brendan-duncan / archive Goto Github PK

import 'dart:io';
import 'package:archive/archive.dart';

void main(List<String> args) {
  var input = args[0];

  var archive = new ZipDecoder().decodeBytes(new File(input).readAsBytesSync(), verify: true);
  var zip = new ZipEncoder().encode(archive);
  archive = new ZipDecoder().decodeBytes(zip, verify: true);
}

$ dart archive.dart default.ods
Unhandled exception:
ArchiveException: Invalid CRC for file in archive.
#0      ZipDecoder.decodeBuffer (package:archive/src/zip_decoder.dart:29:11)
#1      ZipDecoder.decodeBytes (package:archive/src/zip_decoder.dart:10:12)
#2      main (file:///Users/sestegra/reyer/repos/spreadsheet_decoder/example/archive.dart:64:30)
#3      _startIsolate.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:263)
#4      _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:151)

Uncaught Error: RangeError: 229376 must be in the range [0..229376)
Stack Trace: 
#0      _throwRangeError (dart:typed_data-patch/typed_data.dart:3372)
#1      Uint8List.[]= (dart:typed_data-patch/typed_data.dart:716)
#2      OutputStream.writeByte (package:archive/src/util/output_stream.dart:33:12)
#3      Inflate._decodeHuffman (package:archive/src/zlib/inflate.dart:213:25)
#4      Inflate._parseDynamicHuffmanBlock (package:archive/src/zlib/inflate.dart:195:19)
#5      Inflate._parseBlock (package:archive/src/zlib/inflate.dart:60:34)
#6      Inflate._inflate (package:archive/src/zlib/inflate.dart:31:23)
#7      Inflate.Inflate (package:archive/src/zlib/inflate.dart:10:13)
#8      ZipFile.content (package:archive/src/zip/zip_file.dart:82:22)
#9      ZipDecoder.decodeBuffer (package:archive/src/zip_decoder.dart:21:39)
#10     ZipDecoder.decodeBytes (package:archive/src/zip_decoder.dart:10:24)
#11     installPrerequisites.<anonymous closure>
#12     _Future._propagateToListeners.<anonymous closure> (dart:async/future_impl.dart:453)
#13     _rootRun (dart:async/zone.dart:683)
#14     _RootZone.run (dart:async/zone.dart:832)
#15     _Future._propagateToListeners (dart:async/future_impl.dart:445)
#16     _Future._complete (dart:async/future_impl.dart:303)
#17     _Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:354)
#18     _asyncRunCallback (dart:async/schedule_microtask.dart:18)
#19     _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:119)


Unhandled exception:
RangeError: 229376 must be in the range [0..229376)
#0      _rootHandleUncaughtError.<anonymous closure>.<anonymous closure> (dart:async/zone.dart:677)
#1      _asyncRunCallback (dart:async/schedule_microtask.dart:18)
#2      _asyncRunCallback (dart:async/schedule_microtask.dart:21)
#3      _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:119)

      final archiveFile = new File(filename);
      final archiveBytes = archiveFile.readAsBytesSync();
      final archive = new pak.ZipDecoder().decodeBytes(archiveBytes); // Crash

gzip: stdin: invalid compressed data--crc error

gzip: stdin: invalid compressed data--length error
tar: Child returned status 1
tar: Error is not recoverable: exiting now

