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Autoptimize / 2.4.1
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autoptimize / classes / autoptimizeExtra.php

autoptimizeExtra.php in Autoptimize 2.4.1, at classes/autoptimizeExtra.php

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1 <?php
2 /**
3 * Handles autoptimizeExtra frontend features + admin options page
4 */
5
6 if ( ! defined( 'ABSPATH' ) ) {
7 exit;
8 }
9
10 class autoptimizeExtra
11 {
12 /**
13 * Options
14 *
15 * @var array
16 */
17 protected $options = array();
18
19 /**
20 * Creates an instance and calls run().
21 *
22 * @param array $options Optional. Allows overriding options without having to specify them via admin options page.
23 */
24 public function __construct( $options = array() )
25 {
26 if ( empty( $options ) ) {
27 $options = $this->fetch_options();
28 }
29
30 $this->options = $options;
31 }
32
33 public function run()
34 {
35 if ( is_admin() ) {
36 add_action( 'admin_menu', array( $this, 'admin_menu' ) );
37 add_filter( 'autoptimize_filter_settingsscreen_tabs', array( $this, 'add_extra_tab' ) );
38 } else {
39 $this->run_on_frontend();
40 }
41 }
42
43 protected function fetch_options()
44 {
45 $value = get_option( 'autoptimize_extra_settings' );
46 if ( empty( $value ) ) {
47 // Fallback to returning defaults when no stored option exists yet.
48 $value = autoptimizeConfig::get_ao_extra_default_options();
49 }
50
51 // get service availability.
52 $value['availabilities'] = get_option( 'autoptimize_service_availablity' );
53
54 if ( empty( $value['availabilities'] ) ) {
55 $value['availabilities'] = autoptimizeUtils::check_service_availability( true );
56 }
57
58 return $value;
59 }
60
61 public function disable_emojis()
62 {
63 // Removing all actions related to emojis!
64 remove_action( 'admin_print_styles', 'print_emoji_styles' );
65 remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
66 remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
67 remove_action( 'wp_print_styles', 'print_emoji_styles' );
68 remove_filter( 'wp_mail', 'wp_staticize_emoji_for_email' );
69 remove_filter( 'the_content_feed', 'wp_staticize_emoji' );
70 remove_filter( 'comment_text_rss', 'wp_staticize_emoji' );
71
72 // Removes TinyMCE emojis.
73 add_filter( 'tiny_mce_plugins', array( $this, 'filter_disable_emojis_tinymce' ) );
74
75 // Removes emoji dns-preftech.
76 add_filter( 'wp_resource_hints', array( $this, 'filter_remove_emoji_dns_prefetch' ), 10, 2 );
77 }
78
79 public function filter_disable_emojis_tinymce( $plugins )
80 {
81 if ( is_array( $plugins ) ) {
82 return array_diff( $plugins, array( 'wpemoji' ) );
83 } else {
84 return array();
85 }
86 }
87
88 public function filter_remove_qs( $src ) {
89 if ( strpos( $src, '?ver=' ) ) {
90 $src = remove_query_arg( 'ver', $src );
91 }
92
93 return $src;
94 }
95
96 public function extra_async_js( $in )
97 {
98 $exclusions = array();
99 if ( ! empty( $in ) ) {
100 $exclusions = array_fill_keys( array_filter( array_map( 'trim', explode( ',', $in ) ) ), '' );
101 }
102
103 $settings = $this->options['autoptimize_extra_text_field_3'];
104 $async = array_fill_keys( array_filter( array_map( 'trim', explode( ',', $settings ) ) ), '' );
105 $attr = apply_filters( 'autoptimize_filter_extra_async', 'async' );
106 foreach ( $async as $k => $v ) {
107 $async[ $k ] = $attr;
108 }
109
110 // Merge exclusions & asyncs in one array and return to AO API.
111 $merged = array_merge( $exclusions, $async );
112
113 return $merged;
114 }
115
116 protected function run_on_frontend()
117 {
118 $options = $this->options;
119
120 // Disable emojis if specified.
121 if ( ! empty( $options['autoptimize_extra_checkbox_field_1'] ) ) {
122 $this->disable_emojis();
123 }
124
125 // Remove version query parameters.
126 if ( ! empty( $options['autoptimize_extra_checkbox_field_0'] ) ) {
127 add_filter( 'script_loader_src', array( $this, 'filter_remove_qs' ), 15, 1 );
128 add_filter( 'style_loader_src', array( $this, 'filter_remove_qs' ), 15, 1 );
129 }
130
131 // Making sure is_plugin_active() exists when we need it.
132 if ( ! function_exists( 'is_plugin_active' ) ) {
133 require_once ABSPATH . 'wp-admin/includes/plugin.php';
134 }
135 // Avoiding conflicts of interest when async-javascript plugin is active!
136 $async_js_plugin_active = false;
137 if ( function_exists( 'is_plugin_active' ) && is_plugin_active( 'async-javascript/async-javascript.php' ) ) {
138 $async_js_plugin_active = true;
139 }
140 if ( ! empty( $options['autoptimize_extra_text_field_3'] ) && ! $async_js_plugin_active ) {
141 add_filter( 'autoptimize_filter_js_exclude', array( $this, 'extra_async_js' ), 10, 1 );
142 }
143
144 // Optimize google fonts!
145 if ( ! empty( $options['autoptimize_extra_radio_field_4'] ) && ( '1' !== $options['autoptimize_extra_radio_field_4'] ) ) {
146 add_filter( 'wp_resource_hints', array( $this, 'filter_remove_gfonts_dnsprefetch' ), 10, 2 );
147 add_filter( 'autoptimize_html_after_minify', array( $this, 'filter_optimize_google_fonts' ), 10, 1 );
148 add_filter( 'autoptimize_extra_filter_tobepreconn', array( $this, 'filter_preconnect_google_fonts' ), 10, 1 );
149 }
150
151 // Preconnect!
