import {ApiError} from 'app/common/ApiError'; import {mapGetOrSet, mapSetOrClear, MapWithTTL} from 'app/common/AsyncCreate'; import {normalizeEmail} from 'app/common/emails'; import {canAddOrgMembers, Features} from 'app/common/Features'; import {buildUrlId, MIN_URLID_PREFIX_LENGTH, parseUrlId} from 'app/common/gristUrls'; import {FullUser, UserProfile} from 'app/common/LoginSessionAPI'; import {checkSubdomainValidity} from 'app/common/orgNameUtils'; import * as roles from 'app/common/roles'; // TODO: API should implement UserAPI import {ANONYMOUS_USER_EMAIL, DocumentProperties, EVERYONE_EMAIL, ManagerDelta, NEW_DOCUMENT_CODE, Organization as OrgInfo, OrganizationProperties, PermissionData, PermissionDelta, SUPPORT_EMAIL, UserAccessData, WorkspaceProperties} from "app/common/UserAPI"; import {AclRule, AclRuleDoc, AclRuleOrg, AclRuleWs} from "app/gen-server/entity/AclRule"; import {Alias} from "app/gen-server/entity/Alias"; import {BillingAccount} from "app/gen-server/entity/BillingAccount"; import {BillingAccountManager} from "app/gen-server/entity/BillingAccountManager"; import {Document} from "app/gen-server/entity/Document"; import {Group} from "app/gen-server/entity/Group"; import {Login} from "app/gen-server/entity/Login"; import {AccessOption, AccessOptionWithRole, Organization} from "app/gen-server/entity/Organization"; import {Pref} from "app/gen-server/entity/Pref"; import {getDefaultProductNames, Product, starterFeatures} from "app/gen-server/entity/Product"; import {User} from "app/gen-server/entity/User"; import {Workspace} from "app/gen-server/entity/Workspace"; import {Permissions} from 'app/gen-server/lib/Permissions'; import {scrubUserFromOrg} from "app/gen-server/lib/scrubUserFromOrg"; import {applyPatch} from 'app/gen-server/lib/TypeORMPatches'; import {bitOr, getRawAndEntities, now, readJson} from 'app/gen-server/sqlUtils'; import {makeId} from 'app/server/lib/idUtils'; import * as log from 'app/server/lib/log'; import {Permit} from 'app/server/lib/Permit'; import {EventEmitter} from 'events'; import flatten = require('lodash/flatten'); import pick = require('lodash/pick'); import {Brackets, Connection, createConnection, DatabaseType, EntityManager, getConnection, SelectQueryBuilder, WhereExpression} from "typeorm"; // Support transactions in Sqlite in async code. This is a monkey patch, affecting // the prototypes of various TypeORM classes. // TODO: remove this patch if the issue is ever accepted as a problem in TypeORM and // fixed. See https://github.com/typeorm/typeorm/issues/1884#issuecomment-380767213 applyPatch(); // Nominal email address of a user who can view anything (for thumbnails). export const PREVIEWER_EMAIL = 'thumbnail@getgrist.com'; // A list of emails we don't expect to see logins for. const NON_LOGIN_EMAILS = [PREVIEWER_EMAIL, EVERYONE_EMAIL, ANONYMOUS_USER_EMAIL]; // Name of a special workspace with examples in it. export const EXAMPLE_WORKSPACE_NAME = 'Examples & Templates'; // A TTL in milliseconds for caching the result of looking up access level for a doc, // which is a burden under heavy traffic. const DOC_AUTH_CACHE_TTL = 5000; type Resource = Organization|Workspace|Document; export interface QueryResult { status: number; data?: T; errMessage?: string; } // Maps from userId to group name, or null to inherit. export interface UserIdDelta { [userId: string]: roles.NonGuestRole|null; } // Options for certain create query helpers private to this file. interface QueryOptions { manager?: EntityManager; markPermissions?: Permissions; needRealOrg?: boolean; // Set if pseudo-org should be collapsed to user's personal org allowSpecialPermit?: boolean; // Set if specialPermit in Scope object should be respected, // potentially overriding markPermissions. } interface GroupDescriptor { readonly name: roles.Role; readonly permissions: number; readonly nestParent: boolean; readonly orgOnly?: boolean; } // Information about a change in billable users. export interface UserChange { userId: number; // who initiated the change org: Organization; // organization changed customerId: string|null; // stripe customer id countBefore: number; // billable users before change countAfter: number; // billable users after change membersBefore: Map; membersAfter: Map; } // A specification of the users available during a request. This can be a single // user, identified by a user id, or a collection of profiles (typically drawn from // the session). type AvailableUsers = number | UserProfile[]; // A type guard to check for single-user case. function isSingleUser(users: AvailableUsers): users is number { return typeof users === 'number'; } // The context in which a query is being made. Includes what we know // about the user, and for requests made from pages, the active organization. export interface Scope { userId: number; // The ID of the user for authentication purposes. org?: string; // Org identified in request. urlId?: string; // Set when accessing a document. May be a docId. users?: AvailableUsers; // Set if available identities. includeSupport?: boolean; // When set, include sample resources shared by support to scope. showRemoved?: boolean; // When set, query is scoped to removed workspaces/docs. showAll?: boolean; // When set, return both removed and regular resources. specialPermit?: Permit; // When set, extra rights are granted on a specific resource. } // A Scope for documents, with mandatory urlId. export interface DocScope extends Scope { urlId: string; } type NonGuestGroup = Group & { name: roles.NonGuestRole }; // Returns whether the given group is a valid non-guest group. function isNonGuestGroup(group: Group): group is NonGuestGroup { return roles.isNonGuestRole(group.name); } export interface UserProfileChange { name?: string; isFirstTimeUser?: boolean; } // Identifies a request to access a document. This combination of values is also used for caching // DocAuthResult for DOC_AUTH_CACHE_TTL. Other request scope information is passed along. export interface DocAuthKey { urlId: string; // May be docId. Must be unambiguous in the context of the org. userId: number; // The user accessing this doc. (Could be the ID of Anonymous.) org?: string; // Undefined if unknown (e.g. in API calls, but needs unique urlId). } // Document auth info. This is the minimum needed to resolve user access checks. For anything else // (e.g. doc title), the uncached getDoc() call should be used. export interface DocAuthResult { docId: string|null; // The unique identifier of the document. Null on error. access: roles.Role|null; // The access level for the requesting user. Null on error. removed: boolean|null; // Set if the doc is soft-deleted. Users may still have access // to removed documents for some purposes. Null on error. error?: ApiError; } // Represent a DocAuthKey as a string. The format is ": ". // flushSingleDocAuthCache() depends on this format. function stringifyDocAuthKey(key: DocAuthKey): string { return stringifyUrlIdOrg(key.urlId, key.org) + ` ${key.userId}`; } function stringifyUrlIdOrg(urlId: string, org?: string): string { return `${urlId}:${org}`; } /** * HomeDBManager handles interaction between the ApiServer and the Home database, * encapsulating the typeorm logic. */ export class HomeDBManager extends EventEmitter { private _connection: Connection; private _dbType: DatabaseType; private _specialUserIds: {[name: string]: number} = {}; // id for anonymous user, previewer, etc private _exampleWorkspaceId: number; private _exampleOrgId: number; private _idPrefix: string = ""; // Place this before ids in subdomains, used in routing to // deployments on same subdomain. private _docAuthCache = new MapWithTTL>(DOC_AUTH_CACHE_TTL); /** * Five aclRules, each with one group (with the names 'owners', 'editors', 'viewers', * 'guests', and 'members') are created by default on every new entity (Organization, * Workspace, Document). These special groups are documented in the _defaultGroups * constant below. * * When a child resource is created under a parent (i.e. when a new Workspace is created * under an Organization), special groups with a truthy 'nestParent' property are set up * to include in their memberGroups a single group on initialization - the parent's * corresponding special group. Special groups with a falsy 'nextParent' property are * empty on intialization. * * NOTE: The groups are ordered from most to least permissive, and should remain that way. * TODO: app/common/roles already contains an ordering of the default roles. Usage should * be consolidated. */ private readonly _defaultGroups: GroupDescriptor[] = [{ name: roles.OWNER, permissions: Permissions.OWNER, nestParent: true }, { name: roles.EDITOR, permissions: Permissions.EDITOR, nestParent: true }, { name: roles.VIEWER, permissions: Permissions.VIEW, nestParent: true }, { name: roles.GUEST, permissions: Permissions.VIEW, nestParent: false }, { name: roles.MEMBER, permissions: Permissions.VIEW, nestParent: false, orgOnly: true }]; // All groups. public get defaultGroups(): GroupDescriptor[] { return this._defaultGroups; } // Groups whose permissions are inherited from parent resource to child resources. public get defaultBasicGroups(): GroupDescriptor[] { return this._defaultGroups .filter(_grpDesc => _grpDesc.nestParent); } // Groups that are common to all resources. public get defaultCommonGroups(): GroupDescriptor[] { return this._defaultGroups .filter(_grpDesc => !_grpDesc.orgOnly); } public get defaultGroupNames(): roles.Role[] { return this._defaultGroups.map(_grpDesc => _grpDesc.name); } public get defaultBasicGroupNames(): roles.BasicRole[] { return this.defaultBasicGroups .map(_grpDesc => _grpDesc.name) as roles.BasicRole[]; } public get defaultNonGuestGroupNames(): roles.NonGuestRole[] { return this._defaultGroups .filter(_grpDesc => _grpDesc.name !== roles.GUEST) .map(_grpDesc => _grpDesc.name) as roles.NonGuestRole[]; } public get defaultCommonGroupNames(): roles.NonMemberRole[] { return this.defaultCommonGroups .map(_grpDesc => _grpDesc.name) as roles.NonMemberRole[]; } public setPrefix(prefix: string) { this._idPrefix = prefix; } public async connect(): Promise { try { // If multiple servers are started within the same process, we // share the database connection. This saves locking trouble // with Sqlite. this._connection = getConnection(); } catch (e) { this._connection = await createConnection(); } this._dbType = this._connection.driver.options.type; } // make sure special users and workspaces are available public async initializeSpecialIds(): Promise { await this._getSpecialUserId({ email: ANONYMOUS_USER_EMAIL, name: "Anonymous" }); await this._getSpecialUserId({ email: PREVIEWER_EMAIL, name: "Preview" }); await this._getSpecialUserId({ email: EVERYONE_EMAIL, name: "Everyone" }); await this._getSpecialUserId({ email: SUPPORT_EMAIL, name: "Support" }); // Find the example workspace. If there isn't one named just right, take the first workspace // belonging to the support user. This shouldn't happen in deployments but could happen // in tests. const supportWorkspaces = await this._workspaces() .leftJoinAndSelect('workspaces.org', 'orgs') .where('orgs.owner_id = :userId', { userId: this.getSupportUserId() }) .orderBy('workspaces.created_at') .getMany(); const exampleWorkspace = supportWorkspaces.find(ws => ws.name === EXAMPLE_WORKSPACE_NAME) || supportWorkspaces[0]; if (!exampleWorkspace) { throw new Error('No example workspace available'); } if (exampleWorkspace.name !== EXAMPLE_WORKSPACE_NAME) { log.warn('did not find an appropriately named example workspace in deployment'); } this._exampleWorkspaceId = exampleWorkspace.id; this._exampleOrgId = exampleWorkspace.org.id; } public get connection() { return this._connection; } public async testQuery(sql: string, args: any[]): Promise { return this._connection.query(sql, args); } /** * Maps from the name of an entity to its id, for the purposes of * unit tests only. It relies on test entities being named * distinctly. It just runs through each model in turn by brute * force, and returns the id of this first match it finds. */ public async testGetId(name: string): Promise { const org = await Organization.findOne({name}); if (org) { return org.id; } const ws = await Workspace.findOne({name}); if (ws) { return ws.id; } const doc = await Document.findOne({name}); if (doc) { return doc.id; } const user = await User.findOne({name}); if (user) { return user.id; } const product = await Product.findOne({name}); if (product) { return product.id; } throw new Error(`Cannot testGetId(${name})`); } /** * Clear all user preferences associated with the given email addresses. * For use in tests. */ public async testClearUserPrefs(emails: string[]) { return await this._connection.transaction(async manager => { for (const email of emails) { const user = await this.getUserByLogin(email, undefined, manager); if (user) { await manager.delete(Pref, {userId: user.id}); } } }); } public getUserByKey(apiKey: string): Promise { // Include logins relation for Authorization convenience. return User.findOne({apiKey}, {relations: ["logins"]}); } public getUser(userId: number): Promise { return User.findOne(userId); } public async getFullUser(userId: number): Promise { const user = await User.findOne(userId, {relations: ["logins"]}); if (!user) { throw new ApiError("unable to find user", 400); } return this.makeFullUser(user); } /** * Convert a user record into the format specified in api. */ public makeFullUser(user: User): FullUser { if (!(user.logins && user.logins[0].displayEmail)) { throw new ApiError("unable to find mandatory user email", 400); } return { id: user.id, email: user.logins[0].displayEmail, name: user.name, picture: user.picture, anonymous: this.getAnonymousUserId() === user.id }; } public async updateUser(userId: number, props: UserProfileChange): Promise { let isWelcomed: boolean = false; let user: User|undefined; await this._connection.transaction(async manager => { user = await manager.findOne(User, {relations: ['logins'], where: {id: userId}}); let needsSave = false; if (!user) { throw new ApiError("unable to find user", 400); } if (props.name && props.name !== user.name) { user.name = props.name; needsSave = true; } if (props.isFirstTimeUser !== undefined && props.isFirstTimeUser !== user.isFirstTimeUser) { user.isFirstTimeUser = props.isFirstTimeUser; needsSave = true; // If we are turning off the isFirstTimeUser flag, then right // after this transaction commits is a great time to trigger // any automation for first logins - the user has logged in // and gone through the welcome process (so they've had a // chance to set a name) if (!props.isFirstTimeUser) { isWelcomed = true; } } if (needsSave) { await user.save(); } }); if (user && isWelcomed) { this.emit('firstLogin', this.makeFullUser(user)); } } public async updateUserName(userId: number, name: string) { const user = await User.findOne(userId); if (!user) { throw new ApiError("unable to find user", 400); } user.name = name; await user.save(); } // Fetch user from login, creating the user if previously unseen, allowing one retry // for an email key conflict failure. This is in case our transaction conflicts with a peer // doing the same thing. This is quite likely if the first page visited by a previously // unseen user fires off multiple api calls. public async getUserByLoginWithRetry(email: string, profile: UserProfile): Promise { try { return await this.getUserByLogin(email, profile); } catch (e) { if (e.name === 'QueryFailedError' && e.detail && e.detail.match(/Key \(email\)=[^ ]+ already exists/)) { // This is a postgres-specific error message. This problem cannot arise in sqlite, // because we have to serialize sqlite transactions in any case to get around a typeorm // limitation. return await this.getUserByLogin(email, profile); } throw e; } } /** * * Fetches a user record based on an email address. If a user record already * exists linked to the email address supplied, that is the record returned. * Otherwise a fresh record is created, linked to the supplied email address. * The name supplied is used to create this fresh record - otherwise it is * ignored. * */ public async getUserByLogin( email: string, profile?: UserProfile, transaction?: EntityManager ): Promise { const normalizedEmail = normalizeEmail(email); const userByLogin = await this._runInTransaction(transaction, async manager => { let needUpdate = false; const userQuery = manager.createQueryBuilder() .select('user') .from(User, 'user') .leftJoinAndSelect('user.logins', 'logins') .leftJoinAndSelect('user.personalOrg', 'personalOrg') .where('email = :email', {email: normalizedEmail}); let user = await userQuery.getOne(); let login: Login; if (!user) { user = new User(); // Special users do not have first time user set so that they don't get redirected to the // welcome page. user.isFirstTimeUser = !NON_LOGIN_EMAILS.includes(normalizedEmail); login = new Login(); login.email = normalizedEmail; login.user = user; needUpdate = true; } else { login = user.logins[0]; } // Check that user and login records are up to date. if (!user.name) { // Set the user's name if our provider knows it. Otherwise use their username // from email, for lack of something better. If we don't have a profile at this // time, then leave the name blank in the hopes of learning it when the user logs in. user.name = (profile && (profile.name || email.split('@')[0])) || ''; needUpdate = true; } if (profile && !user.firstLoginAt) { // set first login time to now (remove milliseconds for compatibility with other // timestamps in db set by typeorm, and since second level precision is fine) const nowish = new Date(); nowish.setMilliseconds(0); user.firstLoginAt = nowish; needUpdate = true; } if (!user.picture && profile && profile.picture) { // Set the user's profile picture if our provider knows it. user.picture = profile.picture; needUpdate = true; } if (profile && profile.email && profile.email !== login.displayEmail) { // Use provider's version of email address for display. login.displayEmail = profile.email; needUpdate = true; } if (!login.displayEmail) { // Save some kind of display email if we don't have anything at all for it yet. // This could be coming from how someone wrote it in a UserManager dialog, for // instance. It will get overwritten when the user logs in if the provider's // version is different. login.displayEmail = email; needUpdate = true; } if (needUpdate) { login.user = user; await manager.save([user, login]); } if (!user.personalOrg && !NON_LOGIN_EMAILS.includes(login.email)) { // Add a personal organization for this user. // We don't add a personal org for anonymous/everyone/previewer "users" as it could // get a bit confusing. const result = await this.addOrg(user, {name: "Personal"}, true, true, manager); if (result.status !