Smush Image Compression and Optimization

Version Description

Release Info

Developer	alexdunae
Plugin	Smush Image Compression and Optimization
Version	1.1
Comparing to
See all releases

Code changes from version 1.0.2 to 1.1

Files changed (5) hide show

history.txt +15 -0
readme.txt +5 -4
screenshot-1.jpg +0 -0
smush.php +29 -0
wp-smushit.php +244 -218

history.txt ADDED Viewed

	@@ -0,0 +1,15 @@


1	+ === WP Smush.it Release History ===
2	+
3	+ == 1.1 ==
4	+ * improved handling of errors from Smush.it
5	+ * added ability to manually smush images from media library
6	+ * fixed inconsistent path handling from WP 2.5 -> WP 2.7
7	+
8	+ == 1.0.2 ==
9	+ * added 'Not processed' status message when browsing media library
10	+
11	+ == 1.0.1 ==
12	+ * added i10n functions
13	+
14	+ == 1.0 ==
15	+ * first edition

readme.txt CHANGED Viewed

	@@ -1,13 +1,13 @@
1	=== WP Smush.it ===
2	Plugin Name: WP Smush.it
3	- Version: 1.~~0.2~~
4	Author: Dialect
5	Author URI: http://dialect.ca/?wp_smush_it
6	Contributors: alexdunae
7	Tags: images, image, attachments, attachment
8	Requires at least: 2.5
9	Tested up to: 2.7
10	- Stable tag: 1.~~0.2~~
11
12	Reduce image file sizes and improve performance using the <a href="http://smush.it/">Smush.it</a> API within WordPress.
13
	@@ -27,11 +27,12 @@ Every image you add to a page or post will be automatically run through Smush.it
27
28	N. B. In some cases GIFs should be replaced with PNG files. You can control this behaviour on the `Options` page. It is off by default.
29



30	= Privacy =
31	Be sure you’re comfortable with Smush.it’s privacy policy (found on their <a href="http://smush.it/faq.php">FAQ</a>).
32
33	-
34	-
35	== Screenshots ==
36
37	1. See the savings from Smush.it in the Media Library.


1	=== WP Smush.it ===
2	Plugin Name: WP Smush.it
3	+ Version: 1.1
4	Author: Dialect
5	Author URI: http://dialect.ca/?wp_smush_it
6	Contributors: alexdunae
7	Tags: images, image, attachments, attachment
8	Requires at least: 2.5
9	Tested up to: 2.7
10	+ Stable tag: 1.1
11
12	Reduce image file sizes and improve performance using the <a href="http://smush.it/">Smush.it</a> API within WordPress.
13

27
28	N. B. In some cases GIFs should be replaced with PNG files. You can control this behaviour on the `Options` page. It is off by default.
29
30	+ = Existing images =
31	+ You can also run your existing images through Smush.it via the WordPress `Media Library`. Click on the `Smush.it now!` link for any image you'd like to smush.
32	+
33	= Privacy =
34	Be sure you’re comfortable with Smush.it’s privacy policy (found on their <a href="http://smush.it/faq.php">FAQ</a>).
35


36	== Screenshots ==
37
38	1. See the savings from Smush.it in the Media Library.

screenshot-1.jpg CHANGED Viewed

Binary file

smush.php ADDED Viewed

	@@ -0,0 +1,29 @@


1	+ <?php
2	+ /**
3	+ * Admin page for manually smushing an attachment.
4	+ *
5	+ * Expects an `attachment_ID` in the query string.
6	+ *
7	+ * @version 1.1
8	+ * @package WP_SmushIt
9	+ */
10	+
11	+ if ( !isset($_GET['attachment_ID']) )
12	+ wp_die('Must provide attachment ID');
13	+
14	+ $attachment_ID = intval($_GET['attachment_ID']);
15	+
16	+
17	+ $original_meta = wp_get_attachment_metadata( $attachment_ID );
18	+
19	+
20	+ $new_meta = wp_smushit_resize_from_meta_data( $original_meta );
21	+
22	+ wp_update_attachment_metadata( $attachment_ID, $new_meta );
23	+
24	+ $sendback = wp_get_referer();
25	+ $sendback = preg_replace('\|[^a-z0-9-~+_.?#=&;,/:]\|i', '', $sendback);
26	+ //$sendback .= '#post-' . $attachment_ID;
27	+ wp_redirect($sendback);
28	+
29	+ exit(0);

