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-rw-r--r--synapse/rest/client/v1/base.py8
-rw-r--r--synapse/rest/client/v2_alpha/_base.py9
-rw-r--r--synapse/rest/client/v2_alpha/auth.py18
-rw-r--r--synapse/rest/client/v2_alpha/devices.py6
-rw-r--r--synapse/rest/client/v2_alpha/register.py85
-rw-r--r--synapse/rest/client/v2_alpha/room_upgrade_rest_servlet.py1
-rw-r--r--synapse/rest/client/v2_alpha/sendtodevice.py1
-rw-r--r--synapse/rest/media/v1/media_repository.py9
-rw-r--r--synapse/rest/media/v1/thumbnailer.py35
9 files changed, 115 insertions, 57 deletions
diff --git a/synapse/rest/client/v1/base.py b/synapse/rest/client/v1/base.py
index c77d7aba68..dc63b661c0 100644
--- a/synapse/rest/client/v1/base.py
+++ b/synapse/rest/client/v1/base.py
@@ -19,7 +19,7 @@
 import logging
 import re
 
-from synapse.api.urls import CLIENT_PREFIX
+from synapse.api.urls import CLIENT_API_PREFIX
 from synapse.http.servlet import RestServlet
 from synapse.rest.client.transactions import HttpTransactionCache
 
@@ -36,12 +36,12 @@ def client_path_patterns(path_regex, releases=(0,), include_in_unstable=True):
     Returns:
         SRE_Pattern
     """
-    patterns = [re.compile("^" + CLIENT_PREFIX + path_regex)]
+    patterns = [re.compile("^" + CLIENT_API_PREFIX + "/api/v1" + path_regex)]
     if include_in_unstable:
-        unstable_prefix = CLIENT_PREFIX.replace("/api/v1", "/unstable")
+        unstable_prefix = CLIENT_API_PREFIX + "/unstable"
         patterns.append(re.compile("^" + unstable_prefix + path_regex))
     for release in releases:
-        new_prefix = CLIENT_PREFIX.replace("/api/v1", "/r%d" % release)
+        new_prefix = CLIENT_API_PREFIX + "/r%d" % (release,)
         patterns.append(re.compile("^" + new_prefix + path_regex))
     return patterns
 
diff --git a/synapse/rest/client/v2_alpha/_base.py b/synapse/rest/client/v2_alpha/_base.py
index 77434937ff..24ac26bf03 100644
--- a/synapse/rest/client/v2_alpha/_base.py
+++ b/synapse/rest/client/v2_alpha/_base.py
@@ -21,13 +21,12 @@ import re
 from twisted.internet import defer
 
 from synapse.api.errors import InteractiveAuthIncompleteError
-from synapse.api.urls import CLIENT_V2_ALPHA_PREFIX
+from synapse.api.urls import CLIENT_API_PREFIX
 
 logger = logging.getLogger(__name__)
 
 
 def client_v2_patterns(path_regex, releases=(0,),
-                       v2_alpha=True,
                        unstable=True):
     """Creates a regex compiled client path with the correct client path
     prefix.
@@ -39,13 +38,11 @@ def client_v2_patterns(path_regex, releases=(0,),
         SRE_Pattern
     """
     patterns = []
-    if v2_alpha:
-        patterns.append(re.compile("^" + CLIENT_V2_ALPHA_PREFIX + path_regex))
     if unstable:
-        unstable_prefix = CLIENT_V2_ALPHA_PREFIX.replace("/v2_alpha", "/unstable")
+        unstable_prefix = CLIENT_API_PREFIX + "/unstable"
         patterns.append(re.compile("^" + unstable_prefix + path_regex))
     for release in releases:
-        new_prefix = CLIENT_V2_ALPHA_PREFIX.replace("/v2_alpha", "/r%d" % release)
+        new_prefix = CLIENT_API_PREFIX + "/r%d" % (release,)
         patterns.append(re.compile("^" + new_prefix + path_regex))
     return patterns
 
diff --git a/synapse/rest/client/v2_alpha/auth.py b/synapse/rest/client/v2_alpha/auth.py
index ac035c7735..4c380ab84d 100644
--- a/synapse/rest/client/v2_alpha/auth.py
+++ b/synapse/rest/client/v2_alpha/auth.py
@@ -19,7 +19,7 @@ from twisted.internet import defer
 
 from synapse.api.constants import LoginType
 from synapse.api.errors import SynapseError
-from synapse.api.urls import CLIENT_V2_ALPHA_PREFIX
+from synapse.api.urls import CLIENT_API_PREFIX
 from synapse.http.server import finish_request
 from synapse.http.servlet import RestServlet, parse_string
 
