/**
* 处理签名请求和参数
*
* @param url
* @param httpMethod
* @param parameters
* @return
*/
private String generateSignatureBase(URL url, String httpMethod, List<QParameter> parameters) {
StringBuilder base = new StringBuilder();
base.append(httpMethod.toUpperCase());
base.append("&");
base.append(QStr.encode(getNormalizedUrl(url)));
base.append("&");
base.append(QStr.encode(encodeParams(parameters)));
return base.toString();
}
/**
* 编码请求参数
*
* @param params
* @return
*/
private static String encodeParams(List<QParameter> params) {
StringBuilder result = new StringBuilder();
for (QParameter param : params) {
if (result.length() != 0) {
result.append("&");
}
result.append(QStr.encode(param.getName()));
result.append("=");
result.append(QStr.encode(param.getValue()));
}
return result.toString();
}
/**
* 生成签名值
*
* @param base
* @param consumerSecret
* @param accessTokenSecret
* @return
*/
private String generateSignature(String base, String consumerSecret, String accessTokenSecret) {
try {
Mac mac = Mac.getInstance(hashAlgorithmName);
String oauthSignature =
QStr.encode(consumerSecret)
+ "&"
+ ((accessTokenSecret == null) ? "" : QStr.encode(accessTokenSecret));
SecretKeySpec spec = new SecretKeySpec(oauthSignature.getBytes(), hashAlgorithmName);
mac.init(spec);
byte[] bytes = mac.doFinal(base.getBytes());
return new String(Base64Encoder.encode(bytes));
} catch (Exception e) {
}
return null;
}
/**
* 处理请求参数 和 生成签名
*
* @param url
* @param httpMethod
* @param consumerSecret
* @param tokenSecrect
* @param parameters
* @return
*/
public String getOauthParams(
String url,
String httpMethod,
String consumerSecret,
String tokenSecrect,
List<QParameter> parameters) {
Collections.sort(parameters);
String urlWithParameter = url;
String parameterString = encodeParams(parameters);
if (parameterString != null && !parameterString.equals("")) {
urlWithParameter += "?" + parameterString;
}
URL aUrl = null;
try {
aUrl = new URL(urlWithParameter);
} catch (MalformedURLException e) {
System.err.println("URL parse error:" + e.getLocalizedMessage());
}
String signature =
this.generateSignature(aUrl, consumerSecret, tokenSecrect, httpMethod, parameters);
parameterString += "&oauth_signature=";
parameterString += QStr.encode(signature);
return parameterString;
}