CharacterAuthInfo InstallAuthToken(Stream stream)
{
StreamReader sr = new StreamReader(stream);
string json = sr.ReadToEnd();
AuthToken token = JsonConvert.DeserializeObject <AuthToken>(json);
CharacterAuthInfo authInfo = UnpackToken(token);
List <CharacterAuthInfo> authInfos = ReadAuthTokens();
for (int i = 0; i < authInfos.Count; i++)
{
if (authInfos[i].CharacterID == authInfo.CharacterID)
{
authInfos.RemoveAt(i);
i--;
}
}
authInfos.Add(authInfo);
WriteAuthTokens(authInfos);
return(authInfo);
}
public CharacterAuthInfo RefreshToken(CharacterAuthInfo authInfo)
{
byte[] requestData;
{
StringBuilder tokenSB = new StringBuilder();
tokenSB.Append("grant_type=refresh_token");
tokenSB.Append("&refresh_token=");
tokenSB.Append(WebUtility.UrlEncode(authInfo.RefreshToken));
tokenSB.Append("&client_id=");
tokenSB.Append(this.clientID);
string tokenStr = tokenSB.ToString();
requestData = Encoding.ASCII.GetBytes(tokenStr);
}
HttpWebRequest webRequest = WebRequest.CreateHttp("https://login.eveonline.com/v2/oauth/token");
webRequest.Method = "POST";
webRequest.ContentType = "application/x-www-form-urlencoded";
webRequest.Host = "login.eveonline.com";
webRequest.ContentLength = requestData.Length;
Stream rq = webRequest.GetRequestStream();
rq.Write(requestData, 0, requestData.Length);
rq.Close();
WebResponse response = webRequest.GetResponse();
Stream responseStream = response.GetResponseStream();
return(InstallAuthToken(responseStream));
}
static CharacterAuthInfo UnpackToken(AuthToken authToken)
{
string[] tokenParts = authToken.access_token.Split('.');
byte[] payload = UrlSafeBase64Decode(tokenParts[1]);
JsonTextReader reader = new JsonTextReader(new StringReader(Encoding.ASCII.GetString(payload)));
JObject rootObject = (JObject)JToken.ReadFrom(reader);
JToken subToken;
if (!rootObject.TryGetValue("sub", out subToken))
{
throw new Exception("Missing 'sub' in JWT token");
}
JValue subValue = (JValue)subToken;
string packedSubID = (string)subValue.Value;
string charPrefix = "CHARACTER:EVE:";
if (!packedSubID.StartsWith(charPrefix))
{
throw new Exception("Malformed(?) character ID");
}
JToken nameToken;
if (!rootObject.TryGetValue("name", out nameToken))
{
throw new Exception("Missing character name");
}
CharacterAuthInfo authInfo = new CharacterAuthInfo();
authInfo.AccessToken = authToken.access_token;
authInfo.RefreshToken = authToken.refresh_token;
authInfo.ExpirationTimeUTC = DateTime.UtcNow.AddSeconds(authToken.expires_in);
authInfo.CharacterID = long.Parse(packedSubID.Substring(charPrefix.Length));
authInfo.CharacterName = (string)((JValue)nameToken).Value;
return(authInfo);
}
public string Authorize(long characterID)
{
int index = -1;
for (int i = 0; i < authInfos.Count; i++)
{
if (authInfos[i].CharacterID == characterID)
{
index = i;
}
}
if (index == -1)
{
throw new Exception("Bad character ID");
}
CharacterAuthInfo authInfo = authInfos[index];
double expiryTolerance = 60.0;
double timeToExpiry = authInfo.ExpirationTimeUTC.Subtract(DateTime.UtcNow).TotalSeconds;
if (timeToExpiry < expiryTolerance)
{
Console.WriteLine("Auth token expired for " + authInfo.CharacterName + ", getting a new one...");
authInfo = RefreshToken(authInfo);
if (authInfo == null)
{
authInfos.RemoveAt(index);
return(null);
}
else
{
