Added a method to check if an email is associated or not with an account.

RestControllers/accountController.php

@@ -62,6 +62,26 @@ class accountController {
 		return array("success" => "The user has been disconnected !");
 	}
 
+	/**
+	 * Check if an email is already associated with an account or not
+	 * 
+	 * @url POST /account/exists_email
+	 */
+	public function existsMail(){
+
+		//Check the given email address
+		$email = postString("email", 5);
+		if(!filter_var($email, FILTER_VALIDATE_EMAIL))
+			Rest_fatal_error(400, "Specified email address is invalid !");
+		
+		//Check if the email address is already associated with an account
+		$email_exists = components()->account->exists_email($email);
+		
+		return array(
+			"exists" => $email_exists
+		);
+	}
+
 	/**
 	 * Create an account
 	 *