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August 29, 2015 14:17
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A simple bypass of opticcdn protection, set the cookie "optic_auth" to the value the method returns (returns null on failure)
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| public static string GetOpticCdnCookie(string source) | |
| { | |
| var matches = Regex.Matches(source, "var .* = \"(.*)\""); | |
| if (matches.Count != 10) return null; | |
| var combined = string.Concat(matches[0].Groups[1].Value, matches[1].Groups[1].Value, | |
| matches[2].Groups[1].Value, matches[3].Groups[1].Value, matches[8].Groups[1].Value, | |
| matches[9].Groups[1].Value, matches[4].Groups[1].Value, matches[5].Groups[1].Value, | |
| matches[6].Groups[1].Value, matches[7].Groups[1].Value); | |
| using (var sha = new SHA1Managed()) | |
| { | |
| return BitConverter.ToString(sha.ComputeHash(Encoding.UTF8.GetBytes(combined))).Replace("-", "").ToLowerInvariant().Substring(0, 30); | |
| } | |
| } |
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