release

1 files changed, 130 insertions, 0 deletions

diff --git a/Postman/PostmanWpMailBinder.php b/Postman/PostmanWpMailBinder.php
new file mode 100644
index 0000000..b0be8f4
--- /dev/null
+++ b/Postman/PostmanWpMailBinder.php
@@ -0,0 +1,130 @@
+<?php
+if (! class_exists ( 'PostmanWpMailBinder' )) {
+	class PostmanWpMailBinder {
+		private $logger;
+		private $bound;
+		private $bindError;
+		
+		/**
+		 * private singleton constructor
+		 */
+		private function __construct() {
+			$this->logger = new PostmanLogger ( get_class ( $this ) );
+			
+			// load the dependencies
+			require_once 'PostmanWpMail.php';
+			require_once 'PostmanOptions.php';
+			require_once 'PostmanPreRequisitesCheck.php';
+			
+			// register the bind status hook
+			add_filter ( 'postman_wp_mail_bind_status', array (
+					$this,
+					'postman_wp_mail_bind_status' 
+			) );
+		}
+		
+		/**
+		 * Return the Singleton instance
+		 *
+		 * @return Ambigous <NULL, PostmanWpMailBinder>
+		 */
+		public static function getInstance() {
+			static $inst = null;
+			if ($inst === null) {
+				$inst = new PostmanWpMailBinder ();
+			}
+			return $inst;
+		}
+		
+		/**
+		 * Returns the bind result
+		 */
+		public function postman_wp_mail_bind_status() {
+			$result = array (
+					'bound' => $this->bound,
+					'bind_error' => $this->bindError 
+			);
+			return $result;
+		}
+		
+		/**
+		 * Important: bind() may be called multiple times
+		 *
+		 * Replace wp_mail() after making sure:
+		 * 1) the plugin has not already bound to wp_mail and
+		 * 2) wp_mail is available for use
+		 * 3) the plugin is properly configured.
+		 * 4) the plugin's prerequisites are met.
+		 */
+		function bind() {
+			if (! $this->bound) {
+				$ready = true;
+				if (function_exists ( 'wp_mail' )) {
+					// If the function exists, it's probably because another plugin has
+					// replaced the pluggable function first, and we set an error flag.
+					// this is an error message because it is a Bind error
+					if ($this->logger->isTrace ()) {
+						$this->logger->trace ( 'wp_mail is already bound, Postman can not use it' );
+					}
+					$this->bindError = true;
+					$ready = false;
+				}
+				if (! PostmanPreRequisitesCheck::isReady ()) {
+					// this is a debug message because it is not up to the Binder to report transport errors
+					if ($this->logger->isTrace ()) {
+						$this->logger->trace ( 'Prerequisite check failed' );
+					}
+					$ready = false;
+				}
+				if ($ready) {
+					if ($this->logger->isTrace ()) {
+						$this->logger->trace ( 'Binding to wp_mail()' );
+					}
+					$this->replacePluggableFunctionWpMail ();
+				}
+			}
+		}
+		
+		/**
+		 * The code to replace the pluggable wp_mail()
+		 *
+		 * If the function does not exist, then the replacement was successful
+		 * and we set a success flag.
+		 *
+		 * @return boolean
+		 */
+		private function replacePluggableFunctionWpMail() {
+			/**
+			 * The Postman drop-in replacement for the WordPress wp_mail() function
+			 *
+			 * @param string|array $to
+			 *        	Array or comma-separated list of email addresses to send message.
+			 * @param string $subject
+			 *        	Email subject
+			 * @param string $message
+			 *        	Message contents
+			 * @param string|array $headers
+			 *        	Optional. Additional headers.
+			 * @param string|array $attachments
+			 *        	Optional. Files to attach.
+			 * @return bool Whether the email contents were sent successfully.
+			 */
+			function wp_mail($to, $subject, $message, $headers = '', $attachments = array()) {
+				// create an instance of PostmanWpMail to send the message
+				$postmanWpMail = new PostmanWpMail ();
+				// send the mail
+				$result = $postmanWpMail->send ( $to, $subject, $message, $headers, $attachments );
+				// return the result
+				return $result;
+			}
+			$this->logger->debug ( 'Bound to wp_mail()' );
+			$this->bound = true;
+		}
+		public function isBound() {
+			return $this->bound;
+		}
+		public function isUnboundDueToException() {
+			return $this->bindError;
+		}
+	}
+}
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