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Twig, Tests, AES,

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This commit is contained in:
Roman
2021-12-08 16:53:43 +01:00
parent 25d47f7528
commit 918244125c
74 changed files with 5350 additions and 1515 deletions
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164
core/External/ZipStream/File.php vendored
View File

@@ -26,16 +26,16 @@ namespace External\ZipStream {
private $content = '';
private $fileHandle = false;
private $lastModificationTimestamp;
private $crc32 = null;
private $fileSize = 0;
private $compressedSize = 0;
protected $fileSize = 0;
protected $compressedSize = 0;
private $offset = 0;
private $bitField = 0;
private $useCompression = true;
protected $useCompression = true;
private $deflateState = null;
//check for duplications //currently not used
private $sha256;
protected $crc32 = null;
protected $sha256;
public const BIT_NO_SIZE_IN_HEADER = 0b0000000000001000;
public const BIT_UTF8_NAMES = 0b0000100000000000;
@@ -45,12 +45,17 @@ namespace External\ZipStream {
$this->lastModificationTimestamp = time();
$this->crc32 = hash('crc32b', '', true);
$this->compressedSize = 0;
$this->fileSize = 0;
$this->bitField = 0;
$this->bitField |= self::BIT_NO_SIZE_IN_HEADER;
$this->bitField |= self::BIT_UTF8_NAMES;
$this->deflateState = deflate_init(ZLIB_ENCODING_RAW, ['level' => 9]);
$this->deflateState = deflate_init(ZLIB_ENCODING_RAW);
}
public function disableCompression() {
$this->useCompression = false;
}
public function setContent($content) {
@@ -68,13 +73,6 @@ namespace External\ZipStream {
$this->fileHandle = fopen($filename, 'rb');
}
public function loadFromBuffer($buf) {
$this->crc32 = hash('crc32b', $buf, true);
$this->sha256 = hash('sha256', $buf);
$this->fileSize = strlen($buf);
$this->content = $buf;
}
public function name() {
return $this->name;
}
@@ -101,14 +99,14 @@ namespace External\ZipStream {
($day);
}
public function readLocalFileHeader() {
public function readLocalFileHeader(bool $zip64 = false) {
if (!$this->useCompression) {
$this->compressedSize = $this->fileSize;
}
$header = "";
$header .= "\x50\x4b\x03\x04";
$header .= "\x14\x00"; //version 2.0 and MS-DOS compatible
$header .= $zip64 ? "\x2d\x00" : "\x14\x00"; //version 2.0 and MS-DOS compatible
$header .= pack("v", $this->bitField); //general purpose bit flag
if ($this->useCompression) {
$header .= "\x08\x00"; //compression Method - deflate
@@ -117,28 +115,59 @@ namespace External\ZipStream {
}
$header .= pack("v", $this->unixTimeToDosTime($this->lastModificationTimestamp)); //dos time
$header .= pack("v", $this->unixTimeToDosDate($this->lastModificationTimestamp)); //dos date
if ($this->bitField & self::BIT_NO_SIZE_IN_HEADER) {
$header .= pack("V", 0); //crc32
$header .= pack("V", 0); //compressed Size
$header .= pack("V", 0); //uncompressed Size
if ($zip64) {
if ($this->bitField & self::BIT_NO_SIZE_IN_HEADER) {
$header .= pack("V", 0); //crc32
} else {
$header .= strrev($this->crc32);
}
$header .= "\xFF\xFF\xFF\xFF"; //compressed Size
$header .= "\xFF\xFF\xFF\xFF"; //uncompressed Size
} else {
$header .= strrev($this->crc32);
$header .= pack("V", $this->compressedSize); //compressed Size
$header .= pack("V", $this->fileSize); //uncompressed Size
if ($this->bitField & self::BIT_NO_SIZE_IN_HEADER) {
$header .= pack("V", 0); //crc32
$header .= pack("V", 0); //compressed Size
$header .= pack("V", 0); //uncompressed Size
} else {
$header .= strrev($this->crc32);
$header .= pack("V", $this->compressedSize); //compressed Size
$header .= pack("V", $this->fileSize); //uncompressed Size
}
}
$header .= pack("v", strlen($this->name)); //filename
$header .= "\x00\x00"; //extra field length
$header .= $this->name;
if ($zip64) {
$header .= pack("v", 16+4); //extra field length (signatures + data)
$header .= $this->name;
$header .= pack("v", 0x0001); # Zip64 extended information extra field
$header .= pack("v", 16); // 2 * 8 byte
if ($this->bitField & self::BIT_NO_SIZE_IN_HEADER) {
$header .= pack("P", 0);
$header .= pack("P", 0);
} else {
$header .= pack("P", $this->compressedSize);
$header .= pack("P", $this->fileSize);
}
} else {
$header .= "\x00\x00"; //extra field length
$header .= $this->name;
}
return $header;
}
public function readDataDescriptor() {
