lots of work around the newsletter subscription process
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@ -1,25 +1,38 @@
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<?php
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// inspired by https://www.mailgun.com/blog/email/double-opt-in-with-php-mailgun/
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$statusCode = "HTTP/1.1 303 See Other";
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$successURL = '/newsletter/confirmed.html';
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$errorURL = '/newsletter/confirm-error.html';
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// return TRUE when successful, message string on failure
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// e.g. Adresse schon vorhanden, Datenbank-Fehler, was noch?
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function AddMemberToDB($recipientAddress) {
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/* global $mailingList, $mgClient;
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$result = $mgClient->post("lists/$mailingList/members", array(
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'address' => $recipientAddress,
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'name' => $recipientName,
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'description' => 'Form Opt In',
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'subscribed' => true
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)); */
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global $db;
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echo "ah jup";
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return TRUE;
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}
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require("settings.php");
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require(dirname(__FILE__) . "/settings.php");
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$c = isset($_GET['c']) ? SanitizeInputs($_GET['c']) : NULL;
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$e = isset($_GET['e']) ? SanitizeInputs($_GET['e']) : NULL;
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if (isset($c) && isset($e) && CheckConfirmationHash($e, $c) && AddMemberToDB($e)) {
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header('Location: /newsletter/confirmed.html');
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if (! (isset($c) && isset($e) && CheckConfirmationHash($e, $c)) ) {
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header($statusCode);
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header("Location: " . $errorURL . "?" . http_build_query(["msg" => SanitizeInputs("Ungültiger Link")]));
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} else {
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header('Location: /newsletter/confirm-error.html')
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$result = AddMemberToDB($e);
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if ($result == TRUE) {
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header($statusCode);
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header("Location: " . $successURL);
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} elseif (gettype($result == "string")) {
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header($statusCode);
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header("Location: " . $errorURL . "?" . http_build_query(["msg" => SanitizeInputs($result)]));
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} else {
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header($statusCode);
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header("Location: " . $errorURL . "?" . http_build_query(["msg" => SanitizeInputs("Unbekannter Fehler")]));
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}
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}
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?>
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@ -1,13 +1,50 @@
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<?php
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// inspired by https://www.mailgun.com/blog/email/double-opt-in-with-php-mailgun/
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$domain = 'tobias-radloff.de';
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$fromAddress = 'newsletter@tobias-radloff.de';
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$siteURL = 'https://tobias-radloff.de';
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$uniqueKey = '***REMOVED***'; // works like password salt
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// general constants
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$general = array(
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// "domain" => 'tobias-radloff.de',
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"domain" => 'localhost',
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"uniqueKey" => '***REMOVED***', // works like password salt
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"confirmScript" => "/confirm.php"
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);
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$general["siteURL"] = "https://" . $general["domain"];
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// smtp info
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$smtp = array(
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"host" => '***REMOVED***
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"port" => 587,
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"username" => 'tobias',
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"password" => '***REMOVED***',
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"auth" => TRUE,
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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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$body = array(
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"Hallo!",
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"Bitte bestätige die Anmeldung für meinen Newsletter, indem du auf den folgenden Link klickst:",
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"%confirmURL%", // placeholder
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"Bis bald und viele Grüße, Tobias"
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);
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// mail contents
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$mail = array(
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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", $body)
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);
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// DB constants
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$db = array(
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"host" => "",
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"port" => "",
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"username" => "",
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"password" => ""
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);
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function SanitizeInputs($var) {
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return = htmlspecialchars($var, ENT_QUOTES);
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return htmlspecialchars($var, ENT_QUOTES);
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}
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function SanitizeEmail ($var) {
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@ -19,6 +56,7 @@ function SanitizeEmail ($var) {
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}
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function CheckConfirmationHash($confEmail, $confCode) {
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return (md5($confEmail . $uniqueKey) === $confCode);
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global $general;
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return (md5($confEmail . $general["uniqueKey"]) === $confCode);
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}
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?>
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@ -1,37 +1,73 @@
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<?php
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// inspired by https://www.mailgun.com/blog/email/double-opt-in-with-php-mailgun/
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// import PHPMailer classes into the global namespace
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use PHPMailer\PHPMailer\PHPMailer;
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use PHPMailer\PHPMailer\SMTP;
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use PHPMailer\PHPMailer\Exception;
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$dname = dirname(__FILE__);
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require $dname . '/Exception.php';
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require $dname . '/PHPMailer.php';
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require $dname . '/SMTP.php';
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function MakeConfirmationHash($confEmail, $confCode) {
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return md5($confEmail . $confCode);
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}
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function SendConfirmationEmail($recipientAddress) {
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global $domain, $fromAddress, $siteURL, $uniqueKey;
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global $general, $smtp, $mail;
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$hashedUnique = MakeConfirmationHash($recipientAddress, $uniqueKey);
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$confirmURL = $siteURL . '/confirm.php?c=' . $hashedUnique . '&e=' . $recipientAddress
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$hashedUnique = MakeConfirmationHash($recipientAddress, $general["uniqueKey"]);
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$confirmQuery = http_build_query(["c" => $hashedUnique, "e" => $recipientAddress]);
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$confirmURL = $general["siteURL"] . $general["confirmScript"] . "?" . $confirmQuery;
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// FIXME
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// use PHPMailer?
