| 1 |
<?php |
| 2 |
/* |
| 3 |
* License: GPLv3 |
| 4 |
* License URI: https://www.gnu.org/licenses/gpl.txt |
| 5 |
* Copyright 2012-2026 Jean-Sebastien Morisset (https://wpsso.com/) |
| 6 |
*/ |
| 7 |
|
| 8 |
if ( ! defined( 'ABSPATH' ) ) { |
| 9 |
|
| 10 |
die( 'These aren\'t the droids you\'re looking for.' ); |
| 11 |
} |
| 12 |
|
| 13 |
if ( ! defined( 'WPSSO_PLUGINDIR' ) ) { |
| 14 |
|
| 15 |
die( 'Do. Or do not. There is no try.' ); |
| 16 |
} |
| 17 |
|
| 18 |
if ( ! class_exists( 'WpssoHead' ) ) { |
| 19 |
|
| 20 |
class WpssoHead { |
| 21 |
|
| 22 |
private $p; // Wpsso class object. |
| 23 |
|
| 24 |
public function __construct( &$plugin ) { |
| 25 |
|
| 26 |
$this->p =& $plugin; |
| 27 |
|
| 28 |
if ( $this->p->debug->enabled ) { |
| 29 |
|
| 30 |
$this->p->debug->mark(); |
| 31 |
} |
| 32 |
|
| 33 |
/* |
| 34 |
* If any custom modifications are required to the WP_Query 'query_vars', they should be done before the |
| 35 |
* 'wp_head' action is triggered. The WpssoHead->show_head() method calls WpssoPage->get_mod() to determine |
| 36 |
* the current WordPress object (comment, post, term, or user), if any, and saves the 'query_vars' value |
| 37 |
* for WordPress archive queries. |
| 38 |
*/ |
| 39 |
add_action( 'wp_head', array( $this, 'show_head' ), WPSSO_HEAD_PRIORITY ); |
| 40 |
|
| 41 |
/* |
| 42 |
* If an AMP plugin is active, hook 'amp_post_template_head' to add head markup for AMP pages. |
| 43 |
*/ |
| 44 |
if ( ! empty( $this->p->avail[ 'amp' ][ 'any' ] ) ) { |
| 45 |
|
| 46 |
add_action( 'amp_post_template_head', array( $this, 'show_head' ), WPSSO_HEAD_PRIORITY ); |
| 47 |
|
| 48 |
if ( $this->p->avail[ 'p' ][ 'schema' ] ) { |
| 49 |
|
| 50 |
if ( $this->p->debug->enabled ) { |
| 51 |
|
| 52 |
$this->p->debug->log( 'disabling amp_post_template_metadata' ); |
| 53 |
} |
| 54 |
|
| 55 |
add_filter( 'amp_post_template_metadata', '__return_empty_array', PHP_INT_MAX ); |
| 56 |
} |
| 57 |
} |
| 58 |
|
| 59 |
/* |
| 60 |
* Maybe do a 301 redirect. |
| 61 |
*/ |
| 62 |
add_action( 'template_redirect', array( $this, 'maybe_redirect_url' ), PHP_INT_MIN ); |
| 63 |
} |
| 64 |
|
| 65 |
public function maybe_redirect_url() { |
| 66 |
|
| 67 |
if ( $this->p->debug->enabled ) { |
| 68 |
|
| 69 |
$this->p->debug->mark(); |
| 70 |
} |
| 71 |
|
| 72 |
if ( is_admin() || is_preview() || is_customize_preview() ) { |
| 73 |
|
| 74 |
if ( $this->p->debug->enabled ) { |
| 75 |
|
| 76 |
$this->p->debug->log( 'exiting early: is admin, preview, or customize preview' ); |
| 77 |
} |
| 78 |
|
| 79 |
return; |
| 80 |
|
| 81 |
/* |
| 82 |
* WpssoUtil->is_redirect_disabled() returns true if: |
| 83 |
* |
| 84 |
* - An SEO plugin is active. |
| 85 |
* - The 'wpsso_redirect_disabled' filter returns true. |
| 86 |
*/ |
| 87 |
} elseif ( $this->p->util->is_redirect_disabled() ) { |
| 88 |
|
| 89 |
if ( $this->p->debug->enabled ) { |
| 90 |
|
| 91 |
$this->p->debug->log( 'exiting early: redirect is disabled' ); |
| 92 |
} |
| 93 |
|
| 94 |
return; |
| 95 |
} |
| 96 |
|
| 97 |
$use_post = apply_filters( 'wpsso_use_post', false ); |
| 98 |
|
| 99 |
$url = $this->p->util->get_redirect_url( $use_post ); |
| 100 |
|
| 101 |
if ( $url ) { |
| 102 |
|
| 103 |
do_action( 'wpsso_before_redirect', $url ); |
| 104 |
|
| 105 |
$redirect_code = absint( apply_filters( 'wpsso_redirect_status_code', 301 ) ); |
| 106 |
|
| 107 |
if ( wp_safe_redirect( $url, $redirect_code ) ) { |
| 108 |
|
| 109 |
exit; |
| 110 |
} |
| 111 |
} |
| 112 |
} |
| 113 |
|
| 114 |
public function add_vary_user_agent_header( $headers ) { |
| 115 |
|
| 116 |
$headers [ 'Vary' ] = 'User-Agent'; |
| 117 |
|
| 118 |
return $headers; |
| 119 |
} |
| 120 |
|
| 121 |
/* |
| 122 |
* Called by 'wp_head' and 'amp_post_template_head' actions. |
| 123 |
* |
| 124 |
* If any custom modifications are required to the WP_Query 'query_vars', they should be done before the 'wp_head' |
| 125 |
* action is triggered. The WpssoHead->show_head() method calls WpssoPage->get_mod() to determine the current |
| 126 |
* WordPress object (comment, post, term, or user), if any, and saves the 'query_vars' value for WordPress archive |
| 127 |
* queries. |
| 128 |
*/ |
| 129 |
public function show_head() { |
| 130 |
|
| 131 |
if ( $this->p->debug->enabled ) { |
| 132 |
|
| 133 |
$this->p->debug->mark(); |
| 134 |
} |
| 135 |
|
| 136 |
if ( is_admin() || is_preview() || is_customize_preview() ) { |
| 137 |
|
| 138 |
if ( $this->p->debug->enabled ) { |
| 139 |
|
| 140 |
$this->p->debug->log( 'exiting early: is admin, preview, or customize preview' ); |
| 141 |
} |
| 142 |
|
| 143 |
return; |
| 144 |
} |
| 145 |
|
| 146 |
if ( $this->p->debug->enabled ) { |
| 147 |
|
| 148 |
$this->p->debug->log( 'required call to WpssoPage->get_mod()' ); |
| 149 |
} |
| 150 |
|
| 151 |
$use_post = apply_filters( 'wpsso_use_post', false ); |
| 152 |
|
| 153 |
$mod = $this->p->page->get_mod( $use_post ); |
| 154 |
|
| 155 |
if ( $this->p->debug->enabled ) { |
| 156 |
|
| 157 |
$this->p->debug->log_arr( 'mod', $mod ); |
| 158 |
$this->p->debug->log( 'home url = ' . get_option( 'home' ) ); |
| 159 |
$this->p->debug->log( 'locale current = ' . SucomUtilWP::get_locale() ); |
| 160 |
$this->p->debug->log( 'locale default = ' . SucomUtilWP::get_locale( 'default' ) ); |
| 161 |
$this->p->debug->log( 'locale mod = ' . SucomUtilWP::get_locale( $mod ) ); |
| 162 |
$this->p->util->log_is_functions(); |
| 163 |
} |
| 164 |
|
| 165 |
echo $this->get_head_html( $use_post, $mod, $read_cache = true ); |
| 166 |
} |
| 167 |
|
| 168 |
public function get_head_html( $use_post = false, $mod = false, $read_cache = true ) { |
| 169 |
|
| 170 |
if ( $this->p->debug->enabled ) { |
| 171 |
|
| 172 |
$this->p->debug->mark(); |
| 173 |
} |