wp-smushit.php CHANGED Viewed

@@ -1,218 +1,244 @@
-            -
            <?php
-            -
            /**
-            -
             * Integrate the Smush.it API into WordPress.
-            -
             * @version 1.0.2
-            -
             * @package WP_SmushIt
-            -
             */
-            -
            /*
-            -
            Plugin Name: WP Smush.it
-            -
            Plugin URI: http://dialect.ca/code/wp-smushit/
-            -
            Description: Reduce image file sizes and improve performance using the <a href="http://smush.it/">Smush.it</a> API within WordPress.
-            -
            Author: Dialect
-            -
            Version: 1.0.2
-            -
            Author URI: http://dialect.ca/?wp_smush_it
-            -
            */
-            -
-            -
            require_once('JSON/JSON.php');
-            -
-            -
-            -
            /**
-            -
             * Constants
-            -
             */
-            -
-            -
            define('SMUSHIT_REQ_URL', 'http://smush.it/ws.php?img=%s');
-            -
-            -
            define('SMUSHIT_BASE_URL', 'http://smush.it/');
-            -
-            -
            define('WP_SMUSHIT_DOMAIN', 'wp_smushit');
-            -
-            -
            define('WP_SMUSHIT_GIF_TO_PNG', intval(get_option('wp_smushit_gif_to_png')));
-            -
-            -
            if ( !defined('WP_CONTENT_URL') )
-            -
            	define('WP_CONTENT_URL', get_option('url') . '/wp-content');
-            -
-            -
            if ( !defined('WP_CONTENT_DIR') )
-            -
            	define('WP_CONTENT_DIR', ABSPATH . 'wp-content' );
-            -
-            -
            /**
-            -
             * Hooks
-            -
             */
-            -
-            -
            register_activation_hook(__FILE__,'wp_smushit_install');
-            -
-            -
            add_filter('wp_generate_attachment_metadata', 'wp_smushit_resize_from_meta_data');
-            -
-            -
            add_filter('manage_media_columns', 'wp_smushit_columns');
-            -
            add_action('manage_media_custom_column', 'wp_smushit_custom_column', 10, 2);
-            -
            add_action('admin_menu', 'wp_smushit_add_pages');
-            -
            add_action('admin_init', 'wp_smushit_init');
-            -
-            -
            /**
-            -
             * Process an image with Smush.it.
-            -
             *
-            -
             * Returns an array of the $file $results.
-            -
             *
-            -
             * @param   string $file            Full path to the image file
-            -
             * @returns array
-            -
             */
-            -
            function wp_smushit($file) {
-            -
            	// dont't run on localhost
-            -
            	if( $_SERVER['SERVER_ADDR'] == '127.0.0.1' )
-            -
            		return array($file, __('Not processed (local file)', WP_SMUSHIT_DOMAIN));
-            -
-            -
            	$url = str_replace( WP_CONTENT_DIR, WP_CONTENT_URL, $file );
-            -
            	$req = sprintf( SMUSHIT_REQ_URL, urlencode( $url ) );
-            -
-            -
            	$fh = @fopen( $req, 'r' ); // post to Smush.it
-            -
-            -
            	if ( !$fh )
-            -
            		return array($file, __('Error posting to Smush.it', WP_SMUSHIT_DOMAIN));
-            -
-            -
            	$data = stream_get_contents( $fh );
-            -
            	fclose( $fh );
-            -
-            -
            	// read the JSON response
-            -
            	if ( function_exists('json_decode') ) {
-            -
            		$data = json_decode( $data );
-            -
            	} else {
-            -
            		$json = new Services_JSON();
-            -
            		$data = $json->decode($data);
-            -
            	}
-            -
-            -
            	if ( intval($data->dest_size) == -1 )
-            -
            		return array($file, __('No savings', WP_SMUSHIT_DOMAIN));
-            -
-            -
            	if ( !$data->dest )
-            -
            		return array($file, __('Error: ', WP_SMUSHIT_DOMAIN) . $data->error);
-            -
-            -
            	// download the processed image to a temp file
-            -
            	$processed_url = SMUSHIT_BASE_URL . $data->dest;
-            -
-            -
            	$temp_file = tempnam( WP_CONTENT_DIR . '/uploads', '___' );
-            -
-            -
            	if( !@copy( $processed_url, $temp_file ) )
-            -
            		return false;
-            -
-            -
            	chmod( $temp_file, 0644 );
-            -
-            -
            	// check if Smush.it converted a GIF to a PNG
-            -
            	if( WP_SMUSHIT_GIF_TO_PNG == 1 && wp_smushit_did_gif_to_png($file, $data->dest) ) {
-            -
            		$file = preg_replace('/.gif$/i', '.png', $file);
-            -
-            -
            		if ( has_filter('wp_update_attachment_metadata', 'wp_smushit_update_attachment') === false )
-            -
            			add_filter('wp_update_attachment_metadata', 'wp_smushit_update_attachment', 10, 2);
-            -
            	}
-            -
-            -
            	@rename( $temp_file, $file );
-            -
-            -
            	$results_msg = sprintf(__("Reduced by %01.1f%%", WP_SMUSHIT_DOMAIN), $data->percent);
