mirror of
https://github.com/matrix-construct/construct
synced 2024-11-26 00:32:35 +01:00
ircd:Ⓜ️ Improve server keys related functions.
This commit is contained in:
Jason Volk
parent
8869b1577c
commit
31b778ee0b
4 changed files with 505 additions and 399 deletions
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@ -29,7 +29,7 @@
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namespace ircd::m
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{
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struct key;
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struct keys;
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}
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namespace ircd::m::self
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@ -53,6 +53,16 @@ namespace ircd::m::name
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constexpr const char *const valid_until_ts {"valid_until_ts"};
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}
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/// Contains the public keys and proof of identity for a remote server.
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///
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/// A user who wishes to verify a signature from a remote server must have
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/// the name of the server (origin) and the key_id. Calling the appropriate
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/// static function of this class will attempt to fetch the key from the db
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/// or make network requests, with valid response being saved to the db. Keys
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/// are thus managed internally so the user doesn't supply a buffer or ever
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/// construct this object; instead this object backed by internal db data is
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/// presented in the supplied synchronous closure.
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///
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/// 2.2.1.1 Publishing Keys
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///
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/// Key Type, Description
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@ -63,7 +73,7 @@ namespace ircd::m::name
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/// tls_fingerprints Array of Objects, Hashes of X.509 TLS certificates used by this this server encoded as Unpadded Base64.
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/// valid_until_ts Integer, POSIX timestamp when the list of valid keys should be refreshed.
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///
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struct ircd::m::key
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struct ircd::m::keys
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:json::tuple
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<
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json::property<name::old_verify_keys, json::object>,
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@ -74,21 +84,22 @@ struct ircd::m::key
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json::property<name::verify_keys, json::object>
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>
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{
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static room keys;
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using key_closure = std::function<void (const string_view &)>; // remember to unquote()!!!
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using keys_closure = std::function<void (const keys &)>;
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bool verify() const noexcept;
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static m::room room;
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static bool get_local(const string_view &server_name, const keys_closure &);
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static bool verify(const keys &) noexcept;
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static void set(const keys &);
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public:
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static void get(const string_view &server_name, const string_view &key_id, const string_view &query_server, const keys_closure &);
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static void get(const string_view &server_name, const string_view &key_id, const key_closure &);
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static void get(const string_view &server_name, const keys_closure &);
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using super_type::tuple;
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using super_type::operator=;
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};
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namespace ircd::m::keys
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{
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using closure = std::function<void (const key &)>;
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void set(const key &);
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bool get(const string_view &server_name, const string_view &key_id, const closure &);
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bool get(const string_view &server_name, const closure &);
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}
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#pragma GCC diagnostic pop
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597
ircd/m.cc
597
ircd/m.cc
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@ -251,276 +251,6 @@ ircd::m::dbs::init_modules()
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modules.emplace(name, name);
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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// m/session.h
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//
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ircd::m::io::session::session(const net::remote &remote)
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:server{remote}
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,destination{remote.hostname}
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{
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}
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ircd::json::object
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ircd::m::io::session::operator()(parse::buffer &pb,
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request &request)
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{
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request.destination = destination;
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request(server);
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return response
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{
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server, pb
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};
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}
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//
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// response
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//
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ircd::m::io::response::response(server &server,
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parse::buffer &pb)
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{
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http::code status;
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json::object &object
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{
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static_cast<json::object &>(*this)
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};
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parse::capstan pc
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{
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pb, read_closure(server)
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};
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http::response
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{
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pc,
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nullptr,
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[&pc, &status, &object](const http::response::head &head)
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{
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status = http::status(head.status);
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object = http::response::content{pc, head};
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},
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[](const auto &header)
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{
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//std::cout << header.first << " :" << header.second << std::endl;
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}
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};
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if(status < 200 || status >= 300)
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throw m::error(status, object);
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}
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//
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// request
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//
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namespace ircd::m::name
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{
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// constexpr const char *const content {"content"};
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constexpr const char *const destination {"destination"};
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constexpr const char *const method {"method"};
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// constexpr const char *const origin {"origin"};
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constexpr const char *const uri {"uri"};
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}
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struct ircd::m::io::request::authorization
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:json::tuple
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<
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json::property<name::content, string_view>,
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json::property<name::destination, string_view>,
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json::property<name::method, string_view>,
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json::property<name::origin, string_view>,
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json::property<name::uri, string_view>
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>
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{
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string_view generate(const mutable_buffer &out);
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using super_type::tuple;
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};
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void
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ircd::m::io::request::operator()(const vector_view<const http::header> &addl_headers)
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const
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{