E/flutter ( 3054): [ERROR:topaz/lib/tonic/logging/dart_error.cc(16)] Unhandled exception:
E/flutter ( 3054): FileSystemException: Cannot create file, path = '/data/data/com.rockvole.kbmlviewer/app_flutter/out/how2instructions-master/' (OS Error: Is a directory, errno = 21)
E/flutter ( 3054): #0      _File.throwIfError (dart:io/file_impl.dart:628)
E/flutter ( 3054): #1      _File.createSync (dart:io/file_impl.dart:271)
E/flutter ( 3054): #2      _PreferencesPageState._decompressFile (/data/data/com.rockvole.kbmlviewer/cache/kbml_viewerQGEUIX/kbml_viewer/lib/preferences.dart:56:11)
E/flutter ( 3054): #3      _PreferencesPageState.getPreferenceText.<anonymous closure>.<anonymous closure> (/data/data/com.rockvole.kbmlviewer/cache/kbml_viewerQGEUIX/kbml_viewer/lib/preferences.dart:124:19)
E/flutter ( 3054): #4      _RootZone.runUnary (dart:async/zone.dart:1381)
E/flutter ( 3054): #5      _FutureListener.handleValue (dart:async/future_impl.dart:129)
E/flutter ( 3054): #6      _Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:633)
E/flutter ( 3054): #7      _Future._propagateToListeners (dart:async/future_impl.dart:662)
E/flutter ( 3054): #8      _Future._complete (dart:async/future_impl.dart:467)
E/flutter ( 3054): #9      _SyncCompleter.complete (dart:async/future_impl.dart:51)
E/flutter ( 3054): #10     _completeOnAsyncReturn (dart:async-patch/dart:async/async_patch.dart:255)
E/flutter ( 3054): #11     _PreferencesPageState._downloadFile (/data/data/com.rockvole.kbmlviewer/cache/kbml_viewerQGEUIX/kbml_viewer/lib/preferences.dart:45:5)
E/flutter ( 3054): #12     _RootZone.runUnary (dart:async/zone.dart:1381)
E/flutter ( 3054): #13     _FutureListener.handleValue (dart:async/future_impl.dart:129)
E/flutter ( 3054): #14     _Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:633)
E/flutter ( 3054): #15     _Future._propagateToListeners (dart:async/future_impl.dart:662)
E/flutter ( 3054): #16     _Future._complete (dart:async/future_impl.dart:467)
E/flutter ( 3054): #17     _SyncCompleter.complete (dart:async/future_impl.dart:51)
E/flutter ( 3054): #18     _completeOnAsyncReturn (dart:async-patch/dart:async/async_patch.dart:255)
E/flutter ( 3054): #19     getApplicationDocumentsDirectory (package:path_provider/path_provider.dart:44:3)
E/flutter ( 3054): #20     _RootZone.runUnary (dart:async/zone.dart:1381)
E/flutter ( 3054): #21     _FutureListener.handleValue (dart:async/future_impl.dart:129)
E/flutter ( 3054): #22     _Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:633)
E/flutter ( 3054): #23     _Future._propagateToListeners (dart:async/future_impl.dart:662)
E/flutter ( 3054): #24     _Future._complete (dart:async/future_impl.dart:467)
E/flutter ( 3054): #25     _SyncCompleter.complete (dart:async/future_impl.dart:51)
E/flutter ( 3054): #26     _completeOnAsyncReturn (dart:async-patch/dart:async/async_patch.dart:255)
E/flutter ( 3054): #27     MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:154:5)
E/flutter ( 3054): #28     _RootZone.runUnary (dart:async/zone.dart:1381)
E/flutter ( 3054): #29     _FutureListener.handleValue (dart:async/future_impl.dart:129)
E/flutter ( 3054): #30     _Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:633)
E/flutter ( 3054): #31     _Future._propagateToListeners (dart:async/future_impl.dart:662)
E/flutter ( 3054): #32     _Future._completeWithValue (dart:async/future_impl.dart:477)
E/flutter ( 3054): #33     _Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:507)
E/flutter ( 3054): #34     _microtaskLoop (dart:async/schedule_microtask.dart:41)
E/flutter ( 3054): #35     _startMicrotaskLoop (dart:async/schedule_microtask.dart:50)

FormatException: Bad UTF-8 encoding 0xf6 (at offset 4)
dart:convert                                        Utf8Decoder.convert
package:archive/src/util/input_stream.dart 183:25   InputStream.readString
package:archive/src/zip/zip_file_header.dart 44:26  new ZipFileHeader
package:archive/src/zip/zip_directory.dart 53:23    new ZipDirectory.read
package:archive/src/zip_decoder.dart 21:30          ZipDecoder.decodeBuffer
package:archive/src/zip_decoder.dart 15:12          ZipDecoder.decodeBytes
test/zip_file_names_test.dart 22:38                 main.<fn>

dart --preview-dart-2 test/input_stream_test.dart

    if (i < 255) {
       int bbStart = _ftab[ss << 8] & CLEARMASK;
       int bbSize = (_ftab[(ss + 1) << 8] & CLEARMASK) - bbStart;
       int shifts = 0;

       if (bbSize > 0) {
       
         while ((bbSize >> shifts) > 65534) {
           shifts++;
         }

         for (j = bbSize - 1; j >= 0; j--) {
           int a2update = ptr[bbStart + j];
           int qVal = (j >> shifts) & 0xffff;
           quadrant[a2update] = qVal;
           if (a2update < BZ_N_OVERSHOOT) {
             quadrant[a2update + nblock] = qVal;
           }
         }
         _assert(((bbSize - 1) >> shifts) <= 65535);
       }