-            -
-            -
-            -
-            -
            	return array($file, $results_msg);
-            -
            }
-            -
-            -
-            -
            /**
-            -
             * Update the attachment's meta data after being smushed.
-            -
             *
-            -
             * This is only needed when GIFs become PNGs so we add the filter near
-            -
             * the end of `wp_smushit()`. It's used by the `wp_update_attachment_metadata`
-            -
             * hook, which is called after the `wp_generate_attachment_metadata` on upload.
-            -
             */
-            -
            function wp_smushit_update_attachment($data, $ID) {
-            -
            	$orig_file = get_attached_file( $ID );
-            -
-            -
            	if( wp_smushit_did_gif_to_png($orig_file,  $data['file']) ) {
-            -
            		update_attached_file( $ID, $data['file'] );
-            -
-            -
            		// get_media_item() uses the GUID for a display title so we should
-            -
            		// update the GUID here
-            -
            		$post = get_post( $ID );
-            -
            		$guid = preg_replace('/.gif$/i', '.png', $post->guid);
-            -
-            -
            		wp_update_post( array('ID' => $ID,
-            -
            		                      'post_mime_type' => 'image/png',
-            -
            		                      'guid' => $guid) );
-            -
            	}
-            -
-            -
            	return $data;
-            -
            }
-            -
-            -
-            -
            /**
-            -
             * Read the image paths from an attachment's meta data and process each image
-            -
             * with wp_smushit().
-            -
             *
-            -
             * This method also adds a `wp_smushit` meta key for use in the media library.
-            -
             *
-            -
             * Called after `wp_generate_attachment_metadata` is completed.
-            -
             */
-            -
            function wp_smushit_resize_from_meta_data($meta) {
-            -
            	list($meta['file'], $meta['wp_smushit']) = wp_smushit($meta['file']);
-            -
-            -
            	if ( !isset($meta['sizes']) )
-            -
            		return $meta;
-            -
-            -
            	$base_dir = dirname($meta['file']) . '/';
-            -
-            -
            	foreach($meta['sizes'] as $size => $data) {
-            -
            		list($smushed_file, $results) = wp_smushit($base_dir . $data['file']);
-            -
            		$smushed_file = str_replace($base_dir, '', $smushed_file);
-            -
            		$meta['sizes'][$size]['file'] = $smushed_file;
-            -
            		$meta['sizes'][$size]['wp_smushit'] = $results;
-            -
            	}
-            -
-            -
            	return $meta;
-            -
            }
-            -
-            -
-            -
            /**
-            -
             * Print column header for Smush.it results in the media library using
-            -
             * the `manage_media_columns` hook.
-            -
             */
-            -
            function wp_smushit_columns($defaults) {
-            -
            	$defaults['smushit'] = 'Smush.it';
-            -
            	return $defaults;
-            -
            }
-            -
-            -
            /**
-            -
             * Print column data for Smush.it results in the media library using
-            -
             * the `manage_media_custom_column` hook.
-            -
             */
-            -
            function wp_smushit_custom_column($column_name, $id) {
-            -
                if( $column_name == 'smushit' ) {
-            -
                	$data = wp_get_attachment_metadata($id);
-            -
                	if ( isset($data['wp_smushit']) && !empty($data['wp_smushit']) )
-            -
                		print $data['wp_smushit'];
-            -
                	else
-            -
                		print __('Not processed', WP_SMUSHIT_DOMAIN);
-            -
                }
-            -
            }
-            -
-            -
            /**
-            -
             * Compare file names to see if the extension changed from `.gif` to `.png`.
-            -
             *
-            -
             * @returns bool
-            -
             */
-            -
            function wp_smushit_did_gif_to_png($orig, $new) {
-            -
            	return (stripos(strrev($new), 'gnp.') === 0 &&
-            -
            	        stripos(strrev($orig), 'fig.') === 0 );
-            -
-            -
            }
-            -
-            -
            function wp_smushit_install() {
-            -
            	add_option('wp_smushit_gif_to_png', 0);
-            -
            }
-            -
-            -
            function wp_smushit_init() {
-            -
            	load_plugin_textdomain(WP_SMUSHIT_DOMAIN);
-            -
            }
-            -
-            -
            function wp_smushit_add_pages() {
-            -
            	add_options_page(__('WP Smush.it Options', WP_SMUSHIT_OPTIONS), 'WP Smush.it', 8, dirname(__FILE__) . '/options.php');
-            -
            }
-            -
-            -
            function wp_smushit_options() {
-            -
            	include_once 'options.php';
-            -
            }


