| 1 |
<?php |
| 2 |
/** |
| 3 |
* Instagram Embeds. |
| 4 |
* |
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* Full links: https://www.instagram.com/p/BnMOk_FFsxg/ |
| 6 |
* https://www.instagram.com/tv/BkQjCfsBIzi/ |
| 7 |
* [instagram url=https://www.instagram.com/p/BnMOk_FFsxg/] |
| 8 |
* [instagram url=https://www.instagram.com/p/BZoonmAHvHf/ width=320] |
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* Embeds can be converted to a shortcode when the author does not have unfiltered_html caps: |
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* <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> |
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* <script async defer src="https://platform.instagram.com/en_US/embeds.js"></script> |
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* |
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* @package Jetpack |
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*/ |
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|
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use Automattic\Jetpack\Assets; |
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|
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/** |
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* Embed Reversal for Instagram |
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* |
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* Hooked to pre_kses, converts an embed code from Instagram.com to an oEmbeddable URL. |
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* |
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* @param string $content Post content. |
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* |
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* @return string The filtered or the original content. |
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**/ |
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function jetpack_instagram_embed_reversal( $content ) { |
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if ( ! is_string( $content ) || false === stripos( $content, 'instagram.com' ) ) { |
| 29 |
return $content; |
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} |
| 31 |
|
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/* |
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* Sample embed code: |
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* <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> |
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* <script async defer src="https://platform.instagram.com/en_US/embeds.js"></script> |
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*/ |
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|
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$regexes = array(); |
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|
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// new style js. |
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$regexes[] = '#<blockquote[^>]+?class="instagram-media"[^>].+?>(.+?)</blockquote><script[^>]+?src="(https?:)?//platform\.instagram\.com/(.+?)/embeds\.js"></script>#ix'; |
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|
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// Let's play nice with the visual editor too. |
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$regexes[] = '#<blockquote(?:[^&]|&(?!gt;))+?class="instagram-media"(?:[^&]|&(?!gt;)).+?>(.+?)</blockquote><script(?:[^&]|&(?!gt;))+?src="(https?:)?//platform\.instagram\.com/(.+?)/embeds\.js"(?:[^&]|&(?!gt;))*+></script>#ix'; |
| 45 |
|
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// old style iframe. |
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$regexes[] = '#<iframe[^>]+?src="((?:https?:)?//(?:www\.)?instagram\.com/p/([^"\'/]++)[^"\']*?)"[^>]*+>\s*?</iframe>#i'; |
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|
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// Let's play nice with the visual editor too. |
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$regexes[] = '#<iframe(?:[^&]|&(?!gt;))+?src="((?:https?:)?//(?:www\.)instagram\.com/p/([^"\'/]++)[^"\']*?)"(?:[^&]|&(?!gt;))*+>\s*?</iframe>#i'; |
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|
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foreach ( $regexes as $regex ) { |
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if ( ! preg_match_all( $regex, $content, $matches, PREG_SET_ORDER ) ) { |
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continue; |
| 55 |
} |
| 56 |
|
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foreach ( $matches as $match ) { |
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if ( ! preg_match( '#(https?:)?//(?:www\.)?instagr(\.am|am\.com)/p/([^/]*)#i', $match[1], $url_matches ) ) { |
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continue; |
| 60 |
} |
| 61 |
|
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// Since we support Instagram via oEmbed, we simply leave a link on a line by itself. |
| 63 |
$replace_regex = sprintf( '#\s*%s\s*#', preg_quote( $match[0], '#' ) ); |
| 64 |
$url = esc_url( $url_matches[0] ); |
| 65 |
|
| 66 |
$content = preg_replace( $replace_regex, sprintf( "\n\n%s\n\n", $url ), $content ); |
| 67 |
/** This action is documented in modules/shortcodes/youtube.php */ |
| 68 |
do_action( 'jetpack_embed_to_shortcode', 'instagram', $url ); |
| 69 |
} |
| 70 |
} |
| 71 |
|
| 72 |
return $content; |
| 73 |
} |
| 74 |
|
| 75 |
add_filter( 'pre_kses', 'jetpack_instagram_embed_reversal' ); |
| 76 |
|
| 77 |
/** |
| 78 |
* Instagram's custom Embed provider. |
| 79 |
* We first remove 2 different embed providers, both registered by Core. |
| 80 |
