/**
* Non-idempotent RuleKeys are normally output as strings of 'x' characters, but when comparing
* two sets of RuleKeys in textual form it is necessary to mangle one of the two sets, so that
* non-idempotent RuleKeys are never considered equal.
*/
public String toString(boolean mangleNonIdempotent) {
if (!isIdempotent()) {
return new String(new char[Hashing.sha1().bits() / 4])
.replace("\0", mangleNonIdempotent ? "y" : "x");
}
return hashCode.toString();
}
private String generateHashKey(StringBuilder hashSourceBuilder, String apiKey) {
String hashSource = hashSourceBuilder.toString() + apiKey;
HashCode hashCode = Hashing.sha1().hashString(hashSource, Charset.defaultCharset());
Log.d(
LOG_TAG,
String.format("creating sha1 from [%s] resulted with hash [%s]", hashSource, hashCode));
return hashCode.toString();
}
private static String createStringToSign(
String date, String credentialScope, HashCode hashedCanonicalRequest) {
return ALGORITHM
+ "\n"
+ date
+ "\n"
+ credentialScope
+ "\n"
+ hashedCanonicalRequest.toString();
}
private static HashCode buildHashedCanonicalRequest(
String method,
String endpoint,
HashCode hashedPayload,
String canonicalizedHeadersString,
String signedHeaders) {
return Hashing.sha256()
.newHasher()
.putString(method, UTF_8)
.putString("\n", UTF_8)
.putString(endpoint, UTF_8)
.putString("\n", UTF_8)
.putString("\n", UTF_8)
.putString(canonicalizedHeadersString, UTF_8)
.putString("\n", UTF_8)
.putString(signedHeaders, UTF_8)
.putString("\n", UTF_8)
.putString(hashedPayload.toString(), UTF_8)
.hash();
}
/**
* This test validates that the md5sum() method returns hashes that match the official test
* vectors specified in RFC 1321, The MD5 Message-Digest Algorithm.
*
* @throws Exception
*/
@Test
public void testValidateMd5Sum() throws Exception {
ImmutableMap<String, String> testVectors =
ImmutableMap.<String, String>builder()
.put("", "d41d8cd98f00b204e9800998ecf8427e")
.put("a", "0cc175b9c0f1b6a831c399e269772661")
.put("abc", "900150983cd24fb0d6963f7d28e17f72")
.put("message digest", "f96b697d7cb7938d525a2f31aaf161d0")
.put("abcdefghijklmnopqrstuvwxyz", "c3fcd3d76192e4007dfb496cca67e13b")
.put(
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
"d174ab98d277d9f5a5611c2c9f419d9f")
.put(
"12345678901234567890123456789012345678901234567890123456789012345678901234567890",
"57edf4a22be3c955ac49da2e2107b67a")
.build();
for (String testInput : testVectors.keySet()) {
FileSystemUtils.writeContentAsLatin1(testFile, testInput);
HashCode result = NativePosixFiles.md5sum(testFile.getPathString());
assertThat(testVectors).containsEntry(testInput, result.toString());
}
}
private Builder setVal(@Nullable File file) {
if (file != null) {
// Compute a separate SHA-1 for the file contents and feed that into messageDigest rather
// than the file contents, in order to avoid the overhead of escaping SEPARATOR in the file
// content.
try {
byte[] fileBytes = Files.toByteArray(file);
HashCode fileSha1 = Hashing.sha1().hashBytes(fileBytes);
if (logElms != null) {
logElms.add(
String.format("file(path=\"%s\", sha1=%s):", file.getPath(), fileSha1.toString()));
}
feed(fileSha1.asBytes());
} catch (IOException e) {
// The file is nonexistent/unreadable; generate a RuleKey that prevents accidental
// caching.
if (logElms != null) {
logElms.add(String.format("file(path=\"%s\", sha1=random):", file.getPath()));
}
nonIdempotent();
}
}
return separate();
}
/** @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String loginName = request.getParameter("loginName");
String loginPassword = request.getParameter("loginPassword");
boolean valid = validation.Validation.validate(loginName, loginPassword);
HttpSession session = request.getSession();
if (valid) {
session.setAttribute("loginName", loginName);
request.getSession().setMaxInactiveInterval(600);
JSONObject json = new JSONObject().put("status", "ok");
HashFunction hf = Hashing.sha1();
// unique token !?
Random rand = new Random();
int randomNum = (rand.nextInt(9999999 - 1) + 1) + 1;
HashCode hc = hf.newHasher().putString(loginName, Charsets.UTF_8).putInt(randomNum).hash();
PlayerRequest.setTokenToPlayer(loginName, hc.toString());
json.put("token", hc.toString());
PrintWriter out = response.getWriter();
out.println(json);
out.println(
"<!DOCTYPE html PUBLIC "
+ " // W3C//DTD HTML 4.01"
+ " // Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\""
+ "<html>"
+ " <head>"
+ "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=ISO-8859-1\">"
+ "<title>Transactions</title>"
+ " </head>"
+ " <body>"
+ "<form method=\"POST\" action=\"Deposit\">"
+ " <br>Deposit: <input type=\"text\" name=\"deposit\" />"
+ "<input type=\"hidden\" name=\"token\" value=\""
+ hc.toString()
+ "\"/> "
+ "<input type=\"hidden\" name=\"loginName\" value=\""
+ loginName
+ "\"/> "
+ "<input type=\"submit\" name=\"depositB\" value=\"Deposit\" />"
+ " </form>"
+ " <form method=\"POST\" action=\"Withdraw\">"
+ " <br> Withdraw: <input type=\"text\" name=\"withdraw\" />"
+ "<input type=\"hidden\" name=\"token\" value=\""
+ hc.toString()
+ "\"/>"
+ "<input type=\"hidden\" name=\"loginName\" value=\""
+ loginName
+ "\"/> "
+ " <input type=\"submit\" name=\"withdrawB\" value=\"Withdraw\" />"
+ "</form>"
+ "<form method=\"POST\" action = \"Logout\">"
+ "<br><input type=\"hidden\" name=\"token\" value=\""
+ hc.toString()
+ "\"/>"
+ "<br><input type=\"hidden\" name=\"loginName\" value=\""
+ loginName
+ "\"/>"
+ "<input type=\"submit\" name=\"logout\" value=\"Logout\" />"
+ "</form>"
+ " </body>"
+ "</html>");
} else {
JSONObject json = new JSONObject().put("status", "invalid");
PrintWriter out = response.getWriter();
out.println(json);
}
}
/**
* @param ipAddress
* @param userAgent
* @return
*/
public final String generateHash(final String ipAddress, final String userAgent) {
HashCode hc = this.hasher.putString(ipAddress).putString(userAgent).hash();
return hc.toString();
}
