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233
backends/networking/sdl_net/handlers/filespagehandler.cpp
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233
backends/networking/sdl_net/handlers/filespagehandler.cpp
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "backends/networking/sdl_net/handlers/filespagehandler.h"
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#include "backends/networking/sdl_net/handlerutils.h"
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#include "backends/networking/sdl_net/localwebserver.h"
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#include "common/config-manager.h"
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#include "common/translation.h"
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namespace Networking {
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#define INDEX_PAGE_NAME ".index.html"
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#define FILES_PAGE_NAME ".files.html"
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FilesPageHandler::FilesPageHandler() {}
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FilesPageHandler::~FilesPageHandler() {}
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namespace {
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Common::String encodeDoubleQuotes(const Common::String &s) {
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Common::String result = "";
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for (uint32 i = 0; i < s.size(); ++i)
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if (s[i] == '"') {
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result += "\\\"";
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} else {
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result += s[i];
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}
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return result;
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}
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Common::String encodeHtmlEntities(const Common::String &s) {
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Common::String result = "";
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for (uint32 i = 0; i < s.size(); ++i)
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if (s[i] == '<')
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result += "<";
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else if (s[i] == '>')
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result += ">";
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else if (s[i] == '&')
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result += "&";
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else if ((byte)s[i] > (byte)0x7F)
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result += Common::String::format("&#%d;", (int)s[i]);
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else result += s[i];
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return result;
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}
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Common::String getDisplayPath(const Common::String &s) {
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Common::String result = "";
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for (uint32 i = 0; i < s.size(); ++i)
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if (s[i] == '\\')
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result += '/';
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else
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result += s[i];
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if (result == "")
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return "/";
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return result;
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}
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}
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bool FilesPageHandler::listDirectory(const Common::String &path_, Common::String &content, const Common::String &itemTemplate) {
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if (path_ == "" || path_ == "/") {
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if (ConfMan.hasKey("rootpath", "cloud"))
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addItem(content, itemTemplate, IT_DIRECTORY, "/root/", Common::convertFromU32String(_("File system root")));
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addItem(content, itemTemplate, IT_DIRECTORY, "/saves/", Common::convertFromU32String(_("Saved games")));
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return true;
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}
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if (HandlerUtils::hasForbiddenCombinations(path_))
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return false;
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Common::String path = path_;
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Common::String basePath;
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Common::Path baseFSPath, fsPath;
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if (!urlToPath(path, fsPath, basePath, baseFSPath))
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return false;
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Common::FSNode node = Common::FSNode(fsPath);
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if (!HandlerUtils::permittedPath(node.getPath()))
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return false;
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if (!node.isDirectory())
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return false;
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// list directory
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Common::FSList _nodeContent;
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if (!node.getChildren(_nodeContent, Common::FSNode::kListAll, false)) // do not show hidden files
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_nodeContent.clear();
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else
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Common::sort(_nodeContent.begin(), _nodeContent.end());
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// add parent directory link
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{
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Common::Path relPath = fsPath.relativeTo(baseFSPath);
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relPath = relPath.getParent();
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Common::String filePath("/");
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if (!relPath.empty())
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filePath = basePath + relPath.toString('/');
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addItem(content, itemTemplate, IT_PARENT_DIRECTORY, filePath, Common::convertFromU32String(_("Parent directory")));
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}
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// fill the content
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for (auto &i : _nodeContent) {
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Common::String name = i.getName();
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if (i.isDirectory())
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name += "/";
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Common::Path relPath = i.getPath().relativeTo(baseFSPath);
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Common::String filePath(basePath);
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filePath += relPath.toString('/');
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addItem(content, itemTemplate, detectType(i.isDirectory(), name), filePath, name);
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}
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return true;
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}
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FilesPageHandler::ItemType FilesPageHandler::detectType(bool isDirectory, const Common::String &name) {
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if (isDirectory)
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return IT_DIRECTORY;