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}
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void
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ircd::m::io::request::operator()(server &server,
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const vector_view<const http::header> &addl_headers)
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const
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{
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const size_t addl_headers_size
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{
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std::min(addl_headers.size(), size_t(64UL))
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};
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size_t headers{2 + addl_headers_size};
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http::line::header header[headers + 1]
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{
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{ "User-Agent", BRANDING_NAME " (IRCd " BRANDING_VERSION ")" },
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{ "Content-Type", "application/json" },
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};
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for(size_t i(0); i < addl_headers_size; ++i)
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header[headers++] = addl_headers.at(i);
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char x_matrix[1024];
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if(startswith(path, "_matrix/federation"))
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header[headers++] =
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{
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"Authorization", generate_authorization(x_matrix)
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};
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http::request
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{
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destination,
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method,
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path,
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query,
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content,
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write_closure(server),
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{ header, headers }
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};
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}
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ircd::string_view
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ircd::m::io::request::generate_authorization(const mutable_buffer &out)
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const
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{
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const fmt::bsprintf<2048> uri
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{
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"/%s%s%s", lstrip(path, '/'), query? "?" : "", query
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};
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request::authorization authorization
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{
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json::members
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{
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{ "destination", destination },
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{ "method", method },
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{ "origin", my_host() },
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{ "uri", uri },
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}
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};
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if(string_view{content}.size() > 2)
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json::get<"content"_>(authorization) = content;
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return authorization.generate(out);
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}
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ircd::string_view
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ircd::m::io::request::authorization::generate(const mutable_buffer &out)
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{
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// Any buffers here can be comfortably large if they're not on a stack and
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// nothing in this procedure has a yield which risks decohering static
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// buffers; the assertion is tripped if so.
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ctx::critical_assertion ca;
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static fixed_buffer<mutable_buffer, 131072> request_object_buf;
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const auto request_object
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{
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json::stringify(request_object_buf, *this)
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};
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const ed25519::sig sig
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{
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self::secret_key.sign(request_object)
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};
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static fixed_buffer<mutable_buffer, 128> signature_buf;
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const auto x_matrix_len
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{
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fmt::sprintf(out, "X-Matrix origin=%s,key=\"%s\",sig=\"%s\"",
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unquote(string_view{at<"origin"_>(*this)}),
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self::public_key_id,
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b64encode_unpadded(signature_buf, sig))
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};
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return
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{
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data(out), size_t(x_matrix_len)
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};
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}
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bool
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ircd::m::io::verify_x_matrix_authorization(const string_view &x_matrix,
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const string_view &method,
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const string_view &uri,
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const string_view &content)
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{
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string_view tokens[3], origin, key, sig;
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if(ircd::tokens(split(x_matrix, ' ').second, ',', tokens) != 3)
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return false;
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for(const auto &token : tokens)
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{
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const auto &key_value
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{
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split(token, '=')
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};
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switch(hash(key_value.first))
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{
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case hash("origin"): origin = unquote(key_value.second); break;
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case hash("key"): key = unquote(key_value.second); break;
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case hash("sig"): sig = unquote(key_value.second); break;
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}
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}
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request::authorization authorization
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{
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json::members
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{
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{ "destination", my_host() },
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{ "method", method },
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{ "origin", origin },
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{ "uri", uri },
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}
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};
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if(content.size() > 2)
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json::get<"content"_>(authorization) = content;
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//TODO: XXX
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const json::strung request_object
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{
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authorization
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};
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const ed25519::sig _sig
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{
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[&sig](auto &buf)
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{
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b64decode(buf, sig);
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}
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};
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const ed25519::pk pk
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{
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[&origin, &key](auto &buf)
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{
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m::keys::get(origin, key, [&key, &buf](const auto &keys)
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{
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const json::object vks
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{
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at<"verify_keys"_>(keys)
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};
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const json::object vkk
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{
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vks.at(key)
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};
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b64decode(buf, unquote(vkk.at("key")));
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});
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}
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};
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return pk.verify(const_raw_buffer{request_object}, _sig);
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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// m/keys.h
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@ -532,8 +262,10 @@ keys_room_id
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"keys", ircd::my_host()
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};
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/// The keys room is where the public key data for each server is stored as
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/// state indexed by the server name.
