57 lines
1.6 KiB
Dart
57 lines
1.6 KiB
Dart
library angel_static;
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import 'dart:async';
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import 'dart:io';
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import 'package:angel_framework/angel_framework.dart';
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import 'package:mime/mime.dart' show lookupMimeType;
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Future<bool> _sendFile(File file, ResponseContext res) async {
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res
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..willCloseItself = true
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..header(HttpHeaders.CONTENT_TYPE, lookupMimeType(file.path))
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..status(200);
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await res.streamFile(file);
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await res.underlyingResponse.close();
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return false;
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}
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/// Serves files statically from a given directory.
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RequestMiddleware serveStatic({
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Directory sourceDirectory,
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List<String> indexFileNames: const['index.html'],
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String virtualRoot: '/'
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}) {
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if (sourceDirectory == null) {
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String dirPath = Platform.environment['ANGEL_ENV'] == 'production'
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? './build/web'
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: './web';
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sourceDirectory = new Directory(dirPath);
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}
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RegExp requestingIndex = new RegExp(r'^((\/)|(\\))*$');
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return (RequestContext req, ResponseContext res) async {
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String requested = req.path.replaceAll(new RegExp(r'^\/'), '');
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File file = new File.fromUri(
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sourceDirectory.absolute.uri.resolve(requested));
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if (await file.exists()) {
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return await _sendFile(file, res);
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}
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// Try to resolve index
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String relative = req.path.replaceFirst(virtualRoot, "")
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.replaceAll(new RegExp(r'^\/+'), "");
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if (requestingIndex.hasMatch(relative) || relative.isEmpty) {
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for (String indexFileName in indexFileNames) {
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file =
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new File.fromUri(sourceDirectory.absolute.uri.resolve(indexFileName));
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if (await file.exists()) {
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return await _sendFile(file, res);
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}
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}
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}
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return true;
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};
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}
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