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authorBrendan Abolivier <babolivier@matrix.org>2019-08-01 16:09:25 +0200
committerGitHub <noreply@github.com>2019-08-01 16:09:25 +0200
commit8ed9e63432b930cd880aef2edff30f8f910fb92c (patch)
tree42d3611a8fe6be383bd90371e04e8cc0cf1ee5c1
parentMerge pull request #5810 from matrix-org/erikj/no_server_reachable (diff)
parentLint (diff)
downloadsynapse-8ed9e63432b930cd880aef2edff30f8f910fb92c.tar.xz
Account validity: allow defining HTML templates to serve the us… (#5807)
Account validity: allow defining HTML templates to serve the user on account renewal attempt
Diffstat
-rw-r--r--changelog.d/5807.feature1
-rw-r--r--docs/sample_config.yaml10
-rw-r--r--synapse/config/registration.py45
-rw-r--r--synapse/handlers/account_validity.py10
-rw-r--r--synapse/res/templates/account_renewed.html1
-rw-r--r--synapse/res/templates/invalid_token.html1
-rw-r--r--synapse/rest/client/v2_alpha/account_validity.py25
-rw-r--r--tests/rest/client/v2_alpha/test_register.py37
8 files changed, 119 insertions, 11 deletions
diff --git a/changelog.d/5807.feature b/changelog.d/5807.feature
new file mode 100644
index 0000000000..8b7d29a23c
--- /dev/null
+++ b/changelog.d/5807.feature
@@ -0,0 +1 @@
+Allow defining HTML templates to serve the user on account renewal attempt when using the account validity feature.
diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml
index 08316597fa..1b206fe6bf 100644
--- a/docs/sample_config.yaml
+++ b/docs/sample_config.yaml
@@ -802,6 +802,16 @@ uploads_path: "DATADIR/uploads"
 #  period: 6w
 #  renew_at: 1w
 #  renew_email_subject: "Renew your %(app)s account"
+#  # Directory in which Synapse will try to find the HTML files to serve to the
+#  # user when trying to renew an account. Optional, defaults to
+#  # synapse/res/templates.
+#  template_dir: "res/templates"
+#  # HTML to be displayed to the user after they successfully renewed their
+#  # account. Optional.
+#  account_renewed_html_path: "account_renewed.html"
+#  # HTML to be displayed when the user tries to renew an account with an invalid
+#  # renewal token. Optional.
+#  invalid_token_html_path: "invalid_token.html"
 
 # Time that a user's session remains valid for, after they log in.
 #
diff --git a/synapse/config/registration.py b/synapse/config/registration.py
index c3de7a4e32..e2bee3c116 100644
--- a/synapse/config/registration.py
+++ b/synapse/config/registration.py
@@ -13,8 +13,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import os
 from distutils.util import strtobool
 
+import pkg_resources
+
 from synapse.config._base import Config, ConfigError
 from synapse.types import RoomAlias
 from synapse.util.stringutils import random_string_with_symbols
@@ -41,8 +44,36 @@ class AccountValidityConfig(Config):
 
             self.startup_job_max_delta = self.period * 10.0 / 100.0
 
-        if self.renew_by_email_enabled and "public_baseurl" not in synapse_config:
-            raise ConfigError("Can't send renewal emails without 'public_baseurl'")
+        if self.renew_by_email_enabled:
+            if "public_baseurl" not in synapse_config:
+                raise ConfigError("Can't send renewal emails without 'public_baseurl'")
+
+        template_dir = config.get("template_dir")
+
+        if not template_dir:
+            template_dir = pkg_resources.resource_filename("synapse", "res/templates")
+
+        if "account_renewed_html_path" in config:
+            file_path = os.path.join(template_dir, config["account_renewed_html_path"])
+
+            self.account_renewed_html_content = self.read_file(
+                file_path, "account_validity.account_renewed_html_path"
+            )
+        else:
+            self.account_renewed_html_content = (
+                "<html><body>Your account has been successfully renewed.</body><html>"
+            )
+
+        if "invalid_token_html_path" in config:
+            file_path = os.path.join(template_dir, config["invalid_token_html_path"])
+
+            self.invalid_token_html_content = self.read_file(
+                file_path, "account_validity.invalid_token_html_path"
+            )
+        else:
+            self.invalid_token_html_content = (
+                "<html><body>Invalid renewal token.</body><html>"
+            )
 
