gristlabs_grist-core/app/client/aclui/AccessRules.ts

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/**
* UI for managing granular ACLs.
*/
import {aclColumnList} from 'app/client/aclui/ACLColumnList';
import {aclFormulaEditor} from 'app/client/aclui/ACLFormulaEditor';
import {aclMemoEditor} from 'app/client/aclui/ACLMemoEditor';
import {aclSelect} from 'app/client/aclui/ACLSelect';
import {ACLUsersPopup} from 'app/client/aclui/ACLUsers';
import {PermissionKey, permissionsWidget} from 'app/client/aclui/PermissionsWidget';
import {GristDoc} from 'app/client/components/GristDoc';
import {reportError, UserError} from 'app/client/models/errors';
import {TableData} from 'app/client/models/TableData';
import {shadowScroll} from 'app/client/ui/shadowScroll';
import {bigBasicButton, bigPrimaryButton} from 'app/client/ui2018/buttons';
import {squareCheckbox} from 'app/client/ui2018/checkbox';
import {testId, theme} from 'app/client/ui2018/cssVars';
import {textInput} from 'app/client/ui2018/editableLabel';
import {cssIconButton, icon} from 'app/client/ui2018/icons';
import {menu, menuItemAsync} from 'app/client/ui2018/menus';
import {
emptyPermissionSet,
MixedPermissionValue,
parsePermissions,
PartialPermissionSet,
permissionSetToText,
summarizePermissions,
summarizePermissionSet
} from 'app/common/ACLPermissions';
import {ACLRuleCollection, isSchemaEditResource, SPECIAL_RULES_TABLE_ID} from 'app/common/ACLRuleCollection';
import {AclRuleProblem, AclTableDescription, getTableTitle} from 'app/common/ActiveDocAPI';
import {BulkColValues, getColValues, RowRecord, UserAction} from 'app/common/DocActions';
import {
FormulaProperties,
getFormulaProperties,
RulePart,
RuleSet,
UserAttributeRule
} from 'app/common/GranularAccessClause';
import {isHiddenCol} from 'app/common/gristTypes';
import {isNonNullish, unwrap} from 'app/common/gutil';
import {SchemaTypes} from 'app/common/schema';
import {MetaRowRecord} from 'app/common/TableData';
import {
BaseObservable,
Computed,
Disposable,
dom,
DomContents,
DomElementArg,
IDisposableOwner,
MutableObsArray,
obsArray,
Observable,
styled
} from 'grainjs';
import {makeT} from 'app/client/lib/localization';
import isEqual = require('lodash/isEqual');
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const t = makeT('AccessRules');
// tslint:disable:max-classes-per-file no-console
// Types for the rows in the ACL tables we use.
type ResourceRec = SchemaTypes["_grist_ACLResources"] & {id?: number};
type RuleRec = Partial<SchemaTypes["_grist_ACLRules"]> & {id?: number, resourceRec?: ResourceRec};
type UseCB = <T>(obs: BaseObservable<T>) => T;
// Status of rules, which determines whether the "Save" button is enabled. The order of the values
// matters, as we take the max of all the parts to determine the ultimate status.
enum RuleStatus {
Unchanged,
ChangedValid,
Invalid,
CheckPending,
}
// UserAttribute autocomplete choices. RuleIndex is used to filter for only those user
// attributes made available by the previous rules.
interface IAttrOption {
ruleIndex: number;
value: string;
}
/**
* Top-most container managing state and dom-building for the ACL rule UI.
*/
export class AccessRules extends Disposable {
// Whether anything has changed, i.e. whether to show a "Save" button.
private _ruleStatus: Computed<RuleStatus>;
// Parsed rules obtained from DocData during last call to update(). Used for _ruleStatus.
private _ruleCollection = new ACLRuleCollection();
// Array of all per-table rules.
private _tableRules = this.autoDispose(obsArray<TableRules>());
// The default rule set for the document (for "*:*").
private _docDefaultRuleSet = Observable.create<DefaultObsRuleSet|null>(this, null);
// Special document-level rules, for resources of the form ("*SPECIAL:<RuleType>").
// These rules are shown in different places - currently most are shown as a separate
// section, and one is folded into the default rule section (for SeedRule).
private _specialRulesWithDefault = Observable.create<SpecialRules|null>(this, null);
private _specialRulesSeparate = Observable.create<SpecialRules|null>(this, null);
// Array of all UserAttribute rules.
private _userAttrRules = this.autoDispose(obsArray<ObsUserAttributeRule>());
// Array of all user-attribute choices created by UserAttribute rules. Used for lookup items in
// rules, and for ACLFormula completions.
private _userAttrChoices: Computed<IAttrOption[]>;
// Whether the save button should be enabled.
private _savingEnabled: Computed<boolean>;
// Error or warning message to show next to Save/Reset buttons if non-empty.
private _errorMessage = Observable.create(this, '');
// Details of rule problems, for offering solutions to the user.
private _ruleProblems = this.autoDispose(obsArray<AclRuleProblem>());
// Map of tableId to basic metadata for all tables in the document.
private _aclResources = new Map<string, AclTableDescription>();
private _aclUsersPopup = ACLUsersPopup.create(this, this._gristDoc.docPageModel);
constructor(private _gristDoc: GristDoc) {
super();
this._ruleStatus = Computed.create(this, (use) => {
const defRuleSet = use(this._docDefaultRuleSet);
const tableRules = use(this._tableRules);
const specialRulesWithDefault = use(this._specialRulesWithDefault);
const specialRulesSeparate = use(this._specialRulesSeparate);
const userAttr = use(this._userAttrRules);
return Math.max(
defRuleSet ? use(defRuleSet.ruleStatus) : RuleStatus.Unchanged,
// If any tables/userAttrs were changed or added, they will be considered changed. If
// there were only removals, then length will be reduced.
getChangedStatus(tableRules.length < this._ruleCollection.getAllTableIds().length),
getChangedStatus(userAttr.length < this._ruleCollection.getUserAttributeRules().size),
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...tableRules.map(tr => use(tr.ruleStatus)),
...userAttr.map(u => use(u.ruleStatus)),
specialRulesWithDefault ? use(specialRulesWithDefault.ruleStatus) : RuleStatus.Unchanged,
specialRulesSeparate ? use(specialRulesSeparate.ruleStatus) : RuleStatus.Unchanged,
);
});
this._savingEnabled = Computed.create(this, this._ruleStatus, (use, s) =>
(s === RuleStatus.ChangedValid));
this._userAttrChoices = Computed.create(this, this._userAttrRules, (use, rules) => {
const result: IAttrOption[] = [
{ruleIndex: -1, value: 'user.Access'},
{ruleIndex: -1, value: 'user.Email'},
{ruleIndex: -1, value: 'user.UserID'},
{ruleIndex: -1, value: 'user.Name'},
{ruleIndex: -1, value: 'user.LinkKey.'},
{ruleIndex: -1, value: 'user.Origin'},
{ruleIndex: -1, value: 'user.SessionID'},
{ruleIndex: -1, value: 'user.IsLoggedIn'},
{ruleIndex: -1, value: 'user.UserRef'},
];
for (const [i, rule] of rules.entries()) {
const tableId = use(rule.tableId);
const name = use(rule.name);
for (const colId of this.getValidColIds(tableId) || []) {
result.push({ruleIndex: i, value: `user.${name}.${colId}`});
}
}
return result;
});
// The UI in this module isn't really dynamic (that would be tricky while allowing unsaved
// changes). Instead, react deliberately if rules change. Note that table/column renames would
// trigger changes to rules, so we don't need to listen for those separately.
for (const tableId of ['_grist_ACLResources', '_grist_ACLRules']) {
const tableData = this._gristDoc.docData.getTable(tableId)!;
this.autoDispose(tableData.tableActionEmitter.addListener(this._onChange, this));
}
this.autoDispose(this._gristDoc.docPageModel.currentDoc.addListener(this._updateDocAccessData, this));
this.update().catch((e) => this._errorMessage.set(e.message));
}
public get allTableIds() { return Array.from(this._aclResources.keys()).sort(); }
public get userAttrRules() { return this._userAttrRules; }
public get userAttrChoices() { return this._userAttrChoices; }
public getTableTitle(tableId: string) {
const table = this._aclResources.get(tableId);
if (!table) { return `#Invalid (${tableId})`; }
return getTableTitle(table);
}
/**
* Replace internal state from the rules in DocData.
