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tweet.php
288 lines
| 1 | <?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName |
| 2 | /** |
| 3 | * Tweet shortcode. |
| 4 | * Params map to key value pairs, and all but tweet are optional: |
| 5 | * tweet = id or permalink url* (Required) |
| 6 | * align = none|left|right|center |
| 7 | * width = number in pixels example: width="300" |
| 8 | * lang = en|fr|de|ko|etc... language country code. |
| 9 | * hide_thread = true | false ** |
| 10 | * hide_media = true | false ** |
| 11 | * |
| 12 | * Basic: |
| 13 | * [tweet https://twitter.com/jack/statuses/20 width="350"] |
| 14 | * |
| 15 | * More parameters and another tweet syntax admitted: |
| 16 | * [tweet tweet="https://twitter.com/jack/statuses/20" align="left" width="350" align="center" lang="es"] |
| 17 | * |
| 18 | * @package automattic/jetpack |
| 19 | */ |
| 20 | |
| 21 | add_shortcode( 'tweet', array( 'Jetpack_Tweet', 'jetpack_tweet_shortcode' ) ); |
| 22 | |
| 23 | /** |
| 24 | * Tweet Shortcode class. |
| 25 | */ |
| 26 | class Jetpack_Tweet { |
| 27 | |
| 28 | /** |
| 29 | * Array of arguments about a tweet. |
| 30 | * |
| 31 | * @var array |
| 32 | */ |
| 33 | public static $provider_args; |
| 34 | |
| 35 | /** |
| 36 | * Parse shortcode arguments and render its output. |
| 37 | * |
| 38 | * @since 4.5.0 |
| 39 | * |
| 40 | * @param array $atts Shortcode parameters. |
| 41 | * |
| 42 | * @return string |
| 43 | */ |
| 44 | public static function jetpack_tweet_shortcode( $atts ) { |
| 45 | global $wp_embed; |
| 46 | |
| 47 | $default_atts = array( |
| 48 | 'tweet' => '', |
| 49 | 'align' => 'none', |
| 50 | 'width' => '', |
| 51 | 'lang' => 'en', |
| 52 | 'hide_thread' => 'false', |
| 53 | 'hide_media' => 'false', |
| 54 | ); |
| 55 | |
| 56 | $attr = shortcode_atts( $default_atts, $atts ); |
| 57 | |
| 58 | self::$provider_args = $attr; |
| 59 | |
| 60 | /* |
| 61 | * figure out the tweet id for the requested tweet |
| 62 | * supporting both omitted attributes and tweet="tweet_id" |
| 63 | * and supporting both an id and a URL |
| 64 | */ |
| 65 | if ( empty( $attr['tweet'] ) && ! empty( $atts[0] ) ) { |
| 66 | $attr['tweet'] = $atts[0]; |
| 67 | } |
| 68 | |
| 69 | if ( ctype_digit( $attr['tweet'] ) ) { |
| 70 | $id = 'https://twitter.com/jetpack/status/' . $attr['tweet']; |
| 71 | $tweet_id = (int) $attr['tweet']; |
| 72 | } else { |
| 73 | preg_match( '/^http(s|):\/\/twitter\.com(\/\#\!\/|\/)([a-zA-Z0-9_]{1,20})\/status(es)*\/(\d+)$/', $attr['tweet'], $urlbits ); |
| 74 | |
| 75 | if ( isset( $urlbits[5] ) && (int) $urlbits[5] ) { |
| 76 | $id = 'https://twitter.com/' . $urlbits[3] . '/status/' . (int) $urlbits[5]; |
| 77 | $tweet_id = (int) $urlbits[5]; |
| 78 | } else { |
| 79 | return '<!-- Invalid tweet id -->'; |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | /* |
| 84 | * Fetch tweet. |
| 85 | * |
| 86 | * On WordPress.com, we also cache tweets for better performance and less requests. |
| 87 | */ |
| 88 | if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { |
| 89 | /* |
| 90 | * See if we have the tweet stored in our tweet store |
| 91 | * if not get_tweet_store queues up a job to request |
| 92 | */ |
| 93 | $data = get_tweet_store( $tweet_id ); |
| 94 | if ( $data ) { |
| 95 | $tweet_handler = new Tweet_Handler(); |
| 96 | |
| 97 | /* |
| 98 | * Replace Unicode characters with ther entities like Blackbird Pie v 0.3.2 did |
| 99 | * to store tweets from other languages (important for non-english bloggers) |
| 100 | */ |
