继HttpClient类后，再一个HttpUtil用于访问http/https类，简化操作。
HttpUtil
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApp2
{
public static class HttpUtil
{
public static string GetHtml(string url, Encoding coding, bool allowAutoRedirect, CookieAutoContainer cookies=null, Dictionary headers = null)
{
HttpWebRequest request = GetRequest(url);
InitRequest(request, cookies, headers);
request.AllowAutoRedirect = allowAutoRedirect;
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
if (cookies != null)
{
cookies.UpdateCookie(response.Headers["Set-Cookie"]);
}
StreamReader sr = new StreamReader(response.GetResponseStream(), coding);
return sr.ReadToEnd();
}
public static byte[] GetImage(string url, bool allowAutoRedirect,CookieAutoContainer cookies = null, Dictionary headers = null)
{
HttpWebRequest request = GetRequest(url);
InitRequest(request, cookies, headers);
request.AllowAutoRedirect = allowAutoRedirect;
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
if (cookies != null)
{
cookies.UpdateCookie(response.Headers["Set-Cookie"]);
}
return StreamToBytes(response.GetResponseStream());
}
private static byte[] StreamToBytes(Stream stream)
{
MemoryStream tmp = new MemoryStream();
byte[] buff = new byte[1024];
int len = stream.Read(buff, 0, 1024);
while (len > 0)
{
tmp.Write(buff, 0, len);
len = stream.Read(buff, 0, 1024);
}
tmp.Seek(0, SeekOrigin.Begin);
byte[] data= tmp.ToArray();
tmp.Close();
tmp.Dispose();
return data;
}
private static void InitRequest(HttpWebRequest request, CookieAutoContainer cookies, Dictionary headers)
{
if (cookies != null)
{
request.Headers["Cookie"] = cookies.GetCookieHeader(null);
}
if (headers != null)
{
foreach (var item in headers)
{
if (item.Key.ToLower() == "host")
{
request.Host = item.Value;
continue;
}
if (item.Key.ToLower() == "referer")
{
request.Referer = item.Value;
continue;
}
if (item.Key.ToLower() == "accept")
{
request.Accept = item.Value;
continue;
}
if (item.Key.ToLower() == "accept")
{
request.Accept = item.Value;
continue;
}
request.Headers[item.Key] = item.Value;
}
}
}
private static HttpWebRequest GetRequest(string url)
{
HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
request.UserAgent = "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.104 Safari/537.36 Core/1.53.4882.400 QQBrowser/9.7.13059.400";
request.KeepAlive = true;
request.Proxy = null;
return request;
}
public static void InitHttp(bool enableHttps=true,int limit=512)
{
if (enableHttps == true)
{
ServicePointManager.ServerCertificateValidationCallback = delegate { return true; };
}
ServicePointManager.DefaultConnectionLimit = limit;
}
}
}
CookieAutoContainer Cookie自动化容器，解决Net类库CookieContainner无法获取httponly cookie的问题。
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
namespace ConsoleApp2
{
///
/// Cookie自动管理容器
///
public class CookieAutoContainer
{
///
/// Cookie字典
///
private Dictionary cookies;
public CookieAutoContainer()
{
this.cookies = new Dictionary();
}
public void UpdateMsgListCookie(string cookie)
{
//ms_tk
Regex re = new Regex(@"ms_tk=([\w+ \-]+)");
CookieModel ms_tk = new CookieModel() { Name = "ms_tk", Value = re.Match(cookie).Groups[1].Value };
this.AddCookie(ms_tk);
//qun_t1
re = new Regex(@"qun_t1=([\w+ \-]+)");
CookieModel qun_t1 = new CookieModel() { Name = "qun_t1", Value = re.Match(cookie).Groups[1].Value };
this.AddCookie(qun_t1);
//qun_tl
re = new Regex(@"qun_tl=([\w+ \-]+)");
CookieModel qun_tl = new CookieModel() { Name = "qun_tl", Value = re.Match(cookie).Groups[1].Value };
this.AddCookie(qun_tl);
//qun_t0
re = new Regex(@"qun_t0=([\w+ \-]+)");
CookieModel qun_t0 = new CookieModel() { Name = "qun_t0", Value = re.Match(cookie).Groups[1].Value };
this.AddCookie(qun_t0);
//qun_to
re = new Regex(@"qun_to=([\w+ \-]+)");
CookieModel qun_to = new CookieModel() { Name = "qun_to", Value = re.Match(cookie).Groups[1].Value };
this.AddCookie(qun_to);
}
#region 使用指定的匹配正则更新Cookie字符串到容器中
///
/// 使用指定的匹配正则更新Cookie字符串到容器中
///
///
///
