clib/tests/lib/test.cc - metacpan.org

#include "test.h"
#include "panda/cast.h"
#include "panda/protocol/websocket/ConnectRequest.h"
#include "panda/protocol/websocket/inc.h"
// #include <openssl/dh.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
// #include <openssl/conf.h>
// #include <openssl/engine.h>
// #include <chrono>
// #include <iostream>
// #include <catch2/reporters/catch_reporter_registrars.hpp>
// #include <catch2/reporters/catch_reporter_event_listener.hpp>

using panda::unievent::Timer;
using panda::unievent::TimerSP;
using unievent::Pipe;
using unievent::Tcp;

bool secure = false;
int TServer::dcnt;
// int TClient::dcnt;

// static int64_t _time_mark;

TServerSP make_server (const LoopSP& loop, Server::Config cfg) {
    TServerSP server = new TServer(loop);

    if (!cfg.locations.size()) {
        Location loc;
        loc.host = "127.0.0.1";
        if (secure) { loc.ssl_ctx = TServer::get_context("ca"); }
        cfg.locations.push_back(loc);
    } else if (secure) {
        cfg.locations.front().ssl_ctx = TServer::get_context("ca");
    }

    cfg.tcp_nodelay = true;
    server->configure(cfg);

    server->run();
    return server;
}

SslContext TServer::get_context (string cert_name) {
    auto ctx = SSL_CTX_new(SSLv23_server_method());
    auto r = SslContext::attach(ctx);
    string path("tests/cert");
    string cert = path + "/" + cert_name + ".pem";
    string key = path + "/" + cert_name + ".key";
    int err;

    err = SSL_CTX_use_certificate_file(ctx, cert.c_str(), SSL_FILETYPE_PEM);
    assert(err);

    err = SSL_CTX_use_PrivateKey_file(ctx, key.c_str(), SSL_FILETYPE_PEM);
    assert(err);

    err = SSL_CTX_check_private_key(ctx);
    assert(err);
    return r;
}

SslContext TClient::get_context(string cert_name, const string& ca_name) {
    auto ctx = SSL_CTX_new(SSLv23_client_method());
    auto r = SslContext::attach(ctx);
    string path("tests/cert");
    string ca = path + "/" + ca_name + ".pem";
    string cert = path + "/" + cert_name + ".pem";
    string key = path + "/" + cert_name + ".key";
    int err;

    err = SSL_CTX_load_verify_locations(ctx, ca.c_str(), nullptr);
    assert(err);

    err = SSL_CTX_use_certificate_file(ctx, cert.c_str(), SSL_FILETYPE_PEM);
    if (err != 1) printf("SSL CERT ERROR: %s (load cert %s)\n", ERR_error_string(ERR_get_error(), NULL), cert.c_str());
    assert(err);

    err = SSL_CTX_use_PrivateKey_file(ctx, key.c_str(), SSL_FILETYPE_PEM);
    assert(err);

    SSL_CTX_check_private_key(ctx);
    assert(err);

    SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, nullptr);
    SSL_CTX_set_verify_depth(ctx, 4);

    return r;
}

ServerPair::ServerPair (const LoopSP& loop, Server::Config cfg, bool unixsock) {
    server = make_server(loop, cfg);

    server->connection_event.add([this](auto, auto& cli, auto){
        this->sconn = cli;
    });

    TcpSP tcp;
    PipeSP pipe;
    if (unixsock) { pipe = new Pipe(loop); conn = pipe; }
    else          { tcp  = new Tcp(loop); conn = tcp; }

    if (secure) {  conn->use_ssl( TClient::get_context("ca")); }
    conn->connect_event.add([this](auto& conn, auto& err, auto){
        if (err) {
            printf("server pair connect error: %s\n", err.what().c_str());
            throw err;
        }

        ConnectRequestSP req = new protocol::websocket::ConnectRequest();
        req->uri = new URI("ws://example.com");
        conn->write(parser.connect_request(req));
    });
    conn->read_event.add([this](auto& self, auto, auto& str, auto& err){
        if (parser.established()) return;
        if (err) {
            printf("server pair client read error: %s\n", err.what().c_str());
            throw err;
        }
        auto res = parser.connect(str);
        if (!res) return;
        conn->read_event.remove(self);

        conn->loop()->stop();
    });
    if (unixsock) pipe->connect(panda::dyn_cast<Pipe*>(server->listeners()[0].get())->sockname().value());
    else          tcp->connect(server->sockaddr().value());
    loop->run();
}

void ServerPair::enable_echo () {
    sconn->message_event.remove_all();
    sconn->message_event.add([](auto& sconn, auto& msg){
        sconn->message().opcode(msg->opcode()).send(msg->payload.begin(), msg->payload.end());
    });
}

void ServerPair::autorespond (const string& str) {
    if (!autores) {
        autores = true;
        sconn->message_event.add([this](auto, auto&){
            if (!autoresponse_queue.size()) return;
            auto res = autoresponse_queue.front();
            autoresponse_queue.pop_front();
            sconn->send_text(res);
        });
    }
    autoresponse_queue.push_back(str);
}

void ServerPair::send (const string& str, Opcode opcode) {
    auto bin = parser.message().opcode(opcode).send(str);
    conn->write(bin);
}

