173 lines
4.9 KiB
C++
173 lines
4.9 KiB
C++
/**
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* Orthanc - A Lightweight, RESTful DICOM Store
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* Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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* Department, University Hospital of Liege, Belgium
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* Copyright (C) 2017-2023 Osimis S.A., Belgium
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* Copyright (C) 2024-2025 Orthanc Team SRL, Belgium
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* Copyright (C) 2021-2025 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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*
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* This program is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program. If not, see
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* <http://www.gnu.org/licenses/>.
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**/
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#include "../PrecompiledHeaders.h"
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#include "FilesystemHttpHandler.h"
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#include "../OrthancException.h"
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#include "../SystemToolbox.h"
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#include "FilesystemHttpSender.h"
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#include <boost/filesystem.hpp>
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namespace Orthanc
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{
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struct FilesystemHttpHandler::PImpl
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{
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UriComponents baseUri_;
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boost::filesystem::path root_;
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};
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static void OutputDirectoryContent(HttpOutput& output,
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const HttpToolbox::Arguments& headers,
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const UriComponents& uri,
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const boost::filesystem::path& p)
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{
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namespace fs = boost::filesystem;
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std::string s;
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s += "<html>";
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s += " <body>";
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s += " <h1>Subdirectories</h1>";
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s += " <ul>";
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if (uri.size() > 0)
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{
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std::string h = Toolbox::FlattenUri(uri) + "/..";
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s += "<li><a href=\"" + h + "\">..</a></li>";
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}
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fs::directory_iterator end;
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for (fs::directory_iterator it(p) ; it != end; ++it)
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{
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#if BOOST_HAS_FILESYSTEM_V3 == 1
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std::string f = it->path().filename().string();
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#else
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std::string f = it->path().filename();
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#endif
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std::string h = Toolbox::FlattenUri(uri) + "/" + f;
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if (fs::is_directory(it->status()))
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s += "<li><a href=\"" + h + "\">" + f + "</a></li>";
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}
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s += " </ul>";
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s += " <h1>Files</h1>";
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s += " <ul>";
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for (fs::directory_iterator it(p) ; it != end; ++it)
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{
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#if BOOST_HAS_FILESYSTEM_V3 == 1
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std::string f = it->path().filename().string();
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#else
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std::string f = it->path().filename();
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#endif
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std::string h = Toolbox::FlattenUri(uri) + "/" + f;
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if (SystemToolbox::IsRegularFile(it->path().string()))
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{
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s += "<li><a href=\"" + h + "\">" + f + "</a></li>";
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}
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}
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s += " </ul>";
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s += " </body>";
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s += "</html>";
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output.SetContentType(MimeType_Html);
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output.Answer(s);
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}
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FilesystemHttpHandler::FilesystemHttpHandler(const std::string& baseUri,
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const std::string& root) : pimpl_(new PImpl)
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{
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Toolbox::SplitUriComponents(pimpl_->baseUri_, baseUri);
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pimpl_->root_ = root;
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listDirectoryContent_ = false;
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namespace fs = boost::filesystem;
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if (!fs::exists(pimpl_->root_) ||
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!fs::is_directory(pimpl_->root_))
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{
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throw OrthancException(ErrorCode_DirectoryExpected);
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}
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}
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bool FilesystemHttpHandler::Handle(HttpOutput& output,
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RequestOrigin /*origin*/,
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const char* /*remoteIp*/,
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const char* /*username*/,
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HttpMethod method,
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const UriComponents& uri,
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const HttpToolbox::Arguments& headers,
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const HttpToolbox::GetArguments& arguments,
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const void* /*bodyData*/,
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size_t /*bodySize*/)
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{
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if (!Toolbox::IsChildUri(pimpl_->baseUri_, uri))
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{
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// This URI is not served by this handler
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return false;
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}
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if (method != HttpMethod_Get)
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{
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output.SendMethodNotAllowed("GET");
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return true;
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}
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namespace fs = boost::filesystem;
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fs::path p = pimpl_->root_;
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for (size_t i = pimpl_->baseUri_.size(); i < uri.size(); i++)
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{
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p /= uri[i];
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}
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if (SystemToolbox::IsRegularFile(p.string()))
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{
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FilesystemHttpSender sender(p);
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sender.SetContentType(SystemToolbox::AutodetectMimeType(p.string()));
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output.Answer(sender);
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}
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else if (listDirectoryContent_ &&
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fs::exists(p) &&
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fs::is_directory(p))
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{
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OutputDirectoryContent(output, headers, uri, p);
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}
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else
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{
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output.SendStatus(HttpStatus_404_NotFound);
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}
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return true;
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}
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}
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