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我要评论 /// <summary>
/// cookie 助手
/// </summary>
public class cookiehelper
{
/// <summary>
/// 解析cookie
/// </summary>
private static readonly regex regexsplitcookie2 = new regex(@"[^,][\s\s]+?;+[\s\s]+?(?=,\s)");
/// <summary>
/// 获取所有cookie 通过set-cookie
/// </summary>
/// <param name="setcookie"></param>
/// <returns></returns>
public static cookiecollection getcookiesfromheader(string setcookie)
{
var cookiecollection = new cookiecollection();
//拆分cookie
setcookie += ",t";//配合regexsplitcookie2 加入后缀
var liststr = regexsplitcookie2.matches(setcookie);
//循环遍历
foreach (match item in liststr)
{
//根据; 拆分cookie 内容
var cookieitem = item.value.split(';');
var cookie = new cookie();
for (var index = 0; index < cookieitem.length; index++)
{
var info = cookieitem[index];
//第一个 默认 cookie name
//判断键值对
if (info.contains("="))
{
var indexk = info.indexof('=');
var name = info.substring(0, indexk).trim();
var val = info.substring(indexk + 1);
if (index == 0)
{
cookie.name = name;
cookie.value = val;
continue;
}
if (name.equals("domain", stringcomparison.ordinalignorecase))
{
cookie.domain = val;
}
else if (name.equals("expires", stringcomparison.ordinalignorecase))
{
datetime.tryparse(val, out var expires);
cookie.expires = expires;
}
else if (name.equals("path", stringcomparison.ordinalignorecase))
{
cookie.path = val;
}
else if (name.equals("version", stringcomparison.ordinalignorecase))
{
cookie.version = convert.toint32(val);
}
}
else
{
if (info.trim().equals("httponly", stringcomparison.ordinalignorecase))
{
cookie.httponly = true;
}
}
}
cookiecollection.add(cookie);
}
return cookiecollection;
}
/// <summary>
/// 获取 cookies
/// </summary>
/// <param name="setcookie"></param>
/// <param name="uri"></param>
/// <returns></returns>
public static string getcookies(string setcookie, uri uri)
{
//获取所有cookie
var strcookies = string.empty;
var cookies = getcookiesfromheader(setcookie);
foreach (cookie cookie in cookies)
{
//忽略过期cookie
if (cookie.expires < datetime.now && cookie.expires != datetime.minvalue)
{
continue;
}
if (uri.host.contains(cookie.domain))
{
strcookies += $"{cookie.name}={cookie.value}; ";
}
}
return strcookies;
}
}
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