Mercurial > hg > orthanc
diff OrthancServer/Plugins/Samples/WebSkeleton/Framework/Plugin.cpp @ 4044:d25f4c0fa160 framework
splitting code into OrthancFramework and OrthancServer
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Wed, 10 Jun 2020 20:30:34 +0200 |
parents | Plugins/Samples/WebSkeleton/Framework/Plugin.cpp@94f4a18a79cc |
children | d9473bd5ed43 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancServer/Plugins/Samples/WebSkeleton/Framework/Plugin.cpp Wed Jun 10 20:30:34 2020 +0200 @@ -0,0 +1,272 @@ +/** + * 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. + * + * 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 "../Configuration.h" + +#include <orthanc/OrthancCPlugin.h> +#include <string> +#include <stdexcept> +#include <algorithm> +#include <sys/stat.h> + +#if ORTHANC_PLUGIN_STANDALONE == 1 +// This is an auto-generated file for standalone builds +#include <EmbeddedResources.h> +#endif + +static OrthancPluginContext* context = NULL; + + +static const char* GetMimeType(const std::string& path) +{ + size_t dot = path.find_last_of('.'); + + std::string extension = (dot == std::string::npos) ? "" : path.substr(dot); + std::transform(extension.begin(), extension.end(), extension.begin(), tolower); + + if (extension == ".html") + { + return "text/html"; + } + else if (extension == ".css") + { + return "text/css"; + } + else if (extension == ".js") + { + return "application/javascript"; + } + else if (extension == ".gif") + { + return "image/gif"; + } + else if (extension == ".json") + { + return "application/json"; + } + else if (extension == ".xml") + { + return "application/xml"; + } + else if (extension == ".wasm") + { + return "application/wasm"; + } + else if (extension == ".png") + { + return "image/png"; + } + else if (extension == ".jpg" || extension == ".jpeg") + { + return "image/jpeg"; + } + else + { + std::string s = "Unknown MIME type for extension: " + extension; + OrthancPluginLogWarning(context, s.c_str()); + return "application/octet-stream"; + } +} + + +static bool ReadFile(std::string& content, + const std::string& path) +{ + struct stat s; + if (stat(path.c_str(), &s) != 0 || + !(s.st_mode & S_IFREG)) + { + // Either the path does not exist, or it is not a regular file + return false; + } + + FILE* fp = fopen(path.c_str(), "rb"); + if (fp == NULL) + { + return false; + } + + long size; + + if (fseek(fp, 0, SEEK_END) == -1 || + (size = ftell(fp)) < 0) + { + fclose(fp); + return false; + } + + content.resize(size); + + if (fseek(fp, 0, SEEK_SET) == -1) + { + fclose(fp); + return false; + } + + bool ok = true; + + if (size > 0 && + fread(&content[0], size, 1, fp) != 1) + { + ok = false; + } + + fclose(fp); + + return ok; +} + + +#if ORTHANC_PLUGIN_STANDALONE == 1 +static OrthancPluginErrorCode ServeStaticResource(OrthancPluginRestOutput* output, + const char* url, + const OrthancPluginHttpRequest* request) +{ + if (request->method != OrthancPluginHttpMethod_Get) + { + OrthancPluginSendMethodNotAllowed(context, output, "GET"); + return OrthancPluginErrorCode_Success; + } + + std::string path = "/" + std::string(request->groups[0]); + const char* mime = GetMimeType(path); + + try + { + std::string s; + Orthanc::EmbeddedResources::GetDirectoryResource + (s, Orthanc::EmbeddedResources::STATIC_RESOURCES, path.c_str()); + + const char* resource = s.size() ? s.c_str() : NULL; + OrthancPluginAnswerBuffer(context, output, resource, s.size(), mime); + } + catch (std::runtime_error&) + { + std::string s = "Unknown static resource in plugin: " + std::string(request->groups[0]); + OrthancPluginLogError(context, s.c_str()); + OrthancPluginSendHttpStatusCode(context, output, 404); + } + + return OrthancPluginErrorCode_Success; +} +#endif + + +#if ORTHANC_PLUGIN_STANDALONE == 0 +static OrthancPluginErrorCode ServeFolder(OrthancPluginRestOutput* output, + const char* url, + const OrthancPluginHttpRequest* request) +{ + if (request->method != OrthancPluginHttpMethod_Get) + { + OrthancPluginSendMethodNotAllowed(context, output, "GET"); + return OrthancPluginErrorCode_Success; + } + + std::string path = ORTHANC_PLUGIN_RESOURCES_ROOT "/" + std::string(request->groups[0]); + const char* mime = GetMimeType(path); + + std::string s; + if (ReadFile(s, path)) + { + const char* resource = s.size() ? s.c_str() : NULL; + OrthancPluginAnswerBuffer(context, output, resource, s.size(), mime); + } + else + { + std::string s = "Unknown static resource in plugin: " + std::string(request->groups[0]); + OrthancPluginLogError(context, s.c_str()); + OrthancPluginSendHttpStatusCode(context, output, 404); + } + + return OrthancPluginErrorCode_Success; +} +#endif + + +static OrthancPluginErrorCode RedirectRoot(OrthancPluginRestOutput* output, + const char* url, + const OrthancPluginHttpRequest* request) +{ + if (request->method != OrthancPluginHttpMethod_Get) + { + OrthancPluginSendMethodNotAllowed(context, output, "GET"); + } + else + { + OrthancPluginRedirect(context, output, ORTHANC_PLUGIN_WEB_ROOT "index.html"); + } + + return OrthancPluginErrorCode_Success; +} + + +extern "C" +{ + ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* c) + { + context = c; + + /* Check the version of the Orthanc core */ + if (OrthancPluginCheckVersion(c) == 0) + { + char info[256]; + sprintf(info, "Your version of Orthanc (%s) must be above %d.%d.%d to run this plugin", + c->orthancVersion, + ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER, + ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER, + ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER); + OrthancPluginLogError(context, info); + return -1; + } + + /* Register the callbacks */ + +#if ORTHANC_PLUGIN_STANDALONE == 1 + OrthancPluginLogInfo(context, "Serving static resources (standalone build)"); + OrthancPluginRegisterRestCallback(context, ORTHANC_PLUGIN_WEB_ROOT "(.*)", ServeStaticResource); +#else + OrthancPluginLogInfo(context, "Serving resources from folder: " ORTHANC_PLUGIN_RESOURCES_ROOT); + OrthancPluginRegisterRestCallback(context, ORTHANC_PLUGIN_WEB_ROOT "(.*)", ServeFolder); +#endif + + OrthancPluginRegisterRestCallback(context, "/", RedirectRoot); + + return 0; + } + + + ORTHANC_PLUGINS_API void OrthancPluginFinalize() + { + } + + + ORTHANC_PLUGINS_API const char* OrthancPluginGetName() + { + return ORTHANC_PLUGIN_NAME; + } + + + ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion() + { + return ORTHANC_PLUGIN_VERSION; + } +}