| 1 |
<?php |
| 2 |
/** |
| 3 |
* Critical CSS Core logic: |
| 4 |
* gets called by AO core, checks the rules and if a matching rule is found returns the associated CCSS. |
| 5 |
*/ |
| 6 |
|
| 7 |
if ( ! defined( 'ABSPATH' ) ) { |
| 8 |
exit; |
| 9 |
} |
| 10 |
|
| 11 |
class autoptimizeCriticalCSSCore { |
| 12 |
public function __construct() |
| 13 |
{ |
| 14 |
// fetch all options at once and populate them individually explicitely as globals. |
| 15 |
$all_options = autoptimizeCriticalCSSBase::fetch_options(); |
| 16 |
foreach ( $all_options as $_option => $_value ) { |
| 17 |
global ${$_option}; |
| 18 |
${$_option} = $_value; |
| 19 |
} |
| 20 |
|
| 21 |
$this->run(); |
| 22 |
} |
| 23 |
|
| 24 |
public function run() { |
| 25 |
global $ao_css_defer; |
| 26 |
global $ao_ccss_deferjquery; |
| 27 |
global $ao_ccss_key; |
| 28 |
global $ao_ccss_unloadccss; |
| 29 |
|
| 30 |
// add all filters to do CCSS if key present. |
| 31 |
if ( $ao_css_defer && isset( $ao_ccss_key ) && ! empty( $ao_ccss_key ) ) { |
| 32 |
// Set AO behavior: disable minification to avoid double minifying and caching. |
| 33 |
add_filter( 'autoptimize_filter_css_critcss_minify', '__return_false' ); |
| 34 |
add_filter( 'autoptimize_filter_css_defer_inline', array( $this, 'ao_ccss_frontend' ), 10, 1 ); |
| 35 |
|
| 36 |
// Add the action to enqueue jobs for CriticalCSS cron. |
| 37 |
add_action( 'autoptimize_action_css_hash', array( 'autoptimizeCriticalCSSEnqueue', 'ao_ccss_enqueue' ), 10, 1 ); |
| 38 |
|
| 39 |
// conditionally add the filter to defer jquery and others. |
| 40 |
if ( $ao_ccss_deferjquery ) { |
| 41 |
add_filter( 'autoptimize_html_after_minify', array( $this, 'ao_ccss_defer_jquery' ), 11, 1 ); |
| 42 |
} |
| 43 |
|
| 44 |
// conditionally add filter to unload the CCSS. |
| 45 |
if ( $ao_ccss_unloadccss ) { |
| 46 |
add_filter( 'autoptimize_html_after_minify', array( $this, 'ao_ccss_unloadccss' ), 12, 1 ); |
| 47 |
} |
| 48 |
|
| 49 |
// Order paths by length, as longest ones have greater priority in the rules. |
| 50 |
if ( ! empty( $ao_ccss_rules['paths'] ) ) { |
| 51 |
$keys = array_map( 'strlen', array_keys( $ao_ccss_rules['paths'] ) ); |
| 52 |
array_multisort( $keys, SORT_DESC, $ao_ccss_rules['paths'] ); |
| 53 |
} |
| 54 |
|
| 55 |
// Add an array with default WordPress's conditional tags |
| 56 |
// NOTE: these tags are sorted. |
| 57 |
global $ao_ccss_types; |
| 58 |
$ao_ccss_types = $this->get_ao_ccss_core_types(); |
| 59 |
|
| 60 |
// Extend conditional tags on plugin initalization. |
| 61 |
add_action( apply_filters( 'autoptimize_filter_ccss_extend_types_hook', 'init' ), array( $this, 'ao_ccss_extend_types' ) ); |
| 62 |
|
| 63 |
// When autoptimize cache is cleared, also clear transient cache for page templates. |
| 64 |
add_action( 'autoptimize_action_cachepurged', array( 'autoptimizeCriticalCSSCore', 'ao_ccss_clear_page_tpl_cache' ), 10, 0 ); |
| 65 |
} |
| 66 |
} |
| 67 |
|
| 68 |
public function ao_ccss_frontend( $inlined ) { |
| 69 |
// Apply CriticalCSS to frontend pages |
| 70 |
// Attach types and settings arrays. |
| 71 |
global $ao_ccss_types; |
| 72 |
global $ao_ccss_rules; |
| 73 |
global $ao_ccss_additional; |
| 74 |
global $ao_ccss_loggedin; |
