mirror of https://github.com/kiwix/libkiwix.git
Move internalServer code into its own source files.
This commit is contained in:
Matthieu Gautier
parent
a819d9e3e0
commit
a0bdc0821c
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@ -24,7 +24,8 @@ kiwix_sources = [
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'server/byte_range.cpp',
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'server/etag.cpp',
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'server/request_context.cpp',
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'server/response.cpp'
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'server/response.cpp',
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'server/internalServer.cpp'
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]
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kiwix_sources += lib_resources
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908
src/server.cpp
908
src/server.cpp
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@ -19,140 +19,15 @@
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#include "server.h"
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#ifdef _WIN32
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# if !defined(__MINGW32__) && (_MSC_VER < 1600)
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# include "stdint4win.h"
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# endif
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# include <winsock2.h>
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# include <ws2tcpip.h>
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# ifdef __GNUC__
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// inet_pton is not declared in mingw, even if the function exists.
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extern "C" {
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WINSOCK_API_LINKAGE INT WSAAPI inet_pton( INT Family, PCSTR pszAddrString, PVOID pAddrBuf);
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}
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# endif
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typedef UINT64 uint64_t;
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typedef UINT16 uint16_t;
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#endif
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extern "C" {
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#include "microhttpd_wrapper.h"
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}
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#include "tools/otherTools.h"
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#include "tools/pathTools.h"
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#include "tools/regexTools.h"
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#include "tools/stringTools.h"
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#include "library.h"
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#include "name_mapper.h"
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#include "entry.h"
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#include "searcher.h"
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#include "search_renderer.h"
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#include "opds_dumper.h"
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#include <zim/uuid.h>
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#include <mustache.hpp>
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#include <pthread.h>
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#include <atomic>
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#include <string>
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#include <vector>
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#include <chrono>
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#include "kiwixlib-resources.h"
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#ifndef _WIN32
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# include <arpa/inet.h>
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#endif
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#include "server/request_context.h"
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#include "server/response.h"
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#define MAX_SEARCH_LEN 140
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#define KIWIX_MIN_CONTENT_SIZE_TO_DEFLATE 100
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#include "server/internalServer.h"
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namespace kiwix {
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static IdNameMapper defaultNameMapper;
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typedef kainjow::mustache::data MustacheData;
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static MHD_Result staticHandlerCallback(void* cls,
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struct MHD_Connection* connection,
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const char* url,
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const char* method,
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const char* version,
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const char* upload_data,
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size_t* upload_data_size,
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void** cont_cls);
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class InternalServer {
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public:
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InternalServer(Library* library,
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NameMapper* nameMapper,
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std::string addr,
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int port,
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std::string root,
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int nbThreads,
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bool verbose,
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bool withTaskbar,
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bool withLibraryButton,
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bool blockExternalLinks);
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virtual ~InternalServer() = default;
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MHD_Result handlerCallback(struct MHD_Connection* connection,
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const char* url,
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const char* method,
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const char* version,
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const char* upload_data,
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size_t* upload_data_size,
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void** cont_cls);
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bool start();
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void stop();
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private: // functions
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std::unique_ptr<Response> handle_request(const RequestContext& request);
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std::unique_ptr<Response> build_500(const std::string& msg);
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std::unique_ptr<Response> build_404(const RequestContext& request, const std::string& zimName);
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std::unique_ptr<Response> build_304(const RequestContext& request, const ETag& etag) const;
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std::unique_ptr<Response> build_redirect(const std::string& bookName, const kiwix::Entry& entry) const;
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std::unique_ptr<Response> build_homepage(const RequestContext& request);
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std::unique_ptr<Response> handle_skin(const RequestContext& request);
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std::unique_ptr<Response> handle_catalog(const RequestContext& request);
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std::unique_ptr<Response> handle_meta(const RequestContext& request);
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std::unique_ptr<Response> handle_search(const RequestContext& request);
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std::unique_ptr<Response> handle_suggest(const RequestContext& request);
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std::unique_ptr<Response> handle_random(const RequestContext& request);
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std::unique_ptr<Response> handle_captured_external(const RequestContext& request);
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std::unique_ptr<Response> handle_content(const RequestContext& request);
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MustacheData get_default_data() const;
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MustacheData homepage_data() const;
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std::unique_ptr<Response> get_default_response() const;
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std::shared_ptr<Reader> get_reader(const std::string& bookName) const;
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bool etag_not_needed(const RequestContext& r) const;
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ETag get_matching_if_none_match_etag(const RequestContext& request) const;
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private: // data
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std::string m_addr;
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int m_port;
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std::string m_root;
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int m_nbThreads;
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std::atomic_bool m_verbose;
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bool m_withTaskbar;
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bool m_withLibraryButton;
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bool m_blockExternalLinks;
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struct MHD_Daemon* mp_daemon;
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Library* mp_library;
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NameMapper* mp_nameMapper;
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std::string m_server_id;
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};
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Server::Server(Library* library, NameMapper* nameMapper) :
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mp_library(library),
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mp_nameMapper(nameMapper),
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@ -193,785 +68,4 @@ void Server::setRoot(const std::string& root)
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}
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}
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InternalServer::InternalServer(Library* library,
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NameMapper* nameMapper,
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std::string addr,
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int port,
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std::string root,
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int nbThreads,
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bool verbose,
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bool withTaskbar,
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bool withLibraryButton,
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bool blockExternalLinks) :
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m_addr(addr),
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m_port(port),
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m_root(root),
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m_nbThreads(nbThreads),
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m_verbose(verbose),
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m_withTaskbar(withTaskbar),
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m_withLibraryButton(withLibraryButton),
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m_blockExternalLinks(blockExternalLinks),
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mp_daemon(nullptr),
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mp_library(library),
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mp_nameMapper(nameMapper ? nameMapper : &defaultNameMapper)
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{}
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bool InternalServer::start() {
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#ifdef _WIN32
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int flags = MHD_USE_SELECT_INTERNALLY;
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#else
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int flags = MHD_USE_POLL_INTERNALLY;
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#endif
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if (m_verbose.load())
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flags |= MHD_USE_DEBUG;
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struct sockaddr_in sockAddr;
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memset(&sockAddr, 0, sizeof(sockAddr));
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sockAddr.sin_family = AF_INET;
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sockAddr.sin_port = htons(m_port);
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if (m_addr.empty()) {
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if (0 != INADDR_ANY)
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sockAddr.sin_addr.s_addr = htonl(INADDR_ANY);
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} else {
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if (inet_pton(AF_INET, m_addr.c_str(), &(sockAddr.sin_addr.s_addr)) == 0) {
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std::cerr << "Ip address " << m_addr << " is not a valid ip address" << std::endl;
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return false;
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}
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}
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mp_daemon = MHD_start_daemon(flags,
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m_port,
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NULL,
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NULL,
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&staticHandlerCallback,
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this,
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MHD_OPTION_SOCK_ADDR, &sockAddr,
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MHD_OPTION_THREAD_POOL_SIZE, m_nbThreads,
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MHD_OPTION_END);
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if (mp_daemon == nullptr) {
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std::cerr << "Unable to instantiate the HTTP daemon. The port " << m_port
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<< " is maybe already occupied or need more permissions to be open. "
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"Please try as root or with a port number higher or equal to 1024."
