/
var
/
www
/
vhosts
/
ihelp.ro
/
ajutam.ro
/
wp-includes
/
/var/www/vhosts/ihelp.ro/ajutam.ro/wp-includes
mkdir
upload
Name
Size
Mode
Actions
abilities-api/
-
0755
rm
assets/
-
0755
rm
block-bindings/
-
0755
rm
block-patterns/
-
0755
rm
block-supports/
-
0755
rm
blocks/
-
0755
rm
certificates/
-
0755
rm
css/
-
0755
rm
customize/
-
0755
rm
fonts/
-
0755
rm
html-api/
-
0755
rm
ID3/
-
0755
rm
images/
-
0755
rm
interactivity-api/
-
0755
rm
IXR/
-
0755
rm
js/
-
0755
rm
l10n/
-
0755
rm
php-compat/
-
0755
rm
PHPMailer/
-
0755
rm
pomo/
-
0755
rm
Requests/
-
0755
rm
rest-api/
-
0755
rm
SimplePie/
-
0755
rm
sitemaps/
-
0755
rm
sodium_compat/
-
0755
rm
style-engine/
-
0755
rm
Text/
-
0755
rm
theme-compat/
-
0755
rm
widgets/
-
0755
rm
abilities-api.php
24369
0644
edit
dl
rm
abilities.php
7983
0644
edit
dl
rm
admin-bar.php
36966
0644
edit
dl
rm
atomlib.php
12181
0644
edit
dl
rm
author-template.php
19391
0644
edit
dl
rm
block-bindings.php
7526
0644
edit
dl
rm
block-editor.php
29282
0644
edit
dl
rm
block-i18n.json
316
0644
edit
dl
rm
block-patterns.php
13213
0644
edit
dl
rm
block-template-utils.php
62484
0644
edit
dl
rm
block-template.php
15359
0644
edit
dl
rm
blocks.php
114739
0644
edit
dl
rm
bookmark-template.php
12768
0644
edit
dl
rm
bookmark.php
15427
0644
edit
dl
rm
cache-compat.php
10078
0644
edit
dl
rm
cache.php
13486
0644
edit
dl
rm
canonical.php
34628
0644
edit
dl
rm
capabilities.php
43652
0644
edit
dl
rm
category-template.php
57045
0644
edit
dl
rm
category.php
12829
0644
edit
dl
rm
class-avif-info.php
29615
0644
edit
dl
rm
class-feed.php
539
0644
edit
dl
rm
class-http.php
367
0644
edit
dl
rm
class-IXR.php
2616
0644
edit
dl
rm
class-json.php
43676
0644
edit
dl
rm
class-oembed.php
401
0644
edit
dl
rm
class-phpass.php
6771
0644
edit
dl
rm
class-phpmailer.php
664
0644
edit
dl
rm
class-pop3.php
21121
0644
edit
dl
rm
class-requests.php
2237
0644
edit
dl
rm
class-simplepie.php
453
0644
edit
dl
rm
class-smtp.php
457
0644
edit
dl
rm
class-snoopy.php
37715
0644
edit
dl
rm
class-walker-category-dropdown.php
2469
0644
edit
dl
rm
class-walker-category.php
8477
0644
edit
dl
rm
class-walker-comment.php
14221
0644
edit
dl
rm
class-walker-nav-menu.php
12044
0644
edit
dl
rm
class-walker-page-dropdown.php
2710
0644
edit
dl
rm
class-walker-page.php
7612
0644
edit
dl
rm
class-wp-admin-bar.php
17874
0644
edit
dl
rm
class-wp-ajax-response.php
5266
0644
edit
dl
rm
class-wp-application-passwords.php
17099
0644
edit
dl
rm
class-wp-block-bindings-registry.php
8482
0644
edit
dl
rm
class-wp-block-bindings-source.php
2992
0644
edit
dl
rm
class-wp-block-editor-context.php
1350
0644
edit
dl
rm
class-wp-block-list.php
4713
0644
edit
dl
rm
class-wp-block-metadata-registry.php
11895
0644
edit
dl
rm
class-wp-block-parser-block.php
2555
0644
edit
dl
rm
class-wp-block-parser-frame.php
2017
0644
edit
dl
rm
class-wp-block-parser.php
11516
0644
edit
dl
rm
class-wp-block-pattern-categories-registry.php
5450
0644
edit
dl
rm
class-wp-block-patterns-registry.php
11253
0644
edit
dl
rm
class-wp-block-processor.php
69959
0644
edit
dl
rm
class-wp-block-styles-registry.php
6497
0644
edit
dl
rm
class-wp-block-supports.php
5626
0644
edit
dl
rm
class-wp-block-template.php
2033
0644
edit
dl
rm
class-wp-block-templates-registry.php
7193
0644
edit
dl
rm
class-wp-block-type-registry.php
5030
0644
edit
dl
rm
class-wp-block-type.php
17265
0644
edit
dl
rm
class-wp-block.php
24812
0644
edit
dl
rm
class-wp-classic-to-block-menu-converter.php
4070
0644
edit
dl
rm
class-wp-comment-query.php
48804
0644
edit
dl
rm
class-wp-comment.php
9437
0644
edit
dl
rm
class-wp-customize-control.php
26119
0644
edit
dl
rm
class-wp-customize-manager.php
203139
0644
edit
dl
rm
class-wp-customize-nav-menus.php
58013
0644
edit
dl
rm
class-wp-customize-panel.php
10710
0644
edit
dl
rm
class-wp-customize-section.php
11209
0644
edit
dl
rm
class-wp-customize-setting.php
29962
0644
edit
dl
rm
class-wp-customize-widgets.php
72607
0644
edit
dl
rm
class-wp-date-query.php
36147
0644
edit
dl
rm
class-wp-dependencies.php
17004
0644
edit
dl
rm
class-wp-dependency.php
2633
0644
edit
dl
rm
class-wp-duotone.php
40783
0644
edit
dl
rm
class-wp-editor.php
72335
0644
edit
dl
rm
class-wp-embed.php
15931
0644
edit
dl
rm
class-wp-error.php
7502
0644
edit
dl
rm
class-wp-exception.php
253
0644
edit
dl
rm
class-wp-fatal-error-handler.php
8150
0644
edit
dl
rm
class-wp-feed-cache-transient.php
3304
0644
edit
dl
rm
class-wp-feed-cache.php
969
0644
edit
dl
rm
class-wp-hook.php
16674
0644
edit
dl
rm
class-wp-http-cookie.php
7389
0644
edit
dl
rm
class-wp-http-curl.php
13261
0644
edit
dl
rm
class-wp-http-encoding.php
6689
0644
edit
dl
rm
class-wp-http-ixr-client.php
3506
0644
edit
dl
rm
class-wp-http-proxy.php
5980
0644
edit
dl
rm
class-wp-http-requests-hooks.php
2022
0644
edit
dl
rm
class-wp-http-requests-response.php
4400
0644
edit
dl
rm
class-wp-http-response.php
2977
0644
edit
dl
rm
class-wp-http-streams.php
16859
0644
edit
dl
rm
class-wp-http.php
41570
0644
edit
dl
rm
class-wp-image-editor-gd.php
20705
0644
edit
dl
rm
class-wp-image-editor-imagick.php
43415
0644
edit
dl
rm
class-wp-image-editor.php
17415
0644
edit
dl
rm
class-wp-list-util.php
7443
0644
edit
dl
rm
class-wp-locale-switcher.php
6776
0644
edit
dl
rm
class-wp-locale.php
16883
0644
edit
dl
rm
class-wp-matchesmapregex.php
1828
0644
edit
dl
rm
class-wp-meta-query.php
30533
0644
edit
dl
rm
class-wp-metadata-lazyloader.php
6833
0644
edit
dl
rm
class-wp-navigation-fallback.php
9193
0644
edit
dl
rm
class-wp-network-query.php
19887
0644
edit
dl
rm
class-wp-network.php
12296
0644
edit
dl
rm
class-wp-object-cache.php
17524
0644
edit
dl
rm
class-wp-oembed-controller.php
6905
0644
edit
dl
rm
class-wp-oembed.php
31670
0644
edit
dl
rm
class-wp-paused-extensions-storage.php
5111
0644
edit
dl
rm
class-wp-phpmailer.php
4348
0644
edit
dl
rm
class-wp-plugin-dependencies.php
25315
0644
edit
dl
rm
class-wp-post-type.php
30680
0644
edit
dl
rm
class-wp-post.php
6491
0644
edit
dl
rm
class-wp-query.php
163975
0644
edit
dl
rm
class-wp-recovery-mode-cookie-service.php
6877
0644
edit
dl
rm
class-wp-recovery-mode-email-service.php
11183
0644
edit
dl
rm
class-wp-recovery-mode-key-service.php
4884
0644
edit
dl
rm
class-wp-recovery-mode-link-service.php
3463
0644
edit
dl
rm
class-wp-recovery-mode.php
11453
0644
edit
dl
rm
class-wp-rewrite.php
63687
0644
edit
dl
rm
class-wp-role.php
2523
0644
edit
dl
rm
class-wp-roles.php
9394
