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2 File Name: FHAgentCustomAzureSASToken.jar, Done.
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11 Decompilation Results
12File Name: FHAgentCustomAzureSASToken.jar
13Decompiler: JDCore
14Job status: Done.
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21
22 FHAgentCustomAzureSASToken.jar   net   fiscalhub   TokenSASAzure.java
23 package net.fiscalhub;
24
25import java.io.UnsupportedEncodingException;
26import java.net.URLEncoder;
27import java.security.InvalidKeyException;
28import java.security.NoSuchAlgorithmException;
29import java.util.Base64.Encoder;
30import javax.crypto.Mac;
31
32public class TokenSASAzure
33{
34  public TokenSASAzure() {}
35  
36  public static String GetSASToken(String resourceUri, String keyName, String key)
37  {
38    long epoch = System.currentTimeMillis() / 1000L;
39    int week = 604800;
40    String expiry = Long.toString(epoch + week);
41    
42    String sasToken = null;
43    try
44    {
45      String stringToSign = URLEncoder.encode(resourceUri, "UTF-8") + "\n" + expiry;
46      String signature = getHMAC256(key, stringToSign);
47      sasToken = "SharedAccessSignature sr=" + URLEncoder.encode(resourceUri, "UTF-8") + "&sig=" + 
48        URLEncoder.encode(signature, "UTF-8") + "&se=" + expiry + "&skn=" + keyName;
49    }
50    catch (UnsupportedEncodingException e)
51    {
52      e.printStackTrace();
53    }
54    return sasToken;
55  }
56  
57  private static String getHMAC256(String key, String input)
58  {
59    Mac sha256_HMAC = null;
60    String hash = null;
61    try
62    {
63      sha256_HMAC = Mac.getInstance("HmacSHA256");
64      javax.crypto.spec.SecretKeySpec secret_key = new javax.crypto.spec.SecretKeySpec(key.getBytes(), "HmacSHA256");
65      sha256_HMAC.init(secret_key);
66      Base64.Encoder encoder = java.util.Base64.getEncoder();
67      
68      hash = new String(encoder.encode(sha256_HMAC.doFinal(input.getBytes("UTF-8"))));
69    }
70    catch (InvalidKeyException e)
71    {
72      e.printStackTrace();
73    }
74    catch (NoSuchAlgorithmException e)
75    {
76      e.printStackTrace();
77    }
78    catch (IllegalStateException e)
79    {
80      e.printStackTrace();
81    }
82    catch (UnsupportedEncodingException e)
83    {
84      e.printStackTrace();
85    }
86    return hash;
87  }
88}
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