| 75 |
global $ao_ccss_debug; |
| 76 |
global $ao_ccss_keyst; |
| 77 |
$no_ccss = ''; |
| 78 |
|
| 79 |
// Only if keystatus is OK and option to add CCSS for logged on users is on or user is not logged in. |
| 80 |
if ( ( $ao_ccss_keyst && 2 == $ao_ccss_keyst ) && ( $ao_ccss_loggedin || ! is_user_logged_in() ) ) { |
| 81 |
// Check for a valid CriticalCSS based on path to return its contents. |
| 82 |
$req_path = strtok( $_SERVER['REQUEST_URI'], '?' ); |
| 83 |
if ( ! empty( $ao_ccss_rules['paths'] ) ) { |
| 84 |
foreach ( $ao_ccss_rules['paths'] as $path => $rule ) { |
| 85 |
// explicit match OR partial match if MANUAL rule. |
| 86 |
if ( $req_path == $path || urldecode( $req_path ) == $path || ( false == $rule['hash'] && false != $rule['file'] && strpos( $req_path, str_replace( site_url(), '', $path ) ) !== false ) ) { |
| 87 |
if ( file_exists( AO_CCSS_DIR . $rule['file'] ) ) { |
| 88 |
$_ccss_contents = file_get_contents( AO_CCSS_DIR . $rule['file'] ); |
| 89 |
if ( 'none' != $_ccss_contents ) { |
| 90 |
if ( $ao_ccss_debug ) { |
| 91 |
$_ccss_contents = '/* PATH: ' . $path . ' hash: ' . $rule['hash'] . ' file: ' . $rule['file'] . ' */ ' . $_ccss_contents; |
| 92 |
} |
| 93 |
return apply_filters( 'autoptimize_filter_ccss_core_ccss', $_ccss_contents . $ao_ccss_additional ); |
| 94 |
} else { |
| 95 |
$no_ccss = 'none'; |
| 96 |
} |
| 97 |
} |
| 98 |
} |
| 99 |
} |
| 100 |
} |
| 101 |
|
| 102 |
// Check for a valid CriticalCSS based on conditional tags to return its contents. |
| 103 |
if ( ! empty( $ao_ccss_rules['types'] ) && 'none' !== $no_ccss ) { |
| 104 |
// order types-rules by the order of the original $ao_ccss_types array so as not to depend on the order in which rules were added. |
| 105 |
$ao_ccss_rules['types'] = array_replace( array_intersect_key( array_flip( $ao_ccss_types ), $ao_ccss_rules['types'] ), $ao_ccss_rules['types'] ); |
| 106 |
$is_front_page = is_front_page(); |
| 107 |
|
| 108 |
foreach ( $ao_ccss_rules['types'] as $type => $rule ) { |
| 109 |
if ( in_array( $type, $ao_ccss_types ) && file_exists( AO_CCSS_DIR . $rule['file'] ) ) { |
| 110 |
$_ccss_contents = file_get_contents( AO_CCSS_DIR . $rule['file'] ); |
| 111 |
if ( $is_front_page && 'is_front_page' == $type ) { |
| 112 |
if ( 'none' != $_ccss_contents ) { |
| 113 |
if ( $ao_ccss_debug ) { |
| 114 |
$_ccss_contents = '/* TYPES: ' . $type . ' hash: ' . $rule['hash'] . ' file: ' . $rule['file'] . ' */ ' . $_ccss_contents; |
| 115 |
} |
| 116 |
return apply_filters( 'autoptimize_filter_ccss_core_ccss', $_ccss_contents . $ao_ccss_additional ); |
| 117 |
} else { |
| 118 |
$no_ccss = 'none'; |
| 119 |
} |
| 120 |
} elseif ( strpos( $type, 'custom_post_' ) === 0 && ! $is_front_page ) { |
| 121 |
if ( get_post_type( get_the_ID() ) === substr( $type, 12 ) ) { |
| 122 |
if ( 'none' != $_ccss_contents ) { |
| 123 |
if ( $ao_ccss_debug ) { |
| 124 |
$_ccss_contents = '/* TYPES: ' . $type . ' hash: ' . $rule['hash'] . ' file: ' . $rule['file'] . ' */ ' . $_ccss_contents; |
| 125 |
} |
| 126 |
return apply_filters( 'autoptimize_filter_ccss_core_ccss', $_ccss_contents . $ao_ccss_additional ); |
| 127 |
} else { |
| 128 |
$no_ccss = 'none'; |
| 129 |
} |
| 130 |
} |
| 131 |