| 174 |
|
| 175 |
$mtime_start = microtime( $get_float = true ); |
| 176 |
$indent_num = 0; |
| 177 |
|
| 178 |
/* |
| 179 |
* The $mod array argument is preferred but not required. |
| 180 |
*/ |
| 181 |
if ( ! is_array( $mod ) ) { |
| 182 |
|
| 183 |
if ( $this->p->debug->enabled ) { |
| 184 |
|
| 185 |
$this->p->debug->log( 'optional call to WpssoPage->get_mod()' ); |
| 186 |
} |
| 187 |
|
| 188 |
$mod = $this->p->page->get_mod( $use_post ); |
| 189 |
} |
| 190 |
|
| 191 |
$html = "\n\n"; |
| 192 |
|
| 193 |
if ( apply_filters( 'wpsso_head_disable', false, $mod ) ) { // Not disabled by default. |
| 194 |
|
| 195 |
if ( $this->p->debug->enabled ) { |
| 196 |
|
| 197 |
$this->p->debug->log( 'head structured data disabled' ); |
| 198 |
} |
| 199 |
|
| 200 |
$head_tags = $this->get_head_array_disabled( $use_post, $mod ); |
| 201 |
|
| 202 |
} else $head_tags = $this->get_head_array( $use_post, $mod, $read_cache ); |
| 203 |
|
| 204 |
if ( is_array( $head_tags ) ) { // Just in case. |
| 205 |
|
| 206 |
foreach ( $head_tags as $mt ) { |
| 207 |
|
| 208 |
if ( ! empty( $mt[ 0 ] ) ) { |
| 209 |
|
| 210 |
if ( $indent_num && 0 === strpos( $mt[ 0 ], '</noscript' ) ) { |
| 211 |
|
| 212 |
$indent_num = 0; |
| 213 |
} |
| 214 |
|
| 215 |
$html .= str_repeat( "\t", (int) $indent_num ) . $mt[0]; |
| 216 |
|
| 217 |
if ( 0 === strpos( $mt[ 0 ], '<noscript' ) ) { // Indent meta tags within a noscript container. |
| 218 |
|
| 219 |
$indent_num = 1; |
| 220 |
} |
| 221 |
} |
| 222 |
} |
| 223 |
} |
| 224 |
|
| 225 |
unset( $head_tags, $mt, $indent_num, $use_post, $mod, $read_cache ); |
| 226 |
|
| 227 |
$mtime_total = microtime( $get_float = true ) - $mtime_start; |
| 228 |
|
| 229 |
$html .= $this->get_mt_data( 'added', $mtime_total ) . "\n"; |
| 230 |
|
| 231 |
return $html; |
| 232 |
} |
| 233 |
|
| 234 |
/* |
| 235 |
* The cache is cleared by WpssoAbstractWpMeta->clear_mod_cache(). |
| 236 |
* |
| 237 |
* The clear_head_array() method is called with $mod = false and a $canonical_url value for post date archive pages. |
| 238 |
*/ |
| 239 |
public function clear_head_array( $mod = false, $canonical_url = null ) { |
| 240 |
|
| 241 |
if ( $this->p->debug->enabled ) { |
| 242 |
|
| 243 |
$this->p->debug->mark(); |
| 244 |
} |
| 245 |
|
| 246 |
if ( empty( $mod ) && empty( $canonical_url ) ) { |
| 247 |
|
| 248 |
return 0; |
| 249 |
|
| 250 |
} elseif ( null === $canonical_url ) { |
| 251 |
|
| 252 |
/* |
| 253 |
* Canonical URL for SucomUtil::get_mod_salt(). |
| 254 |
*/ |
| 255 |
$canonical_url = $this->p->util->get_canonical_url( $mod ); |
| 256 |
} |
| 257 |
|
| 258 |
/* |
| 259 |
* Setup variables for transient cache. |
| 260 |
* |
| 261 |
* Note that the sort order, page number, locale, amp and embed checks are provided by |
| 262 |
* WpssoHead->get_head_cache_index() and not SucomUtil::get_mod_salt(). |
| 263 |
*/ |
| 264 |
$pretty_salt = $this->p->util->is_json_pretty() ? '_is_pretty' : ''; |
| 265 |
$cache_md5_pre = 'wpsso_h_'; // Transient prefix for head markup. |
| 266 |
$cache_salt = __CLASS__ . '::head_array(' . SucomUtil::get_mod_salt( $mod, $canonical_url ) . $pretty_salt . ')'; |
| 267 |
$cache_id = $cache_md5_pre . md5( $cache_salt ); |
| 268 |
|
| 269 |
if ( $this->p->debug->enabled ) { |
| 270 |
|
| 271 |
$this->p->debug->log( 'canonical url = ' . $canonical_url ); |
| 272 |
$this->p->debug->log( 'cache salt = ' . $cache_salt ); |
| 273 |
$this->p->debug->log( 'cache id = ' . $cache_id ); |
| 274 |
} |
| 275 |
|
| 276 |
delete_transient( $cache_id ); |
| 277 |
|
| 278 |
return; |
| 279 |
} |
| 280 |
|
| 281 |
/* |
| 282 |
* Called when the 'wpsso_head_disable' filter returns true. |
| 283 |
*/ |
| 284 |
public function get_head_array_disabled( $use_post = false, $mod = false ) { |
| 285 |
|
| 286 |
if ( $this->p->debug->enabled ) { |
| 287 |
|
| 288 |
$this->p->debug->mark(); |
| 289 |
} |
| 290 |
|
| 291 |
/* |
| 292 |
* Generator meta tags. |
| 293 |
*/ |
| 294 |
$mt_gen = array( 'generator' => $this->p->check->get_ext_gen_list() ); |
| 295 |
|
| 296 |
return array_merge( |
| 297 |
array( array( $this->get_mt_data( 'begin' ) ) ), |
| 298 |
array( array( $this->get_mt_data( 'disabled' ) ) ), |
| 299 |
$this->get_mt_array( $tag = 'meta', $type = 'name', $mt_gen, $mod ), |
| 300 |
array( array( $this->get_mt_data( 'end' ) ) ), |
| 301 |
); |
| 302 |
} |
| 303 |
|
| 304 |
/* |
| 305 |
* The cache is cleared by WpssoAbstractWpMeta->clear_mod_cache(). |
| 306 |
* |
| 307 |
* $read_cache is false when called by the post/term/user load_meta_page() method. |
| 308 |
* |
| 309 |
* See WpssoAbstractWpMeta->get_head_info(). |
| 310 |
* See WpssoHead->get_head_html(). |
| 311 |
* See WpssoUtilCache->refresh_mod_head_meta(). |
| 312 |
*/ |
| 313 |
public function get_head_array( $use_post = false, $mod = false, $read_cache = true ) { |
| 314 |
|
| 315 |
if ( $this->p->debug->enabled ) { |
| 316 |
|
| 317 |
$this->p->debug->mark( 'building head array' ); // Begin timer. |
| 318 |
} |
| 319 |
|
| 320 |
/* |
| 321 |
* The $mod array argument is preferred but not required. |
| 322 |
*/ |
| 323 |
if ( ! is_array( $mod ) ) { |
| 324 |
|
| 325 |
if ( $this->p->debug->enabled ) { |
| 326 |
|
| 327 |
$this->p->debug->log( 'optional call to WpssoPage->get_mod()' ); |
| 328 |
} |
| 329 |
|
| 330 |
$mod = $this->p->page->get_mod( $use_post ); |
| 331 |
} |
| 332 |
|
| 333 |
/* |
| 334 |
* Canonical URL for SucomUtil::get_mod_salt(). |
| 335 |
*/ |
| 336 |
$canonical_url = $this->p->util->get_canonical_url( $mod ); |
| 337 |
|
| 338 |
/* |
| 339 |
* Disable head and content cache if the request URL contains one or more unknown query arguments. |
| 340 |
*/ |
| 341 |
if ( SucomUtilWP::doing_frontend() ) { |
| 342 |
|
| 343 |