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<< std::endl;
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return false;
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}
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auto server_start_time = std::chrono::system_clock::now().time_since_epoch();
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m_server_id = kiwix::to_string(server_start_time.count());
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return true;
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}
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void InternalServer::stop()
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{
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MHD_stop_daemon(mp_daemon);
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}
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static MHD_Result staticHandlerCallback(void* cls,
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struct MHD_Connection* connection,
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const char* url,
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const char* method,
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const char* version,
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const char* upload_data,
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size_t* upload_data_size,
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void** cont_cls)
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{
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InternalServer* _this = static_cast<InternalServer*>(cls);
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return _this->handlerCallback(connection,
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url,
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method,
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version,
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upload_data,
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upload_data_size,
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cont_cls);
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}
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MHD_Result InternalServer::handlerCallback(struct MHD_Connection* connection,
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const char* url,
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const char* method,
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const char* version,
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const char* upload_data,
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size_t* upload_data_size,
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void** cont_cls)
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{
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auto start_time = std::chrono::steady_clock::now();
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if (m_verbose.load() ) {
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printf("======================\n");
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printf("Requesting : \n");
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printf("full_url : %s\n", url);
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}
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RequestContext request(connection, m_root, url, method, version);
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if (m_verbose.load() ) {
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request.print_debug_info();
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}
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/* Unexpected method */
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if (request.get_method() != RequestMethod::GET
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&& request.get_method() != RequestMethod::POST
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&& request.get_method() != RequestMethod::HEAD) {
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printf("Reject request because of unhandled request method.\n");
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printf("----------------------\n");
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return MHD_NO;
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}
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auto response = handle_request(request);
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if (response->getReturnCode() == MHD_HTTP_INTERNAL_SERVER_ERROR) {
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printf("========== INTERNAL ERROR !! ============\n");
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if (!m_verbose.load()) {
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printf("Requesting : \n");
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printf("full_url : %s\n", url);
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request.print_debug_info();
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}
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}
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if (response->getReturnCode() == MHD_HTTP_OK && !etag_not_needed(request))
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response->set_server_id(m_server_id);
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auto ret = response->send(request, connection);
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auto end_time = std::chrono::steady_clock::now();
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auto time_span = std::chrono::duration_cast<std::chrono::duration<double>>(end_time - start_time);
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if (m_verbose.load()) {
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printf("Request time : %fs\n", time_span.count());
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printf("----------------------\n");
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}
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return ret;
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}
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std::unique_ptr<Response> InternalServer::build_304(const RequestContext& request, const ETag& etag) const
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{
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auto response = get_default_response();
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response->set_code(MHD_HTTP_NOT_MODIFIED);
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response->set_etag(etag);
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response->set_content("");
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return response;
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}
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std::unique_ptr<Response> InternalServer::handle_request(const RequestContext& request)
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{
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try {
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if (! request.is_valid_url())
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return build_404(request, "");
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const ETag etag = get_matching_if_none_match_etag(request);
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if ( etag )
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return build_304(request, etag);
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if (kiwix::startsWith(request.get_url(), "/skin/"))
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return handle_skin(request);
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if (startsWith(request.get_url(), "/catalog"))
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return handle_catalog(request);
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if (request.get_url() == "/meta")
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return handle_meta(request);
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if (request.get_url() == "/search")
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return handle_search(request);
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if (request.get_url() == "/suggest")
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return handle_suggest(request);
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if (request.get_url() == "/random")
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return handle_random(request);
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if (request.get_url() == "/catch/external")
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return handle_captured_external(request);
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return handle_content(request);
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} catch (std::exception& e) {
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fprintf(stderr, "===== Unhandled error : %s\n", e.what());
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return build_500(e.what());
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} catch (...) {
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fprintf(stderr, "===== Unhandled unknown error\n");
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return build_500("Unknown error");
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}
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}
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MustacheData InternalServer::get_default_data() const
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{
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MustacheData data;
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data.set("root", m_root);
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return data;
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}
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std::unique_ptr<Response> InternalServer::get_default_response() const
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{
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return std::unique_ptr<Response>(new Response(
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m_root,
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m_verbose.load(),
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m_withTaskbar,
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m_withLibraryButton,
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m_blockExternalLinks));
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}
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std::unique_ptr<Response> InternalServer::build_404(const RequestContext& request,
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const std::string& bookName)
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{
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MustacheData results;
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results.set("url", request.get_full_url());
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auto response = get_default_response();
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response->set_template(RESOURCE::templates::_404_html, results);
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response->set_mimeType("text/html");
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response->set_code(MHD_HTTP_NOT_FOUND);
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response->set_compress(true);
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response->set_taskbar(bookName, "");
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return response;
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}
