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Allow Synapse to send registration emails + choose Synapse or an external server to handle 3pid validation (#5987)
This is a combination of a few different PRs, finally all being merged into `develop`:
* #5875
* #5876
* #5868 (This one added the `/versions` flag but the flag itself was actually [backed out](891afb57cb (diff-e591d42d30690ffb79f63bb726200891)) in #5969. What's left is just giving /versions access to the config file, which could be useful in the future)
* #5835
* #5969
* #5940
Clients should not actually use the new registration functionality until https://github.com/matrix-org/synapse/pull/5972 is merged.
UPGRADE.rst, changelog entries and config file changes should all be reviewed closely before this PR is merged.
This commit is contained in:
Andrew Morgan
GitHub
parent
f7c873a643
commit
0c0b82b6d1
29 changed files with 822 additions and 304 deletions
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@ -29,6 +29,7 @@ from synapse.api.errors import (
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HttpResponseException,
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SynapseError,
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)
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from synapse.util.stringutils import random_string
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from ._base import BaseHandler
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@ -41,25 +42,7 @@ class IdentityHandler(BaseHandler):
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self.http_client = hs.get_simple_http_client()
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self.federation_http_client = hs.get_http_client()
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self.trusted_id_servers = set(hs.config.trusted_third_party_id_servers)
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self.trust_any_id_server_just_for_testing_do_not_use = (
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hs.config.use_insecure_ssl_client_just_for_testing_do_not_use
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)
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def _should_trust_id_server(self, id_server):
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if id_server not in self.trusted_id_servers:
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if self.trust_any_id_server_just_for_testing_do_not_use:
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logger.warn(
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"Trusting untrustworthy ID server %r even though it isn't"
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" in the trusted id list for testing because"
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" 'use_insecure_ssl_client_just_for_testing_do_not_use'"
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" is set in the config",
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id_server,
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)
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else:
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return False
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return True
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self.hs = hs
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def _extract_items_from_creds_dict(self, creds):
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"""
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@ -132,13 +115,6 @@ class IdentityHandler(BaseHandler):
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"/_matrix/identity/api/v1/3pid/getValidated3pid",
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)
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if not self._should_trust_id_server(id_server):
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logger.warn(
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"%s is not a trusted ID server: rejecting 3pid " + "credentials",
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id_server,
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)
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return None
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try:
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data = yield self.http_client.get_json(url, query_params)
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return data if "medium" in data else None
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@ -305,28 +281,122 @@ class IdentityHandler(BaseHandler):
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return changed
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@defer.inlineCallbacks
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def send_threepid_validation(
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self,
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email_address,
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client_secret,
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send_attempt,
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send_email_func,
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next_link=None,
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):
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"""Send a threepid validation email for password reset or
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registration purposes
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Args:
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email_address (str): The user's email address
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client_secret (str): The provided client secret
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send_attempt (int): Which send attempt this is
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send_email_func (func): A function that takes an email address, token,
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client_secret and session_id, sends an email
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and returns a Deferred.
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next_link (str|None): The URL to redirect the user to after validation
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Returns:
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The new session_id upon success
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Raises:
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SynapseError is an error occurred when sending the email
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"""
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# Check that this email/client_secret/send_attempt combo is new or
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# greater than what we've seen previously
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session = yield self.store.get_threepid_validation_session(
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"email", client_secret, address=email_address, validated=False
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)
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# Check to see if a session already exists and that it is not yet
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# marked as validated
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if session and session.get("validated_at") is None:
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session_id = session["session_id"]
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last_send_attempt = session["last_send_attempt"]
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# Check that the send_attempt is higher than previous attempts
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if send_attempt <= last_send_attempt:
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# If not, just return a success without sending an email
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return session_id
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else:
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# An non-validated session does not exist yet.