dart:core                                     int.parse
package:archive/src/tar/tar_file.dart 177:17  TarFile._parseInt
package:archive/src/tar/tar_file.dart 65:15   TarFile.TarFile.read
package:archive/src/tar_decoder.dart 23:24    TarDecoder.decodeBuffer
package:archive/src/tar_decoder.dart 10:12    TarDecoder.decodeBytes

import 'dart:io';

import 'package:archive/archive.dart';
import 'package:test/test.dart';

void main() {
  group('pub archives', () {
    HttpClient client;
    setUpAll(() {
      client = new HttpClient();
    });
    tearDownAll(() {
      client.close(force: true);
    });

    test('logfmt 0.4.0', () async {
      final HttpClientRequest rq = await client.getUrl(Uri.parse(
          'https://storage.googleapis.com/pub-packages/packages/logfmt-0.4.0.tar.gz'));
      final HttpClientResponse rs = await rq.close();
      final List<int> data = (await rs.toList())
          .fold([], (List<int> a, List<int> b) => a..addAll(b));
      expect(data.length, 10240);

      final Archive archive =
          new TarDecoder().decodeBytes(new GZipDecoder().decodeBytes(data));
      expect(archive.toList(), isNotEmpty);
    });
  });
}

extractFiles() async{
    final dir = await Storage().localPath;
    final _directory = Directory(dir+"/bizzapp/zip");
    List<FileSystemEntity> _files;
    _files  = _directory.listSync(recursive: true, followLinks: false);  
    // Read the Zip file from disk.
    List<int> bytes = new File(_files[0].path).readAsBytesSync();

    // Decode the Zip file
    Archive archive = new ZipDecoder().decodeBytes(bytes);

    // Extract the contents of the Zip archive to disk.
    for (ArchiveFile file in archive) {
      String filename = file.name;
      if (file.isFile) {
        List<int> data = file.content;
        new File(dir+'/bizzapp/' + filename)
          ..createSync(recursive: true)
          ..writeAsBytesSync(data);
      } else {
        new Directory(dir+'/bizzapp/' + filename)
          ..create(recursive: true);
      }
    }
  }

String nextName = null;
for (var archiveFile in archive) {
  if (archiveFile.name == '././@LongLink') {
    nextName = archiveFile.rawContent.readString();
    continue;
  }
  var name = nextName ?? archiveFile.name;
  nextName = null;
  ...process the file here...
}

final archive = new ZipDecoder().decodeBytes(request.bodyBytes);
    for (ArchiveFile file in archive) {
      String filename = file.name;
      if (file.isFile) {
        List<int> data = file.content;
        new File("$databasesPath/" + filename)
          ..createSync(recursive: true)
          ..writeAsBytesSync(data);
      } else {
        new Directory('$databasesPath/' + filename)
          ..create(recursive: true);
      }
    }

import 'dart:io';
import 'package:archive/archive.dart';
import 'package:archive/archive_io.dart';
 
void main(args) {
  if (args.length != 2) {
    print('usage: example.dart a.tar folder');
    return;
  }
  String tarPath = args[0];
  Uri dir = Uri.base.resolve("${args[1]}/");
  // Switching to reading using `decodeBuffer` fixes it.
  var archive = TarDecoder().decodeBytes(File(tarPath).readAsBytesSync());
  for (var file in archive) {
    if (file.name.endsWith('/')) continue;
    var outputUri = dir.resolve(file.name);
    File.fromUri(outputUri).parent.createSync(recursive: true);
    // Switching to writing using `toUnit8List` fixes it.
    // new File.fromUri(outputUri).writeAsBytesSync(file.rawContent.toUint8List());
    new OutputFileStream(outputUri.toFilePath()).writeInputStream(file.rawContent);
  }
}

#0      Inflate._parseUncompressedBlock (package:archive/src/zlib/inflate.dart:151:7)
#1      Inflate._parseBlock (package:archive/src/zlib/inflate.dart:54:32)
#2      Inflate._inflate (package:archive/src/zlib/inflate.dart:31:23)
#3      Inflate.Inflate.buffer (package:archive/src/zlib/inflate.dart:16:13)

NoSuchMethodError: NoSuchMethodError: The method 'toUint8List' was called on null.
Receiver: null
Tried calling: toUint8List()
  File "input_file_stream.dart", line 288, in InputFileStream.toUint8List
  File "zip_encoder.dart", line 81, in ZipEncoder.getFileCrc32
  File "zip_encoder.dart", line 131, in ZipEncoder.addFile
  File "zip_file_encoder.dart", line 56, in ZipFileEncoder.addFile
  File "zip_file_encoder.dart", line 44, in ZipFileEncoder.addDirectory
  File "zip_file_encoder.dart", line 20, in ZipFileEncoder.zipDirectory