== 200) { throw new Error(result.errMessage); } needUpdate = true; } if (needUpdate) { // We changed the db - reload user in order to give consistent results. // In principle this could be optimized, but this is simpler to maintain. user = await userQuery.getOne(); } return user; }); return userByLogin; } /** * Returns true if the given domain string is available, and false if it is not available. * NOTE that the endpoint only checks if the domain string is taken in the database, it does * not check whether the string contains invalid characters. */ public async isDomainAvailable(domain: string): Promise { let qb = this._orgs(); qb = this._whereOrg(qb, domain); const results = await qb.getRawAndEntities(); return results.entities.length === 0; } /** * Returns the number of users in any non-guest role in the given org. * Note that this does not require permissions and should not be exposed to the client. * * If an Organization is provided, all of orgs.acl_rules, orgs.acl_rules.group, * and orgs.acl_rules.group.memberUsers should be included. */ public async getOrgMemberCount(org: string|number|Organization): Promise { if (!(org instanceof Organization)) { const orgQuery = this._org(null, false, org, { needRealOrg: true }) // Join the org's ACL rules (with 1st level groups/users listed). .leftJoinAndSelect('orgs.aclRules', 'acl_rules') .leftJoinAndSelect('acl_rules.group', 'org_groups') .leftJoinAndSelect('org_groups.memberUsers', 'org_member_users'); const result = await orgQuery.getRawAndEntities(); if (result.entities.length === 0) { // If the query for the doc failed, return the failure result. throw new ApiError('org not found', 404); } org = result.entities[0]; } return getResourceUsers(org, this.defaultNonGuestGroupNames).length; } /** * Deletes a user from the database. For the moment, the only person with the right * to delete a user is the user themselves. * Users have logins, a personal org, and entries in the group_users table. All are * removed together in a transaction. All material in the personal org will be lost. * * @param scope: request scope, including the id of the user initiating this action * @param userIdToDelete: the id of the user to delete from the database * @param name: optional cross-check, delete only if user name matches this */ public async deleteUser(scope: Scope, userIdToDelete: number, name?: string): Promise> { const userIdDeleting = scope.userId; if (userIdDeleting !== userIdToDelete) { throw new ApiError('not permitted to delete this user', 403); } await this._connection.transaction(async manager => { const user = await manager.findOne(User, {where: {id: userIdToDelete}, relations: ["logins", "personalOrg"]}); if (!user) { throw new ApiError('user not found', 404); } if (name) { if (user.name !== name) { throw new ApiError(`user name did not match ('${name}' vs '${user.name}')`, 400); } } if (user.personalOrg) { await this.deleteOrg(scope, user.personalOrg.id, manager); } await manager.remove([...user.logins]); // We don't have a GroupUser entity, and adding one tickles lots of TypeOrm quirkiness, // so use a plain query to delete entries in the group_users table. await manager.createQueryBuilder() .delete() .from('group_users') .where('user_id = :userId', {userId: userIdToDelete}) .execute(); await manager.delete(User, userIdToDelete); }); return { status: 200 }; } /** * Returns a QueryResult for the given organization. The orgKey * can be a string (the domain from url) or the id of an org. If it is * null, the user's personal organization is returned. */ public async getOrg(scope: Scope, orgKey: string|number|null, transaction?: EntityManager): Promise> { const {userId} = scope; // Anonymous access to the merged org is a special case. We return an // empty organization, not backed by the database, and which can contain // nothing but the example documents always added to the merged org. if (this.isMergedOrg(orgKey) && userId === this.getAnonymousUserId()) { const anonOrg: OrgInfo = { id: 0, createdAt: new Date().toISOString(), updatedAt: new Date().toISOString(), domain: this.mergedOrgDomain(), name: 'Anonymous', owner: this.makeFullUser(this.getAnonymousUser()), access: 'viewers', billingAccount: { id: 0, individual: true, product: { name: 'anonymous', features: starterFeatures, }, isManager: false, }, host: null }; return { status: 200, data: anonOrg as any }; } let qb = this.org(scope, orgKey, { manager: transaction, needRealOrg: true }); qb = this._addBillingAccount(qb, scope.userId); let effectiveUserId = scope.userId; if (scope.specialPermit && scope.specialPermit.org === orgKey) { effectiveUserId = this.getPreviewerUserId(); } qb = this._withAccess(qb, effectiveUserId, 'orgs'); qb = qb.leftJoinAndSelect('orgs.owner', 'owner'); // Add preference information that will be relevant for presentation of the org. // That includes preference information specific to the site and the user, // or specific just to the site, or specific just to the user. qb = qb.leftJoinAndMapMany('orgs.prefs', Pref, 'prefs', '(prefs.org_id = orgs.id or prefs.org_id IS NULL) AND ' + '(prefs.user_id = :userId or prefs.user_id IS NULL)', {userId}); // Apply a particular order (user+org first if present, then org, then user). // Slightly round-about syntax because Sqlite and Postgres disagree about NULL // ordering (Sqlite does support NULL LAST syntax now, but not on our fork yet). qb = qb.addOrderBy('coalesce(prefs.org_id, 0)', 'DESC'); qb = qb.addOrderBy('coalesce(prefs.user_id, 0)', 'DESC'); const result = await this._verifyAclPermissions(qb); if (result.status === 200) { // Return the only org. result.data = result.data[0]; if (this.isMergedOrg(orgKey)) { // The merged psuedo-organization is almost, but not quite, the user's personal // org. We give it a distinct domain and id. result.data.id = 0; result.data.domain = this.mergedOrgDomain(); } } return result; } /** * Gets the billing account for the specified org. Will throw errors if the org * is not found, or if the user does not have access to its billing account. * * The special previewer user is given access to billing account information. * * The billing account includes fields such as stripeCustomerId. * To include `managers` and `orgs` fields listing all billing account managers * and organizations linked to the account, set `includeOrgsAndManagers`. */ public async getBillingAccount(scope: Scope, orgKey: string|number, includeOrgsAndManagers: boolean, transaction?: EntityManager): Promise { const org = this.unwrapQueryResult(await this.getOrg(scope, orgKey, transaction)); if (!org.billingAccount.isManager && scope.userId !== this.getPreviewerUserId() && // The special permit (used for the support user) allows access to the billing account. scope.specialPermit?.org !== orgKey) { throw new ApiError('User does not have access to billing account', 401); } if (!includeOrgsAndManagers) { return org.billingAccount; } // For full billing account information including all managers // (for team accounts) and orgs (for individual accounts), we need // to make a different query since what we've got so far is // filtered by org and by user for authorization purposes. // Also, filling out user information linked to orgs and managers // requires a few extra joins. return this.getFullBillingAccount(org.billingAccount.id, transaction); } /** * Gets all information about a billing account, without permission check. */ public getFullBillingAccount(billingAccountId: number, transaction?: EntityManager): Promise { return this._runInTransaction(transaction, async tr => { let qb = tr.createQueryBuilder() .select('billing_accounts') .from(BillingAccount, 'billing_accounts') .leftJoinAndSelect('billing_accounts.product', 'products') .leftJoinAndSelect('billing_accounts.managers', 'managers') .leftJoinAndSelect('managers.user', 'manager_users') .leftJoinAndSelect('manager_users.logins', 'manager_logins') .leftJoinAndSelect('billing_accounts.orgs', 'orgs') .leftJoinAndSelect('orgs.owner', 'org_users') .leftJoinAndSelect('org_users.logins', 'org_logins') .where('billing_accounts.id = :billingAccountId', {billingAccountId}); qb = this._addBillingAccountCalculatedFields(qb); // TODO: should reconcile with isManager field that stripped down results have. const results = await qb.getRawAndEntities(); const resources = this._normalizeQueryResults(results.entities); if (!resources[0]) { throw new ApiError('Cannot find billing account', 500); } return resources[0]; }); } /** * Returns a QueryResult for an organization with nested workspaces. */ public async getOrgWorkspaces(scope: Scope, orgKey: string|number, options: QueryOptions = {}): Promise> { const {userId} = scope; const supportId = this._specialUserIds[SUPPORT_EMAIL]; let queryBuilder = this.org(scope, orgKey, options) .leftJoinAndSelect('orgs.workspaces', 'workspaces') .leftJoinAndSelect('workspaces.docs', 'docs', this._onDoc(scope)) .leftJoin('orgs.billingAccount', 'account') .leftJoin('account.product', 'product') .addSelect('product.features') .addSelect('product.id') .addSelect('account.id') // order the support org (aka Samples/Examples) after other ones. .orderBy('coalesce(orgs.owner_id = :supportId, false)') .setParameter('supportId', supportId) .addOrderBy('(orgs.owner_id = :userId)', 'DESC') .setParameter('userId', userId) // For consistency of results, particularly in tests, order workspaces by name. .addOrderBy('workspaces.name') .addOrderBy('docs.created_at') .leftJoinAndSelect('orgs.owner', 'org_users'); // If merged org, we need to take some special steps. if (this.isMergedOrg(orgKey)) { // Add information about owners of personal orgs. queryBuilder = queryBuilder .leftJoinAndSelect('org_users.logins', 'org_logins'); // Add a direct, efficient filter to remove irrelevant personal orgs from consideration. queryBuilder = this._filterByOrgGroups(queryBuilder, userId); // The anonymous user is a special case; include only examples from support user. if (userId === this.getAnonymousUserId()) { queryBuilder = queryBuilder.andWhere('orgs.owner_id = :supportId', { supportId }); } } queryBuilder = this._addIsSupportWorkspace(userId, queryBuilder, 'orgs', 'workspaces'); // Add access information and query limits // TODO: allow generic org limit once sample/support workspace is done differently queryBuilder = this._applyLimit(queryBuilder, {...scope, org: undefined}, ['orgs', 'workspaces', 'docs']); const result = await this._verifyAclPermissions(queryBuilder, { scope }); // Return the workspaces, not the org(s). if (result.status === 200) { // Place ownership information in workspaces, available for the merged org. for (const o of result.data) { for (const ws of o.workspaces) { ws.owner = o.owner; } } // For org-specific requests, we still have the org's workspaces, plus the Samples workspace // from the support org. result.data = [].concat(...result.data.map((o: Organization) => o.workspaces)); } return result; } /** * Returns a QueryResult for the workspace with the given workspace id. The workspace * includes nested Docs. */ public async getWorkspace(scope: Scope, wsId: number): Promise> { const {userId} = scope; let queryBuilder = this._workspaces() .where('workspaces.id = :wsId', {wsId}) // Nest the docs within the workspace object .leftJoinAndSelect('workspaces.docs', 'docs', this._onDoc(scope)) .leftJoinAndSelect('workspaces.org', 'orgs') .leftJoinAndSelect('orgs.owner', 'owner') // Define some order (spec doesn't promise anything though) .orderBy('workspaces.created_at') .addOrderBy('docs.created_at'); queryBuilder = this._addIsSupportWorkspace(userId, queryBuilder, 'orgs', 'workspaces'); // Add access information and query limits // TODO: allow generic org limit once sample/support workspace is done differently queryBuilder = this._applyLimit(queryBuilder, {...scope, org: undefined}, ['workspaces', 'docs']); const result = await this._verifyAclPermissions(queryBuilder, { scope }); // Return a single workspace. if (result.status === 200) { result.data = result.data[0]; } return result; } /** * Compute the best access option for an organization, from the * users available to the client. If none of the options can access * the organization, returns null. If there are equally good * options, an arbitrary one is returned. * * Comparison is made between roles rather than fine-grained * permissions, since otherwise the result would not be well defined * (permissions could in general overlap without one being a * superset of the other). For the acl rules we've used so far, * this problem does not arise and reasoning at the level of a * hierarchy of roles is adequate. */ public async getBestUserForOrg(users: AvailableUsers, org: number|string): Promise { if (this.isMergedOrg(org)) { // Don't try to pick a best user for the merged personal org. // If this changes in future, be sure to call this._filterByOrgGroups on the query // below, otherwise it will include every users' personal org which is wasteful // and parsing/mapping the results in TypeORM is slow. return null; } let qb = this._orgs(); qb = this._whereOrg(qb, org); qb = this._withAccess(qb, users, 'orgs'); const result = await this._verifyAclPermissions(qb, {emptyAllowed: true}); if (!result.data) { throw new ApiError(result.errMessage || 'failed to select user', result.status); } if (!result.data.length) { return null; } const options: AccessOptionWithRole[] = result.data[0].accessOptions; if (!options.length) { return null; } const role = roles.getStrongestRole(...options.map(option => option.access)); return options.find(option => option.access === role) || null; } /** * Returns a SelectQueryBuilder which gives an array of orgs already filtered by * the given user' (or users') access. * If a domain is specified, only an org matching that domain and accessible by * the user or users is returned. * The anonymous user is treated specially, to avoid advertising organizations * with anonymous access. */ public async getOrgs(users: AvailableUsers, domain: string|null): Promise> { let queryBuilder = this._orgs() .leftJoinAndSelect('orgs.owner', 'users', 'orgs.owner_id = users.id'); if (isSingleUser(users)) { // When querying with a single user in mind, we keep our api promise // of returning their personal org first in the list. queryBuilder = queryBuilder .orderBy('(coalesce(users.id,0) = :userId)', 'DESC') .setParameter('userId', users); } queryBuilder = queryBuilder .addOrderBy('users.name') .addOrderBy('orgs.name'); queryBuilder = this._withAccess(queryBuilder, users, 'orgs'); // Add a direct, efficient filter to remove irrelevant personal orgs from consideration. queryBuilder = this._filterByOrgGroups(queryBuilder, users, domain); if (this._isAnonymousUser(users)) { // The anonymous user is a special case. It may have access to potentially // many orgs, but listing them all would be kind of a misfeature. but reporting // nothing would complicate the client. We compromise, and report at most // the org of the site the user is on (or nothing when the api is accessed // via a url that is unrelated to any particular org). // This special processing is only needed for the isSingleUser case. Multiple // users can only be presented when the user has proven login access to each. if (domain && !this.isMergedOrg(domain)) { queryBuilder = this._whereOrg(queryBuilder, domain); } else { return {status: 200, data: []}; } } return this._verifyAclPermissions(queryBuilder, {emptyAllowed: true}); } // As for getOrgs, but all personal orgs are merged into a single entry. public async getMergedOrgs(userId: number, users: AvailableUsers, domain: string|null): Promise> { const result = await this.getOrgs(users, domain); if (result.status === 200) { return {status: 200, data: this._mergePersonalOrgs(userId, result.data!)}; } return result; } // Returns the doc with access information for the calling user only. // TODO: The return type of this function includes the workspace and org with the owner // properties set, as documented in app/common/UserAPI. The return type of this function // should reflect that. public async getDocImpl(key: DocAuthKey): Promise { const {userId} = key; // Doc permissions of forks are based on the "trunk" document, so make sure // we look up permissions of trunk if we are on a fork (we'll fix the permissions // up for the fork immediately afterwards). const {trunkId, forkId, forkUserId, snapshotId} = parseUrlId(key.urlId); const urlId = trunkId; if (forkId || snapshotId) { key = {...key, urlId}; } let doc: Document; if (urlId === NEW_DOCUMENT_CODE) { if (!forkId) { throw new ApiError('invalid document identifier', 400); } // We imagine current user owning trunk if there is no embedded userId, or // the embedded userId matches the current user. const access = (forkUserId === undefined || forkUserId === userId) ? 'owners' : null; if (!access) { throw new ApiError("access denied", 403); } doc = { name: 'Untitled', createdAt: new Date().toISOString(), updatedAt: new Date().toISOString(), id: 'new', isPinned: false, urlId: null, workspace: this.unwrapQueryResult( await this.getWorkspace({userId: this.getSupportUserId()}, this._exampleWorkspaceId)), aliases: [], access } as any; } else { // We can't delegate filtering of removed documents to the db, since we'll be // caching authentication. But we also don't need to delegate filtering, since // it is very simple at the single-document level. So we direct the db to include // everything with showAll flag, and let the getDoc() wrapper deal with the remaining // work. let qb = this._doc({...key, showAll: true}) .leftJoinAndSelect('orgs.owner', 'org_users'); qb = this._addIsSupportWorkspace(userId, qb, 'orgs', 'workspaces'); qb = this._addFeatures(qb); // add features to determine whether we've gone readonly const docs = this.unwrapQueryResult(await this._verifyAclPermissions(qb)); if (docs.length === 0) { throw new ApiError('document not found', 404); } if (docs.length > 1) { throw new ApiError('ambiguous document request', 400); } doc = docs[0]; const features = doc.workspace.org.billingAccount.product.features; if (features.readOnlyDocs) { // Don't allow any access to docs that is stronger than "viewers". doc.access = roles.getWeakestRole('viewers', doc.access); } // Place ownership information in the doc's workspace. (doc.workspace as any).owner = doc.workspace.org.owner; } if (forkId || snapshotId) { // Fix up our reply to be correct for the fork, rather than the trunk. // The "id" and "urlId" fields need updating. doc.id = buildUrlId({trunkId: doc.id, forkId, forkUserId, snapshotId}); if (doc.urlId) { doc.urlId = buildUrlId({trunkId: doc.urlId, forkId, forkUserId, snapshotId}); } // Set trunkAccess field. doc.trunkAccess = doc.access; // Forks without a user id are editable by anyone with view access to the trunk. if (forkUserId === undefined && doc.access === 'viewers') { doc.access = 'editors'; } if (forkUserId !