diff options
Diffstat (limited to 'backends/networking/sdl_net')
31 files changed, 3697 insertions, 0 deletions
diff --git a/backends/networking/sdl_net/client.cpp b/backends/networking/sdl_net/client.cpp new file mode 100644 index 0000000000..dab38ba5c0 --- /dev/null +++ b/backends/networking/sdl_net/client.cpp @@ -0,0 +1,190 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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. +* +*/ + +#define FORBIDDEN_SYMBOL_ALLOW_ALL + +#include "backends/networking/sdl_net/client.h" +#include "backends/networking/sdl_net/localwebserver.h" +#include "common/memstream.h" +#include <SDL/SDL_net.h> + +namespace Networking { + +Client::Client(): + _state(INVALID), _set(nullptr), _socket(nullptr), _handler(nullptr), + _previousHandler(nullptr), _stream(nullptr), _buffer(new byte[CLIENT_BUFFER_SIZE]) {} + +Client::Client(SDLNet_SocketSet set, TCPsocket socket): + _state(INVALID), _set(nullptr), _socket(nullptr), _handler(nullptr), + _previousHandler(nullptr), _stream(nullptr), _buffer(new byte[CLIENT_BUFFER_SIZE]) { + open(set, socket); +} + +Client::~Client() { + close(); + delete[] _buffer; +} + +void Client::open(SDLNet_SocketSet set, TCPsocket socket) { + if (_state != INVALID) + close(); + _state = READING_HEADERS; + _socket = socket; + _set = set; + Reader cleanReader; + _reader = cleanReader; + if (_handler) + delete _handler; + _handler = nullptr; + if (_previousHandler) + delete _previousHandler; + _previousHandler = nullptr; + _stream = new Common::MemoryReadWriteStream(DisposeAfterUse::YES); + if (set) { + int numused = SDLNet_TCP_AddSocket(set, socket); + if (numused == -1) { + error("Client: SDLNet_AddSocket: %s\n", SDLNet_GetError()); + } + } +} + +bool Client::readMoreIfNeeded() { + if (_stream == nullptr) + return false; //nothing to read into + if (_stream->size() - _stream->pos() > 0) + return true; //not needed, some data left in the stream + if (!_socket) + return false; + if (!SDLNet_SocketReady(_socket)) + return false; + + int bytes = SDLNet_TCP_Recv(_socket, _buffer, CLIENT_BUFFER_SIZE); + if (bytes <= 0) { + warning("Client::readMoreIfNeeded: recv fail"); + close(); + return false; + } + + if (_stream->write(_buffer, bytes) != bytes) { + warning("Client::readMoreIfNeeded: failed to write() into MemoryReadWriteStream"); + close(); + return false; + } + + return true; +} + +void Client::readHeaders() { + if (!readMoreIfNeeded()) + return; + _reader.setContent(_stream); + if (_reader.readFirstHeaders()) + _state = (_reader.badRequest() ? BAD_REQUEST : READ_HEADERS); +} + +bool Client::readContent(Common::WriteStream *stream) { + if (!readMoreIfNeeded()) + return false; + _reader.setContent(_stream); + return _reader.readFirstContent(stream); +} + +bool Client::readBlockHeaders(Common::WriteStream *stream) { + if (!readMoreIfNeeded()) + return false; + _reader.setContent(_stream); + return _reader.readBlockHeaders(stream); +} + +bool Client::readBlockContent(Common::WriteStream *stream) { + if (!readMoreIfNeeded()) + return false; + _reader.setContent(_stream); + return _reader.readBlockContent(stream); +} + +void Client::setHandler(ClientHandler *handler) { + if (_handler) { + if (_previousHandler) + delete _previousHandler; + _previousHandler = _handler; //can't just delete it, as setHandler() could've been called by handler itself + } + _state = BEING_HANDLED; + _handler = handler; +} + +void Client::handle() { + if (_state != BEING_HANDLED) + warning("handle() called in a wrong Client's state"); + if (!_handler) + warning("Client doesn't have handler to be handled by"); + if (_handler) + _handler->handle(this); +} + +void Client::close() { + if (_set) { + if (_socket) { + int numused = SDLNet_TCP_DelSocket(_set, _socket); + if (numused == -1) + error("Client: SDLNet_DelSocket: %s\n", SDLNet_GetError()); + } + _set = nullptr; + } + + if (_socket) { + SDLNet_TCP_Close(_socket); + _socket = nullptr; + } + + if (_stream) { + delete _stream; + _stream = nullptr; + } + + _state = INVALID; +} + + +ClientState Client::state() const { return _state; } + +Common::String Client::headers() const { return _reader.headers(); } + +Common::String Client::method() const { return _reader.method(); } + +Common::String Client::path() const { return _reader.path(); } + +Common::String Client::query() const { return _reader.query(); } + +Common::String Client::queryParameter(Common::String name) const { return _reader.queryParameter(name); } + +Common::String Client::anchor() const { return _reader.anchor(); } + +bool Client::noMoreContent() const { return _reader.noMoreContent(); } + +bool Client::socketIsReady() { return SDLNet_SocketReady(_socket); } + +int Client::recv(void *data, int maxlen) { return SDLNet_TCP_Recv(_socket, data, maxlen); } + +int Client::send(void *data, int len) { return SDLNet_TCP_Send(_socket, data, len); } + +} // End of namespace Networking diff --git a/backends/networking/sdl_net/client.h b/backends/networking/sdl_net/client.h new file mode 100644 index 0000000000..134c1be05d --- /dev/null +++ b/backends/networking/sdl_net/client.h @@ -0,0 +1,125 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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. +* +*/ + +#ifndef BACKENDS_NETWORKING_SDL_NET_CLIENT_H +#define BACKENDS_NETWORKING_SDL_NET_CLIENT_H + +#include "backends/networking/sdl_net/reader.h" +#include "common/str.h" + +namespace Common { +class MemoryReadWriteStream; +} + +typedef struct _SDLNet_SocketSet *SDLNet_SocketSet; +typedef struct _TCPsocket *TCPsocket; + +namespace Networking { + +enum ClientState { + INVALID, + READING_HEADERS, + READ_HEADERS, + BAD_REQUEST, + BEING_HANDLED +}; + +class Client; + +#define CLIENT_BUFFER_SIZE 1 * 1024 * 1024 + +class ClientHandler { +public: + virtual ~ClientHandler() {}; + virtual void handle(Client *client) = 0; +}; + +/** + * Client class represents one client's HTTP request + * to the LocalWebserver. + * + * While in READING_HEADERS state, it's kept in LocalWebserver. + * Client must read the headers and decide whether it's + * READ_HEADERS (could be handled) or BAD_REQUEST (failed). + * + * If it's READ_HEADERS, LocalWebserver searches for a corresponding + * BaseHandler. These classes use the information from headers - + * like method, path, GET parameters - to build the response + * for this client's request. When they do, they call setHandler() + * and pass a special ClientHandler. Client becomes BEING_HANDLED. + * + * While in that state, LocalWebserver calls Client's handle() and + * it's passed to ClientHandler. The latter does the job: it commands + * Client to read or write bytes with its socket or calls + * readContent() methods, so Client reads the request through Reader. + */ + +class Client { + ClientState _state; + SDLNet_SocketSet _set; + TCPsocket _socket; + Reader _reader; + ClientHandler *_handler, *_previousHandler; + Common::MemoryReadWriteStream *_stream; + byte *_buffer; + + bool readMoreIfNeeded(); + +public: + Client(); + Client(SDLNet_SocketSet set, TCPsocket socket); + virtual ~Client(); + + void open(SDLNet_SocketSet set, TCPsocket socket); + void readHeaders(); + bool readContent(Common::WriteStream *stream); + bool readBlockHeaders(Common::WriteStream *stream); + bool readBlockContent(Common::WriteStream *stream); + void setHandler(ClientHandler *handler); + void handle(); + void close(); + + ClientState state() const; + Common::String headers() const; + Common::String method() const; + Common::String path() const; + Common::String query() const; + Common::String queryParameter(Common::String name) const; + Common::String anchor() const; + + bool noMoreContent() const; + + /** + * Return SDLNet_SocketReady(_socket). + * + * It's "ready" when it has something + * to read (recv()). You can send() + * when this is false. + */ + bool socketIsReady(); + int recv(void *data, int maxlen); + int send(void *data, int len); +}; + +} // End of namespace Networking + +#endif diff --git a/backends/networking/sdl_net/getclienthandler.cpp b/backends/networking/sdl_net/getclienthandler.cpp new file mode 100644 index 0000000000..1c4f5db8a8 --- /dev/null +++ b/backends/networking/sdl_net/getclienthandler.cpp @@ -0,0 +1,162 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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 "backends/networking/sdl_net/getclienthandler.h" +#include "common/textconsole.h" + +namespace Networking { + +GetClientHandler::GetClientHandler(Common::SeekableReadStream *stream): + _responseCode(200), _headersPrepared(false), + _stream(stream), _buffer(new byte[CLIENT_HANDLER_BUFFER_SIZE]) {} + +GetClientHandler::~GetClientHandler() { + delete _stream; + delete[] _buffer; +} + +const char *GetClientHandler::responseMessage(long responseCode) { + switch (responseCode) { + case 100: return "Continue"; + case 101: return "Switching Protocols"; + case 102: return "Processing"; + + case 200: return "OK"; + case 201: return "Created"; + case 202: return "Accepted"; + case 203: return "Non-Authoritative Information"; + case 204: return "No Content"; + case 205: return "Reset Content"; + case 206: return "Partial Content"; + case 207: return "Multi-Status"; + case 226: return "IM Used"; + + case 300: return "Multiple Choices"; + case 301: return "Moved Permanently"; + case 302: return "Moved Temporarily"; //case 302: return "Found"; + case 303: return "See Other"; + case 304: return "Not Modified"; + case 305: return "Use Proxy"; + case 306: return "RESERVED"; + case 307: return "Temporary Redirect"; + + case 400: return "Bad Request"; + case 401: return "Unauthorized"; + case 402: return "Payment Required"; + case 403: return "Forbidden"; + case 404: return "Not Found"; + case 405: return "Method Not Allowed"; + case 406: return "Not Acceptable"; + case 407: return "Proxy Authentication Required"; + case 408: return "Request Timeout"; + case 409: return "Conflict"; + case 410: return "Gone"; + case 411: return "Length Required"; + case 412: return "Precondition Failed"; + case 413: return "Request Entity Too Large"; + case 414: return "Request-URI Too Large"; + case 415: return "Unsupported Media Type"; + case 416: return "Requested Range Not Satisfiable"; + case 417: return "Expectation Failed"; + case 422: return "Unprocessable Entity"; + case 423: return "Locked"; + case 424: return "Failed Dependency"; + case 425: return "Unordered Collection"; + case 426: return "Upgrade Required"; + case 428: return "Precondition Required"; + case 429: return "Too Many Requests"; + case 431: return "Request Header Fields Too Large"; + case 434: return "Requested Host Unavailable"; + case 449: return "Retry With"; + case 451: return "Unavailable For Legal Reasons"; + + case 500: return "Internal Server Error"; + case 501: return "Not Implemented"; + case 502: return "Bad Gateway"; + case 503: return "Service Unavailable"; + case 504: return "Gateway Timeout"; + case 505: return "HTTP Version Not Supported"; + case 506: return "Variant Also Negotiates"; + case 507: return "Insufficient Storage"; + case 508: return "Loop Detected"; + case 509: return "Bandwidth Limit Exceeded"; + case 510: return "Not Extended"; + case 511: return "Network Authentication Required"; + } + return "Unknown"; +} + +void GetClientHandler::prepareHeaders() { + if (!_specialHeaders.contains("Content-Type")) + setHeader("Content-Type", "text/html"); + + if (!_specialHeaders.contains("Content-Length") && _stream) + setHeader("Content-Length", Common::String::format("%u", _stream->size())); + + _headers = Common::String::format("HTTP/1.1 %ld %s\r\n", _responseCode, responseMessage(_responseCode)); + for (Common::HashMap<Common::String, Common::String>::iterator i = _specialHeaders.begin(); i != _specialHeaders.end(); ++i) + _headers += i->_key + ": " + i->_value + "\r\n"; + _headers += "\r\n"; + + _headersPrepared = true; +} + +void GetClientHandler::handle(Client *client) { + if (!client) + return; + if (!_headersPrepared) + prepareHeaders(); + + uint32 readBytes; + + // send headers first + if (_headers.size() > 0) { + readBytes = _headers.size(); + if (readBytes > CLIENT_HANDLER_BUFFER_SIZE) + readBytes = CLIENT_HANDLER_BUFFER_SIZE; + memcpy(_buffer, _headers.c_str(), readBytes); + _headers.erase(0, readBytes); + } else { + if (!