1	+ <?php
2	+ /**
3	+ * Integrate the Smush.it API into WordPress.
4	+ * @version 1.1
5	+ * @package WP_SmushIt
6	+ */
7	+ /*
8	+ Plugin Name: WP Smush.it
9	+ Plugin URI: http://dialect.ca/code/wp-smushit/
10	+ Description: Reduce image file sizes and improve performance using the <a href="http://smush.it/">Smush.it</a> API within WordPress.
11	+ Author: Dialect
12	+ Version: 1.1
13	+ Author URI: http://dialect.ca/?wp_smush_it
14	+ */
15	+
16	+ require_once('JSON/JSON.php');
17	+
18	+
19	+ /**
20	+ * Constants
21	+ */
22	+
23	+ define('SMUSHIT_REQ_URL', 'http://smush.it/ws.php?img=%s');
24	+
25	+ define('SMUSHIT_BASE_URL', 'http://smush.it/');
26	+
27	+ define('WP_SMUSHIT_DOMAIN', 'wp_smushit');
28	+
29	+ define('WP_SMUSHIT_GIF_TO_PNG', intval(get_option('wp_smushit_gif_to_png')));
30	+
31	+ define('WP_SMUSHIT_PLUGIN_DIR', dirname(plugin_basename(__FILE__)));
32	+
33	+ if ( !defined('WP_CONTENT_URL') )
34	+ define('WP_CONTENT_URL', get_option('siteurl') . '/wp-content');
35	+
36	+ if ( !defined('WP_CONTENT_DIR') )
37	+ define('WP_CONTENT_DIR', ABSPATH . 'wp-content' );
38	+
39	+ /**
40	+ * Hooks
41	+ */
42	+
43	+ register_activation_hook(__FILE__,'wp_smushit_install');
44	+
45	+ add_filter('wp_generate_attachment_metadata', 'wp_smushit_resize_from_meta_data');
46	+
47	+ add_filter('manage_media_columns', 'wp_smushit_columns');
48	+ add_action('manage_media_custom_column', 'wp_smushit_custom_column', 10, 2);
49	+ add_action('admin_menu', 'wp_smushit_add_pages');
50	+ add_action('admin_init', 'wp_smushit_init');
51	+
52	+ /**
53	+ * Process an image with Smush.it.
54	+ *
55	+ * Returns an array of the $file $results.
56	+ *
57	+ * @param string $file Full path to the image file
58	+ * @returns array
59	+ */
60	+ function wp_smushit($file) {
61	+ // dont't run on localhost
62	+ if( $_SERVER['SERVER_ADDR'] == '127.0.0.1' )
63	+ return array($file, __('Not processed (local file)', WP_SMUSHIT_DOMAIN));
64	+
65	+
66	+ $file_path = $file;
67	+ $file_url = '';
68	+
69	+ if ( 0 === strpos($file, WP_CONTENT_DIR) ) {
70	+ // WordPress < 2.6.2: $file is already an absolute path
71	+ $file_url = str_replace( WP_CONTENT_DIR, WP_CONTENT_URL, $file );
72	+ } else {
73	+ // WordPress >= 2.6.2: determine the absolute $file_path and $file_url
74	+ $uploads = wp_upload_dir();
75	+ $file_path = trailingslashit( $uploads['basedir'] ) . $file;
76	+ $file_url = trailingslashit( $uploads['baseurl'] ) . $file;
77	+ }
78	+
79	+ $req = sprintf( SMUSHIT_REQ_URL, urlencode( $file_url ) );
80	+
81	+ $fh = @fopen( $req, 'r' ); // post to Smush.it
82	+
83	+ if ( !$fh )
84	+ return array($file, __('Error posting to Smush.it', WP_SMUSHIT_DOMAIN));
85	+
86	+ $data = stream_get_contents( $fh );
