Repo created

lib/app_sources/uptodown.dart

@@ -0,0 +1,145 @@
+import 'package:easy_localization/easy_localization.dart';
+import 'package:html/parser.dart';
+import 'package:obtainium/custom_errors.dart';
+import 'package:obtainium/providers/source_provider.dart';
+
+DateTime? parseDateTimeMMMddCommayyyy(String? dateString) {
+  DateTime? releaseDate;
+  try {
+    releaseDate = dateString != null
+        ? DateFormat('MMM dd, yyyy').parse(dateString)
+        : null;
+    releaseDate = dateString != null && releaseDate == null
+        ? DateFormat('MMMM dd, yyyy').parse(dateString)
+        : releaseDate;
+  } catch (err) {
+    // ignore
+  }
+  return releaseDate;
+}
+
+class Uptodown extends AppSource {
+  Uptodown() {
+    hosts = ['uptodown.com'];
+    allowSubDomains = true;
+    naiveStandardVersionDetection = true;
+    showReleaseDateAsVersionToggle = true;
+    urlsAlwaysHaveExtension = true;
+  }
+
+  @override
+  String sourceSpecificStandardizeURL(String url, {bool forSelection = false}) {
+    RegExp standardUrlRegEx = RegExp(
+      '^https?://([^\\.]+\\.){2,}${getSourceRegex(hosts)}',
+      caseSensitive: false,
+    );
+    RegExpMatch? match = standardUrlRegEx.firstMatch(url);
+    if (match == null) {
+      throw InvalidURLError(name);
+    }
+    return '${match.group(0)!}/android/download';
+  }
+
+  @override
+  Future<String?> tryInferringAppId(
+    String standardUrl, {
+    Map<String, dynamic> additionalSettings = const {},
+  }) async {
+    return (await getAppDetailsFromPage(
+      standardUrl,
+      additionalSettings,
+    ))['appId'];
+  }
+
+  Future<Map<String, String?>> getAppDetailsFromPage(
+    String standardUrl,
+    Map<String, dynamic> additionalSettings,
+  ) async {
+    var res = await sourceRequest(standardUrl, additionalSettings);
+    if (res.statusCode != 200) {
+      throw getObtainiumHttpError(res);
+    }
+    var html = parse(res.body);
+    String? version = html.querySelector('div.version')?.innerHtml;
+    String? name = html.querySelector('#detail-app-name')?.innerHtml.trim();
+    String? author = html.querySelector('#author-link')?.innerHtml.trim();
+    var detailElements = html
+        .querySelectorAll('#technical-information td')
+        .map((e) => e.innerHtml.trim())
+        .where((e) => !e.startsWith('<'))
+        .toList();
+    String? appId = detailElements.elementAtOrNull(0);
+    String? dateStr = detailElements.elementAtOrNull(6);
+    String? fileId = html
+        .querySelector('#detail-app-name')
+        ?.attributes['data-file-id'];
+    String? extension = detailElements.elementAtOrNull(7)?.toLowerCase();
+    return Map.fromEntries([
+      MapEntry('version', version),
+      MapEntry('appId', appId),
+      MapEntry('name', name),
+      MapEntry('author', author),
+      MapEntry('dateStr', dateStr),
+      MapEntry('fileId', fileId),
+      MapEntry('extension', extension),
+    ]);
+  }
+
+  @override
+  Future<APKDetails> getLatestAPKDetails(
+    String standardUrl,
+    Map<String, dynamic> additionalSettings,
+  ) async {
+    var appDetails = await getAppDetailsFromPage(
+      standardUrl,
+      additionalSettings,
+    );
+    var version = appDetails['version'];
+    var appId = appDetails['appId'];
+    var fileId = appDetails['fileId'];
+    var extension = appDetails['extension'];
+    if (version == null) {
+      throw NoVersionError();
+    }
+    if (fileId == null) {
+      throw NoAPKError();
+    }
+    var apkUrl = '$standardUrl/$fileId-x';
+    if (appId == null) {
+      throw NoReleasesError();
+    }
+    String appName = appDetails['name'] ?? tr('app');
+    String author = appDetails['author'] ?? name;
+    String? dateStr = appDetails['dateStr'];
+    DateTime? relDate;
+    if (dateStr != null) {
+      relDate = parseDateTimeMMMddCommayyyy(dateStr);
+    }
+    return APKDetails(
+      version,
+      [MapEntry('$appId.$extension', apkUrl)],
+      AppNames(author, appName),
+      releaseDate: relDate,
+    );
+  }
+
+  @override
+  Future<String> assetUrlPrefetchModifier(
+    String assetUrl,
+    String standardUrl,
+    Map<String, dynamic> additionalSettings,
+  ) async {
+    var res = await sourceRequest(assetUrl, additionalSettings);
+    if (res.statusCode != 200) {
+      throw getObtainiumHttpError(res);
+    }
+    var html = parse(res.body);
+    var finalUrlKey = html
+        .querySelector('#detail-download-button')
+        ?.attributes['data-url'];
+    if (finalUrlKey == null) {
+      throw NoAPKError();
+    }
+    return 'https://dw.${hosts[0]}/dwn/$finalUrlKey';
+  }
+}