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
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
|
<?php
/**
* Instagram Embeds.
*
* Full links: https://www.instagram.com/p/BnMOk_FFsxg/
* https://www.instagram.com/tv/BkQjCfsBIzi/
* [instagram url=https://www.instagram.com/p/BnMOk_FFsxg/]
* [instagram url=https://www.instagram.com/p/BZoonmAHvHf/ width=320]
* Embeds can be converted to a shortcode when the author does not have unfiltered_html caps:
* <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>
*
* @package Jetpack
*/
/**
* Embed Reversal for Instagram
*
* Hooked to pre_kses, converts an embed code from Instagram.com to an oEmbeddable URL.
*
* @param string $content Post content.
*
* @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?:)?//(?:www\.)?instagram\.com/p/([^"\'/]++)[^"\']*?)"[^>]*+>\s*?</iframe>#i';
// Let's play nice with the visual editor too.
$regexes[] = '#<iframe(?:[^&]|&(?!gt;))+?src="((?:https?:)?//(?:www\.)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?:)?//(?:www\.)?instagr(\.am|am\.com)/p/([^/]*)#i', $match[1], $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's custom Embed provider.
* We first remove 2 different embed providers, both registered by Core.
* - The first is the original provider,that only supports images.
* - The second is tne new provider that replaced the first one in Core when Core added support for videos. https://core.trac.wordpress.org/changeset/44486
*
* Once the core embed provider is removed (one or the other, depending on your version of Core), we declare our own.
*/
wp_oembed_remove_provider( '#https?://(www\.)?instagr(\.am|am\.com)/p/.*#i' );
wp_oembed_remove_provider( '#https?://(www\.)?instagr(\.am|am\.com)/(p|tv)/.*#i' );
wp_embed_register_handler(
'jetpack_instagram',
'#http(s?)://(www\.)?instagr(\.am|am\.com)/(p|tv)/([^\/]*)#i',
'jetpack_instagram_handler'
);
/**
* Handle Instagram embeds (build embed from regex).
*
* @param array $matches Array of matches from the regex.
* @param array $atts The original unmodified attributes.
* @param string $url The original URL that was matched by the regex.
*/
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() ) {
// Instagram offers direct links to images, but not to videos.
if ( 'p' === $matches[1] ) {
$media_url = sprintf( 'http://instagr.am/p/%1$s/media/?size=l', $matches[2] );
return sprintf(
'<a href="%1$s" title="%2$s" target="_blank"><img src="%3$s" alt="%4$s" /></a>',
esc_url( $url ),
esc_attr__( 'View on Instagram', 'jetpack' ),
esc_url( $media_url ),
esc_html__( 'Instagram Photo', 'jetpack' )
);
} elseif ( 'tv' === $matches[1] ) {
return sprintf(
'<a href="%1$s" title="%2$s" target="_blank">%3$s</a>',
esc_url( $url ),
esc_attr__( 'View on Instagram', 'jetpack' ),
esc_html__( 'Instagram Video', 'jetpack' )
);
}
}
$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 );
$url_args = array(
'url' => $instagram_http_url,
'maxwidth' => $atts['width'],
'omitscript' => 1,
);
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 + wp_rand( 0, HOUR_IN_SECONDS )
);
}
}
if ( ! empty( $response_body->html ) ) {
wp_enqueue_script(
'jetpack-instagram-embed',
Jetpack::get_file_url_for_environment( '_inc/build/shortcodes/js/instagram.min.js', 'modules/shortcodes/js/instagram.js' ),
array( 'jquery' ),
JETPACK__VERSION,
true
);
return $response_body->html;
}
return '<!-- instagram error: no embed found -->';
}
/**
* Handle an alternate Instagram URL format, where the username is also part of the URL.
* We do not actually need that username for the embed.
*/
wp_embed_register_handler(
'jetpack_instagram_alternate_format',
'#https?://(?:www\.)?instagr(?:\.am|am\.com)/(?:[^/]*)/(p|tv)/([^\/]*)#i',
'jetpack_instagram_alternate_format_handler'
);
/**
* Handle alternate Instagram embeds (build embed from regex).
*
* @param array $matches Array of matches from the regex.
* @param array $atts The original unmodified attributes.
* @param string $url The original URL that was matched by the regex.
*/
function jetpack_instagram_alternate_format_handler( $matches, $atts, $url ) {
// Replace URL saved by original Instagram URL (no username).
$matches[0] = esc_url_raw(
sprintf(
'https://www.instagram.com/%1$s/%2$s',
$matches[1],
$matches[2]
)
);
return jetpack_instagram_handler( $matches, $atts, $url );
}
/**
* Display the Instagram shortcode.
*
* @param array $atts Shortcode attributes.
*/
function jetpack_shortcode_instagram( $atts ) {
global $wp_embed;
if ( empty( $atts['url'] ) ) {
return '';
}
return $wp_embed->shortcode( $atts, $atts['url'] );
}
add_shortcode( 'instagram', 'jetpack_shortcode_instagram' );
|