*/
public async update() {
if (this.isDisposed()) { return; }
this._errorMessage.set('');
const rules = this._ruleCollection;
const [ , , aclResources] = await Promise.all([
rules.update(this._gristDoc.docData, {log: console, pullOutSchemaEdit: true}),
this._updateDocAccessData(),
this._gristDoc.docComm.getAclResources(),
]);
this._aclResources = new Map(Object.entries(aclResources.tables));
this._ruleProblems.set(aclResources.problems);
if (this.isDisposed()) { return; }
this._tableRules.set(
rules.getAllTableIds()
.filter(tableId => (tableId !== SPECIAL_RULES_TABLE_ID))
.map(tableId => TableRules.create(this._tableRules,
tableId, this, rules.getAllColumnRuleSets(tableId), rules.getTableDefaultRuleSet(tableId)))
);
const withDefaultRules = ['SeedRule'];
const separateRules = ['SchemaEdit', 'FullCopies', 'AccessRules'];
SpecialRules.create(
this._specialRulesWithDefault, SPECIAL_RULES_TABLE_ID, this,
filterRuleSets(withDefaultRules, rules.getAllColumnRuleSets(SPECIAL_RULES_TABLE_ID)),
filterRuleSet(withDefaultRules, rules.getTableDefaultRuleSet(SPECIAL_RULES_TABLE_ID)));
SpecialRules.create(
this._specialRulesSeparate, SPECIAL_RULES_TABLE_ID, this,
filterRuleSets(separateRules, rules.getAllColumnRuleSets(SPECIAL_RULES_TABLE_ID)),
filterRuleSet(separateRules, rules.getTableDefaultRuleSet(SPECIAL_RULES_TABLE_ID)));
DefaultObsRuleSet.create(this._docDefaultRuleSet, this, null, undefined, rules.getDocDefaultRuleSet());
this._userAttrRules.set(
Array.from(rules.getUserAttributeRules().values(), userAttr =>
ObsUserAttributeRule.create(this._userAttrRules, this, userAttr))
);
}
/**
* Collect the internal state into records and sync them to the document.
*/
public async save(): Promise<void> {
if (!this._savingEnabled.get()) { return; }
// Note that if anything has changed, we apply changes relative to the current state of the
// ACL tables (they may have changed by other users). So our changes will win.
const docData = this._gristDoc.docData;
const resourcesTable = docData.getMetaTable('_grist_ACLResources');
const rulesTable = docData.getMetaTable('_grist_ACLRules');
// Add/remove resources to have just the ones we need.
const newResources: MetaRowRecord<'_grist_ACLResources'>[] = flatten(
[{tableId: '*', colIds: '*'}],
this._specialRulesWithDefault.get()?.getResources() || [],
this._specialRulesSeparate.get()?.getResources() || [],
...this._tableRules.get().map(tr => tr.getResources())
)
// Skip the fake "*SPECIAL:SchemaEdit" resource (frontend-specific); these rules are saved to the default resource.
.filter(resource => !isSchemaEditResource(resource))
.map(r => ({id: -1, ...r}));
// Prepare userActions and a mapping of serializedResource to rowIds.
const resourceSync = syncRecords(resourcesTable, newResources, serializeResource);
const defaultResourceRowId = resourceSync.rowIdMap.get(serializeResource({id: -1, tableId: '*', colIds: '*'}));
if (!defaultResourceRowId) {
throw new Error('Default resource missing in resource map');
}
// For syncing rules, we'll go by rowId that we store with each RulePart and with the RuleSet.
const newRules: RowRecord[] = [];
for (const rule of this.getRules()) {
// We use id of 0 internally to mark built-in rules. Skip those.
if (rule.id === 0) {
continue;
}
// Look up the rowId for the resource.
let resourceRowId: number|undefined;
// Assign the rules for the fake "*SPECIAL:SchemaEdit" resource to the default resource where they belong.
if (isSchemaEditResource(rule.resourceRec!)) {
resourceRowId = defaultResourceRowId;
} else {
const resourceKey = serializeResource(rule.resourceRec as RowRecord);
resourceRowId = resourceSync.rowIdMap.get(resourceKey);
if (!resourceRowId) {
throw new Error(`Resource missing in resource map: ${resourceKey}`);
}
}
newRules.push({
id: rule.id || -1,
resource: resourceRowId,
aclFormula: rule.aclFormula!,
permissionsText: rule.permissionsText!,
rulePos: rule.rulePos || null,
memo: rule.memo ?? '',
});
}
// UserAttribute rules are listed in the same rulesTable.
for (const userAttr of this._userAttrRules.get()) {
const rule = userAttr.getRule();
newRules.push({
id: rule.id || -1,
resource: defaultResourceRowId,
rulePos: rule.rulePos || null,
userAttributes: rule.userAttributes,
});
}
// We need to fill in rulePos values. We'll add them in the order the rules are listed (since
// this.getRules() returns them in a suitable order), keeping rulePos unchanged when possible.
let lastGoodRulePos = 0;
let lastGoodIndex = -1;
for (let i = 0; i < newRules.length; i++) {
const pos = newRules[i].rulePos as number;
if (pos && pos > lastGoodRulePos) {
const step = (pos - lastGoodRulePos) / (i - lastGoodIndex);
for (let k = lastGoodIndex + 1; k < i; k++) {
newRules[k].rulePos = lastGoodRulePos + step * (k - lastGoodIndex);
}
lastGoodRulePos = pos;
lastGoodIndex = i;
}
}
// Fill in the rulePos values for the remaining rules.
for (let k = lastGoodIndex + 1; k < newRules.length; k++) {
newRules[k].rulePos = ++lastGoodRulePos;
}
// Prepare the UserActions for syncing the Rules table.
const rulesSync = syncRecords(rulesTable, newRules);
// Finally collect and apply all the actions together.
try {
await docData.sendActions([...resourceSync.userActions, ...rulesSync.userActions]);
} catch (e) {
// Report the error, but go on to update the rules. The user may lose their entries, but
// will see what's in the document. To preserve entries and show what's wrong, we try to
// catch errors earlier.
reportError(e);
}
// Re-populate the state from DocData once the records are synced.
await this.update();
}
public buildDom() {
return cssOuter(
dom('div', this._gristDoc.behavioralPromptsManager.attachTip('accessRules', {
hideArrow: true,
})),
cssAddTableRow(
bigBasicButton({disabled: true}, dom.hide(this._savingEnabled),
dom.text((use) => {
const s = use(this._ruleStatus);
return s === RuleStatus.CheckPending ? t("Checking...") :
s === RuleStatus.Unchanged ? t("Saved") : t("Invalid");
}),
testId('rules-non-save')
),
bigPrimaryButton(t("Save"), dom.show(this._savingEnabled),
dom.on('click', () => this.save()),
testId('rules-save'),
),
bigBasicButton(t("Reset"), dom.show(use => use(this._ruleStatus) !== RuleStatus.Unchanged),
dom.on('click', () => this.update()),
testId('rules-revert'),
),
bigBasicButton(t("Add Table Rules"), cssDropdownIcon('Dropdown'), {style: 'margin-left: auto'},
menu(() =>
this.allTableIds.map((tableId) =>
// Add the table on a timeout, to avoid disabling the clicked menu item
// synchronously, which prevents the menu from closing on click.
menuItemAsync(() => this._addTableRules(tableId),
this.getTableTitle(tableId),
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dom.cls('disabled', (use) => use(this._tableRules).some(tr => tr.tableId === tableId)),
)
),
),
),
bigBasicButton(t('Add User Attributes'), dom.on('click', () => this._addUserAttributes())),
bigBasicButton(t('View As'), cssDropdownIcon('Dropdown'),
elem => this._aclUsersPopup.attachPopup(elem, {placement: 'bottom-end', resetDocPage: true}),
dom.style('visibility', use => use(this._aclUsersPopup.isInitialized) ? '' : 'hidden')),
),
cssConditionError({style: 'margin-left: 16px'},
dom.text(this._errorMessage),
testId('access-rules-error')
),
dom.maybe(use => {
const ruleProblems = use(this._ruleProblems);
return ruleProblems.length > 0 ? ruleProblems : null;
}, ruleProblems =>
cssSection(
cssRuleProblems(
this.buildRuleProblemsDom(ruleProblems)))),
shadowScroll(
dom.maybe(use => use(this._userAttrRules).length, () =>
cssSection(
cssSectionHeading(t("User Attributes")),
cssTableRounded(
cssTableHeaderRow(
cssCell1(cssCell.cls('-rborder'), cssCell.cls('-center'), cssColHeaderCell('Name')),
cssCell4(
cssColumnGroup(
cssCell1(cssColHeaderCell(t("Attribute to Look Up"))),
cssCell1(cssColHeaderCell(t("Lookup Table"))),
cssCell1(cssColHeaderCell(t("Lookup Column"))),
cssCellIcon(),
),
),
),
dom.forEach(this._userAttrRules, (userAttr) => userAttr.buildUserAttrDom()),
),
),
),
dom.forEach(this._tableRules, (tableRules) => tableRules.buildDom()),
cssSection(
cssSectionHeading(t("Default Rules"), testId('rule-table-header')),
dom.maybe(this._specialRulesWithDefault, tableRules => cssSeedRule(
tableRules.buildCheckBoxes())),
cssTableRounded(
cssTableHeaderRow(
cssCell1(cssCell.cls('-rborder'), cssCell.cls('-center'), cssColHeaderCell('Columns')),
cssCell4(
cssColumnGroup(
cssCellIcon(),
cssCell2(cssColHeaderCell(t('Condition'))),
cssCell1(cssColHeaderCell(t('Permissions'))),
cssCellIconWithMargins(),
cssCellIcon(),
)
)
),
dom.maybe(this._docDefaultRuleSet, ruleSet => ruleSet.buildRuleSetDom()),
),
testId('rule-table'),
),
dom.maybe(this._specialRulesSeparate, tableRules => tableRules.buildDom()),
),
);
}
public buildRuleProblemsDom(ruleProblems: AclRuleProblem[]) {
const buttons: Array<HTMLAnchorElement | HTMLButtonElement> = [];
for (const problem of ruleProblems) {
// Is the problem a missing table?
if (problem.tables) {
this._addButtonsForMissingTables(buttons, problem.tables.tableIds);
}
// Is the problem a missing column?
if (problem.columns) {
this._addButtonsForMissingColumns(buttons, problem.columns.tableId, problem.columns.colIds);
}
// Is the problem a misconfigured user attribute?
if (problem.userAttributes) {
const names = problem.userAttributes.names;
this._addButtonsForMisconfiguredUserAttributes(buttons, names);
}
}
return buttons.map(button => dom('span', button));
}
/**
* Get a list of all rule records, for saving.
