Add CoolApk

README.md

@@ -29,6 +29,7 @@ Currently supported App sources:
   - [Uptodown](https://uptodown.com/)
   - [Huawei AppGallery](https://appgallery.huawei.com/)
   - [Tencent App Store](https://sj.qq.com/)
+  - [CoolApk](https://coolapk.com/)
   - [RuStore](https://rustore.ru/)
   - Jenkins Jobs
   - [APKMirror](https://apkmirror.com/) (Track-Only)

assets/translations/en.json

@@ -319,6 +319,7 @@
     "stayOneVersionBehind": "Stay one version behind latest",
     "refreshBeforeDownload": "Refresh app details before download",
     "tencentAppStore": "Tencent App Store",
+    "coolApk": "CoolApk",
     "name": "Name",
     "smartname": "Name (Smart)",
     "sortMethod": "Sort Method",

assets/translations/zh.json

@@ -319,6 +319,7 @@
     "stayOneVersionBehind": "比最新版本晚一个版本",
     "refreshBeforeDownload": "下载前刷新应用程序详细信息",
     "tencentAppStore": "腾讯应用宝",
+    "coolApk": "酷安",
     "name": "名称",
     "smartname": "姓名（智能）",
     "sortMethod": "排序方法",

fastlane/metadata/android/en-US/full_description.txt

@@ -25,6 +25,7 @@
 			<li>APKMirror (Track-Only)</li>
 			<li>Huawei AppGallery</li>
 			<li>Tencent App Store</li>
+			<li>CoolApk</li>
 			<li>Jenkins Jobs</li>
 			<li>RuStore</li>
 		</ul>

fastlane/metadata/android/ru/full_description.txt

@@ -25,6 +25,7 @@
 			<li>APKMirror (Track-Only)</li>
 			<li>Huawei AppGallery</li>
 			<li>Tencent App Store</li>
+			<li>CoolApk</li>
 			<li>Jenkins Jobs</li>
 			<li>RuStore</li>
 		</ul>