== undefined) { // A fork user id is known, so only that user should get to edit the fork. if (userId === forkUserId) { // Promote to editor if just a viewer of the trunk. if (doc.access === 'viewers') { doc.access = 'editors'; } } else { // reduce to viewer if not already viewer doc.access = roles.getWeakestRole('viewers', doc.access); } } // No-one may be an owner of a fork, since there's no way to set up ACLs for it. if (doc.access === 'owners') { doc.access = 'editors'; } // Finally, if we are viewing a snapshot, we can't edit it. if (snapshotId) { doc.access = roles.getWeakestRole('viewers', doc.access); } } return doc; } // Calls getDocImpl() and returns the Document from that, caching a fresh DocAuthResult along // the way. Note that we only cache the access level, not Document itself. public async getDoc(scope: Scope): Promise { const key = getDocAuthKeyFromScope(scope); const promise = this.getDocImpl(key); await mapSetOrClear(this._docAuthCache, stringifyDocAuthKey(key), makeDocAuthResult(promise)); const doc = await promise; // Filter the result for removed / non-removed documents. if (!scope.showAll && scope.showRemoved ? (doc.removedAt === null && doc.workspace.removedAt === null) : (doc.removedAt || doc.workspace.removedAt)) { throw new ApiError('document not found', 404); } return doc; } // Returns access info for the given doc and user, caching the results for DOC_AUTH_CACHE_TTL // ms. This helps reduce database load created by liberal authorization requests. public async getDocAuthCached(key: DocAuthKey): Promise { return mapGetOrSet(this._docAuthCache, stringifyDocAuthKey(key), () => makeDocAuthResult(this.getDocImpl(key))); } // Used in tests, and to clear all timeouts when exiting. public flushDocAuthCache() { this._docAuthCache.clear(); } // Flush cached access information about a specific document // (identified specifically by a docId, not a urlId). Any cached // information under an alias will also be flushed. // TODO: make a more efficient implementation if needed. public async flushSingleDocAuthCache(scope: DocScope, docId: string) { // Get all aliases of this document. const aliases = await this._connection.manager.find(Alias, { docId }); // Construct a set of possible prefixes for cache keys. const names = new Set(aliases.map(a => stringifyUrlIdOrg(a.urlId, scope.org))); names.add(stringifyUrlIdOrg(docId, scope.org)); // Remove any cache keys that start with any of the prefixes. for (const key of this._docAuthCache.keys()) { const name = key.split(' ', 1)[0]; if (names.has(name)) { this._docAuthCache.delete(key); } } } // Find a document by name. Limit name search to a specific organization. // It is possible to hit ambiguities, e.g. with the same name of a doc // in multiple workspaces, so this is not a general-purpose method. It // is here to facilitate V0 -> V1 migration, so existing links to docs continue // to work. public async getDocByName(userId: number, orgId: number, docName: string): Promise> { let qb = this._docs() .innerJoin('docs.workspace', 'workspace') .innerJoin('workspace.org', 'org') .where('docs.name = :docName', {docName}) .andWhere('org.id = :orgId', {orgId}); qb = this._withAccess(qb, userId, 'docs'); return this._single(await this._verifyAclPermissions(qb)); } /** * * Adds an org with the given name. Returns a query result with the id of the added org. * * @param user: user doing the adding * @param name: desired org name * @param domain: desired org domain, or null not to set a domain * @param setUserAsOwner: if this is the user's personal org (they will be made an * owner in the ACL sense in any case) * @param useNewPlan: by default, the individual billing account associated with the * user's personal org will be used for all other orgs they create. Set useNewPlan * to force a distinct non-individual billing account to be used for this org. * */ public async addOrg(user: User, props: Partial, setUserAsOwner: boolean, useNewPlan: boolean, transaction?: EntityManager): Promise> { const notifications: Array<() => void> = []; const name = props.name; const domain = props.domain; if (!name) { return { status: 400, errMessage: 'Bad request: name required' }; } const orgResult = await this._runInTransaction(transaction, async manager => { if (domain) { try { checkSubdomainValidity(domain); } catch (e) { return { status: 400, errMessage: `Domain is not permitted: ${e.message}` }; } } // Create or find a billing account to associate with this org. const billingAccountEntities = []; let billingAccount; if (useNewPlan) { const productNames = getDefaultProductNames(); let productName = setUserAsOwner ? productNames.personal : productNames.teamInitial; // A bit fragile: this is called during creation of support@ user, before // getSupportUserId() is available, but with setUserAsOwner of true. if (!setUserAsOwner && user.id === this.getSupportUserId()) { // For teams created by support@getgrist.com, set the product to something // good so payment not needed. This is useful for testing. productName = productNames.team; } billingAccount = new BillingAccount(); billingAccount.individual = setUserAsOwner; const dbProduct = await manager.findOne(Product, {name: productName}); if (!dbProduct) { throw new Error('Cannot find product for new organization'); } billingAccount.product = dbProduct; billingAccountEntities.push(billingAccount); const billingAccountManager = new BillingAccountManager(); billingAccountManager.user = user; billingAccountManager.billingAccount = billingAccount; billingAccountEntities.push(billingAccountManager); } else { // Use the billing account from the user's personal org to start with. billingAccount = await manager.createQueryBuilder() .select('billing_accounts') .from(BillingAccount, 'billing_accounts') .leftJoinAndSelect('billing_accounts.orgs', 'orgs') .where('orgs.owner_id = :userId', {userId: user.id}) .getOne(); if (!billingAccount) { throw new ApiError('Cannot find an initial plan for organization', 500); } } // Create a new org. const org = new Organization(); org.checkProperties(props); org.updateFromProperties(props); org.billingAccount = billingAccount; if (domain) { org.domain = domain; } if (setUserAsOwner) { org.owner = user; } // Create the special initial permission groups for the new org. const groupMap = this._createGroups(); org.aclRules = this.defaultGroups.map(_grpDesc => { // Get the special group with the name needed for this ACL Rule const group = groupMap[_grpDesc.name]; // Note that the user is added to the owners group of an org when it is created. if (_grpDesc.name === roles.OWNER) { group.memberUsers = [user]; } // Add each of the special groups to the new workspace. const aclRuleOrg = new AclRuleOrg(); aclRuleOrg.permissions = _grpDesc.permissions; aclRuleOrg.group = group; aclRuleOrg.organization = org; return aclRuleOrg; }); // Saves the workspace as well as its new ACL Rules and Group. const groups = org.aclRules.map(rule => rule.group); let savedOrg: Organization; try { const result = await manager.save([org, ...org.aclRules, ...groups, ...billingAccountEntities]); savedOrg = result[0] as Organization; } catch (e) { if (e.name === 'QueryFailedError' && e.message && e.message.match(/unique constraint/i)) { throw new ApiError('Domain already in use', 400); } throw e; } // Add a starter workspace to the org. Any limits on org workspace // count are not checked, this will succeed unconditionally. await this._doAddWorkspace(savedOrg, {name: 'Home'}, manager); if (!setUserAsOwner) { // This user just made a team site (once this transaction is applied). // Emit a notification. notifications.push(this._teamCreatorNotification(user.id)); } return { status: 200, data: savedOrg.id }; }); for (const notification of notifications) { notification(); } return orgResult; } // If setting anything more than prefs: // Checks that the user has UPDATE permissions to the given org. If not, throws an // error. Otherwise updates the given org with the given name. Returns an empty // query result with status 200 on success. // For setting userPrefs or userOrgPrefs: // These are user-specific setting, so are allowed with VIEW access (that includes // guests). Prefs are replaced in their entirety, not merged. // For setting orgPrefs: // These are not user-specific, so require UPDATE permissions. public async updateOrg( scope: Scope, orgKey: string|number, props: Partial ): Promise> { // Check the scope of the modifications. let markPermissions: number = Permissions.VIEW; let modifyOrg: boolean = false; let modifyPrefs: boolean = false; for (const key of Object.keys(props)) { if (key === 'orgPrefs') { // If setting orgPrefs, make sure we have UPDATE rights since this // will affect other users. markPermissions = Permissions.UPDATE; modifyPrefs = true; } else if (key === 'userPrefs' || key === 'userOrgPrefs') { // These keys only affect the current user. modifyPrefs = true; } else { markPermissions = Permissions.UPDATE; modifyOrg = true; } } // TODO: Unsetting a domain will likely have to be supported; also possibly prefs. return await this._connection.transaction(async manager => { const orgQuery = this.org(scope, orgKey, { manager, markPermissions, needRealOrg: true }); const queryResult = await verifyIsPermitted(orgQuery); if (queryResult.status !== 200) { // If the query for the workspace failed, return the failure result. return queryResult; } // Update the fields and save. const org: Organization = queryResult.data; org.checkProperties(props); if (modifyOrg) { if (props.domain) { if (org.owner) { throw new ApiError('Cannot set a domain for a personal organization', 400); } } org.updateFromProperties(props); await manager.save(org); } if (modifyPrefs) { for (const flavor of ['orgPrefs', 'userOrgPrefs', 'userPrefs'] as const) { const prefs = props[flavor]; if (prefs === undefined) { continue; } const orgId = ['orgPrefs', 'userOrgPrefs'].includes(flavor) ? org.id : null; const userId = ['userOrgPrefs', 'userPrefs'].includes(flavor) ? scope.userId : null; await manager.createQueryBuilder() .insert() // if pref flavor has been set before, update it .onConflict('(COALESCE(org_id,0), COALESCE(user_id,0)) DO UPDATE SET prefs = :prefs') // TypeORM muddles JSON handling a bit here .setParameters({prefs: JSON.stringify(prefs)}) .into(Pref) .values({orgId, userId, prefs}) .execute(); } } return {status: 200}; }); } // Checks that the user has REMOVE permissions to the given org. If not, throws an // error. Otherwise deletes the given org. Returns an empty query result with // status 200 on success. public async deleteOrg(scope: Scope, orgKey: string|number, transaction?: EntityManager): Promise> { return await this._runInTransaction(transaction, async manager => { const orgQuery = this.org(scope, orgKey, { manager, markPermissions: Permissions.REMOVE }) // Join the org's workspaces (with ACLs and groups), docs (with ACLs and groups) // and ACLs and groups so we can remove them. .leftJoinAndSelect('orgs.aclRules', 'acl_rules') .leftJoinAndSelect('acl_rules.group', 'groups') .leftJoinAndSelect('orgs.workspaces', 'workspaces') .leftJoinAndSelect('workspaces.aclRules', 'workspace_acl_rules') .leftJoinAndSelect('workspace_acl_rules.group', 'workspace_group') .leftJoinAndSelect('workspaces.docs', 'docs') .leftJoinAndSelect('docs.aclRules', 'doc_acl_rules') .leftJoinAndSelect('doc_acl_rules.group', 'doc_group') .leftJoinAndSelect('orgs.billingAccount', 'billing_accounts'); const queryResult = await verifyIsPermitted(orgQuery); if (queryResult.status !== 200) { // If the query for the org failed, return the failure result. return queryResult; } const org: Organization = queryResult.data; // Delete the org, org ACLs/groups, workspaces, workspace ACLs/groups, workspace docs // and doc ACLs/groups. const orgGroups = org.aclRules.map(orgAcl => orgAcl.group); const wsAcls = ([] as AclRule[]).concat(...org.workspaces.map(ws => ws.aclRules)); const wsGroups = wsAcls.map(wsAcl => wsAcl.group); const docs = ([] as Document[]).concat(...org.workspaces.map(ws => ws.docs)); const docAcls = ([] as AclRule[]).concat(...docs.map(doc => doc.aclRules)); const docGroups = docAcls.map(docAcl => docAcl.group); await manager.remove([org, ...org.aclRules, ...orgGroups, ...org.workspaces, ...wsAcls, ...wsGroups, ...docs, ...docAcls, ...docGroups]); // Delete billing account if this was the last org using it. const billingAccount = await manager.findOne(BillingAccount, org.billingAccount, {relations: ['orgs']}); if (billingAccount && billingAccount.orgs.length === 0) { await manager.remove([billingAccount]); } return {status: 200}; }); } // Checks that the user has ADD permissions to the given org. If not, throws an error. // Otherwise adds a workspace with the given name. Returns a query result with the id // of the added workspace. public async addWorkspace(scope: Scope, orgKey: string|number, props: Partial): Promise> { const name = props.name; if (!name) { return { status: 400, errMessage: 'Bad request: name required' }; } return await this._connection.transaction(async manager => { let orgQuery = this.org(scope, orgKey, { manager, markPermissions: Permissions.ADD, needRealOrg: true }) // Join the org's ACL rules (with 1st level groups listed) so we can include them in the // workspace. .leftJoinAndSelect('orgs.aclRules', 'acl_rules') .leftJoinAndSelect('acl_rules.group', 'org_group') .leftJoinAndSelect('orgs.workspaces', 'workspaces'); // we may want to count workspaces. orgQuery = this._addFeatures(orgQuery); // add features to access optional workspace limit. const queryResult = await verifyIsPermitted(orgQuery); if (queryResult.status !== 200) { // If the query for the organization failed, return the failure result. return queryResult; } const org: Organization = queryResult.data; const features = org.billingAccount.product.features; if (features.maxWorkspacesPerOrg !== undefined) { // we need to count how many workspaces are in the current org, and if we // are already at or above the limit, then fail. const count = org.workspaces.length; if (count >= features.maxWorkspacesPerOrg) { throw new ApiError('No more workspaces permitted', 403, { limit: { quantity: 'workspaces', maximum: features.maxWorkspacesPerOrg, value: count, projectedValue: count + 1 } }); } } const workspace = await this._doAddWorkspace(org, props, manager); return { status: 200, data: workspace.id }; }); } // Checks that the user has UPDATE permissions to the given workspace. If not, throws an // error. Otherwise updates the given workspace with the given name. Returns an empty // query result with status 200 on success. public async updateWorkspace(scope: Scope, wsId: number, props: Partial): Promise> { return await this._connection.transaction(async manager => { const wsQuery = this._workspace(scope, wsId, { manager, markPermissions: Permissions.UPDATE }); const queryResult = await verifyIsPermitted(wsQuery); if (queryResult.status !== 200) { // If the query for the workspace failed, return the failure result. return queryResult; } // Update the name and save. const workspace: Workspace = queryResult.data; workspace.checkProperties(props); workspace.updateFromProperties(props); await manager.save(workspace); return {status: 200}; }); } // Checks that the user has REMOVE permissions to the given workspace. If not, throws an // error. Otherwise deletes the given workspace. Returns an empty query result with // status 200 on success. public async deleteWorkspace(scope: Scope, wsId: number): Promise> { return await this._connection.transaction(async manager => { const wsQuery = this._workspace(scope, wsId, { manager, markPermissions: Permissions.REMOVE, allowSpecialPermit: true }) // Join the workspace's docs (with ACLs and groups) and ACLs and groups so we can // remove them. Also join the org to get the orgId. .leftJoinAndSelect('workspaces.aclRules', 'acl_rules') .leftJoinAndSelect('acl_rules.group', 'groups') .leftJoinAndSelect('workspaces.docs', 'docs') .leftJoinAndSelect('docs.aclRules', 'doc_acl_rules') .leftJoinAndSelect('doc_acl_rules.group', 'doc_groups') .leftJoinAndSelect('workspaces.org', 'orgs'); const queryResult = await verifyIsPermitted(wsQuery); if (queryResult.status !== 200) { // If the query for the workspace failed, return the failure result. return queryResult; } const workspace: Workspace = queryResult.data; // Delete the workspace, workspace docs, doc ACLs/groups and workspace ACLs/groups. const wsGroups = workspace.aclRules.map(wsAcl => wsAcl.group); const docAcls = ([] as AclRule[]).concat(...workspace.docs.map(doc => doc.aclRules)); const docGroups = docAcls.map(docAcl => docAcl.group); await manager.remove([workspace, ...wsGroups, ...docAcls, ...workspace.docs, ...workspace.aclRules, ...docGroups]); // Update the guests in the org after removing this workspace. await this._repairOrgGuests(scope, workspace.org.id, manager); return {status: 200}; }); } public softDeleteWorkspace(scope: Scope, wsId: number): Promise { return this._setWorkspaceRemovedAt(scope, wsId, new Date()); } public async undeleteWorkspace(scope: Scope, wsId: number): Promise { return this._setWorkspaceRemovedAt(scope, wsId, null); } // Checks that the user has ADD permissions to the given workspace. If not, throws an // error. Otherwise adds a doc with the given name. Returns a query result with the id // of the added doc. // The desired docId may be passed in. If passed in, it should have been generated // by makeId(). The client should not be given control of the choice of docId. // This option is used during imports, where it is convenient not to add a row to the // document database until the document has actually been imported. public async addDocument(scope: Scope, wsId: number, props: Partial, docId?: string): Promise> { const name = props.name; if (!name) { return { status: 400, errMessage: 'Bad request: name required' }; } return await this._connection.transaction(async manager => { let wsQuery = this._workspace(scope, wsId, { manager, markPermissions: Permissions.ADD }) .leftJoinAndSelect('workspaces.org', 'orgs') // Join the workspaces's ACL rules (with 1st level groups listed) so we can include // them in the doc. .leftJoinAndSelect('workspaces.aclRules', 'acl_rules') .leftJoinAndSelect('acl_rules.group', 'workspace_group'); wsQuery = this._addFeatures(wsQuery); const queryResult = await verifyIsPermitted(wsQuery); if (queryResult.status !