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        4. Generating a signature and expires in java

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        • TRich50
          TRich50 last edited by

          Hello,

          I am developing a tool for my company to get stats from SeoMoz using your API.  During development, I have been using the example signature and expires values which are auto-generated for me.  Now that testing is complete, my code will need to generate these values.  I have been googling looking for a resource demonstrating how to do this using Java, but I have not found a good example.  I was hoping that someone at SeoMoz would have a resource or an example that they could share.

          The email associated with this account belongs to a non-developer, so if a response is provided via email in addition to the forum, sending it to my email would be much appreciated.

          Thank you,

          Anthony

          [email protected]

          1 Reply Last reply Reply Quote 0
          • TRich50
            TRich50 last edited by

            Never mind,  I have come up with a solution:

            package com.yourpackage.signature;

            import java.io.IOException;
            import java.security.InvalidKeyException;
            import java.security.NoSuchAlgorithmException;
            import java.util.Date;

            import javax.crypto.Mac;
            import javax.crypto.spec.SecretKeySpec;

            import org.apache.geronimo.mail.util.Base64; //can be whichever flavor of encoder you'd like

            public class SignatureGenerator {

            public static final String ACCESS_ID = "member-XXXXXXX";
                public static final String SECRET_KEY = "XXXXXXXXXXXXXXXXXXXXXXXXXXx";

            //expireTime should be in seconds since Jan 1 1970 : new Date().getTime()/1000) + X
                public static String generateSignature(String data, String key, String expireTime, String algorithm)
                        throws InvalidKeyException, NoSuchAlgorithmException, IOException {

            data += expireTime;

            byte[] hmacData = null;

            SecretKeySpec secretKey = new SecretKeySpec(key.getBytes("UTF-8"),
                                algorithm);
                        Mac mac = Mac.getInstance(algorithm);
                        mac.init(secretKey);
                        hmacData = mac.doFinal(data.getBytes("UTF-8"));

            String encoded = new String(Base64.encode(hmacData));

            return encoded;
                }

            public static void main(String[] args) {
                    try {

            Long longTime = new Long(new Date().getTime()/1000) + 60;

            System.out.println(longTime);

            String data = ACCESS_ID + "\n";

            System.out.println(generateSignature(data, SECRET_KEY, String.valueOf(longTime), "HMACSHA1"));
                    } catch (Exception e) {
                        e.printStackTrace();
                    }

            }

            }

            1 Reply Last reply Reply Quote 0
            • TRich50
              TRich50 last edited by

              There has been no response from SeoMoz on this forum or to my email.

              Please provide some feedback.  I am afraid If I cannot solve this issue I will be forced to cancel our account as it is not practical for me to manually load the sample signature and expired value on a daily basis.

              1 Reply Last reply Reply Quote 0
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