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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| import lombok.AccessLevel; | ||
| import lombok.Builder; | ||
| import lombok.Getter; | ||
|
|
||
| import java.time.Duration; | ||
| import java.time.temporal.ChronoUnit; | ||
| import java.util.Date; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
|
|
||
| @Builder( | ||
| builderMethodName = "hiddenBuilder", | ||
| access = AccessLevel.PRIVATE | ||
| ) | ||
| @Getter | ||
| public class TokenParameters { | ||
|
|
||
| /** | ||
| * A map of claims to be put in JWT token. | ||
| */ | ||
| private Map<String, Object> claims; | ||
|
|
||
| /** | ||
| * The "sub" of JWT token. | ||
| */ | ||
| private String subject; | ||
|
|
||
| /** | ||
| * Date when JWT token was issued. | ||
| */ | ||
| private Date issuedAt; | ||
|
|
||
| /** | ||
| * Date when JWT token will be expired. | ||
| */ | ||
| private Date expiredAt; | ||
|
|
||
| /** | ||
| * Creates a builder for TokenParameters. | ||
| * | ||
| * @param subject sub of JWT token | ||
| * @param duration duration between token issuing and expiration date | ||
| * @return TokenParametersBuilder | ||
| */ | ||
| public static TokenParametersBuilder builder( | ||
| final String subject, | ||
| final Duration duration | ||
| ) { | ||
| Date issuedAt = new Date(); | ||
| return hiddenBuilder() | ||
| .claims(new HashMap<>()) | ||
| .issuedAt(issuedAt) | ||
| .subject(subject) | ||
| .expiredAt(new Date( | ||
| issuedAt.getTime() | ||
| + 1000 * duration.get(ChronoUnit.SECONDS) | ||
| )); | ||
| } | ||
|
|
||
| public static class TokenParametersBuilder { | ||
|
|
||
| /** | ||
| * Add claims to parameters. | ||
| * | ||
| * @param key the key of claim | ||
| * @param value the value of claim | ||
| * @return TokenParametersBuilder | ||
| */ | ||
| public TokenParametersBuilder claim( | ||
| final String key, | ||
| final Object value | ||
| ) { | ||
| this.claims.put(key, value); | ||
| return this; | ||
| } | ||
|
|
||
| /** | ||
| * Adds claims to parameters. | ||
| * | ||
| * @param claims a map of claims | ||
| * @return TokenParametersBuilder | ||
| */ | ||
| public TokenParametersBuilder claims( | ||
| final Map<String, Object> claims | ||
| ) { | ||
| this.claims.putAll(claims); | ||
| return this; | ||
| } | ||
|
|
||
| /** | ||
| * Sets issued date for JWT token. | ||
| * | ||
| * @param issuedAt date of issuing | ||
| * @return TokenParametersBuilder | ||
| */ | ||
| public TokenParametersBuilder issuedAt( | ||
| final Date issuedAt | ||
| ) { | ||
| this.issuedAt = issuedAt; | ||
| return this; | ||
| } | ||
|
|
||
| /** | ||
| * Sets expiration date for JWT token. | ||
| * | ||
| * @param expiredAt date of expiration | ||
| * @return TokenParametersBuilder | ||
| */ | ||
| public TokenParametersBuilder expiredAt( | ||
| final Date expiredAt | ||
| ) { | ||
| this.expiredAt = expiredAt; | ||
| return this; | ||
| } | ||
|
|
||
| /** | ||
| * Sets subject to parameters. | ||
| * | ||
| * @param subject subject of JWT token | ||
| * @return TokenParametersBuilder | ||
| */ | ||
| public TokenParametersBuilder subject( | ||
| final String subject | ||
| ) { | ||
| this.subject = subject; | ||
| return this; | ||
| } | ||
|
|
||
| /** | ||
| * Builds final object. | ||
| * | ||
| * @return TokenParameters object | ||
| */ | ||
| public TokenParameters build() { | ||
| return new TokenParameters( | ||
| claims, | ||
| subject, | ||
| issuedAt, | ||
| expiredAt | ||
| ); | ||
| } | ||
|
|
||
| } | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| import java.util.Map; | ||
|
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||
| public interface TokenService { | ||
|
|
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| /** | ||
| * Creates JWT token by provided parameters. | ||
| * | ||
| * @param params parameters for JWT token | ||
| * @return JWT token | ||
| */ | ||
| String create( | ||
| TokenParameters params | ||
| ); | ||
|
|
||
| /** | ||
