46 lines
1011 B
PHP
46 lines
1011 B
PHP
<?php
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namespace External\ZipStream {
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use HashContext;
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use Objects\AesStream;
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class FileStream extends File {
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private AesStream $stream;
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private HashContext $crc32ctx;
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private HashContext $sha256ctx;
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public function __construct(AesStream $stream, string $name) {
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parent::__construct($name);
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$this->stream = $stream;
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$this->crc32ctx = hash_init('crc32b');
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$this->sha256ctx = hash_init('sha256');
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}
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public function getStream(): AesStream {
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return $this->stream;
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}
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public function finalize() {
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$this->crc32 = hash_final($this->crc32ctx, true);
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$this->sha256 = hash_final($this->sha256ctx);
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return $this->compress(null);
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}
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public function processChunk($chunk) {
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hash_update($this->crc32ctx, $chunk);
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hash_update($this->sha256ctx, $chunk);
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$this->fileSize += strlen($chunk);
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if ($this->useCompression) {
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$chunk = $this->compress($chunk);
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}
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return $chunk;
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}
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}
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} |