Profile auto-fill improvements

README.md

@@ -15,7 +15,6 @@ If you installed synapse using the Matrix debian repos:
 ```
 git clone https://github.com/maxidor/matrix-synapse-rest-auth.git
 cd matrix-synapse-rest-auth
-sudo cp rest_auth_provider.py /usr/lib/python2.6/dist-packages/
 sudo cp rest_auth_provider.py /usr/lib/python2.7/dist-packages/
 ```
 
@@ -26,20 +25,48 @@ password_providers:
   - module: "rest_auth_provider.RestAuthProvider"
     config:
       endpoint: "http://change.me.example.com:12345"
+```
+Set `endpoint` to the appropriate value.
+
+## Use
+1. Install, configure, restart synapse
+2. Try to login with a valid username and password for the endpoint configured
+
+## Next steps
+### Lowercase username enforcement
+If you would like to avoid user creating accounts with upper case letter in their usernames,
+use the `enforceLowercase` config item.
+
+It is highly recommended to enable this option to avoid nasty case sensitivity bugs and invites
+management on a day-to-day basis.
+```
+[...]
+    config:
       policy:
         registration:
           username:
-            enforceLowercase: false
+            enforceLowercase: True
 ```
 
-Replace the `endpoint` value with the appropriate value.
+### Profile auto-fill
+By default, on first login, the display name is set to the one returned by the backend.  
+If none is given, the display name is not set.  
+Upon subsequent login, the display name is not changed.
 
-If you would like to avoid user creating account with upper case letter in their usernames,
-use the `enforceLowercase` config item.
+If you would like to change the behaviour, you can use the following configuration items:
+```
+[...]
+    config:
+      policy:
+        registration:
+          profile:
+            name: True
+        login:
+          profile:
+            name: False
+```
 
-## Use
-1. Install, configure, restart synapse
-2. Try to login with a valid username and password for the endpoint configured
+3PIDs received from the backend are merged with the ones already linked to the account.
 
 ## Integrate
 To use this module with your backend, you will need to implement a single REST endpoint:
@@ -80,4 +107,4 @@ The following JSON answer will be provided:
 ```
 
 ## Support
-For community support, use the Matrix room [#matrix-synapse-rest-auth:kamax.io](https://matrix.to/#/#matrix-synapse-rest-auth:kamax.io)
+For community support, visit our Matrix room [#matrix-synapse-rest-auth:kamax.io](https://matrix.to/#/#matrix-synapse-rest-auth:kamax.io)

rest_auth_provider.py

@@ -36,6 +36,7 @@ class RestAuthProvider(object):
 
         self.endpoint = config.endpoint
         self.regLower = config.regLower
+        self.config = config
         
         logger.info('Endpoint: %s', self.endpoint)
         logger.info('Enforce lowercase username during registration: %s', self.regLower)
@@ -60,6 +61,7 @@ class RestAuthProvider(object):
         localpart = user_id.split(":", 1)[0][1:]
         logger.info("User %s authenticated", user_id)
 
+        registration = False
         if not (yield self.account_handler.check_user_exists(user_id)):
             logger.info("User %s does not exist yet, creating...", user_id)
             
@@ -68,6 +70,7 @@ class RestAuthProvider(object):
                 defer.returnValue(False)
             
             user_id, access_token = (yield self.account_handler.register(localpart=localpart))
+            registration = True
             logger.info("Registration based on REST data was successful for %s", user_id)
         else:
             logger.info("User %s already exists, registration skipped", user_id)
@@ -77,10 +80,12 @@ class RestAuthProvider(object):
             profile = auth["profile"]
 
             store = yield self.account_handler.hs.get_handlers().profile_handler.store
-            if "display_name" in profile:
+            if "display_name" in profile and ((registration and self.config.setNameOnRegister) or (self.config.setNameOnLogin)):
                 display_name = profile["display_name"]
                 logger.info("Setting display name to '%s' based on profile data", display_name)
                 yield store.set_profile_displayname(localpart, display_name)
+            else:
+                logger.info("Display name was not set because it was not given or policy restricted it")
             
             if "three_pids" in profile:
                 logger.info("Handling 3PIDs")
@@ -114,6 +119,8 @@ class RestAuthProvider(object):
         class _RestConfig(object):
             endpoint = ''
             regLower = False
+            setNameOnRegister = True
+            setNameOnLogin = False
 
         rest_config = _RestConfig()
         rest_config.endpoint = config["endpoint"]
@@ -127,6 +134,24 @@ class RestAuthProvider(object):
             # we don't care
             pass
 
+        try:
+            rest_config.setNameOnRegister = config['policy']['registration']['profile']['name']
+        except TypeError:
+            # we don't care
+            pass
+        except KeyError:
+            # we don't care
+            pass
+        
+        try:
+            rest_config.setNameOnLogin = config['policy']['login']['profile']['name']
+        except TypeError:
+            # we don't care
+            pass
+        except KeyError:
+            # we don't care
+            pass
+
         return rest_config
 
 def _require_keys(config, required):