_stream) { + client->close(); + return; + } + + readBytes = _stream->read(_buffer, CLIENT_HANDLER_BUFFER_SIZE); + } + + if (readBytes != 0) + if (client->send(_buffer, readBytes) != readBytes) { + warning("GetClientHandler: unable to send all bytes to the client"); + client->close(); + return; + } + + // we're done here! + if (_stream->eos()) + client->close(); +} + +void GetClientHandler::setHeader(Common::String name, Common::String value) { _specialHeaders[name] = value; } +void GetClientHandler::setResponseCode(long code) { _responseCode = code; } + +} // End of namespace Networking diff --git a/backends/networking/sdl_net/getclienthandler.h b/backends/networking/sdl_net/getclienthandler.h new file mode 100644 index 0000000000..3486ceef8a --- /dev/null +++ b/backends/networking/sdl_net/getclienthandler.h @@ -0,0 +1,57 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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. +* +*/ + +#ifndef BACKENDS_NETWORKING_SDL_NET_GETCLIENTHANDLER_H +#define BACKENDS_NETWORKING_SDL_NET_GETCLIENTHANDLER_H + +#include "backends/networking/sdl_net/client.h" +#include "common/hashmap.h" +#include "common/stream.h" +#include "common/hash-str.h" + +namespace Networking { + +#define CLIENT_HANDLER_BUFFER_SIZE 1 * 1024 * 1024 + +class GetClientHandler: public ClientHandler { + Common::HashMap<Common::String, Common::String> _specialHeaders; + long _responseCode; + bool _headersPrepared; + Common::String _headers; + Common::SeekableReadStream *_stream; + byte *_buffer; + + static const char *responseMessage(long responseCode); + void prepareHeaders(); + +public: + GetClientHandler(Common::SeekableReadStream *stream); + virtual ~GetClientHandler(); + + virtual void handle(Client *client); + void setHeader(Common::String name, Common::String value); + void setResponseCode(long code); +}; + +} // End of namespace Networking + +#endif diff --git a/backends/networking/sdl_net/handlers/basehandler.h b/backends/networking/sdl_net/handlers/basehandler.h new file mode 100644 index 0000000000..dec5e955bd --- /dev/null +++ b/backends/networking/sdl_net/handlers/basehandler.h @@ -0,0 +1,41 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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. +* +*/ + +#ifndef BACKENDS_NETWORKING_SDL_NET_BASEHANDLER_H +#define BACKENDS_NETWORKING_SDL_NET_BASEHANDLER_H + +#include "backends/networking/sdl_net/client.h" + +namespace Networking { + +class BaseHandler { +public: + BaseHandler() {} + virtual ~BaseHandler() {} + + virtual void handle(Client &) = 0; + virtual bool minimalModeSupported() { return false; } +}; + +} // End of namespace Networking + +#endif diff --git a/backends/networking/sdl_net/handlers/createdirectoryhandler.cpp b/backends/networking/sdl_net/handlers/createdirectoryhandler.cpp new file mode 100644 index 0000000000..284bf16651 --- /dev/null +++ b/backends/networking/sdl_net/handlers/createdirectoryhandler.cpp @@ -0,0 +1,129 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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 "backends/networking/sdl_net/handlers/createdirectoryhandler.h" +#include "backends/fs/fs-factory.h" +#include "backends/networking/sdl_net/handlerutils.h" +#include "backends/networking/sdl_net/localwebserver.h" +#include "common/translation.h" +#include <common/callback.h> + +namespace Networking { + +CreateDirectoryHandler::CreateDirectoryHandler() {} + +CreateDirectoryHandler::~CreateDirectoryHandler() {} + +void CreateDirectoryHandler::handleError(Client &client, Common::String message) const { + if (client.queryParameter("answer_json") == "true") + setJsonResponseHandler(client, "error", message); + else + HandlerUtils::setFilesManagerErrorMessageHandler(client, message); +} + +void CreateDirectoryHandler::setJsonResponseHandler(Client &client, Common::String type, Common::String message) const { + Common::JSONObject response; + response.setVal("type", new Common::JSONValue(type)); + response.setVal("message", new Common::JSONValue(message)); + + Common::JSONValue json = response; + LocalWebserver::setClientGetHandler(client, json.stringify(true)); +} + +/// public + +void CreateDirectoryHandler::handle(Client &client) { + Common::String path = client.queryParameter("path"); + Common::String name = client.queryParameter("directory_name"); + + // check that <path> is not an absolute root + if (path == "" || path == "/") { + handleError(client, _("Can't create directory here!")); + return; + } + + // check that <path> contains no '../' + if (HandlerUtils::hasForbiddenCombinations(path)) { + handleError(client, _("Invalid path!")); + return; + } + + // transform virtual path to actual file system one + Common::String prefixToRemove = "", prefixToAdd = ""; + if (!transformPath(path, prefixToRemove, prefixToAdd) || path.empty()) { + handleError(client, _("Invalid path!")); + return; + } + + // check that <path> exists, is directory and isn't forbidden + AbstractFSNode *node = g_system->getFilesystemFactory()->makeFileNodePath(path); + if (!HandlerUtils::permittedPath(node->getPath())) { + handleError(client, _("Invalid path!")); + return; + } + if (!node->exists()) { + handleError(client, _("Parent directory doesn't exists!")); + return; + } + if (!node->isDirectory()) { + handleError(client, _("Can't create a directory within a file!")); + return; + } + + // check that <directory_name> doesn't exist or is directory + if (path.lastChar() != '/' && path.lastChar() != '\\') + path += '/'; + node = g_system->getFilesystemFactory()->makeFileNodePath(path + name); + if (node->exists()) { + if (!node->isDirectory()) { + handleError(client, _("There is a file with that name in the parent directory!")); + return; + } + } else { + // create the <directory_name> in <path> + if (!node->create(true)) { + handleError(client, _("Failed to create the directory!")); + return; + } + } + + // if json requested, respond with it + if (client.queryParameter("answer_json") == "true") { + setJsonResponseHandler(client, "success", _("Directory created successfully!")); + return; + } + + // set redirect on success + HandlerUtils::setMessageHandler( + client, + Common::String::format( + "%s<br/><a href=\"files?path=%s\">%s</a>", + _("Directory created successfully!"), + client.queryParameter("path").c_str(), + _("Back to parent directory") + ), + (client.queryParameter("ajax") == "true" ? "/filesAJAX?path=" : "/files?path=") + + LocalWebserver::urlEncodeQueryParameterValue(client.queryParameter("path")) + ); +} + +} // End of namespace Networking diff --git a/backends/networking/sdl_net/handlers/createdirectoryhandler.h b/backends/networking/sdl_net/handlers/createdirectoryhandler.h new file mode 100644 index 0000000000..2a18d5c4aa --- /dev/null +++ b/backends/networking/sdl_net/handlers/createdirectoryhandler.h @@ -0,0 +1,42 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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. +* +*/ + +#ifndef BACKENDS_NETWORKING_SDL_NET_CREATEDIRECTORYHANDLER_H +#define BACKENDS_NETWORKING_SDL_NET_CREATEDIRECTORYHANDLER_H + +#include "backends/networking/sdl_net/handlers/filesbasehandler.h" + +namespace Networking { + +class CreateDirectoryHandler: public FilesBaseHandler { + void handleError(Client &client, Common::String message) const; + void setJsonResponseHandler(Client &client, Common::String type, Common::String message) const; +public: + CreateDirectoryHandler(); + virtual ~CreateDirectoryHandler(); + + virtual void handle(Client &client); +}; + +} // End of namespace Networking + +#endif diff --git a/backends/networking/sdl_net/handlers/downloadfilehandler.cpp b/backends/networking/sdl_net/handlers/downloadfilehandler.cpp new file mode 100644 index 0000000000..9e212b1a6c --- /dev/null +++ b/backends/networking/sdl_net/handlers/downloadfilehandler.cpp @@ -0,0 +1,88 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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 "backends/networking/sdl_net/handlers/downloadfilehandler.h" +#include "backends/fs/fs-factory.h" +#include "backends/networking/sdl_net/getclienthandler.h" +#include "backends/networking/sdl_net/handlerutils.h" +#include "backends/networking/sdl_net/localwebserver.h" +#include "common/translation.h" + +namespace Networking { + +DownloadFileHandler::DownloadFileHandler() {} + +DownloadFileHandler::~DownloadFileHandler() {} + +/// public + +void DownloadFileHandler::handle(Client &client) { + Common::String path = client.queryParameter("path"); + + // check that <path> is not an absolute root + if (path == "" || path == "/") { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("Invalid path!")); + return; + } + + // check that <path> contains no '../' + if (HandlerUtils::hasForbiddenCombinations(path)) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("Invalid path!")); + return; + } + + // transform virtual path to actual file system one + Common::String prefixToRemove = "", prefixToAdd = ""; + if (!transformPath(path, prefixToRemove, prefixToAdd, false) || path.empty()) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("Invalid path!")); + return; + } + + // check that <path> exists, is directory and isn't forbidden + AbstractFSNode *node = g_system->getFilesystemFactory()->makeFileNodePath(path); + if (!HandlerUtils::permittedPath(node->getPath())) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("Invalid path!")); + return; + } + if (!node->exists()) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("The file doesn't exist!")); + return; + } + if (node->isDirectory()) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("Can't download a directory!")); + return; + } + Common::SeekableReadStream *stream = node->createReadStream(); + if (stream == nullptr) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("Failed to read the file!")); + return; + } + + GetClientHandler *handler = new GetClientHandler(stream); + handler->setResponseCode(200); + handler->setHeader("Content-Type", "application/force-download"); + handler->setHeader("Content-Disposition", "attachment; filename=\"" + node->getDisplayName() + "\""); + handler->setHeader("Content-Transfer-Encoding", "binary"); + client.setHandler(handler); +} + +} // End of namespace Networking diff --git a/backends/networking/sdl_net/handlers/downloadfilehandler.h b/backends/networking/sdl_net/handlers/downloadfilehandler.h new file mode 100644 index 0000000000..5fa5e5d55a --- /dev/null +++ b/backends/networking/sdl_net/handlers/downloadfilehandler.h @@ -0,0 +1,40 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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. +* +*/ + +#ifndef BACKENDS_NETWORKING_SDL_NET_DOWNLOADFILEHANDLER_H +#define BACKENDS_NETWORKING_SDL_NET_DOWNLOADFILEHANDLER_H + +#include "backends/networking/sdl_net/handlers/filesbasehandler.h" + +namespace Networking { + +class DownloadFileHandler: public FilesBaseHandler { +public: + DownloadFileHandler(); + virtual ~DownloadFileHandler(); + + virtual void handle(Client &client); +}; + +} // End of namespace Networking + +#endif diff --git a/backends/networking/sdl_net/handlers/filesajaxpagehandler.cpp b/backends/networking/sdl_net/handlers/filesajaxpagehandler.cpp new file mode 100644 index 0000000000..8c5ee29b70 --- /dev/null +++ b/backends/networking/sdl_net/handlers/filesajaxpagehandler.cpp @@ -0,0 +1,81 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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 "backends/networking/sdl_net/handlers/filesajaxpagehandler.h" +#include "backends/networking/sdl_net/handlerutils.h" +#include "backends/networking/sdl_net/localwebserver.h" +#include "common/translation.h" + +namespace Networking { + +#define FILES_PAGE_NAME ".filesAJAX.html" + +FilesAjaxPageHandler::FilesAjaxPageHandler() {} + +FilesAjaxPageHandler::~FilesAjaxPageHandler() {} + +namespace { + +Common::String encodeDoubleQuotesAndSlashes(Common::String s) { + Common::String result = ""; + for (uint32 i = 0; i < s.size(); ++i) + if (s[i] == '"') { + result += "\\\""; + } else if (s[i] == '\\') { + result += "\\\\"; + } else { + result += s[i]; + } + return result; +} + +} + +/// public + +void FilesAjaxPageHandler::handle(Client &client) { + // load stylish response page from the archive + Common::SeekableReadStream *const stream = HandlerUtils::getArchiveFile(FILES_PAGE_NAME); + if (stream == nullptr) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("The page is not available without the