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-rw-r--r--synapse/rest/client/v2_alpha/account.py337
-rw-r--r--synapse/rest/client/v2_alpha/register.py35
-rw-r--r--synapse/rest/client/versions.py19
3 files changed, 316 insertions, 75 deletions
diff --git a/synapse/rest/client/v2_alpha/account.py b/synapse/rest/client/v2_alpha/account.py
index 2ea515d2f6..f99676fd30 100644
--- a/synapse/rest/client/v2_alpha/account.py
+++ b/synapse/rest/client/v2_alpha/account.py
@@ -103,16 +103,9 @@ class EmailPasswordRequestTokenRestServlet(RestServlet):
             raise SynapseError(400, "Email not found", Codes.THREEPID_NOT_FOUND)
 
         if self.config.threepid_behaviour_email == ThreepidBehaviour.REMOTE:
-            # Have the configured identity server handle the request
-            if not self.hs.config.account_threepid_delegate_email:
-                logger.warn(
-                    "No upstream email account_threepid_delegate configured on the server to "
-                    "handle this request"
-                )
-                raise SynapseError(
-                    400, "Password reset by email is not supported on this homeserver"
-                )
+            assert self.hs.config.account_threepid_delegate_email
 
+            # Have the configured identity server handle the request
             ret = yield self.identity_handler.requestEmailToken(
                 self.hs.config.account_threepid_delegate_email,
                 email,
@@ -200,7 +193,7 @@ class PasswordResetSubmitTokenServlet(RestServlet):
     """Handles 3PID validation token submission"""
 
     PATTERNS = client_patterns(
-        "/password_reset/(?P<medium>[^/]*)/submit_token/*$", releases=(), unstable=True
+        "/password_reset/(?P<medium>[^/]*)/submit_token$", releases=(), unstable=True
     )
 
     def __init__(self, hs):
@@ -214,6 +207,11 @@ class PasswordResetSubmitTokenServlet(RestServlet):
         self.config = hs.config
         self.clock = hs.get_clock()
         self.store = hs.get_datastore()
+        if self.config.threepid_behaviour_email == ThreepidBehaviour.LOCAL:
+            self.failure_email_template, = load_jinja2_templates(
+                self.config.email_template_dir,
+                [self.config.email_password_reset_template_failure_html],
+            )
 
     @defer.inlineCallbacks
     def on_GET(self, request, medium):
@@ -261,34 +259,12 @@ class PasswordResetSubmitTokenServlet(RestServlet):
             request.setResponseCode(e.code)
 
             # Show a failure page with a reason
-            html_template, = load_jinja2_templates(
-                self.config.email_template_dir,
-                [self.config.email_password_reset_template_failure_html],
-            )
-
             template_vars = {"failure_reason": e.msg}
-            html = html_template.render(**template_vars)
+            html = self.failure_email_template.render(**template_vars)
 
         request.write(html.encode("utf-8"))
         finish_request(request)
 
-    @defer.inlineCallbacks
-    def on_POST(self, request, medium):
-        if medium != "email":
-            raise SynapseError(
-                400, "This medium is currently not supported for password resets"
-            )
-
-        body = parse_json_object_from_request(request)
-        assert_params_in_dict(body, ["sid", "client_secret", "token"])
-
-        valid, _ = yield self.store.validate_threepid_session(
-            body["sid"], body["client_secret"], body["token"], self.clock.time_msec()
-        )
-        response_code = 200 if valid else 400
-
-        return response_code, {"success": valid}
-
 
 class PasswordRestServlet(RestServlet):
     PATTERNS = client_patterns("/account/password$")
@@ -416,13 +392,35 @@ class EmailThreepidRequestTokenRestServlet(RestServlet):
         self.identity_handler = hs.get_handlers().identity_handler
         self.store = self.hs.get_datastore()
 
