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Code Issues Releases Wiki Activity

modules/client/directory/room: Remove old alias caching and fetching; reroute central interfaces.

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This commit is contained in:
Jason Volk 2019-03-30 18:10:36 -07:00
parent 5b1556eca1
commit 4eba0fcd6f
2 changed files with 27 additions and 202 deletions
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23
ircd/m.cc
View file

@ -4585,28 +4585,27 @@ ircd::m::id::room
ircd::m::room_id(const mutable_buffer &out,
const id::room_alias &room_alias)
{
using prototype = id::room (const mutable_buffer &, const id::room_alias &);
static mods::import<prototype> function
room::id ret;
room::aliases::cache::get(room_alias, [&out, &ret]
(const room::id &room_id)
{
"client_directory_room", "room_id__room_alias"
};
ret = string_view { data(out), copy(out, room_id) };
});
return function(out, room_alias);
return ret;
}
bool
ircd::m::exists(const id::room_alias &room_alias,
const bool &remote_query)
{
using prototype = bool (const id::room_alias, const bool &);
if(room::aliases::cache::has(room_alias))
return true;
static mods::import<prototype> function
{
"client_directory_room", "room_alias_exists"
};
if(!remote_query)
return false;
return function(room_alias, remote_query);
return room::aliases::cache::get(std::nothrow, room_alias, [](const room::id &room_id) {});
}
///////////////////////////////////////////////////////////////////////////////

206
modules/client/directory/room.cc
View file

@ -16,12 +16,6 @@ IRCD_MODULE
"Client 7.2 :Room aliases"
};
const ircd::m::room::id::buf
alias_room_id
{
"alias", ircd::my_host()
};
resource
directory_room_resource
{
@ -32,13 +26,15 @@ directory_room_resource
}
};
extern "C" m::id::room
room_id__room_alias(const mutable_buffer &out,
const m::id::room_alias &);
static resource::response
get__directory_room(client &client,
const resource::request &request);
extern "C" bool
room_alias_exists(const m::id::room_alias &,
const bool &remote_query);
resource::method
directory_room_get
{
directory_room_resource, "GET", get__directory_room
};
resource::response
get__directory_room(client &client,
@ -49,10 +45,9 @@ get__directory_room(client &client,
url::decode(room_alias, request.parv[0])
};
char buf[256];
const m::room::id room_id
const m::room::id::buf room_id
{
m::room_id(buf, room_alias)
m::room_id(room_alias)
};
return resource::response
@ -64,10 +59,14 @@ get__directory_room(client &client,
};
}
static resource::response
put__directory_room(client &client,
const resource::request &request);
resource::method
directory_room_get
directory_room_put
{
directory_room_resource, "GET", get__directory_room
directory_room_resource, "PUT", put__directory_room
};
resource::response
@ -97,176 +96,3 @@ put__directory_room(client &client,
client, http::OK
};
}
resource::method
directory_room_put
{
directory_room_resource, "PUT", put__directory_room
};
static json::object
room_alias_fetch(const mutable_buffer &out,
const m::id::room_alias &alias);
bool
room_alias_exists(const m::id::room_alias &alias,
const bool &remote_query)
try
{
const m::room alias_room{alias_room_id};
if(alias_room.has("ircd.alias", alias))
return true;
if(!remote_query)
return false;
char buf[256];
room_id__room_alias(buf, alias);
return true;
}
catch(const m::NOT_FOUND &)
{
return false;
}
conf::item<seconds>
room_alias_cache_ttl
{
{ "name", "ircd.client.directory.room.alias.cache.ttl" },
{ "default", 60 * 60 * 72L },
};
/// Translate a room alias into a room_id. This function first checks the
/// local cache. A cache miss will then cause in a query to the remote, the
/// result of which will be added to cache.
m::id::room
room_id__room_alias(const mutable_buffer &out,
const m::id::room_alias &alias)
try
{
m::id::room ret;
const auto cache_closure{[&out, &ret]
(const m::event &event)
{
const string_view &room_id
{
unquote(at<"content"_>(event).get("room_id"))
};
if(!room_id)
return;
const auto age
{
ircd::now() - milliseconds(at<"origin_server_ts"_>(event))
};
if(age > seconds(room_alias_cache_ttl))
return;
ret = string_view { data(out), copy(out, room_id) };
}};
const m::room alias_room{alias_room_id};
alias_room.get(std::nothrow, "ircd.alias", alias, cache_closure);
if(ret)
return ret;
// Buf has to hold our output headers, their received headers, and
// the received aliasing content.
const unique_buffer<mutable_buffer> buf
{
32_KiB
};
const json::object &response
{
room_alias_fetch(buf, alias)
};
const m::id::room &room_id
{
unquote(response.at("room_id"))
};
// Cache the result
send(alias_room, m::me.user_id, "ircd.alias", alias, response);
return m::room::id
{
string_view
{
data(out), copy(out, room_id)
}
};
}
catch(const http::error &e)
{
if(e.code == http::NOT_FOUND)
throw m::NOT_FOUND{};
throw;
}
catch(const json::not_found &e)
{
throw m::NOT_FOUND
{
"Remote sent malformed response: %s", e.what()
};
}
conf::item<seconds>
room_alias_fetch_timeout
{
{ "name", "ircd.client.directory.room.alias.fetch.timeout" },
{ "default", 20L },
};
/// This function makes a room alias request to a remote. The alias
/// room cache is not checked or updated from here, this is only the
/// query operation.
json::object
room_alias_fetch(const mutable_buffer &out,
const m::id::room_alias &alias)
{
m::v1::query::directory federation_request
{
alias, out, m::v1::query::opts
{
alias.host()
}
};
if(!federation_request.wait(seconds(room_alias_fetch_timeout), std::nothrow))
throw http::error
{
http::REQUEST_TIMEOUT
};
const http::code &code
{
federation_request.get()
};
const json::object &response
{
federation_request
};
return response;
}
const m::hookfn<m::vm::eval &>
_create_alias_room
{
{
{ "_site", "vm.effect" },
{ "room_id", "!ircd" },
{ "type", "m.room.create" },
},
[](const m::event &, m::vm::eval &)
{
m::create(alias_room_id, m::me.user_id);
}
};