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25 lines
612 B
PHP
Executable File
25 lines
612 B
PHP
Executable File
#!/usr/bin/env php
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<?php
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$bkup_dir = __DIR__ . '/data/';
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$file_list = glob($bkup_dir . '*.xml');
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$hashes = array();
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foreach ($file_list as $file) {
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$filename = basename($file);
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$file_hash = sha1_file($file);
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if (isset($hashes[$file_hash])) {
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$old_file = $hashes[$file_hash];
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if (md5_file($file) == md5_file($bkup_dir . $old_file)) {
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echo 'Duplicate file: ' . $filename . ' (first: ' . $old_file . ')' . PHP_EOL;
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unlink($file);
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continue;
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}
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echo 'Possible SHA1 collision?' . PHP_EOL;
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}
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$hashes[$file_hash] = $filename;
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}
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