ircd:Ⓜ️:user::tokens: Add methods to create and add tokens via interface.

include/ircd/m/user/tokens.h

@@ -28,6 +28,8 @@ struct ircd::m::user::tokens
 	bool check(const string_view &token) const;
 	bool del(const string_view &token, const string_view &reason) const;
 	size_t del(const string_view &reason) const;
+	m::event::id::buf add(const string_view &, const json::object & = {}) const;
+	string_view create(const mutable_buffer &, const json::object & = {}) const;
 
 	tokens(const m::user &user)
 	:user{user}

matrix/user_tokens.cc

@@ -8,6 +8,42 @@
 // copyright notice and this permission notice is present in all copies. The
 // full license for this software is available in the LICENSE file.
 
+ircd::string_view
+ircd::m::user::tokens::create(const mutable_buffer &buf,
+                              const json::object &content)
+const
+{
+	const auto token
+	{
+		generate(buf)
+	};
+
+	const auto event_id
+	{
+		add(token, content)
+	};
+
+	return token;
+}
+
+ircd::m::event::id::buf
+ircd::m::user::tokens::add(const string_view &token,
+                           const json::object &content)
+const
+{
+	const m::room::id::buf tokens_room
+	{
+		"tokens", user.user_id.host()
+	};
+
+	const m::event::id::buf event_id
+	{
+		m::send(tokens_room, user, "ircd.access_token", token, content)
+	};
+
+	return event_id;
+}
+
 size_t
 ircd::m::user::tokens::del(const string_view &reason)
 const