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# Generate a session id
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session_id = random_string(16)
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# Generate a new validation token
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token = random_string(32)
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# Send the mail with the link containing the token, client_secret
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# and session_id
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try:
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yield send_email_func(email_address, token, client_secret, session_id)
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except Exception:
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logger.exception(
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"Error sending threepid validation email to %s", email_address
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)
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raise SynapseError(500, "An error was encountered when sending the email")
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token_expires = (
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self.hs.clock.time_msec() + self.hs.config.email_validation_token_lifetime
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)
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yield self.store.start_or_continue_validation_session(
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"email",
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email_address,
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session_id,
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client_secret,
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send_attempt,
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next_link,
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token,
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token_expires,
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)
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return session_id
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@defer.inlineCallbacks
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def requestEmailToken(
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self, id_server, email, client_secret, send_attempt, next_link=None
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):
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if not self._should_trust_id_server(id_server):
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raise SynapseError(
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400, "Untrusted ID server '%s'" % id_server, Codes.SERVER_NOT_TRUSTED
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)
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"""
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Request an external server send an email on our behalf for the purposes of threepid
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validation.
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Args:
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id_server (str): The identity server to proxy to
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email (str): The email to send the message to
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client_secret (str): The unique client_secret sends by the user
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send_attempt (int): Which attempt this is
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next_link: A link to redirect the user to once they submit the token
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Returns:
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The json response body from the server
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"""
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params = {
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"email": email,
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"client_secret": client_secret,
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"send_attempt": send_attempt,
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}
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if next_link:
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params.update({"next_link": next_link})
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params["next_link"] = next_link
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if self.hs.config.using_identity_server_from_trusted_list:
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# Warn that a deprecated config option is in use
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logger.warn(
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'The config option "trust_identity_server_for_password_resets" '
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'has been replaced by "account_threepid_delegate". '
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"Please consult the sample config at docs/sample_config.yaml for "
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"details and update your config file."
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)
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try:
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data = yield self.http_client.post_json_get_json(
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"https://%s%s"
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% (id_server, "/_matrix/identity/api/v1/validate/email/requestToken"),
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id_server + "/_matrix/identity/api/v1/validate/email/requestToken",
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params,
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)
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return data
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@ -336,25 +406,49 @@ class IdentityHandler(BaseHandler):
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@defer.inlineCallbacks
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def requestMsisdnToken(
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self, id_server, country, phone_number, client_secret, send_attempt, **kwargs
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self,
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id_server,
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country,
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phone_number,
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client_secret,
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send_attempt,
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next_link=None,
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):
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if not self._should_trust_id_server(id_server):
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raise SynapseError(
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400, "Untrusted ID server '%s'" % id_server, Codes.SERVER_NOT_TRUSTED
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)
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"""
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Request an external server send an SMS message on our behalf for the purposes of
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threepid validation.
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Args:
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id_server (str): The identity server to proxy to
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country (str): The country code of the phone number
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phone_number (str): The number to send the message to
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client_secret (str): The unique client_secret sends by the user
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send_attempt (int): Which attempt this is
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next_link: A link to redirect the user to once they submit the token
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Returns:
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The json response body from the server
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"""
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params = {
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"country": country,
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"phone_number": phone_number,
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"client_secret": client_secret,
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"send_attempt": send_attempt,
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}
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params.update(kwargs)
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if next_link:
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params["next_link"] = next_link
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if self.hs.config.using_identity_server_from_trusted_list:
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# Warn that a deprecated config option is in use
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logger.warn(
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'The config option "trust_identity_server_for_password_resets" '
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'has been replaced by "account_threepid_delegate". '
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"Please consult the sample config at docs/sample_config.yaml for "
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"details and update your config file."
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)
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try:
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data = yield self.http_client.post_json_get_json(
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"https://%s%s"
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% (id_server, "/_matrix/identity/api/v1/validate/msisdn/requestToken"),
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id_server + "/_matrix/identity/api/v1/validate/msisdn/requestToken",
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params,
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)
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return data
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