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$to = $recipientAddress;
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$subject = 'Newsletter-Anmeldung bestaetigen';
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$body = '<p>Hallo! Bitte bestätige die Anmeldung für meinen Newsletter, indem du auf <a href="' . $confirmURL . '">diesen Link</a> klickst. Viel Spaß mit dem Gedicht!</p><p>Bis bald und viele Grüße<br>Tobias';
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$headers = 'From: newsletter@' . $domain;
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$result = mail($to, $subject, $body, $headers);
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return $result;
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// create PHPMailer instance
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$mailer = new PHPMailer(true);
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try {
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//Server settings
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// $mailer->SMTPDebug = SMTP::DEBUG_SERVER; //Enable verbose debug output
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$mailer->isSMTP();
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$mailer->Host = $smtp["host"];
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$mailer->SMTPAuth = $smtp["auth"];
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$mailer->Username = $smtp["username"];
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$mailer->Password = $smtp["password"];
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//$mailer->SMTPSecure = PHPMailer::ENCRYPTION_SMTPS; //Enable implicit TLS encryption
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$mailer->Port = $smtp["port"]; //TCP port to connect to; use 587 if you have set `SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS`
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//Recipients
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$mailer->setFrom($smtp["fromAddress"], $smtp["fromName"]);
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$mailer->addAddress($recipientAddress); //Add a recipient
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//Content
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$mailer->CharSet = "UTF-8";
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$mailer->isHTML(true);
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$mailer->Subject = $mail["subject"];
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$mailer->Body = str_replace("%confirmURL%", $confirmURL, $mail["bodyHTML"]);
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$mailer->AltBody = str_replace("%confirmURL%", $confirmURL, $mail["bodyText"]);
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$mailer->send();
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return TRUE;
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} catch (Exception $e) {
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error_log("Message error: " . $e);
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return FALSE;
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}
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}
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require("settings.php");
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require($dname . "/settings.php");
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if (isset($_POST['email'])) {
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$email = SanitizeEmail(trim($_POST['email']));
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echo $email; //DEBUG
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// error_log("Received subscription request for address " . $email . " ..."); //DEBUG
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$result = SendConfirmationEmail($email);
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if $result == TRUE ) {
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if ( $result == TRUE ) {
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header('Location: /newsletter/subscribed.html');
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error_log("Message to " . $email . " has been sent.");
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} else {
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header('Location: /newsletter/subscribe-error.html')
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header('Location: /newsletter/subscribe-error.html');
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error_log("Message to " . $email . " could not be sent.");
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}
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}
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?>
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@ -1,18 +1,18 @@
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<?php
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function RemoveMemberfromDB($subscriberAddress) {
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//FIXME
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function RemoveSubscriberfromDB($subscriberAddress) {
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error_log("removing subscriber " . $subscriberAddress . " from DB ...");
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}
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require("settings.php");
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require(dirname(__FILE__) . "/settings.php");
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$email = isset($_GET['email']) ? SanitizeInputs($_GET['email']) : NULL;
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$email = isset($_GET['e']) ? SanitizeInputs($_GET['e']) : NULL;
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if (isset($email)) {
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$r = RemoveMemberfromDB($email);
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$r = RemoveSubscriberfromDB($email);
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if ($r) {
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header('Location: /newsletter/unsubscribed.html');
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} else {
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header('Location: /newsletter/unsubscribe-error.html')
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header('Location: /newsletter/unsubscribe-error.html');
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}
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}
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?>
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@ -3,6 +3,6 @@
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<p>Komm gerne wieder, irgendwann.</p>
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</hgroup>
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<form class="newsletter-form" method="get" action="{{ SITEURL }}/unsubscribe.php">
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<input class="newsletter-email" type="email" name="email" placeholder="Emailadresse" autocomplete="email" aria-label="Emailadresse" required/>
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<input class="newsletter-submit" type="submit" value="Abonnieren" />
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<input class="newsletter-email" type="email" name="e" placeholder="Emailadresse" autocomplete="email" aria-label="Emailadresse" required/>
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<input class="newsletter-submit" type="submit" value="Abmelden" />
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</form>
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