Custom Permalinks - Version 0.3

Version Description

Release Info

Developer	michaeltyson
Plugin	Custom Permalinks
Version	0.3
Comparing to
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Code changes from version 0.2.2 to 0.3

Files changed (2) hide show

custom-permalinks.php +104 -27
readme.txt +3 -1

custom-permalinks.php CHANGED Viewed

@@ -4,7 +4,7 @@ Plugin Name: Custom Permalinks
             Plugin URI: http://michael.tyson.id.au/wordpress/plugins/custom-permalinks
             Donate link: http://michael.tyson.id.au/wordpress/plugins/custom-permalinks
             Description: Set custom permalinks on a per-post basis
-            -
            Version: 0.2.2
             Author: Michael Tyson
             Author URI: http://michael.tyson.id.au
             */
@@ -77,30 +77,39 @@ function custom_permalinks_term_link($permalink, $term) {
             function custom_permalinks_redirect() {
             	// Get request URI, strip parameters
-            -
            	$request = trim($_SERVER['REQUEST_URI'],'/');
             	if ( ($pos=strpos($request, "?")) ) $request = substr($request, 0, $pos);
             	global $wp_query;
-            -
            	$post = $wp_query->post;
-            -
            	if ( !$post ) return;
             	if ( is_single() ) {
             		$custom_permalink = get_post_meta( $post->ID, 'custom_permalink', true );
-            -
            		if ( $custom_permalink && $custom_permalink != $request ) {
-            -
            			// There's a post with a matching custom permalink
-            -
            			wp_redirect( get_option('home')."/".$custom_permalink, 301 );
-            -
            			exit();
-            -
            		}
             	} else if ( is_tag() || is_category() ) {
             		$theTerm = $wp_query->get_queried_object();
-            -
            		$permalink = custom_permalinks_permalink_for_term($theTerm->term_id);
-            -
-            -
            		if ( $permalink && $permalink != $request ) {
-            -
            			// The current term has a permalink that isn't where we're currently at
-            -
            			wp_redirect( get_option('home')."/".$permalink, 301 );
-            -
            			exit();
-            -
            		}
+            	}
+            }
             /**
@@ -110,31 +119,98 @@ function custom_permalinks_redirect() {
              * @since 0.1
              */
             function custom_permalinks_request($query) {
             	// Get request URI, strip parameters and /'s
             	$request = (($pos=strpos($_SERVER['REQUEST_URI'], '?')) ? substr($_SERVER['REQUEST_URI'], 0, $pos) : $_SERVER['REQUEST_URI']);
-            -
            	$request = preg_replace('@/+@','/', ltrim($request, '/'));
             	if ( !$request ) return $query;
-            -
            	$posts = get_posts( array('meta_key' => 'custom_permalink', 'meta_value' => $request) );
-            -
            	if ( !$posts && $request{strlen($request)-1} != '/' ) // Try adding trailing /
-            -
            		$posts = get_posts( array('meta_key' => 'custom_permalink', 'meta_value' => $request.'/') );
-            -
            	if ( !$posts && $request{strlen($request)-1} == '/' ) // Try removing trailing /
-            -
            		$posts = get_posts( array('meta_key' => 'custom_permalink', 'meta_value' => rtrim($request,'/')) );
             	if ( $posts ) {
             		// A post matches our request
-            -
            		return array('p' => $posts[0]->ID);
+            	}
-            -
            	$table = get_option('custom_permalink_table');
-            -
            	if ( $table && ($term = $table[$request]) || ($term = $table[$request.'/']) || $term = $table[rtrim($request,'/')] ) {
-            -
            		return array(($term['kind'] == 'category' ? 'category_name' : 'tag') => $term['slug']);
+            	}
-            -
             	return $query;
+            }
             /**
@@ -511,6 +587,7 @@ add_filter( 'post_link', 'custom_permalinks_post_link', 10, 2 );
             add_filter( 'tag_link', 'custom_permalinks_term_link', 10, 2 );
             add_filter( 'category_link', 'custom_permalinks_term_link', 10, 2 );
             add_filter( 'request', 'custom_permalinks_request', 10, 1 );
             add_action( 'edit_form_advanced', 'custom_permalinks_post_options' );
             add_action( 'edit_tag_form', 'custom_permalinks_term_options' );


