{"id":16,"date":"2008-03-27T15:46:00","date_gmt":"2008-03-27T15:46:00","guid":{"rendered":"http:\/\/wangxianyuan.com\/blogengine\/post\/howto-make-an-extension"},"modified":"2014-03-22T11:11:26","modified_gmt":"2014-03-22T11:11:26","slug":"howto-make-an-extension","status":"publish","type":"post","link":"http:\/\/wangxianyuan.com\/blogengine\/post\/howto-make-an-extension","title":{"rendered":"\u535a\u6613\uff08BlogYi v1.0\uff09\u7684\u63d2\u4ef6\u6269\u5c55\u673a\u5236"},"content":{"rendered":"

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\n[code:c#]
\n[Extension("\u9632\u6b62\u672c\u7ad9\u56fe\u7247\u663e\u793a\u5728\u5176\u4ed6\u7f51\u7ad9\u4e4b\u4e0a")]
\npublic class StopLeechers
\n[\/code]\n<\/p>\n

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\n[code:c#]
\npublic StopLeechers()
\n{
\n  ImageHandler.BeforeServing += new EventHandler<ImageHandler.FileHandlerEventArgs>(StopReferrers);
\n}
\n[\/code]\n<\/p>\n

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\n[code:c#]
\nvoid StopReferrers(object sender, ImageHandler.FileHandlerEventArgs e)
\n{
\n  HttpContext context = HttpContext.Current;
\n  if (context.Request.UrlReferrer != null)
\n  {
\n    if (context.Request.UrlReferrer.Host != context.Request.Url.Host)
\n    {
\n      context.Response.StatusCode = 403;
\n      context.Response.End();
\n    }
\n  }
\n}
\n[\/code]\n<\/p>\n

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\nImageHandler.BeforeServing – \u8c03\u7528\u56fe\u7247\u524d\u89e6\u53d1
\nImageHandler.ImageServing – \u8c03\u7528\u56fe\u7247\u4e2d\u89e6\u53d1
\nImageHandler.BadRequest – \u9519\u8bef\u8bf7\u6c42\u56fe\u7247\u65f6\u89e6\u53d1
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\nPost.Saved – \u4fdd\u5b58\u6587\u7ae0\u65f6\u89e6\u53d1
\nPost.Rated – \u5bf9\u6587\u7ae0\u8bc4\u7ea7\u65f6\u89e6\u53d1
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\nPage.Saved – \u4fdd\u5b58\u9875\u9762\u65f6\u89e6\u53d1
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\nCategoryDictionary.Saved – \u5206\u7c7b\u4fdd\u5b58\u65f6\u89e6\u53d1\n<\/p>\n

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