| 101 | $data->text = $tweet_handler->unicode_replace_entities( $data->text ); |
| 102 | $data->user->screen_name = $tweet_handler->unicode_replace_entities( $data->user->screen_name ); |
| 103 | $data->user->name = $tweet_handler->unicode_replace_entities( $data->user->name ); |
| 104 | |
| 105 | $tweet = esc_html( $data->text ); |
| 106 | $tweet = $tweet_handler->expand_tco_links( $tweet, $data ); |
| 107 | |
| 108 | $tweet = $tweet_handler->autolink( $tweet ); |
| 109 | |
| 110 | $screen_name = esc_html( $data->user->screen_name ); |
| 111 | $name = esc_html( $data->user->name ); |
| 112 | |
| 113 | $url = 'https://twitter.com/' . $screen_name . '/status/' . (int) $data->id; |
| 114 | |
| 115 | // Only show the user's real name if they set it to something different from their screename. |
| 116 | if ( $screen_name !== $name ) { |
| 117 | $real_name = '<br />' . $name; |
| 118 | } else { |
| 119 | $real_name = '<br /> '; |
| 120 | } |
| 121 | |
| 122 | $time = strtotime( $data->created_at ); |
| 123 | $human_readable = gmdate( 'F d, Y', $time ); |
| 124 | $data_datetime = gmdate( 'Y-m-d\TH:i:sP', $time ); |
| 125 | |
| 126 | /* |
| 127 | * Additional params. |
| 128 | */ |
| 129 | |
| 130 | // align (float). |
| 131 | $extra_classes = ''; |
| 132 | if ( in_array( $attr['align'], array( 'left', 'right', 'center' ), true ) ) { |
| 133 | $extra_classes = ' tw-align-' . $attr['align']; |
| 134 | } |
| 135 | |
| 136 | if ( 'true' === $attr['hide_thread'] ) { |
| 137 | $extra_classes .= ' tw-hide-thread'; |
| 138 | } |
| 139 | |
| 140 | if ( 'true' === $attr['hide_media'] ) { |
| 141 | $extra_classes .= ' tw-hide-media'; |
| 142 | } |
| 143 | |
| 144 | // lang. |
| 145 | $lang = substr( $attr['lang'], 0, 2 ); |
| 146 | if ( empty( $lang ) ) { |
| 147 | $lang = 'en'; |
| 148 | } |
| 149 | |
| 150 | // width. |
| 151 | $width_html = ''; |
| 152 | $width = (int) $attr['width']; |
| 153 | if ( $width > 100 ) { |
| 154 | $width_html = ' width="' . esc_attr( $width ) . '"'; |
| 155 | } |
| 156 | |
| 157 | // in reply to id (conversation tweets). |
| 158 | $in_reply_to_html = ''; |
| 159 | $in_reply_to = (int) $data->in_reply_to_status_id; |
| 160 | if ( ! empty( $in_reply_to ) && 'false' === $attr['hide_thread'] ) { |
| 161 | $in_reply_to_html = ' data-in-reply-to="' . esc_attr( $in_reply_to ) . '"'; |
| 162 | } |
| 163 | |
| 164 | // Generate the HTML output. |
| 165 | $output = sprintf( |
| 166 | '<blockquote class="twitter-tweet%1$s"%2$s%3$s lang="%4$s"><p>%5$s</p>— %6$s (@%7$s) <a href="%8$s" data-datetime="%9$s">%10$s</a></blockquote>', |
| 167 | esc_attr( $extra_classes ), |
| 168 | $width_html, |
| 169 | $in_reply_to_html, |
| 170 | esc_attr( $lang ), |
| 171 | $tweet, |
| 172 | wp_kses( $real_name, array( 'br' => array() ) ), |
| 173 | esc_html( $screen_name ), |
| 174 | esc_url( $url ), |
| 175 | esc_attr( $data_datetime ), |
| 176 | esc_html( $human_readable ) |
| 177 | ); |
| 178 | } else { |
| 179 | /** |
| 180 | * Filter the default display when a tweet is not available in the store. |
| 181 | * Not available in Jetpack. |
| 182 | * |
| 183 | * @module shortcodes |
| 184 | * |
| 185 | * @since 5.1.0 |
| 186 | * |
| 187 | * @param string $message Default display when a tweet is not available. |
| 188 | * @param string $id Twitter URL. |
| 189 | * @param array $attr Shortcode attributes. |
| 190 | */ |
| 191 | return apply_filters( 'tweet_shortcode_pending_tweet', '', $id, $attr ); |
| 192 | } |
| 193 | } else { |
| 194 | // Add shortcode arguments to provider URL. |