$request_url = SucomUtil::get_url( $remove_ignored_args = true ); // Uses a local cache. |
| 344 |
|
| 345 |
if ( $this->p->debug->enabled ) { |
| 346 |
|
| 347 |
$this->p->debug->log( 'request url = ' . $request_url ); |
| 348 |
} |
| 349 |
|
| 350 |
if ( $request_url !== $canonical_url && false !== strpos( $request_url, '?' ) ) { |
| 351 |
|
| 352 |
if ( $this->p->debug->enabled ) { |
| 353 |
|
| 354 |
$this->p->debug->log( 'unknown query arguments detected in request url' ); |
| 355 |
} |
| 356 |
|
| 357 |
/* |
| 358 |
* WooCommerce product attributes do not have their own webpages - product attribute query |
| 359 |
* strings are used to pre-fill product selections on the front-end. The |
| 360 |
* WpssoIntegEcomWooCommerce->filter_request_url_query_cache_disable() method removes all |
| 361 |
* product attributes from the request URL, and if the $request_url and $canonical_url |
| 362 |
* values match, the filter will return false (ie. do not disable the cache). |
| 363 |
*/ |
| 364 |
if ( apply_filters( 'wpsso_request_url_query_cache_disable', true, $request_url, $canonical_url, $mod ) ) { |
| 365 |
|
| 366 |
if ( $this->p->debug->enabled ) { |
| 367 |
|
| 368 |
$this->p->debug->log( 'head and content cache disabled for query arguments' ); |
| 369 |
} |
| 370 |
|
| 371 |
$this->p->util->add_plugin_filters( $this, array( |
| 372 |
'cache_expire_head_markup' => '__return_zero', // Used by WpssoHead->get_head_array(). |
| 373 |
'cache_expire_the_content' => '__return_zero', // Used by WpssoPage->get_the_content(). |
| 374 |
) ); |
| 375 |
|
| 376 |
} else { |
| 377 |
|
| 378 |
if ( $this->p->debug->enabled ) { |
| 379 |
|
| 380 |
$this->p->debug->log( 'head and content cache allowed for query arguments' ); |
| 381 |
} |
| 382 |
} |
| 383 |
} |
| 384 |
} |
| 385 |
|
| 386 |
/* |
| 387 |
* Setup variables for transient cache. |
| 388 |
* |
| 389 |
* Note that WpssoUtil->get_cache_exp_secs() will return 0 for some pre-defined conditions in the $mod |
| 390 |
* array (ie. 404, attachment, date, and search). |
| 391 |
* |
| 392 |
* Note that the sort order, page number, locale, amp and embed checks are provided by |
| 393 |
* WpssoHead->get_head_cache_index() and not SucomUtil::get_mod_salt(). |
| 394 |
*/ |
| 395 |
$pretty_salt = $this->p->util->is_json_pretty() ? '_is_pretty' : ''; |
| 396 |
$cache_md5_pre = 'wpsso_h_'; // Transient prefix for head markup. |
| 397 |
$cache_exp_secs = $this->p->util->get_cache_exp_secs( $cache_md5_pre, $cache_type = 'transient', $mod ); |
| 398 |
$cache_salt = __CLASS__ . '::head_array(' . SucomUtil::get_mod_salt( $mod, $canonical_url ) . $pretty_salt . ')'; |
| 399 |
$cache_id = $cache_md5_pre . md5( $cache_salt ); |
| 400 |
$cache_index = $this->get_head_cache_index( $mod ); // Includes the page number. |
| 401 |
|
| 402 |
if ( $this->p->debug->enabled ) { |
| 403 |
|
| 404 |
$this->p->debug->log( 'canonical url = ' . $canonical_url ); |
| 405 |
$this->p->debug->log( 'cache expire = ' . $cache_exp_secs ); |
| 406 |
$this->p->debug->log( 'cache salt = ' . $cache_salt ); |
| 407 |
$this->p->debug->log( 'cache id = ' . $cache_id ); |
| 408 |
$this->p->debug->log( 'cache index = ' . $cache_index ); |
| 409 |
$this->p->debug->log( 'read cache is ' . SucomUtil::get_bool_string( $read_cache ) ); |
| 410 |
} |
| 411 |
|
| 412 |
$cache_array = get_transient( $cache_id ); |
| 413 |
|
| 414 |
if ( is_array( $cache_array ) ) { |
| 415 |
|
| 416 |
if ( isset( $cache_array[ $cache_index ] ) ) { |
| 417 |
|
| 418 |
if ( is_array( $cache_array[ $cache_index ] ) ) { |
| 419 |
|
| 420 |
/* |
| 421 |
* $cache_exp_secs can be 0 if URL query arguments are present or caching has been |
| 422 |
* disabled for debugging. |
| 423 |
*/ |
| 424 |
if ( $cache_exp_secs > 0 && $read_cache ) { |
| 425 |
|
| 426 |
if ( $this->p->debug->enabled ) { |
| 427 |
|
| 428 |
$this->p->debug->log( 'cache index found in transient cache' ); |
| 429 |
|
| 430 |
$this->p->debug->mark( 'building head array' ); // End timer. |
| 431 |
} |
| 432 |
|
| 433 |
return $cache_array[ $cache_index ]; // Stop here. |
| 434 |
} |
| 435 |
|
| 436 |
unset( $cache_array[ $cache_index ] ); |
| 437 |
} |
| 438 |
} |
| 439 |
|
| 440 |
} else $cache_array = array(); // Initialize a new transient cache array. |
| 441 |
|
| 442 |
if ( $this->p->debug->enabled ) { |
| 443 |
|
| 444 |
$this->p->debug->log( 'cache index not in transient cache' ); |
| 445 |
} |
| 446 |
|
| 447 |
/* |
| 448 |
* Set a general reference value for admin notices. |
| 449 |
*/ |
| 450 |
$this->p->util->maybe_set_ref( $canonical_url, $mod ); |
| 451 |
|
| 452 |
/* |
| 453 |
* Define the author_id (if one is available). |
| 454 |
*/ |
| 455 |
$author_id = WpssoUser::get_author_id( $mod ); |
| 456 |
|
| 457 |
if ( $this->p->debug->enabled ) { |
| 458 |
|
| 459 |
$this->p->debug->log( 'author_id = ' . ( false === $author_id ? 'false' : $author_id ) ); |
| 460 |
} |
| 461 |
|
| 462 |
/* |
| 463 |
* Open Graph - define first to pass the mt_og array to other methods. |
| 464 |
*/ |
| 465 |
$this->p->util->maybe_set_ref( $canonical_url, $mod, __( 'adding open graph meta tags', 'wpsso' ) ); |
| 466 |
|
| 467 |
$mt_og = $this->p->og->get_array( $mod ); |
| 468 |
|
| 469 |
$this->p->util->maybe_unset_ref( $canonical_url ); |
| 470 |
|
| 471 |
/* |
| 472 |
* X (Twitter) Cards. |
| 473 |
*/ |
| 474 |
$this->p->util->maybe_set_ref( $canonical_url, $mod, __( 'adding twitter card meta tags', 'wpsso' ) ); |
| 475 |
|
| 476 |
$mt_tc = $this->p->tc->get_array( $mod, $mt_og, $author_id ); |
| 477 |
|
| 478 |
$this->p->util->maybe_unset_ref( $canonical_url ); |
| 479 |
|
| 480 |
/* |
| 481 |
* Name / SEO meta tags. |
| 482 |
*/ |
| 483 |
$this->p->util->maybe_set_ref( $canonical_url, $mod, __( 'adding meta name meta tags', 'wpsso' ) ); |
