Add "subscribe" oauth2 scope.

r2/r2/controllers/api.py

@@ -2094,6 +2094,7 @@ class ApiController(RedditController, OAuth2ResourceController):
         c.user._commit()
 
 
+    @require_oauth2_scope("subscribe")
     @noresponse(VUser(),
                 VModhash(),
                 action = VOneOf('action', ('sub', 'unsub')),

r2/r2/models/token.py

@@ -108,7 +108,7 @@ class OAuth2Scope:
         },
         "mysubreddits": {
             "id": "mysubreddits",
-            "name": _("My Subscriptions"),
+            "name": _("My Subreddits"),
             "description": _(
                 "Access the list of subreddits I moderate, contribute to,"
                 " and subscribe to."),
@@ -118,6 +118,11 @@ class OAuth2Scope:
             "name": _("Submit Content"),
             "description": _("Submit links and comments from my account."),
         },
+        "subscribe": {
+            "id": "subscribe",
+            "name": _("Edit My Subscriptions"),
+            "description": _("Manage my subreddit subscriptions."),
+        },
     }
 
     def __init__(self, scope_str=None):