summaryrefslogtreecommitdiffstats
path: root/vendor/paragonie/sodium_compat/src
diff options
context:
space:
mode:
authorAnton Luka Šijanec <anton@sijanec.eu>2024-05-27 13:12:17 +0200
committerAnton Luka Šijanec <anton@sijanec.eu>2024-05-27 13:12:17 +0200
commitf1ab2f022fdc780aca0944d90e9a0e844a0820d7 (patch)
tree79942a40514f5ab40c5901349c9fcd30c6c8dc0e /vendor/paragonie/sodium_compat/src
parent2024-02-19 upstream (diff)
download1ka-f1ab2f022fdc780aca0944d90e9a0e844a0820d7.tar
1ka-f1ab2f022fdc780aca0944d90e9a0e844a0820d7.tar.gz
1ka-f1ab2f022fdc780aca0944d90e9a0e844a0820d7.tar.bz2
1ka-f1ab2f022fdc780aca0944d90e9a0e844a0820d7.tar.lz
1ka-f1ab2f022fdc780aca0944d90e9a0e844a0820d7.tar.xz
1ka-f1ab2f022fdc780aca0944d90e9a0e844a0820d7.tar.zst
1ka-f1ab2f022fdc780aca0944d90e9a0e844a0820d7.zip
Diffstat (limited to '')
-rw-r--r--vendor/paragonie/sodium_compat/src/Core/Base64/Common.php213
1 files changed, 0 insertions, 213 deletions
diff --git a/vendor/paragonie/sodium_compat/src/Core/Base64/Common.php b/vendor/paragonie/sodium_compat/src/Core/Base64/Common.php
deleted file mode 100644
index 94b2e8f..0000000
--- a/vendor/paragonie/sodium_compat/src/Core/Base64/Common.php
+++ /dev/null
@@ -1,213 +0,0 @@
-<?php
-
-/**
- * Class ParagonIE_Sodium_Core_Base64
- *
- * Copyright (c) 2016 - 2018 Paragon Initiative Enterprises.
- * Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com)
- *
- * We have to copy/paste the contents into the variant files because PHP 5.2
- * doesn't support late static binding, and we have no better workaround
- * available that won't break PHP 7+. Therefore, we're forced to duplicate code.
- */
-abstract class ParagonIE_Sodium_Core_Base64_Common
-{
- /**
- * Encode into Base64
- *
- * Base64 character set "[A-Z][a-z][0-9]+/"
- *
- * @param string $src
- * @return string
- * @throws TypeError
- */
- public static function encode($src)
- {
- return self::doEncode($src, true);
- }
-
- /**
- * Encode into Base64, no = padding
- *
- * Base64 character set "[A-Z][a-z][0-9]+/"
- *
- * @param string $src
- * @return string
- * @throws TypeError
- */
- public static function encodeUnpadded($src)
- {
- return self::doEncode($src, false);
- }
-
- /**
- * @param string $src
- * @param bool $pad Include = padding?
- * @return string
- * @throws TypeError
- */
- protected static function doEncode($src, $pad = true)
- {
- $dest = '';
- $srcLen = ParagonIE_Sodium_Core_Util::strlen($src);
- // Main loop (no padding):
- for ($i = 0; $i + 3 <= $srcLen; $i += 3) {
- /** @var array<int, int> $chunk */
- $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, 3));
- $b0 = $chunk[1];
- $b1 = $chunk[2];
- $b2 = $chunk[3];
-
- $dest .=
- self::encode6Bits( $b0 >> 2 ) .
- self::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) .
- self::encode6Bits((($b1 << 2) | ($b2 >> 6)) & 63) .
- self::encode6Bits( $b2 & 63);
- }
- // The last chunk, which may have padding:
- if ($i < $srcLen) {
- /** @var array<int, int> $chunk */
- $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, $srcLen - $i));
- $b0 = $chunk[1];
- if ($i + 1 < $srcLen) {
- $b1 = $chunk[2];
- $dest .=
- self::encode6Bits($b0 >> 2) .
- self::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) .
