private static string ConvertFile(string downloadUrl, string fromExt, Token token)
{
Global.Logger.Debug("GoogleDriveApp: convert file");
if (string.IsNullOrEmpty(downloadUrl))
{
Global.Logger.Error("GoogleDriveApp: downloadUrl is null");
throw new Exception("downloadUrl is null");
}
var request = WebRequest.Create(downloadUrl);
request.Method = "GET";
request.Headers.Add("Authorization", "Bearer " + token.AccessToken);
try
{
using (var response = request.GetResponse())
using (var fileStream = new ResponseStream(response))
{
Global.Logger.Debug("GoogleDriveApp: GetExternalUri - " + downloadUrl);
var key = DocumentServiceConnector.GenerateRevisionId(downloadUrl);
downloadUrl = DocumentServiceConnector.GetExternalUri(fileStream, response.ContentType, key);
}
}
catch (WebException e)
{
Global.Logger.Error("GoogleDriveApp: Error GetExternalUri", e);
request.Abort();
}
var toExt = FileUtility.GetInternalExtension(fromExt);
try
{
Global.Logger.Debug("GoogleDriveApp: GetConvertedUri- " + downloadUrl);
var key = DocumentServiceConnector.GenerateRevisionId(downloadUrl);
DocumentServiceConnector.GetConvertedUri(downloadUrl, fromExt, toExt, key, false, out downloadUrl);
}
catch (Exception e)
{
Global.Logger.Error("GoogleDriveApp: Error GetConvertedUri", e);
}
return downloadUrl;
}
private static string CreateConvertedFile(string driveFile, Token token)
{
var jsonFile = JObject.Parse(driveFile);
var fileName = GetCorrectTitle(jsonFile);
fileName = FileUtility.ReplaceFileExtension(fileName, FileUtility.GetInternalExtension(fileName));
var folderId = (string)jsonFile.SelectToken("parents[0].id");
Global.Logger.Info("GoogleDriveApp: create copy - " + fileName);
var mimeType = (jsonFile.Value<string>("mimeType") ?? "").ToLower();
FileType fileType;
if (GoogleMimeTypes.TryGetValue(mimeType, out fileType))
{
var links = jsonFile["exportLinks"];
if (links == null)
{
Global.Logger.Error("GoogleDriveApp: exportLinks is null");
throw new Exception("exportLinks is null");
}
var internalExt = FileUtility.InternalExtension[fileType];
var requiredMimeType = MimeMapping.GetMimeMapping(internalExt);
var exportLinks = links.ToObject<Dictionary<string, string>>();
var downloadUrl = exportLinks[requiredMimeType] ?? "";
if (string.IsNullOrEmpty(downloadUrl))
{
Global.Logger.Error("GoogleDriveApp: exportLinks without requested mime - " + links);
throw new Exception("exportLinks without requested mime");
}
var request = WebRequest.Create(downloadUrl);
request.Method = "GET";
request.Headers.Add("Authorization", "Bearer " + token.AccessToken);
try
{
using (var response = request.GetResponse())
using (var fileStream = new ResponseStream(response))
{
Global.Logger.Debug("GoogleDriveApp: download exportLink - " + downloadUrl);
driveFile = CreateFile(fileStream, fileName, folderId, token);
}
}
catch (WebException e)
{
Global.Logger.Error("GoogleDriveApp: Error download exportLink", e);
request.Abort();
var httpResponse = (HttpWebResponse)e.Response;
if (httpResponse.StatusCode == HttpStatusCode.Unauthorized && fileType == FileType.Spreadsheet)
{
throw new SecurityException(FilesCommonResource.AppDriveSpreadsheetException, e);
}
}
}
else
{
var downloadUrl = jsonFile.Value<string>("downloadUrl");
var ext = GetCorrectExt(jsonFile);
var convertedUrl = ConvertFile(downloadUrl, ext, token);
