mirror of
https://github.com/matrix-construct/construct
synced 2024-11-17 23:40:57 +01:00
187 lines
4.5 KiB
C++
187 lines
4.5 KiB
C++
/*
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* Copyright (C) 2017 Charybdis Development Team
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* Copyright (C) 2017 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.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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using namespace ircd;
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resource login_resource
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{
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"_matrix/client/r0/login",
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"Authenticates the user by password, and issues an access token "
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"they can use to authorize themself in subsequent requests. (3.2.2)"
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};
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const auto home_server
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{
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// "The hostname of the homeserver on which the account has been registered."
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"cdc.z"
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};
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namespace { namespace name
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{
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constexpr const auto password{"password"};
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constexpr const auto medium{"medium"};
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constexpr const auto type{"type"};
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constexpr const auto user{"user"};
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constexpr const auto address{"address"};
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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::password, string_view>,
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json::property<name::medium, time_t>,
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json::property<name::type, string_view>,
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json::property<name::user, string_view>,
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json::property<name::address, string_view>
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>
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{
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using super_type::tuple;
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};
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resource::response
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post_login_password(client &client,
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const resource::request::object<body> &request)
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{
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// Build a canonical MXID from a the user field
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const m::id::user::buf user_id
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{
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unquote(at<name::user>(request)), home_server
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};
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if(!user_id.valid() || user_id.host() != home_server)
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throw m::error
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{
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http::FORBIDDEN, "M_FORBIDDEN", "Access denied."
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};
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const auto &supplied_password
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{
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unquote(at<name::password>(request))
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};
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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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if(!user.is_password(supplied_password))
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throw m::error
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{
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http::FORBIDDEN, "M_FORBIDDEN", "Access denied."
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};
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if(!user.is_active())
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throw m::error
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{
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http::FORBIDDEN, "M_FORBIDDEN", "Access denied."
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};
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// Generate the access token
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static constexpr const auto token_len{127};
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static const auto token_dict{rand::dict::alpha};
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char token_buf[token_len + 1];
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const string_view access_token
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{
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rand::string(token_dict, token_len, token_buf, sizeof(token_buf))
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};
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// Log the user in by issuing an event in the sessions room containing
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// the generated token. When this call completes without throwing the
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// access_token will be committed and the user will be logged in.
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m::user::sessions.send(
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{
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{ "type", "ircd.access_token" },
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{ "sender", user_id },
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{ "state_key", access_token },
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{ "content", json::members
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{
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{ "ip", string(remote_addr(client)) },
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{ "device", "unknown" },
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}}
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});
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// Send response to user
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return resource::response
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{
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client,
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{
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{ "user_id", user_id },
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{ "home_server", home_server },
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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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post_login(client &client, const resource::request::object<body> &request)
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{
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// x.x.x Required. The login type being used.
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// Currently only "m.login.password" is supported.
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const auto type
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{
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unquote(at<name::type>(request))
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};
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if(type == "m.login.password")
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return post_login_password(client, request);
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else
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throw m::error
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{
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"M_UNSUPPORTED", "Login type is not supported."
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};
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}
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resource::method method_post
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{
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login_resource, "POST", post_login
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};
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resource::response
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get_login(client &client, const resource::request &request)
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{
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json::member login_password
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{
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"type", "m.login.password"
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};
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json::value flows[1]
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{
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{ login_password }
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};
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return resource::response
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{
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client, json::members
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{
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{ "flows", { flows, 1 } }
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}
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};
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}
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resource::method method_get
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{
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login_resource, "GET", get_login
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};
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mapi::header IRCD_MODULE
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{
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"registers the resource 'client/login' to handle requests"
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};
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