package com.l7tech.common.password;

import com.l7tech.util.Charsets;
import com.l7tech.util.ConfigFactory;
import com.l7tech.util.Pair;
import com.l7tech.util.Functions.Unary;
import java.security.MessageDigest;
import java.security.SecureRandom;

public class Sha512CryptPasswordHasher implements PasswordHasher {
   public static final String PROP_DEFAULT_ROUNDS;
   private final int a;
   private final SecureRandom b;
   private final ThreadLocal<Pair<MessageDigest, MessageDigest>> c;
   private final Unary<MessageDigest, String> d;
   public static final Unary<MessageDigest, String> DEFAULT_MESSAGE_DIGEST_FACTORY;
   private static final String[] e;

   public Sha512CryptPasswordHasher() {
      this(DEFAULT_MESSAGE_DIGEST_FACTORY, new SecureRandom());
   }

   public Sha512CryptPasswordHasher(Unary<MessageDigest, String> var1, SecureRandom var2) {
      String[] var3 = e;
      this.a = ConfigFactory.getIntProperty(var3[3], 0);
      this.c = new ThreadLocal<>();
      if (var1 == null) {
         throw new NullPointerException(var3[0]);
      }

      try {
         if (var2 == null) {
            throw new NullPointerException(e[2]);
         }
      } catch (NullPointerException var4) {
         throw a(var4);
      }

      this.b = var2;
      this.d = var1;
   }

   @Override
   public String hashPassword(byte[] var1) {
      Pair var2 = this.a();
      return Sha512Crypt.crypt((MessageDigest)var2.left, (MessageDigest)var2.right, var1, Sha512Crypt.generateSalt(this.b, this.a));
   }

   @Override
   public void verifyPassword(byte[] var1, String var2) throws IncorrectPasswordException {
      Pair var3 = this.a();

      try {
         if (!Sha512Crypt.verifyPassword((MessageDigest)var3.left, (MessageDigest)var3.right, var1, var2)) {
            throw new IncorrectPasswordException();
         }
      } catch (IncorrectPasswordException var4) {
         throw a(var4);
      }
   }

   @Override
   public boolean isVerifierRecognized(String var1) {
      return Sha512Crypt.verifyHashTextFormat(var1);
   }

   @Override
   public String getPrefix() {
      return e[6];
   }

   @Override
   public byte[] extractSaltFromVerifier(String var1) {
      return Sha512Crypt.extractSalt(var1).getBytes(Charsets.UTF8);
   }

   private Pair<MessageDigest, MessageDigest> a() {
      try {
         Pair var1 = this.c.get();
         if (var1 == null) {
            String[] var4 = e;
            MessageDigest var2 = (MessageDigest)this.d.call(var4[5]);
            MessageDigest var3 = (MessageDigest)this.d.call(var4[1]);
            var1 = new Pair(var2, var3);
            this.c.set(var1);
         }

         return var1;
      } catch (Exception var5) {
         throw new RuntimeException(var5);
      }
   }

   static {
      String[] var5 = new String[7];
      int var3 = 0;
      String var2 = "Xp~_zK\u0015q|jIhX6TvyCiUP\\f-^~]\u0005\\ghH\u0007f]L\u0001.\u001dB\u0018FpnYiI\"T{iCv\f\u0019F5\u007fIjY\u0019Gpi$Vz`\u0002w\u001b\u0004Pve\u0002HD\u0011\u0000$?oiU\u0000A;iI}M\u0005Ya_CnB\u0014F$Vz`\u0002w\u001b\u0004Pve\u0002HD\u0011\u0000$?oiU\u0000A;iI}M\u0005Ya_CnB\u0014F";
      int var4 = "Xp~_zK\u0015q|jIhX6TvyCiUP\\f-^~]\u0005\\ghH\u0007f]L\u0001.\u001dB\u0018FpnYiI\"T{iCv\f\u0019F5\u007fIjY\u0019Gpi$Vz`\u0002w\u001b\u0004Pve\u0002HD\u0011\u0000$?oiU\u0000A;iI}M\u0005Ya_CnB\u0014F$Vz`\u0002w\u001b\u0004Pve\u0002HD\u0011\u0000$?oiU\u0000A;iI}M\u0005Ya_CnB\u0014F"
         .length();
      char var1 = ' ';
      int var7 = -1;

      label24:
      while (true) {
         byte var10000 = 118;
         String var10001 = var2.substring(++var7, var7 + var1);
         byte var10002 = -1;

         while (true) {
            String var8 = a(var10000, a(var10001));
            switch (var10002) {
               case 0:
                  var5[var3++] = var8;
                  if ((var7 += var1) >= var4) {
                     e = var5;
                     PROP_DEFAULT_ROUNDS = e[4];
                     DEFAULT_MESSAGE_DIGEST_FACTORY = new b();
                     return;
                  }

                  var1 = var2.charAt(var7);
                  break;
               default:
                  var5[var3++] = var8;
                  if ((var7 += var1) < var4) {
                     var1 = var2.charAt(var7);
                     continue label24;
                  }

                  var2 = "4\u000f\u001eS|O\u0010\u0003Cq{";
                  var4 = "4\u000f\u001eS|O\u0010\u0003Cq{".length();
                  var1 = 7;
                  var7 = -1;
            }

            var10000 = 36;
            var10001 = var2.substring(++var7, var7 + var1);
            var10002 = 0;
         }
      }
   }

   private static Exception a(Exception var0) {
      return var0;
   }

   private static char[] a(String var0) {
      char[] var10000 = var0.toCharArray();
      if (var10000.length < 2) {
         var10000[0] = (char)(var10000[0] ^ 6);
      }

      return var10000;
   }

   private static String a(int var0, char[] var1) {
      int var10003 = var1.length;
      int var10002 = var0;
      char[] var10001 = var1;
      int var10000 = var10003;

      for (int var2 = 0; var10000 > var2; var2++) {
         var10001[var2] = (char)(var10001[var2] ^ var10002 ^ switch (var2 % 7) {
            case 0 -> 67;
            case 1 -> 99;
            case 2 -> 123;
            case 3 -> 90;
            case 4 -> 109;
            case 5 -> 90;
            default -> 6;
         });
      }

      return new String(var10001).intern();
   }
}