|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace SilverStripe\VersionFeed; |
|
4
|
|
|
|
|
5
|
|
|
use SilverStripe\Core\Config\Config; |
|
6
|
|
|
use SilverStripe\VersionFeed\VersionFeed; |
|
7
|
|
|
use SilverStripe\Control\RSS\RSSFeed; |
|
8
|
|
|
use SilverStripe\SiteConfig\SiteConfig; |
|
9
|
|
|
use SilverStripe\ORM\DB; |
|
10
|
|
|
use SilverStripe\Security\Member; |
|
11
|
|
|
use SilverStripe\ORM\ArrayList; |
|
12
|
|
|
use SilverStripe\CMS\Model\SiteTree; |
|
13
|
|
|
use SilverStripe\Versioned\Versioned_Version; |
|
14
|
|
|
use SilverStripe\Core\Convert; |
|
15
|
|
|
use SilverStripe\View\Requirements; |
|
16
|
|
|
use SilverStripe\Core\Extension; |
|
17
|
|
|
use SilverStripe\VersionFeed\Filters\ContentFilter; |
|
18
|
|
|
|
|
19
|
|
|
class VersionFeedController extends Extension { |
|
20
|
|
|
|
|
21
|
|
|
private static $allowed_actions = array( |
|
|
|
|
|
|
22
|
|
|
'changes', |
|
23
|
|
|
'allchanges' |
|
24
|
|
|
); |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* Content handler |
|
28
|
|
|
* |
|
29
|
|
|
* @var ContentFilter |
|
30
|
|
|
*/ |
|
31
|
|
|
protected $contentFilter; |
|
32
|
|
|
|
|
33
|
|
|
/** |
|
34
|
|
|
* Sets the content filter |
|
35
|
|
|
* |
|
36
|
|
|
* @param ContentFilter $contentFilter |
|
37
|
|
|
*/ |
|
38
|
|
|
public function setContentFilter(ContentFilter $contentFilter) { |
|
39
|
|
|
$this->contentFilter = $contentFilter; |
|
40
|
|
|
} |
|
41
|
|
|
|
|
42
|
|
|
/** |
|
43
|
|
|
* Evaluates the result of the given callback |
|
44
|
|
|
* |
|
45
|
|
|
* @param string $key Unique key for this |
|
46
|
|
|
* @param callable $callback Callback for evaluating the content |
|
47
|
|
|
* @return mixed Result of $callback() |
|
48
|
|
|
*/ |
|
49
|
|
|
protected function filterContent($key, $callback) { |
|
50
|
|
|
if($this->contentFilter) { |
|
51
|
|
|
return $this->contentFilter->getContent($key, $callback); |
|
52
|
|
|
} else { |
|
53
|
|
|
return call_user_func($callback); |
|
54
|
|
|
} |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
public function onAfterInit() { |
|
58
|
|
|
$this->linkToPageRSSFeed(); |
|
59
|
|
|
$this->linkToAllSiteRSSFeed(); |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
/** |
|
63
|
|
|
* Get page-specific changes in a RSS feed. |
|
64
|
|
|
*/ |
|
65
|
|
|
public function changes() { |
|
66
|
|
|
// Check viewability of changes |
|
67
|
|
|
if(!Config::inst()->get(VersionFeed::class, 'changes_enabled') |
|
68
|
|
|
|| !$this->owner->PublicHistory |
|
69
|
|
|
|| $this->owner->Version == '' |
|
70
|
|
|
) { |
|
71
|
|
|
return $this->owner->httpError(404, 'Page history not viewable'); |
|
72
|
|
|
} |
|
73
|
|
|
|
|
74
|
|
|
// Cache the diffs to remove DOS possibility. |
|
75
|
|
|
$target = $this->owner; |
|
76
|
|
|
$key = implode('_', array('changes', $this->owner->ID, $this->owner->Version)); |
|
77
|
|
|
$entries = $this->filterContent($key, function() use ($target) { |
|
78
|
|
|
return $target->getDiffList(null, Config::inst()->get(VersionFeed::class, 'changes_limit')); |
|
79
|
|
|
}); |
|
80
|
|
|
|
|
81
|
|
|
// Generate the output. |
|
82
|
|
|
$title = sprintf(_t('RSSHistory.SINGLEPAGEFEEDTITLE', 'Updates to %s page'), $this->owner->Title); |
|
83
|
|
|
$rss = new RSSFeed($entries, $this->owner->request->getURL(), $title, '', 'Title', '', null); |
|
84
|
|
|
$rss->setTemplate('Page_changes_rss'); |
|
85
|
|
|
return $rss->outputToBrowser(); |
|
86
|
|
|
} |
|
87
|
|
|
|
|
88
|
|
|
/** |
|
89
|
|
|
* Get all changes from the site in a RSS feed. |
|
90
|
|
|
*/ |
|
91
|
|
|
public function allchanges() { |
|
92
|
|
|
// Check viewability of allchanges |
|
93
|
|
|
if(!Config::inst()->get(VersionFeed::class, 'allchanges_enabled') |
|
94
|
|
|
|| !SiteConfig::current_site_config()->AllChangesEnabled |
|
95
|
|
|
) { |
|
96
|
|
|
return $this->owner->httpError(404, 'Global history not viewable'); |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