*/
public getRules(): RuleRec[] {
return flatten(
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...this._tableRules.get().map(tr => tr.getRules()),
this._specialRulesWithDefault.get()?.getRules() || [],
this._specialRulesSeparate.get()?.getRules() || [],
this._docDefaultRuleSet.get()?.getRules('*') || []
);
}
public removeTableRules(tableRules: TableRules) {
removeItem(this._tableRules, tableRules);
}
public removeUserAttributes(userAttr: ObsUserAttributeRule) {
removeItem(this._userAttrRules, userAttr);
}
public async checkAclFormula(text: string): Promise<FormulaProperties> {
if (text) {
return this._gristDoc.docComm.checkAclFormula(text);
}
return {};
}
// Check if the given tableId, and optionally a list of colIds, are present in this document.
// Returns '' if valid, or an error string if not. Exempt colIds will not trigger an error.
public checkTableColumns(tableId: string, colIds?: string[], exemptColIds?: string[]): string {
if (!tableId || tableId === SPECIAL_RULES_TABLE_ID) { return ''; }
const tableColIds = this._aclResources.get(tableId)?.colIds;
if (!tableColIds) { return `Invalid table: ${tableId}`; }
if (colIds) {
const validColIds = new Set([...tableColIds, ...exemptColIds || []]);
const invalidColIds = colIds.filter(c => !validColIds.has(c));
if (invalidColIds.length === 0) { return ''; }
return `Invalid columns in table ${tableId}: ${invalidColIds.join(', ')}`;
}
return '';
}
// Returns a list of valid colIds for the given table, or undefined if the table isn't valid.
public getValidColIds(tableId: string): string[]|undefined {
return this._aclResources.get(tableId)?.colIds.filter(id => !isHiddenCol(id)).sort();
}
// Get rules to use for seeding any new set of table/column rules, e.g. to give owners
// broad rights over the table/column contents.
public getSeedRules(): ObsRulePart[] {
return this._specialRulesWithDefault.get()?.getCustomRules('SeedRule') || [];
}
private _addTableRules(tableId: string) {
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if (this._tableRules.get().some(tr => tr.tableId === tableId)) {
throw new Error(`Trying to add TableRules for existing table ${tableId}`);
}
const defRuleSet: RuleSet = {tableId, colIds: '*', body: []};
const tableRules = TableRules.create(this._tableRules, tableId, this, undefined, defRuleSet);
this._tableRules.push(tableRules);
tableRules.addDefaultRules(this.getSeedRules());
}
private _addUserAttributes() {
this._userAttrRules.push(ObsUserAttributeRule.create(this._userAttrRules, this, undefined, {focus: true}));
}
private _onChange() {
if (this._ruleStatus.get() === RuleStatus.Unchanged) {
// If no changes, it's safe to just reload the rules from docData.
this.update().catch((e) => this._errorMessage.set(e.message));
} else {
this._errorMessage.set(
'Access rules have changed. Click Reset to revert your changes and refresh the rules.'
);
}
}
private async _updateDocAccessData() {
await this._aclUsersPopup.load();
}
private _addButtonsForMissingTables(buttons: Array<HTMLAnchorElement | HTMLButtonElement>, tableIds: string[]) {
for (const tableId of tableIds) {
// We don't know what the table's name was, just its tableId.
// Hopefully, the user will understand.
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const title = t('Remove {{- tableId }} rules', { tableId });
const button = bigBasicButton(title, cssRemoveIcon('Remove'), dom.on('click', async () => {
await Promise.all(this._tableRules.get()
.filter(rules => rules.tableId === tableId)
.map(rules => rules.remove()));
button.style.display = 'none';
}));
buttons.push(button);
}
}
private _addButtonsForMissingColumns(buttons: Array<HTMLAnchorElement | HTMLButtonElement>,
tableId: string, colIds: string[]) {
const removeColRules = (rules: TableRules, colId: string) => {
for (const rule of rules.columnRuleSets.get()) {
const ruleColIds = new Set(rule.getColIdList());
if (!ruleColIds.has(colId)) { continue; }
if (ruleColIds.size === 1) {
rule.remove();
} else {
rule.removeColId(colId);
}
}
};
for (const colId of colIds) {
// TODO: we could translate tableId to table name in this case.
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const title = t('Remove column {{- colId }} from {{- tableId }} rules', { tableId, colId });
const button = bigBasicButton(title, cssRemoveIcon('Remove'), dom.on('click', async () => {
await Promise.all(this._tableRules.get()
.filter(rules => rules.tableId === tableId)
.map(rules => removeColRules(rules, colId)));
button.style.display = 'none';
}));
buttons.push(button);
}
}
private _addButtonsForMisconfiguredUserAttributes(
buttons: Array<HTMLAnchorElement | HTMLButtonElement>,
names: string[]
) {
for (const name of names) {
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const title = t('Remove {{- name }} user attribute', {name});
const button = bigBasicButton(title, cssRemoveIcon('Remove'), dom.on('click', async () => {
await Promise.all(this._userAttrRules.get()
.filter(rule => rule.name.get() === name)
.map(rule => rule.remove()));
button.style.display = 'none';
}));
buttons.push(button);
}
}
}
// Represents all rules for a table.
class TableRules extends Disposable {
// Whether any table rules changed, and if they are valid.
public ruleStatus: Computed<RuleStatus>;
// The column-specific rule sets.
protected _columnRuleSets = this.autoDispose(obsArray<ColumnObsRuleSet>());
// Whether there are any column-specific rule sets.
private _haveColumnRules = Computed.create(this, this._columnRuleSets, (use, cols) => cols.length > 0);
// The default rule set (for columns '*'), if one is set.
private _defaultRuleSet = Observable.create<DefaultObsRuleSet|null>(this, null);
constructor(public readonly tableId: string, public _accessRules: AccessRules,
private _colRuleSets?: RuleSet[], private _defRuleSet?: RuleSet) {
super();
this._columnRuleSets.set(this._colRuleSets?.map(rs =>
this._createColumnObsRuleSet(this._columnRuleSets, this._accessRules, this, rs,
rs.colIds === '*' ? [] : rs.colIds)) || []);
if (!this._colRuleSets) {
// Must be a newly-created TableRules object. Just create a default RuleSet (for tableId:*)
DefaultObsRuleSet.create(this._defaultRuleSet, this._accessRules, this, this._haveColumnRules);
} else if (this._defRuleSet) {
DefaultObsRuleSet.create(this._defaultRuleSet, this._accessRules, this, this._haveColumnRules,
this._defRuleSet);
}
this.ruleStatus = Computed.create(this, (use) => {
const columnRuleSets = use(this._columnRuleSets);
const d = use(this._defaultRuleSet);
return Math.max(
getChangedStatus(
!this._colRuleSets || // This TableRules object must be newly-added
Boolean(d) !== Boolean(this._defRuleSet) || // Default rule set got added or removed
columnRuleSets.length < this._colRuleSets.length // There was a removal
),
d ? use(d.ruleStatus) : RuleStatus.Unchanged, // Default rule set got changed.
...columnRuleSets.map(rs => use(rs.ruleStatus))); // Column rule set was added or changed.
});
}
/**
* Get all custom rules for the specific column. Used to gather the current
* setting of a special rule. Returns an empty list for unknown columns.
*/
public getCustomRules(colId: string): ObsRulePart[] {
for (const ruleSet of this._columnRuleSets.get()) {
if (ruleSet.getColIds() === colId) {
return ruleSet.getCustomRules();
}
}
return [];
}
/**
* Add the provided rules, copying their formula, permissions, and memo.
