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< h2 style = "color:red" >
This page of the Synapse documentation is now deprecated. For up to date
documentation on setting up or writing a password auth provider module, please see
< a href = "modules/index.html" > this page< / a > .
< / h2 >
< h1 id = "password-auth-provider-modules" > < a class = "header" href = "#password-auth-provider-modules" > Password auth provider modules< / a > < / h1 >
< p > Password auth providers offer a way for server administrators to
integrate their Synapse installation with an existing authentication
system.< / p >
< p > A password auth provider is a Python class which is dynamically loaded
into Synapse, and provides a number of methods by which it can integrate
with the authentication system.< / p >
< p > This document serves as a reference for those looking to implement their
own password auth providers. Additionally, here is a list of known
password auth provider module implementations:< / p >
< ul >
< li > < a href = "https://github.com/matrix-org/matrix-synapse-ldap3/" > matrix-synapse-ldap3< / a > < / li >
< li > < a href = "https://github.com/devture/matrix-synapse-shared-secret-auth" > matrix-synapse-shared-secret-auth< / a > < / li >
< li > < a href = "https://github.com/ma1uta/matrix-synapse-rest-password-provider" > matrix-synapse-rest-password-provider< / a > < / li >
< / ul >
< h2 id = "required-methods" > < a class = "header" href = "#required-methods" > Required methods< / a > < / h2 >
< p > Password auth provider classes must provide the following methods:< / p >
< ul >
< li >
< p > < code > parse_config(config)< / code >
This method is passed the < code > config< / code > object for this module from the
homeserver configuration file.< / p >
< p > It should perform any appropriate sanity checks on the provided
configuration, and return an object which is then passed into
< code > __init__< / code > .< / p >
< p > This method should have the < code > @staticmethod< / code > decoration.< / p >
< / li >
< li >
< p > < code > __init__(self, config, account_handler)< / code > < / p >
< p > The constructor is passed the config object returned by
< code > parse_config< / code > , and a < code > synapse.module_api.ModuleApi< / code > object which
allows the password provider to check if accounts exist and/or create
new ones.< / p >
< / li >
< / ul >
< h2 id = "optional-methods" > < a class = "header" href = "#optional-methods" > Optional methods< / a > < / h2 >
< p > Password auth provider classes may optionally provide the following methods:< / p >
< ul >
< li >
< p > < code > get_db_schema_files(self)< / code > < / p >
< p > This method, if implemented, should return an Iterable of
< code > (name, stream)< / code > pairs of database schema files. Each file is applied
in turn at initialisation, and a record is then made in the database
so that it is not re-applied on the next start.< / p >
< / li >
< li >
< p > < code > get_supported_login_types(self)< / code > < / p >
< p > This method, if implemented, should return a < code > dict< / code > mapping from a
login type identifier (such as < code > m.login.password< / code > ) to an iterable
giving the fields which must be provided by the user in the submission
to < a href = "https://matrix.org/docs/spec/client_server/latest#post-matrix-client-r0-login" > the < code > /login< / code > API< / a > .
These fields are passed in the < code > login_dict< / code > dictionary to < code > check_auth< / code > .< / p >
< p > For example, if a password auth provider wants to implement a custom
login type of < code > com.example.custom_login< / code > , where the client is expected
to pass the fields < code > secret1< / code > and < code > secret2< / code > , the provider should
implement this method and return the following dict:< / p >
< pre > < code class = "language-python" > {" com.example.custom_login" : (" secret1" , " secret2" )}
< / code > < / pre >
< / li >
< li >
< p > < code > check_auth(self, username, login_type, login_dict)< / code > < / p >
< p > This method does the real work. If implemented, it
will be called for each login attempt where the login type matches one
of the keys returned by < code > get_supported_login_types< / code > .< / p >
< p > It is passed the (possibly unqualified) < code > user< / code > field provided by the client,
the login type, and a dictionary of login secrets passed by the
client.< / p >
< p > The method should return an < code > Awaitable< / code > object, which resolves
to the canonical < code > @localpart:domain< / code > user ID if authentication is
successful, and < code > None< / code > if not.< / p >
< p > Alternatively, the < code > Awaitable< / code > can resolve to a < code > (str, func)< / code > tuple, in
which case the second field is a callback which will be called with
the result from the < code > /login< / code > call (including < code > access_token< / code > ,
< code > device_id< / code > , etc.)< / p >
< / li >
< li >
< p > < code > check_3pid_auth(self, medium, address, password)< / code > < / p >
< p > This method, if implemented, is called when a user attempts to
register or log in with a third party identifier, such as email. It is
passed the medium (ex. " email" ), an address (ex.
" < a href = "mailto:jdoe@example.com" > jdoe@example.com< / a > " ) and the user's password.< / p >
< p > The method should return an < code > Awaitable< / code > object, which resolves
to a < code > str< / code > containing the user's (canonical) User id if
authentication was successful, and < code > None< / code > if not.< / p >
< p > As with < code > check_auth< / code > , the < code > Awaitable< / code > may alternatively resolve to a
< code > (user_id, callback)< / code > tuple.< / p >
< / li >
< li >
< p > < code > check_password(self, user_id, password)< / code > < / p >
< p > This method provides a simpler interface than
< code > get_supported_login_types< / code > and < code > check_auth< / code > for password auth
providers that just want to provide a mechanism for validating
< code > m.login.password< / code > logins.< / p >
< p > If implemented, it will be called to check logins with an
< code > m.login.password< / code > login type. It is passed a qualified
< code > @localpart:domain< / code > user id, and the password provided by the user.< / p >
< p > The method should return an < code > Awaitable< / code > object, which resolves
to < code > True< / code > if authentication is successful, and < code > False< / code > if not.< / p >
< / li >
< li >
< p > < code > on_logged_out(self, user_id, device_id, access_token)< / code > < / p >
< p > This method, if implemented, is called when a user logs out. It is
passed the qualified user ID, the ID of the deactivated device (if
any: access tokens are occasionally created without an associated
device ID), and the (now deactivated) access token.< / p >
< p > It may return an < code > Awaitable< / code > object; the logout request will
wait for the < code > Awaitable< / code > to complete, but the result is ignored.< / p >
< / li >
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