overleaf/services/web/app/coffee/Features/Authorization/AuthorizationManager.coffee
2017-09-20 09:36:06 +01:00

79 lines
No EOL
3.7 KiB
CoffeeScript

CollaboratorsHandler = require("../Collaborators/CollaboratorsHandler")
Project = require("../../models/Project").Project
User = require("../../models/User").User
PrivilegeLevels = require("./PrivilegeLevels")
PublicAccessLevels = require("./PublicAccessLevels")
Errors = require("../Errors/Errors")
ObjectId = require("mongojs").ObjectId
module.exports = AuthorizationManager =
# Get the privilege level that the user has for the project
# Returns:
# * privilegeLevel: "owner", "readAndWrite", of "readOnly" if the user has
# access. false if the user does not have access
# * becausePublic: true if the access level is only because the project is public.
getPrivilegeLevelForProject: (user_id, project_id, callback = (error, privilegeLevel, becausePublic) ->) ->
getPublicAccessLevel = () ->
if !ObjectId.isValid(project_id)
return callback(new Error("invalid project id"))
Project.findOne { _id: project_id }, { publicAccesLevel: 1 }, (error, project) ->
return callback(error) if error?
if !project?
return callback new Errors.NotFoundError("no project found with id #{project_id}")
if project.publicAccesLevel == PublicAccessLevels.READ_ONLY
return callback null, PrivilegeLevels.READ_ONLY, true
else if project.publicAccesLevel == PublicAccessLevels.READ_AND_WRITE
return callback null, PrivilegeLevels.READ_AND_WRITE, true
else if project.publicAccesLevel == PublicAccessLevels.TOKEN_BASED
return callback null, PrivilegeLevels.READ_ONLY, false
else
return callback null, PrivilegeLevels.NONE, false
if !user_id?
getPublicAccessLevel()
else
CollaboratorsHandler.getMemberIdPrivilegeLevel user_id, project_id, (error, privilegeLevel) ->
return callback(error) if error?
if privilegeLevel? and privilegeLevel != PrivilegeLevels.NONE
# The user has direct access
callback null, privilegeLevel, false
else
AuthorizationManager.isUserSiteAdmin user_id, (error, isAdmin) ->
return callback(error) if error?
if isAdmin
callback null, PrivilegeLevels.OWNER, false
else
getPublicAccessLevel()
canUserReadProject: (user_id, project_id, callback = (error, canRead) ->) ->
AuthorizationManager.getPrivilegeLevelForProject user_id, project_id, (error, privilegeLevel) ->
return callback(error) if error?
return callback null, (privilegeLevel in [PrivilegeLevels.OWNER, PrivilegeLevels.READ_AND_WRITE, PrivilegeLevels.READ_ONLY])
canUserWriteProjectContent: (user_id, project_id, callback = (error, canWriteContent) ->) ->
AuthorizationManager.getPrivilegeLevelForProject user_id, project_id, (error, privilegeLevel) ->
return callback(error) if error?
return callback null, (privilegeLevel in [PrivilegeLevels.OWNER, PrivilegeLevels.READ_AND_WRITE])
canUserWriteProjectSettings: (user_id, project_id, callback = (error, canWriteSettings) ->) ->
AuthorizationManager.getPrivilegeLevelForProject user_id, project_id, (error, privilegeLevel, becausePublic) ->
return callback(error) if error?
if privilegeLevel == PrivilegeLevels.OWNER
return callback null, true
else if privilegeLevel == PrivilegeLevels.READ_AND_WRITE and !becausePublic
return callback null, true
else
return callback null, false
canUserAdminProject: (user_id, project_id, callback = (error, canAdmin) ->) ->
AuthorizationManager.getPrivilegeLevelForProject user_id, project_id, (error, privilegeLevel) ->
return callback(error) if error?
return callback null, (privilegeLevel == PrivilegeLevels.OWNER)
isUserSiteAdmin: (user_id, callback = (error, isAdmin) ->) ->
if !user_id?
return callback null, false
User.findOne { _id: user_id }, { isAdmin: 1 }, (error, user) ->
return callback(error) if error?
return callback null, (user?.isAdmin == true)