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ircd::m::room
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ircd::m::key::keys
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ircd::m::keys::room
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{
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keys_room_id
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};
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@ -636,7 +368,7 @@ ircd::m::init_keys(const json::object &options)
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static void
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ircd::m::bootstrap_keys()
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{
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create(key::keys, me.user_id);
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create(keys::room, me.user_id);
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const json::strung verify_keys
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{
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@ -649,7 +381,7 @@ ircd::m::bootstrap_keys()
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}}
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};
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key my_key;
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keys my_key;
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json::get<"verify_keys"_>(my_key) = verify_keys;
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json::get<"server_name"_>(my_key) = my_host();
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json::get<"old_verify_keys"_>(my_key) = "{}";
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@ -695,23 +427,207 @@ ircd::m::bootstrap_keys()
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keys::set(my_key);
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}
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bool
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ircd::m::keys::get(const string_view &server_name,
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const closure &closure)
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{
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return get(server_name, string_view{}, closure);
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}
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bool
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void
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ircd::m::keys::get(const string_view &server_name,
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const string_view &key_id,
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const closure &closure)
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const key_closure &closure)
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try
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{
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get(server_name, [&key_id, &closure](const keys &keys)
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{
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const json::object vks
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{
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at<"verify_keys"_>(keys)
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};
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const json::object vkk
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{
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vks.at(key_id)
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};
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// The key is not unquote() because some types of keys may be
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// more complex than just a string one day; think: RLWE.
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const string_view &key
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{
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vkk.at("key")
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};
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closure(key);
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});
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}
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catch(const json::not_found &e)
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{
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throw m::NOT_FOUND
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{
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"Failed to find key '%s' for '%s': %s",
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key_id,
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server_name,
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e.what()
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};
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}
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void
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ircd::m::keys::get(const string_view &server_name,
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const keys_closure &closure)
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{
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assert(!server_name.empty());
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if(get_local(server_name, closure))
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return;
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if(server_name == my_host())
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throw m::NOT_FOUND
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{
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"keys for '%s' (that's myself) not found", server_name
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};
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log.debug("Keys for %s not cached; querying network...",
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server_name);
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char url[1024]; const auto url_len
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{
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fmt::snprintf(url, sizeof(url), "_matrix/key/v2/server/")
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};
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//TODO: XXX
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const unique_buffer<mutable_buffer> buffer
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{
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8192
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};
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ircd::parse::buffer pb{mutable_buffer{buffer}};
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m::request request{"GET", url, {}, {}};
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m::session session{server_name};
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const json::object response
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{
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session(pb, request)
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};
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const m::keys &keys
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{
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response
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};
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if(!verify(keys))
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throw m::error
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{
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http::UNAUTHORIZED, "M_INVALID_SIGNATURE",
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"Failed to verify keys for '%s'", server_name
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};
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log.debug("Verified keys from '%s'",
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server_name);
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set(keys);
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closure(keys);
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}
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void
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ircd::m::keys::get(const string_view &server_name,
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const string_view &key_id,
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const string_view &query_server,
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const keys_closure &closure)
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try
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{
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assert(!server_name.empty());
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assert(!query_server.empty());
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char key_id_buf[1024];
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char server_name_buf[1024];
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char url[1024]; const auto url_len
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{
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fmt::snprintf(url, sizeof(url), "_matrix/key/v2/query/%s/%s/",
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urlencode(server_name, server_name_buf),
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urlencode(key_id, key_id_buf))
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};
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//TODO: XXX
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const unique_buffer<mutable_buffer> buffer
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{
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8192
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};
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// Make request and receive response synchronously.
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// This ircd::ctx will block here fetching.
