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256 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Google Docs and Google Calendar Shortcode |
| 4 | * |
| 5 | * Presentation: |
| 6 | * <iframe src="https://docs.google.com/present/embed?id=dhfhrphh_123drp8s65c&interval=15&autoStart=true&loop=true&size=l" frameborder="0" width="700" height="559"></iframe> |
| 7 | * <iframe src="https://docs.google.com/presentation/embed?id=13ItX4jV0SOSdr-ZjHarcpTh9Lr4omfsHAp87jpxv8-0&start=false&loop=false&delayms=3000" frameborder="0" width="960" height="749" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true"></iframe> |
| 8 | * |
| 9 | * Document: |
| 10 | * <iframe src="https://docs.google.com/document/pub?id=1kDatklacdZ_tZUOpWtt_ONzY97Ldj2zFcuO9LBY2Ln4&embedded=true"></iframe> |
| 11 | * <iframe src="https://docs.google.com/document/d/1kDatklacdZ_tZUOpWtt_ONzY97Ldj2zFcuO9LBY2Ln4/pub?embedded=true"></iframe> |
| 12 | * <iframe src="https://docs.google.com/document/d/e/2PACX-1vRkpIdasKL-eKXDjJgpEONduUspZTz0YmKaajfie0eJYnzikuyusuG1_V8X8T9XflN9l8A1oCM2sgEA/pub?embedded=true"></iframe> |
| 13 | * |
| 14 | * External document: |
| 15 | * <iframe width=100% height=560px frameborder=0 src=https://docs.google.com/a/pranab.in/viewer?a=v&pid=explorer&chrome=false&embedded=true&srcid=1VTMwdgGiDMt8MCr75-YkQP-4u9WmEp1Qvf6C26KYBgFilxU2qndpd-VHhBIn&hl=en></iframe> |
| 16 | * |
| 17 | * Spreadsheet Form: |
| 18 | * <iframe src="https://spreadsheets.google.com/embeddedform?formkey=dEVOYnMzZG5jMUpGbjFMYjFYNVB3NkE6MQ" width="760" height="710" frameborder="0" marginheight="0" marginwidth="0">Loading...</iframe> |
| 19 | * |
| 20 | * Spreadsheet Widget: |
| 21 | * <iframe width='500' height='300' frameborder='0' src='https://spreadsheets1.google.com/a/petedavies.com/pub?hl=en&hl=en&key=0AjSij7nlnXvKdHNsNjRSWG12YmVfOEFwdlMxQ3J1S1E&single=true&gid=0&output=html&widget=true'></iframe> |
| 22 | * <iframe width='500' height='300' frameborder='0' src='https://spreadsheets.google.com/spreadsheet/pub?hl=en&hl=en&key=0AhInIwfvYrIUdGJiTXhtUEhBSFVPUzdRZU5OMDlqdnc&output=html&widget=true'></iframe> |
| 23 | * |
| 24 | * Calendar: |
| 25 | * <iframe src="https://www.google.com/calendar/embed?src=serjant%40gmail.com&ctz=Europe/Sofia" style="border: 0" width="800" height="600" frameborder="0" scrolling="no"></iframe> |
| 26 | * <iframe src="http://www.google.com/calendar/hosted/belcastro.com/embed?src=n8nr8sd6v9hnus3nmlk7ed1238%40group.calendar.google.com&ctz=Europe/Zurich" style="border: 0" width="800" height="600" frameborder="0" scrolling="no"></iframe> |
| 27 | * |
| 28 | * Customized calendar: |
| 29 | * <iframe src="https://www.google.com/calendar/embed?title=asdf&showTitle=0&showNav=0&showDate=0&showPrint=0&showTabs=0&showCalendars=0& |
| 30 | * showTz=0&mode=AGENDA&height=300&wkst=2&hl=fi&bgcolor=%23ffcccc&src=m52gdmbgelo3itf00u1v44g0ns%40group.calendar.google.com&color=%234E5D6C& |
