|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* @package domain |
|
4
|
|
|
* @subpackage access |
|
5
|
|
|
* @author marius orcsik <[email protected]> |
|
6
|
|
|
* @date 12.08.07 |
|
7
|
|
|
*/ |
|
8
|
|
|
namespace vsc\domain\access; |
|
9
|
|
|
|
|
10
|
|
|
use vsc\infrastructure\Object; |
|
11
|
|
|
use vsc\ExceptionError; |
|
12
|
|
|
|
|
13
|
|
|
class FileAccess extends Object { |
|
14
|
|
|
private $sUri; |
|
15
|
|
|
|
|
16
|
|
|
private $sCachePath; |
|
17
|
|
|
protected $saveToCache = true; |
|
18
|
|
|
|
|
19
|
1 |
|
public function __construct($sUri) { |
|
20
|
1 |
|
$this->sUri = $sUri; |
|
21
|
1 |
|
} |
|
22
|
|
|
|
|
23
|
1 |
|
public function getUri() { |
|
|
|
|
|
|
24
|
1 |
|
return $this->sUri; |
|
25
|
|
|
} |
|
26
|
|
|
|
|
27
|
1 |
|
public function getCachePath() { |
|
|
|
|
|
|
28
|
1 |
|
return $this->sCachePath; |
|
29
|
|
|
} |
|
30
|
|
|
|
|
31
|
1 |
|
public function setCachePath($sPath) { |
|
32
|
1 |
|
if (is_dir($sPath)) { |
|
33
|
1 |
|
$this->sCachePath = $sPath; |
|
34
|
|
|
} else { |
|
35
|
|
|
throw new ExceptionAccess('Path [' . $sPath . '] is invalid for cache'); |
|
36
|
|
|
} |
|
37
|
1 |
|
} |
|
38
|
|
|
|
|
39
|
|
|
/** |
|
40
|
|
|
* @param string $sFile |
|
41
|
|
|
* @return string |
|
42
|
|
|
*/ |
|
43
|
1 |
|
public function getLocalPath($sFile) { |
|
44
|
1 |
|
return $this->sCachePath . DIRECTORY_SEPARATOR . $sFile; |
|
45
|
|
|
} |
|
46
|
|
|
|
|
47
|
1 |
|
public function getSignature($sUri) { |
|
48
|
1 |
|
return md5($sUri . date('Ymd')); |
|
49
|
|
|
} |
|
50
|
|
|
|
|
51
|
|
|
/** |
|
52
|
|
|
* @param string $sUri |
|
53
|
|
|
* @return bool |
|
54
|
|
|
*/ |
|
55
|
1 |
|
public function inCache($sUri) { |
|
56
|
1 |
|
return (is_file($this->getLocalPath($this->getSignature($sUri)))); |
|
57
|
|
|
} |
|
58
|
|
|
|
|
59
|
1 |
|
public function loadFromCache($sUri) { |
|
60
|
1 |
|
return file_get_contents($this->getLocalPath($this->getSignature($sUri))); |
|
61
|
|
|
} |
|
62
|
|
|
|
|
63
|
|
|
/** |
|
64
|
|
|
* @param string $sUri |
|
65
|
|
|
* @param string $sContent |
|
66
|
|
|
* @throws ExceptionError |
|
67
|
|
|
*/ |
|
68
|
1 |
|
public function cacheFile($sUri, $sContent) { |
|
69
|
1 |
|
$sFileName = $this->getLocalPath($this->getSignature($sUri)); |
|
70
|
|
|
// creating the file |
|
71
|
1 |
|
if (!touch($sFileName)) { |
|
72
|
|
|
throw new ExceptionError('Path [' . $sFileName . '] is not accessible.'); |
|
73
|
|
|
} |
|
74
|
|
|
|
|
75
|
1 |
|
if (is_writable($sFileName)) { |
|
76
|
1 |
|
file_put_contents($sFileName, $sContent); |
|
77
|
|
|
} else { |
|
78
|
|
|
throw new ExceptionError('Path [' . $sFileName . '] is not writable.'); |
|
79
|
|
|
} |
|
80
|
1 |
|
} |
|
81
|
|
|
|
|
82
|
1 |
|
public function isLocalFile() { |
|
83
|
1 |
|
return is_file($this->sUri); |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
1 |
|
public static function getFile($sPath) { |
|
87
|
1 |
|
return file_get_contents($sPath); |
|
88
|
|
|
} |
|
89
|
|
|
|
|
90
|
2 |
|
public function load() { |
|
91
|
2 |
|
if ($this->isLocalFile($this->sUri) || !$this->inCache($this->sUri)) { |
|
|
|
|
|
|
92
|
|
|
// @todo: use curl when file_get_contents doesn't work with urls |
|
93
|
2 |
|
$sContent = $this->getFile($this->sUri); |
|
94
|
|
|
|
|
95
|
|
|
try { |
|
96
|
2 |
|
if (!$this->isLocalFile($this->sUri) && $this->saveToCache) { |
|
|
|
|
|
|
97
|
2 |
|
$this->cacheFile($this->sUri, $sContent); |
|
98
|
|
|
} |
|
99
|
|
|
} catch (ExceptionAccess $e) { |
|
100
|
|
|
// no cache dir |
|
101
|
|
|
} catch (ExceptionError $e) { |
|
102
|
|
|
//_e ($e->getTraceAsString()); |
|
|
|
|
|
|
103
|
|
|
} |
|
104
|
|
|
|
|
105
|
2 |
|
return $sContent; |
|
106
|
|
|
} else { |
|
107
|
|
|
return $this->loadFromCache($this->sUri); |
|
108
|
|
|
} |
|
109
|
|
|
} |
|
110
|
|
|
} |
|
111
|
|
|
|
Our type inference engine in quite powerful, but sometimes the code does not provide enough clues to go by. In these cases we request you to add a
@returnannotation as described here.