Repo created

lib/app_sources/huaweiappgallery.dart

@@ -0,0 +1,113 @@
+import 'package:easy_localization/easy_localization.dart';
+import 'package:http/http.dart';
+import 'package:obtainium/custom_errors.dart';
+import 'package:obtainium/providers/source_provider.dart';
+
+class HuaweiAppGallery extends AppSource {
+  HuaweiAppGallery() {
+    name = 'Huawei AppGallery';
+    hosts = ['appgallery.huawei.com', 'appgallery.cloud.huawei.com'];
+    versionDetectionDisallowed = true;
+    showReleaseDateAsVersionToggle = true;
+  }
+
+  @override
+  String sourceSpecificStandardizeURL(String url, {bool forSelection = false}) {
+    RegExp standardUrlRegEx = RegExp(
+      '^https?://(www\\.)?${getSourceRegex(hosts)}(/#)?/(app|appdl)/[^/]+',
+      caseSensitive: false,
+    );
+    RegExpMatch? match = standardUrlRegEx.firstMatch(url);
+    if (match == null) {
+      throw InvalidURLError(name);
+    }
+    return match.group(0)!;
+  }
+
+  String getDlUrl(String standardUrl) =>
+      'https://${hosts[0].replaceAll('appgallery.huawei', 'appgallery.cloud.huawei')}/appdl/${standardUrl.split('/').last}';
+
+  Future<Response> requestAppdlRedirect(
+    String dlUrl,
+    Map<String, dynamic> additionalSettings,
+  ) async {
+    Response res = await sourceRequest(
+      dlUrl,
+      additionalSettings,
+      followRedirects: false,
+    );
+    if (res.statusCode == 200 ||
+        res.statusCode == 302 ||
+        res.statusCode == 304) {
+      return res;
+    } else {
+      throw getObtainiumHttpError(res);
+    }
+  }
+
+  String appIdFromRedirectDlUrl(String redirectDlUrl) {
+    var parts = redirectDlUrl
+        .split('?')[0]
+        .split('/')
+        .last
+        .split('.')
+        .reversed
+        .toList();
+    parts.removeAt(0);
+    parts.removeAt(0);
+    return parts.reversed.join('.');
+  }
+
+  @override
+  Future<String?> tryInferringAppId(
+    String standardUrl, {
+    Map<String, dynamic> additionalSettings = const {},
+  }) async {
+    String dlUrl = getDlUrl(standardUrl);
+    Response res = await requestAppdlRedirect(dlUrl, additionalSettings);
+    return res.headers['location'] != null
+        ? appIdFromRedirectDlUrl(res.headers['location']!)
+        : null;
+  }
+
+  @override
+  Future<APKDetails> getLatestAPKDetails(
+    String standardUrl,
+    Map<String, dynamic> additionalSettings,
+  ) async {
+    String dlUrl = getDlUrl(standardUrl);
+    Response res = await requestAppdlRedirect(dlUrl, additionalSettings);
+    if (res.headers['location'] == null) {
+      throw NoReleasesError();
+    }
+    String appId = appIdFromRedirectDlUrl(res.headers['location']!);
+    if (appId.isEmpty) {
+      throw NoReleasesError();
+    }
+    var relDateStr = res.headers['location']
+        ?.split('?')[0]
+        .split('.')
+        .reversed
+        .toList()[1];
+    if (relDateStr == null || relDateStr.length != 10) {
+      throw NoVersionError();
+    }
+    var relDateStrAdj = relDateStr.split('');
+    var tempLen = relDateStrAdj.length;
+    var i = 2;
+    while (i < tempLen) {
+      relDateStrAdj.insert((i + i ~/ 2 - 1), '-');
+      i += 2;
+    }
+    var relDate = DateFormat(
+      'yy-MM-dd-HH-mm',
+      'en_US',
+    ).parse(relDateStrAdj.join(''));
+    return APKDetails(
+      relDateStr,
+      [MapEntry('$appId.apk', dlUrl)],
+      AppNames(name, appId),
+      releaseDate: relDate,
+    );
+  }
+}