|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Copyright (c) 2014 Viktar 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
|
|
|
class Status { |
|
12
|
|
|
|
|
13
|
|
|
/* |
|
14
|
|
|
* The file was not checked (e.g. because the AV daemon wasn't running). |
|
15
|
|
|
*/ |
|
16
|
|
|
const SCANRESULT_UNCHECKED = -1; |
|
17
|
|
|
|
|
18
|
|
|
/* |
|
19
|
|
|
* The file was checked and found to be clean. |
|
20
|
|
|
*/ |
|
21
|
|
|
const SCANRESULT_CLEAN = 0; |
|
22
|
|
|
|
|
23
|
|
|
/* |
|
24
|
|
|
* The file was checked and found to be infected. |
|
25
|
|
|
*/ |
|
26
|
|
|
const SCANRESULT_INFECTED = 1; |
|
27
|
|
|
|
|
28
|
|
|
/* |
|
29
|
|
|
* Should be SCANRESULT_UNCHECKED | SCANRESULT_INFECTED | SCANRESULT_CLEAN |
|
30
|
|
|
*/ |
|
31
|
|
|
protected $numericStatus; |
|
32
|
|
|
|
|
33
|
|
|
/* |
|
34
|
|
|
* Virus name or error message |
|
35
|
|
|
*/ |
|
36
|
|
|
protected $details = ""; |
|
37
|
|
|
|
|
38
|
|
|
protected $ruleMapper; |
|
39
|
|
|
|
|
40
|
10 |
|
public function __construct(){ |
|
41
|
10 |
|
$this->numericStatus = self::SCANRESULT_UNCHECKED; |
|
42
|
10 |
|
$this->ruleMapper = new Db\RuleMapper(\OC::$server->getDb()); |
|
43
|
10 |
|
} |
|
44
|
|
|
|
|
45
|
|
|
/** |
|
46
|
|
|
* Get scan status as integer |
|
47
|
|
|
* @return int |
|
48
|
|
|
*/ |
|
49
|
8 |
|
public function getNumericStatus(){ |
|
50
|
8 |
|
return $this->numericStatus; |
|
51
|
|
|
} |
|
52
|
|
|
|
|
53
|
|
|
/** |
|
54
|
|
|
* Get scan status as string |
|
55
|
|
|
* @return string |
|
56
|
|
|
*/ |
|
57
|
4 |
|
public function getDetails(){ |
|
58
|
4 |
|
return $this->details; |
|
59
|
|
|
} |
|
60
|
|
|
|
|
61
|
|
|
/** |
|
62
|
|
|
* @param string $rawResponse |
|
63
|
|
|
* @param integer $result |
|
64
|
|
|
*/ |
|
65
|
8 |
|
public function parseResponse($rawResponse, $result = null){ |
|
66
|
8 |
|
$matches = array(); |
|
67
|
8 |
|
$ruleMapper = new Db\RuleMapper(\OC::$server->getDb()); |
|
68
|
8 |
|
if (is_null($result)){ // Daemon or socket mode |
|
69
|
|
|
try{ |
|
70
|
5 |
|
$allRules = $this->getResponseRules(); |
|
71
|
|
|
} catch (\Exception $e){ |
|
72
|
|
|
\OCP\Util::writeLog('files_antivirus', __METHOD__.', exception: '.$e->getMessage(), \OCP\Util::ERROR); |
|
73
|
|
|
return; |
|
74
|
|
|
} |
|
75
|
|
|
|
|
76
|
5 |
|
$isMatched = false; |
|
77
|
5 |
|
foreach ($allRules as $rule){ |
|
78
|
5 |
|
if (preg_match($rule->getMatch(), $rawResponse, $matches)){ |
|
79
|
4 |
|
$isMatched = true; |
|
80
|
4 |
|
$this->numericStatus = intval($rule->getStatus()); |
|
81
|
4 |
|
if (intval($rule->getStatus())===self::SCANRESULT_CLEAN){ |
|
82
|
1 |
|
$this->details = ''; |
|
83
|
|
|
} else { |
|
84
|
4 |
|
$this->details = isset($matches[1]) ? $matches[1] : 'unknown'; |
|
85
|
|
|
} |
|
86
|
5 |
|
break; |
|
87
|
|
|
} |
|
88
