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225 lines
6.8 KiB
225 lines
6.8 KiB
<?php
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/* Detailed Pi-hole Block Page: Show "Website Blocked" if user browses to site, but not to image/file requests based on the work of WaLLy3K for DietPi & Pi-Hole */
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function validIP($address){
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if (preg_match('/[.:0]/', $address) && !preg_match('/[1-9a-f]/', $address)) {
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// Test if address contains either `:` or `0` but not 1-9 or a-f
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return false;
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}
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return !filter_var($address, FILTER_VALIDATE_IP) === false;
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}
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$uri = escapeshellcmd($_SERVER['REQUEST_URI']);
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$serverName = escapeshellcmd($_SERVER['SERVER_NAME']);
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// If the server name is 'pi.hole', it's likely a user trying to get to the admin panel.
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// Let's be nice and redirect them.
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if ($serverName === 'pi.hole')
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{
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header('HTTP/1.1 301 Moved Permanently');
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header("Location: /admin/");
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}
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// Retrieve server URI extension (EG: jpg, exe, php)
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ini_set('pcre.recursion_limit',100);
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$uriExt = pathinfo($uri, PATHINFO_EXTENSION);
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// Define which URL extensions get rendered as "Website Blocked"
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$webExt = array('asp', 'htm', 'html', 'php', 'rss', 'xml');
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// Get IPv4 and IPv6 addresses from setupVars.conf (if available)
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$setupVars = parse_ini_file("/etc/pihole/setupVars.conf");
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$ipv4 = isset($setupVars["IPV4_ADDRESS"]) ? explode("/", $setupVars["IPV4_ADDRESS"])[0] : $_SERVER['SERVER_ADDR'];
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$ipv6 = isset($setupVars["IPV6_ADDRESS"]) ? explode("/", $setupVars["IPV6_ADDRESS"])[0] : $_SERVER['SERVER_ADDR'];
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$AUTHORIZED_HOSTNAMES = array(
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$ipv4,
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$ipv6,
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str_replace(array("[","]"), array("",""), $_SERVER["SERVER_ADDR"]),
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"pi.hole",
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"localhost");
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// Allow user set virtual hostnames
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$virtual_host = getenv('VIRTUAL_HOST');
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if (!empty($virtual_host))
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array_push($AUTHORIZED_HOSTNAMES, $virtual_host);
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// Immediately quit since we didn't block this page (the IP address or pi.hole is explicitly requested)
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if(validIP($serverName) || in_array($serverName,$AUTHORIZED_HOSTNAMES))
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{
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http_response_code(404);
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die();
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}
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if(in_array($uriExt, $webExt) || empty($uriExt))
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{
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// Requested resource has an extension listed in $webExt
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// or no extension (index access to some folder incl. the root dir)
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$showPage = true;
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}
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else
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{
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// Something else
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$showPage = false;
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}
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// Handle incoming URI types
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if (!$showPage)
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{
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?>
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<html>
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<head>
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<script>window.close();</script></head>
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<body>
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<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7">
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</body>
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</html>
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<?php
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die();
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}
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// Get Pi-hole version
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$piHoleVersion = exec('cd /etc/.pihole/ && git describe --tags --abbrev=0');
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// Don't show the URI if it is the root directory
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if($uri == "/")
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{
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$uri = "";
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}
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?>
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset='UTF-8'/>
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<title>Website Blocked</title>
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<link rel='stylesheet' href='http://pi.hole/pihole/blockingpage.css'/>
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<link rel='shortcut icon' href='http://pi.hole/admin/img/favicon.png' type='image/png'/>
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<meta name='viewport' content='width=device-width,initial-scale=1.0,maximum-scale=1.0, user-scalable=no'/>
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<meta name='robots' content='noindex,nofollow'/>
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</head>
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<body id="body">
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<header>
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<h1><a href='/'>Website Blocked</a></h1>
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</header>
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<main>
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<div>Access to the following site has been blocked:<br/>
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<span class='pre msg'><?php echo $serverName.$uri; ?></span></div>
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<div>If you have an ongoing use for this website, please ask the owner of the Pi-hole in your network to have it whitelisted.</div>
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<input id="domain" type="hidden" value="<?php echo $serverName; ?>">
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<input id="quiet" type="hidden" value="yes">
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<button id="btnSearch" class="buttons blocked" type="button" style="visibility: hidden;"></button>
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This page is blocked because it is explicitly contained within the following block list(s):
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<pre id="output" style="width: 100%; height: 100%;" hidden="true"></pre><br/>
