void WebServer::get(BaseLib::HTTP& http, std::shared_ptr<BaseLib::SocketOperations> socket)
{
try
{
if(!socket)
{ _out.printError("Error: Socket is nullptr.");
return;
}
std::string path = http.getHeader()->path;
BaseLib::EventHandlers eventHandlers = getEventHandlers();
for(BaseLib::EventHandlers::const_iterator i = eventHandlers.begin(); i != eventHandlers.end(); ++i)
{
i->second->lock();
if(i->second->handler() && ((BaseLib::Rpc::IWebserverEventSink*)i->second->handler())->onGet(_serverInfo, http, socket, path))
{
i->second->unlock();
return;
}
i->second->unlock();
}
std::vector<std::string> headers;
std::vector<char> content;
if(!path.empty() && path.front() == '/') path = path.substr(1);
bool isDirectory = false;
BaseLib::Io::isDirectory(_serverInfo->contentPath + path, isDirectory);
if(isDirectory)
{
if(!path.empty() && path.back() != '/')
{
path.push_back('/');
std::vector<std::string> additionalHeaders({std::string("Location: ") + path});
getError(301, "Moved Permanently", "The document has moved <a href=\"" + path + "\">here</a>.", content, additionalHeaders);
send(socket, content);
return;
}
if(GD::bl->io.fileExists(_serverInfo->contentPath + path + "index.php")) path += "index.php";
else if(GD::bl->io.fileExists(_serverInfo->contentPath + path + "index.php5")) path += "index.php5";
else if(GD::bl->io.fileExists(_serverInfo->contentPath + path + "index.php7")) path += "index.php7";
else if(GD::bl->io.fileExists(_serverInfo->contentPath + path + "index.html")) path += "index.html";
else if(GD::bl->io.fileExists(_serverInfo->contentPath + path + "index.htm")) path += "index.htm";
else
{
getError(404, "Not Found", "The requested URL / was not found on this server.", content);
send(socket, content);
return;
}
}
if(!BaseLib::Io::fileExists(_serverInfo->contentPath + path))
{
getError(404, _http.getStatusText(404), "The requested URL " + path + " was not found on this server.", content);
send(socket, content);
return;
}
try
{
_out.printInfo("Client is requesting: " + http.getHeader()->path + " (translated to " + _serverInfo->contentPath + path + ", method: GET)");
std::string ending = "";
int32_t pos = path.find_last_of('.');
if(pos != (signed)std::string::npos && (unsigned)pos < path.size() - 1) ending = path.substr(pos + 1);
GD::bl->hf.toLower(ending);
std::string contentString;
#ifdef SCRIPTENGINE
if(ending == "php" || ending == "php5" || ending == "php7")
{
GD::scriptEngine->executeWebRequest(_serverInfo->contentPath + path, http, _serverInfo, socket);
socket->close();
return;
}
#endif
std::string contentType = _http.getMimeType(ending);
if(contentType.empty()) contentType = "application/octet-stream";
//Don't return content when method is "HEAD"
if(http.getHeader()->method == "GET") contentString = GD::bl->io.getFileContent(_serverInfo->contentPath + path);
std::string header;
_http.constructHeader(contentString.size(), contentType, 200, "OK", headers, header);
content.insert(content.end(), header.begin(), header.end());
if(!contentString.empty()) content.insert(content.end(), contentString.begin(), contentString.end());
send(socket, content);
}
catch(const std::exception& ex)
{
getError(404, _http.getStatusText(404), "The requested URL " + path + " was not found on this server.", content);
send(socket, content);
return;
}
catch(BaseLib::Exception& ex)
{
getError(404, _http.getStatusText(404), "The requested URL " + path + " was not found on this server.", content);
send(socket, content);
return;
}
}
catch(const std::exception& ex)
{
_out.printEx(__FILE__, __LINE__, __PRETTY_FUNCTION__, ex.what());
}
catch(BaseLib::Exception& ex)
{
_out.printEx(__FILE__, __LINE__, __PRETTY_FUNCTION__, ex.what());
}
catch(...)
