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TotpManager.java
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/
TotpManager.java
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package com.clone.instagram.authservice.service;
import dev.samstevens.totp.code.*;
import dev.samstevens.totp.exceptions.QrGenerationException;
import dev.samstevens.totp.qr.QrData;
import dev.samstevens.totp.qr.QrGenerator;
import dev.samstevens.totp.qr.ZxingPngQrGenerator;
import dev.samstevens.totp.secret.DefaultSecretGenerator;
import dev.samstevens.totp.secret.SecretGenerator;
import dev.samstevens.totp.time.SystemTimeProvider;
import dev.samstevens.totp.time.TimeProvider;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import static dev.samstevens.totp.util.Utils.getDataUriForImage;
@Service
@Slf4j
public class TotpManager {
public String generateSecret() {
SecretGenerator generator = new DefaultSecretGenerator();
return generator.generate();
}
public String getUriForImage(String secret) {
QrData data = new QrData.Builder()
.label("Two-factor-auth-test")
.secret(secret)
.issuer("exampleTwoFactor")
.algorithm(HashingAlgorithm.SHA1)
.digits(6)
.period(30)
.build();
QrGenerator generator = new ZxingPngQrGenerator();
byte[] imageData = new byte[0];
try {
imageData = generator.generate(data);
} catch (QrGenerationException e) {
log.error("unable to generate QrCode");
}
String mimeType = generator.getImageMimeType();
return getDataUriForImage(imageData, mimeType);
}
public boolean verifyCode(String code, String secret) {
TimeProvider timeProvider = new SystemTimeProvider();
CodeGenerator codeGenerator = new DefaultCodeGenerator();
CodeVerifier verifier = new DefaultCodeVerifier(codeGenerator, timeProvider);
return verifier.isValidCode(secret, code);
}
}