1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
* @category Piwik
* @package Piwik
*/
/**
* @see libs/Smarty/Smarty.class.php
* @link http://smarty.net
*/
require_once PIWIK_INCLUDE_PATH . '/libs/Smarty/Smarty.class.php';
/**
* Smarty class
*
* @package Piwik
* @subpackage Piwik_Smarty
* @see Smarty, libs/Smarty/Smarty.class.php
* @link http://smarty.net/manual/en/
*/
class Piwik_Smarty extends Smarty
{
function trigger_error($error_msg, $error_type = E_USER_WARNING)
{
throw new SmartyException($error_msg);
}
public function __construct($smConf = array(), $filter = true)
{
parent::__construct();
$this->init($smConf, $filter);
}
public function init($smConf, $filter)
{
$this->initSettings($smConf);
if ($filter) {
$this->initFilters();
}
}
protected function initSettings($smConf)
{
if (count($smConf) == 0) {
$smConf = Piwik_Config::getInstance()->smarty;
}
foreach ($smConf as $key => $value) {
$this->$key = $value;
}
$this->template_dir = $smConf['template_dir'];
array_walk($this->template_dir, array("Piwik_Smarty", "addPiwikPath"), PIWIK_INCLUDE_PATH);
$this->plugins_dir = $smConf['plugins_dir'];
array_walk($this->plugins_dir, array("Piwik_Smarty", "addPiwikPath"), PIWIK_INCLUDE_PATH);
$this->compile_dir = $smConf['compile_dir'];
Piwik_Smarty::addPiwikPath($this->compile_dir, null, PIWIK_USER_PATH);
$this->cache_dir = $smConf['cache_dir'];
Piwik_Smarty::addPiwikPath($this->cache_dir, null, PIWIK_USER_PATH);
$error_reporting = $smConf['error_reporting'];
if ($error_reporting != (string)(int)$error_reporting) {
$error_reporting = self::bitwise_eval($error_reporting);
}
$this->error_reporting = $error_reporting;
Piwik_PostEvent('Smarty.initSettings', $this);
}
public function initFilters()
{
$this->load_filter('output', 'cachebuster');
$use_ajax_cdn = Piwik_Config::getInstance()->General['use_ajax_cdn'];
if ($use_ajax_cdn) {
$this->load_filter('output', 'ajaxcdn');
}
$this->load_filter('output', 'trimwhitespace');
}
/**
* Evaluate expression containing only bitwise operators.
* Replaces defined constants with corresponding values.
* Does not use eval().
*
* @param string $expression Expression.
* @return string
*/
static public function bitwise_eval($expression)
{
// replace defined constants
$buf = get_defined_constants(true);
// use only the 'Core' PHP constants, e.g., E_ALL, E_STRICT, ...
$consts = isset($buf['Core']) ? $buf['Core'] : (isset($buf['mhash']) ? $buf['mhash'] : $buf['internal']);
$expression = str_replace(' ', '', strtr($expression, $consts));
// bitwise operators in order of precedence (highest to lowest)
// note: boolean ! (NOT) and parentheses aren't handled
$expression = preg_replace_callback('/~(-?[0-9]+)/', @create_function('$matches', 'return (string)((~(int)$matches[1]));'), $expression);
$expression = preg_replace_callback('/(-?[0-9]+)&(-?[0-9]+)/', @create_function('$matches', 'return (string)((int)$matches[1]&(int)$matches[2]);'), $expression);
$expression = preg_replace_callback('/(-?[0-9]+)\^(-?[0-9]+)/', @create_function('$matches', 'return (string)((int)$matches[1]^(int)$matches[2]);'), $expression);
$expression = preg_replace_callback('/(-?[0-9]+)\|(-?[0-9]+)/', @create_function('$matches', 'return (string)((int)$matches[1]|(int)$matches[2]);'), $expression);
return (string)((int)$expression & PHP_INT_MAX);
}
/**
* Prepend relative paths with absolute Piwik path
*
* @param string $value relative path (pass by reference)
* @param int $key (don't care)
* @param string $path Piwik root
*/
static public function addPiwikPath(&$value, $key, $path)
{
if($value[0] != '/' && $value[0] != DIRECTORY_SEPARATOR)
{
$value = $path ."/$value";
}
}
}
/**
* @package Piwik
* @subpackage Piwik_Smarty
*/
class SmartyException extends Exception {}
|
