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62 lines
2.1 KiB
62 lines
2.1 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Web;
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using System.Text.RegularExpressions;
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using System.IO;
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using Web.Core;
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namespace FLocal.IISHandler.handlers {
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class StaticHandler : AbstractGetHandler<FLocal.Common.URL.Static> {
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protected override string templateName {
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get {
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return null;
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}
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}
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protected override IEnumerable<System.Xml.Linq.XElement> getSpecificData(WebContext context) {
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string[] requestParts = this.url.remainder.Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
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Regex checker = new Regex("^[a-z][0-9a-z\\-_]*(\\.[a-zA-Z]+)?$", RegexOptions.Compiled | RegexOptions.CultureInvariant | RegexOptions.IgnoreCase | RegexOptions.Singleline);
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string path = "";
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for(int i=0; i<requestParts.Length; i++) {
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if(!checker.IsMatch(requestParts[i])) {
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//throw new HttpException(400, "wrong url (checker='" + checker.ToString() + "'; string='" + this.requestParts[i] + "'");
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throw new WrongUrlException();
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}
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path += FLocal.Common.Config.instance.DirSeparator + requestParts[i];
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}
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string fullPath = FLocal.Common.Config.instance.dataDir + "Static" + path;
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if(!File.Exists(fullPath)) {
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//throw new HttpException(404, "not found");
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throw new WrongUrlException();
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}
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FileInfo fileinfo = new FileInfo(fullPath);
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if(!fileinfo.FullName.StartsWith(FLocal.Common.Config.instance.dataDir + "Static")) {
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//throw new HttpException(403, "forbidden");
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throw new WrongUrlException();
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}
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string mime = Util.getMimeByExtension(fileinfo.Extension);
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if(mime != null) {
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context.httpresponse.ContentType = mime;
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} else {
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//throw new HttpException(403, "wrong file type");
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throw new WrongUrlException();
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}
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context.httpresponse.Cache.SetExpires(DateTime.Now.AddDays(10));
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context.httpresponse.Cache.SetLastModified(fileinfo.LastWriteTime);
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context.httpresponse.Cache.SetCacheability(HttpCacheability.Public);
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context.httpresponse.TransmitFile(fileinfo.FullName);
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throw new response.SkipXsltTransformException();
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}
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}
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}
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