lib/app_sources/coolapk.dart

@@ -0,0 +1,197 @@
+import 'dart:convert';
+import 'package:bcrypt/bcrypt.dart';
+import 'package:crypto/crypto.dart';
+import 'package:easy_localization/easy_localization.dart';
+import 'package:obtainium/custom_errors.dart';
+import 'package:obtainium/providers/source_provider.dart';
+import 'dart:math';
+
+// kanged from https://github.com/DUpdateSystem/UpgradeAll/blob/b2f92c9/core-websdk/src/main/java/net/xzos/upgradeall/core/websdk/api/client_proxy/hubs/CoolApk.kt
+class CoolApk extends AppSource {
+  CoolApk() {
+    name = tr('coolApk');
+    hosts = ['www.coolapk.com', 'api2.coolapk.com'];
+    allowSubDomains = true;
+    naiveStandardVersionDetection = true;
+  }
+
+  @override
+  String sourceSpecificStandardizeURL(String url, {bool forSelection = false}) {
+    print('Debug: Standardizing URL: $url');
+    RegExp standardUrlRegEx = RegExp(
+        r'^https?://(www\.)?coolapk\.com/apk/[^/]+',
+        caseSensitive: false);
+    var match = standardUrlRegEx.firstMatch(url);
+    if (match == null) {
+      print('Debug: Invalid URL for CoolApk: $url');
+      throw InvalidURLError(name);
+    }
+    String standardizedUrl = match.group(0)!;
+    print('Debug: Standardized URL: $standardizedUrl');
+    return standardizedUrl;
+  }
+
+  @override
+  Future<String?> tryInferringAppId(String standardUrl,
+      {Map<String, dynamic> additionalSettings = const {}}) async {
+    print('Debug: Inferring appId from URL: $standardUrl');
+    String appId = Uri.parse(standardUrl).pathSegments.last;
+    print('Debug: Inferred appId: $appId');
+    return appId;
+  }
+
+  @override
+  Future<APKDetails> getLatestAPKDetails(
+      String standardUrl,
+      Map<String, dynamic> additionalSettings,
+      ) async {
+    String appId = (await tryInferringAppId(standardUrl))!;
+    String apiUrl = 'https://api2.coolapk.com';
+    print('Debug: Fetching details for appId: $appId');
+
+    // get latest
+    var detailUrl = '$apiUrl/v6/apk/detail?id=$appId';
+    var headers = await getRequestHeaders(additionalSettings);
+    print('Debug: Requesting URL: $detailUrl with headers: $headers');
+    var res = await sourceRequest(detailUrl, additionalSettings);
+
+    print('Debug: Response status code: ${res.statusCode}');
+    if (res.statusCode != 200) {
+      print('Debug: HTTP error: ${res.statusCode} - ${res.body}');
+      throw getObtainiumHttpError(res);
+    }
+
+    var json = jsonDecode(res.body);
+    print('Debug: Parsed JSON: $json');
+    if (json['status'] == -2 || json['data'] == null) {
+      print('Debug: No releases found or invalid status: ${json['status']}');
+      throw NoReleasesError();
+    }
+
+    var detail = json['data'];
+    String version = detail['apkversionname'].toString();
+    String appName = detail['title'].toString();
+    String author = detail['developername']?.toString() ?? 'CoolApk';
+    String changelog = detail['changelog']?.toString() ?? '';
+    int? releaseDate = detail['lastupdate'] != null
+        ? (detail['lastupdate'] is int
+        ? detail['lastupdate'] * 1000
+        : int.parse(detail['lastupdate'].toString()) * 1000)
+        : null;
+    String aid = detail['id'].toString();
+
+    print('Debug: Version: $version, AppName: $appName, Author: $author, AID: $aid');
+
+    // get apk url
+    String apkUrl = await _getLatestApkUrl(apiUrl, appId, aid, version, headers);
+    if (apkUrl.isEmpty) {
+      print('Debug: No APK URL found for $appId');
+      throw NoAPKError();
+    }
+    print('Debug: APK URL: $apkUrl');
+
+    String apkName = '${appId}_$version.apk';
+
+    return APKDetails(
+      version,
+      [MapEntry(apkName, apkUrl)],
+      AppNames(author, appName),
+      releaseDate: releaseDate != null
+          ? DateTime.fromMillisecondsSinceEpoch(releaseDate)
+          : null,
+      changeLog: changelog,
+    );
+  }
+
+  Future<String> _getLatestApkUrl(String apiUrl, String appId, String aid,
+      String version, Map<String, String>? headers) async {
+    String url = '$apiUrl/v6/apk/download?pn=$appId&aid=$aid';
+    print('Debug: Fetching APK URL: $url');
+    var res = await sourceRequest(url, {}, followRedirects: false);
+    print('Debug: APK request status code: ${res.statusCode}');
+    if (res.statusCode >= 300 && res.statusCode < 400) {
+      String location = res.headers['location'] ?? '';
+      print('Debug: Redirect location: $location');
+      return location;
+    }
+    print('Debug: No redirect found for APK URL');
+    return '';
+  }
+
+  @override
+  Future<Map<String, String>?> getRequestHeaders(
+      Map<String, dynamic> additionalSettings,
+      {bool forAPKDownload = false}) async {
+    var tokenPair = _getToken();
+    print('Debug: Generated tokenPair: $tokenPair');
+    // CoolAPK header
+    return {
+      'User-Agent':
+      'Dalvik/2.1.0 (Linux; U; Android 9; MI 8 SE MIUI/9.5.9) (#Build; Xiaomi; MI 8 SE; PKQ1.181121.001; 9) +CoolMarket/12.4.2-2208241-universal',
+      'X-App-Id': 'com.coolapk.market',
+      'X-Requested-With': 'XMLHttpRequest',
+      'X-Sdk-Int': '30',
+      'X-App-Mode': 'universal',
+      'X-App-Channel': 'coolapk',
+      'X-Sdk-Locale': 'zh-CN',
+      'X-App-Version': '12.4.2',
+      'X-Api-Supported': '2208241',
+      'X-App-Code': '2208241',
+      'X-Api-Version': '12',
+      'X-App-Device': tokenPair['deviceCode']!,
+      'X-Dark-Mode': '0',
+      'X-App-Token': tokenPair['token']!,
+    };
+  }
+
+  Map<String, String> _getToken() {
+    final rand = Random();
+
+    String randHexString(int n) =>
+        List.generate(n, (_) => rand.nextInt(256).toRadixString(16).padLeft(2, '0'))
+            .join()
+            .toUpperCase();
+
+    String randMacAddress() =>
+        List.generate(6, (_) => rand.nextInt(256).toRadixString(16).padLeft(2, '0'))
+            .join(':');
+
+    // 加密算法来自 https://github.com/XiaoMengXinX/FuckCoolapkTokenV2、https://github.com/Coolapk-UWP/Coolapk-UWP
+    // device
+    String aid = randHexString(16);
+    String mac = randMacAddress();
+    const manufactor = 'Google';
+    const brand = 'Google';
+    const model = 'Pixel 5a';
+    const buildNumber = 'SQ1D.220105.007';
+
+    // generate deviceCode
+    String deviceCode =
+    base64.encode('$aid; ; ; $mac; $manufactor; $brand; $model; $buildNumber'.codeUnits);
+    print('Debug: DeviceCode: $deviceCode');
+
+    // generate timestamp
+    String timeStamp = (DateTime.now().millisecondsSinceEpoch ~/ 1000).toString();
+    String base64TimeStamp = base64.encode(timeStamp.codeUnits);
+    String md5TimeStamp = md5.convert(timeStamp.codeUnits).toString();
+    String md5DeviceCode = md5.convert(deviceCode.codeUnits).toString();
+    print('Debug: TimeStamp: $timeStamp, MD5TimeStamp: $md5TimeStamp, MD5DeviceCode: $md5DeviceCode');
+
+    // generate token
+    String token =
+        'token://com.coolapk.market/dcf01e569c1e3db93a3d0fcf191a622c?$md5TimeStamp\$$md5DeviceCode&com.coolapk.market';
+    String base64Token = base64.encode(token.codeUnits);
+    String md5Base64Token = md5.convert(base64Token.codeUnits).toString();
+    String md5Token = md5.convert(token.codeUnits).toString();
+    print('Debug: Token: $token, Base64Token: $base64Token, MD5Base64Token: $md5Base64Token');
+
+    // generate salt and hash
+    String bcryptSalt = '\$2a\$10\$${base64TimeStamp.substring(0, 14)}/${md5Token.substring(0, 6)}u';
+    String bcryptResult = BCrypt.hashpw(md5Base64Token, bcryptSalt);
+    String reBcryptResult = bcryptResult.replaceRange(0, 3, '\$2y');
+    String finalToken = 'v2${base64.encode(reBcryptResult.codeUnits)}';
+    print('Debug: BCryptSalt: $bcryptSalt, BCryptResult: $bcryptResult, FinalToken: $finalToken');
+
+    return {'deviceCode': deviceCode, 'token': finalToken};
+  }
+}