*/
public addDefaultRules(rules: ObsRulePart[]) {
const ruleSet = this._defaultRuleSet.get();
ruleSet?.addRuleParts(rules, {foldEveryoneRule: true});
}
public remove() {
this._accessRules.removeTableRules(this);
}
public get columnRuleSets() {
return this._columnRuleSets;
}
public buildDom() {
return cssSection(
cssSectionHeading(
dom('span', t("Rules for table "), cssTableName(this._accessRules.getTableTitle(this.tableId))),
cssIconButton(icon('Dots'), {style: 'margin-left: auto'},
menu(() => [
menuItemAsync(() => this._addColumnRuleSet(), t("Add Column Rule")),
menuItemAsync(() => this._addDefaultRuleSet(), t("Add Default Rule"),
dom.cls('disabled', use => Boolean(use(this._defaultRuleSet)))),
menuItemAsync(() => this._accessRules.removeTableRules(this), t("Delete Table Rules")),
]),
testId('rule-table-menu-btn'),
),
testId('rule-table-header'),
),
cssTableRounded(
cssTableHeaderRow(
cssCell1(cssCell.cls('-rborder'), cssCell.cls('-center'), cssColHeaderCell('Columns')),
cssCell4(
cssColumnGroup(
cssCellIcon(),
cssCell2(cssColHeaderCell(t('Condition'))),
cssCell1(cssColHeaderCell(t('Permissions'))),
cssCellIconWithMargins(),
cssCellIcon(),
)
),
),
this.buildColumnRuleSets(),
),
this.buildErrors(),
testId('rule-table'),
);
}
public buildColumnRuleSets() {
return [
dom.forEach(this._columnRuleSets, ruleSet => ruleSet.buildRuleSetDom()),
dom.maybe(this._defaultRuleSet, ruleSet => ruleSet.buildRuleSetDom()),
];
}
public buildErrors() {
return dom.forEach(this._columnRuleSets, c => cssConditionError(dom.text(c.formulaError)));
}
/**
* Return the resources (tableId:colIds entities), for saving, checking along the way that they
* are valid.
*/
public getResources(): ResourceRec[] {
// Check that the colIds are valid.
const seen = {
allow: new Set<string>(), // columns mentioned in rules that only have 'allow's.
deny: new Set<string>(), // columns mentioned in rules that only have 'deny's.
mixed: new Set<string>() // columns mentioned in any rules.
};
for (const ruleSet of this._columnRuleSets.get()) {
const sign = ruleSet.summarizePermissions();
const counterSign = sign === 'mixed' ? 'mixed' : (sign === 'allow' ? 'deny' : 'allow');
const colIds = ruleSet.getColIdList();
if (colIds.length === 0) {
throw new UserError(`No columns listed in a column rule for table ${this.tableId}`);
}
for (const colId of colIds) {
if (seen[counterSign].has(colId)) {
// There may be an order dependency between rules. We've done a little analysis, to
// allow the useful pattern of forbidding all access to columns, and then adding back
// access to different sets for different teams/conditions (or allowing all access
// by default, and then forbidding different sets). But if there's a mix of
// allows and denies, then we throw up our hands.
// TODO: could analyze more deeply. An easy step would be to analyze per permission bit.
// Could also allow order dependency and provide a way to control the order.
// TODO: could be worth also flagging multiple rulesets with the same columns as
// undesirable.
throw new UserError(`Column ${colId} appears in multiple rules for table ${this.tableId}` +
` that might be order-dependent. Try splitting rules up differently?`);
}
if (sign === 'mixed') {
seen.allow.add(colId);
seen.deny.add(colId);
seen.mixed.add(colId);
} else {
seen[sign].add(colId);
seen.mixed.add(colId);
}
}
}
return [
...this._columnRuleSets.get().map(rs => ({tableId: this.tableId, colIds: rs.getColIds()})),
{tableId: this.tableId, colIds: '*'},
];
}
/**
* Get rules for this table, for saving.
*/
public getRules(): RuleRec[] {
return flatten(
...this._columnRuleSets.get().map(rs => rs.getRules(this.tableId)),
this._defaultRuleSet.get()?.getRules(this.tableId) || [],
);
}
public removeRuleSet(ruleSet: ObsRuleSet) {
if (ruleSet === this._defaultRuleSet.get()) {
this._defaultRuleSet.set(null);
} else {
removeItem(this._columnRuleSets, ruleSet);
}
if (!this._defaultRuleSet.get() && this._columnRuleSets.get().length === 0) {
this._accessRules.removeTableRules(this);
}
}
protected _createColumnObsRuleSet(
owner: IDisposableOwner, accessRules: AccessRules, tableRules: TableRules,
ruleSet: RuleSet|undefined, initialColIds: string[],
): ColumnObsRuleSet {
return ColumnObsRuleSet.create(owner, accessRules, tableRules, ruleSet, initialColIds);
}
private _addColumnRuleSet() {
const ruleSet = ColumnObsRuleSet.create(this._columnRuleSets, this._accessRules, this, undefined, []);
this._columnRuleSets.push(ruleSet);
ruleSet.addRuleParts(this._accessRules.getSeedRules(), {foldEveryoneRule: true});
}
private _addDefaultRuleSet() {
if (!this._defaultRuleSet.get()) {
DefaultObsRuleSet.create(this._defaultRuleSet, this._accessRules, this, this._haveColumnRules);
this.addDefaultRules(this._accessRules.getSeedRules());
}
}
}
class SpecialRules extends TableRules {
public buildDom() {
return cssSection(
cssSectionHeading(t('Special Rules'), testId('rule-table-header')),
this.buildCheckBoxes(),
testId('rule-table'),
);
}
// Build dom with checkboxes, without a section wrapping it.
// Used for folding a special rule into another section.
public buildCheckBoxes() {
return [
this.buildColumnRuleSets(),
this.buildErrors(),
];
}
public getResources(): ResourceRec[] {
return this._columnRuleSets.get()
.filter(rs => !rs.hasOnlyBuiltInRules())
.map(rs => ({tableId: this.tableId, colIds: rs.getColIds()}));
}
protected _createColumnObsRuleSet(
owner: IDisposableOwner, accessRules: AccessRules, tableRules: TableRules,
ruleSet: RuleSet|undefined, initialColIds: string[],
): ColumnObsRuleSet {
if (isEqual(ruleSet?.colIds, ['SchemaEdit'])) {
// The special rule for "schemaEdit" permissions.
return SpecialSchemaObsRuleSet.create(owner, accessRules, tableRules, ruleSet, initialColIds);
} else {
return SpecialObsRuleSet.create(owner, accessRules, tableRules, ruleSet, initialColIds);
}
}
}
// Represents one RuleSet, for a combination of columns in one table, or the default RuleSet for
// all remaining columns in a table.
abstract class ObsRuleSet extends Disposable {
// Whether rules changed, and if they are valid. Never unchanged if this._ruleSet is undefined.
public ruleStatus: Computed<RuleStatus>;
// List of individual rule parts for this entity. The default permissions may be included as the
// last rule part, with an empty aclFormula.
protected readonly _body = this.autoDispose(obsArray<ObsRulePart>());
// ruleSet is omitted for a new ObsRuleSet added by the user.
constructor(public accessRules: AccessRules, protected _tableRules: TableRules|null, private _ruleSet?: RuleSet) {
super();
const parts = this._ruleSet?.body.map(part => ObsRulePart.create(this._body, this, part)) || [];
if (parts.length === 0) {
// If creating a new RuleSet, or if there are no rules,
// start with just a default permission part.
parts.push(ObsRulePart.create(this._body, this, undefined));
}
this._body.set(parts);
this.ruleStatus = Computed.create(this, this._body, (use, body) => {
// If anything was changed or added, some part.ruleStatus will be other than Unchanged. If
// there were only removals, then body.length will have changed.
// Ignore empty rules.
return Math.max(
getChangedStatus(body.filter(part => !part.isEmpty(use)).length < (this._ruleSet?.body?.length || 0)),
...body.map(part => use(part.ruleStatus)));
});
}
public remove() {
this._tableRules?.removeRuleSet(this);
}
public getRules(tableId: string): RuleRec[] {
// Return every part in the body, tacking on resourceRec to each rule.
return this._body.get().map(part => ({
...part.getRulePart(),
resourceRec: {tableId, colIds: this.getColIds()}
}))
// Skip entirely empty rule parts: they are invalid and dropping them is the best fix.
.filter(part => part.aclFormula || part.permissionsText);
}
public getColIds(): string {
return '*';
}
/**
* Check if RuleSet may only add permissions, only remove permissions, or may do either.
* A rule that neither adds nor removes permissions is treated as mixed for simplicity,
* though this would be suboptimal if this were a useful case to support.
*/
public summarizePermissions(): MixedPermissionValue {
return summarizePermissions(this._body.get().map(p => p.summarizePermissions()));
}
public abstract buildResourceDom(): DomElementArg;
public buildRuleSetDom() {
return cssTableRow(
cssCell1(cssCell.cls('-rborder'),
this.buildResourceDom(),
testId('rule-resource')
),
cssCell4(cssRuleBody.cls(''),
dom.forEach(this._body, part => part.buildRulePartDom()),
dom.maybe(use => !this.hasDefaultCondition(use), () =>
cssColumnGroup(
{style: 'min-height: 28px'},
cssCellIcon(
cssIconButton(icon('Plus'),
dom.on('click', () => this.addRulePart(null)),
testId('rule-add'),
)
),
testId('rule-extra-add'),
)
),
),
testId('rule-set'),
);
}
public removeRulePart(rulePart: ObsRulePart) {
removeItem(this._body, rulePart);
if (this._body.get().length === 0) {
this._tableRules?.removeRuleSet(this);
}
}
public addRulePart(beforeRule: ObsRulePart|null,
content?: RulePart,
isNew: boolean = false): ObsRulePart {
const body = this._body.get();
const i = beforeRule ? body.indexOf(beforeRule) : body.length;
const part = ObsRulePart.create(this._body, this, content, isNew);
this._body.splice(i, 0, part);
return part;
}
/**
* Add a sequence of rules, taking priority over existing rules.
