| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * Copyright (c) 2014 Victor Dubiniuk <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * This file is licensed under the Affero General Public License version 3 or | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * later. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * See the COPYING-README file. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | namespace OCA\Files_Antivirus; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | use OCA\Files_Antivirus\Db\Rule; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | use OCA\Files_Antivirus\Db\RuleMapper; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | use OCP\ILogger; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | class Status { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | 	 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | 	/* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | 	 *  The file was not checked (e.g. because the AV daemon wasn't running). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | 	public const SCANRESULT_UNCHECKED = -1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | 	/* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | 	 *  The file was checked and found to be clean. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | 	public const SCANRESULT_CLEAN = 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | 	/* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | 	 *  The file was checked and found to be infected. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | 	public const SCANRESULT_INFECTED = 1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | 	 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | 	/* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | 	 * Should be SCANRESULT_UNCHECKED | SCANRESULT_INFECTED | SCANRESULT_CLEAN | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  | 	protected $numericStatus = self::SCANRESULT_UNCHECKED; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  | 	 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | 	/* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  | 	 * Virus name or error message | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  | 	protected $details = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  | 	/** @var RuleMapper */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  | 	protected $ruleMapper; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | 	/** @var ILogger */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  | 	protected $logger; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  | 	 * Status constructor. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  | 	 * @param RuleMapper $ruleMapper | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  | 	 * @param ILogger $logger | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 53 |  |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 54 | 1 |  | 	public function __construct(RuleMapper $ruleMapper, ILogger $logger) { | 
            
                                                                        
                            
            
                                    
            
            
                | 55 | 1 |  | 		$this->ruleMapper = $ruleMapper; | 
            
                                                                        
                            
            
                                    
            
            
                | 56 | 1 |  | 		$this->logger = $logger; | 
            
                                                                        
                            
            
                                    
            
            
                | 57 | 1 |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  | 	 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  | 	 * Get scan status as integer | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  | 	 * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 | 1 |  | 	public function getNumericStatus() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 | 1 |  | 		return $this->numericStatus; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  | 	 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  | 	 * Get scan status as string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  | 	 * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 | 1 |  | 	public function getDetails() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 | 1 |  | 		return $this->details; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  | 	public function setNumericStatus(int $numericStatus): void { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  | 		$this->numericStatus = $numericStatus; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  | 	public function setDetails(string $details): void { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  | 		$this->details = $details; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  | 	 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  | 	 * @param string $rawResponse | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  | 	 * @param integer $result | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 | 1 |  | 	public function parseResponse($rawResponse, $result = null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 | 1 |  | 		$matches = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 | 1 |  | 		if (is_null($result)) { // Daemon or socket mode | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  | 			try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 | 1 |  | 				$allRules = $this->getResponseRules(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  | 			} catch (\Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  | 				$this->logger->error(__METHOD__.', exception: '.$e->getMessage(), ['app' => 'files_antivirus']); | 
                            
                    |  |  |  | 
                                                                                        
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                | 95 |  |  | 				return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  | 			 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 | 1 |  | 			$isMatched = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 | 1 |  | 			foreach ($allRules as $rule) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 | 1 |  | 				if (preg_match($rule->getMatch(), $rawResponse, $matches)) { | 
                            
                    |  |  |  | 
                                                                                        
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                | 101 | 1 |  | 					$isMatched = true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 | 1 |  | 					$this->numericStatus = (int)$rule->getStatus(); | 
                            
                    |  |  |  | 
                                                                                        
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                | 103 | 1 |  | 					if ((int)$rule->getStatus() === self::SCANRESULT_CLEAN) { | 
                            
                    |  |  |  | 
                                                                                        
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                | 104 | 1 |  | 						$this->details = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  | 					} else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 | 1 |  | 						$this->details = isset($matches[1]) ? $matches[1] : 'unknown'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  | 					} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 | 1 |  | 					break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  | 				} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  | 			 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 | 1 |  | 			if (!$isMatched) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 | 1 |  | 				$this->numericStatus = self::SCANRESULT_UNCHECKED; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 | 1 |  | 				$this->details = 'No matching rules. Please check antivirus rules.'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  | 		} else { // Executable mode | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  | 			$scanStatus = $this->ruleMapper->findByResult($result); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 | 1 |  | 			if (is_array($scanStatus) && count($scanStatus)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 | 1 |  | 				$this->numericStatus = (int)$scanStatus[0]->getStatus(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 | 1 |  | 				$this->details = $scanStatus[0]->getDescription(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 | 1 |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  | 			 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  | 			switch ($this->numericStatus) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 | 1 |  | 				case self::SCANRESULT_INFECTED: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 | 1 |  | 					$report = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 | 1 |  | 					$rawResponse = explode("\n", $rawResponse); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 | 1 |  | 					 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  | 					foreach ($rawResponse as $line) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 | 1 |  | 						if (preg_match('/.*: (.*) FOUND\s*$/', $line, $matches)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 | 1 |  | 							$report[] = $matches[1]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 | 1 |  | 						} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  | 					} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  | 					$this->details = implode(', ', $report); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 | 1 |  | 					 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  | 					break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 | 1 |  | 				case self::SCANRESULT_UNCHECKED: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 | 1 |  | 					if (!$this->details) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 | 1 |  | 						$this->details = 'No matching rule for exit code ' .  $this->numericStatus .'. Please check antivirus rules configuration.' ; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  | 					} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 | 1 |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  | 	 * @return Rule[] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  | 	protected function getResponseRules() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 | 1 |  | 		$infectedRules = $this->ruleMapper->findAllMatchedByStatus(self::SCANRESULT_INFECTED); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 | 1 |  | 		$uncheckedRules = $this->ruleMapper->findAllMatchedByStatus(self::SCANRESULT_UNCHECKED); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 | 1 |  | 		$cleanRules = $this->ruleMapper->findAllMatchedByStatus(self::SCANRESULT_CLEAN); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 | 1 |  | 		 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  | 		$infectedRules = $infectedRules ? $infectedRules : []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 | 1 |  | 		$uncheckedRules = $uncheckedRules ? $uncheckedRules : []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 | 1 |  | 		$cleanRules = $cleanRules ? $cleanRules : []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 | 1 |  | 		 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  | 		// order: clean, infected, try to guess error | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  | 		return array_merge($cleanRules, $infectedRules, $uncheckedRules); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 | 1 |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  | 	 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  | 	public function dispatch(Item $item) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  | 		switch ($this->getNumericStatus()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  | 			case self::SCANRESULT_UNCHECKED: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  | 				$item->processUnchecked($this); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  | 				break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  | 			case self::SCANRESULT_INFECTED: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  | 				$item->processInfected($this); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  | 				break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  | 			case self::SCANRESULT_CLEAN: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  | 				$item->processClean(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  | 				break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  | 	} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 173 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 174 |  |  |  | 
            
                        
This method has been deprecated. The supplier of the class has supplied an explanatory message.
The explanatory message should give you some clue as to whether and when the method will be removed from the class and what other method or class to use instead.