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ircd::parse::buffer pb{mutable_buffer{buffer}};
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m::request request{"GET", url, {}, {}};
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m::session session{server_name};
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const json::object response
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{
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session(pb, request)
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};
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const json::array &keys
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{
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response.at("server_keys")
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};
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log::debug("Fetched %zu candidate keys seeking '%s' for '%s' from '%s' (%s)",
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keys.count(),
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empty(key_id)? "*" : key_id,
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server_name,
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query_server,
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string(net::remote(session.server)));
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bool ret{false};
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for(auto it(begin(keys)); it != end(keys); ++it)
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{
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const m::keys &keys{*it};
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const auto &_server_name
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{
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||||
at<"server_name"_>(keys)
|
||||
};
|
||||
|
||||
if(!verify(keys))
|
||||
throw m::error
|
||||
{
|
||||
http::UNAUTHORIZED, "M_INVALID_SIGNATURE",
|
||||
"Failed to verify keys for '%s' from '%s'",
|
||||
_server_name,
|
||||
query_server
|
||||
};
|
||||
|
||||
log.debug("Verified keys for '%s' from '%s'",
|
||||
_server_name,
|
||||
query_server);
|
||||
|
||||
set(keys);
|
||||
const json::object vks{json::get<"verify_keys"_>(keys)};
|
||||
if(_server_name == server_name)
|
||||
{
|
||||
closure(keys);
|
||||
ret = true;
|
||||
}
|
||||
}
|
||||
|
||||
if(!ret)
|
||||
throw m::NOT_FOUND
|
||||
{
|
||||
"Failed to get any keys for '%s' from '%s' (got %zu total keys otherwise)",
|
||||
server_name,
|
||||
query_server,
|
||||
keys.count()
|
||||
};
|
||||
}
|
||||
catch(const json::not_found &e)
|
||||
{
|
||||
throw m::NOT_FOUND
|
||||
{
|
||||
"Failed to find key '%s' for '%s' when querying '%s': %s",
|
||||
key_id,
|
||||
server_name,
|
||||
query_server,
|
||||
e.what()
|
||||
};
|
||||
}
|
||||
|
||||
bool
|
||||
ircd::m::keys::get_local(const string_view &server_name,
|
||||
const keys_closure &closure)
|
||||
{
|
||||
const m::vm::query<m::vm::where::equal> query
|
||||
{
|
||||
{ "room_id", key::keys.room_id },
|
||||
{ "room_id", keys::room.room_id },
|
||||
{ "type", "ircd.key" },
|
||||
{ "state_key", server_name },
|
||||
};
|
||||
|
|
@ -725,110 +641,25 @@ ircd::m::keys::get(const string_view &server_name,
|
|||
}
|
||||
};
|
||||
|
||||
if(m::vm::test(query, have))
|
||||
return true;
|
||||
|
||||
if(server_name == my_host())
|
||||
throw m::NOT_FOUND
|
||||
{
|
||||
"key '%s' for '%s' not found", key_id?: "<unspecified>", server_name
|
||||
};
|
||||
|
||||
log.debug("Key %s for %s not cached; querying network...",
|
||||
key_id?: "<unspecified>",
|
||||
server_name);
|
||||
|
||||
char key_id_buf[1024], server_name_buf[1024];
|
||||
char url[1024]; const auto url_len
|
||||
{
|
||||
/*
|
||||
fmt::snprintf(url, sizeof(url), "_matrix/key/v2/query/%s/%s",
|
||||
server_name,
|
||||
key_id):
|
||||
*/
|
||||
fmt::snprintf(url, sizeof(url), "_matrix/key/v2/server/%s",
|
||||
urlencode(key_id, key_id_buf))
|
||||
};
|
||||
|
||||
//TODO: XXX
|
||||
const unique_buffer<mutable_buffer> buffer