* - The first is the original provider,that only supports images. |
| 81 |
* - 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 |
| 82 |
* |
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* Once the core embed provider is removed (one or the other, depending on your version of Core), we declare our own. |
| 84 |
*/ |
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wp_oembed_remove_provider( '#https?://(www\.)?instagr(\.am|am\.com)/p/.*#i' ); |
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wp_oembed_remove_provider( '#https?://(www\.)?instagr(\.am|am\.com)/(p|tv)/.*#i' ); |
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wp_embed_register_handler( |
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'jetpack_instagram', |
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'#http(s?)://(www\.)?instagr(\.am|am\.com)/(p|tv)/([^\/]*)#i', |
| 90 |
'jetpack_instagram_handler' |
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); |
| 92 |
|
| 93 |
/** |
| 94 |
* Handle Instagram embeds (build embed from regex). |
| 95 |
* |
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* @param array $matches Array of matches from the regex. |
| 97 |
* @param array $atts The original unmodified attributes. |
| 98 |
* @param string $url The original URL that was matched by the regex. |
| 99 |
*/ |
| 100 |
function jetpack_instagram_handler( $matches, $atts, $url ) { |
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global $content_width; |
| 102 |
|
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// keep a copy of the passed-in URL since it's modified below. |
| 104 |
$passed_url = $url; |
| 105 |
|
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$max_width = 698; |
| 107 |
$min_width = 320; |
| 108 |
|
| 109 |
if ( is_feed() ) { |
| 110 |
// Instagram offers direct links to images, but not to videos. |
| 111 |
if ( 'p' === $matches[1] ) { |
| 112 |
$media_url = sprintf( 'https://instagr.am/p/%1$s/media/?size=l', $matches[2] ); |
| 113 |
return sprintf( |
| 114 |
'<a href="%1$s" title="%2$s" target="_blank"><img src="%3$s" alt="%4$s" /></a>', |
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esc_url( $url ), |
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esc_attr__( 'View on Instagram', 'jetpack' ), |
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esc_url( $media_url ), |
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esc_html__( 'Instagram Photo', 'jetpack' ) |
| 119 |
); |
| 120 |
} elseif ( 'tv' === $matches[1] ) { |
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return sprintf( |
| 122 |
'<a href="%1$s" title="%2$s" target="_blank">%3$s</a>', |
| 123 |
esc_url( $url ), |
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esc_attr__( 'View on Instagram', 'jetpack' ), |
| 125 |
esc_html__( 'Instagram Video', 'jetpack' ) |
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); |
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} |
| 128 |
} |
| 129 |
|
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$atts = shortcode_atts( |
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array( |
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'width' => isset( $content_width ) ? $content_width : $max_width, |
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'hidecaption' => false, |
| 134 |
), |
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$atts |
| 136 |
); |
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|
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$atts['width'] = absint( $atts['width'] ); |
| 139 |
if ( $atts['width'] > $max_width ) { |
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$atts['width'] = $max_width; |
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} elseif ( $atts['width'] < $min_width ) { |
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$atts['width'] = $min_width; |
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} |
| 144 |
|
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// remove the modal param from the URL. |
| 146 |
$url = remove_query_arg( 'modal', $url ); |
| 147 |
|
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// force .com instead of .am for https support. |
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$url = str_replace( 'instagr.am', 'instagram.com', $url ); |
| 150 |
|
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// The oembed endpoint expects HTTP, but HTTP requests 301 to HTTPS. |
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$instagram_http_url = str_replace( 'https://', 'http://', $url ); |
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|
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$url_args = array( |
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'url' => $instagram_http_url, |
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'maxwidth' => $atts['width'], |
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'omitscript' => 1, |
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); |
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|
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if ( $atts['hidecaption'] ) { |
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$url_args['hidecaption'] = 'true'; |
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} |
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|
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$url = esc_url_raw( add_query_arg( $url_args, 'https://api.instagram.com/oembed/' ) ); |
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|
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/** |
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* Filter Object Caching for response from Instagram. |
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* |