87	+ fclose( $fh );
88	+
89	+ // make sure the response looks like JSON -- added 2008-12-19 when
90	+ // Smush.it was returning PHP warnings before the JSON
91	+ if ( strpos( trim($data), '{' ) != 0 )
92	+ return array($file, __('Bad response from Smush.it', WP_SMUSHIT_DOMAIN));
93	+
94	+ // read the JSON response
95	+ if ( function_exists('json_decode') ) {
96	+ $data = json_decode( $data );
97	+ } else {
98	+ $json = new Services_JSON();
99	+ $data = $json->decode($data);
100	+ }
101	+
102	+ if ( intval($data->dest_size) == -1 )
103	+ return array($file, __('No savings', WP_SMUSHIT_DOMAIN));
104	+
105	+ if ( !$data->dest ) {
106	+ $err = ($data->error ? $data->error : 'Unknown error');
107	+ return array($file, __($err, WP_SMUSHIT_DOMAIN) );
108	+ }
109	+
110	+ // download the processed image to a temp file
111	+ $processed_url = SMUSHIT_BASE_URL . $data->dest;
112	+
113	+ $temp_file = tempnam( WP_CONTENT_DIR, '___' );
114	+
115	+ if( !@copy( $processed_url, $temp_file ) )
116	+ return false;
117	+
118	+ chmod( $temp_file, 0644 );
119	+
120	+ // check if Smush.it converted a GIF to a PNG
121	+ if( WP_SMUSHIT_GIF_TO_PNG == 1 && wp_smushit_did_gif_to_png($file, $data->dest) ) {
122	+ $file = preg_replace('/.gif$/i', '.png', $file);
123	+ $file_path = preg_replace('/.gif$/i', '.png', $file_path);
124	+
125	+ if ( has_filter('wp_update_attachment_metadata', 'wp_smushit_update_attachment') === false )
126	+ add_filter('wp_update_attachment_metadata', 'wp_smushit_update_attachment', 10, 2);
127	+ }
128	+
129	+ @rename( $temp_file, $file_path );
130	+
131	+ $results_msg = sprintf(__("Reduced by %01.1f%%", WP_SMUSHIT_DOMAIN), $data->percent);
132	+
133	+ return array($file, $results_msg);
134	+ }
135	+
136	+
137	+ /**
138	+ * Update the attachment's meta data after being smushed.
139	+ *
140	+ * This is only needed when GIFs become PNGs so we add the filter near
141	+ * the end of `wp_smushit()`. It's used by the `wp_update_attachment_metadata`
142	+ * hook, which is called after the `wp_generate_attachment_metadata` on upload.
143	+ */
144	+ function wp_smushit_update_attachment($data, $ID) {
145	+ $orig_file = get_attached_file( $ID );
146	+
147	+ if( wp_smushit_did_gif_to_png($orig_file, $data['file']) ) {
148	+ update_attached_file( $ID, $data['file'] );
149	+
150	+ // get_media_item() uses the GUID for a display title so we should
151	+ // update the GUID here
152	+ $post = get_post( $ID );
153	+ $guid = preg_replace('/.gif$/i', '.png', $post->guid);
154	+
155	+ wp_update_post( array('ID' => $ID,
156	+ 'post_mime_type' => 'image/png',
157	+ 'guid' => $guid) );
158	+ }
159	+
160	+ return $data;
161	+ }
162	+
163	+
164	+ /**
