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HttpUtility.cs
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HttpUtility.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace CommonResourceAcquisition.ImageAcquisition
{
public interface IResourceNetworkLayer : IDisposable
{
void JoinProgress(IProgress<float> progress1, IProgress<float> progress2);
Task<string> Get(string url, CancellationToken token, IProgress<float> progress, Dictionary<string, string> body, bool ignoreErrors);
void AddHeaders(string name, string value);
void SetReferer(string referrer);
IResourceNetworkLayer Clone();
}
public class ResourceNetworkLayer : IResourceNetworkLayer
{
HttpClient _httpClient = new HttpClient();
public void AddHeaders(string name, string value)
{
_httpClient.DefaultRequestHeaders.Add(name, value);
}
public void AddHeaders(string name, IEnumerable<string> values)
{
_httpClient.DefaultRequestHeaders.Add(name, values);
}
public IResourceNetworkLayer Clone()
{
var result = new ResourceNetworkLayer();
foreach (var header in _httpClient.DefaultRequestHeaders)
result.AddHeaders(header.Key, header.Value);
result.SetReferer(_httpClient.DefaultRequestHeaders.Referrer.ToString());
return result;
}
public void Dispose()
{
if(_httpClient != null)
_httpClient.Dispose();
_httpClient = null;
}
public async Task<string> Get(string url, CancellationToken token, IProgress<float> progress, Dictionary<string, string> body, bool ignoreErrors)
{
//progress/cancel is not implemented using System.Net.Http
if (ignoreErrors)
{
var httpRequest = await _httpClient.GetAsync(url);
return await httpRequest.Content.ReadAsStringAsync();
}
else
return await _httpClient.GetStringAsync(url);
}
public void JoinProgress(IProgress<float> progress1, IProgress<float> progress2)
{
if (progress1 is Progress<float>)
{
((Progress<float>)progress1).ProgressChanged += (sender, arg) => progress2.Report(arg);
}
}
public void SetReferer(string referrer)
{
_httpClient.DefaultRequestHeaders.Referrer = new Uri(referrer);
}
}
public class JoinableCancellationTokenSource
{
public CancellationToken Token { get { return _cancelTokenSource.Token; } }
CancellationTokenSource _cancelTokenSource = new CancellationTokenSource();
List<CancellationTokenRegistration> _cancellationRegistration = new List<CancellationTokenRegistration>();
int _cancelationCount = 0;
public bool IsCancellationRequested { get { return _cancelTokenSource.IsCancellationRequested; } }
public bool AddToken(CancellationToken token)
{
bool reset = false;
if (_cancelTokenSource.IsCancellationRequested)
{
lock (this)
{
if (_cancelTokenSource.IsCancellationRequested)
{
Clear();
_cancelTokenSource = new CancellationTokenSource();
reset = true;
}
}
}
_cancellationRegistration.Add(token.Register(Canceled));
return reset;
}
private void Canceled()
{
_cancelationCount++;
if (_cancelationCount >= _cancellationRegistration.Count)
{
Clear();
}
}
public void Clear()
{
lock(this)
{
if(!_cancelTokenSource.IsCancellationRequested)
_cancelTokenSource.Cancel();
foreach (var reg in _cancellationRegistration)
{
reg.Dispose();
}
_cancellationRegistration.Clear();
}
}
}
public class HttpClientUtility
{
public static IResourceNetworkLayer NetworkLayer { get; set; }
//the below comes from servermanfail -> http://stackoverflow.com/questions/2154167/get-just-the-domain-name-from-a-url
static public string GetDomainFromUrl(string Url)
{
return GetDomainFromUrl(new Uri(Url));
}
static public string GetDomainFromUrl(string Url, bool Strict)
{
return GetDomainFromUrl(new Uri(Url), Strict);
}
static public string GetDomainFromUrl(Uri Url)
{
return GetDomainFromUrl(Url, false);
}
static public string GetDomainFromUrl(Uri Url, bool Strict)
{
if (Url == null) return null;
var dotBits = Url.Host.Split('.');
if (dotBits.Length == 1) return Url.Host; //eg http://localhost/blah.php = "localhost"
if (dotBits.Length == 2) return Url.Host; //eg http://blah.co/blah.php = "localhost"
List<string> tlds = new List<string>();
tlds.AddRange(TldPatterns.EXACT);
tlds.AddRange(TldPatterns.UNDER);
tlds.AddRange(TldPatterns.EXCLUDED);
string bestMatch = "";
foreach (var tld in tlds)
{
if (Url.Host.EndsWith(tld, StringComparison.CurrentCultureIgnoreCase))
{
if (tld.Length > bestMatch.Length)
{
if (Url.Host.EndsWith("." + tld, StringComparison.CurrentCultureIgnoreCase))
bestMatch = tld;
}
}
}
if (string.IsNullOrEmpty(bestMatch))
return Url.Host; //eg http://domain.com/blah = "domain.com"
//add the domain name onto tld
string[] bestBits = bestMatch.Split('.');
string[] inputBits = Url.Host.Split('.');
int getLastBits = bestBits.Length + 1;
bestMatch = "";
for (int c = inputBits.Length - getLastBits; c < inputBits.Length; c++)
{
if (bestMatch.Length > 0) bestMatch += ".";
bestMatch += inputBits[c];
}
return bestMatch;
}
// This database was taken from http://guava-libraries.googlecode.com/svn-history/r42/trunk/src/com/google/common/net/TldPatterns.java
// With many thanks to all involved
// GENERATED FILE - DO NOT EDIT
//package com.google.common.net;
//import com.google.common.annotations.GwtCompatible;
//import com.google.common.collect.ImmutableSet;
//import java.util.Set;
/**
* A generated static class containing public members which provide domain
* name patterns used in determining whether a given domain name is an
* effective top-level domain (TLD).
