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org.apache.james.jmap.model.AttachmentAccessToken Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one *
* or more contributor license agreements. See the NOTICE file *
* distributed with this work for additional information *
* regarding copyright ownership. The ASF licenses this file *
* to you 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. *
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package org.apache.james.jmap.model;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.List;
import java.util.Objects;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.MoreObjects;
import com.google.common.base.Preconditions;
import com.google.common.base.Splitter;
import com.google.common.base.Strings;
import com.google.common.collect.Iterables;
public class AttachmentAccessToken implements SignedExpiringToken {
public static final String SEPARATOR = "_";
public static Builder builder() {
return new Builder();
}
public static AttachmentAccessToken from(String serializedAttachmentAccessToken, String blobId) {
Preconditions.checkArgument(!Strings.isNullOrEmpty(serializedAttachmentAccessToken), "'AttachmentAccessToken' is mandatory");
List split = Splitter.on(SEPARATOR).splitToList(serializedAttachmentAccessToken);
Preconditions.checkArgument(split.size() == 3, "Wrong 'AttachmentAccessToken'");
String defaultValue = null;
return builder()
.blobId(blobId)
.username(Iterables.get(split, 0, defaultValue))
.expirationDate(ZonedDateTime.parse(Iterables.get(split, 1, defaultValue)))
.signature(Iterables.get(split, 2, defaultValue))
.build();
}
public static class Builder {
private String username;
private String blobId;
private ZonedDateTime expirationDate;
private String signature;
private Builder() {}
public Builder blobId(String blobId) {
this.blobId = blobId;
return this;
}
public Builder username(String username) {
this.username = username;
return this;
}
public Builder expirationDate(ZonedDateTime expirationDate) {
this.expirationDate = expirationDate;
return this;
}
public Builder signature(String signature) {
this.signature = signature;
return this;
}
public AttachmentAccessToken build() {
Preconditions.checkNotNull(username);
Preconditions.checkNotNull(blobId);
Preconditions.checkArgument(! blobId.isEmpty());
Preconditions.checkNotNull(expirationDate);
Preconditions.checkNotNull(signature);
return new AttachmentAccessToken(username, blobId, expirationDate, signature);
}
}
private final String username;
private final String blobId;
private final ZonedDateTime expirationDate;
private final String signature;
@VisibleForTesting
AttachmentAccessToken(String username, String blobId, ZonedDateTime expirationDate, String signature) {
this.username = username;
this.blobId = blobId;
this.expirationDate = expirationDate;
this.signature = signature;
}
public String getBlobId() {
return blobId;
}
public String getUsername() {
return username;
}
@Override
public ZonedDateTime getExpirationDate() {
return expirationDate;
}
@Override
public String getSignature() {
return signature;
}
public String serialize() {
return getPayload()
+ SEPARATOR
+ signature;
}
@Override
public String getPayload() {
return username
+ SEPARATOR
+ DateTimeFormatter.ISO_OFFSET_DATE_TIME.format(expirationDate);
}
@Override
public String getSignedContent() {
return blobId
+ SEPARATOR
+ getPayload();
}
@Override
public boolean equals(Object other) {
if (other instanceof AttachmentAccessToken) {
AttachmentAccessToken attachmentAccessToken = (AttachmentAccessToken) other;
return Objects.equals(username, attachmentAccessToken.username)
&& Objects.equals(blobId, attachmentAccessToken.blobId)
&& Objects.equals(expirationDate, attachmentAccessToken.expirationDate)
&& Objects.equals(signature, attachmentAccessToken.signature);
}
return false;
}
@Override
public int hashCode() {
return Objects.hash(username, blobId, expirationDate, signature);
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("username", username)
.add("blobId", blobId)
.add("expirationDate", expirationDate)
.add("signature", signature)
.toString();
}
}