A request to add an email address to your Matrix account has been received. If this was you, please click the link below to confirm adding this email:
+ + {{ link }} + +If this was not you, you can safely ignore this email. Thank you.
+ + diff --git a/synapse/res/templates/add_threepid.txt b/synapse/res/templates/add_threepid.txt new file mode 100644 index 000000000..a60c1ff65 --- /dev/null +++ b/synapse/res/templates/add_threepid.txt @@ -0,0 +1,6 @@ +A request to add an email address to your Matrix account has been received. If this was you, +please click the link below to confirm adding this email: + +{{ link }} + +If this was not you, you can safely ignore this email. Thank you. diff --git a/synapse/res/templates/add_threepid_failure.html b/synapse/res/templates/add_threepid_failure.html new file mode 100644 index 000000000..441d11c84 --- /dev/null +++ b/synapse/res/templates/add_threepid_failure.html @@ -0,0 +1,8 @@ + + + +The request failed for the following reason: {{ failure_reason }}.
+ +No changes have been made to your account.
+ + diff --git a/synapse/res/templates/add_threepid_success.html b/synapse/res/templates/add_threepid_success.html new file mode 100644 index 000000000..fbd6e4018 --- /dev/null +++ b/synapse/res/templates/add_threepid_success.html @@ -0,0 +1,6 @@ + + + +Your email has now been validated, please return to your client. You may now close this window.
+ + diff --git a/synapse/rest/client/v2_alpha/account.py b/synapse/rest/client/v2_alpha/account.py index 3c5b23dc8..1139bb156 100644 --- a/synapse/rest/client/v2_alpha/account.py +++ b/synapse/rest/client/v2_alpha/account.py @@ -21,7 +21,12 @@ from six.moves import http_client from twisted.internet import defer from synapse.api.constants import LoginType -from synapse.api.errors import Codes, SynapseError, ThreepidValidationError +from synapse.api.errors import ( + Codes, + HttpResponseException, + SynapseError, + ThreepidValidationError, +) from synapse.config.emailconfig import ThreepidBehaviour from synapse.http.server import finish_request from synapse.http.servlet import ( @@ -103,16 +108,9 @@ 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, @@ -214,6 +212,11 @@ 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): @@ -261,13 +264,8 @@ 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) @@ -399,13 +397,35 @@ 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"] @@ -425,9 +445,30 @@ 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 @@ -471,9 +512,86 @@ class MsisdnThreepidRequestTokenRestServlet(RestServlet): ret = yield self.identity_handler.requestMsisdnToken( id_server, country, phone_number, client_secret, send_attempt, next_link ) + return 200, ret +class AddThreepidSubmitTokenServlet(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 ThreepidRestServlet(RestServlet): PATTERNS = client_patterns("/account/3pid$") @@ -495,6 +613,8 @@ 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") @@ -502,26 +622,85 @@ class ThreepidRestServlet(RestServlet): raise SynapseError( 400, "Missing param three_pid_creds", Codes.MISSING_PARAM ) + assert_params_in_dict(threepid_creds, ["client_secret", "sid"]) - requester = yield self.auth.get_user_by_req(request) - user_id = requester.user.to_string() + client_secret = threepid_creds["client_secret"] + sid = threepid_creds["sid"] - # 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) + # We don't actually know which medium this 3PID is. Thus we first assume it's email, + # and if validation fails we try msisdn + validation_session = None - if not threepid: - raise SynapseError(400, "Failed to auth 3pid", Codes.THREEPID_AUTH_FAILED) + # Try to validate as email + if self.hs.config.threepid_behaviour_email == ThreepidBehaviour.REMOTE: + # Ask our delegated email identity server + try: + validation_session = yield self.identity_handler.threepid_from_creds( + self.hs.config.account_threepid_delegate_email, threepid_creds + ) + except HttpResponseException: + logger.debug( + "%s reported non-validated threepid: %s", + self.hs.config.account_threepid_delegate_email, + threepid_creds, + ) + elif self.hs.config.threepid_behaviour_email == ThreepidBehaviour.LOCAL: + # Get a validated session matching these details + validation_session = yield self.datastore.get_threepid_validation_session( + "email", client_secret, sid=sid, validated=True + ) - 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") + # Old versions of Sydent return a 200 http code even on a failed validation check. + # Thus, in addition to the HttpResponseException check above (which checks for + # non-200 errors), we need to make sure validation_session isn't actually an error, + # identified by containing an "error" key + # See https://github.com/matrix-org/sydent/issues/215 for details + if validation_session and "error" not in validation_session: + yield self._add_threepid_to_account(user_id, validation_session) + return 