70 lines
2.4 KiB
PHP
70 lines
2.4 KiB
PHP
<?php
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// inspired by https://www.mailgun.com/blog/email/double-opt-in-with-php-mailgun/
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$webroot = $_SERVER['DOCUMENT_ROOT'];
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require($webroot . '/functions.php');
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$successURL = '/success.html';
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$errorURL = '/error.html';
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$err = 'Anmeldung fehlgeschlagen';
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// file name of confirm script
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$confirmScript = '/newsletter/confirm.php';
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// body template for confirmation email
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$body = [
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'Hallo!',
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'Bitte bestätige die Anmeldung für meinen Newsletter, indem du auf den folgenden Link klickst:',
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'%Placeholder%',
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'Bis bald und viele Grüße, Tobias'
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];
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// contents of confirmation email
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$mailContents = [
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'subject' => 'Newsletter-Anmeldung bestaetigen',
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'bodyHTML' => '<p>' . implode('</p><p>', $body) . '</p>',
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'bodyText' => implode("\n\n", $body),
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'fromAddress' => '***REMOVED***', // 'newsletter@tobias-radloff.de'
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'fromName' => 'Tobias Radloffs Newsletter'
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];
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// check if email parameter is set
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if ( ! isset($_POST['email']) ) {
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GracefulExit($errorURL, "{$err}: Keine Emailadresse angegeben.");
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}
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// check if it's a well-formed email address
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$email = filter_var(trim($_POST['email'], FILTER_SANITIZE_STRING));
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if ( ! filter_var($email, FILTER_VALIDATE_EMAIL)) {
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GracefulExit($errorURL, "{$err}: Ungültige Emailadresse {$email}");
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}
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// check whether address is already subscribed
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try {
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$check = NotYetSubscribed($email);
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if ( gettype($check) == 'string' ) {
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GracefulExit($errorURL, "{$err}: {$check}.");
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}
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} catch (\PDOException $e) {
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GracefulExit($errorURL, "{$err}: {$e->getMessage()}");
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}
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// build and add link to
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$confirmQuery = http_build_query(['c' => GetConfirmationHash($email), 'e' => $email]);
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$confirmLink = $general['site_url'] . $confirmScript . "?" . $confirmQuery;
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$mailContents['bodyHTML'] = str_replace('%Placeholder%', "<a href=\"{$confirmLink}\">Anmeldung bestätigen</a>", $mailContents['bodyHTML']);
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$mailContents['bodyText'] = str_replace('%Placeholder%', $confirmLink, $mailContents['bodyText']);
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// send email
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try {
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SendEmail($email, $mailContents);
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} catch (Exception $e) {
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GracefulExit($errorURL, "{$err}: {$e->getMessage()}");
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}
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// success
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$mailContents['subject'] = 'Jemand will den Newsletter abonnieren und hat gerade eine Kopie dieser Mail bekommen';
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SendEmail($general['notificationAddress'], $mailContents);
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GracefulExit($successURL, "Anmeldung erfolgreich: Email mit Bestätigungslink wurde an {$email} versandt.");
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?>
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