|
||||
{
|
||||
8192
|
||||
};
|
||||
|
||||
ircd::parse::buffer pb{mutable_buffer{buffer}};
|
||||
m::request request
|
||||
{
|
||||
"GET", url, {}, {}
|
||||
};
|
||||
|
||||
m::session session
|
||||
{
|
||||
server_name
|
||||
};
|
||||
|
||||
const string_view response
|
||||
{
|
||||
session(pb, request)
|
||||
};
|
||||
|
||||
/*
|
||||
const json::array &keys
|
||||
{
|
||||
response.at("server_keys")
|
||||
};
|
||||
|
||||
log::debug("Fetched %zu candidate keys from '%s' (%s)",
|
||||
keys.size(),
|
||||
server_name,
|
||||
string(remote(*session.client)));
|
||||
|
||||
if(keys.empty())
|
||||
throw m::NOT_FOUND
|
||||
{
|
||||
"Failed to get key '%s' for '%s'", key_id, server_name
|
||||
};
|
||||
|
||||
const m::key &key
|
||||
{
|
||||
keys[0]
|
||||
};
|
||||
*/
|
||||
const m::key &key
|
||||
{
|
||||
response
|
||||
};
|
||||
|
||||
if(!key.verify())
|
||||
throw m::error
|
||||
{
|
||||
http::UNAUTHORIZED, "M_INVALID_SIGNATURE", "Failed to verify key from '%s'", server_name
|
||||
};
|
||||
|
||||
log.debug("Verified key from '%s'",
|
||||
server_name);
|
||||
|
||||
m::keys::set(key);
|
||||
closure(key);
|
||||
return true;
|
||||
return m::vm::test(query, have);
|
||||
}
|
||||
|
||||
void
|
||||
ircd::m::keys::set(const key &key)
|
||||
ircd::m::keys::set(const keys &keys)
|
||||
{
|
||||
const auto &state_key
|
||||
{
|
||||
unquote(at<"server_name"_>(key))
|
||||
unquote(at<"server_name"_>(keys))
|
||||
};
|
||||
|
||||
const m::user::id::buf sender
|
||||
{
|
||||
"ircd", unquote(at<"server_name"_>(key))
|
||||
"ircd", unquote(at<"server_name"_>(keys))
|
||||
};
|
||||
|
||||
const json::strung content
|
||||
{
|
||||
key
|
||||
keys
|
||||
};
|
||||
|
||||
json::iov event;
|
||||
|
|
@ -840,17 +671,17 @@ ircd::m::keys::set(const key &key)
|
|||
{ event, json::member { "content", content }}
|
||||
};
|
||||
|
||||
key::keys.send(event);
|
||||
keys::room.send(event);
|
||||
}
|
||||
|
||||
/// Verify this key data (with itself).
|
||||
bool
|
||||
ircd::m::key::verify()
|
||||
const noexcept try
|
||||
ircd::m::keys::verify(const keys &keys)
|
||||
noexcept try
|
||||
{
|
||||
const auto &valid_until_ts
|
||||
{
|
||||
at<"valid_until_ts"_>(*this)
|
||||
at<"valid_until_ts"_>(keys)
|
||||
};
|
||||
|
||||
if(valid_until_ts < ircd::time<milliseconds>())
|
||||
|
|
@ -858,7 +689,7 @@ const noexcept try
|
|||
|
||||
const json::object &verify_keys
|
||||
{
|
||||
at<"verify_keys"_>(*this)
|
||||
at<"verify_keys"_>(keys)
|
||||
};
|
||||
|
||||
const string_view &key_id
|
||||
|
|
@ -881,12 +712,12 @@ const noexcept try
|
|||
|
||||
const json::object &signatures
|
||||
{
|
||||
at<"signatures"_>(*this)
|
||||
at<"signatures"_>(keys)
|
||||
};
|
||||
|
||||
const string_view &server_name
|
||||
{
|
||||
unquote(at<"server_name"_>(*this))
|
||||
unquote(at<"server_name"_>(keys))
|
||||
};
|
||||
|
||||
const json::object &server_signatures
|
||||
|
|
@ -900,15 +731,15 @@ const noexcept try
|
|||
}};
|
||||
|
||||
///TODO: XXX
|
||||
m::key copy{*this};
|
||||
m::keys copy{keys};
|
||||
at<"signatures"_>(copy) = string_view{};
|
||||
const std::string preimage{json::strung(copy)};
|
||||
const json::strung preimage{copy};
|
||||
return pk.verify(const_raw_buffer{preimage}, sig);
|
||||
}
|
||||
catch(const std::exception &e)
|
||||
{
|
||||
log.error("key verification for '%s' failed: %s",
|
||||
json::get<"server_name"_>(*this, "<no server name>"_sv),
|
||||
json::get<"server_name"_>(keys, "<no server name>"_sv),
|
||||
e.what());
|
||||
|
||||
return false;
|
||||
|
|
|
|||
264
ircd/m_io.cc
264
ircd/m_io.cc
|
|
@ -517,9 +517,273 @@ try
|
|||
}};
|
||||
|
||||
return m::vm::test(query, test);
|
||||
*/
|
||||
return false;
|
||||
}
|
||||
catch(const std::exception &e)
|
||||
{
|
||||
tab.error = std::make_exception_ptr(e);
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// m/session.h
|
||||
//
|
||||
|
||||
ircd::m::io::session::session(const net::remote &remote)
|
||||
:server{remote}
|
||||
,destination{remote.hostname}
|
||||
