Fix Uptodown - was completely broken (#1796)

lib/app_sources/uptodown.dart

@@ -10,6 +10,7 @@ class Uptodown extends AppSource {
     allowSubDomains = true;
     naiveStandardVersionDetection = true;
     showReleaseDateAsVersionToggle = true;
+    urlsAlwaysHaveExtension = true;
   }
 
   @override
@@ -39,20 +40,29 @@ class Uptodown extends AppSource {
     }
     var html = parse(res.body);
     String? version = html.querySelector('div.version')?.innerHtml;
-    String? apkUrl =
-        '${standardUrl.split('/').reversed.toList().sublist(1).reversed.join('/')}/post-download';
     String? name = html.querySelector('#detail-app-name')?.innerHtml.trim();
     String? author = html.querySelector('#author-link')?.innerHtml.trim();
     var detailElements = html.querySelectorAll('#technical-information td');
     String? appId = (detailElements.elementAtOrNull(2))?.innerHtml.trim();
     String? dateStr = (detailElements.elementAtOrNull(29))?.innerHtml.trim();
+    String? fileId =
+        html.querySelector('#detail-app-name')?.attributes['data-file-id'];
+    String? extension = html
+        .querySelectorAll('td')
+        .where((e) => e.text.toLowerCase().trim() == 'file type')
+        .firstOrNull
+        ?.nextElementSibling
+        ?.text
+        .toLowerCase()
+        .trim();
     return Map.fromEntries([
       MapEntry('version', version),
-      MapEntry('apkUrl', apkUrl),
       MapEntry('appId', appId),
       MapEntry('name', name),
       MapEntry('author', author),
-      MapEntry('dateStr', dateStr)
+      MapEntry('dateStr', dateStr),
+      MapEntry('fileId', fileId),
+      MapEntry('extension', extension)
     ]);
   }
 
@@ -64,14 +74,16 @@ class Uptodown extends AppSource {
     var appDetails =
         await getAppDetailsFromPage(standardUrl, additionalSettings);
     var version = appDetails['version'];
-    var apkUrl = appDetails['apkUrl'];
     var appId = appDetails['appId'];
+    var fileId = appDetails['fileId'];
+    var extension = appDetails['extension'];
     if (version == null) {
       throw NoVersionError();
     }
-    if (apkUrl == null) {
+    if (fileId == null) {
       throw NoAPKError();
     }
+    var apkUrl = '$standardUrl/$fileId-x';
     if (appId == null) {
       throw NoReleasesError();
     }
@@ -82,8 +94,8 @@ class Uptodown extends AppSource {
     if (dateStr != null) {
       relDate = parseDateTimeMMMddCommayyyy(dateStr);
     }
-    return APKDetails(
-        version, getApkUrlsFromUrls([apkUrl]), AppNames(author, appName),
+    return APKDetails(version, [MapEntry('$appId.$extension', apkUrl)],
+        AppNames(author, appName),
         releaseDate: relDate);
   }
 
@@ -96,7 +108,7 @@ class Uptodown extends AppSource {
     }
     var html = parse(res.body);
     var finalUrlKey =
-        html.querySelector('.post-download')?.attributes['data-url'];
+        html.querySelector('#detail-download-button')?.attributes['data-url'];
     if (finalUrlKey == null) {
       throw NoAPKError();
     }

lib/providers/apps_provider.dart

@@ -225,7 +225,9 @@ Future<File> downloadFile(String url, String fileName, bool fileNameHasExt,
       ext != 'apk') {
     ext = 'apk';
   }
-  fileName = fileName.split('/').last; // Ensure the fileName is a file name
+  fileName = fileNameHasExt
+      ? fileName
+      : fileName.split('/').last; // Ensure the fileName is a file name
   File downloadedFile = File('$destDir/$fileName.$ext');
   if (fileNameHasExt) {
     // If the user says the filename already has an ext, ignore whatever you inferred from above
@@ -447,11 +449,15 @@ class AppsProvider with ChangeNotifier {
       notificationsProvider?.cancel(notif.id);
       int? prevProg;
       var fileNameNoExt = '${app.id}-${downloadUrl.hashCode}';
+      if (source.urlsAlwaysHaveExtension) {
+        fileNameNoExt =
+            '$fileNameNoExt.${app.apkUrls[app.preferredApkIndex].key.split('.').last}';
+      }
       var headers = await source.getRequestHeaders(app.additionalSettings,
           forAPKDownload: true);
       var downloadedFile = await downloadFileWithRetry(
-          downloadUrl, fileNameNoExt, false, headers: headers,
-          (double? progress) {
+          downloadUrl, fileNameNoExt, source.urlsAlwaysHaveExtension,
+          headers: headers, (double? progress) {
         int? prog = progress?.ceil();
         if (apps[app.id] != null) {
           apps[app.id]!.downloadProgress = progress;

lib/providers/source_provider.dart

@@ -412,6 +412,7 @@ abstract class AppSource {
   bool showReleaseDateAsVersionToggle = false;
   bool versionDetectionDisallowed = false;
   List<String> excludeCommonSettingKeys = [];
+  bool urlsAlwaysHaveExtension = false;
 
   AppSource() {
     name = runtimeType.toString();