60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
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#include "jwt.h"
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#include <jwt-cpp/jwt.h>
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#include <stdexcept>
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namespace scar {
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std::string JWT::generate(const std::string& username, const std::string& secret,
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std::chrono::seconds expiration) {
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auto now = std::chrono::system_clock::now();
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auto exp_time = now + expiration;
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return jwt::create()
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.set_issuer(ISSUER)
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.set_type("JWT")
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.set_issued_at(now)
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.set_expires_at(exp_time)
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.set_payload_claim("username", jwt::claim(username))
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.sign(jwt::algorithm::hs256{secret});
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}
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bool JWT::verify(const std::string& token, const std::string& secret) {
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try {
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auto verifier = jwt::verify()
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.allow_algorithm(jwt::algorithm::hs256{secret})
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.with_issuer(ISSUER);
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auto decoded = jwt::decode(token);
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verifier.verify(decoded);
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return true;
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} catch (const std::exception&) {
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return false;
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}
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}
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std::string JWT::extractUsername(const std::string& token) {
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try {
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auto decoded = jwt::decode(token);
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if (decoded.has_payload_claim("username")) {
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return decoded.get_payload_claim("username").as_string();
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}
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} catch (const std::exception&) {
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// Fall through
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}
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return "";
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}
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bool JWT::isExpired(const std::string& token) {
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try {
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auto decoded = jwt::decode(token);
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auto exp = decoded.get_expires_at();
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auto now = std::chrono::system_clock::now();
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return exp < now;
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} catch (const std::exception&) {
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return true;
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}
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}
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} // namespace scar
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