} elseif ( 0 === strpos( $type, 'template_' ) && ! $is_front_page ) { |
| 132 |
if ( is_page_template( substr( $type, 9 ) ) ) { |
| 133 |
if ( 'none' != $_ccss_contents ) { |
| 134 |
if ( $ao_ccss_debug ) { |
| 135 |
$_ccss_contents = '/* TYPES: ' . $type . ' hash: ' . $rule['hash'] . ' file: ' . $rule['file'] . ' */ ' . $_ccss_contents; |
| 136 |
} |
| 137 |
return apply_filters( 'autoptimize_filter_ccss_core_ccss', $_ccss_contents . $ao_ccss_additional ); |
| 138 |
} else { |
| 139 |
$no_ccss = 'none'; |
| 140 |
} |
| 141 |
} |
| 142 |
} elseif ( ! $is_front_page ) { |
| 143 |
// all "normal" conditional tags, core + woo + buddypress + edd + bbpress |
| 144 |
// but we have to remove the prefix for the non-core ones for them to function. |
| 145 |
$type = str_replace( array( 'woo_', 'bp_', 'bbp_', 'edd_' ), '', $type ); |
| 146 |
if ( function_exists( $type ) && call_user_func( $type ) ) { |
| 147 |
if ( 'none' != $_ccss_contents ) { |
| 148 |
if ( $ao_ccss_debug ) { |
| 149 |
$_ccss_contents = '/* TYPES: ' . $type . ' hash: ' . $rule['hash'] . ' file: ' . $rule['file'] . ' */ ' . $_ccss_contents; |
| 150 |
} |
| 151 |
return apply_filters( 'autoptimize_filter_ccss_core_ccss', $_ccss_contents . $ao_ccss_additional ); |
| 152 |
} else { |
| 153 |
$no_ccss = 'none'; |
| 154 |
} |
| 155 |
} |
| 156 |
} |
| 157 |
} |
| 158 |
} |
| 159 |
} |
| 160 |
} |
| 161 |
|
| 162 |
// Finally, inline the default CriticalCSS if any or else the entire CSS for the page |
| 163 |
// This also applies to logged in users if the option to add CCSS for logged in users has been disabled. |
| 164 |
if ( ! empty( $inlined ) && 'none' !== $no_ccss ) { |
| 165 |
return apply_filters( 'autoptimize_filter_ccss_core_ccss', $inlined . $ao_ccss_additional ); |
| 166 |
} else { |
| 167 |
add_filter( 'autoptimize_filter_css_inline', '__return_true' ); |
| 168 |
return; |
| 169 |
} |
| 170 |
} |
| 171 |
|
| 172 |
public function ao_ccss_defer_jquery( $in ) { |
| 173 |
global $ao_ccss_loggedin; |
| 174 |
// defer all linked and inline JS. |
| 175 |
if ( ( ! is_user_logged_in() || $ao_ccss_loggedin ) && preg_match_all( '#<script.*>(.*)</script>#Usmi', $in, $matches, PREG_SET_ORDER ) ) { |
| 176 |
foreach ( $matches as $match ) { |
| 177 |
if ( str_replace( apply_filters( 'autoptimize_filter_ccss_core_defer_exclude', array( 'data-noptimize="1"', 'data-cfasync="false"', 'data-pagespeed-no-defer' ) ), '', $match[0] ) !== $match[0] ) { |
| 178 |
// do not touch JS with noptimize/ cfasync/ pagespeed-no-defer flags. |
| 179 |
continue; |
| 180 |
} elseif ( '' !== $match[1] && ( ! preg_match( '/<script.* type\s?=.*>/', $match[0] ) || preg_match( '/type\s*=\s*[\'"]?(?:text|application)\/(?:javascript|ecmascript)[\'"]?/i', $match[0] ) ) ) { |
| 181 |
// base64-encode and defer all inline JS. |
| 182 |
$base64_js = '<script defer src="data:text/javascript;base64,' . base64_encode( $match[1] ) . '"></script>'; |
| 183 |
$in = str_replace( $match[0], $base64_js, $in ); |
| 184 |
} elseif ( str_replace( array( ' defer', ' async' ), '', $match[0] ) === $match[0] ) { |
| 185 |
// and defer linked JS unless already deferred or asynced. |
| 186 |
$new_match = str_replace( '<script ', '<script defer ', $match[0] ); |
| 187 |
