Revert "experiment for unauthenticated access"

This reverts commit e987b11d.

lms/djangoapps/unauth_experiment/middleware.py

-from django.utils.crypto import get_random_string
-from .models import AnonymousUserExpt
-from django.db import transaction
-from dogapi import dog_stats_api
-
-TEST_COOKIE_NAME = "anonUserTest"
-
-def get_random_anon_username():
-    candidate = get_random_string(64)
-    while AnonymousUserExpt.objects.filter(username=candidate).exists():
-        candidate = get_random_string(64)
-    return candidate
-
-
-class ExperimentalUserMiddleware(object):
-    def process_request(self, request):
-        # Test if our test anonymous cookie is set
-        if not request.COOKIES.get(TEST_COOKIE_NAME):
-            with dog_stats_api.timer('unauth_experiment.middleware.add_new_anon_user'):
-                with transaction.commit_on_success():
-                    anon_username = get_random_anon_username()
-                    anon_user = AnonymousUserExpt(username=anon_username,
-                                                  user_agent=request.META.get('HTTP_USER_AGENT', ''))
-                    anon_user.save()
-                # tag request with the username we set, so the response can set the cookie
-                request._expt_anon_username = anon_username
-            dog_stats_api.increment("unauth_experiment.middleware.new_anon_user")
-        return None
-
-    def process_response(self, request, response):
-        name_to_set = getattr(request, '_expt_anon_username', None)
-        if name_to_set:
-            # age is 3 months
-            response.set_cookie(TEST_COOKIE_NAME, name_to_set, max_age=7776000)
-        return response

lms/djangoapps/unauth_experiment/migrations/0001_initial.py

-# -*- coding: utf-8 -*-
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        # Adding model 'AnonymousUserExpt'
-        db.create_table('unauth_experiment_anonymoususerexpt', (
-            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
-            ('username', self.gf('django.db.models.fields.CharField')(db_index=True, max_length=64, null=True, blank=True)),
-            ('user_agent', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
-        ))
-        db.send_create_signal('unauth_experiment', ['AnonymousUserExpt'])
-
-
-    def backwards(self, orm):
-        # Deleting model 'AnonymousUserExpt'
-        db.delete_table('unauth_experiment_anonymoususerexpt')
-
-
-    models = {
-        'unauth_experiment.anonymoususerexpt': {
-            'Meta': {'object_name': 'AnonymousUserExpt'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'user_agent': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'db_index': 'True', 'max_length': '64', 'null': 'True', 'blank': 'True'})
-        }
-    }
-
-    complete_apps = ['unauth_experiment']
\ No newline at end of file

lms/djangoapps/unauth_experiment/migrations/0002_auto__add_field_anonymoususerexpt_created_datetime__add_field_anonymou.py

-# -*- coding: utf-8 -*-
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        # Adding field 'AnonymousUserExpt.created_datetime'
-        db.add_column('unauth_experiment_anonymoususerexpt', 'created_datetime',
-                      self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, null=True, blank=True),
-                      keep_default=False)
-
-        # Adding field 'AnonymousUserExpt.modified_datetime'
-        db.add_column('unauth_experiment_anonymoususerexpt', 'modified_datetime',
-                      self.gf('django.db.models.fields.DateTimeField')(auto_now=True, null=True, blank=True),
-                      keep_default=False)
-
-
-    def backwards(self, orm):
-        # Deleting field 'AnonymousUserExpt.created_datetime'
-        db.delete_column('unauth_experiment_anonymoususerexpt', 'created_datetime')
-
-        # Deleting field 'AnonymousUserExpt.modified_datetime'
-        db.delete_column('unauth_experiment_anonymoususerexpt', 'modified_datetime')
-
-
-    models = {
-        'unauth_experiment.anonymoususerexpt': {
-            'Meta': {'object_name': 'AnonymousUserExpt'},
-            'created_datetime': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'null': 'True', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'modified_datetime': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'null': 'True', 'blank': 'True'}),
-            'user_agent': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'db_index': 'True', 'max_length': '64', 'null': 'True', 'blank': 'True'})
-        }
-    }
-
-    complete_apps = ['unauth_experiment']
\ No newline at end of file

lms/djangoapps/unauth_experiment/models.py

-from django.db import models
-
-# Create your models here.
-class AnonymousUserExpt(models.Model):
-    username = models.CharField(max_length=64, db_index=True, null=True, blank=True)
-    user_agent = models.TextField(null=True, blank=True)
-    created_datetime = models.DateTimeField(auto_now_add=True, null=True)
-    modified_datetime = models.DateTimeField(auto_now=True, null=True)

lms/envs/common.py

@@ -639,9 +639,6 @@ MIDDLEWARE_CLASSES = (
 
     # For A/B testing
     'waffle.middleware.WaffleMiddleware',
-
-    # Experimentation with anonymous users,
-    'unauth_experiment.middleware.ExperimentalUserMiddleware',
 )
 
 ############################### Pipeline #######################################
@@ -1006,9 +1003,6 @@ INSTALLED_APPS = (
     # CME Registration
     'cme_registration',
 
-    # Experimental
-    'unauth_experiment',
-
 )
 
 ######################### MARKETING SITE ###############################