* Added support for Mailgun Europe region.

* Replace "buggey" mime_content_type php function 

7 files changed, 40 insertions, 13 deletions

diff --git a/Postman/Postman-Mail/PostmanMailgunMailEngine.php b/Postman/Postman-Mail/PostmanMailgunMailEngine.php
index 8258022..e874704 100644
--- a/Postman/Postman-Mail/PostmanMailgunMailEngine.php
+++ b/Postman/Postman-Mail/PostmanMailgunMailEngine.php
@@ -1,6 +1,8 @@
 <?php
 require_once 'mailgun/mailgun.php';
+
 use Mailgun\Mailgun;
+use Mailgun\HttpClientConfigurator;
 
 if ( ! class_exists( 'PostmanMailgunMailEngine' ) ) {
 
@@ -18,6 +20,7 @@ if ( ! class_exists( 'PostmanMailgunMailEngine' ) ) {
 		// the result
 		private $transcript;
 
+		private $api_endpoint;
 		private $apiKey;
 		private $domainName;
 		private $mailgunMessage;
@@ -48,6 +51,7 @@ if ( ! class_exists( 'PostmanMailgunMailEngine' ) ) {
 		 */
 		public function send( PostmanMessage $message ) {
 			$options = PostmanOptions::getInstance();
+			$this->api_endpoint = ! is_null( $options->getMailgunRegion() ) ? 'https://api.eu.mailgun.net' : 'https://api.mailgun.net';
 
 			// add the Postman signature - append it to whatever the user may have set
 			if ( ! $options->isStealthModeEnabled() ) {
@@ -161,7 +165,10 @@ if ( ! class_exists( 'PostmanMailgunMailEngine' ) ) {
 					$this->logger->debug( 'Sending mail' );
 				}
 
-				$mg = Mailgun::create( $this->apiKey );
+				$configurator = new HttpClientConfigurator();
+				$configurator->setEndpoint( $this->api_endpoint . '/v3/'. $this->domainName .'/messages');
+				$configurator->setApiKey($this->apiKey);
+				$mg = Mailgun::configure($configurator);
 
 				// Make the call to the client.
 				$result = $this->processSend( $mg );
diff --git a/Postman/Postman-Mail/PostmanMailgunTransport.php b/Postman/Postman-Mail/PostmanMailgunTransport.php
index 9a5e9d2..dcbc1ae 100644
--- a/Postman/Postman-Mail/PostmanMailgunTransport.php
+++ b/Postman/Postman-Mail/PostmanMailgunTransport.php
@@ -9,6 +9,7 @@ class PostmanMailgunTransport extends PostmanAbstractModuleTransport implements
 	const SLUG = 'mailgun_api';
 	const PORT = 443;
 	const HOST = 'api.mailgun.net';
+	const EU_REGION = 'api.eu.mailgun.net';
 	const PRIORITY = 8000;
 	const MAILGUN_AUTH_OPTIONS = 'postman_mailgun_auth_options';
 	const MAILGUN_AUTH_SECTION = 'postman_mailgun_auth_section';
@@ -43,7 +44,7 @@ class PostmanMailgunTransport extends PostmanAbstractModuleTransport implements
 	 * @return string
 	 */
 	public function getHostname() {
-		return self::HOST;
+		return ! is_null( $this->options->getMailgunRegion() ) ? self::EU_REGION : self::HOST;
 	}
 	/**
 	 * v0.2.1
@@ -128,10 +129,10 @@ class PostmanMailgunTransport extends PostmanAbstractModuleTransport implements
 		$recommendation ['transport'] = self::SLUG;
 		$recommendation ['hostname'] = null; // scribe looks this
 		$recommendation ['label'] = $this->getName();
-		if ( $hostData->hostname == self::HOST && $hostData->port == self::PORT ) {
+		if ( $hostData->hostname == $this->getHostname() && $hostData->port == self::PORT ) {
 			$recommendation ['priority'] = self::PRIORITY;
 			/* 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 );
+			$recommendation ['message'] = sprintf( __( ('Postman recommends the %1$s to host %2$s on port %3$d.') ), $this->getName(), $this->getHostname(), self::PORT );
 		}
 		return $recommendation;
 	}
@@ -197,6 +198,11 @@ class PostmanMailgunTransport extends PostmanAbstractModuleTransport implements
 			$this,
 			'mailgun_domain_name_callback',
 		), PostmanMailgunTransport::MAILGUN_AUTH_OPTIONS, PostmanMailgunTransport::MAILGUN_AUTH_SECTION );
+
+		add_settings_field( PostmanOptions::MAILGUN_REGION, __( 'Mailgun Europe Region?', Postman::TEXT_DOMAIN ), array(
+			$this,
+			'mailgun_region_callback',
+		), PostmanMailgunTransport::MAILGUN_AUTH_OPTIONS, PostmanMailgunTransport::MAILGUN_AUTH_SECTION );
 	}
 	public function printMailgunAuthSectionInfo() {
 		/* Translators: Where (1) is the service URL and (2) is the service name and (3) is a api key URL */
@@ -214,6 +220,11 @@ class PostmanMailgunTransport extends PostmanAbstractModuleTransport implements
 		printf( '<input type="text" autocomplete="off" id="mailgun_domain_name" name="postman_options[mailgun_domain_name]" value="%s" size="60" class="required" placeholder="%s"/>', null !== $this->options->getMailgunDomainName() ? esc_attr( $this->options->getMailgunDomainName() ) : '', __( 'Required', Postman::TEXT_DOMAIN ) );
 	}
 