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std::unique_ptr<Response> InternalServer::build_500(const std::string& msg)
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{
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MustacheData data;
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data.set("error", msg);
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std::unique_ptr<Response> response(
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new Response(m_root, true, false, false, false));
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response->set_template(RESOURCE::templates::_500_html, data);
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response->set_mimeType("text/html");
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response->set_code(MHD_HTTP_INTERNAL_SERVER_ERROR);
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return response;
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}
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MustacheData InternalServer::homepage_data() const
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{
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auto data = get_default_data();
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MustacheData books{MustacheData::type::list};
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for (auto& bookId: mp_library->filter(kiwix::Filter().local(true).valid(true))) {
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auto& currentBook = mp_library->getBookById(bookId);
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MustacheData book;
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book.set("name", mp_nameMapper->getNameForId(bookId));
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book.set("title", currentBook.getTitle());
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book.set("description", currentBook.getDescription());
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book.set("articleCount", beautifyInteger(currentBook.getArticleCount()));
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book.set("mediaCount", beautifyInteger(currentBook.getMediaCount()));
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books.push_back(book);
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}
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data.set("books", books);
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return data;
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}
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bool InternalServer::etag_not_needed(const RequestContext& request) const
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{
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const std::string url = request.get_url();
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return kiwix::startsWith(url, "/catalog")
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|| url == "/search"
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|| url == "/suggest"
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|| url == "/random"
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|| url == "/catch/external";
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}
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ETag
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InternalServer::get_matching_if_none_match_etag(const RequestContext& r) const
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{
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try {
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const std::string etag_list = r.get_header(MHD_HTTP_HEADER_IF_NONE_MATCH);
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return ETag::match(etag_list, m_server_id);
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} catch (const std::out_of_range&) {
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return ETag();
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}
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}
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std::unique_ptr<Response> InternalServer::build_homepage(const RequestContext& request)
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{
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auto response = get_default_response();
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response->set_template(RESOURCE::templates::index_html, homepage_data());
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response->set_mimeType("text/html; charset=utf-8");
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response->set_compress(true);
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return response;
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}
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std::unique_ptr<Response> InternalServer::handle_meta(const RequestContext& request)
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{
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std::string bookName;
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std::string bookId;
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std::string meta_name;
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std::shared_ptr<Reader> reader;
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try {
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bookName = request.get_argument("content");
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bookId = mp_nameMapper->getIdForName(bookName);
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meta_name = request.get_argument("name");
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reader = mp_library->getReaderById(bookId);
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} catch (const std::out_of_range& e) {
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return build_404(request, bookName);
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}
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if (reader == nullptr) {
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return build_404(request, bookName);
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}
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std::string content;
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std::string mimeType = "text";
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if (meta_name == "title") {
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content = reader->getTitle();
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} else if (meta_name == "description") {
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content = reader->getDescription();
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} else if (meta_name == "language") {
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content = reader->getLanguage();
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} else if (meta_name == "name") {
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content = reader->getName();
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} else if (meta_name == "tags") {
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content = reader->getTags();
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} else if (meta_name == "date") {
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content = reader->getDate();
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} else if (meta_name == "creator") {
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content = reader->getCreator();
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} else if (meta_name == "publisher") {
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content = reader->getPublisher();
|
||||
} else if (meta_name == "favicon") {
|
||||
reader->getFavicon(content, mimeType);
|
||||
} else {
|
||||
return build_404(request, bookName);
|
||||
}
|
||||
|
||||
auto response = get_default_response();
|
||||
response->set_content(content);
|
||||
response->set_mimeType(mimeType);
|
||||
response->set_compress(false);
|
||||
response->set_cacheable();
|
||||
return response;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::handle_suggest(const RequestContext& request)
|
||||
{
|
||||
if (m_verbose.load()) {
|
||||
printf("** running handle_suggest\n");
|
||||
}
|
||||
|
||||
std::string content;
|
||||
std::string mimeType;
|
||||
unsigned int maxSuggestionCount = 10;
|
||||
unsigned int suggestionCount = 0;
|
||||
|
||||
std::string bookName;
|
||||
std::string bookId;
|
||||
std::string term;
|
||||
std::shared_ptr<Reader> reader;
|
||||
try {
|
||||
bookName = request.get_argument("content");
|
||||
bookId = mp_nameMapper->getIdForName(bookName);
|
||||
term = request.get_argument("term");
|
||||
reader = mp_library->getReaderById(bookId);
|
||||
} catch (const std::out_of_range&) {
|
||||
return build_404(request, bookName);
|
||||
}
|
||||
|
||||
if (m_verbose.load()) {
|
||||
printf("Searching suggestions for: \"%s\"\n", term.c_str());
|
||||
}
|
||||
|
||||
MustacheData results{MustacheData::type::list};
|
||||
|
||||
bool first = true;
|
||||
if (reader != nullptr) {
|
||||
/* Get the suggestions */
|
||||
SuggestionsList_t suggestions;
|
||||
reader->searchSuggestionsSmart(term, maxSuggestionCount, suggestions);
|
||||
for(auto& suggestion:suggestions) {
|
||||
MustacheData result;
|
||||
result.set("label", suggestion[0]);
|
||||
result.set("value", suggestion[0]);
|
||||
result.set("first", first);
|
||||
first = false;
|
||||
results.push_back(result);
|
||||
suggestionCount++;
|
||||
}
|
||||
}
|
||||
|
||||
/* Propose the fulltext search if possible */
|
||||
if (reader->hasFulltextIndex()) {
|
||||
MustacheData result;
|
||||
result.set("label", "containing '" + term + "'...");
|
||||
result.set("value", term + " ");
|
||||
result.set("first", first);
|
||||
results.push_back(result);
|
||||
}
|
||||
|
||||
auto data = get_default_data();
|
||||
data.set("suggestions", results);
|
||||
|
||||
auto response = get_default_response();
|
||||
response->set_template(RESOURCE::templates::suggestion_json, data);
|
||||
response->set_mimeType("application/json; charset=utf-8");
|
||||
response->set_compress(true);
|
||||
return response;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::handle_skin(const RequestContext& request)
|
||||
{
|
||||
if (m_verbose.load()) {
|
||||
printf("** running handle_skin\n");
|
||||
}
|
||||
|
||||
auto response = get_default_response();
|
||||
auto resourceName = request.get_url().substr(1);
|
||||
try {
|
||||
response->set_content(getResource(resourceName));
|
||||
} catch (const ResourceNotFound& e) {
|
||||
return build_404(request, "");
|
||||
}
|
||||
response->set_mimeType(getMimeTypeForFile(resourceName));
|
||||
response->set_compress(true);
|
||||
response->set_cacheable();
|
||||
return response;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::handle_search(const RequestContext& request)
|
||||
{
|
||||
if (m_verbose.load()) {
|
||||
printf("** running handle_search\n");
|
||||
}
|
||||
|
||||
std::string bookName;
|
||||
std::string bookId;
|
||||
try {
|
||||
bookName = request.get_argument("content");
|
||||
bookId = mp_nameMapper->getIdForName(bookName);
|
||||
} catch (const std::out_of_range&) {}
|
||||
|
||||
std::string patternString;
|
||||
try {
|
||||
patternString = request.get_argument("pattern");
|
||||
} catch (const std::out_of_range&) {}
|
||||
|
||||
/* Retrive geo search */
|
||||
bool has_geo_query = false;
|
||||
float latitude = 0;
|
||||
float longitude = 0;
|
||||
float distance = 0;
|
||||
try {
|
||||
latitude = request.get_argument<float>("latitude");
|
||||
longitude = request.get_argument<float>("longitude");
