1 files changed, 261 insertions, 0 deletions
diff --git a/Postman/Postman-Mail/PostmanGmailApiModuleTransport.php b/Postman/Postman-Mail/PostmanGmailApiModuleTransport.php
new file mode 100644
index 0000000..fc9e351
--- /dev/null
+++ b/Postman/Postman-Mail/PostmanGmailApiModuleTransport.php
@@ -0,0 +1,261 @@
+<?php
+if ( ! defined( 'ABSPATH' ) ) {
+    exit; // Exit if accessed directly
+}
+
+require_once 'PostmanModuleTransport.php';
+
+/**
+ * This class integrates Postman with the Gmail API
+ * http://ctrlq.org/code/19860-gmail-api-send-emails
+ *
+ * @author jasonhendriks
+ *        
+ */
+class PostmanGmailApiModuleTransport extends PostmanAbstractZendModuleTransport implements PostmanZendModuleTransport {
+	const SLUG = 'gmail_api';
+	const PORT = 443;
+	const HOST = 'www.googleapis.com';
+	const ENCRYPTION_TYPE = 'ssl';
+	public function __construct($rootPluginFilenameAndPath) {
+		parent::__construct ( $rootPluginFilenameAndPath );
+		
+		// add a hook on the plugins_loaded event
+		add_action ( 'admin_init', array (
+				$this,
+				'on_admin_init' 
+		) );
+	}
+	public function getProtocol() {
+		return 'https';
+	}
+	
+	/**
+	 * (non-PHPdoc)
+	 *
+	 * @see PostmanAbstractModuleTransport::isServiceProviderGoogle()
+	 */
+	public function isServiceProviderGoogle($hostname) {
+		return true;
+	}
+	
+	/**
+	 * (non-PHPdoc)
+	 *
+	 * @see PostmanModuleTransport::createMailEngine()
+	 */
+	public function createMailEngine() {
+		require_once 'PostmanZendMailEngine.php';
+		return new PostmanZendMailEngine ( $this );
+	}
+	
+	/**
+	 * (non-PHPdoc)
+	 *
+	 * @see PostmanZendModuleTransport::createZendMailTransport()
+	 */
+	public function createZendMailTransport($fakeHostname, $fakeConfig) {
+		if (PostmanOptions::AUTHENTICATION_TYPE_OAUTH2 == $this->getAuthenticationType ()) {
+			$config = PostmanOAuth2ConfigurationFactory::createConfig ( $this );
+		} else {
+			$config = PostmanBasicAuthConfigurationFactory::createConfig ( $this );
+		}
+		
+		// Google's autoloader will try and load this so we list it first
+		require_once 'PostmanGmailApiModuleZendMailTransport.php';
+		
+		// Gmail Client includes
+		require_once 'google-api-client/vendor/autoload.php';
+		
+		// build the Gmail Client
+		$authToken = PostmanOAuthToken::getInstance ();
+		$client = new Google_Client ();
+		$client->setClientId ( $this->options->getClientId () );
+		$client->setClientSecret ( $this->options->getClientSecret () );
+		$client->setRedirectUri ( '' );
+		// rebuild the google access token
+		$token = new stdClass ();
+		$token->access_token = $authToken->getAccessToken ();
+		$token->refresh_token = $authToken->getRefreshToken ();
+		$token->token_type = 'Bearer';
+		$token->expires_in = 3600;
+		$token->id_token = null;
+		$token->created = 0;
+		$client->setAccessToken ( json_encode ( $token ) );
+		// We only need permissions to compose and send emails
+		$client->addScope ( "https://www.googleapis.com/auth/gmail.compose" );
+		$service = new Google_Service_Gmail ( $client );
+		$config [PostmanGmailApiModuleZendMailTransport::SERVICE_OPTION] = $service;
+		
+		return new PostmanGmailApiModuleZendMailTransport ( self::HOST, $config );
+	}
+	
+	/**
+	 * Determines whether Mail Engine locking is needed
+	 *
+	 * @see PostmanModuleTransport::requiresLocking()
+	 */
+	public function isLockingRequired() {
+		return PostmanOptions::AUTHENTICATION_TYPE_OAUTH2 == $this->getAuthenticationType ();
+	}
+	public function getSlug() {
+		return self::SLUG;
+	}
+	public function getName() {
+		return __ ( 'Gmail API', 'post-smtp' );
+	}
+	public function isEnvelopeFromValidationSupported() {
+		return false;
+	}
+	public function getHostname() {
+		return self::HOST;
+	}
+	public function getPort() {
+		return self::PORT;
+	}
+	public function getAuthenticationType() {
+		return $this->options->getAuthenticationType ();
+	}
+	public function getSecurityType() {
+		return null;
+	}
+	public function getCredentialsId() {
+		$this->options = $this->options;
+		if ($this->options->isAuthTypeOAuth2 ()) {
+			return $this->options->getClientId ();
+		} else {
+			return $this->options->getUsername ();
+		}
+	}
+	public function getCredentialsSecret() {
+		$this->options = $this->options;
+		if ($this->options->isAuthTypeOAuth2 ()) {
+			return $this->options->getClientSecret ();
+		} else {
+			return $this->options->getPassword ();
+		}
+	}
+	public function isServiceProviderMicrosoft($hostname) {
+		return false;
+	}
+	public function isServiceProviderYahoo($hostname) {
