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/*
* Copyright 2021 Google LLC
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Google LLC nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.google.auth.oauth2;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.util.HashMap;
import java.util.Map;
/**
* Stores the AWS API request signature based on the AWS Signature Version 4 signing process, and
* the parameters used in the signing process.
*/
class AwsRequestSignature {
private AwsSecurityCredentials awsSecurityCredentials;
private Map canonicalHeaders;
private String signature;
private String credentialScope;
private String url;
private String httpMethod;
private String date;
private String region;
private String authorizationHeader;
private AwsRequestSignature(
AwsSecurityCredentials awsSecurityCredentials,
Map canonicalHeaders,
String signature,
String credentialScope,
String url,
String httpMethod,
String date,
String region,
String authorizationHeader) {
this.awsSecurityCredentials = awsSecurityCredentials;
this.canonicalHeaders = canonicalHeaders;
this.signature = signature;
this.credentialScope = credentialScope;
this.url = url;
this.httpMethod = httpMethod;
this.date = date;
this.region = region;
this.authorizationHeader = authorizationHeader;
}
/** Returns the request signature based on the AWS Signature Version 4 signing process. */
String getSignature() {
return signature;
}
/** Returns the credential scope. e.g. 20150830/us-east-1/iam/aws4_request */
String getCredentialScope() {
return credentialScope;
}
/** Returns the AWS security credentials. */
AwsSecurityCredentials getSecurityCredentials() {
return awsSecurityCredentials;
}
/** Returns the request URL. */
String getUrl() {
return url;
}
/** Returns the HTTP request method. */
String getHttpMethod() {
return httpMethod;
}
/** Returns the HTTP request canonical headers. */
Map getCanonicalHeaders() {
return new HashMap<>(canonicalHeaders);
}
/** Returns the request date. */
String getDate() {
return date;
}
/** Returns the targeted region. */
String getRegion() {
return region;
}
/** Returns the authorization header. */
String getAuthorizationHeader() {
return authorizationHeader;
}
static class Builder {
private AwsSecurityCredentials awsSecurityCredentials;
private Map canonicalHeaders;
private String signature;
private String credentialScope;
private String url;
private String httpMethod;
private String date;
private String region;
private String authorizationHeader;
@CanIgnoreReturnValue
Builder setSignature(String signature) {
this.signature = signature;
return this;
}
@CanIgnoreReturnValue
Builder setCredentialScope(String credentialScope) {
this.credentialScope = credentialScope;
return this;
}
@CanIgnoreReturnValue
Builder setSecurityCredentials(AwsSecurityCredentials awsSecurityCredentials) {
this.awsSecurityCredentials = awsSecurityCredentials;
return this;
}
@CanIgnoreReturnValue
Builder setUrl(String url) {
this.url = url;
return this;
}
@CanIgnoreReturnValue
Builder setHttpMethod(String httpMethod) {
this.httpMethod = httpMethod;
return this;
}
@CanIgnoreReturnValue
Builder setCanonicalHeaders(Map canonicalHeaders) {
this.canonicalHeaders = new HashMap<>(canonicalHeaders);
return this;
}
@CanIgnoreReturnValue
Builder setDate(String date) {
this.date = date;
return this;
}
@CanIgnoreReturnValue
Builder setRegion(String region) {
this.region = region;
return this;
}
@CanIgnoreReturnValue
Builder setAuthorizationHeader(String authorizationHeader) {
this.authorizationHeader = authorizationHeader;
return this;
}
AwsRequestSignature build() {
return new AwsRequestSignature(
awsSecurityCredentials,
canonicalHeaders,
signature,
credentialScope,
url,
httpMethod,
date,
region,
authorizationHeader);
}
}
}