List<int> takeBytes() {
    _flushPending();
    List<int> bytes = _output.getBytes();
    _output.clear();
    return bytes;
}

import 'dart:convert';

import 'dart:async';

import 'package:flutter/material.dart';

import 'package:flutter_webview_plugin/flutter_webview_plugin.dart';

import 'dart:async' show Future;
import 'package:flutter/services.dart' show rootBundle;

import 'package:path_provider/path_provider.dart';

import 'dart:io';

import 'package:flutter_document_picker/flutter_document_picker.dart';

import 'package:archive/archive.dart';
import 'package:archive/archive_io.dart';

const kAndroidUserAgent =
    'Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Mobile Safari/537.36';


  Future<String> loadAsset() async {
    return await rootBundle.loadString('assets/teste3.xhtml');
  }



final data = loadAsset();  

String selectedUrl;

String extPath; 

//recuperando localpath
Future<String> get _localPath async {
  final directory = await getApplicationDocumentsDirectory();
  print(directory.path);
  extPath = directory.path;
  return directory.path;
}

Future<File> get _localFile async {
  final path = await _localPath;
  return File('$path/teste.zip');
}

Future<File> writeCounter(String counter) async {
  
  final path = await FlutterDocumentPicker.openDocument();

  final ffile = await _localFile;
  
  File(path).copy(ffile.path);

  // Read the Zip file from disk.
  List<int> bytes = new File(ffile.path).readAsBytesSync();

  // Decode the Zip file
  Archive archive = new ZipDecoder().decodeBytes(bytes);

  // Extract the contents of the Zip archive to disk.
  for (ArchiveFile cfile in archive) {
    String filename = cfile.name;
    if (cfile.isFile) {
      List<int> cdata = cfile.content;
      new File('out/' + filename)
        ..createSync(recursive: true)
        ..writeAsBytesSync(cdata);
    } else {
      new Directory('out/' + filename)
        ..create(recursive: true);
    }
  }

  selectedUrl = extPath + '/out/OEBPS/1102014248.xhtml';

  // Write the file
  return File(extPath + '/out/OEBPS/1102014248.xhtml'); // file.writeAsString('$counter');
}



void main() async {

// escrevendo no arquivo
writeCounter(await data);

  runApp(new MyApp());
}

class MyApp extends StatelessWidget {
  final flutterWebviewPlugin = new FlutterWebviewPlugin();
  final _codeCtrl =
      new TextEditingController(text:  '' );   


  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      title: 'Flutter WebView Demo',
      theme: new ThemeData(
        primarySwatch: Colors.blue,
      ),
      routes: {
        '/': (_) => const MyHomePage(title: 'Flutter WebView Demo'),
        '/widget': (_) => new 
              WebviewScaffold( 
              url: selectedUrl,
              appBar: new AppBar(
                title: const Text('Widget webview'),
                actions: <Widget>[
                    new RaisedButton(
                      onPressed: () {



                      // escrevendo no arquivo
                      //data.then((String rres){writeCounter(rres);});

                      /* abrindo o epub */
                      //selectedUrl = "file:///data/user/0/com.example.widgetdinamico/app_flutter/teste.xhtml";


                      final future =
                          flutterWebviewPlugin.evalJavascript(_codeCtrl.text);
                      
                      future.then( (String result) {
                        
                          //_history.add('eval: $result');
                          print('eval: $result');
                        
                      });


                      },
                      child: const Text('Color')
                    )
                ],
              ),
              clearCache: true,
              clearCookies: true,
              withZoom: false,
              withLocalStorage: true,
            )
      },
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key key, this.title}) : super(key: key);

  final String title;

  @override
  _MyHomePageState createState() => new _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  // Instance of WebView plugin
  final flutterWebviewPlugin = new FlutterWebviewPlugin();

  // On destroy stream
  StreamSubscription _onDestroy;

  // On urlChanged stream
  StreamSubscription<String> _onUrlChanged;

  // On urlChanged stream
  StreamSubscription<WebViewStateChanged> _onStateChanged;

  StreamSubscription<WebViewHttpError> _onHttpError;

  StreamSubscription<double> _onScrollYChanged;

  StreamSubscription<double> _onScrollXChanged;

  final _urlCtrl = new TextEditingController(text: selectedUrl);

  final _codeCtrl =
      new TextEditingController(text: "confirm('teste');" /*'window.navigator.userAgent'*/);   /* \$('rb-f').css({"color": "red", "border": "2px solid red"}); */

  final _scaffoldKey = new GlobalKey<ScaffoldState>();

  final _history = [];

