From 86675dfd4fa4634955de7a96e262f6c62ade0b01 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Jakes=CC=8C?= <jan@jakes.pro>
Date: Tue, 24 Sep 2019 16:16:51 +0200
Subject: [PATCH] Move Swiftmailer to vendor-prefixed

[MAILPOET-2363]
---
 composer.json                                 |  1 -
 composer.lock                                 | 56 +------------------
 lib/Config/RequirementsChecker.php            |  3 -
 lib/Mailer/Methods/AmazonSES.php              |  5 +-
 .../Methods/ErrorMappers/AmazonSESMapper.php  |  3 +-
 .../Methods/ErrorMappers/SMTPMapper.php       |  3 +-
 lib/Mailer/Methods/SMTP.php                   | 15 +++--
 prefixer/composer.json                        |  4 +-
 prefixer/composer.lock                        | 56 ++++++++++++++++++-
 prefixer/fix-swiftmailer.php                  | 29 ++++++++++
 .../Methods/ErrorMappers/SMTPMapperTest.php   |  3 +-
 11 files changed, 107 insertions(+), 71 deletions(-)
 create mode 100755 prefixer/fix-swiftmailer.php

diff --git a/composer.json b/composer.json
index 90fdcca655..86e37681e3 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,6 @@
     "mtdowling/cron-expression": "^1.1",
     "nesbot/carbon": "^1.21",
     "soundasleep/html2text": "dev-master",
-    "swiftmailer/swiftmailer": "5.4.12",
     "tburry/pquery": "^1.1.1"
   },
   "require-dev": {
diff --git a/composer.lock b/composer.lock
index 8aa49f2028..65a1d71187 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "c641885578d3d2bb8a3853d01d0827fe",
+    "content-hash": "f65ddd571e509c0289261f02e514f883",
     "packages": [
         {
             "name": "cerdic/css-tidy",
@@ -325,60 +325,6 @@
             },
             "time": "2019-04-24T12:03:33+00:00"
         },
-        {
-            "name": "swiftmailer/swiftmailer",
-            "version": "v5.4.12",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/swiftmailer/swiftmailer.git",
-                "reference": "181b89f18a90f8925ef805f950d47a7190e9b950"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/swiftmailer/swiftmailer/zipball/181b89f18a90f8925ef805f950d47a7190e9b950",
-                "reference": "181b89f18a90f8925ef805f950d47a7190e9b950",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.3"
-            },
-            "require-dev": {
-                "mockery/mockery": "~0.9.1",
-                "symfony/phpunit-bridge": "~3.2"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "5.4-dev"
-                }
-            },
-            "autoload": {
-                "files": [
-                    "lib/swift_required.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Chris Corbyn"
-                },
-                {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
-                }
-            ],
-            "description": "Swiftmailer, free feature-rich PHP mailer",
-            "homepage": "https://swiftmailer.symfony.com",
-            "keywords": [
-                "email",
-                "mail",
-                "mailer"
-            ],
-            "time": "2018-07-31T09:26:32+00:00"
-        },
         {
             "name": "symfony/polyfill-mbstring",
             "version": "v1.12.0",
diff --git a/lib/Config/RequirementsChecker.php b/lib/Config/RequirementsChecker.php
index abda4325b8..b3e5b6fbfe 100644
--- a/lib/Config/RequirementsChecker.php
+++ b/lib/Config/RequirementsChecker.php
@@ -17,9 +17,6 @@ class RequirementsChecker {
   public $vendor_classes = [
     '\ORM',
     '\Model',
-    '\Swift_Mailer',
-    '\Swift_SmtpTransport',
-    '\Swift_Message',
     '\Carbon\Carbon',
     '\Sudzy\ValidModel',
     '\Sudzy\ValidationException',
diff --git a/lib/Mailer/Methods/AmazonSES.php b/lib/Mailer/Methods/AmazonSES.php
index f8d57d0551..4ffb31019e 100644
--- a/lib/Mailer/Methods/AmazonSES.php
+++ b/lib/Mailer/Methods/AmazonSES.php
@@ -6,6 +6,7 @@ use MailPoet\Mailer\Mailer;
 use MailPoet\Mailer\Methods\Common\BlacklistCheck;
 use MailPoet\Mailer\Methods\ErrorMappers\AmazonSESMapper;
 use MailPoet\WP\Functions as WPFunctions;
+use MailPoetVendor\Swift_Message;
 