|
|
|
} |
|
89
|
|
|
|
|
90
|
5 |
|
if (!$isMatched){ |
|
91
|
3 |
|
$this->numericStatus = self::SCANRESULT_UNCHECKED; |
|
92
|
5 |
|
$this->details = 'No matching rules. Please check antivirus rules.'; |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
|
|
} else { // Executable mode |
|
96
|
4 |
|
$scanStatus = $ruleMapper->findByResult($result); |
|
97
|
4 |
|
if (is_array($scanStatus) && count($scanStatus)){ |
|
98
|
4 |
|
$this->numericStatus = intval($scanStatus[0]->getStatus()); |
|
99
|
4 |
|
$this->details = $scanStatus[0]->getDescription(); |
|
100
|
|
|
} |
|
101
|
|
|
|
|
102
|
4 |
|
switch($this->numericStatus) { |
|
103
|
4 |
|
case self::SCANRESULT_INFECTED: |
|
104
|
2 |
|
$report = array(); |
|
105
|
2 |
|
$rawResponse = explode("\n", $rawResponse); |
|
106
|
|
|
|
|
107
|
2 |
|
foreach ($rawResponse as $line){ |
|
108
|
2 |
|
if (preg_match('/.*: (.*) FOUND\s*$/', $line, $matches)) { |
|
109
|
2 |
|
$report[] = $matches[1]; |
|
110
|
|
|
} |
|
111
|
|
|
} |
|
112
|
2 |
|
$this->details = implode(', ', $report); |
|
113
|
|
|
|
|
114
|
2 |
|
break; |
|
115
|
4 |
|
case self::SCANRESULT_UNCHECKED: |
|
116
|
1 |
|
if (!$this->details) { |
|
117
|
|
|
$this->details = 'No matching rule for exit code ' . $this->numericStatus .'. Please check antivirus rules configuration.' ; |
|
118
|
|
|
} |
|
119
|
|
|
} |
|
120
|
|
|
} |
|
121
|
8 |
|
} |
|
122
|
|
|
|
|
123
|
5 |
|
protected function getResponseRules(){ |
|
124
|
5 |
|
$infectedRules = $this->ruleMapper->findAllMatchedByStatus(self::SCANRESULT_INFECTED); |
|
125
|
5 |
|
$uncheckedRules = $this->ruleMapper->findAllMatchedByStatus(self::SCANRESULT_UNCHECKED); |
|
126
|
5 |
|
$cleanRules = $this->ruleMapper->findAllMatchedByStatus(self::SCANRESULT_CLEAN); |
|
127
|
|
|
|
|
128
|
5 |
|
$infectedRules = $infectedRules ? $infectedRules : array(); |
|
129
|
5 |
|
$uncheckedRules = $uncheckedRules ? $uncheckedRules : array(); |
|
130
|
5 |
|
$cleanRules = $cleanRules ? $cleanRules : array(); |
|
131
|
|
|
|
|
132
|
|
|
// order: clean, infected, try to guess error |
|
133
|
5 |
|
$allRules = array_merge($cleanRules, $infectedRules, $uncheckedRules); |
|
134
|
5 |
|
return $allRules; |
|
135
|
|
|
} |
|
136
|
|
|
|
|
137
|
|
|
public function dispatch($item, $isBackground = false){ |
|
138
|
|
|
switch($this->getNumericStatus()) { |
|
139
|
|
|
case self::SCANRESULT_UNCHECKED: |
|
140
|
|
|
$item->processUnchecked($this, $isBackground); |
|
141
|
|
|
break; |
|
142
|
|
|
case self::SCANRESULT_INFECTED: |
|
143
|
|
|
$item->processInfected($this, $isBackground); |
|
144
|
|
|
break; |
|
145
|
|
|
case self::SCANRESULT_CLEAN: |
|
146
|
|
|
$item->processClean($this, $isBackground); |
|
147
|
|
|
break; |
|
148
|
|
|
} |
|
149
|
|
|
} |
|
150
|
|
|
} |
|
151
|
|
|
|
owncloud /
files_antivirus