4	Plugin URI: http://michael.tyson.id.au/wordpress/plugins/custom-permalinks
5	Donate link: http://michael.tyson.id.au/wordpress/plugins/custom-permalinks
6	Description: Set custom permalinks on a per-post basis
7	+ Version: 0.3
8	Author: Michael Tyson
9	Author URI: http://michael.tyson.id.au
10	*/

77	function custom_permalinks_redirect() {
78
79	// Get request URI, strip parameters
80	+ $request = ltrim($_SERVER['REQUEST_URI'],'/');
81	if ( ($pos=strpos($request, "?")) ) $request = substr($request, 0, $pos);
82
83	global $wp_query;


84
85	+ $custom_permalink = '';
86	+ $original_permalink = '';
87	+
88	+ // If the post/tag/category we're on has a custom permalink, get it and check against the request
89	if ( is_single() ) {
90	+ $post = $wp_query->post;
91	$custom_permalink = get_post_meta( $post->ID, 'custom_permalink', true );
92	+ $original_permalink = custom_permalinks_original_post_link( $post->ID );




93	} else if ( is_tag() \|\| is_category() ) {
94	$theTerm = $wp_query->get_queried_object();
95	+ $custom_permalink = custom_permalinks_permalink_for_term($theTerm->term_id);
96	+ $original_permalink = (is_tag() ? custom_permalinks_original_tag_link($theTerm->term_id) :
97	+ custom_permalinks_original_category_link($theTerm->term_id));




98	}
99	+
100	+ if ( $custom_permalink &&
101	+ (substr($request, 0, strlen($custom_permalink)) != $custom_permalink \|\|
102	+ $request == $custom_permalink."/" ) ) {
103	+ // Request doesn't match permalink - redirect
104	+ $url = $custom_permalink;
105	+ if ( substr($request, 0, strlen($original_permalink)) == $original_permalink &&
106	+ trim($request,'/') != trim($original_permalink,'/') ) {
107	+ // This is the original link; we can use this url to derive the new one
108	+ $url = preg_replace('@//*@', '/', str_replace(trim($original_permalink,'/'), trim($custom_permalink,'/'), $request));
109	+ }
110	+ wp_redirect( get_option('home')."/".$url, 301 );
111	+ exit();
112	+ }
113	}
114
115	/**

119	* @since 0.1
120	*/
121	function custom_permalinks_request($query) {
122	+ global $wpdb;
123	+ global $_CPRegisteredURL;
124	+
125	+ // First, search for a matching custom permalink, and if found, generate the corresponding
126	+ // original URL
127	+
128	+ $originalUrl = '';
129
130	// Get request URI, strip parameters and /'s
131	$request = (($pos=strpos($_SERVER['REQUEST_URI'], '?')) ? substr($_SERVER['REQUEST_URI'], 0, $pos) : $_SERVER['REQUEST_URI']);
132	+ $request = preg_replace('@/+@','/', trim($request, '/'));
133
134	if ( !$request ) return $query;
135
136	+ $sql = "SELECT $wpdb->posts.ID, $wpdb->postmeta.meta_value FROM $wpdb->posts ".
137	+ " LEFT JOIN $wpdb->postmeta ON ($wpdb->posts.ID = $wpdb->postmeta.post_id) WHERE ".
138	+ " meta_key = 'custom_permalink' AND ".
139	+ " meta_value != '' AND ".
140	+ " ( meta_value = LEFT('".mysql_escape_string($request)."', LENGTH(meta_value)) OR ".
141	+ " meta_value = LEFT('".mysql_escape_string($request."/")."', LENGTH(meta_value)) )";
142	+
143	+ $posts = $wpdb->get_results($sql);
144	if ( $posts ) {
145	// A post matches our request
146	+
147	+ // Preserve this url for later if it's the same as the permalink (no extra stuff)
148	+ if ( trim($request,'/') == trim($posts[0]->meta_value,'/') )
149	+ $_CPRegisteredURL = $request;
150	+
151	+ $originalUrl = str_replace(trim($posts[0]->meta_value,'/'),
152	+ custom_permalinks_original_post_link($posts[0]->ID),
153	+ trim($request,'/'));
154	}
155
156	+ if ( !$originalUrl ) {
157	+ $table = get_option('custom_permalink_table');
158	+ if ( !$table ) return $query;
159	+
160	+ foreach ( array_keys($table) as $permalink ) {
161	+ if ( $permalink == substr($request, 0, strlen($permalink)) \|\| $permalink == substr($request."/", 0, strlen($permalink)) ) {
162	+ $term = $table[$permalink];
163	+
164	+ // Preserve this url for later if it's the same as the permalink (no extra stuff)
165	+ if ( trim($request,'/') == trim($permalink,'/') )
166	+ $_CPRegisteredURL = $request;
167	+
168	+
169	+ if ( $term['kind'] == 'category ') {
170	+ $originalUrl = str_replace(trim($permalink,'/'),
171	+ custom_permalinks_original_category_link($term['id']),
172	+ trim($request,'/'));
173	+ } else {
174	+ $originalUrl = str_replace(trim($permalink,'/'),
175	+ custom_permalinks_original_tag_link($term['id']),
176	+ trim($request,'/'));
177	+ }
178	+ }
179	+ }
180	+ }
181	+
182	+ if ( $originalUrl ) {
183	+ $originalUrl = preg_replace("@//*@", "/", $originalUrl);
184	+
185	+ // Now we have the original URL, run this back through WP->parse_request, in order to
186	+ // parse parameters properly. We set $_SERVER variables to fool the function.
187	+ $oldPathInfo = $_SERVER["PATH_INFO"]; $oldRequestUri = $_SERVER["REQUEST_URI"];
188	+ $_SERVER["PATH_INFO"] = $originalUrl; $_SERVER["REQUEST_URI"] = $originalUrl;
189	+
190	+ remove_filter( 'request', 'custom_permalinks_request', 10, 1 );
191	+ global $wp;
192	+ $wp->parse_request();
193	+ $query = $wp->query_vars;
194	+ add_filter( 'request', 'custom_permalinks_request', 10, 1 );
195	+
196	+ $_SERVER["PATH_INFO"] = $oldPathInfo; $_SERVER["REQUEST_URI"] = $oldRequestUri;
197	}