 class AmazonSES {
   public $aws_access_key;
@@ -108,7 +109,7 @@ class AmazonSES {
   }
 
   function createMessage($newsletter, $subscriber, $extra_params = []) {
-    $message = \Swift_Message::newInstance()
+    $message = Swift_Message::newInstance()
       ->setTo($this->processSubscriber($subscriber))
       ->setFrom([
           $this->sender['from_email'] => $this->sender['from_name'],
@@ -132,7 +133,7 @@ class AmazonSES {
     return $message;
   }
 
-  function encodeMessage(\Swift_Message $message) {
+  function encodeMessage(Swift_Message $message) {
     return base64_encode($message->toString());
   }
 
diff --git a/lib/Mailer/Methods/ErrorMappers/AmazonSESMapper.php b/lib/Mailer/Methods/ErrorMappers/AmazonSESMapper.php
index bf9cadeaae..14b2aaeec6 100644
--- a/lib/Mailer/Methods/ErrorMappers/AmazonSESMapper.php
+++ b/lib/Mailer/Methods/ErrorMappers/AmazonSESMapper.php
@@ -6,6 +6,7 @@ use MailPoet\Mailer\Mailer;
 use MailPoet\Mailer\MailerError;
 use MailPoet\Mailer\SubscriberError;
 use MailPoet\WP\Functions as WPFunctions;
+use MailPoetVendor\Swift_RfcComplianceException;
 
 class AmazonSESMapper {
   use BlacklistErrorMapperTrait;
@@ -15,7 +16,7 @@ class AmazonSESMapper {
 
   function getErrorFromException(\Exception $e, $subscriber) {
     $level = MailerError::LEVEL_HARD;
-    if ($e instanceof \Swift_RfcComplianceException) {
+    if ($e instanceof Swift_RfcComplianceException) {
       $level = MailerError::LEVEL_SOFT;
     }
     $subscriber_errors = [new SubscriberError($subscriber, null)];
diff --git a/lib/Mailer/Methods/ErrorMappers/SMTPMapper.php b/lib/Mailer/Methods/ErrorMappers/SMTPMapper.php
index 3207e2a035..26e536e639 100644
--- a/lib/Mailer/Methods/ErrorMappers/SMTPMapper.php
+++ b/lib/Mailer/Methods/ErrorMappers/SMTPMapper.php
@@ -6,6 +6,7 @@ use MailPoet\Mailer\Mailer;
 use MailPoet\Mailer\MailerError;
 use MailPoet\Mailer\SubscriberError;
 use MailPoet\WP\Functions as WPFunctions;
+use MailPoetVendor\Swift_RfcComplianceException;
 
 class SMTPMapper {
   use BlacklistErrorMapperTrait;
@@ -22,7 +23,7 @@ class SMTPMapper {
     $message = explode(PHP_EOL, $e->getMessage());
 
     $level = MailerError::LEVEL_HARD;
-    if ($e instanceof \Swift_RfcComplianceException) {
+    if ($e instanceof Swift_RfcComplianceException) {
       $level = MailerError::LEVEL_SOFT;
     }
     $subscriber_errors = [new SubscriberError($subscriber, null)];
diff --git a/lib/Mailer/Methods/SMTP.php b/lib/Mailer/Methods/SMTP.php
index 1c3a269591..f4677c5628 100644
--- a/lib/Mailer/Methods/SMTP.php
+++ b/lib/Mailer/Methods/SMTP.php
@@ -6,6 +6,11 @@ use MailPoet\Mailer\Mailer;
 use MailPoet\Mailer\Methods\Common\BlacklistCheck;
 use MailPoet\Mailer\Methods\ErrorMappers\SMTPMapper;
 use MailPoet\WP\Functions as WPFunctions;
+use MailPoetVendor\Swift_Mailer;
+use MailPoetVendor\Swift_Message;
+use MailPoetVendor\Swift_Plugins_LoggerPlugin;
+use MailPoetVendor\Swift_Plugins_Loggers_ArrayLogger;
+use MailPoetVendor\Swift_SmtpTransport;
 