200, {} - yield self.auth_handler.add_threepid( - user_id, threepid["medium"], threepid["address"], threepid["validated_at"] + # Try to validate as msisdn + if self.hs.config.account_threepid_delegate_msisdn: + # Ask our delegated msisdn identity server + try: + validation_session = yield self.identity_handler.threepid_from_creds( + self.hs.config.account_threepid_delegate_msisdn, threepid_creds + ) + except HttpResponseException: + logger.debug( + "%s reported non-validated threepid: %s", + self.hs.config.account_threepid_delegate_email, + threepid_creds, + ) + + # Check that validation_session isn't actually an error due to old Sydent instances + # See explanatory comment above + if validation_session and "error" not in validation_session: + yield self._add_threepid_to_account(user_id, validation_session) + return 200, {} + + raise SynapseError( + 400, "No validated 3pid session found", Codes.THREEPID_AUTH_FAILED ) - return 200, {} + @defer.inlineCallbacks + def _add_threepid_to_account(self, user_id, validation_session): + """Add a threepid wrapped in a validation_session dict to an account + + Args: + user_id (str): The mxid of the user to add this 3PID to + + validation_session (dict): A dict containing the following: + * medium - medium of the threepid + * address - address of the threepid + * validated_at - timestamp of when the validation occurred + """ + yield self.auth_handler.add_threepid( + user_id, + validation_session["medium"], + validation_session["address"], + validation_session["validated_at"], + ) class ThreepidUnbindRestServlet(RestServlet): @@ -613,6 +792,7 @@ def register_servlets(hs, http_server): DeactivateAccountRestServlet(hs).register(http_server) EmailThreepidRequestTokenRestServlet(hs).register(http_server) MsisdnThreepidRequestTokenRestServlet(hs).register(http_server) + AddThreepidSubmitTokenServlet(hs).register(http_server) ThreepidRestServlet(hs).register(http_server) ThreepidUnbindRestServlet(hs).register(http_server) ThreepidDeleteRestServlet(hs).register(http_server) diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py index 5c7a5f357..34276ea3f 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 +240,12 @@ 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], + ) + @defer.inlineCallbacks def on_GET(self, request, medium): if medium != "email": @@ -289,17 +289,11 @@ 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) diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py index 109052fa4..da27ad76b 100644 --- a/synapse/storage/registration.py +++ b/synapse/storage/registration.py @@ -24,7 +24,7 @@ from six.moves import range from twisted.internet import defer from synapse.api.constants import UserTypes -from synapse.api.errors import Codes, StoreError, ThreepidValidationError +from synapse.api.errors import Codes, StoreError, SynapseError, ThreepidValidationError from synapse.metrics.background_process_metrics import run_as_background_process from synapse.storage import background_updates from synapse.storage._base import SQLBaseStore @@ -661,18 +661,31 @@ class RegistrationWorkerStore(SQLBaseStore): medium (str|None): The medium of the 3PID address (str|None): The address of the 3PID sid (str|None): The ID of the validation session - client_secret (str|None): A unique string provided by the client to - help identify this validation attempt + client_secret (str): A unique string provided by the client to help identify this + validation attempt validated (bool|None): Whether sessions should be filtered by whether they have been validated already or not. None to perform no filtering Returns: - deferred {str, int}|None: A dict containing the - latest session_id and send_attempt count for this 3PID. - Otherwise None if there hasn't been a previous attempt + Deferred[dict|None]: A dict containing the following: + * address - address of the 3pid + * medium - medium of the 3pid + * client_secret - a secret provided by the client for this validation session + * session_id - ID of the validation session + * send_attempt - a number serving to dedupe send attempts for this session + * validated_at - timestamp of when this session was validated if so + + Otherwise None if a validation session is not found """ - keyvalues = {"medium": medium, "client_secret": client_secret} + if not client_secret: + raise SynapseError( + 400, "Missing parameter: client_secret", errcode=Codes.MISSING_PARAM + ) + + keyvalues = {"client_secret": client_secret} + if medium: + keyvalues["medium"] = medium if address: keyvalues["address"] = address if sid: @@ -1209,6 +1222,10 @@ class RegistrationStore( current_ts (int): The current unix time in milliseconds. Used for checking token expiry status + Raises: + ThreepidValidationError: if a matching validation token was not found or has + expired + Returns: deferred str|None: A str representing a link to redirect the user to if there is one.