* optionally, if lowest-priority rule being added applies to
* everyone, and the existing rule also applies to everyone,
* fold those rules into one.
* This method is currently only called on newly created rule
* sets, so there's no need to check permissions and memos.
*/
public addRuleParts(newParts: ObsRulePart[], options: {foldEveryoneRule?: boolean}) {
// Check if we need to consider folding rules that apply to everyone.
if (options.foldEveryoneRule) {
const oldParts = this._body.get();
const myEveryonePart = (oldParts.length === 1 && !oldParts[0].getRulePart().aclFormula) ? oldParts[0] : null;
const newEveryonePart = newParts[newParts.length - 1]?.getRulePart().aclFormula ? null :
newParts[newParts.length - 1];
if (myEveryonePart && newEveryonePart) {
// It suffices to remove the existing rule that applies to everyone,
// which is just an empty default from rule set creation.
removeItem(this._body, myEveryonePart);
}
}
for (const part of [...newParts].reverse()) {
const {permissionsText, aclFormula, memo} = part.getRulePart();
if (permissionsText === undefined || aclFormula === undefined) {
// Should not happen.
continue;
}
this.addRulePart(
this.getFirst() || null,
{
aclFormula,
permissionsText,
permissions: parsePermissions(permissionsText),
memo,
},
true,
);
}
}
/**
* Returns the first built-in rule. It's the only one of the built-in rules to get a "+" next to
* it, since we don't allow inserting new rules in-between built-in rules.
*/
public getFirstBuiltIn(): ObsRulePart|undefined {
return this._body.get().find(p => p.isBuiltIn());
}
// Get first rule part, built-in or not.
public getFirst(): ObsRulePart|undefined {
return this._body.get()[0];
}
/**
* When an empty-condition RulePart is the only part of a RuleSet, we can say it applies to
* "Everyone".
*/
public isSoleCondition(use: UseCB, part: ObsRulePart): boolean {
const body = use(this._body);
return body.length === 1 && body[0] === part;
}
/**
* When an empty-condition RulePart is last in a RuleSet, we say it applies to "Everyone Else".
*/
public isLastCondition(use: UseCB, part: ObsRulePart): boolean {
const body = use(this._body);
return body[body.length - 1] === part;
}
public hasDefaultCondition(use: UseCB): boolean {
const body = use(this._body);
return body.length > 0 && body[body.length - 1].hasEmptyCondition(use);
}
/**
* Which permission bits to allow the user to set.
*/
public getAvailableBits(): PermissionKey[] {
return ['read', 'update', 'create', 'delete'];
}
/**
* Get valid colIds for the table that this RuleSet is for.
*/
public getValidColIds(): string[] {
const tableId = this._tableRules?.tableId;
return (tableId && this.accessRules.getValidColIds(tableId)) || [];
}
/**
* Check if this rule set is limited to a set of columns.
*/
public hasColumns() {
return false;
}
public hasOnlyBuiltInRules() {
return this._body.get().every(rule => rule.isBuiltIn());
}
// Get rule parts that are neither built-in nor empty.
public getCustomRules(): ObsRulePart[] {
return this._body.get().filter(rule => !rule.isBuiltInOrEmpty());
}
}
class ColumnObsRuleSet extends ObsRuleSet {
// Error message for this rule set, or '' if valid.
public formulaError: Computed<string>;
private _colIds = Observable.create<string[]>(this, this._initialColIds);
constructor(accessRules: AccessRules, tableRules: TableRules, ruleSet: RuleSet|undefined,
private _initialColIds: string[]) {
super(accessRules, tableRules, ruleSet);
this.formulaError = Computed.create(this, (use) => {
// Exempt existing colIds from checks, by including as a third argument.
return accessRules.checkTableColumns(tableRules.tableId, use(this._colIds), this._initialColIds);
});
const baseRuleStatus = this.ruleStatus;
this.ruleStatus = Computed.create(this, (use) => {
if (use(this.formulaError)) { return RuleStatus.Invalid; }
return Math.max(
getChangedStatus(!isEqual(use(this._colIds), this._initialColIds)),
use(baseRuleStatus));
});
}
public buildResourceDom(): DomElementArg {
return aclColumnList(this._colIds, this.getValidColIds());
}
public getColIdList(): string[] {
return this._colIds.get();
}
public removeColId(colId: string) {
this._colIds.set(this._colIds.get().filter(c => (c !== colId)));
}
public getColIds(): string {
return this._colIds.get().join(",");
}
public getAvailableBits(): PermissionKey[] {
// Create/Delete bits can't be set on a column-specific rule.
return ['read', 'update'];
}
public hasColumns() {
return true;
}
}
class DefaultObsRuleSet extends ObsRuleSet {
constructor(accessRules: AccessRules, tableRules: TableRules|null,
private _haveColumnRules?: Observable<boolean>, ruleSet?: RuleSet) {
super(accessRules, tableRules, ruleSet);
}
public buildResourceDom() {
return [
cssCenterContent.cls(''),
cssDefaultLabel(
dom.text(use => this._haveColumnRules && use(this._haveColumnRules) ? 'All Other' : 'All'),
)
];
}
}
interface SpecialRuleBody {
permissions: string;
formula: string;
}
/**
* Properties we need to know about how a special rule should function and
* be rendered.
*/
interface SpecialRuleProperties extends SpecialRuleBody {
description: string;
name: string;
availableBits: PermissionKey[];
}
const schemaEditRules: {[key: string]: SpecialRuleBody} = {
allowEditors: {
permissions: '+S',
formula: 'user.Access == EDITOR',
},
denyEditors: {
permissions: '-S',
formula: 'user.Access != OWNER',
},
};
const specialRuleProperties: Record<string, SpecialRuleProperties> = {
AccessRules: {
name: t('Permission to view Access Rules'),
description: t('Allow everyone to view Access Rules.'),
availableBits: ['read'],
permissions: '+R',
formula: 'True',
},
FullCopies: {
name: t('Permission to access the document in full when needed'),
description: t(`Allow everyone to copy the entire document, or view it in full in fiddle mode.
Useful for examples and templates, but not for sensitive data.`),
availableBits: ['read'],
permissions: '+R',
formula: 'True',
},
SeedRule: {
name: t('Seed rules'),
description: t('When adding table rules, automatically add a rule to grant OWNER full access.'),
availableBits: ['read', 'create', 'update', 'delete'],
permissions: '+CRUD',
formula: 'user.Access in [OWNER]',
},
SchemaEdit: {
name: t("Permission to edit document structure"),
description: t("Allow editors to edit structure (e.g. modify and delete tables, columns, " +
"layouts), and to write formulas, which give access to all data regardless of read restrictions."),
availableBits: ['schemaEdit'],
...schemaEditRules.denyEditors,
},
};
function getSpecialRuleProperties(name: string): SpecialRuleProperties {
return specialRuleProperties[name] || {
...specialRuleProperties.AccessRules,
name,
description: name,
};
}
class SpecialObsRuleSet extends ColumnObsRuleSet {
private _isExpanded = Observable.create<boolean>(this, false);
public get props() {
return getSpecialRuleProperties(this.getColIds());
}
public buildRuleSetDom() {
const isNonStandard = this._createIsNonStandardObs();
const isChecked = this._createIsCheckedObs(isNonStandard);
if (isNonStandard.get()) {
this._isExpanded.set(true);
}
return dom('div',
dom.autoDispose(isChecked),
dom.autoDispose(isNonStandard),
cssRuleDescription(
cssIconButton(icon('Expand'),
dom.style('transform', (use) => use(this._isExpanded) ? 'rotate(90deg)' : ''),
dom.on('click', () => this._isExpanded.set(!this._isExpanded.get())),
testId('rule-special-expand'),
{style: 'margin: -4px'}, // subtract padding to align better.