 
 class RegistrationConfig(Config):
@@ -145,6 +176,16 @@ class RegistrationConfig(Config):
         #  period: 6w
         #  renew_at: 1w
         #  renew_email_subject: "Renew your %%(app)s account"
+        #  # Directory in which Synapse will try to find the HTML files to serve to the
+        #  # user when trying to renew an account. Optional, defaults to
+        #  # synapse/res/templates.
+        #  template_dir: "res/templates"
+        #  # HTML to be displayed to the user after they successfully renewed their
+        #  # account. Optional.
+        #  account_renewed_html_path: "account_renewed.html"
+        #  # HTML to be displayed when the user tries to renew an account with an invalid
+        #  # renewal token. Optional.
+        #  invalid_token_html_path: "invalid_token.html"
 
         # Time that a user's session remains valid for, after they log in.
         #
diff --git a/synapse/handlers/account_validity.py b/synapse/handlers/account_validity.py
index 930204e2d0..34574f1a12 100644
--- a/synapse/handlers/account_validity.py
+++ b/synapse/handlers/account_validity.py
@@ -226,11 +226,19 @@ class AccountValidityHandler(object):
 
         Args:
             renewal_token (str): Token sent with the renewal request.
+        Returns:
+            bool: Whether the provided token is valid.
         """
-        user_id = yield self.store.get_user_from_renewal_token(renewal_token)
+        try:
+            user_id = yield self.store.get_user_from_renewal_token(renewal_token)
+        except StoreError:
+            defer.returnValue(False)
+
         logger.debug("Renewing an account for user %s", user_id)
         yield self.renew_account_for_user(user_id)
 
+        defer.returnValue(True)
+
     @defer.inlineCallbacks
     def renew_account_for_user(self, user_id, expiration_ts=None, email_sent=False):
         """Renews the account attached to a given user by pushing back the
diff --git a/synapse/res/templates/account_renewed.html b/synapse/res/templates/account_renewed.html
new file mode 100644
index 0000000000..894da030af
--- /dev/null
+++ b/synapse/res/templates/account_renewed.html
@@ -0,0 +1 @@
+<html><body>Your account has been successfully renewed.</body><html>
diff --git a/synapse/res/templates/invalid_token.html b/synapse/res/templates/invalid_token.html
new file mode 100644
index 0000000000..6bd2b98364
--- /dev/null
+++ b/synapse/res/templates/invalid_token.html
@@ -0,0 +1 @@
+<html><body>Invalid renewal token.</body><html>
diff --git a/synapse/rest/client/v2_alpha/account_validity.py b/synapse/rest/client/v2_alpha/account_validity.py
index 133c61900a..33f6a23028 100644
--- a/synapse/rest/client/v2_alpha/account_validity.py
+++ b/synapse/rest/client/v2_alpha/account_validity.py
@@ -42,6 +42,8 @@ class AccountValidityRenewServlet(RestServlet):
         self.hs = hs
         self.account_activity_handler = hs.get_account_validity_handler()
         self.auth = hs.get_auth()
+        self.success_html = hs.config.account_validity.account_renewed_html_content
+        self.failure_html = hs.config.account_validity.invalid_token_html_content
 
     @defer.inlineCallbacks
     def on_GET(self, request):
@@ -49,16 +51,23 @@ class AccountValidityRenewServlet(RestServlet):
             raise SynapseError(400, "Missing renewal token")
         renewal_token = request.args[b"token"][0]
 