152 if ( ! empty( $options['autoptimize_extra_text_field_2'] ) || has_filter( 'autoptimize_extra_filter_tobepreconn' ) ) {
153 add_filter( 'wp_resource_hints', array( $this, 'filter_preconnect' ), 10, 2 );
154 }
155
156 // Optimize Images!
157 if ( ! empty( $options['autoptimize_extra_checkbox_field_5'] ) && 'down' !== $options['availabilities']['extra_imgopt']['status'] && ( 'launch' !== $options['availabilities']['extra_imgopt']['status'] || $this->imgopt_launch_ok() ) ) {
158 if ( apply_filters( 'autoptimize_filter_extra_imgopt_do', true ) ) {
159 add_filter( 'autoptimize_html_after_minify', array( $this, 'filter_optimize_images' ), 10, 1 );
160 $_imgopt_active = true;
161 }
162 if ( apply_filters( 'autoptimize_filter_extra_imgopt_do_css', true ) ) {
163 add_filter( 'autoptimize_filter_base_replace_cdn', array( $this, 'filter_optimize_css_images' ), 10, 1 );
164 $_imgopt_active = true;
165 }
166 if ( $_imgopt_active ) {
167 add_filter( 'autoptimize_extra_filter_tobepreconn', array( $this, 'filter_preconnect_imgopt_url' ), 10, 1 );
168 }
169 }
170 }
171
172 public function filter_remove_emoji_dns_prefetch( $urls, $relation_type )
173 {
174 $emoji_svg_url = apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/' );
175
176 return $this->filter_remove_dns_prefetch( $urls, $relation_type, $emoji_svg_url );
177 }
178
179 public function filter_remove_gfonts_dnsprefetch( $urls, $relation_type )
180 {
181 return $this->filter_remove_dns_prefetch( $urls, $relation_type, 'fonts.googleapis.com' );
182 }
183
184 public function filter_remove_dns_prefetch( $urls, $relation_type, $url_to_remove )
185 {
186 if ( 'dns-prefetch' === $relation_type ) {
187 $cnt = 0;
188 foreach ( $urls as $url ) {
189 if ( false !== strpos( $url, $url_to_remove ) ) {
190 unset( $urls[ $cnt ] );
191 }
192 $cnt++;
193 }
194 }
195
196 return $urls;
197 }
198
199 public function filter_optimize_google_fonts( $in )
200 {
201 // Extract fonts, partly based on wp rocket's extraction code.
202 $markup = preg_replace( '/<!--(.*)-->/Uis', '', $in );
203 preg_match_all( '#<link(?:\s+(?:(?!href\s*=\s*)[^>])+)?(?:\s+href\s*=\s*([\'"])((?:https?:)?\/\/fonts\.googleapis\.com\/css(?:(?!\1).)+)\1)(?:\s+[^>]*)?>#iU', $markup, $matches );
204
205 $fonts_collection = array();
206 if ( ! $matches[2] ) {
207 return $in;
208 }
209
210 // Store them in $fonts array.
211 $i = 0;
212 foreach ( $matches[2] as $font ) {
213 if ( ! preg_match( '/rel=["\']dns-prefetch["\']/', $matches[0][ $i ] ) ) {
214 // Get fonts name.
215 $font = str_replace( array( '%7C', '%7c' ), '|', $font );
216 $font = explode( 'family=', $font );
217 $font = ( isset( $font[1] ) ) ? explode( '&', $font[1] ) : array();
218 // Add font to $fonts[$i] but make sure not to pollute with an empty family!
219 $_thisfont = array_values( array_filter( explode( '|', reset( $font ) ) ) );
220 if ( ! empty( $_thisfont ) ) {
221 $fonts_collection[ $i ]['fonts'] = $_thisfont;
222 // And add subset if any!
223 $subset = ( is_array( $font ) ) ? end( $font ) : '';
224 if ( false !== strpos( $subset, 'subset=' ) ) {
225 $subset = explode( 'subset=', $subset );
226 $fonts_collection[ $i ]['subsets'] = explode( ',', $subset[1] );
227 }
228 }
229 // And remove Google Fonts.
230 $in = str_replace( $matches[0][ $i ], '', $in );
231 }
232 $i++;
233 }
234
235 $options = $this->options;
236 $fonts_markup = '';
237 if ( '2' === $options['autoptimize_extra_radio_field_4'] ) {
238 // Remove Google Fonts.
239 unset( $fonts_collection );
240 return $in;
241 } elseif ( '3' === $options['autoptimize_extra_radio_field_4'] || '5' === $options['autoptimize_extra_radio_field_4'] ) {
242 // Aggregate & link!
243 $fonts_string = '';
244 $subset_string = '';
245 foreach ( $fonts_collection as $font ) {
246 $fonts_string .= '|' . trim( implode( '|', $font['fonts'] ), '|' );
247 if ( ! empty( $font['subsets'] ) ) {
248 $subset_string .= implode( ',', $font['subsets'] );
249 }
250 }
251
252 if ( ! empty( $subset_string ) ) {
253 $fonts_string = $fonts_string . '&#038;subset=' . $subset_string;
254 }
255
256 $fonts_string = str_replace( '|', '%7C', ltrim( $fonts_string, '|' ) );
257
258 if ( ! empty( $fonts_string ) ) {
259 if ( '5' === $options['autoptimize_extra_radio_field_4'] ) {
260 $rel_string = 'rel="preload" as="style" onload="' . autoptimizeConfig::get_ao_css_preload_onload() . '"';
261 } else {
262 $rel_string = 'rel="stylesheet"';
263 }
264 $fonts_markup = '<link ' . $rel_string . ' id="ao_optimized_gfonts" href="https://fonts.googleapis.com/css?family=' . $fonts_string . '" />';
265 }
266 } elseif ( '4' === $options['autoptimize_extra_radio_field_4'] ) {
267 // Aggregate & load async (webfont.js impl.)!