+	function mailgun_region_callback() {
+		$value = $this->options->getMailgunRegion();
+		printf( '<input type="checkbox" id="mailgun_region" name="postman_options[mailgun_region]"%s />', null !== $value ? ' checked' : '' );
+	}
+
 	/**
 	 */
 	public function registerStylesAndScripts() {
@@ -243,6 +254,10 @@ class PostmanMailgunTransport extends PostmanAbstractModuleTransport implements
 		printf( '<label for="domain_name">%s</label>', __( 'Domain Name', Postman::TEXT_DOMAIN ) );
 		print '<br />';
 		print $this->mailgun_domain_name_callback();
+		print '<br />';
+		printf( '<label for="mailgun_region">%s</label>', __( 'Mailgun Europe Region?', Postman::TEXT_DOMAIN ) );
+		print '<br />';
+		print $this->mailgun_region_callback();
 		print '</section>';
 	}
 }
diff --git a/Postman/Postman-Mail/PostmanSendGridMailEngine.php b/Postman/Postman-Mail/PostmanSendGridMailEngine.php
index b6082f9..06302b0 100644
--- a/Postman/Postman-Mail/PostmanSendGridMailEngine.php
+++ b/Postman/Postman-Mail/PostmanSendGridMailEngine.php
@@ -260,9 +260,10 @@ if ( ! class_exists( 'PostmanSendGridMailEngine' ) ) {
 