+        if self.config.threepid_behaviour_email == ThreepidBehaviour.LOCAL:
+            template_html, template_text = load_jinja2_templates(
+                self.config.email_template_dir,
+                [
+                    self.config.email_add_threepid_template_html,
+                    self.config.email_add_threepid_template_text,
+                ],
+                public_baseurl=self.config.public_baseurl,
+            )
+            self.mailer = Mailer(
+                hs=self.hs,
+                app_name=self.config.email_app_name,
+                template_html=template_html,
+                template_text=template_text,
+            )
+
     @defer.inlineCallbacks
     def on_POST(self, request):
+        if self.config.threepid_behaviour_email == ThreepidBehaviour.OFF:
+            if self.config.local_threepid_handling_disabled_due_to_email_config:
+                logger.warn(
+                    "Adding emails have been disabled due to lack of an email config"
+                )
+            raise SynapseError(
+                400, "Adding an email to your account is disabled on this server"
+            )
+
         body = parse_json_object_from_request(request)
-        assert_params_in_dict(
-            body, ["id_server", "client_secret", "email", "send_attempt"]
-        )
-        id_server = "https://" + body["id_server"]  # Assume https
+        assert_params_in_dict(body, ["client_secret", "email", "send_attempt"])
         client_secret = body["client_secret"]
         email = body["email"]
         send_attempt = body["send_attempt"]
@@ -442,9 +440,30 @@ class EmailThreepidRequestTokenRestServlet(RestServlet):
         if existing_user_id is not None:
             raise SynapseError(400, "Email is already in use", Codes.THREEPID_IN_USE)
 
-        ret = yield self.identity_handler.requestEmailToken(
-            id_server, email, client_secret, send_attempt, next_link
-        )
+        if self.config.threepid_behaviour_email == ThreepidBehaviour.REMOTE:
+            assert self.hs.config.account_threepid_delegate_email
+
+            # Have the configured identity server handle the request
+            ret = yield self.identity_handler.requestEmailToken(
+                self.hs.config.account_threepid_delegate_email,
+                email,
+                client_secret,
+                send_attempt,
+                next_link,
+            )
+        else:
+            # Send threepid validation emails from Synapse
+            sid = yield self.identity_handler.send_threepid_validation(
+                email,
+                client_secret,
+                send_attempt,
+                self.mailer.send_add_threepid_mail,
+                next_link,
+            )
+
+            # Wrap the session id in a JSON object
+            ret = {"sid": sid}
+
         return 200, ret
 
 
@@ -461,10 +480,8 @@ class MsisdnThreepidRequestTokenRestServlet(RestServlet):
     def on_POST(self, request):
         body = parse_json_object_from_request(request)
         assert_params_in_dict(
-            body,
-            ["id_server", "client_secret", "country", "phone_number", "send_attempt"],
+            body, ["client_secret", "country", "phone_number", "send_attempt"]
         )
-        id_server = "https://" + body["id_server"]  # Assume https
         client_secret = body["client_secret"]
         country = body["country"]
         phone_number = body["phone_number"]
@@ -485,12 +502,146 @@ class MsisdnThreepidRequestTokenRestServlet(RestServlet):
         if existing_user_id is not None:
             raise SynapseError(400, "MSISDN is already in use", Codes.THREEPID_IN_USE)
 
+        if not self.hs.config.account_threepid_delegate_msisdn:
+            logger.warn(
+                "No upstream msisdn account_threepid_delegate configured on the server to "
+                "handle this request"
+            )
+            raise SynapseError(
+                400,
+                "Adding phone numbers to user account is not supported by this homeserver",
+            )
+
         ret = yield self.identity_handler.requestMsisdnToken(
-            id_server, country, phone_number, client_secret, send_attempt, next_link
+            self.hs.config.account_threepid_delegate_msisdn,
+            country,
+            phone_number,
+            client_secret,
+            send_attempt,
+            next_link,
         )
+
         return 200, ret
 
