package and depencies
This commit is contained in:
RafficMohammed
295
vendor/maennchen/zipstream-php/src/File.php
vendored
295
vendor/maennchen/zipstream-php/src/File.php
vendored
@@ -1,10 +1,11 @@
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<?php
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declare(strict_types=1);
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namespace ZipStream;
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use HashContext;
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use Psr\Http\Message\StreamInterface;
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use ZipStream\Exception\EncodingException;
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use ZipStream\Exception\FileNotFoundException;
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use ZipStream\Exception\FileNotReadableException;
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use ZipStream\Exception\OverflowException;
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@@ -14,13 +15,15 @@ use ZipStream\Option\Version;
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class File
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{
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const HASH_ALGORITHM = 'crc32b';
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public const HASH_ALGORITHM = 'crc32b';
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const BIT_ZERO_HEADER = 0x0008;
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const BIT_EFS_UTF8 = 0x0800;
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public const BIT_ZERO_HEADER = 0x0008;
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const COMPUTE = 1;
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const SEND = 2;
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public const BIT_EFS_UTF8 = 0x0800;
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public const COMPUTE = 1;
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public const SEND = 2;
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private const CHUNKED_READ_BLOCK_SIZE = 1048576;
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@@ -38,6 +41,7 @@ class File
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* @var Bigint
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*/
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public $len;
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/**
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* @var Bigint
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*/
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@@ -75,8 +79,9 @@ class File
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* @var resource
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*/
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private $deflate;
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/**
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* @var resource
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* @var HashContext
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*/
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private $hash;
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@@ -115,7 +120,7 @@ class File
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} else {
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$this->method = $this->zip->opt->getLargeFileMethod();
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$stream = new DeflateStream(fopen($path, 'rb'));
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$stream = new Stream(fopen($path, 'rb'));
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$this->processStream($stream);
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$stream->close();
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}
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@@ -160,21 +165,17 @@ class File
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// Sets Bit 11: Language encoding flag (EFS). If this bit is set,
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// the filename and comment fields for this file
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// MUST be encoded using UTF-8. (see APPENDIX D)
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if (!mb_check_encoding($name, 'UTF-8') ||
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!mb_check_encoding($comment, 'UTF-8')) {
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throw new EncodingException(
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'File name and comment should use UTF-8 ' .
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'if one of them does not fit into ASCII range.'
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);
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if (mb_check_encoding($name, 'UTF-8') &&
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mb_check_encoding($comment, 'UTF-8')) {
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$this->bits |= self::BIT_EFS_UTF8;
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}
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$this->bits |= self::BIT_EFS_UTF8;
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}
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if ($this->method->equals(Method::DEFLATE())) {
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$this->version = Version::DEFLATE();
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}
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$force = (boolean)($this->bits & self::BIT_ZERO_HEADER) &&
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$force = (bool)($this->bits & self::BIT_ZERO_HEADER) &&
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$this->zip->opt->isEnableZip64();
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$footer = $this->buildZip64ExtraBlock($force);
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@@ -226,83 +227,13 @@ class File
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return str_replace(['\\', ':', '*', '?', '"', '<', '>', '|'], '_', $filename);
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}
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/**
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* Convert a UNIX timestamp to a DOS timestamp.