268 $fonts_array = array();
269 foreach ( $fonts_collection as $_fonts ) {
270 if ( ! empty( $_fonts['subsets'] ) ) {
271 $_subset = implode( ',', $_fonts['subsets'] );
272 foreach ( $_fonts['fonts'] as $key => $_one_font ) {
273 $_one_font = $_one_font . ':' . $_subset;
274 $_fonts['fonts'][ $key ] = $_one_font;
275 }
276 }
277 $fonts_array = array_merge( $fonts_array, $_fonts['fonts'] );
278 }
279
280 $fonts_markup = '<script data-cfasync="false" id="ao_optimized_gfonts" type="text/javascript">WebFontConfig={google:{families:[\'';
281 foreach ( $fonts_array as $fnt ) {
282 $fonts_markup .= $fnt . "','";
283 }
284 $fonts_markup = trim( trim( $fonts_markup, "'" ), ',' );
285 $fonts_markup .= '] },classes:false, events:false, timeout:1500};(function() {var wf = document.createElement(\'script\');wf.src=\'https://ajax.googleapis.com/ajax/libs/webfont/1/webfont.js\';wf.type=\'text/javascript\';wf.async=\'true\';var s=document.getElementsByTagName(\'script\')[0];s.parentNode.insertBefore(wf, s);})();</script>';
286 }
287
288 // Replace back in markup.
289 $out = substr_replace( $in, $fonts_markup . '<link', strpos( $in, '<link' ), strlen( '<link' ) );
290 unset( $fonts_collection );
291
292 // and insert preload polyfill if "link preload" and if the polyfill isn't there yet (courtesy of inline&defer).
293 $preload_polyfill = autoptimizeConfig::get_ao_css_preload_polyfill();
294 if ( '5' === $options['autoptimize_extra_radio_field_4'] && strpos( $out, $preload_polyfill ) === false ) {
295 $out = str_replace( '</body>', $preload_polyfill . '</body>', $out );
296 }
297 return $out;
298 }
299
300 public function filter_preconnect( $hints, $relation_type )
301 {
302 $options = $this->options;
303
304 // Get settings and store in array.
305 $preconns = array_filter( array_map( 'trim', explode( ',', $options['autoptimize_extra_text_field_2'] ) ) );
306 $preconns = apply_filters( 'autoptimize_extra_filter_tobepreconn', $preconns );
307
308 // Walk array, extract domain and add to new array with crossorigin attribute.
309 foreach ( $preconns as $preconn ) {
310 $parsed = parse_url( $preconn );
311
312 if ( is_array( $parsed ) && empty( $parsed['scheme'] ) ) {
313 $domain = '//' . $parsed['host'];
314 } elseif ( is_array( $parsed ) ) {
315 $domain = $parsed['scheme'] . '://' . $parsed['host'];
316 }
317
318 if ( ! empty( $domain ) ) {
319 $hint = array( 'href' => $domain );
320 // Fonts don't get preconnected unless crossorigin flag is set, non-fonts don't get preconnected if origin flag is set
321 // so hardcode fonts.gstatic.com to come with crossorigin and have filter to add other domains if needed.
322 $crossorigins = apply_filters( 'autoptimize_extra_filter_preconn_crossorigin', array( 'https://fonts.gstatic.com' ) );
323 if ( in_array( $domain, $crossorigins ) ) {
324 $hint['crossorigin'] = 'anonymous';
325 }
326 $new_hints[] = $hint;
327 }
328 }
329
330 // Merge in WP's preconnect hints.
331 if ( 'preconnect' === $relation_type && ! empty( $new_hints ) ) {
332 $hints = array_merge( $hints, $new_hints );
333 }
334
335 return $hints;
336 }
337
338 public function filter_preconnect_google_fonts( $in )
339 {
340 if ( '2' !== $this->options['autoptimize_extra_radio_field_4'] ) {
341 // Preconnect to fonts.gstatic.com unless we remove gfonts.
342 $in[] = 'https://fonts.gstatic.com';
343 }
344
345 if ( '4' === $this->options['autoptimize_extra_radio_field_4'] ) {
346 // Preconnect even more hosts for webfont.js!
347 $in[] = 'https://ajax.googleapis.com';
348 $in[] = 'https://fonts.googleapis.com';
349 }
350
351 return $in;
352 }
353
354 public function filter_optimize_images( $in )
355 {
356 /*
357 * potential future functional improvements:
358 *
359 * picture element.
360 * filter for critical CSS.
361 */
362
363 $imgopt_base_url = $this->get_imgopt_base_url();
364 $to_replace = array();
365
366 // extract img tags.
367 if ( preg_match_all( '#<img[^>]*src[^>]*>#Usmi', $in, $matches ) ) {
368 foreach ( $matches[0] as $tag ) {
369 $orig_tag = $tag;
370 $imgopt_w = '';
371 $imgopt_h = '';
372
373 // first do (data-)srcsets.
374 if ( preg_match_all( '#srcset=("|\')(.*)("|\')#Usmi', $tag, $allsrcsets, PREG_SET_ORDER ) ) {
375 foreach ( $allsrcsets as $srcset ) {
376 $srcset = $srcset[2];
377 $srcsets = explode( ',', $srcset );
378 foreach ( $srcsets as $indiv_srcset ) {
379 $indiv_srcset_parts = explode( ' ', trim( $indiv_srcset ) );
380 if ( $indiv_srcset_parts[1] && rtrim( $indiv_srcset_parts[1], 'w' ) !== $indiv_srcset_parts[1] ) {
381 $imgopt_w = rtrim( $indiv_srcset_parts[1], 'w' );
382 }
383 if ( $this->can_optimize_image( $indiv_srcset_parts[0] ) ) {
384 $imgopt_url = $this->build_imgopt_url( $indiv_srcset_parts[0], $imgopt_w, '' );
385 $tag = str_replace( $indiv_srcset_parts[0], $imgopt_url, $tag );
386 $to_replace[ $orig_tag ] = $tag;
387 }
388 }
389 }
390 }
391
392 // proceed with img src.
