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			400 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			400 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * @link https://www.yiiframework.com/
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|  * @copyright Copyright (c) 2008 Yii Software LLC
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|  * @license https://www.yiiframework.com/license/
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|  */
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| 
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| namespace yii\mail;
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| 
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| use Yii;
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| use yii\base\Component;
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| use yii\base\InvalidConfigException;
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| use yii\base\ViewContextInterface;
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| use yii\web\View;
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| 
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| /**
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|  * BaseMailer serves as a base class that implements the basic functions required by [[MailerInterface]].
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|  *
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|  * Concrete child classes should may focus on implementing the [[sendMessage()]] method.
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|  *
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|  * @see BaseMessage
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|  *
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|  * For more details and usage information on BaseMailer, see the [guide article on mailing](guide:tutorial-mailing).
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|  *
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|  * @property View $view View instance. Note that the type of this property differs in getter and setter. See
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|  * [[getView()]] and [[setView()]] for details.
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|  * @property string $viewPath The directory that contains the view files for composing mail messages Defaults
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|  * to '@app/mail'.
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|  *
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|  * @author Paul Klimov <klimov.paul@gmail.com>
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|  * @since 2.0
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|  */
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| abstract class BaseMailer extends Component implements MailerInterface, ViewContextInterface
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| {
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|     /**
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|      * @event MailEvent an event raised right before send.
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|      * You may set [[MailEvent::isValid]] to be false to cancel the send.
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|      */
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|     const EVENT_BEFORE_SEND = 'beforeSend';
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|     /**
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|      * @event MailEvent an event raised right after send.
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|      */
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|     const EVENT_AFTER_SEND = 'afterSend';
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| 
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|     /**
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|      * @var string|bool HTML layout view name. This is the layout used to render HTML mail body.
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|      * The property can take the following values:
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|      *
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|      * - a relative view name: a view file relative to [[viewPath]], e.g., 'layouts/html'.
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|      * - a [path alias](guide:concept-aliases): an absolute view file path specified as a path alias, e.g., '@app/mail/html'.
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|      * - a boolean false: the layout is disabled.
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|      */
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|     public $htmlLayout = 'layouts/html';
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|     /**
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|      * @var string|bool text layout view name. This is the layout used to render TEXT mail body.
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|      * Please refer to [[htmlLayout]] for possible values that this property can take.
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|      */
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|     public $textLayout = 'layouts/text';
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|     /**
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|      * @var array the configuration that should be applied to any newly created
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|      * email message instance by [[createMessage()]] or [[compose()]]. Any valid property defined
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|      * by [[MessageInterface]] can be configured, such as `from`, `to`, `subject`, `textBody`, `htmlBody`, etc.
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|      *
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|      * For example:
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|      *
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|      * ```php
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|      * [
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|      *     'charset' => 'UTF-8',
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|      *     'from' => 'noreply@mydomain.com',
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|      *     'bcc' => 'developer@mydomain.com',
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|      * ]
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|      * ```
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|      */
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|     public $messageConfig = [];
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|     /**
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|      * @var string the default class name of the new message instances created by [[createMessage()]]
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|      */
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|     public $messageClass = 'yii\mail\BaseMessage';
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|     /**
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|      * @var bool whether to save email messages as files under [[fileTransportPath]] instead of sending them
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|      * to the actual recipients. This is usually used during development for debugging purpose.
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|      * @see fileTransportPath
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|      */
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|     public $useFileTransport = false;
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|     /**
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|      * @var string the directory where the email messages are saved when [[useFileTransport]] is true.
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|      */
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|     public $fileTransportPath = '@runtime/mail';
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|     /**
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|      * @var callable|null a PHP callback that will be called by [[send()]] when [[useFileTransport]] is true.
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|      * The callback should return a file name which will be used to save the email message.
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|      * If not set, the file name will be generated based on the current timestamp.
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|      *
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|      * The signature of the callback is:
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|      *
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|      * ```php
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|      * function ($mailer, $message)
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|      * ```
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|      */
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|     public $fileTransportCallback;
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| 
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|     /**
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|      * @var \yii\base\View|array view instance or its array configuration.
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|      */
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|     private $_view = [];
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|     /**
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|      * @var string the directory containing view files for composing mail messages.
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|      */
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|     private $_viewPath;
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| 
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| 
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|     /**
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|      * @param array|View $view view instance or its array configuration that will be used to
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|      * render message bodies.
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|      * @throws InvalidConfigException on invalid argument.
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|      */
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|     public function setView($view)
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|     {
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|         if (!is_array($view) && !is_object($view)) {
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|             throw new InvalidConfigException('"' . get_class($this) . '::view" should be either object or configuration array, "' . gettype($view) . '" given.');
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|         }
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|         $this->_view = $view;
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|     }
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| 
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|     /**
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|      * @return View view instance.