== 200) { // If the query for the organization failed, return the failure result. return queryResult; } const workspace: Workspace = queryResult.data; await this._checkRoomForAnotherDoc(workspace, manager); // Create a new document. const doc = new Document(); doc.id = docId || makeId(); doc.checkProperties(props); doc.updateFromProperties(props); // By default, assign a urlId that is a prefix of the docId. // The urlId should be unique across all existing documents. if (!doc.urlId) { for (let i = MIN_URLID_PREFIX_LENGTH; i <= doc.id.length; i++) { const candidate = doc.id.substr(0, i); if (!await manager.findOne(Alias, { urlId: candidate })) { doc.urlId = candidate; break; } } if (!doc.urlId) { // This should happen only if UUIDs collide. throw new Error('Could not find a free identifier for document'); } } if (doc.urlId) { await this._checkForUrlIdConflict(manager, workspace.org, doc.urlId); const alias = new Alias(); doc.aliases = [alias]; alias.urlId = doc.urlId; alias.orgId = workspace.org.id; } else { doc.aliases = []; } doc.workspace = workspace; // Create the special initial permission groups for the new workspace. const groupMap = this._createGroups(workspace); doc.aclRules = this.defaultCommonGroups.map(_grpDesc => { // Get the special group with the name needed for this ACL Rule const group = groupMap[_grpDesc.name]; // Add each of the special groups to the new doc. const aclRuleDoc = new AclRuleDoc(); aclRuleDoc.permissions = _grpDesc.permissions; aclRuleDoc.group = group; aclRuleDoc.document = doc; return aclRuleDoc; }); // Saves the document as well as its new ACL Rules and Group. const groups = doc.aclRules.map(rule => rule.group); const result = await manager.save([doc, ...doc.aclRules, ...doc.aliases, ...groups]); return { status: 200, data: (result[0] as Document).id }; }); } // Checks that the user has UPDATE permissions to the given doc. If not, throws an // error. Otherwise updates the given doc with the given name. Returns an empty // query result with status 200 on success. // NOTE: This does not update the updateAt date indicating the last modified time of the doc. // We may want to make it do so. public async updateDocument(scope: DocScope, props: Partial): Promise> { return await this._connection.transaction(async manager => { const docQuery = this._doc(scope, { manager, markPermissions: Permissions.UPDATE }); const queryResult = await verifyIsPermitted(docQuery); if (queryResult.status !== 200) { // If the query for the workspace failed, return the failure result. return queryResult; } // Update the name and save. const doc: Document = queryResult.data; doc.checkProperties(props); doc.updateFromProperties(props); // Forcibly remove the aliases relation from the document object, so that TypeORM // doesn't try to save it. It isn't safe to do that because it was filtered by // a where clause. // TODO: refactor to avoid using TypeORM's save method. doc.aliases = undefined as any; // TODO: if pinning does anything special in future, like triggering thumbnail // processing, then we should probably call pinDoc. await manager.save(doc); if (props.urlId) { // We accumulate old urlIds in order to correctly redirect them, so we need // to do some extra bookwork when a doc's urlId is changed. First, throw // an error if urlId is already in use by this org. await this._checkForUrlIdConflict(manager, doc.workspace.org, props.urlId, doc.id); // Otherwise, add an alias entry for this document. await manager.createQueryBuilder() .insert() // if urlId has been used before, update it .onConflict(`(org_id, url_id) DO UPDATE SET doc_id = :docId, created_at = ${now(this._dbType)}`) .setParameter('docId', doc.id) .into(Alias) .values({orgId: doc.workspace.org.id, urlId: props.urlId, doc}) .execute(); // TODO: we could limit the max number of aliases stored per document. } return {status: 200}; }); } // Checks that the user has REMOVE permissions to the given document. If not, throws an // error. Otherwise deletes the given document. Returns an empty query result with // status 200 on success. public async deleteDocument(scope: DocScope): Promise> { return await this._connection.transaction(async manager => { const docQuery = this._doc(scope, { manager, markPermissions: Permissions.REMOVE, allowSpecialPermit: true }) // Join the docs's ACLs and groups so we can remove them. // Join the workspace and org to get their ids. .leftJoinAndSelect('docs.aclRules', 'acl_rules') .leftJoinAndSelect('acl_rules.group', 'groups'); const queryResult = await verifyIsPermitted(docQuery); if (queryResult.status !== 200) { // If the query for the workspace failed, return the failure result. return queryResult; } const doc: Document = queryResult.data; // Delete the doc and doc ACLs/groups. const docGroups = doc.aclRules.map(docAcl => docAcl.group); await manager.remove([doc, ...docGroups, ...doc.aclRules]); // Update guests of the workspace and org after removing this doc. await this._repairWorkspaceGuests(scope, doc.workspace.id, manager); await this._repairOrgGuests(scope, doc.workspace.org.id, manager); return {status: 200}; }); } public softDeleteDocument(scope: DocScope): Promise { return this._setDocumentRemovedAt(scope, new Date()); } public async undeleteDocument(scope: DocScope): Promise { return this._setDocumentRemovedAt(scope, null); } // Fetches and provides a callback with the billingAccount so it may be updated within // a transaction. The billingAccount is saved after any changes applied in the callback. // Will throw an error if the user does not have access to the org's billingAccount. // // Only certain properties of the billingAccount may be changed: // 'inGoodStanding', 'status', 'stripeCustomerId','stripeSubscriptionId', 'stripePlanId' // // Returns an empty query result with status 200 on success. public async updateBillingAccount( userId: number, orgKey: string|number, callback: (billingAccount: BillingAccount, transaction: EntityManager) => void|Promise ): Promise> { return await this._connection.transaction(async transaction => { const billingAccount = await this.getBillingAccount({userId}, orgKey, false, transaction); const billingAccountCopy = Object.assign({}, billingAccount); await callback(billingAccountCopy, transaction); // Pick out properties that are allowed to be changed, to prevent accidental updating // of other information. const updated = pick(billingAccountCopy, 'inGoodStanding', 'status', 'stripeCustomerId', 'stripeSubscriptionId', 'stripePlanId', 'product'); billingAccount.paid = undefined; // workaround for a typeorm bug fixed upstream in // https://github.com/typeorm/typeorm/pull/4035 await transaction.save(Object.assign(billingAccount, updated)); return { status: 200 }; }); } // Updates the managers of a billing account. Returns an empty query result with // status 200 on success. public async updateBillingAccountManagers(userId: number, orgKey: string|number, delta: ManagerDelta): Promise> { const notifications: Array<() => void> = []; // Translate our ManagerDelta to a PermissionDelta so that we can reuse existing // methods for normalizing/merging emails and finding the user ids. const permissionDelta: PermissionDelta = {users: {}}; for (const key of Object.keys(delta.users)) { const target = delta.users[key]; if (target !== null && target !== 'managers') { throw new ApiError("Only valid settings for billing account managers are 'managers' or null", 400); } permissionDelta.users![key] = delta.users[key] ? 'owners' : null; } return await this._connection.transaction(async transaction => { const billingAccount = await this.getBillingAccount({userId}, orgKey, true, transaction); // At this point, we'll have thrown an error if userId is not a billing account manager. // Now check if the billing account has mutable managers (individual account does not). if (billingAccount.individual) { throw new ApiError('billing account managers cannot be added/removed for individual billing accounts', 400); } // Get the ids of users to update. const billingAccountId = billingAccount.id; const userIdDelta = await this._verifyAndLookupDeltaEmails(userId, permissionDelta, true, transaction); if (!userIdDelta) { throw new ApiError('No userIdDelta', 500); } // Any duplicated emails have been merged, and userIdDelta is now keyed by user ids. // Now we iterate over users and add/remove them as managers. for (const memberUserIdStr of Object.keys(userIdDelta)) { const memberUserId = parseInt(memberUserIdStr, 10); const add = Boolean(userIdDelta[memberUserIdStr]); const manager = await transaction.findOne(BillingAccountManager, {where: {userId: memberUserId, billingAccountId}}); if (add) { // Skip adding user if they are already a manager. if (!manager) { const newManager = new BillingAccountManager(); newManager.userId = memberUserId; newManager.billingAccountId = billingAccountId; await transaction.save(newManager); notifications.push(this._billingManagerNotification(userId, memberUserId, billingAccount.orgs)); } } else { if (manager) { // Don't allow a user to remove themselves as a manager, to be consistent // with ACL behavior. if (memberUserId === userId) { throw new ApiError('Users cannot remove themselves as billing managers', 400); } await transaction.remove(manager); } } } for (const notification of notifications) { notification(); } return { status: 200 }; }); } // Updates the permissions of users on the given org according to the PermissionDelta. public async updateOrgPermissions( scope: Scope, orgKey: string|number, delta: PermissionDelta ): Promise> { const {userId} = scope; const notifications: Array<() => void> = []; const result = await this._connection.transaction(async manager => { const userIdDelta = await this._verifyAndLookupDeltaEmails(userId, delta, true, manager); let orgQuery = this.org(scope, orgKey, { manager, markPermissions: Permissions.ACL_EDIT, needRealOrg: true }) // Join the org's ACL rules (with 1st level groups/users listed) so we can edit them. .leftJoinAndSelect('orgs.aclRules', 'acl_rules') .leftJoinAndSelect('acl_rules.group', 'org_groups') .leftJoinAndSelect('org_groups.memberUsers', 'org_member_users'); orgQuery = this._addFeatures(orgQuery); const queryResult = await verifyIsPermitted(orgQuery); if (queryResult.status !== 200) { // If the query for the organization failed, return the failure result. return queryResult; } const org: Organization = queryResult.data; const groups = getNonGuestGroups(org); if (userIdDelta) { const membersBefore = getUsersWithRole(groups, this.getExcludedUserIds()); const countBefore = removeRole(membersBefore).length; await this._updateUserPermissions(groups, userIdDelta, manager); this._checkUserChangeAllowed(userId, groups); await manager.save(groups); // Fully remove any users being removed from the org. for (const deltaUser in userIdDelta) { // Any users removed from the org should be removed from everything in the org. if (userIdDelta[deltaUser] === null) { await scrubUserFromOrg(org.id, parseInt(deltaUser, 10), userId, manager); } } // Emit an event if the number of org users is changing. const membersAfter = getUsersWithRole(groups, this.getExcludedUserIds()); const countAfter = removeRole(membersAfter).length; notifications.push(this._userChangeNotification(userId, org, countBefore, countAfter, membersBefore, membersAfter)); // Notify any added users that they've been added to this resource. notifications.push(this._inviteNotification(userId, org, userIdDelta, membersBefore)); } return {status: 200}; }); for (const notification of notifications) { notification(); } return result; } // Updates the permissions of users on the given workspace according to the PermissionDelta. public async updateWorkspacePermissions( scope: Scope, wsId: number, delta: PermissionDelta ): Promise> { const {userId} = scope; const notifications: Array<() => void> = []; const result = await this._connection.transaction(async manager => { let userIdDelta = await this._verifyAndLookupDeltaEmails(userId, delta, false, manager); let wsQuery = this._workspace(scope, wsId, { manager, markPermissions: Permissions.ACL_EDIT }) // Join the workspace's ACL rules and groups/users so we can edit them. .leftJoinAndSelect('workspaces.aclRules', 'acl_rules') .leftJoinAndSelect('acl_rules.group', 'workspace_groups') .leftJoinAndSelect('workspace_groups.memberUsers', 'workspace_users') // Join the workspace's org and org member groups so we know what should be inherited. .leftJoinAndSelect('workspaces.org', 'org') .leftJoinAndSelect('org.aclRules', 'org_acl_rules') .leftJoinAndSelect('org_acl_rules.group', 'org_groups') .leftJoinAndSelect('org_groups.memberUsers', 'org_users'); wsQuery = this._addFeatures(wsQuery, 'org'); const queryResult = await verifyIsPermitted(wsQuery); if (queryResult.status !== 200) { // If the query for the workspace failed, return the failure result. return queryResult; } const ws: Workspace = queryResult.data; // Get all the non-guest groups on the org. const orgGroups = getNonGuestGroups(ws.org); // Get all the non-guest groups to be updated by the delta. const groups = getNonGuestGroups(ws); if ('maxInheritedRole' in delta) { // Honor the maxInheritedGroups delta setting. this._moveInheritedGroups(groups, orgGroups, delta.maxInheritedRole); if (delta.maxInheritedRole !== roles.OWNER) { // If the maxInheritedRole was lowered from 'owners', add the calling user // back as an owner so that their acl edit access is not revoked. userIdDelta = userIdDelta || {}; userIdDelta[userId] = roles.OWNER; } } const membersBefore = this._withoutExcludedUsers(new Map(groups.map(grp => [grp.name, grp.memberUsers]))); if (userIdDelta) { // To check limits on shares, we track group members before and after call // to _updateUserPermissions. Careful, that method mutates groups. const nonOrgMembersBefore = this._getUserDifference(groups, orgGroups); await this._updateUserPermissions(groups, userIdDelta, manager); this._checkUserChangeAllowed(userId, groups); const nonOrgMembersAfter = this._getUserDifference(groups, orgGroups); const features = ws.org.billingAccount.product.features; const limit = features.maxSharesPerWorkspace; if (limit !== undefined) { this._restrictShares(null, limit, removeRole(nonOrgMembersBefore), removeRole(nonOrgMembersAfter), true, 'workspace', features); } } await manager.save(groups); // If the users in workspace were changed, make a call to repair the guests in the org. if (userIdDelta) { await this._repairOrgGuests(scope, ws.org.id, manager); notifications.push(this._inviteNotification(userId, ws, userIdDelta, membersBefore)); } return {status: 200}; }); for (const notification of notifications) { notification(); } return result; } // Updates the permissions of users on the given doc according to the PermissionDelta. public async updateDocPermissions( scope: DocScope, delta: PermissionDelta ): Promise> { const notifications: Array<() => void> = []; const result = await this._connection.transaction(async manager => { const {userId} = scope; let userIdDelta = await this._verifyAndLookupDeltaEmails(userId, delta, false, manager); const doc = await this._loadDocAccess(scope, Permissions.ACL_EDIT, manager); // Get all the non-guest doc groups to be updated by the delta. const groups = getNonGuestGroups(doc); if ('maxInheritedRole' in delta) { const wsGroups = getNonGuestGroups(doc.workspace); // Honor the maxInheritedGroups delta setting. this._moveInheritedGroups(groups, wsGroups, delta.maxInheritedRole); if (delta.maxInheritedRole !== roles.OWNER) { // If the maxInheritedRole was lowered from 'owners', add the calling user // back as an owner so that their acl edit access is not revoked. userIdDelta = userIdDelta || {}; userIdDelta[userId] = roles.OWNER; } } const membersBefore = new Map(groups.map(grp => [grp.name, grp.memberUsers])); if (userIdDelta) { // To check limits on shares, we track group members before and after call // to _updateUserPermissions. Careful, that method mutates groups. const org = doc.workspace.org; const orgGroups = getNonGuestGroups(org); const nonOrgMembersBefore = this._getUserDifference(groups, orgGroups); await this._updateUserPermissions(groups, userIdDelta, manager); this._checkUserChangeAllowed(userId, groups); const nonOrgMembersAfter = this._getUserDifference(groups, orgGroups); const features = org.billingAccount.product.features; this._restrictAllDocShares(features, nonOrgMembersBefore, nonOrgMembersAfter); } await manager.save(groups); if (userIdDelta) { // If the users in the doc were changed, make calls to repair workspace then org guests. await this._repairWorkspaceGuests(scope, doc.workspace.id, manager); await this._repairOrgGuests(scope, doc.workspace.org.id, manager); notifications.push(this._inviteNotification(userId, doc, userIdDelta, membersBefore)); } return {status: 200}; }); for (const notification of notifications) { notification(); } return result; } // Returns UserAccessData for all users with any permissions on the org. public async getOrgAccess(scope: Scope, orgKey: string|number): Promise> { const orgQuery = this.org(scope, orgKey, { markPermissions: Permissions.VIEW, needRealOrg: true, allowSpecialPermit: true }) // Join the org's ACL rules (with 1st level groups/users listed). .leftJoinAndSelect('orgs.aclRules', 'acl_rules') .leftJoinAndSelect('acl_rules.group', 'org_groups') .leftJoinAndSelect('org_groups.memberUsers', 'org_member_users') .leftJoinAndSelect('org_member_users.logins', 'user_logins'); const queryResult = await verifyIsPermitted(orgQuery); if (queryResult.status !== 200) { // If the query for the doc failed, return the failure result. return queryResult; } const org: Organization = queryResult.data; const userRoleMap = getMemberUserRoles(org, this.defaultGroupNames); const users = getResourceUsers(org).filter(u => userRoleMap[u.id]).map(u => ({ id: u.id, name: u.name, email: u.logins.map((login: Login) => login.displayEmail)[0], picture: u.picture, access: userRoleMap[u.id] as roles.Role })); return { status: 200, data: { users } }; } // Returns UserAccessData for all users with any permissions on the ORG, as well as the // maxInheritedRole set on the workspace. Note that information for all users in the org // is given to indicate which users have access to the org but not to this particular workspace. public async getWorkspaceAccess(scope: Scope, wsId: number): Promise> { const wsQuery = this._workspace(scope, wsId, { markPermissions: Permissions.VIEW }) // Join the workspace's ACL rules (with 1st level groups/users listed). .leftJoinAndSelect('workspaces.aclRules', 'acl_rules') .leftJoinAndSelect('acl_rules.group', 'workspace_groups') .leftJoinAndSelect('workspace_groups.memberUsers', 'workspace_group_users') .leftJoinAndSelect('workspace_groups.memberGroups', 'workspace_group_groups') .leftJoinAndSelect('workspace_group_users.logins', 'workspace_user_logins') // Join the org and groups/users. .leftJoinAndSelect('workspaces.org', 'org') .leftJoinAndSelect('org.aclRules', 'org_acl_rules') .leftJoinAndSelect('org_acl_rules.group', 'org_groups') .leftJoinAndSelect('org_groups.memberUsers', 'org_group_users') .leftJoinAndSelect('org_group_users.logins', 'org_user_logins'); const queryResult = await verifyIsPermitted(wsQuery); if (queryResult.status !