393 // first reset and then get width and height and add to $imgopt_size.
394 $imgopt_w = '';
395 $imgopt_h = '';
396 if ( preg_match( '#width=("|\')(.*)("|\')#Usmi', $tag, $width ) ) {
397 $imgopt_w = $width[2];
398 }
399 if ( preg_match( '#height=("|\')(.*)("|\')#Usmi', $tag, $height ) ) {
400 $imgopt_h = $height[2];
401 }
402
403 // then start replacing images src.
404 if ( preg_match_all( '#src=(?:"|\')(?!data)(.*)(?:"|\')#Usmi', $tag, $urls, PREG_SET_ORDER ) ) {
405 foreach ( $urls as $url ) {
406 $full_src_orig = $url[0];
407 $url = $url[1];
408 if ( $this->can_optimize_image( $url ) ) {
409 $imgopt_url = $this->build_imgopt_url( $url, $imgopt_w, $imgopt_h );
410 $full_imgopt_src = str_replace( $url, $imgopt_url, $full_src_orig );
411 $tag = str_replace( $full_src_orig, $full_imgopt_src, $tag );
412 $to_replace[ $orig_tag ] = $tag;
413 }
414 }
415 }
416 }
417 }
418 $out = str_replace( array_keys( $to_replace ), array_values( $to_replace ), $in );
419
420 // img thumbnails in e.g. woocommerce.
421 if ( strpos( $out, 'data-thumb' ) !== false && apply_filters( 'autoptimize_filter_extra_imgopt_datathumbs', true ) ) {
422 $out = preg_replace_callback(
423 '/\<div(?:[^>]?)\sdata-thumb\=(?:\"|\')(.+?)(?:\"|\')(?:[^>]*)?\>/s',
424 array( $this, 'replace_data_thumbs' ),
425 $out
426 );
427 }
428
429 return $out;
430 }
431
432 public function filter_optimize_css_images( $in )
433 {
434 $imgopt_base_url = $this->get_imgopt_base_url();
435 $in = $this->normalize_img_urls( $in );
436
437 if ( $this->can_optimize_image( $in ) ) {
438 return $this->build_imgopt_url( $in, '', '' );
439 } else {
440 return $in;
441 }
442 }
443
444 private function get_imgopt_base_url()
445 {
446 static $imgopt_base_url = null;
447
448 if ( is_null( $imgopt_base_url ) ) {
449 $imgopt_host = $this->get_imgopt_host();
450 $quality = $this->get_img_quality_string();
451 $ret_val = apply_filters( 'autoptimize_filter_extra_imgopt_wait', 'ret_img' ); // values: ret_wait, ret_img, ret_json, ret_blank.
452 $imgopt_base_url = $imgopt_host . 'client/' . $quality . ',' . $ret_val;
453 $imgopt_base_url = apply_filters( 'autoptimize_filter_extra_imgopt_base_url', $imgopt_base_url );
454 }
455
456 return $imgopt_base_url;
457 }
458
459 private function can_optimize_image( $url )
460 {
461 static $cdn_url = null;
462 static $nopti_images = null;
463
464 if ( is_null( $cdn_url ) ) {
465 $cdn_url = apply_filters( 'autoptimize_filter_base_cdnurl', get_option( 'autoptimize_cdn_url', '' ) );
466 }
467
468 if ( is_null( $nopti_images ) ) {
469 $nopti_images = apply_filters( 'autoptimize_filter_extra_imgopt_noptimize', '' );
470 }
471
472 $imgopt_base_url = $this->get_imgopt_base_url();
473 $site_host = AUTOPTIMIZE_SITE_DOMAIN;
474 $url_parsed = parse_url( $url );
475
476 if ( $url_parsed['host'] !== $site_host && empty( $cdn_url ) ) {
477 return false;
478 } elseif ( ! empty( $cdn_url ) && strpos( $url, $cdn_url ) === false && $url_parsed['host'] !== $site_host ) {
479 return false;
480 } elseif ( strpos( $url, '.php' ) !== false ) {
481 return false;
482 } elseif ( str_ireplace( array( '.png', '.gif', '.jpg', '.jpeg' ), '', $url_parsed['path'] ) === $url_parsed['path'] ) {
483 // fixme: better check against end of string.
