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package cgeo.geocaching;
import cgeo.geocaching.utils.CryptUtils;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.Map;
public class cgOAuth {
public static String signOAuth(String host, String path, String method, boolean https, Map<String, String> params, String token, String tokenSecret) {
String paramsDone = "";
if (method.equalsIgnoreCase("GET") == false && method.equalsIgnoreCase("POST") == false) {
method = "POST";
} else {
method = method.toUpperCase();
}
if (token == null)
token = "";
if (tokenSecret == null)
tokenSecret = "";
long currentTime = new Date().getTime(); // miliseconds
currentTime = currentTime / 1000; // seconds
currentTime = (long) Math.floor(currentTime);
params.put("oauth_consumer_key", cgSettings.keyConsumerPublic);
params.put("oauth_nonce", CryptUtils.md5(Long.toString(System.currentTimeMillis())));
params.put("oauth_signature_method", "HMAC-SHA1");
params.put("oauth_timestamp", Long.toString(currentTime));
params.put("oauth_token", token);
params.put("oauth_version", "1.0");
String[] keys = new String[params.keySet().size()];
params.keySet().toArray(keys);
Arrays.sort(keys);
List<String> paramsEncoded = new ArrayList<String>();
for (String key : keys) {
String value = params.get(key);
paramsEncoded.add(key + "=" + cgBase.urlencode_rfc3986(value));
}
String keysPacked;
String requestPacked;
keysPacked = cgSettings.keyConsumerSecret + "&" + tokenSecret; // both even if empty some of them!
if (https)
requestPacked = method + "&" + cgBase.urlencode_rfc3986("https://" + host + path) + "&" + cgBase.urlencode_rfc3986(cgBase.implode("&", paramsEncoded.toArray()));
else
requestPacked = method + "&" + cgBase.urlencode_rfc3986("http://" + host + path) + "&" + cgBase.urlencode_rfc3986(cgBase.implode("&", paramsEncoded.toArray()));
paramsEncoded.add("oauth_signature=" + cgBase.urlencode_rfc3986(cgBase.base64Encode(CryptUtils.hashHmac(requestPacked, keysPacked))));
paramsDone = cgBase.implode("&", paramsEncoded.toArray());
return paramsDone;
}
}
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