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* Allow enabling of object caching for the response sent by Instagram when querying for Instagram image HTML. |
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* |
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* @module shortcodes |
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* |
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* @since 3.3.0 |
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* |
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* @param bool false Object caching is off by default. |
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* @param array $matches Array of Instagram URLs found in the post. |
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* @param array $atts Instagram Shortcode attributes. |
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* @param string $passed_url Instagram API URL. |
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*/ |
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$response_body_use_cache = apply_filters( 'instagram_cache_oembed_api_response_body', false, $matches, $atts, $passed_url ); |
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$response_body = false; |
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if ( $response_body_use_cache ) { |
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$cache_key = 'oembed_response_body_' . md5( $url ); |
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$response_body = wp_cache_get( $cache_key, 'instagram_embeds' ); |
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} |
| 186 |
|
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if ( ! $response_body ) { |
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// Not using cache (default case) or cache miss. |
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$instagram_response = wp_remote_get( $url, array( 'redirection' => 0 ) ); |
| 190 |
if ( |
| 191 |
is_wp_error( $instagram_response ) |
| 192 |
|| 200 !== $instagram_response['response']['code'] |
| 193 |
|| empty( $instagram_response['body'] ) ) { |
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return '<!-- instagram error: invalid instagram resource -->'; |
| 195 |
} |
| 196 |
|
| 197 |
$response_body = json_decode( $instagram_response['body'] ); |
| 198 |
if ( $response_body_use_cache ) { |
| 199 |
// if caching it is short-lived since this is a "Cache-Control: no-cache" resource. |
| 200 |
wp_cache_set( |
| 201 |
$cache_key, |
| 202 |
$response_body, |
| 203 |
'instagram_embeds', |
| 204 |
HOUR_IN_SECONDS + wp_rand( 0, HOUR_IN_SECONDS ) |
| 205 |
); |
| 206 |
} |
| 207 |
} |
| 208 |
|
| 209 |
if ( ! empty( $response_body->html ) ) { |
| 210 |
wp_enqueue_script( |
| 211 |
'jetpack-instagram-embed', |
| 212 |
Assets::get_file_url_for_environment( '_inc/build/shortcodes/js/instagram.min.js', 'modules/shortcodes/js/instagram.js' ), |
| 213 |
array( 'jquery' ), |
| 214 |
JETPACK__VERSION, |
| 215 |
true |
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); |
| 217 |
return $response_body->html; |
| 218 |
} |
| 219 |
|
| 220 |
return '<!-- instagram error: no embed found -->'; |
| 221 |
} |
| 222 |
|
| 223 |
/** |
| 224 |
* Handle an alternate Instagram URL format, where the username is also part of the URL. |
| 225 |
* We do not actually need that username for the embed. |
| 226 |
*/ |
| 227 |
wp_embed_register_handler( |
| 228 |
'jetpack_instagram_alternate_format', |
| 229 |
'#https?://(?:www\.)?instagr(?:\.am|am\.com)/(?:[^/]*)/(p|tv)/([^\/]*)#i', |
| 230 |
'jetpack_instagram_alternate_format_handler' |
| 231 |
); |
| 232 |
|
| 233 |
/** |
| 234 |
* Handle alternate Instagram embeds (build embed from regex). |
| 235 |
* |
| 236 |
* @param array $matches Array of matches from the regex. |
| 237 |
* @param array $atts The original unmodified attributes. |
| 238 |
* @param string $url The original URL that was matched by the regex. |
| 239 |
*/ |
| 240 |
function jetpack_instagram_alternate_format_handler( $matches, $atts, $url ) { |
| 241 |
// Replace URL saved by original Instagram URL (no username). |
| 242 |
$matches[0] = esc_url_raw( |
| 243 |
sprintf( |
| 244 |
'https://www.instagram.com/%1$s/%2$s', |
| 245 |
$matches[1], |
| 246 |
$matches[2] |
| 247 |
) |
| 248 |
); |
| 249 |
|
| 250 |
return jetpack_instagram_handler( $matches, $atts, $url ); |
| 251 |
} |
| 252 |
|
| 253 |
/** |
| 254 |
* Display the Instagram shortcode. |
| 255 |
* |
| 256 |
* @param array $atts Shortcode attributes. |
| 257 |
*/ |
| 258 |
function jetpack_shortcode_instagram( $atts ) { |
| 259 |
global $wp_embed; |
| 260 |
|
| 261 |
if ( empty( $atts['url'] ) ) { |
| 262 |
return ''; |
| 263 |
} |
| 264 |
|
| 265 |
if ( class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request() ) { |
| 266 |
$url_pattern = '#http(s?)://(www\.)?instagr(\.am|am\.com)/p/([^/?]+)#i'; |
| 267 |
preg_match( $url_pattern, $atts['url'], $matches ); |
| 268 |
if ( ! $matches ) { |
| 269 |
return sprintf( |
| 270 |
'<a href="%1$s" class="amp-wp-embed-fallback">%1$s</a>', |
| 271 |
esc_url( $atts['url'] ) |
| 272 |
); |
| 273 |
} |
| 274 |
|
| 275 |
$shortcode_id = end( $matches ); |
| 276 |
$width = ! empty( $atts['width'] ) ? $atts['width'] : 600; |
| 277 |
$height = ! empty( $atts['height'] ) ? $atts['height'] : 600; |
| 278 |
return sprintf( |
| 279 |
'<amp-instagram data-shortcode="%1$s" layout="responsive" width="%2$d" height="%3$d" data-captioned></amp-instagram>', |
| 280 |
esc_attr( $shortcode_id ), |
| 281 |
absint( $width ), |
| 282 |
absint( $height ) |
| 283 |
); |
| 284 |
} |
| 285 |
|
| 286 |
return $wp_embed->shortcode( $atts, $atts['url'] ); |
| 287 |
} |
| 288 |
add_shortcode( 'instagram', 'jetpack_shortcode_instagram' ); |
| 289 |
|