484 return false;
485 } elseif ( ! empty( $nopti_images ) ) {
486 $nopti_images_array = array_filter( array_map( 'trim', explode( ',', $nopti_images ) ) );
487 foreach ( $nopti_images_array as $nopti_image ) {
488 if ( strpos( $url, $nopti_image ) !== false ) {
489 return false;
490 }
491 }
492 }
493 return true;
494 }
495
496 private function build_imgopt_url( $orig_url, $width = 0, $height = 0 )
497 {
498 $filtered_url = apply_filters( 'autoptimize_filter_extra_imgopt_build_url', $orig_url, $width, $height );
499
500 if ( $filtered_url !== $orig_url ) {
501 return $filtered_url;
502 }
503
504 $orig_url = $this->normalize_img_urls( $orig_url );
505 $imgopt_base_url = $this->get_imgopt_base_url();
506 $imgopt_size = '';
507
508 if ( $width && 0 !== $width ) {
509 $imgopt_size = ',w_' . $width;
510 }
511
512 if ( $height && 0 !== $height ) {
513 $imgopt_size .= ',h_' . $height;
514 }
515
516 $url = $imgopt_base_url . $imgopt_size . '/' . $orig_url;
517
518 return $url;
519 }
520
521 public function replace_data_thumbs( $matches )
522 {
523 if ( $this->can_optimize_image( $matches[1] ) ) {
524 return str_replace( $matches[1], $this->build_imgopt_url( $matches[1], 150, 150 ), $matches[0] );
525 } else {
526 return $matches[0];
527 }
528 }
529
530 public function filter_preconnect_imgopt_url( $in )
531 {
532 $imgopt_url_array = parse_url( $this->get_imgopt_base_url() );
533 $in[] = $imgopt_url_array['scheme'] . '://' . $imgopt_url_array['host'];
534
535 return $in;
536 }
537
538 private function normalize_img_urls( $in )
539 {
540 $parsed_site_url = parse_url( site_url() );
541
542 if ( strpos( $in, 'http' ) !== 0 && strpos( $in, '//' ) === 0 ) {
543 $in = $parsed_site_url['scheme'] . ':' . $in;
544 } elseif ( strpos( $in, '/' ) === 0 ) {
545 $in = $parsed_site_url['scheme'] . '://' . $parsed_site_url['host'] . $in;
546 }
547
548 return apply_filters( 'autoptimize_filter_extra_imgopt_normalized_url', $in );
549 }
550
551 private function get_img_quality_array()
552 {
553 static $img_quality_array = null;
554
555 if ( is_null( $img_quality_array ) ) {
556 $img_quality_array = array(
557 '1' => 'lossy',
558 '2' => 'glossy',
559 '3' => 'lossless',
560 );
561 $img_quality_array = apply_filters( 'autoptimize_filter_extra_imgopt_quality_array', $img_quality_array );
562 }
563
564 return $img_quality_array;
565 }
566
567 private function get_img_quality_setting()
568 {
569 static $_img_q = null;
570
571 if ( is_null( $_img_q ) ) {
572 $_setting = $this->options['autoptimize_extra_select_field_6'];
573
574 if ( ! $_setting || empty( $_setting ) || ( '1' !== $_setting && '3' !== $_setting ) ) {
575 // default image opt. value is 2 ("glossy").
576 $_img_q = '2';
577 } else {
578 $_img_q = $_setting;
579 }
580 }
581
582 return $_img_q;
583 }
584
585 private function get_img_quality_string()
586 {
587 static $_img_q_string = null;
588
589 if ( is_null( $_img_q_string ) ) {
590 $_quality_array = $this->get_img_quality_array();
591 $_setting = $this->get_img_quality_setting();
592 $_img_q_string = apply_filters( 'autoptimize_filter_extra_imgopt_quality', 'q_' . $_quality_array[ $_setting ] );
593 }
594
595 return $_img_q_string;
596 }
597
598 public static function get_img_provider_stats()
599 {
600 // wrapper around query_img_provider_stats() so we can get to $this->options from cronjob() in autoptimizeCacheChecker.
601 $self = new self();
602 return $self->query_img_provider_stats();
603 }
604
605 public function query_img_provider_stats()
606 {
607 if ( ! empty( $this->options['autoptimize_extra_checkbox_field_5'] ) ) {
608 $_img_provider_stat_url = '';
609 $_img_provider_endpoint = $this->get_imgopt_host() . 'read-domain/';
610 $_site_host = AUTOPTIMIZE_SITE_DOMAIN;
611
612 // make sure parse_url result makes sense, keeping $_img_provider_stat_url empty if not.
613 if ( $_site_host && ! empty( $_site_host ) ) {
614 $_img_provider_stat_url = $_img_provider_endpoint . $_site_host;
615 }
616
617 $_img_provider_stat_url = apply_filters( 'autoptimize_filter_extra_imgopt_stat_url', $_img_provider_stat_url );
618
619 // only do the remote call if $_img_provider_stat_url is not empty to make sure no parse_url weirdness results in useless calls.
620 if ( ! empty( $_img_provider_stat_url ) ) {
621 $_img_stat_resp = wp_remote_get( $_img_provider_stat_url );
622 if ( ! is_wp_error( $_img_stat_resp ) ) {
623 if ( '200' == wp_remote_retrieve_response_code( $_img_stat_resp ) ) {
624 $_img_provider_stat = json_decode( wp_remote_retrieve_body( $_img_stat_resp ), true );
625 update_option( 'autoptimize_imgopt_provider_stat', $_img_provider_stat );
626 }
627 }
628 }
629 }
630 }
631
632 public function imgopt_launch_ok()
633 {
634 static $launch_status = null;
635
636 if ( is_null( $launch_status ) ) {
637 $avail_imgopt = $this->options['availabilities']['extra_imgopt'];
638 $magic_number = intval( substr( md5( parse_url( AUTOPTIMIZE_WP_SITE_URL, PHP_URL_HOST ) ), 0, 3 ), 16 );
639 $has_launched = get_option( 'autoptimize_imgopt_launched', '' );
640 if ( $has_launched || ( array_key_exists( 'launch-threshold', $avail_imgopt ) && $magic_number < $avail_imgopt['launch-threshold'] ) ) {
641 $launch_status = true;
642 if ( ! $has_launched ) {
643 update_option( 'autoptimize_imgopt_launched', 'on' );
644 }
645 } else {
646 $launch_status = false;
647 }
648 }
649
650 return $launch_status;
651 }
652
653 public static function imgopt_launch_ok_wrapper()
654 {
655 // needed for "plug" notice in autoptimizeMain.php.
656 $self = new self();
657 return $self->imgopt_launch_ok();
658 }
659
660 public function get_imgopt_host()
661 {
662 static $imgopt_host = null;
663
664 if ( is_null( $imgopt_host ) ) {
665 $avail_imgopt = $this->options['availabilities']['extra_imgopt'];
666 if ( ! empty( $avail_imgopt ) && array_key_exists( 'hosts', $avail_imgopt ) && is_array( $avail_imgopt['hosts'] ) ) {
667 $imgopt_host = array_rand( array_flip( $avail_imgopt['hosts'] ) );
668 } else {
669 $imgopt_host = 'https://cdn.shortpixel.ai/';
670 }
671 }
672
673 return $imgopt_host;
674 }
675
676 public static function get_imgopt_host_wrapper()
677 {
678 // needed for CI tests.
