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construct/modules/client/directory/room.cc

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2018-02-04 03:22:01 +01:00
// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
using namespace ircd;
mapi::header
IRCD_MODULE
{
"Client 7.2 :Room aliases"
};
m::resource
directory_room_resource
{
"/_matrix/client/r0/directory/room/",
{
"(7.2) Room aliases",
directory_room_resource.DIRECTORY
}
};
static m::resource::response
get__directory_room(client &client,
const m::resource::request &request);
m::resource::method
directory_room_get
{
directory_room_resource, "GET", get__directory_room
};
m::resource::response
get__directory_room(client &client,
const m::resource::request &request)
{
m::room::alias::buf room_alias
{
url::decode(room_alias, request.parv[0])
};
const m::room::id::buf room_id
{
m::room_id(room_alias)
};
return m::resource::response
{
client, json::members
{
{ "room_id", room_id }
}
};
}
static m::resource::response
put__directory_room(client &client,
const m::resource::request &request);
m::resource::method
directory_room_put
{
directory_room_resource, "PUT", put__directory_room,
{
directory_room_put.REQUIRES_AUTH
}
};
m::resource::response
put__directory_room(client &client,
const m::resource::request &request)
{
if(request.parv.size() < 1)
throw m::NEED_MORE_PARAMS
{
"Room alias path parameter missing"
};
m::room::alias::buf room_alias
{
url::decode(room_alias, request.parv[0])
};
const m::room::id &room_id
{
unquote(request.at("room_id"))
};
if(!exists(room_id))
throw m::NOT_FOUND
{
"Room %s is not found here.",
string_view{room_id}
};
const unique_mutable_buffer buf
{
48_KiB
};
// Generate the new content of the m.room.aliases
json::stack out{buf};
{
json::stack::object content
{
out
};
json::stack::array array
{
content, "aliases"
};
// Iterate existing aliases for host
const m::room::aliases aliases{room_id};
aliases.for_each(room_alias.host(), [&room_alias, &array]
(const m::room::alias &existing_alias)
{
// Check for duplicate
if(iequals(existing_alias, room_alias))
throw m::error
{
http::CONFLICT, "M_EXISTS",
"Room alias %s already exists",
string_view{room_alias},
};
// Add existing alias
array.append(existing_alias);
return true;
});
//Add new alias
array.append(room_alias);
}
// Commit the new event
// TODO: ABA with another aliases event.
const auto eid
{
m::send(room_id, request.user_id, "m.room.aliases", room_alias.host(), json::object
{
out.completed()
})
};
return m::resource::response
{
client, json::members
{
{ "event_id", eid }
}
};
}
static m::resource::response
delete__directory_room(client &client,
const m::resource::request &request);
m::resource::method
directory_room_delete
{
directory_room_resource, "DELETE", delete__directory_room,
{
directory_room_delete.REQUIRES_AUTH
}
};
m::resource::response
delete__directory_room(client &client,
const m::resource::request &request)
{
if(request.parv.size() < 1)
throw m::NEED_MORE_PARAMS
{
"Room alias path parameter missing"
};
m::room::alias::buf room_alias
{
url::decode(room_alias, request.parv[0])
};
const m::room::id::buf room_id
{
m::room_id(room_alias)
};
const unique_mutable_buffer buf
{
48_KiB
};
// Generate the new content of the m.room.aliases
json::stack out{buf};
bool removed {false};
{
json::stack::object content
{
out
};
json::stack::array array
{
content, "aliases"
};
// Iterate existing aliases for host
const m::room::aliases aliases{room_id};
aliases.for_each(room_alias.host(), [&room_alias, &array, &removed]
(const m::room::alias &existing_alias)
{
// Check for existing
if(!iequals(existing_alias, room_alias))
array.append(existing_alias);
else
removed = true;
return true;
});
}
if(!removed)
return m::resource::response
{
client, http::OK
};
// Commit the new event
// TODO: ABA with another aliases event.
const auto eid
{
m::send(room_id, request.user_id, "m.room.aliases", room_alias.host(), json::object
{
out.completed()
})
};
return m::resource::response
{
client, json::members
{
{ "event_id", eid }
}
};
}