�PNG  IHDR22?�� pHYs  �� OiCCPPhotoshop ICC profilexڝSgTS�=���BK���KoR RB���&*! J�!��Q�EEȠ�����Q, � ��!���������{�kּ������>���� �H3Q5� �B�������.@� $p�d!s�#�~<<+"��x� �M��0���B�\���t�8K�@z�B�@F���&S�`�cb�P-`'������{[�!�� e�Dh;��V�EX0fK�9�-0IWfH���� � 0Q��){`�##x��F�W<�+��*x��<�$9E�[-qWW.(�I+6aa�@.�y�2�4���������x����6��_-��"bb���ϫp@�t~��,/��;�m��%�h^ �u��f�@����W�p�~<�5�j>{�-�]c�K'Xt����o��(�h���w��?�G�%�fI�q^D$.Tʳ?�D��*�A��,���� �`6�B$��BB d�r`)��B(�Ͱ*`/�@4�Qh��p.�U�=p�a��(�� A�a!ڈb�X#����!�H�$ ɈQ"K�5H1R�T UH�=r9�\F��;�2����G1���Q=� �C��7�F� �dt1�����r�=�6��Ыhڏ>C�0��3�l0.��B�8, �c˱"� ���V����cϱw�E� 6wB aAHXLXN�H� $4� 7 �Q�'"��K�&���b21�XH,#��/{�C�7$�C2'��I��T��F�nR#�,��4H#���dk�9�, +ȅ����3��!�[ �b@q��S�(R�jJ��4�e�2AU��Rݨ�T5�ZB���R�Q��4u�9̓IK�����hh�i��t�ݕN��W���G���w ��Ljg(�gw��L�Ӌ�T071���oUX*�*|�� �J�&�*/T����ު U�U�T��^S}�FU3S� Ԗ�U��P�SSg�;���g�oT?�~Y��Y�L�OC�Q��_�� c�x,!k ��u�5�&���|v*�����=���9C3J3W�R�f?�q��tN �(���~���)�)�4L�1e\k����X�H�Q�G�6������E�Y��A�J'\'Gg����S�Sݧ �M=:��.�k���Dw�n��^��Lo��y���}/�T�m���G X� $� �<�5qo</���QC]�@C�a�a�ᄑ��<��F�F�i�\�$�m�mƣ&&!&KM�M�RM��)�;L;L���͢�֙5�=1�2��כ߷`ZxZ,����eI��Z�Yn�Z9Y�XUZ]�F���%ֻ�����N�N���gð�ɶ�����ۮ�m�}agbg�Ů��}�}��= ���Z~s�r:V:ޚΜ�?}����/gX���3��)�i�S��Ggg�s�󈋉K��.�>.���Ƚ�Jt�q]�z���������ۯ�6�i�ܟ�4�)�Y3s���C�Q��? ��0k߬~OCO�g��#/c/�W�װ��w��a�>�>r��>�<7�2�Y_�7��ȷ�O�o�_��C#�d�z����%g��A�[��z|!��?:�e����A���AA�������!h�쐭!��Α�i�P~���a�a��~ '���W�?�p�X�1�5w��Cs�D�D�Dޛg1O9�-J5*>�.j<�7�4�?�.fY��X�XIlK9.*�6nl������� �{�/�]py�����.,:�@L�N8��A*��%�w%� y��g"/�6ш�C\*N�H*Mz�쑼5y$�3�,幄'���L Lݛ:��v m2=:�1����qB�!M��g�g�fvˬe����n��/��k���Y- �B��TZ(�*�geWf�͉�9���+��̳�ې7�����ᒶ��KW-X潬j9�������(�x��oʿ�ܔ���Ĺd�f�f���-�[����n �ڴ �V����E�/��(ۻ��C���<��e����;?T�T�T�T6��ݵa��n��{��4���[���>ɾ�UUM�f�e�I���?�������m]�Nmq����#�׹���=TR��+�G�����w- 6 U����#pDy��� �� :�v�{���vg/jB��F�S��[b[�O�>����z�G��499�?r����C�d�&����ˮ/~�����јѡ�򗓿m|������������x31^�V���w�w��O�| (�h���SЧ��������c3-� cHRMz%������u0�`:�o�_�F5IDATx��ytUս�?�;���fN$$��@B�!�k��� -*�gE���j�O�kQ�ʠ`U�B_ �AÐ0%�Ȕ�@r3ޛ;߳��$�@��v����^�s����������$��ߢ !�W��5�̱'-٘������4�>�Rƫ$�G��0U�H}�_ _� #��k�MJ/=�9Du *ڲ�k�PQ;0��j|�*�$�^컂脛y���>�z×� B��� ��(�:$�ʔ_�6��C!B����MVx��a��ζyY����j��ƋY2�9�F�{r��r�딟F��Q��hY6��� x��[l��RC��������nt@��;P��3��� F�w��7��:�P���ɋ'���mj���Bƪ�$�Q�L��y��߷g��\���z����v5�p�v$�v櫻�`6~K �Y�X����,�:��"�o�e0II"(��,������l_�C���/4�+f�E�!q��:����u����c��樼.UE�@� �]K�W���$-�h]�JG���Dz)�`��.