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package cgeo.geocaching.network;
import cgeo.geocaching.utils.CryptUtils;
import ch.boye.httpclientandroidlib.NameValuePair;
import org.apache.commons.lang3.StringUtils;
import org.eclipse.jdt.annotation.Nullable;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
public class OAuth {
public static void signOAuth(final String host,
final String path,
final String method,
final boolean https,
final Parameters params,
@Nullable final String token,
@Nullable final String tokenSecret,
final String consumerKey,
final String consumerSecret) {
params.put(
"oauth_consumer_key", consumerKey,
"oauth_nonce", CryptUtils.md5(Long.toString(System.currentTimeMillis())),
"oauth_signature_method", "HMAC-SHA1",
"oauth_timestamp", Long.toString(new Date().getTime() / 1000),
"oauth_token", StringUtils.defaultString(token),
"oauth_version", "1.0");
params.sort();
final List<String> paramsEncoded = new ArrayList<String>();
for (final NameValuePair nameValue : params) {
paramsEncoded.add(nameValue.getName() + "=" + Network.rfc3986URLEncode(nameValue.getValue()));
}
final String keysPacked = consumerSecret + "&" + StringUtils.defaultString(tokenSecret); // both even if empty some of them!
final String requestPacked = method + "&" + Network.rfc3986URLEncode((https ? "https" : "http") + "://" + host + path) + "&" + Network.rfc3986URLEncode(StringUtils.join(paramsEncoded.toArray(), '&'));
params.put("oauth_signature", CryptUtils.base64Encode(CryptUtils.hashHmac(requestPacked, keysPacked)));
}
}
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