 					$file_name = basename( $file );
 					$file_parts = explode( '.', $file_name );
+					$file_type = wp_check_filetype( $file );
 					$attachments[] = array(
 						'content' => base64_encode( file_get_contents( $file ) ),
-						'type' => mime_content_type( $file ),
+						'type' => $file_type['type'],
 						'file_name' => $file_name,
 						'disposition' => 'attachment',
 						'id' => $file_parts[0],
@@ -279,4 +280,3 @@ if ( ! class_exists( 'PostmanSendGridMailEngine' ) ) {
 		}
 	}
 }
-
diff --git a/Postman/PostmanConfigTextHelper.php b/Postman/PostmanConfigTextHelper.php
index 66a21c8..bcae7f5 100644
--- a/Postman/PostmanConfigTextHelper.php
+++ b/Postman/PostmanConfigTextHelper.php
@@ -28,13 +28,10 @@ if ( ! class_exists( 'PostmanAbstractConfigTextHelper' ) ) {
 	 */
 	abstract class PostmanAbstractConfigTextHelper implements PostmanConfigTextHelper {
 		public function getOAuthHelp() {
-			$attention = __( 'Attention' );
-			/* translators: parameters available are 1=portal-url, 2=portal-name, 3=clientId-name, 4=clientSecret-name, 5=callbackUrl, 6=service-name, 7=portal-application (e.g. Open the Google Developer Console, create a Client ID for web application using the URL's displayed below, and copy the Client ID and Client Secret here.) */
-			$errorMessage = sprintf( __( 'Open the <a href="%1$s" target="_blank">%2$s</a>, create <b>%7$s</b> with the values displayed below, and copy the generated %3$s and %4$s here.', Postman::TEXT_DOMAIN ), $this->getApplicationPortalUrl(), $this->getApplicationPortalName(), $this->getClientIdLabel(), $this->getClientSecretLabel(), $this->getCallbackUrlLabel(), $this->getOwnerName(), $this->getApplicationDescription() );
+			$attention = __( 'Attention', Postman::TEXT_DOMAIN );
+			$errorMessage = sprintf( __('Check this article how to configure Gmail/Gsuite OAuth:<a href="%1$s" target="_blank">Read Here</a>', Postman::TEXT_DOMAIN ), 'https://postmansmtp.com/how-to-configure-post-smtp-with-gmailgsuite-using-oauth/' );
 			$text = sprintf( '<b style="color:red">%s!</b> %s', $attention, $errorMessage );
-			/* translators: parameters available are 1=clientId-name, 2=service-name, 3=FAQ-URL, 4=Video-URL (e.g. See How do I get a Google Client ID? in the F.A.Q.) */
-			$howToTemplate = __( 'See <a href="%3$s" target="_blank">How do I get a %1$s %2$s?</a> in the F.A.Q. or <a href="%4$s" target="_blank">watch our How-To video 📺</a>.', Postman::TEXT_DOMAIN );
-			$text .= sprintf( ' %s', sprintf( $howToTemplate, $this->getOwnerName(), $this->getClientIdLabel(), 'https://wordpress.org/plugins/post-smtp/faq/', 'https://vimeo.com/128589255' ) );
+			
 			return $text;
 		}
 		function isOauthHost() {
diff --git a/Postman/PostmanInputSanitizer.php b/Postman/PostmanInputSanitizer.php
index 859e3cb..b17df30 100644
--- a/Postman/PostmanInputSanitizer.php
+++ b/Postman/PostmanInputSanitizer.php
@@ -54,6 +54,7 @@ if ( ! class_exists( 'PostmanInputSanitizer' ) ) {
 			$this->sanitizeString( 'From Name Override', PostmanOptions::PREVENT_MESSAGE_SENDER_NAME_OVERRIDE, $input, $new_input );
 			$this->sanitizeString( 'From Email Override', PostmanOptions::PREVENT_MESSAGE_SENDER_EMAIL_OVERRIDE, $input, $new_input );
 			$this->sanitizeString( 'Disable Email Validation', PostmanOptions::DISABLE_EMAIL_VALIDAITON, $input, $new_input );
+			$this->sanitizeString( 'Mailgun Europe Region', PostmanOptions::MAILGUN_REGION, $input, $new_input );
 			$this->sanitizeString( 'Forced To Recipients', PostmanOptions::FORCED_TO_RECIPIENTS, $input, $new_input );
 			$this->sanitizeString( 'Forced CC Recipients', PostmanOptions::FORCED_CC_RECIPIENTS, $input, $new_input );
 			$this->sanitizeString( 'Forced BCC Recipients', PostmanOptions::FORCED_BCC_RECIPIENTS, $input, $new_input );
diff --git a/Postman/PostmanOptions.php b/Postman/PostmanOptions.php
index 240b1aa..9c244bd 100644
--- a/Postman/PostmanOptions.php
+++ b/Postman/PostmanOptions.php
@@ -87,6 +87,7 @@ if ( ! class_exists( 'PostmanOptions' ) ) {
 		const SENDGRID_API_KEY = 'sendgrid_api_key';
 		const MAILGUN_API_KEY = 'mailgun_api_key';
 		const MAILGUN_DOMAIN_NAME = 'mailgun_domain_name';
+		const MAILGUN_REGION = 'mailgun_region';
 		const PREVENT_MESSAGE_SENDER_NAME_OVERRIDE = 'prevent_sender_name_override';
 		const PREVENT_MESSAGE_SENDER_EMAIL_OVERRIDE = 'prevent_sender_email_override';
 		const CONNECTION_TIMEOUT = 'connection_timeout';
@@ -317,6 +318,12 @@ if ( ! class_exists( 'PostmanOptions' ) ) {
 			}
 		}
 
+		public function getMailgunRegion() {
+			if ( isset( $this->options [ PostmanOptions::MAILGUN_REGION ] ) ) {
+				return $this->options [ PostmanOptions::MAILGUN_REGION ];
+			}
+		}
+
 		public function getPushoverUser() {
 			if ( isset( $this->options [ PostmanOptions::PUSHOVER_USER ] ) ) {
 				return base64_decode( $this->options [ PostmanOptions::PUSHOVER_USER ] );
diff --git a/Postman/PostmanViewController.php b/Postman/PostmanViewController.php
index d2e6f45..46aa39f 100644
--- a/Postman/PostmanViewController.php
+++ b/Postman/PostmanViewController.php
@@ -307,7 +307,7 @@ if ( ! class_exists( 'PostmanViewController' ) ) {
 				echo '
 				<div class="updated settings-error notice is-dismissible"> 
 					<p>
-					<strong>Version ' . $version . ' I do mistakes too - A must read:</strong> <a target="_blank" href="https://postmansmtp.com/post-smtp-1-9-4-im-only-human/">Read Here</a>
+					<strong>Version ' . $version . ' Mailgun Europe region support:</strong> <a target="_blank" href="https://postmansmtp.com/post-smtp-1-9-5-mailgun-europe-region-support/">Read Here</a>
 					</p>
 					<button style="z-index: 100;" data-version="'. $version . '" data-security="' . wp_create_nonce('postsmtp') .'" type="button" class="notice-dismiss postman-release-message">
 						<span class="screen-reader-text">Dismiss this notice.</span>