$in = str_replace( $match[0], $new_match, $in ); |
| 188 |
} |
| 189 |
} |
| 190 |
} |
| 191 |
return $in; |
| 192 |
} |
| 193 |
|
| 194 |
public function ao_ccss_unloadccss( $html_in ) { |
| 195 |
// set media attrib of inline CCSS to none at onLoad to avoid it impacting full CSS (rarely needed). |
| 196 |
$_unloadccss_js = apply_filters( 'autoptimize_filter_ccss_core_unloadccss_js', '<script>window.addEventListener("load", function(event) {document.getElementById("aoatfcss").media="none";})</script>' ); |
| 197 |
|
| 198 |
if ( false !== strpos( $html_in, $_unloadccss_js . '</body>' ) ) { |
| 199 |
return $html_in; |
| 200 |
} |
| 201 |
|
| 202 |
return str_replace( '</body>', $_unloadccss_js . '</body>', $html_in ); |
| 203 |
} |
| 204 |
|
| 205 |
public function ao_ccss_extend_types() { |
| 206 |
// Extend contidional tags |
| 207 |
// Attach the conditional tags array. |
| 208 |
global $ao_ccss_types; |
| 209 |
|
| 210 |
// in some cases $ao_ccss_types is empty and/or not an array, this should work around that problem. |
| 211 |
if ( empty( $ao_ccss_types ) || ! is_array( $ao_ccss_types ) ) { |
| 212 |
$ao_ccss_types = get_ao_ccss_core_types(); |
| 213 |
autoptimizeCriticalCSSCore::ao_ccss_log( 'Empty types array in extend, refetching array with core conditionals.', 3 ); |
| 214 |
} |
| 215 |
|
| 216 |
// Custom Post Types. |
| 217 |
$cpts = get_post_types( |
| 218 |
array( |
| 219 |
'public' => true, |
| 220 |
'_builtin' => false, |
| 221 |
), |
| 222 |
'names', |
| 223 |
'and' |
| 224 |
); |
| 225 |
foreach ( $cpts as $cpt ) { |
| 226 |
array_unshift( $ao_ccss_types, 'custom_post_' . $cpt ); |
| 227 |
} |
| 228 |
|
| 229 |
// Templates. |
| 230 |
// Transient cache to avoid frequent disk reads. |
| 231 |
$templates = get_transient( 'autoptimize_ccss_page_templates' ); |
| 232 |
if ( ! $templates ) { |
| 233 |
$templates = wp_get_theme()->get_page_templates(); |
| 234 |
set_transient( 'autoptimize_ccss_page_templates', $templates, HOUR_IN_SECONDS ); |
| 235 |
} |
| 236 |
foreach ( $templates as $tplfile => $tplname ) { |
| 237 |
array_unshift( $ao_ccss_types, 'template_' . $tplfile ); |
| 238 |
} |
| 239 |
|
| 240 |
// bbPress tags. |
| 241 |
if ( function_exists( 'is_bbpress' ) ) { |
| 242 |
$ao_ccss_types = array_merge( |
| 243 |
array( |
| 244 |
'bbp_is_bbpress', |
| 245 |
'bbp_is_favorites', |
| 246 |
'bbp_is_forum_archive', |
| 247 |
'bbp_is_replies_created', |
| 248 |
'bbp_is_reply_edit', |
| 249 |
'bbp_is_reply_move', |
| 250 |
'bbp_is_search', |
| 251 |
'bbp_is_search_results', |
| 252 |
'bbp_is_single_forum', |
| 253 |
'bbp_is_single_reply', |
| 254 |
'bbp_is_single_topic', |
| 255 |
'bbp_is_single_user', |
| 256 |
'bbp_is_single_user_edit', |
| 257 |
'bbp_is_single_view', |
| 258 |
'bbp_is_subscriptions', |
| 259 |
'bbp_is_topic_archive', |
| 260 |
'bbp_is_topic_edit', |
| 261 |
'bbp_is_topic_merge', |
| 262 |
'bbp_is_topic_split', |
| 263 |
'bbp_is_topic_tag', |
| 264 |
'bbp_is_topic_tag_edit', |
| 265 |
'bbp_is_topics_created', |
| 266 |
'bbp_is_user_home', |
| 267 |
'bbp_is_user_home_edit', |
| 268 |
), $ao_ccss_types |
| 269 |
); |
| 270 |
} |
| 271 |
|
| 272 |
// BuddyPress tags. |
| 273 |
if ( function_exists( 'is_buddypress' ) ) { |
| 274 |