),
cssCheckbox(isChecked,
dom.prop('disabled', isNonStandard),
testId('rule-special-checkbox'),
),
this.props.description,
),
this._buildDomWarning(),
dom.maybe(this._isExpanded, () =>
cssTableRounded(
{style: 'margin-left: 56px'},
cssTableHeaderRow(
cssCellIcon(),
cssCell4(cssColHeaderCell(this.props.name)),
cssCell1(cssColHeaderCell('Permissions')),
cssCellIconWithMargins(),
cssCellIcon(),
),
cssTableRow(
cssRuleBody.cls(''),
dom.forEach(this._body, part => part.buildRulePartDom(true)),
dom.maybe(use => !this.hasDefaultCondition(use), () =>
cssColumnGroup(
{style: 'min-height: 28px'},
cssCellIcon(
cssIconButton(
icon('Plus'),
dom.on('click', () => this.addRulePart(null)),
testId('rule-add'),
)
),
testId('rule-extra-add'),
)
),
),
testId('rule-set'),
)
),
testId('rule-special'),
testId(`rule-special-${this.getColIds()}`), // Make accessible in tests as, e.g. rule-special-FullCopies
);
}
public getAvailableBits(): PermissionKey[] {
return this.props.availableBits;
}
public removeRulePart(rulePart: ObsRulePart) {
removeItem(this._body, rulePart);
if (this._body.get().length === 0) {
this._isExpanded.set(false);
this._allowEveryone(false);
}
}
protected _buildDomWarning(): DomContents {
return null;
}
// Observable for whether this ruleSet is "standard", i.e. checked or unchecked state, without
// any strange rules that need to be shown expanded with the checkbox greyed out.
protected _createIsNonStandardObs(): Observable<boolean> {
return Computed.create(null, this._body, (use, body) =>
!body.every(rule => rule.isBuiltInOrEmpty(use) || rule.matches(use, this.props.formula, this.props.permissions)));
}
// Observable for whether the checkbox should be shown as checked. Writing to it will update
// rules so as to toggle the checkbox.
protected _createIsCheckedObs(isNonStandard: Observable<boolean>): Observable<boolean> {
return Computed.create(null, this._body,
(use, body) => !use(isNonStandard) && !body.every(rule => rule.isBuiltInOrEmpty(use)))
.onWrite(val => this._allowEveryone(val));
}
private _allowEveryone(value: boolean) {
const builtInRules = this._body.get().filter(r => r.isBuiltIn());
if (value) {
const rulePart = makeRulePart(this.props);
this._body.set([ObsRulePart.create(this._body, this, rulePart, true), ...builtInRules]);
} else {
this._body.set(builtInRules);
if (builtInRules.length === 0) {
this._body.push(ObsRulePart.create(this._body, this, undefined));
}
}
}
}
function makeRulePart({permissions, formula}: SpecialRuleBody): RulePart {
const rulePart: RulePart = {
aclFormula: formula,
permissionsText: permissions,
permissions: parsePermissions(permissions),
};
return rulePart;
}
/**
* SchemaEdit permissions are moved out to a special fake resource "*SPECIAL:SchemaEdit" in the
* frontend, to be presented under their own checkbox option. Its behaviors are a bit different
* from other checkbox options; the differences are in the overridden methods here.
*/
class SpecialSchemaObsRuleSet extends SpecialObsRuleSet {
protected _buildDomWarning(): DomContents {
return dom.maybe(
(use) => use(this._body).every(rule => rule.isBuiltInOrEmpty(use)),
() => cssConditionError({style: 'margin-left: 56px; margin-bottom: 8px;'},
"This default should be changed if editors' access is to be limited. ",
dom('a', {style: 'color: inherit; text-decoration: underline'},
'Dismiss', dom.on('click', () => this._allowEditors('confirm'))),
testId('rule-schema-edit-warning'),
)
);
}
// SchemaEdit rules support an extra "standard" state, where a no-op rule exists (explicit rule
// allowing EDITORs SchemaEdit permission), in which case we don't show a warning.
protected _createIsNonStandardObs(): Observable<boolean> {
return Computed.create(null, this._body, (use, body) =>
!body.every(rule => rule.isBuiltInOrEmpty(use) || rule.matches(use, this.props.formula, this.props.permissions)
|| rule.matches(use, schemaEditRules.allowEditors.formula, schemaEditRules.allowEditors.permissions)));
}
protected _createIsCheckedObs(isNonStandard: Observable<boolean>): Observable<boolean> {
return Computed.create(null, this._body,
(use, body) => body.every(rule => rule.isBuiltInOrEmpty(use)
|| rule.matches(use, schemaEditRules.allowEditors.formula, schemaEditRules.allowEditors.permissions)))
.onWrite(val => this._allowEditors(val));
}
// The third "confirm" option is used by the "Dismiss" link in the warning.
private _allowEditors(value: boolean|'confirm') {
const builtInRules = this._body.get().filter(r => r.isBuiltIn());
if (value === 'confirm') {
const rulePart = makeRulePart(schemaEditRules.allowEditors);
this._body.set([ObsRulePart.create(this._body, this, rulePart, true), ...builtInRules]);
} else if (!value) {
const rulePart = makeRulePart(schemaEditRules.denyEditors);
this._body.set([ObsRulePart.create(this._body, this, rulePart, true), ...builtInRules]);
} else {
this._body.set(builtInRules);
}
}
}
class ObsUserAttributeRule extends Disposable {
public ruleStatus: Computed<RuleStatus>;
// If the rule failed validation, the error message to show. Blank if valid.
public formulaError: Computed<string>;
private _name = Observable.create<string>(this, this._userAttr?.name || '');
private _tableId = Observable.create<string>(this, this._userAttr?.tableId || '');
private _lookupColId = Observable.create<string>(this, this._userAttr?.lookupColId || '');
private _charId = Observable.create<string>(this, 'user.' + (this._userAttr?.charId || ''));
private _validColIds = Computed.create(this, this._tableId, (use, tableId) =>
this._accessRules.getValidColIds(tableId) || []);
private _userAttrChoices: Computed<IAttrOption[]>;
private _userAttrError = Observable.create(this, '');
constructor(private _accessRules: AccessRules, private _userAttr?: UserAttributeRule,
private _options: {focus?: boolean} = {}) {
super();
this.formulaError = Computed.create(
this, this._tableId, this._lookupColId, this._userAttrError,
(use, tableId, colId, userAttrError) => {
if (userAttrError.length) {
return userAttrError;
}
// Don't check for errors if it's an existing rule and hasn't changed.
if (use(this._tableId) === this._userAttr?.tableId &&
use(this._lookupColId) === this._userAttr?.lookupColId) {
return '';
}
return _accessRules.checkTableColumns(tableId, colId ? [colId] : undefined);
});
this.ruleStatus = Computed.create(this, use => {
if (use(this.formulaError)) { return RuleStatus.Invalid; }
return getChangedStatus(
use(this._name) !== this._userAttr?.name ||
use(this._tableId) !== this._userAttr?.tableId ||
use(this._lookupColId) !== this._userAttr?.lookupColId ||
use(this._charId) !== 'user.' + this._userAttr?.charId
);
});
// Reset lookupColId when tableId changes, since a colId from a different table would usually be wrong
this.autoDispose(this._tableId.addListener(() => this._lookupColId.set('')));
this._userAttrChoices = Computed.create(this, _accessRules.userAttrRules, (use, rules) => {
// Filter for only those choices created by previous rules.
const index = rules.indexOf(this);
return use(this._accessRules.userAttrChoices).filter(c => (c.ruleIndex < index));
});
}
public remove() {
this._accessRules.removeUserAttributes(this);
}
public get name() { return this._name; }
public get tableId() { return this._tableId; }
public buildUserAttrDom() {
return cssTableRow(
cssCell1(cssCell.cls('-rborder'),
cssCellContent(
cssInput(this._name, async (val) => this._name.set(val),
{placeholder: t("Attribute name")},
(this._options.focus ? (elem) => { setTimeout(() => elem.focus(), 0); } : null),
testId('rule-userattr-name'),
),
),
),
cssCell4(cssRuleBody.cls(''),
cssColumnGroup(
cssCell1(
aclFormulaEditor({
initialValue: this._charId.get(),
readOnly: false,
setValue: (text) => this._setUserAttr(text),
placeholder: '',
getSuggestions: () => this._userAttrChoices.get().map(choice => choice.value),
customiseEditor: (editor => {
editor.on('focus', () => {
if (editor.getValue() == 'user.') {
// TODO this weirdly only works on the first click
(editor as any).completer?.showPopup(editor);
}
});
})
}),
testId('rule-userattr-attr'),
),
cssCell1(
aclSelect(
this._tableId,
this._accessRules.allTableIds.map(tableId => ({
value: tableId,
label: this._accessRules.getTableTitle(tableId),
})),
{defaultLabel: '[Select Table]'},
),
testId('rule-userattr-table'),
),
cssCell1(
aclSelect(this._lookupColId, this._validColIds,
{defaultLabel: '[Select Column]'}),
testId('rule-userattr-col'),
),
cssCellIcon(
cssIconButton(icon('Remove'),
dom.on('click', () => this._accessRules.removeUserAttributes(this)))
),
dom.maybe(this.formulaError, (msg) => cssConditionError(msg, testId('rule-error'))),
),
),
testId('rule-userattr'),
);
}
public getRule() {
const fullCharId = this._charId.get().trim();
const strippedCharId = fullCharId.startsWith('user.') ?
fullCharId.substring('user.'.length) : fullCharId;
const spec = {
name: this._name.get(),
tableId: this._tableId.get(),
lookupColId: this._lookupColId.get(),
charId: strippedCharId,
};
for (const [prop, value] of Object.entries(spec)) {
if (!value) {
throw new UserError(`Invalid user attribute rule: ${prop} must be set`);
}
}
if (this._getUserAttrError(fullCharId)) {
throw new UserError(`Invalid user attribute to look up`);
}
return {
id: this._userAttr?.origRecord?.id,
rulePos: this._userAttr?.origRecord?.rulePos as number|undefined,
userAttributes: JSON.stringify(spec),
};
}
private _setUserAttr(text: string) {
if (text === this._charId.get()) {
return;
}
this._charId.set(text);
this._userAttrError.set(this._getUserAttrError(text) || '');
}
private _getUserAttrError(text: string): string | null {
text = text.trim();
if (text.startsWith('user.LinkKey')) {
if (/user\.LinkKey\.\w+$/.test(text)) {
return null;
}
return 'Use a simple attribute of user.LinkKey, e.g. user.LinkKey.something';
}
const isChoice = this._userAttrChoices.get().map(choice => choice.value).includes(text);
if (!isChoice) {
return 'Not a valid user attribute';
}
return null;
}
}
// Represents one line of a RuleSet, a combination of an aclFormula and permissions to apply to
// requests that match it.