| 31 | * src=serjant%40gmail.com&color=%235229A3&ctz=Europe%2FRiga" style=" border:solid 1px #777 " width="500" height="300" frameborder="0" scrolling="no"></iframe> |
| 32 | * |
| 33 | * Generic |
| 34 | * <iframe src="https://docs.google.com/file/d/0B0SIdZW7iu-zX1RWREJpMXVHZVU/preview" width="640" height="480"></iframe> |
| 35 | * |
| 36 | * @package automattic/jetpack |
| 37 | */ |
| 38 | |
| 39 | add_filter( 'pre_kses', 'googleapps_embed_to_shortcode' ); |
| 40 | add_shortcode( 'googleapps', 'googleapps_shortcode' ); |
| 41 | |
| 42 | /** |
| 43 | * Reverse iframe embed to shortcode mapping HTML attributes to shortcode attributes. |
| 44 | * |
| 45 | * @since 4.5.0 |
| 46 | * |
| 47 | * @param string $content Post content. |
| 48 | * |
| 49 | * @return mixed |
| 50 | */ |
| 51 | function googleapps_embed_to_shortcode( $content ) { |
| 52 | if ( |
| 53 | ! is_string( $content ) |
| 54 | || false === stripos( $content, '<iframe' ) |
| 55 | && false === stripos( $content, '.google.com' ) |
| 56 | ) { |
| 57 | return $content; |
| 58 | } |
| 59 | |
| 60 | $regexp = '#<iframe((?:\s+\w+="[^"]*")*?)\s*src="https?://(docs|drive|spreadsheets\d*|calendar|www)*\.google\.com/(?!maps)([-\w\./]+)(?:\?)?([^"]+)?"\s*((?:\s+\w+="[^"]*")*?)>.*?</iframe>#i'; |
| 61 | $regexp_ent = str_replace( '&#0*58;', '&#0*58;|�*58;', htmlspecialchars( $regexp, ENT_NOQUOTES ) ); |
| 62 | $regexp_squot = str_replace( '"', "'", $regexp ); |
| 63 | $regexp_ent_squot = str_replace( '"', "'", $regexp_ent ); |
| 64 | $regexp_noquot = '!<iframe(.*?)src=https://(docs|drive)\.google\.com/[-\.\w/]*?(viewer)\?(.*?)>(.*?)</iframe>!'; |
| 65 | $regexp_ent_noquot = str_replace( '&#0*58;', '&#0*58;|�*58;', htmlspecialchars( $regexp_noquot, ENT_NOQUOTES ) ); |
| 66 | |
| 67 | foreach ( compact( 'regexp', 'regexp_ent', 'regexp_squot', 'regexp_ent_squot', 'regexp_noquot', 'regexp_ent_noquot' ) as $reg => $regexp ) { |
| 68 | if ( ! preg_match_all( $regexp, $content, $matches, PREG_SET_ORDER ) ) { |
| 69 | continue; |
| 70 | } |
| 71 | |
| 72 | foreach ( $matches as $match ) { |
| 73 | $params = $match[1] . $match[5]; |
| 74 | if ( in_array( $reg, array( 'regexp_ent', 'regexp_ent_squot' ), true ) ) { |
| 75 | $params = html_entity_decode( $params ); |
| 76 | } |
| 77 | |
| 78 | $params = wp_kses_hair( $params, array( 'http' ) ); |
| 79 | |
| 80 | $width = 0; |
| 81 | $height = 0; |
| 82 | |
| 83 | if ( isset( $params['width'] ) ) { |
| 84 | $width = (int) $params['width']['value']; |
| 85 | } |
| 86 | |
| 87 | if ( isset( $params['height'] ) ) { |
| 88 | $height = (int) $params['height']['value']; |
| 89 | } |
| 90 | |
| 91 | // allow the user to specify width greater than 200 inside text widgets. |
| 92 | if ( |
| 93 | $width > 400 |
| 94 | // We don't need to check a nonce here. A nonce is already checked "further up" in most code paths. |
| 95 | // In the case where no nonce is ever checked, setting this $_POST parameter doesn't do anything the submitter couldn't already do (set the width/height). |
