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<?php |
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namespace Matecat\SubFiltering\Filters\Sprintf; |
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class SprintfLocker { |
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/** |
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* Protection tags |
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*/ |
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const PRE_LOCK_TAG = '_____########'; |
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const POST_LOCK_TAG = '########_____'; |
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/** |
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* @var string|null |
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*/ |
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private ?string $source; |
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/** |
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* @var string|null |
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*/ |
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private ?string $target; |
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/** |
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* @var array |
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*/ |
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private array $notAllowedMap; |
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/** |
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* @var array |
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*/ |
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private array $replacementMap = []; |
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/** |
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* SprintfLocker constructor. |
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* |
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* @param string|null $source |
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* @param string|null $target |
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*/ |
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public function __construct( ?string $source = null, ?string $target = null ) { |
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$this->source = $source; |
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$this->target = $target; |
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$this->notAllowedMap = $this->createNotAllowedMap(); |
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} |
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/** |
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* @return array |
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*/ |
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private function createNotAllowedMap(): array { |
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$map = []; |
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$all = include __DIR__ . "/language/all/not_allowed.php"; |
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$map = array_merge( $map, $all ); |
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if ( $this->source and file_exists( __DIR__ . "/language/" . $this->source . "/not_allowed.php" ) ) { |
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$source = include __DIR__ . "/language/" . $this->source . "/not_allowed.php"; |
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$map = array_merge( $map, $source ); |
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} |
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if ( $this->target and file_exists( __DIR__ . "/language/" . $this->target . "/not_allowed.php" ) ) { |
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$target = include __DIR__ . "/language/" . $this->target . "/not_allowed.php"; |
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$map = array_merge( $map, $target ); |
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} |
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return $map; |
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} |
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/** |
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* @param string $segment |
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* |
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* @return string |
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*/ |
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public function lock( string $segment ): string { |
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$replacementMap = $this->createReplacementMap( $segment ); |
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$this->replacementMap = $replacementMap; |
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return str_replace( array_keys( $replacementMap ), array_values( $replacementMap ), $segment ); |
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} |
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/** |
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* @param string $segment |
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* |
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* @return string |
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*/ |
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public function unlock(string $segment ): string { |
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$replacementMap = $this->replacementMap; |
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return str_replace( array_values( $replacementMap ), array_keys( $replacementMap ), $segment ); |
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} |
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/** |
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* Create the replacement map |
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* |
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* @param string $segment |
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* |
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* @return array |
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*/ |
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private function createReplacementMap( string $segment ): array { |
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$replacementMap = []; |
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foreach ( $this->notAllowedMap as $item => $details ) { |
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$type = $details[ 'type' ]; |
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switch ( $type ) { |
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case 'exact': |
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$replacementMap[ $item ] = self::PRE_LOCK_TAG . $this->maskString( $item ) . self::POST_LOCK_TAG; |
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break; |
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case 'regex': |
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preg_match_all( '/' . $item . '/', $segment, $matches ); |
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foreach ( $matches[ 0 ] as $match ) { |
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$replacementMap[ $match ] = self::PRE_LOCK_TAG . $this->maskString( $match ) . self::POST_LOCK_TAG; |
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} |
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break; |
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} |
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} |
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return $replacementMap; |
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} |
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/** |
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* @param string $string |
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* |
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* @return string |
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*/ |
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4 |
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private function maskString( string $string ): string { |
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4 |
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return str_replace( [ '%', '-', '_' ], '', $string ); |
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} |
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} |
matecat /
subfiltering