 class SMTP {
   public $host;
@@ -45,8 +50,8 @@ class SMTP {
       $return_path :
       $this->sender['from_email'];
     $this->mailer = $this->buildMailer();
-    $this->mailer_logger = new \Swift_Plugins_Loggers_ArrayLogger();
-    $this->mailer->registerPlugin(new \Swift_Plugins_LoggerPlugin($this->mailer_logger));
+    $this->mailer_logger = new Swift_Plugins_Loggers_ArrayLogger();
+    $this->mailer->registerPlugin(new Swift_Plugins_LoggerPlugin($this->mailer_logger));
     $this->error_mapper = $error_mapper;
     $this->blacklist = new BlacklistCheck();
   }
@@ -73,7 +78,7 @@ class SMTP {
   }
 
   function buildMailer() {
-    $transport = \Swift_SmtpTransport::newInstance(
+    $transport = Swift_SmtpTransport::newInstance(
       $this->host, $this->port, $this->encryption);
     $connection_timeout = $this->wp->applyFilters('mailpoet_mailer_smtp_connection_timeout', self::SMTP_CONNECTION_TIMEOUT);
     $transport->setTimeout($connection_timeout);
@@ -83,11 +88,11 @@ class SMTP {
         ->setPassword($this->password);
     }
     $transport = $this->wp->applyFilters('mailpoet_mailer_smtp_transport_agent', $transport);
-    return \Swift_Mailer::newInstance($transport);
+    return Swift_Mailer::newInstance($transport);
   }
 
