JwtAuthenticator.h

Go to the documentation of this file.

 
 #ifndef JWT_AUTHENTICATOR_H
 #define JWT_AUTHENTICATOR_H
 
 #include <string>
 
 class JwtAuthenticator
 {
 public:
     JwtAuthenticator();
     void init(const std::string &secret, int expirySeconds);
 
     std::string generateJWT(const std::string &userId, const std::string &userName) const;
 
     bool validateJWT(const std::string &token, bool validateExpiry = false) const;
 
     bool decodeJWT(const std::string &token, std::string &header, std::string &payload, std::string &signature) const;
 
     bool isJWTExpired(const std::string &token) const;
 
     bool isJWTPayloadExpired(const std::string &payload) const;
 
     bool verifyJWTSignature(const std::string &encoded_header, const std::string &encoded_payload, const std::string &signature) const;
 
 private:
     // convenience initializer
 
     std::string secretKey;
     std::string expiryTime;
 
     // ------------------------------------------------------------------------
     // Internal Helpers
     // ------------------------------------------------------------------------
 
     std::string base64urlEncode(const std::string &input) const;
 
     bool base64urlDecode(const std::string &input, std::string &output) const;
 
     bool isBase64urlEncoded(const std::string &str) const;
 
     std::string bytesToBase64url(const unsigned char *data, size_t length) const;
 
     std::string hmacSHA256(const std::string &message) const;
 };
 
 #endif // JWT_AUTHENTICATOR_H