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<?php |
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/** |
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* This file is part of the ZBateson\MailMimeParser project. |
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* |
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* @license http://opensource.org/licenses/bsd-license.php BSD |
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*/ |
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namespace ZBateson\MailMimeParser; |
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use GuzzleHttp\Psr7\CachingStream; |
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use GuzzleHttp\Psr7\Utils; |
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use Psr\Http\Message\StreamInterface; |
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use ZBateson\MailMimeParser\Parser\MessageParser; |
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/** |
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* Parses a MIME message into an {@see IMessage} object. |
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* |
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* The class sets up the Pimple dependency injection container with the ability |
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* to override and/or provide specialized provider |
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* {@see https://pimple.symfony.com/ \Pimple\ServiceProviderInterface} |
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* classes to extend default classes used by MailMimeParser. |
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* |
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* To invoke, call parse on a MailMimeParser object. |
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* |
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* ```php |
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* $parser = new MailMimeParser(); |
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* // the resource is attached due to the second parameter being true and will |
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* // be closed when the returned IMessage is destroyed |
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* $message = $parser->parse(fopen('path/to/file.txt'), true); |
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* // use $message here |
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* ``` |
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* |
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* @author Zaahid Bateson |
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*/ |
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class MailMimeParser |
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{ |
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/** |
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* @var string the default charset used to encode strings (or string content |
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* like streams) returned by MailMimeParser (for e.g. the string |
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* returned by calling $message->getTextContent()). |
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*/ |
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public const DEFAULT_CHARSET = 'UTF-8'; |
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/** |
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* @var Container dependency injection container |
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*/ |
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protected static $di = null; |
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/** |
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* @var MessageParser for parsing messages |
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*/ |
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protected $messageParser; |
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/** |
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* Returns the container. |
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* |
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* @return Container |
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*/ |
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public static function getDependencyContainer() |
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{ |
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return static::$di; |
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} |
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/** |
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* (Re)creates the container using the passed providers. |
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* |
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* This is necessary if configuration needs to be reset to parse emails |
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* differently. |
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* |
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* Note that reconfiguring the dependency container can have an affect on |
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* existing objects -- for instance if a provider were to override a |
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* factory class, and an operation on an existing instance were to try to |
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* create an object using that factory class, the new factory class would be |
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* returned. In other words, references to the Container are not maintained |
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* in a non-static context separately, so care should be taken when |
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* reconfiguring the parser. |
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* |
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* @param \Pimple\ServiceProviderInterface[] $providers |
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*/ |
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public static function configureDependencyContainer(array $providers = []) |
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{ |
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static::$di = new Container(); |
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$di = static::$di; |
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foreach ($providers as $provider) { |
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$di->register($provider); |
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} |
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} |
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/** |
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* Override the dependency container completely. If multiple configurations |
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* are known to be needed, it would be better to keep the different |
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* Container configurations and call setDependencyContainer instead of |
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* {@see MailMimeParser::configureDependencyContainer}, which instantiates a |
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* new {@see Container} on every call. |
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* |
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* @param Container $di |
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*/ |
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public static function setDependencyContainer(?Container $di = null) |
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{ |
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static::$di = $di; |
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} |
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/** |
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* Initializes the dependency container if not already initialized. |
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* |
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* To configure custom {@see https://pimple.symfony.com/ \Pimple\ServiceProviderInterface} |
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* objects, call {@see MailMimeParser::configureDependencyContainer()} |
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* before creating a MailMimeParser instance. |
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*/ |
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public function __construct() |
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{ |
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if (static::$di === null) { |
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1 |
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static::configureDependencyContainer(); |
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} |
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$di = static::$di; |
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$this->messageParser = $di[\ZBateson\MailMimeParser\Parser\MessageParser::class]; |
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} |
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/** |
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* Parses the passed stream handle or string into an {@see IMessage} object |
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* and returns it. |
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* |
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* If the passed $resource is a resource handle or StreamInterface, the |
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* resource must remain open while the returned IMessage object exists. |
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* Pass true as the second argument to have the resource attached to the |
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* IMessage and closed for you when it's destroyed, or pass false to |
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* manually close it if it should remain open after the IMessage object is |
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* destroyed. |
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* |
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* @param resource|StreamInterface|string $resource The resource handle to |
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* the input stream of the mime message, or a string containing a |
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* mime message. |
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* @param bool $attached pass true to have it attached to the returned |
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* IMessage and destroyed with it. |
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* @return \ZBateson\MailMimeParser\IMessage |
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*/ |
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public function parse($resource, $attached) |
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{ |
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$stream = Utils::streamFor( |
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$resource, |
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['metadata' => ['mmp-detached-stream' => ($attached !== true)]] |
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); |
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if (!$stream->isSeekable()) { |
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$stream = new CachingStream($stream); |
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} |
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return $this->messageParser->parse($stream); |
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} |
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} |
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zbateson /
mail-mime-parser