| 96 | && isset( $_POST['widget-text'] ) // phpcs:ignore WordPress.Security.NonceVerification.Missing |
| 97 | ) { |
| 98 | $width = 200; |
| 99 | $height = 200; |
| 100 | } |
| 101 | |
| 102 | $attributes = ''; |
| 103 | if ( isset( $params['width'] ) && '100%' === $params['width']['value'] ) { |
| 104 | $width = '100%'; |
| 105 | } |
| 106 | |
| 107 | if ( $width ) { |
| 108 | $attributes = ' width="' . $width . '"'; |
| 109 | } |
| 110 | |
| 111 | if ( $height ) { |
| 112 | $attributes .= ' height="' . $height . '"'; |
| 113 | } |
| 114 | |
| 115 | $domain = 'spreadsheets'; |
| 116 | if ( in_array( $match[2], array( 'docs', 'drive', 'www', 'calendar' ), true ) ) { |
| 117 | $domain = $match[2]; |
| 118 | } |
| 119 | |
| 120 | // Make sure this is actually something that the shortcode supports. If it's not, leave the HTML alone. |
| 121 | if ( ! googleapps_validate_domain_and_dir( $domain, $match[3] ) ) { |
| 122 | continue; |
| 123 | } |
| 124 | |
| 125 | /** This action is documented in modules/widgets/social-media-icons.php */ |
| 126 | do_action( 'jetpack_bump_stats_extras', 'html_to_shortcode', googleapps_service_name( $domain, $match[3] ) ); |
| 127 | |
| 128 | $content = str_replace( $match[0], '[googleapps domain="' . $domain . '" dir="' . $match[3] . '" query="' . esc_attr( $match[4] ) . '"' . $attributes . ' /]', $content ); |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | return $content; |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * Parse shortcode attributes and output a Google Docs embed. |
| 137 | * |
| 138 | * @since 4.5.0 |
| 139 | * |
| 140 | * @param array $atts Shortcode attributes. |
| 141 | * |
| 142 | * @return string |
| 143 | */ |
| 144 | function googleapps_shortcode( $atts ) { |
| 145 | global $content_width; |
| 146 | |
| 147 | $attr = shortcode_atts( |
| 148 | array( |
| 149 | 'width' => '100%', |
| 150 | 'height' => '560', |
| 151 | 'domain' => 'docs', |
| 152 | 'dir' => 'document', |
| 153 | 'query' => '', |
| 154 | 'src' => '', |
| 155 | ), |
| 156 | $atts |
| 157 | ); |
| 158 | |
| 159 | if ( isset( $content_width ) && is_numeric( $attr['width'] ) && $attr['width'] > $content_width ) { |
| 160 | $attr['width'] = $content_width; |
| 161 | } |
| 162 | |
| 163 | if ( isset( $content_width ) && '560' === $attr['height'] ) { |
| 164 | $attr['height'] = floor( $content_width * 3 / 4 ); |
| 165 | } |
| 166 | |
| 167 | if ( isset( $atts[0] ) && $atts[0] ) { |
| 168 | $attr['src'] = $atts[0]; |
| 169 | } |
| 170 | |
| 171 | if ( $attr['src'] && preg_match( '!https?://(docs|drive|spreadsheets\d*|calendar|www)*\.google\.com/([-\w\./]+)\?([^"]+)!', $attr['src'], $matches ) ) { |
| 172 | $attr['domain'] = $matches[1]; |
| 173 | $attr['dir'] = $matches[2]; |
| 174 | parse_str( htmlspecialchars_decode( $matches[3] ), $query_ar ); |
| 175 | $query_ar['chrome'] = 'false'; |
| 176 | $query_ar['embedded'] = 'true'; |
| 177 | $attr['query'] = http_build_query( $query_ar ); |
| 178 | } |
| 179 | |