679 $self = new self();
680 return $self->get_imgopt_host();
681 }
682
683 public function get_imgopt_status_notice() {
684 $_extra_options = $this->options;
685 if ( ! empty( $_extra_options ) && is_array( $_extra_options ) && array_key_exists( 'autoptimize_extra_checkbox_field_5', $_extra_options ) && ! empty( $_extra_options['autoptimize_extra_checkbox_field_5'] ) ) {
686 $_imgopt_notice = '';
687 $_stat = get_option( 'autoptimize_imgopt_provider_stat', '' );
688 $_site_host = AUTOPTIMIZE_SITE_DOMAIN;
689 $_imgopt_upsell = 'https://shortpixel.com/aospai/af/GWRGFLW109483/' . $_site_host;
690
691 if ( is_array( $_stat ) ) {
692 if ( 1 == $_stat['Status'] ) {
693 // translators: "add more credits" will appear in a "a href".
694 $_imgopt_notice = sprintf( __( 'Your ShortPixel image optimization and CDN quota is almost used, make sure you %1$sadd more credits%2$s to avoid slowing down your website.', 'autoptimize' ), '<a href="' . $_imgopt_upsell . '" target="_blank">', '</a>' );
695 } elseif ( -1 == $_stat['Status'] ) {
696 // translators: "add more credits" will appear in a "a href".
697 $_imgopt_notice = sprintf( __( 'Your ShortPixel image optimization and CDN quota was used, %1$sadd more credits%2$s to keep fast serving optimized images on your site.', 'autoptimize' ), '<a href="' . $_imgopt_upsell . '" target="_blank">', '</a>' );
698 } else {
699 $_imgopt_upsell = 'https://shortpixel.com/g/af/GWRGFLW109483';
700 // translators: "log in to check your account" will appear in a "a href".
701 $_imgopt_notice = sprintf( __( 'Your ShortPixel image optimization and CDN quota are in good shape, %1$slog in to check your account%2$s.', 'autoptimize' ), '<a href="' . $_imgopt_upsell . '" target="_blank">', '</a>' );
702 }
703 $_imgopt_notice = apply_filters( 'autoptimize_filter_imgopt_notice', $_imgopt_notice );
704
705 return array(
706 'status' => $_stat['Status'],
707 'notice' => $_imgopt_notice,
708 );
709 }
710 }
711 return false;
712 }
713
714 public static function get_imgopt_status_notice_wrapper() {
715 // needed for notice being shown in autoptimizeCacheChecker.php.
716 $self = new self();
717 return $self->get_imgopt_status_notice();
718 }
719
720 public function admin_menu()
721 {
722 add_submenu_page( null, 'autoptimize_extra', 'autoptimize_extra', 'manage_options', 'autoptimize_extra', array( $this, 'options_page' ) );
723 register_setting( 'autoptimize_extra_settings', 'autoptimize_extra_settings' );
724 }
725
726 public function add_extra_tab( $in )
727 {
728 $in = array_merge( $in, array( 'autoptimize_extra' => __( 'Extra', 'autoptimize' ) ) );
729
730 return $in;
731 }
732
733 public function options_page()
734 {
735 // Working with actual option values from the database here.
736 // That way any saves are still processed as expected, but we can still
737 // override behavior by using `new autoptimizeExtra($custom_options)` and not have that custom
738 // behavior being persisted in the DB even if save is done here.
739 $options = $this->fetch_options();
740 $gfonts = $options['autoptimize_extra_radio_field_4'];
741 $sp_url_suffix = '/af/GWRGFLW109483/' . AUTOPTIMIZE_SITE_DOMAIN;
742 ?>
743 <style>
744 #ao_settings_form {background: white;border: 1px solid #ccc;padding: 1px 15px;margin: 15px 10px 10px 0;}
745 #ao_settings_form .form-table th {font-weight: normal;}
746 #autoptimize_extra_descr{font-size: 120%;}
747 </style>
748 <div class="wrap">
749 <h1><?php _e( 'Autoptimize Settings', 'autoptimize' ); ?></h1>
750 <?php echo autoptimizeConfig::ao_admin_tabs(); ?>
751 <?php
752 if ( 'on' !== get_option( 'autoptimize_js' ) && 'on' !== get_option( 'autoptimize_css' ) && 'on' !== get_option( 'autoptimize_html' ) ) {
753 ?>
754 <div class="notice-warning notice"><p>
755 <?php
756 _e( 'Most of below Extra optimizations require at least one of HTML, JS or CSS autoptimizations being active.', 'autoptimize' );
757 ?>
758 </p></div>
759 <?php
760 }
761
762 if ( 'down' === $options['availabilities']['extra_imgopt']['status'] ) {
763 ?>
764 <div class="notice-warning notice"><p>
765 <?php
766 // translators: "Autoptimize support forum" will appear in a "a href".
