Mercurial > hg > orthanc
diff Core/HttpServer/FilesystemHttpHandler.cpp @ 0:3959d33612cc
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 19 Jul 2012 14:32:22 +0200 |
parents | |
children | 9be852ad33d2 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/HttpServer/FilesystemHttpHandler.cpp Thu Jul 19 14:32:22 2012 +0200 @@ -0,0 +1,142 @@ +/** + * Palantir - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012 Medical Physics Department, CHU of Liege, + * Belgium + * + * 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 3 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, see <http://www.gnu.org/licenses/>. + **/ + + +#include "FilesystemHttpHandler.h" + +#include "../PalantirException.h" + +#include <boost/filesystem.hpp> + + +namespace Palantir +{ + struct FilesystemHttpHandler::PImpl + { + UriComponents baseUri_; + boost::filesystem::path root_; + }; + + + + static void OutputDirectoryContent(HttpOutput& output, + const UriComponents& uri, + const boost::filesystem::path& p) + { + namespace fs = boost::filesystem; + + output.SendOkHeader("text/html"); + output.SendString("<html>"); + output.SendString(" <body>"); + output.SendString(" <h1>Subdirectories</h1>"); + output.SendString(" <ul>"); + + if (uri.size() > 0) + { + std::string h = Toolbox::FlattenUri(uri) + "/.."; + output.SendString("<li><a href=\"" + h + "\">..</a></li>"); + } + + fs::directory_iterator end; + for (fs::directory_iterator it(p) ; it != end; ++it) + { + std::string f = it->path().filename().string(); + std::string h = Toolbox::FlattenUri(uri) + "/" + f; + if (fs::is_directory(it->status())) + output.SendString("<li><a href=\"" + h + "\">" + f + "</a></li>"); + } + + output.SendString(" </ul>"); + output.SendString(" <h1>Files</h1>"); + output.SendString(" <ul>"); + + for (fs::directory_iterator it(p) ; it != end; ++it) + { + std::string f = it->path().filename().string(); + std::string h = Toolbox::FlattenUri(uri) + "/" + f; + if (fs::is_regular_file(it->status())) + output.SendString("<li><a href=\"" + h + "\">" + f + "</a></li>"); + } + + output.SendString(" </ul>"); + output.SendString(" </body>"); + output.SendString("</html>"); + } + + + FilesystemHttpHandler::FilesystemHttpHandler(const std::string& baseUri, + const std::string& root) : pimpl_(new PImpl) + { + Toolbox::SplitUriComponents(pimpl_->baseUri_, baseUri); + pimpl_->root_ = root; + listDirectoryContent_ = false; + + namespace fs = boost::filesystem; + if (!fs::exists(pimpl_->root_) || + !fs::is_directory(pimpl_->root_)) + { + throw PalantirException("The path does not point to a directory"); + } + } + + + bool FilesystemHttpHandler::IsServedUri(const UriComponents& uri) + { + return Toolbox::IsChildUri(pimpl_->baseUri_, uri); + } + + + void FilesystemHttpHandler::Handle( + HttpOutput& output, + const std::string& method, + const UriComponents& uri, + const Arguments& headers, + const Arguments& arguments, + const std::string&) + { + if (method != "GET") + { + output.SendMethodNotAllowedError("GET"); + return; + } + + namespace fs = boost::filesystem; + + fs::path p = pimpl_->root_; + for (size_t i = pimpl_->baseUri_.size(); i < uri.size(); i++) + { + p /= uri[i]; + } + + if (fs::exists(p) && fs::is_regular_file(p)) + { + output.AnswerFileAutodetectContentType(p.string()); + } + else if (listDirectoryContent_ && + fs::exists(p) && + fs::is_directory(p)) + { + OutputDirectoryContent(output, uri, p); + } + else + { + output.SendHeader(HttpStatus_404_NotFound); + } + } +}