Changeset 3447 for branches/plugin/bbp-includes/bbp-common-functions.php

Timestamp:

08/23/2011 09:44:02 AM (15 years ago)

Author:

johnjamesjacoby

Message:

Obey the blacklisted keys in discussion settings when creating or editing topics or replies. Introduces bbp_check_for_blacklist() function in bbp-common-functions.php, and bbp_current_user_ua() in bbp-user-functions.php.

File:

• branches/plugin/bbp-includes/bbp-common-functions.php (modified) (1 diff)

branches/plugin/bbp-includes/bbp-common-functions.php

@@ -806 +806 @@
 }
 
+/**
+ * Checks topics and replies against the discussion blacklist of blocked keys
+ *
+ * @since bbPress (r3446)
+ *
+ * @global bbPress $bbp
+ * @param array $anonymous_data Anonymous user data
+ * @param int $author_id Topic or reply author ID
+ * @param string $title The title of the content
+ * @param string $content The content being posted
+ * @uses is_super_admin() Allow super admins to bypass blacklist
+ * @uses bbp_current_author_ip() To get current user IP address
+ * @uses bbp_current_author_ua() To get current user agent
+ * @return bool True if test is passed, false if fail
+ */
+function bbp_check_for_blacklist( $anonymous_data = false, $author_id = 0, $title = '', $content = '' ) {
+
+    // Bail if super admin is author
+    if ( is_super_admin( $author_id ) )
+        return true;
+
+    // Define local variable
+    $post = array();
+
+    /** Blacklist *************************************************************/
+
+    // Get the moderation keys
+    $blacklist = trim( get_option( 'blacklist_keys' ) );
+
+    // Bail if blacklist is empty
+    if ( empty( $blacklist ) )
+        return true;
+
+    /** User Data *************************************************************/
+
+    // Map anonymous user data
+    if ( !empty( $anonymous_data ) ) {
+        $post['author'] = $anonymous_data['bbp_anonymous_name'];
+        $post['email']  = $anonymous_data['bbp_anonymous_email'];
+        $post['url']    = $anonymous_data['bbp_anonymous_website'];
+
+    // Map current user data
+    } elseif ( !empty( $author_id ) ) {
+
+        // Get author data
+        $user = get_userdata( $author_id );
+
+        // If data exists, map it
+        if ( !empty( $user ) ) {
+            $post['author'] = $user->display_name;
+            $post['email']  = $user->user_email;
+            $post['url']    = $user->user_url;
+        }
+    }
+
+    // Current user IP and user agent
+    $post['user_ip'] = bbp_current_author_ip();
+    $post['user_ua'] = bbp_current_author_ua();
+
+    // Post title and content
+    $post['title']   = $title; 
+    $post['content'] = $content; 
+
+    /** Words *****************************************************************/
+
+    // Get words separated by new lines
+    $words = explode( "\n", $blacklist );
+
+    // Loop through words
+    foreach ( (array) $words as $word ) {
+
+        // Trim the whitespace from the word
+        $word = trim( $word );
+
+        // Skip empty lines
+        if ( empty( $word ) ) { continue; }
+
+        // Do some escaping magic so that '#' chars in the
+        // spam words don't break things:
+        $word    = preg_quote( $word, '#' );
+        $pattern = "#$word#i";
+
+        // Loop through post data
+        foreach( $post as $post_data ) {
+            
+            // Check each user data for current word
+            if ( preg_match( $pattern, $post_data ) ) {
+                
+                // Post does not pass
+                return false;
+            }
+        }
+    }
+
+    // Check passed successfully
+    return true;
+}
+
 /** Subscriptions *************************************************************/