|
||||
distance = request.get_argument<float>("distance");
|
||||
has_geo_query = true;
|
||||
} catch(const std::out_of_range&) {}
|
||||
catch(const std::invalid_argument&) {}
|
||||
|
||||
std::shared_ptr<Reader> reader(nullptr);
|
||||
try {
|
||||
reader = mp_library->getReaderById(bookId);
|
||||
} catch (const std::out_of_range&) {}
|
||||
|
||||
/* Try first to load directly the article */
|
||||
if (reader != nullptr && !patternString.empty()) {
|
||||
std::string patternCorrespondingUrl;
|
||||
auto variants = reader->getTitleVariants(patternString);
|
||||
auto variantsItr = variants.begin();
|
||||
|
||||
while (patternCorrespondingUrl.empty() && variantsItr != variants.end()) {
|
||||
try {
|
||||
auto entry = reader->getEntryFromTitle(*variantsItr);
|
||||
entry = entry.getFinalEntry();
|
||||
patternCorrespondingUrl = entry.getPath();
|
||||
break;
|
||||
} catch(kiwix::NoEntry& e) {
|
||||
variantsItr++;
|
||||
}
|
||||
}
|
||||
|
||||
/* If article found then redirect directly to it */
|
||||
if (!patternCorrespondingUrl.empty()) {
|
||||
auto response = get_default_response();
|
||||
response->set_redirection(m_root + "/" + bookName + "/" + patternCorrespondingUrl);
|
||||
return response;
|
||||
}
|
||||
}
|
||||
|
||||
/* Make the search */
|
||||
auto response = get_default_response();
|
||||
response->set_mimeType("text/html; charset=utf-8");
|
||||
response->set_taskbar(bookName, reader ? reader->getTitle() : "");
|
||||
response->set_compress(true);
|
||||
|
||||
if ( (!reader && !bookName.empty())
|
||||
|| (patternString.empty() && ! has_geo_query) ) {
|
||||
auto data = get_default_data();
|
||||
data.set("pattern", encodeDiples(patternString));
|
||||
response->set_template(RESOURCE::templates::no_search_result_html, data);
|
||||
response->set_code(MHD_HTTP_NOT_FOUND);
|
||||
return response;
|
||||
}
|
||||
|
||||
Searcher searcher;
|
||||
if (reader) {
|
||||
searcher.add_reader(reader.get());
|
||||
} else {
|
||||
for (auto& bookId: mp_library->filter(kiwix::Filter().local(true).valid(true))) {
|
||||
auto currentReader = mp_library->getReaderById(bookId);
|
||||
if (currentReader) {
|
||||
searcher.add_reader(currentReader.get());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
auto start = 0;
|
||||
try {
|
||||
start = request.get_argument<unsigned int>("start");
|
||||
} catch (const std::exception&) {}
|
||||
auto pageLength=25;
|
||||
try{
|
||||
pageLength=request.get_argument<unsigned int>("pageLength");
|
||||
}catch(const std::exception&){}
|
||||
if (pageLength > MAX_SEARCH_LEN) {
|
||||
pageLength = MAX_SEARCH_LEN;
|
||||
}
|
||||
|
||||
if(pageLength==0)
|
||||
{
|
||||
pageLength=25;
|
||||
}
|
||||
|
||||
auto end=start+pageLength;
|
||||
|
||||
/* Get the results */
|
||||
try {
|
||||
if (patternString.empty()) {
|
||||
searcher.geo_search(latitude, longitude, distance,
|
||||
start, end , m_verbose.load());
|
||||
} else {
|
||||
searcher.search(patternString,
|
||||
start, end , m_verbose.load());
|
||||
}
|
||||
SearchRenderer renderer(&searcher, mp_nameMapper);
|
||||
renderer.setSearchPattern(patternString);
|
||||
renderer.setSearchContent(bookName);
|
||||
renderer.setProtocolPrefix(m_root + "/");
|
||||
renderer.setSearchProtocolPrefix(m_root + "/search?");
|
||||
renderer.setPageLength(pageLength);
|
||||
response->set_content(renderer.getHtml());
|
||||
} catch (const std::exception& e) {
|
||||
std::cerr << e.what() << std::endl;
|
||||
}
|
||||
|
||||
//changing status code if no result obtained
|
||||
if(searcher.getEstimatedResultCount() == 0)
|
||||
{
|
||||
response.set_code(MHD_HTTP_NO_CONTENT);
|
||||
}
|
||||
|
||||
return response;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::handle_random(const RequestContext& request)
|
||||
{
|
||||
if (m_verbose.load()) {
|
||||
printf("** running handle_random\n");
|
||||
}
|
||||
|
||||
std::string bookName;
|
||||
std::string bookId;
|
||||
std::shared_ptr<Reader> reader;
|
||||
try {
|
||||
bookName = request.get_argument("content");
|
||||
bookId = mp_nameMapper->getIdForName(bookName);
|
||||
reader = mp_library->getReaderById(bookId);
|
||||
} catch (const std::out_of_range&) {
|
||||
return build_404(request, bookName);
|
||||
}
|
||||
|
||||
if (reader == nullptr) {
|
||||
return build_404(request, bookName);
|
||||
}
|
||||
|
||||
try {
|
||||
auto entry = reader->getRandomPage();
|
||||
return build_redirect(bookName, entry.getFinalEntry());
|
||||
} catch(kiwix::NoEntry& e) {
|
||||
return build_404(request, bookName);
|
||||
}
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::handle_captured_external(const RequestContext& request)
|
||||
{
|
||||
std::string source = "";
|
||||
try {
|
||||
source = kiwix::urlDecode(request.get_argument("source"));
|
||||
} catch (const std::out_of_range& e) {}
|
||||
|
||||
if (source.empty())
|
||||
return build_404(request, "");
|
||||
|
||||
auto data = get_default_data();
|
||||
data.set("source", source);
|
||||
auto response = get_default_response();
|
||||
response->set_template(RESOURCE::templates::captured_external_html, data);
|
||||
response->set_mimeType("text/html; charset=utf-8");
|
||||
response->set_compress(true);
|
||||
return response;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::handle_catalog(const RequestContext& request)
|
||||
{
|
||||
if (m_verbose.load()) {
|
||||
printf("** running handle_catalog");
|
||||
}
|
||||
|
||||
std::string host;
|
||||
std::string url;
|
||||
try {
|
||||
host = request.get_header("Host");
|
||||
url = request.get_url_part(1);
|
||||
} catch (const std::out_of_range&) {
|
||||
return build_404(request, "");
|
||||
}
|
||||
|
||||
if (url != "searchdescription.xml" && url != "root.xml" && url != "search") {
|
||||
return build_404(request, "");
|
||||
}
|
||||
|
||||
auto response = get_default_response();
|
||||
response->set_compress(true);
|
||||
if (url == "searchdescription.xml") {
|
||||
response->set_template(RESOURCE::opensearchdescription_xml, get_default_data());
|
||||
response->set_mimeType("application/opensearchdescription+xml");
|
||||
return response;
|
||||
}
|
||||
|
||||
zim::Uuid uuid;
|
||||
kiwix::OPDSDumper opdsDumper;
|
||||
opdsDumper.setRootLocation(m_root);
|
||||
opdsDumper.setSearchDescriptionUrl("catalog/searchdescription.xml");
|
||||
opdsDumper.setLibrary(mp_library);
|
||||
response->set_mimeType("application/atom+xml; profile=opds-catalog; kind=acquisition; charset=utf-8");
|
||||
std::vector<std::string> bookIdsToDump;
|
||||
if (url == "root.xml") {
|
||||
opdsDumper.setTitle("All zims");
|
||||
uuid = zim::Uuid::generate(host);
|
||||
bookIdsToDump = mp_library->filter(kiwix::Filter().valid(true).local(true).remote(true));
|
||||
} else if (url == "search") {
|
||||
auto filter = kiwix::Filter().valid(true).local(true).remote(true);
|
||||
string query("<Empty query>");
|
||||
size_t count(10);
|
||||
size_t startIndex(0);
|
||||
try {
|
||||
query = request.get_argument("q");
|
||||
filter.query(query);
|
||||
} catch (const std::out_of_range&) {}
|
||||
try {
|
||||
filter.maxSize(extractFromString<unsigned long>(request.get_argument("maxsize")));
|
||||
} catch (...) {}
|
||||
try {
|
||||
filter.name(request.get_argument("name"));
|
||||
} catch (const std::out_of_range&) {}
|
||||
try {
|
||||
filter.lang(request.get_argument("lang"));
|
||||
} catch (const std::out_of_range&) {}
|
||||
try {
|
||||
count = extractFromString<unsigned long>(request.get_argument("count"));
|
||||
} catch (...) {}
|
||||
try {
|
||||
startIndex = extractFromString<unsigned long>(request.get_argument("start"));
|
||||
} catch (...) {}
|
||||
try {
|
||||
filter.acceptTags(kiwix::split(request.get_argument("tag"), ";"));
|
||||
} catch (...) {}
|
||||
try {
|
||||
filter.rejectTags(kiwix::split(request.get_argument("notag"), ";"));
|
||||
} catch (...) {}
|
||||
opdsDumper.setTitle("Search result for " + query);
|
||||
uuid = zim::Uuid::generate();
|
||||
bookIdsToDump = mp_library->filter(filter);
|
||||
auto totalResults = bookIdsToDump.size();
|
||||
bookIdsToDump.erase(bookIdsToDump.begin(), bookIdsToDump.begin()+startIndex);
|
||||
if (count>0 && bookIdsToDump.size() > count) {
|
||||
bookIdsToDump.resize(count);
|
||||
}
|
||||
opdsDumper.setOpenSearchInfo(totalResults, startIndex, bookIdsToDump.size());
|
||||
}
|
||||
|
||||
opdsDumper.setId(kiwix::to_string(uuid));
|
||||
response->set_content(opdsDumper.dumpOPDSFeed(bookIdsToDump));
|
||||
return response;
|
||||
}
|
||||
|
||||
namespace
|
||||
{
|
||||
|
||||
std::string get_book_name(const RequestContext& request)
|
||||
{
|
||||
try {
|
||||
return request.get_url_part(0);
|
||||
} catch (const std::out_of_range& e) {
|
||||
return std::string();
|
||||
}
|
||||
}
|
||||
|
||||
} // unnamed namespace
|
||||
|
||||
std::shared_ptr<Reader>
|
||||
InternalServer::get_reader(const std::string& bookName) const
|
||||
{
|
||||
std::shared_ptr<Reader> reader;
|
||||
try {
|
||||
const std::string bookId = mp_nameMapper->getIdForName(bookName);
|
||||
reader = mp_library->getReaderById(bookId);
|
||||
} catch (const std::out_of_range& e) {
|
||||
}
|
||||
return reader;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response>
|
||||
InternalServer::build_redirect(const std::string& bookName, const kiwix::Entry& entry) const
|
||||
{
|
||||
auto response = get_default_response();
|
||||
response->set_redirection(m_root + "/" + bookName + "/" +
|
||||
kiwix::urlEncode(entry.getPath()));
|
||||
return response;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::handle_content(const RequestContext& request)
|
||||
{
|
||||
if (m_verbose.load()) {
|
||||
printf("** running handle_content\n");
|
||||
}
|
||||
|
||||
const std::string bookName = get_book_name(request);
|
||||
if (bookName.empty())
|
||||
return build_homepage(request);
|
||||
|
||||
const std::shared_ptr<Reader> reader = get_reader(bookName);
|
||||
if (reader == nullptr) {
|
||||
return build_404(request, bookName);
|
||||
}
|
||||
|
||||
auto urlStr = request.get_url().substr(bookName.size()+1);
|
||||
if (urlStr[0] == '/') {
|
||||
urlStr = urlStr.substr(1);
|
||||
}
|
||||
|
||||
kiwix::Entry entry;
|
||||
|
||||
try {
|
||||
entry = reader->getEntryFromPath(urlStr);
|
||||
if (entry.isRedirect() || urlStr.empty()) {
|
||||
// If urlStr is empty, we want to mainPage.
|
||||
// We must do a redirection to the real page.
|
||||
return build_redirect(bookName, entry.getFinalEntry());
|
||||
}
|
||||
} catch(kiwix::NoEntry& e) {
|
||||
if (m_verbose.load())
|
||||
printf("Failed to find %s\n", urlStr.c_str());
|
||||
|
||||
return build_404(request, bookName);
|
||||
}
|
||||
|
||||
auto response = get_default_response();
|
||||
|
||||
response->set_entry(entry, request);
|
||||
response->set_taskbar(bookName, reader->getTitle());
|
||||
|
||||
if (m_verbose.load()) {
|
||||
printf("Found %s\n", entry.getPath().c_str());
|
||||
printf("mimeType: %s\n", response->get_mimeType().c_str());
|
||||
}
|
||||
|
||||
return response;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,867 @@
|
|||
/*
|
||||
* Copyright 2019 Matthieu Gautier <mgautier@kymeria.fr>
|
||||
*
|
||||
* 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
|
||||
* 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, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
||||
* MA 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#include "internalServer.h"
|
||||
|
||||
#ifdef _WIN32
|
||||
# if !defined(__MINGW32__) && (_MSC_VER < 1600)
|
||||
# include "stdint4win.h"
|
||||
# endif
|
||||
# include <winsock2.h>
|
||||
# include <ws2tcpip.h>
|
||||
# ifdef __GNUC__
|
||||
// inet_pton is not declared in mingw, even if the function exists.