 
+class AddThreepidEmailSubmitTokenServlet(RestServlet):
+    """Handles 3PID validation token submission for adding an email to a user's account"""
+
+    PATTERNS = client_patterns(
+        "/add_threepid/email/submit_token$", releases=(), unstable=True
+    )
+
+    def __init__(self, hs):
+        """
+        Args:
+            hs (synapse.server.HomeServer): server
+        """
+        super().__init__()
+        self.config = hs.config
+        self.clock = hs.get_clock()
+        self.store = hs.get_datastore()
+        if self.config.threepid_behaviour_email == ThreepidBehaviour.LOCAL:
+            self.failure_email_template, = load_jinja2_templates(
+                self.config.email_template_dir,
+                [self.config.email_add_threepid_template_failure_html],
+            )
+
+    @defer.inlineCallbacks
+    def on_GET(self, request):
+        if self.config.threepid_behaviour_email == ThreepidBehaviour.OFF:
+            if self.config.local_threepid_handling_disabled_due_to_email_config:
+                logger.warn(
+                    "Adding emails have been disabled due to lack of an email config"
+                )
+            raise SynapseError(
+                400, "Adding an email to your account is disabled on this server"
+            )
+        elif self.config.threepid_behaviour_email == ThreepidBehaviour.REMOTE:
+            raise SynapseError(
+                400,
+                "This homeserver is not validating threepids. Use an identity server "
+                "instead.",
+            )
+
+        sid = parse_string(request, "sid", required=True)
+        client_secret = parse_string(request, "client_secret", required=True)
+        token = parse_string(request, "token", required=True)
+
+        # Attempt to validate a 3PID session
+        try:
+            # Mark the session as valid
+            next_link = yield self.store.validate_threepid_session(
+                sid, client_secret, token, self.clock.time_msec()
+            )
+
+            # Perform a 302 redirect if next_link is set
+            if next_link:
+                if next_link.startswith("file:///"):
+                    logger.warn(
+                        "Not redirecting to next_link as it is a local file: address"
+                    )
+                else:
+                    request.setResponseCode(302)
+                    request.setHeader("Location", next_link)
+                    finish_request(request)
+                    return None
+
+            # Otherwise show the success template
+            html = self.config.email_add_threepid_template_success_html_content
+            request.setResponseCode(200)
+        except ThreepidValidationError as e:
+            request.setResponseCode(e.code)
+
+            # Show a failure page with a reason
+            template_vars = {"failure_reason": e.msg}
+            html = self.failure_email_template.render(**template_vars)
+
+        request.write(html.encode("utf-8"))
+        finish_request(request)
+
+
+class AddThreepidMsisdnSubmitTokenServlet(RestServlet):
+    """Handles 3PID validation token submission for adding a phone number to a user's
+    account
+    """
+
+    PATTERNS = client_patterns(
+        "/add_threepid/msisdn/submit_token$", releases=(), unstable=True
+    )
+
+    def __init__(self, hs):
+        """
+        Args:
+            hs (synapse.server.HomeServer): server
+        """
+        super().__init__()
+        self.config = hs.config
+        self.clock = hs.get_clock()
+        self.store = hs.get_datastore()
+        self.identity_handler = hs.get_handlers().identity_handler
+
+    @defer.inlineCallbacks
+    def on_POST(self, request):
+        if not self.config.account_threepid_delegate_msisdn:
+            raise SynapseError(
+                400,
+                "This homeserver is not validating phone numbers. Use an identity server "
+                "instead.",
+            )
+
+        body = parse_json_object_from_request(request)
+        assert_params_in_dict(body, ["client_secret", "sid", "token"])
+
+        # Proxy submit_token request to msisdn threepid delegate
+        response = yield self.identity_handler.proxy_msisdn_submit_token(
+            self.config.account_threepid_delegate_msisdn,
+            body["client_secret"],
+            body["sid"],
+            body["token"],
+        )
+        return 200, response
+
+
 class ThreepidRestServlet(RestServlet):
     PATTERNS = client_patterns("/account/3pid$")
 
@@ -512,6 +663,8 @@ class ThreepidRestServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_POST(self, request):
+        requester = yield self.auth.get_user_by_req(request)
+        user_id = requester.user.to_string()
         body = parse_json_object_from_request(request)
 
         threepid_creds = body.get("threePidCreds") or body.get("three_pid_creds")
@@ -519,34 +672,96 @@ class ThreepidRestServlet(RestServlet):
             raise SynapseError(
                 400, "Missing param three_pid_creds", Codes.MISSING_PARAM
             )
+        assert_params_in_dict(threepid_creds, ["client_secret", "sid"])
+
+        client_secret = threepid_creds["client_secret"]
+        sid = threepid_creds["sid"]
+
+        validation_session = yield self.identity_handler.validate_threepid_session(
+            client_secret, sid
+        )
+        if validation_session:
+            yield self.auth_handler.add_threepid(
+                user_id,
+                validation_session["medium"],
+                validation_session["address"],
+                validation_session["validated_at"],
+            )
+            return 200, {}
+
+        raise SynapseError(
+            400, "No validated 3pid session found", Codes.THREEPID_AUTH_FAILED
+        )
+
+
+class ThreepidAddRestServlet(RestServlet):
+    PATTERNS = client_patterns("/account/3pid/add$", releases=(), unstable=True)
+
+    def __init__(self, hs):
+        super(ThreepidAddRestServlet, self).__init__()
+        self.hs = hs
+        self.identity_handler = hs.get_handlers().identity_handler
+        self.auth = hs.get_auth()
+        self.auth_handler = hs.get_auth_handler()
 