+		return false;
+	}
+	public function isOAuthUsed($authType) {
+		return true;
+	}
+	
+	/**
+	 * (non-PHPdoc)
+	 *
+	 * @see PostmanAbstractModuleTransport::getDeliveryDetails()
+	 */
+	public function getDeliveryDetails() {
+		/* translators: where (1) is the secure icon and (2) is the transport name */
+		return sprintf ( __ ( 'Postman will send mail via the <b>%1$s %2$s</b>.', 'post-smtp' ), '🔐', $this->getName () );
+	}
+	
+	/**
+	 * (non-PHPdoc)
+	 *
+	 * @see PostmanAbstractZendModuleTransport::validateTransportConfiguration()
+	 */
+	protected function validateTransportConfiguration() {
+		$messages = parent::validateTransportConfiguration ();
+		if (empty ( $messages )) {
+			$this->setReadyForOAuthGrant ();
+			if ($this->isPermissionNeeded ()) {
+				/* translators: %1$s is the Client ID label, and %2$s is the Client Secret label */
+				$message = sprintf ( __ ( 'You have configured OAuth 2.0 authentication, but have not received permission to use it.', 'post-smtp' ), $this->getScribe ()->getClientIdLabel (), $this->getScribe ()->getClientSecretLabel () );
+				$message .= sprintf ( ' <a href="%s">%s</a>.', PostmanUtils::getGrantOAuthPermissionUrl (), $this->getScribe ()->getRequestPermissionLinkText () );
+				array_push ( $messages, $message );
+				$this->setNotConfiguredAndReady ();
+			}
+		}
+		return $messages;
+	}
+	
+	/**
+	 * Given a hostname, what ports should we test?
+	 *
+	 * May return an array of several combinations.
+	 */
+	public function getSocketsForSetupWizardToProbe($hostname, $smtpServerGuess) {
+		$hosts = array ();
+		if ($smtpServerGuess == null || PostmanUtils::isGoogle ( $smtpServerGuess )) {
+			array_push ( $hosts, parent::createSocketDefinition ( $this->getHostname (), $this->getPort () ) );
+		}
+		return $hosts;
+	}
+	
+	/**
+	 * Postman Gmail API supports delivering mail with these parameters:
+	 *
+	 * 70 gmail api on port 465 to www.googleapis.com
+	 *
+	 * @param mixed $hostData        	
+	 */
+	public function getConfigurationBid(PostmanWizardSocket $hostData, $userAuthOverride, $originalSmtpServer) {
+		$recommendation = array ();
+		$recommendation ['priority'] = 0;
+		$recommendation ['transport'] = self::SLUG;
+		$recommendation ['enc'] = PostmanOptions::SECURITY_TYPE_NONE;
+		$recommendation ['auth'] = PostmanOptions::AUTHENTICATION_TYPE_OAUTH2;
+		$recommendation ['hostname'] = null; // scribe looks this
+		$recommendation ['label'] = $this->getName ();
+		$recommendation ['display_auth'] = 'oauth2';
+		if ($hostData->hostname == self::HOST && $hostData->port == self::PORT) {
+			/* translators: where variables are (1) transport name (2) host and (3) port */
+			$recommendation ['message'] = sprintf ( __ ( ('Postman recommends the %1$s to host %2$s on port %3$d.') ), $this->getName (), self::HOST, self::PORT );
+			$recommendation ['priority'] = 27000;
+		}
+		
+		return $recommendation;
+	}
+	
+	/**
+	 */
+	public function createOverrideMenu(PostmanWizardSocket $socket, $winningRecommendation, $userSocketOverride, $userAuthOverride) {
+		$overrideItem = parent::createOverrideMenu ( $socket, $winningRecommendation, $userSocketOverride, $userAuthOverride );
+		// push the authentication options into the $overrideItem structure
+		$overrideItem ['auth_items'] = array (
+				array (
+						'selected' => true,
+						'name' => __ ( 'OAuth 2.0 (requires Client ID and Client Secret)', 'post-smtp' ),
+						'value' => 'oauth2' 
+				) 
+		);
+		return $overrideItem;
+	}
+	
+	/**
+	 * Functions to execute on the admin_init event
+	 *
+	 * "Runs at the beginning of every admin page before the page is rendered."
+	 * ref: http://codex.wordpress.org/Plugin_API/Action_Reference#Actions_Run_During_an_Admin_Page_Request
+	 */
+	public function on_admin_init() {
+		// only administrators should be able to trigger this
+		if (PostmanUtils::isAdmin ()) {
+			$this->registerStylesAndScripts ();
+		}
+	}
+	
+	/**
+	 */
+	public function registerStylesAndScripts() {
+		// register the stylesheet and javascript external resources
+		$pluginData = apply_filters ( 'postman_get_plugin_metadata', null );
+		wp_register_script ( 'postman_gmail_script', plugins_url ( 'Postman/Postman-Mail/postman_gmail.js', $this->rootPluginFilenameAndPath ), array (
+				PostmanViewController::JQUERY_SCRIPT,
+				'jquery_validation',
+				PostmanViewController::POSTMAN_SCRIPT 
+		), $pluginData ['version'] );
+	}
+	
+	/**
+	 */
+	public function enqueueScript() {
+		wp_enqueue_script ( 'postman_gmail_script' );
+	}
+}