Resolve "[Integrator] - Create MailLib to be used by orchestrator instead of the mailController."

Related to #34 (closed)

src/FusionDirectory/Mail/MailLib.php

+<?php
+
+namespace FusionDirectory\Mail;
+
+use PHPMailer\PHPMailer\PHPMailer;
+use PHPMailer\PHPMailer\SMTP;
+use PHPMailer\PHPMailer\Exception;
+
+class MailLib
+{
+
+  protected string  $setFrom;
+  protected ?string $setBCC;
+  protected array   $recipients;
+  protected string  $body;
+  protected ?string $signature;
+  protected string  $subject;
+  protected ?string $receipt;
+  protected ?array  $attachments;
+  private PHPMailer $mail;
+
+  function __construct (
+    string $setFrom,
+    ?string $setBCC,
+    array $recipients,
+    string $body,
+    ?string $signature,
+    string $subject,
+    string $receipt = NULL, array $attachments = NULL
+  )
+  {
+    // The TRUE value passed it to enable the exception handling properly.
+    $this->mail        = new PHPMailer(TRUE);
+    $this->setFrom     = $setFrom;
+    $this->setBCC      = $setBCC;
+    $this->recipients  = $recipients;
+    $this->body        = $body;
+    $this->signature   = $signature;
+    $this->subject     = $subject;
+    $this->receipt     = $receipt;
+    $this->attachments = $attachments;
+
+  }
+
+  public function sendMail (): array
+  {
+    // Our returned array
+    $errors = [];
+
+    $this->mail->isSMTP();
+    $this->mail->Host = $_ENV["MAIL_HOST"];
+
+    /*
+     * In case there are FQDN errors responses by the SMTP server, try below.
+     * $this->mail->Helo = '['.$_SERVER['SERVER_ADDR'].']';
+     */
+
+    $this->mail->SMTPAuth   = TRUE;
+    $this->mail->Username   = $_ENV["MAIL_USER"];
+    $this->mail->Password   = $_ENV["MAIL_PASS"];
+    $this->mail->SMTPSecure = $_ENV["MAIL_SEC"];
+    $this->mail->Port       = $_ENV["MAIL_PORT"];
+    $this->mail->AuthType   = 'LOGIN';
+
+    if (!empty($this->attachments)) {
+      foreach ($this->attachments as $attachment) {
+        $this->mail->addStringAttachment($attachment['content'], $attachment['cn']);
+      }
+    }
+
+    $this->mail->setFrom($this->setFrom);
+
+    if (!empty($this->setBCC)) {
+      $this->mail->addBCC($this->setBCC);
+    }
+
+    if ($this->receipt === 'TRUE') {
+      $this->mail->addCustomHeader('Disposition-Notification-To', $this->setFrom);
+    }
+    $this->mail->Subject = $this->subject;
+    $this->mail->Body    = $this->body;
+
+    if (!empty($this->signature)) {
+      $this->mail->Body .= "\n\n" . $this->signature;
+    }
+
+    // add it to keep SMTP connection open after each email sent
+    $this->mail->SMTPKeepAlive = TRUE;
+
+    if (!empty($this->recipients["count"])) {
+      unset($this->recipients["count"]);
+    }
+
+    /* We have an anti-spam logic applied above the mail controller. In case of mail template, only one email is within
+     the recipient address, in case of notifications (e.g), multiple address exists. Therefore, the counting of anti-spam
+    increment is applied prior of this controller added by the numbers of recipients. See notifications logic in a send
+    method.
+    */
+    foreach ($this->recipients as $mail) {
+      $this->mail->addAddress($mail);
+
+      try {
+        $this->mail->send();
+
+      } catch (\Exception $e) {
+        $errors[] = $this->mail->ErrorInfo;
+
+      }
+      $this->mail->clearAddresses();
+
+      if (empty($errors)) {
+        $errors[] = "SUCCESS";
+      }
+    }
+
+    $this->mail->smtpClose();
+    return $errors;
+  }
+}
\ No newline at end of file

src/autoloader.php

@@ -10,6 +10,12 @@ spl_autoload_register(function ($class) {
   // Simple array to keep track of which classes have already been loaded.
   static $classes = [];
 
+  if (strpos($class, 'PHPMailer') !== FALSE) {
+    require_once("/usr/share/php/libphp-phpmailer/src/Exception.php");
+    require_once("/usr/share/php/libphp-phpmailer/src/PHPMailer.php");
+    require_once("/usr/share/php/libphp-phpmailer/src/SMTP.php");
+  }
+
   // Avoids re-loading classes that have already been loaded.
   if (array_key_exists($class, $classes)) {
     return;

.gitlab-ci.yml

@@ -40,6 +40,7 @@ create_phpstan_rapport:
   script:
     - test -d ../dev-tools/ && rm -Rf ../dev-tools/
     - git clone --depth 1 https://gitlab.fusiondirectory.org/fusiondirectory/dev-tools.git ../dev-tools
+    - apt install libphp-phpmailer
     - cp ../dev-tools/phpstan/fusiondirectory-integrator/*.neon .
     - /root/.composer/vendor/bin/phpstan analyse -c phpstan.neon