@@ -139,8 +139,8 @@ class AuthRestServlet(RestServlet):
         if stagetype == LoginType.RECAPTCHA:
             html = RECAPTCHA_TEMPLATE % {
                 'session': session,
-                'myurl': "%s/auth/%s/fallback/web" % (
-                    CLIENT_V2_ALPHA_PREFIX, LoginType.RECAPTCHA
+                'myurl': "%s/r0/auth/%s/fallback/web" % (
+                    CLIENT_API_PREFIX, LoginType.RECAPTCHA
                 ),
                 'sitekey': self.hs.config.recaptcha_public_key,
             }
@@ -159,8 +159,8 @@ class AuthRestServlet(RestServlet):
                     self.hs.config.public_baseurl,
                     self.hs.config.user_consent_version,
                 ),
-                'myurl': "%s/auth/%s/fallback/web" % (
-                    CLIENT_V2_ALPHA_PREFIX, LoginType.TERMS
+                'myurl': "%s/r0/auth/%s/fallback/web" % (
+                    CLIENT_API_PREFIX, LoginType.TERMS
                 ),
             }
             html_bytes = html.encode("utf8")
@@ -203,8 +203,8 @@ class AuthRestServlet(RestServlet):
             else:
                 html = RECAPTCHA_TEMPLATE % {
                     'session': session,
-                    'myurl': "%s/auth/%s/fallback/web" % (
-                        CLIENT_V2_ALPHA_PREFIX, LoginType.RECAPTCHA
+                    'myurl': "%s/r0/auth/%s/fallback/web" % (
+                        CLIENT_API_PREFIX, LoginType.RECAPTCHA
                     ),
                     'sitekey': self.hs.config.recaptcha_public_key,
                 }
@@ -240,8 +240,8 @@ class AuthRestServlet(RestServlet):
                         self.hs.config.public_baseurl,
                         self.hs.config.user_consent_version,
                     ),
-                    'myurl': "%s/auth/%s/fallback/web" % (
-                        CLIENT_V2_ALPHA_PREFIX, LoginType.TERMS
+                    'myurl': "%s/r0/auth/%s/fallback/web" % (
+                        CLIENT_API_PREFIX, LoginType.TERMS
                     ),
                 }
             html_bytes = html.encode("utf8")
diff --git a/synapse/rest/client/v2_alpha/devices.py b/synapse/rest/client/v2_alpha/devices.py
index 9b75bb1377..5a5be7c390 100644
--- a/synapse/rest/client/v2_alpha/devices.py
+++ b/synapse/rest/client/v2_alpha/devices.py
@@ -30,7 +30,7 @@ logger = logging.getLogger(__name__)
 
 
 class DevicesRestServlet(RestServlet):
-    PATTERNS = client_v2_patterns("/devices$", v2_alpha=False)
+    PATTERNS = client_v2_patterns("/devices$")
 
     def __init__(self, hs):
         """
@@ -56,7 +56,7 @@ class DeleteDevicesRestServlet(RestServlet):
     API for bulk deletion of devices. Accepts a JSON object with a devices
     key which lists the device_ids to delete. Requires user interactive auth.
     """
-    PATTERNS = client_v2_patterns("/delete_devices", v2_alpha=False)
+    PATTERNS = client_v2_patterns("/delete_devices")
 
     def __init__(self, hs):
         super(DeleteDevicesRestServlet, self).__init__()
@@ -95,7 +95,7 @@ class DeleteDevicesRestServlet(RestServlet):
 
 
 class DeviceRestServlet(RestServlet):
-    PATTERNS = client_v2_patterns("/devices/(?P<device_id>[^/]*)$", v2_alpha=False)
+    PATTERNS = client_v2_patterns("/devices/(?P<device_id>[^/]*)$")
 
     def __init__(self, hs):
         """
diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py
index dc3e265bcd..042f636135 100644
--- a/synapse/rest/client/v2_alpha/register.py
+++ b/synapse/rest/client/v2_alpha/register.py
@@ -31,6 +31,7 @@ from synapse.api.errors import (
     SynapseError,
     UnrecognizedRequestError,
 )
+from synapse.config.ratelimiting import FederationRateLimitConfig
 from synapse.config.server import is_threepid_reserved
 from synapse.http.servlet import (
     RestServlet,
@@ -153,16 +154,18 @@ class UsernameAvailabilityRestServlet(RestServlet):
         self.registration_handler = hs.get_registration_handler()
         self.ratelimiter = FederationRateLimiter(
             hs.get_clock(),
-            # Time window of 2s
-            window_size=2000,
-            # Artificially delay requests if rate > sleep_limit/window_size
-            sleep_limit=1,
-            # Amount of artificial delay to apply
-            sleep_msec=1000,
-            # Error with 429 if more than reject_limit requests are queued
-            reject_limit=1,
-            # Allow 1 request at a time
-            concurrent_requests=1,
+            FederationRateLimitConfig(
+                # Time window of 2s
+                window_size=2000,
+                # Artificially delay requests if rate > sleep_limit/window_size
+                sleep_limit=1,
+                # Amount of artificial delay to apply
+                sleep_msec=1000,
+                # Error with 429 if more than reject_limit requests are queued
+                reject_limit=1,
+                # Allow 1 request at a time
+                concurrent_requests=1,
+            )
         )
 
