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utils.cs
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utils.cs
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using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.Serialization;
using System.Reflection;
using System.Threading;
using System.Net;
using System.IO;
using System.Diagnostics;
namespace TwitchAdUtils
{
class Program
{
static string ClientID = "kimne78kx3ncx6brgo4mv6wki5h1ko";//ilfexgv3nnljz3isbm257gzwrzr7bi - Xtra for Twitch
static string UserAgentChrome = "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36";
static string UserAgentFirefox = "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:84.0) Gecko/20100101 Firefox/84.0";
static string UserAgent = UserAgentChrome;
static bool UseOldAccessToken = false;
static bool UseAccessTokenTemplate = false;
static bool ShouldNotifyAdWatched = false;
static bool ShouldNotifyAdWatchedMin = true;
static bool ShouldDenyAd = false;
static bool UseFastBread = true;// fast_bread (EXT-X-TWITCH-PREFETCH)
static string PlayerTypeNormal = "site";//embed squad_secondary squad_primary
static string PlayerTypeMiniNoAd = "picture-by-picture";//"thunderdome";
static string PlayerTypeEmbed = "embed";
static string Platform = "web";
static string PlayerBackend = "mediaplayer";
static string MainM3U8AdditionalParams = "";
static string AdSignifier = "stitched-ad";
static string ProxyUrl = "";
static int TargetResolution = 480;
static TimeSpan LoopDelay = TimeSpan.FromSeconds(1);
enum RunnerMode
{
Normal,
MiniNoAd,
Proxy,
Embed
}
static void Main(string[] args)
{
ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072;
ServicePointManager.ServerCertificateValidationCallback += (sender, cert, chain, sslPolicyErrors) => true;
if (args.Length >= 1 && args[0] == "build_scripts")
{
// This takes "base.user.js" and updates all of the other scripts based on the cfg values
BuildScripts();
return;
}
if (args.Length >= 1 && args[0] == "m3u8")
{
// Tests modifications of m3u8 files
Console.WriteLine("Starting local server (http://localhost)");
TwitchTestServer testServer = new TwitchTestServer();
testServer.Start(80);
Console.ReadLine();
return;
}
Console.Write("Enter channel name: ");
string channel = Console.ReadLine().ToLower();
Console.WriteLine("Fetching channel '" + channel + "'");
RunImpl(RunnerMode.Normal, channel);
//RunImpl(RunnerMode.Embed, channel);
//RunImpl(RunnerMode.MiniNoAd, channel);
}
static void BuildScripts()
{
string[] deprecated = { "dyn-skip-midroll-alt", "dyn-skip-midroll", "dyn-video-swap", "dyn", "dyn-skip" };
string baseScriptName = "base";
string suffixConfg = ".cfg";
string suffixUserscript = ".user.js";
string suffixUblock = "-ublock-origin.js";
string baseFile = Path.Combine(baseScriptName, baseScriptName + ".user.js");
if (File.Exists(baseFile))
{
foreach (string dir in Directory.GetDirectories(Environment.CurrentDirectory))
{
DirectoryInfo dirInfo = new DirectoryInfo(dir);
if (dirInfo.Name != baseScriptName && !deprecated.Contains(dirInfo.Name))
{
string cfgFile = Path.Combine(dir, dirInfo.Name + suffixConfg);
string userscriptFile = Path.Combine(dir, dirInfo.Name + suffixUserscript);
string ublockFile = Path.Combine(dir, dirInfo.Name + suffixUblock);
if (File.Exists(userscriptFile) && File.Exists(ublockFile) && File.Exists(cfgFile))
{
Dictionary<string, string> cfgValues = new Dictionary<string, string>();
string[] cfgLines = File.ReadAllLines(cfgFile);
for (int i = 0; i < cfgLines.Length; i++)
{
string line = cfgLines[i];
if (!string.IsNullOrEmpty(line))
{
int spaceIndex = line.IndexOf(' ');
if (spaceIndex > 0)
{
cfgValues["scope." + line.Substring(0, spaceIndex).Trim() + " "] = line.Substring(spaceIndex + 1).Trim();