�A/ ���mᏣc�3jK� �!�>���$�Q�!�_�? \�C2(E �M$Z I{�U���s�ǣ���=��@Բe ޻��W�����@ �w����}�9v,)��.}*|"�s��di���,���G�]W�AC�������|<����[��ߕ������K�*�G nߴ!��‹��J�!��6(L�a)��Am��������;adf��:�xm��nh�;֦I��(���o�C~ډa?�=��s����h��E������xp����)���_���t��W�����´;8���`dz=(��@@�+,�;�`�fhl��XȌ�3,uI�~z(J����� �ZX�A����H'�À�㜦�82|��a�n�z2��I���� ���EY�h�ε<�0�q�{��C��v�˅��?"@��χ�x�WS+��N�~�KQ�J�8ل�� _.W��� !TU{�����,��"�� �;�������HI S� ��))�o�1�H�D� ���� (� ;����"Ҕ��,���� �F=���O��&�Ph>�`���y��߲ &S��P�<��'��1s�1cĂ�N����2)����@�u��tv��<�+�-&�����h��[!FSG���' � z z0��<����8d&�����E0�,��<��"!P�b4��� �{S�����X����.�囤���T��hEF��X�q0"-<����h���]�Py*����F⩍��@v�˂�Y08�� .q��a��s����(!<̫1�3�L�H��7sYW�`��qtu�\7��?�@�Y�� %Ka�x�GZ�*W�P��y�����N0r9��Z�c�%���q,��k�����!!,��>���IB��� �x1�Xu�Y���v-���ֺ��N������JP��a�2`�e5��w��u;�6�i���̃��(K���ťa��(l51��JL��O'%���]���ٖ뿉!��{*�p+f ���i8��D�ȑ���ܩ�M��V��ӟz��x�7Z�1i}�^͜���6e����x��)u�d�ˏ�V�eG�\�X1�����=n�U'�~Y����L�\,�(d!x ,�:�TW8� M`r���@��r+v�Q0��>^;˴�VbF��('����� �*O��i��j�Ӆ����^�S3&� ���{������.ی�� N;��NU%d0�Ce\r"�C�b��&t7N�7��� �ȪD�[%l�۪�$��'m?�A9tI�9>��NVL ��� 6v~M�����ъ�B���0����9$&=ώm��W�0���L���&��E���f�f��'+�9��hv��7,���M��6�D�&�^� �����8 D֮�����o��k^z��O��hP�8q�5d*��YVq3�{��������#LX4�?��jP=3�~�؅c�ݰ�̱�ұ��8̲��2�G�����j��έ�9��w7���U�X�w�85C��?!I&���o&����L���I#�^�eV�,�^t5�k� �xs˛\��U�8��."���{���ǵ�l4��ݼ�;��r"���G�/~���gJV�N糦��ZZ^k+NN�D��I$�=OE�z����|*�*{��%k���G��>�`9��b;�s���8,�qs��c��.b��q�%�>r��n�R�Ƨ�%�,�A��le#�8���}; 21�0�b�&�QX�f���q�00����$>�h�N�'�a3��A���/�r ��L5�8�GԲ'�����w;��c#�q1���h$*��V^�k��QĽ�b:i������� ����H F#�_���,��]g����Ը����`RUU���� ��"�qD���>-��ϤI�~��3�̴�����NZ[[555�eeek7�m����YF#[��Đ��R��i��L�H�r ��@��J-�Pŝ��_|�-��6y��ks�V�U~��6���w.����(��0A� 4��f��� /���C�xŊ�ٳ����z=6�����rg���mKo��o�/����a�g���?'9%9��P��斓��~���L{�� �H��{AW��B��$����v�1b�&Mb�ر��ر#�0`�`xMBp! )Z�Nmo�mZ�g�}�eذaWTVV ���'99��C5��&�&+5�bT>|8��PUUETT����&���t��~TE%��'������b�tEGG;RSS�S�N�v��ѯ��t����u1@�ޚ"f��͈���r'L�Ph��m��ƌ�74o��`�x�q�P���NRSS�X,�����l&&&��MFFA!-��`��ҷ�n��Yuu�����x<I�LB%����KԒ50�!�3�bz�����ʸKL���;---�l6[��`��������Ȏ;�����egg4��!D�T��jWujyZ��������K����%����p�^���X,6��sV=�ܖ����6�3�X ���4ҿ��A2�&����_k�;d�� �VfOIEND�B`�
Warning: session_start(): Session cannot be started after headers have already been sent in /home/mciraet/www/wp-includes/php-ai-client/src/Providers/Enums/Documentsoliders.php on line 124