|
||||
extern "C" {
|
||||
WINSOCK_API_LINKAGE INT WSAAPI inet_pton( INT Family, PCSTR pszAddrString, PVOID pAddrBuf);
|
||||
}
|
||||
# endif
|
||||
typedef UINT64 uint64_t;
|
||||
typedef UINT16 uint16_t;
|
||||
#endif
|
||||
|
||||
extern "C" {
|
||||
#include "microhttpd_wrapper.h"
|
||||
}
|
||||
|
||||
#include "tools/otherTools.h"
|
||||
#include "tools/pathTools.h"
|
||||
#include "tools/regexTools.h"
|
||||
#include "tools/stringTools.h"
|
||||
#include "library.h"
|
||||
#include "name_mapper.h"
|
||||
#include "entry.h"
|
||||
#include "searcher.h"
|
||||
#include "search_renderer.h"
|
||||
#include "opds_dumper.h"
|
||||
|
||||
#include <zim/uuid.h>
|
||||
|
||||
#include <mustache.hpp>
|
||||
|
||||
#include <pthread.h>
|
||||
#include <atomic>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
#include <chrono>
|
||||
#include "kiwixlib-resources.h"
|
||||
|
||||
#ifndef _WIN32
|
||||
# include <arpa/inet.h>
|
||||
#endif
|
||||
|
||||
#include "request_context.h"
|
||||
#include "response.h"
|
||||
|
||||
#define MAX_SEARCH_LEN 140
|
||||
#define KIWIX_MIN_CONTENT_SIZE_TO_DEFLATE 100
|
||||
|
||||
namespace kiwix {
|
||||
|
||||
static IdNameMapper defaultNameMapper;
|
||||
|
||||
static MHD_Result staticHandlerCallback(void* cls,
|
||||
struct MHD_Connection* connection,
|
||||
const char* url,
|
||||
const char* method,
|
||||
const char* version,
|
||||
const char* upload_data,
|
||||
size_t* upload_data_size,
|
||||
void** cont_cls);
|
||||
|
||||
|
||||
InternalServer::InternalServer(Library* library,
|
||||
NameMapper* nameMapper,
|
||||
std::string addr,
|
||||
int port,
|
||||
std::string root,
|
||||
int nbThreads,
|
||||
bool verbose,
|
||||
bool withTaskbar,
|
||||
bool withLibraryButton,
|
||||
bool blockExternalLinks) :
|
||||
m_addr(addr),
|
||||
m_port(port),
|
||||
m_root(root),
|
||||
m_nbThreads(nbThreads),
|
||||
m_verbose(verbose),
|
||||
m_withTaskbar(withTaskbar),
|
||||
m_withLibraryButton(withLibraryButton),
|
||||
m_blockExternalLinks(blockExternalLinks),
|
||||
mp_daemon(nullptr),
|
||||
mp_library(library),
|
||||
mp_nameMapper(nameMapper ? nameMapper : &defaultNameMapper)
|
||||
{}
|
||||
|
||||
bool InternalServer::start() {
|
||||
#ifdef _WIN32
|
||||
int flags = MHD_USE_SELECT_INTERNALLY;
|
||||
#else
|
||||
int flags = MHD_USE_POLL_INTERNALLY;
|
||||
#endif
|
||||
if (m_verbose.load())
|
||||
flags |= MHD_USE_DEBUG;
|
||||
|
||||
|
||||
struct sockaddr_in sockAddr;
|
||||
memset(&sockAddr, 0, sizeof(sockAddr));
|
||||
sockAddr.sin_family = AF_INET;
|
||||
sockAddr.sin_port = htons(m_port);
|
||||
if (m_addr.empty()) {
|
||||
if (0 != INADDR_ANY)
|
||||
sockAddr.sin_addr.s_addr = htonl(INADDR_ANY);
|
||||
} else {
|
||||
if (inet_pton(AF_INET, m_addr.c_str(), &(sockAddr.sin_addr.s_addr)) == 0) {
|
||||
std::cerr << "Ip address " << m_addr << " is not a valid ip address" << std::endl;
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
mp_daemon = MHD_start_daemon(flags,
|
||||
m_port,
|
||||
NULL,
|
||||
NULL,
|
||||
&staticHandlerCallback,
|
||||
this,
|
||||
MHD_OPTION_SOCK_ADDR, &sockAddr,
|
||||
MHD_OPTION_THREAD_POOL_SIZE, m_nbThreads,
|
||||
MHD_OPTION_END);
|
||||
if (mp_daemon == nullptr) {
|
||||
std::cerr << "Unable to instantiate the HTTP daemon. The port " << m_port
|
||||
<< " is maybe already occupied or need more permissions to be open. "
|
||||
"Please try as root or with a port number higher or equal to 1024."
|
||||
<< std::endl;
|
||||
return false;
|
||||
}
|
||||
auto server_start_time = std::chrono::system_clock::now().time_since_epoch();
|
||||
m_server_id = kiwix::to_string(server_start_time.count());
|
||||
return true;
|
||||
}
|
||||
|
||||
void InternalServer::stop()
|
||||
{
|
||||
MHD_stop_daemon(mp_daemon);
|
||||
}
|
||||
|
||||
static MHD_Result staticHandlerCallback(void* cls,
|
||||
struct MHD_Connection* connection,
|
||||
const char* url,
|
||||
const char* method,
|
||||
const char* version,
|
||||
const char* upload_data,
|
||||
size_t* upload_data_size,
|
||||
void** cont_cls)
|
||||
{
|
||||
InternalServer* _this = static_cast<InternalServer*>(cls);
|
||||
|
||||
return _this->handlerCallback(connection,
|
||||
url,
|
||||
method,
|
||||
version,
|
||||
upload_data,
|
||||
upload_data_size,
|
||||
cont_cls);
|
||||
}
|
||||
|
||||
MHD_Result InternalServer::handlerCallback(struct MHD_Connection* connection,
|
||||
const char* url,
|
||||
const char* method,
|
||||
const char* version,
|
||||
const char* upload_data,
|
||||
size_t* upload_data_size,
|
||||
void** cont_cls)
|
||||
{
|
||||
auto start_time = std::chrono::steady_clock::now();
|
||||
if (m_verbose.load() ) {
|
||||
printf("======================\n");
|
||||
printf("Requesting : \n");
|
||||
printf("full_url : %s\n", url);
|
||||
}
|
||||
RequestContext request(connection, m_root, url, method, version);
|
||||
|
||||
if (m_verbose.load() ) {
|
||||
request.print_debug_info();
|
||||
}
|
||||
/* Unexpected method */
|
||||
if (request.get_method() != RequestMethod::GET
|
||||
&& request.get_method() != RequestMethod::POST
|
||||
&& request.get_method() != RequestMethod::HEAD) {
|
||||
printf("Reject request because of unhandled request method.\n");
|
||||
printf("----------------------\n");
|
||||
return MHD_NO;
|
||||
}
|
||||
|
||||
auto response = handle_request(request);
|
||||
|
||||
if (response->getReturnCode() == MHD_HTTP_INTERNAL_SERVER_ERROR) {
|
||||
printf("========== INTERNAL ERROR !! ============\n");
|
||||
if (!m_verbose.load()) {
|
||||
printf("Requesting : \n");
|
||||
printf("full_url : %s\n", url);
|
||||
request.print_debug_info();
|
||||
}
|
||||
}
|
||||
|
||||
if (response->getReturnCode() == MHD_HTTP_OK && !etag_not_needed(request))
|
||||
response->set_server_id(m_server_id);
|
||||
|
||||
auto ret = response->send(request, connection);
|
||||
auto end_time = std::chrono::steady_clock::now();
|
||||
auto time_span = std::chrono::duration_cast<std::chrono::duration<double>>(end_time - start_time);
|
||||
if (m_verbose.load()) {
|
||||
printf("Request time : %fs\n", time_span.count());
|
||||
printf("----------------------\n");
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::build_304(const RequestContext& request, const ETag& etag) const
|
||||
{
|
||||
auto response = get_default_response();
|
||||
response->set_code(MHD_HTTP_NOT_MODIFIED);
|
||||
response->set_etag(etag);
|
||||
response->set_content("");
|
||||
return response;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::handle_request(const RequestContext& request)
|
||||
{
|
||||
try {
|
||||
if (! request.is_valid_url())
|
||||
return build_404(request, "");
|
||||
|
||||
const ETag etag = get_matching_if_none_match_etag(request);
|
||||
if ( etag )
|
||||
return build_304(request, etag);
|
||||
|
||||
if (kiwix::startsWith(request.get_url(), "/skin/"))
|
||||
return handle_skin(request);
|
||||
|
||||
if (startsWith(request.get_url(), "/catalog"))
|
||||
return handle_catalog(request);
|
||||
|
||||
if (request.get_url() == "/meta")
|
||||
return handle_meta(request);
|
||||
|
||||
if (request.get_url() == "/search")
|
||||
return handle_search(request);
|
||||
|
||||
if (request.get_url() == "/suggest")
|
||||
return handle_suggest(request);
|
||||
|
||||
if (request.get_url() == "/random")
|
||||
return handle_random(request);
|
||||
|
||||
if (request.get_url() == "/catch/external")
|
||||
return handle_captured_external(request);
|
||||
|
||||
return handle_content(request);
|
||||
} catch (std::exception& e) {
|
||||
fprintf(stderr, "===== Unhandled error : %s\n", e.what());
|
||||
return build_500(e.what());
|
||||
} catch (...) {
|
||||
fprintf(stderr, "===== Unhandled unknown error\n");
|
||||
return build_500("Unknown error");
|
||||
}
|
||||
}
|
||||
|
||||