}
}
}
Console.WriteLine(dir);
foreach (KeyValuePair<string, string> val in cfgValues)
{
Console.WriteLine(val.Key + "= " + val.Value);
}
Console.WriteLine("=============================");
StringBuilder sbUserscript = new StringBuilder();
StringBuilder sbUblock = new StringBuilder();
string[] lines = File.ReadAllLines(baseFile);
bool modifiedOptions = false;
bool foundUserScriptEnd = false;
for (int i = 0; i < lines.Length; i++)
{
string line = lines[i];
string lineTrimmed = line.Trim();
if (lineTrimmed.StartsWith("// Modify options based on mode"))
{
modifiedOptions = true;
}
if (lineTrimmed.StartsWith("// @name "))
{
line = line += " (" + dirInfo.Name + ")";
}
if (lineTrimmed.StartsWith("// @description"))
{
string url = "https://github.com/pixeltris/TwitchAdSolutions/raw/master/" + dirInfo.Name + "/" + dirInfo.Name + suffixUserscript;
sbUserscript.AppendLine("// @updateURL " + url);
sbUserscript.AppendLine("// @downloadURL " + url);
line = line += " (" + dirInfo.Name + ")";
}
if (!modifiedOptions)
{
if (!foundUserScriptEnd)
{
sbUserscript.AppendLine(line);
if (line.Contains("/UserScript"))
{
sbUblock.AppendLine("twitch-videoad.js application/javascript");
foundUserScriptEnd = true;
}
}
else if (lineTrimmed.StartsWith("'use strict'"))
{
sbUserscript.AppendLine(line);
sbUblock.AppendLine(" if ( /(^|\\.)twitch\\.tv$/.test(document.location.hostname) === false ) { return; }");
}
else
{
foreach (KeyValuePair<string, string> val in cfgValues)
{
if (line.Contains(val.Key))
{
line = line.Substring(0, line.IndexOf(val.Key) + val.Key.Length) + "= " + val.Value + ";";
break;
}
}
sbUserscript.AppendLine(line);
sbUblock.AppendLine(line);
}
}
else
{
sbUserscript.AppendLine(line);
sbUblock.AppendLine(line);
}
}
File.WriteAllText(userscriptFile, sbUserscript.ToString());
File.WriteAllText(ublockFile, sbUblock.ToString());
}
}
}
}
}
static void Run(RunnerMode mode, string channel)
{
Thread thread = new Thread(delegate()
{
RunImpl(mode, channel);
});
thread.IsBackground = true;
thread.Start();
}
static string RunImpl(RunnerMode mode, string channel, bool isFetchingM3U8 = false, bool forceSkipAd = false)
{
string playerType = PlayerTypeNormal;
switch (mode)
{
case RunnerMode.MiniNoAd:
playerType = PlayerTypeMiniNoAd;
break;
case RunnerMode.Embed:
playerType = PlayerTypeEmbed;
break;
}
string cookies = null;
string uniqueId = null;
int cycle = 0;
while (true)
{
if (string.IsNullOrEmpty(cookies))
{
using (CookieAwareWebClient wc = new CookieAwareWebClient())
{
wc.Proxy = null;
wc.Headers["Accept"] = "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9";
wc.DownloadString("https://www.twitch.tv/" + channel);
cookies = ProcessCookies(wc.Cookies, out uniqueId);
//Console.WriteLine("unique_id: " + uniqueId);
}
}
if (string.IsNullOrEmpty(uniqueId))
{
Console.WriteLine("unique_id is null");
return null;
}
using (WebClient wc = new WebClient())
{
string response = null, token = null, sig = null;
wc.Proxy = null;
if (mode != RunnerMode.Proxy)
{
if (UseOldAccessToken)
{
wc.Headers.Clear();
wc.Headers["client-id"] = ClientID;
wc.Headers["accept"] = "application/vnd.twitchtv.v5+json; charset=UTF-8";
wc.Headers["accept-encoding"] = "gzip, deflate, br";
wc.Headers["accept-language"] = "en-us";
wc.Headers["content-type"] = "application/json; charset=UTF-8";
wc.Headers["origin"] = "https://www.twitch.tv";
wc.Headers["referer"] = "https://www.twitch.tv/";
wc.Headers["user-agent"] = UserAgent;
wc.Headers["x-requested-with"] = "XMLHttpRequest";
wc.Headers["cookie"] = cookies;
