Examples with UnsupportedSignatureMethodException org.springframework.security.oauth.common.signature.UnsupportedSignatureMethodException used on opensource projects

Example 1 with UnsupportedSignatureMethodException

use of org.springframework.security.oauth.common.signature.UnsupportedSignatureMethodException in project spring-security-oauth by spring-projects.

the class CoreOAuthConsumerSupport method loadOAuthParameters.

/**
   * Loads the OAuth parameters for the given resource at the given URL and the given token. These parameters include
   * any query parameters on the URL since they are included in the signature. The oauth parameters are NOT encoded.
   *
   * @param details      The resource details.
   * @param requestURL   The request URL.
   * @param requestToken The request token.
   * @param httpMethod   The http method.
   * @param additionalParameters Additional oauth parameters (outside of the core oauth spec).
   * @return The parameters.
   */
protected Map<String, Set<CharSequence>> loadOAuthParameters(ProtectedResourceDetails details, URL requestURL, OAuthConsumerToken requestToken, String httpMethod, Map<String, String> additionalParameters) {
    Map<String, Set<CharSequence>> oauthParams = new TreeMap<String, Set<CharSequence>>();
    if (additionalParameters != null) {
        for (Map.Entry<String, String> additionalParam : additionalParameters.entrySet()) {
            Set<CharSequence> values = oauthParams.get(additionalParam.getKey());
            if (values == null) {
                values = new HashSet<CharSequence>();
                oauthParams.put(additionalParam.getKey(), values);
            }
            if (additionalParam.getValue() != null) {
                values.add(additionalParam.getValue());
            }
        }
    }
    String query = requestURL.getQuery();
    if (query != null) {
        StringTokenizer queryTokenizer = new StringTokenizer(query, "&");
        while (queryTokenizer.hasMoreElements()) {
            String token = (String) queryTokenizer.nextElement();
            CharSequence value = null;
            int equalsIndex = token.indexOf('=');
            if (equalsIndex < 0) {
                token = urlDecode(token);
            } else {
                value = new QueryParameterValue(urlDecode(token.substring(equalsIndex + 1)));
                token = urlDecode(token.substring(0, equalsIndex));
            }
            Set<CharSequence> values = oauthParams.get(token);
            if (values == null) {
                values = new HashSet<CharSequence>();
                oauthParams.put(token, values);
            }
            if (value != null) {
                values.add(value);
            }
        }
    }
    String tokenSecret = requestToken == null ? null : requestToken.getSecret();
    String nonce = getNonceFactory().generateNonce();
    oauthParams.put(OAuthConsumerParameter.oauth_consumer_key.toString(), Collections.singleton((CharSequence) details.getConsumerKey()));
    if ((requestToken != null) && (requestToken.getValue() != null)) {
        oauthParams.put(OAuthConsumerParameter.oauth_token.toString(), Collections.singleton((CharSequence) requestToken.getValue()));
    }
    oauthParams.put(OAuthConsumerParameter.oauth_nonce.toString(), Collections.singleton((CharSequence) nonce));
    oauthParams.put(OAuthConsumerParameter.oauth_signature_method.toString(), Collections.singleton((CharSequence) details.getSignatureMethod()));
    oauthParams.put(OAuthConsumerParameter.oauth_timestamp.toString(), Collections.singleton((CharSequence) String.valueOf(System.currentTimeMillis() / 1000)));
    oauthParams.put(OAuthConsumerParameter.oauth_version.toString(), Collections.singleton((CharSequence) "1.0"));
    String signatureBaseString = getSignatureBaseString(oauthParams, requestURL, httpMethod);
    OAuthSignatureMethod signatureMethod;
    try {
        signatureMethod = getSignatureFactory().getSignatureMethod(details.getSignatureMethod(), details.getSharedSecret(), tokenSecret);
    } catch (UnsupportedSignatureMethodException e) {
        throw new OAuthRequestFailedException(e.getMessage(), e);
    }
    String signature = signatureMethod.sign(signatureBaseString);
    oauthParams.put(OAuthConsumerParameter.oauth_signature.toString(), Collections.singleton((CharSequence) signature));
    return oauthParams;
}