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Liferay Document Library Opener OneDrive Web
/**
* Copyright 2010 Google Inc.
*
* 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 net.oauth.signatures;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.SignatureException;
import org.apache.commons.codec.binary.Base64;
import net.oauth.jsontoken.Clock;
import net.oauth.jsontoken.JsonToken;
import net.oauth.jsontoken.crypto.Signer;
import com.google.common.base.Preconditions;
/**
* A signed OAuth token.
*/
public class SignedOAuthToken extends JsonToken {
public static final String AUTH_METHOD = "Token";
public static final String SIGNED_TOKEN_PARAM = "signed_token";
// addition JSON token payload fields for signed OAuth tokens
public static final String METHOD = "method";
public static final String BODY_HASH = "body_hash";
public static final String OAUTH_TOKEN = "token";
public static final String NONCE = "nonce";
public SignedOAuthToken(Signer signer, Clock clock) {
super(signer, clock);
}
public SignedOAuthToken(Signer signer) {
super(signer);
}
public SignedOAuthToken(JsonToken token) {
super(token.getPayloadAsJsonObject());
}
public String getMethod() {
return getParamAsPrimitive(METHOD).getAsString();
}
public void setMethod(String m) {
setParam(METHOD, m);
}
public String getBodyHash() {
return getParamAsPrimitive(BODY_HASH).getAsString();
}
public void setRequestBody(byte[] body) {
setParam(BODY_HASH, getBodyHash(body));
}
public String getOAuthToken() {
return getParamAsPrimitive(OAUTH_TOKEN).getAsString();
}
public void setOAuthToken(String t) {
setParam(OAUTH_TOKEN, t);
}
public String getNonce() {
return getParamAsPrimitive(NONCE).getAsString();
}
public void setNonce(String n) {
setParam(NONCE, n);
}
public String getAuthorizationHeader() throws SignatureException {
return AUTH_METHOD + " " + SIGNED_TOKEN_PARAM + "=" + serializeAndSign();
}
@Override
public String serializeAndSign() throws SignatureException {
Preconditions.checkNotNull(getOAuthToken(), "must set OAuth token");
Preconditions.checkNotNull(getNonce(), "must set nonce");
Preconditions.checkNotNull(getAudience(), "must set Audience");
Preconditions.checkNotNull(getMethod(), "must set method");
return super.serializeAndSign();
}
private String getBodyHash(byte[] requestBody) {
Preconditions.checkNotNull(requestBody);
String hashAlg = getSignatureAlgorithm().getHashAlgorithm();
MessageDigest digest;
try {
digest = MessageDigest.getInstance(hashAlg);
} catch (NoSuchAlgorithmException e) {
throw new IllegalStateException("platform is missing hash algorithm: " + hashAlg);
}
byte[] hash = digest.digest(requestBody);
return Base64.encodeBase64URLSafeString(hash);
}
}