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<div class='buttons blocked'>
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<a class='safe33' href='javascript:history.back()'>Go back</a>
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<a class='safe33' id="whitelisting">Whitelist this page</a>
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<a class='safe33' href='javascript:window.close()'>Close window</a>
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</div>
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<div style="width: 98%; text-align: center; padding: 10px;" hidden="true" id="whitelistingform">
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<p>Note that whitelisting domains which are blocked using the wildcard method won't work.</p>
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<p>Password required!</p><br/>
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<form>
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<input name="list" type="hidden" value="white"><br/>
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Domain:<br/>
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<input name="domain" value="<?php echo $serverName ?>" disabled><br/><br/>
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Password:<br/>
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<input type="password" id="pw" name="pw"><br/><br/>
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<button class="buttons33 safe" id="btnAdd" type="button">Whitelist</button>
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</form><br/>
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<pre id="whitelistingoutput" style="width: 100%; height: 100%; padding: 5px;" hidden="true"></pre><br/>
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</div>
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</main>
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<footer>Generated <?php echo date('D g:i A, M d'); ?> by Pi-hole <?php echo $piHoleVersion; ?></footer>
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<script src="http://pi.hole/admin/scripts/vendor/jquery.min.js"></script>
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<script>
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// Create event for when the output is appended to
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(function($) {
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var origAppend = $.fn.append;
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$.fn.append = function () {
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return origAppend.apply(this, arguments).trigger("append");
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};
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})(jQuery);
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</script>
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<script src="http://pi.hole/admin/scripts/pi-hole/js/queryads.js"></script>
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<script>
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function inIframe () {
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try {
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return window.self !== window.top;
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} catch (e) {
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return true;
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}
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}
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// Try to detect if page is loaded within iframe
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if(inIframe())
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{
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// Within iframe
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// hide content of page
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$('#body').hide();
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// remove background
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document.body.style.backgroundImage = "none";
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}
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else
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{
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// Query adlists
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$( "#btnSearch" ).click();
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}
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$( "#whitelisting" ).on( "click", function(){ $( "#whitelistingform" ).removeAttr( "hidden" ); });
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// Remove whitelist functionality if the domain was blocked because of a wildcard
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$( "#output" ).bind("append", function(){
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if($( "#output" ).contents()[0].data.indexOf("Wildcard blocking") !== -1)
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{
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$( "#whitelisting" ).hide();
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$( "#whitelistingform" ).hide();
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}
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});
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function add() {
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var domain = $("#domain");
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var pw = $("#pw");
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if(domain.val().length === 0){
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return;
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}
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$.ajax({
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url: "/admin/scripts/pi-hole/php/add.php",
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method: "post",
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data: {"domain":domain.val(), "list":"white", "pw":pw.val()},
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success: function(response) {
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$( "#whitelistingoutput" ).removeAttr( "hidden" );
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if(response.indexOf("Pi-hole blocking") !== -1)
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{
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// Reload page after 5 seconds
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setTimeout(function(){window.location.reload(1);}, 5000);
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$( "#whitelistingoutput" ).html("---> Success <---<br/>You may have to flush your DNS cache");
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}
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else
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{
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$( "#whitelistingoutput" ).html("---> "+response+" <---");
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}
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},
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error: function(jqXHR, exception) {
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$( "#whitelistingoutput" ).removeAttr( "hidden" );
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$( "#whitelistingoutput" ).html("---> Unknown Error <---");
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}
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});
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}
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// Handle enter button for adding domains
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$(document).keypress(function(e) {
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if(e.which === 13 && $("#pw").is(":focus")) {
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add();
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}
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});
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// Handle buttons
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$("#btnAdd").on("click", function() {
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add();
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});
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</script>
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</body>
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</html>
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