export.html

---
layout: inner
title: AdAway - Import and Export
---

<h1 class="center pt-2 pb-2">Import and Export hosts files easily</h1>

<textarea placeholder="Input your legacy host list" id="legacyExportTextArea"></textarea>
<button class="button-submit mb-3" onclick="convertToModern()">Convert to modern</button>

<textarea placeholder="Input your modern host list" id="modernExportTextArea"></textarea>
<button class="button-submit" onclick="convertToLegacy()">Convert to legacy</button>

<script>
	let legacyExport = document.getElementById("legacyExportTextArea");
	let modernExport = document.getElementById("modernExportTextArea");

	let redirectedPattern = /^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\s+([^\s]+)$/;

	function convertToLegacy() {
		// Parse export
		var text = modernExport.value;
		var modern = JSON.parse(text);
		// Convert blocked hosts
		var legacy = "";
		if (modern.blocked) {
			for (var blocked of modern.blocked) {
				if (blocked && blocked.host && blocked.enabled) {
					legacy += "127.0.0.1 " + blocked.host + "\n";
				}
			}
		}
		// Convert allowed hosts
		if (modern.allowed) {
			for (var allowed of modern.allowed) {
				if (allowed.host && allowed.enabled) {
					legacy += "white " + allowed.host + "\n";
				}
			}
		}
		// Convert redicted hosts
		if (modern.redirected) {
			for (var redirected of modern.redirected) {
				if (redirected.host && redirected.redirect && redirected.enabled) {
					legacy += redirected.redirect + " " + redirected.host + "\n";
				}
			}
		}
		// Display legacy export
		legacyExport.value = legacy;
	}

	function convertToModern() {
		var modern = {
			'sources': [],
			'blocked': [],
			'allowed': [],
			'redirected': []
		};
		var text = legacyExport.value;
		var lines = text.split('\n');

		for (var line of lines) {
			// Remove comments
			var commentStart = line.indexOf('#');
			if (commentStart !== -1) {
				line = line.substr(0, commentStart);
			}
			// Clean up line
			line = line.trim();
			if (line.length == 0) {
				continue;
			}
			// Test blocked hosts
			if (line.startsWith("127.0.0.1 ")) {
				modern.blocked.push({
					"host": line.substr(10),
					"enabled": true
				});
			}
			// Test allowed hosts
			else if (line.startsWith("white ")) {
				modern.allowed.push({
					"host": line.substr(6),
					"enabled": true
				});
			}
			// Test redirected domains
			else {
				var match = line.match(redirectedPattern);
				if (match.length > 5) {
					modern.redirected.push({
						"host": match[5],
						"redirect": match[1] + '.' + match[2] + '.' + match[3] + '.' + match[4],
						"enabled": true
					});
				}
			}
		}
		// Display modern export
		modernExport.value = JSON.stringify(modern, null, '  ');
	}
</script>