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.
91 lines
2.3 KiB
91 lines
2.3 KiB
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Web;
|
|
using FLocal.Core;
|
|
|
|
namespace FLocal.Common.BBCodes {
|
|
class UrlProcessor {
|
|
|
|
public struct UrlInfo {
|
|
public readonly bool isLocal;
|
|
private readonly string rawRelativeUrl;
|
|
public string relativeUrl {
|
|
get {
|
|
return this.rawRelativeUrl;
|
|
//return HttpUtility.UrlEncode(this.rawRelativeUrl);
|
|
}
|
|
}
|
|
public UrlInfo(bool isLocal, string relativeUrl) {
|
|
this.isLocal = isLocal;
|
|
this.rawRelativeUrl = relativeUrl;
|
|
}
|
|
}
|
|
|
|
private static string Safe(string str) {
|
|
return System.Web.HttpUtility.HtmlEncode(str);
|
|
}
|
|
|
|
public static HashSet<string> KnownAliases = new HashSet<string> {
|
|
"forum.local",
|
|
"forum.b.gz.ru",
|
|
"www.snto-msu.net",
|
|
"hq.sectorb.msk.ru",
|
|
"petaflop.b.gz.ru",
|
|
"194.88.210.5",
|
|
"forumlocal.ru",
|
|
"forumbgz.ru",
|
|
"forum.hn",
|
|
};
|
|
|
|
public const string DOMAIN = ".forum.hn";
|
|
|
|
public static UrlInfo Process(string url) {
|
|
if (url.StartsWith("/")) {
|
|
return new UrlInfo(true, url);
|
|
}
|
|
Uri uri;
|
|
try {
|
|
uri = new Uri(url);
|
|
} catch(UriFormatException) {
|
|
throw new Core.FLocalException("wrong url: " + url);
|
|
}
|
|
if (KnownAliases.Contains(uri.Host.ToLower()) || uri.Host.ToLower().EndsWith(DOMAIN)) {
|
|
return new UrlInfo(true, uri.PathAndQuery);
|
|
} else {
|
|
return new UrlInfo(false, uri.ToString());
|
|
}
|
|
}
|
|
|
|
public static string ProcessLink(string link, string title, bool shortenRelative) {
|
|
bool isExternal = true;
|
|
string url;
|
|
if(shortenRelative) {
|
|
var urlInfo = UrlProcessor.Process(link);
|
|
url = urlInfo.relativeUrl;
|
|
isExternal = !urlInfo.isLocal;
|
|
} else {
|
|
var urlInfo = new Uri(link);
|
|
url = urlInfo.ToString();
|
|
}
|
|
if(isExternal) {
|
|
if(title == null) {
|
|
title = Safe(url);
|
|
}
|
|
} else {
|
|
var linkInfo = URL.UrlManager.Parse(url, new System.Collections.Specialized.NameValueCollection(), true);
|
|
if(linkInfo == null) {
|
|
throw new FLocalException("Unable to parse link: " + url);
|
|
}
|
|
url = linkInfo.canonicalFull;
|
|
if(title == null) {
|
|
title = Safe(linkInfo.title);
|
|
}
|
|
}
|
|
string result = String.Format("<a href=\"{0}\"{1}>{2}</a>", url, (isExternal ? " class=\"external\"" : ""), title);
|
|
return result;
|
|
}
|
|
|
|
}
|
|
}
|
|
|