| 484 |
|
| 485 |
$mt_name = $this->p->meta_name->get_array( $mod, $mt_og, $author_id ); |
| 486 |
|
| 487 |
$this->p->util->maybe_unset_ref( $canonical_url ); |
| 488 |
|
| 489 |
/* |
| 490 |
* Link relation tags. |
| 491 |
*/ |
| 492 |
$this->p->util->maybe_set_ref( $canonical_url, $mod, __( 'adding link relation tags', 'wpsso' ) ); |
| 493 |
|
| 494 |
$link_rel = $this->p->link_rel->get_array( $mod, $mt_og, $author_id ); |
| 495 |
|
| 496 |
$this->p->util->maybe_unset_ref( $canonical_url ); |
| 497 |
|
| 498 |
/* |
| 499 |
* Schema json scripts. |
| 500 |
*/ |
| 501 |
if ( empty( $this->p->avail[ 'p' ][ 'schema' ] ) ) { |
| 502 |
|
| 503 |
if ( $this->p->debug->enabled ) { |
| 504 |
|
| 505 |
$this->p->debug->log( 'schema markup is disabled' ); |
| 506 |
} |
| 507 |
|
| 508 |
$schema_scripts = array(); |
| 509 |
|
| 510 |
} else { |
| 511 |
|
| 512 |
$this->p->util->maybe_set_ref( $canonical_url, $mod, __( 'adding schema json-ld markup', 'wpsso' ) ); |
| 513 |
|
| 514 |
$schema_scripts = $this->p->schema->get_array( $mod, $mt_og ); |
| 515 |
|
| 516 |
$this->p->util->maybe_unset_ref( $canonical_url ); |
| 517 |
} |
| 518 |
|
| 519 |
/* |
| 520 |
* Unset mis-matched og_type meta tags. |
| 521 |
*/ |
| 522 |
$mt_og = $this->p->og->sanitize_mt_array( $mt_og ); |
| 523 |
|
| 524 |
/* |
| 525 |
* Generator meta tags. |
| 526 |
*/ |
| 527 |
$mt_gen = array( 'generator' => $this->p->check->get_ext_gen_list() ); |
| 528 |
|
| 529 |
/* |
| 530 |
* Combine and return all meta tags. |
| 531 |
*/ |
| 532 |
$cache_array[ $cache_index ] = array_merge( |
| 533 |
array( array( $this->get_mt_data( 'begin' ) ) ), |
| 534 |
$this->get_mt_array( $tag = 'meta', $type = 'name', $mt_gen, $mod ), |
| 535 |
$this->get_mt_array( $tag = 'link', $type = 'rel', $link_rel, $mod ), |
| 536 |
$this->get_mt_array( $tag = 'meta', $type = 'property', $mt_og, $mod ), |
| 537 |
$this->get_mt_array( $tag = 'meta', $type = 'name', $mt_tc, $mod ), |
| 538 |
$this->get_mt_array( $tag = 'meta', $type = 'name', $mt_name, $mod ), // SEO description is last. |
| 539 |
$schema_scripts, |
| 540 |
array( array( $this->get_mt_data( 'end' ) ), array( $this->get_mt_data( 'cached', $cache_exp_secs ) ) ), |
| 541 |
); |
| 542 |
|
| 543 |
/* |
| 544 |
* Unset variables that are no longer needed. |
| 545 |
*/ |
| 546 |
unset( $mt_gen, $link_rel, $mt_og, $mt_tc, $mt_name, $schema_scripts ); |
| 547 |
|
| 548 |
/* |
| 549 |
* Update the cached array and maintain the existing transient expiration time. |
| 550 |
*/ |
| 551 |
if ( $cache_exp_secs > 0 ) { |
| 552 |
|
| 553 |
$expires_in_secs = SucomUtilWP::update_transient_array( $cache_id, $cache_array, $cache_exp_secs ); |
| 554 |
|
| 555 |
if ( $this->p->debug->enabled ) { |
| 556 |
|
| 557 |
$this->p->debug->log( 'head array saved to transient cache (expires in ' . $expires_in_secs . ' secs)' ); |
| 558 |
} |
| 559 |
} |
| 560 |
|
| 561 |
/* |
| 562 |
* Unset the general reference value for admin notices. |
| 563 |
*/ |
| 564 |
$this->p->util->maybe_unset_ref( $canonical_url ); |
| 565 |
|
| 566 |
if ( $this->p->debug->enabled ) { |
| 567 |
|
| 568 |
$this->p->debug->mark( 'building head array' ); // End timer. |
| 569 |
} |
| 570 |
|
| 571 |
return $cache_array[ $cache_index ]; |
| 572 |
} |
| 573 |
|
| 574 |
/* |
| 575 |
* A cache index string based on current locale or $mod array. |
| 576 |
* |
| 577 |
* $mixed = 'default' | 'current' | post ID | $mod array |
| 578 |
* |
| 579 |
* See WpssoHead->get_head_array(). |
| 580 |
* See WpssoIntegEcomWooCommerce->filter_head_cache_index(). |
| 581 |
*/ |
| 582 |
public function get_head_cache_index( $mixed = 'current', $sep = '_' ) { |
| 583 |
|
| 584 |
$cache_index = ''; |
| 585 |
|
| 586 |
if ( is_array( $mixed ) ) { |
| 587 |
|
| 588 |
if ( ! empty( $mixed[ 'paged' ] ) && $mixed[ 'paged' ] > 1 ) { // Greater than 1. |
| 589 |
|
| 590 |
$cache_index .= $sep . 'paged:' . $mixed[ 'paged' ]; |
| 591 |
} |
| 592 |
|
| 593 |
if ( ! empty( $mixed[ 'query_vars' ][ 'cpage' ] ) && $mixed[ 'query_vars' ][ 'cpage' ] > 1 ) { // Greater than 1. |
| 594 |
|
| 595 |
$cache_index .= $sep . 'cpage:' . $mixed[ 'query_vars' ][ 'cpage' ]; |
| 596 |
} |
| 597 |
|
| 598 |
if ( ! empty( $mixed[ 'query_vars' ][ 'order' ] ) ) { // Sort order. |
| 599 |
|
| 600 |
$cache_index .= $sep . 'order:' . $mixed[ 'query_vars' ][ 'order' ]; |
| 601 |
} |
| 602 |
} |
| 603 |
|
| 604 |
$cache_index .= $sep . 'locale:' . SucomUtilWP::get_locale( $mixed ); |
| 605 |
|
| 606 |
if ( SucomUtilWP::is_amp() ) $cache_index .= $sep . 'is_amp'; // Returns null, true, or false. |
| 607 |
|
| 608 |
if ( function_exists( 'is_embed' ) && is_embed() ) $cache_index .= $sep . 'is_embed'; // Embedded pages are "noindex" by default. |
| 609 |
|
| 610 |
$cache_index .= $sep . 'status:' . $this->p->check->get_ext_status( 'wpsso' ); |
| 611 |
|
| 612 |
$cache_index = apply_filters( 'wpsso_head_cache_index', ltrim( $cache_index, $sep ), $mixed ); |
| 613 |
|
| 614 |
if ( $this->p->debug->enabled ) { |
| 615 |
|
| 616 |
$this->p->debug->log( 'head cache index = ' . $cache_index ); |
| 617 |
} |
| 618 |
|
| 619 |
return $cache_index; |
| 620 |
} |
| 621 |
|
| 622 |
/* |
| 623 |
* Extract certain key fields for display and sanity checks. |
| 624 |
* |
| 625 |
* Save meta tag values for later sorting in list tables. |
| 626 |
* |
| 627 |
* Called by WpssoAbstractWpMeta->get_head_info(). |
| 628 |
* Called by WpssoPost->load_meta_page(). |
| 629 |
* Called by WpssoPost->ajax_get_metabox_sso(). |
| 630 |
* Called by WpssoTerm->load_meta_page(). |
| 631 |
* Called by WpssoUser->load_meta_page(). |
| 632 |
* Called by WpssoUtilCache->refresh_mod_head_meta(). |
| 633 |
*/ |
| 634 |
