69 lines
1.6 KiB
C++
69 lines
1.6 KiB
C++
#include "common/Crypto.h"
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#include <drogon/utils/Utilities.h>
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#include <iomanip>
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#include <random>
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#include <sstream>
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#include <string>
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namespace visione::crypto
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{
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std::string sha256(const std::string &value)
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{
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return drogon::utils::getSha256(value);
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}
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std::string randomNumericCode(int digits)
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{
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std::random_device device;
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std::mt19937 generator(device());
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std::uniform_int_distribution<int> distribution(0, 9);
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std::string code;
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code.reserve(static_cast<size_t>(digits));
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for (int i = 0; i < digits; ++i)
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{
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code.push_back(static_cast<char>('0' + distribution(generator)));
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}
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return code;
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}
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std::string randomToken()
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{
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return drogon::utils::getUuid() + drogon::utils::getUuid();
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}
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std::string hashPassword(const std::string &password)
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{
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const auto salt = drogon::utils::getUuid();
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return "sha256$" + salt + "$" + sha256(salt + ":" + password);
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}
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bool verifyPassword(const std::string &password, const std::string &hash)
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{
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constexpr std::string_view prefix = "sha256$";
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if (!hash.starts_with(prefix))
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{
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return false;
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}
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const auto saltStart = prefix.size();
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const auto hashStart = hash.find('$', saltStart);
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if (hashStart == std::string::npos)
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{
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return false;
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}
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const auto salt = hash.substr(saltStart, hashStart - saltStart);
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const auto expected = "sha256$" + salt + "$" + sha256(salt + ":" + password);
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return expected == hash;
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}
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std::string hashSecret(const std::string &secret)
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{
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return sha256("visione:" + secret);
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}
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} // namespace visione::crypto
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