$ao_ccss_types = array_merge( |
| 275 |
array( |
| 276 |
'bp_is_activation_page', |
| 277 |
'bp_is_activity', |
| 278 |
'bp_is_blogs', |
| 279 |
'bp_is_buddypress', |
| 280 |
'bp_is_change_avatar', |
| 281 |
'bp_is_create_blog', |
| 282 |
'bp_is_friend_requests', |
| 283 |
'bp_is_friends', |
| 284 |
'bp_is_friends_activity', |
| 285 |
'bp_is_friends_screen', |
| 286 |
'bp_is_group_admin_page', |
| 287 |
'bp_is_group_create', |
| 288 |
'bp_is_group_forum', |
| 289 |
'bp_is_group_forum_topic', |
| 290 |
'bp_is_group_home', |
| 291 |
'bp_is_group_invites', |
| 292 |
'bp_is_group_leave', |
| 293 |
'bp_is_group_members', |
| 294 |
'bp_is_group_single', |
| 295 |
'bp_is_groups', |
| 296 |
'bp_is_messages', |
| 297 |
'bp_is_messages_compose_screen', |
| 298 |
'bp_is_messages_conversation', |
| 299 |
'bp_is_messages_inbox', |
| 300 |
'bp_is_messages_sentbox', |
| 301 |
'bp_is_my_activity', |
| 302 |
'bp_is_my_blogs', |
| 303 |
'bp_is_notices', |
| 304 |
'bp_is_profile_edit', |
| 305 |
'bp_is_register_page', |
| 306 |
'bp_is_settings_component', |
| 307 |
'bp_is_user', |
| 308 |
'bp_is_user_profile', |
| 309 |
'bp_is_wire', |
| 310 |
), $ao_ccss_types |
| 311 |
); |
| 312 |
} |
| 313 |
|
| 314 |
// Easy Digital Downloads (EDD) tags. |
| 315 |
if ( function_exists( 'edd_is_checkout' ) ) { |
| 316 |
$ao_ccss_types = array_merge( |
| 317 |
array( |
| 318 |
'edd_is_checkout', |
| 319 |
'edd_is_failed_transaction_page', |
| 320 |
'edd_is_purchase_history_page', |
| 321 |
'edd_is_success_page', |
| 322 |
), $ao_ccss_types |
| 323 |
); |
| 324 |
} |
| 325 |
|
| 326 |
// WooCommerce tags. |
| 327 |
if ( class_exists( 'WooCommerce' ) ) { |
| 328 |
$ao_ccss_types = array_merge( |
| 329 |
array( |
| 330 |
'woo_is_account_page', |
| 331 |
'woo_is_cart', |
| 332 |
'woo_is_checkout', |
| 333 |
'woo_is_product', |
| 334 |
'woo_is_product_category', |
| 335 |
'woo_is_product_tag', |
| 336 |
'woo_is_shop', |
| 337 |
'woo_is_wc_endpoint_url', |
| 338 |
'woo_is_woocommerce', |
| 339 |
), $ao_ccss_types |
| 340 |
); |
| 341 |
} |
| 342 |
} |
| 343 |
|
| 344 |
public function get_ao_ccss_core_types() { |
| 345 |
global $ao_ccss_types; |
| 346 |
if ( empty( $ao_ccss_types ) || ! is_array( $ao_ccss_types ) ) { |
| 347 |
return array( |
| 348 |
'is_404', |
| 349 |
'is_archive', |
| 350 |
'is_author', |
| 351 |
'is_category', |
| 352 |
'is_front_page', |
| 353 |
'is_home', |
| 354 |
'is_page', |
| 355 |
'is_post', |
| 356 |
'is_search', |
| 357 |
'is_attachment', |
| 358 |
'is_single', |
| 359 |
'is_sticky', |
| 360 |
'is_paged', |
| 361 |
); |
| 362 |
} else { |
| 363 |
return $ao_ccss_types; |
| 364 |
} |
| 365 |
} |
| 366 |
|
| 367 |
public static function ao_ccss_key_status( $render ) { |
| 368 |
// Provide key status |
| 369 |
// Get key and key status. |
| 370 |
global $ao_ccss_key; |
| 371 |
global $ao_ccss_keyst; |
| 372 |
$self = new self(); |
| 373 |
$key = $ao_ccss_key; |
| 374 |
$key_status = $ao_ccss_keyst; |
| 375 |
|
| 376 |
// Prepare returned variables. |
| 377 |
$key_return = array(); |
| 378 |
$status = false; |
| 379 |
|
| 380 |
if ( $key && 2 == $key_status ) { |
| 381 |
// Key exists and its status is valid. |
| 382 |
// Set valid key status. |
| 383 |
$status = 'valid'; |
