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author3nprob <74199244+3nprob@users.noreply.github.com>2022-07-29 10:29:23 +0000
committerGitHub <noreply@github.com>2022-07-29 10:29:23 +0000
commit98fb610cc043e4f6ba77f78aaecef6b646bf61d6 (patch)
tree2df94e4838427834202db01ed0bb1574d4a1556d /synapse/handlers/identity.py
parentExplain less-known term 'Implicit TLS' (diff)
downloadsynapse-98fb610cc043e4f6ba77f78aaecef6b646bf61d6.tar.xz
Revert "Drop support for delegating email validation (#13192)" (#13406)
Reverts commit fa71bb18b527d1a3e2629b48640ea67fff2f8c59, and tweaks documentation.

Signed-off-by: 3nprob <git@3n.anonaddy.com>
Diffstat (limited to 'synapse/handlers/identity.py')
-rw-r--r--synapse/handlers/identity.py56
1 files changed, 55 insertions, 1 deletions
diff --git a/synapse/handlers/identity.py b/synapse/handlers/identity.py
index 9571d461c8..e5afe84df9 100644
--- a/synapse/handlers/identity.py
+++ b/synapse/handlers/identity.py
@@ -26,6 +26,7 @@ from synapse.api.errors import (
     SynapseError,
 )
 from synapse.api.ratelimiting import Ratelimiter
+from synapse.config.emailconfig import ThreepidBehaviour
 from synapse.http import RequestTimedOutError
 from synapse.http.client import SimpleHttpClient
 from synapse.http.site import SynapseRequest
@@ -415,6 +416,48 @@ class IdentityHandler:
 
         return session_id
 
+    async def request_email_token(
+        self,
+        id_server: str,
+        email: str,
+        client_secret: str,
+        send_attempt: int,
+        next_link: Optional[str] = None,
+    ) -> JsonDict:
+        """
+        Request an external server send an email on our behalf for the purposes of threepid
+        validation.
+
+        Args:
+            id_server: The identity server to proxy to
+            email: The email to send the message to
+            client_secret: The unique client_secret sends by the user
+            send_attempt: Which attempt this is
+            next_link: A link to redirect the user to once they submit the token
+
+        Returns:
+            The json response body from the server
+        """
+        params = {
+            "email": email,
+            "client_secret": client_secret,
+            "send_attempt": send_attempt,
+        }
+        if next_link:
+            params["next_link"] = next_link
+
+        try:
+            data = await self.http_client.post_json_get_json(
+                id_server + "/_matrix/identity/api/v1/validate/email/requestToken",
+                params,
+            )
+            return data
+        except HttpResponseException as e:
+            logger.info("Proxied requestToken failed: %r", e)
+            raise e.to_synapse_error()
+        except RequestTimedOutError:
+            raise SynapseError(500, "Timed out contacting identity server")
+
     async def requestMsisdnToken(
         self,
         id_server: str,
@@ -488,7 +531,18 @@ class IdentityHandler:
         validation_session = None
 
         # Try to validate as email
-        if self.hs.config.email.can_verify_email:
+        if self.hs.config.email.threepid_behaviour_email == ThreepidBehaviour.REMOTE:
+            # Remote emails will only be used if a valid identity server is provided.
+            assert (
+                self.hs.config.registration.account_threepid_delegate_email is not None
+            )
+
+            # Ask our delegated email identity server
+            validation_session = await self.threepid_from_creds(
+                self.hs.config.registration.account_threepid_delegate_email,
+                threepid_creds,
+            )
+        elif self.hs.config.email.threepid_behaviour_email == ThreepidBehaviour.LOCAL:
             # Get a validated session matching these details
             validation_session = await self.store.get_threepid_validation_session(
                 "email", client_secret, sid=sid, validated=True