== 200) { // If the query for the doc failed, return the failure result. return queryResult; } const workspace: Workspace = queryResult.data; const wsMap = getMemberUserRoles(workspace, this.defaultCommonGroupNames); // The orgMap gives the org access inherited by each user. const orgMap = getMemberUserRoles(workspace.org, this.defaultBasicGroupNames); // Iterate through the org since all users will be in the org. const users: UserAccessData[] = getResourceUsers([workspace, workspace.org]).map(u => { return { id: u.id, name: u.name, email: u.logins.map((login: Login) => login.email)[0], picture: u.picture, access: wsMap[u.id] || null, parentAccess: roles.getEffectiveRole(orgMap[u.id] || null) }; }); return { status: 200, data: { maxInheritedRole: this._getMaxInheritedRole(workspace), users } }; } // Returns UserAccessData for all users with any permissions on the ORG, as well as the // maxInheritedRole set on the doc. Note that information for all users in the org is given // to indicate which users have access to the org but not to this particular doc. // TODO: Consider updating to traverse through the doc groups and their nested groups for // a more straightforward way of determining inheritance. The difficulty here is that all users // in the org and their logins are needed for inclusion in the result, which would require an // extra lookup step when traversing from the doc. public async getDocAccess(scope: DocScope): Promise> { const doc = await this._loadDocAccess(scope, Permissions.VIEW); const docMap = getMemberUserRoles(doc, this.defaultCommonGroupNames); // The wsMap gives the ws access inherited by each user. const wsMap = getMemberUserRoles(doc.workspace, this.defaultBasicGroupNames); // The orgMap gives the org access inherited by each user. const orgMap = getMemberUserRoles(doc.workspace.org, this.defaultBasicGroupNames); const wsMaxInheritedRole = this._getMaxInheritedRole(doc.workspace); // Iterate through the org since all users will be in the org. const users: UserAccessData[] = getResourceUsers([doc, doc.workspace, doc.workspace.org]).map(u => { // Merge the strongest roles from the resource and parent resources. Note that the parent // resource access levels must be tempered by the maxInheritedRole values of their children. const inheritFromOrg = roles.getWeakestRole(orgMap[u.id] || null, wsMaxInheritedRole); return { id: u.id, name: u.name, email: u.logins.map((login: Login) => login.email)[0], picture: u.picture, access: docMap[u.id] || null, parentAccess: roles.getEffectiveRole( roles.getStrongestRole(wsMap[u.id] || null, inheritFromOrg) ) }; }); return { status: 200, data: { maxInheritedRole: this._getMaxInheritedRole(doc), users } }; } public async moveDoc( scope: DocScope, wsId: number ): Promise> { return await this._connection.transaction(async manager => { // Get the doc const docQuery = this._doc(scope, { manager, markPermissions: Permissions.OWNER }) .leftJoinAndSelect('docs.aclRules', 'acl_rules') .leftJoinAndSelect('acl_rules.group', 'doc_groups') .leftJoinAndSelect('doc_groups.memberUsers', 'doc_users') .leftJoinAndSelect('workspaces.aclRules', 'workspace_acl_rules') .leftJoinAndSelect('workspace_acl_rules.group', 'workspace_groups') .leftJoinAndSelect('workspace_groups.memberUsers', 'workspace_users') .leftJoinAndSelect('orgs.aclRules', 'org_acl_rules') .leftJoinAndSelect('org_acl_rules.group', 'org_groups') .leftJoinAndSelect('org_groups.memberUsers', 'org_users'); const docQueryResult = await verifyIsPermitted(docQuery); if (docQueryResult.status !== 200) { // If the query for the doc failed, return the failure result. return docQueryResult; } const doc: Document = docQueryResult.data; if (doc.workspace.id === wsId) { return { status: 400, errMessage: `Bad request: doc is already in destination workspace` }; } // Get the destination workspace let wsQuery = this._workspace(scope, wsId, { manager, markPermissions: Permissions.ADD }) // Join the workspaces's ACL rules (with 1st level groups listed) so we can include // them in the doc. .leftJoinAndSelect('workspaces.aclRules', 'acl_rules') .leftJoinAndSelect('acl_rules.group', 'workspace_groups') .leftJoinAndSelect('workspace_groups.memberUsers', 'workspace_users') .leftJoinAndSelect('workspaces.org', 'orgs') .leftJoinAndSelect('orgs.aclRules', 'org_acl_rules') .leftJoinAndSelect('org_acl_rules.group', 'org_groups') .leftJoinAndSelect('org_groups.memberUsers', 'org_users'); wsQuery = this._addFeatures(wsQuery); const wsQueryResult = await verifyIsPermitted(wsQuery); if (wsQueryResult.status !== 200) { // If the query for the organization failed, return the failure result. return wsQueryResult; } const workspace: Workspace = wsQueryResult.data; // Collect all first-level users of the doc being moved. const firstLevelUsers = getResourceUsers(doc); const docGroups = doc.aclRules.map(rule => rule.group); if (doc.workspace.org.id !== workspace.org.id) { // Doc is going to a new org. Check that there is room for it there. await this._checkRoomForAnotherDoc(workspace, manager); // Check also that doc doesn't have too many shares. if (firstLevelUsers.length > 0) { const sourceOrg = doc.workspace.org; const sourceOrgGroups = getNonGuestGroups(sourceOrg); const destOrg = workspace.org; const destOrgGroups = getNonGuestGroups(destOrg); const nonOrgMembersBefore = this._getUserDifference(docGroups, sourceOrgGroups); const nonOrgMembersAfter = this._getUserDifference(docGroups, destOrgGroups); const features = destOrg.billingAccount.product.features; this._restrictAllDocShares(features, nonOrgMembersBefore, nonOrgMembersAfter, false); } } // Update the doc workspace. const oldWs = doc.workspace; doc.workspace = workspace; // The doc should have groups which properly inherit the permissions of the // new workspace after it is moved. // Update the doc groups to inherit the groups in the new workspace/org. // Any previously custom added members remain in the doc groups. doc.aclRules.forEach(aclRule => { this._setInheritance(aclRule.group, workspace); }); // If the org is changing, remove all urlIds for this doc, since there could be // conflicts in the new org. // TODO: could try recreating/keeping the urlIds in the new org if there is in fact // no conflict. Be careful about the merged personal org. if (oldWs.org.id !== doc.workspace.org.id) { doc.urlId = null; await manager.delete(Alias, { doc: doc.id }); } // Forcibly remove the aliases relation from the document object, so that TypeORM // doesn't try to save it. It isn't safe to do that because it was filtered by // a where clause. doc.aliases = undefined as any; // Saves the document as well as its new ACL Rules and Groups and the // updated guest group in the workspace. await manager.save([doc, ...doc.aclRules, ...docGroups]); if (firstLevelUsers.length > 0) { // If the doc has first-level users, update the source and destination workspaces. await this._repairWorkspaceGuests(scope, oldWs.id, manager); await this._repairWorkspaceGuests(scope, doc.workspace.id, manager); if (oldWs.org.id !== doc.workspace.org.id) { // Also if the org changed, update the source and destination org guest groups. await this._repairOrgGuests(scope, oldWs.org.id, manager); await this._repairOrgGuests(scope, doc.workspace.org.id, manager); } } return { status: 200 }; }); } // Pin or unpin a doc. public async pinDoc( scope: DocScope, setPinned: boolean ): Promise> { return await this._connection.transaction(async manager => { // Find the doc to assert that it exists. Assert that the user has edit access to the // parent org. const permissions = Permissions.EDITOR; const docQuery = this._doc(scope, { manager }) .addSelect(this._markIsPermitted('orgs', scope.userId, permissions), 'is_permitted'); const docQueryResult = await verifyIsPermitted(docQuery); if (docQueryResult.status !== 200) { // If the query for the doc failed, return the failure result. return docQueryResult; } const doc: Document = docQueryResult.data; if (doc.isPinned !== setPinned) { doc.isPinned = setPinned; // Forcibly remove the aliases relation from the document object, so that TypeORM // doesn't try to save it. It isn't safe to do that because it was filtered by // a where clause. doc.aliases = undefined as any; // Save and return success status. await manager.save(doc); } return { status: 200 }; }); } /** * Updates the updatedAt values for several docs. Takes a map where each entry maps a docId to * an ISO date string representing the new updatedAt time. This is not a part of the API, it * should be called only by the HostedMetadataManager when a change is made to a doc. */ public async setDocsUpdatedAt( docUpdateMap: {[docId: string]: string} ): Promise> { if (!docUpdateMap || Object.keys(docUpdateMap).length === 0) { return { status: 400, errMessage: `Bad request: missing argument` }; } const docIds = Object.keys(docUpdateMap); return this._connection.transaction(async manager => { const updateTasks = docIds.map(docId => { return manager.createQueryBuilder() .update(Document) .set({updatedAt: docUpdateMap[docId]}) .where("id = :docId", {docId}) .execute(); }); await Promise.all(updateTasks); return { status: 200 }; }); } /** * Get the anonymous user, as a constructed object rather than a database lookup. */ public getAnonymousUser(): User { const user = new User(); user.id = this.getAnonymousUserId(); user.name = "Anonymous"; user.isFirstTimeUser = false; const login = new Login(); login.displayEmail = login.email = ANONYMOUS_USER_EMAIL; user.logins = [login]; return user; } /** * * Get the id of the anonymous user. * */ public getAnonymousUserId(): number { const id = this._specialUserIds[ANONYMOUS_USER_EMAIL]; if (!id) { throw new Error("Anonymous user not available"); } return id; } /** * Get the id of the thumbnail user. */ public getPreviewerUserId(): number { const id = this._specialUserIds[PREVIEWER_EMAIL]; if (!id) { throw new Error("Previewer user not available"); } return id; } /** * Get the id of the 'everyone' user. */ public getEveryoneUserId(): number { const id = this._specialUserIds[EVERYONE_EMAIL]; if (!id) { throw new Error("'everyone' user not available"); } return id; } /** * Get the id of the 'support' user. */ public getSupportUserId(): number { const id = this._specialUserIds[SUPPORT_EMAIL]; if (!id) { throw new Error("'support' user not available"); } return id; } /** * Get ids of users to be excluded from member counts and emails. */ public getExcludedUserIds(): number[] { return [this.getSupportUserId(), this.getAnonymousUserId(), this.getEveryoneUserId()]; } /** * * Take a list of user profiles coming from the client's session, correlate * them with Users and Logins in the database, and construct full profiles * with user ids, standardized display emails, pictures, and anonymous flags. * */ public async completeProfiles(profiles: UserProfile[]): Promise { if (profiles.length === 0) { return []; } const qb = this._connection.createQueryBuilder() .select('logins') .from(Login, 'logins') .leftJoinAndSelect('logins.user', 'user') .where('logins.email in (:...emails)', {emails: profiles.map(profile => normalizeEmail(profile.email))}); const completedProfiles: {[email: string]: FullUser} = {}; for (const login of await qb.getMany()) { completedProfiles[login.email] = { id: login.user.id, email: login.displayEmail, name: login.user.name, picture: login.user.picture, anonymous: login.user.id === this.getAnonymousUserId() }; } return profiles.map(profile => completedProfiles[normalizeEmail(profile.email)]) .filter(profile => profile); } /** * Calculate the public-facing subdomain for an org. * * If the domain is a personal org, the public-facing subdomain will * be docs/docs-s (if `mergePersonalOrgs` is set), or docs-[s]NNN where NNN * is the user id (if `mergePersonalOrgs` is not set). * * If a domain is set in the database, and `suppressDomain` is not * set, we report that domain verbatim. The `suppressDomain` may * be set in some key endpoints in order to enforce a `vanityDomain` * feature flag. * * Otherwise, we report o-NNN (or o-sNNN in staging) where NNN is * the org id. */ public normalizeOrgDomain(orgId: number, domain: string|null, ownerId: number|undefined, mergePersonalOrgs: boolean = true, suppressDomain: boolean = false): string { if (!domain) { if (ownerId) { // This is an org with no domain set, and an owner set. domain = mergePersonalOrgs ? this.mergedOrgDomain() : `docs-${this._idPrefix}${ownerId}`; } else { // This is an org with no domain or owner set. domain = `o-${this._idPrefix}${orgId}`; } } else if (suppressDomain) { domain = `o-${this._idPrefix}${orgId}`; } return domain; } // Throw an error for query results that represent errors or have no data; otherwise unwrap // the valid result it contains. public unwrapQueryResult(qr: QueryResult): T { if (qr.data) { return qr.data; } throw new ApiError(qr.errMessage || 'an error occurred', qr.status); } // Throw an error for query results that represent errors public checkQueryResult(qr: QueryResult) { if (qr.status !== 200) { throw new ApiError(qr.errMessage || 'an error occurred', qr.status); } } // Get the domain name for the merged organization. In production, this is 'docs', // in staging, it is 'docs-s'. public mergedOrgDomain() { if (this._idPrefix) { return `docs-${this._idPrefix}`; } return 'docs'; } // The merged organization is a special pseudo-organization // patched together from all the material a given user has access // to. The result is approximately, but not exactly, an organization, // and so it treated a bit differently. public isMergedOrg(orgKey: string|number|null) { return orgKey === this.mergedOrgDomain() || orgKey === 0; } /** * Construct a QueryBuilder for a select query on a specific org given by orgId. * Provides options for running in a transaction and adding permission info. * See QueryOptions documentation above. */ public org(scope: Scope, org: string|number|null, options: QueryOptions = {}): SelectQueryBuilder { return this._org(scope, scope.includeSupport || false, org, options); } private _org(scope: Scope|null, includeSupport: boolean, org: string|number|null, options: QueryOptions = {}): SelectQueryBuilder { let query = this._orgs(options.manager); // merged pseudo-org must become personal org. if (org === null || (options.needRealOrg && this.isMergedOrg(org))) { if (!scope || !scope.userId) { throw new Error('_org: requires userId'); } query = query.where('orgs.owner_id = :userId', {userId: scope.userId}); } else { query = this._whereOrg(query, org, includeSupport); } if (options.markPermissions) { if (!scope || !scope.userId) { throw new Error(`_orgQuery error: userId must be set to mark permissions`); } let effectiveUserId = scope.userId; let threshold = options.markPermissions; // TODO If the specialPermit is used across the network, requests could refer to orgs in // different ways (number vs string), causing this comparison to fail. if (options.allowSpecialPermit && scope.specialPermit && scope.specialPermit.org === org) { effectiveUserId = this.getPreviewerUserId(); threshold = Permissions.VIEW; } // Compute whether we have access to the doc query = query.addSelect( this._markIsPermitted('orgs', effectiveUserId, threshold), 'is_permitted' ); } return query; } /** * Check if urlId is already in use in the given org, and throw an error if so. * If the org is a personal org, we check for use of the urlId in any personal org. * If docId is set, we permit the urlId to be in use by that doc. */ private async _checkForUrlIdConflict(manager: EntityManager, org: Organization, urlId: string, docId?: string) { // Prepare a query to see if there is an existing conflicting urlId. let aliasQuery = this._docs(manager) .leftJoinAndSelect('docs.aliases', 'aliases') .leftJoinAndSelect('aliases.org', 'orgs') .where('docs.urlId = :urlId', {urlId}); // Place restriction on active urlIds only. // Older urlIds are best-effort, and subject to // reuse (currently). if (org.ownerId === this.getSupportUserId()) { // This is the support user. Some of their documents end up as examples on team sites. // so urlIds need to be checked globally, which corresponds to placing no extra where // clause here. } else if (org.ownerId) { // This is a personal org, so look for conflicts in any personal org // (needed to ensure consistency in merged personal org). // We don't need to do anything special about examples since they are stored in a personal // org. aliasQuery = aliasQuery.andWhere('orgs.owner_id is not null'); } else { // For team sites, just check within the team site. // We also need to check within the support@ org for conflict with examples, which // currently have an existence within team sites. aliasQuery = aliasQuery.andWhere('(aliases.orgId = :orgId OR aliases.orgId = :exampleOrgId)', {orgId: org.id, exampleOrgId: this._exampleOrgId}); } if (docId) { aliasQuery = aliasQuery.andWhere('docs.id <> :docId', {docId}); } if (await aliasQuery.getOne()) { throw new ApiError('urlId already in use', 400); } // Also forbid any urlId that would match an existing docId, that is a recipe for confusion // and mischief. if (await this._docs(manager).where('docs.id = :urlId', {urlId}).getOne()) { throw new ApiError('urlId already in use as document id', 400); } } /** * Updates the workspace guests with any first-level users of docs inside the workspace. */ private async _repairWorkspaceGuests(scope: Scope, wsId: number, transaction?: EntityManager): Promise { return await this._runInTransaction(transaction, async manager => { const wsQuery = this._workspace(scope, wsId, {manager}) .leftJoinAndSelect('workspaces.aclRules', 'acl_rules') .leftJoinAndSelect('acl_rules.group', 'groups') .leftJoinAndSelect('workspaces.docs', 'docs') .leftJoinAndSelect('docs.aclRules', 'doc_acl_rules') .leftJoinAndSelect('doc_acl_rules.group', 'doc_groups') .leftJoinAndSelect('doc_groups.memberUsers', 'doc_users'); const workspace: Workspace = (await wsQuery.getOne())!; const wsGuestGroup = workspace.aclRules.map(aclRule => aclRule.group) .find(_grp => _grp.name === roles.GUEST); if (!wsGuestGroup) { throw new Error(`_repairWorkspaceGuests error: could not find ${roles.GUEST} ACL group`); } wsGuestGroup.memberUsers = this._filterEveryone(getResourceUsers(workspace.docs)); await manager.save(wsGuestGroup); }); } /** * Updates the org guests with any first-level users of workspaces inside the org. * NOTE: If repairing both workspace and org guests, this should always be called AFTER * _repairWorkspaceGuests. */ private async _repairOrgGuests(scope: Scope, orgKey: string|number, transaction?: EntityManager): Promise { return await this._runInTransaction(transaction, async manager => { const orgQuery = this.org(scope, orgKey, {manager}) .leftJoinAndSelect('orgs.aclRules', 'acl_rules') .leftJoinAndSelect('acl_rules.group', 'groups') .leftJoinAndSelect('groups.memberUsers', 'users') .andWhere('groups.name = :role', {role: roles.GUEST}); const org = await orgQuery.getOne(); if (!org) { throw new Error('cannot find org'); } const workspaceQuery = this._workspaces(manager) .where('workspaces.org_id = :orgId', {orgId: org.id}) .leftJoinAndSelect('workspaces.aclRules', 'workspace_acl_rules') .leftJoinAndSelect('workspace_acl_rules.group', 'workspace_group') .leftJoinAndSelect('workspace_group.memberUsers', 'workspace_users') .leftJoinAndSelect('workspaces.org', 'org'); org.workspaces = await workspaceQuery.getMany(); const orgGroups = org.aclRules.map(aclRule => aclRule.group); if (orgGroups.length !