| 195 | add_filter( 'oembed_fetch_url', array( 'Jetpack_Tweet', 'jetpack_tweet_url_extra_args' ), 10, 3 ); |
| 196 | |
| 197 | /* |
| 198 | * In Jetpack, we use $wp_embed->shortcode() to return the tweet output. |
| 199 | * @see https://github.com/Automattic/jetpack/pull/11173 |
| 200 | */ |
| 201 | $output = $wp_embed->shortcode( $atts, $id ); |
| 202 | |
| 203 | // Clean up filter. |
| 204 | remove_filter( 'oembed_fetch_url', array( 'Jetpack_Tweet', 'jetpack_tweet_url_extra_args' ), 10 ); |
| 205 | } |
| 206 | |
| 207 | /** This action is documented in modules/widgets/social-media-icons.php */ |
| 208 | do_action( 'jetpack_bump_stats_extras', 'embeds', 'tweet' ); |
| 209 | |
| 210 | if ( class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request() ) { |
| 211 | $width = ! empty( $attr['width'] ) ? $attr['width'] : 600; |
| 212 | $height = 480; |
| 213 | $output = sprintf( |
| 214 | '<amp-twitter data-tweetid="%1$s" layout="responsive" width="%2$d" height="%3$d"></amp-twitter>', |
| 215 | esc_attr( $tweet_id ), |
| 216 | absint( $width ), |
| 217 | absint( $height ) |
| 218 | ); |
| 219 | } else { |
| 220 | // Add Twitter widgets.js script to the footer. |
| 221 | add_action( 'wp_footer', array( 'Jetpack_Tweet', 'jetpack_tweet_shortcode_script' ) ); |
| 222 | } |
| 223 | |
| 224 | return $output; |
| 225 | } |
| 226 | |
| 227 | /** |
| 228 | * Adds parameters to URL used to fetch the tweet. |
| 229 | * |
| 230 | * @since 4.5.0 |
| 231 | * |
| 232 | * @param string $provider URL of provider that supplies the tweet we're requesting. |
| 233 | * @param string $url URL of tweet to embed. |
| 234 | * @param array $args Parameters supplied to shortcode and passed to wp_oembed_get. |
| 235 | * |
| 236 | * @return string |
| 237 | */ |
| 238 | public static function jetpack_tweet_url_extra_args( $provider, $url, $args = array() ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 239 | foreach ( self::$provider_args as $key => $value ) { |
| 240 | switch ( $key ) { |
| 241 | case 'align': |
| 242 | case 'lang': |
| 243 | case 'hide_thread': |
| 244 | case 'hide_media': |
| 245 | $provider = add_query_arg( $key, $value, $provider ); |
| 246 | break; |
| 247 | } |
| 248 | } |
| 249 | |
| 250 | // Disable script since we're enqueing it in our own way in the footer. |
| 251 | $provider = add_query_arg( 'omit_script', 'true', $provider ); |
| 252 | |
| 253 | // Twitter doesn't support maxheight so don't send it. |
| 254 | $provider = remove_query_arg( 'maxheight', $provider ); |
| 255 | |
| 256 | /** |
| 257 | * Filter the Twitter Partner ID. |
| 258 | * |
| 259 | * @module shortcodes |
| 260 | * |
| 261 | * @since 4.6.0 |
| 262 | * |
| 263 | * @param string $partner_id Twitter partner ID. |
| 264 | */ |
| 265 | $partner = apply_filters( 'jetpack_twitter_partner_id', 'jetpack' ); |
| 266 | |
| 267 | // Add Twitter partner ID to track embeds from Jetpack. |
| 268 | if ( ! empty( $partner ) ) { |
| 269 | $provider = add_query_arg( 'partner', $partner, $provider ); |
| 270 | } |
| 271 | |
| 272 | return $provider; |
| 273 | } |
| 274 | |
| 275 | /** |
| 276 | * Enqueue front end assets. |
| 277 | * |
| 278 | * @since 4.5.0 |
| 279 | */ |
| 280 | public static function jetpack_tweet_shortcode_script() { |
| 281 | if ( ! wp_script_is( 'twitter-widgets', 'registered' ) ) { |
| 282 | wp_register_script( 'twitter-widgets', 'https://platform.twitter.com/widgets.js', array(), JETPACK__VERSION, true ); |
| 283 | wp_print_scripts( 'twitter-widgets' ); |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | } // class end |
| 288 |