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OAuth 2.0 SDK with OpenID Connection extensions for developing client
and server applications.
package com.nimbusds.openid.connect.sdk;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.Map;
import com.nimbusds.oauth2.sdk.ParseException;
import com.nimbusds.oauth2.sdk.http.HTTPResponse;
import com.nimbusds.oauth2.sdk.util.URIUtils;
import com.nimbusds.oauth2.sdk.util.URLUtils;
/**
* Parser of OpenID Connect authentication response messages.
*
* Related specifications:
*
*
* - OpenID Connect Core 1.0, sections 3.1.2.5. and 3.1.2.6.
*
*/
public class AuthenticationResponseParser {
/**
* Parses an OpenID Connect authentication success or error response
* from the specified redirection URI and parameters.
*
* @param redirectURI The base redirection URI. Must not be
* {@code null}.
* @param params The response parameters to parse. Must not be
* {@code null}.
*
* @return The OpenID Connect authentication success or error response.
*
* @throws ParseException If the parameters couldn't be parsed to an
* OpenID Connect authentication success or
* error response.
*/
public static AuthenticationResponse parse(final URI redirectURI,
final Map params)
throws ParseException {
if (params.containsKey("error"))
return AuthenticationErrorResponse.parse(redirectURI, params);
else
return AuthenticationSuccessResponse.parse(redirectURI, params);
}
/**
* Parses an OpenID Connect authentication success or error response
* from the specified URI.
*
* Example URI:
*
*
* https://client.example.com/cb?code=SplxlOBeZQQYbYS6WxSbIA&state=xyz
*
*
* @param uri The URI to parse. Can be absolute or relative, with a
* fragment or query string containing the authentication
* response parameters. Must not be {@code null}.
*
* @return The OpenID Connect authentication success or error response.
*
* @throws ParseException If the redirection URI couldn't be parsed to
* an OpenID Connect authentication success or
* error response.
*/
public static AuthenticationResponse parse(final URI uri)
throws ParseException {
String paramString;
if (uri.getRawQuery() != null) {
paramString = uri.getRawQuery();
} else if (uri.getRawFragment() != null) {
paramString = uri.getRawFragment();
} else {
throw new ParseException("Missing authorization response parameters");
}
Map params = URLUtils.parseParameters(paramString);
if (params == null)
throw new ParseException("Missing or invalid authorization response parameters");
return parse(URIUtils.getBaseURI(uri), params);
}
/**
* Parses an OpenID Connect authentication success or error response
* from the specified HTTP response.
*
* Example HTTP response:
*
*
* HTTP/1.1 302 Found
* Location: https://client.example.com/cb?code=SplxlOBeZQQYbYS6WxSbIA&state=xyz
*
*
* @param httpResponse The HTTP response to parse. Must not be
* {@code null}.
*
* @return The OpenID Connect authentication success or error response.
*
* @throws ParseException If the HTTP response couldn't be parsed to an
* OpenID Connect authentication success or
* error response.
*/
public static AuthenticationResponse parse(final HTTPResponse httpResponse)
throws ParseException {
if (httpResponse.getStatusCode() != HTTPResponse.SC_FOUND)
throw new ParseException("Unexpected HTTP status code, must be 302 (Found): " +
httpResponse.getStatusCode());
URL location = httpResponse.getLocation();
if (location == null)
throw new ParseException("Missing redirection URI / HTTP Location header");
try {
return parse(location.toURI());
} catch (URISyntaxException e) {
throw new ParseException(e.getMessage(), e);
}
}
/**
* Prevents public instantiation.
*/
private AuthenticationResponseParser() { }
}