public void UpdateCookieByRegex(Regex re,string cookieStr)
{
if (re.IsMatch(cookieStr) == true)
{
CookieModel cookie = new CookieModel() { Name = re.Match(cookieStr).Groups[1].Value, Value = re.Match(cookieStr).Groups[2].Value,Path= re.Match(cookieStr).Groups[3].Value,Domain= re.Match(cookieStr).Groups[4].Value,Expires= re.Match(cookieStr).Groups[5].Value };
this.AddCookie(cookie);
}
}
#endregion
#region 更新Cookie字符串到容器中
///
/// 更新Cookie字符串到容器中
///
///
public List UpdateCookie(string cookie)
{
if (cookie == null || cookie.Length < 2)
{
return null;
}
List list = this.StringToCookieModel(cookie);
foreach (CookieModel cm in list)
{
this.AddCookie(cm);
}
return list;
}
#endregion
#region 获取当前Cookie容器中存放的Cookie数量
///
/// 获取当前Cookie容器中存放的Cookie数量
///
///
/// 添加一个Cookie
///
///
public void AddCookie(CookieModel cm)
{
if (this.cookies.Keys.Contains(cm.Name) == true)
{
CookieModel ck = this.cookies[cm.Name];
ck.Value = cm.Value;
ck.Path = cm.Path;
ck.Domain = cm.Domain;
ck.Expires = cm.Expires;
return;
}
this.cookies.Add(cm.Name, cm);
return;
}
#endregion
#region 获取指定的Cookie头
///
/// 获取指定的Cookie头
///
/// 指定的Cookie
/// arrKeys)
{
StringBuilder sb = new StringBuilder();
if (arrKeys != null)
{
foreach (string keystr in arrKeys)
{
if (this.cookies.Keys.Contains(keystr) == true)
{
CookieModel cm = this.cookies[keystr];
sb.Append(cm.Name + "=" + cm.Value + "; ");
}
}
}
else
{
foreach (KeyValuePair kv in this.cookies)
{
CookieModel cm = kv.Value;
sb.Append(cm.Name + "=" + cm.Value + "; ");
}
}
string tmp = sb.ToString();
try
{
tmp = tmp.Substring(0, tmp.LastIndexOf(';'));
}
catch (Exception ex) { }
return tmp;
}
#endregion
#region 获取指定的Cookie实例
///
/// 获取指定的Cookie实例
///
/// 指定的Cookie
/// GetCookieModel(List arrKeys)
{
List list = new List();
if (arrKeys != null)
{
foreach (string keystr in arrKeys)
{
if (this.cookies.Keys.Contains(keystr) == true)
{
list.Add(this.cookies[keystr]);
}
}
}
return list;
}
#endregion
#region 返回一个Cookie
///
/// 返回一个Cookie
///
///
///
/// 解析Cookie字符串到Cookie实体类
///
///
/// StringToCookieModel(string cookieStr)
{
Regex re = new Regex(@"([\w \- \s]+)=([\w \. \* \- \s : / % = |]+)");
if (re.IsMatch(cookieStr) == true)
{
List list = new List();
MatchCollection matchs = re.Matches(cookieStr);
CookieModel cm = null;
foreach (Match m in matchs)
{
if (m.Groups[1].Value.ToLower().Trim() == "domain")
{
cm.Domain = m.Groups[2].Value.Trim();
continue;
}
if (m.Groups[1].Value.ToLower().Trim() == "path")
{
cm.Path = m.Groups[2].Value.Trim();
continue;
}
if (m.Groups[1].Value.ToLower().Trim() == "expires")
{
cm.Expires = m.Groups[2].Value.Trim();
continue;
}
cm = new CookieModel();
cm.Name = m.Groups[1].Value.Trim();
cm.Value = m.Groups[2].Value.Trim();
list.Add(cm);
}
return list;
}
return null;
}
#endregion
#region 遍历CookieContainer
///
/// 遍历CookieContainer
///
///
/// GetAllCookies(CookieContainer cc)
{
List lstCookies = new List();
Hashtable table = (Hashtable)cc.GetType().InvokeMember("m_domainTable",
System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.GetField |
System.Reflection.BindingFlags.Instance, null, cc, new object[] { });
foreach (object pathList in table.Values)
{
SortedList lstCookieCol = (SortedList)pathList.GetType().InvokeMember("m_list",
System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.GetField
| System.Reflection.BindingFlags.Instance, null, pathList, new object[] { });
foreach (CookieCollection colCookies in lstCookieCol.Values)
foreach (Cookie c in colCookies) lstCookies.Add(c);
}
return lstCookies;
}
#endregion
#region 获取所有的Cookie
///
/// 获取所有的Cookie
///
/// GetCookies()
{
List list = new List();
foreach (KeyValuePair kv in this.cookies)
{
list.Add(kv.Value);
}
return list;
}
#endregion
}
#region Cookie实体类
///
/// Cookie实体类
///
public class CookieModel
{
public string Name { get; set; }
public string Value { get; set; }
public string Domain { get; set; }
public string Path { get; set; }
public string Expires { get; set; }
}
#endregion
}