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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
<?php
/**
* Embed Reversal for Instagram
*
* Hooked to pre_kses, converts an embed code from Instagram.com to an oEmbeddable URL.
* @return string The filtered or the original content.
**/
function jetpack_instagram_embed_reversal( $content ) {
if ( ! is_string( $content ) || false === stripos( $content, 'instagram.com' ) ) {
return $content;
}
/* Sample embed code:
<blockquote class="instagram-media" data-instgrm-captioned data-instgrm-version="2" style=" background:#FFF; border:0; border-radius:3px; box-shadow:0 0 1px 0 rgba(0,0,0,0.5),0 1px 10px 0 rgba(0,0,0,0.15); margin: 1px; max-width:658px; padding:0; width:99.375%; width:-webkit-calc(100% - 2px); width:calc(100% - 2px);"><div style="padding:8px;"><div style=" background:#F8F8F8; line-height:0; margin-top:40px; padding-bottom:55%; padding-top:45%; text-align:center; width:100%;"><div style="position:relative;"><div style=" -webkit-animation:dkaXkpbBxI 1s ease-out infinite; animation:dkaXkpbBxI 1s ease-out infinite; background:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACwAAAAsCAMAAAApWqozAAAAGFBMVEUiIiI9PT0eHh4gIB4hIBkcHBwcHBwcHBydr+JQAAAACHRSTlMABA4YHyQsM5jtaMwAAADfSURBVDjL7ZVBEgMhCAQBAf//42xcNbpAqakcM0ftUmFAAIBE81IqBJdS3lS6zs3bIpB9WED3YYXFPmHRfT8sgyrCP1x8uEUxLMzNWElFOYCV6mHWWwMzdPEKHlhLw7NWJqkHc4uIZphavDzA2JPzUDsBZziNae2S6owH8xPmX8G7zzgKEOPUoYHvGz1TBCxMkd3kwNVbU0gKHkx+iZILf77IofhrY1nYFnB/lQPb79drWOyJVa/DAvg9B/rLB4cC+Nqgdz/TvBbBnr6GBReqn/nRmDgaQEej7WhonozjF+Y2I/fZou/qAAAAAElFTkSuQmCC); display:block; height:44px; margin:0 auto -44px; position:relative; top:-44px; width:44px;"></div><span style=" color:#c9c8cd; font-family:Arial,sans-serif; font-size:12px; font-style:normal; font-weight:bold; position:relative; top:15px;">Loading</span></div></div><p style=" font-family:Arial,sans-serif; font-size:14px; line-height:17px; margin:8px 0 0 0; padding:0 4px; word-wrap:break-word;"> Balloons</p><p style=" line-height:32px; margin-bottom:0; margin-top:8px; padding:0; text-align:center;"> <a href="https://instagram.com/p/r9vfPrmjeB/" style=" color:#c9c8cd; font-family:Arial,sans-serif; font-size:14px; font-style:normal; font-weight:normal; text-decoration:none;" target="_top"> View on Instagram</a></p></div><style>@-webkit-keyframes"dkaXkpbBxI"{ 0%{opacity:0.5;} 50%{opacity:1;} 100%{opacity:0.5;} } @keyframes"dkaXkpbBxI"{ 0%{opacity:0.5;} 50%{opacity:1;} 100%{opacity:0.5;} }</style></blockquote>
<script async defer src="https://platform.instagram.com/en_US/embeds.js"></script>
*/
$regexes = array();
// new style js
$regexes[] = '#<blockquote[^>]+?class="instagram-media"[^>](.+?)>(.+?)</blockquote><script[^>]+?src="(https?:)?//platform\.instagram\.com/(.+?)/embeds\.js"></script>#ix';
// Let's play nice with the visual editor too.
$regexes[] = '#<blockquote(?:[^&]|&(?!gt;))+?class="instagram-media"(?:[^&]|&(?!gt;))(.+?)>(.+?)</blockquote><script(?:[^&]|&(?!gt;))+?src="(https?:)?//platform\.instagram\.com/(.+?)/embeds\.js"(?:[^&]|&(?!gt;))*+></script>#ix';
// old style iframe
$regexes[] = '#<iframe[^>]+?src="(?:https?:)?//instagram\.com/p/([^"\'/]++)[^"\']*?"[^>]*+>\s*?</iframe>#i';
// Let's play nice with the visual editor too.
$regexes[] = '#<iframe(?:[^&]|&(?!gt;))+?src="(?:https?:)?//instagram\.com/p/([^"\'/]++)[^"\']*?"(?:[^&]|&(?!gt;))*+>\s*?</iframe>#i';
foreach ( $regexes as $regex ) {
if ( ! preg_match_all( $regex, $content, $matches, PREG_SET_ORDER ) ) {
continue;
}
foreach ( $matches as $match ) {
if ( ! preg_match( '#(https?:)?//instagr(\.am|am\.com)/p/([^/]*)#i', $match[2], $url_matches ) ) {
continue;
}
// Since we support Instagram via oEmbed, we simply leave a link on a line by itself.