     @defer.inlineCallbacks
@@ -345,18 +348,22 @@ class RegisterRestServlet(RestServlet):
         if self.hs.config.enable_registration_captcha:
             # only support 3PIDless registration if no 3PIDs are required
             if not require_email and not require_msisdn:
-                flows.extend([[LoginType.RECAPTCHA]])
+                # Also add a dummy flow here, otherwise if a client completes
+                # recaptcha first we'll assume they were going for this flow
+                # and complete the request, when they could have been trying to
+                # complete one of the flows with email/msisdn auth.
+                flows.extend([[LoginType.RECAPTCHA, LoginType.DUMMY]])
             # only support the email-only flow if we don't require MSISDN 3PIDs
             if not require_msisdn:
-                flows.extend([[LoginType.EMAIL_IDENTITY, LoginType.RECAPTCHA]])
+                flows.extend([[LoginType.RECAPTCHA, LoginType.EMAIL_IDENTITY]])
 
             if show_msisdn:
                 # only support the MSISDN-only flow if we don't require email 3PIDs
                 if not require_email:
-                    flows.extend([[LoginType.MSISDN, LoginType.RECAPTCHA]])
+                    flows.extend([[LoginType.RECAPTCHA, LoginType.MSISDN]])
                 # always let users provide both MSISDN & email
                 flows.extend([
-                    [LoginType.MSISDN, LoginType.EMAIL_IDENTITY, LoginType.RECAPTCHA],
+                    [LoginType.RECAPTCHA, LoginType.MSISDN, LoginType.EMAIL_IDENTITY],
                 ])
         else:
             # only support 3PIDless registration if no 3PIDs are required
@@ -379,7 +386,15 @@ class RegisterRestServlet(RestServlet):
         if self.hs.config.user_consent_at_registration:
             new_flows = []
             for flow in flows:
-                flow.append(LoginType.TERMS)
+                inserted = False
+                # m.login.terms should go near the end but before msisdn or email auth
+                for i, stage in enumerate(flow):
+                    if stage == LoginType.EMAIL_IDENTITY or stage == LoginType.MSISDN:
+                        flow.insert(i, LoginType.TERMS)
+                        inserted = True
+                        break
+                if not inserted:
+                    flow.append(LoginType.TERMS)
             flows.extend(new_flows)
 
         auth_result, params, session_id = yield self.auth_handler.check_auth(
@@ -391,13 +406,6 @@ class RegisterRestServlet(RestServlet):
         # the user-facing checks will probably already have happened in
         # /register/email/requestToken when we requested a 3pid, but that's not
         # guaranteed.
-        #
-        # Also check that we're not trying to register a 3pid that's already
-        # been registered.
-        #
-        # This has probably happened in /register/email/requestToken as well,
-        # but if a user hits this endpoint twice then clicks on each link from
-        # the two activation emails, they would register the same 3pid twice.
 
         if auth_result:
             for login_type in [LoginType.EMAIL_IDENTITY, LoginType.MSISDN]:
@@ -413,17 +421,6 @@ class RegisterRestServlet(RestServlet):
                             Codes.THREEPID_DENIED,
                         )
 
-                    existingUid = yield self.store.get_user_id_by_threepid(
-                        medium, address,
-                    )
-
-                    if existingUid is not None:
-                        raise SynapseError(
-                            400,
-                            "%s is already in use" % medium,
-                            Codes.THREEPID_IN_USE,
-                        )
-
         if registered_user_id is not None:
             logger.info(
                 "Already registered user ID %r for this session",
@@ -446,6 +443,28 @@ class RegisterRestServlet(RestServlet):
             if auth_result:
                 threepid = auth_result.get(LoginType.EMAIL_IDENTITY)
 