// struct SSLVerifyReseter : Catch::EventListenerBase {
//     using EventListenerBase::EventListenerBase; // inherit constructor

//     void testCaseStarting( Catch::TestCaseInfo const& ) override {
//         default_ssl_verify = false;
//     }
// };
// CATCH_REGISTER_LISTENER(SSLVerifyReseter);

// string active_scheme() { return string(secure ? "https" : "http"); }

// int64_t get_time () {
//     using namespace std::chrono;
//     return duration_cast< milliseconds >(steady_clock::now().time_since_epoch()).count();
// }

// void    time_mark    () { _time_mark = get_time(); }
// int64_t time_elapsed () { return get_time() - _time_mark; }

// std::vector<ResponseSP> await_responses (const std::vector<RequestSP>& reqs, const LoopSP& loop) {
//     std::vector<ResponseSP> r;
//     for (auto& req : reqs) {
//         req->response_event.add([&](auto, auto& res, auto& err){
//             if (err) throw err.what();
//             r.emplace_back(res);
//             if (r.size() == reqs.size()) loop->stop();
//         });
//     }
//     loop->run();
//     return r;
// }

// ResponseSP await_any (const std::vector<RequestSP>& reqs, const LoopSP& loop) {
//     ResponseSP r;
//     for (auto& req : reqs) {
//         req->response_event.add([&](auto, auto& res, auto& err){
//             if (err) throw err;
//             r = res;
//             loop->stop();
//         });
//     }
//     loop->run();
//     return r;
// }

// ResponseSP await_response (const RequestSP& req, const LoopSP& loop) { return await_responses({req}, loop)[0]; }



// TServerSP make_ssl_server (const LoopSP& loop) {
//     auto server_ctx = TServer::get_context("ca");
//     auto err = SSL_CTX_load_verify_locations(server_ctx, "tests/cert/ca.pem", nullptr);
//     assert(err);

//     SSL_CTX_set_verify(server_ctx, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, nullptr);
//     SSL_CTX_set_verify_depth(server_ctx, 4);

//     Server::Location loc;
//     loc.host = "127.0.0.1";
//     loc.ssl_ctx = server_ctx;

//     Server::Config server_cfg;
//     server_cfg.locations.push_back(loc);
//     server_cfg.tcp_nodelay = true;

//     TServerSP server = new TServer(loop);
//     server->configure(server_cfg);
//     server->run();
//     return server;
// }






// string TServer::location () const {
//     auto sa = sockaddr().value();
//     return sa.ip() + ':' + panda::to_string(sa.port());
// }

// NetLoc TServer::netloc () const {
//     return { sockaddr()->ip(), sockaddr()->port(), nullptr, {} };
// }



// string TServer::uri () const {
//     string uri = secure ? string("https://") : string("http://");
//     uri += sockaddr()->ip();
//     uri += ":";
//     uri += to_string(sockaddr()->port());
//     uri += "/";
//     return uri;
// }

// void TClient::request (const RequestSP& req) {
//     req->tcp_nodelay = true;
//     if (sa) {
//         req->uri->host(sa.ip());
//         req->uri->port(sa.port());
//     }
//     if (secure) req->uri->scheme("https");
//     Client::request(req);
// }

// ResponseSP TClient::get_response (const RequestSP& req) {
//     ResponseSP response;

//     req->response_event.add([this, &response](auto, auto& res, auto& err){
//         if (err) throw err;
//         response = res;
//         this->loop()->stop();
//     });

//     request(req);
//     loop()->run();

//     return response;
// }

// ResponseSP TClient::get_response (const string& uri, Headers&& headers, Body&& body, bool chunked) {
//     auto b = Request::Builder().uri(uri).headers(std::move(headers)).body(std::move(body));
//     if (chunked) b.chunked();
//     return get_response(b.build());
// }

// ErrorCode TClient::get_error (const RequestSP& req) {
//     ErrorCode error;

//     req->response_event.add([this, &error](auto, auto, auto& err){
//         error = err;
//         this->loop()->stop();
//     });

//     request(req);
//     loop()->run();