public function extract_head_info( array $head_tags, $mod = false ) { |
| 635 |
|
| 636 |
$head_info = array(); |
| 637 |
|
| 638 |
foreach ( $head_tags as $mt ) { |
| 639 |
|
| 640 |
if ( ! isset( $mt[ 2 ] ) || ! isset( $mt[ 3 ] ) ) { |
| 641 |
|
| 642 |
continue; |
| 643 |
} |
| 644 |
|
| 645 |
$mt_match = $mt[ 2 ] . '-' . $mt[ 3 ]; |
| 646 |
|
| 647 |
switch ( $mt_match ) { |
| 648 |
|
| 649 |
case 'property-og:description': |
| 650 |
case 'property-og:locale': |
| 651 |
case 'property-og:title': |
| 652 |
case 'property-og:type': |
| 653 |
case 'property-og:url': |
| 654 |
case 'property-article:author:name': |
| 655 |
case ( strpos( $mt_match, 'name-schema:' ) === 0 ? true : false ): |
| 656 |
case ( strpos( $mt_match, 'name-twitter:' ) === 0 ? true : false ): |
| 657 |
|
| 658 |
if ( ! isset( $head_info[ $mt[ 3 ] ] ) ) { // Only save the first meta tag value. |
| 659 |
|
| 660 |
$head_info[ $mt[ 3 ] ] = $mt[ 5 ]; |
| 661 |
} |
| 662 |
|
| 663 |
break; |
| 664 |
|
| 665 |
case ( preg_match( '/^property-((og|p):(image|video))(:secure_url|:url)?$/', $mt_match, $m ) ? true : false ): |
| 666 |
|
| 667 |
if ( ! empty( $mt[ 5 ] ) ) { // Just in case. |
| 668 |
|
| 669 |
$has_media[ $m[ 1 ] ] = true; // Optimize media loop. |
| 670 |
} |
| 671 |
|
| 672 |
break; |
| 673 |
|
| 674 |
case 'property-og:redirect_url': |
| 675 |
|
| 676 |
if ( ! empty( $mt[ 5 ] ) ) { // Just in case. |
| 677 |
|
| 678 |
$head_info[ 'is_redirect' ] = '1'; |
| 679 |
} |
| 680 |
|
| 681 |
break; |
| 682 |
|
| 683 |
case 'name-robots': |
| 684 |
|
| 685 |
if ( ! empty( $mt[ 5 ] ) ) { // Just in case. |
| 686 |
|
| 687 |
$directives = $this->p->util->robots->get_content_directives( $mt[ 5 ] ); |
| 688 |
|
| 689 |
if ( isset( $directives[ 'noindex' ] ) ) { // Empty string. |
| 690 |
|
| 691 |
$head_info[ 'is_noindex' ] = '1'; |
| 692 |
} |
| 693 |
} |
| 694 |
|
| 695 |
break; |
| 696 |
} |
| 697 |
} |
| 698 |
|
| 699 |
/* |
| 700 |
* Save the first image and video information found. |
| 701 |
* |
| 702 |
* Assumes array key order defined by SucomUtil::get_mt_image_seed() and SucomUtil::get_mt_video_seed(). |
| 703 |
*/ |
| 704 |
foreach ( array( 'og:image', 'og:video', 'p:image' ) as $mt_pre ) { |
| 705 |
|
| 706 |
if ( empty( $has_media[ $mt_pre ] ) ) { |
| 707 |
|
| 708 |
continue; |
| 709 |
} |
| 710 |
|
| 711 |
$is_first = false; |
| 712 |
|
| 713 |
foreach ( $head_tags as $mt ) { |
| 714 |
|
| 715 |
if ( ! isset( $mt[ 2 ] ) || ! isset( $mt[ 3 ] ) ) { |
| 716 |
|
| 717 |
continue; |
| 718 |
} |
| 719 |
|
| 720 |
if ( strpos( $mt[ 3 ], $mt_pre ) !== 0 ) { |
| 721 |
|
| 722 |
$is_first = false; |
| 723 |
|
| 724 |
/* |
| 725 |
* If we already found media, then skip to the next media prefix. |
| 726 |
*/ |
| 727 |
if ( ! empty( $head_info[ $mt_pre ] ) ) { |
| 728 |
|
| 729 |
continue 2; |
| 730 |
|
| 731 |
} else { |
| 732 |
|
| 733 |
continue; // Skip meta tags without matching prefix. |
| 734 |
} |
| 735 |
} |
| 736 |
|
| 737 |
$mt_match = $mt[ 2 ] . '-' . $mt[ 3 ]; |
| 738 |
|
| 739 |
switch ( $mt_match ) { |
| 740 |
|
| 741 |
case ( preg_match( '/^property-' . $mt_pre . '(:secure_url|:url)?$/', $mt_match, $m ) ? true : false ): |
| 742 |
|
| 743 |
if ( ! empty( $head_info[ $mt_pre ] ) ) { // Only save the media URL once. |
| 744 |
|
| 745 |
continue 2; // Get the next meta tag. |
| 746 |
} |
| 747 |
|
| 748 |
if ( ! empty( $mt[ 5 ] ) ) { |
| 749 |
|
| 750 |
$head_info[ $mt_pre ] = $mt[ 5 ]; // Save the media URL. |
| 751 |
|
| 752 |
$is_first = true; |
| 753 |
} |
| 754 |
|
| 755 |
break; |
| 756 |
|
| 757 |
case ( preg_match( '/^property-' . $mt_pre . ':(width|height|cropped|id|title|description)$/', $mt_match, $m ) ? true : false ): |
| 758 |
|
| 759 |
if ( true !== $is_first ) { // Only save for first media found. |
| 760 |
|
| 761 |
continue 2; // Get the next meta tag. |
| 762 |
} |
| 763 |
|
| 764 |
$head_info[ $mt[ 3 ] ] = $mt[ 5 ]; |
| 765 |
|
| 766 |
break; |
| 767 |
} |
| 768 |
} |
| 769 |
} |
| 770 |
|
| 771 |
/* |
| 772 |
* Save meta tag values for later sorting in list tables. |
| 773 |
* |
| 774 |
* Not that the column 'meta_key' value must begin with '_wpsso_head_info_'. |
| 775 |
*/ |
| 776 |
if ( isset( $_GET[ 'replytocom' ] ) || is_embed() || is_404() || is_search() ) { |
| 777 |
|
| 778 |
// Nothing to do. |
| 779 |
|
| 780 |
} elseif ( ! empty( $mod[ 'obj' ] ) && $mod[ 'id' ] ) { |
| 781 |
|
| 782 |
$sortable_cols = WpssoAbstractWpMeta::get_sortable_columns(); // Uses a local cache. |
| 783 |
|
| 784 |
foreach ( $sortable_cols as $col_key => $col_info ) { |
| 785 |
|
| 786 |
if ( empty( $col_info[ 'meta_key' ] ) ) { |
| 787 |
|
| 788 |
continue; |
| 789 |
|
| 790 |
} elseif ( 0 !== strpos( $col_info[ 'meta_key' ], '_wpsso_head_info_' ) ) { |
| 791 |
|
| 792 |
continue; |
| 793 |
} |
| 794 |
|
| 795 |
$meta_value = $col_info[ 'def_val' ] ? $col_info[ 'def_val' ] : 'none'; // Default value. |
| 796 |
|
| 797 |
if ( isset( $col_info[ 'mt_name' ] ) ) { |
| 798 |
|
| 799 |
if ( 'og:image' === $col_info[ 'mt_name' ] ) { // Get the image thumbnail HTML. |
| 800 |
|
| 801 |
/* |
| 802 |
* Example $media_html: |
| 803 |
* |
| 804 |
* <div class="wp-thumb-bg-img" style="background-image:url(https://.../thumbnail.jpg);"></div> |
| 805 |
*/ |
| 806 |
if ( $media_html = $mod[ 'obj' ]->get_head_info_thumb_bg_img( $head_info, $mod ) ) { |
| 807 |
|
| 808 |
$meta_value = $media_html; |
| 809 |
} |
| 810 |
|
| 811 |
} elseif ( isset( $head_info[ $col_info[ 'mt_name' ] ] ) && '' !== $head_info[ $col_info[ 'mt_name' ] ] ) { |
| 812 |
|
| 813 |
$meta_value = $head_info[ $col_info[ 'mt_name' ] ]; |
| 814 |
} |
| 815 |
} |
| 816 |
|
| 817 |
if ( $this->p->debug->enabled ) { |
| 818 |
|
| 819 |