response = wc.DownloadString("https://api.twitch.tv/api/channels/" + channel + "/access_token?oauth_token=undefined&need_https=true&platform=" + Platform + "&player_type=" + playerType + "&player_backend=" + PlayerBackend);
if (!string.IsNullOrEmpty(response))
{
TwitchAccessTokenOld tokenInfo = JSONSerializer<TwitchAccessTokenOld>.DeSerialize(response);
if (tokenInfo != null && !string.IsNullOrEmpty(tokenInfo.token) && !string.IsNullOrEmpty(tokenInfo.sig))
{
token = tokenInfo.token;
sig = tokenInfo.sig;
}
}
}
else
{
wc.Headers.Clear();
wc.Headers["client-id"] = ClientID;
wc.Headers["Device-ID"] = uniqueId;
wc.Headers["accept"] = "*/*";
wc.Headers["accept-encoding"] = "gzip, deflate, br";
wc.Headers["accept-language"] = "en-us";
wc.Headers["content-type"] = "text/plain; charset=UTF-8";
wc.Headers["origin"] = "https://www.twitch.tv";
wc.Headers["referer"] = "https://www.twitch.tv/";
wc.Headers["user-agent"] = UserAgent;
if (UseAccessTokenTemplate)
{
response = wc.UploadString("https://gql.twitch.tv/gql", @"{""operationName"":""PlaybackAccessToken_Template"",""query"":""query PlaybackAccessToken_Template($login: String!, $isLive: Boolean!, $vodID: ID!, $isVod: Boolean!, $playerType: String!) { streamPlaybackAccessToken(channelName: $login, params: {platform: \""" + Platform + @"\"", playerBackend: \""" + PlayerBackend + @"\"", playerType: $playerType}) @include(if: $isLive) { value signature __typename } videoPlaybackAccessToken(id: $vodID, params: {platform: \""" + Platform + @"\"", playerBackend: \""" + PlayerBackend + @"\"", playerType: $playerType}) @include(if: $isVod) { value signature __typename }}"",""variables"":{""isLive"":true,""login"":""" + channel + @""",""isVod"":false,""vodID"":"""",""playerType"":""" + playerType + @"""}}");
}
else
{
response = wc.UploadString("https://gql.twitch.tv/gql", @"{""operationName"":""PlaybackAccessToken"",""variables"":{""isLive"":true,""login"":""" + channel + @""",""isVod"":false,""vodID"":"""",""playerType"":""" + playerType + @"""},""extensions"":{""persistedQuery"":{""version"":1,""sha256Hash"":""0828119ded1c13477966434e15800ff57ddacf13ba1911c129dc2200705b0712""}}}");
}
if (!string.IsNullOrEmpty(response))
{
TwitchAccessToken tokenInfo = JSONSerializer<TwitchAccessToken>.DeSerialize(response);
if (tokenInfo != null && tokenInfo.data != null && tokenInfo.data.streamPlaybackAccessToken != null &&
!string.IsNullOrEmpty(tokenInfo.data.streamPlaybackAccessToken.value) && !string.IsNullOrEmpty(tokenInfo.data.streamPlaybackAccessToken.signature))
{
token = tokenInfo.data.streamPlaybackAccessToken.value;
sig = tokenInfo.data.streamPlaybackAccessToken.signature;
}
}
}
}
if (mode == RunnerMode.Proxy || !string.IsNullOrEmpty(token))
{
string url = null;
if (mode == RunnerMode.Proxy)
{
url = ProxyUrl + channel;
}
else
{
string additionalParams = "";
if (UseFastBread)
{
additionalParams += "&fast_bread=true";
}
url = "https://usher.ttvnw.net/api/channel/hls/" + channel + ".m3u8?allow_source=true" + additionalParams + "&sig=" + sig + "&token=" + System.Web.HttpUtility.UrlEncode(token) + MainM3U8AdditionalParams;
}
if (isFetchingM3U8)
{
if (!forceSkipAd || cycle > 0)
{
return url;
}
}
wc.Headers.Clear();
wc.Headers["accept"] = "application/x-mpegURL, application/vnd.apple.mpegurl, application/json, text/plain";
wc.Headers["host"] = "usher.ttvnw.net";
wc.Headers["cookie"] = "DNT=1;";
wc.Headers["DNT"] = "1";
wc.Headers["user-agent"] = UserAgent;
string encodingsM3u8 = wc.DownloadString(url);
if (!string.IsNullOrEmpty(encodingsM3u8))
{
string[] lines = encodingsM3u8.Split('\n');
string info = lines.FirstOrDefault(x => x.Contains("EXT-X-TWITCH-INFO"));
bool isFuture = false;
if (info != null)
{
Dictionary<string, string> attr = ParseAttributes(info);
string futureStr;
