103 lines
2.9 KiB
C++
103 lines
2.9 KiB
C++
#include "server.h"
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constexpr static const char* GET("GET");
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constexpr static const char* REQUEST_METHOD("REQUEST_METHOD");
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constexpr static const char* REQUEST_URI("REQUEST_URI");
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constexpr static const char* DOCUMENT_URI("DOCUMENT_URI");
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constexpr static const char* DOCUMENT_ROOT("DOCUMENT_ROOT");
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constexpr static const char* SCRIPT_NAME("SCRIPT_NAME");
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constexpr static const char* SCRIPT_FILENAME("SCRIPT_FILENAME");
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constexpr static const char* SERVER_NAME("SERVER_NAME");
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constexpr static const char* status405("Status: 405 Method Not Allowed");
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constexpr static const char* status500("Status: 500 Internal Error");
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constexpr static const char* status200("Status: 200 OK");
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constexpr static const char* contentTypeHtml("Content-type: text/html");
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constexpr static const char* headerEnd("\n\n");
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constexpr static const char* newLine("\n");
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constexpr static const char* svgHeader("image/svg+xml;charset=utf-8");
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Server::Server():
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requestCount(0),
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serverName(std::nullopt)
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{}
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Server::~Server() {
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}
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void Server::handleRequest(FCGX_Request& request) {
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accountRequest(request);
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fcgi_streambuf cin_fcgi_streambuf(request.in);
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fcgi_streambuf cout_fcgi_streambuf(request.out);
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fcgi_streambuf cerr_fcgi_streambuf(request.err);
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std::ostream os{&cout_fcgi_streambuf};
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std::ostream errs{&cerr_fcgi_streambuf};
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std::istream is{&cin_fcgi_streambuf};
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std::string requestMethod(FCGX_GetParam(REQUEST_METHOD, request.envp));
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if (requestMethod != GET) {
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os << status405;
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return;
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}
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writeHeader(os);
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try {
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std::string_view sPath = getPath(request);
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Response response(sPath);
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} catch (const std::exception e) {
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os << e.what();
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}
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}
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void Server::printEnv(std::ostream& out, FCGX_Request& request) {
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char **envp = request.envp;
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for (int i = 0; envp[i] != nullptr; ++i) {
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out << envp[i] << "</br>";
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}
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}
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void Server::writeHeader(std::ostream& out) {
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out << status200 << newLine;
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out << contentTypeHtml;
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out << headerEnd;
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}
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void Server::accountRequest(const FCGX_Request& request) {
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++requestCount;
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if (!serverName.has_value()) {
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try {
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serverName = FCGX_GetParam(SERVER_NAME, request.envp);
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std::cout << "received server name " << serverName.value() << std::endl;
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} catch (...) {
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std::cout << "couldn't parse " << std::endl;
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}
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}
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}
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std::string_view Server::getPath(const FCGX_Request& request) {
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std::string_view path;
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if (serverName.has_value()) {
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const std::string& sn = serverName.value();
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std::string_view scriptFileName(FCGX_GetParam(SCRIPT_FILENAME, request.envp));
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std::string::size_type snLocation = scriptFileName.find(sn);
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if (snLocation != std::string::npos) {
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if (snLocation + sn.size() < scriptFileName.size()) {
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path = scriptFileName.substr(snLocation + sn.size() + 1);
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}
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}
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}
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return path;
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}
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