resources.")); + return; + } + + Common::String response = HandlerUtils::readEverythingFromStream(stream); + Common::String path = client.queryParameter("path"); + + //these occur twice: + replace(response, "{create_directory_button}", _("Create directory")); + replace(response, "{create_directory_button}", _("Create directory")); + replace(response, "{upload_files_button}", _("Upload files")); //tab + replace(response, "{upload_file_button}", _("Upload files")); //button in the tab + replace(response, "{create_directory_desc}", _("Type new directory name:")); + replace(response, "{upload_file_desc}", _("Select a file to upload:")); + replace(response, "{or_upload_directory_desc}", _("Or select a directory (works in Chrome only):")); + replace(response, "{index_of}", _("Index of ")); + replace(response, "{loading}", _("Loading...")); + replace(response, "{error}", _("Error occurred")); + replace(response, "{start_path}", encodeDoubleQuotesAndSlashes(path)); + LocalWebserver::setClientGetHandler(client, response); +} + +} // End of namespace Networking diff --git a/backends/networking/sdl_net/handlers/filesajaxpagehandler.h b/backends/networking/sdl_net/handlers/filesajaxpagehandler.h new file mode 100644 index 0000000000..1d9b125c2e --- /dev/null +++ b/backends/networking/sdl_net/handlers/filesajaxpagehandler.h @@ -0,0 +1,40 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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. +* +*/ + +#ifndef BACKENDS_NETWORKING_SDL_NET_FILESAJAXPAGEHANDLER_H +#define BACKENDS_NETWORKING_SDL_NET_FILESAJAXPAGEHANDLER_H + +#include "backends/networking/sdl_net/handlers/filesbasehandler.h" + +namespace Networking { + +class FilesAjaxPageHandler: public FilesBaseHandler { +public: + FilesAjaxPageHandler(); + virtual ~FilesAjaxPageHandler(); + + virtual void handle(Client &client); +}; + +} // End of namespace Networking + +#endif diff --git a/backends/networking/sdl_net/handlers/filesbasehandler.cpp b/backends/networking/sdl_net/handlers/filesbasehandler.cpp new file mode 100644 index 0000000000..135e0fb100 --- /dev/null +++ b/backends/networking/sdl_net/handlers/filesbasehandler.cpp @@ -0,0 +1,87 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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 "backends/networking/sdl_net/handlers/filesbasehandler.h" +#include "backends/saves/default/default-saves.h" +#include "common/config-manager.h" +#include "common/system.h" + +namespace Networking { + +FilesBaseHandler::FilesBaseHandler() {} + +FilesBaseHandler::~FilesBaseHandler() {} + +Common::String FilesBaseHandler::parentPath(Common::String path) { + if (path.size() && (path.lastChar() == '/' || path.lastChar() == '\\')) path.deleteLastChar(); + if (!path.empty()) { + for (int i = path.size() - 1; i >= 0; --i) + if (i == 0 || path[i] == '/' || path[i] == '\\') { + path.erase(i); + break; + } + } + if (path.size() && path.lastChar() != '/' && path.lastChar() != '\\') + path += '/'; + return path; +} + +bool FilesBaseHandler::transformPath(Common::String &path, Common::String &prefixToRemove, Common::String &prefixToAdd, bool isDirectory) { + // <path> is not empty, but could lack the trailing slash + if (isDirectory && path.lastChar() != '/' && path.lastChar() != '\\') + path += '/'; + + if (path.hasPrefix("/root") && ConfMan.hasKey("rootpath", "cloud")) { + prefixToAdd = "/root/"; + prefixToRemove = ConfMan.get("rootpath", "cloud"); + if (prefixToRemove.size() && prefixToRemove.lastChar() != '/' && prefixToRemove.lastChar() != '\\') + prefixToRemove += '/'; + if (prefixToRemove == "/") prefixToRemove = ""; + path.erase(0, 5); + if (path.size() && (path[0] == '/' || path[0] == '\\')) + path.deleteChar(0); // if that was "/root/ab/c", it becomes "/ab/c", but we need "ab/c" + path = prefixToRemove + path; + if (path == "") + path = "/"; // absolute root is '/' + return true; + } + + if (path.hasPrefix("/saves")) { + prefixToAdd = "/saves/"; + + // determine savepath (prefix to remove) + DefaultSaveFileManager *manager = dynamic_cast<DefaultSaveFileManager *>(g_system->getSavefileManager()); + prefixToRemove = (manager ? manager->concatWithSavesPath("") : ConfMan.get("savepath")); + if (prefixToRemove.size() && prefixToRemove.lastChar() != '/' && prefixToRemove.lastChar() != '\\') + prefixToRemove += '/'; + + path.erase(0, 6); + if (path.size() && (path[0] == '/' || path[0] == '\\')) + path.deleteChar(0); + path = prefixToRemove + path; + return true; + } + + return false; +} + +} // End of namespace Networking diff --git a/backends/networking/sdl_net/handlers/filesbasehandler.h b/backends/networking/sdl_net/handlers/filesbasehandler.h new file mode 100644 index 0000000000..1c7f4dd799 --- /dev/null +++ b/backends/networking/sdl_net/handlers/filesbasehandler.h @@ -0,0 +1,52 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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. +* +*/ + +#ifndef BACKENDS_NETWORKING_SDL_NET_FILESBASEHANDLER_H +#define BACKENDS_NETWORKING_SDL_NET_FILESBASEHANDLER_H + +#include "backends/networking/sdl_net/handlers/basehandler.h" + +namespace Networking { + +class FilesBaseHandler: public BaseHandler { +protected: + Common::String parentPath(Common::String path); + + /** + * Transforms virtual <path> into actual file system path. + * + * Fills prefixes with actual file system prefix ("to remove") + * and virtual path prefix ("to add"). + * + * Returns true on success. + */ + bool transformPath(Common::String &path, Common::String &prefixToRemove, Common::String &prefixToAdd, bool isDirectory = true); +public: + FilesBaseHandler(); + virtual ~FilesBaseHandler(); + + virtual void handle(Client &client) = 0; +}; + +} // End of namespace Networking + +#endif diff --git a/backends/networking/sdl_net/handlers/filespagehandler.cpp b/backends/networking/sdl_net/handlers/filespagehandler.cpp new file mode 100644 index 0000000000..e117b4922c --- /dev/null +++ b/backends/networking/sdl_net/handlers/filespagehandler.cpp @@ -0,0 +1,237 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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 "backends/networking/sdl_net/handlers/filespagehandler.h" +#include "backends/networking/sdl_net/handlerutils.h" +#include "backends/networking/sdl_net/localwebserver.h" +#include "common/config-manager.h" +#include "common/translation.h" + +namespace Networking { + +#define INDEX_PAGE_NAME ".index.html" +#define FILES_PAGE_NAME ".files.html" + +FilesPageHandler::FilesPageHandler() {} + +FilesPageHandler::~FilesPageHandler() {} + +namespace { +Common::String encodeDoubleQuotes(Common::String s) { + Common::String result = ""; + for (uint32 i = 0; i < s.size(); ++i) + if (s[i] == '"') { + result += "\\\""; + } else { + result += s[i]; + } + return result; +} + +Common::String encodeHtmlEntities(Common::String s) { + Common::String result = ""; + for (uint32 i = 0; i < s.size(); ++i) + if (s[i] == '<') + result += "<"; + else if (s[i] == '>') + result += ">"; + else if (s[i] == '&') + result += "&"; + else if (s[i] > 0x7F) + result += Common::String::format("&#%d;", (int)s[i]); + else result += s[i]; + return result; +} + +Common::String getDisplayPath(Common::String s) { + Common::String result = ""; + for (uint32 i = 0; i < s.size(); ++i) + if (s[i] == '\\') + result += '/'; + else + result += s[i]; + if (result == "") + return "/"; + return result; +} +} + +bool FilesPageHandler::listDirectory(Common::String path, Common::String &content, const Common::String &itemTemplate) { + if (path == "" || path == "/") { + if (ConfMan.hasKey("rootpath", "cloud")) + addItem(content, itemTemplate, IT_DIRECTORY, "/root/", _("File system root")); + addItem(content, itemTemplate, IT_DIRECTORY, "/saves/", _("Saved games")); + return true; + } + + if (HandlerUtils::hasForbiddenCombinations(path)) + return false; + + Common::String prefixToRemove = "", prefixToAdd = ""; + if (!transformPath(path, prefixToRemove, prefixToAdd)) + return false; + + Common::FSNode node = Common::FSNode(path); + if (path == "/") + node = node.getParent(); // absolute root + + if (!HandlerUtils::permittedPath(node.getPath())) + return false; + + if (!node.isDirectory()) + return false; + + // list directory + Common::FSList _nodeContent; + if (!node.getChildren(_nodeContent, Common::FSNode::kListAll, false)) // do not show hidden files + _nodeContent.clear(); + else + Common::sort(_nodeContent.begin(), _nodeContent.end()); + + // add parent directory link + { + Common::String filePath = path; + if (filePath.hasPrefix(prefixToRemove)) + filePath.erase(0, prefixToRemove.size()); + if (filePath == "" || filePath == "/" || filePath == "\\") + filePath = "/"; + else + filePath = parentPath(prefixToAdd + filePath); + addItem(content, itemTemplate, IT_PARENT_DIRECTORY, filePath, _("Parent directory")); + } + + // fill the content + for (Common::FSList::iterator i = _nodeContent.begin(); i != _nodeContent.end(); ++i) { + Common::String name = i->getDisplayName(); + if (i->isDirectory()) + name += "/"; + + Common::String filePath = i->getPath(); + if (filePath.hasPrefix(prefixToRemove)) + filePath.erase(0, prefixToRemove.size()); + filePath = prefixToAdd + filePath; + + addItem(content, itemTemplate, detectType(i->isDirectory(), name), filePath, name); + } + + return true; +} + +FilesPageHandler::ItemType FilesPageHandler::detectType(bool isDirectory, const Common::String &name) { + if (isDirectory) + return IT_DIRECTORY; + if (name.hasSuffix(".txt")) + return IT_TXT; + if (name.hasSuffix(".zip")) + return IT_ZIP; + if (name.hasSuffix(".7z")) + return IT_7Z; + return IT_UNKNOWN; +} + +void FilesPageHandler::addItem(Common::String &content, const Common::String &itemTemplate, ItemType itemType, Common::String path, Common::String name, Common::String size) const { + Common::String item = itemTemplate, icon; + bool isDirectory = (itemType == IT_DIRECTORY || itemType == IT_PARENT_DIRECTORY); + switch (itemType) { + case IT_DIRECTORY: + icon = "dir.png"; + break; + case IT_PARENT_DIRECTORY: + icon = "up.png"; + break; + case IT_TXT: + icon = "txt.png"; + break; + case IT_ZIP: + icon = "zip.png"; + break; + case IT_7Z: + icon = "7z.png"; + break; + default: + icon = "unk.png"; + } + replace(item, "{icon}", icon); + replace(item, "{link}", (isDirectory ? "files?path=" : "download?path=") + LocalWebserver::urlEncodeQueryParameterValue(path)); + replace(item, "{name}", encodeHtmlEntities(name)); + replace(item, "{size}", size); + content += item; +} + +/// public + +void FilesPageHandler::handle(Client &client) { + Common::String response = + "<html>" \ + "<head><title>ScummVM</title></head>" \ + "<body>" \ + "<p>{create_directory_desc}</p>" \ + "<form action=\"create\">" \ + "<input type=\"hidden\" name=\"path\" value=\"{path}\"/>" \ + "<input type=\"text\" name=\"directory_name\" value=\"\"/>" \ + "<input type=\"submit\" value=\"{create_directory_button}\"/>" \ + "</form>" \ + "<hr/>" \ + "<p>{upload_file_desc}</p>" \ + "<form action=\"upload?path={path}\" method=\"post\" enctype=\"multipart/form-data\">" \ + "<input type=\"file\" name=\"upload_file-f\" allowdirs multiple/>" \ + "<span>{or_upload_directory_desc}</span>" \ + "<input type=\"file\" name=\"upload_file-d\" directory webkitdirectory multiple/>" \ + "<input type=\"submit\" value=\"{upload_file_button}\"/>" \ + "</form>" + "<hr/>" \ + "<h1>{index_of_directory}</h1>" \ + "<table>{content}</table>" \ + "</body>" \ + "</html>"; + Common::String itemTemplate = "<tr><td><img src=\"icons/{icon}\"/></td><td><a href=\"{link}\">{name}</a></td><td>{size}</td></tr>\n"; //TODO: load this template too? + + // load stylish response page from the archive + Common::SeekableReadStream *const stream = HandlerUtils::getArchiveFile(FILES_PAGE_NAME); + if (stream) + response = HandlerUtils::readEverythingFromStream(stream); + + Common::String path = client.queryParameter("path"); + Common::String content = ""; + + // show an error message if failed to list directory + if (!listDirectory(path, content, itemTemplate)) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("ScummVM couldn't list the directory you specified.")); + return; + } + + //these occur twice: + replace(response, "{create_directory_button}", _("Create directory")); + replace(response, "{create_directory_button}", _("Create