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Metrotel Viewdata Systems Limited


Metrotel Viewdata System Limited exists to provide products and services to the growing videotex market. The company was founded in October 1982 by Graham Hawker and Jim Davis on the basis of their experience with PRESTEL since it started in 1976.


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MVIEW
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MVIEW Plus
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Price List
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PVS
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Teledata 400
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Videotex User Show '88
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Information pack from Metrotel as received January 1988.

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0) { $row = mysql_fetch_assoc($result); if ($row['grace'] == 0) { $error_message.=$COM_LANG['not_allowed'] . "
"; } } if ($_REQUEST['disc_name'] == '') { $error_message.=$_REQUEST['r_disc_name'] . "
"; } if ($_REQUEST['disc_body'] == '') { $error_message.=$_REQUEST['r_disc_body'] . "
"; } if ($_REQUEST['disc_email'] != '') { if (!smcom_is_email($_REQUEST['disc_email'])) { $error_message.="Invalid email address" . "
"; } } return $error_message; } function smcom_flood_protection($INPUT) { global $comments_db_link, $COM_CONF, $COM_LANG; $result = mysql_query("select time from {$COM_CONF['dbmaintable']} where ip='{$_SERVER['REMOTE_ADDR']}' AND (UNIX_TIMESTAMP( NOW( ) ) - UNIX_TIMESTAMP( time )) < {$COM_CONF['anti_flood_pause']}", $comments_db_link); if (mysql_num_rows($result)>0) { $error_message="Flood detected"; return $error_message; } $result = mysql_query("select ID from {$COM_CONF['dbmaintable']} where text='{$INPUT['disc_body']}' AND author='{$INPUT['disc_name']}' AND href='{$INPUT['href']}'", $comments_db_link); if (mysql_num_rows($result)>0) { $error_message="Flood detected"; return $error_message; } return ""; } function smcom_spam_check($email, $name, $url, $text, $path_to_page, $ip) { global $COM_CONF, $comments_db_link; if (strlen($text) < 10) return 1; // ROB 2013-02-27 lots of 2 character spam $try = 0; while (!$valid && $try <= 3) { // Initialize and verify API key $akismet = new Akismet($COM_CONF['site_url'], $COM_CONF['akismet_apikey']); $result = $akismet->isKeyValid(); // Possible values: 'valid', 'invalid', 'no connect' if ($result != 'valid') { if (($result == 'invalid')) { // Invalid key return 2; } else { // Could not connect to the Akismet server $try++; } } else { $valid = 1; } } if (!$valid) { return 3; // Could not connect to the Akismet server } // Pass comment info to the class $akismet->setCommentAuthorEmail($email); $akismet->setCommentAuthor($name); $akismet->setCommentAuthorURL($url); $akismet->setCommentContent($text); $akismet->setUserIP($ip); $akismet->setPermalink($COM_CONF['site_url'] . $path_to_page); $akismet->setCommentType('Comment'); $try = 0; while ($try <= 3) { // Check the comment for spam $result = $akismet->isCommentSpam(); // Possible values: 'false' (not spam), 'true' (spam), 'no connect' if ($result != 'false') { if ($result == 'true') { // The comment is spam return 1; } else { // Could not connect to the Akismet server $try++; } } else { return 0; } } return 3; // Could not connect to the Akismet server } function smcom_add() { global $comments_db_link, $COM_CONF, $COM_LANG; foreach ($_REQUEST as $key => $value) { if ($key == 'disc_body') { $comment_text=stripslashes($value); } $_REQUEST[$key] = str_replace('<', '<', $_REQUEST[$key]); $_REQUEST[$key] = str_replace('>', '>', $_REQUEST[$key]); if (get_magic_quotes_gpc()) { $_REQUEST[$key] = stripslashes($_REQUEST[$key]); } $_REQUEST[$key] = mysql_escape_string($_REQUEST[$key]); } $_REQUEST['href'] = str_replace('%2F', '/', $_REQUEST['href']); $_REQUEST['href'] = str_replace('%3F', '?', $_REQUEST['href']); $_REQUEST['href'] = str_replace('%26', '&', $_REQUEST['href']); $_REQUEST['href'] = str_replace('%3D', '=', $_REQUEST['href']); if ($_REQUEST['dont_show_email'] != '') { $dont_show="1"; } else { $dont_show="0"; } $error_message = smcom_check_for_errors(); $error_message .= smcom_flood_protection($_REQUEST); if ($COM_CONF['ckeck_for_spam']) { if (!$error_message) { $spam_check_result = smcom_spam_check($_REQUEST['disc_email'], $_REQUEST['disc_name'], "", $comment_text, $_REQUEST['href'], ""); if ($spam_check_result == 1) { $error_message .= "
Your comment suspected as spam."; mysql_query("INSERT INTO {$COM_CONF['dbjunktable']} VALUES (NULL, NOW(), '{$_REQUEST['href']}', '{$_REQUEST['disc_body']}', '{$_REQUEST['disc_name']}', '{$_REQUEST['disc_email']}', '$dont_show', '{$_SERVER['REMOTE_ADDR']}')", $comments_db_link); if ($COM_CONF['autoban']) { $ip = mysql_escape_string($_SERVER['REMOTE_ADDR']); $result = mysql_query("SELECT ip,grace FROM {$COM_CONF['dbbannedipstable']} WHERE ip='$ip'", $comments_db_link); if (mysql_num_rows($result)>0) { $row = mysql_fetch_assoc($result); $grace = $row['grace'] - 1; if ($grace < 0) { $grace = 0; } $result = mysql_query("UPDATE {$COM_CONF['dbbannedipstable']} SET grace='$grace' WHERE ip='$ip'", $comments_db_link); $error_message .= "
You will not be allowed to post any more comments. If you suspect an error, please contact the website administrator."; } else { $result = mysql_query("INSERT INTO {$COM_CONF['dbbannedipstable']} (ID,ip,grace) VALUES (NULL,'$ip','{$COM_CONF['bangrace']}')", $comments_db_link); } } } if ($spam_check_result == 2) { $error_message .= "
Invalid WordPress API key"; } if ($spam_check_result == 3) { $error_message .= "
Could not connect to the Akismet server"; } } } if ($error_message) { print "The following errors occured:
$error_message