+    @defer.inlineCallbacks
+    def on_POST(self, request):
         requester = yield self.auth.get_user_by_req(request)
         user_id = requester.user.to_string()
+        body = parse_json_object_from_request(request)
 
-        # Specify None as the identity server to retrieve it from the request body instead
-        threepid = yield self.identity_handler.threepid_from_creds(None, threepid_creds)
-
-        if not threepid:
-            raise SynapseError(400, "Failed to auth 3pid", Codes.THREEPID_AUTH_FAILED)
+        assert_params_in_dict(body, ["client_secret", "sid"])
+        client_secret = body["client_secret"]
+        sid = body["sid"]
 
-        for reqd in ["medium", "address", "validated_at"]:
-            if reqd not in threepid:
-                logger.warn("Couldn't add 3pid: invalid response from ID server")
-                raise SynapseError(500, "Invalid response from ID Server")
+        validation_session = yield self.identity_handler.validate_threepid_session(
+            client_secret, sid
+        )
+        if validation_session:
+            yield self.auth_handler.add_threepid(
+                user_id,
+                validation_session["medium"],
+                validation_session["address"],
+                validation_session["validated_at"],
+            )
+            return 200, {}
 
-        yield self.auth_handler.add_threepid(
-            user_id, threepid["medium"], threepid["address"], threepid["validated_at"]
+        raise SynapseError(
+            400, "No validated 3pid session found", Codes.THREEPID_AUTH_FAILED
         )
 
-        if "bind" in body and body["bind"]:
-            logger.debug("Binding threepid %s to %s", threepid, user_id)
-            yield self.identity_handler.bind_threepid(threepid_creds, user_id)
+
+class ThreepidBindRestServlet(RestServlet):
+    PATTERNS = client_patterns("/account/3pid/bind$", releases=(), unstable=True)
+
+    def __init__(self, hs):
+        super(ThreepidBindRestServlet, self).__init__()
+        self.hs = hs
+        self.identity_handler = hs.get_handlers().identity_handler
+        self.auth = hs.get_auth()
+
+    @defer.inlineCallbacks
+    def on_POST(self, request):
+        body = parse_json_object_from_request(request)
+
+        assert_params_in_dict(body, ["id_server", "sid", "client_secret"])
+        id_server = body["id_server"]
+        sid = body["sid"]
+        client_secret = body["client_secret"]
+        id_access_token = body.get("id_access_token")  # optional
+
+        requester = yield self.auth.get_user_by_req(request)
+        user_id = requester.user.to_string()
+
+        yield self.identity_handler.bind_threepid(
+            client_secret, sid, user_id, id_server, id_access_token
+        )
 
         return 200, {}
 
 
 class ThreepidUnbindRestServlet(RestServlet):
-    PATTERNS = client_patterns("/account/3pid/unbind$")
+    PATTERNS = client_patterns("/account/3pid/unbind$", releases=(), unstable=True)
 
     def __init__(self, hs):
         super(ThreepidUnbindRestServlet, self).__init__()
@@ -634,7 +849,11 @@ def register_servlets(hs, http_server):
     DeactivateAccountRestServlet(hs).register(http_server)
     EmailThreepidRequestTokenRestServlet(hs).register(http_server)
     MsisdnThreepidRequestTokenRestServlet(hs).register(http_server)
+    AddThreepidEmailSubmitTokenServlet(hs).register(http_server)
+    AddThreepidMsisdnSubmitTokenServlet(hs).register(http_server)
     ThreepidRestServlet(hs).register(http_server)
+    ThreepidAddRestServlet(hs).register(http_server)
+    ThreepidBindRestServlet(hs).register(http_server)
     ThreepidUnbindRestServlet(hs).register(http_server)
     ThreepidDeleteRestServlet(hs).register(http_server)
     WhoamiRestServlet(hs).register(http_server)
diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py
index 5c7a5f3579..135a70808f 100644
--- a/synapse/rest/client/v2_alpha/register.py
+++ b/synapse/rest/client/v2_alpha/register.py
@@ -131,15 +131,9 @@ class EmailRegisterRequestTokenRestServlet(RestServlet):
             raise SynapseError(400, "Email is already in use", Codes.THREEPID_IN_USE)
 