class ObsRulePart extends Disposable {
// Whether the rule part, and if it's valid or being checked.
public ruleStatus: Computed<RuleStatus>;
// Formula to show in the formula editor.
private _aclFormula = Observable.create<string>(this, this._rulePart?.aclFormula || "");
// Rule-specific completions for editing the formula, e.g. "user.Email" or "rec.City".
private _completions = Computed.create<string[]>(this, (use) => [
...use(this._ruleSet.accessRules.userAttrChoices).map(opt => opt.value),
...this._ruleSet.getValidColIds().map(colId => `rec.${colId}`),
...this._ruleSet.getValidColIds().map(colId => `$${colId}`),
...this._ruleSet.getValidColIds().map(colId => `newRec.${colId}`),
]);
// The permission bits.
private _permissions = Observable.create<PartialPermissionSet>(
this, this._rulePart?.permissions || emptyPermissionSet());
// The memo text. Updated whenever changes are made within `_memoEditor`.
private _memo: Observable<string>;
// Reference to the memo editor element, for triggering focus. Shown when
// `_showMemoEditor` is true.
private _memoEditor: HTMLInputElement | undefined;
// Is the memo editor visible? Initialized to true if a saved memo exists for this rule.
private _showMemoEditor: Observable<boolean>;
// Whether the rule is being checked after a change. Saving will wait for such checks to finish.
private _checkPending = Observable.create(this, false);
// If the formula failed validation, the error message to show. Blank if valid.
private _formulaError = Observable.create(this, '');
private _formulaProperties = Observable.create<FormulaProperties>(this, getAclFormulaProperties(this._rulePart));
// Error message if any validation failed.
private _error: Computed<string>;
constructor(private _ruleSet: ObsRuleSet, private _rulePart?: RulePart, isNew = false) {
super();
this._memo = Observable.create(this, _rulePart?.memo ?? '');
if (_rulePart && isNew) {
// rulePart is omitted for a new ObsRulePart added by the user. If given, isNew may be set to
// treat the rule as new and only use the rulePart for its initialization.
this._rulePart = undefined;
}
// If this rule has a blank memo, don't show the editor.
this._showMemoEditor = Observable.create(this, !this.isBuiltIn() && this._memo.get() !== '');
this._error = Computed.create(this, (use) => {
return use(this._formulaError) ||
this._warnInvalidColIds(use(this._formulaProperties).usedColIds) ||
( !this._ruleSet.isLastCondition(use, this) &&
use(this._aclFormula) === '' &&
permissionSetToText(use(this._permissions)) !== '' ?
'Condition cannot be blank' : ''
);
});
const emptyPerms = emptyPermissionSet();
this.ruleStatus = Computed.create(this, (use) => {
if (use(this._error)) { return RuleStatus.Invalid; }
if (use(this._checkPending)) { return RuleStatus.CheckPending; }
return getChangedStatus(
use(this._aclFormula) !== (this._rulePart?.aclFormula ?? '') ||
use(this._memo) !== (this._rulePart?.memo ?? '') ||
!isEqual(use(this._permissions), this._rulePart?.permissions ?? emptyPerms)
);
});
}
public getRulePart(): RuleRec {
// Use id of 0 to distinguish built-in rules from newly added rule, which will have id of undefined.
const id = this.isBuiltIn() ? 0 : this._rulePart?.origRecord?.id;
return {
id,
aclFormula: this._aclFormula.get(),
permissionsText: permissionSetToText(this._permissions.get()),
rulePos: this._rulePart?.origRecord?.rulePos as number|undefined,
memo: this._memo.get(),
};
}
public hasEmptyCondition(use: UseCB): boolean {
return use(this._aclFormula) === '';
}
public matches(use: UseCB, aclFormula: string, permissionsText: string): boolean {
return (use(this._aclFormula) === aclFormula &&
permissionSetToText(use(this._permissions)) === permissionsText);
}
/**
* Check if RulePart may only add permissions, only remove permissions, or may do either.
* A rule that neither adds nor removes permissions is treated as mixed for simplicity,
* though this would be suboptimal if this were a useful case to support.
*/
public summarizePermissions(): MixedPermissionValue {
return summarizePermissionSet(this._permissions.get());
}
/**
* Verify that the rule is in a good state, optionally given a proposed permission change.
*/
public sanityCheck(pset?: PartialPermissionSet) {
// Nothing to do! We now support all expressible rule permutations.
}
public buildRulePartDom(wide: boolean = false) {
return cssRulePartAndMemo(
cssColumnGroup(
cssCellIcon(
(this._isNonFirstBuiltIn() ?
null :
cssIconButton(icon('Plus'),
dom.on('click', () => this._ruleSet.addRulePart(this)),
testId('rule-add'),
)
),
),
cssCell2(
wide ? cssCell4.cls('') : null,
aclFormulaEditor({
initialValue: this._aclFormula.get(),
readOnly: this.isBuiltIn(),
setValue: (value) => this._setAclFormula(value),
placeholder: dom.text((use) => {
return (
this._ruleSet.isSoleCondition(use, this) ? t('Everyone') :
this._ruleSet.isLastCondition(use, this) ? t('Everyone Else') :
t('Enter Condition')
);
}),
getSuggestions: (prefix) => this._completions.get(),
}),
testId('rule-acl-formula'),
),
cssCell1(cssCell.cls('-stretch'),
permissionsWidget(this._ruleSet.getAvailableBits(), this._permissions,
{disabled: this.isBuiltIn(), sanityCheck: (pset) => this.sanityCheck(pset)},
testId('rule-permissions')
),
),
cssCellIconWithMargins(
dom.maybe(use => !this.isBuiltIn() && !use(this._showMemoEditor), () =>
cssIconButton(icon('Memo'),
dom.on('click', () => {
this._showMemoEditor.set(true);
// Note that focus is set when the memo icon is clicked, and not when
// the editor is attached to the DOM; because rules with non-blank
// memos have their editors visible by default when the page is first
// loaded, focusing on creation could cause unintended focusing.
setTimeout(() => this._memoEditor?.focus(), 0);
}),
testId('rule-memo-add'),
)
),
),
cssCellIcon(
(this.isBuiltIn() ?
null :
cssIconButton(icon('Remove'),
dom.on('click', () => this._ruleSet.removeRulePart(this)),
testId('rule-remove'),
)
),
),
dom.maybe(this._error, (msg) => cssConditionError(msg, testId('rule-error'))),
testId('rule-part'),
),
dom.maybe(this._showMemoEditor, () =>
cssMemoColumnGroup(
cssCellIcon(),
cssMemoIcon('Memo'),
cssCell2(
wide ? cssCell4.cls('') : null,
this._memoEditor = aclMemoEditor(this._memo,
{
placeholder: t("Type a message..."),
},
dom.onKeyDown({
// Match the behavior of the formula editor.
Enter: (_ev, el) => el.blur(),
}),
),
testId('rule-memo-editor'),
),
cssCellIconWithMargins(),
cssCellIcon(
cssIconButton(icon('Remove'),
dom.on('click', () => {
this._showMemoEditor.set(false);
this._memo.set('');
}),
testId('rule-memo-remove'),
),
),
testId('rule-memo'),
),
),
testId('rule-part-and-memo'),
);
}
public isBuiltIn(): boolean {
return this._rulePart ? !this._rulePart.origRecord?.id : false;
}
// return true if formula, permissions, and memo are all empty.
public isEmpty(use: UseCB = unwrap): boolean {
return use(this._aclFormula) === '' &&
isEqual(use(this._permissions), emptyPermissionSet()) &&
use(this._memo) === '';
}
public isBuiltInOrEmpty(use: UseCB = unwrap): boolean {
return this.isBuiltIn() || this.isEmpty(use);
}
private _isNonFirstBuiltIn(): boolean {
return this.isBuiltIn() && this._ruleSet.getFirstBuiltIn() !== this;
}
private async _setAclFormula(text: string) {
if (text === this._aclFormula.get()) { return; }
this._aclFormula.set(text);
this._checkPending.set(true);
this._formulaProperties.set({});
this._formulaError.set('');
try {
this._formulaProperties.set(await this._ruleSet.accessRules.checkAclFormula(text));
this.sanityCheck();
} catch (e) {
this._formulaError.set(e.message);
} finally {
this._checkPending.set(false);
}
}
private _warnInvalidColIds(colIds?: string[]) {
if (!colIds || !colIds.length) { return false; }
const allValid = new Set(this._ruleSet.getValidColIds());
const invalid = colIds.filter(c => !allValid.has(c));
if (invalid.length > 0) {
return `Invalid columns: ${invalid.join(', ')}`;
}
}
}
/**
* Produce UserActions to create/update/remove records, to replace data in tableData
* with newRecords. Records are matched on uniqueId(record), which defaults to returning
* String(record.id). UniqueIds of new records don't need to be unique as long as they don't
* overlap with uniqueIds of existing records.