{
|
||||
}
|
||||
|
||||
ircd::json::object
|
||||
ircd::m::io::session::operator()(parse::buffer &pb,
|
||||
request &request)
|
||||
{
|
||||
request.destination = destination;
|
||||
request(server);
|
||||
return response
|
||||
{
|
||||
server, pb
|
||||
};
|
||||
}
|
||||
|
||||
//
|
||||
// response
|
||||
//
|
||||
|
||||
ircd::m::io::response::response(server &server,
|
||||
parse::buffer &pb)
|
||||
{
|
||||
http::code status;
|
||||
json::object &object
|
||||
{
|
||||
static_cast<json::object &>(*this)
|
||||
};
|
||||
|
||||
parse::capstan pc
|
||||
{
|
||||
pb, read_closure(server)
|
||||
};
|
||||
|
||||
http::response
|
||||
{
|
||||
pc,
|
||||
nullptr,
|
||||
[&pc, &status, &object](const http::response::head &head)
|
||||
{
|
||||
status = http::status(head.status);
|
||||
object = http::response::content{pc, head};
|
||||
},
|
||||
[](const auto &header)
|
||||
{
|
||||
//std::cout << header.first << " :" << header.second << std::endl;
|
||||
}
|
||||
};
|
||||
|
||||
if(status < 200 || status >= 300)
|
||||
throw m::error(status, object);
|
||||
}
|
||||
|
||||
//
|
||||
// request
|
||||
//
|
||||
|
||||
namespace ircd::m::name
|
||||
{
|
||||
// constexpr const char *const content {"content"};
|
||||
constexpr const char *const destination {"destination"};
|
||||
constexpr const char *const method {"method"};
|
||||
// constexpr const char *const origin {"origin"};
|
||||
constexpr const char *const uri {"uri"};
|
||||
}
|
||||
|
||||
struct ircd::m::io::request::authorization
|
||||
:json::tuple
|
||||
<
|
||||
json::property<name::content, string_view>,
|
||||
json::property<name::destination, string_view>,
|
||||
json::property<name::method, string_view>,
|
||||
json::property<name::origin, string_view>,
|
||||
json::property<name::uri, string_view>
|
||||
>
|
||||
{
|
||||
string_view generate(const mutable_buffer &out);
|
||||
|
||||
using super_type::tuple;
|
||||
};
|
||||
|
||||
void
|
||||
ircd::m::io::request::operator()(const vector_view<const http::header> &addl_headers)
|
||||
const
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
ircd::m::io::request::operator()(server &server,
|
||||
const vector_view<const http::header> &addl_headers)
|
||||
const
|
||||
{
|
||||
const size_t addl_headers_size
|
||||
{
|
||||
std::min(addl_headers.size(), size_t(64UL))
|
||||
};
|
||||
|
||||
size_t headers{2 + addl_headers_size};
|
||||
http::line::header header[headers + 1]
|
||||
{
|
||||
{ "User-Agent", BRANDING_NAME " (IRCd " BRANDING_VERSION ")" },
|
||||
{ "Content-Type", "application/json" },
|
||||
};
|
||||
|
||||
for(size_t i(0); i < addl_headers_size; ++i)
|
||||
header[headers++] = addl_headers.at(i);
|
||||
|
||||
char x_matrix[1024];
|
||||
if(startswith(path, "_matrix/federation"))
|
||||
header[headers++] =
|
||||
{
|
||||
"Authorization", generate_authorization(x_matrix)
|
||||
};
|
||||
|
||||
http::request
|
||||
{
|
||||
destination,
|
||||
method,
|
||||
path,
|
||||
query,
|
||||
content,
|
||||
write_closure(server),
|
||||
{ header, headers }
|
||||
};
|
||||
}
|
||||
|
||||
ircd::string_view
|
||||
ircd::m::io::request::generate_authorization(const mutable_buffer &out)
|
||||
const
|
||||
{
|
||||
const fmt::bsprintf<2048> uri
|
||||
{
|
||||
"/%s%s%s", lstrip(path, '/'), query? "?" : "", query
|
||||
};
|
||||
|
||||
request::authorization authorization
|
||||
{
|
||||
json::members
|
||||
{
|
||||
{ "destination", destination },
|
||||
{ "method", method },
|
||||
{ "origin", my_host() },
|
||||
{ "uri", uri },
|
||||
}
|
||||
};
|
||||
|
||||
if(string_view{content}.size() > 2)
|
||||
json::get<"content"_>(authorization) = content;
|
||||
|
||||
return authorization.generate(out);
|
||||
}
|
||||
|
||||
ircd::string_view
|
||||
ircd::m::io::request::authorization::generate(const mutable_buffer &out)
|
||||
{
|
||||
// Any buffers here can be comfortably large if they're not on a stack and
|
||||
// nothing in this procedure has a yield which risks decohering static
|
||||
// buffers; the assertion is tripped if so.
