diff options
Diffstat (limited to '')
-rw-r--r-- | dnsdist-lua-web.cc | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/dnsdist-lua-web.cc b/dnsdist-lua-web.cc new file mode 100644 index 0000000..0498aed --- /dev/null +++ b/dnsdist-lua-web.cc @@ -0,0 +1,81 @@ +/* + * This file is part of PowerDNS or dnsdist. + * Copyright -- PowerDNS.COM B.V. and its contributors + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * In addition, for the avoidance of any doubt, permission is granted to + * link this program with OpenSSL and to (re)distribute the binaries + * produced as the result of such linking. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +#include <yahttp/yahttp.hpp> + +#include "dnsdist.hh" +#include "dnsdist-lua.hh" +#include "dnsdist-web.hh" + +void registerWebHandler(const std::string& endpoint, std::function<void(const YaHTTP::Request&, YaHTTP::Response&)> handler); + +void setupLuaWeb(LuaContext& luaCtx) +{ +#ifndef DISABLE_LUA_WEB_HANDLERS + luaCtx.writeFunction("registerWebHandler", [](const std::string& path, std::function<void(const YaHTTP::Request*, YaHTTP::Response*)> handler) { + /* LuaWrapper does a copy for objects passed by reference, so we pass a pointer */ + registerWebHandler(path, [handler](const YaHTTP::Request& req, YaHTTP::Response& resp) { handler(&req, &resp); }); + }); + + luaCtx.registerMember<std::string(YaHTTP::Request::*)>("path", [](const YaHTTP::Request& req) -> std::string { return req.url.path; }, [](YaHTTP::Request& req, const std::string& path) { (void) path; }); + luaCtx.registerMember<int(YaHTTP::Request::*)>("version", [](const YaHTTP::Request& req) -> int { return req.version; }, [](YaHTTP::Request& req, int version) { (void) version; }); + luaCtx.registerMember<std::string(YaHTTP::Request::*)>("method", [](const YaHTTP::Request& req) -> std::string { return req.method; }, [](YaHTTP::Request& req, const std::string& method) { (void) method; }); + luaCtx.registerMember<std::string(YaHTTP::Request::*)>("body", [](const YaHTTP::Request& req) -> const std::string { return req.body; }, [](YaHTTP::Request& req, const std::string& body) { (void) body; }); + luaCtx.registerMember<LuaAssociativeTable<std::string>(YaHTTP::Request::*)>("getvars", [](const YaHTTP::Request& req) { + LuaAssociativeTable<std::string> values; + for (const auto& entry : req.getvars) { + values.insert({entry.first, entry.second}); + } + return values; + }, [](YaHTTP::Request& req, const LuaAssociativeTable<std::string>& values) { (void) values; }); + luaCtx.registerMember<LuaAssociativeTable<std::string>(YaHTTP::Request::*)>("postvars", [](const YaHTTP::Request& req) { + LuaAssociativeTable<std::string> values; + for (const auto& entry : req.postvars) { + values.insert({entry.first, entry.second}); + } + return values; + }, [](YaHTTP::Request& req, const LuaAssociativeTable<std::string>& values) { (void) values; }); + luaCtx.registerMember<LuaAssociativeTable<std::string>(YaHTTP::Request::*)>("headers", [](const YaHTTP::Request& req) { + LuaAssociativeTable<std::string> values; + for (const auto& entry : req.headers) { + values.insert({entry.first, entry.second}); + } + return values; + }, [](YaHTTP::Request& req, const LuaAssociativeTable<std::string>& values) { (void) values; }); + + /* Response */ + luaCtx.registerMember<std::string(YaHTTP::Response::*)>("body", [](const YaHTTP::Response& resp) -> const std::string { return resp.body; }, [](YaHTTP::Response& resp, const std::string& body) { resp.body = body; }); + luaCtx.registerMember<int(YaHTTP::Response::*)>("status", [](const YaHTTP::Response& resp) -> int { return resp.status; }, [](YaHTTP::Response& resp, int status) { resp.status = status; }); + luaCtx.registerMember<LuaAssociativeTable<std::string>(YaHTTP::Response::*)>("headers", [](const YaHTTP::Response& resp) { + LuaAssociativeTable<std::string> values; + for (const auto& entry : resp.headers) { + values.insert({entry.first, entry.second}); + } + return values; + }, [](YaHTTP::Response& resp, const LuaAssociativeTable<std::string>& values) { + resp.headers.clear(); + for (const auto& entry : values) { + resp.headers.insert({entry.first, entry.second}); + } + }); +#endif /* DISABLE_LUA_WEB_HANDLERS */ +} + |