On you code it seem you are using the MD5 to hash. However expected hashing
mechanism is SH-1 according to doc.
Hence, please try with MessageDigest md =
MessageDigest.getInstance("SHA-1");
MessageDigest md = MessageDigest.getInstance("MD5");
On Thu, Dec 11, 2014 at 9:21 PM, Vanii Thiyagarajah <[email protected]> wrote:
> I am implementing the slideshare Connector using slideshare API.
>
> I have to set this to the SHA1 hash of the concatenation of the shared
> secret and the timestamp (ts). i.e. SHA1 (sharedsecret + timestamp).
>
>
> package org.wso2.carbon.connector;
>
> import java.math.BigInteger;
> import java.security.MessageDigest;
> import java.util.*;
> import org.apache.synapse.MessageContext;
> import java.io.UnsupportedEncodingException;
> import java.security.InvalidKeyException;
> import java.security.NoSuchAlgorithmException;
>
> import org.apache.synapse.SynapseException;
> import org.apache.synapse.mediators.AbstractMediator;
>
> /**
> * Created by vanii on 12/9/14.
> */
> public class Encoder extends AbstractMediator {
>
> public static final String sha1Key = "uri.var.sha1Key";
>
> public void generateHash(MessageContext msgctx) throws
> UnsupportedEncodingException,NoSuchAlgorithmException, InvalidKeyException {
> StringBuilder baseString = new StringBuilder();
> * MessageDigest md = MessageDigest.getInstance("MD5");*
>
>
> String timeStamp=String.valueOf(System.currentTimeMillis() / 1000);
> msgctx.setProperty("uri.var.ts",timeStamp);
>
>
> String input = msgctx.getProperty("uri.var.sha1Key").toString() +
> timeStamp;
> md.update(input.getBytes());
>
> String hash = String.format("%032x", new BigInteger(1,
> md.digest()));
> msgctx.setProperty("uri.var.hash",hash);
> }
>
> public boolean mediate(MessageContext msgctx) {
> try {
> generateHash(msgctx);
> } catch (Exception e) {
> throw new SynapseException(e);
> }
> return true;
> }
> }
>
>
>
> I am getting but the response says hashing is not correct.
>
>
> [1]
> [2014-12-11 20:26:01,652] DEBUG - headers http-outgoing-8 >> GET
> https://www.slideshare.net/api/2/get_slideshow?api_key=4yCEGJou&ts=1418309760&hash=901c42f4bb22ee6617f2c82c81547bd3ad9b5b95&slideshow_id=124324&slideshow_url=http://www.slideshare.net/cocog520/-124324
> HTTP/1.1
> [2014-12-11 20:26:01,652] DEBUG - headers http-outgoing-8 >>
> Accept-Language: en-US,en;q=0.8
> [2014-12-11 20:26:01,652] DEBUG - headers http-outgoing-8 >> Cookie:
> SERVERID=r87|VImwL|VImwJ
> [2014-12-11 20:26:01,652] DEBUG - headers http-outgoing-8 >>
> Accept-Encoding: gzip,deflate
> [2014-12-11 20:26:01,653] DEBUG - headers http-outgoing-8 >> Origin:
> chrome-extension://
> hgmloofddffdnphfgcellkdfbfbjeloo
> [2014-12-11 20:26:01,653] DEBUG - headers http-outgoing-8 >> Content-Type:
> application/json
> [2014-12-11 20:26:01,653] DEBUG - headers http-outgoing-8 >> Accept: */*
> [2014-12-11 20:26:01,653] DEBUG - headers http-outgoing-8 >> Host:
> www.slideshare.net:80
> [2014-12-11 20:26:01,653] DEBUG - headers http-outgoing-8 >> Connection:
> Keep-Alive
> [2014-12-11 20:26:01,653] DEBUG - headers http-outgoing-8 >> User-Agent:
> Synapse-PT-HttpComponents-NIO
> [2014-12-11 20:26:01,654] DEBUG - wire << "GET
> https://www.slideshare.net/api/2/get_slideshow?api_key=4yCEGJou&ts=1418309760&hash=901c42f4bb22ee6617f2c82c81547bd3ad9b5b95&slideshow_id=124324&slideshow_url=http://www.slideshare.net/cocog520/-124324
> HTTP/1.1[\r][\n]"
> [2014-12-11 20:26:01,654] DEBUG - wire << "Accept-Language:
> en-US,en;q=0.8[\r][\n]"
> [2014-12-11 20:26:01,654] DEBUG - wire << "Cookie:
> SERVERID=r87|VImwL|VImwJ[\r][\n]"
> [2014-12-11 20:26:01,654] DEBUG - wire << "Accept-Encoding:
> gzip,deflate[\r][\n]"
> [2014-12-11 20:26:01,655] DEBUG - wire << "Origin:
> chrome-extension://hgmloofddffdnphfgcellkdfbfbjeloo[\r][\n]"
> [2014-12-11 20:26:01,655] DEBUG - wire << "Content-Type:
> application/json[\r][\n]"
> [2014-12-11 20:26:01,655] DEBUG - wire << "Accept: */*[\r][\n]"
> [2014-12-11 20:26:01,655] DEBUG - wire << "Host: www.slideshare.net:80
> [\r][\n]"
> [2014-12-11 20:26:01,655] DEBUG - wire << "Connection: Keep-Alive[\r][\n]"
> [2014-12-11 20:26:01,655] DEBUG - wire << "User-Agent:
> Synapse-PT-HttpComponents-NIO[\r][\n]"
>
>
> i am getting the error response in Rest Client
>
> <?xml version="1.0" encoding="UTF-8" ?>
> <SlideShareServiceError>
> <Message ID="1">
> Failed API validation
> </Message>
> </SlideShareServiceError>
>
>
--
Sivajothy Vanjikumaran
*Senior Software Engineer*
*Integration Technologies Team*
*WSO2 Inc. http://wso2.com <http://wso2.com/>*
*Mobile:(+94)777219209*
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<http://www.slideshare.net/vanjikumaran>
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