| * Checks whether JWT token is expired by current time. | ||
| * | ||
| * @param token JWT token to be checked | ||
| * @return true - if JWT token expired, false - otherwise | ||
| */ | ||
| boolean isExpired( | ||
| String token | ||
| ); | ||
|
|
||
| /** | ||
| * Checks whether JWT token has a key-value pair in payload. | ||
| * | ||
| * @param token JWT token | ||
| * @param key key of payload | ||
| * @param value value of payload | ||
| * @return true - if JWT token has a provided key-value pair in payload, | ||
| * false - otherwise | ||
| */ | ||
| boolean has( | ||
| String token, | ||
| String key, | ||
| Object value | ||
| ); | ||
|
|
||
| /** | ||
| * Returns "sub" of JWT token. | ||
| * | ||
| * @param token JWT token | ||
| * @return "sub" of JWT token | ||
| */ | ||
| String getSubject( | ||
| String token | ||
| ); | ||
|
|
||
| /** | ||
| * Returns payload of JWT token as a Map. | ||
| * | ||
| * @param token JWT token | ||
| * @return a map of key-value pairs from payload | ||
| */ | ||
| Map<String, Object> claims( | ||
| String token | ||
| ); | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| import io.jsonwebtoken.Claims; | ||
| import io.jsonwebtoken.Jws; | ||
| import io.jsonwebtoken.Jwts; | ||
| import io.jsonwebtoken.security.Keys; | ||
|
|
||
| import javax.crypto.SecretKey; | ||
| import java.util.Date; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
|
|
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| public class TokenServiceImpl implements TokenService { | ||
|
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| private final SecretKey key; | ||
|
|
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| /** | ||
| * Creates TokenServiceImpl object. | ||
| * | ||
| * @param secret secret of key for JWT token generation | ||
| */ | ||
| public TokenServiceImpl( | ||
| final String secret | ||
| ) { | ||
| this.key = Keys.hmacShaKeyFor(secret.getBytes()); | ||
| } | ||
|
|
||
| @Override | ||
| public String create( | ||
| final TokenParameters params | ||
| ) { | ||
| Claims claims = Jwts.claims() | ||
| .subject(params.getSubject()) | ||
| .add(params.getClaims()) | ||
| .build(); | ||
| return Jwts.builder() | ||
| .claims(claims) | ||
| .issuedAt(params.getIssuedAt()) | ||
| .expiration(params.getExpiredAt()) | ||
| .signWith(key) | ||
| .compact(); | ||
| } | ||
|
|
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| @Override | ||
| public boolean isExpired( | ||
| final String token | ||
| ) { | ||
| Jws<Claims> claims = Jwts | ||
| .parser() | ||
| .verifyWith(key) | ||
| .build() | ||
| .parseSignedClaims(token); | ||
| return claims.getPayload() | ||
| .getExpiration() | ||
| .before(new Date()); | ||
| } | ||
|
|
||
| @Override | ||
| public boolean has( | ||
| final String token, | ||
| final String key, | ||
| final Object value | ||
| ) { | ||
| Jws<Claims> claims = Jwts | ||
| .parser() | ||
| .verifyWith(this.key) | ||
| .build() | ||
| .parseSignedClaims(token); | ||
| return claims.getPayload() | ||
| .get(key) | ||
| .equals(value); | ||
| } | ||
|
|
||
| @Override | ||
| public String getSubject( | ||
| final String token | ||
| ) { | ||
| return Jwts | ||
| .parser() | ||
| .verifyWith(key) | ||
| .build() | ||
| .parseSignedClaims(token) | ||
| .getPayload() | ||
| .getSubject(); | ||
| } | ||
|
|
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| @Override | ||
| public Map<String, Object> claims( | ||
| final String token | ||
| ) { | ||
| Jws<Claims> claims = Jwts | ||
| .parser() | ||
| .verifyWith(key) | ||
| .build() | ||
| .parseSignedClaims(token); | ||
| return new HashMap<>(claims.getPayload()); | ||
| } | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| <?xml version="1.0"?> | ||
| <!DOCTYPE suppressions PUBLIC "-//Checkstyle//DTD SuppressionFilter Configuration 1.2//EN" "https://checkstyle.org/dtds/suppressions_1_2.dtd"> | ||
| <suppressions> | ||
| <suppress checks="JavadocPackage"/> | ||
| <suppress checks="MagicNumber"/> | ||
| </suppressions> |