authInfos[index] = authInfo;
}
}
return(authInfo.AccessToken);
}
List <CharacterAuthInfo> ReadAuthTokens()
{
string authTokensPath = GetRootDirectory() + "/" + tokenFilePath;
try
{
using (StreamReader sr = new StreamReader(authTokensPath))
{
List <CharacterAuthInfo> authInfos = new List <CharacterAuthInfo>();
int version = int.Parse(sr.ReadLine());
if (version != TokenFileVersion)
{
return(authInfos);
}
int numTokens = int.Parse(sr.ReadLine());
for (int i = 0; i < numTokens; i++)
{
CharacterAuthInfo authInfo = new CharacterAuthInfo();
authInfo.CharacterName = sr.ReadLine();
authInfo.CharacterID = long.Parse(sr.ReadLine());
authInfo.ExpirationTimeUTC = DateTime.FromBinary(long.Parse(sr.ReadLine()));
authInfo.AccessToken = sr.ReadLine();
authInfo.RefreshToken = sr.ReadLine();
authInfos.Add(authInfo);
}
return(authInfos);
}
}
catch (Exception)
{
Console.WriteLine("Auth tokens file was unreadable or doesn't exist, creating a new one.");
return(new List <CharacterAuthInfo>());
}
}
public void InstallTokenFromUri(string uri)
{
if (!uri.StartsWith(callbackURI + "?"))
{
Console.WriteLine("Invalid callback URI");
Environment.ExitCode = -1;
return;
}
Dictionary <string, string> queryParams = new Dictionary <string, string>();
foreach (string kvp in uri.Substring(callbackURI.Length + 1).Split('&'))
{
int split = kvp.IndexOf('=');
string key, value;
if (split < 0)
{
key = kvp;
value = "";
}
else
{
key = kvp.Substring(0, split);
value = kvp.Substring(split + 1);
}
queryParams[WebUtility.UrlDecode(key)] = WebUtility.UrlDecode(value);
}
string pendingAuthPath = GetRootDirectory() + "/" + this.pendingAuthPath;
if (!File.Exists(pendingAuthPath))
{
Console.WriteLine("No pending authorization was found");
Environment.ExitCode = -1;
CloseoutCountdown(10);
return;
}
string keyBase64;
string expectedState;
using (StreamReader sr = new StreamReader(pendingAuthPath))
{
keyBase64 = sr.ReadLine();
expectedState = sr.ReadLine();
}
if (expectedState != queryParams["state"])
{
Console.WriteLine("State from ESI didn't match pending auth, something's weird.");
Environment.ExitCode = -1;
CloseoutCountdown(10);
return;
}
string code = queryParams["code"];
byte[] requestData;
{
StringBuilder tokenSB = new StringBuilder();
tokenSB.Append("grant_type=authorization_code");
tokenSB.Append("&code=");
tokenSB.Append(WebUtility.UrlEncode(code));
tokenSB.Append("&client_id=");
tokenSB.Append(clientID);
tokenSB.Append("&code_verifier=");
tokenSB.Append(keyBase64);
string tokenStr = tokenSB.ToString();
requestData = Encoding.ASCII.GetBytes(tokenStr);
}
HttpWebRequest webRequest = WebRequest.CreateHttp("https://login.eveonline.com/v2/oauth/token");
webRequest.Method = "POST";
webRequest.ContentType = "application/x-www-form-urlencoded";
webRequest.Host = "login.eveonline.com";
webRequest.ContentLength = requestData.Length;
Stream rq = webRequest.GetRequestStream();
rq.Write(requestData, 0, requestData.Length);
rq.Close();
Console.WriteLine("Requesting authorization...");
WebResponse response = webRequest.GetResponse();
Stream responseStream = response.GetResponseStream();
CharacterAuthInfo authInfo = InstallAuthToken(responseStream);
Console.WriteLine("Authorization was successful! Installed token for character " + authInfo.CharacterName);
CloseoutCountdown(10);
}