| 384 |
$status_msg = __( 'Valid' ); |
| 385 |
$color = '#46b450'; // Green. |
| 386 |
$message = null; |
| 387 |
} elseif ( $key && 1 == $key_status ) { |
| 388 |
// Key exists but its validation has failed. |
| 389 |
// Set invalid key status. |
| 390 |
$status = 'invalid'; |
| 391 |
$status_msg = __( 'Invalid' ); |
| 392 |
$color = '#dc3232'; // Red. |
| 393 |
$message = __( 'Your API key is invalid. Please enter a valid <a href="https://criticalcss.com/?aff=1" target="_blank">criticalcss.com</a> key.', 'autoptimize' ); |
| 394 |
} elseif ( $key && ! $key_status ) { |
| 395 |
// Key exists but it has no valid status yet |
| 396 |
// Perform key validation. |
| 397 |
$key_check = $self->ao_ccss_key_validation( $key ); |
| 398 |
|
| 399 |
// Key is valid, set valid status. |
| 400 |
if ( $key_check ) { |
| 401 |
$status = 'valid'; |
| 402 |
$status_msg = __( 'Valid' ); |
| 403 |
$color = '#46b450'; // Green. |
| 404 |
$message = null; |
| 405 |
} else { |
| 406 |
// Key is invalid, set invalid status. |
| 407 |
$status = 'invalid'; |
| 408 |
$status_msg = __( 'Invalid' ); |
| 409 |
$color = '#dc3232'; // Red. |
| 410 |
if ( get_option( 'autoptimize_ccss_keyst' ) == 1 ) { |
| 411 |
$message = __( 'Your API key is invalid. Please enter a valid <a href="https://criticalcss.com/?aff=1" target="_blank">criticalcss.com</a> key.', 'autoptimize' ); |
| 412 |
} else { |
| 413 |
$message = __( 'Something went wrong when checking your API key, make sure you server can communicate with https://criticalcss.com and/ or try again later.', 'autoptimize' ); |
| 414 |
} |
| 415 |
} |
| 416 |
} else { |
| 417 |
// No key nor status |
| 418 |
// Set no key status. |
| 419 |
$status = 'nokey'; |
| 420 |
$status_msg = __( 'None' ); |
| 421 |
$color = '#ffb900'; // Yellow. |
| 422 |
$message = __( 'Please enter a valid <a href="https://criticalcss.com/?aff=1" target="_blank">criticalcss.com</a> API key to start.', 'autoptimize' ); |
| 423 |
} |
| 424 |
|
| 425 |
// Fill returned values. |
| 426 |
$key_return['status'] = $status; |
| 427 |
// Provide rendering information if required. |
| 428 |
if ( $render ) { |
| 429 |
$key_return['stmsg'] = $status_msg; |
| 430 |
$key_return['color'] = $color; |
| 431 |
$key_return['msg'] = $message; |
| 432 |
} |
| 433 |
|
| 434 |
// Return key status. |
| 435 |
return $key_return; |
| 436 |
} |
| 437 |
|
| 438 |
public function ao_ccss_key_validation( $key ) { |
| 439 |
global $ao_ccss_noptimize; |
| 440 |
|
| 441 |
// POST a dummy job to criticalcss.com to check for key validation |
| 442 |
// Prepare home URL for the request. |
| 443 |
$src_url = get_home_url(); |
| 444 |
|
| 445 |
// Avoid AO optimizations if required by config or avoid lazyload if lazyload is active in AO. |
| 446 |
if ( ! empty( $ao_ccss_noptimize ) ) { |
| 447 |
$src_url .= '?ao_noptirocket=1'; |
| 448 |
} elseif ( class_exists( 'autoptimizeImages', false ) && autoptimizeImages::should_lazyload_wrapper() ) { |
| 449 |
$src_url .= '?ao_nolazy=1'; |
| 450 |
} |
| 451 |
|
| 452 |
$src_url = apply_filters( 'autoptimize_filter_ccss_cron_srcurl', $src_url ); |
| 453 |
|
| 454 |
// Prepare the request. |
| 455 |
$url = esc_url_raw( AO_CCSS_API . 'generate' ); |
| 456 |
