You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.8 KiB
56 lines
1.8 KiB
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Web;
|
|
using System.Text.RegularExpressions;
|
|
using System.IO;
|
|
using FLocal.Core;
|
|
|
|
namespace FLocal.IISHandler.handlers {
|
|
class StaticHandler : ISpecificHandler {
|
|
|
|
private string[] requestParts;
|
|
|
|
public StaticHandler(string[] requestParts) {
|
|
this.requestParts = requestParts;
|
|
}
|
|
|
|
public void Handle(WebContext context) {
|
|
if(this.requestParts.Length < 2) {
|
|
throw new HttpException(403, "listing not allowed");
|
|
}
|
|
|
|
Regex checker = new Regex("^[a-z][0-9a-z\\-]*(\\.[a-zA-Z]+)?$", RegexOptions.Compiled | RegexOptions.CultureInvariant | RegexOptions.IgnoreCase | RegexOptions.Singleline);
|
|
string path = "";
|
|
for(int i=1; i<this.requestParts.Length; i++) {
|
|
if(!checker.IsMatch(this.requestParts[i])) {
|
|
throw new HttpException(400, "wrong url (checker='" + checker.ToString() + "'; string='" + this.requestParts[i] + "'");
|
|
}
|
|
path += FLocal.Common.Config.instance.DirSeparator + this.requestParts[i];
|
|
}
|
|
|
|
string fullPath = FLocal.Common.Config.instance.dataDir + "Static" + path;
|
|
if(!File.Exists(fullPath)) {
|
|
throw new HttpException(404, "not found");
|
|
}
|
|
FileInfo fileinfo = new FileInfo(fullPath);
|
|
if(!fileinfo.FullName.StartsWith(FLocal.Common.Config.instance.dataDir + "Static")) {
|
|
throw new HttpException(403, "forbidden");
|
|
}
|
|
|
|
string mime = Util.getMimeByExtension(fileinfo.Extension);
|
|
if(mime != null) {
|
|
context.httpresponse.ContentType = mime;
|
|
} else {
|
|
throw new HttpException(403, "wrong file type");
|
|
}
|
|
|
|
context.httpresponse.CacheControl = HttpCacheability.Public.ToString();
|
|
context.httpresponse.Expires = 1440;
|
|
|
|
context.httpresponse.TransmitFile(fileinfo.FullName);
|
|
}
|
|
|
|
}
|
|
}
|
|
|