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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Nextcloud - OCR  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This file is licensed under the Affero General Public License version 3 or  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * later. See the COPYING file.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *   | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author Janis Koehr <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright Janis Koehr 2017  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace OCA\Ocr\Util;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCA\Ocr\Service\NotFoundException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCP\IL10N;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Class PHPUtil  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *   | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package OCA\Ocr\Util  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                class PHPUtil { | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @var IL10N  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    private $l10n;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *   | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param IL10N $l10n  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function __construct(IL10N $l10n) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->l10n = $l10n;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * Wraps the php native function tempnam()  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @codeCoverageIgnore  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *   | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param string $dir              | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param string $prefix              | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @throws NotFoundException  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return string  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function tempnamWrapper($dir, $prefix) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $tempFile = tempnam($dir, $prefix);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($tempFile === false) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            throw new NotFoundException($this->l10n->t('Temp file cannot be created.')); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return $tempFile;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * Wraps the php native function unlink()  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @codeCoverageIgnore  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *   | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param string $fileName              | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @throws NotFoundException  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return boolean  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function unlinkWrapper($fileName) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (unlink($fileName)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            throw new NotFoundException(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    $this->l10n->t('Cannot delete temporary file during temp file creation for tesseract.')); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * Wraps the php native function touch()  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @codeCoverageIgnore  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *   | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param string $fileName              | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @throws NotFoundException  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return boolean  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function touchWrapper($fileName) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (touch($fileName)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            throw new NotFoundException($this->l10n->t('Cannot create temporary file for tesseract.')); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * Wraps the php native function chmod()  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @codeCoverageIgnore  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *   | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param string $fileName              | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param integer $mode              | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @throws NotFoundException  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return boolean  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function chmodWrapper($fileName, $mode) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (chmod($fileName, $mode)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            throw new NotFoundException($this->l10n->t('Cannot set permissions to temporary file for tesseract.')); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                        
            
                                    
            
            
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                }  |