1 files changed, 53 insertions, 0 deletions
diff --git a/src/cgeo/geocaching/cgOAuth.java b/src/cgeo/geocaching/cgOAuth.java
new file mode 100644
index 0000000..8897993
--- /dev/null
+++ b/src/cgeo/geocaching/cgOAuth.java
@@ -0,0 +1,53 @@
+package cgeo.geocaching;
+
+import java.util.Date;
+import java.util.Arrays;
+import java.util.ArrayList;
+import java.util.HashMap;
+
+public class cgOAuth {
+	public static String signOAuth(String host, String path, String method, boolean https, HashMap<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", cgBase.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");
+
+		Object[] keys = params.keySet().toArray();
+		Arrays.sort(keys);
+
+		ArrayList<String> paramsEncoded = new ArrayList<String>();
+		for (int i = 0; i < keys.length; i++) {
+			String value = params.get(keys[i].toString());
+
+			paramsEncoded.add(keys[i] + "=" + cgBase.urlencode_rfc3986(value.toString()));
+		}
+
+		String keysPacked;
+		String requestPacked;
+
+		keysPacked = cgSettings.keyConsumerSecret + "&" + tokenSecret; // both even if empty some of them!
+		if (https == true) 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(cgBase.hashHmac(requestPacked, keysPacked))));
+
+		paramsDone = cgBase.implode("&", paramsEncoded.toArray());
+
+		return paramsDone;
+	}
+}
+\ No newline at end of file