$args = array( |
| 457 |
'headers' => array( |
| 458 |
'User-Agent' => 'Autoptimize v' . AO_CCSS_VER, |
| 459 |
'Content-type' => 'application/json; charset=utf-8', |
| 460 |
'Authorization' => 'JWT ' . $key, |
| 461 |
'Connection' => 'close', |
| 462 |
), |
| 463 |
// Body must be JSON. |
| 464 |
'body' => json_encode( |
| 465 |
apply_filters( 'autoptimize_ccss_cron_api_generate_body', |
| 466 |
array( |
| 467 |
'url' => $src_url, |
| 468 |
'aff' => 1, |
| 469 |
'aocssv' => AO_CCSS_VER, |
| 470 |
) |
| 471 |
) |
| 472 |
), |
| 473 |
); |
| 474 |
|
| 475 |
// Dispatch the request and store its response code. |
| 476 |
$req = wp_safe_remote_post( $url, $args ); |
| 477 |
$code = wp_remote_retrieve_response_code( $req ); |
| 478 |
$body = json_decode( wp_remote_retrieve_body( $req ), true ); |
| 479 |
|
| 480 |
if ( 200 == $code ) { |
| 481 |
// Response is OK. |
| 482 |
// Set key status as valid and log key check. |
| 483 |
update_option( 'autoptimize_ccss_keyst', 2 ); |
| 484 |
autoptimizeCriticalCSSCore::ao_ccss_log( 'criticalcss.com: API key is valid, updating key status', 3 ); |
| 485 |
|
| 486 |
// extract job-id from $body and put it in the queue as a P job |
| 487 |
// but only if no jobs and no rules! |
| 488 |
global $ao_ccss_queue; |
| 489 |
global $ao_ccss_rules; |
| 490 |
|
| 491 |
if ( 0 == count( $ao_ccss_queue ) && 0 == count( $ao_ccss_rules['types'] ) && 0 == count( $ao_ccss_rules['paths'] ) ) { |
| 492 |
if ( 'JOB_QUEUED' == $body['job']['status'] || 'JOB_ONGOING' == $body['job']['status'] ) { |
| 493 |
$jprops['ljid'] = 'firstrun'; |
| 494 |
$jprops['rtarget'] = 'types|is_front_page'; |
| 495 |
$jprops['ptype'] = 'is_front_page'; |
| 496 |
$jprops['hashes'][] = 'dummyhash'; |
| 497 |
$jprops['hash'] = 'dummyhash'; |
| 498 |
$jprops['file'] = null; |
| 499 |
$jprops['jid'] = $body['job']['id']; |
| 500 |
$jprops['jqstat'] = $body['job']['status']; |
| 501 |
$jprops['jrstat'] = null; |
| 502 |
$jprops['jvstat'] = null; |
| 503 |
$jprops['jctime'] = microtime( true ); |
| 504 |
$jprops['jftime'] = null; |
| 505 |
$ao_ccss_queue['/'] = $jprops; |
| 506 |
$ao_ccss_queue_raw = json_encode( $ao_ccss_queue ); |
| 507 |
update_option( 'autoptimize_ccss_queue', $ao_ccss_queue_raw, false ); |
| 508 |
autoptimizeCriticalCSSCore::ao_ccss_log( 'Created P job for is_front_page based on API key check response.', 3 ); |
| 509 |
} |
| 510 |
} |
| 511 |
return true; |
| 512 |
} elseif ( 401 == $code ) { |
| 513 |
// Response is unauthorized |
| 514 |
// Set key status as invalid and log key check. |
| 515 |
update_option( 'autoptimize_ccss_keyst', 1 ); |
| 516 |
autoptimizeCriticalCSSCore::ao_ccss_log( 'criticalcss.com: API key is invalid, updating key status', 3 ); |
| 517 |
return false; |
| 518 |
} else { |
| 519 |
// Response unkown |
| 520 |
// Log key check attempt. |
| 521 |
autoptimizeCriticalCSSCore::ao_ccss_log( 'criticalcss.com: could not check API key status, this is a service error, body follows if any...', 2 ); |
| 522 |
if ( ! empty( $body ) ) { |
| 523 |
autoptimizeCriticalCSSCore::ao_ccss_log( print_r( $body, true ), 2 ); |
| 524 |
} |
| 525 |
if ( is_wp_error( $req ) ) { |
| 526 |
autoptimizeCriticalCSSCore::ao_ccss_log( $req->get_error_message(), 2 ); |
