mirror of
https://github.com/immich-app/immich.git
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92 lines
3.2 KiB
Dart
92 lines
3.2 KiB
Dart
import 'package:immich_mobile/domain/models/store.model.dart';
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import 'package:immich_mobile/entities/store.entity.dart';
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import 'package:punycode/punycode.dart';
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String sanitizeUrl(String url) {
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// Add schema if none is set
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final urlWithSchema =
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url.trimLeft().startsWith(RegExp(r"https?://")) ? url : "https://$url";
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// Remove trailing slash(es)
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return urlWithSchema.trimRight().replaceFirst(RegExp(r"/+$"), "");
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}
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String? getServerUrl() {
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final serverUrl = punycodeDecodeUrl(Store.tryGet(StoreKey.serverEndpoint));
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final serverUri = serverUrl != null ? Uri.tryParse(serverUrl) : null;
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if (serverUri == null) {
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return null;
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}
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return Uri.decodeFull(
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serverUri.hasPort
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? "${serverUri.scheme}://${serverUri.host}:${serverUri.port}"
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: "${serverUri.scheme}://${serverUri.host}",
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);
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}
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/// Converts a Unicode URL to its ASCII-compatible encoding (Punycode).
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///
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/// This is especially useful for internationalized domain names (IDNs),
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/// where parts of the URL (typically the host) contain non-ASCII characters.
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///
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/// Example:
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/// ```dart
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/// final encodedUrl = punycodeEncodeUrl('https://bücher.de');
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/// print(encodedUrl); // Outputs: https://xn--bcher-kva.de
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/// ```
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///
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/// Notes:
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/// - If the input URL is invalid, an empty string is returned.
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/// - Only the host part of the URL is converted to Punycode; the scheme,
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/// path, and port remain unchanged.
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///
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String punycodeEncodeUrl(String serverUrl) {
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final serverUri = Uri.tryParse(serverUrl);
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if (serverUri == null || serverUri.host.isEmpty) return '';
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final encodedHost = Uri.decodeComponent(serverUri.host).split('.').map(
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(segment) {
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// If segment is already ASCII, then return as it is.
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if (segment.runes.every((c) => c < 0x80)) return segment;
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return 'xn--${punycodeEncode(segment)}';
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},
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).join('.');
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return serverUri.replace(host: encodedHost).toString();
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}
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/// Decodes an ASCII-compatible (Punycode) URL back to its original Unicode representation.
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///
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/// This method is useful for converting internationalized domain names (IDNs)
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/// that were previously encoded with Punycode back to their human-readable Unicode form.
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///
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/// Example:
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/// ```dart
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/// final decodedUrl = punycodeDecodeUrl('https://xn--bcher-kva.de');
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/// print(decodedUrl); // Outputs: https://bücher.de
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/// ```
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///
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/// Notes:
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/// - If the input URL is invalid the method returns `null`.
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/// - Only the host part of the URL is decoded. The scheme and port (if any) are preserved.
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/// - The method assumes that the input URL only contains: scheme, host, port (optional).
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/// - Query parameters, fragments, and user info are not handled (by design, as per constraints).
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///
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String? punycodeDecodeUrl(String? serverUrl) {
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final serverUri = serverUrl != null ? Uri.tryParse(serverUrl) : null;
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if (serverUri == null || serverUri.host.isEmpty) return null;
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final decodedHost = serverUri.host.split('.').map(
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(segment) {
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if (segment.toLowerCase().startsWith('xn--')) {
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return punycodeDecode(segment.substring(4));
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}
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// If segment is not punycode encoded, then return as it is.
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return segment;
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},
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).join('.');
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return Uri.decodeFull(serverUri.replace(host: decodedHost).toString());
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}
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