com.sun.jersey.oauth.signature.OAuthParameters Maven / Gradle / Ivy
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package com.sun.jersey.oauth.signature;
import com.sun.jersey.api.uri.UriComponent;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.UUID;
/**
* A data structure class that represents OAuth protocol parameters.
*
* @author Hubert A. Le Van Gong
* @author Paul C. Bryan
*/
public class OAuthParameters extends HashMap {
/** Name of HTTP authorization header. */
public static final String AUTHORIZATION_HEADER = "Authorization";
/** OAuth scheme in Authorization header. */
public static final String SCHEME = "OAuth";
/** Name of parameter containing the protection realm. */
public static final String REALM = "realm";
/** Name of parameter containing the consumer key. */
public static final String CONSUMER_KEY = "oauth_consumer_key";
/** Name of parameter containing the access/request token. */
public static final String TOKEN = "oauth_token";
/** Name of parameter containing the signature method. */
public static final String SIGNATURE_METHOD = "oauth_signature_method";
/** Name of parameter containing the signature. */
public static final String SIGNATURE = "oauth_signature";
/** Name of parameter containing the timestamp. */
public static final String TIMESTAMP = "oauth_timestamp";
/** Name of parameter containing the nonce. */
public static final String NONCE = "oauth_nonce";
/** Name of parameter containing the protocol version. */
public static final String VERSION = "oauth_version";
/** Name of parameter containing the verifier code. */
public static final String VERIFIER = "oauth_verifier";
/** Name of parameter containing the callback URL. */
public static final String CALLBACK = "oauth_callback";
/** Name of parameter containing the token secret.
* This parameter is never used in requests. It is part of a response to the request token and access token requests.
*/
public static final String TOKEN_SECRET = "oauth_token_secret";
/** Name of parameter containing the token secret.
* This parameter is never used in requests. It is part of a response to the request token requests.
*/
public static final String CALLBACK_CONFIRMED = "oauth_callback_confirmed";
/* Authorization scheme and delimiter. */
private static final String SCHEME_SPACE = SCHEME + ' ';
/**
* Returns the protection realm for the request.
*/
public String getRealm() {
return get(REALM);
}
/**
* Sets the protection realm for the request.
*/
public void setRealm(String realm) {
put(REALM, realm);
}
/**
* Builder pattern method to return {@link OAuthParameters} after setting
* protection realm.
*
* @param realm the protection realm for the request.
* @return this parameters object.
*/
public OAuthParameters realm(String realm) {
setRealm(realm);
return this;
}
/**
* Returns the consumer key.
*/
public String getConsumerKey() {
return get(CONSUMER_KEY);
}
/**
* Sets the consumer key.
*/
public void setConsumerKey(String consumerKey) {
put(CONSUMER_KEY, consumerKey);
}
/**
* Builder pattern method to return {@link OAuthParameters} after setting
* consumer key.
*
* @param consumerKey the consumer key.
*/
public OAuthParameters consumerKey(String consumerKey) {
setConsumerKey(consumerKey);
return this;
}
/**
* Returns the request or access token.
*/
public String getToken() {
return get(TOKEN);
}
@Override
public String put(String key, String value) {
return value == null ? remove(key) : super.put(key, value);
}
/**
* Sets the request or access token.
*/
public void setToken(String token) {
if (token == null) {
remove(TOKEN);
} else {
put(TOKEN, token);
}
}
/**
* Builder pattern method to return {@link OAuthParameters} after setting
* token.
*
* @param token the access or request token.
* @return this parameters object.
*/
public OAuthParameters token(String token) {
setToken(token);
return this;
}
/**
* Returns the signature method used to sign the request.
*/
public String getSignatureMethod() {
return get(SIGNATURE_METHOD);
}
/**
* Sets the signature method used to sign the request.
*/
public void setSignatureMethod(String signatureMethod) {
put(SIGNATURE_METHOD, signatureMethod);
}
/**
* Builder pattern method to return {@link OAuthParameters} after setting
* signature method.
*
* @param signatureMethod the signature method used to sign the request.
* @return this parameters object.
*/
public OAuthParameters signatureMethod(String signatureMethod) {
setSignatureMethod(signatureMethod);
return this;
}
/**
* Returns the signature for the request.
*/
public String getSignature() {
return get(SIGNATURE);
}
/**
* Sets the signature for the request.
*/
public void setSignature(String signature) {
put(SIGNATURE, signature);
}
/**
* Builder pattern method to return {@link OAuthParameters} after setting
* signature.
*
* @param signature the signature for the request.
* @return this parameters object.
*/
public OAuthParameters signature(String signature) {
setSignature(signature);
return this;
}
/**
* Returns the timestamp, a value expected to be a positive integer,
* typically containing the number of seconds since January 1, 1970
* 00:00:00 GMT (epoch).
*/
public String getTimestamp() {
return get(TIMESTAMP);
}
/**
* Sets the timestamp. Its value is not validated, but should be a
* positive integer, typically containing the number of seconds since
* January 1, 1970 00:00:00 GMT (epoch).
*/
public void setTimestamp(String timestamp) {
put(TIMESTAMP, timestamp);
}
/**
* Builder pattern method to return {@link OAuthParameters} after setting
* timestamp.
*
* @param timestamp positive integer, typically number of seconds since epoch.
* @return this parameters object.
