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authorPatrick Cloke <patrickc@matrix.org>2020-07-01 09:10:23 -0400
committerPatrick Cloke <patrickc@matrix.org>2020-07-02 09:58:31 -0400
commitea26e9a98b0541fc886a1cb826a38352b7599dbe (patch)
tree4bd1846684cbbc1b9db97f3f5671f1e0cd54e1b2 /synapse/rest/client/v2_alpha
parentFix changelog wording (diff)
downloadsynapse-ea26e9a98b0541fc886a1cb826a38352b7599dbe.tar.xz
Ensure that HTML pages served from Synapse include headers to avoid embedding.
Diffstat (limited to 'synapse/rest/client/v2_alpha')
-rw-r--r--synapse/rest/client/v2_alpha/account.py16


-rw-r--r--synapse/rest/client/v2_alpha/account_validity.py11


-rw-r--r--synapse/rest/client/v2_alpha/auth.py18


-rw-r--r--synapse/rest/client/v2_alpha/register.py10


4 files changed, 16 insertions, 39 deletions
diff --git a/synapse/rest/client/v2_alpha/account.py b/synapse/rest/client/v2_alpha/account.py
index 1dc4a3247f..b58a77826f 100644
--- a/synapse/rest/client/v2_alpha/account.py
+++ b/synapse/rest/client/v2_alpha/account.py
@@ -21,7 +21,7 @@ from six.moves import http_client
 from synapse.api.constants import LoginType
 from synapse.api.errors import Codes, SynapseError, ThreepidValidationError
 from synapse.config.emailconfig import ThreepidBehaviour
-from synapse.http.server import finish_request
+from synapse.http.server import finish_request, respond_with_html
 from synapse.http.servlet import (
     RestServlet,
     assert_params_in_dict,
@@ -199,16 +199,15 @@ class PasswordResetSubmitTokenServlet(RestServlet):
 
             # Otherwise show the success template
             html = self.config.email_password_reset_template_success_html
-            request.setResponseCode(200)
+            status_code = 200
         except ThreepidValidationError as e:
-            request.setResponseCode(e.code)
+            status_code = 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)
+        respond_with_html(request, status_code, html)
 
 
 class PasswordRestServlet(RestServlet):
@@ -571,16 +570,15 @@ class AddThreepidEmailSubmitTokenServlet(RestServlet):
 
             # Otherwise show the success template
             html = self.config.email_add_threepid_template_success_html_content
-            request.setResponseCode(200)
+            status_code = 200
         except ThreepidValidationError as e:
-            request.setResponseCode(e.code)
+            status_code = 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)
+        respond_with_html(request, status_code, html)
 
 
 class AddThreepidMsisdnSubmitTokenServlet(RestServlet):
diff --git a/synapse/rest/client/v2_alpha/account_validity.py b/synapse/rest/client/v2_alpha/account_validity.py
index 2f10fa64e2..d06336ceea 100644
--- a/synapse/rest/client/v2_alpha/account_validity.py
+++ b/synapse/rest/client/v2_alpha/account_validity.py
@@ -16,7 +16,7 @@
 import logging
 
 from synapse.api.errors import AuthError, SynapseError
-from synapse.http.server import finish_request
+from synapse.http.server import respond_with_html
 from synapse.http.servlet import RestServlet
 
 from ._base import client_patterns
@@ -26,9 +26,6 @@ logger = logging.getLogger(__name__)
 
 class AccountValidityRenewServlet(RestServlet):
     PATTERNS = client_patterns("/account_validity/renew$")
-    SUCCESS_HTML = (
-        b"<html><body>Your account has been successfully renewed.</body><html>"
-    )
 
     def __init__(self, hs):
         """
@@ -59,11 +56,7 @@ class AccountValidityRenewServlet(RestServlet):
             status_code = 404
             response = self.failure_html
 
-        request.setResponseCode(status_code)
-        request.setHeader(b"Content-Type", b"text/html; charset=utf-8")
-        request.setHeader(b"Content-Length", b"%d" % (len(response),))
-        request.write(response.encode("utf8"))
-        finish_request(request)
+        respond_with_html(request, status_code, response)
 
 
 class AccountValiditySendMailServlet(RestServlet):
diff --git a/synapse/rest/client/v2_alpha/auth.py b/synapse/rest/client/v2_alpha/auth.py
index 75590ebaeb..8e585e9153 100644
--- a/synapse/rest/client/v2_alpha/auth.py
+++ b/synapse/rest/client/v2_alpha/auth.py
@@ -18,7 +18,7 @@ import logging
 from synapse.api.constants import LoginType
 from synapse.api.errors import SynapseError
 from synapse.api.urls import CLIENT_API_PREFIX
-from synapse.http.server import finish_request
+from synapse.http.server import respond_with_html
 from synapse.http.servlet import RestServlet, parse_string
 
 from ._base import client_patterns
@@ -200,13 +200,7 @@ class AuthRestServlet(RestServlet):
             raise SynapseError(404, "Unknown auth stage type")
 
         # Render the HTML and return.
-        html_bytes = html.encode("utf8")
-        request.setResponseCode(200)
-        request.setHeader(b"Content-Type", b"text/html; charset=utf-8")
-        request.setHeader(b"Content-Length", b"%d" % (len(html_bytes),))
-
-        request.write(html_bytes)
-        finish_request(request)
+        respond_with_html(request, 200, html)
         return None
 
     async def on_POST(self, request, stagetype):
@@ -263,13 +257,7 @@ class AuthRestServlet(RestServlet):
             raise SynapseError(404, "Unknown auth stage type")
 
         # Render the HTML and return.
-        html_bytes = html.encode("utf8")
-        request.setResponseCode(200)
-        request.setHeader(b"Content-Type", b"text/html; charset=utf-8")
-        request.setHeader(b"Content-Length", b"%d" % (len(html_bytes),))
-
-        request.write(html_bytes)
-        finish_request(request)
+        respond_with_html(request, 200, html)
         return None
 
     def on_OPTIONS(self, _):
diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py
index b9ffe86b2a..c8d2de7b54 100644
--- a/synapse/rest/client/v2_alpha/register.py
+++ b/synapse/rest/client/v2_alpha/register.py
@@ -38,7 +38,7 @@ from synapse.config.ratelimiting import FederationRateLimitConfig
 from synapse.config.registration import RegistrationConfig
 from synapse.config.server import is_threepid_reserved
 from synapse.handlers.auth import AuthHandler
-from synapse.http.server import finish_request
+from synapse.http.server import finish_request, respond_with_html
 from synapse.http.servlet import (
     RestServlet,
     assert_params_in_dict,
@@ -306,17 +306,15 @@ class RegistrationSubmitTokenServlet(RestServlet):
 
             # Otherwise show the success template
             html = self.config.email_registration_template_success_html_content
-
-            request.setResponseCode(200)
+            status_code = 200
         except ThreepidValidationError as e:
-            request.setResponseCode(e.code)
+            status_code = 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)
+        respond_with_html(request, status_code, html)
 
 
 class UsernameAvailabilityRestServlet(RestServlet):

 

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