{
_out.printEx(__FILE__, __LINE__, __PRETTY_FUNCTION__);
}
}
bool Auth::basicServer(BaseLib::HTTP& httpPacket)
{
if(!_initialized) throw AuthException("Not initialized.");
_http.reset();
uint32_t bufferLength = 1024;
char buffer[bufferLength + 1];
if(httpPacket.getHeader()->authorization.empty())
{
if(_basicAuthHTTPHeader.empty())
{
_basicAuthHTTPHeader.append("HTTP/1.1 401 Authorization Required\r\n");
_basicAuthHTTPHeader.append("WWW-Authenticate: Basic realm=\"Authentication Required\"\r\n");
_basicAuthHTTPHeader.append("Connection: Keep-Alive\r\n");
std::string content("<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\"><html><head><meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\"><title>Authorization Required</title></head><body>Authorization Required</body></html>");
_basicAuthHTTPHeader.append("Content-Length: " + std::to_string(content.size()) + "\r\n\r\n");
_basicAuthHTTPHeader.append(content);
}
std::shared_ptr<std::vector<char>> data(new std::vector<char>());
data->insert(data->begin(), _basicAuthHTTPHeader.begin(), _basicAuthHTTPHeader.end());
try
{
_socket->proofwrite(data);
int32_t bytesRead = _socket->proofread(buffer, bufferLength);
//Some clients send only one byte in the first packet
if(bytesRead == 1) bytesRead += _socket->proofread(&buffer[1], bufferLength - 1);
buffer[bytesRead] = '\0';
try
{
_http.process(buffer, bufferLength);
}
catch(BaseLib::HTTPException& ex)
{
throw AuthException("Authorization failed because of HTTP exception: " + ex.what());
}
}
catch(const BaseLib::SocketOperationException& ex)
{
throw AuthException("Authorization failed because of socket exception: " + ex.what());
}
}
else _http = httpPacket;
if(_http.getHeader()->authorization.empty())
{
sendBasicUnauthorized(false);
throw AuthException("No header field \"Authorization\"");
}
std::pair<std::string, std::string> authData = BaseLib::HelperFunctions::splitLast(_http.getHeader()->authorization, ' ');
BaseLib::HelperFunctions::toLower(authData.first);
if(authData.first != "basic")
{
sendBasicUnauthorized(false);
throw AuthException("Authorization type is not basic but: " + authData.first);
}
std::string decodedData;
BaseLib::Base64::decode(authData.second, decodedData);
std::pair<std::string, std::string> credentials = BaseLib::HelperFunctions::splitLast(decodedData, ':');
BaseLib::HelperFunctions::toLower(credentials.first);
if(std::find(_validUsers.begin(), _validUsers.end(), credentials.first) == _validUsers.end())
{
sendBasicUnauthorized(false);
throw AuthException("User name " + credentials.first + " is not in the list of valid users in /etc/homegear/rpcservers.conf.");
}
if(User::verify(credentials.first, credentials.second)) return true;
sendBasicUnauthorized(false);
return false;
}
void WebServer::post(BaseLib::HTTP& http, std::shared_ptr<BaseLib::SocketOperations> socket)
{
try
{
std::vector<char> content;
#ifdef SCRIPTENGINE
if(!socket)
{ _out.printError("Error: Socket is nullptr.");
return;
}
std::string path = http.getHeader()->path;
BaseLib::EventHandlers eventHandlers = getEventHandlers();
for(BaseLib::EventHandlers::const_iterator i = eventHandlers.begin(); i != eventHandlers.end(); ++i)
{
i->second->lock();
if(i->second->handler() && ((BaseLib::Rpc::IWebserverEventSink*)i->second->handler())->onGet(_serverInfo, http, socket, path))
{
i->second->unlock();
return;
}
i->second->unlock();
}
if(!path.empty() && path.front() == '/') path = path.substr(1);
bool isDirectory = false;
BaseLib::Io::isDirectory(_serverInfo->contentPath + path, isDirectory);
if(isDirectory)
{
if(!path.empty() && path.back() != '/')
{
path.push_back('/');
std::vector<std::string> additionalHeaders({std::string("Location: ") + path});
getError(301, "Moved Permanently", "The document has moved <a href=\"" + path + "\">here</a>.", content, additionalHeaders);
send(socket, content);
return;
}
if(GD::bl->io.fileExists(_serverInfo->contentPath + path + "index.php")) path += "index.php";
else if(GD::bl->io.fileExists(_serverInfo->contentPath + path + "index.php5")) path += "index.php5";
else if(GD::bl->io.fileExists(_serverInfo->contentPath + path + "index.php7")) path += "index.php7";
else
{
getError(404, _http.getStatusText(404), "The requested URL / was not found on this server.", content);
send(socket, content);
return;
}
}
if(!BaseLib::Io::fileExists(_serverInfo->contentPath + path))
{
getError(404, _http.getStatusText(404), "The requested URL " + path + " was not found on this server.", content);
send(socket, content);
return;
}
try
{
_out.printInfo("Client is requesting: " + http.getHeader()->path + " (translated to: \"" + _serverInfo->contentPath + path + "\", method: POST)");
GD::scriptEngine->executeWebRequest(_serverInfo->contentPath + path, http, _serverInfo, socket);
socket->close();
}
catch(const std::exception& ex)
{
getError(404, _http.getStatusText(404), "The requested URL " + path + " was not found on this server.", content);
send(socket, content);
return;
}
catch(BaseLib::Exception& ex)
{
getError(404, _http.getStatusText(404), "The requested URL " + path + " was not found on this server.", content);
send(socket, content);
return;
}
#else
getError(304, _http.getStatusText(304), "Homegear is compiled without script engine.", content);
send(socket, content);
#endif
}
catch(const std::exception& ex)
{
_out.printEx(__FILE__, __LINE__, __PRETTY_FUNCTION__, ex.what());
}
catch(BaseLib::Exception& ex)
{
_out.printEx(__FILE__, __LINE__, __PRETTY_FUNCTION__, ex.what());
}
catch(...)
