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home/wuectly/www/libraries/fof30/Encrypt/AesAdapter/AbstractAdapter.php 0000604 00000003450 15245561634 0022130 0 ustar 00 <?php /** * @package FOF * @copyright Copyright (c)2010-2020 Nicholas K. Dionysopoulos / Akeeba Ltd * @license GNU General Public License version 2, or later */ namespace FOF30\Encrypt\AesAdapter; defined('_JEXEC') || die; /** * Abstract AES encryption class */ abstract class AbstractAdapter { /** * Trims or zero-pads a key / IV * * @param string $key The key or IV to treat * @param int $size The block size of the currently used algorithm * * @return null|string Null if $key is null, treated string of $size byte length otherwise */ public function resizeKey($key, $size) { if (empty($key)) { return null; } $keyLength = strlen($key); if (function_exists('mb_strlen')) { $keyLength = mb_strlen($key, 'ASCII'); } if ($keyLength == $size) { return $key; } if ($keyLength > $size) { if (function_exists('mb_substr')) { return mb_substr($key, 0, $size, 'ASCII'); } return substr($key, 0, $size); } return $key . str_repeat("\0", ($size - $keyLength)); } /** * Returns null bytes to append to the string so that it's zero padded to the specified block size * * @param string $string The binary string which will be zero padded * @param int $blockSize The block size * * @return string The zero bytes to append to the string to zero pad it to $blockSize */ protected function getZeroPadding($string, $blockSize) { $stringSize = strlen($string); if (function_exists('mb_strlen')) { $stringSize = mb_strlen($string, 'ASCII'); } if ($stringSize == $blockSize) { return ''; } if ($stringSize < $blockSize) { return str_repeat("\0", $blockSize - $stringSize); } $paddingBytes = $stringSize % $blockSize; return str_repeat("\0", $blockSize - $paddingBytes); } } home/wuectly/www/libraries/fof30/Download/Adapter/AbstractAdapter.php 0000604 00000006547 15245617234 0021632 0 ustar 00 <?php /** * @package FOF * @copyright Copyright (c)2010-2020 Nicholas K. Dionysopoulos / Akeeba Ltd * @license GNU General Public License version 2, or later */ namespace FOF30\Download\Adapter; defined('_JEXEC') || die; use FOF30\Download\DownloadInterface; use FOF30\Download\Exception\DownloadError; abstract class AbstractAdapter implements DownloadInterface { /** * Load order priority * * @var int */ public $priority = 100; /** * Name of the adapter (identical to filename) * * @var string */ public $name = ''; /** * Is this adapter supported in the current execution environment? * * @var bool */ public $isSupported = false; /** * Does this adapter support chunked downloads? * * @var bool */ public $supportsChunkDownload = false; /** * Does this adapter support querying the remote file's size? * * @var bool */ public $supportsFileSize = false; /** * Does this download adapter support downloading files in chunks? * * @return boolean True if chunk download is supported */ public function supportsChunkDownload() { return $this->supportsChunkDownload; } /** * Does this download adapter support reading the size of a remote file? * * @return boolean True if remote file size determination is supported */ public function supportsFileSize() { return $this->supportsFileSize; } /** * Is this download class supported in the current server environment? * * @return boolean True if this server environment supports this download class */ public function isSupported() { return $this->isSupported; } /** * Get the priority of this adapter. If multiple download adapters are * supported on a site, the one with the highest priority will be * used. * * @return boolean */ public function getPriority() { return $this->priority; } /** * Returns the name of this download adapter in use * * @return string */ public function getName() { return $this->name; } /** * Download a part (or the whole) of a remote URL and return the downloaded * data. You are supposed to check the size of the returned data. If it's * smaller than what you expected you've reached end of file. If it's empty * you have tried reading past EOF. If it's larger than what you expected * the server doesn't support chunk downloads. * * If this class' supportsChunkDownload returns false you should assume * that the $from and $to parameters will be ignored. * * @param string $url The remote file's URL * @param integer $from Byte range to start downloading from. Use null for start of file. * @param integer $to Byte range to stop downloading. Use null to download the entire file ($from is * ignored) * @param array $params Additional params that will be added before performing the download * * @return string The raw file data retrieved from the remote URL. * * @throws DownloadError A generic exception is thrown on error */ public function downloadAndReturn($url, $from = null, $to = null, array $params = []) { return ''; } /** * Get the size of a remote file in bytes * * @param string $url The remote file's URL * * @return integer The file size, or -1 if the remote server doesn't support this feature */ public function getFileSize($url) { return -1; } } home/wuectly/www/libraries/fof40/Download/Adapter/AbstractAdapter.php 