//     return error;
// }

// ErrorCode TClient::get_error (const string& uri, Headers&& headers, Body&& body, bool chunked) {
//     auto b = Request::Builder().uri(uri).headers(std::move(headers)).body(std::move(body));
//     if (chunked) b.chunked();
//     return get_error(b.build());
// }




// TClientSP TPool::request (const RequestSP& req) {
//     TClientSP client = dynamic_pointer_cast<TClient>(Pool::request(req));
//     return client;
// }

// static TcpSP make_socks_server (const LoopSP& loop, const net::SockAddr& sa) {
//     TcpSP server = new Tcp(loop);
//     server->bind(sa);
//     server->listen(128);

//     server->connection_event.add([](auto server, auto stream, auto& err) {
//         if (err) throw err;
//         std::shared_ptr<int> state = std::make_shared<int>(0);

//         TcpSP client = new Tcp(server->loop());
//         client->read_event.add([stream](auto, auto& buf, auto& err) {
//             if (err) throw err;
//             // read from remote server
//             stream->write(buf);
//         });
//         client->eof_event.add([stream](auto) mutable {
//             stream->shutdown();
//         });
//         client->write_event.add([](auto, auto& err, auto) { if (err) throw err; });

//         stream->read_event.add([client, state](auto stream, auto& buf, auto&err) {
//             if (err) throw err;
//             switch (*state) {
//                 case 0: {
//                     stream->write("\x05\x00");
//                     *state = 1;
//                     break;
//                 }
//                 case 1: {
//                     string request_type = buf.substr(0, 4);
//                     if (request_type == string("\x05\x01\x00\x03")) {
//                         int host_length = buf[4];
//                         string host = buf.substr(5, host_length);
//                         uint16_t port = ntohs(*(uint16_t*)buf.substr(5 + host_length).data());
//                         client->connect("127.0.0.1", port);
//                         client->connect_event.add([](auto, auto& err, auto){ if (err) throw err; });
//                     } else {
//                         throw std::runtime_error("bad request");
//                     }

//                     stream->write("\x05\x00\x00\x01\xFF\xFF\xFF\xFF\xFF\xFF");
//                     *state = 2;
//                     break;
//                 }
//                 case 2: {
//                     // write to remote server
//                     client->write(buf);
//                     break;
//                 }
//             }
//         });
//     });

//     return server;
// }

// TProxy new_proxy(const LoopSP& loop, const net::SockAddr& sa) {
//     auto server = make_socks_server(loop, sa);
//     auto real_sa = server->sockaddr().value();
//     URISP url = new URI(string("socks5://") + real_sa.ip()  + ":" + to_string(real_sa.port()));
//     return TProxy { server, url };
// }


// ClientPair::ClientPair (const LoopSP& loop, bool with_proxy) {
//     server = make_server(loop, {});
//     client = new TClient(loop);
//     client->sa = server->sockaddr().value();
//     if (with_proxy) {
//         proxy = new_proxy(loop);
//     }
// }



// RawResponseSP ServerPair::get_response () {
//     if (!response_queue.size()) {
//         conn->read_event.remove_all();
//         conn->eof_event.remove_all();

//         conn->read_event.add([&, this](auto, auto& str, auto& err) {
//             if (err) throw err;
//             while (str) {
//                 if (!parser.context_request()) {
//                     if (source_request) parser.set_context_request(source_request);
//                     else                parser.set_context_request(new RawRequest(Request::Method::Get, new URI("/")));
//                 }
//                 auto result = parser.parse_shift(str);
//                 if (result.error) {
//                     WARN(result.error);
//                     throw result.error;
//                 }
//                 if (result.state != State::done) return;
//                 response_queue.push_back(result.response);
//             }
//             if (response_queue.size()) conn->loop()->stop();
//         });
//         conn->eof_event.add([&, this](auto){
//             eof = get_time();
//             auto result = parser.eof();
//             if (result.error) throw result.error;
//             if (result.response) response_queue.push_back(result.response);
//             conn->loop()->stop();
//         });
//         conn->loop()->run();
//         conn->read_event.remove_all();
//         conn->eof_event.remove_all();
//     }

//     if (!response_queue.size()) throw std::runtime_error("no response");
//     auto ret = response_queue.front();
//     response_queue.pop_front();
//     return ret;
// }

// int64_t ServerPair::wait_eof (int tmt) {
//     if (eof) return eof;

//     TimerSP timer;
//     if (tmt) timer = Timer::create(tmt, [this](auto) {
//         conn->loop()->stop();
//     }, conn->loop());

//     conn->eof_event.add([this](auto){
//         eof = get_time();
//         conn->loop()->stop();
//     });

//     conn->loop()->run();
//     return eof;
// }
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