You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.2 KiB
43 lines
1.2 KiB
#pragma once
|
|
|
|
#include <list>
|
|
#include <string>
|
|
#include <chrono>
|
|
#include <mutex>
|
|
#include <functional>
|
|
|
|
namespace pEp {
|
|
class PassphraseCache {
|
|
using clock = std::chrono::system_clock;
|
|
using time_point = std::chrono::time_point<clock>;
|
|
using duration = clock::duration;
|
|
|
|
struct cache_entry {
|
|
std::string passphrase;
|
|
time_point tp;
|
|
};
|
|
|
|
std::list<cache_entry> _cache;
|
|
std::mutex _mtx;
|
|
duration _timeout;
|
|
|
|
public:
|
|
PassphraseCache() : _timeout(std::chrono::minutes(10)) { }
|
|
~PassphraseCache() { }
|
|
PassphraseCache(const PassphraseCache& second) :
|
|
_cache(second._cache), _timeout(second._timeout) { }
|
|
|
|
// adding a passphrase to the cache, which will timeout
|
|
void add(std::string passphrase);
|
|
|
|
// for each passphrase call the callee until it returns true for a
|
|
// matching passphrase or no passphrases are left
|
|
// returns true if a passphrase was matching, false otherwise
|
|
using passphrase_callee = std::function<bool(std::string)>;
|
|
bool for_each_passphrase(passphrase_callee& callee);
|
|
|
|
protected:
|
|
void cleanup();
|
|
};
|
|
};
|
|
|
|
|