  @override
  void initState() {
    super.initState();

    flutterWebviewPlugin.close();

    _urlCtrl.addListener(() {
      selectedUrl = _urlCtrl.text;
    });

    // Add a listener to on destroy WebView, so you can make came actions.
    _onDestroy = flutterWebviewPlugin.onDestroy.listen((_) {
      if (mounted) {
        // Actions like show a info toast.
        _scaffoldKey.currentState.showSnackBar(
            const SnackBar(content: const Text('Webview Destroyed')));
      }
    });

    // Add a listener to on url changed
    _onUrlChanged = flutterWebviewPlugin.onUrlChanged.listen((String url) {
      print('_onUrlChanged');
      if (mounted) {
        setState(() {
          _history.add('onUrlChanged: $url');
        });
      }
    });

    _onScrollYChanged =
        flutterWebviewPlugin.onScrollYChanged.listen((double y) {
      if (mounted) {
        setState(() {
          _history.add("Scroll in  Y Direction: $y");
        });
      }
    });

    _onScrollXChanged =
        flutterWebviewPlugin.onScrollXChanged.listen((double x) {
      if (mounted) {
        setState(() {
          _history.add("Scroll in  X Direction: $x");
        });
      }
    });

    _onStateChanged =
        flutterWebviewPlugin.onStateChanged.listen((WebViewStateChanged state) {
          print('_onStateChanged');
      if (mounted) {
        setState(() {
          _history.add('onStateChanged: ${state.type} ${state.url}');
        });
      }
    });

    _onHttpError =
        flutterWebviewPlugin.onHttpError.listen((WebViewHttpError error) {
      if (mounted) {
        setState(() {
          _history.add('onHttpError: ${error.code} ${error.url}');
        });
      }
    });
  }

  @override
  void dispose() {
    // Every listener should be canceled, the same should be done with this stream.
    _onDestroy.cancel();
    _onUrlChanged.cancel();
    _onStateChanged.cancel();
    _onHttpError.cancel();
    _onScrollXChanged.cancel();
    _onScrollYChanged.cancel();

    flutterWebviewPlugin.dispose();

    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      key: _scaffoldKey,
      appBar: new AppBar(
        title: const Text('Plugin example app'),
      ),
      body: new Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: [
          new Container(
            padding: const EdgeInsets.all(24.0),
            child: new TextField(controller: _urlCtrl),
          ),
          new RaisedButton(
            onPressed: () {
              flutterWebviewPlugin.launch(selectedUrl,
                  rect: new Rect.fromLTWH(
                      0.0, 0.0, MediaQuery.of(context).size.width, 300.0),
                  userAgent: kAndroidUserAgent);
            },
            child: const Text('Open Webview (rect)'),
          ),
          new RaisedButton(
            onPressed: () {
              flutterWebviewPlugin.launch(selectedUrl, hidden: true);
            },
            child: const Text('Open "hidden" Webview'),
          ),
          new RaisedButton(
            onPressed: () {
              flutterWebviewPlugin.launch(selectedUrl);
            },
            child: const Text('Open Fullscreen Webview'),
          ),
          new RaisedButton(
            onPressed: () {
              flutterWebviewPlugin.evalJavascript(_codeCtrl.text);
              Navigator.of(context).pushNamed('/widget');
            },
            child: const Text('Open widget webview'),
          ),
          new Container(
            padding: const EdgeInsets.all(24.0),
            child: new TextField(controller: _codeCtrl),
          ),
          new RaisedButton(
            onPressed: () {
              final future =
                  flutterWebviewPlugin.evalJavascript(_codeCtrl.text);
              future.then((String result) {
                setState(() {
                  _history.add('eval: $result');
                  print('eval: $result');
                });
              });
            },
            child: const Text('Eval some javascript'),
          ),
          new RaisedButton(
            onPressed: () {
              setState(() {
                _history.clear();
              });
              flutterWebviewPlugin.close();
            },
            child: const Text('Close'),
          ),
          new RaisedButton(
            onPressed: () {
              flutterWebviewPlugin.getCookies().then((m) {
                setState(() {
                  _history.add('cookies: $m');
                });
              });
            },
            child: const Text('Cookies'),
          ),
          new Text(_history.join('\n'))
        ],
      ),
    );
  }
}

  ....
  file.crc32 = zf.crc32;
  file.compress = compress;

return date;