MustacheData InternalServer::get_default_data() const
|
||||
{
|
||||
MustacheData data;
|
||||
data.set("root", m_root);
|
||||
return data;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::get_default_response() const
|
||||
{
|
||||
return std::unique_ptr<Response>(new Response(
|
||||
m_root,
|
||||
m_verbose.load(),
|
||||
m_withTaskbar,
|
||||
m_withLibraryButton,
|
||||
m_blockExternalLinks));
|
||||
}
|
||||
|
||||
|
||||
std::unique_ptr<Response> InternalServer::build_404(const RequestContext& request,
|
||||
const std::string& bookName)
|
||||
{
|
||||
MustacheData results;
|
||||
results.set("url", request.get_full_url());
|
||||
|
||||
auto response = get_default_response();
|
||||
response->set_template(RESOURCE::templates::_404_html, results);
|
||||
response->set_mimeType("text/html");
|
||||
response->set_code(MHD_HTTP_NOT_FOUND);
|
||||
response->set_compress(true);
|
||||
response->set_taskbar(bookName, "");
|
||||
|
||||
return response;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::build_500(const std::string& msg)
|
||||
{
|
||||
MustacheData data;
|
||||
data.set("error", msg);
|
||||
std::unique_ptr<Response> response(
|
||||
new Response(m_root, true, false, false, false));
|
||||
response->set_template(RESOURCE::templates::_500_html, data);
|
||||
response->set_mimeType("text/html");
|
||||
response->set_code(MHD_HTTP_INTERNAL_SERVER_ERROR);
|
||||
return response;
|
||||
}
|
||||
|
||||
MustacheData InternalServer::homepage_data() const
|
||||
{
|
||||
auto data = get_default_data();
|
||||
|
||||
MustacheData books{MustacheData::type::list};
|
||||
for (auto& bookId: mp_library->filter(kiwix::Filter().local(true).valid(true))) {
|
||||
auto& currentBook = mp_library->getBookById(bookId);
|
||||
|
||||
MustacheData book;
|
||||
book.set("name", mp_nameMapper->getNameForId(bookId));
|
||||
book.set("title", currentBook.getTitle());
|
||||
book.set("description", currentBook.getDescription());
|
||||
book.set("articleCount", beautifyInteger(currentBook.getArticleCount()));
|
||||
book.set("mediaCount", beautifyInteger(currentBook.getMediaCount()));
|
||||
books.push_back(book);
|
||||
}
|
||||
|
||||
data.set("books", books);
|
||||
return data;
|
||||
}
|
||||
|
||||
bool InternalServer::etag_not_needed(const RequestContext& request) const
|
||||
{
|
||||
const std::string url = request.get_url();
|
||||
return kiwix::startsWith(url, "/catalog")
|
||||
|| url == "/search"
|
||||
|| url == "/suggest"
|
||||
|| url == "/random"
|
||||
|| url == "/catch/external";
|
||||
}
|
||||
|
||||
ETag
|
||||
InternalServer::get_matching_if_none_match_etag(const RequestContext& r) const
|
||||
{
|
||||
try {
|
||||
const std::string etag_list = r.get_header(MHD_HTTP_HEADER_IF_NONE_MATCH);
|
||||
return ETag::match(etag_list, m_server_id);
|
||||
} catch (const std::out_of_range&) {
|
||||
return ETag();
|
||||
}
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::build_homepage(const RequestContext& request)
|
||||
{
|
||||
auto response = get_default_response();
|
||||
response->set_template(RESOURCE::templates::index_html, homepage_data());
|
||||
response->set_mimeType("text/html; charset=utf-8");
|
||||
response->set_compress(true);
|
||||
return response;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::handle_meta(const RequestContext& request)
|
||||
{
|
||||
std::string bookName;
|
||||
std::string bookId;
|
||||
std::string meta_name;
|
||||
std::shared_ptr<Reader> reader;
|
||||
try {
|
||||
bookName = request.get_argument("content");
|
||||
bookId = mp_nameMapper->getIdForName(bookName);
|
||||
meta_name = request.get_argument("name");
|
||||
reader = mp_library->getReaderById(bookId);
|
||||
} catch (const std::out_of_range& e) {
|
||||
return build_404(request, bookName);
|
||||
}
|
||||
|
||||
if (reader == nullptr) {
|
||||
return build_404(request, bookName);
|
||||
}
|
||||
|
||||
std::string content;
|
||||
std::string mimeType = "text";
|
||||
|
||||
if (meta_name == "title") {
|
||||
content = reader->getTitle();
|
||||
} else if (meta_name == "description") {
|
||||
content = reader->getDescription();
|
||||
} else if (meta_name == "language") {
|
||||
content = reader->getLanguage();
|
||||
} else if (meta_name == "name") {
|
||||
content = reader->getName();
|
||||
} else if (meta_name == "tags") {
|
||||
content = reader->getTags();
|
||||
} else if (meta_name == "date") {
|
||||
content = reader->getDate();
|
||||
} else if (meta_name == "creator") {
|
||||
content = reader->getCreator();
|
||||
} else if (meta_name == "publisher") {
|
||||
content = reader->getPublisher();
|
||||
} else if (meta_name == "favicon") {
|
||||
reader->getFavicon(content, mimeType);
|
||||
} else {
|
||||
return build_404(request, bookName);
|
||||
}
|
||||
|
||||
auto response = get_default_response();
|
||||
response->set_content(content);
|
||||
response->set_mimeType(mimeType);
|
||||
response->set_compress(false);
|
||||
response->set_cacheable();
|
||||
return response;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::handle_suggest(const RequestContext& request)
|
||||
{
|
||||
if (m_verbose.load()) {
|
||||
printf("** running handle_suggest\n");
|
||||
}
|
||||
|
||||
std::string content;
|
||||
std::string mimeType;
|
||||
unsigned int maxSuggestionCount = 10;
|
||||
unsigned int suggestionCount = 0;
|
||||
|
||||
std::string bookName;
|
||||
std::string bookId;
|
||||
std::string term;
|
||||
std::shared_ptr<Reader> reader;
|
||||
try {
|
||||
bookName = request.get_argument("content");
|
||||
bookId = mp_nameMapper->getIdForName(bookName);
|
||||
term = request.get_argument("term");
|
||||
reader = mp_library->getReaderById(bookId);
|
||||
} catch (const std::out_of_range&) {
|
||||
return build_404(request, bookName);
|
||||
}
|
||||
|
||||
if (m_verbose.load()) {
|
||||
printf("Searching suggestions for: \"%s\"\n", term.c_str());
|
||||
}
|
||||
|
||||
MustacheData results{MustacheData::type::list};
|
||||
|
||||
bool first = true;
|
||||
if (reader != nullptr) {
|
||||
/* Get the suggestions */
|
||||
SuggestionsList_t suggestions;
|
||||
reader->searchSuggestionsSmart(term, maxSuggestionCount, suggestions);
|
||||
for(auto& suggestion:suggestions) {
|
||||
MustacheData result;
|
||||
result.set("label", suggestion[0]);
|
||||
result.set("value", suggestion[0]);
|
||||
result.set("first", first);
|
||||
first = false;
|
||||
results.push_back(result);
|
||||
suggestionCount++;
|
||||
}
|
||||
}
|
||||
|
||||
/* Propose the fulltext search if possible */
|
||||
if (reader->hasFulltextIndex()) {
|
||||
MustacheData result;
|
||||
result.set("label", "containing '" + term + "'...");
|
||||
result.set("value", term + " ");
|
||||
result.set("first", first);
|
||||
results.push_back(result);
|
||||
}
|
||||
|
||||
auto data = get_default_data();
|
||||
data.set("suggestions", results);
|
||||
|
||||
auto response = get_default_response();
|
||||
response->set_template(RESOURCE::templates::suggestion_json, data);
|
||||
response->set_mimeType("application/json; charset=utf-8");
|
||||
response->set_compress(true);
|
||||
return response;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::handle_skin(const RequestContext& request)
|
||||
{
|
||||
if (m_verbose.load()) {
|
||||
printf("** running handle_skin\n");
|
||||
}
|
||||
|
||||
auto response = get_default_response();
|
||||
auto resourceName = request.get_url().substr(1);
|
||||
try {
|
||||
response->set_content(getResource(resourceName));
|
||||
} catch (const ResourceNotFound& e) {
|
||||
return build_404(request, "");
|
||||
}
|
||||
response->set_mimeType(getMimeTypeForFile(resourceName));
|
||||
response->set_compress(true);
|
||||
response->set_cacheable();
|
||||
return response;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::handle_search(const RequestContext& request)
