# Letzte Aenderung: 3.12.2011 # # Copyright (C) 2002-2011 Patrick Canterino # # Diese Datei kann unter den Bedingungen der "Artistic License 2.0" # weitergegeben und / oder veraendert werden. # Siehe: # http://www.opensource.org/licenses/artistic-license-2.0 # # =========== # Hauptteil # =========== require('config.php'); require('functions.php'); require('class.Template.php'); if($only_post && $_SERVER['REQUEST_METHOD'] != 'POST') show_fatal($err_only_post); # Wenn Captchas aktiviert sind, Session starten if($captcha_enable) { session_start(); # Pruefen, ob die zulaessige Zahl der Falscheingaben bei Captchas ueberschritten wurde if($captcha_max && isset($_SESSION['captcha_failed']) && $_SESSION['captcha_failed'] >= $captcha_max) { show_fatal($err_captcha_max); } } # Bestimmte Werte in Integers umwandeln $name_min = intval($name_min); $subject_min = intval($subject_min); $text_min = intval($text_min); $name_max = intval($name_max); $subject_max = intval($subject_max); $text_max = intval($text_max); $line_break = intval($line_break); # Formulardaten auslesen $email = formdata('email'); $name = formdata('name'); $recipient = formdata('recipient'); $subject = formdata('subject'); $text = formdata('text'); # Pruefen, ob ueberhaupt was ausgefuellt wurde if(!$name && !$email && !$text) show_user_error($err_nothing); # Pruefen, ob alle wichtigen Formular-Felder ausgefuellt wurden if(!$name) show_user_error($err_no_name); if(!$email) show_user_error($err_no_email); if(!$text) show_user_error($err_no_text); if(!$subject) $subject = $default_subject; # Standard-Betreff # Pruefen, ob Name, Betreff und Text lang genug sind if($name_min && strlen($name) < $name_min) show_user_error($err_name_short); if($subject_min && strlen($subject) < $subject_min) show_user_error($err_subject_short); if($text_min && strlen($text) < $text_min) show_user_error($err_text_short); # Pruefen, ob Name, Betreff und Text nicht zu lang sind if($name_max && strlen($name) > $name_max) show_user_error($err_name_long); if($subject_max && strlen($subject) > $subject_max) show_user_error($err_subject_long); if($text_max && strlen($text) > $text_max) show_user_error($err_text_long); # Pruefen, ob eingegebene E-Mail-Adresse gueltig ist # Danke an "ich" aus dem SELFHTML Forum fuer die Muehe $mail_regexp = ($no_tld) ? '/^([a-z0-9]+([\.]?|[-]?|[_]?)?)*([a-z0-9]+([\.]?[_]?)?)@([a-z0-9]+([\.]?|[-]?)?)*[a-z0-9]$/i' : '/^([a-z0-9]+([\.]?|[-]?|[_]?)?)*([a-z0-9]+([\.]?[_]?)?)@([a-z0-9]+([\.]?|[-]?)?)*[a-z0-9]+\.{1}[a-z]{2,6}$/i'; if(!preg_match($mail_regexp,$email)) show_user_error($err_invalid_email); # Individuelle Felder einlesen $prepared_user_fields = array(); while(list($user_field,$user_field_data) = each($user_fields)) { $user_field_content = formdata($user_field); # Pruefung, ob das Feld gesetzt wurde und ob es optional ist if((!$user_field_data['optional']) && (!$user_field_content)) { show_user_error($user_field_data['errors']['not_set']); } elseif($user_field_data['optional'] && (!$user_field_content)) { # Wenn das Feld optional ist und nicht gesetzt wurde, brechen wir hier ab # und machen mit dem naechsten Feld weiter $prepared_user_fields[$user_field_data['tpl_var']] = ''; continue; } # Pruefung gegen frei definierbare Pruef-Funktion if(isset($user_field_data['check']) && $user_field_data['check'] != '') { if(function_exists($user_field_data['check']) && call_user_func($user_field_data['check'],$user_field_content) === false) { show_user_error($user_field_data['errors']['check_fail']); } } # Pruefung gegen frei definierbaren regulaeren Ausdruck if(isset($user_field_data['regex']) && $user_field_data['regex'] != '') { if(!preg_match($user_field_data['regex'],$user_field_content)) { show_user_error($user_field_data['errors']['match_fail']); } } # Formularfeld durch frei definierbare Funktion bearbeiten if(isset($user_field_data['prepare']) && $user_field_data['prepare'] != '') { if(function_exists($user_field_data['check'])) { $user_field_content = call_user_func($user_field_data['prepare'],$user_field_content); } } # Fertige Formulardaten wegkopieren und fuer spaeter zur Verfuegung stellen $prepared_user_fields[$user_field_data['tpl_var']] = $user_field_content; } # Captcha ueberpruefen if($captcha_enable) { $captcha_input = formdata('captcha'); $captcha_incorrect = false; if(isset($_SESSION) && isset($_SESSION['captcha'])) { if($captcha_case) { if(!