$this->p->debug->log( 'updating meta for ' . $mod[ 'name' ] . ' id ' . $mod[ 'id' ] . ' ' . $col_key . ' = ' . $meta_value ); |
| 820 |
} |
| 821 |
|
| 822 |
$mod[ 'obj' ]->update_sortable_meta( $mod[ 'id' ], $col_key, $meta_value ); |
| 823 |
} |
| 824 |
} |
| 825 |
|
| 826 |
return $head_info; |
| 827 |
} |
| 828 |
|
| 829 |
private function get_mt_array( $tag, $type, array $mixed, array $mod ) { |
| 830 |
|
| 831 |
$mt_array = array(); |
| 832 |
|
| 833 |
$this->add_mt_array( $mt_array, $tag, $type, $name = '', $mixed, $cmt = '', $mod, $use_image = true ); |
| 834 |
|
| 835 |
return $mt_array; |
| 836 |
} |
| 837 |
|
| 838 |
/* |
| 839 |
* Called by WpssoHead->get_head_array() with $type = 'begin', 'cached', and 'end'. |
| 840 |
* Called by WpssoHead->get_head_html() with $type = 'added'. |
| 841 |
* Called by WpssoPost->check_post_head() with $type = 'preg'. |
| 842 |
* Called by WpssoSsmFilters->strip_schema_microdata() with $type = 'preg'. |
| 843 |
*/ |
| 844 |
public function get_mt_data( $type, $args = null ) { |
| 845 |
|
| 846 |
switch ( $type ) { |
| 847 |
|
| 848 |
case 'added': |
| 849 |
|
| 850 |
$total_secs = sprintf( '%f secs', $args ); |
| 851 |
$human_mem = SucomUtil::format_human_bytes( memory_get_peak_usage(), $dec = 2 ); |
| 852 |
|
| 853 |
return '<meta name="wpsso-' . $type . '" content="' . gmdate( 'c' ) . |
| 854 |
' in ' . $total_secs . ' (' . $human_mem . ' peak)"/>' . "\n"; |
| 855 |
|
| 856 |
case 'begin': |
| 857 |
case 'disabled': |
| 858 |
case 'end': |
| 859 |
|
| 860 |
return '<meta name="wpsso-' . $type . '" content="' . WPSSO_DATA_ID . ' ' . $type . '"/>' . "\n"; |
| 861 |
|
| 862 |
case 'cached': |
| 863 |
|
| 864 |
$home_url = SucomUtilWP::raw_get_home_url(); |
| 865 |
$home_path = preg_replace( '/^[a-z]+:\/\//i', '', $home_url ); // Remove the protocol prefix. |
| 866 |
|
| 867 |
/* |
| 868 |
* $args = $cache_exp_secs. |
| 869 |
*/ |
| 870 |
return '<meta name="wpsso-' . $type . '" content="' . ( $args ? gmdate( 'c' ) : 'no cache' ) . ' for ' . $home_path . '"/>' . "\n"; |
| 871 |
|
| 872 |
/* |
| 873 |
* Used by WpssoPost->check_post_head() and WpssoSsmFilters->strip_schema_microdata(). |
| 874 |
*/ |
| 875 |
case 'preg': |
| 876 |
|
| 877 |
/* |
| 878 |
* Some HTML optimization plugins or services may remove the double-quotes from the name |
| 879 |
* attribute, along with the trailing space and slash characters, so make these optional in |
| 880 |
* the regex. |
| 881 |
*/ |
| 882 |
$preg_prefix = '<(meta[\s\n\r]+name="?wpsso-(begin|end)"?[\s\n\r]+content=")'; |
| 883 |
$preg_suffix = '("[\s\n\r]*\/?)>'; |
| 884 |
|
| 885 |
/* |
| 886 |
* U = Invert greediness of quantifiers, so they are NOT greedy by default, but become greedy if followed by ?. |
| 887 |
* u = Modifier to handle UTF-8 in subject strings. |
| 888 |
* m = The "^" and "$" constructs match newlines and the complete subject string. |
| 889 |
* s = A dot metacharacter in the pattern matches all characters, including newlines. |
| 890 |
*/ |
| 891 |
return '/' . $preg_prefix . WPSSO_DATA_ID . ' begin' . $preg_suffix . '.*' . |
| 892 |
$preg_prefix . WPSSO_DATA_ID . ' end' . $preg_suffix . '/Uums'; |
| 893 |
|
| 894 |
default: |
| 895 |
|
| 896 |
return ''; |
| 897 |
} |
| 898 |
} |
| 899 |
|
| 900 |
/* |
| 901 |
* Loops through the arrays and calls self->add_mt_singles() for each. |
| 902 |
* |
| 903 |
* The $name argument is required for numeric arrays. |
| 904 |
* |
| 905 |
* $mixed can be a null, boolean, a string, numeric, a numeric array, or an associative array. |
| 906 |
*/ |
| 907 |
private function add_mt_array( array &$mt_array, $tag, $type, $name, $mixed, $cmt = '', $mod = false, $use_image = true ) { |
| 908 |
|
| 909 |
if ( $this->p->debug->enabled ) { |
| 910 |
|
| 911 |
$this->p->debug->log( $mixed ); |
| 912 |
} |
| 913 |
|
| 914 |
if ( is_array( $mixed ) ) { |
| 915 |
|
| 916 |
if ( SucomUtil::is_assoc( $mixed ) ) { |
| 917 |
|
| 918 |
if ( isset( $mixed[ 'og:video:type' ] ) ) { |
| 919 |
|
| 920 |
if ( empty( $mixed[ 'og:video:has_image' ] ) ) { |
| 921 |
|
| 922 |
if ( $this->p->debug->enabled ) { |
| 923 |
|
| 924 |
$this->p->debug->log( 'ignoring video preview images' ); |
| 925 |
} |
| 926 |
|
| 927 |
$use_image = false; |
| 928 |
} |
| 929 |
} |
| 930 |
|
| 931 |
foreach ( $mixed as $key => $value ) { |
| 932 |
|
| 933 |
$log_prefix = $tag . ' ' . $type . ' ' . $key; |
| 934 |
|
| 935 |
if ( ! $use_image && 0 === strpos( $key, 'og:image' ) ) { |
| 936 |
|
| 937 |
if ( $this->p->debug->enabled ) { |
| 938 |
|
| 939 |
$this->p->debug->log( $log_prefix . ' skipped: use image is false' ); |
| 940 |
} |
| 941 |
|
| 942 |
} elseif ( is_array( $value ) ) { |
| 943 |
|
| 944 |
$opt_key = strtolower( 'add_' . $tag . '_' . $type . '_' . $key ); |
| 945 |
|
| 946 |
if ( ! empty( $this->p->options[ $opt_key ] ) || 0 === strpos( $key, 'wpsso-' ) ) { |
| 947 |
|
| 948 |
$this->add_mt_array( $mt_array, $tag, $type, $key, $value, $cmt, $mod, $use_image ); |
| 949 |
|
| 950 |
} elseif ( $this->p->debug->enabled ) { |
| 951 |
|
| 952 |
$this->p->debug->log( $log_prefix . ' array skipped: option is disabled' ); |
| 953 |
} |
| 954 |
|
| 955 |
} else $this->add_mt_singles( $mt_array, $tag, $type, $key, $value, $cmt, $mod ); |
| 956 |
} |
| 957 |
|
| 958 |
} else { |
| 959 |
|
| 960 |
foreach ( $mixed as $num => $value ) { |
| 961 |
|
| 962 |
$cmt_num = ltrim( $cmt . ':' . $name . ':' . ( $num + 1 ), ':' ); |
| 963 |
|
| 964 |
if ( is_array( $value ) ) { |
| 965 |
|
| 966 |
$this->add_mt_array( $mt_array, $tag, $type, $name, $value, $cmt_num, $mod, $use_image ); |
| 967 |
|
| 968 |
} else $this->add_mt_singles( $mt_array, $tag, $type, $name, $value, $cmt_num, $mod ); |
| 969 |
} |
| 970 |
} |
| 971 |
|
| 972 |
} else $this->add_mt_singles( $mt_array, $tag, $type, $name, $mixed, $cmt, $mod ); |
