diff options
Diffstat (limited to 'src/main/java/org/traccar/api/signature/TokenManager.java')
-rw-r--r-- | src/main/java/org/traccar/api/signature/TokenManager.java | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/api/signature/TokenManager.java b/src/main/java/org/traccar/api/signature/TokenManager.java new file mode 100644 index 000000000..3f39d5380 --- /dev/null +++ b/src/main/java/org/traccar/api/signature/TokenManager.java @@ -0,0 +1,64 @@ +/* + * Copyright 2022 Anton Tananaev (anton@traccar.org) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.traccar.api.signature; + +import com.fasterxml.jackson.annotation.JsonProperty; +import com.fasterxml.jackson.databind.ObjectMapper; +import org.apache.commons.codec.binary.Base64; +import org.traccar.storage.StorageException; + +import javax.inject.Inject; +import java.io.IOException; +import java.security.GeneralSecurityException; +import java.util.Date; + +public class TokenManager { + + private final ObjectMapper objectMapper; + private final CryptoManager cryptoManager; + + public static class Data { + @JsonProperty("u") + private long userId; + @JsonProperty("e") + private Date expiration; + } + + @Inject + public TokenManager(ObjectMapper objectMapper, CryptoManager cryptoManager) { + this.objectMapper = objectMapper; + this.cryptoManager = cryptoManager; + } + + public String generateToken( + long userId, Date expiration) throws IOException, GeneralSecurityException, StorageException { + Data data = new Data(); + data.userId = userId; + data.expiration = expiration; + byte[] encoded = objectMapper.writeValueAsBytes(data); + return Base64.encodeBase64URLSafeString(cryptoManager.sign(encoded)); + } + + public long verifyToken(String token) throws IOException, GeneralSecurityException, StorageException { + byte[] encoded = cryptoManager.verify(Base64.decodeBase64(token)); + Data data = objectMapper.readValue(encoded, Data.class); + if (data.expiration.before(new Date())) { + throw new SecurityException("Token has expired"); + } + return data.userId; + } + +} |