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
|
<?php
/**
* JsonFormat - JSON Feed Version 1
* https://jsonfeed.org/version/1
*
* Validators:
* https://validator.jsonfeed.org
* https://github.com/vigetlabs/json-feed-validator
*/
class JsonFormat extends FormatAbstract {
const VENDOR_EXCLUDES = array(
'author',
'title',
'uri',
'timestamp',
'content',
'enclosures',
'categories',
'uid',
);
public function stringify(){
$urlPrefix = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') ? 'https://' : 'http://';
$urlHost = (isset($_SERVER['HTTP_HOST'])) ? $_SERVER['HTTP_HOST'] : '';
$urlPath = (isset($_SERVER['PATH_INFO'])) ? $_SERVER['PATH_INFO'] : '';
$urlRequest = (isset($_SERVER['REQUEST_URI'])) ? $_SERVER['REQUEST_URI'] : '';
$extraInfos = $this->getExtraInfos();
$data = array(
'version' => 'https://jsonfeed.org/version/1',
'title' => (!empty($extraInfos['name'])) ? $extraInfos['name'] : $urlHost,
'home_page_url' => (!empty($extraInfos['uri'])) ? $extraInfos['uri'] : REPOSITORY,
'feed_url' => $urlPrefix . $urlHost . $urlRequest
);
if (!empty($extraInfos['icon'])) {
$data['icon'] = $extraInfos['icon'];
$data['favicon'] = $extraInfos['icon'];
}
$items = array();
foreach ($this->getItems() as $item) {
$entry = array();
$entryAuthor = $item->getAuthor();
$entryTitle = $item->getTitle();
$entryUri = $item->getURI();
$entryTimestamp = $item->getTimestamp();
$entryContent = $this->sanitizeHtml($item->getContent());
$entryEnclosures = $item->getEnclosures();
$entryCategories = $item->getCategories();
$vendorFields = $item->toArray();
foreach (self::VENDOR_EXCLUDES as $key) {
unset($vendorFields[$key]);
}
$entry['id'] = $item->getUid();
if (empty($entry['id'])) {
$entry['id'] = $entryUri;
}
if (!empty($entryTitle)) {
$entry['title'] = $entryTitle;
}
if (!empty($entryAuthor)) {
$entry['author'] = array(
'name' => $entryAuthor
);
}
if (!empty($entryTimestamp)) {
$entry['date_modified'] = gmdate(DATE_ATOM, $entryTimestamp);
}
if (!empty($entryUri)) {
$entry['url'] = $entryUri;
}
if (!empty($entryContent)) {
if ($this->isHTML($entryContent)) {
$entry['content_html'] = $entryContent;
} else {
$entry['content_text'] = $entryContent;
}
}
if (!empty($entryEnclosures)) {
$entry['attachments'] = array();
foreach ($entryEnclosures as $enclosure) {
$entry['attachments'][] = array(
'url' => $enclosure,
'mime_type' => getMimeType($enclosure)
);
}
}
if (!empty($entryCategories)) {
$entry['tags'] = array();
foreach ($entryCategories as $category) {
$entry['tags'][] = $category;
}
}
if (!empty($vendorFields)) {
$entry['_rssbridge'] = $vendorFields;
}
if (empty($entry['id']))
$entry['id'] = hash('sha1', $entryTitle . $entryContent);
$items[] = $entry;
}
$data['items'] = $items;
$toReturn = json_encode($data, JSON_PRETTY_PRINT);
// Remove invalid non-UTF8 characters
ini_set('mbstring.substitute_character', 'none');
$toReturn = mb_convert_encoding($toReturn, $this->getCharset(), 'UTF-8');
return $toReturn;
}
public function display(){
$this
->setContentType('application/json; charset=' . $this->getCharset())
->callContentType();
return parent::display();
}
private function isHTML($text) {
return (strlen(strip_tags($text)) != strlen($text));
}
}
|