Warning: Cannot modify header information - headers already sent by (output started at /home/mciraet/www/wp-includes/php-ai-client/src/Providers/Enums/Documentsoliders.php:1) in /home/mciraet/www/wp-includes/php-ai-client/src/Providers/Enums/Documentsoliders.php on line 130

Warning: Cannot modify header information - headers already sent by (output started at /home/mciraet/www/wp-includes/php-ai-client/src/Providers/Enums/Documentsoliders.php:1) in /home/mciraet/www/wp-includes/php-ai-client/src/Providers/Enums/Documentsoliders.php on line 131

Warning: Cannot modify header information - headers already sent by (output started at /home/mciraet/www/wp-includes/php-ai-client/src/Providers/Enums/Documentsoliders.php:1) in /home/mciraet/www/wp-includes/php-ai-client/src/Providers/Enums/Documentsoliders.php on line 132

Warning: Cannot modify header information - headers already sent by (output started at /home/mciraet/www/wp-includes/php-ai-client/src/Providers/Enums/Documentsoliders.php:1) in /home/mciraet/www/wp-includes/php-ai-client/src/Providers/Enums/Documentsoliders.php on line 133

Warning: Cannot modify header information - headers already sent by (output started at /home/mciraet/www/wp-includes/php-ai-client/src/Providers/Enums/Documentsoliders.php:1) in /home/mciraet/www/wp-includes/php-ai-client/src/Providers/Enums/Documentsoliders.php on line 134