|
||||
ctx::critical_assertion ca;
|
||||
|
||||
static fixed_buffer<mutable_buffer, 131072> request_object_buf;
|
||||
const auto request_object
|
||||
{
|
||||
json::stringify(request_object_buf, *this)
|
||||
};
|
||||
|
||||
const ed25519::sig sig
|
||||
{
|
||||
self::secret_key.sign(request_object)
|
||||
};
|
||||
|
||||
static fixed_buffer<mutable_buffer, 128> signature_buf;
|
||||
const auto x_matrix_len
|
||||
{
|
||||
fmt::sprintf(out, "X-Matrix origin=%s,key=\"%s\",sig=\"%s\"",
|
||||
unquote(string_view{at<"origin"_>(*this)}),
|
||||
self::public_key_id,
|
||||
b64encode_unpadded(signature_buf, sig))
|
||||
};
|
||||
|
||||
return
|
||||
{
|
||||
data(out), size_t(x_matrix_len)
|
||||
};
|
||||
}
|
||||
|
||||
bool
|
||||
ircd::m::io::verify_x_matrix_authorization(const string_view &x_matrix,
|
||||
const string_view &method,
|
||||
const string_view &uri,
|
||||
const string_view &content)
|
||||
{
|
||||
string_view tokens[3], origin, key, sig;
|
||||
if(ircd::tokens(split(x_matrix, ' ').second, ',', tokens) != 3)
|
||||
return false;
|
||||
|
||||
for(const auto &token : tokens)
|
||||
{
|
||||
const auto &key_value
|
||||
{
|
||||
split(token, '=')
|
||||
};
|
||||
|
||||
switch(hash(key_value.first))
|
||||
{
|
||||
case hash("origin"): origin = unquote(key_value.second); break;
|
||||
case hash("key"): key = unquote(key_value.second); break;
|
||||
case hash("sig"): sig = unquote(key_value.second); break;
|
||||
}
|
||||
}
|
||||
|
||||
request::authorization authorization
|
||||
{
|
||||
json::members
|
||||
{
|
||||
{ "destination", my_host() },
|
||||
{ "method", method },
|
||||
{ "origin", origin },
|
||||
{ "uri", uri },
|
||||
}
|
||||
};
|
||||
|
||||
if(content.size() > 2)
|
||||
json::get<"content"_>(authorization) = content;
|
||||
|
||||
//TODO: XXX
|
||||
const json::strung request_object
|
||||
{
|
||||
authorization
|
||||
};
|
||||
|
||||
const ed25519::sig _sig
|
||||
{
|
||||
[&sig](auto &buf)
|
||||
{
|
||||
b64decode(buf, sig);
|
||||
}
|
||||
};
|
||||
|
||||
const ed25519::pk pk
|
||||
{
|
||||
[&origin, &key](auto &buf)
|
||||
{
|
||||
m::keys::get(origin, key, [&buf]
|
||||
(const string_view &key)
|
||||
{
|
||||
b64decode(buf, unquote(key));
|
||||
});
|
||||
}
|
||||
};
|
||||
|
||||
return pk.verify(const_raw_buffer{request_object}, _sig);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -89,7 +89,7 @@ try
|
|||
// 3.3.1 Required. The desired password for the account.
|
||||
const auto &password
|
||||
{
|
||||
at<"password"_>(request)
|
||||
unquote(at<"password"_>(request))
|
||||
};
|
||||
|
||||
// 3.3.1 If true, the server binds the email used for authentication to the
|
||||
|
|
|
|||
Loading…
Reference in a new issue