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if (name.hasSuffix(".txt"))
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return IT_TXT;
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if (name.hasSuffix(".zip"))
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return IT_ZIP;
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if (name.hasSuffix(".7z"))
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return IT_7Z;
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return IT_UNKNOWN;
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}
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void FilesPageHandler::addItem(Common::String &content, const Common::String &itemTemplate, ItemType itemType, const Common::String &path, const Common::String &name, const Common::String &size) const {
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Common::String item = itemTemplate, icon;
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bool isDirectory = (itemType == IT_DIRECTORY || itemType == IT_PARENT_DIRECTORY);
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switch (itemType) {
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case IT_DIRECTORY:
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icon = "dir.png";
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break;
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case IT_PARENT_DIRECTORY:
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icon = "up.png";
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break;
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case IT_TXT:
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icon = "txt.png";
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break;
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case IT_ZIP:
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icon = "zip.png";
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break;
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case IT_7Z:
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icon = "7z.png";
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break;
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default:
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icon = "unk.png";
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}
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replace(item, "{icon}", icon);
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replace(item, "{link}", (isDirectory ? "files?path=" : "download?path=") + LocalWebserver::urlEncodeQueryParameterValue(path));
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replace(item, "{name}", encodeHtmlEntities(name));
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replace(item, "{size}", size);
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content += item;
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}
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/// public
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void FilesPageHandler::handle(Client &client) {
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Common::String response =
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"<html>" \
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"<head><title>ScummVM</title><meta charset=\"utf-8\"/></head>" \
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"<body>" \
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"<p>{create_directory_desc}</p>" \
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"<form action=\"create\">" \
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"<input type=\"hidden\" name=\"path\" value=\"{path}\"/>" \
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"<input type=\"text\" name=\"directory_name\" value=\"\"/>" \
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"<input type=\"submit\" value=\"{create_directory_button}\"/>" \
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"</form>" \
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"<hr/>" \
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"<p>{upload_file_desc}</p>" \
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"<form action=\"upload?path={path}\" method=\"post\" enctype=\"multipart/form-data\">" \
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"<input type=\"file\" name=\"upload_file-f\" allowdirs multiple/>" \
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"<span>{or_upload_directory_desc}</span>" \
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"<input type=\"file\" name=\"upload_file-d\" directory webkitdirectory multiple/>" \
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"<input type=\"submit\" value=\"{upload_file_button}\"/>" \
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"</form>"
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"<hr/>" \
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"<h1>{index_of_directory}</h1>" \
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"<table>{content}</table>" \
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"</body>" \
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"</html>";
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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?
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// load stylish response page from the archive
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Common::SeekableReadStream *const stream = HandlerUtils::getArchiveFile(FILES_PAGE_NAME);
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if (stream)
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response = HandlerUtils::readEverythingFromStream(stream);
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Common::String path = client.queryParameter("path");
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Common::String content = "";
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// show an error message if failed to list directory
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if (!listDirectory(path, content, itemTemplate)) {
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HandlerUtils::setFilesManagerErrorMessageHandler(client, Common::convertFromU32String(_("ScummVM couldn't list the directory you specified.")).c_str());
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return;
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}
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//some of these occur twice:
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replace(response, "{create_directory_button}", _("Create directory").encode());
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replace(response, "{create_directory_button}", _("Create directory").encode());
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replace(response, "{path}", encodeDoubleQuotes(client.queryParameter("path")));
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replace(response, "{path}", encodeDoubleQuotes(client.queryParameter("path")));
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replace(response, "{upload_files_button}", _("Upload files").encode()); //tab
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replace(response, "{upload_file_button}", _("Upload files").encode()); //button in the tab
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replace(response, "{create_directory_desc}", _("Type new directory name:").encode());
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replace(response, "{upload_file_desc}", _("Select a file to upload:").encode());
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replace(response, "{or_upload_directory_desc}", _("Or select a directory (works in Chrome only):").encode());
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replace(response, "{index_of_directory}", Common::String::format("%s %s", _("Index of").encode().c_str(), encodeHtmlEntities(getDisplayPath(client.queryParameter("path"))).c_str()));
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replace(response, "{content}", content);
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LocalWebserver::setClientGetHandler(client, response);
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}
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} // End of namespace Networking
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