if (attr.TryGetValue("FUTURE", out futureStr))
{
isFuture = bool.Parse(futureStr);
}
}
string streamM3u8Url = lines.FirstOrDefault(x => x.EndsWith(".m3u8"));
if (!string.IsNullOrEmpty(streamM3u8Url))
{
bool foundAd = true;
while (foundAd)
{
string streamM3u8 = wc.DownloadString(streamM3u8Url);
if (!string.IsNullOrEmpty(streamM3u8Url))
{
if (streamM3u8.Contains(AdSignifier))
{
Console.WriteLine("has ad " + DateTime.Now.TimeOfDay + " - " + mode + " - future:" + isFuture);
if (ShouldDenyAd)
{
DeclineAd(uniqueId, streamM3u8, sig, token, true);
DeclineAd(uniqueId, streamM3u8, sig, token, false);
}
}
else
{
Console.WriteLine("no ad " + DateTime.Now.TimeOfDay + " - " + mode + " - future:" + isFuture);
}
if ((streamM3u8.Contains(AdSignifier) || forceSkipAd) &&
(!UseOldAccessToken && (ShouldNotifyAdWatched || forceSkipAd)))
{
NotifyWatchedAd(uniqueId, streamM3u8);
}
}
else
{
Console.WriteLine("Failed to fetch streamM3u8Url");
}
if (!ShouldDenyAd)
{
break;
}
else
{
Thread.Sleep(LoopDelay);
}
}
}
else
{
Console.WriteLine("Failed to find streamM3u8Url");
}
}
else
{
Console.WriteLine("Failed to fetch encodingsM3u8");
}
}
else
{
Console.WriteLine("Failed to get stream token");
}
}
Thread.Sleep(LoopDelay);
cycle++;
}
}
static Dictionary<string, string> ParseAttributes(string tag)
{
string tagName;
return ParseAttributes(tag, out tagName);
}
static Dictionary<string, string> ParseAttributes(string tag, out string tagName)
{
// TODO: Improve this
Dictionary<string, string> result = new Dictionary<string, string>();
tagName = null;
int tagDataSplitIndex = tag.IndexOf(':');
if (tagDataSplitIndex > 0)
{
tagName = tag.Substring(0, tagDataSplitIndex);
tag = tag.Substring(tagDataSplitIndex + 1);
string[] splitted = tag.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string str in splitted)
{
int index = str.IndexOf('=');
if (index > 0)
{
result[str.Substring(0, index)] = str.Substring(index + 1).Trim('\"');
}
}
}
return result;
}
static TValue GetOrDefault<TKey, TValue>(Dictionary<TKey, TValue> dict, TKey key, TValue defaultValue = default(TValue))
{
TValue result;
if (dict.TryGetValue(key, out result))
{
return result;
}
return defaultValue;
}
static void DeclineAd(string uniqueId, string streamM3u8, string sig, string token, bool first)
{
string[] lines = streamM3u8.Split('\n');
for (int i = 0; i < lines.Length; i++)
{
if (lines[i].Contains(AdSignifier))
{
Dictionary<string, string> attr = ParseAttributes(lines[i]);
Dictionary<string, string> vals = new Dictionary<string, string>();
vals["TARG_adSessionID"] = GetOrDefault(attr, "X-TV-TWITCH-AD-AD-SESSION-ID");
vals["TARG_sig"] = sig;
vals["TARG_token"] = token.Replace("\"", "\\\"");
string str = null;
//string str = @"[{""operationName"":""VideoAdRequestDecline"",""variables"":{""context"":{""adSessionID"":""TARG_adSessionID"",""clientContext"":""{\""isAudioOnly\"":false,\""isMiniTheater\"":false,\""isPIP\"":true,\""isUsingExternalPlayback\"":false}"",""isAudioOnly"":false,""isMiniTheater"":false,""isPIP"":false,""isUsingExternalPlayback"":false,""duration"":30,""isVLM"":false,""rollType"":""PREROLL""}},""extensions"":{""persistedQuery"":{""version"":1,""sha256Hash"":""6f5d9fdc36a3c879cca7debdbe21c62d5cac4ad5b30b635263eff68335b96a71""}}}]";
if (first)
str = @"[{""operationName"":""VideoAdRequestDecline"",""variables"":{""context"":{""adSessionID"":""TARG_adSessionID"",""clientContext"":{""isAudioOnly"":false,""isMiniTheater"":false,""isPIP"":false,""isUsingExternalPlayback"":false},""duration"":30,""playerContext"":{""contentType"":""LIVE"",""isAutoPlay"":true,""nauthSig"":""TARG_sig"",""nauthToken"":""TARG_token""},""rollType"":""PREROLL"",""isVLM"":false,""commercialID"":""""}},""extensions"":{""persistedQuery"":{""version"":1,""sha256Hash"":""6f5d9fdc36a3c879cca7debdbe21c62d5cac4ad5b30b635263eff68335b96a71""}}}]";
