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authorization header support #23

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2 changes: 2 additions & 0 deletions lib/src/download_request.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -3,12 +3,14 @@ import 'package:dio/dio.dart';
class DownloadRequest {
final String url;
final String path;
final String? authorizationToken;
var cancelToken = CancelToken();
var forceDownload = false;

DownloadRequest(
this.url,
this.path,
this.authorizationToken
);

@override
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37 changes: 30 additions & 7 deletions lib/src/downloader.dart
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Expand Up @@ -45,7 +45,7 @@ class DownloadManager {
};

Future<void> download(String url, String savePath, cancelToken,
{forceDownload = false}) async {
{String? authorizatonToken, forceDownload = false}) async {
late String partialFilePath;
late File partialFile;
try {
Expand Down Expand Up @@ -77,11 +77,16 @@ class DownloadManager {
}

var partialFileLength = await partialFile.length();
var headers = { HttpHeaders.rangeHeader: 'bytes=$partialFileLength-',};

if(authorizatonToken!=null){
headers[HttpHeaders.authorizationHeader] = authorizatonToken;
}

var response = await dio.download(url, partialFilePath + tempExtension,
onReceiveProgress: createCallback(url, partialFileLength),
options: Options(
headers: {HttpHeaders.rangeHeader: 'bytes=$partialFileLength-'},
headers: headers,
),
cancelToken: cancelToken,
deleteOnError: true);
Expand All @@ -97,8 +102,18 @@ class DownloadManager {
setStatus(task, DownloadStatus.completed);
}
} else {

var headers = <String, String>{};

if(authorizatonToken!=null){
headers[HttpHeaders.authorizationHeader] = authorizatonToken;
}

var response = await dio.download(url, partialFilePath,
onReceiveProgress: createCallback(url, 0),
options: Options(
headers: headers,
),
cancelToken: cancelToken,
deleteOnError: false);

Expand Down Expand Up @@ -151,7 +166,10 @@ class DownloadManager {
}
}

Future<DownloadTask?> addDownload(String url, String savedDir) async {
Future<DownloadTask?> addDownload(
String url,
String savedDir,
{String? authorizationToken}) async {
if (url.isNotEmpty) {
if (savedDir.isEmpty) {
savedDir = ".";
Expand All @@ -162,7 +180,7 @@ class DownloadManager {
? savedDir + Platform.pathSeparator + getFileNameFromUrl(url)
: savedDir;

return _addDownloadRequest(DownloadRequest(url, downloadFilename));
return _addDownloadRequest(DownloadRequest(url, downloadFilename, authorizationToken));
}
}

Expand All @@ -179,7 +197,9 @@ class DownloadManager {
}
}

_queue.add(DownloadRequest(downloadRequest.url, downloadRequest.path));
_queue.add(DownloadRequest(downloadRequest.url,
downloadRequest.path, downloadRequest.authorizationToken));

var task = DownloadTask(_queue.last);

_cache[downloadRequest.url] = task;
Expand Down Expand Up @@ -384,8 +404,11 @@ class DownloadManager {
}
var currentRequest = _queue.removeFirst();

download(
currentRequest.url, currentRequest.path, currentRequest.cancelToken);
download(currentRequest.url,
currentRequest.path,
currentRequest.cancelToken,
authorizatonToken: currentRequest.authorizationToken
);

await Future.delayed(Duration(milliseconds: 500), null);
}
Expand Down