const { Controller } = require('libflitter') class IAMController extends Controller { static get services() { return [...super.services, 'models'] } async check_entity_access(req, res, next) { const Policy = this.models.get('iam:Policy') if ( !req.body.entity_id && !req.body.target_id ) return res.status(400) .message('Missing one or more required fields: entity_id, target_id') .api() return res.api(await Policy.check_entity_access(req.body.entity_id, req.body.target_id)) } async check_user_access(req, res, next) { const User = this.models.get('auth:User') const Policy = this.models.get('iam:Policy') if ( !req.body.target_id ) return res.status(400) .message('Missing required field: target_id') .api() let user = req.user if ( req.body.user_id && req.body.user_id !== 'me' ) user = await User.findById(req.body.user_id) if ( !user ) return res.status(404) .message('User not found with that ID.') .api() if ( !req.user.can(`auth:user:${user.id}:view`) ) return res.status(401) .message('Insufficient permissions.') .api() return res.api(await Policy.check_user_access(user, req.body.target_id)) } async get_policies(req, res, next) { const Policy = this.models.get('iam:Policy') const policies = await Policy.find({ active: true }) const data = [] for ( const policy of policies ) { if ( req.user.can(`iam:policy:${policy.id}:view`) ) { data.push(await policy.to_api()) } } return res.api(data) } async get_policy(req, res, next) { const Policy = this.models.get('iam:Policy') const policy = await Policy.findById(req.params.id) if ( !policy ) return res.status(404) .message('Policy not found with that ID.') .api() if ( !req.user.can(`iam:policy:${policy.id}:view`) ) return res.status(401) .message('Insufficient permissions.') .api() return res.api(await policy.to_api()) } async create_policy(req, res, next) { const Policy = this.models.get('iam:Policy') const required_fields = ['entity_type', 'entity_id', 'access_type', 'target_type', 'target_id'] for ( const field of required_fields ) { if ( !req.body[field] ) return res.status(400) .message(`Missing required field: ${field}`) .api() } if ( !['user', 'group'].includes(req.body.entity_type) ) return res.status(400) .message('Invalid entity_type. Must be one of: user, group.') .api() // Make sure the entity_id is valid if ( req.body.entity_type === 'user' ) { const User = this.models.get('auth:User') const user = await User.findById(req.body.entity_id) if ( !user || !req.user.can(`auth:user:${user.id}:view`) ) return res.status(400) .message('Invalid entity_id.') .api() } else if ( req.body.entity_type === 'group' ) { const Group = this.models.get('auth:Group') const group = await Group.findById(req.body.entity_id) if ( !group || !group.active || !req.user.can(`auth:group:${group.id}:view`) ) return res.status(400) .message('Invalid entity_id.') .api() } if ( !['allow', 'deny'].includes(req.body.access_type) ) return res.status(400) .message('Invalid access_type. Must be one of: allow, deny.') .api() if ( !['application'].includes(req.body.target_type) ) return res.status(400) .message('Invalid target_type. Must be one of: application.') .api() // Make sure the target_id is valid if ( req.body.target_type === 'application' ) { const Application = this.models.get('Application') const app = await Application.findById(req.body.target_id) if ( !app || !app.active || !req.user.can(`app:${app.id}:view`) ) return res.status(400) .message('Invalid target_id.') .api() } const policy = new Policy({ entity_type: req.body.entity_type, entity_id: req.body.entity_id, access_type: req.body.access_type, target_type: req.body.target_type, target_id: req.body.target_id, }) await policy.save() req.user.allow(`iam:policy:${policy.id}`) await req.user.save() return res.api(await policy.to_api()) } async update_policy(req, res, next) { const Policy = this.models.get('iam:Policy') const policy = await Policy.findById(req.params.id) if ( !policy || !policy.active ) return res.status(404) .message('Policy not found with that ID.') .api() if ( !req.user.can(`iam:policy:${policy.id}:update`) ) return res.status(401) .message('Insufficient permissions.') .api() const required_fields = ['entity_type', 'entity_id', 'access_type', 'target_type', 'target_id'] for ( const field of required_fields ) { if ( !req.body[field] ) return res.status(400) .message(`Missing required field: ${field}`) .api() } if ( !['user', 'group'].includes(req.body.entity_type) ) return res.status(400) .message('Invalid entity_type. Must be one of: user, group.') .api() // Make sure the entity_id is valid if ( req.body.entity_type === 'user' ) { const User = this.models.get('auth:User') const user = await User.findById(req.body.entity_id) if ( !user || !req.user.can(`auth:user:${user.id}:view`) ) return res.status(400) .message('Invalid entity_id.') .api() } else if ( req.body.entity_type === 'group' ) { const Group = this.models.get('auth:Group') const group = await Group.findById(req.body.entity_id) if ( !group || !group.active || !req.user.can(`auth:group:${group.id}:view`) ) return res.status(400) .message('Invalid entity_id.') .api() } if ( !['allow', 'deny'].includes(req.body.access_type) ) return res.status(400) .message('Invalid access_type. Must be one of: allow, deny.') .api() if ( !['application'].includes(req.body.target_type) ) return res.status(400) .message('Invalid target_type. Must be one of: application.') .api() // Make sure the target_id is valid if ( req.body.target_type === 'application' ) { const Application = this.models.get('Application') const app = await Application.findById(req.body.target_id) if ( !app || !app.active || !req.user.can(`app:${app.id}:view`) ) return res.status(400) .message('Invalid target_id.') .api() } policy.entity_type = req.body.entity_type policy.entity_id = req.body.entity_id policy.access_type = req.body.access_type policy.target_type = req.body.target_type policy.target_id = req.body.target_id await policy.save() return res.api() } async delete_policy(req, res, next) { const Policy = this.models.get('iam:Policy') const policy = await Policy.findById(req.params.id) if ( !policy || !policy.active ) return res.status(404) .message('Policy not found with that ID.') .api() if ( !req.user.can(`iam:policy:${policy.id}:delete`) ) return res.status(401) .message('Insufficient permissions.') .api() policy.active = false await policy.save() return res.api() } } module.exports = exports = IAMController