{
_out.printEx(__FILE__, __LINE__, __PRETTY_FUNCTION__);
}
}
int32_t ScriptEngine::executeWebRequest(const std::string& path, BaseLib::HTTP& request, std::shared_ptr<BaseLib::Rpc::ServerInfo::Info>& serverInfo, std::shared_ptr<BaseLib::SocketOperations>& socket)
{
if(_disposing) return 1;
if(!GD::bl->io.fileExists(path))
{
GD::out.printError("Error: PHP script \"" + path + "\" does not exist.");
return -1;
}
ts_resource_ex(0, NULL); //Replaces TSRMLS_FETCH()
try
{
zend_file_handle script;
script.type = ZEND_HANDLE_FILENAME;
script.filename = path.c_str();
script.opened_path = NULL;
script.free_filename = 0;
zend_homegear_globals* globals = php_homegear_get_globals();
if(!globals)
{
ts_free_thread();
return -1;
}
globals->socket = socket.get();
globals->http = &request;
if(!tsrm_get_ls_cache())
{
GD::out.printCritical("Critical: Error in PHP: No thread safe resource exists (1).");
ts_free_thread();
return -1;
}
if(!((sapi_globals_struct *) (*((void ***) tsrm_get_ls_cache()))[((sapi_globals_id)-1)]))
{
GD::out.printCritical("Critical: Error in PHP: No thread safe resource exists (2).");
ts_free_thread();
return -1;
}
SG(server_context) = (void*)serverInfo.get(); //Must be defined! Otherwise POST data is not processed.
SG(sapi_headers).http_response_code = 200;
SG(default_mimetype) = nullptr;
SG(default_charset) = nullptr;
SG(request_info).content_length = request.getHeader()->contentLength;
if(!request.getHeader()->contentType.empty()) SG(request_info).content_type = request.getHeader()->contentType.c_str();
SG(request_info).request_method = request.getHeader()->method.c_str();
SG(request_info).proto_num = request.getHeader()->protocol == BaseLib::HTTP::Protocol::http10 ? 1000 : 1001;
std::string uri = request.getHeader()->path + request.getHeader()->pathInfo;
if(!request.getHeader()->args.empty()) uri.append('?' + request.getHeader()->args);
if(!request.getHeader()->args.empty()) SG(request_info).query_string = estrndup(&request.getHeader()->args.at(0), request.getHeader()->args.size());
if(!uri.empty()) SG(request_info).request_uri = estrndup(&uri.at(0), uri.size());
std::string pathTranslated = serverInfo->contentPath.substr(0, serverInfo->contentPath.size() - 1) + request.getHeader()->pathInfo;
SG(request_info).path_translated = estrndup(&pathTranslated.at(0), pathTranslated.size());
if (php_request_startup() == FAILURE) {
GD::bl->out.printError("Error calling php_request_startup...");
ts_free_thread();
return 1;
}
php_execute_script(&script);
int32_t exitCode = EG(exit_status);
if(SG(request_info).query_string)
{
efree(SG(request_info).query_string);
SG(request_info).query_string = nullptr;
}
if(SG(request_info).request_uri)
{
efree(SG(request_info).request_uri);
SG(request_info).request_uri = nullptr;
}
if(SG(request_info).path_translated)
{
efree(SG(request_info).path_translated);
SG(request_info).path_translated = nullptr;
}
php_request_shutdown(NULL);
ts_free_thread();
return exitCode;
}
catch(const std::exception& ex)
{
GD::bl->out.printEx(__FILE__, __LINE__, __PRETTY_FUNCTION__, ex.what());
}
catch(BaseLib::Exception& ex)
{
GD::bl->out.printEx(__FILE__, __LINE__, __PRETTY_FUNCTION__, ex.what());
}
catch(...)
{
GD::bl->out.printEx(__FILE__, __LINE__, __PRETTY_FUNCTION__);
}
std::string error("Error executing script. Check Homegear log for more details.");
if(socket) php_homegear_write_socket(socket.get(), error.c_str(), error.length());
if(SG(request_info).query_string)
{
efree(SG(request_info).query_string);
SG(request_info).query_string = nullptr;
}
if(SG(request_info).request_uri)
{
efree(SG(request_info).request_uri);
SG(request_info).request_uri = nullptr;
}
if(SG(request_info).path_translated)
{
efree(SG(request_info).path_translated);
SG(request_info).path_translated = nullptr;
}
ts_free_thread();
return 1;
}
