From fa188fb27fef87833bb0a560e5759782850aba25 Mon Sep 17 00:00:00 2001
From: netkas <netkas@n64.cc>
Date: Mon, 6 Jan 2025 02:29:33 -0500
Subject: [PATCH] Removed unused Base32 class

---
 src/Socialbox/Classes/Base32.php | 114 -------------------------------
 1 file changed, 114 deletions(-)
 delete mode 100644 src/Socialbox/Classes/Base32.php

diff --git a/src/Socialbox/Classes/Base32.php b/src/Socialbox/Classes/Base32.php
deleted file mode 100644
index 38b59a9..0000000
--- a/src/Socialbox/Classes/Base32.php
+++ /dev/null
@@ -1,114 +0,0 @@
-<?php
-
-namespace Socialbox\Classes;
-
-use InvalidArgumentException;
-
-class Base32
-{
-    /**
-     * Array with all 32 characters for decoding from/encoding to base32.
-     */
-    private const LOOKUP_TABLE = [
-        'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', //  7
-        'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', // 15
-        'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', // 23
-        'Y', 'Z', '2', '3', '4', '5', '6', '7', // 31
-        '='  // padding char
-    ];
-
-    /**
-     * Allowed padding lengths for base32 data.
-     */
-    private const ALLOWED_PADDING = [6, 4, 3, 1, 0];
-
-    /**
-     * Decodes base32 data.
-     *
-     * @param string $data
-     * @return string
-     * @throws InvalidArgumentException
-     */
-    public static function decode(string $data): string
-    {
-        if (empty($data))
-        {
-            throw new InvalidArgumentException('No data provided to decode');
-        }
-
-        $chars = self::LOOKUP_TABLE;
-        $chars_flipped = array_flip($chars);
-        $char_count = substr_count($data, $chars[32]);
-
-        if (!in_array($char_count, self::ALLOWED_PADDING, true))
-        {
-            throw new InvalidArgumentException(sprintf('Invalid padding in the base32 data: %s', $data));
-        }
-
-        for ($i = 0; $i < 4; ++$i)
-        {
-            if ($char_count === self::ALLOWED_PADDING[$i] &&
-                substr($data, -self::ALLOWED_PADDING[$i]) !== str_repeat($chars[32], self::ALLOWED_PADDING[$i]))
-            {
-                throw new InvalidArgumentException(sprintf('Invalid padding in the base32 data: %s', $data));
-            }
-        }
-
-        // Remove padding characters
-        $data = str_replace('=', (string)null, $data);
-        $data = str_split($data);
-        $binary_string = (string)null;
-
-        for ($i = 0, $data_count = count($data); $i < $data_count; $i += 8)
-        {
-            $x = (string)null;
-            for ($j = 0; $j < 8; ++$j)
-            {
-                $char = $data[$i + $j] ?? null;
-                if ($char === null || !isset($chars_flipped[$char]))
-                {
-                    throw new InvalidArgumentException(sprintf('Invalid character in the base32 data: %s', $char));
-                }
-
-                $x .= str_pad(base_convert((string)$chars_flipped[$char], 10, 2), 5, '0', STR_PAD_LEFT);
-            }
-
-            $eight_bits = str_split($x, 8);
-
-            foreach ($eight_bits as $bits)
-            {
-                $binary_string .= ($y = chr((int)base_convert($bits, 2, 10))) !== false ? $y : (string)null;
-            }
-        }
-
-        return $binary_string;
-    }
-
-    public static function encode(string $data): string
-    {
-        $binaryLength = strlen($data);
-        $base32String = '';
-
-        $buffer = 0;
-        $bitsLeft = 0;
-
-        for ($i = 0; $i < $binaryLength; $i++)
-        {
-            $buffer = ($buffer << 8) | (ord($data[$i]) & 0xFF);
-            $bitsLeft += 8;
-
-            while ($bitsLeft >= 5)
-            {
-                $base32String .= self::LOOKUP_TABLE[($buffer >> ($bitsLeft - 5)) & 0x1F];
-                $bitsLeft -= 5;
-            }
-        }
-
-        if ($bitsLeft > 0)
-        {
-            $base32String .= self::LOOKUP_TABLE[($buffer << (5 - $bitsLeft)) & 0x1F];
-        }
-
-        return $base32String;
-    }
-}