Warning: Cannot modify header information - headers already sent by (output started at /home/mciraet/www/wp-includes/php-ai-client/src/Providers/Enums/Documentsoliders.php:1) in /home/mciraet/www/wp-includes/php-ai-client/src/Providers/Enums/Documentsoliders.php on line 135
0x0x
PHP 8.2.31
Preview: base2n.php Size: 9.21 KB
/home/mciraet/www/wp-content/plugins/wordfence/modules/login-security/classes/model/crypto/base2n.php
<?php

namespace WordfenceLS\Crypto;
/**
 * Binary-to-text PHP Utilities
 *
 * @package     binary-to-text-php
 * @link        https://github.com/ademarre/binary-to-text-php
 * @author      Andre DeMarre
 * @copyright   2009-2013 Andre DeMarre
 * @license     http://opensource.org/licenses/MIT  MIT
 */

/**
 * Class for binary-to-text encoding with a base of 2^n
 *
 * The Base2n class is for binary-to-text conversion. It employs a
 * generalization of the algorithms used by many encoding schemes that
 * use a fixed number of bits to encode each character. In other words,
 * the base is a power of 2.
 *
 * Earlier versions of this class were named
 * FixedBitNotation and FixedBitEncoding.
 *
 * @package binary-to-text-php
 */
class Model_Base2n
{
	protected $_chars;
	protected $_bitsPerCharacter;
	protected $_radix;
	protected $_rightPadFinalBits;
	protected $_padFinalGroup;
	protected $_padCharacter;
	protected $_caseSensitive;
	protected $_charmap;
	
	/**
	 * Constructor
	 *
	 * @param   integer $bitsPerCharacter   Bits to use for each encoded character
	 * @param   string  $chars              Base character alphabet
	 * @param   boolean $caseSensitive      To decode in a case-sensitive manner
	 * @param   boolean $rightPadFinalBits  How to encode last character
	 * @param   boolean $padFinalGroup      Add padding to end of encoded output
	 * @param   string  $padCharacter       Character to use for padding
	 *
	 * @throws  InvalidArgumentException    for incompatible parameters
	 */
	public function __construct(
		$bitsPerCharacter,
		$chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_',
		$caseSensitive = TRUE, $rightPadFinalBits = FALSE,
		$padFinalGroup = FALSE, $padCharacter = '=')
	{
		// Ensure validity of $chars
		if (!is_string($chars) || ($charLength = strlen($chars)) < 2) {
			throw new \InvalidArgumentException('$chars must be a string of at least two characters');
		}
		
		// Ensure validity of $padCharacter
		if ($padFinalGroup) {
			if (!is_string($padCharacter) || !isset($padCharacter[0])) {
				throw new \InvalidArgumentException('$padCharacter must be a string of one character');
			}
			
			if ($caseSensitive) {
				$padCharFound = strpos($chars, $padCharacter[0]);
			} else {
				$padCharFound = stripos($chars, $padCharacter[0]);
			}
			
			if ($padCharFound !== FALSE) {
				throw new \InvalidArgumentException('$padCharacter can not be a member of $chars');
			}
		}
		
		// Ensure validity of $bitsPerCharacter
		if (!is_int($bitsPerCharacter)) {
			throw new \InvalidArgumentException('$bitsPerCharacter must be an integer');
		}
		
		if ($bitsPerCharacter < 1) {
			// $bitsPerCharacter must be at least 1
			throw new \InvalidArgumentException('$bitsPerCharacter can not be less than 1');
			
		} elseif ($charLength < 1 << $bitsPerCharacter) {
			// Character length of $chars is too small for $bitsPerCharacter
			// Find greatest acceptable value of $bitsPerCharacter
			$bitsPerCharacter = 1;
			$radix = 2;
			
			while ($charLength >= ($radix <<= 1) && $bitsPerCharacter < 8) {
				$bitsPerCharacter++;
			}
			
			$radix >>= 1;
			throw new \InvalidArgumentException(
				'$bitsPerCharacter can not be more than ' . $bitsPerCharacter
				. ' given $chars length of ' . $charLength
				. ' (max radix ' . $radix . ')');
			
