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<?php
if (! interface_exists ( 'PostmanZendMailTransportConfigurationFactory' )) {
interface PostmanZendMailTransportConfigurationFactory {
static function createConfig(PostmanTransport $transport);
}
}
if (! class_exists ( 'PostmanBasicAuthConfigurationFactory' )) {
class PostmanBasicAuthConfigurationFactory implements PostmanZendMailTransportConfigurationFactory {
public static function createConfig(PostmanTransport $transport) {
// create Logger
$logger = new PostmanLogger ( "PostmanBasicAuthConfigurationFactory" );
// retrieve the hostname and port form the transport
$hostname = $transport->getHostname ();
$port = $transport->getPort ();
$securityType = $transport->getSecurityType ();
$authType = $transport->getAuthenticationType ();
$username = $transport->getCredentialsId ();
$password = $transport->getCredentialsSecret ();
// create the Configuration structure for Zend_Mail
$config = array (
'port' => $port
);
$logger->debug ( sprintf ( 'Using %s:%s ', $hostname, $port ) );
if ($securityType != PostmanOptions::SECURITY_TYPE_NONE) {
$config ['ssl'] = $securityType;
$logger->debug ( 'Using encryption ' . $securityType );
} else {
$logger->debug ( 'Using no encryption' );
}
if ($authType != PostmanOptions::AUTHENTICATION_TYPE_NONE) {
$config ['auth'] = $authType;
$config ['username'] = $username;
$config ['password'] = $password;
$logger->debug ( sprintf ( 'Using auth %s with username %s and password %s', $authType, $username, PostmanUtils::obfuscatePassword ( $password ) ) );
} else {
$logger->debug ( 'Using no authentication' );
}
// return the Configuration structure
return $config;
}
}
}
if (! class_exists ( 'PostmanOAuth2ConfigurationFactory' )) {
class PostmanOAuth2ConfigurationFactory implements PostmanZendMailTransportConfigurationFactory {
public static function createConfig(PostmanTransport $transport) {
// create Logger
$logger = new PostmanLogger ( 'PostmanOAuth2ConfigurationFactory' );
// retrieve the hostname and port form the transport
$hostname = $transport->getHostname ();
$port = $transport->getPort ();
// the sender email is needed for the OAuth2 Bearer token
$senderEmail = PostmanOptions::getInstance ()->getEnvelopeSender ();
assert ( ! empty ( $senderEmail ) );
// the vendor is required for Yahoo's OAuth2 implementation
$vendor = self::createVendorString ( $hostname );
// create the OAuth2 SMTP Authentication string
$initClientRequestEncoded = self::createAuthenticationString ( $senderEmail, PostmanOAuthToken::getInstance ()->getAccessToken (), $vendor );
// create the Configuration structure for Zend_Mail
$config = self::createConfiguration ( $logger, $hostname, $port, $transport->getSecurityType (), $transport->getAuthenticationType (), $initClientRequestEncoded );
// return the Configuration structure
return $config;
}
/**
*
* Create the Configuration structure for Zend_Mail
*
* @param mixed $hostname
* @param mixed $port
* @param mixed $securityType
* @param mixed $authenticationType
* @param mixed $initClientRequestEncoded
* @return multitype:unknown NULL
*/
private static function createConfiguration($logger, $hostname, $port, $securityType, $authenticationType, $initClientRequestEncoded) {
$config = array (
'ssl' => $securityType,
'port' => $port,
'auth' => $authenticationType,
'xoauth2_request' => $initClientRequestEncoded
);
$logger->debug ( sprintf ( 'Using auth %s with encryption %s to %s:%s ', $config ['auth'], $config ['ssl'], $hostname, $config ['port'] ) );
return $config;
}
/**
* Create the vendor string (for Yahoo servers only)
*
* @param mixed $hostname
* @return string
*/
private static function createVendorString($hostname) {
// the vendor is required for Yahoo's OAuth2 implementation
$vendor = '';
if (PostmanUtils::endsWith ( $hostname, 'yahoo.com' )) {
// Yahoo Mail requires a Vendor - see http://imapclient.freshfoo.com/changeset/535%3A80ae438f4e4a/
$pluginData = apply_filters ( 'postman_get_plugin_metadata', null );
$vendor = sprintf ( "vendor=Postman SMTP %s\1", $pluginData ['version'] );
}
return $vendor;
}
/**
* Create the standard OAuth2 SMTP Authentication string
*
* @param mixed $senderEmail
* @param mixed $oauth2AccessToken
* @param mixed $vendor
* @return string
*/
private static function createAuthenticationString($senderEmail, $oauth2AccessToken, $vendor) {
$initClientRequestEncoded = base64_encode ( sprintf ( "user=%s\1auth=Bearer %s\1%s\1", $senderEmail, $oauth2AccessToken, $vendor ) );
return $initClientRequestEncoded;
}
}
}
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