From 436bffd15fb8382a0d2dddd3c6f7a077ba751da2 Mon Sep 17 00:00:00 2001
From: Richard van der Hoff <richard@matrix.org>
Date: Fri, 22 Jul 2016 14:52:53 +0100
Subject: Implement deleting devices

---
 synapse/handlers/auth.py   | 22 ++++++++++++++++++++--
 synapse/handlers/device.py | 27 ++++++++++++++++++++++++++-
 2 files changed, 46 insertions(+), 3 deletions(-)

(limited to 'synapse/handlers')

diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py
index d5d2072436..2e138f328f 100644
--- a/synapse/handlers/auth.py
+++ b/synapse/handlers/auth.py
@@ -77,6 +77,7 @@ class AuthHandler(BaseHandler):
                 self.ldap_bind_password = hs.config.ldap_bind_password
 
         self.hs = hs  # FIXME better possibility to access registrationHandler later?
+        self.device_handler = hs.get_device_handler()
 
     @defer.inlineCallbacks
     def check_auth(self, flows, clientdict, clientip):
@@ -374,7 +375,8 @@ class AuthHandler(BaseHandler):
         return self._check_password(user_id, password)
 
     @defer.inlineCallbacks
-    def get_login_tuple_for_user_id(self, user_id, device_id=None):
+    def get_login_tuple_for_user_id(self, user_id, device_id=None,
+                                    initial_display_name=None):
         """
         Gets login tuple for the user with the given user ID.
 
@@ -383,9 +385,15 @@ class AuthHandler(BaseHandler):
         The user is assumed to have been authenticated by some other
         machanism (e.g. CAS), and the user_id converted to the canonical case.
 
+        The device will be recorded in the table if it is not there already.
+
         Args:
             user_id (str): canonical User ID
-            device_id (str): the device ID to associate with the access token
+            device_id (str|None): the device ID to associate with the tokens.
+               None to leave the tokens unassociated with a device (deprecated:
+               we should always have a device ID)
+            initial_display_name (str): display name to associate with the
+               device if it needs re-registering
         Returns:
             A tuple of:
               The access token for the user's session.
@@ -397,6 +405,16 @@ class AuthHandler(BaseHandler):
         logger.info("Logging in user %s on device %s", user_id, device_id)
         access_token = yield self.issue_access_token(user_id, device_id)
         refresh_token = yield self.issue_refresh_token(user_id, device_id)
+
+        # the device *should* have been registered before we got here; however,
+        # it's possible we raced against a DELETE operation. The thing we
+        # really don't want is active access_tokens without a record of the
+        # device, so we double-check it here.
+        if device_id is not None:
+            yield self.device_handler.check_device_registered(
+                user_id, device_id, initial_display_name
+            )
+
         defer.returnValue((access_token, refresh_token))
 
     @defer.inlineCallbacks
diff --git a/synapse/handlers/device.py b/synapse/handlers/device.py
index 1f9e15c33c..a7a192e1c9 100644
--- a/synapse/handlers/device.py
+++ b/synapse/handlers/device.py
@@ -100,7 +100,7 @@ class DeviceHandler(BaseHandler):
 
         Args:
             user_id (str):
-            device_id (str)
+            device_id (str):
 
         Returns:
             defer.Deferred: dict[str, X]: info on the device
@@ -117,6 +117,31 @@ class DeviceHandler(BaseHandler):
         _update_device_from_client_ips(device, ips)
         defer.returnValue(device)
 
+    @defer.inlineCallbacks
+    def delete_device(self, user_id, device_id):
+        """ Delete the given device
+
+        Args:
+            user_id (str):
+            device_id (str):
+
+        Returns:
+            defer.Deferred:
+        """
+
+        try:
+            yield self.store.delete_device(user_id, device_id)
+        except errors.StoreError, e:
+            if e.code == 404:
+                # no match
+                pass
+            else:
+                raise
+
+        yield self.store.user_delete_access_tokens(user_id,
+                                                   device_id=device_id)
+
+
 
 def _update_device_from_client_ips(device, client_ips):
     ip = client_ips.get((device["user_id"], device["device_id"]), {})
-- 
cgit 1.4.1