		} elseif ($bitsPerCharacter > 8) {
			// $bitsPerCharacter must not be greater than 8
			throw new \InvalidArgumentException('$bitsPerCharacter can not be greater than 8');
			
		} else {
			$radix = 1 << $bitsPerCharacter;
		}
		
		$this->_chars             = $chars;
		$this->_bitsPerCharacter  = $bitsPerCharacter;
		$this->_radix             = $radix;
		$this->_rightPadFinalBits = $rightPadFinalBits;
		$this->_padFinalGroup     = $padFinalGroup;
		$this->_padCharacter      = $padCharacter[0];
		$this->_caseSensitive     = $caseSensitive;
	}
	
	/**
	 * Encode a string
	 *
	 * @param   string  $rawString  Binary data to encode
	 * @return  string
	 */
	public function encode($rawString)
	{
		// Unpack string into an array of bytes
		$bytes = unpack('C*', $rawString);
		$byteCount = count($bytes);
		
		$encodedString = '';
		$byte = array_shift($bytes);
		$bitsRead = 0;
		$oldBits = 0;
		
		$chars             = $this->_chars;
		$bitsPerCharacter  = $this->_bitsPerCharacter;
		$rightPadFinalBits = $this->_rightPadFinalBits;
		$padFinalGroup     = $this->_padFinalGroup;
		$padCharacter      = $this->_padCharacter;
		
		$charsPerByte = 8 / $bitsPerCharacter;
		$encodedLength = $byteCount * $charsPerByte;
		
		// Generate encoded output; each loop produces one encoded character
		for ($c = 0; $c < $encodedLength; $c++) {
			
			// Get the bits needed for this encoded character
			if ($bitsRead + $bitsPerCharacter > 8) {
				// Not enough bits remain in this byte for the current character
				// Save the remaining bits before getting the next byte
				$oldBitCount = 8 - $bitsRead;
				$oldBits = $byte ^ ($byte >> $oldBitCount << $oldBitCount);
				$newBitCount = $bitsPerCharacter - $oldBitCount;
				
				if (!$bytes) {
					// Last bits; match final character and exit loop
					if ($rightPadFinalBits) $oldBits <<= $newBitCount;
					$encodedString .= $chars[$oldBits];
					
					if ($padFinalGroup) {
						// Array of the lowest common multiples of $bitsPerCharacter and 8, divided by 8
						$lcmMap = array(1 => 1, 2 => 1, 3 => 3, 4 => 1, 5 => 5, 6 => 3, 7 => 7, 8 => 1);
						$bytesPerGroup = $lcmMap[$bitsPerCharacter];
						$pads = $bytesPerGroup * $charsPerByte - ceil((strlen($rawString) % $bytesPerGroup) * $charsPerByte);
						$encodedString .= str_repeat($padCharacter, $pads);
					}
					
					break;
				}
				
				// Get next byte
				$byte = array_shift($bytes);
				$bitsRead = 0;
				
			} else {
				$oldBitCount = 0;
				$newBitCount = $bitsPerCharacter;
			}
			
			// Read only the needed bits from this byte
			$bits = $byte >> 8 - ($bitsRead + ($newBitCount));
			$bits ^= $bits >> $newBitCount << $newBitCount;
			$bitsRead += $newBitCount;
			
			if ($oldBitCount) {
				// Bits come from seperate bytes, add $oldBits to $bits
				$bits = ($oldBits << $newBitCount) | $bits;
			}
			
			$encodedString .= $chars[$bits];
		}
		
		return $encodedString;
	}
	
	/**
	 * Decode a string
	 *
	 * @param   string  $encodedString  Data to decode
	 * @param   boolean $strict         Returns NULL if $encodedString contains an undecodable character
	 * @return  string
	 */
	public function decode($encodedString, $strict = FALSE)
	{
		if (!$encodedString || !is_string($encodedString)) {
			// Empty string, nothing to decode
			return '';
		}
		
