66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
|
#include "VersionChecker.h"
|
||
|
|
#include <sstream>
|
||
|
|
#include "HttpClient.h"
|
||
|
|
#include <boost/property_tree/json_parser.hpp>
|
||
|
|
#include <messmer/cpp-utils/logging/logging.h>
|
||
|
|
#include <boost/foreach.hpp>
|
||
|
|
|
||
|
|
using boost::optional;
|
||
|
|
using boost::none;
|
||
|
|
using std::string;
|
||
|
|
using boost::property_tree::ptree;
|
||
|
|
using boost::property_tree::json_parser_error;
|
||
|
|
using namespace cpputils::logging;
|
||
|
|
|
||
|
|
#include <iostream>
|
||
|
|
namespace cryfs {
|
||
|
|
|
||
|
|
VersionChecker::VersionChecker(): _versionInfo(_getVersionInfo()) {
|
||
|
|
}
|
||
|
|
|
||
|
|
optional<string> VersionChecker::newestVersion() const {
|
||
|
|
if (_versionInfo == none) {
|
||
|
|
return none;
|
||
|
|
}
|
||
|
|
string version = _versionInfo->get("version_info.current", "");
|
||
|
|
if (version == "") {
|
||
|
|
return none;
|
||
|
|
}
|
||
|
|
return version;
|
||
|
|
}
|
||
|
|
|
||
|
|
optional<string> VersionChecker::securityWarningFor(const string &version) const {
|
||
|
|
if (_versionInfo == none) {
|
||
|
|
return none;
|
||
|
|
}
|
||
|
|
BOOST_FOREACH(const ptree::value_type &v, _versionInfo->get_child("warnings")) {
|
||
|
|
if(v.first == version) {
|
||
|
|
return v.second.get_value<std::string>();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return none;
|
||
|
|
}
|
||
|
|
|
||
|
|
optional<ptree> VersionChecker::_getVersionInfo() {
|
||
|
|
optional<string> response = HttpClient().get("http://www.cryfs.org/version_info.json");
|
||
|
|
if (response == none) {
|
||
|
|
std::cout << "no response" << std::endl;
|
||
|
|
return none;
|
||
|
|
}
|
||
|
|
return _parseJson(*response);
|
||
|
|
}
|
||
|
|
|
||
|
|
optional<ptree> VersionChecker::_parseJson(const string &json) {
|
||
|
|
try {
|
||
|
|
ptree pt;
|
||
|
|
std::istringstream input(json);
|
||
|
|
read_json(input, pt);
|
||
|
|
return pt;
|
||
|
|
} catch (const json_parser_error &e) {
|
||
|
|
LOG(WARN) << "Error parsing version information json object";
|
||
|
|
return none;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|