public function readDataDescriptor(bool $zip64 = false) {
if (!$this->useCompression) {
$this->compressedSize = $this->fileSize;
}
$data = "";
$data .= "\x50\x4b\x07\x08";
$data .= strrev($this->crc32);
$data .= pack("V", $this->compressedSize); //compressed Size
$data .= pack("V", $this->fileSize); //uncompressed Size
$data .= $zip64 ? pack("P", $this->compressedSize) : pack("V", $this->compressedSize); //compressed Size
$data .= $zip64 ? pack("P", $this->fileSize) : pack("V", $this->fileSize); //uncompressed Size
return $data;
}
@@ -156,21 +185,28 @@ namespace External\ZipStream {
return $ret;
}
protected function compress($block) {
$ret = null;
if ($this->deflateState !== null) {
if (!empty($block)) {
$ret = deflate_add($this->deflateState, $block, ZLIB_NO_FLUSH);
} else {
$ret = deflate_add($this->deflateState, '', ZLIB_FINISH);
$this->deflateState = null;
}
$this->compressedSize += strlen($ret);
}
return $ret;
}
public function readFileData() {
$ret = null;
if ($this->useCompression) {
$block = $this->readFileDataImp();
if ($this->deflateState !== null) {
if ($block !== null) {
$ret = deflate_add($this->deflateState, $block, ZLIB_NO_FLUSH);
} else {
$ret = deflate_add($this->deflateState, '', ZLIB_FINISH);
$this->deflateState = null;
}
}
if ($ret !== null) {
$this->compressedSize += strlen($ret);
}
$ret = $this->compress($block);
} else {
$ret = $this->readFileDataImp();
}
@@ -181,27 +217,61 @@ namespace External\ZipStream {
$this->offset = $offset;
}
public function readCentralDirectoryHeader() {
public function readCentralDirectoryHeader(bool $zip64 = false) {
$maxInt32 = 0xFFFFFFFF;
$extraFields = "";
// Compressed Size
if ($zip64 && $this->compressedSize >= $maxInt32) {
$compressedSize = "\xFF\xFF\xFF\xFF";
$extraFields .= pack("P", $this->compressedSize);
} else {
$compressedSize = pack("V", $this->compressedSize);
}
// Uncompressed Size
if ($zip64 && $this->fileSize >= $maxInt32) {
$fileSize = "\xFF\xFF\xFF\xFF";
$extraFields .= pack("P", $this->fileSize);
} else {
$fileSize = pack("V", $this->fileSize);
}
// Offset
if ($zip64 && $this->offset >= $maxInt32) {
$offset = "\xFF\xFF\xFF\xFF";
$extraFields .= pack("P", $this->offset);
} else {
$offset = pack("V", $this->offset);
}
$header = "";
$header .= "\x50\x4b\x01\x02";
$header .= "\x14\x00"; //version 2.0 and MS-DOS compatible
$header .= "\x14\x00"; //version 2.0 and MS-DOS compatible
$header .= $zip64 ? "\x2d\x00" : "\x14\x00"; //version 2.0 and MS-DOS compatible
$header .= $zip64 ? "\x2d\x00" : "\x14\x00"; //version 2.0 and MS-DOS compatible
$header .= pack("v", $this->bitField); //general purpose bit flag
$header .= "\x00\x00"; //compression Method - no
$header .= $this->useCompression ? "\x08\x00" : "\x00\x00"; //compression Method - no
$header .= pack("v", $this->unixTimeToDosTime($this->lastModificationTimestamp)); //dos time
$header .= pack("v", $this->unixTimeToDosDate($this->lastModificationTimestamp)); //dos date
$header .= strrev($this->crc32);
$header .= pack("V", $this->compressedSize); //compressed Size
$header .= pack("V", $this->fileSize); //uncompressed Size
$header .= $compressedSize; //compressed Size
$header .= $fileSize; //uncompressed Size
$header .= pack("v", strlen($this->name)); //filename
$header .= "\x00\x00"; //extra field length
$header .= (strlen($extraFields) > 0) ? pack('v', strlen($extraFields) + 4) : "\x00\x00"; //extra field length
$header .= "\x00\x00"; //comment length
$header .= "\x00\x00"; //disk num start
$header .= "\x00\x00"; //int file attr
$header .= "\x00\x00\x00\x00"; //ext file attr
$header .= pack("V", $this->offset); //relative offset
$header .= $offset; //relative offset
$header .= $this->name;
if (strlen($extraFields) > 0) {
$header .= pack("v", 0x0001); # Zip64 extended information extra field
$header .= pack("v", strlen($extraFields));
$header .= $extraFields;
}
return $header;
}

46
core/External/ZipStream/FileStream.class.php vendored Normal file
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@@ -0,0 +1,46 @@
<?php
namespace External\ZipStream {
use HashContext;
use Objects\AesStream;
class FileStream extends File {
private AesStream $stream;
private HashContext $crc32ctx;
private HashContext $sha256ctx;
public function __construct(AesStream $stream, string $name) {