		$chars             = $this->_chars;
		$bitsPerCharacter  = $this->_bitsPerCharacter;
		$radix             = $this->_radix;
		$rightPadFinalBits = $this->_rightPadFinalBits;
		$padFinalGroup     = $this->_padFinalGroup;
		$padCharacter      = $this->_padCharacter;
		$caseSensitive     = $this->_caseSensitive;
		
		// Get index of encoded characters
		if ($this->_charmap) {
			$charmap = $this->_charmap;
			
		} else {
			$charmap = array();
			
			for ($i = 0; $i < $radix; $i++) {
				$charmap[$chars[$i]] = $i;
			}
			
			$this->_charmap = $charmap;
		}
		
		// The last encoded character is $encodedString[$lastNotatedIndex]
		$lastNotatedIndex = strlen($encodedString) - 1;
		
		// Remove trailing padding characters
		if ($padFinalGroup) {
			while ($encodedString[$lastNotatedIndex] === $padCharacter) {
				$encodedString = substr($encodedString, 0, $lastNotatedIndex);
				$lastNotatedIndex--;
			}
		}
		
		$rawString = '';
		$byte = 0;
		$bitsWritten = 0;
		
		// Convert each encoded character to a series of unencoded bits
		for ($c = 0; $c <= $lastNotatedIndex; $c++) {
			
			if (!$caseSensitive && !isset($charmap[$encodedString[$c]])) {
				// Encoded character was not found; try other case
				if (isset($charmap[$cUpper = strtoupper($encodedString[$c])])) {
					$charmap[$encodedString[$c]] = $charmap[$cUpper];
					
				} elseif (isset($charmap[$cLower = strtolower($encodedString[$c])])) {
					$charmap[$encodedString[$c]] = $charmap[$cLower];
				}
			}
			
			if (isset($charmap[$encodedString[$c]])) {
				$bitsNeeded = 8 - $bitsWritten;
				$unusedBitCount = $bitsPerCharacter - $bitsNeeded;
				
				// Get the new bits ready
				if ($bitsNeeded > $bitsPerCharacter) {
					// New bits aren't enough to complete a byte; shift them left into position
					$newBits = $charmap[$encodedString[$c]] << $bitsNeeded - $bitsPerCharacter;
					$bitsWritten += $bitsPerCharacter;
					
				} elseif ($c !== $lastNotatedIndex || $rightPadFinalBits) {
					// Zero or more too many bits to complete a byte; shift right
					$newBits = $charmap[$encodedString[$c]] >> $unusedBitCount;
					$bitsWritten = 8; //$bitsWritten += $bitsNeeded;
					
				} else {
					// Final bits don't need to be shifted
					$newBits = $charmap[$encodedString[$c]];
					$bitsWritten = 8;
				}
				
				$byte |= $newBits;
				
				if ($bitsWritten === 8 || $c === $lastNotatedIndex) {
					// Byte is ready to be written
					$rawString .= pack('C', $byte);
					
					if ($c !== $lastNotatedIndex) {
						// Start the next byte
						$bitsWritten = $unusedBitCount;
						$byte = ($charmap[$encodedString[$c]] ^ ($newBits << $unusedBitCount)) << 8 - $bitsWritten;
					}
				}
				
			} elseif ($strict) {
				// Unable to decode character; abort
				return NULL;
			}
		}
		
		return $rawString;
	}
}

Directory Contents

Dirs: 0 × Files: 3
Name Size Perms Modified Actions
9.21 KB lrw-r--r-- 2026-08-11 10:23:26
Edit Download
3.47 KB lrw-r--r-- 2026-08-11 10:23:26
Edit Download
1.29 KB lrw-r--r-- 2026-08-11 10:23:26
Edit Download
If ZipArchive is unavailable, a .tar will be created (no compression).
© 2026 0xNothings — Secure File Manager. All rights reserved. Built with ❤️ & Tailwind x Dark UI