/// <summary>
/// 授权
/// </summary>
/// <param name = "id" > 用户编号 </ param >
/// < param name="token">用户token</param>
/// <param name = "actionContext" ></ param >
/// < returns ></ returns >
public static bool Authorize(string authorization, string agents, Func <TokenAuthIdentity, HttpClientType, bool> checkToken)
{
try
{
if (!authorization.StartsWith(AuthConst.AuthPrefix))
{
return(false);
}
var auth = AuthReader.Read(authorization);
if (auth == null)
{
return(false);
}
else
{
if (auth.Id == 0 || !StringValid.IsEmpty(auth.Token))
{
return(false);
}
else
{
return(checkToken(auth, HttpClientReader.Read(agents)));
}
}
}
catch
{
return(false);
}
}
public GeneralSiteCrawler(SiteParameter siteParameter)
{
IItemReader itemReader = new RegexItemReader(siteParameter);
IHtmlReader htmlReader = new HttpClientReader();
this.pageReader = new SequentialPageReader(siteParameter, htmlReader, itemReader);
this.pageParser = new RegexPageParser(siteParameter, htmlReader);
}
public GeneralSiteCrawler(SiteParameter siteParameter)
{
this.dataService = new DbDataService(CrawlerDbHelper.GetContext());
IItemReader itemReader = new RegexItemReader(siteParameter);
IHtmlReader htmlReader = new HttpClientReader();
this.pageReader = new SequentialPageReader(siteParameter, htmlReader, itemReader);
this.pageParser = new RegexPageParser(siteParameter, htmlReader);
this.pageParser.SetErrorHandler((url, exception) =>
this.dataService.AddLog(new CrawlerLog
{
Url = url,
LogTime = DateTime.Now,
Message = exception.Message
}));
}
public async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
{
if (AuthConst.AuthType == AuthType.Internal)
{
if (context.HttpContext.Request.Headers.ContainsKey(AuthConst.AuthKey) ||
context.HttpContext.Request.Cookies.ContainsKey(AuthConst.AuthKey))
{
var agents = context.HttpContext.Request.Headers[AuthConst.UserAgentKey].ToString();
string authorization = context.HttpContext.Request.Headers[AuthConst.AuthKey].ToString();
if (authorization.IsEmpty())
{
//如果header中没有读到尝试从cookie中读取
authorization = context.HttpContext.Request.Cookies[AuthConst.AuthKey];
}
if (!authorization.StartsWith(AuthConst.AuthPrefix))
{
context.Result = new RedirectResult(AuthConst.LoginUrl);
}
var identity = AuthReader.Read(authorization);
if (identity.NotNull() &&
await AuthConst.CheckAuth(identity, HttpClientReader.Read(agents)))
{
await next();
}
else
{
context.Result = new RedirectResult(AuthConst.LoginUrl);
}
}
else
{
context.Result = new RedirectResult(AuthConst.LoginUrl);
}
}
else
{
throw new NotImplementedException();
}
}
public async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
{
if (context.HttpContext.Request.Headers.ContainsKey(AuthConst.AuthKey) ||
context.HttpContext.Request.Cookies.ContainsKey(AuthConst.AuthKey))
{
var agents = context.HttpContext.Request.Headers[AuthConst.UserAgentKey].ToString();
string authorization = context.HttpContext.Request.Headers[AuthConst.AuthKey].ToString();
if (authorization.IsEmpty())
{
//如果header中没有读到尝试从cookie中读取
authorization = context.HttpContext.Request.Cookies[AuthConst.AuthKey];
}
if (!authorization.StartsWith(AuthConst.AuthPrefix))
{
context.Result = new RedirectResult(AuthConst.LoginUrl);
}
var identity = AuthReader.Read(authorization);
var descriptor = context.ActionDescriptor as ControllerActionDescriptor;
var permissionActionContext = new PermissionActionContext()
{
ActionName = descriptor.ActionName,
ControllerName = descriptor.ControllerName,
ControllerTypeInfo = descriptor.ControllerTypeInfo,
DisplayName = descriptor.DisplayName,
MethodInfo = descriptor.MethodInfo,
Path = context.HttpContext.Request.Path
};
if (identity.NotNull() &&
await AuthConst.CheckPermission(permissionActionContext, identity, HttpClientReader.Read(agents)))
{
await next();
}
else
{
context.Result = new StatusCodeResult(403);
}
}
else
{
context.Result = new RedirectResult(AuthConst.LoginUrl);
}
}