79 lines
2.5 KiB
Dart
79 lines
2.5 KiB
Dart
import 'dart:convert';
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import 'package:hiddify/domain/clash/clash.dart';
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import 'package:hiddify/utils/validators.dart';
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typedef ProfileLink = ({String url, String name});
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// TODO: test and improve
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abstract class LinkParser {
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// protocols schemas
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static const protocols = {'clash', 'clashmeta', 'sing-box', 'hiddify'};
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static const rawProtocols = {'vmess', 'vless', 'trojan', 'ss', 'tuic'};
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static ProfileLink? parse(String link) {
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return simple(link) ?? deep(link);
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}
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static ProfileLink? simple(String link) {
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if (!isUrl(link)) return null;
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final uri = Uri.parse(link.trim());
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return (
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url: uri.toString(),
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name: uri.queryParameters['name'] ?? '',
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);
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}
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static ({String content, String name})? protocol(String content) {
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final lines = safeDecodeBase64(content).split('\n');
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for (final line in lines) {
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final uri = Uri.tryParse(line);
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if (uri == null) continue;
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final fragment =
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uri.hasFragment ? Uri.decodeComponent(uri.fragment) : null;
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final name = switch (uri.scheme) {
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'ss' => fragment ?? ProxyType.shadowSocks.label,
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'vless' => fragment ?? ProxyType.vless.label,
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'tuic' => fragment ?? ProxyType.tuic.label,
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'vmess' => ProxyType.vmess.label,
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_ => null,
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};
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if (name != null) {
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return (content: content, name: name);
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}
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}
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return null;
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}
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static ProfileLink? deep(String link) {
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final uri = Uri.tryParse(link.trim());
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if (uri == null || !uri.hasScheme || !uri.hasAuthority) return null;
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final queryParams = uri.queryParameters;
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switch (uri.scheme) {
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case 'clash' || 'clashmeta' when uri.authority == 'install-config':
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if (uri.authority != 'install-config' ||
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!queryParams.containsKey('url')) return null;
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return (url: queryParams['url']!, name: queryParams['name'] ?? '');
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case 'sing-box':
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if (uri.authority != 'import-remote-profile' ||
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!queryParams.containsKey('url')) return null;
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return (url: queryParams['url']!, name: queryParams['name'] ?? '');
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case 'hiddify':
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if ((uri.authority != 'install-config' &&
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uri.authority != 'install-sub') ||
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!queryParams.containsKey('url')) return null;
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return (url: queryParams['url']!, name: queryParams['name'] ?? '');
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default:
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return null;
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}
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}
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}
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String safeDecodeBase64(String str) {
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try {
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return utf8.decode(base64Decode(str));
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} catch (e) {
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return str;
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}
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}
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