| 180 | if ( ! googleapps_validate_domain_and_dir( $attr['domain'], $attr['dir'] ) ) { |
| 181 | return '<!-- Unsupported URL -->'; |
| 182 | } |
| 183 | |
| 184 | $attr['query'] = $attr['dir'] . '?' . $attr['query']; |
| 185 | |
| 186 | /** This action is documented in modules/widgets/social-media-icons.php */ |
| 187 | do_action( 'jetpack_bump_stats_extras', 'embeds', googleapps_service_name( $attr['domain'], $attr['dir'] ) ); |
| 188 | |
| 189 | return sprintf( |
| 190 | '<iframe src="%s" frameborder="0" width="%s" height="%s" marginheight="0" marginwidth="0" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true"></iframe>', |
| 191 | esc_url( 'https://' . $attr['domain'] . '.google.com/' . $attr['query'] ), |
| 192 | esc_attr( $attr['width'] ), |
| 193 | esc_attr( $attr['height'] ) |
| 194 | ); |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * Check that the domain blogs to a Google Apps domain. |
| 199 | * |
| 200 | * @since 4.5.0 |
| 201 | * |
| 202 | * @param string $domain Google subdomain. |
| 203 | * @param string $dir Subdirectory of the shared URL. |
| 204 | * |
| 205 | * @return bool |
| 206 | */ |
| 207 | function googleapps_validate_domain_and_dir( $domain, $dir ) { |
| 208 | if ( ! in_array( $domain, array( 'docs', 'drive', 'www', 'spreadsheets', 'calendar' ), true ) ) { |
| 209 | return false; |
| 210 | } |
| 211 | |
| 212 | // Calendars. |
| 213 | if ( ( 'www' === $domain || 'calendar' === $domain ) && 'calendar/' !== substr( $dir, 0, 9 ) ) { |
| 214 | return false; |
| 215 | } |
| 216 | |
| 217 | // Docs. |
| 218 | if ( in_array( $domain, array( 'docs', 'drive' ), true ) && ! preg_match( '![-\.\w/]*(presentation/embed|presentation/d/(.*)|present/embed|document/pub|spreadsheets/d/(.*)|document/d/(e/)?[\w-]+/pub|file/d/[\w-]+/preview|viewer|forms/d/(.*)/viewform|spreadsheet/\w+)$!', $dir ) ) { |
| 219 | return false; |
| 220 | } |
| 221 | |
| 222 | // Spreadsheets. |
| 223 | if ( 'spreadsheets' === $domain && ! preg_match( '!^([-\.\w/]+/pub|[-\.\w/]*embeddedform)$!', $dir ) ) { |
| 224 | return false; |
| 225 | } |
| 226 | |
| 227 | return true; |
| 228 | } |
| 229 | |
| 230 | /** |
| 231 | * Get the name of the service we'll be embedding. |
| 232 | * |
| 233 | * @since 4.5.0 |
| 234 | * |
| 235 | * @param string $domain Google subdomain. |
| 236 | * @param string $dir Subdirectory of the shared URL. |
| 237 | * |
| 238 | * @return string |
| 239 | */ |
| 240 | function googleapps_service_name( $domain, $dir ) { |
| 241 | switch ( $domain ) { |
| 242 | case 'drive': |
| 243 | case 'docs': |
| 244 | $service_name = ( 'present/embed' === $dir ) ? 'googledocs_presentation' : 'googledocs_document'; |
| 245 | break; |
| 246 | case 'spreadsheets': |
| 247 | $service_name = ( 'embeddedform' === $dir ) ? 'googledocs_form' : 'googledocs_spreadsheet'; |
| 248 | break; |
| 249 | case 'calendar': |
| 250 | default: |
| 251 | $service_name = 'google_calendar'; |
| 252 | } |
| 253 | |
| 254 | return $service_name; |
| 255 | } |
| 256 |