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serega6531
2020-02-03 03:11:10 +03:00
parent 17e3d3cb48
commit b387dc4fe3
3 changed files with 110 additions and 75 deletions
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8
src/main/java/ru/serega6531/packmate/service/StreamService.java
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@@ -43,7 +43,7 @@ public class StreamService {
private final String localIp;
private final boolean ignoreEmptyPackets;
private final byte[] GZIP_HEADER = {0x1f, (byte) 0x8b, 0x08};
private static final byte[] GZIP_HEADER = {0x1f, (byte) 0x8b, 0x08};
private final java.util.regex.Pattern userAgentPattern = java.util.regex.Pattern.compile("User-Agent: (.+)\\r\\n");
@Autowired
@@ -347,7 +347,11 @@ public class StreamService {
private String calculateUserAgentHash(String ua) {
char[] alphabet = "abcdefghijklmnopqrstuvwxyz0123456789".toCharArray();
int l = alphabet.length;
final int hash = Math.abs(ua.hashCode()) % (l * l * l);
int hashCode = ua.hashCode();
if(hashCode == Integer.MIN_VALUE) {
hashCode = Integer.MAX_VALUE;
}
final int hash = Math.abs(hashCode) % (l * l * l);
return "" + alphabet[hash % l] + alphabet[(hash / l) % l] + alphabet[(hash / (l * l)) % l];
}