Discourse SSO (#560)

* Alter Discourse support to act as SSO provider.
Correct service group sync retry queueing.

* Correct default database enviroment variable names.

* Redirect to requested page after succesful login.

* Correct default redirect handling.
Correct attribute used to logout users on Discourse.
Improve logging messages to use parsed path on Discourse.

* Correct task retry syntax using bind=True.
Inherit from base exception so can catch TeamspeakErrors.

authentication/managers.py

@@ -110,17 +110,6 @@ class AuthServicesInfoManager:
         else:
             logger.error("Failed to update user %s discord info: user does not exist." % user)
 
-    @staticmethod
-    def update_user_discourse_info(username, user):
-        if User.objects.filter(username=user.username).exists():
-            logger.debug("Updating user %s discourse info: username %s" % (user, username))
-            authserviceinfo = AuthServicesInfo.objects.get_or_create(user=user)[0]
-            authserviceinfo.discourse_username = username
-            authserviceinfo.save(update_fields=['discourse_username'])
-            logger.info("Updated user %s discourse info in authservicesinfo model." % user)
-        else:
-            logger.error("Failed to update user %s discourse info: user does not exist." % user)
-
     @staticmethod
     def update_user_ips4_info(username, id, user):
         if User.objects.filter(username=user.username).exists():

authentication/migrations/0009_auto_20161021_0228.py

@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.2 on 2016-10-21 02:28
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('authentication', '0008_set_state'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='authservicesinfo',
+            name='discourse_username',
+        ),
+        migrations.AddField(
+            model_name='authservicesinfo',
+            name='discourse_enabled',
+            field=models.BooleanField(default=False),
+        ),
+    ]

authentication/models.py

@@ -21,7 +21,7 @@ class AuthServicesInfo(models.Model):
     teamspeak3_uid = models.CharField(max_length=254, blank=True, default="")
     teamspeak3_perm_key = models.CharField(max_length=254, blank=True, default="")
     discord_uid = models.CharField(max_length=254, blank=True, default="")
-    discourse_username = models.CharField(max_length=254, blank=True, default="")
+    discourse_enabled = models.BooleanField(default=False, blank=True)
     ips4_username = models.CharField(max_length=254, blank=True, default="")
     ips4_id = models.CharField(max_length=254, blank=True, default="")
     smf_username = models.CharField(max_length=254, blank=True, default="")

authentication/views.py

@@ -28,7 +28,10 @@ def login_user(request):
                 if user.is_active:
                     logger.info("Successful login attempt from user %s" % user)
                     login(request, user)
-                    return redirect("auth_dashboard")
+                    redirect_to = request.POST.get('next', request.GET.get('next', ''))
+                    if not redirect_to:
+                        redirect_to = 'auth_dashboard'
+                    return redirect(redirect_to)
                 else:
                     logger.info("Login attempt failed for user %s: user marked inactive." % user)
                     messages.warning(request, 'Your account has been disabled.')