198	return $query;
199	}
200
201	+ /**
202	+ * Filter to handle trailing slashes correctly
203	+ *
204	+ * @package CustomPermalinks
205	+ * @since 0.3
206	+ */
207	+ function custom_permalinks_trailingslash($string, $type) {
208	+ global $_CPRegisteredURL;
209	+ if ( trim($_CPRegisteredURL,'/') == trim($string,'/') ) {
210	+ return $_CPRegisteredURL;
211	+ }
212	+ return $string;
213	+ }
214
215
216	/**

587	add_filter( 'tag_link', 'custom_permalinks_term_link', 10, 2 );
588	add_filter( 'category_link', 'custom_permalinks_term_link', 10, 2 );
589	add_filter( 'request', 'custom_permalinks_request', 10, 1 );
590	+ add_filter( 'user_trailingslashit', 'custom_permalinks_trailingslash', 10, 2 );
591
592	add_action( 'edit_form_advanced', 'custom_permalinks_post_options' );
593	add_action( 'edit_tag_form', 'custom_permalinks_term_options' );

readme.txt CHANGED Viewed

	@@ -4,7 +4,7 @@ Donate link: http://michael.tyson.id.au/wordpress/plugins/custom-permalinks
4	Tags: permalink, url, link, address, custom, redirect
5	Requires at least: 2.6
6	Tested up to: 2.6.2
7	- Stable tag: 0.~~2.2~~
8
9	Set custom permalinks on a per-post, per-tag or per-category basis.
10
	@@ -23,6 +23,8 @@ over your site structure.
23
24	== Changelog ==
25


26	0.2.2: Fixed bug with not matching permalinks when / appended to the URL, and workaround for infinite redirect when another plugin is enforcing trailing /
27
28	0.2.1: Better handling of trailing slashes


4	Tags: permalink, url, link, address, custom, redirect
5	Requires at least: 2.6
6	Tested up to: 2.6.2
7	+ Stable tag: 0.3
8
9	Set custom permalinks on a per-post, per-tag or per-category basis.
10

23
24	== Changelog ==
25
26	+ 0.3: Largely rewritten to provide more robust handling of trailing slashes, proper support for trailing URL components (eg. paging)
27	+
28	0.2.2: Fixed bug with not matching permalinks when / appended to the URL, and workaround for infinite redirect when another plugin is enforcing trailing /
29
30	0.2.1: Better handling of trailing slashes