directory")); + replace(response, "{path}", encodeDoubleQuotes(client.queryParameter("path"))); + replace(response, "{path}", encodeDoubleQuotes(client.queryParameter("path"))); + replace(response, "{upload_files_button}", _("Upload files")); //tab + replace(response, "{upload_file_button}", _("Upload files")); //button in the tab + replace(response, "{create_directory_desc}", _("Type new directory name:")); + replace(response, "{upload_file_desc}", _("Select a file to upload:")); + replace(response, "{or_upload_directory_desc}", _("Or select a directory (works in Chrome only):")); + replace(response, "{index_of_directory}", Common::String::format(_("Index of %s"), encodeHtmlEntities(getDisplayPath(client.queryParameter("path"))).c_str())); + replace(response, "{content}", content); + LocalWebserver::setClientGetHandler(client, response); +} + +} // End of namespace Networking diff --git a/backends/networking/sdl_net/handlers/filespagehandler.h b/backends/networking/sdl_net/handlers/filespagehandler.h new file mode 100644 index 0000000000..e404036cb6 --- /dev/null +++ b/backends/networking/sdl_net/handlers/filespagehandler.h @@ -0,0 +1,62 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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. +* +*/ + +#ifndef BACKENDS_NETWORKING_SDL_NET_FILESPAGEHANDLER_H +#define BACKENDS_NETWORKING_SDL_NET_FILESPAGEHANDLER_H + +#include "backends/networking/sdl_net/handlers/filesbasehandler.h" + +namespace Networking { + +class FilesPageHandler: public FilesBaseHandler { + enum ItemType { + IT_DIRECTORY, + IT_PARENT_DIRECTORY, + IT_TXT, + IT_ZIP, + IT_7Z, + IT_UNKNOWN + }; + + /** + * Lists the directory <path>. + * + * Returns true on success. + */ + bool listDirectory(Common::String path, Common::String &content, const Common::String &itemTemplate); + + /** Helper method for detecting items' type. */ + static ItemType detectType(bool isDirectory, const Common::String &name); + + /** Helper method for adding items into the files list. */ + void addItem(Common::String &content, const Common::String &itemTemplate, ItemType itemType, Common::String path, Common::String name, Common::String size = "") const; + +public: + FilesPageHandler(); + virtual ~FilesPageHandler(); + + virtual void handle(Client &client); +}; + +} // End of namespace Networking + +#endif diff --git a/backends/networking/sdl_net/handlers/indexpagehandler.cpp b/backends/networking/sdl_net/handlers/indexpagehandler.cpp new file mode 100644 index 0000000000..985bd6635e --- /dev/null +++ b/backends/networking/sdl_net/handlers/indexpagehandler.cpp @@ -0,0 +1,65 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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 "backends/networking/sdl_net/handlers/indexpagehandler.h" +#include "backends/networking/sdl_net/handlerutils.h" +#include "backends/networking/sdl_net/localwebserver.h" +#include "common/translation.h" +#include "gui/storagewizarddialog.h" + +namespace Networking { + +IndexPageHandler::IndexPageHandler(): CommandSender(nullptr) {} + +IndexPageHandler::~IndexPageHandler() {} + +/// public + +Common::String IndexPageHandler::code() const { return _code; } + +void IndexPageHandler::handle(Client &client) { + Common::String code = client.queryParameter("code"); + + if (code == "") { + // redirect to "/filesAJAX" + HandlerUtils::setMessageHandler( + client, + Common::String::format( + "%s<br/><a href=\"files\">%s</a>", + _("This is a local webserver index page."), + _("Open Files manager") + ), + "/filesAJAX" + ); + return; + } + + _code = code; + sendCommand(GUI::kStorageCodePassedCmd, 0); + HandlerUtils::setMessageHandler(client, _("ScummVM got the code and already connects to your cloud storage!")); +} + +bool IndexPageHandler::minimalModeSupported() { + return true; +} + +} // End of namespace Networking diff --git a/backends/networking/sdl_net/handlers/indexpagehandler.h b/backends/networking/sdl_net/handlers/indexpagehandler.h new file mode 100644 index 0000000000..8065954b27 --- /dev/null +++ b/backends/networking/sdl_net/handlers/indexpagehandler.h @@ -0,0 +1,45 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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. +* +*/ + +#ifndef BACKENDS_NETWORKING_SDL_NET_INDEXPAGEHANDLER_H +#define BACKENDS_NETWORKING_SDL_NET_INDEXPAGEHANDLER_H + +#include "backends/networking/sdl_net/handlers/basehandler.h" +#include "gui/object.h" + +namespace Networking { +class LocalWebserver; + +class IndexPageHandler: public BaseHandler, public GUI::CommandSender { + Common::String _code; +public: + IndexPageHandler(); + virtual ~IndexPageHandler(); + + Common::String code() const; + virtual void handle(Client &client); + virtual bool minimalModeSupported(); +}; + +} // End of namespace Networking + +#endif diff --git a/backends/networking/sdl_net/handlers/listajaxhandler.cpp b/backends/networking/sdl_net/handlers/listajaxhandler.cpp new file mode 100644 index 0000000000..f94b674a3c --- /dev/null +++ b/backends/networking/sdl_net/handlers/listajaxhandler.cpp @@ -0,0 +1,157 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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 "backends/networking/sdl_net/handlers/listajaxhandler.h" +#include "backends/networking/sdl_net/handlerutils.h" +#include "backends/networking/sdl_net/localwebserver.h" +#include "common/config-manager.h" +#include "common/json.h" +#include "common/translation.h" + +namespace Networking { + +ListAjaxHandler::ListAjaxHandler() {} + +ListAjaxHandler::~ListAjaxHandler() {} + +Common::JSONObject ListAjaxHandler::listDirectory(Common::String path) { + Common::JSONArray itemsList; + Common::JSONObject errorResult; + Common::JSONObject successResult; + successResult.setVal("type", new Common::JSONValue("success")); + errorResult.setVal("type", new Common::JSONValue("error")); + + if (path == "" || path == "/") { + if (ConfMan.hasKey("rootpath", "cloud")) + addItem(itemsList, IT_DIRECTORY, "/root/", _("File system root")); + addItem(itemsList, IT_DIRECTORY, "/saves/", _("Saved games")); + successResult.setVal("items", new Common::JSONValue(itemsList)); + return successResult; + } + + if (HandlerUtils::hasForbiddenCombinations(path)) + return errorResult; + + Common::String prefixToRemove = "", prefixToAdd = ""; + if (!transformPath(path, prefixToRemove, prefixToAdd)) + return errorResult; + + Common::FSNode node = Common::FSNode(path); + if (path == "/") + node = node.getParent(); // absolute root + + if (!HandlerUtils::permittedPath(node.getPath())) + return errorResult; + + if (!node.isDirectory()) + return errorResult; + + // list directory + Common::FSList _nodeContent; + if (!node.getChildren(_nodeContent, Common::FSNode::kListAll, false)) // do not show hidden files + _nodeContent.clear(); + else + Common::sort(_nodeContent.begin(), _nodeContent.end()); + + // add parent directory link + { + Common::String filePath = path; + if (filePath.hasPrefix(prefixToRemove)) + filePath.erase(0, prefixToRemove.size()); + if (filePath == "" || filePath == "/" || filePath == "\\") + filePath = "/"; + else + filePath = parentPath(prefixToAdd + filePath); + addItem(itemsList, IT_PARENT_DIRECTORY, filePath, _("Parent directory")); + } + + // fill the content + for (Common::FSList::iterator i = _nodeContent.begin(); i != _nodeContent.end(); ++i) { + Common::String name = i->getDisplayName(); + if (i->isDirectory()) name += "/"; + + Common::String filePath = i->getPath(); + if (filePath.hasPrefix(prefixToRemove)) + filePath.erase(0, prefixToRemove.size()); + filePath = prefixToAdd + filePath; + + addItem(itemsList, detectType(i->isDirectory(), name), filePath, name); + } + + successResult.setVal("items", new Common::JSONValue(itemsList)); + return successResult; +} + +ListAjaxHandler::ItemType ListAjaxHandler::detectType(bool isDirectory, const Common::String &name) { + if (isDirectory) + return IT_DIRECTORY; + if (name.hasSuffix(".txt")) + return IT_TXT; + if (name.hasSuffix(".zip")) + return IT_ZIP; + if (name.hasSuffix(".7z")) + return IT_7Z; + return IT_UNKNOWN; +} + +void ListAjaxHandler::addItem(Common::JSONArray &responseItemsList, ItemType itemType, Common::String path, Common::String name, Common::String size) { + Common::String icon; + bool isDirectory = (itemType == IT_DIRECTORY || itemType == IT_PARENT_DIRECTORY); + switch (itemType) { + case IT_DIRECTORY: + icon = "dir.png"; + break; + case IT_PARENT_DIRECTORY: + icon = "up.png"; + break; + case IT_TXT: + icon = "txt.png"; + break; + case IT_ZIP: + icon = "zip.png"; + break; + case IT_7Z: + icon = "7z.png"; + break; + default: + icon = "unk.png"; + } + + Common::JSONObject item; + item.setVal("name", new Common::JSONValue(name)); + item.setVal("path", new Common::JSONValue(path)); + item.setVal("isDirectory", new Common::JSONValue(isDirectory)); + item.setVal("size", new Common::JSONValue(size)); + item.setVal("icon", new Common::JSONValue(icon)); + responseItemsList.push_back(new Common::JSONValue(item)); +} + +/// public + +void ListAjaxHandler::handle(Client &client) { + Common::String path = client.queryParameter("path"); + Common::JSONValue jsonResponse = listDirectory(path); + Common::String response = jsonResponse.stringify(true); + LocalWebserver::setClientGetHandler(client, response); +} + +} // End of namespace Networking diff --git a/backends/networking/sdl_net/handlers/listajaxhandler.h b/backends/networking/sdl_net/handlers/listajaxhandler.h new file mode 100644 index 0000000000..40840ad6c3 --- /dev/null +++ b/backends/networking/sdl_net/handlers/listajaxhandler.h @@ -0,0 +1,63 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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. +* +*/ + +#ifndef BACKENDS_NETWORKING_SDL_NET_LISTAJAXHANDLER_H +#define BACKENDS_NETWORKING_SDL_NET_LISTAJAXHANDLER_H + +#include "backends/networking/sdl_net/handlers/filesbasehandler.h" +#include "common/json.h" + +namespace Networking { + +class ListAjaxHandler: public FilesBaseHandler { + enum ItemType { + IT_DIRECTORY, + IT_PARENT_DIRECTORY, + IT_TXT, + IT_ZIP, + IT_7Z, + IT_UNKNOWN + }; + + /** + * Lists the directory <path>. + * + * Returns JSON with either listed directory or error response. + */ + Common::JSONObject listDirectory(Common::String path); + + /** Helper method for detecting items' type. */ + static ItemType detectType(bool isDirectory, const Common::String &name); + + /** Helper method for adding items into the files list. */ + static void addItem(Common::JSONArray &responseItemsList, ItemType itemType, Common::String path, Common::String name, Common::String size = ""); + +public: + ListAjaxHandler(); + virtual ~ListAjaxHandler(); + + virtual void handle(Client &client); +}; + +} // End of namespace Networking + +#endif diff --git a/backends/networking/sdl_net/handlers/resourcehandler.cpp b/backends/networking/sdl_net/handlers/resourcehandler.cpp new file mode 100644 index 0000000000..631eb63351 --- /dev/null +++ b/backends/networking/sdl_net/handlers/resourcehandler.cpp @@ -0,0 +1,75 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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 "backends/networking/sdl_net/handlers/resourcehandler.h" +#include "backends/networking/sdl_net/handlerutils.h" +#include "backends/networking/sdl_net/localwebserver.h" + +namespace Networking { + +ResourceHandler::ResourceHandler() {} + +ResourceHandler::~ResourceHandler() {} + +const char *ResourceHandler::determineMimeType(Common::String &filename) { + // text + if (filename.hasSuffix(".html")) return "text/html"; + if (filename.hasSuffix(".css")) return "text/css"; + if (filename.hasSuffix(".txt")) return "text/plain"; + if (filename.hasSuffix(".js")) return "application/javascript"; + + // images + if (filename.hasSuffix(".jpeg") || filename.hasSuffix(".jpg") || filename.hasSuffix(".jpe")) return "image/jpeg"; + if (filename.hasSuffix(".gif")) return "image/gif"; + if (filename.hasSuffix(".png")) return "image/png"; + if (filename.hasSuffix(".svg")) return "image/svg+xml"; + if (filename.hasSuffix(".tiff")) return "image/tiff"; + if (filename.hasSuffix(".ico")) return "image/vnd.microsoft.icon"; + if (filename.hasSuffix(".wbmp")) return "image/vnd.wap.wbmp"; + + if (filename.hasSuffix(".zip")) return "application/zip"; + return "application/octet-stream"; +} + +/// public + +void ResourceHandler::handle(Client &client) { + Common::String filename = client.path(); + filename.deleteChar(0); + + // if archive hidden file is