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|      */
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|     public function getView()
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|     {
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|         if (!is_object($this->_view)) {
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|             $this->_view = $this->createView($this->_view);
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|         }
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| 
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|         return $this->_view;
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|     }
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| 
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|     /**
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|      * Creates view instance from given configuration.
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|      * @param array $config view configuration.
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|      * @return View view instance.
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|      */
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|     protected function createView(array $config)
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|     {
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|         if (!array_key_exists('class', $config)) {
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|             $config['class'] = View::className();
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|         }
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| 
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|         return Yii::createObject($config);
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|     }
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| 
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|     private $_message;
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| 
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|     /**
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|      * Creates a new message instance and optionally composes its body content via view rendering.
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|      *
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|      * @param string|array|null $view the view to be used for rendering the message body. This can be:
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|      *
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|      * - a string, which represents the view name or [path alias](guide:concept-aliases) for rendering the HTML body of the email.
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|      *   In this case, the text body will be generated by applying `strip_tags()` to the HTML body.
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|      * - an array with 'html' and/or 'text' elements. The 'html' element refers to the view name or path alias
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|      *   for rendering the HTML body, while 'text' element is for rendering the text body. For example,
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|      *   `['html' => 'contact-html', 'text' => 'contact-text']`.
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|      * - null, meaning the message instance will be returned without body content.
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|      *
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|      * The view to be rendered can be specified in one of the following formats:
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|      *
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|      * - path alias (e.g. "@app/mail/contact");
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|      * - a relative view name (e.g. "contact") located under [[viewPath]].
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|      *
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|      * @param array $params the parameters (name-value pairs) that will be extracted and made available in the view file.
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|      * @return MessageInterface message instance.
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|      */
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|     public function compose($view = null, array $params = [])
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|     {
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|         $message = $this->createMessage();
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|         if ($view === null) {
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|             return $message;
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|         }
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| 
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|         if (!array_key_exists('message', $params)) {
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|             $params['message'] = $message;
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|         }
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| 
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|         $this->_message = $message;
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| 
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|         if (is_array($view)) {
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|             if (isset($view['html'])) {
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|                 $html = $this->render($view['html'], $params, $this->htmlLayout);
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|             }
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|             if (isset($view['text'])) {
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|                 $text = $this->render($view['text'], $params, $this->textLayout);
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|             }
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|         } else {
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|             $html = $this->render($view, $params, $this->htmlLayout);
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|         }
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| 
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| 
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|         $this->_message = null;
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| 
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|         if (isset($html)) {
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|             $message->setHtmlBody($html);
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|         }
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|         if (isset($text)) {
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|             $message->setTextBody($text);
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|         } elseif (isset($html)) {
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|             if (preg_match('~<body[^>]*>(.*?)</body>~is', $html, $match)) {
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|                 $html = $match[1];
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|             }
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|             // remove style and script
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|             $html = preg_replace('~<((style|script))[^>]*>(.*?)</\1>~is', '', $html);
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|             // strip all HTML tags and decoded HTML entities
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|             $text = html_entity_decode(strip_tags($html), ENT_QUOTES | ENT_HTML5, Yii::$app ? Yii::$app->charset : 'UTF-8');
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|             // improve whitespace
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|             $text = preg_replace("~^[ \t]+~m", '', trim($text));
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|             $text = preg_replace('~\R\R+~mu', "\n\n", $text);
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|             $message->setTextBody($text);
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|         }
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| 
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|         return $message;
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|     }
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| 
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|     /**
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|      * Creates a new message instance.
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|      * The newly created instance will be initialized with the configuration specified by [[messageConfig]].
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|      * If the configuration does not specify a 'class', the [[messageClass]] will be used as the class
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|      * of the new message instance.
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|      * @return MessageInterface message instance.
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|      */
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|     protected function createMessage()
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|     {
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|         $config = $this->messageConfig;
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|         if (!array_key_exists('class', $config)) {
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|             $config['class'] = $this->messageClass;
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|         }
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|         $config['mailer'] = $this;
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|         return Yii::createObject($config);
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|     }
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| 
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|     /**
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|      * Sends the given email message.
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|      * This method will log a message about the email being sent.
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|      * If [[useFileTransport]] is true, it will save the email as a file under [[fileTransportPath]].
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|      * Otherwise, it will call [[sendMessage()]] to send the email to its recipient(s).
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|      * Child classes should implement [[sendMessage()]] with the actual email sending logic.
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|      * @param MessageInterface $message email message instance to be sent
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|      * @return bool whether the message has been sent successfully
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|      */
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|     public function send($message)
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|     {
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|         if (!$this->beforeSend($message)) {
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|             return false;
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|         }
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| 
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|         $address = $message->getTo();
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|         if (is_array($address)) {
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|             $address = implode(', ', array_keys($address));
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|         }
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|         Yii::info('Sending email "' . $message->getSubject() . '" to "' . $address . '"', __METHOD__);
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| 
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|         if ($this->useFileTransport) {
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|             $isSuccessful = $this->saveMessage($message);
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|         } else {
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|             $isSuccessful = $this->sendMessage($message);
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|         }
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|         $this->afterSend($message, $isSuccessful);
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| 
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|         return $isSuccessful;
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|     }
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| 
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|     /**
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|      * Sends multiple messages at once.