0644
edit
dl
rm
class-wp-script-modules.php
32951
0644
edit
dl
rm
class-wp-scripts.php
34864
0644
edit
dl
rm
class-wp-session-tokens.php
7319
0644
edit
dl
rm
class-wp-simplepie-file.php
3552
0644
edit
dl
rm
class-wp-simplepie-sanitize-kses.php
1910
0644
edit
dl
rm
class-wp-site-query.php
31655
0644
edit
dl
rm
class-wp-site.php
7467
0644
edit
dl
rm
class-wp-speculation-rules.php
7527
0644
edit
dl
rm
class-wp-styles.php
12843
0644
edit
dl
rm
class-wp-tax-query.php
19577
0644
edit
dl
rm
class-wp-taxonomy.php
18559
0644
edit
dl
rm
class-wp-term-query.php
40953
0644
edit
dl
rm
class-wp-term.php
5298
0644
edit
dl
rm
class-wp-text-diff-renderer-inline.php
979
0644
edit
dl
rm
class-wp-text-diff-renderer-table.php
18880
0644
edit
dl
rm
class-wp-textdomain-registry.php
10481
0644
edit
dl
rm
class-wp-theme-json-data.php
1809
0644
edit
dl
rm
class-wp-theme-json-resolver.php
35738
0644
edit
dl
rm
class-wp-theme-json-schema.php
7367
0644
edit
dl
rm
class-wp-theme-json.php
164347
0644
edit
dl
rm
class-wp-theme.php
65810
0644
edit
dl
rm
class-wp-token-map.php
28618
0644
edit
dl
rm
class-wp-url-pattern-prefixer.php
4802
0644
edit
dl
rm
class-wp-user-meta-session-tokens.php
3011
0644
edit
dl
rm
class-wp-user-query.php
44166
0644
edit
dl
rm
class-wp-user-request.php
2305
0644
edit
dl
rm
class-wp-user.php
23044
0644
edit
dl
rm
class-wp-walker.php
13322
0644
edit
dl
rm
class-wp-widget-factory.php
3347
0644
edit
dl
rm
class-wp-widget.php
18429
0644
edit
dl
rm
class-wp-xmlrpc-server.php
215447
0644
edit
dl
rm
class-wp.php
26481
0644
edit
dl
rm
class-wpdb.php
118627
0644
edit
dl
rm
class.wp-dependencies.php
373
0644
edit
dl
rm
class.wp-scripts.php
343
0644
edit
dl
rm
class.wp-styles.php
338
0644
edit
dl
rm
comment-template.php
103145
0644
edit
dl
rm
comment.php
134069
0644
edit
dl
rm
compat-utf8.php
19554
0644
edit
dl
rm
compat.php
17830
0644
edit
dl
rm
cron.php
42988
0644
edit
dl
rm
date.php
400
0644
edit
dl
rm
default-constants.php
11365
0644
edit
dl
rm
default-filters.php
37910
0644
edit
dl
rm
default-widgets.php
2295
0644
edit
dl
rm
deprecated.php
192644
0644
edit
dl
rm
embed-template.php
338
0644
edit
dl
rm
embed.php
38911
0644
edit
dl
rm
error-protection.php
4121
0644
edit
dl
rm
feed-atom-comments.php
5504
0644
edit
dl
rm
feed-atom.php
3121
0644
edit
dl
rm
feed-rdf.php
2668
0644
edit
dl
rm
feed-rss.php
1189
0644
edit
dl
rm
feed-rss2-comments.php
4136
0644
edit
dl
rm
feed-rss2.php
3799
0644
edit
dl
rm
feed.php
25189
0644
edit
dl
rm
fonts.php
9790
0644
edit
dl
rm
formatting.php
354741
0644
edit
dl
rm
functions.php
288600
0644
edit
dl
rm
functions.wp-scripts.php
15311
0644
edit
dl
rm
functions.wp-styles.php
8641
0644
edit
dl
rm
general-template.php
173004
0644
edit
dl
rm
global-styles-and-settings.php
21204
0644
edit
dl
rm
http.php
27650
0644
edit
dl
rm
https-detection.php
5857
0644
edit
dl
rm
https-migration.php
4741
0644
edit
dl
rm
kses.php
83849
0644
edit
dl
rm
l10n.php
68797
0644
edit
dl
rm
link-template.php
160117
0644
edit
dl
rm
load.php
56510
0644
edit
dl
rm
locale.php
162
0644
edit
dl
rm
media-template.php
63197
0644
edit
dl
rm
media.php
221247
0644
edit
dl
rm
meta.php
66556
0644
edit
dl
rm
ms-blogs.php
25845
0644
edit
dl
rm
ms-default-constants.php
4921
0644
edit
dl
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ms-default-filters.php
6636
0644
edit
dl
rm
ms-deprecated.php
21759
0644
edit
dl
rm
ms-files.php
2857
0644
edit
dl
rm
ms-functions.php
91842
0644
edit
dl
rm
ms-load.php
19887
0644
edit
dl
rm
ms-network.php
3782
0644
edit
dl
rm
ms-settings.php
4204
0644
edit
dl
rm
ms-site.php
41717
0644
edit
dl
rm
nav-menu-template.php
25990
0644
edit
dl
rm
nav-menu.php
44347
0644
edit
dl
rm
option.php
105035
0644
edit
dl
rm
pluggable-deprecated.php
6324
0644
edit
dl
rm
pluggable.php
127457
0644
edit
dl
rm
plugin.php
36501
0644
edit
dl
rm
post-formats.php
7102
0644
edit
dl
rm
post-template.php
68648
0644
edit
dl
rm
post-thumbnail-template.php
10879
0644
edit
dl
rm
post.php
296072
0644
edit
dl
rm
query.php
37095
0644
edit
dl
rm
registration-functions.php
200
0644
edit
dl
rm
registration.php
200
0644
edit
dl
rm
rest-api.php
100984
0644
edit
dl
rm
revision.php
30741
0644
edit
dl
rm
rewrite.php
19490
0644
edit
dl
rm
robots-template.php
5185
0644
edit
dl
rm
rss-functions.php
255
0644
edit
dl
rm
rss.php
23203
0644
edit
dl
rm
script-loader.php
158344
0644
edit
dl
rm
script-modules.php
9911
0644
edit
dl
rm
session.php
258
0644
edit
dl
rm
shortcodes.php
24050
0644
edit
dl
rm
sitemaps.php
3238
0644
edit
dl
rm
speculative-loading.php
8600
0644
edit
dl
rm
spl-autoload-compat.php
441
0644
edit
dl
rm
style-engine.php
7563
0644
edit
dl
rm
taxonomy.php
177058
0644
edit
dl
rm
template-canvas.php
544
0644
edit
dl
rm
template-loader.php
4267
0644
edit
dl
rm
template.php
36834
0644
edit
dl
rm
theme-i18n.json
1730
0644
edit
dl
rm
theme-previews.php
2910
0644
edit
dl
rm
theme-templates.php
6238
0644
edit
dl
rm
theme.json
8921
0644
edit
dl
rm
theme.php
135008
0644
edit
dl
rm
update.php
38353
0644
edit
dl
rm
user.php
178710
0644
edit
dl
rm
utf8.php
7260
0644
edit
dl
rm
vars.php
6562
0644
edit
dl
rm
version.php
1106
0644
edit
dl
rm
widgets.php
71129
0644
edit
dl
rm
wp-db.php
445
0644
edit
dl
rm
wp-diff.php
799
0644
edit
dl
rm
Edit:
/var/www/vhosts/ihelp.ro/ajutam.ro/wp-includes/class-wp-image-editor-imagick.php
(43415B)
<?php /** * WordPress Imagick Image Editor * * @package WordPress * @subpackage Image_Editor */ /** * WordPress Image Editor Class for Image Manipulation through Imagick PHP Module * * @since 3.5.0 * * @see WP_Image_Editor */ class WP_Image_Editor_Imagick extends WP_Image_Editor { /** * Imagick object. * * @var Imagick */ protected $image; /** * Temporarily stores stream image data while processing internally. * * @see self::pdf_load_source() * * @since 7.0.4 * * @var string|null */ private $stream_file_data = null; /** * Temporarily stores the parsed given name for an image while processing internally. * * @see self::pdf_load_source() * * @since 7.0.4 * * @var string|null */ private $image_given_name = null; public function __destruct() { if ( $this->image instanceof Imagick ) { // We don't need the original in memory anymore. $this->image->clear(); $this->image->destroy(); } } /** * Checks to see if current environment supports Imagick. * * We require Imagick 2.2.0 or greater, based on whether the queryFormats() * method can be called statically. * * @since 3.5.0 * * @param array $args * @return bool */ public static function test( $args = array() ) { // First, test Imagick's extension and classes. if ( ! extension_loaded( 'imagick' ) || ! class_exists( 'Imagick', false ) || ! class_exists( 'ImagickPixel', false ) ) { return false; } if ( version_compare( phpversion( 'imagick' ), '2.2.0', '<' ) ) { return false; } $required_methods = array( 'clear', 'destroy', 'valid', 'getimage', 'writeimage', 'getimageblob', 'getimagegeometry', 'getimageformat', 'setimageformat', 'setimagecompression', 'setimagecompressionquality', 'setimagepage', 'setoption', 'scaleimage', 'cropimage', 'rotateimage', 'flipimage', 'flopimage', 'readimage', 'readimageblob', ); // Now, test for deep requirements within Imagick. if ( ! defined( 'imagick::COMPRESSION_JPEG' ) ) { return false; } $class_methods = array_map( 'strtolower', get_class_methods( 'Imagick' ) ); if ( array_diff( $required_methods, $class_methods ) ) { return false; } return true; } /** * Checks to see if editor supports the mime-type specified. * * @since 3.5.0 * * @param string $mime_type * @return bool */ public static function supports_mime_type( $mime_type ) { $imagick_extension = strtoupper( self::get_extension( $mime_type ) ); if ( ! $imagick_extension ) { return false; } /* * setIteratorIndex is optional unless mime is an animated format. * Here, we just say no if you are missing it and aren't loading a jpeg. */ if ( ! method_exists( 'Imagick', 'setIteratorIndex' ) && 'image/jpeg' !== $mime_type ) { return false; } try { // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged return ( (bool) @Imagick::queryFormats( $imagick_extension ) ); } catch ( Exception $e ) { return false; } } /** * Loads image from $this->file into new Imagick Object. * * @since 3.5.0 * * @return true|WP_Error True if loaded; WP_Error on failure. */ public function load() { if ( $this->image instanceof Imagick ) { return true; } $is_stream = wp_is_stream( $this->file ); $is_file = ! $is_stream && is_file( $this->file ); // Only allow loading files or streams. if ( ! $is_file && ! $is_stream ) { return new WP_Error( 'error_loading_image', __( 'File does not exist?' ), $this->file ); } // Establish the provided filename based on the kind of resource being loaded. $given_filename = $this->file; if ( 0 === strncasecmp( $given_filename, 'file://', 7 ) ) { $given_filename = basename( substr( $given_filename, 7 ) ); // 7 is the strlen of 'file://'. } elseif ( 1 === preg_match( '~^https?://~i', $this->file ) ) { /* * For URLs, it will be the final path segment. * * Example: * * https://wordpress.org/i/happy.png?size=40px * ╰───────╯ * this is the given filename * * If the stream returns a `Content-Disposition` header it would * provide an alternative name, but this is used as a reasonable * proxy to avoid adding the additional complexity of reading and * parsing the returned HTTP headers. */ $url_path = wp_parse_url( $this->file, PHP_URL_PATH ); // This URL can not be parsed, so it is not a valid image resource. if ( false === $url_path ) { return new WP_Error( 'error_loading_image', __( 'File is not an image.' ), $this->file ); } /** * The URL has an empty path, so continue with an empty string. * * This is the case with a URL such as `https://example.com?file_id=123` */ if ( null === $url_path ) { $url_path = ''; } $last_path_at = strrpos( $url_path, '/' ); $given_filename = is_int( $last_path_at ) ? substr( $url_path, $last_path_at + 1 ) : $url_path; $given_filename = rawurldecode( $given_filename ); } /* * Strip off any potential `Imagick` format specifiers. * * If a real file exists with the identified format specifier, then * `Imagick` may not treat it as a format, but WordPress will reject * it anyway to avoid adding more complexity into this detection. * * `Imagick` reads only the first `FORMAT:` specifier on a name, but * stripping a segment would promote a second specifier to the front * of the name handed to `Imagick`, which would then honor it. * * Loop to capture all format specifiers for comparison. * * Exclude Windows drive-letter prefixes from here. */ $imagick_formats = array(); while ( false !== ( $format_ends_at = strpos( $given_filename, ':' ) ) && 1 !== preg_match( '~^[a-z]:~i', $given_filename ) ) { $imagick_formats[] = strtoupper( substr( $given_filename, 0, $format_ends_at ) ); $given_filename = substr( $given_filename, $format_ends_at + 1 ); } $file_extension = strtolower( pathinfo( $given_filename, PATHINFO_EXTENSION ) ); /* * Even though Imagick uses less PHP memory than GD, set higher limit * for users that have low PHP.ini limits. */ wp_raise_memory_limit( 'image' ); /** * Read the resource header for MIME sniffing. * * For files, which will be passed into Imagick by their file names, avoid * eagerly loading the entire contents into PHP memory. For streams, however, * it’s more important to avoid validating a separate copy of the file data * than is later fetched by Imagick, so go ahead and load the entire payload, * then pass it to Imagick as the data blob itself. * * @link https://mimesniff.spec.whatwg.org/#reading-the-resource-header */ try { if ( $is_file ) { $file_data = file_get_contents( $this->file, false, null, 0, 1445 ); } else { $file_data = file_get_contents( $this->file ); } } catch ( Exception $e ) { $file_data = false; } if ( false === $file_data ) { return new WP_Error( 'error_loading_image', __( 'File does not exist?' ), $this->file ); } $pdf_extensions = array( 'ai', 'epdf', 'pdf', 'pdfa', 'pocketmod', ); // Reject files claiming to be PDFs which lack the required signature. $has_pdf_extension = in_array( $file_extension, $pdf_extensions, true ); $has_pdf_signature = str_starts_with( $file_data, '%PDF-' ); if ( $has_pdf_extension && ! $has_pdf_signature ) { return new WP_Error( 'invalid_image', __( 'File is not an image.' ), $this->file ); } $ps_formats = array( 'DPS', 'EPI', 'EPS', 'EPSF', 'EPSI', 'PS', 'WPG', ); $ps_extensions = array( 'dps', 'epi', 'eps', 'eps2', 'eps3', 'epsf', 'epsi', 'ept', 'ept2', 'ept3', 'ps', 'ps2', 'ps3', 'wpg', ); // Reject files which Imagick will parse as PostScript. if ( array() !