-        yield self.account_activity_handler.renew_account(renewal_token.decode("utf8"))
+        token_valid = yield self.account_activity_handler.renew_account(
+            renewal_token.decode("utf8")
+        )
+
+        if token_valid:
+            status_code = 200
+            response = self.success_html
+        else:
+            status_code = 404
+            response = self.failure_html
 
-        request.setResponseCode(200)
+        request.setResponseCode(status_code)
         request.setHeader(b"Content-Type", b"text/html; charset=utf-8")
-        request.setHeader(
-            b"Content-Length", b"%d" % (len(AccountValidityRenewServlet.SUCCESS_HTML),)
-        )
-        request.write(AccountValidityRenewServlet.SUCCESS_HTML)
+        request.setHeader(b"Content-Length", b"%d" % (len(response),))
+        request.write(response.encode("utf8"))
         finish_request(request)
-        return None
+        defer.returnValue(None)
 
 
 class AccountValiditySendMailServlet(RestServlet):
@@ -87,7 +96,7 @@ class AccountValiditySendMailServlet(RestServlet):
         user_id = requester.user.to_string()
         yield self.account_activity_handler.send_renewal_email_to_user(user_id)
 
-        return (200, {})
+        defer.returnValue((200, {}))
 
 
 def register_servlets(hs, http_server):
diff --git a/tests/rest/client/v2_alpha/test_register.py b/tests/rest/client/v2_alpha/test_register.py
index 89a3f95c0a..bb867150f4 100644
--- a/tests/rest/client/v2_alpha/test_register.py
+++ b/tests/rest/client/v2_alpha/test_register.py
@@ -323,6 +323,8 @@ class AccountValidityRenewalByEmailTestCase(unittest.HomeserverTestCase):
             "renew_at": 172800000,  # Time in ms for 2 days
             "renew_by_email_enabled": True,
             "renew_email_subject": "Renew your account",
+            "account_renewed_html_path": "account_renewed.html",
+            "invalid_token_html_path": "invalid_token.html",
         }
 
         # Email config.
@@ -373,6 +375,19 @@ class AccountValidityRenewalByEmailTestCase(unittest.HomeserverTestCase):
         self.render(request)
         self.assertEquals(channel.result["code"], b"200", channel.result)
 
+        # Check that we're getting HTML back.
+        content_type = None
+        for header in channel.result.get("headers", []):
+            if header[0] == b"Content-Type":
+                content_type = header[1]
+        self.assertEqual(content_type, b"text/html; charset=utf-8", channel.result)
+
+        # Check that the HTML we're getting is the one we expect on a successful renewal.
+        expected_html = self.hs.config.account_validity.account_renewed_html_content
+        self.assertEqual(
+            channel.result["body"], expected_html.encode("utf8"), channel.result
+        )
+
         # Move 3 days forward. If the renewal failed, every authed request with
         # our access token should be denied from now, otherwise they should
         # succeed.
@@ -381,6 +396,28 @@ class AccountValidityRenewalByEmailTestCase(unittest.HomeserverTestCase):
         self.render(request)
         self.assertEquals(channel.result["code"], b"200", channel.result)
 
+    def test_renewal_invalid_token(self):
+        # Hit the renewal endpoint with an invalid token and check that it behaves as
+        # expected, i.e. that it responds with 404 Not Found and the correct HTML.
+        url = "/_matrix/client/unstable/account_validity/renew?token=123"
+        request, channel = self.make_request(b"GET", url)
+        self.render(request)
+        self.assertEquals(channel.result["code"], b"404", channel.result)
+
+        # Check that we're getting HTML back.
+        content_type = None
+        for header in channel.result.get("headers", []):
+            if header[0] == b"Content-Type":
+                content_type = header[1]
+        self.assertEqual(content_type, b"text/html; charset=utf-8", channel.result)
+
+        # Check that the HTML we're getting is the one we expect when using an
+        # invalid/unknown token.
+        expected_html = self.hs.config.account_validity.invalid_token_html_content
+        self.assertEqual(
+            channel.result["body"], expected_html.encode("utf8"), channel.result
+        )
+
     def test_manual_email_send(self):
         self.email_attempts = []
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