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Code Issues Releases Wiki Activity

modules/m_room_aliases: Move auth branch to module handler.

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This commit is contained in:
Jason Volk 2019-07-20 16:45:18 -07:00
parent 8bbf8c4cbb
commit 3100e5ea34
2 changed files with 61 additions and 26 deletions
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16
ircd/m_event.cc
View file

@ -2005,22 +2005,6 @@ ircd::m::event::auth::failed(const m::event &event,
auth_power? *auth_power : m::event{}, *auth_create
};
// 4. If type is m.room.aliases:
if(json::get<"type"_>(event) == "m.room.aliases")
{
// a. If event has no state_key, reject.
assert(!conforms(event).has(conforms::MISMATCH_ALIASES_STATE_KEY));
if(empty(json::get<"state_key"_>(event)))
return "m.room.aliases event is missing a state_key.";
// b. If sender's domain doesn't matches state_key, reject.
if(json::get<"state_key"_>(event) != m::user::id(json::get<"sender"_>(event)).host())
return "m.room.aliases event state_key is not the sender's domain.";
// c. Otherwise, allow
return {};
}
// 5. If type is m.room.member:
if(json::get<"type"_>(event) == "m.room.member")
{

71
modules/m_room_aliases.cc
View file

@ -8,9 +8,18 @@
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
namespace ircd::m
{
static void auth_room_aliases(const event &, event::auth::hookdata &);
extern hookfn<event::auth::hookdata &> auth_room_aliases_hookfn;
static void changed_room_aliases(const event &, vm::eval &);
extern hookfn<vm::eval &> changed_room_aliases_hookfn;
}
using namespace ircd;
mapi::header
ircd::mapi::header
IRCD_MODULE
{
"Matrix m.room.aliases"
@ -43,7 +52,7 @@ alias_fetch_timeout
};
//
// hook handlers
// create the alias room as an effect of !ircd created on bootstrap
//
const m::hookfn<m::vm::eval &>
@ -60,14 +69,14 @@ _create_alias_room
}
};
static void
_changed_aliases(const m::event &event,
m::vm::eval &);
//
// an effect of room aliases changed
//
const m::hookfn<m::vm::eval &>
_changed_aliases_hookfn
decltype(ircd::m::changed_room_aliases_hookfn)
ircd::m::changed_room_aliases_hookfn
{
_changed_aliases,
changed_room_aliases,
{
{ "_site", "vm.effect" },
{ "type", "m.room.aliases" },
@ -75,8 +84,8 @@ _changed_aliases_hookfn
};
void
_changed_aliases(const m::event &event,
m::vm::eval &)
ircd::m::changed_room_aliases(const m::event &event,
m::vm::eval &)
{
const m::room::id &room_id
{
@ -115,6 +124,48 @@ _changed_aliases(const m::event &event,
}
}
//
// auth handler
//
decltype(ircd::m::auth_room_aliases_hookfn)
ircd::m::auth_room_aliases_hookfn
{
auth_room_aliases,
{
{ "_site", "event.auth" },
{ "type", "m.room.aliases" },
}
};
void
ircd::m::auth_room_aliases(const event &event,
event::auth::hookdata &data)
{
using FAIL = m::event::auth::FAIL;
using conforms = m::event::conforms;
// 4. If type is m.room.aliases:
assert(json::get<"type"_>(event) == "m.room.aliases");
// a. If event has no state_key, reject.
if(empty(json::get<"state_key"_>(event)))
throw FAIL
{
"m.room.aliases event is missing a state_key."
};
// b. If sender's domain doesn't matches state_key, reject.
if(json::get<"state_key"_>(event) != m::user::id(json::get<"sender"_>(event)).host())
throw FAIL
{
"m.room.aliases event state_key is not the sender's domain."
};
// c. Otherwise, allow
data.allow = true;
}
//
// m::room::aliases
//