== array_intersect( $imagick_formats, $ps_formats ) || in_array( $file_extension, $ps_extensions, true ) || str_starts_with( $file_data, '%!' ) || str_starts_with( $file_data, "\x04%!" ) || str_starts_with( $file_data, "\xC5\xD0\xD3\xC6" ) || str_starts_with( $file_data, "\xFFWPC" ) ) { return new WP_Error( 'invalid_image', __( 'File is not an image.' ), $this->file ); } $compressed_extensions = array( 'gz', 'bz2', 'svgz', 'z', 'wmz', ); /* * Reject compressed archives that Imagick will transparently decompress. * Unfortunately this rejects `.svgz` because there’s no intermediate step * in the loading process. `Imagick` would decompress the file, then look * to see what kind of content was decompressed instead of asserting SVG. */ if ( in_array( $file_extension, $compressed_extensions, true ) || str_starts_with( $file_data, "\x1F\x8B\x08" ) || // gzip str_starts_with( $file_data, 'BZh' ) || // bzip2 str_starts_with( $file_data, "\x1F\x9D" ) // compress ) { return new WP_Error( 'invalid_image', __( 'File is not an image.' ), $this->file ); } try { $this->image = new Imagick(); if ( $has_pdf_signature ) { /* * Load these values for use in the helper method without forcing a change * of its expected arguments, but then free them after calling to prevent * keeping them around in memory and bloating the app. */ $this->stream_file_data = $is_stream ? $file_data : null; $this->image_given_name = $given_filename; $pdf_loaded = $this->pdf_load_source(); $this->stream_file_data = null; $this->image_given_name = null; if ( is_wp_error( $pdf_loaded ) ) { return $pdf_loaded; } } else { if ( $is_stream ) { $this->image->readImageBlob( $file_data, $given_filename ); } else { $this->image->readImage( $this->file ); } } if ( ! $this->image->valid() ) { return new WP_Error( 'invalid_image', __( 'File is not an image.' ), $this->file ); } // Select the first frame to handle animated images properly. if ( is_callable( array( $this->image, 'setIteratorIndex' ) ) ) { $this->image->setIteratorIndex( 0 ); } if ( $has_pdf_signature ) { $this->remove_pdf_alpha_channel(); } $this->mime_type = $this->get_mime_type( $this->image->getImageFormat() ); } catch ( Exception $e ) { return new WP_Error( 'invalid_image', $e->getMessage(), $this->file ); } $updated_size = $this->update_size(); if ( is_wp_error( $updated_size ) ) { return $updated_size; } return $this->set_quality(); } /** * Sets Image Compression quality on a 1-100% scale. * * @since 3.5.0 * @since 6.8.0 The `$dims` parameter was added. * * @param int $quality Compression Quality. Range: [1,100] * @param array $dims Optional. Image dimensions array with 'width' and 'height' keys. * @return true|WP_Error True if set successfully; WP_Error on failure. */ public function set_quality( $quality = null, $dims = array() ) { $quality_result = parent::set_quality( $quality, $dims ); if ( is_wp_error( $quality_result ) ) { return $quality_result; } else { $quality = $this->get_quality(); } try { switch ( $this->mime_type ) { case 'image/jpeg': $this->image->setImageCompressionQuality( $quality ); $this->image->setCompressionQuality( $quality ); $this->image->setImageCompression( imagick::COMPRESSION_JPEG ); break; case 'image/webp': $webp_info = wp_get_webp_info( $this->file ); if ( 'lossless' === $webp_info['type'] ) { // Use WebP lossless settings. $this->image->setImageCompressionQuality( 100 ); $this->image->setCompressionQuality( 100 ); $this->image->setOption( 'webp:lossless', 'true' ); parent::set_quality( 100 ); } else { $this->image->setImageCompressionQuality( $quality ); $this->image->setCompressionQuality( $quality ); } break; case 'image/avif': // Set the AVIF encoder to work faster, with minimal impact on image size. $this->image->setOption( 'heic:speed', 7 ); $this->image->setImageCompressionQuality( $quality ); $this->image->setCompressionQuality( $quality ); break; default: $this->image->setImageCompressionQuality( $quality ); $this->image->setCompressionQuality( $quality ); } } catch ( Exception $e ) { return new WP_Error( 'image_quality_error', $e->getMessage() ); } return true; } /** * Sets or updates current image size. * * @since 3.5.0 * * @param int $width * @param int $height * @return true|WP_Error */ protected function update_size( $width = null, $height = null ) { $size = null; if ( ! $width || ! $height ) { try { $size = $this->image->getImageGeometry(); } catch ( Exception $e ) { return new WP_Error( 'invalid_image', __( 'Could not read image size.' ), $this->file ); } } if ( ! $width ) { $width = $size['width']; } if ( ! $height ) { $height = $size['height']; } /* * If we still don't have the image size, fall back to `wp_getimagesize`. This ensures AVIF and HEIC images * are properly sized without affecting previous `getImageGeometry` behavior. */ if ( ( ! $width || ! $height ) && ( 'image/avif' === $this->mime_type || wp_is_heic_image_mime_type( $this->mime_type ) ) ) { $size = wp_getimagesize( $this->file ); $width = $size[0]; $height = $size[1]; } return parent::update_size( $width, $height ); } /** * Sets Imagick time limit. * * Depending on configuration, Imagick processing may take time. * * Multiple problems exist if PHP times out before ImageMagick completed: * 1. Temporary files aren't cleaned by ImageMagick garbage collection. * 2. No clear error is provided. * 3. The cause of such timeout can be hard to pinpoint. * * This function, which is expected to be run before heavy image routines, resolves * point 1 above by aligning Imagick's timeout with PHP's timeout, assuming it is set. * * However seems it introduces more problems than it fixes, * see https://core.trac.wordpress.org/ticket/58202. * * Note: * - Imagick resource exhaustion does not issue catchable exceptions (yet). * See https://github.com/Imagick/imagick/issues/333. * - The resource limit is not saved/restored. It applies to subsequent * image operations within the time of the HTTP request. * * @since 6.2.0 * @deprecated 6.3.0 No longer used in core. * * @return int|null The new limit on success, null on failure. */ public static function set_imagick_time_limit() { _deprecated_function( __METHOD__, '6.3.0' ); if ( ! defined( 'Imagick::RESOURCETYPE_TIME' ) ) { return null; } // Returns PHP_FLOAT_MAX if unset. $imagick_timeout = Imagick::getResourceLimit( Imagick::RESOURCETYPE_TIME ); // Convert to an integer, keeping in mind that: 0 === (int) PHP_FLOAT_MAX. $imagick_timeout = $imagick_timeout > PHP_INT_MAX ? PHP_INT_MAX : (int) $imagick_timeout; $php_timeout = (int) ini_get( 'max_execution_time' ); if ( $php_timeout > 1 && $php_timeout < $imagick_timeout ) { $limit = (float) 0.8 * $php_timeout; Imagick::setResourceLimit( Imagick::RESOURCETYPE_TIME, $limit ); return $limit; } } /** * Resizes current image. * * At minimum, either a height or width must be provided. * If one of the two is set to null, the resize will * maintain aspect ratio according to the provided dimension. * * @since 3.5.0 * * @param int|null $max_w Image width. * @param int|null $max_h Image height. * @param bool|array $crop { * Optional. Image cropping behavior. If false, the image will be scaled (default). * If true, image will be cropped to the specified dimensions using center positions. * If an array, the image will be cropped using the array to specify the crop location: * * @type string $0 The x crop position. Accepts 'left', 'center', or 'right'. * @type string $1 The y crop position. Accepts 'top', 'center', or 'bottom'. * } * @return true|WP_Error */ public function resize( $max_w, $max_h, $crop = false ) { if ( ( $this->size['width'] === $max_w ) && ( $this->size['height'] === $max_h ) ) { return true; } $dims = image_resize_dimensions( $this->size['width'], $this->size['height'], $max_w, $max_h, $crop ); if ( ! $dims ) { return new WP_Error( 'error_getting_dimensions', __( 'Could not calculate resized image dimensions' ) ); } list( $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h ) = $dims; if ( $crop ) { return $this->crop( $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h ); } $this->set_quality( null, array( 'width' => $dst_w, 'height' => $dst_h, ) ); // Execute the resize. $thumb_result = $this->thumbnail_image( $dst_w, $dst_h ); if ( is_wp_error( $thumb_result ) ) { return $thumb_result; } return $this->update_size( $dst_w, $dst_h ); } /** * Efficiently resize the current image * * This is a WordPress specific implementation of Imagick::thumbnailImage(), * which resizes an image to given dimensions and removes any associated profiles. * * @since 4.5.0 * * @param int $dst_w The destination width. * @param int $dst_h The destination height. * @param string $filter_name Optional. The Imagick filter to use when resizing. Default 'FILTER_TRIANGLE'. * @param bool $strip_meta Optional. Strip all profiles, excluding color profiles, from the image. Default true. * @return void|WP_Error */ protected function thumbnail_image( $dst_w, $dst_h, $filter_name = 'FILTER_TRIANGLE', $strip_meta = true ) { $allowed_filters = array( 'FILTER_POINT', 'FILTER_BOX', 'FILTER_TRIANGLE', 'FILTER_HERMITE', 'FILTER_HANNING', 'FILTER_HAMMING', 'FILTER_BLACKMAN', 'FILTER_GAUSSIAN', 'FILTER_QUADRATIC', 'FILTER_CUBIC', 'FILTER_CATROM', 'FILTER_MITCHELL', 'FILTER_LANCZOS', 'FILTER_BESSEL', 'FILTER_SINC', ); /** * Set the filter value if '$filter_name' name is in the allowed list and the related * Imagick constant is defined or fall back to the default filter. */ if ( in_array( $filter_name, $allowed_filters, true ) && defined( 'Imagick::' . $filter_name ) ) { $filter = constant( 'Imagick::' . $filter_name ); } else { $filter = defined( 'Imagick::FILTER_TRIANGLE' ) ? Imagick::FILTER_TRIANGLE : false; } /** * Filters whether to strip metadata from images when they're resized. * * This filter only applies when resizing using the Imagick editor since GD * always strips profiles by default. * * @since 4.5.0 * * @param bool $strip_meta Whether to strip image metadata during resizing. Default true. */ if ( apply_filters( 'image_strip_meta', $strip_meta ) ) { $this->strip_meta(); // Fail silently if not supported. } try { /** * Special handling for certain types of PNG images: * 1. For PNG images, we need to specify compression settings and remove unneeded chunks. * 2. For indexed PNG images, the number of colors must not exceed 256. * 3. For indexed PNG images with an alpha channel, the tRNS chunk must be preserved. * 4. For indexed PNG images with true alpha transparency (an alpha channel > 1 bit), we need to avoid saving * the image using ImageMagick's 'png8' format, because that supports only binary (1 bit) transparency. * * For #4 we want to check whether the image has a 1-bit alpha channel before resizing, because resizing * may cause the number of alpha values to multiply due to antialiasing. If the original image had only a * 1-bit alpha channel, then a 1-bit alpha channel should be good enough for the resized images. * * Perform all the necessary checks before resizing the image and store the results in variables for later use. */ $is_png = false; $is_indexed_png = false; $is_indexed_png_with_alpha_channel = false; $is_indexed_png_with_true_alpha_transparency = false; if ( 'image/png' === $this->mime_type ) { $is_png = true; if ( is_callable( array( $this->image, 'getImageProperty' ) ) && '3' === $this->image->getImageProperty( 'png:IHDR.color-type-orig' ) ) { $is_indexed_png = true; if ( is_callable( array( $this->image, 'getImageAlphaChannel' ) ) && $this->image->getImageAlphaChannel() ) { $is_indexed_png_with_alpha_channel = true; if ( is_callable( array( $this->image, 'getImageChannelDepth' ) ) && defined( 'Imagick::CHANNEL_ALPHA' ) && 1 < $this->image->getImageChannelDepth( Imagick::CHANNEL_ALPHA ) ) { $is_indexed_png_with_true_alpha_transparency = true; } } } } /* * To be more efficient, resample large images to 5x the destination size before resizing * whenever the output size is less that 1/3 of the original image size (1/3^2 ~= .111), * unless we would be resampling to a scale smaller than 128x128. */ if ( is_callable( array( $this->image, 'sampleImage' ) ) ) { $resize_ratio = ( $dst_w / $this->size['width'] ) * ( $dst_h / $this->size['height'] ); $sample_factor = 5; if ( $resize_ratio < .111 && ( $dst_w * $sample_factor > 128 && $dst_h * $sample_factor > 128 ) ) { $this->image->sampleImage( $dst_w * $sample_factor, $dst_h * $sample_factor ); } } /* * Use resizeImage() when it's available and a valid filter value is set. * Otherwise, fall back to the scaleImage() method for resizing, which * results in better image quality over resizeImage() with default filter * settings and retains backward compatibility with pre 4.5 functionality. */ if ( is_callable( array( $this->image, 'resizeImage' ) ) && $filter ) { $this->image->setOption( 'filter:support', '2.0' ); $this->image->resizeImage( $dst_w, $dst_h, $filter, 1 ); } else { $this->image->scaleImage( $dst_w, $dst_h ); } // Set appropriate quality settings after resizing. if ( 'image/jpeg' === $this->mime_type ) { if ( is_callable( array( $this->image, 'unsharpMaskImage' ) ) ) { $this->image->unsharpMaskImage( 0.25, 0.25, 8, 0.065 ); } $this->image->setOption( 'jpeg:fancy-upsampling', 'off' ); } if ( $is_png ) { $this->image->setOption( 'png:compression-filter', '5' ); $this->image->setOption( 'png:compression-level', '9' ); $this->image->setOption( 'png:compression-strategy', '1' ); // Indexed PNG files get some additional handling. // See #63448 for details. if ( $is_indexed_png ) { // Check for an alpha channel. if ( $is_indexed_png_with_alpha_channel ) { $this->image->setOption( 'png:include-chunk', 'tRNS' ); } else { $this->image->setOption( 'png:exclude-chunk', 'all' ); } $this->image->quantizeImage( 256, $this->image->getColorspace(), 0, false, false ); /* * If the colorspace is 'gray', use the png8 format to ensure it stays indexed. * ImageMagick tends to save grayscale images as grayscale PNGs rather than indexed PNGs, * even though grayscale PNGs usually have considerably larger file sizes. * But we can force ImageMagick to save the image as an indexed PNG instead, * by telling it to use png8 format. * * Note that we need to first call quantizeImage() before checking getImageColorspace(), * because only after calling quantizeImage() will the colorspace be COLORSPACE_GRAY for grayscale images * (and we have not found any other way to identify grayscale images). * * We need to avoid forcing indexed format for images with true alpha transparency, * because ImageMagick does not support saving an image with true alpha transparency as an indexed PNG. */ if ( Imagick::COLORSPACE_GRAY === $this->image->getImageColorspace() && ! $is_indexed_png_with_true_alpha_transparency ) { // Set the image format to Indexed PNG. $this->image->setOption( 'png:format', 'png8' ); } } else { $this->image->setOption( 'png:exclude-chunk', 'all' ); } } /* * If alpha channel is not defined, set it opaque. * * Note that Imagick::getImageAlphaChannel() is only available if Imagick * has been compiled against ImageMagick version 6.4.0 or newer. */ if ( is_callable( array( $this->image, 'getImageAlphaChannel' ) ) && is_callable( array( $this->image, 'setImageAlphaChannel' ) ) && defined( 'Imagick::ALPHACHANNEL_UNDEFINED' ) && defined( 'Imagick::ALPHACHANNEL_OPAQUE' ) ) { if ( $this->image->getImageAlphaChannel() === Imagick::ALPHACHANNEL_UNDEFINED ) { $this->image->setImageAlphaChannel( Imagick::ALPHACHANNEL_OPAQUE ); } } // Limit the bit depth of resized images. if ( is_callable( array( $this->image, 'getImageDepth' ) ) && is_callable( array( $this->image, 'setImageDepth' ) ) ) { /** * Filters the maximum bit depth of resized images. * * This filter only applies when resizing using the Imagick editor since GD * does not support getting or setting bit depth. * * Use this to adjust the maximum bit depth of resized images. * * @since 6.8.0 * * @param int $max_depth The maximum bit depth. Default is the input depth. * @param int $image_depth The bit depth of the original image. */ $max_depth = apply_filters( 'image_max_bit_depth', $this->image->getImageDepth(), $this->image->getImageDepth() ); $this->image->setImageDepth( $max_depth ); } } catch ( Exception $e ) { return new WP_Error( 'image_resize_error', $e->getMessage() ); } } /** * Create multiple smaller images from a single source. * * Attempts to create all sub-sizes and returns the meta data at the end. This * may result in the server running out of resources. When it fails there may be few * "orphaned" images left over as the meta data is never returned and saved. * * As of 5.3.0 the preferred way to do this is with `make_subsize()`. It creates * the new images one at a time and allows for the meta data to be saved after * each new image is created. * * @since 3.5.0 * * @param array $sizes { * An array of image size data arrays. * * Either a height or width must be provided. * If one of the two is set to null, the resize will * maintain aspect ratio according to the provided dimension. * * @type array ...$0 { * Array of height, width values, and whether to crop. * * @type int $width Image width. Optional if `$height` is specified. * @type int $height Image height. Optional if `$width` is specified. * @type bool|array $crop Optional. Whether to crop the image. Default false. * } * } * @return array An array of resized images' metadata by size. */ public function multi_resize( $sizes ) { $metadata = array(); foreach ( $sizes as $size => $size_data ) { $meta = $this->make_subsize( $size_data ); if ( ! is_wp_error( $meta ) ) { $metadata[ $size ] = $meta; } } return $metadata; } /** * Create an image sub-size and return the image meta data value for it. * * @since 5.3.0 * * @param array $size_data { * Array of size data. * * @type int $width The maximum width in pixels. * @type int $height The maximum height in pixels. * @type bool|array $crop Whether to crop the image to exact dimensions. * } * @return array|WP_Error The image data array for inclusion in the `sizes` array in the image meta, * WP_Error object on error. */ public function make_subsize( $size_data ) { if ( ! isset( $size_data['width'] ) && ! isset( $size_data['height'] ) ) { return new WP_Error( 'image_subsize_create_error', __( 'Cannot resize the image. Both width and height are not set.' ) ); } $orig_size = $this->size; $orig_image = $this->image->getImage(); if ( ! isset( $size_data['width'] ) ) { $size_data['width'] = null; } if ( ! isset( $size_data['height'] ) ) { $size_data['height'] = null; } if ( ! isset( $size_data['crop'] ) ) { $size_data['crop'] = false; } if ( ( $this->size['width'] === $size_data['width'] ) && ( $this->size['height'] === $size_data['height'] ) ) { return new WP_Error( 'image_subsize_create_error', __( 'The image already has the requested size.' ) ); } $resized = $this->resize( $size_data['width'], $size_data['height'], $size_data['crop'] ); if ( is_wp_error( $resized ) ) { $saved = $resized; } else { $saved = $this->_save( $this->image ); $this->image->clear(); $this->image->destroy(); $this->image = null; } $this->size = $orig_size; $this->image = $orig_image; if ( ! is_wp_error( $saved ) ) { unset( $saved['path'] ); } return $saved; } /** * Crops Image. * * @since 3.5.0 * * @param int $src_x The start x position to crop from. * @param int $src_y The start y position to crop from. * @param