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*
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* @param int $when
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* @return int DOS Timestamp
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*/
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final protected static function dosTime(int $when): int
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{
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// get date array for timestamp
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$d = getdate($when);
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// set lower-bound on dates
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if ($d['year'] < 1980) {
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$d = array(
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'year' => 1980,
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'mon' => 1,
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'mday' => 1,
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'hours' => 0,
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'minutes' => 0,
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'seconds' => 0
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);
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}
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// remove extra years from 1980
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$d['year'] -= 1980;
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// return date string
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return
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($d['year'] << 25) |
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($d['mon'] << 21) |
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($d['mday'] << 16) |
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($d['hours'] << 11) |
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($d['minutes'] << 5) |
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($d['seconds'] >> 1);
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}
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protected function buildZip64ExtraBlock(bool $force = false): string
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{
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$fields = [];
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if ($this->len->isOver32($force)) {
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$fields[] = ['P', $this->len]; // Length of original data
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}
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if ($this->len->isOver32($force)) {
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$fields[] = ['P', $this->zlen]; // Length of compressed data
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}
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if ($this->ofs->isOver32()) {
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$fields[] = ['P', $this->ofs]; // Offset of local header record
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}
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if (!empty($fields)) {
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if (!$this->zip->opt->isEnableZip64()) {
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throw new OverflowException();
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}
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array_unshift(
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$fields,
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['v', 0x0001], // 64 bit extension
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['v', count($fields) * 8] // Length of data block
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);
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$this->version = Version::ZIP64();
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}
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return ZipStream::packFields($fields);
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}
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/**
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* Create and send data descriptor footer for this file.
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*
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* @return void
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*/
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public function addFileFooter(): void
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{
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if ($this->bits & self::BIT_ZERO_HEADER) {
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// compressed and uncompressed size
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$sizeFormat = 'V';
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@@ -337,6 +268,130 @@ class File
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}
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}
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/**
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* Send CDR record for specified file.
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*
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* @return string
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*/
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public function getCdrFile(): string
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{
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$name = static::filterFilename($this->name);
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// get attributes
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$comment = $this->opt->getComment();
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// get dos timestamp
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$time = static::dosTime($this->opt->getTime()->getTimestamp());
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$footer = $this->buildZip64ExtraBlock();
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$fields = [
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['V', ZipStream::CDR_FILE_SIGNATURE], // Central file header signature
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['v', ZipStream::ZIP_VERSION_MADE_BY], // Made by version
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['v', $this->version->getValue()], // Extract by version
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['v', $this->bits], // General purpose bit flags - data descriptor flag set
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['v', $this->method->getValue()], // Compression method
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['V', $time], // Timestamp (DOS Format)
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['V', $this->crc], // CRC32
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['V', $this->zlen->getLowFF()], // Compressed Data Length
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['V', $this->len->getLowFF()], // Original Data Length
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['v', strlen($name)], // Length of filename
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['v', strlen($footer)], // Extra data len (see above)
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['v', strlen($comment)], // Length of comment
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['v', 0], // Disk number
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['v', 0], // Internal File Attributes
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['V', 32], // External File Attributes
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['V', $this->ofs->getLowFF()], // Relative offset of local header
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];
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// pack fields, then append name and comment
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$header = ZipStream::packFields($fields);
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return $header . $name . $footer . $comment;
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}
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/**
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* @return Bigint
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*/
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public function getTotalLength(): Bigint
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{
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return $this->totalLength;
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}
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/**
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* Convert a UNIX timestamp to a DOS timestamp.
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*
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* @param int $when
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* @return int DOS Timestamp
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*/
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final protected static function dosTime(int $when): int
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{
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// get date array for timestamp
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$d = getdate($when);
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// set lower-bound on dates
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if ($d['year'] < 1980) {
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$d = [
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'year' => 1980,
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'mon' => 1,
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'mday' => 1,
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'hours' => 0,
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'minutes' => 0,
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'seconds' => 0,
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];
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}
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// remove extra years from 1980
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$d['year'] -= 1980;
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// return date string
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return
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($d['year'] << 25) |
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($d['mon'] << 21) |
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($d['mday'] << 16) |
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($d['hours'] << 11) |
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($d['minutes'] << 5) |
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($d['seconds'] >> 1);
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}
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protected function buildZip64ExtraBlock(bool $force = false): string
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{
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$fields = [];
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if ($this->len->isOver32($force)) {
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$fields[] = ['P', $this->len]; // Length of original data
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}
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if ($this->len->isOver32($force)) {
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$fields[] = ['P', $this->zlen]; // Length of compressed data
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}
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if ($this->ofs->isOver32()) {
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$fields[] = ['P', $this->ofs]; // Offset of local header record
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}
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if (!empty($fields)) {
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if (!$this->zip->opt->isEnableZip64()) {
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throw new OverflowException();
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}
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array_unshift(
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$fields,
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['v', 0x0001], // 64 bit extension
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['v', count($fields) * 8] // Length of data block
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);
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$this->version = Version::ZIP64();
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}
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if ($this->bits & self::BIT_EFS_UTF8) {
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// Put the tricky entry to
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// force Linux unzip to lookup EFS flag.