$captcha_input || empty($captcha_input) || $captcha_input != $_SESSION['captcha']) $captcha_incorrect = true; } else { if(!$captcha_input || empty($captcha_input) || strtolower($captcha_input) != strtolower($_SESSION['captcha'])) $captcha_incorrect = true; } if($captcha_incorrect) { if($captcha_max) { if(isset($_SESSION['captcha_failed']) && $_SESSION['captcha_failed']) { $_SESSION['captcha_failed']++; } else { $_SESSION['captcha_failed'] = 1; } } if($captcha_max && isset($_SESSION['captcha_failed']) && $_SESSION['captcha_failed'] >= $captcha_max) { show_fatal($err_captcha_max); } else { show_user_error($err_captcha_incorrect); } } } else { show_fatal($err_captcha_session_failure); } } # Referer ueberpruefen if($check_referer) { $referer_ok = semicolon_split($referer_ok); $referer_parts = parse_url($_SERVER['HTTP_REFERER']); $referer_host = $referer_parts['host']; if(in_array($referer_host,$referer_ok) === false) show_fatal($err_referer_not_ok); } # Zeilenumbrueche in Namen und Betreff durch Leerzeichen ersetzen $name = preg_replace("/\015\012|\012|\015/",' ',$name); $subject = preg_replace("/\015\012|\012|\015/",' ',$subject); # Uhrzeit formatieren date_default_timezone_set($timezone); $time = strftime($timeformat); # Header der Mail $header = ''; if($friendly_sender) { if($friendly_sender == 2) { if(preg_match("/[\200-\377]/",$name)) { # Absendernamen mit Base64 codieren $encoded_name = base64_encode($name); $encoded_name = wordwrap($encoded_name,56,"\015\012",1); $encoded_name = "=?$charset?B?$encoded_name?="; $encoded_name = str_replace("\015\012","?=\015\012 =?$charset?B?",$encoded_name); } else { # Bestimmte Zeichen im Absendernamen codieren $encoded_name = str_replace('"','\"',$name); $encoded_name = str_replace('(','\\(',$encoded_name); $encoded_name = str_replace(')','\\)',$encoded_name); $encoded_name = '"'.$encoded_name.'"'; } $header = "From: $encoded_name <$email>\n"; } else $header = "From: $email\n"; } if($add_header) { if(!$friendly_sender) $header .= "Reply-To: $email\n"; $header .= 'Content-Type: text/plain; charset="'.$charset.'"'."\n"; $header .= 'Content-Transfer-Encoding: 8bit'."\n"; $header .= 'MIME-Version: 1.0'."\n"; $header .= 'X-Mailer: Form E-Mail 3.4.1'."\n"; $header .= 'X-Sender-IP: ['.$_SERVER['REMOTE_ADDR'].']'; } else $header .= "Reply-To: $email"; $header = preg_replace("/\015\012|\012|\015/","\n",$header); # Betreff mit Base64 codieren, wenn er Zeichen enthaelt, # die nicht aus dem ASCII-Zeichensatz stammen if(preg_match("/[\200-\377]/",$subject)) { $encoded_subject = base64_encode($subject); $encoded_subject = wordwrap($encoded_subject,56,"\015\012",1); $encoded_subject = "=?$charset?B?$encoded_subject?="; $encoded_subject = str_replace("\015\012","?=\015\012 =?$charset?B?",$encoded_subject); } else $encoded_subject = $subject; # Mailtext formatieren... $mtpl = new Template; $mtpl->read_file($tpl_mail); $mtpl->set_var('EMAIL', $email); $mtpl->set_var('NAME', $name); $mtpl->set_var('SUBJECT',$subject); $mtpl->set_var('TIME', $time); # ... Umgebungsvariablen einfuegen... if(isset($allowed_envs) && is_array($allowed_envs)) { foreach($allowed_envs as $allowed_env) { if(isset($_SERVER[$allowed_env])) { $mtpl->set_var('ENV_'.$allowed_env,$_SERVER[$allowed_env]); } else { $mtpl->set_var('ENV_'.$allowed_env,''); } } } # ... eigene Felder einfuegen while(list($tpl_var,$user_field_content) = each($prepared_user_fields)) { $mtpl->set_var($tpl_var,$user_field_content); } $mtpl->set_var('TEXT',$text); $mtpl->parse(); $mailtext = $mtpl->get_template(); if($line_break) $mailtext = wordwrap($mailtext,$line_break); $mailtext = preg_replace("/\015\012|\012|\015/","\n",$mailtext); # ... und die Mail abschicken (bei einem Fehler erscheint eine Meldung) if($recipient && is_array($aliases) && $aliases[$recipient]) { # Empfaenger mit Alias-Namen $mailto = $aliases[$recipient]; } $mailto = semicolon_split($mailto); for($x=0;$xread_file($tpl_sent); $stpl->set_var('EMAIL', plain($email)); $stpl->set_var('MAIL', plain($mailtext)); $stpl->set_var('NAME', plain($name)); $stpl->set_var('SUBJECT',plain($subject)); $stpl->set_var('TEXT', plain($text)); $stpl->set_var('TIME', plain($time)); $stpl->parse(); print $stpl->get_template(); } # ### Ende ### ?>