|
|
$limit = (int)Config::inst()->get(VersionFeed::class, 'allchanges_limit'); |
|
100
|
|
|
$latestChanges = DB::query(' |
|
101
|
|
|
SELECT * FROM "SiteTree_versions" |
|
102
|
|
|
WHERE "WasPublished" = \'1\' |
|
103
|
|
|
AND "CanViewType" IN (\'Anyone\', \'Inherit\') |
|
104
|
|
|
AND "ShowInSearch" = 1 |
|
105
|
|
|
AND ("PublicHistory" IS NULL OR "PublicHistory" = \'1\') |
|
106
|
|
|
ORDER BY "LastEdited" DESC LIMIT ' . $limit |
|
107
|
|
|
); |
|
108
|
|
|
$lastChange = $latestChanges->record(); |
|
109
|
|
|
$latestChanges->rewind(); |
|
110
|
|
|
|
|
111
|
|
|
if ($lastChange) { |
|
|
|
|
|
|
112
|
|
|
|
|
113
|
|
|
// Cache the diffs to remove DOS possibility. |
|
114
|
|
|
$key = 'allchanges' |
|
115
|
|
|
. preg_replace('#[^a-zA-Z0-9_]#', '', $lastChange['LastEdited']) |
|
116
|
|
|
. (Member::currentUserID() ?: 'public'); |
|
117
|
|
|
$changeList = $this->filterContent($key, function() use ($latestChanges) { |
|
118
|
|
|
$changeList = new ArrayList(); |
|
119
|
|
|
$canView = array(); |
|
120
|
|
|
foreach ($latestChanges as $record) { |
|
121
|
|
|
|
|
122
|
|
|
// Check if the page should be visible. |
|
123
|
|
|
// WARNING: although we are providing historical details, we check the current configuration. |
|
124
|
|
|
$id = $record['RecordID']; |
|
125
|
|
|
if(!isset($canView[$id])) { |
|
126
|
|
|
$page = SiteTree::get()->byID($id); |
|
127
|
|
|
$canView[$id] = $page && $page->canView(new Member()); |
|
128
|
|
|
} |
|
129
|
|
|
if (!$canView[$id]) continue; |
|
130
|
|
|
|
|
131
|
|
|
// Get the diff to the previous version. |
|
132
|
|
|
$version = new Versioned_Version($record); |
|
133
|
|
|
if ($diff = $version->getDiff()) { |
|
134
|
|
|
$changeList->push($diff); |
|
135
|
|
|
} |
|
136
|
|
|
} |
|
137
|
|
|
|
|
138
|
|
|
return $changeList; |
|
139
|
|
|
}); |
|
140
|
|
|
} else { |
|
141
|
|
|
$changeList = new ArrayList(); |
|
142
|
|
|
} |
|
143
|
|
|
|
|
144
|
|
|
// Produce output |
|
145
|
|
|
$rss = new RSSFeed($changeList, $this->owner->request->getURL(), $this->linkToAllSitesRSSFeedTitle(), '', 'Title', '', null); |
|
146
|
|
|
$rss->setTemplate('Page_allchanges_rss'); |
|
147
|
|
|
return $rss->outputToBrowser(); |
|
148
|
|
|
} |
|
149
|
|
|
|
|
150
|
|
|
/** |
|
151
|
|
|
* Generates and embeds the RSS header link for the page-specific version rss feed |
|
152
|
|
|
*/ |
|
153
|
|
|
public function linkToPageRSSFeed() { |
|
154
|
|
|
if (!Config::inst()->get(VersionFeed::class, 'changes_enabled') || !$this->owner->PublicHistory) { |
|
155
|
|
|
return; |
|
156
|
|
|
} |
|
157
|
|
|
|
|
158
|
|
|
RSSFeed::linkToFeed( |
|
159
|
|
|
$this->owner->Link('changes'), |
|
160
|
|
|
sprintf( |
|
161
|
|
|
_t('RSSHistory.SINGLEPAGEFEEDTITLE', 'Updates to %s page'), |
|
162
|
|
|
$this->owner->Title |
|
163
|
|
|
) |
|
164
|
|
|
); |
|
165
|
|
|
} |
|
166
|
|
|
|
|
167
|
|
|
/** |
|
168
|
|
|
* Generates and embeds the RSS header link for the global version rss feed |
|
169
|
|
|
*/ |
|
170
|
|
|
public function linkToAllSiteRSSFeed() { |
|
171
|
|
|
if(!Config::inst()->get(VersionFeed::class, 'allchanges_enabled') |
|
172
|
|
|
|| !SiteConfig::current_site_config()->AllChangesEnabled |
|
173
|
|
|
) { |
|
174
|
|
|
return; |
|
175
|
|
|
} |
|
176
|
|
|
|
|
177
|
|
|
// RSS feed to all-site changes. |
|
178
|
|
|
$title = Convert::raw2xml($this->linkToAllSitesRSSFeedTitle()); |
|
179
|
|
|
$url = $this->owner->getSiteRSSLink(); |
|
180
|
|
|
|
|
181
|
|
|
Requirements::insertHeadTags( |
|
182
|
|
|
'<link rel="alternate" type="application/rss+xml" title="' . $title . |
|
183
|
|
|
'" href="' . $url . '" />'); |
|
184
|
|
|
} |
|
185
|
|
|
|
|
186
|
|
|
public function linkToAllSitesRSSFeedTitle() { |
|
187
|
|
|
return sprintf(_t('RSSHistory.SITEFEEDTITLE', 'Updates to %s'), SiteConfig::current_site_config()->Title); |
|
188
|
|
|
} |
|
189
|
|
|
} |
|
190
|
|
|
|
silverstripe /
silverstripe-versionfeed
Loading history...
