Mercurial > hg > orthanc
diff OrthancFramework/Sources/HttpServer/FilesystemHttpHandler.cpp @ 4044:d25f4c0fa160 framework
splitting code into OrthancFramework and OrthancServer
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 10 Jun 2020 20:30:34 +0200 |
parents | Core/HttpServer/FilesystemHttpHandler.cpp@94f4a18a79cc |
children | bf7b9edf6b81 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancFramework/Sources/HttpServer/FilesystemHttpHandler.cpp Wed Jun 10 20:30:34 2020 +0200 @@ -0,0 +1,182 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2020 Osimis S.A., 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. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * 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 "../PrecompiledHeaders.h" +#include "FilesystemHttpHandler.h" + +#include "../OrthancException.h" +#include "../SystemToolbox.h" +#include "FilesystemHttpSender.h" + +#include <boost/filesystem.hpp> + + +namespace Orthanc +{ + struct FilesystemHttpHandler::PImpl + { + UriComponents baseUri_; + boost::filesystem::path root_; + }; + + + + static void OutputDirectoryContent(HttpOutput& output, + const IHttpHandler::Arguments& headers, + const UriComponents& uri, + const boost::filesystem::path& p) + { + namespace fs = boost::filesystem; + + std::string s; + s += "<html>"; + s += " <body>"; + s += " <h1>Subdirectories</h1>"; + s += " <ul>"; + + if (uri.size() > 0) + { + std::string h = Toolbox::FlattenUri(uri) + "/.."; + s += "<li><a href=\"" + h + "\">..</a></li>"; + } + + fs::directory_iterator end; + for (fs::directory_iterator it(p) ; it != end; ++it) + { +#if BOOST_HAS_FILESYSTEM_V3 == 1 + std::string f = it->path().filename().string(); +#else + std::string f = it->path().filename(); +#endif + + std::string h = Toolbox::FlattenUri(uri) + "/" + f; + if (fs::is_directory(it->status())) + s += "<li><a href=\"" + h + "\">" + f + "</a></li>"; + } + + s += " </ul>"; + s += " <h1>Files</h1>"; + s += " <ul>"; + + for (fs::directory_iterator it(p) ; it != end; ++it) + { +#if BOOST_HAS_FILESYSTEM_V3 == 1 + std::string f = it->path().filename().string(); +#else + std::string f = it->path().filename(); +#endif + + std::string h = Toolbox::FlattenUri(uri) + "/" + f; + if (SystemToolbox::IsRegularFile(it->path().string())) + { + s += "<li><a href=\"" + h + "\">" + f + "</a></li>"; + } + } + + s += " </ul>"; + s += " </body>"; + s += "</html>"; + + output.SetContentType(MimeType_Html); + output.Answer(s); + } + + + 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 OrthancException(ErrorCode_DirectoryExpected); + } + } + + + bool FilesystemHttpHandler::Handle( + HttpOutput& output, + RequestOrigin /*origin*/, + const char* /*remoteIp*/, + const char* /*username*/, + HttpMethod method, + const UriComponents& uri, + const Arguments& headers, + const GetArguments& arguments, + const void* /*bodyData*/, + size_t /*bodySize*/) + { + if (!Toolbox::IsChildUri(pimpl_->baseUri_, uri)) + { + // This URI is not served by this handler + return false; + } + + if (method != HttpMethod_Get) + { + output.SendMethodNotAllowed("GET"); + return true; + } + + namespace fs = boost::filesystem; + + fs::path p = pimpl_->root_; + for (size_t i = pimpl_->baseUri_.size(); i < uri.size(); i++) + { + p /= uri[i]; + } + + if (SystemToolbox::IsRegularFile(p.string())) + { + FilesystemHttpSender sender(p); + sender.SetContentType(SystemToolbox::AutodetectMimeType(p.string())); + output.Answer(sender); // TODO COMPRESSION + } + else if (listDirectoryContent_ && + fs::exists(p) && + fs::is_directory(p)) + { + OutputDirectoryContent(output, headers, uri, p); + } + else + { + output.SendStatus(HttpStatus_404_NotFound); + } + + return true; + } +}