lib/providers/source_provider.dart

@@ -13,6 +13,7 @@ import 'package:obtainium/app_sources/apkmirror.dart';
 import 'package:obtainium/app_sources/apkpure.dart';
 import 'package:obtainium/app_sources/aptoide.dart';
 import 'package:obtainium/app_sources/codeberg.dart';
+import 'package:obtainium/app_sources/coolapk.dart';
 import 'package:obtainium/app_sources/directAPKLink.dart';
 import 'package:obtainium/app_sources/fdroid.dart';
 import 'package:obtainium/app_sources/fdroidrepo.dart';
@@ -894,6 +895,7 @@ class SourceProvider {
         Uptodown(),
         HuaweiAppGallery(),
         Tencent(),
+        CoolApk(),
         Jenkins(),
         APKMirror(),
         RuStore(),

pubspec.lock

@@ -124,6 +124,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.1"
+  bcrypt:
+    dependency: "direct main"
+    description:
+      name: bcrypt
+      sha256: "9dc3f234d5935a76917a6056613e1a6d9b53f7fa56f98e24cd49b8969307764b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.3"
   boolean_selector:
     dependency: transitive
     description:

pubspec.yaml

@@ -70,6 +70,7 @@ dependencies:
       url: https://github.com/AlexBacich/shared-storage
       ref: master
   crypto: ^3.0.3
+  bcrypt: ^1.1.3
   app_links: ^6.0.1
   background_fetch: ^1.2.1
   equations: ^5.0.2