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<?php |
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namespace FileEye\MimeMap; |
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use SebastianBergmann\Comparator\Factory; |
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use SebastianBergmann\Comparator\ComparisonFailure; |
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use SebastianBergmann\Diff\Differ; |
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use SebastianBergmann\Diff\Output\UnifiedDiffOutputBuilder; |
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/** |
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* Compiles the MIME type to file extension map. |
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*/ |
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class MapUpdater |
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{ |
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/** |
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* Default URL where to read the specification from. |
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* |
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* The apache httpd project contains the most complete list of file |
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* extension to mime type mapping on the planet. We use it to update our |
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* own list. |
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*/ |
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const DEFAULT_URL = 'http://svn.apache.org/viewvc/httpd/httpd/trunk/docs/conf/mime.types?view=co'; |
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/** |
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* The defualt file where to write the map as PHP code. |
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*/ |
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const DEFAULT_CODE_FILE_NAME = 'TypeExtensionMap.php'; |
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public static function getDefaultCodeFilePath() |
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{ |
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return dirname(__FILE__) . '/' . static::DEFAULT_CODE_FILE_NAME; |
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} |
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public function loadMapFromUrl($url = MapUpdater::DEFAULT_URL) |
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{ |
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$map = []; |
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$lines = file($url); |
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if ($lines === false) { |
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throw new \RuntimeException('Error loading URL: ' . $url); |
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} |
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foreach ($lines as $line) { |
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if ($line{0} == '#') { |
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continue; |
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} |
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$line = preg_replace("#\\s+#", ' ', trim($line)); |
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$parts = explode(' ', $line); |
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$type = array_shift($parts); |
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$extensions = $parts; |
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foreach ($extensions as $ext) { |
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$map['types'][$type][] = $ext; |
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$map['extensions'][$ext][] = $type; |
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} |
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} |
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ksort($map['types']); |
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ksort($map['extensions']); |
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return $map; |
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} |
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public function compareMaps($current_map, $new_map) |
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{ |
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$factory = new Factory; |
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$comparator = $factory->getComparatorFor($current_map['types'], $new_map['types']); |
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try { |
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$comparator->assertEquals($current_map['types'], $new_map['types']); |
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return true; |
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} catch (ComparisonFailure $failure) { |
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$current_map_string = var_export($current_map['types'], true); |
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$new_map_string = var_export($new_map['types'], true); |
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$differ = new Differ(new UnifiedDiffOutputBuilder("--- Removed\n+++ Added\n")); |
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throw new \RuntimeException($differ->diff($current_map_string, $new_map_string)); |
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} |
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} |
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public function writeMapToCodeFile($map, $file) |
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{ |
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$new = preg_replace( |
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'#protected static \$extensionToType = (.+?);#s', |
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"protected static \$extensionToType = " . var_export($map, true) . ";", |
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file_get_contents($file) |
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); |
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file_put_contents($file, $new); |
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} |
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} |
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FileEye /
MimeMap