else
{
vals["TARG_ad_session_id"] = GetOrDefault(attr, "X-TV-TWITCH-AD-AD-SESSION-ID");
vals["TARG_radToken"] = GetOrDefault(attr, "X-TV-TWITCH-AD-RADS-TOKEN");
str = @"[{""operationName"":""ClientSideAdEventHandling_RecordAdEvent"",""variables"":{""input"":{""eventName"":""video_ad_request_declined"",""eventPayload"":""{\""reason_channeladfree\"":false,\""reason_channelsub\"":false,\""reason_vod_ads_disabled\"":false,\""reason_bounty\"":false,\""reason_vod_midroll\"":false,\""reason_stream_broadcaster\"":false,\""reason_embed_promo\"":false,\""reason_p4m\"":false,\""reason_lt\"":false,\""reason_raid\"":false,\""reason_midroll_during_preroll\"":false,\""reason_ratelimit\"":false,\""reason_short_vod\"":false,\""reason_turbo\"":false,\""reason_vod_creator\"":false,\""reason_wp\"":false,\""reason_zagd\"":false,\""reason_zagu\"":false,\""reason_midlimit\"":false,\""reason_amazon_product_page\"":false,\""reason_animated_thumbnails\"":false,\""reason_creative_player\"":false,\""reason_dashboard\"":false,\""reason_facebook\"":false,\""reason_frontpage\"":false,\""reason_highlighter\"":false,\""reason_onboarding\"":false,\""reason_pbyp\"":false,\""reason_squad_stream_secondary_player\"":false,\""reason_thunderdome\"":true,\""reason_embed\"":false,\""twitch_correlator\"":\""\"",\""ad_session_id\"":\""TARG_ad_session_id\"",\""roll_type\"":\""preroll\"",\""time_break\"":30}"",""radToken"":""TARG_radToken""}},""extensions"":{""persistedQuery"":{""version"":1,""sha256Hash"":""7e6c69e6eb59f8ccb97ab73686f3d8b7d85a72a0298745ccd8bfc68e4054ca5b""}}}]";
}
foreach (KeyValuePair<string, string> val in vals)
{
str = str.Replace(val.Key, val.Value);
}
//Console.WriteLine(str);
using (WebClient wc = new WebClient())
{
wc.Proxy = null;
wc.Headers["Client-Id"] = ClientID;
wc.Headers["X-Device-Id"] = uniqueId;
wc.Headers["accept"] = "*/*";
wc.Headers["accept-encoding"] = "gzip, deflate, br";
wc.Headers["accept-language"] = "en-us";
wc.Headers["content-type"] = "text/plain; charset=UTF-8";
wc.Headers["origin"] = "https://www.twitch.tv";
wc.Headers["referer"] = "https://www.twitch.tv/";
wc.Headers["user-agent"] = UserAgent;
string st2 = wc.UploadString("https://gql.twitch.tv/gql", str);
Console.WriteLine(st2);
}
return;
}
}
}
static void SendGqlAdEvent(WebClient wc, string eventName, bool includeAdInfo, int adQuartile, int adPos, Dictionary<string, string> vals)
{
// TARG_eventName TARG_roll_type TARG_radToken TARG_adInfo
// TARG_ad_id TARG_ad_position TARG_duration TARG_creative_id TARG_total_ads TARG_order_id TARG_line_item_id TARG_quartile
string str = @"[{""operationName"":""ClientSideAdEventHandling_RecordAdEvent"",""variables"":{""input"":{""eventName"":""TARG_eventName"",""eventPayload"":""{\""player_mute\"":false,\""player_volume\"":0.5,\""visible\"":true,\""roll_type\"":\""TARG_roll_type\"",\""stitched\"":trueTARG_adInfo}"",""radToken"":""TARG_radToken""}},""extensions"":{""persistedQuery"":{""version"":1,""sha256Hash"":""7e6c69e6eb59f8ccb97ab73686f3d8b7d85a72a0298745ccd8bfc68e4054ca5b""}}}]";
string strAdInfo = @",\""ad_id\"":\""TARG_ad_id\"",\""ad_position\"":TARG_ad_position,\""duration\"":TARG_duration,\""creative_id\"":\""TARG_creative_id\"",\""total_ads\"":TARG_total_ads,\""order_id\"":\""TARG_order_id\"",\""line_item_id\"":\""TARG_line_item_id\""TARG_quartile";
vals["TARG_eventName"] = eventName;
vals["TARG_quartile"] = adQuartile > 0 ? (@",\""quartile\"":" + adQuartile) : string.Empty;
if (includeAdInfo)
{
foreach (KeyValuePair<string, string> val in vals)
{
strAdInfo = strAdInfo.Replace(val.Key, val.Value);