== 1) { throw new Error(`_repairOrgGuests error: found ${orgGroups.length} ${roles.GUEST} ACL group(s)`); } const orgGuestGroup = orgGroups[0]!; orgGuestGroup.memberUsers = this._filterEveryone(getResourceUsers(org.workspaces)); await manager.save(orgGuestGroup); }); } /** * Don't add everyone@ as a guest, unless also sharing with anon@. * This means that material shared with everyone@ doesn't become * listable/discoverable by default. * * This is a HACK to allow existing example doc setup to continue to * work. It could be removed if we are willing to share the entire * support org with users. E.g. move any material we don't want to * share into a workspace that doesn't inherit ACLs. TODO: remove * this hack, or enhance it up as a way to support discoverability / * listing. It has the advantage of cloning well. */ private _filterEveryone(users: User[]): User[] { const everyone = this.getEveryoneUserId(); const anon = this.getAnonymousUserId(); if (users.find(u => u.id === anon)) { return users; } return users.filter(u => u.id !== everyone); } /** * Creates, initializes and saves a workspace in the given org with the given properties. * Product limits on number of workspaces allowed in org are not checked. */ private async _doAddWorkspace(org: Organization, props: Partial, transaction?: EntityManager): Promise { if (!props.name) { throw new ApiError('Bad request: name required', 400); } return await this._runInTransaction(transaction, async manager => { // Create a new workspace. const workspace = new Workspace(); workspace.checkProperties(props); workspace.updateFromProperties(props); workspace.org = org; // Create the special initial permission groups for the new workspace. const groupMap = this._createGroups(org); workspace.aclRules = this.defaultCommonGroups.map(_grpDesc => { // Get the special group with the name needed for this ACL Rule const group = groupMap[_grpDesc.name]; // Add each of the special groups to the new workspace. const aclRuleWs = new AclRuleWs(); aclRuleWs.permissions = _grpDesc.permissions; aclRuleWs.group = group; aclRuleWs.workspace = workspace; return aclRuleWs; }); // Saves the workspace as well as its new ACL Rules and Group. const groups = workspace.aclRules.map(rule => rule.group); const result = await manager.save([workspace, ...workspace.aclRules, ...groups]); return result[0]; }); } /** * If the user is a manager of the billing account associated with * the domain, an extra `billingAccount` field is returned, * containing a `inGoodStanding` flag, a `status` json field, and a * `product.paid` flag which is true if on a paid plan or false * otherwise. Other `billingAccount` fields are included (stripe ids in * particular) but these will not be reported across the API. */ private _addBillingAccount(qb: SelectQueryBuilder, userId: number) { qb = qb.leftJoinAndSelect('orgs.billingAccount', 'billing_accounts'); qb = qb.leftJoinAndSelect('billing_accounts.product', 'products'); qb = qb.leftJoinAndSelect('billing_accounts.managers', 'managers', 'managers.billing_account_id = billing_accounts.id and ' + 'managers.user_id = :userId'); qb = qb.setParameter('userId', userId); qb = this._addBillingAccountCalculatedFields(qb); return qb; } /** * Adds any calculated fields related to billing accounts - currently just * products.paid. */ private _addBillingAccountCalculatedFields(qb: SelectQueryBuilder) { // We need to sum up whether the account is paid or not, so that UI can provide // a "billing" vs "upgrade" link. For the moment, we just check if there is // a subscription id. TODO: make sure this is correct in case of free plans. qb = qb.addSelect(`(billing_accounts.stripe_subscription_id is not null)`, 'billing_accounts_paid'); return qb; } /** * Makes sure that product features for orgs are available in query result. */ private _addFeatures(qb: SelectQueryBuilder, orgAlias: string = 'orgs') { qb = qb.leftJoinAndSelect(`${orgAlias}.billingAccount`, 'billing_accounts'); qb = qb.leftJoinAndSelect('billing_accounts.product', 'products'); // orgAlias.billingAccount.product.features should now be available return qb; } private _addIsSupportWorkspace(users: AvailableUsers, qb: SelectQueryBuilder, orgAlias: string, workspaceAlias: string) { const supportId = this._specialUserIds[SUPPORT_EMAIL]; // We'll be selecting a boolean and naming it as *_support. This matches the // SQL name `support` of a column in the Workspace entity whose javascript // name is `isSupportWorkspace`. const alias = `${workspaceAlias}_support`; // If we happen to be the support user, don't treat our workspaces as anything // special, so we can work with them in the ordinary way. if (isSingleUser(users) && users === supportId) { return qb.addSelect('false', alias); } // Otherwise, treat workspaces owned by support as special. return qb.addSelect(`coalesce(${orgAlias}.owner_id = ${supportId}, false)`, alias); } /** * * Get the id of a special user, creating that user if it is not already present. * */ private async _getSpecialUserId(profile: UserProfile) { let id = this._specialUserIds[profile.email]; if (!id) { // get or create user - with retry, since there'll be a race to create the // user if a bunch of servers start simultaneously and the user doesn't exist // yet. const user = await this.getUserByLoginWithRetry(profile.email, profile); if (user) { id = this._specialUserIds[profile.email] = user.id; } } if (!id) { throw new Error(`Could not find or create user ${profile.email}`); } return id; } // This deals with the problem posed by receiving a PermissionDelta specifying a // role for both alice@x and Alice@x. We do not distinguish between such emails. // If there are multiple indistinguishabe emails, we preserve just one of them, // assigning it the most powerful permission specified. The email variant perserved // is the earliest alphabetically. private _mergeIndistinguishableEmails(delta: PermissionDelta) { if (!delta.users) { return; } // We normalize emails for comparison, but track how they were capitalized // in order to preserve it. This is worth doing since for the common case // of a user being added to a resource prior to ever logging in, their // displayEmail will be seeded from this value. const displayEmails: {[email: string]: string} = {}; // This will be our output. const users: {[email: string]: roles.NonGuestRole|null} = {}; for (const displayEmail of Object.keys(delta.users).sort()) { const email = normalizeEmail(displayEmail); const role = delta.users[displayEmail]; const key = displayEmails[email] = displayEmails[email] || displayEmail; users[key] = users[key] ? roles.getStrongestRole(users[key], role) : role; } delta.users = users; } // Looks up the emails in the permission delta and adds them to the users map in // the delta object. // Returns a QueryResult based on the validity of the passed in PermissionDelta object. private async _verifyAndLookupDeltaEmails( userId: number, delta: PermissionDelta, isOrg: boolean = false, transaction?: EntityManager ): Promise { if (!delta) { throw new ApiError('Bad request: missing permission delta', 400); } this._mergeIndistinguishableEmails(delta); const hasInherit = 'maxInheritedRole' in delta; const hasUsers = delta.users; // allow zero actual changes; useful to reduce special // cases in scripts if ((isOrg && (hasInherit || !hasUsers)) || (!isOrg && !hasInherit && !hasUsers)) { throw new ApiError('Bad request: invalid permission delta', 400); } // Lookup the email access changes and move them to the users object. const userIdMap: {[userId: string]: roles.NonGuestRole|null} = {}; if (hasInherit) { // Verify maxInheritedRole const role = delta.maxInheritedRole; const validRoles = new Set(this.defaultBasicGroupNames); if (role && !validRoles.has(role)) { throw new ApiError(`Invalid maxInheritedRole ${role}`, 400); } } if (delta.users) { // Verify roles const deltaRoles = Object.keys(delta.users).map(_userId => delta.users![_userId]); // Cannot set role "members" on workspace/doc. const validRoles = new Set(isOrg ? this.defaultNonGuestGroupNames : this.defaultBasicGroupNames); for (const role of deltaRoles) { if (role && !validRoles.has(role)) { throw new ApiError(`Invalid user role ${role}`, 400); } } // Lookup emails const emailMap = delta.users; const emails = Object.keys(emailMap); const emailUsers = await Promise.all( emails.map(async email => await this.getUserByLogin(email, undefined, transaction)) ); emails.forEach((email, i) => { const userIdAffected = emailUsers[i]!.id; // Org-level sharing with everyone would allow serious spamming - forbid it. if (emailMap[email] !== null && // allow removing anything userId !== this.getSupportUserId() && // allow support user latitude userIdAffected === this.getEveryoneUserId() && isOrg) { throw new ApiError('This user cannot share with everyone at top level', 403); } userIdMap[userIdAffected] = emailMap[email]; }); } if (userId in userIdMap) { // TODO: Consider when to allow updating own permissions - allowing updating own // permissions indiscriminately could lead to orphaned resources. throw new ApiError('Bad request: cannot update own permissions', 400); } return delta.users ? userIdMap : null; } /** * Helper for adjusting acl rules. Given an array of top-level groups from the resource * of interest, returns the updated groups. The returned groups should be saved to * update the group inheritance in the database. Updates the passed in groups. * * NOTE that all group memberUsers must be populated. */ private async _updateUserPermissions( groups: NonGuestGroup[], userDelta: UserIdDelta, manager: EntityManager ): Promise { // Get the user objects which map to non-null values in the userDelta. const userIds = Object.keys(userDelta).filter(userId => userDelta[userId]) .map(userIdStr => parseInt(userIdStr, 10)); const users = await this._getUsers(userIds, manager); // Add unaffected users to the delta so that we have a record of where they are. groups.forEach(grp => { grp.memberUsers.forEach(usr => { if (!(usr.id in userDelta)) { userDelta[usr.id] = grp.name; users.push(usr); } }); }); // Create mapping from group names to top-level groups (contain the inherited groups) const topGroups: {[groupName: string]: NonGuestGroup} = {}; groups.forEach(grp => { // Note that this has a side effect of resetting the memberUsers arrays. grp.memberUsers = []; topGroups[grp.name] = grp; }); // Add users to groups (this has a side-effect of updating the group memberUsers) users.forEach(user => { const groupName = userDelta[user.id]!; // NOTE that the special names constant is ordered from least to most permissive. // The destination must be a reserved inheritance group or null. if (groupName && !this.defaultNonGuestGroupNames.includes(groupName)) { throw new Error(`_updateUserPermissions userDelta contains invalid group`); } topGroups[groupName].memberUsers.push(user); }); } /** * Run an operation in an existing transaction if available, otherwise create * a new transaction for it. * * @param transaction: the manager of an existing transaction, or undefined. * @param op: the operation to run in a transaction. */ private _runInTransaction(transaction: EntityManager|undefined, op: (manager: EntityManager) => Promise): Promise { if (transaction) { return op(transaction); } return this._connection.transaction(op); } /** * Returns a Promise for an array of User entites for the given userIds. */ private async _getUsers(userIds: number[], optManager?: EntityManager): Promise { if (userIds.length === 0) { return []; } const manager = optManager || new EntityManager(this._connection); const queryBuilder = manager.createQueryBuilder() .select('users') .from(User, 'users') .where('users.id IN (:...userIds)', {userIds}); return await queryBuilder.getMany(); } /** * Aggregate the given columns as a json object. The keys should be simple * alphanumeric strings, and the values should be the names of sql columns - * this method is not set up to quote concrete values. */ private _aggJsonObject(content: {[key: string]: string}): string { const args = [...Object.keys(content).map(key => [`'${key}'`, content[key]])]; if (this._dbType === 'postgres') { return `json_agg(json_build_object(${args.join(',')}))`; } else { return `json_group_array(json_object(${args.join(',')}))`; } } private _docs(manager?: EntityManager) { return (manager || this._connection).createQueryBuilder() .select('docs') .from(Document, 'docs'); } /** * Construct a QueryBuilder for a select query on a specific doc given by urlId. * Provides options for running in a transaction and adding permission info. * See QueryOptions documentation above. * * In order to accept urlIds, the aliases, workspaces, and orgs tables are joined. */ private _doc(scope: DocScope, options: QueryOptions = {}): SelectQueryBuilder { const {urlId, userId} = scope; // Check if doc is being accessed with a merged org url. If so, // we will only filter urlId matches, and will allow docId matches // for team site documents. This is for backwards compatibility, // to support https://docs.getgrist.com/api/docs/ for team // site documents. const mergedOrg = this.isMergedOrg(scope.org || null); let query = this._docs(options.manager) .leftJoinAndSelect('docs.workspace', 'workspaces') .leftJoinAndSelect('workspaces.org', 'orgs') .leftJoinAndSelect('docs.aliases', 'aliases') .where(new Brackets(cond => { return cond .where('docs.id = :urlId', {urlId}) .orWhere(new Brackets(urlIdCond => { let urlIdQuery = urlIdCond .where('aliases.url_id = :urlId', {urlId}) .andWhere('aliases.org_id = orgs.id'); if (mergedOrg) { // Filter specifically for merged org documents. urlIdQuery = urlIdQuery.andWhere('orgs.owner_id is not null'); } return urlIdQuery; })); })); // TODO includeSupport should really be false, and the support for it should be removed. // (For this, example doc URLs should be under docs.getgrist.com rather than team domains.) // Add access information and query limits query = this._applyLimit(query, {...scope, includeSupport: true}, ['docs', 'workspaces', 'orgs']); if (options.markPermissions) { let effectiveUserId = userId; let threshold = options.markPermissions; if (options.allowSpecialPermit && scope.specialPermit && scope.specialPermit.docId) { query = query.andWhere('docs.id = :docId', {docId: scope.specialPermit.docId!}); effectiveUserId = this.getPreviewerUserId(); threshold = Permissions.VIEW; } // Compute whether we have access to the doc query = query.addSelect( this._markIsPermitted('docs', effectiveUserId, threshold), 'is_permitted' ); } return query; } private _workspaces(manager?: EntityManager) { return (manager || this._connection).createQueryBuilder() .select('workspaces') .from(Workspace, 'workspaces'); } /** * Construct "ON" clause for joining docs. This clause takes care of filtering * out any docs that are not to be listed due to soft deletion. This filtering * is done in the "ON" clause rather than in a "WHERE" clause since we still * want to list workspaces even if there are no docs within them. A "WHERE" clause * would entirely remove information about a workspace with no docs. The "ON" * clause, in combination with a "LEFT JOIN", preserves the workspace information * and just sets doc information to NULL. */ private _onDoc(scope: Scope) { const onDefault = 'docs.workspace_id = workspaces.id'; if (scope.showAll) { return onDefault; } else if (scope.showRemoved) { return `${onDefault} AND (workspaces.removed_at IS NOT NULL OR docs.removed_at IS NOT NULL)`; } else { return `${onDefault} AND (workspaces.removed_at IS NULL AND docs.removed_at IS NULL)`; } } /** * Construct a QueryBuilder for a select query on a specific workspace given by * wsId. Provides options for running in a transaction and adding permission info. * See QueryOptions documentation above. */ private _workspace(scope: Scope, wsId: number, options: QueryOptions = {}): SelectQueryBuilder { let query = this._workspaces(options.manager) .where('workspaces.id = :wsId', {wsId}); if (options.markPermissions) { let effectiveUserId = scope.userId; let threshold = options.markPermissions; if (options.allowSpecialPermit && scope.specialPermit && scope.specialPermit.workspaceId === wsId) { effectiveUserId = this.getPreviewerUserId(); threshold = Permissions.VIEW; } // Compute whether we have access to the doc query = query.addSelect( this._markIsPermitted('workspaces', effectiveUserId, threshold), 'is_permitted' ); } return query; } private _orgs(manager?: EntityManager) { return (manager || this._connection).createQueryBuilder() .select('orgs') .from(Organization, 'orgs'); } // Adds a where clause to filter orgs by domain or id. // If org is null, filter for user's personal org. // if includeSupport is true, include the org of the support@ user (for the Samples workspace) private _whereOrg(qb: T, org: string|number, includeSupport = false): T { if (this.isMergedOrg(org)) { // Select from universe of personal orgs. // Don't panic though! While this means that SQL can't use an organization id // to narrow down queries, it will still be filtering via joins against the user and // groups the user belongs to. qb = qb.andWhere('orgs.owner_id is not null'); return qb; } // Always include the org of the support@ user, which contains the Samples workspace, // which we always show. (For isMergedOrg case, it's already included.) if (includeSupport) { const supportId = this._specialUserIds[SUPPORT_EMAIL]; return qb.andWhere(new Brackets((q) => this._wherePlainOrg(q, org).orWhere('orgs.owner_id = :supportId', {supportId}))); } else { return this._wherePlainOrg(qb, org); } } private _wherePlainOrg(qb: T, org: string|number): T { if (typeof org === 'number') { return qb.andWhere('orgs.id = :org', {org}); } if (org.startsWith(`docs-${this._idPrefix}`)) { // this is someone's personal org const ownerId = org.split(`docs-${this._idPrefix}`)[1]; qb = qb.andWhere('orgs.owner_id = :ownerId', {ownerId}); } else if (org.startsWith(`o-${this._idPrefix}`)) { // this is an org identified by org id const orgId = org.split(`o-${this._idPrefix}`)[1]; qb = qb.andWhere('orgs.id = :orgId', {orgId}); } else { // this is a regular domain qb = qb.andWhere('orgs.domain = :org', {org}); } return qb; } private _withAccess(qb: SelectQueryBuilder, users: AvailableUsers, table: 'orgs'|'workspaces'|'docs') { return qb .addSelect(this._markIsPermitted(table, users, null), `${table}_permissions`); } /** * Filter for orgs for which the user is a member of a group (or which are shared * with "everyone@"). For access to workspaces and docs, we rely on the fact that * the user will be added to a guest group at the organization level. * * If AvailableUsers is a profile list, we do NOT include orgs accessible * via "everyone@" (this affects the "api/session/access/all" endpoint). * * Otherwise, orgs shared with "everyone@" are candidates for inclusion. * If an orgKey is supplied, it is the only org which will be considered * for inclusion on the basis of sharing with "everyone@". TODO: consider * whether this wrinkle is needed anymore, or can be safely removed. */ private _filterByOrgGroups(qb: SelectQueryBuilder, users: AvailableUsers, orgKey: string|number|null = null) { qb = qb .leftJoin('orgs.aclRules', 'acl_rules') .leftJoin('acl_rules.group', 'groups') .leftJoin('groups.memberUsers', 'members'); if (isSingleUser(users)) { // Add an exception for the previewer user, if present. const previewerId = this._specialUserIds[PREVIEWER_EMAIL]; if (users === previewerId) { return qb; } const everyoneId = this._specialUserIds[EVERYONE_EMAIL]; return qb.andWhere(new Brackets(cond => { // Accept direct membership, or via a share with "everyone@". return cond .where('members.id = :userId', {userId: users}) .orWhere(new Brackets(everyoneCond => { const everyoneQuery = everyoneCond.where('members.id = :everyoneId', {everyoneId}); return orgKey ? this._whereOrg(everyoneQuery, orgKey) : everyoneQuery; })); })); } // The user hasn't been narrowed down to one choice, so join against logins and // check normalized email. const emails = new Set(users.map(profile => normalizeEmail(profile.email))); // Empty list needs to be special-cased since "in ()" isn't supported in postgres. if (emails.size === 0) { return qb.andWhere('1 = 0'); } return qb .leftJoin('members.logins', 'memberLogins') .andWhere('memberLogins.email in (:...emails)', {emails: [...emails]}); } private _single(result: QueryResult) { if (result.status === 200) { // TODO: assert result is really singular. result.data = result.data[0]; } return result; } /** * Helper for adjusting acl inheritance rules. Given an array of top-level groups from the * resource of interest, and an array of inherited groups belonging to the parent resource, * moves the inherited groups to the group with the destination name or lower, if their * permission level is lower. If the destination group name is omitted, the groups are * moved to their original inheritance locations. If the destination group name is null, * the groups are all removed and there is no access inheritance to this resource. * Returns the updated array of top-level groups. These returned groups should be saved * to update the group inheritance in the database. * * For all passed-in groups, their .memberGroups will be reset. For * the basic roles (owner | editor | viewer), these will get updated * to include inheritedGroups, with roles reduced to dest when dest * is given. All of the basic roles must be present among * groups. Any non-basic roles present among inheritedGroups will be * ignored. * * Does not modify inheritedGroups. */ private _moveInheritedGroups( groups: NonGuestGroup[], inheritedGroups: Group[], dest?: roles.BasicRole|null ): void { // Limit scope to those inheritedGroups that have basic roles (viewers, editors, owners). inheritedGroups = inheritedGroups.filter(group => roles.isBasicRole(group.name)); // NOTE that the special names constant is ordered from least to most permissive. const reverseDefaultNames = this.defaultBasicGroupNames.reverse(); // The destination must be a reserved inheritance group or null. if (dest && !reverseDefaultNames.includes(dest)) { throw new Error('moveInheritedGroups called with invalid destination name'); } // Mapping from group names to top-level groups const topGroups: {[groupName: string]: NonGuestGroup} = {}; groups.forEach(grp => { // Note that this has a side effect of initializing the memberGroups arrays. grp.memberGroups = []; topGroups[grp.name] = grp; }); // The destFunc maps from an inherited group to its required top-level group name. const destFunc = (inherited: Group) => dest === null ? null : reverseDefaultNames.find(sp => sp === inherited.name || sp === dest); // Place inherited groups (this has the side-effect of updating member groups) inheritedGroups.forEach(grp => { if (!roles.isBasicRole(grp.name)) { // We filtered out such groups at the start of this method, but just in case... throw new Error(`${grp.name} is not an inheritable group`); } const moveTo = destFunc(grp); if (moveTo) { topGroups[moveTo].memberGroups.push(grp); } }); } /** * Returns a name to group mapping for the standard groups. Useful when adding a new child * entity. Finds and includes the correct parent groups as member groups. */ private _createGroups(inherit?: Organization|Workspace): {[name: string]: Group} { const groupMap: {[name: string]: Group} = {}; this.defaultGroups.forEach(groupProps => { if (!groupProps.orgOnly || !inherit) { // Skip this group if it's an org only group and the resource inherits from a parent. const group = new Group(); group.name = groupProps.name as roles.Role; if (inherit) { this._setInheritance(group, inherit); } groupMap[groupProps.name] = group; } }); return groupMap; } // Sets the given group to inherit the groups in the given parent resource. private _setInheritance(group: Group, parent: Organization|Workspace) { // Add the parent groups to the group const groupProps = this.defaultGroups.find(special => special.name === group.name); if (!groupProps) { throw new Error(`Non-standard group passed to _addInheritance: ${group.name}`); } if (groupProps.nestParent) { const parentGroups = (parent.aclRules as AclRule[]).map((_aclRule: AclRule) => _aclRule.group); const inheritGroup = parentGroups.find((_parentGroup: Group) => _parentGroup.name === group.name); if (!inheritGroup) { throw new Error(`Special group ${group.name} not found in ${parent.name} for inheritance`); } group.memberGroups = [inheritGroup]; } } // Return a QueryResult reflecting the output of a query builder. // If a rawQueryBuilder is supplied, it is used to make the query, // but then the original queryBuilder is used to interpret the results // as entities (make sure the two queries give results in the same format!) // Checks on all "permissions" fields which select queries set on // resources to indicate whether the user has access. // If the output is empty, and `emptyAllowed` is not set, we signal that the desired // resource does not exist (404). // If the overall permissions do not allow viewing, we signal that the resource is forbidden. // Access fields are added to all entities giving the group name corresponding // with the access level of the user. // Returns the resource fetched by the queryBuilder. private async _verifyAclPermissions( queryBuilder: SelectQueryBuilder, options: { rawQueryBuilder?: SelectQueryBuilder, emptyAllowed?: boolean, scope?: Scope, } = {} ): Promise> { const results = await (options.rawQueryBuilder ? getRawAndEntities(options.rawQueryBuilder, queryBuilder) : queryBuilder.getRawAndEntities()); if (results.entities.length === 0 || (results.entities.length === 1 && results.entities[0].filteredOut)) { if (options.emptyAllowed) { return {status: 200, data: []}; } return {errMessage: `${getFrom(queryBuilder)} not found`, status: 404}; } const resources = this._normalizeQueryResults(results.entities, { scope: options.scope, }); if (resources.length === 0 && !options.emptyAllowed) { return {errMessage: "access denied", status: 403}; } else { return { status: 200, data: resources }; } } // Normalize query results in the following ways: // * Convert `permissions` fields to summary `access` fields. // * Set appropriate `domain` fields for personal organizations. // * Include `billingAccount` field only for a billing account manager. // * Replace `user.logins` objects with user.email and user.anonymous. // * Collapse fields from nested `manager.user` objects into the surrounding // `manager` objects. // // Find any nested entities with a "permissions" field, and add to them an // "access" field (if the permission is a simple number) or an "accessOptions" // field (if the permission is json). Entities in a list that the user doesn't // have the right to access may be removed. // * They are removed for workspaces in orgs. // * They are not removed for docs in workspaces, if user has right to delete // the workspace. // // When returning organizations, set the domain to docs-${userId} for personal orgs. // We could also have simply stored that domain in the database, but have kept // them out for now, for the flexibility to change how we want these kinds of orgs // to be presented without having to do awkward migrations. // // The suppressDomain option ensures that any organization domains are given // in ugly o-NNNN form. private _normalizeQueryResults(value: any, options: { suppressDomain?: boolean, scope?: Scope, parentPermissions?: number, } = {}): any { // We only need to examine objects, excluding null. if (typeof value !== 'object' || value === null) { return value; } // For arrays, add access information and remove anything user should not see. if (Array.isArray(value)) { const items = value.map(v => this._normalizeQueryResults(v, options)); // If the items are not workspaces, and the user can delete their parent, then // ignore the user's access level when deciding whether to filter them out or // to keep them. const ignoreAccess = options.parentPermissions && (options.parentPermissions & Permissions.REMOVE) && // tslint:disable-line:no-bitwise items.length > 0 && !items[0].docs; return items.filter(v => !this._isForbidden(v, Boolean(ignoreAccess), options.scope)); } // For hashes, iterate through key/values, adding access info if 'permissions' field is found. if (value.billingAccount) { // This is an organization with billing account information available. Check limits. const org = value as Organization; const features = org.billingAccount.product.features; if (!features.vanityDomain) { // Vanity domain not allowed for this org. options = {...options, suppressDomain: true}; } } const permissions = (typeof value.permissions === 'number') ? value.permissions : undefined; const childOptions = { ...options, parentPermissions: permissions }; for (const key of Object.keys(value)) { const subValue = value[key]; // When returning organizations, set the domain to docs-${userId} for personal orgs. // We could also have simply stored that domain in the database. I'd prefer to keep // them out for now, for the flexibility to change how we want these kinds of orgs // to be presented without having to do awkward migrations. if (key === 'domain') { value[key] = this.normalizeOrgDomain(value.id, subValue, value.owner && value.owner.id, false, options.suppressDomain); continue; } if (key === 'billingAccount') { if (value[key].managers) { value[key].isManager = Boolean(value[key].managers.length); delete value[key].managers; } continue; } if (key === 'logins') { const logins = subValue; delete value[key]; if (logins.length !== 1) { throw new ApiError('Cannot find unique login for user', 500); } value.email = logins[0].displayEmail; value.anonymous = (logins[0].userId === this.getAnonymousUserId()); continue; } if (key === 'managers') { const managers = this._normalizeQueryResults(subValue, childOptions); for (const manager of managers) { if (manager.user) { Object.assign(manager, manager.user); delete manager.user; } } value[key] = managers; continue; } if (key === 'prefs' && Array.isArray(subValue)) { delete value[key]; const prefs = this._normalizeQueryResults(subValue, childOptions); for (const pref of prefs) { if (pref.orgId && pref.userId) { value.userOrgPrefs = pref.prefs; } else if (pref.orgId) { value.orgPrefs = pref.prefs; } else if (pref.userId) { value.userPrefs = pref.prefs; } } continue; } if (key !== 'permissions') { value[key] = this._normalizeQueryResults(subValue, childOptions); continue; } if (typeof subValue === 'number' || !subValue) { // Find the first special group for which the user has all permissions. value.access = this._getRoleFromPermissions(subValue || 0); if (subValue & Permissions.PUBLIC) { // tslint:disable-line:no-bitwise value.public = true; } } else { // Resource may be accessed by multiple users, encoded in JSON. const accessOptions: AccessOption[] = readJson(this._dbType, subValue); value.accessOptions = accessOptions.map(option => ({ access: this._getRoleFromPermissions(option.perms), ...option })); } delete value.permissions; // permissions is not specified in the api, so we drop it. } return value; } // entity is forbidden if it contains an access field set to null, or an accessOptions field // that is the empty list. private _isForbidden(entity: any, ignoreAccess: boolean, scope?: Scope): boolean { if (!entity) { return false; } if (entity.filteredOut) { return true; } // Specifically for workspaces (as determined by having a "docs" field): // if showing trash, and the workspace looks empty, and the workspace is itself // not marked as trash, then filter it out. This situation can arise when there is // a trash doc in a workspace that the user does not have access to, and also a // doc that the user does have access to. if (entity.docs && scope?.showRemoved && entity.docs.length === 0 && !entity.removedAt) { return true; } if (ignoreAccess) { return false; } if (entity.access === null) { return true; } if (!entity.accessOptions) { return false; } return entity.accessOptions.length === 0; } // Returns the most permissive default role that does not have more permissions than the passed // in argument. private _getRoleFromPermissions(permissions: number): roles.Role|null { permissions &= ~Permissions.PUBLIC; // tslint:disable-line:no-bitwise const group = this.defaultBasicGroups.find(grp => (permissions & grp.permissions) === grp.permissions); // tslint:disable-line:no-bitwise return group ? group.name : null; } // Returns the maxInheritedRole group name set on a resource. // The resource's aclRules, groups, and memberGroups must be populated. private _getMaxInheritedRole(res: Workspace|Document): roles.BasicRole|null { const groups = (res.aclRules as AclRule[]).map((_aclRule: AclRule) => _aclRule.group); let maxInheritedRole: roles.NonGuestRole|null = null; for (const name of this.defaultBasicGroupNames) { const group = groups.find(_grp => _grp.name === name); if (!group) { throw new Error(`Error in _getMaxInheritedRole: group ${name} not found in ${res.name}`); } if (group.memberGroups.length > 0) { maxInheritedRole = name; break; } } return roles.getEffectiveRole(maxInheritedRole); } /** * Return a query builder to check if we have access to the given resource. * Tests the given permission-level access, defaulting to view permission. * @param resType: type of resource (table name) * @param userId: id of user accessing the resource * @param permissions: permission to test for - if null, we return the permissions */ private _markIsPermitted( resType: 'orgs'|'workspaces'|'docs', users: AvailableUsers, permissions: Permissions|null = Permissions.VIEW ): (qb: SelectQueryBuilder) => SelectQueryBuilder { const idColumn = resType.slice(0, -1) + "_id"; return qb => { const getBasicPermissions = (q: SelectQueryBuilder) => { if (permissions !== null) { q = q.select('acl_rules.permissions'); } else { const everyoneId = this._specialUserIds[EVERYONE_EMAIL]; const anonId = this._specialUserIds[ANONYMOUS_USER_EMAIL]; // Overall permissions are the bitwise-or of all individual // permissions from ACL rules. We also include // Permissions.PUBLIC if any of the ACL rules are for the // public (shared with everyone@ or anon@). This could be // optimized if we eliminate one of those users. The guN // aliases are joining in _getUsersAcls, and refer to the // group_users table at different levels of nesting. q = q.select( bitOr(this._dbType, `(acl_rules.permissions | (case when ` + `${everyoneId} IN (gu0.user_id, gu1.user_id, gu2.user_id, gu3.user_id) OR ` + `${anonId} IN (gu0.user_id, gu1.user_id, gu2.user_id, gu3.user_id) ` + `then ${Permissions.PUBLIC} else 0 end))`, 8), 'permissions'); } q = q.from('acl_rules', 'acl_rules'); q = this._getUsersAcls(q, users); q = q.andWhere(`acl_rules.${idColumn} = ${resType}.id`); if (permissions !