parent::__construct($name);
$this->stream = $stream;
$this->crc32ctx = hash_init('crc32b');
$this->sha256ctx = hash_init('sha256');
}
public function getStream(): AesStream {
return $this->stream;
}
public function finalize() {
$this->crc32 = hash_final($this->crc32ctx, true);
$this->sha256 = hash_final($this->sha256ctx);
return $this->compress(null);
}
public function processChunk($chunk) {
hash_update($this->crc32ctx, $chunk);
hash_update($this->sha256ctx, $chunk);
$this->fileSize += strlen($chunk);
if ($this->useCompression) {
$chunk = $this->compress($chunk);
}
return $chunk;
}
}
}

60
core/External/ZipStream/ZipStream.php vendored
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@@ -23,10 +23,12 @@
namespace External\ZipStream {
class ZipStream {
private $writer = null;
private $files = [];
private array $files = [];
private bool $zip64;
public function __construct($writer) {
public function __construct($writer, $zip64 = false) {
$this->writer = $writer;
$this->zip64 = $zip64;
}
public function saveFile($file) {
@@ -40,32 +42,66 @@ namespace External\ZipStream {
}
}
$file->setOffset($this->writer->offset());
$this->writer->write($file->readLocalFileHeader());
while (($buffer = $file->readFileData()) !== null) {
$this->writer->write($buffer);
$this->writer->write($file->readLocalFileHeader($this->zip64));
if ($file instanceof FileStream) {
$file->getStream()->setOutput(function ($chunk) use ($file) {
$this->writer->write($file->processChunk($chunk));
});
$file->getStream()->start();
$this->writer->write($file->finalize());
} else {
while (($buffer = $file->readFileData()) !== null) {
$this->writer->write($buffer);
}
}
$this->writer->write($file->readDataDescriptor());
$this->writer->write($file->readDataDescriptor($this->zip64));
$this->files[] = $file;
$file->closeHandle();
return true;
}
// Write end of central directory record
public function close() {
$size = 0;
$offset = $this->writer->offset();
foreach ($this->files as $file) {
$size += $this->writer->write($file->readCentralDirectoryHeader());
$size += $this->writer->write($file->readCentralDirectoryHeader($this->zip64));
}
$data = "";
if ($this->zip64) {
// Size = SizeOfFixedFields + SizeOfVariableData - 12.
$centralDirectorySize = 2*2 + 2*4 + 4*8;
$data .= "\x50\x4b\x06\x06";
$data .= pack("P", $centralDirectorySize);
$data .= "\x2d\x00"; // version 2.0 and MS-DOS compatible
$data .= "\x2d\x00"; // version 2.0 and MS-DOS compatible
$data .= "\x00\x00\x00\x00"; //number of disks
$data .= "\x00\x00\x00\x00"; //number of the disk with the start of the central directory
$data .= pack("P", count($this->files)); //total number of entries in the central directory on this disk
$data .= pack("P", count($this->files)); //total number of entries in the central directory
$data .= pack("P", $size); // size of the central directory
$data .= pack("P", $offset); //offset of start of central directory with respect to the starting disk number
// end of central directory locator
$data .= "\x50\x4b\x06\x07";
$data .= "\x00\x00\x00\x00";
$data .= pack("P", $this->writer->offset());
$data .= pack('V', 1); //number of disks
}
$data .= "\x50\x4b\x05\x06";
$data .= "\x00\x00"; //number of disks
$data .= "\x00\x00"; //number of the disk with the start of the central directory
$data .= pack("v", count($this->files)); //total number of entries in the central directory on this disk
$data .= pack("v", count($this->files)); //total number of entries in the central directory
$data .= pack("V", $size); //size of the central directory
$data .= pack("V", $offset); //offset of start of central directory with respect to the starting disk number
$data .= "\x0\x0"; //comment length
$data .= $this->zip64 ? "\xFF\xFF" : pack("v", count($this->files)); //total number of entries in the central directory on this disk
$data .= $this->zip64 ? "\xFF\xFF" : pack("v", count($this->files)); //total number of entries in the central directory
$data .= $this->zip64 ? "\xFF\xFF\xFF\xFF" : pack("V", $size); // size of the central directory
$data .= $this->zip64 ? "\xFF\xFF\xFF\xFF" : pack("V", $offset); //offset of start of central directory with respect to the starting disk number
$data .= "\x00\x00"; //comment length
$this->writer->write($data);
}
}