*/
public OAuthParameters timestamp(String timestamp) {
setTimestamp(timestamp);
return this;
}
/**
* Sets the timestamp to the current time as number of seconds since epoch.
*/
public void setTimestamp() {
setTimestamp(new Long(System.currentTimeMillis() / 1000).toString());
}
/**
* Builder pattern method to return {@link OAuthParameters} after setting
* timestamp to the current time.
*
* @return this parameters object.
*/
public OAuthParameters timestamp() {
setTimestamp();
return this;
}
/**
* Returns the nonce, a value that should be unique for a given
* timestamp.
*/
public String getNonce() {
return get(NONCE);
}
/**
* Sets the nonce, a value that should be unique for a given timestamp.
*/
public void setNonce(String nonce) {
put(NONCE, nonce);
}
/**
* Builder pattern method to return {@link OAuthParameters} after setting
* nonce.
*
* @param nonce a value that should be unique for a given timestamp.
* @return this parameters object.
*/
public OAuthParameters nonce(String nonce) {
setNonce(nonce);
return this;
}
/**
* Sets the nonce to contain a randomly-generated UUID.
*/
public void setNonce() {
setNonce(UUID.randomUUID().toString());
}
/**
* Builder pattern method to return {@link OAuthParameters} after setting
* nonce to a randomly-generated UUID.
*
* @return this parameters object.
*/
public OAuthParameters nonce() {
setNonce();
return this;
}
/**
* Returns the protocol version.
*/
public String getVersion() {
return get(VERSION);
}
/**
* Sets the protocol version.
*/
public void setVersion(String version) {
put(VERSION, version);
}
/**
* Builder pattern method to return {@link OAuthParameters} after setting
* version.
*
* @param version the protocol version.
* @return this parameters object.
*/
public OAuthParameters version(String version) {
setVersion(version);
return this;
}
/**
* Sets the protocol version to the default value of 1.0.
*/
public void setVersion() {
setVersion("1.0");
}
/**
* Builder pattern method to return {@link OAuthParameters} after setting
* version to the default value of 1.0.
*
* @return this parameters object.
*/
public OAuthParameters version() {
setVersion();
return this;
}
/**
* Returns the verifier code.
*/
public String getVerifier() {
return get(VERIFIER);
}
/**
* Sets the verifier code.
*/
public void setVerifier(String verifier) {
put(VERIFIER, verifier);
}
/**
* Builder pattern method to return {@link OAuthParameters} after setting
* verifier code.
*
* @param verifier the verifier code.
* @return this parameters object.
*/
public OAuthParameters verifier(String verifier) {
setVerifier(verifier);
return this;
}
/**
* Returns the callback URL.
*/
public String getCallback() {
return get(CALLBACK);
}
/**
* Sets the callback URL.
*/
public void setCallback(String callback) {
put(CALLBACK, callback);
}
/**
* Builder pattern method to return {@link OAuthParameters} after setting
* callback URL.
*
* @param callback the callback URL.
* @return this parameters object.
*/
public OAuthParameters callback(String callback) {
setCallback(callback);
return this;
}
/**
* Removes (optional) quotation marks encapsulating parameter values in the
* Authorization header and returns the result.
*/
private static String dequote(String value) {
int length = value.length();
return ((length >= 2 && value.charAt(0) == '"' && value.charAt(length - 1) == '"') ?
value.substring(1, length - 1) : value);
}
/**
* Reads a request for OAuth parameters, and populates this object.
*
* @param request the request to read OAuth parameters from.
* @return this parameters object.
*/
public OAuthParameters readRequest(OAuthRequest request) {
// read supported parameters from query string or request body (lowest preference)
for (String param : request.getParameterNames()) {
if (!param.startsWith("oauth_")) {
continue;
}
List values = request.getParameterValues(param);
if (values == null) {
continue;
}
Iterator i = values.iterator();
if (!i.hasNext()) {
continue;
}
put(param, i.next());
}
// read all parameters from authorization header (highest preference)
List headers = request.getHeaderValues(AUTHORIZATION_HEADER);
if (headers == null) { return this; }
for (String header : headers) {
if (!header.regionMatches(true, 0, SCHEME_SPACE, 0, SCHEME_SPACE.length())) {
continue;
}
for (String param : header.substring(SCHEME_SPACE.length()).trim().split(",(?=(?:[^\"]*\"[^\"]*\")+$)")) {
String[] nv = param.split("=", 2);
if (nv.length != 2) {
continue;
}
put(UriComponent.decode(nv[0].trim(), UriComponent.Type.UNRESERVED),
UriComponent.decode(dequote(nv[1].trim()), UriComponent.Type.UNRESERVED));
}
}
return this;
}
/**
* Writes the OAuth parameters to a request, as an Authorization header.
*
* @param request the request to write OAuth parameters to.
* @return this parameters object.
*/
public OAuthParameters writeRequest(OAuthRequest request) {
StringBuilder buf = new StringBuilder(SCHEME);
boolean comma = false;
for (String key : keySet()) {
String value = get(key);
if (value == null) {
continue;
}
buf.append(comma ? ", " : " ").append(UriComponent.encode(key, UriComponent.Type.UNRESERVED));
buf.append("=\"").append(UriComponent.encode(value, UriComponent.Type.UNRESERVED)).append('"');
comma = true;
}
request.addHeaderValue(AUTHORIZATION_HEADER, buf.toString());
return this;
}
}
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