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Merge pull request #77 from humhub/55-test-unreachable-humhub
Fix Unreachable HumHub
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| import 'package:flutter/cupertino.dart'; | ||
| import 'package:flutter_riverpod/flutter_riverpod.dart'; | ||
| import 'package:http/http.dart'; | ||
| import 'package:humhub/models/hum_hub.dart'; | ||
| import 'package:humhub/models/manifest.dart'; | ||
| import 'package:humhub/util/providers.dart'; | ||
| import 'package:http/http.dart' as http; | ||
| import 'api_provider.dart'; | ||
| import 'form_helper.dart'; | ||
| import 'dart:developer'; | ||
|
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| class OpenerController { | ||
| late AsyncValue<Manifest>? asyncData; | ||
| bool doesViewExist = false; | ||
| final helper = FormHelper(); | ||
| TextEditingController urlTextController = TextEditingController(); | ||
| late String? postcodeErrorMessage; | ||
| final String formUrlKey = "redirect_url"; | ||
| final String error404 = "404"; | ||
| final WidgetRef ref; | ||
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| OpenerController({required this.ref}); | ||
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| findManifest(String url) async { | ||
| Uri uri = assumeUrl(url); | ||
| for (var i = uri.pathSegments.length - 1; i >= 0; i--) { | ||
| String urlIn = "${uri.origin}/${uri.pathSegments.getRange(0, i).join('/')}"; | ||
| asyncData = await APIProvider.of(ref).request(Manifest.get(i != 0 ? urlIn : uri.origin)); | ||
| if (!asyncData!.hasError) break; | ||
| } | ||
| if (uri.pathSegments.isEmpty) { | ||
| asyncData = await APIProvider.of(ref).request(Manifest.get(uri.origin)); | ||
| } | ||
| checkHumHubModuleView(uri); | ||
| } | ||
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| checkHumHubModuleView(Uri uri) async { | ||
| Response? response; | ||
| response = await http.Client().get(uri).catchError((err) {return Response("Found manifest but not humhub.modules.ui.view tag", 404);}); | ||
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| doesViewExist = response.statusCode == 200 && response.body.contains('humhub.modules.ui.view'); | ||
| } | ||
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| initHumHub() async { | ||
| // Validate the URL format and if !value.isEmpty | ||
| if (!helper.validate()) return; | ||
| helper.save(); | ||
| // Get the manifest.json for given url. | ||
| await findManifest(helper.model[formUrlKey]!); | ||
| // If manifest.json does not exist the url is incorrect. | ||
| // This is a temp. fix the validator expect sync. function this is some established workaround. | ||
| // In the future we could define our own TextFormField that would also validate the API responses. | ||
| // But it this is not acceptable I can suggest simple popup or tempPopup. | ||
| if (asyncData!.hasError || doesViewExist) { | ||
| log("Open URL error: $asyncData"); | ||
| String value = urlTextController.text; | ||
| urlTextController.text = error404; | ||
| helper.validate(); | ||
| urlTextController.text = value; | ||
| } else { | ||
| Manifest manifest = asyncData!.value!; | ||
| // Set the manifestStateProvider with the manifest value so that it's globally accessible | ||
| // Generate hash and save it to store | ||
| String lastUrl = ""; | ||
| lastUrl = await ref.read(humHubProvider).getLastUrl(); | ||
| String currentUrl = urlTextController.text; | ||
| String hash = HumHub.generateHash(32); | ||
| if (lastUrl == currentUrl) hash = ref.read(humHubProvider).randomHash ?? hash; | ||
| ref.read(humHubProvider).setInstance(HumHub(manifest: manifest, randomHash: hash)); | ||
| } | ||
| } | ||
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| Uri assumeUrl(String url) { | ||
| if (url.startsWith("https://") || url.startsWith("http://")) return Uri.parse(url); | ||
| return Uri.parse("https://$url"); | ||
| } | ||
|
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| String? validateUrl(String? value) { | ||
| if (value == error404) return 'Your HumHub installation does not exist'; | ||
|
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| if (value == null || value.isEmpty) { | ||
| return 'Specify you HumHub location'; | ||
| } | ||
| return null; | ||
| } | ||
| } |
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