0000604 00000006611 15245637047 0021627 0 ustar 00 <?php /** * @package FOF * @copyright Copyright (c)2010-2022 Nicholas K. Dionysopoulos / Akeeba Ltd * @license GNU General Public License version 3, or later */ namespace FOF40\Download\Adapter; defined('_JEXEC') || die; use FOF40\Download\DownloadInterface; use FOF40\Download\Exception\DownloadError; abstract class AbstractAdapter implements DownloadInterface { /** * Load order priority * * @var int */ public $priority = 100; /** * Name of the adapter (identical to filename) * * @var string */ public $name = ''; /** * Is this adapter supported in the current execution environment? * * @var bool */ public $isSupported = false; /** * Does this adapter support chunked downloads? * * @var bool */ public $supportsChunkDownload = false; /** * Does this adapter support querying the remote file's size? * * @var bool */ public $supportsFileSize = false; /** * Does this download adapter support downloading files in chunks? * * @return boolean True if chunk download is supported */ public function supportsChunkDownload(): bool { return $this->supportsChunkDownload; } /** * Does this download adapter support reading the size of a remote file? * * @return boolean True if remote file size determination is supported */ public function supportsFileSize(): bool { return $this->supportsFileSize; } /** * Is this download class supported in the current server environment? * * @return boolean True if this server environment supports this download class */ public function isSupported(): bool { return $this->isSupported; } /** * Get the priority of this adapter. If multiple download adapters are * supported on a site, the one with the highest priority will be * used. * * @return int */ public function getPriority(): int { return $this->priority; } /** * Returns the name of this download adapter in use * * @return string */ public function getName(): string { return $this->name; } /** * Download a part (or the whole) of a remote URL and return the downloaded * data. You are supposed to check the size of the returned data. If it's * smaller than what you expected you've reached end of file. If it's empty * you have tried reading past EOF. If it's larger than what you expected * the server doesn't support chunk downloads. * * If this class' supportsChunkDownload returns false you should assume * that the $from and $to parameters will be ignored. * * @param string $url The remote file's URL * @param integer $from Byte range to start downloading from. Use null for start of file. * @param integer $to Byte range to stop downloading. Use null to download the entire file ($from is ignored) * @param array $params Additional params that will be added before performing the download * * @return string The raw file data retrieved from the remote URL. * * @throws DownloadError A generic exception is thrown on error */ public function downloadAndReturn(string $url, ?int $from = null, ?int $to = null, array $params = []): string { return ''; } /** * Get the size of a remote file in bytes * * @param string $url The remote file's URL * * @return integer The file size, or -1 if the remote server doesn't support this feature */ public function getFileSize(string $url): int { return -1; } } home/wuectly/www/libraries/fof40/Encrypt/AesAdapter/AbstractAdapter.php 0000604 00000003503 15245657761 0022137 0 ustar 00 <?php /** * @package FOF * @copyright Copyright (c)2010-2022 Nicholas K. Dionysopoulos / Akeeba Ltd * @license GNU General Public License version 3, or later */ namespace FOF40\Encrypt\AesAdapter; defined('_JEXEC') || die(); /** * Abstract AES encryption class */ abstract class AbstractAdapter { /** * Trims or zero-pads a key / IV * * @param string $key The key or IV to treat * @param int $size The block size of the currently used algorithm * * @return null|string Null if $key is null, treated string of $size byte length otherwise */ public function resizeKey(string $key, int $size): ?string { if (empty($key)) { return null; } $keyLength = strlen($key); if (function_exists('mb_strlen')) { $keyLength = mb_strlen($key, 'ASCII'); } if ($keyLength === $size) { return $key; } if ($keyLength > $size) { if (function_exists('mb_substr')) { return mb_substr($key, 0, $size, 'ASCII'); } return substr($key, 0, $size); } return $key . str_repeat("\0", ($size - $keyLength)); } /** * Returns null bytes to append to the string so that it's zero padded to the specified block size * * @param string $string The binary string which will be zero padded * @param int $blockSize The block size * * @return string The zero bytes to append to the string to zero pad it to $blockSize */ protected function getZeroPadding(string $string, int $blockSize): string { $stringSize = strlen($string); if (function_exists('mb_strlen')) { $stringSize = mb_strlen($string, 'ASCII'); } if ($stringSize === $blockSize) { return ''; } if ($stringSize < $blockSize) { return str_repeat("\0", $blockSize - $stringSize); } $paddingBytes = $stringSize % $blockSize; return str_repeat("\0", $blockSize - $paddingBytes); } }
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