| 973 |
|
| 974 |
return $mt_array; |
| 975 |
} |
| 976 |
|
| 977 |
public function add_mt_singles( &$mt_array, $tag, $type, $name, $value, $cmt = '', $mod = false ) { |
| 978 |
|
| 979 |
static $last_secure_url = null; |
| 980 |
static $last_url = null; |
| 981 |
static $charset = null; |
| 982 |
|
| 983 |
if ( null === $charset ) { |
| 984 |
|
| 985 |
$charset = get_bloginfo( $show = 'charset', $filter = 'raw' ); |
| 986 |
} |
| 987 |
|
| 988 |
/* |
| 989 |
* Check for known exceptions for the "property" $type. |
| 990 |
*/ |
| 991 |
if ( 'meta' === $tag ) { |
| 992 |
|
| 993 |
if ( 'property' === $type ) { |
| 994 |
|
| 995 |
/* |
| 996 |
* Double-check the name to make sure its an open graph meta tag. |
| 997 |
*/ |
| 998 |
switch ( $name ) { |
| 999 |
|
| 1000 |
/* |
| 1001 |
* These names are not open graph meta tag names. |
| 1002 |
*/ |
| 1003 |
case ( strpos( $name, 'twitter:' ) === 0 ? true : false ): |
| 1004 |
case ( strpos( $name, 'schema:' ) === 0 ? true : false ): // Internal meta tags. |
| 1005 |
case ( strpos( $name, ':' ) === false ? true : false ): // No colon in $name. |
| 1006 |
|
| 1007 |
$type = 'name'; |
| 1008 |
|
| 1009 |
break; |
| 1010 |
} |
| 1011 |
|
| 1012 |
} elseif ( 'itemprop' === $type ) { |
| 1013 |
|
| 1014 |
/* |
| 1015 |
* If an "itemprop" contains a url, then make sure it's a "link". |
| 1016 |
*/ |
| 1017 |
if ( $tag !== 'link' && is_string( $value ) && false !== filter_var( $value, FILTER_VALIDATE_URL ) ) { |
| 1018 |
|
| 1019 |
$tag = 'link'; |
| 1020 |
} |
| 1021 |
} |
| 1022 |
} |
| 1023 |
|
| 1024 |
/* |
| 1025 |
* Check for "link rel href" and "link itemprop href" - all other meta tags use a 'content' attribute name. |
| 1026 |
*/ |
| 1027 |
$attr = 'link' === $tag ? 'href' : 'content'; |
| 1028 |
|
| 1029 |
$log_prefix = $tag . ' ' . $type . ' ' . $name; |
| 1030 |
|
| 1031 |
if ( null === $value ) { |
| 1032 |
|
| 1033 |
if ( $this->p->debug->enabled ) { |
| 1034 |
|
| 1035 |
$this->p->debug->log( $log_prefix . ' value is null (skipped)' ); |
| 1036 |
} |
| 1037 |
|
| 1038 |
return $mt_array; |
| 1039 |
|
| 1040 |
} elseif ( is_array( $value ) ) { |
| 1041 |
|
| 1042 |
if ( $this->p->debug->enabled ) { |
| 1043 |
|
| 1044 |
$this->p->debug->log( $log_prefix . ' value is an array (skipped)' ); |
| 1045 |
} |
| 1046 |
|
| 1047 |
return $mt_array; |
| 1048 |
|
| 1049 |
} elseif ( is_object( $value ) ) { |
| 1050 |
|
| 1051 |
if ( $this->p->debug->enabled ) { |
| 1052 |
|
| 1053 |
$this->p->debug->log( $log_prefix . ' value is an object (skipped)' ); |
| 1054 |
} |
| 1055 |
|
| 1056 |
return $mt_array; |
| 1057 |
} |
| 1058 |
|
| 1059 |
$singles = array(); |
| 1060 |
|
| 1061 |
switch ( $name ) { |
| 1062 |
|
| 1063 |
case 'og:image:secure_url': |
| 1064 |
case 'og:video:secure_url': |
| 1065 |
|
| 1066 |
/* |
| 1067 |
* The secure url meta tag should always come first, but just in case it doesn't, make sure |
| 1068 |
* the url value has not already been added. |
| 1069 |
*/ |
| 1070 |
if ( $last_url !== $value ) { // Just in case. |
| 1071 |
|
| 1072 |
if ( $value ) { |
| 1073 |
|
| 1074 |
$name_secure_url = $name; |
| 1075 |
$name_url = str_replace( ':secure_url', ':url', $name ); |
| 1076 |
$name_no_url = str_replace( ':secure_url', '', $name ); |
| 1077 |
|
| 1078 |
if ( SucomUtil::is_https( $value ) ) { |
| 1079 |
|
| 1080 |
$singles[] = array( '', $tag, $type, $name_secure_url, $attr, $value, $cmt ); |
| 1081 |
} |
| 1082 |
|
| 1083 |
$singles[] = array( '', $tag, $type, $name_url, $attr, $value, $cmt ); |
| 1084 |
|
| 1085 |
$singles[] = array( '', $tag, $type, $name_no_url, $attr, $value, $cmt ); |
| 1086 |
|
| 1087 |
$last_secure_url = $value; |
| 1088 |
|
| 1089 |
if ( $this->p->debug->enabled ) { |
| 1090 |
|
| 1091 |
$this->p->debug->log_arr( 'singles', $singles ); |
| 1092 |
} |
| 1093 |
} |
| 1094 |
} |
| 1095 |
|
| 1096 |
$last_url = null; |
| 1097 |
|
| 1098 |
break; |
| 1099 |
|
| 1100 |
case 'og:image:url': |
| 1101 |
case 'og:video:url': |
| 1102 |
|
| 1103 |
/* |
| 1104 |
* The previous switch block would have set all three meta tags already, so only proceed if |
| 1105 |
* the last secure url (empty or not) is not equal to the current url value (empty or not). |
| 1106 |
*/ |
| 1107 |
if ( $last_secure_url !== $value ) { // Just in case. |
| 1108 |
|
| 1109 |
if ( $value ) { |
| 1110 |
|
| 1111 |
$name_secure_url = str_replace( ':url', ':secure_url', $name ); |
| 1112 |
$name_url = $name; |
| 1113 |
$name_no_url = str_replace( ':url', '', $name ); |
| 1114 |
|
| 1115 |
if ( SucomUtil::is_https( $value ) ) { |
| 1116 |
|
| 1117 |
$singles[] = array( '', $tag, $type, $name_secure_url, $attr, $value, $cmt ); |
| 1118 |
} |
| 1119 |
|
| 1120 |
$singles[] = array( '', $tag, $type, $name_url, $attr, $value, $cmt ); |
| 1121 |
|
| 1122 |
$singles[] = array( '', $tag, $type, $name_no_url, $attr, $value, $cmt ); |
| 1123 |
|
| 1124 |
$last_url = $value; |
| 1125 |
|
| 1126 |
if ( $this->p->debug->enabled ) { |
| 1127 |
|
| 1128 |
$this->p->debug->log_arr( 'singles', $singles ); |
| 1129 |
} |
| 1130 |
} |
| 1131 |
} |
| 1132 |
|
| 1133 |
$last_secure_url = null; |
| 1134 |
|
| 1135 |
break; |
| 1136 |
|
| 1137 |
case 'og:image': |
| 1138 |
case 'og:video': |
| 1139 |
|
| 1140 |
/* |
| 1141 |
* The previous two switch blocks would have set all three meta tags aready, so only |
| 1142 |
* proceed if we have a value, and it does not match the last secure url (empty or not) or |
| 1143 |
* the last insecure url (empty or not). |
| 1144 |
*/ |
| 1145 |
if ( empty( $value ) || $value === $last_secure_url || $value === $last_url ) { |
| 1146 |
|
| 1147 |
break; |
| 1148 |
} |
| 1149 |
|
| 1150 |
// No break. |
| 1151 |
|