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$fields[] = ['v', 0x5653]; // Choose 'ZS' for proprietary usage
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$fields[] = ['v', 0x0000]; // zero length
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}
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return ZipStream::packFields($fields);
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}
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protected function processStreamWithZeroHeader(StreamInterface $stream): void
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{
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$this->bits |= self::BIT_ZERO_HEADER;
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@@ -354,7 +409,7 @@ class File
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$data = $stream->read(self::CHUNKED_READ_BLOCK_SIZE);
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$total += strlen($data);
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if ($size > 0 && $total > $size) {
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$data = substr($data, 0 , strlen($data)-($total - $size));
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$data = substr($data, 0, strlen($data)-($total - $size));
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}
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$this->deflateData($stream, $data, $options);
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if ($options & self::SEND) {
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@@ -366,7 +421,8 @@ class File
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protected function deflateInit(): void
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{
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$this->hash = hash_init(self::HASH_ALGORITHM);
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$hash = hash_init(self::HASH_ALGORITHM);
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$this->hash = $hash;
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if ($this->method->equals(Method::DEFLATE())) {
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$this->deflate = deflate_init(
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ZLIB_ENCODING_RAW,
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@@ -407,71 +463,8 @@ class File
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$this->readStream($stream, self::COMPUTE);
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$stream->rewind();
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// incremental compression with deflate_add
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// makes this second read unnecessary
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// but it is only available from PHP 7.0
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if (!$this->deflate && $stream instanceof DeflateStream && $this->method->equals(Method::DEFLATE())) {
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$stream->addDeflateFilter($this->opt);
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$this->zlen = new Bigint();
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while (!$stream->eof()) {
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$data = $stream->read(self::CHUNKED_READ_BLOCK_SIZE);
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$this->zlen = $this->zlen->add(Bigint::init(strlen($data)));
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}
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$stream->rewind();
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}
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$this->addFileHeader();
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$this->readStream($stream, self::SEND);
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$this->addFileFooter();
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}
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/**
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* Send CDR record for specified file.
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*
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* @return string
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*/
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public function getCdrFile(): string
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{
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$name = static::filterFilename($this->name);
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// get attributes
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$comment = $this->opt->getComment();
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// get dos timestamp
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$time = static::dosTime($this->opt->getTime()->getTimestamp());
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$footer = $this->buildZip64ExtraBlock();
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$fields = [
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['V', ZipStream::CDR_FILE_SIGNATURE], // Central file header signature
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['v', ZipStream::ZIP_VERSION_MADE_BY], // Made by version
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['v', $this->version->getValue()], // Extract by version
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['v', $this->bits], // General purpose bit flags - data descriptor flag set
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['v', $this->method->getValue()], // Compression method
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['V', $time], // Timestamp (DOS Format)
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['V', $this->crc], // CRC32
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['V', $this->zlen->getLowFF()], // Compressed Data Length
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['V', $this->len->getLowFF()], // Original Data Length
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['v', strlen($name)], // Length of filename
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['v', strlen($footer)], // Extra data len (see above)
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['v', strlen($comment)], // Length of comment
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['v', 0], // Disk number
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['v', 0], // Internal File Attributes
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['V', 32], // External File Attributes
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['V', $this->ofs->getLowFF()] // Relative offset of local header
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];
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// pack fields, then append name and comment
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$header = ZipStream::packFields($fields);
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return $header . $name . $footer . $comment;
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}
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/**
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* @return Bigint
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*/
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public function getTotalLength(): Bigint
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{
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return $this->totalLength;
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}
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}
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