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|      *
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|      * The default implementation simply calls [[send()]] multiple times.
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|      * Child classes may override this method to implement more efficient way of
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|      * sending multiple messages.
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|      *
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|      * @param array $messages list of email messages, which should be sent.
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|      * @return int number of messages that are successfully sent.
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|      */
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|     public function sendMultiple(array $messages)
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|     {
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|         $successCount = 0;
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|         foreach ($messages as $message) {
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|             if ($this->send($message)) {
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|                 $successCount++;
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|             }
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|         }
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| 
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|         return $successCount;
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|     }
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| 
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|     /**
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|      * Renders the specified view with optional parameters and layout.
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|      * The view will be rendered using the [[view]] component.
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|      * @param string $view the view name or the [path alias](guide:concept-aliases) of the view file.
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|      * @param array $params the parameters (name-value pairs) that will be extracted and made available in the view file.
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|      * @param string|bool $layout layout view name or [path alias](guide:concept-aliases). If false, no layout will be applied.
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|      * @return string the rendering result.
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|      */
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|     public function render($view, $params = [], $layout = false)
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|     {
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|         $output = $this->getView()->render($view, $params, $this);
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|         if ($layout !== false) {
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|             return $this->getView()->render($layout, ['content' => $output, 'message' => $this->_message], $this);
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|         }
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| 
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|         return $output;
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|     }
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| 
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|     /**
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|      * Sends the specified message.
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|      * This method should be implemented by child classes with the actual email sending logic.
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|      * @param MessageInterface $message the message to be sent
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|      * @return bool whether the message is sent successfully
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|      */
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|     abstract protected function sendMessage($message);
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| 
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|     /**
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|      * Saves the message as a file under [[fileTransportPath]].
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|      * @param MessageInterface $message
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|      * @return bool whether the message is saved successfully
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|      */
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|     protected function saveMessage($message)
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|     {
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|         $path = Yii::getAlias($this->fileTransportPath);
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|         if (!is_dir($path)) {
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|             mkdir($path, 0777, true);
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|         }
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|         if ($this->fileTransportCallback !== null) {
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|             $file = $path . '/' . call_user_func($this->fileTransportCallback, $this, $message);
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|         } else {
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|             $file = $path . '/' . $this->generateMessageFileName();
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|         }
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|         file_put_contents($file, $message->toString());
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| 
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|         return true;
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|     }
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| 
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|     /**
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|      * @return string the file name for saving the message when [[useFileTransport]] is true.
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|      */
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|     public function generateMessageFileName()
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|     {
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|         $time = microtime(true);
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|         $timeInt = (int) $time;
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| 
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|         return date('Ymd-His-', $timeInt) . sprintf('%04d', (int) (($time - $timeInt) * 10000)) . '-' . sprintf('%04d', random_int(0, 10000)) . '.eml';
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|     }
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| 
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|     /**
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|      * @return string the directory that contains the view files for composing mail messages
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|      * Defaults to '@app/mail'.
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|      */
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|     public function getViewPath()
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|     {
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|         if ($this->_viewPath === null) {
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|             $this->setViewPath('@app/mail');
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|         }
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| 
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|         return $this->_viewPath;
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|     }
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| 
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|     /**
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|      * @param string $path the directory that contains the view files for composing mail messages
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|      * This can be specified as an absolute path or a [path alias](guide:concept-aliases).
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|      */
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|     public function setViewPath($path)
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|     {
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|         $this->_viewPath = Yii::getAlias($path);
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|     }
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| 
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|     /**
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|      * This method is invoked right before mail send.
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|      * You may override this method to do last-minute preparation for the message.
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|      * If you override this method, please make sure you call the parent implementation first.
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|      * @param MessageInterface $message
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|      * @return bool whether to continue sending an email.
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|      */
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|     public function beforeSend($message)
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|     {
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|         $event = new MailEvent(['message' => $message]);
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|         $this->trigger(self::EVENT_BEFORE_SEND, $event);
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| 
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|         return $event->isValid;
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|     }
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| 
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|     /**
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|      * This method is invoked right after mail was send.
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|      * You may override this method to do some postprocessing or logging based on mail send status.
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|      * If you override this method, please make sure you call the parent implementation first.
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|      * @param MessageInterface $message
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|      * @param bool $isSuccessful
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|      */
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|     public function afterSend($message, $isSuccessful)
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|     {
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|         $event = new MailEvent(['message' => $message, 'isSuccessful' => $isSuccessful]);
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|         $this->trigger(self::EVENT_AFTER_SEND, $event);
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|     }
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| }
 | 