767 echo sprintf( __( 'The image optimization service is currently down, image optimization will be skipped until further notice. Check the %1$sAutoptimize support forum%2$s for more info.', 'autoptimize' ), '<a href="https://wordpress.org/support/plugin/autoptimize/" target="_blank">', '</a>' );
768 ?>
769 </p></div>
770 <?php
771 }
772
773 if ( 'launch' === $options['availabilities']['extra_imgopt']['status'] && ! $this->imgopt_launch_ok() ) {
774 ?>
775 <div class="notice-warning notice"><p>
776 <?php
777 _e( 'The image optimization service is launching, but not yet available for this domain, it should become available in the next couple of days.', 'autoptimize' );
778 ?>
779 </p></div>
780 <?php
781 }
782
783 ?>
784 <form id='ao_settings_form' action='options.php' method='post'>
785 <?php settings_fields( 'autoptimize_extra_settings' ); ?>
786 <h2><?php _e( 'Extra Auto-Optimizations', 'autoptimize' ); ?></h2>
787 <span id='autoptimize_extra_descr'><?php _e( 'The following settings can improve your site\'s performance even more.', 'autoptimize' ); ?></span>
788 <table class="form-table">
789 <tr>
790 <th scope="row"><?php _e( 'Google Fonts', 'autoptimize' ); ?></th>
791 <td>
792 <input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="1" <?php if ( ! in_array( $gfonts, array( 2, 3, 4, 5 ) ) ) { echo 'checked'; } ?> ><?php _e( 'Leave as is', 'autoptimize' ); ?><br/>
793 <input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="2" <?php checked( 2, $gfonts, true ); ?> ><?php _e( 'Remove Google Fonts', 'autoptimize' ); ?><br/>
794 <input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="3" <?php checked( 3, $gfonts, true ); ?> ><?php _e( 'Combine and link in head (fonts load fast but are render-blocking)', 'autoptimize' ); ?><br/>
795 <input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="5" <?php checked( 5, $gfonts, true ); ?> ><?php _e( 'Combine and preload in head (fonts load late, but are not render-blocking)', 'autoptimize' ); ?><br/>
796 <input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="4" <?php checked( 4, $gfonts, true ); ?> ><?php _e( 'Combine and load fonts asynchronously with <a href="https://github.com/typekit/webfontloader#readme" target="_blank">webfont.js</a>', 'autoptimize' ); ?><br/>
797 </td>
798 </tr>
799 <tr>
800 <th scope="row"><?php _e( 'Optimize Images', 'autoptimize' ); ?></th>
801 <td>
802 <label><input id='autoptimize_imgopt_checkbox' type='checkbox' name='autoptimize_extra_settings[autoptimize_extra_checkbox_field_5]' <?php if ( ! empty( $options['autoptimize_extra_checkbox_field_5'] ) && '1' === $options['autoptimize_extra_checkbox_field_5'] ) { echo 'checked="checked"'; } ?> value='1'><?php _e( 'Optimize images on the fly and serve them from a CDN.', 'autoptimize' ); ?></label>
803 <?php
804 // show shortpixel status.
805 $_notice = $this->get_imgopt_status_notice();
806 if ( $_notice ) {
807 switch ( $_notice['status'] ) {
808 case 2:
809 $_notice_color = 'green';
810 break;
811 case 1:
812 $_notice_color = 'orange';
813 break;
814 case -1:
815 $_notice_color = 'red';
816 break;
817 default:
818 $_notice_color = 'green';
819 }
820 echo apply_filters( 'autoptimize_filter_imgopt_settings_status', '<p><strong><span style="color:' . $_notice_color . ';">' . __( 'Shortpixel status: ', 'autoptimize' ) . '</span></strong>' . $_notice['notice'] . '</p>' );
821 } else {
822 // translators: link points to shortpixel.
823 $upsell_msg_1 = '<p>' . sprintf( __( 'Get more Google love and improve your website\'s loading speed by having the images optimized on the fly by %1$sShortPixel%2$s and then cached and served fast from a CDN.', 'autoptimize' ), '<a href="https://shortpixel.com/aospai' . $sp_url_suffix . '" target="_blank">', '</a>' );
824 if ( 'launch' === $options['availabilities']['extra_imgopt']['status'] ) {
825 $upsell_msg_2 = __( 'For a limited time only, this service is offered free-for-all, <b>don\'t miss the chance to test it</b> and see how much it could improve your site\'s speed.', 'autoptimize' );
826 } else {
827 $upsell_msg_2 = __( 'The service is offered for free for 100 images/month regardless of the traffic used. More image optimizations can be purchased starting with $4.99.', 'autoptimize' );
828 }
829 echo apply_filters( 'autoptimize_extra_imgopt_settings_copy', $upsell_msg_1 . ' ' . $upsell_msg_2 . '</p>' );
830 }
831 // translators: link points to shortpixel FAQ.
832 $faqcopy = sprintf( __( '<strong>Questions</strong>? Have a look at the %1$sShortPixel FAQ%2$s!', 'autoptimize' ), '<strong><a href="https://shortpixel.helpscoutdocs.com/category/60-shortpixel-ai-cdn" target="_blank">', '</strong></a>' );
833 // translators: links points to shortpixel TOS & Privacy Policy.
834 $toscopy = sprintf( __( 'Usage of this feature is subject to Shortpixel\'s %1$sTerms of Use%2$s and %3$sPrivacy policy%4$s.', 'autoptimize' ), '<a href="https://shortpixel.com/tos' . $sp_url_suffix . '" target="_blank">', '</a>', '<a href="https://shortpixel.com/pp' . $sp_url_suffix . '" target="_blank">', '</a>' );
835 echo apply_filters( 'autoptimize_extra_imgopt_settings_tos', '<p>' . $faqcopy . ' ' . $toscopy . '</p>' );
836 ?>
837 </td>
838 </tr>
839 <tr id='autoptimize_imgopt_quality' <?php if ( ! array_key_exists( 'autoptimize_extra_checkbox_field_5', $options ) || ( ! empty( $options['autoptimize_extra_checkbox_field_5'] ) && '1' !== $options['autoptimize_extra_checkbox_field_5'] ) ) { echo 'class="hidden"'; } ?>>
840 <th scope="row"><?php _e( 'Image Optimization quality', 'autoptimize' ); ?></th>
841 <td>
842 <label>
843 <select name='autoptimize_extra_settings[autoptimize_extra_select_field_6]'>
844 <?php
845 $_imgopt_array = $this->get_img_quality_array();
846 $_imgopt_val = $this->get_img_quality_setting();
847
848 foreach ( $_imgopt_array as $key => $value ) {
849 echo '<option value="' . $key . '"';
850 if ( $_imgopt_val == $key ) {
851 echo ' selected';
852 }
853 echo '>' . ucfirst( $value ) . '</option>';
854 }
855 echo "\n";
856 ?>
857 </select>
858 </label>
859 <p>
860 <?php
861 // translators: link points to shortpixel image test page.
