Add mattermost authentication

Author: DoubleMalt

README.md

@@ -8,8 +8,8 @@ HackMD
 [![version][github-version-badge]][github-release-page]
 
 
-HackMD lets you create realtime collaborative markdown notes on all platforms.  
-Inspired by Hackpad, with more focus on speed and flexibility.  
+HackMD lets you create realtime collaborative markdown notes on all platforms.
+Inspired by Hackpad, with more focus on speed and flexibility.
 Still in the early stage, feel free to fork or contribute to HackMD.
 
 Thanks for using! :smile:
@@ -97,13 +97,13 @@ If you are upgrading HackMD from an older version, follow these steps:
 
 * [migration-to-0.5.0](https://github.com/hackmdio/migration-to-0.5.0)
 
-We don't use LZString to compress socket.io data and DB data after version 0.5.0.  
+We don't use LZString to compress socket.io data and DB data after version 0.5.0.
 Please run the migration tool if you're upgrading from the old version.
 
 * [migration-to-0.4.0](https://github.com/hackmdio/migration-to-0.4.0)
 
-We've dropped MongoDB after version 0.4.0.  
-So here is the migration tool for you to transfer the old DB data to the new DB.  
+We've dropped MongoDB after version 0.4.0.
+So here is the migration tool for you to transfer the old DB data to the new DB.
 This tool is also used for official service.
 
 # Configuration
@@ -141,6 +141,9 @@ There are some configs you need to change in the files below
 | HMD_GITLAB_BASEURL | no example | GitLab authentication endpoint, set to use other endpoint than GitLab.com (optional) |
 | HMD_GITLAB_CLIENTID | no example | GitLab API client id |
 | HMD_GITLAB_CLIENTSECRET | no example | GitLab API client secret |
+| HMD_MATTERMOST_BASEURL | no example | Mattermost authentication endpoint |
+| HMD_MATTERMOST_CLIENTID | no example | Mattermost API client id |
+| HMD_MATTERMOST_CLIENTSECRET | no example | Mattermost API client secret |
 | HMD_DROPBOX_CLIENTID | no example | Dropbox API client id |
 | HMD_DROPBOX_CLIENTSECRET | no example | Dropbox API client secret |
 | HMD_GOOGLE_CLIENTID | no example | Google API client id |
@@ -216,7 +219,7 @@ There are some configs you need to change in the files below
 
 | service | settings location | description |
 | ------- | --------- | ----------- |
-| facebook, twitter, github, gitlab, dropbox, google, ldap | environment variables or `config.json` | for signin |
+| facebook, twitter, github, gitlab, mattermost, dropbox, google, ldap | environment variables or `config.json` | for signin |
 | imgur | environment variables or `config.json` | for image upload |
 | google drive(`google/apiKey`, `google/clientID`), dropbox(`dropbox/appKey`) | `config.json` | for export and import |
 
@@ -228,6 +231,7 @@ There are some configs you need to change in the files below
 | twitter | `/auth/twitter/callback` |
 | github | `/auth/github/callback` |
 | gitlab | `/auth/gitlab/callback` |
+| mattermost | `/auth/mattermost/callback` |
 | dropbox | `/auth/dropbox/callback` |
 | google | `/auth/google/callback` |
 
@@ -249,9 +253,9 @@ hackmd/
 
 ## Operational Transformation
 
-From 0.3.2, we started supporting operational transformation.  
-It makes concurrent editing safe and will not break up other users' operations.  
-Additionally, now can show other clients' selections.  
+From 0.3.2, we started supporting operational transformation.
+It makes concurrent editing safe and will not break up other users' operations.
+Additionally, now can show other clients' selections.
 See more at [http://operational-transformation.github.io/](http://operational-transformation.github.io/)
 