$replace_regex = sprintf( '#\s*%s\s*#', preg_quote( $match[0], '#' ) );
$url = esc_url( $url_matches[0] );
$content = preg_replace( $replace_regex, sprintf( "\n\n%s\n\n", $url ), $content );
/** This action is documented in modules/shortcodes/youtube.php */
do_action( 'jetpack_embed_to_shortcode', 'instagram', $url );
}
}
return $content;
}
add_filter( 'pre_kses', 'jetpack_instagram_embed_reversal' );
/**
* Instagram
*/
wp_oembed_remove_provider( '#https?://(www\.)?instagr(\.am|am\.com)/p/.*#i' ); // remove core's oEmbed support so we can override
wp_embed_register_handler( 'jetpack_instagram', '#http(s?)://(www\.)?instagr(\.am|am\.com)/p/([^/]*)#i', 'jetpack_instagram_handler' );
function jetpack_instagram_handler( $matches, $atts, $url ) {
global $content_width;
// keep a copy of the passed-in URL since it's modified below
$passed_url = $url;
$max_width = 698;
$min_width = 320;
if ( is_feed() ) {
$media_url = sprintf( 'http://instagr.am/p/%s/media/?size=l', $matches[4] );
return sprintf( '<a href="%s" title="%s" target="_blank"><img src="%s" alt="Instagram Photo" /></a>', esc_url( $url ), esc_attr__( 'View on Instagram', 'jetpack' ), esc_url( $media_url ) );
}
$atts = shortcode_atts( array(
'width' => isset( $content_width ) ? $content_width : $max_width,
'hidecaption' => false,
), $atts );
$atts['width'] = absint( $atts['width'] );
if ( $atts['width'] > $max_width ) {
$atts['width'] = $max_width;
} elseif ( $atts['width'] < $min_width ) {
$atts['width'] = $min_width;
}
// remove the modal param from the URL
$url = remove_query_arg( 'modal', $url );
// force .com instead of .am for https support
$url = str_replace( 'instagr.am', 'instagram.com', $url );
// The oembed endpoint expects HTTP, but HTTP requests 301 to HTTPS
$instagram_http_url = str_replace( 'https://', 'http://', $url );
$instagram_https_url = str_replace( 'http://', 'https://', $url );
$url_args = array(
'url' => $instagram_http_url,
'maxwidth' => $atts['width'],
);
if ( $atts['hidecaption'] ) {
$url_args['hidecaption'] = 'true';
}
$url = esc_url_raw( add_query_arg( $url_args, 'https://api.instagram.com/oembed/' ) );
/**
* Filter Object Caching for response from Instagram.
*
* Allow enabling of object caching for the response sent by Instagram when querying for Instagram image HTML.
*
* @module shortcodes
*
* @since 3.3.0
*
* @param bool false Object caching is off by default.
* @param array $matches Array of Instagram URLs found in the post.
* @param array $atts Instagram Shortcode attributes.
* @param string $passed_url Instagram API URL.
*/
$response_body_use_cache = apply_filters( 'instagram_cache_oembed_api_response_body', false, $matches, $atts, $passed_url );
$response_body = false;
if ( $response_body_use_cache ) {
$cache_key = 'oembed_response_body_' . md5( $url );
$response_body = wp_cache_get( $cache_key, 'instagram_embeds' );
}
if ( ! $response_body ) {
// Not using cache (default case) or cache miss
$instagram_response = wp_remote_get( $url, array( 'redirection' => 0 ) );
if ( is_wp_error( $instagram_response ) || 200 != $instagram_response['response']['code'] || empty( $instagram_response['body'] ) ) {
return '<!-- instagram error: invalid instagram resource -->';
}
$response_body = json_decode( $instagram_response['body'] );
if ( $response_body_use_cache ) {
// if caching it is short-lived since this is a "Cache-Control: no-cache" resource
wp_cache_set( $cache_key, $response_body, 'instagram_embeds', HOUR_IN_SECONDS + mt_rand( 0, HOUR_IN_SECONDS ) );
}
}
if ( ! empty( $response_body->html ) ) {
wp_enqueue_script( 'jetpack-instagram-embed', plugins_url( 'js/instagram.js', __FILE__ ), array( 'jquery' ), false, true );
// there's a script in the response, which we strip on purpose since it's added by this ^ script
$ig_embed = preg_replace( '@<(script)[^>]*?>.*?</\\1>@si', '', $response_body->html );
return $ig_embed;
}
return '<!-- instagram error: no embed found -->';
}
// filters instagram's username format to the expected format that matches the embed handler
wp_embed_register_handler( 'jetpack_instagram_alternate_format', '#http(s?)://instagr(\.am|am\.com)/([^/]*)/p/([^/]*)#i', 'jetpack_instagram_alternate_format_handler' );
function jetpack_instagram_alternate_format_handler( $matches, $atts, $url ) {
$url = esc_url_raw( 'https://instagram.com/p/' . $matches[4] );
$matches[0] = $url;
$matches[3] = $matches[4];
unset( $matches[4] );
return jetpack_instagram_handler( $matches, $atts, $url );
}
// [instagram url="http://instagram.com/p/PSbF9sEIGP/"]
// [instagram url="http://instagram.com/p/PSbF9sEIGP/" width="300"]
add_shortcode( 'instagram', 'jetpack_shortcode_instagram' );
function jetpack_shortcode_instagram( $atts ) {
global $wp_embed;
if ( empty( $atts['url'] ) ) {
return '';
}
return $wp_embed->shortcode( $atts, $atts['url'] );
}
|
GitWeb