Beispiel #1
0
        /// <summary>
        /// 置换连接
        /// </summary>
        private static string _ReplaceUrl(string strRe, string subMatch, string sFormartted, string sPageUrl)
        {
            Regex           re          = new Regex(strRe, RegexOptions.Multiline | RegexOptions.IgnorePatternWhitespace | RegexOptions.IgnoreCase);
            MatchCollection mcs         = re.Matches(sFormartted);
            string          sOriStr     = "";
            string          sSubMatch   = "";
            string          sReplaceStr = "";

            foreach (Match mc in mcs)
            {
                sOriStr     = mc.Value;
                sSubMatch   = mc.Groups[subMatch].Value;
                sReplaceStr = sOriStr.Replace(sSubMatch, CRegex.GetUrl(sPageUrl, sSubMatch));
                sFormartted = sFormartted.Replace(sOriStr, sReplaceStr);
            }

            return(sFormartted);
        }
Beispiel #2
0
        public static string GetContent(string sOriContent, string sOtherRemoveReg, string sPageUrl, DataTable dtAntiLink)
        {
            string sFormartted = sOriContent;

            //去掉有危险的标记
            sFormartted = Regex.Replace(sFormartted, @"<script[\s\S]*?</script>", "", RegexOptions.Multiline | RegexOptions.IgnorePatternWhitespace | RegexOptions.IgnoreCase);
            sFormartted = Regex.Replace(sFormartted, @"<iframe[^>]*>[\s\S]*?</iframe>", "", RegexOptions.Multiline | RegexOptions.IgnorePatternWhitespace | RegexOptions.IgnoreCase);
            Regex r = new Regex(@"<input[\s\S]+?>|<form[\s\S]+?>|</form[\s\S]*?>|<select[\s\S]+?>?</select>|<textarea[\s\S]*?>?</textarea>|<file[\s\S]*?>|<noscript>|</noscript>", RegexOptions.IgnoreCase);

            sFormartted = r.Replace(sFormartted, "");
            string[] sOtherReg = sOtherRemoveReg.Split(new string[] {
                "\r\n"
            }, StringSplitOptions.RemoveEmptyEntries);
            foreach (string sRemoveReg in sOtherReg)
            {
                sFormartted = CRegex.Replace(sFormartted, sRemoveReg, "", 0);
            }

            //图片路径
            //sFormartted = _ReplaceUrl("<img[^>]+src\\s*=\\s*(?:'(?<src>[^']+)'|\"(?<src>[^\"]+)\"|(?<src>[^>\\s]+))\\s*[^>]*>", "src", sFormartted,sPageUrl);
            sFormartted = _ReplaceUrl("<img[\\s\\S]+?src\\s*=\\s*(?:'(?<src>[^']+)'|\"(?<src>[^\"]+)\"|(?<src>[^>\\s]+))\\s*[^>]*>", "src", sFormartted, sPageUrl);
            //反防盗链
            string domain = GetDomain(sPageUrl);

            DataRow[] drs = dtAntiLink.Select("Domain='" + domain + "'");
            if (drs.Length > 0)
            {
                foreach (DataRow dr in drs)
                {
                    switch (Convert.ToInt32(dr["Type"]))
                    {
                    case 1:    //置换
                        sFormartted = sFormartted.Replace(dr["imgUrl"].ToString(), "http://stat.580k.com/t.asp?url=");
                        break;

                    default:    //附加
                        sFormartted = sFormartted.Replace(dr["imgUrl"].ToString(), "http://stat.580k.com/t.asp?url=" + dr["imgUrl"].ToString());
                        break;
                    }
                }
            }

            //A链接
            sFormartted = _ReplaceUrl(@"<a[^>]+href\s*=\s*(?:'(?<href>[^']+)'|""(?<href>[^""]+)""|(?<href>[^>\s]+))\s*[^>]*>", "href", sFormartted, sPageUrl);

            //CSS
            sFormartted = _ReplaceUrl(@"<link[^>]+href\s*=\s*(?:'(?<href>[^']+)'|""(?<href>[^""]+)""|(?<href>[^>\s]+))\s*[^>]*>", "href", sFormartted, sPageUrl);

            //BACKGROUND
            sFormartted = _ReplaceUrl(@"background\s*=\s*(?:'(?<img>[^']+)'|""(?<img>[^""]+)""|(?<img>[^>\s]+))", "img", sFormartted, sPageUrl);
            //style方式的背景:background-image:url(...)
            sFormartted = _ReplaceUrl(@"background-image\s*:\s*url\s*\x28(?<img>[^\x29]+)\x29", "img", sFormartted, sPageUrl);

            //FLASH
            sFormartted = _ReplaceUrl(@"<param\s[^>]+""movie""[^>]+value\s*=\s*""(?<flash>[^"">]+\x2eswf)""[^>]*>", "flash", sFormartted, sPageUrl);

            //XSL
            if (IsXml(sFormartted))
            {
                sFormartted = _ReplaceUrl(@"<\x3fxml-stylesheet\s+[^\x3f>]+href=\s*(?:'(?<href>[^']+)'|""(?<href>[^""]+)"")\s*[^\x3f>]*\x3f>", "href", sFormartted, sPageUrl);
            }

            //script
            //sFormartted = _ReplaceUrl(@"<script[^>]+src\s*=\s*(?:'(?<src>[^']+)'|""(?<src>[^""]+)""|(?<src>[^>\s]+))\s*[^>]*>", "src", sFormartted,sPageUrl);

            return(sFormartted);
        }
Beispiel #3
0
 /// <summary>
 /// 网页内容
 /// </summary>
 /// <param name="sInput">输入内容</param>
 public static string GetHtml(string sInput)
 {
     return(CRegex.Replace(sInput, @"(?<Head>[^<]+)<", "", "Head"));
 }