src/Util/EMailer/MailBuilder.php

   1 <?php
   2
   3 namespace Friendica\Util\EMailer;
   4
   5 use Exception;
   6 use Friendica\App\BaseURL;
   7 use Friendica\Core\Config\IConfig;
   8 use Friendica\Core\L10n;
   9 use Friendica\Core\Renderer;
  10 use Friendica\Model\User;
  11 use Friendica\Network\HTTPException\InternalServerErrorException;
  12 use Friendica\Object\Email;
  13 use Friendica\Object\EMail\IEmail;
  14
  15 /**
  16  * A base class for building new emails
  17  */
  18 abstract class MailBuilder
  19 {
  20         /** @var string The default email banner in case nothing else is defined */
  21         const DEFAULT_EMAIL_BANNER = 'images/friendica-32.png';
  22
  23         /** @var L10n */
  24         protected $l10n;
  25         /** @var IConfig */
  26         protected $config;
  27         /** @var BaseURL */
  28         protected $baseUrl;
  29
  30         /** @var string */
  31         protected $headers;
  32
  33         /** @var string */
  34         protected $senderName = null;
  35         /** @var string */
  36         protected $senderAddress = null;
  37         /** @var string */
  38         protected $senderNoReply = null;
  39
  40         /** @var string */
  41         protected $recipientAddress = null;
  42         /** @var int */
  43         protected $recipientUid = null;
  44
  45         public function __construct(L10n $l10n, BaseURL $baseUrl, IConfig $config)
  46         {
  47                 $this->l10n    = $l10n;
  48                 $this->baseUrl = $baseUrl;
  49                 $this->config  = $config;
  50
  51                 $hostname = $baseUrl->getHostname();
  52                 if (strpos($hostname, ':')) {
  53                         $hostname = substr($hostname, 0, strpos($hostname, ':'));
  54                 }
  55
  56                 $this->headers = "";
  57                 $this->headers .= "Precedence: list\n";
  58                 $this->headers .= "X-Friendica-Host: " . $hostname . "\n";
  59                 $this->headers .= "X-Friendica-Platform: " . FRIENDICA_PLATFORM . "\n";
  60                 $this->headers .= "X-Friendica-Version: " . FRIENDICA_VERSION . "\n";
  61                 $this->headers .= "List-ID: <notification." . $hostname . ">\n";
  62                 $this->headers .= "List-Archive: <" . $baseUrl->get() . "/notifications/system>\n";
  63         }
  64
  65         /**
  66          * Gets the subject of the concrete builder, which inherits this base class
  67          *
  68          * @return string
  69          */
  70         abstract protected function getSubject();
  71
  72         /**
  73          * Gets the HTML version of the body of the concrete builder, which inherits this base class
  74          *
  75          * @return string
  76          */
  77         abstract protected function getHtmlMessage();
  78
  79         /**
  80          * Gets the Plaintext version of the body of the concrete builder, which inherits this base class
  81          *
  82          * @return string
  83          */
  84         abstract protected function getPlaintextMessage();
  85
  86         /**
  87          * Adds the User ID to the email in case the mail sending needs additional properties of this user
  88          *
  89          * @param int $uid The User ID
  90          *
  91          * @return static
  92          */
  93         public function forUser(int $uid)
  94         {
  95                 $this->recipientUid = $uid;
  96
  97                 return $this;
  98         }
  99
 100         /**
 101          * Adds the sender to the email (if not called/set, the sender will get loaded with the help of the user id)
 102          *
 103          * @param string      $name    The name of the sender
 104          * @param string      $address The (email) address of the sender
 105          * @param string|null $noReply Optional "no-reply" (email) address (if not set, it's the same as the address)
 106          *
 107          * @return static
 108          */
 109         public function withSender(string $name, string $address, string $noReply = null)
 110         {
 111                 $this->senderName    = $name;
 112                 $this->senderAddress = $address;
 113                 $this->senderNoReply = $noReply ?? $this->senderNoReply;
 114
 115                 return $this;
 116         }
 117
 118         /**
 119          * Adds a recipient to the email
 120          *
 121          * @param string $address The (email) address of the recipient
 122          *
 123          * @return static
 124          */
 125         public function withRecipient(string $address)
 126         {
 127                 $this->recipientAddress = $address;
 128
 129                 return $this;
 130         }
 131
 132         /**
 133          * Build a email based on the given attributes
 134          *
 135          * @param bool $raw True, if the email shouldn't get extended by the default email-template
 136          *
 137          * @return IEmail A new generated email
 138          *
 139          * @throws InternalServerErrorException
 140          * @throws Exception
 141          */
 142         public function build(bool $raw = false)
 143         {
 144                 if ((empty($this->recipientAddress)) &&
 145                     !empty($this->recipientUid)) {
 146                         $user = User::getById($this->recipientUid, ['email']);
 147
 148                         if (!empty($user['email'])) {
 149                                 $this->recipientAddress = $user['email'];
 150                         }
 151                 }
 152
 153                 if (empty($this->recipientAddress)) {
 154                         throw new InternalServerErrorException('Recipient address is missing.');
 155                 }
 156
 157                 if (empty($this->senderAddress) || empty($this->senderName)) {
 158                         throw new InternalServerErrorException('Sender address or name is missing.');
 159                 }
 160
 161                 $this->senderNoReply = $this->senderNoReply ?? $this->senderAddress;
 162
 163                 $msgHtml = $this->getHtmlMessage() ?? '';
 164
 165                 if (!$raw) {
 166                         // load the template for private message notifications
 167                         $tpl     = Renderer::getMarkupTemplate('email/html.tpl');
 168                         $msgHtml = Renderer::replaceMacros($tpl, [
 169                                 '$title'       => $this->l10n->t('Friendica Notification'),
 170                                 '$product'     => FRIENDICA_PLATFORM,
 171                                 '$htmlversion' => $msgHtml,
 172                                 '$sitename'    => $this->config->get('config', 'sitename'),
 173                                 '$banner'      => $this->config->get('system', 'email_banner',
 174                                         $this->baseUrl->get(true) . DIRECTORY_SEPARATOR . self::DEFAULT_EMAIL_BANNER),
 175                         ]);
 176                 }
 177
 178                 return new Email(
 179                         $this->senderName,
 180                         $this->senderAddress,
 181                         $this->senderNoReply,
 182                         $this->recipientAddress,
 183                         $this->getSubject() ?? '',
 184                         $msgHtml,
 185                         $this->getPlaintextMessage() ?? '',
 186                         $this->headers,
 187                         $this->recipientUid ?? null);
 188         }
 189 }