requested, ignore + if (filename.size() && filename[0] == '.') + return; + + // if file not found, don't set handler either + Common::SeekableReadStream *file = HandlerUtils::getArchiveFile(filename); + if (file == nullptr) + return; + + LocalWebserver::setClientGetHandler(client, file, 200, determineMimeType(filename)); +} + +bool ResourceHandler::minimalModeSupported() { + return true; +} + +} // End of namespace Networking diff --git a/backends/networking/sdl_net/handlers/resourcehandler.h b/backends/networking/sdl_net/handlers/resourcehandler.h new file mode 100644 index 0000000000..2ec4c5bb19 --- /dev/null +++ b/backends/networking/sdl_net/handlers/resourcehandler.h @@ -0,0 +1,42 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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. +* +*/ + +#ifndef BACKENDS_NETWORKING_SDL_NET_RESOURCEHANDLER_H +#define BACKENDS_NETWORKING_SDL_NET_RESOURCEHANDLER_H + +#include "backends/networking/sdl_net/handlers/basehandler.h" + +namespace Networking { + +class ResourceHandler: public BaseHandler { + static const char *determineMimeType(Common::String &filename); +public: + ResourceHandler(); + virtual ~ResourceHandler(); + + virtual void handle(Client &client); + virtual bool minimalModeSupported(); +}; + +} // End of namespace Networking + +#endif diff --git a/backends/networking/sdl_net/handlers/uploadfilehandler.cpp b/backends/networking/sdl_net/handlers/uploadfilehandler.cpp new file mode 100644 index 0000000000..a0e992c25e --- /dev/null +++ b/backends/networking/sdl_net/handlers/uploadfilehandler.cpp @@ -0,0 +1,79 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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 "backends/networking/sdl_net/handlers/uploadfilehandler.h" +#include "backends/networking/sdl_net/handlerutils.h" +#include "backends/networking/sdl_net/uploadfileclienthandler.h" +#include "backends/fs/fs-factory.h" +#include "common/system.h" +#include "common/translation.h" + +namespace Networking { + +UploadFileHandler::UploadFileHandler() {} + +UploadFileHandler::~UploadFileHandler() {} + +/// public + +void UploadFileHandler::handle(Client &client) { + Common::String path = client.queryParameter("path"); + + // check that <path> is not an absolute root + if (path == "" || path == "/" || path == "\\") { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("Invalid path!")); + return; + } + + // check that <path> contains no '../' + if (HandlerUtils::hasForbiddenCombinations(path)) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("Invalid path!")); + return; + } + + // transform virtual path to actual file system one + Common::String prefixToRemove = "", prefixToAdd = ""; + if (!transformPath(path, prefixToRemove, prefixToAdd, false) || path.empty()) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("Invalid path!")); + return; + } + + // check that <path> exists, is directory and isn't forbidden + AbstractFSNode *node = g_system->getFilesystemFactory()->makeFileNodePath(path); + if (!HandlerUtils::permittedPath(node->getPath())) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("Invalid path!")); + return; + } + if (!node->exists()) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("The parent directory doesn't exist!")); + return; + } + if (!node->isDirectory()) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, _("Can't upload into a file!")); + return; + } + + // if all OK, set special handler + client.setHandler(new UploadFileClientHandler(path)); +} + +} // End of namespace Networking diff --git a/backends/networking/sdl_net/handlers/uploadfilehandler.h b/backends/networking/sdl_net/handlers/uploadfilehandler.h new file mode 100644 index 0000000000..cbff215156 --- /dev/null +++ b/backends/networking/sdl_net/handlers/uploadfilehandler.h @@ -0,0 +1,40 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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. +* +*/ + +#ifndef BACKENDS_NETWORKING_SDL_NET_UPLOADFILEHANDLER_H +#define BACKENDS_NETWORKING_SDL_NET_UPLOADFILEHANDLER_H + +#include "backends/networking/sdl_net/handlers/filesbasehandler.h" + +namespace Networking { + +class UploadFileHandler: public FilesBaseHandler { +public: + UploadFileHandler(); + virtual ~UploadFileHandler(); + + virtual void handle(Client &client); +}; + +} // End of namespace Networking + +#endif diff --git a/backends/networking/sdl_net/handlerutils.cpp b/backends/networking/sdl_net/handlerutils.cpp new file mode 100644 index 0000000000..dc21ab5ce1 --- /dev/null +++ b/backends/networking/sdl_net/handlerutils.cpp @@ -0,0 +1,200 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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 "backends/networking/sdl_net/handlerutils.h" +#include "backends/networking/sdl_net/localwebserver.h" +#include "backends/saves/default/default-saves.h" +#include "common/archive.h" +#include "common/config-manager.h" +#include "common/file.h" +#include "common/translation.h" +#include "common/unzip.h" + +namespace Networking { + +#define ARCHIVE_NAME "wwwroot.zip" + +#define INDEX_PAGE_NAME ".index.html" + +Common::Archive *HandlerUtils::getZipArchive() { + // first search in themepath + if (ConfMan.hasKey("themepath")) { + const Common::FSNode &node = Common::FSNode(ConfMan.get("themepath")); + if (!node.exists() || !node.isReadable() || !node.isDirectory()) + return nullptr; + + Common::FSNode fileNode = node.getChild(ARCHIVE_NAME); + if (fileNode.exists() && fileNode.isReadable() && !fileNode.isDirectory()) { + Common::SeekableReadStream *const stream = fileNode.createReadStream(); + Common::Archive *zipArchive = Common::makeZipArchive(stream); + if (zipArchive) + return zipArchive; + } + } + + // then use SearchMan to find it + Common::ArchiveMemberList fileList; + SearchMan.listMatchingMembers(fileList, ARCHIVE_NAME); + for (Common::ArchiveMemberList::iterator it = fileList.begin(); it != fileList.end(); ++it) { + Common::ArchiveMember const &m = **it; + Common::SeekableReadStream *const stream = m.createReadStream(); + Common::Archive *zipArchive = Common::makeZipArchive(stream); + if (zipArchive) + return zipArchive; + } + + return nullptr; +} + +Common::ArchiveMemberList HandlerUtils::listArchive() { + Common::ArchiveMemberList resultList; + Common::Archive *zipArchive = getZipArchive(); + if (zipArchive) { + zipArchive->listMembers(resultList); + delete zipArchive; + } + return resultList; +} + +Common::SeekableReadStream *HandlerUtils::getArchiveFile(Common::String name) { + Common::SeekableReadStream *result = nullptr; + Common::Archive *zipArchive = getZipArchive(); + if (zipArchive) { + const Common::ArchiveMemberPtr ptr = zipArchive->getMember(name); + if (ptr.get() == nullptr) + return nullptr; + result = ptr->createReadStream(); + delete zipArchive; + } + return result; +} + +Common::String HandlerUtils::readEverythingFromStream(Common::SeekableReadStream *const stream) { + Common::String result; + char buf[1024]; + uint32 readBytes; + while (!stream->eos()) { + readBytes = stream->read(buf, 1024); + result += Common::String(buf, readBytes); + } + return result; +} + +Common::String HandlerUtils::normalizePath(const Common::String &path) { + Common::String normalized; + bool slash = false; + for (uint32 i = 0; i < path.size(); ++i) { + char c = path[i]; + if (c == '\\' || c == '/') { + slash = true; + continue; + } + + if (slash) { + normalized += '/'; + slash = false; + } + + if ('A' <= c && c <= 'Z') { + normalized += c - 'A' + 'a'; + } else { + normalized += c; + } + } + if (slash) normalized += '/'; + return normalized; +} + +bool HandlerUtils::hasForbiddenCombinations(const Common::String &path) { + return (path.contains("/../") || path.contains("\\..\\") || path.contains("\\../") || path.contains("/..\\")); +} + +bool HandlerUtils::isBlacklisted(const Common::String &path) { + const char *blacklist[] = { + "/etc", + "/bin", + "c:/windows" // just saying: I know guys who install windows on another drives + }; + + // normalize path + Common::String normalized = normalizePath(path); + + uint32 size = sizeof(blacklist) / sizeof(const char *); + for (uint32 i = 0; i < size; ++i) + if (normalized.hasPrefix(blacklist[i])) + return true; + + return false; +} + +bool HandlerUtils::hasPermittedPrefix(const Common::String &path) { + // normalize path + Common::String normalized = normalizePath(path); + + // prefix for /root/ + Common::String prefix; + if (ConfMan.hasKey("rootpath", "cloud")) { + prefix = normalizePath(ConfMan.get("rootpath", "cloud")); + if (prefix == "/" || normalized.hasPrefix(prefix)) + return true; + } + + // prefix for /saves/ + DefaultSaveFileManager *manager = dynamic_cast<DefaultSaveFileManager *>(g_system->getSavefileManager()); + prefix = (manager ? manager->concatWithSavesPath("") : ConfMan.get("savepath")); + return (normalized.hasPrefix(normalizePath(prefix))); +} + +bool HandlerUtils::permittedPath(const Common::String path) { + return hasPermittedPrefix(path) && !isBlacklisted(path); +} + +void HandlerUtils::setMessageHandler(Client &client, Common::String message, Common::String redirectTo) { + Common::String response = "<html><head><title>ScummVM</title></head><body>{message}</body></html>"; + + // load stylish response page from the archive + Common::SeekableReadStream *const stream = getArchiveFile(INDEX_PAGE_NAME); + if (stream) + response = readEverythingFromStream(stream); + + replace(response, "{message}", message); + if (redirectTo.empty()) + LocalWebserver::setClientGetHandler(client, response); + else + LocalWebserver::setClientRedirectHandler(client, response, redirectTo); +} + +void HandlerUtils::setFilesManagerErrorMessageHandler(Client &client, Common::String message, Common::String redirectTo) { + setMessageHandler( + client, + Common::String::format( + "%s<br/><a href=\"files%s?path=%s\">%s</a>", + message.c_str(), + client.queryParameter("ajax") == "true" ? "AJAX" : "", + "%2F", //that's encoded "/" + _("Back to the files manager") + ), + redirectTo + ); +} + +} // End of namespace Networking diff --git a/backends/networking/sdl_net/handlerutils.h b/backends/networking/sdl_net/handlerutils.h new file mode 100644 index 0000000000..4c2eff49b6 --- /dev/null +++ b/backends/networking/sdl_net/handlerutils.h @@ -0,0 +1,50 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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. +* +*/ + +#ifndef BACKENDS_NETWORKING_SDL_NET_HANDLERUTILS_H +#define BACKENDS_NETWORKING_SDL_NET_HANDLERUTILS_H + +#include "backends/networking/sdl_net/client.h" +#include "common/archive.h" + +namespace Networking { + +class HandlerUtils { +public: + static Common::Archive *getZipArchive(); + static Common::ArchiveMemberList listArchive(); + static Common::SeekableReadStream *getArchiveFile(Common::String name); + static Common::String readEverythingFromStream(Common::SeekableReadStream *const stream); + + static Common::String normalizePath(const Common::String &path); + static bool hasForbiddenCombinations(const Common::String &path); + static bool isBlacklisted(const Common::String &path); + static bool hasPermittedPrefix(const Common::String &path); + static bool permittedPath(const Common::String path); + + static void setMessageHandler(Client &client, Common::String message, Common::String redirectTo = ""); + static void setFilesManagerErrorMessageHandler(Client &client, Common::String message, Common::String redirectTo = ""); +}; + +} // End of namespace Networking + +#endif diff --git a/backends/networking/sdl_net/localwebserver.cpp b/backends/networking/sdl_net/localwebserver.cpp new file mode 100644 index 0000000000..6557c7a88d --- /dev/null +++ b/backends/networking/sdl_net/localwebserver.cpp @@ -0,0 +1,446 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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. +* +*/ + +#define FORBIDDEN_SYMBOL_ALLOW_ALL + +#include "backends/networking/sdl_net/localwebserver.h" +#include "backends/networking/sdl_net/getclienthandler.h" +#include "common/memstream.h" +#include "common/str.h" +#include "common/system.h" +#include "common/timer.h" +#include "common/translation.h" +#include <SDL/SDL_net.h> +#include <common/config-manager.h> + +#ifdef POSIX +#include <sys/types.h> +#include <ifaddrs.