~s-friedemann/tomdroid/sshfs

« back to all changes in this revision

Viewing changes to lib/signpost/signpost-core/src/main/java/oauth/signpost/signature/HmacSha1MessageSigner.java

• browse files at revision 185.2.7
• compare with another revision
• download diff
• download tarball
• view history from revision 185.2.7

Show diffs side-by-side

added

removed

lib/signpost/signpost-core/src/main/java/oauth/signpost/signature/HmacSha1MessageSigner.java

1

 

/* Copyright (c) 2009 Matthias Kaeppler

2

 

 *

3

 

 * Licensed under the Apache License, Version 2.0 (the "License");

4

 

 * you may not use this file except in compliance with the License.

5

 

 * You may obtain a copy of the License at

6

 

 *

7

 

 *     http://www.apache.org/licenses/LICENSE-2.0

8

 

 *

9

 

 * Unless required by applicable law or agreed to in writing, software

10

 

 * distributed under the License is distributed on an "AS IS" BASIS,

11

 

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

12

 

 * See the License for the specific language governing permissions and

13

 

 * limitations under the License.

14

 

 */

15

 

package oauth.signpost.signature;

16

 

 

17

 

import java.io.UnsupportedEncodingException;

18

 

import java.security.GeneralSecurityException;

19

 

import java.util.Map;

20

 

 

21

 

import javax.crypto.Mac;

22

 

import javax.crypto.SecretKey;

23

 

import javax.crypto.spec.SecretKeySpec;

24

 

 

25

 

import oauth.signpost.OAuth;

26

 

import oauth.signpost.exception.OAuthMessageSignerException;

27

 

import oauth.signpost.http.HttpRequest;

28

 

 

29

 

@SuppressWarnings("serial")

30

 

public class HmacSha1MessageSigner extends OAuthMessageSigner {

31

 

 

32

 

        private static final String MAC_NAME = "HmacSHA1";

33

 

 

34

 

        @Override

35

 

        public String sign(HttpRequest request, Map<String, String> oauthParameters)

36

 

                        throws OAuthMessageSignerException {

37

 

                try {

38

 

                        String keyString = OAuth.percentEncode(getConsumerSecret()) + '&'

39

 

                                        + OAuth.percentEncode(getTokenSecret());

40

 

                        byte[] keyBytes = keyString.getBytes(OAuth.ENCODING);

41

 

 

42

 

                        SecretKey key = new SecretKeySpec(keyBytes, MAC_NAME);

43

 

                        Mac mac = Mac.getInstance(MAC_NAME);

44

 

                        mac.init(key);

45

 

 

46

 

                        String sbs = computeSignatureBaseString(request, oauthParameters);

47

 

                        byte[] text = sbs.getBytes(OAuth.ENCODING);

48

 

 

49

 

                        return base64Encode(mac.doFinal(text)).trim();

50

 

                } catch (GeneralSecurityException e) {

51

 

                        throw new OAuthMessageSignerException(e);

52

 

                } catch (UnsupportedEncodingException e) {

53

 

                        throw new OAuthMessageSignerException(e);

54

 

                }

55

 

        }

56

 

}

• Older »

Loggerhead is a web-based interface for Breezy
Version: 2.0.1