862 echo apply_filters( 'autoptimize_extra_imgopt_quality_copy', sprintf( __( 'You can %1$stest compression levels here%2$s.', 'autoptimize' ), '<a href="https://shortpixel.com/oic' . $sp_url_suffix . '" target="_blank">', '</a>' ) );
863 ?>
864 </p>
865 </td>
866 </tr>
867 <tr>
868 <th scope="row"><?php _e( 'Remove emojis', 'autoptimize' ); ?></th>
869 <td>
870 <label><input type='checkbox' name='autoptimize_extra_settings[autoptimize_extra_checkbox_field_1]' <?php if ( ! empty( $options['autoptimize_extra_checkbox_field_1'] ) && '1' === $options['autoptimize_extra_checkbox_field_1'] ) { echo 'checked="checked"'; } ?> value='1'><?php _e( 'Removes WordPress\' core emojis\' inline CSS, inline JavaScript, and an otherwise un-autoptimized JavaScript file.', 'autoptimize' ); ?></label>
871 </td>
872 </tr>
873 <tr>
874 <th scope="row"><?php _e( 'Remove query strings from static resources', 'autoptimize' ); ?></th>
875 <td>
876 <label><input type='checkbox' name='autoptimize_extra_settings[autoptimize_extra_checkbox_field_0]' <?php if ( ! empty( $options['autoptimize_extra_checkbox_field_0'] ) && '1' === $options['autoptimize_extra_checkbox_field_0'] ) { echo 'checked="checked"'; } ?> value='1'><?php _e( 'Removing query strings (or more specifically the <code>ver</code> parameter) will not improve load time, but might improve performance scores.', 'autoptimize' ); ?></label>
877 </td>
878 </tr>
879 <tr>
880 <th scope="row"><?php _e( 'Preconnect to 3rd party domains <em>(advanced users)</em>', 'autoptimize' ); ?></th>
881 <td>
882 <label><input type='text' style='width:80%' name='autoptimize_extra_settings[autoptimize_extra_text_field_2]' value='<?php echo esc_attr( $options['autoptimize_extra_text_field_2'] ); ?>'><br /><?php _e( 'Add 3rd party domains you want the browser to <a href="https://www.keycdn.com/support/preconnect/#primary" target="_blank">preconnect</a> to, separated by comma\'s. Make sure to include the correct protocol (HTTP or HTTPS).', 'autoptimize' ); ?></label>
883 </td>
884 </tr>
885 <tr>
886 <th scope="row"><?php _e( 'Async Javascript-files <em>(advanced users)</em>', 'autoptimize' ); ?></th>
887 <td>
888 <?php
889 if ( function_exists( 'is_plugin_active' ) && is_plugin_active( 'async-javascript/async-javascript.php' ) ) {
890 // translators: link points Async Javascript settings page.
891 printf( __( 'You have "Async JavaScript" installed, %1$sconfiguration of async javascript is best done there%2$s.', 'autoptimize' ), '<a href="' . 'options-general.php?page=async-javascript' . '">', '</a>' );
892 } else {
893 ?>
894 <input type='text' style='width:80%' name='autoptimize_extra_settings[autoptimize_extra_text_field_3]' value='<?php echo esc_attr( $options['autoptimize_extra_text_field_3'] ); ?>'>
895 <br />
896 <?php
897 _e( 'Comma-separated list of local or 3rd party JS-files that should loaded with the <code>async</code> flag. JS-files from your own site will be automatically excluded if added here. ', 'autoptimize' );
898 // translators: %s will be replaced by a link to the "async javascript" plugin.
899 echo sprintf( __( 'Configuration of async javascript is easier and more flexible using the %s plugin.', 'autoptimize' ), '"<a href="https://wordpress.org/plugins/async-javascript" target="_blank">Async Javascript</a>"' );
900 $asj_install_url = network_admin_url() . 'plugin-install.php?s=async+javascript&tab=search&type=term';
901 echo sprintf( ' <a href="' . $asj_install_url . '">%s</a>', __( 'Click here to install and activate it.', 'autoptimize' ) );
902 }
903 ?>
904 </td>
905 </tr>
906 <tr>
907 <th scope="row"><?php _e( 'Optimize YouTube videos', 'autoptimize' ); ?></th>
908 <td>
909 <?php
910 if ( function_exists( 'is_plugin_active' ) && is_plugin_active( 'wp-youtube-lyte/wp-youtube-lyte.php' ) ) {
911 _e( 'Great, you have WP YouTube Lyte installed.', 'autoptimize' );
912 $lyte_config_url = 'options-general.php?page=lyte_settings_page';
913 echo sprintf( ' <a href="' . $lyte_config_url . '">%s</a>', __( 'Click here to configure it.', 'autoptimize' ) );
914 } else {
915 // translators: %s will be replaced by a link to "wp youtube lyte" plugin.
916 echo sprintf( __( '%s allows you to “lazy load” your videos, by inserting responsive “Lite YouTube Embeds". ', 'autoptimize' ), '<a href="https://wordpress.org/plugins/wp-youtube-lyte" target="_blank">WP YouTube Lyte</a>' );
917 $lyte_install_url = network_admin_url() . 'plugin-install.php?s=lyte&tab=search&type=term';
918 echo sprintf( ' <a href="' . $lyte_install_url . '">%s</a>', __( 'Click here to install and activate it.', 'autoptimize' ) );
919 }
920 ?>
921 </td>
922 </tr>
923 </table>
924 <p class="submit"><input type="submit" name="submit" id="submit" class="button button-primary" value="<?php _e( 'Save Changes', 'autoptimize' ); ?>" /></p>
925 </form>
926 <script>
927 jQuery(document).ready(function() {
928 jQuery( "#autoptimize_imgopt_checkbox" ).change(function() {
929 if (this.checked) {
930 jQuery("#autoptimize_imgopt_quality").show("slow");
931 } else {
932 jQuery("#autoptimize_imgopt_quality").hide("slow");
933 }
934 });
935 });
936 </script>
937 <?php
938 }
939 }
940