   function createMessage($newsletter, $subscriber, $extra_params = []) {
-    $message = \Swift_Message::newInstance()
+    $message = Swift_Message::newInstance()
       ->setTo($this->processSubscriber($subscriber))
       ->setFrom(
         [
diff --git a/prefixer/composer.json b/prefixer/composer.json
index 905dd36f0a..00548e6580 100644
--- a/prefixer/composer.json
+++ b/prefixer/composer.json
@@ -7,6 +7,7 @@
     "gregwar/captcha": "^1.1",
     "monolog/monolog": "^1.23",
     "sabberworm/php-css-parser": "^8.1",
+    "swiftmailer/swiftmailer": "5.4.12",
     "symfony/dependency-injection": "3.4.26",
     "symfony/polyfill-mbstring": "^1.11",
     "symfony/polyfill-php72": "^1.11",
@@ -21,7 +22,8 @@
       "../tools/vendor/php-scoper.phar add-prefix",
       "mv ./build/* ../vendor-prefixed",
       "php fix-twig.php",
-      "php fix-doctrine.php"
+      "php fix-doctrine.php",
+      "php fix-swiftmailer.php"
     ]
   },
   "config": {
diff --git a/prefixer/composer.lock b/prefixer/composer.lock
index 3b5345178e..7e948cf790 100644
--- a/prefixer/composer.lock
+++ b/prefixer/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "74021a12e7237e4a9994dff6fc888b6e",
+    "content-hash": "3c34a814f0565a78f75d50814f8a165d",
     "packages": [
         {
             "name": "doctrine/annotations",
@@ -883,6 +883,60 @@
             ],
             "time": "2018-07-13T13:23:56+00:00"
         },
+        {
+            "name": "swiftmailer/swiftmailer",
+            "version": "v5.4.12",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/swiftmailer/swiftmailer.git",
+                "reference": "181b89f18a90f8925ef805f950d47a7190e9b950"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/swiftmailer/swiftmailer/zipball/181b89f18a90f8925ef805f950d47a7190e9b950",
+                "reference": "181b89f18a90f8925ef805f950d47a7190e9b950",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "mockery/mockery": "~0.9.1",
+                "symfony/phpunit-bridge": "~3.2"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "5.4-dev"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "lib/swift_required.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Chris Corbyn"
+                },
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                }
+            ],
+            "description": "Swiftmailer, free feature-rich PHP mailer",
+            "homepage": "https://swiftmailer.symfony.com",
+            "keywords": [
+                "email",
+                "mail",
+                "mailer"
+            ],
+            "time": "2018-07-31T09:26:32+00:00"
+        },
         {
             "name": "symfony/console",
             "version": "v3.4.29",
diff --git a/prefixer/fix-swiftmailer.php b/prefixer/fix-swiftmailer.php
new file mode 100755
index 0000000000..3774ae98bb
--- /dev/null
+++ b/prefixer/fix-swiftmailer.php
@@ -0,0 +1,29 @@
+<?php
+
+// throw exception if anything fails
+set_error_handler(function ($severity, $message, $file, $line) {
+  throw new ErrorException($message, 0, $severity, $file, $line);
+});
+
+// fix Swiftmailer namespaces in string not being correctly prefixed
+$iterator = new RecursiveDirectoryIterator(__DIR__ . '/../vendor-prefixed/swiftmailer', RecursiveDirectoryIterator::SKIP_DOTS);
+$files = new RecursiveIteratorIterator($iterator, RecursiveIteratorIterator::SELF_FIRST);
+foreach ($files as $file) {
+  if (substr($file, -3) === 'php') {
+    $data = file_get_contents($file);
+    $data = preg_replace("/'(Swift_[^']*?::)/", "'MailPoetVendor\\\\\\\\$1", $data);
+    $data = preg_replace("/InstanceOf\('(Swift_[^']*?')/", "InstanceOf('MailPoetVendor\\\\\\\\$1", $data);
+    $data = preg_replace("/registerAutoload\('(_swift[^']*?')/", "registerAutoload('MailPoetVendor\\\\\\\\$1", $data);
+    $data = str_replace('SWIFT_INIT_LOADED', 'MAILPOET_SWIFT_INIT_LOADED', $data);
+
+    // require-once 'swift_init.php' in classes since prefixed version won't use Swift's autoloader
+    if (strpos($file, 'classes') !== false) {
+      $path = substr($file, strpos($file, 'classes'));
+      $nesting_level = substr_count(str_replace('\\', '/', $path), '/');
+      $search = 'namespace MailPoetVendor;';
+      $require_path = str_repeat('/..', $nesting_level) . '/swift_init.php';
+      $data = str_replace($search, "$search\n\nrequire_once __DIR__ . '$require_path';", $data);
+    }
+    file_put_contents($file, $data);
+  }
+}
diff --git a/tests/unit/Mailer/Methods/ErrorMappers/SMTPMapperTest.php b/tests/unit/Mailer/Methods/ErrorMappers/SMTPMapperTest.php
index fc06e8aebb..89a78ea81f 100644
--- a/tests/unit/Mailer/Methods/ErrorMappers/SMTPMapperTest.php
+++ b/tests/unit/Mailer/Methods/ErrorMappers/SMTPMapperTest.php
@@ -7,6 +7,7 @@ use MailPoet\Mailer\Mailer;
 use MailPoet\Mailer\MailerError;
 use MailPoet\Mailer\Methods\ErrorMappers\SMTPMapper;
 use MailPoet\WP\Functions as WPFunctions;
+use MailPoetVendor\Swift_RfcComplianceException;
 
 class SMTPMapperTest extends \MailPoetUnitTest {
 
@@ -37,7 +38,7 @@ class SMTPMapperTest extends \MailPoetUnitTest {
 
   function testItCreatesSoftErrorForInvalidEmail() {
     $message = 'Invalid email';
-    $error = $this->mapper->getErrorFromException(new \Swift_RfcComplianceException($message), 'john@rambo.com');
+    $error = $this->mapper->getErrorFromException(new Swift_RfcComplianceException($message), 'john@rambo.com');
     expect($error->getLevel())->equals(MailerError::LEVEL_SOFT);
   }