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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
<?php
/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
namespace Icinga\Module\Monitoring;
use ArrayIterator;
use Icinga\Exception\ConfigurationError;
use Icinga\Exception\QueryException;
use Icinga\Data\Filter\Filter;
use Icinga\Data\Filterable;
use Icinga\File\Csv;
use Icinga\Module\Monitoring\Backend\MonitoringBackend;
use Icinga\Module\Monitoring\Data\CustomvarProtectionIterator;
use Icinga\Util\Json;
use Icinga\Web\Controller as IcingaWebController;
use Icinga\Web\Url;
/**
* Base class for all monitoring action controller
*/
class Controller extends IcingaWebController
{
/**
* The backend used for this controller
*
* @var MonitoringBackend
*/
protected $backend;
protected function moduleInit()
{
$this->backend = MonitoringBackend::instance($this->_getParam('backend'));
$this->view->url = Url::fromRequest();
}
protected function handleFormatRequest($query)
{
$desiredContentType = $this->getRequest()->getHeader('Accept');
if ($desiredContentType === 'application/json') {
$desiredFormat = 'json';
} elseif ($desiredContentType === 'text/csv') {
$desiredFormat = 'csv';
} else {
$desiredFormat = strtolower($this->params->get('format', 'html'));
}
if ($desiredFormat !== 'html' && ! $this->params->has('limit')) {
$query->limit(); // Resets any default limit and offset
}
switch ($desiredFormat) {
case 'sql':
echo '<pre>'
. htmlspecialchars(wordwrap($query->dump()))
. '</pre>';
exit;
case 'json':
$response = $this->getResponse();
$response
->setHeader('Content-Type', 'application/json')
->setHeader('Cache-Control', 'no-store')
->setHeader(
'Content-Disposition',
'inline; filename=' . $this->getRequest()->getActionName() . '.json'
)
->appendBody(
Json::sanitize(
iterator_to_array(
new CustomvarProtectionIterator(
new ArrayIterator($query->fetchAll())
)
)
)
)
->sendResponse();
exit;
case 'csv':
$response = $this->getResponse();
$response
->setHeader('Content-Type', 'text/csv')
->setHeader('Cache-Control', 'no-store')
->setHeader(
'Content-Disposition',
'attachment; filename=' . $this->getRequest()->getActionName() . '.csv'
)
->appendBody((string) Csv::fromQuery(new CustomvarProtectionIterator($query)))
->sendResponse();
exit;
}
}
/**
* Apply a restriction of the authenticated on the given filterable
*
* @param string $name Name of the restriction
* @param Filterable $filterable Filterable to restrict
*
* @return Filterable The filterable having the restriction applied
*/
protected function applyRestriction($name, Filterable $filterable)
{
$filterable->applyFilter($this->getRestriction($name));
return $filterable;
}
/**
* Get a restriction of the authenticated
*
* @param string $name Name of the restriction
*
* @return Filter Filter object
* @throws ConfigurationError If the restriction contains invalid filter columns
*/
protected function getRestriction($name)
{
$restriction = Filter::matchAny();
$restriction->setAllowedFilterColumns(array(
'host_name',
'hostgroup_name',
'instance_name',
'service_description',
'servicegroup_name',
function ($c) {
return preg_match('/^_(?:host|service)_/i', $c);
}
));
foreach ($this->getRestrictions($name) as $filter) {
if ($filter === '*') {
return Filter::matchAll();
}
try {
$restriction->addFilter(Filter::fromQueryString($filter));
} catch (QueryException $e) {
throw new ConfigurationError(
$this->translate(
'Cannot apply restriction %s using the filter %s. You can only use the following columns: %s'
),
$name,
$filter,
implode(', ', array(
'instance_name',
'host_name',
'hostgroup_name',
'service_description',
'servicegroup_name',
'_(host|service)_<customvar-name>'
)),
$e
);
}
}
if ($restriction->isEmpty()) {
return Filter::matchAll();
}
return $restriction;
}
}
|
