107 lines
3.1 KiB
PHP
107 lines
3.1 KiB
PHP
<?php
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declare(strict_types=1);
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function mail_contains_header_injection(string $value): bool {
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return strpbrk($value, "\r\n\0") !== false;
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}
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function mail_is_valid_email(string $value): bool {
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if (mail_contains_header_injection($value)) {
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return false;
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}
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return filter_var($value, FILTER_VALIDATE_EMAIL) !== false;
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}
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function send_mail(string $an, string $betreff, string $text, string $ok = '', string $error = ''): void {
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global $absender;
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$sender = 'noreply@troy-grunt.de';
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if(isset($absender) && $absender) {
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$sender = $absender;
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}else{
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include 'secret.php';
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if (isset ( $_sendermail )) {
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$sender = $_sendermail;
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}
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}
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if (!mail_is_valid_email($an) || !mail_is_valid_email($sender) || mail_contains_header_injection($betreff)) {
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echo $error;
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return;
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}
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$header = 'From: ' . $sender . "\r\n";
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$header .= 'To: ' . $an . "\r\n";
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$header .= 'Content-Type:text/html' . "\r\n";
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$header .= 'Content-Transfer-Encoding: 8bit' . "\r\n";
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$header .= 'X-Mailer: PHP/' . phpversion ();
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if (mail ( $an, $betreff, $text, $header ) === true) {
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echo $ok;
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} else {
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echo $error;
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}
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}
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function send_html_mail(string $an, string $betreff, string $text, string $ok = '', string $error = ''): void {
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global $absender;
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$sender = 'noreply@troy-grunt.de';
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if(isset($absender) && $absender) {
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$sender = $absender;
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}else{
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include 'secret.php';
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if (isset ( $_sendermail )) {
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$sender = $_sendermail;
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}
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}
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if (!mail_is_valid_email($an) || !mail_is_valid_email($sender) || mail_contains_header_injection($betreff)) {
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echo $error;
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return;
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}
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$boundary = md5($an.$betreff.$text.time());
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$header = 'From: ' . $sender . "\n";
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$header .= 'To: ' . $an . "\n";
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$header .= 'Content-Type:multipart/alternative;boundary='.$boundary . "\n";
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$header .= 'X-Mailer: PHP/' . phpversion ();
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$content = "This is multipart message using MIME\n";
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$content .= "--" . $boundary . "\n";
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$content .= "Content-type: text/plain;charset=utf-8\n";
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$content .= 'Content-Transfer-Encoding: 8bit' . "\n\n";
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$content .= strip_tags($text)."\n\n";
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$content .= "--" . $boundary . "\n";
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$content .= "Content-type: text/html;charset=utf-8\n";
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$content .= "Content-Transfer-Encoding: 8bit". "\n\n";
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$content .= '<html><body>'.$text.'</body></html>'."\n\n";
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if (mail ( $an, $betreff, $content, $header ) === true) {
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echo $ok;
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} else {
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echo $error;
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}
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}
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function send_php_mail(string $an, string $betreff, string $text, string $ok = '', string $error = ''): void {
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global $_sendermail;
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$sender = 'noreply@troy-grunt.de';
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if (isset ( $_sendermail )) {
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$sender = $_sendermail;
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}
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if (!mail_is_valid_email($an) || !mail_is_valid_email($sender) || mail_contains_header_injection($betreff)) {
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echo $error;
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return;
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}
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include 'php-mailer/PHPMailer.php';
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$mail = new PHPMailer();
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$mail->setFrom($sender);
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$mail->addAddress($an);
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$mail->Subject = $betreff;
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$mail->msgHTML($text, __DIR__);
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$mail->AltBody = strip_tags($text);
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if (!$mail->send()) {
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echo 'Mailer Error: ' . $mail->ErrorInfo;
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} else {
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echo 'Message sent!';
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}
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}
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?>
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