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#endif + +namespace Common { +class MemoryReadWriteStream; + +DECLARE_SINGLETON(Networking::LocalWebserver); + +} + +namespace Networking { + +LocalWebserver::LocalWebserver(): _set(nullptr), _serverSocket(nullptr), _timerStarted(false), + _stopOnIdle(false), _minimalMode(false), _clients(0), _idlingFrames(0), _serverPort(DEFAULT_SERVER_PORT) { + addPathHandler("/", &_indexPageHandler); + addPathHandler("/files", &_filesPageHandler); + addPathHandler("/create", &_createDirectoryHandler); + addPathHandler("/download", &_downloadFileHandler); + addPathHandler("/upload", &_uploadFileHandler); + addPathHandler("/list", &_listAjaxHandler); + addPathHandler("/filesAJAX", &_filesAjaxPageHandler); + _defaultHandler = &_resourceHandler; +} + +LocalWebserver::~LocalWebserver() { + stop(); +} + +void localWebserverTimer(void *ignored) { + LocalServer.handle(); +} + +void LocalWebserver::startTimer(int interval) { + Common::TimerManager *manager = g_system->getTimerManager(); + if (manager->installTimerProc(localWebserverTimer, interval, 0, "Networking::LocalWebserver's Timer")) { + _timerStarted = true; + } else { + warning("Failed to install Networking::LocalWebserver's timer"); + } +} + +void LocalWebserver::stopTimer() { + Common::TimerManager *manager = g_system->getTimerManager(); + manager->removeTimerProc(localWebserverTimer); + _timerStarted = false; +} + +void LocalWebserver::start(bool useMinimalMode) { + _handleMutex.lock(); + _serverPort = getPort(); + _stopOnIdle = false; + if (_timerStarted) { + _handleMutex.unlock(); + return; + } + _minimalMode = useMinimalMode; + startTimer(); + + // Create a listening TCP socket + IPaddress ip; + if (SDLNet_ResolveHost(&ip, NULL, _serverPort) == -1) { + error("LocalWebserver: SDLNet_ResolveHost: %s\n", SDLNet_GetError()); + } + + resolveAddress(&ip); + + _serverSocket = SDLNet_TCP_Open(&ip); + if (!_serverSocket) { + warning("LocalWebserver: SDLNet_TCP_Open: %s", SDLNet_GetError()); + stopTimer(); + g_system->displayMessageOnOSD(_("Failed to start local webserver.\nCheck whether selected port is not used by another application and try again.")); + _handleMutex.unlock(); + return; + } + + // Create a socket set + _set = SDLNet_AllocSocketSet(MAX_CONNECTIONS + 1); //one more for our server socket + if (!_set) { + error("LocalWebserver: SDLNet_AllocSocketSet: %s\n", SDLNet_GetError()); + } + + int numused = SDLNet_TCP_AddSocket(_set, _serverSocket); + if (numused == -1) { + error("LocalWebserver: SDLNet_AddSocket: %s\n", SDLNet_GetError()); + } + _handleMutex.unlock(); +} + +void LocalWebserver::stop() { + _handleMutex.lock(); + if (_timerStarted) + stopTimer(); + + if (_serverSocket) { + SDLNet_TCP_Close(_serverSocket); + _serverSocket = nullptr; + } + + for (uint32 i = 0; i < MAX_CONNECTIONS; ++i) + _client[i].close(); + + _clients = 0; + + if (_set) { + SDLNet_FreeSocketSet(_set); + _set = nullptr; + } + _handleMutex.unlock(); +} + +void LocalWebserver::stopOnIdle() { _stopOnIdle = true; } + +void LocalWebserver::addPathHandler(Common::String path, BaseHandler *handler) { + if (_pathHandlers.contains(path)) + warning("LocalWebserver::addPathHandler: path already had a handler"); + _pathHandlers[path] = handler; +} + +Common::String LocalWebserver::getAddress() { return _address; } + +IndexPageHandler &LocalWebserver::indexPageHandler() { return _indexPageHandler; } + +bool LocalWebserver::isRunning() { + bool result = false; + _handleMutex.lock(); + result = _timerStarted; + _handleMutex.unlock(); + return result; +} + +uint32 LocalWebserver::getPort() { +#ifdef NETWORKING_LOCALWEBSERVER_ENABLE_PORT_OVERRIDE + if (ConfMan.hasKey("local_server_port")) + return ConfMan.getInt("local_server_port"); +#endif + return DEFAULT_SERVER_PORT; +} + +void LocalWebserver::handle() { + _handleMutex.lock(); + int numready = SDLNet_CheckSockets(_set, 0); + if (numready == -1) { + error("LocalWebserver: SDLNet_CheckSockets: %s\n", SDLNet_GetError()); + } else if (numready) { + acceptClient(); + } + + for (uint32 i = 0; i < MAX_CONNECTIONS; ++i) + handleClient(i); + + _clients = 0; + for (uint32 i = 0; i < MAX_CONNECTIONS; ++i) + if (_client[i].state() != INVALID) + ++_clients; + + if (_clients == 0) + ++_idlingFrames; + else + _idlingFrames = 0; + + if (_idlingFrames > FRAMES_PER_SECOND && _stopOnIdle) { + _handleMutex.unlock(); + stop(); + return; + } + + _handleMutex.unlock(); +} + +void LocalWebserver::handleClient(uint32 i) { + switch (_client[i].state()) { + case INVALID: + return; + case READING_HEADERS: + _client[i].readHeaders(); + break; + case READ_HEADERS: { + // decide what to do next with that client + // check whether we know a handler for such URL + BaseHandler *handler = nullptr; + if (_pathHandlers.contains(_client[i].path())) { + handler = _pathHandlers[_client[i].path()]; + } else { + // try default handler + handler = _defaultHandler; + } + + // if server's in "minimal mode", only handlers which support it are used + if (handler && (!_minimalMode || handler->minimalModeSupported())) + handler->handle(_client[i]); + + if (_client[i].state() == BEING_HANDLED || _client[i].state() == INVALID) + break; + + // if no handler, answer with default BAD REQUEST + // fallthrough + } + + case BAD_REQUEST: + setClientGetHandler(_client[i], "<html><head><title>ScummVM - Bad Request</title></head><body>BAD REQUEST</body></html>", 400); + break; + case BEING_HANDLED: + _client[i].handle(); + break; + } +} + +void LocalWebserver::acceptClient() { + if (!SDLNet_SocketReady(_serverSocket)) + return; + + TCPsocket client = SDLNet_TCP_Accept(_serverSocket); + if (!client) + return; + + if (_clients == MAX_CONNECTIONS) { //drop the connection + SDLNet_TCP_Close(client); + return; + } + + ++_clients; + for (uint32 i = 0; i < MAX_CONNECTIONS; ++i) + if (_client[i].state() == INVALID) { + _client[i].open(_set, client); + break; + } +} + +void LocalWebserver::resolveAddress(void *ipAddress) { + IPaddress *ip = (IPaddress *)ipAddress; + + // not resolved + _address = Common::String::format("http://127.0.0.1:%u/ (unresolved)", _serverPort); + + // default way (might work everywhere, surely works on Windows) + const char *name = SDLNet_ResolveIP(ip); + if (name == NULL) { + warning("LocalWebserver: SDLNet_ResolveHost: %s\n", SDLNet_GetError()); + } else { + IPaddress localIp; + if (SDLNet_ResolveHost(&localIp, name, _serverPort) == -1) { + warning("LocalWebserver: SDLNet_ResolveHost: %s\n", SDLNet_GetError()); + } else { + _address = Common::String::format( + "http://%u.%u.%u.%u:%u/", + localIp.host & 0xFF, (localIp.host >> 8) & 0xFF, (localIp.host >> 16) & 0xFF, (localIp.host >> 24) & 0xFF, + _serverPort + ); + } + } + + // check that our trick worked + if (_address.contains("/127.0.0.1:") || _address.contains("localhost") || _address.contains("/0.0.0.0:")) + warning("LocalWebserver: Failed to resolve IP with the default way"); + else + return; + + // if not - try platform-specific +#ifdef POSIX + struct ifaddrs *ifAddrStruct = NULL; + void *tmpAddrPtr = NULL; + + getifaddrs(&ifAddrStruct); + + for (struct ifaddrs *i = ifAddrStruct; i != NULL; i = i->ifa_next) { + if (!i->ifa_addr) { + continue; + } + + Common::String addr; + + // IPv4 + if (i->ifa_addr->sa_family == AF_INET) { + tmpAddrPtr = &((struct sockaddr_in *)i->ifa_addr)->sin_addr; + char addressBuffer[INET_ADDRSTRLEN]; + inet_ntop(AF_INET, tmpAddrPtr, addressBuffer, INET_ADDRSTRLEN); + debug(9, "%s IP Address %s", i->ifa_name, addressBuffer); + addr = addressBuffer; + } + + // IPv6 + /* + if (i->ifa_addr->sa_family == AF_INET6) { + tmpAddrPtr = &((struct sockaddr_in6 *)i->ifa_addr)->sin6_addr; + char addressBuffer[INET6_ADDRSTRLEN]; + inet_ntop(AF_INET6, tmpAddrPtr, addressBuffer, INET6_ADDRSTRLEN); + debug(9, "%s IP Address %s", i->ifa_name, addressBuffer); + addr = addressBuffer; + } + */ + + if (addr.empty()) + continue; + + // ignored IPv4 addresses + if (addr.equals("127.0.0.1") || addr.equals("0.0.0.0") || addr.equals("localhost")) + continue; + + // ignored IPv6 addresses + /* + if (addr.equals("::1")) + continue; + */ + + // use the address found + _address = "http://" + addr + Common::String::format(":%u/", _serverPort); + } + + if (ifAddrStruct != NULL) freeifaddrs(ifAddrStruct); +#endif +} + +void LocalWebserver::setClientGetHandler(Client &client, Common::String response, long code, const char *mimeType) { + byte *data = new byte[response.size()]; + memcpy(data, response.c_str(), response.size()); + Common::MemoryReadStream *stream = new Common::MemoryReadStream(data, response.size(), DisposeAfterUse::YES); + setClientGetHandler(client, stream, code, mimeType); +} + +void LocalWebserver::setClientGetHandler(Client &client, Common::SeekableReadStream *responseStream, long code, const char *mimeType) { + GetClientHandler *handler = new GetClientHandler(responseStream); + handler->setResponseCode(code); + if (mimeType) + handler->setHeader("Content-Type", mimeType); + client.setHandler(handler); +} + +void LocalWebserver::setClientRedirectHandler(Client &client, Common::String response, Common::String location, const char *mimeType) { + byte *data = new byte[response.size()]; + memcpy(data, response.c_str(), response.size()); + Common::MemoryReadStream *stream = new Common::MemoryReadStream(data, response.size(), DisposeAfterUse::YES); + setClientRedirectHandler(client, stream, location, mimeType); +} + +void LocalWebserver::setClientRedirectHandler(Client &client, Common::SeekableReadStream *responseStream, Common::String location, const char *mimeType) { + GetClientHandler *handler = new GetClientHandler(responseStream); + handler->setResponseCode(302); //redirect + handler->setHeader("Location", location); + if (mimeType) + handler->setHeader("Content-Type", mimeType); + client.setHandler(handler); +} + +namespace { +int hexDigit(char c) { + if ('0' <= c && c <= '9') return c - '0'; + if ('A' <= c && c <= 'F') return c - 'A' + 10; + if ('a' <= c && c <= 'f') return c - 'a' + 10; + return -1; +} +} + +Common::String LocalWebserver::urlDecode(Common::String value) { + Common::String result = ""; + uint32 size = value.size(); + for (uint32 i = 0; i < size; ++i) { + if (value[i] == '+') { + result += ' '; + continue; + } + + if (value[i] == '%' && i + 2 < size) { + int d1 = hexDigit(value[i + 1]); + int d2 = hexDigit(value[i + 2]); + if (0 <= d1 && d1 < 16 && 0 <= d2 && d2 < 16) { + result += (char)(d1 * 16 + d2); + i = i + 2; + continue; + } + } + + result += value[i]; + } + return result; +} + +namespace { +bool isQueryUnreserved(char c) { + return ( + ('0' <= c && c <= '9') || + ('A' <= c && c <= 'Z') || + ('a' <= c && c <= 'z') || + c == '-' || c == '_' || c == '.' || c == '!' || + c == '~' || c == '*' || c == '\'' || c == '(' || c == ')' + ); +} +} + +Common::String LocalWebserver::urlEncodeQueryParameterValue(Common::String value) { + //OK chars = alphanum | "-" | "_" | "." | "!" | "~" | "*" | "'" | "(" | ")" + //reserved for query are ";", "/", "?", ":", "@", "&", "=", "+", "," + //that means these must be encoded too or otherwise they could malform the query + Common::String result = ""; + char hexChar[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; + for (uint32 i = 0; i < value.size(); ++i) { + char c = value[i]; + if (isQueryUnreserved(c)) + result += c; + else { + result += '%'; + result += hexChar[(c >> 4) & 0xF]; + result += hexChar[c & 0xF]; + } + } + return result; +} + +} // End of namespace Networking diff --git a/backends/networking/sdl_net/localwebserver.h b/backends/networking/sdl_net/localwebserver.h new file mode 100644 index 0000000000..c6cf8485c3 --- /dev/null +++ b/backends/networking/sdl_net/localwebserver.h @@ -0,0 +1,115 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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. +* +*/ + +#ifndef BACKENDS_NETWORKING_SDL_NET_LOCALWEBSERVER_H +#define BACKENDS_NETWORKING_SDL_NET_LOCALWEBSERVER_H + +#include "backends/networking/sdl_net/client.h" +#include "backends/networking/sdl_net/handlers/basehandler.h" +#include "backends/networking/sdl_net/handlers/createdirectoryhandler.h" +#include "backends/networking/sdl_net/handlers/downloadfilehandler.h" +#include "backends/networking/sdl_net/handlers/filesajaxpagehandler.h" +#include "backends/networking/sdl_net/handlers/filespagehandler.h" +#include "backends/networking/sdl_net/handlers/indexpagehandler.h" +#include "backends/networking/sdl_net/handlers/listajaxhandler.h" +#include "backends/networking/sdl_net/handlers/resourcehandler.h" +#include "backends/networking/sdl_net/handlers/uploadfilehandler.h" +#include "common/hash-str.h" +#include "common/mutex.h" +#include "common/singleton.h" +#include "common/scummsys.h" + +namespace Common { +class SeekableReadStream; +} + +typedef struct _SDLNet_SocketSet *SDLNet_SocketSet; +typedef struct _TCPsocket *TCPsocket; + +namespace Networking { + +#define NETWORKING_LOCALWEBSERVER_ENABLE_PORT_OVERRIDE + +class LocalWebserver : public Common::Singleton<LocalWebserver> { + static const uint32 FRAMES_PER_SECOND = 20; + static const uint32 TIMER_INTERVAL = 1000000 / FRAMES_PER_SECOND; + static const uint32 MAX_CONNECTIONS = 10; + + friend void localWebserverTimer(void *); //calls handle() + + SDLNet_SocketSet _set; + TCPsocket _serverSocket; + Client _client[MAX_CONNECTIONS]; + int _clients; + bool _timerStarted, _stopOnIdle, _minimalMode; + Common::HashMap<Common::String, BaseHandler*> _pathHandlers; + BaseHandler *_defaultHandler; + IndexPageHandler _indexPageHandler; + FilesPageHandler _filesPageHandler; + CreateDirectoryHandler _createDirectoryHandler; + DownloadFileHandler _downloadFileHandler; + UploadFileHandler _uploadFileHandler; + ListAjaxHandler _listAjaxHandler; + FilesAjaxPageHandler _filesAjaxPageHandler; + ResourceHandler _resourceHandler; + uint32 _idlingFrames; + Common::Mutex _handleMutex; + Common::String _address; + uint32 _serverPort; + + void startTimer(int interval = TIMER_INTERVAL); + void stopTimer(); + void handle(); + void handleClient(uint32 i); + void acceptClient(); + void resolveAddress(void *ipAddress); + void addPathHandler(Common::String path, BaseHandler *handler); + +public: + static const uint32 DEFAULT_SERVER_PORT = 12345; + + LocalWebserver(); + virtual ~LocalWebserver(); + + void start(bool useMinimalMode = false); + void stop(); + void stopOnIdle(); + + Common::String getAddress(); + IndexPageHandler &indexPageHandler(); + bool isRunning(); + static uint32 getPort(); + + static void setClientGetHandler(Client &client, Common::String response, long code = 200, const char *mimeType = nullptr); + static void setClientGetHandler(Client &client, Common::SeekableReadStream *responseStream, long code = 200, const char *mimeType = nullptr); + static void setClientRedirectHandler(Client &client, Common::String response, Common::String location, const char *mimeType = nullptr); + static void setClientRedirectHandler(Client &client, Common::SeekableReadStream *responseStream, Common::String location, const char *mimeType = nullptr); + static Common::String urlDecode(Common::String value); + static Common::String urlEncodeQueryParameterValue(Common::String value); +}; + +/** Shortcut for accessing the local webserver. */ +#define LocalServer Networking::LocalWebserver::instance() + +} // End of namespace Networking + +#endif diff --git a/backends/networking/sdl_net/reader.cpp b/backends/networking/sdl_net/reader.cpp new file mode 100644 index 0000000000..8f3199f51c --- /dev/null +++ b/backends/networking/sdl_net/reader.cpp @@ -0,0 +1,462 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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 "backends/networking/sdl_net/reader.h" +#include "backends/fs/fs-factory.h" +#include "backends/networking/sdl_net/localwebserver.h" +#include "common/memstream.h" +#include "common/stream.h" + +namespace Networking { + +Reader::Reader() { + _state = RS_NONE; + _content = nullptr; + _bytesLeft = 0; + + _window = nullptr; + _windowUsed = 0; + _windowSize = 0; + + _headersStream = nullptr; + _firstBlock = true; + + _contentLength = 0; + _availableBytes = 0; + _isBadRequest = false; + _allContentRead = false; +} + +Reader::~Reader() { + cleanup(); +} + +Reader &Reader::operator=(Reader &r) { + if (this == &r) + return *this; + cleanup(); + + _state = r._state; + _content = r._content; + _bytesLeft = r._bytesLeft; + r._state = RS_NONE; + + _window = r._window; + _windowUsed = r._windowUsed; + _windowSize = r._windowSize; + r._window = nullptr; + + _headersStream = r._headersStream; + r._headersStream = nullptr; + + _headers = r._headers; + _method = r._method; + _path = r._path; + _query = r._query; + _anchor = r._anchor; + _queryParameters = r._queryParameters; + _contentLength = r._contentLength; + _boundary = r._boundary; + _availableBytes = r._availableBytes; + _firstBlock = r._firstBlock; + _isBadRequest = r._isBadRequest; + _allContentRead = r._allContentRead; + + return *this; +} + +void Reader::cleanup() { + //_content is not to be freed, it's not owned by Reader + + if (_headersStream != nullptr) + delete _headersStream; + + if (_window != nullptr) + freeWindow(); +} + +bool Reader::readAndHandleFirstHeaders() { + Common::String boundary = "\r\n\r\n"; + if (_window == nullptr) { + makeWindow(boundary.size()); + } + if (_headersStream == nullptr) { + _headersStream = new Common::MemoryReadWriteStream(DisposeAfterUse::YES); + } + + while (readOneByteInStream(_headersStream, boundary)) { + if (_headersStream->size() > SUSPICIOUS_HEADERS_SIZE) { + _isBadRequest = true; + return true; + } + if (!bytesLeft()) + return false; + } + handleFirstHeaders(_headersStream); + + freeWindow(); + _state = RS_READING_CONTENT; + return true; +} + +bool Reader::readBlockHeadersIntoStream(Common::WriteStream *stream) { + Common::String boundary = "\r\n\r\n"; + if (_window == nullptr) makeWindow(boundary.size()); + + while (readOneByteInStream(stream, boundary)) { + if (!bytesLeft()) + return false; + } + if (stream) stream->flush(); + + freeWindow(); + _state = RS_READING_CONTENT; + return true; +} + +namespace { +void readFromThatUntilLineEnd(const char *cstr, Common::String needle, Common::String &result) { + const char *position = strstr(cstr, needle.c_str()); + + if (position) { + char c; + for (const char *i = position + needle.size(); c = *i, c != 0; ++i) { + if (c == '\n' || c == '\r') + break; + result += c; + } + } +} +} + +void Reader::handleFirstHeaders(Common::MemoryReadWriteStream *headersStream) { + if (!_boundary.empty()) { + warning("Reader: handleFirstHeaders() called when first headers were already handled"); + return; + } + + //parse method, path, query, fragment + _headers = readEverythingFromMemoryStream(headersStream); + parseFirstLine(_headers); + + //find boundary + _boundary = ""; + readFromThatUntilLineEnd(_headers.c_str(), "boundary=", _boundary); + + //find content length + Common::String contentLength = ""; + readFromThatUntilLineEnd(_headers.c_str(), "Content-Length: ", contentLength); + _contentLength = contentLength.asUint64(); + _availableBytes = _contentLength; +} + +void Reader::parseFirstLine(const Common::String &headers) { + uint32 headersSize = headers.size(); + bool bad = false; + + if (headersSize > 0) { + const char *cstr = headers.c_str(); + const char *position = strstr(cstr, "\r\n"); + if (position) { //we have at least one line - and we want the first one + //"<METHOD> <path> HTTP/<VERSION>\r\n" + Common::String method, path, http, buf; + uint32 length = position - cstr; + if (headersSize > length) + headersSize = length; + for (uint32 i = 0; i < headersSize; ++i) { + if (headers[i] != ' ') + buf += headers[i]; + if (headers[i] == ' ' || i == headersSize - 1) { + if (method == "") { + method = buf; + } else if (path == "") { + path = buf; + } else if (http == "") { + http = buf; + } else { + bad = true; + break; + } + buf = ""; + } + } + + //check that method is supported + if (method != "GET" && method != "PUT" && method != "POST") + bad = true; + + //check that HTTP/<VERSION> is OK + if (!http.hasPrefix("HTTP/")) + bad = true; + + _method = method; + parsePathQueryAndAnchor(path); + } + } + + if (bad) _isBadRequest = true; +} + +void Reader::parsePathQueryAndAnchor(Common::String path) { + //<path>[?query][#anchor] + bool readingPath = true; + bool readingQuery = false; + _path = ""; + _query = ""; + _anchor = ""; + for (uint32 i = 0; i < path.size(); ++i) { + if (readingPath) { + if (path[i] == '?') { + readingPath = false; + readingQuery = true; + } else { + _path += path[i]; + } + } else if (readingQuery) { + if (path[i] == '#') { + readingQuery = false; + } else { + _query += path[i]; + } + } else { + _anchor += path[i]; + } + } + + parseQueryParameters(); +} + +void Reader::parseQueryParameters() { + Common::String key = ""; + Common::String value = ""; + bool readingKey = true; + for (uint32 i = 0; i < _query.size(); ++i) { + if (readingKey) { + if (_query[i] == '=') { + readingKey = false; + value = ""; + } else { + key += _query[i]; + } + } else { + if (_query[i] == '&') { + if (_queryParameters.contains(key)) + warning("Reader: query parameter \"%s\" is already set!", key.c_str()); + else + _queryParameters[key] = LocalWebserver::urlDecode(value); + readingKey = true; + key = ""; + } else { + value += _query[i]; + } + } + } + + if (!key.empty()) { + if (_queryParameters.contains(key)) + warning("Reader: query parameter \"%s\" is already set!", key.c_str()); + else + _queryParameters[key] = LocalWebserver::urlDecode(value); + } +} + +bool Reader::readContentIntoStream(Common::WriteStream *stream) { + Common::String boundary = "--" + _boundary; + if (!_firstBlock) + boundary = "\r\n" + boundary; + if (_boundary.empty()) + boundary = "\r\n"; + if (_window == nullptr) + makeWindow(boundary.size()); + + while (readOneByteInStream(stream, boundary)) { + if (!bytesLeft()) + return false; + } + + _firstBlock = false; + if (stream) + stream->flush(); + + freeWindow(); + _state = RS_READING_HEADERS; + return true; +} + +void Reader::makeWindow(uint32 size) { + freeWindow(); + + _window = new byte[size]; + _windowUsed = 0; + _windowSize = size; +} + +void Reader::freeWindow() { + delete[] _window; + _window = nullptr; + _windowUsed = _windowSize = 0; +} + +namespace { +bool windowEqualsString(const byte *window, uint32 windowSize, const Common::String &boundary) { + if (boundary.size() != windowSize) + return false; + + for (uint32 i = 0; i < windowSize; ++i) { + if (window[i] != boundary[i]) + return false; + } + + return true; +} +} + +bool Reader::readOneByteInStream(Common::WriteStream *stream, const Common::String &boundary) { + byte b = readOne(); + _window[_windowUsed++] = b; + if (_windowUsed < _windowSize) + return true; + + //when window is filled, check whether that's the boundary + if (windowEqualsString(_window, _windowSize, boundary)) + return false; + + //if not, add the first byte of the window to the string + if (stream) + stream->writeByte(_window[0]); + for (uint32 i = 1; i < _windowSize; ++i) + _window[i - 1] = _window[i]; + --_windowUsed; + return true; +} + +byte Reader::readOne() { + byte b; + _content->read(&b, 1); + --_availableBytes; + --_bytesLeft; + return b; +} + +/// public + +bool Reader::readFirstHeaders() { + if (_state == RS_NONE) + _state = RS_READING_HEADERS; + + if (!bytesLeft()) + return false; + + if (_state == RS_READING_HEADERS) + return readAndHandleFirstHeaders(); + + warning("Reader::readFirstHeaders(): bad state"); + return false; +} + +bool Reader::readFirstContent(Common::WriteStream *stream) { + if (_state != RS_READING_CONTENT) { + warning("Reader::readFirstContent(): bad state"); + return false; + } + + // no difference, actually + return readBlockContent(stream); +} + +bool Reader::readBlockHeaders(Common::WriteStream *stream) { + if (_state != RS_READING_HEADERS) { + warning("Reader::readBlockHeaders(): bad state"); + return false; + } + + if (!bytesLeft()) + return false; + + return readBlockHeadersIntoStream(stream); +} + +bool Reader::readBlockContent(Common::WriteStream *stream) { + if (_state != RS_READING_CONTENT) { + warning("Reader::readBlockContent(): bad state"); + return false; + } + + if (!bytesLeft()) + return false; + + if (!readContentIntoStream(stream)) + return false; + + if (_availableBytes >= 2) { + Common::String bts; + bts += readOne(); + bts += readOne(); + if (bts == "--") + _allContentRead = true; + else if (bts != "\r\n") + warning("Reader: strange bytes: \"%s\"", bts.c_str()); + } else { + warning("Reader: strange ending"); + _allContentRead = true; + } + + return true; +} + +uint32 Reader::bytesLeft() const { return _bytesLeft; } + +void Reader::setContent(Common::MemoryReadWriteStream *stream) { + _content = stream; + _bytesLeft = stream->size() - stream->pos(); +} + +bool Reader::badRequest() const { return _isBadRequest; } + +bool