*/
//@GwtCompatible
class TldPatterns
{
private TldPatterns()
{
// Prevent instantiation.
}
/**
* If a hostname is contained in this set, it is a TLD.
*/
static public string[] EXACT = new string[] {
"gov.uk",
"mil.uk",
"ac",
"com.ac",
"edu.ac",
"gov.ac",
"net.ac",
"mil.ac",
"org.ac",
"ad",
"nom.ad",
"ae",
"co.ae",
"net.ae",
"org.ae",
"sch.ae",
"ac.ae",
"gov.ae",
"mil.ae",
"aero",
"accident-investigation.aero",
"accident-prevention.aero",
"aerobatic.aero",
"aeroclub.aero",
"aerodrome.aero",
"agents.aero",
"aircraft.aero",
"airline.aero",
"airport.aero",
"air-surveillance.aero",
"airtraffic.aero",
"air-traffic-control.aero",
"ambulance.aero",
"amusement.aero",
"association.aero",
"author.aero",
"ballooning.aero",
"broker.aero",
"caa.aero",
"cargo.aero",
"catering.aero",
"certification.aero",
"championship.aero",
"charter.aero",
"civilaviation.aero",
"club.aero",
"conference.aero",
"consultant.aero",
"consulting.aero",
"control.aero",
"council.aero",
"crew.aero",
"design.aero",
"dgca.aero",
"educator.aero",
"emergency.aero",
"engine.aero",
"engineer.aero",
"entertainment.aero",
"equipment.aero",
"exchange.aero",
"express.aero",
"federation.aero",
"flight.aero",
"freight.aero",
"fuel.aero",
"gliding.aero",
"government.aero",
"groundhandling.aero",
"group.aero",
"hanggliding.aero",
"homebuilt.aero",
"insurance.aero",
"journal.aero",
"journalist.aero",
"leasing.aero",
"logistics.aero",
"magazine.aero",
"maintenance.aero",
"marketplace.aero",
"media.aero",
"microlight.aero",
"modelling.aero",
"navigation.aero",
"parachuting.aero",
"paragliding.aero",
"passenger-association.aero",
"pilot.aero",
"press.aero",
"production.aero",
"recreation.aero",
"repbody.aero",
"res.aero",
"research.aero",
"rotorcraft.aero",
"safety.aero",
"scientist.aero",
"services.aero",
"show.aero",
"skydiving.aero",
"software.aero",
"student.aero",
"taxi.aero",
"trader.aero",
"trading.aero",
"trainer.aero",
"union.aero",
"workinggroup.aero",
"works.aero",
"af",
"gov.af",
"com.af",
"org.af",
"net.af",
"edu.af",
"ag",
"com.ag",
"org.ag",
"net.ag",
"co.ag",
"nom.ag",
"ai",
"off.ai",
"com.ai",
"net.ai",
"org.ai",
"al",
"com.al",
"edu.al",
"gov.al",
"mil.al",
"net.al",
"org.al",
"am",
"an",
"com.an",
"net.an",
"org.an",
"edu.an",
"ao",
"ed.ao",
"gv.ao",
"og.ao",
"co.ao",
"pb.ao",
"it.ao",
"aq",
"e164.arpa",
"in-addr.arpa",
"ip6.arpa",
"iris.arpa",
"uri.arpa",
"urn.arpa",
"as",
"gov.as",
"asia",
"at",
"ac.at",
"co.at",
"gv.at",
"or.at",
"biz.at",
"info.at",
