mirror of
https://github.com/wanghongenpin/proxypin.git
synced 2026-03-18 05:13:25 +08:00
215 lines
7.9 KiB
Dart
215 lines
7.9 KiB
Dart
/*
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* Copyright 2023 Hongen Wang
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import 'dart:convert';
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import 'dart:io';
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import 'package:proxypin/network/channel/host_port.dart';
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import 'package:proxypin/network/http/content_type.dart';
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import 'package:proxypin/network/http/http.dart';
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import 'package:proxypin/network/http/http_headers.dart';
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import 'package:proxypin/network/util/process_info.dart';
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import 'package:proxypin/ui/configuration.dart';
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class Har {
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static int maxBodyLength = 1024 * 1024 * 4;
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static List<Map> _entries(List<HttpRequest> list) {
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return list.map((e) => toHar(e)).toList();
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}
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static Map toHar(HttpRequest request) {
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bool isImage = request.response?.contentType == ContentType.image;
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Map har = {
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"startedDateTime": request.requestTime.toUtc().toIso8601String(), // 请求发出的时间(ISO 8601)
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"time": request.response?.responseTime.difference(request.requestTime).inMilliseconds,
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"pageref": "ProxyPin", // 页面标识
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"_id": request.requestId, // 页面标识
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'_app': request.processInfo?.toJson(),
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"request": {
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"method": request.method.name, // 请求方法
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"url": request.requestUrl, // 请求地址
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"httpVersion": request.protocolVersion, // HTTP协议版本
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"cookies": [], // 请求携带的cookie
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"headers": _headers(request), // 请求头
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"queryString": _getQueryString(request), // 请求参数
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"postData": _getPostData(request), // 请求体
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"headersSize": -1, // 请求头大小
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"bodySize": request.body?.length ?? -1, // 请求体大小
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},
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"cache": {},
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'timings': {
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'send': 0,
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'wait': request.response?.responseTime.difference(request.requestTime).inMilliseconds,
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'receive': 0,
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},
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'serverIPAddress': request.response?.remoteHost ?? '', // 服务器IP地址
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};
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har['response'] = {
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"status": request.response?.status.code ?? 0, // 响应状态码
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"statusText": request.response?.status.reasonPhrase ?? '', // 响应状态码描述
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"httpVersion": request.response?.protocolVersion ?? 'HTTP/1.1', // HTTP协议版本
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"cookies": [], // 响应携带的cookie
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"headers": _headers(request.response), // 响应头
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"content": {
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"size": isImage ? 0 : request.response?.body?.length ?? -1, // 响应体大小
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"mimeType": _getContentType(request.response?.headers.contentType), // 响应体类型
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"text": isImage ? '' : request.response?.bodyAsString, // 响应体内容
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},
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"redirectURL": '', // 重定向地址
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"headersSize": -1, // 响应头大小
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"bodySize": isImage ? -1 : request.response?.body?.length ?? -1, // 响应体大小
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};
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return har;
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}
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static Future<String> writeJson(List<HttpRequest> list, {String title = ''}) async {
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var entries = _entries(list);
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Map har = {};
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title = title.contains("ProxyPin") ? title : "[ProxyPin]$title";
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har["log"] = {
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"version": "1.2",
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"creator": {"name": "ProxyPin", "version": AppConfiguration.version},
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"pages": [
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{
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"title": title,
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"id": "ProxyPin",
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"startedDateTime": list.firstOrNull?.requestTime.toUtc().toIso8601String(),
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"pageTimings": {"onContentLoad": -1, "onLoad": -1}
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}
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],
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"entries": entries,
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};
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return jsonEncode(har);
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}
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static Future<File> writeFile(List<HttpRequest> list, File file, {String title = ''}) async {
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var json = await writeJson(list, title: title);
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return file.writeAsString(json);
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}
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//读取文件
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static Future<List<HttpRequest>> readFile(File file) async {
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var lines = await file.readAsLines();
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List<HttpRequest> list = [];
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for (var value in lines) {
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var har = jsonDecode(value.substring(0, value.length - 1));
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var request = toRequest(har);
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list.add(request);
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}
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return list;
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}
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static List<Map> _headers(HttpMessage? message) {
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var headers = <Map<String, String>>[];
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var contentEncodingName = message?.headers.getOriginalName(HttpHeaders.CONTENT_ENCODING);
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message?.headers.forEach((name, values) {
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for (var element in values) {
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//body已经解码 删除编码
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if (name == contentEncodingName && element == 'br') {
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continue;
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}
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headers.add({'name': name, 'value': element});
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}
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});
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return headers;
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}
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/// har to request
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static HttpRequest toRequest(Map har) {
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var request = har['request'];
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var method = request['method'];
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List headers = request['headers'];
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var httpRequest = HttpRequest(HttpMethod.valueOf(method), request['url'], protocolVersion: request['httpVersion']);
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if (har.containsKey("_id")) httpRequest.requestId = har['_id'].toString(); // 页面标识
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httpRequest.processInfo = har['_app'] == null ? null : ProcessInfo.fromJson(har['_app']);
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httpRequest.body = request['postData']?['text']?.toString().codeUnits;
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for (var element in headers) {
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httpRequest.headers.add(element['name'], element['value']);
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}
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var response = har['response'];
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HttpResponse? httpResponse;
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if (response != null && response['status'] != null) {
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httpResponse = HttpResponse(HttpStatus.newStatus(response['status'], response['statusText']),
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protocolVersion: response['httpVersion']);
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httpResponse.body = response['content']['text']?.toString().codeUnits;
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List responseHeaders = response['headers'];
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for (var element in responseHeaders) {
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httpResponse.headers.add(element['name'], element['value']);
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}
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}
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httpRequest.response = httpResponse;
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httpResponse?.request = httpRequest;
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httpRequest.hostAndPort = HostAndPort.of(httpRequest.requestUrl);
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httpResponse?.remoteHost = har['serverIPAddress']; // 服务器IP地址
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//请求时间
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if (har['startedDateTime'] != null) {
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httpRequest.requestTime = DateTime.parse(har['startedDateTime']).toLocal();
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}
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if (har['time'] != null) {
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httpRequest.response?.responseTime =
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httpRequest.requestTime.add(Duration(milliseconds: double.parse(har['time'].toString()).toInt()));
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}
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return httpRequest;
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}
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static List<Map<String, String>> _getQueryString(HttpRequest request) {
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final queryStringList = <Map<String, String>>[];
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final queries = request.requestUri?.queryParametersAll;
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queries?.forEach((key, valueList) {
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for (var value in valueList) {
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queryStringList.add({"name": key, "value": value});
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}
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});
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return queryStringList;
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}
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static Map<String, dynamic> _getPostData(HttpRequest request) {
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if (request.contentType == ContentType.formData || request.contentType == ContentType.formUrl) {
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return {
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"mimeType": request.headers.contentType, // 请求体类型
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"text": request.bodyAsString, // 请求体内容
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"params": [], // 请求体内容
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};
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}
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return {
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"mimeType": request.headers.contentType, // 请求体类型
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"text": request.bodyAsString, // 请求体内容
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};
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}
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//获取contentType
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static String? _getContentType(String? type) {
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if (type == null) {
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return '';
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}
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var indexOf = type.indexOf("charset=");
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if (indexOf == -1) {
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return type;
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}
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var contentType = type.substring(0, indexOf).trimRight();
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if (contentType.endsWith(";")) {
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return contentType.substring(0, contentType.length - 1);
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}
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return contentType;
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}
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}
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