59 lines
2.0 KiB
Dart
59 lines
2.0 KiB
Dart
/*
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* Copyright (c) 2024-2025 Fabian Freund.
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*
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* This file is part of WebLibre
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* (see https://weblibre.eu).
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import 'dart:convert';
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import 'package:http/http.dart';
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import 'package:http_parser/http_parser.dart';
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/// This is modified from default latin1 fallback to use utf8
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Encoding _encodingForHeaders(Map<String, String> headers) =>
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_encodingForContentTypeHeader(_contentTypeForHeaders(headers), utf8);
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/// Returns the [MediaType] object for the given headers' content-type.
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///
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/// Defaults to `application/octet-stream`.
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MediaType _contentTypeForHeaders(Map<String, String> headers) {
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final contentType = headers['content-type'];
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if (contentType != null) return MediaType.parse(contentType);
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return MediaType('application', 'octet-stream');
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}
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Encoding _encodingForContentTypeHeader(
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MediaType contentTypeHeader, [
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Encoding fallback = latin1,
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]) {
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final charset = contentTypeHeader.parameters['charset'];
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// Default to utf8 for application/json when charset is unspecified.
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if (contentTypeHeader.type == 'application' &&
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contentTypeHeader.subtype == 'json' &&
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charset == null) {
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return utf8;
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}
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// Attempt to find the encoding or fall back to the default.
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return charset != null ? Encoding.getByName(charset) ?? fallback : fallback;
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}
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extension ResponesEncoding on Response {
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String get bodyUnicodeFallback =>
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_encodingForHeaders(headers).decode(bodyBytes);
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}
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