+                # Also check that we're not trying to register a 3pid that's already
+                # been registered.
+                #
+                # This has probably happened in /register/email/requestToken as well,
+                # but if a user hits this endpoint twice then clicks on each link from
+                # the two activation emails, they would register the same 3pid twice.
+                for login_type in [LoginType.EMAIL_IDENTITY, LoginType.MSISDN]:
+                    if login_type in auth_result:
+                        medium = auth_result[login_type]['medium']
+                        address = auth_result[login_type]['address']
+
+                        existingUid = yield self.store.get_user_id_by_threepid(
+                            medium, address,
+                        )
+
+                        if existingUid is not None:
+                            raise SynapseError(
+                                400,
+                                "%s is already in use" % medium,
+                                Codes.THREEPID_IN_USE,
+                            )
+
             (registered_user_id, _) = yield self.registration_handler.register(
                 localpart=desired_username,
                 password=new_password,
diff --git a/synapse/rest/client/v2_alpha/room_upgrade_rest_servlet.py b/synapse/rest/client/v2_alpha/room_upgrade_rest_servlet.py
index 3db7ff8d1b..62b8de71fa 100644
--- a/synapse/rest/client/v2_alpha/room_upgrade_rest_servlet.py
+++ b/synapse/rest/client/v2_alpha/room_upgrade_rest_servlet.py
@@ -50,7 +50,6 @@ class RoomUpgradeRestServlet(RestServlet):
     PATTERNS = client_v2_patterns(
         # /rooms/$roomid/upgrade
         "/rooms/(?P<room_id>[^/]*)/upgrade$",
-        v2_alpha=False,
     )
 
     def __init__(self, hs):
diff --git a/synapse/rest/client/v2_alpha/sendtodevice.py b/synapse/rest/client/v2_alpha/sendtodevice.py
index a9e9a47a0b..21e9cef2d0 100644
--- a/synapse/rest/client/v2_alpha/sendtodevice.py
+++ b/synapse/rest/client/v2_alpha/sendtodevice.py
@@ -29,7 +29,6 @@ logger = logging.getLogger(__name__)
 class SendToDeviceRestServlet(servlet.RestServlet):
     PATTERNS = client_v2_patterns(
         "/sendToDevice/(?P<message_type>[^/]*)/(?P<txn_id>[^/]*)$",
-        v2_alpha=False
     )
 
     def __init__(self, hs):
diff --git a/synapse/rest/media/v1/media_repository.py b/synapse/rest/media/v1/media_repository.py
index bdffa97805..8569677355 100644
--- a/synapse/rest/media/v1/media_repository.py
+++ b/synapse/rest/media/v1/media_repository.py
@@ -444,6 +444,9 @@ class MediaRepository(object):
             )
             return
 
+        if thumbnailer.transpose_method is not None:
+            m_width, m_height = thumbnailer.transpose()
+
         if t_method == "crop":
             t_byte_source = thumbnailer.crop(t_width, t_height, t_type)
         elif t_method == "scale":
@@ -578,6 +581,12 @@ class MediaRepository(object):
             )
             return
 
+        if thumbnailer.transpose_method is not None:
+            m_width, m_height = yield logcontext.defer_to_thread(
+                self.hs.get_reactor(),
+                thumbnailer.transpose
+            )
+
         # We deduplicate the thumbnail sizes by ignoring the cropped versions if
         # they have the same dimensions of a scaled one.
         thumbnails = {}
diff --git a/synapse/rest/media/v1/thumbnailer.py b/synapse/rest/media/v1/thumbnailer.py
index a4b26c2587..3efd0d80fc 100644
--- a/synapse/rest/media/v1/thumbnailer.py
+++ b/synapse/rest/media/v1/thumbnailer.py
@@ -20,6 +20,17 @@ import PIL.Image as Image
 
 logger = logging.getLogger(__name__)
 
+EXIF_ORIENTATION_TAG = 0x0112
+EXIF_TRANSPOSE_MAPPINGS = {
+    2: Image.FLIP_LEFT_RIGHT,
+    3: Image.ROTATE_180,
+    4: Image.FLIP_TOP_BOTTOM,
+    5: Image.TRANSPOSE,
+    6: Image.ROTATE_270,
+    7: Image.TRANSVERSE,
+    8: Image.ROTATE_90
+}
+
 
 class Thumbnailer(object):
 
@@ -31,6 +42,30 @@ class Thumbnailer(object):
     def __init__(self, input_path):
         self.image = Image.open(input_path)
         self.width, self.height = self.image.size
+        self.transpose_method = None
+        try:
+            # We don't use ImageOps.exif_transpose since it crashes with big EXIF
+            image_exif = self.image._getexif()
+            if image_exif is not None:
+                image_orientation = image_exif.get(EXIF_ORIENTATION_TAG)
+                self.transpose_method = EXIF_TRANSPOSE_MAPPINGS.get(image_orientation)
+        except Exception as e:
+            # A lot of parsing errors can happen when parsing EXIF
+            logger.info("Error parsing image EXIF information: %s", e)
+
+    def transpose(self):
+        """Transpose the image using its EXIF Orientation tag
+
+        Returns:
+            Tuple[int, int]: (width, height) containing the new image size in pixels.
+        """
+        if self.transpose_method is not None:
+            self.image = self.image.transpose(self.transpose_method)
+            self.width, self.height = self.image.size
+            self.transpose_method = None
+            # We don't need EXIF any more
+            self.image.info["exif"] = None
+        return self.image.size
 
     def aspect(self, max_width, max_height):
         """Calculate the largest size that preserves aspect ratio which