}
vals["TARG_adInfo"] = strAdInfo;
}
else
{
vals["TARG_adInfo"] = "";
}
foreach (KeyValuePair<string, string> val in vals)
{
str = str.Replace(val.Key, val.Value);
}
//Console.WriteLine(str);
Console.WriteLine("SendGqlAdEvent " + eventName + " adinfo: " + includeAdInfo + " quartile: " + adQuartile + " adPos: " + adPos);
wc.UploadString("https://gql.twitch.tv/gql", str);
}
static void NotifyWatchedAd(string uniqueId, string streamM3u8)
{
string[] lines = streamM3u8.Split('\n');
for (int i = 0; i < lines.Length; i++)
{
if (lines[i].Contains(AdSignifier))
{
Dictionary<string, string> attr = ParseAttributes(lines[i]);
Dictionary<string, string> vals = new Dictionary<string, string>();
vals["TARG_roll_type"] = GetOrDefault(attr, "X-TV-TWITCH-AD-ROLL-TYPE", "preroll").ToLower();
vals["TARG_radToken"] = GetOrDefault(attr, "X-TV-TWITCH-AD-RADS-TOKEN");
vals["TARG_ad_id"] = GetOrDefault(attr, "X-TV-TWITCH-AD-ADVERTISER-ID");
vals["TARG_duration"] = "30";
vals["TARG_creative_id"] = GetOrDefault(attr, "X-TV-TWITCH-AD-CREATIVE-ID");
vals["TARG_total_ads"] = GetOrDefault(attr, "X-TV-TWITCH-AD-POD-LENGTH", "1");
vals["TARG_order_id"] = GetOrDefault(attr, "X-TV-TWITCH-AD-ORDER-ID");
vals["TARG_line_item_id"] = GetOrDefault(attr, "X-TV-TWITCH-AD-LINE-ITEM-ID");
using (WebClient wc = new WebClient())
{
wc.Proxy = null;
wc.Headers["Client-Id"] = ClientID;
wc.Headers["X-Device-Id"] = uniqueId;
wc.Headers["accept"] = "*/*";
wc.Headers["accept-encoding"] = "gzip, deflate, br";
wc.Headers["accept-language"] = "en-us";
wc.Headers["content-type"] = "text/plain; charset=UTF-8";
wc.Headers["origin"] = "https://www.twitch.tv";
wc.Headers["referer"] = "https://www.twitch.tv/";
wc.Headers["user-agent"] = UserAgent;
if (ShouldNotifyAdWatchedMin)
{
SendGqlAdEvent(wc, "video_ad_pod_complete", false, 0, 0, vals);
}
else
{
int totalAds = int.Parse(vals["TARG_total_ads"]);
for (int adPos = 0; adPos < totalAds; adPos++)
{
vals["TARG_ad_position"] = adPos.ToString();
SendGqlAdEvent(wc, "video_ad_impression", true, 0, adPos, vals);
for (int quartile = 1; quartile <= 4; quartile++)
{
SendGqlAdEvent(wc, "video_ad_quartile_complete", true, quartile, adPos, vals);
}
SendGqlAdEvent(wc, "video_ad_pod_complete", false, 0, adPos, vals);
}
}
}
break;
}
}
//Console.WriteLine(streamM3u8);
}
static string ProcessCookies(string str)
{
string uniqueId;
return ProcessCookies(str, out uniqueId);
}
static string ProcessCookies(string str, out string uniqueId)
{
uniqueId = null;
string result = string.Empty;
string[] cookies = str.Split(',');
foreach (string cookie in cookies)
{
if (cookie.Split(';')[0].Contains('='))
{
string[] splitted = cookie.Split(';')[0].Split('=');
if (splitted.Length >= 2 && splitted[0] == "unique_id")
{
uniqueId = splitted[1];
}
result += cookie.Split(';')[0] + ";";
}
}
return result;
}
[DataContract]
public class TwitchAccessTokenOld
{
[DataMember]
public string token { get; set; }
[DataMember]
public string sig { get; set; }
}
[DataContract]
public class TwitchAccessToken
{
[DataMember]
public TwitchAccessToken_data data { get; set; }
}
[DataContract]
public class TwitchAccessToken_data
{
[DataMember]
public TwitchAccessToken_streamPlaybackAccessToken streamPlaybackAccessToken { get; set; }
}
[DataContract]
public class TwitchAccessToken_streamPlaybackAccessToken
{
[DataMember]
public string value { get; set; }
[DataMember]
public string signature { get; set; }
}
class CookieAwareWebClient : WebClient
{
public CookieContainer CookieContainer { get; set; }
public Uri Uri { get; set; }
public string Cookies { get; private set; }
public CookieAwareWebClient()
: this(new CookieContainer())
{
}