*
* Return also a rowIdMap, mapping uniqueId(record) to a rowId used in the actions. The rowIds may
* include negative values (auto-generated when newRecords doesn't include one). These may be used
* in Reference values within the same action bundle.
*
* TODO This is a general-purpose function, and should live in a separate module.
*/
function syncRecords(tableData: TableData, newRecords: RowRecord[],
uniqueId: (r: RowRecord) => string = (r => String(r.id))
): {userActions: UserAction[], rowIdMap: Map<string, number>} {
const oldRecords = tableData.getRecords();
const rowIdMap = new Map<string, number>(oldRecords.map(r => [uniqueId(r), r.id]));
const newRecordMap = new Map<string, RowRecord>(newRecords.map(r => [uniqueId(r), r]));
const removedRecords: RowRecord[] = oldRecords.filter(r => !newRecordMap.has(uniqueId(r)));
// Generate a unique negative rowId for each added record.
const addedRecords: RowRecord[] = newRecords.filter(r => !rowIdMap.has(uniqueId(r)))
.map((r, index) => ({...r, id: -(index + 1)}));
// Array of [before, after] pairs for changed records.
const updatedRecords: Array<[RowRecord, RowRecord]> = oldRecords.map((r): ([RowRecord, RowRecord]|null) => {
const newRec = newRecordMap.get(uniqueId(r));
const updated = newRec && {...r, ...newRec, id: r.id};
return updated && !isEqual(updated, r) ? [r, updated] : null;
}).filter(isNonNullish);
console.log("syncRecords: removing [%s], adding [%s], updating [%s]",
removedRecords.map(uniqueId).join(", "),
addedRecords.map(uniqueId).join(", "),
updatedRecords.map(([r]) => uniqueId(r)).join(", "));
const tableId = tableData.tableId;
const userActions: UserAction[] = [];
if (removedRecords.length > 0) {
userActions.push(['BulkRemoveRecord', tableId, removedRecords.map(r => r.id)]);
}
if (updatedRecords.length > 0) {
userActions.push(['BulkUpdateRecord', tableId, updatedRecords.map(([r]) => r.id), getColChanges(updatedRecords)]);
}
if (addedRecords.length > 0) {
userActions.push(['BulkAddRecord', tableId, addedRecords.map(r => r.id), getColValues(addedRecords)]);
}
// Include generated rowIds for added records into the returned map.
addedRecords.forEach(r => rowIdMap.set(uniqueId(r), r.id));
return {userActions, rowIdMap};
}
/**
* Convert a list of [before, after] rows into an object of changes, skipping columns which
* haven't changed.
*/
function getColChanges(pairs: Array<[RowRecord, RowRecord]>): BulkColValues {
const colIdSet = new Set<string>();
for (const [before, after] of pairs) {
for (const c of Object.keys(after)) {
if (c !== 'id' && !isEqual(before[c], after[c])) {
colIdSet.add(c);
}
}
}
const result: BulkColValues = {};
for (const colId of colIdSet) {
result[colId] = pairs.map(([before, after]) => after[colId]);
}
return result;
}
function serializeResource(rec: RowRecord): string {
return JSON.stringify([rec.tableId, rec.colIds]);
}
function flatten<T>(...args: T[][]): T[] {
return ([] as T[]).concat(...args);
}
function removeItem<T>(observableArray: MutableObsArray<T>, item: T): boolean {
const i = observableArray.get().indexOf(item);
if (i >= 0) {
observableArray.splice(i, 1);
return true;
}
return false;
}
function getChangedStatus(value: boolean): RuleStatus {
return value ? RuleStatus.ChangedValid : RuleStatus.Unchanged;
}
function getAclFormulaProperties(part?: RulePart): FormulaProperties {
const aclFormulaParsed = part?.origRecord?.aclFormulaParsed;
return aclFormulaParsed ? getFormulaProperties(JSON.parse(String(aclFormulaParsed))) : {};
}
// Return a rule set if it applies to one of the specified columns.
function filterRuleSet(colIds: string[], ruleSet?: RuleSet): RuleSet|undefined {
if (!ruleSet) { return undefined; }
if (ruleSet.colIds === '*') { return ruleSet; }
for (const colId of ruleSet.colIds) {
if (colIds.includes(colId)) { return ruleSet; }
}
return undefined;
}
// Filter an array of rule sets for just those that apply to one of the specified
// columns.
function filterRuleSets(colIds: string[], ruleSets: RuleSet[]): RuleSet[] {
return ruleSets.map(ruleSet => filterRuleSet(colIds, ruleSet)).filter(rs => rs) as RuleSet[];
}
const cssOuter = styled('div', `
flex: auto;
height: 100%;
width: 100%;
max-width: 800px;
margin: 0 auto;
display: flex;
flex-direction: column;
`);
const cssAddTableRow = styled('div', `
flex: none;
margin: 16px 16px 8px 16px;
display: flex;
gap: 16px;
`);
const cssDropdownIcon = styled(icon, `
margin: -2px -2px 0 4px;
`);
const cssRemoveIcon = styled(icon, `
margin: -2px -2px 0 4px;
`);
const cssSection = styled('div', `
margin: 16px 16px 24px 16px;
`);
const cssSectionHeading = styled('div', `
display: flex;
align-items: center;
margin-bottom: 8px;
font-weight: bold;
color: ${theme.lightText};
`);
const cssTableName = styled('span', `
color: ${theme.text};
`);
const cssInput = styled(textInput, `
color: ${theme.inputFg};
background-color: ${theme.inputBg};
width: 100%;
border: 1px solid transparent;
cursor: pointer;
&:hover {
border: 1px solid ${theme.inputBorder};
}
&:focus {
box-shadow: inset 0 0 0 1px ${theme.controlFg};
border-color: ${theme.controlFg};
cursor: unset;
}
&[disabled] {
color: ${theme.inputDisabledFg};
background-color: ${theme.inputDisabledBg};
box-shadow: unset;
border-color: transparent;
}
&::placeholder {
color: ${theme.inputPlaceholderFg};
}
`);
const cssConditionError = styled('div', `
margin-top: 4px;
width: 100%;
color: ${theme.errorText};
`);
/**
* Fairly general table styles.
*/
const cssTableRounded = styled('div', `
border: 1px solid ${theme.accessRulesTableBorder};
border-radius: 8px;
overflow: hidden;
`);
// Row with a border
const cssTableRow = styled('div', `
display: flex;
border-bottom: 1px solid ${theme.accessRulesTableBorder};
&:last-child {
border-bottom: none;
}
`);
// Darker table header
const cssTableHeaderRow = styled(cssTableRow, `
background-color: ${theme.accessRulesTableHeaderBg};
color: ${theme.accessRulesTableHeaderFg};
`);
// Cell for table column header.
const cssColHeaderCell = styled('div', `
margin: 4px 8px;
text-transform: uppercase;
font-weight: 500;
font-size: 10px;
`);
// General table cell.
const cssCell = styled('div', `
min-width: 0px;
overflow: hidden;
&-rborder {
border-right: 1px solid ${theme.accessRulesTableBorder};
}
&-center {
text-align: center;
}
&-stretch {
min-width: unset;
overflow: visible;
}
`);
// Variations on columns of different widths.
const cssCellIcon = styled(cssCell, `flex: none; width: 24px;`);
const cssCellIconWithMargins = styled(cssCellIcon, `margin: 0px 8px;`);
const cssCell1 = styled(cssCell, `flex: 1;`);
const cssCell2 = styled(cssCell, `flex: 2;`);
const cssCell4 = styled(cssCell, `flex: 4;`);
// Group of columns, which may be placed inside a cell.
const cssColumnGroup = styled('div', `
display: flex;
align-items: center;
gap: 0px 8px;
margin: 0 8px;
flex-wrap: wrap;
`);
const cssRuleBody = styled('div', `
display: flex;
flex-direction: column;
gap: 4px;
margin: 4px 0;
`);
const cssRuleDescription = styled('div', `
color: ${theme.text};
display: flex;
align-items: top;
margin: 16px 0 8px 0;
gap: 12px;
white-space: pre-line; /* preserve line breaks in long descriptions */
`);
const cssCheckbox = styled(squareCheckbox, `
flex: none;
`);
const cssCellContent = styled('div', `
margin: 4px 8px;
`);
const cssCenterContent = styled('div', `
display: flex;
align-items: center;
justify-content: center;
`);
const cssDefaultLabel = styled('div', `
color: ${theme.accessRulesTableBodyFg};
font-weight: bold;
`);
const cssRuleProblems = styled('div', `
flex: auto;
height: 100%;
width: 100%;
display: flex;
flex-direction: row;
flex-wrap: wrap;
gap: 8px;
`);
const cssRulePartAndMemo = styled('div', `
display: flex;
flex-direction: column;
row-gap: 4px;
`);
const cssMemoColumnGroup = styled(cssColumnGroup, `
margin-bottom: 8px;
`);
const cssMemoIcon = styled(icon, `
--icon-color: ${theme.accentIcon};
margin-left: 8px;
margin-right: 8px;
`);
const cssSeedRule = styled('div', `
margin-bottom: 16px;
`);