Reader::noMoreContent() const { return _allContentRead; } + +Common::String Reader::headers() const { return _headers; } + +Common::String Reader::method() const { return _method; } + +Common::String Reader::path() const { return _path; } + +Common::String Reader::query() const { return _query; } + +Common::String Reader::queryParameter(Common::String name) const { return _queryParameters[name]; } + +Common::String Reader::anchor() const { return _anchor; } + +Common::String Reader::readEverythingFromMemoryStream(Common::MemoryReadWriteStream *stream) { + Common::String result; + char buf[1024]; + uint32 readBytes; + while (true) { + readBytes = stream->read(buf, 1024); + if (readBytes == 0) + break; + result += Common::String(buf, readBytes); + } + return result; +} + +} // End of namespace Networking diff --git a/backends/networking/sdl_net/reader.h b/backends/networking/sdl_net/reader.h new file mode 100644 index 0000000000..16d62a27eb --- /dev/null +++ b/backends/networking/sdl_net/reader.h @@ -0,0 +1,143 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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. +* +*/ + +#ifndef BACKENDS_NETWORKING_SDL_NET_READER_H +#define BACKENDS_NETWORKING_SDL_NET_READER_H + +#include "common/str.h" +#include "common/hashmap.h" +#include "common/hash-str.h" + +namespace Common { +class MemoryReadWriteStream; +class WriteStream; +} + +namespace Networking { + +enum ReaderState { + RS_NONE, + RS_READING_HEADERS, + RS_READING_CONTENT +}; + +/** + * This is a helper class for Client. + * + * It parses HTTP request and finds headers + * and content. It also supports POST form/multipart. + * + * One might pass the request even byte by byte, + * Reader will always be able to continue from the + * state it stopped on. + * + * Main headers/content must be read with + * readFirstHeaders() and readFirstContent() methods. + * Further headers/content blocks (POST form/multipart) + * must be read with readBlockHeaders() and readBlockContent(). + * + * Main headers and parsed URL components could be accessed + * with special methods after reading. + * + * To use the object, call setContent() and then one of those + * reading methods. It would return whether reading is over + * or not. If reading is over, content stream still could + * contain bytes to read with other methods. + * + * If reading is not over, Reader awaits you to call the + * same reading method when you'd get more content. + * + * If it's over, you should check whether Reader awaits + * more content with noMoreContent() and call the other + * reading method, if it is. When headers are read, one + * must read contents, and vice versa. + */ + +class Reader { + ReaderState _state; + Common::MemoryReadWriteStream *_content; + uint32 _bytesLeft; + + byte *_window; + uint32 _windowUsed, _windowSize; + + Common::MemoryReadWriteStream *_headersStream; + + Common::String _headers; + Common::String _method, _path, _query, _anchor; + Common::HashMap<Common::String, Common::String> _queryParameters; + uint32 _contentLength; + Common::String _boundary; + uint32 _availableBytes; + bool _firstBlock; + bool _isBadRequest; + bool _allContentRead; + + void cleanup(); + + bool readAndHandleFirstHeaders(); //true when ended reading + bool readBlockHeadersIntoStream(Common::WriteStream *stream); //true when ended reading + bool readContentIntoStream(Common::WriteStream *stream); //true when ended reading + + void handleFirstHeaders(Common::MemoryReadWriteStream *headers); + void parseFirstLine(const Common::String &headers); + void parsePathQueryAndAnchor(Common::String path); + void parseQueryParameters(); + + void makeWindow(uint32 size); + void freeWindow(); + bool readOneByteInStream(Common::WriteStream *stream, const Common::String &boundary); + + byte readOne(); + uint32 bytesLeft() const; + +public: + static const uint32 SUSPICIOUS_HEADERS_SIZE = 1024 * 1024; // 1 MB is really a lot + + Reader(); + ~Reader(); + + Reader &operator=(Reader &r); + + bool readFirstHeaders(); //true when ended reading + bool readFirstContent(Common::WriteStream *stream); //true when ended reading + bool readBlockHeaders(Common::WriteStream *stream); //true when ended reading + bool readBlockContent(Common::WriteStream *stream); //true when ended reading + + void setContent(Common::MemoryReadWriteStream *stream); + + bool badRequest() const; + bool noMoreContent() const; + + Common::String headers() const; + Common::String method() const; + Common::String path() const; + Common::String query() const; + Common::String queryParameter(Common::String name) const; + Common::String anchor() const; + + static Common::String readEverythingFromMemoryStream(Common::MemoryReadWriteStream *stream); +}; + +} // End of namespace Networking + +#endif diff --git a/backends/networking/sdl_net/uploadfileclienthandler.cpp b/backends/networking/sdl_net/uploadfileclienthandler.cpp new file mode 100644 index 0000000000..ebf341682c --- /dev/null +++ b/backends/networking/sdl_net/uploadfileclienthandler.cpp @@ -0,0 +1,212 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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 "backends/networking/sdl_net/uploadfileclienthandler.h" +#include "backends/fs/fs-factory.h" +#include "backends/networking/sdl_net/handlerutils.h" +#include "backends/networking/sdl_net/localwebserver.h" +#include "backends/networking/sdl_net/reader.h" +#include "common/file.h" +#include "common/memstream.h" +#include "common/translation.h" + +namespace Networking { + +UploadFileClientHandler::UploadFileClientHandler(Common::String parentDirectoryPath): + _state(UFH_READING_CONTENT), _headersStream(nullptr), _contentStream(nullptr), + _parentDirectoryPath(parentDirectoryPath), _uploadedFiles(0) {} + +UploadFileClientHandler::~UploadFileClientHandler() { + delete _headersStream; + delete _contentStream; +} + +void UploadFileClientHandler::handle(Client *client) { + if (client == nullptr) { + warning("UploadFileClientHandler::handle(): empty client pointer"); + return; + } + + while (true) { + switch (_state) { + case UFH_READING_CONTENT: + if (client->readContent(nullptr)) { + _state = UFH_READING_BLOCK_HEADERS; + continue; + } + break; + + case UFH_READING_BLOCK_HEADERS: + if (_headersStream == nullptr) + _headersStream = new Common::MemoryReadWriteStream(DisposeAfterUse::YES); + + if (client->readBlockHeaders(_headersStream)) { + handleBlockHeaders(client); + continue; + } + + // fail on suspicious headers + if (_headersStream->size() > Reader::SUSPICIOUS_HEADERS_SIZE) { + setErrorMessageHandler(*client, _("Invalid request: headers are too long!")); + } + break; + + case UFH_READING_BLOCK_CONTENT: + // _contentStream is created by handleBlockHeaders() if needed + + if (client->readBlockContent(_contentStream)) { + handleBlockContent(client); + continue; + } + break; + + case UFH_ERROR: + case UFH_STOP: + return; + } + + break; + } +} + +namespace { +void readFromThatUntilDoubleQuote(const char *cstr, Common::String needle, Common::String &result) { + const char *position = strstr(cstr, needle.c_str()); + + if (position) { + char c; + for (const char *i = position + needle.size(); c = *i, c != 0; ++i) { + if (c == '"') + break; + result += c; + } + } +} +} + +void UploadFileClientHandler::handleBlockHeaders(Client *client) { + _state = UFH_READING_BLOCK_CONTENT; + + // fail on suspicious headers + if (_headersStream->size() > Reader::SUSPICIOUS_HEADERS_SIZE) { + setErrorMessageHandler(*client, _("Invalid request: headers are too long!")); + } + + // search for "upload_file" field + Common::String headers = Reader::readEverythingFromMemoryStream(_headersStream); + Common::String fieldName = ""; + readFromThatUntilDoubleQuote(headers.c_str(), "name=\"", fieldName); + if (!fieldName.hasPrefix("upload_file")) + return; + + Common::String filename = ""; + readFromThatUntilDoubleQuote(headers.c_str(), "filename=\"", filename); + + // skip block if <filename> is empty + if (filename.empty()) + return; + + if (HandlerUtils::hasForbiddenCombinations(filename)) + return; + + // check that <path>/<filename> doesn't exist + Common::String path = _parentDirectoryPath; + if (path.lastChar() != '/' && path.lastChar() != '\\') + path += '/'; + AbstractFSNode *originalNode = g_system->getFilesystemFactory()->makeFileNodePath(path + filename); + if (!HandlerUtils::permittedPath(originalNode->getPath())) { + setErrorMessageHandler(*client, _("Invalid path!")); + return; + } + if (originalNode->exists()) { + setErrorMessageHandler(*client, _("There is a file with that name in the parent directory!")); + return; + } + + // remove previous stream (if there is one) + if (_contentStream) { + delete _contentStream; + _contentStream = nullptr; + } + + // create file stream (and necessary subdirectories) + Common::DumpFile *f = new Common::DumpFile(); + if (!f->open(originalNode->getPath(), true)) { + delete f; + setErrorMessageHandler(*client, _("Failed to upload the file!")); + return; + } + + _contentStream = f; +} + +void UploadFileClientHandler::handleBlockContent(Client *client) { + _state = UFH_READING_BLOCK_HEADERS; + + // if previous block headers were file-related and created a stream + if (_contentStream) { + _contentStream->flush(); + ++_uploadedFiles; + + delete _contentStream; + _contentStream = nullptr; + + if (client->noMoreContent()) { + // success - redirect back to directory listing + setSuccessHandler(*client); + return; + } + } + + // no more content avaiable + if (client->noMoreContent()) { + // if no file field was found - failure + if (_uploadedFiles == 0) { + setErrorMessageHandler(*client, _("No file was passed!")); + } else { + setSuccessHandler(*client); + } + } +} + +void UploadFileClientHandler::setErrorMessageHandler(Client &client, Common::String message) { + HandlerUtils::setFilesManagerErrorMessageHandler(client, message); + _state = UFH_ERROR; +} + +void UploadFileClientHandler::setSuccessHandler(Client &client) { + // success - redirect back to directory listing + HandlerUtils::setMessageHandler( + client, + Common::String::format( + "%s<br/><a href=\"files?path=%s\">%s</a>", + _("Uploaded successfully!"), + client.queryParameter("path").c_str(), + _("Back to parent directory") + ), + (client.queryParameter("ajax") == "true" ? "/filesAJAX?path=" : "/files?path=") + + LocalWebserver::urlEncodeQueryParameterValue(client.queryParameter("path")) + ); + _state = UFH_STOP; +} + +} // End of namespace Networking diff --git a/backends/networking/sdl_net/uploadfileclienthandler.h b/backends/networking/sdl_net/uploadfileclienthandler.h new file mode 100644 index 0000000000..b6481cf18f --- /dev/null +++ b/backends/networking/sdl_net/uploadfileclienthandler.h @@ -0,0 +1,70 @@ +/* ScummVM - Graphic Adventure Engine +* +* ScummVM is the legal property of its developers, whose names +* are too numerous to list here. Please refer to the COPYRIGHT +* file distributed with this source distribution. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* 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. +* +*/ + +#ifndef BACKENDS_NETWORKING_SDL_NET_UPLOADFILECLIENTHANDLER_H +#define BACKENDS_NETWORKING_SDL_NET_UPLOADFILECLIENTHANDLER_H + +#include "backends/networking/sdl_net/client.h" +#include "common/stream.h" + +namespace Networking { + +enum UploadFileHandlerState { + UFH_READING_CONTENT, + UFH_READING_BLOCK_HEADERS, + UFH_READING_BLOCK_CONTENT, + UFH_ERROR, + UFH_STOP +}; + +/** + * This class handles POST form/multipart upload. + * + * handleBlockHeaders() looks for filename and, if it's found, + * handleBlockContent() saves content into the file with such name. + * + * If no file found or other error occurs, it sets + * default error message handler. + */ + +class UploadFileClientHandler: public ClientHandler { + UploadFileHandlerState _state; + Common::MemoryReadWriteStream *_headersStream; + Common::WriteStream *_contentStream; + Common::String _parentDirectoryPath; + uint32 _uploadedFiles; + + void handleBlockHeaders(Client *client); + void handleBlockContent(Client *client); + void setErrorMessageHandler(Client &client, Common::String message); + void setSuccessHandler(Client &client); + +public: + UploadFileClientHandler(Common::String parentDirectoryPath); + virtual ~UploadFileClientHandler(); + + virtual void handle(Client *client); +}; + +} // End of namespace Networking + +#endif |