public CookieAwareWebClient(CookieContainer cookies)
{
this.CookieContainer = new CookieContainer();
}
protected override WebResponse GetWebResponse(WebRequest request)
{
WebResponse response = base.GetWebResponse(request);
string setCookieHeader = response.Headers.Get("Set-Cookie");
Cookies = setCookieHeader;
return response;
}
}
static class JSONSerializer<TType> where TType : class
{
public static TType DeSerialize(string json)
{
return TinyJson.JSONParser.FromJson<TType>(json);
}
}
class TwitchTestServer
{
const string RecordDir = "recordings";
Dictionary<string, State> states = new Dictionary<string, State>();
class State
{
public bool IsReplay = false;
public string RecordingName = null;
public string RecordingPath = null;
public string ChannelName = null;
public string UrlChRecName { get { return ChannelName + "|" + RecordingName; } }
public string M3U8Normal = null;
public string M3U8Mini = null;
public string M3U8Alt = null;
public Dictionary<string, Dictionary<string, string>> M3U8Map = new Dictionary<string, Dictionary<string, string>>();
public Stopwatch Stopwatch = new Stopwatch();
public State(string channelName, string name)
{
ChannelName = channelName;
RecordingName = name;
RecordingPath = Path.GetFullPath(Path.Combine(RecordDir, name));
try
{
if (!Directory.Exists(RecordingPath))
{
Directory.CreateDirectory(RecordingPath);
}
}
catch
{
}
}
public void Clear()
{
M3U8Map.Clear();
Stopwatch.Restart();
try
{
while (Directory.Exists(RecordingPath))
{
Directory.Delete(RecordingPath, true);
}
}
catch
{
}
try
{
if (!Directory.Exists(RecordingPath))
{
Directory.CreateDirectory(RecordingPath);
}
}
catch
{
}
}
public void Load()
{
M3U8Map.Clear();
Stopwatch.Restart();
IsReplay = true;
}
}
private Thread thread;
private HttpListener listener;
public void Start(int port)
{
Stop();
thread = new Thread(delegate()
{
listener = new HttpListener();
listener.Prefixes.Add("http://*:" + port + "/");
listener.Start();
while (listener != null)
{
try
{
HttpListenerContext context = listener.GetContext();
Process(context);
}
catch
{
}
}
});
thread.SetApartmentState(ApartmentState.STA);
thread.Start();
}
public void Stop()
{
if (listener != null)
{
try
{
listener.Stop();
}
catch
{
}
listener = null;
}
if (thread != null)
{
try
{
thread.Abort();
}
catch
{
}
thread = null;
}
}
private void Process(HttpListenerContext context)
{
try
{
string url = context.Request.Url.OriginalString;
//Console.WriteLine("req " + DateTime.Now.TimeOfDay + " - " + url);
string response = string.Empty;
string contentType = "text/html";
if (url.Contains("favicon.ico"))
{
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
context.Response.OutputStream.Close();
return;
}
byte[] responseBuffer = null;
if (context.Request.Url.Segments.Length == 1 && context.Request.Url.Segments[0] == "/")
{
response = "<html><script src='utils.js'></script></html>";
}
else if (context.Request.Url.Segments.Length == 2 && context.Request.Url.Segments[1] == "utils.js")
{
response = File.ReadAllText("utils.js");
}
else if (context.Request.Url.Segments.Length >= 3)
{
string[] reqTypeSplitted = context.Request.Url.Segments[1].Trim('/').Split('_');
string reqType = reqTypeSplitted[0].ToLower();
string reqStreamType = reqTypeSplitted.Length > 1 ? reqTypeSplitted[1] : null;
string[] splitted = context.Request.Url.Segments[2].Trim('/').ToLower().Replace("%7c", "|").Split('|');
string channelName = splitted[0];
string recordingName = splitted[1];
if (!string.IsNullOrEmpty(channelName) && !string.IsNullOrEmpty(recordingName))
{
State state;
if (!states.TryGetValue(recordingName, out state))
{
states[recordingName] = state = new State(channelName, recordingName);
}
switch (reqType)
{
