mirror of
https://github.com/matrix-construct/construct
synced 2024-11-16 23:10:54 +01:00
219 lines
5 KiB
C++
219 lines
5 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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using namespace ircd;
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namespace { namespace name
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{
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constexpr const auto username {"username"};
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constexpr const auto bind_email {"bind_email"};
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constexpr const auto password {"password"};
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constexpr const auto auth {"auth"};
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}}
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struct body
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:json::tuple
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<
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json::property<name::username, string_view>,
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json::property<name::bind_email, bool>,
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json::property<name::password, string_view>,
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json::property<name::auth, json::object>
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>
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{
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using super_type::tuple;
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};
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static void validate_user_id(const m::id::user &user_id);
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static void validate_password(const string_view &password);
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resource::response
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handle_post_kind_user(client &client,
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const resource::request::object<body> &request)
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try
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{
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// 3.3.1 Additional authentication information for the user-interactive authentication API.
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const json::object auth
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{
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json::get<"auth"_>(request)
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};
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// 3.3.1 Required. The login type that the client is attempting to complete.
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const string_view type
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{
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!empty(auth)? unquote(auth.at("type")) : string_view{}
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};
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// We only support this for now, for some reason. TODO: XXX
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if(type && type != "m.login.dummy")
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throw m::error
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{
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"M_UNSUPPORTED", "Registration '%s' not supported.", type
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};
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// 3.3.1 The local part of the desired Matrix ID. If omitted, the homeserver MUST
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// generate a Matrix ID local part.
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const auto &username
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{
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unquote(json::get<"username"_>(request))
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};
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// Generate canonical mxid. The home_server is appended if one is not
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// specified. We do not generate a user_id here if the local part is not
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// specified. TODO: isn't that guest reg?
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const m::id::user::buf user_id
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{
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username, my_host()
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};
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// Check if the the user_id is acceptably formed for this server or throws
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validate_user_id(user_id);
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// 3.3.1 Required. The desired password for the account.
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const auto &password
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{
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unquote(at<"password"_>(request))
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};
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// 3.3.1 If true, the server binds the email used for authentication to the
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// Matrix ID with the ID Server. Defaults to false.
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const auto &bind_email
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{
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get<"bind_email"_>(request, false)
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};
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// Check if the password is acceptable for this server or throws
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validate_password(password);
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// Represent the user
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m::user user
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{
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user_id
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};
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// Activate the account. Underneath this will create a special room
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// for this user in the form of !@user:host and set a key in !users:host
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// If the user_id is taken this throws 409 Conflict because those assets
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// will already exist; otherwise the user is registered after this call.
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user.activate(
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{
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{ "bind_email", bind_email },
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});
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// Set the password for the account. This issues an ircd.password state
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// event to the user's room. User will be able to login with
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// m.login.password
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user.password(password);
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// Send response to user
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return resource::response
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{
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client, http::CREATED,
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{
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{ "user_id", user_id },
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{ "home_server", my_host() },
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// { "access_token", access_token },
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}
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};
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}
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catch(const m::INVALID_MXID &e)
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{
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throw m::error
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{
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http::BAD_REQUEST,
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"M_INVALID_USERNAME",
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"Not a valid username. Please try again."
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};
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};
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resource::response
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handle_post_kind_guest(client &client,
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const resource::request::object<body> &request)
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{
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const m::id::user::buf user_id
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{
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m::generate, my_host()
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};
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return resource::response
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{
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client, http::CREATED,
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{
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{ "user_id", user_id },
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{ "home_server", my_host() },
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// { "access_token", access_token },
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}
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};
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}
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resource::response
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handle_post(client &client,
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const resource::request::object<body> &request)
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{
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const auto kind
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{
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request.query["kind"]
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};
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if(kind == "guest")
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return handle_post_kind_guest(client, request);
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if(kind.empty() || kind == "user")
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return handle_post_kind_user(client, request);
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throw m::error
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{
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http::BAD_REQUEST,
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"M_UNKNOWN",
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"Unknown 'kind' of registration specified in query."
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};
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}
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resource register_resource
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{
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"/_matrix/client/r0/register",
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{
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"Register for an account on this homeserver. (3.3.1)"
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}
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};
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resource::method post
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{
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register_resource, "POST", handle_post
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};
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mapi::header IRCD_MODULE
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{
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"registers the resource 'client/register' to handle requests"
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};
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void
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validate_user_id(const m::id::user &user_id)
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{
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if(user_id.host() != my_host())
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throw m::error
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{
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http::BAD_REQUEST,
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"M_INVALID_USERNAME",
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"Can only register with host '%s'",
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my_host()
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};
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}
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void
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validate_password(const string_view &password)
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{
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if(password.size() > 255)
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throw m::error
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{
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http::BAD_REQUEST,
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"M_INVALID_PASSWORD",
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"The desired password is too long"
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};
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}
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