| 1152 |
default: |
| 1153 |
|
| 1154 |
$singles[] = array( '', $tag, $type, $name, $attr, $value, $cmt ); |
| 1155 |
|
| 1156 |
break; |
| 1157 |
} |
| 1158 |
|
| 1159 |
|
| 1160 |
/* |
| 1161 |
* $parts = array( $html, $tag, $type, $name, $attr, $value, $cmt ); |
| 1162 |
*/ |
| 1163 |
foreach ( $singles as $num => $parts ) { |
| 1164 |
|
| 1165 |
if ( ! array_key_exists( 6, $parts ) ) { // Just in case - check for missing $value element. |
| 1166 |
|
| 1167 |
if ( $this->p->debug->enabled ) { |
| 1168 |
|
| 1169 |
$this->p->debug->log( 'parts array is incomplete (skipped)' ); |
| 1170 |
|
| 1171 |
$this->p->debug->log_arr( 'parts', $parts ); |
| 1172 |
} |
| 1173 |
|
| 1174 |
continue; |
| 1175 |
} |
| 1176 |
|
| 1177 |
$log_prefix = $parts[ 1 ] . ' ' . $parts[ 2 ] . ' ' . $parts[ 3 ]; |
| 1178 |
|
| 1179 |
if ( $this->p->debug->enabled ) { |
| 1180 |
|
| 1181 |
$this->p->debug->log( $log_prefix . ' = "' . $parts[ 5 ] . '"' ); |
| 1182 |
} |
| 1183 |
|
| 1184 |
if ( '' === $parts[ 5 ] || null === $parts[ 5 ] ) { // Allow for 0. |
| 1185 |
|
| 1186 |
if ( $this->p->debug->enabled ) { |
| 1187 |
|
| 1188 |
$this->p->debug->log( $log_prefix . ' skipped: value is empty' ); |
| 1189 |
} |
| 1190 |
|
| 1191 |
$singles[ $num ][ 5 ] = ''; // Avoid null values in REST API output. |
| 1192 |
|
| 1193 |
continue; |
| 1194 |
|
| 1195 |
} elseif ( $parts[ 5 ] === WPSSO_UNDEF || $parts[ 5 ] === (string) WPSSO_UNDEF ) { |
| 1196 |
|
| 1197 |
if ( $this->p->debug->enabled ) { |
| 1198 |
|
| 1199 |
$this->p->debug->log( $log_prefix . ' skipped: value is ' . WPSSO_UNDEF ); |
| 1200 |
} |
| 1201 |
|
| 1202 |
continue; |
| 1203 |
} |
| 1204 |
|
| 1205 |
/* |
| 1206 |
* Encode and escape all values, regardless if the head tag is enabled or not. If the head tag is |
| 1207 |
* enabled, HTML will be created and saved in $parts[ 0 ]. |
| 1208 |
*/ |
| 1209 |
if ( 'itemprop' === $parts[ 2 ] && 0 !== strpos( $parts[ 3 ], '.' ) ) { |
| 1210 |
|
| 1211 |
$match_name = preg_replace( '/^.*\./', '', $parts[ 3 ] ); |
| 1212 |
|
| 1213 |
} else $match_name = $parts[ 3 ]; |
| 1214 |
|
| 1215 |
/* |
| 1216 |
* Boolean values are converted to their string equivalent. |
| 1217 |
*/ |
| 1218 |
if ( is_bool( $parts[ 5 ] ) ) { |
| 1219 |
|
| 1220 |
$parts[ 5 ] = $parts[ 5 ] ? 'true' : 'false'; |
| 1221 |
} |
| 1222 |
|
| 1223 |
switch ( $match_name ) { |
| 1224 |
|
| 1225 |
/* |
| 1226 |
* Description values that may include emoji. |
| 1227 |
*/ |
| 1228 |
case 'og:title': |
| 1229 |
case 'og:description': |
| 1230 |
case 'og:image:alt': |
| 1231 |
case 'twitter:title': |
| 1232 |
case 'twitter:description': |
| 1233 |
case 'twitter:image:alt': |
| 1234 |
case 'description': |
| 1235 |
case 'name': |
| 1236 |
|
| 1237 |
$parts[ 5 ] = SucomUtil::encode_html_emoji( $parts[ 5 ] ); // Does not double-encode. |
| 1238 |
|
| 1239 |
break; |
| 1240 |
|
| 1241 |
/* |
| 1242 |
* URL values that must be URL encoded. |
| 1243 |
*/ |
| 1244 |
case 'og:secure_url': |
| 1245 |
case 'og:url': |
| 1246 |
case 'og:image:secure_url': |
| 1247 |
case 'og:image:url': |
| 1248 |
case 'og:image': |
| 1249 |
case 'og:video:embed_url': |
| 1250 |
case 'og:video:secure_url': |
| 1251 |
case 'og:video:url': |
| 1252 |
case 'og:video': |
| 1253 |
case 'place:business:menu_url': |
| 1254 |
case 'place:business:order_url': |
| 1255 |
case 'twitter:image': |
| 1256 |
case 'twitter:player': |
| 1257 |
case 'canonical': |
| 1258 |
case 'shortlink': |
| 1259 |
case 'image': |
| 1260 |
case 'hasmenu': // Food establishment menu url. |
| 1261 |
case 'url': |
| 1262 |
|
| 1263 |
$parts[ 5 ] = SucomUtil::esc_url_encode( $parts[ 5 ] ); |
| 1264 |
|
| 1265 |
if ( $parts[ 2 ] === 'itemprop' ) { // An itemprop URL must be a 'link'. |
| 1266 |
|
| 1267 |
$parts[ 1 ] = 'link'; |
| 1268 |
$parts[ 4 ] = 'href'; |
| 1269 |
} |
| 1270 |
|
| 1271 |
break; |
| 1272 |
|
| 1273 |
/* |
| 1274 |
* Allow for mobile app / non-standard protocols. |
| 1275 |
*/ |
| 1276 |
case 'al:android:url': |
| 1277 |
case 'al:ios:url': |
| 1278 |
case 'al:web:url': |
| 1279 |
case 'twitter:app:url:iphone': |
| 1280 |
case 'twitter:app:url:ipad': |
| 1281 |
case 'twitter:app:url:googleplay': |
| 1282 |
|
| 1283 |
$parts[ 5 ] = SucomUtil::esc_url_encode( $parts[ 5 ], $esc_url = false ); |
| 1284 |
|
| 1285 |
break; |
| 1286 |
|
| 1287 |
/* |
| 1288 |
* Encode html entities for everything else. |
| 1289 |
*/ |
| 1290 |
default: |
| 1291 |
|
| 1292 |
$parts[ 5 ] = htmlentities( $parts[ 5 ], ENT_QUOTES, $charset, $double_encode = false ); |
| 1293 |
|
| 1294 |
break; |
| 1295 |
} |
| 1296 |
|
| 1297 |
/* |
| 1298 |
* Convert mixed case itemprop names to lower case. |
| 1299 |
*/ |
| 1300 |
$opt_key = strtolower( 'add_' . $parts[ 1 ] . '_' . $parts[ 2 ] . '_' . $parts[ 3 ] ); |
| 1301 |
|
| 1302 |
if ( ! empty( $this->p->options[ $opt_key ] ) || 0 === strpos( $match_name, 'wpsso-' ) ) { |
| 1303 |
|
| 1304 |
$parts_prefix = empty( $parts[ 6 ] ) ? '' : '<!-- ' . $parts[ 6 ] . ' -->'; |
| 1305 |
|
| 1306 |
$parts[ 0 ] = $parts_prefix . '<' . $parts[ 1 ] . ' ' . $parts[ 2 ] . '="' . $match_name . '" ' . |
| 1307 |
$parts[ 4 ] . '="' . $parts[ 5 ] . '"/>' . "\n"; |
| 1308 |
|
| 1309 |
} elseif ( $this->p->debug->enabled ) { |
| 1310 |
|
| 1311 |
if ( isset( $this->p->options[ $opt_key ] ) ) { |
| 1312 |
|
| 1313 |
$this->p->debug->log( $log_prefix . ' skipped: option is disabled' ); |
| 1314 |
|
| 1315 |
} else $this->p->debug->log( $log_prefix . ' skipped: internal meta tag' ); |
| 1316 |
} |
| 1317 |
|
| 1318 |
$mt_array[] = $parts; // Save the HTML and encoded value. |
| 1319 |
} |
| 1320 |
|
| 1321 |
unset( $singles, $num, $parts ); |
| 1322 |
|
| 1323 |
return $mt_array; |
| 1324 |
} |
| 1325 |
} |
| 1326 |
} |
| 1327 |
|