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95 lines
2.9 KiB
95 lines
2.9 KiB
10 years ago
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#ifndef _BT_HELPERS_HPP_
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#define _BT_HELPERS_HPP_
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#include <unordered_map>
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#include <boost/regex.hpp>
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#include <json.hpp>
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namespace i18N {
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using namespace std;
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static const auto content_type_not_set= "A Content-Type header set to application/json is required."s;
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static const auto unable_to_parse_json= "Unable to parse JSON in body into a JSON-object."s;
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static const auto session_unavailable= "A server service is down, please try again later."s;
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static const auto wrong_format= "A valid JSON request was posted, but the JSON format was wrong."s;
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static const auto unable_to_parse_torrent_uri= "The torrent location was not accepted, the format was wrong."s;
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static const auto write_error= "Unable to write to ";
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};
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namespace util {
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class uri {
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public:
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auto static parse(const std::string &request_path){
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std::unordered_map<std::string,std::string> options;
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std::string option, value;
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bool collect=false;
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for(auto &c:request_path){
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switch(c){
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case '&':
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options.insert(std::make_pair(option,value));
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option="";
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collect=true;
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break;
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case '?':
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collect=true;
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break;
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case '=':
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collect=false;
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value="";
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break;
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default:
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if(collect)
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option+=c;
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else
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value+=c;
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break;
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}
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}
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if(!option.empty() || !value.empty())
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options.insert(std::make_pair(option,value));
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return options;
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}
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};
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const boost::regex regex("@(https?|ftp)://(-\\.)?([^\\s/?\\.#-]+\\.?)+(/[^\\s]*)?$@", boost::regex_constants::perl | boost::regex_constants::icase);
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class json {
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public:
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/*! @brief Wrapper for nlohmann::json::parse. If the parse fails, result.is_null() will be */
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static nlohmann::json parse(std::istream &istream) {
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try {
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return nlohmann::json::parse(istream);
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} catch(const std::invalid_argument &exp) {
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}
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return nlohmann::json(nullptr);
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}
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/*! @brief wrapper around nlohmann::json::parse, but object returns null on throw */
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static nlohmann::json parse(const std::string &string){
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try {
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return nlohmann::json::parse(string);
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} catch(const std::invalid_argument &exp) {
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}
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return nlohmann::json(nullptr);
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}
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static bool has_property(const std::string &key, const nlohmann::json &object){
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auto it=object.find(key);
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return it!=object.end();
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}
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template<class T>
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static auto get(const std::string &key, const nlohmann::json &object, const T &default_value){
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if(has_property(key,object)){
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T r;
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try{
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r=object[key]; //TODO fix use json parser where a non-throwable exist
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} catch(const std::exception&){
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return default_value;
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}
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return r;
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}
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return default_value;
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}
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};
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}
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#endif // _BT_HELPERS_HPP_
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