Pi-hole Teleporter

scripts/pi-hole/php/teleporter.php

@@ -0,0 +1,148 @@
+<?php
+require('func.php');
+function process_zip($name)
+{
+	global $zip;
+	$zippointer = $zip->getStream($name);
+	if(!$zippointer)
+	{
+		echo "$name not found in provided ZIP file, skipping...<br>";
+		return;
+	}
+	$contents = "";
+	while (!feof($zippointer)) {
+		$contents .= fread($zippointer, 4096);
+	}
+	fclose($zippointer);
+	$domains = array_filter(explode("\n",$contents));
+	check_domains($domains);
+	return $domains;
+}
+
+function add_to_zip($path,$name)
+{
+	global $zip;
+	if(file_exists($path.$name))
+		$zip->addFile($path.$name,$name);
+}
+
+function check_domains($domains)
+{
+	foreach($domains as $domain)
+	{
+		if(!is_valid_domain_name($domain)){
+			die(htmlspecialchars($domain).' is not a valid domain');
+		}
+	}
+}
+
+function getWildcardListContent() {
+	if(file_exists("/etc/dnsmasq.d/03-pihole-wildcard.conf"))
+	{
+		$rawList = file_get_contents("/etc/dnsmasq.d/03-pihole-wildcard.conf");
+		$wclist = explode("\n", $rawList);
+		$list = [];
+
+		foreach ($wclist as $entry) {
+			$expl = explode("/", $entry);
+			if(count($expl) == 3)
+			{
+				array_push($list,$expl[1]);
+			}
+		}
+
+		return implode("\n",array_unique($list));
+	}
+
+	return "";
+}
+
+if($_POST["action"] == "in")
+{
+	if($_FILES["zip_file"]["name"])
+	{
+		$filename = $_FILES["zip_file"]["name"];
+		$source = $_FILES["zip_file"]["tmp_name"];
+		$type = $_FILES["zip_file"]["type"];
+
+		$name = explode(".", $filename);
+		$accepted_types = array('application/zip', 'application/x-zip-compressed', 'multipart/x-zip', 'application/x-compressed');
+		$okay = false;
+		foreach($accepted_types as $mime_type) {
+			if($mime_type == $type) {
+				$okay = true;
+				break;
+			}
+		}
+
+		$continue = strtolower($name[1]) == 'zip' ? true : false;
+		if(!$continue || !$okay) {
+			die("The file you are trying to upload is not a .zip file. Please try again.");
+		}
+
+		$zip = new ZipArchive();
+		$x = $zip->open($source);
+		if ($x === true) {
+			if(isset($_POST["blacklist"]))
+			{
+				$blacklist = process_zip("blacklist.txt");
+				exec("sudo pihole -b -q ".implode(" ", $blacklist));
+			}
+
+			if(isset($_POST["whitelist"]))
+			{
+				$whitelist = process_zip("whitelist.txt");
+				exec("sudo pihole -w -q ".implode(" ", $whitelist));
+			}
+
+			if(isset($_POST["wildlist"]))
+			{
+				$wildlist = process_zip("wildcardblocking.txt");
+				exec("sudo pihole -wild -q ".implode(" ", $wildlist));
+			}
+
+			echo "OK";
+
+			$zip->close();
+		}
+		else
+		{
+			die("Error opening uploaded archive!");
+		}
+	}
+	else
+	{
+		die("No file transmitted.");
+	}
+}
+else
+{
+	$archive_file_name = "/var/www/html/pi-hole-teleporter_".microtime(true).".zip";
+	$zip = new ZipArchive();
+	touch($archive_file_name);
+	$res = $zip->open($archive_file_name, ZipArchive::CREATE | ZipArchive::OVERWRITE);
+
+	if ($res !== TRUE) {
+		exit("cannot open/create $archive_file_name<br>Error: ".$zip->getStatusString()."<br>PHP user: ".exec('whoami')."\n");
+	}
+
+	add_to_zip("/etc/pihole/","whitelist.txt");
+	add_to_zip("/etc/pihole/","blacklist.txt");
+	add_to_zip("/etc/pihole/","adlists.list");
+	add_to_zip("/etc/pihole/","setupVars.conf");
+
+	$zip->addFromString("wildcardblocking.txt", getWildcardListContent());
+	$zip->close();
+
+	header("Content-type: application/zip");
+	header('Content-Transfer-Encoding: binary');
+	header("Content-Disposition: attachment; filename=pi-hole-teleporter.zip");
+	header("Content-length: " . filesize($archive_file_name));
+	header("Pragma: no-cache");
+	header("Expires: 0");
+	ob_end_clean();
+	readfile($archive_file_name);
+	exit;
+}
+
+?>

settings.php

@@ -752,6 +752,47 @@ function convertseconds($argument) {
 				</form>
 			</div>
 		</div>
+		<div class="box box-danger collapsed-box">
+			<div class="box-header with-border">
+				<h3 class="box-title">Pi-hole Teleporter</h3>
+				<div class="box-tools pull-right"><button type="button" class="btn btn-box-tool" data-widget="collapse"><i class="fa fa-plus"></i></button></div>
+			</div>
+			<div class="box-body">
+			<?php if (extension_loaded('zip')) { ?>
+				<form role="form" method="post" id="takeoutform" action="scripts/pi-hole/php/teleporter.php" target="_blank"  enctype="multipart/form-data">
+					<div class="col-lg-12">
+						<p>Export your Pi-hole lists as downloadable ZIP file</p>
+						<button type="submit" class="btn btn-default" name="action" value="out">Export</button>
+					<hr>
+					</div>
+					<div class="col-lg-6">
+					<label>Import ...</label>
+						<div class="form-group">
+							<div class="checkbox">
+							<label><input type="checkbox" name="whitelist" value="true" checked> Whitelist</label>
+							</div>
+							<div class="checkbox">
+							<label><input type="checkbox" name="blacklist" value="true" checked> Blacklist (exact)</label>
+							</div>
+							<div class="checkbox">
+							<label><input type="checkbox" name="wildlist" value="true" checked> Blacklist (wildcard)</label>
+							</div>
+						</div>
+					</div>
+					<div class="col-lg-6">
+						<div class="form-group">
+							<label for="zip_file">File input</label>
+							<input type="file" name="zip_file" id="zip_file">
+							<p class="help-block">Upload only Pi-hole backup files.</p>
+							<button type="submit" class="btn btn-default" name="action" value="in">Import</button>
+						</div>
+					</div>
+				</form>
+			<?php } else { ?>
+				<p>The PHP extension <tt>zip</tt> is not loaded. Please ensure it is installed and loaded if you want to use the Pi-hole teleporter.</p>
+			<?php } ?>
+			</div>
+		</div>
 	</div>
 </div>