 

app.json

@@ -100,6 +100,18 @@
             "description": "GitLab API client scope (optional)",
             "required": false
         },
+        "HMD_MATTERMOST_BASEURL": {
+            "description": "Mattermost authentication endpoint",
+            "required": false
+        },
+        "HMD_MATTERMOST_CLIENTID": {
+            "description": "Mattermost API client id",
+            "required": false
+        },
+        "HMD_MATTERMOST_CLIENTSECRET": {
+            "description": "Mattermost API client secret",
+            "required": false
+        },
         "HMD_DROPBOX_CLIENTID": {
             "description": "Dropbox API client id",
             "required": false

config.json.example

@@ -48,6 +48,11 @@
             "clientSecret": "change this",
             "scope": "use 'read_user' scope for auth user only or remove this property if you need gitlab snippet import/export support (will result to be default scope 'api')"
         },
+        "mattermost": {
+            "baseURL": "change this",
+            "clientID": "change this",
+            "clientSecret": "change this"
+        },
         "dropbox": {
             "clientID": "change this",
             "clientSecret": "change this",

lib/config/default.js

@@ -74,6 +74,11 @@ module.exports = {
     clientSecret: undefined,
     scope: undefined
   },
+  mattermost: {
+    baseURL: undefined,
+    clientID: undefined,
+    clientSecret: undefined
+  },
   dropbox: {
     clientID: undefined,
     clientSecret: undefined

lib/config/dockerSecret.js

@@ -38,6 +38,10 @@ if (fs.existsSync(basePath)) {
       clientID: getSecret('gitlab_clientID'),
       clientSecret: getSecret('gitlab_clientSecret')
     },
+    mattermost: {
+      clientID: getSecret('mattermost_clientID'),
+      clientSecret: getSecret('mattermost_clientSecret')
+    },
     dropbox: {
       clientID: getSecret('dropbox_clientID'),
       clientSecret: getSecret('dropbox_clientSecret')

lib/config/environment.js

@@ -49,6 +49,11 @@ module.exports = {
     clientSecret: process.env.HMD_GITLAB_CLIENTSECRET,
     scope: process.env.HMD_GITLAB_SCOPE
   },
+  mattermost: {
+    baseURL: process.env.HMD_MATTERMOST_BASEURL,
+    clientID: process.env.HMD_MATTERMOST_CLIENTID,
+    clientSecret: process.env.HMD_MATTERMOST_CLIENTSECRET
+  },
   dropbox: {
     clientID: process.env.HMD_DROPBOX_CLIENTID,
     clientSecret: process.env.HMD_DROPBOX_CLIENTSECRET

lib/config/index.js

@@ -90,6 +90,7 @@ config.isTwitterEnable = config.twitter.consumerKey && config.twitter.consumerSe
 config.isEmailEnable = config.email
 config.isGitHubEnable = config.github.clientID && config.github.clientSecret
 config.isGitLabEnable = config.gitlab.clientID && config.gitlab.clientSecret
+config.isMattermostEnable = config.mattermost.clientID && config.mattermost.clientSecret
 config.isLDAPEnable = config.ldap.url
 config.isPDFExportEnable = config.allowpdfexport
 

lib/models/user.js

@@ -111,6 +111,15 @@ module.exports = function (sequelize, DataTypes) {
               photo = letterAvatars(profile.username)
             }
             break
+          case 'mattermost':
+            photo = profile.avatarUrl
+            if (photo) {
+              if (bigger) photo = photo.replace(/(\?s=)\d*$/i, '$1400')
+              else photo = photo.replace(/(\?s=)\d*$/i, '$196')
+            } else {
+              photo = letterAvatars(profile.username)
+            }
+            break
           case 'dropbox':
             // no image api provided, use gravatar
             photo = 'https://www.gravatar.com/avatar/' + md5(profile.emails[0].value)

lib/response.js

@@ -64,6 +64,7 @@ function showIndex (req, res, next) {
     twitter: config.isTwitterEnable,
     github: config.isGitHubEnable,
     gitlab: config.isGitLabEnable,
+    mattermost: config.isMattermostEnable,
     dropbox: config.isDropboxEnable,
     google: config.isGoogleEnable,
     ldap: config.isLDAPEnable,

lib/web/auth/index.js

@@ -33,6 +33,7 @@ if (config.isFacebookEnable) authRouter.use(require('./facebook'))
 if (config.isTwitterEnable) authRouter.use(require('./twitter'))
 if (config.isGitHubEnable) authRouter.use(require('./github'))
 if (config.isGitLabEnable) authRouter.use(require('./gitlab'))
+if (config.isMattermostEnable) authRouter.use(require('./mattermost'))
 if (config.isDropboxEnable) authRouter.use(require('./dropbox'))
 if (config.isGoogleEnable) authRouter.use(require('./google'))
 if (config.isLDAPEnable) authRouter.use(require('./ldap'))