|
||||
{
|
||||
if (m_verbose.load()) {
|
||||
printf("** running handle_search\n");
|
||||
}
|
||||
|
||||
std::string bookName;
|
||||
std::string bookId;
|
||||
try {
|
||||
bookName = request.get_argument("content");
|
||||
bookId = mp_nameMapper->getIdForName(bookName);
|
||||
} catch (const std::out_of_range&) {}
|
||||
|
||||
std::string patternString;
|
||||
try {
|
||||
patternString = request.get_argument("pattern");
|
||||
} catch (const std::out_of_range&) {}
|
||||
|
||||
/* Retrive geo search */
|
||||
bool has_geo_query = false;
|
||||
float latitude = 0;
|
||||
float longitude = 0;
|
||||
float distance = 0;
|
||||
try {
|
||||
latitude = request.get_argument<float>("latitude");
|
||||
longitude = request.get_argument<float>("longitude");
|
||||
distance = request.get_argument<float>("distance");
|
||||
has_geo_query = true;
|
||||
} catch(const std::out_of_range&) {}
|
||||
catch(const std::invalid_argument&) {}
|
||||
|
||||
std::shared_ptr<Reader> reader(nullptr);
|
||||
try {
|
||||
reader = mp_library->getReaderById(bookId);
|
||||
} catch (const std::out_of_range&) {}
|
||||
|
||||
/* Try first to load directly the article */
|
||||
if (reader != nullptr && !patternString.empty()) {
|
||||
std::string patternCorrespondingUrl;
|
||||
auto variants = reader->getTitleVariants(patternString);
|
||||
auto variantsItr = variants.begin();
|
||||
|
||||
while (patternCorrespondingUrl.empty() && variantsItr != variants.end()) {
|
||||
try {
|
||||
auto entry = reader->getEntryFromTitle(*variantsItr);
|
||||
entry = entry.getFinalEntry();
|
||||
patternCorrespondingUrl = entry.getPath();
|
||||
break;
|
||||
} catch(kiwix::NoEntry& e) {
|
||||
variantsItr++;
|
||||
}
|
||||
}
|
||||
|
||||
/* If article found then redirect directly to it */
|
||||
if (!patternCorrespondingUrl.empty()) {
|
||||
auto response = get_default_response();
|
||||
response->set_redirection(m_root + "/" + bookName + "/" + patternCorrespondingUrl);
|
||||
return response;
|
||||
}
|
||||
}
|
||||
|
||||
/* Make the search */
|
||||
auto response = get_default_response();
|
||||
response->set_mimeType("text/html; charset=utf-8");
|
||||
response->set_taskbar(bookName, reader ? reader->getTitle() : "");
|
||||
response->set_compress(true);
|
||||
|
||||
if ( (!reader && !bookName.empty())
|
||||
|| (patternString.empty() && ! has_geo_query) ) {
|
||||
auto data = get_default_data();
|
||||
data.set("pattern", encodeDiples(patternString));
|
||||
response->set_template(RESOURCE::templates::no_search_result_html, data);
|
||||
response->set_code(MHD_HTTP_NOT_FOUND);
|
||||
return response;
|
||||
}
|
||||
|
||||
Searcher searcher;
|
||||
if (reader) {
|
||||
searcher.add_reader(reader.get());
|
||||
} else {
|
||||
for (auto& bookId: mp_library->filter(kiwix::Filter().local(true).valid(true))) {
|
||||
auto currentReader = mp_library->getReaderById(bookId);
|
||||
if (currentReader) {
|
||||
searcher.add_reader(currentReader.get());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
auto start = 0;
|
||||
try {
|
||||
start = request.get_argument<unsigned int>("start");
|
||||
} catch (const std::exception&) {}
|
||||
|
||||
auto pageLength = 25;
|
||||
try {
|
||||
pageLength = request.get_argument<unsigned int>("pageLength");
|
||||
} catch (const std::exception&) {}
|
||||
if (pageLength > MAX_SEARCH_LEN) {
|
||||
pageLength = MAX_SEARCH_LEN;
|
||||
}
|
||||
if (pageLength == 0) {
|
||||
pageLength = 25;
|
||||
}
|
||||
|
||||
auto end = start + pageLength;
|
||||
|
||||
/* Get the results */
|
||||
try {
|
||||
if (patternString.empty()) {
|
||||
searcher.geo_search(latitude, longitude, distance,
|
||||
start, end, m_verbose.load());
|
||||
} else {
|
||||
searcher.search(patternString,
|
||||
start, end, m_verbose.load());
|
||||
}
|
||||
SearchRenderer renderer(&searcher, mp_nameMapper);
|
||||
renderer.setSearchPattern(patternString);
|
||||
renderer.setSearchContent(bookName);
|
||||
renderer.setProtocolPrefix(m_root + "/");
|
||||
renderer.setSearchProtocolPrefix(m_root + "/search?");
|
||||
renderer.setPageLength(pageLength);
|
||||
response->set_content(renderer.getHtml());
|
||||
} catch (const std::exception& e) {
|
||||
std::cerr << e.what() << std::endl;
|
||||
}
|
||||
|
||||
//changing status code if no result obtained
|
||||
if(searcher.getEstimatedResultCount() == 0)
|
||||
{
|
||||
response.set_code(MHD_HTTP_NO_CONTENT);
|
||||
}
|
||||
|
||||
return response;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::handle_random(const RequestContext& request)
|
||||
{
|
||||
if (m_verbose.load()) {
|
||||
printf("** running handle_random\n");
|
||||
}
|
||||
|
||||
std::string bookName;
|
||||
std::string bookId;
|
||||
std::shared_ptr<Reader> reader;
|
||||
try {
|
||||
bookName = request.get_argument("content");
|
||||
bookId = mp_nameMapper->getIdForName(bookName);
|
||||
reader = mp_library->getReaderById(bookId);
|
||||
} catch (const std::out_of_range&) {
|
||||
return build_404(request, bookName);
|
||||
}
|
||||
|
||||
if (reader == nullptr) {
|
||||
return build_404(request, bookName);
|
||||
}
|
||||
|
||||
try {
|
||||
auto entry = reader->getRandomPage();
|
||||
return build_redirect(bookName, entry.getFinalEntry());
|
||||
} catch(kiwix::NoEntry& e) {
|
||||
return build_404(request, bookName);
|
||||
}
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::handle_captured_external(const RequestContext& request)
|
||||
{
|
||||
std::string source = "";
|
||||
try {
|
||||
source = kiwix::urlDecode(request.get_argument("source"));
|
||||
} catch (const std::out_of_range& e) {}
|
||||
|
||||
if (source.empty())
|
||||
return build_404(request, "");
|
||||
|
||||
auto data = get_default_data();
|
||||
data.set("source", source);
|
||||
auto response = get_default_response();
|
||||
response->set_template(RESOURCE::templates::captured_external_html, data);
|
||||
response->set_mimeType("text/html; charset=utf-8");
|
||||
response->set_compress(true);
|
||||
return response;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::handle_catalog(const RequestContext& request)
|
||||
{
|
||||
if (m_verbose.load()) {
|
||||
printf("** running handle_catalog");
|
||||
}
|
||||
|
||||
std::string host;
|
||||
std::string url;
|
||||
try {
|
||||
host = request.get_header("Host");
|
||||
url = request.get_url_part(1);
|
||||
} catch (const std::out_of_range&) {
|
||||
return build_404(request, "");
|
||||
}
|
||||
|
||||
if (url != "searchdescription.xml" && url != "root.xml" && url != "search") {
|
||||
return build_404(request, "");
|
||||
}
|
||||
|
||||
auto response = get_default_response();
|
||||
response->set_compress(true);
|
||||
if (url == "searchdescription.xml") {
|
||||
response->set_template(RESOURCE::opensearchdescription_xml, get_default_data());
|
||||
response->set_mimeType("application/opensearchdescription+xml");
|
||||
return response;
|
||||
}
|
||||
|
||||
zim::Uuid uuid;
|
||||
kiwix::OPDSDumper opdsDumper;
|
||||
opdsDumper.setRootLocation(m_root);
|
||||
opdsDumper.setSearchDescriptionUrl("catalog/searchdescription.xml");
|
||||
opdsDumper.setLibrary(mp_library);
|
||||
response->set_mimeType("application/atom+xml; profile=opds-catalog; kind=acquisition; charset=utf-8");
|
||||
std::vector<std::string> bookIdsToDump;
|
||||
if (url == "root.xml") {
|
||||
opdsDumper.setTitle("All zims");
|
||||
uuid = zim::Uuid::generate(host);
|
||||
bookIdsToDump = mp_library->filter(kiwix::Filter().valid(true).local(true).remote(true));
|
||||
} else if (url == "search") {
|
||||
auto filter = kiwix::Filter().valid(true).local(true).remote(true);
|
||||
string query("<Empty query>");
|
||||
size_t count(10);
|
||||
size_t startIndex(0);
|
||||
try {
|
||||