         if self.config.threepid_behaviour_email == ThreepidBehaviour.REMOTE:
-            if not self.hs.config.account_threepid_delegate_email:
-                logger.warn(
-                    "No upstream email account_threepid_delegate configured on the server to "
-                    "handle this request"
-                )
-                raise SynapseError(
-                    400, "Registration by email is not supported on this homeserver"
-                )
+            assert self.hs.config.account_threepid_delegate_email
 
+            # Have the configured identity server handle the request
             ret = yield self.identity_handler.requestEmailToken(
                 self.hs.config.account_threepid_delegate_email,
                 email,
@@ -246,6 +240,18 @@ class RegistrationSubmitTokenServlet(RestServlet):
         self.clock = hs.get_clock()
         self.store = hs.get_datastore()
 
+        if self.config.threepid_behaviour_email == ThreepidBehaviour.LOCAL:
+            self.failure_email_template, = load_jinja2_templates(
+                self.config.email_template_dir,
+                [self.config.email_registration_template_failure_html],
+            )
+
+        if self.config.threepid_behaviour_email == ThreepidBehaviour.LOCAL:
+            self.failure_email_template, = load_jinja2_templates(
+                self.config.email_template_dir,
+                [self.config.email_registration_template_failure_html],
+            )
+
     @defer.inlineCallbacks
     def on_GET(self, request, medium):
         if medium != "email":
@@ -289,17 +295,11 @@ class RegistrationSubmitTokenServlet(RestServlet):
 
             request.setResponseCode(200)
         except ThreepidValidationError as e:
-            # Show a failure page with a reason
             request.setResponseCode(e.code)
 
             # Show a failure page with a reason
-            html_template, = load_jinja2_templates(
-                self.config.email_template_dir,
-                [self.config.email_registration_template_failure_html],
-            )
-
             template_vars = {"failure_reason": e.msg}
-            html = html_template.render(**template_vars)
+            html = self.failure_email_template.render(**template_vars)
 
         request.write(html.encode("utf-8"))
         finish_request(request)
@@ -334,6 +334,11 @@ class UsernameAvailabilityRestServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_GET(self, request):
+        if not self.hs.config.enable_registration:
+            raise SynapseError(
+                403, "Registration has been disabled", errcode=Codes.FORBIDDEN
+            )
+
         ip = self.hs.get_ip_from_request(request)
         with self.ratelimiter.ratelimit(ip) as wait_deferred:
             yield wait_deferred
diff --git a/synapse/rest/client/versions.py b/synapse/rest/client/versions.py
index 0058b6b459..1044ae7b4e 100644
--- a/synapse/rest/client/versions.py
+++ b/synapse/rest/client/versions.py
@@ -48,7 +48,24 @@ class VersionsRestServlet(RestServlet):
                     "r0.5.0",
                 ],
                 # as per MSC1497:
-                "unstable_features": {"m.lazy_load_members": True},
+                "unstable_features": {
+                    "m.lazy_load_members": True,
+                    # as per MSC2190, as amended by MSC2264
+                    # to be removed in r0.6.0
+                    "m.id_access_token": True,
+                    # Advertise to clients that they need not include an `id_server`
+                    # parameter during registration or password reset, as Synapse now decides
+                    # itself which identity server to use (or none at all).
+                    #
+                    # This is also used by a client when they wish to bind a 3PID to their
+                    # account, but not bind it to an identity server, the endpoint for which
+                    # also requires `id_server`. If the homeserver is handling 3PID
+                    # verification itself, there is no need to ask the user for `id_server` to
+                    # be supplied.
+                    "m.require_identity_server": False,
+                    # as per MSC2290
+                    "m.separate_add_and_bind": True,
+                },
             },
         )