Please get back and try again."; return 0; } mysql_query("INSERT INTO {$COM_CONF['dbmaintable']} VALUES (NULL, NOW(), '{$_REQUEST['href']}', '{$_REQUEST['disc_body']}', '{$_REQUEST['disc_name']}', '{$_REQUEST['disc_email']}', '$dont_show', '{$_SERVER['REMOTE_ADDR']}')", $comments_db_link); if ($_REQUEST['email_me'] != '' && $_REQUEST['disc_email'] != '') { $result = mysql_query("select COUNT(*) from {$COM_CONF['dbemailstable']} where href='{$_REQUEST['href']}' AND email='{$_REQUEST['disc_email']}'", $comments_db_link); list ($count) = mysql_fetch_row($result); if ($count == 0) { $hash=md5($email . $COM_CONF['copy_random_seed']); mysql_query("INSERT INTO {$COM_CONF['dbemailstable']} VALUES (NULL, '{$_REQUEST['disc_email']}', '{$_REQUEST['href']}', '$hash')", $comments_db_link); } } if ($COM_CONF['email_admin']) { smcom_notify_admin($_REQUEST['href'], $_REQUEST['disc_name'], $_REQUEST['disc_email'], $comment_text, "{$_SERVER['REMOTE_ADDR']}, {$_SERVER['HTTP_USER_AGENT']}"); } smcom_notify_users($_REQUEST['href'], $_REQUEST['disc_name'], $_REQUEST['disc_email']); header("HTTP/1.1 302"); header("Location: {$COM_CONF['site_url']}{$_REQUEST['href']}"); print "Click here to get back."; } function smcom_notify_admin($href, $name, $email, $text, $ip) { global $comments_db_link, $COM_CONF, $COM_LANG; $headers = "From: Comments <{$COM_CONF['email_from']}>\r\n"; $text_of_message=" {$COM_LANG['email_new_comment']} {$COM_CONF['site_url']}$href {$COM_LANG['email_from']}: $name <$email> $text $ip "; mail($COM_CONF['email_admin'], "{$COM_LANG['email_new_comment']} $href", $text_of_message, $headers); } function smcom_notify_users($href, $name, $email_from) { global $comments_db_link, $COM_CONF, $COM_LANG; $headers = "From: Comments <{$COM_CONF['email_from']}>\n"; $result=mysql_query("select email, hash from {$COM_CONF['dbemailstable']} where href='$href'", $comments_db_link); while (list($email, $hash) = mysql_fetch_row($result)) { if ($email != $email_from) { $text_of_message=" {$COM_LANG['email_new_comment']} {$COM_CONF['site_url']}$href {$COM_LANG['email_from']}: $name {$COM_LANG['email_to_unsubscribe']} {$COM_CONF['site_url']}{$COM_CONF['script_url']}?action=unsub&page=$href&id=$hash "; mail($email, "{$COM_LANG['email_new_comment']} $href",$text_of_message, $headers); } } } function smcom_unsub() { global $comments_db_link, $COM_CONF, $COM_LANG; $id=mysql_escape_string($_REQUEST['id']); $href=mysql_escape_string($_REQUEST['page']); mysql_query("delete from {$COM_CONF['dbemailstable']} where href='$href' AND hash='$id'", $comments_db_link); if (mysql_affected_rows() > 0) { print "{$COM_LANG['unsubscribed']}"; } else { print "{$COM_LANG['not_unsubscribed']}"; } } function smcom_view() { global $comments_db_link, $COM_CONF, $COM_LANG; $request_uri = mysql_escape_string($_SERVER['REQUEST_URI']); $result = mysql_query("select time, text, author, email, dont_show_email from {$COM_CONF['dbmaintable']} where href='$request_uri' order by time {$COM_CONF['sort_order']}", $comments_db_link); $comments_count=0; $time=$text=$author=$email=$dont_show_email=array(); while (list($time[$comments_count], $text[$comments_count], $author[$comments_count], $email[$comments_count], $dont_show_email[$comments_count])=mysql_fetch_array($result)) { $text[$comments_count] = wordwrap($text[$comments_count], 75, "\n", 1); $time[$comments_count] = smcom_format_date($time[$comments_count]); $comments_count++; } require("{$COM_CONF['full_path']}/templates/{$COM_CONF['template']}.php"); } function smcom_format_date($date) { global $COM_LANG; $year = substr($date, 0, 4); $month = intval(substr($date, 5, 2)) - 1; $day = substr($date, 8, 2); $hour = substr($date, 11, 2); $min = substr($date, 14, 2); return "$day {$COM_LANG['months'][$month]} $year, $hour:$min"; } function smcom_is_email($Addr) { $p = '/^}~+(\.}~+)*'; $p.= '@([-a-z0-9]+\.)+([a-z]{2,3}'; $p.= '|info|arpa|aero|coop|name|museum)$/ix'; return preg_match($p, $Addr); } ?>