query = request.get_argument("q");
|
||||
filter.query(query);
|
||||
} catch (const std::out_of_range&) {}
|
||||
try {
|
||||
filter.maxSize(extractFromString<unsigned long>(request.get_argument("maxsize")));
|
||||
} catch (...) {}
|
||||
try {
|
||||
filter.name(request.get_argument("name"));
|
||||
} catch (const std::out_of_range&) {}
|
||||
try {
|
||||
filter.lang(request.get_argument("lang"));
|
||||
} catch (const std::out_of_range&) {}
|
||||
try {
|
||||
count = extractFromString<unsigned long>(request.get_argument("count"));
|
||||
} catch (...) {}
|
||||
try {
|
||||
startIndex = extractFromString<unsigned long>(request.get_argument("start"));
|
||||
} catch (...) {}
|
||||
try {
|
||||
filter.acceptTags(kiwix::split(request.get_argument("tag"), ";"));
|
||||
} catch (...) {}
|
||||
try {
|
||||
filter.rejectTags(kiwix::split(request.get_argument("notag"), ";"));
|
||||
} catch (...) {}
|
||||
opdsDumper.setTitle("Search result for " + query);
|
||||
uuid = zim::Uuid::generate();
|
||||
bookIdsToDump = mp_library->filter(filter);
|
||||
auto totalResults = bookIdsToDump.size();
|
||||
bookIdsToDump.erase(bookIdsToDump.begin(), bookIdsToDump.begin()+startIndex);
|
||||
if (count>0 && bookIdsToDump.size() > count) {
|
||||
bookIdsToDump.resize(count);
|
||||
}
|
||||
opdsDumper.setOpenSearchInfo(totalResults, startIndex, bookIdsToDump.size());
|
||||
}
|
||||
|
||||
opdsDumper.setId(kiwix::to_string(uuid));
|
||||
response->set_content(opdsDumper.dumpOPDSFeed(bookIdsToDump));
|
||||
return response;
|
||||
}
|
||||
|
||||
namespace
|
||||
{
|
||||
|
||||
std::string get_book_name(const RequestContext& request)
|
||||
{
|
||||
try {
|
||||
return request.get_url_part(0);
|
||||
} catch (const std::out_of_range& e) {
|
||||
return std::string();
|
||||
}
|
||||
}
|
||||
|
||||
} // unnamed namespace
|
||||
|
||||
std::shared_ptr<Reader>
|
||||
InternalServer::get_reader(const std::string& bookName) const
|
||||
{
|
||||
std::shared_ptr<Reader> reader;
|
||||
try {
|
||||
const std::string bookId = mp_nameMapper->getIdForName(bookName);
|
||||
reader = mp_library->getReaderById(bookId);
|
||||
} catch (const std::out_of_range& e) {
|
||||
}
|
||||
return reader;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response>
|
||||
InternalServer::build_redirect(const std::string& bookName, const kiwix::Entry& entry) const
|
||||
{
|
||||
auto response = get_default_response();
|
||||
response->set_redirection(m_root + "/" + bookName + "/" +
|
||||
kiwix::urlEncode(entry.getPath()));
|
||||
return response;
|
||||
}
|
||||
|
||||
std::unique_ptr<Response> InternalServer::handle_content(const RequestContext& request)
|
||||
{
|
||||
if (m_verbose.load()) {
|
||||
printf("** running handle_content\n");
|
||||
}
|
||||
|
||||
const std::string bookName = get_book_name(request);
|
||||
if (bookName.empty())
|
||||
return build_homepage(request);
|
||||
|
||||
const std::shared_ptr<Reader> reader = get_reader(bookName);
|
||||
if (reader == nullptr) {
|
||||
return build_404(request, bookName);
|
||||
}
|
||||
|
||||
auto urlStr = request.get_url().substr(bookName.size()+1);
|
||||
if (urlStr[0] == '/') {
|
||||
urlStr = urlStr.substr(1);
|
||||
}
|
||||
|
||||
kiwix::Entry entry;
|
||||
|
||||
try {
|
||||
entry = reader->getEntryFromPath(urlStr);
|
||||
if (entry.isRedirect() || urlStr.empty()) {
|
||||
// If urlStr is empty, we want to mainPage.
|
||||
// We must do a redirection to the real page.
|
||||
return build_redirect(bookName, entry.getFinalEntry());
|
||||
}
|
||||
} catch(kiwix::NoEntry& e) {
|
||||
if (m_verbose.load())
|
||||
printf("Failed to find %s\n", urlStr.c_str());
|
||||
|
||||
return build_404(request, bookName);
|
||||
}
|
||||
|
||||
auto response = get_default_response();
|
||||
|
||||
response->set_entry(entry, request);
|
||||
response->set_taskbar(bookName, reader->getTitle());
|
||||
|
||||
if (m_verbose.load()) {
|
||||
printf("Found %s\n", entry.getPath().c_str());
|
||||
printf("mimeType: %s\n", response->get_mimeType().c_str());
|
||||
}
|
||||
|
||||
return response;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,112 @@
|
|||
/*
|
||||
* Copyright 2019 Matthieu Gautier <mgautier@kymeria.fr>
|
||||
*
|
||||
* 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
|
||||
* 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, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
||||
* MA 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef KIWIXLIB_SERVER_INTERNALSERVER_H
|
||||
#define KIWIXLIB_SERVER_INTERNALSERVER_H
|
||||
|
||||
|
||||
extern "C" {
|
||||
#include "microhttpd_wrapper.h"
|
||||
}
|
||||
|
||||
#include "library.h"
|
||||
#include "name_mapper.h"
|
||||
|
||||
#include <mustache.hpp>
|
||||
|
||||
#include <atomic>
|
||||
#include <string>
|
||||
|
||||
#include "server/request_context.h"
|
||||
#include "server/response.h"
|
||||
|
||||
namespace kiwix {
|
||||
|
||||
typedef kainjow::mustache::data MustacheData;
|
||||
|
||||
class Entry;
|
||||
|
||||
class InternalServer {
|
||||
public:
|
||||
InternalServer(Library* library,
|
||||
NameMapper* nameMapper,
|
||||
std::string addr,
|
||||
int port,
|
||||
std::string root,
|
||||
int nbThreads,
|
||||
bool verbose,
|
||||
bool withTaskbar,
|
||||
bool withLibraryButton,
|
||||
bool blockExternalLinks);
|
||||
virtual ~InternalServer() = default;
|
||||
|
||||
MHD_Result handlerCallback(struct MHD_Connection* connection,
|
||||
const char* url,
|
||||
const char* method,
|
||||
const char* version,
|
||||
const char* upload_data,
|
||||
size_t* upload_data_size,
|
||||
void** cont_cls);
|
||||
bool start();
|
||||
void stop();
|
||||
|
||||
private: // functions
|
||||
std::unique_ptr<Response> handle_request(const RequestContext& request);
|
||||
std::unique_ptr<Response> build_500(const std::string& msg);
|
||||
std::unique_ptr<Response> build_404(const RequestContext& request, const std::string& zimName);
|
||||
std::unique_ptr<Response> build_304(const RequestContext& request, const ETag& etag) const;
|
||||
std::unique_ptr<Response> build_redirect(const std::string& bookName, const kiwix::Entry& entry) const;
|
||||
std::unique_ptr<Response> build_homepage(const RequestContext& request);
|
||||
std::unique_ptr<Response> handle_skin(const RequestContext& request);
|
||||
std::unique_ptr<Response> handle_catalog(const RequestContext& request);
|
||||
std::unique_ptr<Response> handle_meta(const RequestContext& request);
|
||||
std::unique_ptr<Response> handle_search(const RequestContext& request);
|
||||
std::unique_ptr<Response> handle_suggest(const RequestContext& request);
|
||||
std::unique_ptr<Response> handle_random(const RequestContext& request);
|
||||
std::unique_ptr<Response> handle_captured_external(const RequestContext& request);
|
||||
std::unique_ptr<Response> handle_content(const RequestContext& request);
|
||||
|
||||
MustacheData get_default_data() const;
|
||||
MustacheData homepage_data() const;
|
||||
std::unique_ptr<Response> get_default_response() const;
|
||||
|
||||
std::shared_ptr<Reader> get_reader(const std::string& bookName) const;
|
||||
bool etag_not_needed(const RequestContext& r) const;
|
||||
ETag get_matching_if_none_match_etag(const RequestContext& request) const;
|
||||
|
||||
private: // data
|
||||
std::string m_addr;
|
||||
int m_port;
|
||||
std::string m_root;
|
||||
int m_nbThreads;
|
||||
std::atomic_bool m_verbose;
|
||||
bool m_withTaskbar;
|
||||
bool m_withLibraryButton;
|
||||
bool m_blockExternalLinks;
|
||||
struct MHD_Daemon* mp_daemon;
|
||||
|
||||
Library* mp_library;
|
||||
NameMapper* mp_nameMapper;
|
||||
|
||||
std::string m_server_id;
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
#endif //KIWIXLIB_SERVER_INTERNALSERVER_H
|
||||
Loading…
Reference in New Issue