== null) { q = q.andWhere(`(acl_rules.permissions & ${permissions}) = ${permissions}`).limit(1); } else if (!isSingleUser(users)) { q = q.addSelect('profiles.id'); q = q.addSelect('profiles.display_email'); q = q.addSelect('profiles.name'); // anything we select without aggregating, we must also group by (postgres is fussy // about this) q = q.groupBy('profiles.id'); q = q.addGroupBy('profiles.display_email'); q = q.addGroupBy('profiles.name'); } return q; }; if (isSingleUser(users)) { return getBasicPermissions(qb.subQuery()); } else { return qb.subQuery() .from(subQb => getBasicPermissions(subQb.subQuery()), 'options') .select(this._aggJsonObject({id: 'options.id', email: 'options.display_email', perms: 'options.permissions', name: 'options.name'})); } }; } // Takes a query that includes acl_rules, and filters for just those acl_rules that apply // to the user, either directly or via up to three layers of nested groups. Two layers are // sufficient for our current ACL setup. A third is added as a low-cost preparation // for implementing something like teams in the future. It has no measurable effect on // speed. private _getUsersAcls(qb: SelectQueryBuilder, users: AvailableUsers) { // Every acl_rule is associated with a single group. A user may // be a direct member of that group, via the group_users table. // Or they may be a member of a group that is a member of that // group, via group_groups. Or they may be even more steps // removed. We unroll to a fixed number of steps, and use joins // rather than a recursive query, since we need this step to be as // fast as possible. qb = qb // filter for the specified user being a direct or indirect member of the acl_rule's group .where(new Brackets(cond => { if (isSingleUser(users)) { // Users is an integer, so ok to insert into sql. It we // didn't, we'd need to use distinct parameter names, since // we may include this code with different user ids in the // same query cond = cond.where(`gu0.user_id = ${users}`); cond = cond.orWhere(`gu1.user_id = ${users}`); cond = cond.orWhere(`gu2.user_id = ${users}`); cond = cond.orWhere(`gu3.user_id = ${users}`); // Support the special "everyone" user. const everyoneId = this._specialUserIds[EVERYONE_EMAIL]; cond = cond.orWhere(`gu0.user_id = ${everyoneId}`); cond = cond.orWhere(`gu1.user_id = ${everyoneId}`); cond = cond.orWhere(`gu2.user_id = ${everyoneId}`); cond = cond.orWhere(`gu3.user_id = ${everyoneId}`); // Add an exception for the previewer user, if present. const previewerId = this._specialUserIds[PREVIEWER_EMAIL]; if (users === previewerId) { // All acl_rules granting view access are available to previewer user. cond = cond.orWhere('acl_rules.permissions = :permission', {permission: Permissions.VIEW}); } } else { cond = cond.where('gu0.user_id = profiles.id'); cond = cond.orWhere('gu1.user_id = profiles.id'); cond = cond.orWhere('gu2.user_id = profiles.id'); cond = cond.orWhere('gu3.user_id = profiles.id'); } return cond; })); if (!isSingleUser(users)) { // We need to join against a list of users. const emails = new Set(users.map(profile => normalizeEmail(profile.email))); if (emails.size > 0) { // the 1 = 1 on clause seems the shortest portable way to do a cross join in postgres // and sqlite via typeorm. qb = qb.leftJoin('(select users.id, display_email, email, name from users inner join logins ' + 'on users.id = logins.user_id where logins.email in (:...emails))', 'profiles', '1 = 1'); qb = qb.setParameter('emails', [...emails]); } else { // Add a dummy user with id 0, for simplicity. This user will // not match any group. The casts are needed for a postgres 9.5 issue // where type inference fails (we use 9.5 on jenkins). qb = qb.leftJoin(`(select 0 as id, cast('none' as text) as display_email, ` + `cast('none' as text) as email, cast('none' as text) as name)`, 'profiles', '1 = 1'); } } // join the relevant groups and subgroups return qb .leftJoin('group_groups', 'gg1', 'gg1.group_id = acl_rules.group_id') .leftJoin('group_groups', 'gg2', 'gg2.group_id = gg1.subgroup_id') .leftJoin('group_groups', 'gg3', 'gg3.group_id = gg2.subgroup_id') // join the users in the relevant groups and subgroups. .leftJoin('group_users', 'gu3', 'gg3.subgroup_id = gu3.group_id') .leftJoin('group_users', 'gu2', 'gg2.subgroup_id = gu2.group_id') .leftJoin('group_users', 'gu1', 'gg1.subgroup_id = gu1.group_id') .leftJoin('group_users', 'gu0', 'acl_rules.group_id = gu0.group_id'); } // Apply limits to the query. Results should be limited to a specific org // if request is from a branded webpage; results should be limited to a // specific user or set of users. private _applyLimit(qb: SelectQueryBuilder, limit: Scope, resources: Array<'docs'|'workspaces'|'orgs'>): SelectQueryBuilder { if (limit.org) { // Filtering on merged org is a special case, see urlIdQuery const mergedOrg = this.isMergedOrg(limit.org || null); if (!mergedOrg) { qb = this._whereOrg(qb, limit.org, limit.includeSupport || false); } } if (limit.users || limit.userId) { for (const res of resources) { qb = this._withAccess(qb, limit.users || limit.userId, res); } } if (resources.includes('docs') && resources.includes('workspaces') && !limit.showAll) { // Add Workspace.filteredOut column that is set for workspaces that should be filtered out. // We don't use a WHERE clause directly since this would leave us unable to distinguish // an empty result from insufficient access; and there's no straightforward way to do // what we want in an ON clause. // Filter out workspaces only if there are no docs in them (The "ON" clause from // _onDocs will have taken care of including the right docs). If there are docs, // then include the workspace regardless of whether it itself has been soft-deleted // or not. // TODO: if getOrgWorkspaces and getWorkspace were restructured to make two queries // rather than a single query, this trickiness could be eliminated. if (limit.showRemoved) { qb = qb.addSelect('docs.id IS NULL AND workspaces.removed_at IS NULL', 'workspaces_filtered_out'); } else { qb = qb.addSelect('docs.id IS NULL AND workspaces.removed_at IS NOT NULL', 'workspaces_filtered_out'); } } return qb; } // Filter out all personal orgs, and add back in a single merged org. private _mergePersonalOrgs(userId: number, orgs: Organization[]): Organization[] { const regularOrgs = orgs.filter(org => org.owner === null); const personalOrg = orgs.find(org => org.owner && org.owner.id === userId); if (!personalOrg) { return regularOrgs; } personalOrg.id = 0; personalOrg.domain = this.mergedOrgDomain(); return [personalOrg].concat(regularOrgs); } // Check if shares are about to exceed a limit, and emit a meaningful // ApiError if so. // If checkChange is set, issue an error only if a new share is being // made. private _restrictShares(role: roles.NonGuestRole|null, limit: number, before: User[], after: User[], checkChange: boolean, kind: string, features: Features) { const existingUserIds = new Set(before.map(user => user.id)); // Do not emit error if users are not added, even if the number is past the limit. if (after.length > limit && (!checkChange || after.some(user => !existingUserIds.has(user.id)))) { const more = limit > 0 ? ' more' : ''; throw new ApiError( checkChange ? `No${more} external ${kind} ${role || 'shares'} permitted` : `Too many external ${kind} ${role || 'shares'}`, 403, { limit: { quantity: 'collaborators', subquantity: role || undefined, maximum: limit, value: before.length, projectedValue: after.length }, tips: canAddOrgMembers(features) ? [{ action: 'add-members', message: 'add users as team members to the site first' }] : [{ action: 'upgrade', message: 'pay for more team members' }] }); } } // Check if document shares exceed any of the share limits, and emit a meaningful // ApiError if so. If both membersBefore and membersAfter are specified, fail // only if a new share is being added, but otherwise don't complain even if limits // are exceeded. If only membersBefore is specified, fail strictly if limits are // exceeded. private _restrictAllDocShares(features: Features, nonOrgMembersBefore: Map, nonOrgMembersAfter: Map, checkChange: boolean = true) { // Apply a limit to document shares that is not specific to a particular role. if (features.maxSharesPerDoc !== undefined) { this._restrictShares(null, features.maxSharesPerDoc, removeRole(nonOrgMembersBefore), removeRole(nonOrgMembersAfter), checkChange, 'document', features); } if (features.maxSharesPerDocPerRole) { for (const role of this.defaultBasicGroupNames) { const limit = features.maxSharesPerDocPerRole[role]; if (limit === undefined) { continue; } // Apply a per-role limit to document shares. this._restrictShares(role, limit, nonOrgMembersBefore.get(role) || [], nonOrgMembersAfter.get(role) || [], checkChange, 'document', features); } } } // Throw an error if there's no room for adding another document. private async _checkRoomForAnotherDoc(workspace: Workspace, manager: EntityManager) { const features = workspace.org.billingAccount.product.features; if (features.maxDocsPerOrg !== undefined) { // we need to count how many docs are in the current org, and if we // are already at or above the limit, then fail. const wss = this.unwrapQueryResult(await this.getOrgWorkspaces({userId: this.getPreviewerUserId()}, workspace.org.id, {manager})); const count = wss.map(ws => ws.docs.length).reduce((a, b) => a + b, 0); if (count >= features.maxDocsPerOrg) { throw new ApiError('No more documents permitted', 403, { limit: { quantity: 'docs', maximum: features.maxDocsPerOrg, value: count, projectedValue: count + 1 } }); } } } // For the moment only the support user can add both everyone@ and anon@ to a // resource, since that allows spam. TODO: enhance or remove. private _checkUserChangeAllowed(userId: number, groups: Group[]) { if (userId === this.getSupportUserId()) { return; } const ids = new Set(flatten(groups.map(g => g.memberUsers)).map(u => u.id)); if (ids.has(this.getEveryoneUserId()) && ids.has(this.getAnonymousUserId())) { throw new Error('this user cannot share with everyone and anonymous'); } } // Fetch a Document with all access information loaded. Make sure the user has the // specified permissions on the doc. The Document's organization will have product // feature information loaded also. private async _loadDocAccess(scope: DocScope, markPermissions: Permissions, transaction?: EntityManager): Promise { return await this._runInTransaction(transaction, async manager => { const docQuery = this._doc(scope, {manager, markPermissions}) // Join the doc's ACL rules and groups/users so we can edit them. .leftJoinAndSelect('docs.aclRules', 'acl_rules') .leftJoinAndSelect('acl_rules.group', 'doc_groups') .leftJoinAndSelect('doc_groups.memberUsers', 'doc_group_users') .leftJoinAndSelect('doc_groups.memberGroups', 'doc_group_groups') .leftJoinAndSelect('doc_group_users.logins', 'doc_user_logins') // Join the workspace so we know what should be inherited. We will join // the workspace member groups/users as a separate query, since // SQL results are flattened, and multiplying the number of rows we have already // by the number of workspace users could get excessive. .leftJoinAndSelect('docs.workspace', 'workspace'); const queryResult = await verifyIsPermitted(docQuery); const doc: Document = this.unwrapQueryResult(queryResult); // Load the workspace's member groups/users. const workspaceQuery = this._workspace(scope, doc.workspace.id, {manager}) .leftJoinAndSelect('workspaces.aclRules', 'workspace_acl_rules') .leftJoinAndSelect('workspace_acl_rules.group', 'workspace_groups') .leftJoinAndSelect('workspace_groups.memberUsers', 'workspace_group_users') .leftJoinAndSelect('workspace_groups.memberGroups', 'workspace_group_groups') .leftJoinAndSelect('workspace_group_users.logins', 'workspace_user_logins') // We'll need the org as well. We will join its members as a separate query, since // SQL results are flattened, and multiplying the number of rows we have already // by the number of org users could get excessive. .leftJoinAndSelect('workspaces.org', 'org'); doc.workspace = (await workspaceQuery.getOne())!; // Load the org's member groups/users. let orgQuery = this.org(scope, doc.workspace.org.id, {manager}) .leftJoinAndSelect('orgs.aclRules', 'org_acl_rules') .leftJoinAndSelect('org_acl_rules.group', 'org_groups') .leftJoinAndSelect('org_groups.memberUsers', 'org_group_users') .leftJoinAndSelect('org_group_users.logins', 'org_user_logins'); orgQuery = this._addFeatures(orgQuery); doc.workspace.org = (await orgQuery.getOne())!; return doc; }); } // Emit an event indicating that the count of users with access to the org has changed, with // the customerId and the updated number of users. // The org argument must include the billingAccount. private _userChangeNotification( userId: number, org: Organization, // Must include billingAccount countBefore: number, countAfter: number, membersBefore: Map, membersAfter: Map ) { return () => { const customerId = org.billingAccount.stripeCustomerId; const change: UserChange = {userId, org, customerId, countBefore, countAfter, membersBefore, membersAfter}; this.emit('userChange', change); }; } // Create a notification function that emits an event when users may have been added to a resource. private _inviteNotification(userId: number, resource: Organization|Workspace|Document, userIdDelta: UserIdDelta, membersBefore: Map): () => void { return () => this.emit('addUser', userId, resource, userIdDelta, membersBefore); } // Given two arrays of groups, returns a map of users present in the first array but // not the second, where the map is broken down by user role. // This method is used for checking limits on shares. // Excluded users are removed from the results. private _getUserDifference(groupsA: Group[], groupsB: Group[]): Map { const subtractSet: Set = new Set(flatten(groupsB.map(grp => grp.memberUsers)).map(usr => usr.id)); const result = new Map(); for (const group of groupsA) { const name = group.name; if (!roles.isNonGuestRole(name)) { continue; } result.set(name, group.memberUsers.filter(user => !subtractSet.has(user.id))); } return this._withoutExcludedUsers(result); } private _withoutExcludedUsers(members: Map): Map { const excludedUsers = this.getExcludedUserIds(); for (const [role, users] of members.entries()) { members.set(role, users.filter((user) => !excludedUsers.includes(user.id))); } return members; } private _billingManagerNotification(userId: number, addUserId: number, orgs: Organization[]) { return () => { this.emit('addBillingManager', userId, addUserId, orgs); }; } private _teamCreatorNotification(userId: number) { return () => { this.emit('teamCreator', userId); }; } /** * Check for anonymous user, either encoded directly as an id, or as a singular * profile (this case arises during processing of the session/access/all endpoint * whether we are checking for available orgs without committing yet to a particular * choice of user). */ private _isAnonymousUser(users: AvailableUsers): boolean { return isSingleUser(users) ? users === this.getAnonymousUserId() : users.length === 1 && normalizeEmail(users[0].email) === ANONYMOUS_USER_EMAIL; } // Set Workspace.removedAt to null (undeletion) or to a datetime (soft deletion) private _setWorkspaceRemovedAt(scope: Scope, wsId: number, removedAt: Date|null) { return this._connection.transaction(async manager => { const wsQuery = this._workspace({...scope, showAll: true}, wsId, { manager, markPermissions: Permissions.REMOVE }); const workspace: Workspace = this.unwrapQueryResult(await verifyIsPermitted(wsQuery)); await manager.createQueryBuilder() .update(Workspace).set({removedAt}).where({id: workspace.id}) .execute(); }); } // Set Document.removedAt to null (undeletion) or to a datetime (soft deletion) private _setDocumentRemovedAt(scope: DocScope, removedAt: Date|null) { return this._connection.transaction(async manager => { let docQuery = this._doc({...scope, showAll: true}, { manager, markPermissions: Permissions.REMOVE }); if (!removedAt) { docQuery = this._addFeatures(docQuery); // pull in billing information for doc count limits } const doc: Document = this.unwrapQueryResult(await verifyIsPermitted(docQuery)); if (!removedAt) { await this._checkRoomForAnotherDoc(doc.workspace, manager); } await manager.createQueryBuilder() .update(Document).set({removedAt}).where({id: doc.id}) .execute(); }); } } // Return a QueryResult reflecting the output of a query builder. // Checks on the "is_permitted" field which select queries set on resources to // indicate whether the user has access. // If the output is empty, we signal that the desired resource does not exist. // If the "is_permitted" field is falsy, we signal that the resource is forbidden. // Returns the resource fetched by the queryBuilder. async function verifyIsPermitted( queryBuilder: SelectQueryBuilder ): Promise> { const results = await queryBuilder.getRawAndEntities(); if (results.entities.length === 0) { return { status: 404, errMessage: `${getFrom(queryBuilder)} not found` }; } else if (results.entities.length > 1) { return { status: 400, errMessage: `ambiguous ${getFrom(queryBuilder)} request` }; } else if (!results.raw[0].is_permitted) { return { status: 403, errMessage: "access denied" }; } return { status: 200, data: results.entities[0] }; } // Returns all first-level memberUsers in the resources. Requires all resources' aclRules, groups // and memberUsers to be populated. // If optRoles is provided, only checks membership in resource groups with the given roles. function getResourceUsers(res: Resource|Resource[], optRoles?: string[]): User[] { res = Array.isArray(res) ? res : [res]; const users: {[uid: string]: User} = {}; let resAcls: AclRule[] = flatten(res.map(_res => _res.aclRules as AclRule[])); if (optRoles) { resAcls = resAcls.filter(_acl => optRoles.includes(_acl.group.name)); } resAcls.forEach((aclRule: AclRule) => { aclRule.group.memberUsers.forEach((u: User) => users[u.id] = u); }); const userList = Object.keys(users).map(uid => users[uid]); userList.sort((a, b) => a.id - b.id); return userList; } // Returns a map of userIds to the user's strongest default role on the given resource. // The resource's aclRules, groups, and memberUsers must be populated. function getMemberUserRoles(res: Resource, allowRoles: T[]): {[userId: string]: T} { // Add the users to a map to ensure uniqueness. (A user may be present in // more than one group) const userMap: {[userId: string]: T} = {}; (res.aclRules as AclRule[]).forEach((aclRule: AclRule) => { const role = aclRule.group.name as T; if (allowRoles.includes(role)) { // Map the users to remove sensitive information from the result and // to add the group names. aclRule.group.memberUsers.forEach((u: User) => { // If the user is already present in another group, use the more // powerful role name. userMap[u.id] = userMap[u.id] ? roles.getStrongestRole(userMap[u.id], role) : role; }); } }); return userMap; } // Extract a human-readable name for the type of entity being selected. function getFrom(queryBuilder: SelectQueryBuilder): string { const alias = queryBuilder.expressionMap.mainAlias; return (alias && alias.metadata && alias.metadata.name.toLowerCase()) || 'resource'; } // Flatten a map of users per role into a simple list of users. function removeRole(usersWithRoles: Map) { return flatten([...usersWithRoles.values()]); } function getNonGuestGroups(entity: Organization|Workspace|Document): NonGuestGroup[] { return (entity.aclRules as AclRule[]).map(aclRule => aclRule.group).filter(isNonGuestGroup); } // Returns a map of users indexed by their roles. Optionally excludes users whose ids are in // excludeUsers. function getUsersWithRole(groups: NonGuestGroup[], excludeUsers?: number[]): Map { const members = new Map(); for (const group of groups) { let users = group.memberUsers; if (excludeUsers) { users = users.filter((user) => !excludeUsers.includes(user.id)); } members.set(group.name, users); } return members; } export async function makeDocAuthResult(docPromise: Promise): Promise { try { const doc = await docPromise; const removed = Boolean(doc.removedAt || doc.workspace.removedAt); return {docId: doc.id, access: doc.access, removed}; } catch (error) { return {docId: null, access: null, removed: null, error}; } } /** * Extracts DocAuthKey information from scope. This includes everything needed to * identify the document to access. Throws if information is not present. */ export function getDocAuthKeyFromScope(scope: Scope): DocAuthKey { const {urlId, userId, org} = scope; if (!urlId) { throw new Error('document required'); } return {urlId, userId, org}; }