case "record-begin":
{
state.Clear();
string normal = RunImpl(RunnerMode.Normal, channelName, true);
if (!string.IsNullOrEmpty(normal))
{
string mini = RunImpl(RunnerMode.MiniNoAd, channelName, true);
if (!string.IsNullOrEmpty(mini))
{
//string alt = RunImpl(RunnerMode.Proxy, channelName, true);
//string alt = RunImpl(RunnerMode.Normal, channelName, true, true);
string alt = RunImpl(RunnerMode.Embed, channelName, true);
state.M3U8Normal = normal;
state.M3U8Mini = mini;
state.M3U8Alt = alt;
response = "ok";
}
}
}
break;
case "replay-begin":
{
DirectoryInfo dir = new DirectoryInfo(Path.Combine(RecordDir, recordingName));
if (dir.Exists && dir.GetFiles().Length > 0)
{
state.Load();
response = "ok";
}
}
break;
case "m3u8":
{
string type = reqTypeSplitted[1].ToLower();
string m3u8Url = null;
switch (type)
{
case "normal":
case "output":
m3u8Url = state.M3U8Normal;
break;
case "mini":
m3u8Url = state.M3U8Mini;
break;
case "alt":
m3u8Url = state.M3U8Alt;
break;
}
if (!string.IsNullOrEmpty(m3u8Url))
{
response = GetM3U8(state, m3u8Url, reqStreamType, true);
}
}
break;
case "m3u8-sub":
{
string type = reqTypeSplitted[1].ToLower();
string m3u8Url = null;
if (!state.IsReplay)
{
m3u8Url = GetM3U8Url(state, reqStreamType);
}
if (!string.IsNullOrEmpty(m3u8Url) || state.IsReplay)
{
response = GetM3U8(state, m3u8Url, reqStreamType, false);
}
}
break;
case "m3u8-seg":
{
// TODO: Load segment, return as binary file
}
break;
default:
Console.WriteLine("Unhandled request '" + reqType + "'");
break;
}
}
}
if (responseBuffer == null)
{
responseBuffer = Encoding.UTF8.GetBytes(response == null ? string.Empty : response.ToString());
}
context.Response.ContentType = contentType;
context.Response.ContentEncoding = Encoding.UTF8;
context.Response.ContentLength64 = responseBuffer.Length;
context.Response.OutputStream.Write(responseBuffer, 0, responseBuffer.Length);
context.Response.OutputStream.Flush();
context.Response.StatusCode = (int)HttpStatusCode.OK;
}
catch (Exception e)
{
Console.WriteLine(e);
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
}
context.Response.OutputStream.Close();
}
private string DownloadM3U8(string url)
{
try
{
using (WebClient wc = new WebClient())
{
wc.Proxy = null;
wc.Headers["accept"] = "application/x-mpegURL, application/vnd.apple.mpegurl, application/json, text/plain";
wc.Headers["host"] = "usher.ttvnw.net";
wc.Headers["cookie"] = "DNT=1;";
wc.Headers["DNT"] = "1";
wc.Headers["user-agent"] = UserAgent;
return wc.DownloadString(url);
}
}
catch (Exception e)
{
//Console.WriteLine(url);
Console.WriteLine(e);
return null;
}
}
private string GetM3U8Url(State state, string reqStreamType)
{
Dictionary<string, string> m3u8Map;
if (state.M3U8Map.TryGetValue(reqStreamType, out m3u8Map) && m3u8Map.Count > 0)
{
string resUrl = null;
int res = int.MaxValue;
string backupUrl = null;
foreach (KeyValuePair<string, string> mappedUrl in m3u8Map)
{
if (mappedUrl.Key.Contains("x"))
{
int val;
if (int.TryParse(mappedUrl.Key.Split('x')[1], out val))
{
if (backupUrl == null)
{
backupUrl = mappedUrl.Value;
}
if (val < res && val >= TargetResolution)
{
res = val;
resUrl = mappedUrl.Value;
}
}
}
}
if (string.IsNullOrEmpty(resUrl))
{
resUrl = backupUrl;
}
return resUrl;
}
return null;
}
private string GetM3U8(State state, string url, string reqStreamType, bool isMain)
{
string m3u8 = null;
string backupUrl = null;
if (state.IsReplay)
{
// TODO: Load replay m3u8
}
else
{
m3u8 = DownloadM3U8(url);
if (reqStreamType == "output")
{
backupUrl = GetM3U8Url(state, "mini");
}
}
if (string.IsNullOrEmpty(m3u8))
{
return null;
}
if (!state.M3U8Map.ContainsKey(reqStreamType))
{
state.M3U8Map[reqStreamType] = new Dictionary<string, string>();