diff options
Diffstat (limited to 'plugins/jetpack/modules/shortcodes/kickstarter.php')
| -rw-r--r-- | plugins/jetpack/modules/shortcodes/kickstarter.php | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/plugins/jetpack/modules/shortcodes/kickstarter.php b/plugins/jetpack/modules/shortcodes/kickstarter.php new file mode 100644 index 00000000..ae9f40a9 --- /dev/null +++ b/plugins/jetpack/modules/shortcodes/kickstarter.php @@ -0,0 +1,78 @@ +<?php +/** + * Kickstarter shortcode + * + * Usage: + * [kickstarter url="https://www.kickstarter.com/projects/peaktoplateau/yak-wool-baselayers-from-tibet-to-the-world" width="480" height=""] + */ + +add_shortcode( 'kickstarter', 'jetpack_kickstarter_shortcode' ); +add_filter( 'pre_kses', 'jetpack_kickstarter_embed_to_shortcode' ); + +/** + * Parse shortcode arguments and render its output. + * + * @since 4.5.0 + * + * @param array $atts Shortcode parameters. + * + * @return string + */ +function jetpack_kickstarter_shortcode( $atts ) { + if ( empty( $atts['url'] ) ) { + return ''; + } + + $url = esc_url_raw( $atts['url'] ); + if ( ! preg_match( '#^(www\.)?kickstarter\.com$#i', parse_url( $url, PHP_URL_HOST ) ) ) { + return '<!-- Invalid Kickstarter URL -->'; + } + + global $wp_embed; + return $wp_embed->shortcode( $atts, $url ); +} + +/** + * Converts Kickstarter iframe embeds to a shortcode. + * + * EG: <iframe width="480" height="360" src="http://www.kickstarter.com/projects/deweymac/dewey-mac-kid-detective-book-make-diy-and-stem-spy/widget/video.html" frameborder="0" scrolling="no"> </iframe> + * + * @since 4.5.0 + * + * @param string $content Entry content that possibly includes a Kickstarter embed. + * + * @return string + */ +function jetpack_kickstarter_embed_to_shortcode( $content ) { + if ( ! is_string( $content ) || false === stripos( $content, 'www.kickstarter.com/projects' ) ) { + return $content; + } + + $regexp = '!<iframe((?:\s+\w+=[\'"][^\'"]*[\'"])*)\s+src=[\'"](http://www\.kickstarter\.com/projects/[^/]+/[^/]+)/[^\'"]+[\'"]((?:\s+\w+=[\'"][^\'"]*[\'"])*)>[\s]*</iframe>!i'; + $regexp_ent = str_replace( '&#0*58;', '&#0*58;|�*58;', htmlspecialchars( $regexp, ENT_NOQUOTES ) ); + + foreach ( array( 'regexp', 'regexp_ent' ) as $reg ) { + if ( ! preg_match_all( $$reg, $content, $matches, PREG_SET_ORDER ) ) { + continue; + } + + foreach ( $matches as $match ) { + $url = esc_url( $match[2] ); + + $params = $match[1] . $match[3]; + + if ( 'regexp_ent' == $reg ) { + $params = html_entity_decode( $params ); + } + + $params = wp_kses_hair( $params, array( 'http' ) ); + + $width = isset( $params['width'] ) ? (int) $params['width']['value'] : 0; + + $shortcode = '[kickstarter url=' . $url . ( ( ! empty( $width ) ) ? " width=$width" : '' ) . ']'; + $content = str_replace( $match[0], $shortcode, $content ); + } + } + + return $content; +}
\ No newline at end of file |