int $src_w The width to crop. * @param int $src_h The height to crop. * @param int $dst_w Optional. The destination width. * @param int $dst_h Optional. The destination height. * @param bool $src_abs Optional. If the source crop points are absolute. * @return true|WP_Error */ public function crop( $src_x, $src_y, $src_w, $src_h, $dst_w = null, $dst_h = null, $src_abs = false ) { if ( $src_abs ) { $src_w -= $src_x; $src_h -= $src_y; } try { $this->image->cropImage( $src_w, $src_h, $src_x, $src_y ); $this->image->setImagePage( $src_w, $src_h, 0, 0 ); if ( $dst_w || $dst_h ) { /* * If destination width/height isn't specified, * use same as width/height from source. */ if ( ! $dst_w ) { $dst_w = $src_w; } if ( ! $dst_h ) { $dst_h = $src_h; } $thumb_result = $this->thumbnail_image( $dst_w, $dst_h ); if ( is_wp_error( $thumb_result ) ) { return $thumb_result; } return $this->update_size(); } } catch ( Exception $e ) { return new WP_Error( 'image_crop_error', $e->getMessage() ); } return $this->update_size(); } /** * Rotates current image counter-clockwise by $angle. * * @since 3.5.0 * * @param float $angle * @return true|WP_Error */ public function rotate( $angle ) { /** * $angle is 360-$angle because Imagick rotates clockwise * (GD rotates counter-clockwise) */ try { $this->image->rotateImage( new ImagickPixel( 'none' ), 360 - $angle ); // Normalize EXIF orientation data so that display is consistent across devices. if ( is_callable( array( $this->image, 'setImageOrientation' ) ) && defined( 'Imagick::ORIENTATION_TOPLEFT' ) ) { $this->image->setImageOrientation( Imagick::ORIENTATION_TOPLEFT ); } // Since this changes the dimensions of the image, update the size. $result = $this->update_size(); if ( is_wp_error( $result ) ) { return $result; } $this->image->setImagePage( $this->size['width'], $this->size['height'], 0, 0 ); } catch ( Exception $e ) { return new WP_Error( 'image_rotate_error', $e->getMessage() ); } return true; } /** * Flips current image. * * @since 3.5.0 * * @param bool $horz Flip along Horizontal Axis * @param bool $vert Flip along Vertical Axis * @return true|WP_Error */ public function flip( $horz, $vert ) { try { if ( $horz ) { $this->image->flipImage(); } if ( $vert ) { $this->image->flopImage(); } // Normalize EXIF orientation data so that display is consistent across devices. if ( is_callable( array( $this->image, 'setImageOrientation' ) ) && defined( 'Imagick::ORIENTATION_TOPLEFT' ) ) { $this->image->setImageOrientation( Imagick::ORIENTATION_TOPLEFT ); } } catch ( Exception $e ) { return new WP_Error( 'image_flip_error', $e->getMessage() ); } return true; } /** * Check if a JPEG image has EXIF Orientation tag and rotate it if needed. * * As ImageMagick copies the EXIF data to the flipped/rotated image, proceed only * if EXIF Orientation can be reset afterwards. * * @since 5.3.0 * * @return bool|WP_Error True if the image was rotated. False if no EXIF data or if the image doesn't need rotation. * WP_Error if error while rotating. */ public function maybe_exif_rotate() { if ( is_callable( array( $this->image, 'setImageOrientation' ) ) && defined( 'Imagick::ORIENTATION_TOPLEFT' ) ) { return parent::maybe_exif_rotate(); } else { return new WP_Error( 'write_exif_error', __( 'The image cannot be rotated because the embedded meta data cannot be updated.' ) ); } } /** * Saves current image to file. * * @since 3.5.0 * @since 6.0.0 The `$filesize` value was added to the returned array. * * @param string $destfilename Optional. Destination filename. Default null. * @param string $mime_type Optional. The mime-type. Default null. * @return array|WP_Error { * Array on success or WP_Error if the file failed to save. * * @type string $path Path to the image file. * @type string $file Name of the image file. * @type int $width Image width. * @type int $height Image height. * @type string $mime-type The mime type of the image. * @type int $filesize File size of the image. * } */ public function save( $destfilename = null, $mime_type = null ) { $saved = $this->_save( $this->image, $destfilename, $mime_type ); if ( ! is_wp_error( $saved ) ) { $this->file = $saved['path']; $this->mime_type = $saved['mime-type']; try { $this->image->setImageFormat( strtoupper( $this->get_extension( $this->mime_type ) ) ); } catch ( Exception $e ) { return new WP_Error( 'image_save_error', $e->getMessage(), $this->file ); } } return $saved; } /** * Removes PDF alpha after it's been read. * * @since 6.4.0 */ protected function remove_pdf_alpha_channel() { $version = Imagick::getVersion(); // Remove alpha channel if possible to avoid black backgrounds for Ghostscript >= 9.14. RemoveAlphaChannel added in ImageMagick 6.7.5. if ( $version['versionNumber'] >= 0x675 ) { try { // Imagick::ALPHACHANNEL_REMOVE mapped to RemoveAlphaChannel in PHP imagick 3.2.0b2. $this->image->setImageAlphaChannel( defined( 'Imagick::ALPHACHANNEL_REMOVE' ) ? Imagick::ALPHACHANNEL_REMOVE : 12 ); } catch ( Exception $e ) { return new WP_Error( 'pdf_alpha_process_failed', $e->getMessage() ); } } } /** * @since 3.5.0 * @since 6.0.0 The `$filesize` value was added to the returned array. * * @param Imagick $image * @param string $filename * @param string $mime_type * @return array|WP_Error { * Array on success or WP_Error if the file failed to save. * * @type string $path Path to the image file. * @type string $file Name of the image file. * @type int $width Image width. * @type int $height Image height. * @type string $mime-type The mime type of the image. * @type int $filesize File size of the image. * } */ protected function _save( $image, $filename = null, $mime_type = null ) { list( $filename, $extension, $mime_type ) = $this->get_output_format( $filename, $mime_type ); if ( ! $filename ) { $filename = $this->generate_filename( null, null, $extension ); } try { // Store initial format. $orig_format = $this->image->getImageFormat(); $this->image->setImageFormat( strtoupper( $this->get_extension( $mime_type ) ) ); } catch ( Exception $e ) { return new WP_Error( 'image_save_error', $e->getMessage(), $filename ); } if ( method_exists( $this->image, 'setInterlaceScheme' ) && method_exists( $this->image, 'getInterlaceScheme' ) && defined( 'Imagick::INTERLACE_PLANE' ) ) { $orig_interlace = $this->image->getInterlaceScheme(); /** This filter is documented in wp-includes/class-wp-image-editor-gd.php */ if ( apply_filters( 'image_save_progressive', false, $mime_type ) ) { $this->image->setInterlaceScheme( Imagick::INTERLACE_PLANE ); // True - line interlace output. } else { $this->image->setInterlaceScheme( Imagick::INTERLACE_NO ); // False - no interlace output. } } $write_image_result = $this->write_image( $this->image, $filename ); if ( is_wp_error( $write_image_result ) ) { return $write_image_result; } try { // Reset original format. $this->image->setImageFormat( $orig_format ); if ( isset( $orig_interlace ) ) { $this->image->setInterlaceScheme( $orig_interlace ); } } catch ( Exception $e ) { return new WP_Error( 'image_save_error', $e->getMessage(), $filename ); } // Set correct file permissions. $stat = stat( dirname( $filename ) ); $perms = $stat['mode'] & 0000666; // Same permissions as parent folder, strip off the executable bits. chmod( $filename, $perms ); return array( 'path' => $filename, /** This filter is documented in wp-includes/class-wp-image-editor-gd.php */ 'file' => wp_basename( apply_filters( 'image_make_intermediate_size', $filename ) ), 'width' => $this->size['width'], 'height' => $this->size['height'], 'mime-type' => $mime_type, 'filesize' => wp_filesize( $filename ), ); } /** * Writes an image to a file or stream. * * @since 5.6.0 * * @param Imagick $image * @param string $filename The destination filename or stream URL. * @return true|WP_Error */ private function write_image( $image, $filename ) { if ( wp_is_stream( $filename ) ) { /* * Due to reports of issues with streams with `Imagick::writeImageFile()` and `Imagick::writeImage()`, copies the blob instead. * Checks for exact type due to: https://www.php.net/manual/en/function.file-put-contents.php */ if ( file_put_contents( $filename, $image->getImageBlob() ) === false ) { return new WP_Error( 'image_save_error', sprintf( /* translators: %s: PHP function name. */ __( '%s failed while writing image to stream.' ), '<code>file_put_contents()</code>' ), $filename ); } else { return true; } } else { $dirname = dirname( $filename ); if ( ! wp_mkdir_p( $dirname ) ) { return new WP_Error( 'image_save_error', sprintf( /* translators: %s: Directory path. */ __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), esc_html( $dirname ) ) ); } try { return $image->writeImage( $filename ); } catch ( Exception $e ) { return new WP_Error( 'image_save_error', $e->getMessage(), $filename ); } } } /** * Streams current image to browser. * * @since 3.5.0 * * @param string $mime_type The mime type of the image. * @return true|WP_Error True on success, WP_Error object on failure. */ public function stream( $mime_type = null ) { list( $filename, $extension, $mime_type ) = $this->get_output_format( null, $mime_type ); try { // Temporarily change format for stream. $this->image->setImageFormat( strtoupper( $extension ) ); // Output stream of image content. header( "Content-Type: $mime_type" ); print $this->image->getImageBlob(); // Reset image to original format. $this->image->setImageFormat( $this->get_extension( $this->mime_type ) ); } catch ( Exception $e ) { return new WP_Error( 'image_stream_error', $e->getMessage() ); } return true; } /** * Strips all image meta except color profiles from an image. * * @since 4.5.0 * * @return true|WP_Error True if stripping metadata was successful. WP_Error object on error. */ protected function strip_meta() { if ( ! is_callable( array( $this->image, 'getImageProfiles' ) ) ) { return new WP_Error( 'image_strip_meta_error', sprintf( /* translators: %s: ImageMagick method name. */ __( '%s is required to strip image meta.' ), '<code>Imagick::getImageProfiles()</code>' ) ); } if ( ! is_callable( array( $this->image, 'removeImageProfile' ) ) ) { return new WP_Error( 'image_strip_meta_error', sprintf( /* translators: %s: ImageMagick method name. */ __( '%s is required to strip image meta.' ), '<code>Imagick::removeImageProfile()</code>' ) ); } /* * Protect a few profiles from being stripped for the following reasons: * * - icc: Color profile information * - icm: Color profile information * - iptc: Copyright data * - exif: Orientation data * - xmp: Rights usage data */ $protected_profiles = array( 'icc', 'icm', 'iptc', 'exif', 'xmp', ); try { // Strip profiles. foreach ( $this->image->getImageProfiles( '*', true ) as $key => $value ) { if ( ! in_array( $key, $protected_profiles, true ) ) { $this->image->removeImageProfile( $key ); } } } catch ( Exception $e ) { return new WP_Error( 'image_strip_meta_error', $e->getMessage() ); } return true; } /** * Sets up Imagick for PDF processing. * Increases rendering DPI and only loads first page. * * @since 4.7.0 * * @return string|WP_Error File to load or WP_Error on failure. */ protected function pdf_setup() { try { /* * By default, PDFs are rendered in a very low resolution. * We want the thumbnail to be readable, so increase the rendering DPI. */ $this->image->setResolution( 128, 128 ); // Only load the first page. return $this->file . '[0]'; } catch ( Exception $e ) { return new WP_Error( 'pdf_setup_failed', $e->getMessage(), $this->file ); } } /** * Load the image produced by Ghostscript. * * Includes a workaround for a bug in Ghostscript 8.70 that prevents processing of some PDF files * when `use-cropbox` is set. * * @since 5.6.0 * * @return true|WP_Error */ protected function pdf_load_source() { $filename = $this->pdf_setup(); if ( is_wp_error( $filename ) ) { return $filename; } foreach ( array( 'true', 'false' ) as $use_cropbox ) { try { /** * When generating thumbnails from cropped PDF pages, Imagemagick uses the uncropped * area (resulting in unnecessary whitespace) unless the following option is set. * * However, it sometimes fails, so if that happens, run it without the option. * * @ticket 48853 */ $this->image->setOption( 'pdf:use-cropbox', $use_cropbox ); /* * Reading image after Imagick instantiation because `setResolution` * only applies correctly before the image is read. */ if ( is_string( $this->stream_file_data ) ) { $this->image->setFilename( 'PDF:unknown.pdf[0]' ); $this->image->readImageBlob( $this->stream_file_data, $this->image_given_name ); } else { $this->image->readImage( $filename ); } return true; } catch ( Exception $e ) { continue; } } return new WP_Error( 'invalid_image', __( 'File is not an image.' ), $this->file ); } }
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