Some maintenance

.github/workflows/php-tests.yml

@@ -0,0 +1,30 @@
+name: PHP Tests
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  test:
+    name: PHP ${{ matrix.php-version }}
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
+
+    strategy:
+      matrix:
+        php-version: [ '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4' ]
+      max-parallel: 1
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-version }}
+
+      - name: Install Dependencies
+        run: composer install
+
+      - name: Run Tests
+        run: ./vendor/bin/phpunit --configuration phpunit.xml.dist --verbose

.gitignore

@@ -3,3 +3,4 @@ composer.lock
 .idea/
 docs/
 phpunit.xml
+.phpunit.result.cache

composer.json

@@ -18,11 +18,11 @@
       }
     ],
     "require": {
-        "php": ">=5.3.2",
+        "php": ">=5.4",
         "psr/log": "~1.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "~5.0",
+        "phpunit/phpunit": "~8.5",
         "monolog/monolog": "~1.13"
     },
     "autoload": {
@@ -31,8 +31,8 @@
         }
     },
     "autoload-dev": {
-        "classmap": [
-            "tests/TestCase.php"
-        ]
+        "psr-4": {
+            "Tx\\Mailer\\Tests\\": "tests/"
+        }
     }
 }

phpunit.xml.dist

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.5/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/8.0/phpunit.xsd"
     backupGlobals="false"
     backupStaticAttributes="false"
     bootstrap="./vendor/autoload.php"
@@ -18,16 +18,16 @@
         </testsuite>
     </testsuites>
     <filter>
-        <blacklist>
-            <directory suffix=".php">vendor</directory>
-        </blacklist>
+        <whitelist>
+            <exclude>
+                <directory suffix=".php">vendor</directory>
+            </exclude>
+        </whitelist>
     </filter>
     <logging>
-        <log
-            type="coverage-html"
-            target="docs/report"
-            lowUpperBound="35"
-            highLowerBound="70"
-            />
+        <log type="coverage-html" 
+             target="docs/report"
+             lowUpperBound="35"
+             highLowerBound="70"/>
     </logging>
 </phpunit>

src/Mailer/SMTP.php

@@ -108,15 +108,16 @@ public function __construct(LoggerInterface $logger=null)
      * set server and port
      * @param string $host server
      * @param int $port port
-     * @param string $secure ssl tls tlsv1.0 tlsv1.1 tlsv1.2
+     * @param string $secure ssl tls
+     * @param bool $allowInsecure skip certificate verification?
      * @return $this
      */
     public function setServer($host, $port, $secure=null, $allowInsecure=null)
     {
         $this->host = $host;
         $this->port = $port;
         $this->secure = $secure;
-        $this->allowInsecure = $allowInsecure;
+        $this->allowInsecure = (bool) $allowInsecure;
         if(!$this->ehlo) $this->ehlo = $host;
         $this->logger && $this->logger->debug("Set: the server");
         return $this;
@@ -204,7 +205,7 @@ protected function connect()
         $this->logger && $this->logger->debug("Connecting to {$this->host} at {$this->port}");
         $host = ($this->secure == 'ssl') ? 'ssl://' . $this->host : $this->host;
         // Create connection
-        $context = null;
+        $context = stream_context_create([]);
         if ($this->allowInsecure) {
             $context = stream_context_create([
                 'ssl' => [
@@ -214,18 +215,16 @@ protected function connect()
                 ]
             ]);
         }
-        $this->smtp = stream_socket_client(
+        $this->smtp = @stream_socket_client(
             $host.':'.$this->port,
             $error_code,
             $error_message,
             ini_get('default_socket_timeout'),
             STREAM_CLIENT_CONNECT,
             $context
         );
-        //set block mode
-        //    stream_set_blocking($this->smtp, 1);
         if (!$this->smtp){
-            throw new SMTPException("Could not open SMTP Port.");
+            throw new SMTPException("Could not open SMTP Port to $host:{$this->port}");
         }
         $code = $this->getCode();
         if ($code !== '220'){
@@ -254,24 +253,13 @@ protected function starttls()
             throw new CryptoException('Crypto type expected PHP 5.6 or greater');
         }
 
-        switch ($this->secure) {
-            case 'tlsv1.0':
-                $crypto_type = STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT;
-                break;
-            case 'tlsv1.1':
-                $crypto_type = STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT;
-                break;
-            case 'tlsv1.2':
-                $crypto_type = STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT;
-                break;
-            default:
-                $crypto_type = STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT |
-                               STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT |
-                               STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT;
-                break;
+        if ($this->allowInsecure) {
+            stream_context_set_option($this->smtp, 'ssl', 'verify_peer', false);
+            stream_context_set_option($this->smtp, 'ssl', 'verify_peer_name', false);
+            stream_context_set_option($this->smtp, 'ssl', 'allow_self_signed', true);
         }
 
-        if(!\stream_socket_enable_crypto($this->smtp, true, $crypto_type)) {
+        if(!\stream_socket_enable_crypto($this->smtp, true, STREAM_CRYPTO_METHOD_ANY_CLIENT)) {
             throw new CryptoException("Start TLS failed to enable crypto");
         }
         return $this;

tests/MailerTest.php

@@ -1,18 +1,13 @@
 <?php
 
-use \Tx\Mailer;
-use \Tx\Mailer\SMTP;
-use \Tx\Mailer\Message;
-use \Tx\Mailer\Exceptions\SMTPException;
-use \Monolog\Logger;
+namespace Tx\Mailer\Tests;
+
+use Tx\Mailer;
+use Monolog\Logger;
 
 class MailerTest extends TestCase
 {
 
-    public function setup()
-    {
-    }
-
     public function testSend()
     {
         $mail = new Mailer(new Logger('Mailer'));
@@ -23,7 +18,7 @@ public function testSend()
             ->addTo(self::TO_NAME, self::TO_EMAIL)
             ->addCc(self::CC_NAME, self::CC_EMAIL)
             ->addBcc(self::BCC_NAME, self::BCC_EMAIL)
-            ->setSubject('Test Mailer '. time())
+            ->setSubject('Test Mailer ' . time())
             ->setBody('Hi, boy')
             ->addAttachment('test', __FILE__)
             ->send();