| 527 |
} |
| 528 |
return false; |
| 529 |
} |
| 530 |
} |
| 531 |
|
| 532 |
public static function ao_ccss_viewport() { |
| 533 |
// Get viewport size |
| 534 |
// Attach viewport option. |
| 535 |
global $ao_ccss_viewport; |
| 536 |
|
| 537 |
// Prepare viewport array. |
| 538 |
$viewport = array(); |
| 539 |
|
| 540 |
// Viewport Width. |
| 541 |
if ( ! empty( $ao_ccss_viewport['w'] ) ) { |
| 542 |
$viewport['w'] = $ao_ccss_viewport['w']; |
| 543 |
} else { |
| 544 |
$viewport['w'] = ''; |
| 545 |
} |
| 546 |
|
| 547 |
// Viewport Height. |
| 548 |
if ( ! empty( $ao_ccss_viewport['h'] ) ) { |
| 549 |
$viewport['h'] = $ao_ccss_viewport['h']; |
| 550 |
} else { |
| 551 |
$viewport['h'] = ''; |
| 552 |
} |
| 553 |
|
| 554 |
return $viewport; |
| 555 |
} |
| 556 |
|
| 557 |
public static function ao_ccss_check_contents( $ccss ) { |
| 558 |
// Perform basic exploit avoidance and CSS validation. |
| 559 |
if ( ! empty( $ccss ) ) { |
| 560 |
// Try to avoid code injection. |
| 561 |
$blocklist = array( '#!/', 'function(', '<script', '<?php' ); |
| 562 |
foreach ( $blocklist as $blocklisted ) { |
| 563 |
if ( strpos( $ccss, $blocklisted ) !== false ) { |
| 564 |
autoptimizeCriticalCSSCore::ao_ccss_log( 'Critical CSS received contained blocklisted content.', 2 ); |
| 565 |
return false; |
| 566 |
} |
| 567 |
} |
| 568 |
|
| 569 |
// Check for most basics CSS structures. |
| 570 |
$needlist = array( '{', '}', ':' ); |
| 571 |
foreach ( $needlist as $needed ) { |
| 572 |
if ( false === strpos( $ccss, $needed ) && 'none' !== $ccss ) { |
| 573 |
autoptimizeCriticalCSSCore::ao_ccss_log( 'Critical CSS received did not seem to contain real CSS.', 2 ); |
| 574 |
return false; |
| 575 |
} |
| 576 |
} |
| 577 |
} |
| 578 |
|
| 579 |
// Return true if file critical CSS is sane. |
| 580 |
return true; |
| 581 |
} |
| 582 |
|
| 583 |
public static function ao_ccss_log( $msg, $lvl ) { |
| 584 |
// Commom logging facility |
| 585 |
// Attach debug option. |
| 586 |
global $ao_ccss_debug; |
| 587 |
|
| 588 |
// Prepare log levels, where accepted $lvl are: |
| 589 |
// 1: II (for info) |
| 590 |
// 2: EE (for error) |
| 591 |
// 3: DD (for debug) |
| 592 |
// Default: UU (for unkown). |
| 593 |
$level = false; |
| 594 |
switch ( $lvl ) { |
| 595 |
case 1: |
| 596 |
$level = 'II'; |
| 597 |
break; |
| 598 |
case 2: |
| 599 |
$level = 'EE'; |
| 600 |
break; |
| 601 |
case 3: |
| 602 |
// Output debug messages only if debug mode is enabled. |
| 603 |
if ( $ao_ccss_debug ) { |
| 604 |
$level = 'DD'; |
| 605 |
} |
| 606 |
break; |
| 607 |
default: |
| 608 |
$level = 'UU'; |
| 609 |
} |
| 610 |
|
| 611 |
// Prepare and write a log message if there's a valid level. |
| 612 |
if ( $level ) { |
| 613 |
|
| 614 |
// Prepare message. |
| 615 |
$message = date( 'c' ) . ' - [' . $level . '] ' . htmlentities( $msg ) . '<br>'; |
| 616 |
|
| 617 |
// Write message to log file. |
| 618 |
error_log( $message, 3, AO_CCSS_LOG ); |
| 619 |
} |
| 620 |
} |
| 621 |
|
| 622 |
public static function ao_ccss_clear_page_tpl_cache() { |
| 623 |
// Clears transient cache for page templates. |
| 624 |
delete_transient( 'autoptimize_ccss_page_templates' ); |
| 625 |
} |
| 626 |
|
| 627 |
} |
| 628 |
|