165	+ * Read the image paths from an attachment's meta data and process each image
166	+ * with wp_smushit().
167	+ *
168	+ * This method also adds a `wp_smushit` meta key for use in the media library.
169	+ *
170	+ * Called after `wp_generate_attachment_metadata` is completed.
171	+ */
172	+ function wp_smushit_resize_from_meta_data($meta) {
173	+ list($meta['file'], $meta['wp_smushit']) = wp_smushit($meta['file']);
174	+
175	+ if ( !isset($meta['sizes']) )
176	+ return $meta;
177	+
178	+ $base_dir = dirname($meta['file']) . '/';
179	+
180	+ foreach($meta['sizes'] as $size => $data) {
181	+ list($smushed_file, $results) = wp_smushit($base_dir . $data['file']);
182	+ $smushed_file = str_replace($base_dir, '', $smushed_file);
183	+ $meta['sizes'][$size]['file'] = $smushed_file;
184	+ $meta['sizes'][$size]['wp_smushit'] = $results;
185	+ }
186	+
187	+ return $meta;
188	+ }
189	+
190	+
191	+ /**
192	+ * Print column header for Smush.it results in the media library using
193	+ * the `manage_media_columns` hook.
194	+ */
195	+ function wp_smushit_columns($defaults) {
196	+ $defaults['smushit'] = 'Smush.it';
197	+ return $defaults;
198	+ }
199	+
200	+ /**
201	+ * Print column data for Smush.it results in the media library using
202	+ * the `manage_media_custom_column` hook.
203	+ */
204	+ function wp_smushit_custom_column($column_name, $id) {
205	+ if( $column_name == 'smushit' ) {
206	+ $data = wp_get_attachment_metadata($id);
207	+ if ( isset($data['wp_smushit']) && !empty($data['wp_smushit']) )
208	+ print $data['wp_smushit'];
209	+ else
210	+ print __('Not processed', WP_SMUSHIT_DOMAIN);
211	+
212	+ printf("<br><a href=\"admin.php?page=%s/smush.php&attachment_ID=%d&noheader\">%s</a>",
213	+ WP_SMUSHIT_PLUGIN_DIR,
214	+ $id,
215	+ __('Smush.it now!', WP_SMUSHIT_DOMAIN));
216	+ }
217	+ }
218	+
219	+ /**
220	+ * Compare file names to see if the extension changed from `.gif` to `.png`.
221	+ *
222	+ * @returns bool
223	+ */
224	+ function wp_smushit_did_gif_to_png($orig, $new) {
225	+ return (stripos(strrev($new), 'gnp.') === 0 &&
226	+ stripos(strrev($orig), 'fig.') === 0 );
227	+
228	+ }
229	+
230	+ function wp_smushit_install() {
231	+ add_option('wp_smushit_gif_to_png', 0);
232	+ }
233	+
234	+ function wp_smushit_init() {
235	+ load_plugin_textdomain(WP_SMUSHIT_DOMAIN);
236	+ }
237	+
238	+ function wp_smushit_add_pages() {
239	+ add_options_page(__('WP Smush.it Options', WP_SMUSHIT_OPTIONS), 'WP Smush.it', 8, dirname(__FILE__) . '/options.php');
240	+ }
241	+
242	+ function wp_smushit_options() {
243	+ include_once 'options.php';
244	+ }

Smush Image Compression and Optimization - Version 1.1

Version Description

Release Info

Code changes from version 1.0.2 to 1.1