- self::encode6Bits(($b1 << 2) & 63);
- if ($pad) {
- $dest .= '=';
- }
- } else {
- $dest .=
- self::encode6Bits( $b0 >> 2) .
- self::encode6Bits(($b0 << 4) & 63);
- if ($pad) {
- $dest .= '==';
- }
- }
- }
- return $dest;
- }
-
- /**
- * decode from base64 into binary
- *
- * Base64 character set "./[A-Z][a-z][0-9]"
- *
- * @param string $src
- * @param bool $strictPadding
- * @return string
- * @throws RangeException
- * @throws TypeError
- * @psalm-suppress RedundantCondition
- */
- public static function decode($src, $strictPadding = false)
- {
- // Remove padding
- $srcLen = ParagonIE_Sodium_Core_Util::strlen($src);
- if ($srcLen === 0) {
- return '';
- }
-
- if ($strictPadding) {
- if (($srcLen & 3) === 0) {
- if ($src[$srcLen - 1] === '=') {
- $srcLen--;
- if ($src[$srcLen - 1] === '=') {
- $srcLen--;
- }
- }
- }
- if (($srcLen & 3) === 1) {
- throw new RangeException(
- 'Incorrect padding'
- );
- }
- if ($src[$srcLen - 1] === '=') {
- throw new RangeException(
- 'Incorrect padding'
- );
- }
- } else {
- $src = rtrim($src, '=');
- $srcLen = ParagonIE_Sodium_Core_Util::strlen($src);
- }
-
- $err = 0;
- $dest = '';
- // Main loop (no padding):
- for ($i = 0; $i + 4 <= $srcLen; $i += 4) {
- /** @var array<int, int> $chunk */
- $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, 4));
- $c0 = self::decode6Bits($chunk[1]);
- $c1 = self::decode6Bits($chunk[2]);
- $c2 = self::decode6Bits($chunk[3]);
- $c3 = self::decode6Bits($chunk[4]);
-
- $dest .= pack(
- 'CCC',
- ((($c0 << 2) | ($c1 >> 4)) & 0xff),
- ((($c1 << 4) | ($c2 >> 2)) & 0xff),
- ((($c2 << 6) | $c3 ) & 0xff)
- );
- $err |= ($c0 | $c1 | $c2 | $c3) >> 8;
- }
- // The last chunk, which may have padding:
- if ($i < $srcLen) {
- /** @var array<int, int> $chunk */
- $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, $srcLen - $i));
- $c0 = self::decode6Bits($chunk[1]);
-
- if ($i + 2 < $srcLen) {
- $c1 = self::decode6Bits($chunk[2]);
- $c2 = self::decode6Bits($chunk[3]);
- $dest .= pack(
- 'CC',
- ((($c0 << 2) | ($c1 >> 4)) & 0xff),
- ((($c1 << 4) | ($c2 >> 2)) & 0xff)
- );
- $err |= ($c0 | $c1 | $c2) >> 8;
- } elseif ($i + 1 < $srcLen) {
- $c1 = self::decode6Bits($chunk[2]);
- $dest .= pack(
- 'C',
- ((($c0 << 2) | ($c1 >> 4)) & 0xff)
- );
- $err |= ($c0 | $c1) >> 8;
- } elseif ($i < $srcLen && $strictPadding) {
- $err |= 1;
- }
- }
- /** @var bool $check */
- $check = ($err === 0);
- if (!$check) {
- throw new RangeException(
- 'Base64::decode() only expects characters in the correct base64 alphabet'
- );
- }
- return $dest;
- }
-
- /**
- * Uses bitwise operators instead of table-lookups to turn 6-bit integers
- * into 8-bit integers.
- *
- * Base64 character set:
- * [A-Z] [a-z] [0-9] + /
- * 0x41-0x5a, 0x61-0x7a, 0x30-0x39, 0x2b, 0x2f
- *
- * @param int $src
- * @return int
- */
- abstract protected static function decode6Bits($src);
-
- /**
- * Uses bitwise operators instead of table-lookups to turn 8-bit integers
- * into 6-bit integers.
- *
- * @param int $src
- * @return string
- */
- abstract protected static function encode6Bits($src);
-}