"priv.at",
"act.edu.au",
"nsw.edu.au",
"nt.edu.au",
"qld.edu.au",
"sa.edu.au",
"tas.edu.au",
"vic.edu.au",
"wa.edu.au",
"act.gov.au",
"nt.gov.au",
"qld.gov.au",
"sa.gov.au",
"tas.gov.au",
"vic.gov.au",
"wa.gov.au",
"aw",
"com.aw",
"ax",
"az",
"com.az",
"net.az",
"int.az",
"gov.az",
"org.az",
"edu.az",
"info.az",
"pp.az",
"mil.az",
"name.az",
"pro.az",
"biz.az",
"ba",
"org.ba",
"net.ba",
"edu.ba",
"gov.ba",
"mil.ba",
"unsa.ba",
"unbi.ba",
"co.ba",
"com.ba",
"rs.ba",
"bb",
"biz.bb",
"com.bb",
"edu.bb",
"gov.bb",
"info.bb",
"net.bb",
"org.bb",
"store.bb",
"be",
"ac.be",
"bf",
"gov.bf",
"bg",
"a.bg",
"b.bg",
"c.bg",
"d.bg",
"e.bg",
"f.bg",
"g.bg",
"h.bg",
"i.bg",
"j.bg",
"k.bg",
"l.bg",
"m.bg",
"n.bg",
"o.bg",
"p.bg",
"q.bg",
"r.bg",
"s.bg",
"t.bg",
"u.bg",
"v.bg",
"w.bg",
"x.bg",
"y.bg",
"z.bg",
"0.bg",
"1.bg",
"2.bg",
"3.bg",
"4.bg",
"5.bg",
"6.bg",
"7.bg",
"8.bg",
"9.bg",
"bh",
"com.bh",
"bi",
"co.bi",
"com.bi",
"edu.bi",
"or.bi",
"org.bi",
"biz",
"bj",
"asso.bj",
"barreau.bj",
"gouv.bj",
"bm",
"com.bm",
"edu.bm",
"gov.bm",
"net.bm",
"org.bm",
"bo",
"com.bo",
"edu.bo",
"gov.bo",
"gob.bo",
"int.bo",
"org.bo",
"net.bo",
"mil.bo",
"tv.bo",
"br",
"adm.br",
"adv.br",
"agr.br",
"am.br",
"arq.br",
"art.br",
"ato.br",
"bio.br",
"blog.br",
"bmd.br",
"can.br",
"cim.br",
"cng.br",
"cnt.br",
"com.br",
"coop.br",
"ecn.br",
"edu.br",
"eng.br",
"esp.br",
"etc.br",
"eti.br",
"far.br",
"flog.br",
"fm.br",
"fnd.br",
"fot.br",
"fst.br",
"g12.br",
"ggf.br",
"gov.br",
"imb.br",
"ind.br",
"inf.br",
"jor.br",
"jus.br",
"lel.br",
"mat.br",
"med.br",
"mil.br",
"mus.br",
"net.br",
"nom.br",
"not.br",
"ntr.br",
"odo.br",
"org.br",
"ppg.br",
"pro.br",
"psc.br",
"psi.br",
"qsl.br",
"rec.br",
"slg.br",
"srv.br",
"tmp.br",
"trd.br",
"tur.br",
"tv.br",
"vet.br",
"vlog.br",
"wiki.br",
"zlg.br",
"bs",
"com.bs",
"net.bs",
"org.bs",
"edu.bs",
"gov.bs",
"bw",
"co.bw",
"org.bw",
"by",
"gov.by",
"mil.by",
"com.by",
"of.by",
"bz",
"com.bz",
"net.bz",
"org.bz",
"edu.bz",
"gov.bz",
"ca",
"ab.ca",
"bc.ca",
"mb.ca",
"nb.ca",
"nf.ca",
"nl.ca",
"ns.ca",
"nt.ca",
"nu.ca",
"on.ca",
"pe.ca",
"qc.ca",
"sk.ca",
"yk.ca",
"gc.ca",
"cat",
"cc",
"cd",
"gov.cd",
"cf",
"cg",
"ch",
"ci",
"org.ci",
"or.ci",
"com.ci",
"co.ci",
"edu.ci",
"ed.ci",
"ac.ci",
"net.ci",
"go.ci",
"asso.ci",
"aéroport.ci",
"int.ci",
"presse.ci",
"md.ci",
"gouv.ci",
"cl",
"gov.cl",
"gob.cl",
"cm",
"gov.cm",
"cn",
"ac.cn",
"com.cn",
"edu.cn",
"gov.cn",
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