driveFile = CreateFile(convertedUrl, fileName, folderId, token);
}
jsonFile = JObject.Parse(driveFile);
return jsonFile.Value<string>("id");
}
private static string CreateFile(string contentUrl, string fileName, string folderId, Token token)
{
if (string.IsNullOrEmpty(contentUrl))
{
Global.Logger.Error("GoogleDriveApp: downloadUrl is null");
throw new Exception("downloadUrl is null");
}
Global.Logger.Debug("GoogleDriveApp: create from - " + contentUrl);
var request = WebRequest.Create(contentUrl);
using (var response = request.GetResponse())
using (var content = new ResponseStream(response))
{
return CreateFile(content, fileName, folderId, token);
}
}
private static string CreateFile(Stream content, string fileName, string folderId, Token token)
{
Global.Logger.Debug("GoogleDriveApp: create file");
var request = (HttpWebRequest)WebRequest.Create(GoogleUrlUpload + "?uploadType=multipart");
using (var tmpStream = new MemoryStream())
{
var boundary = DateTime.UtcNow.Ticks.ToString("x");
var folderdata = string.IsNullOrEmpty(folderId) ? "" : string.Format(",\"parents\":[{{\"id\":\"{0}\"}}]", folderId);
var metadata = string.Format("{{\"title\":\"{0}\"{1}}}", fileName, folderdata);
var metadataPart = string.Format("\r\n--{0}\r\nContent-Type: application/json; charset=UTF-8\r\n\r\n{1}", boundary, metadata);
Global.Logger.Debug("GoogleDriveApp: create file metadataPart - " + metadataPart);
var bytes = Encoding.UTF8.GetBytes(metadataPart);
tmpStream.Write(bytes, 0, bytes.Length);
var mediaPartStart = string.Format("\r\n--{0}\r\nContent-Type: {1}\r\n\r\n", boundary, MimeMapping.GetMimeMapping(fileName));
Global.Logger.Debug("GoogleDriveApp: create file mediaPartStart - " + mediaPartStart);
bytes = Encoding.UTF8.GetBytes(mediaPartStart);
tmpStream.Write(bytes, 0, bytes.Length);
content.CopyTo(tmpStream);
var mediaPartEnd = string.Format("\r\n--{0}--\r\n", boundary);
Global.Logger.Debug("GoogleDriveApp: create file mediaPartEnd - " + mediaPartEnd);
bytes = Encoding.UTF8.GetBytes(mediaPartEnd);
tmpStream.Write(bytes, 0, bytes.Length);
request.Method = "POST";
request.Headers.Add("Authorization", "Bearer " + token.AccessToken);
request.ContentType = "multipart/related; boundary=" + boundary;
request.ContentLength = tmpStream.Length;
Global.Logger.Debug("GoogleDriveApp: create file totalSize - " + tmpStream.Length);
const int bufferSize = 2048;
var buffer = new byte[bufferSize];
int readed;
tmpStream.Seek(0, SeekOrigin.Begin);
while ((readed = tmpStream.Read(buffer, 0, bufferSize)) > 0)
{
request.GetRequestStream().Write(buffer, 0, readed);
}
}
try
{
using (var response = request.GetResponse())
using (var stream = response.GetResponseStream())
{
var result = stream != null ? new StreamReader(stream).ReadToEnd() : null;
Global.Logger.Debug("GoogleDriveApp: create file response - " + result);
return result;
}
}
catch (WebException e)
{
Global.Logger.Error("GoogleDriveApp: Error create file", e);
request.Abort();
var httpResponse = (HttpWebResponse)e.Response;
if (httpResponse.StatusCode == HttpStatusCode.Forbidden)
{
throw new SecurityException(FilesCommonResource.ErrorMassage_SecurityException, e);
}
}
return null;
}
private static string GetDriveFile(string googleFileId, Token token)
{
if (token == null)
{
Global.Logger.Info("GoogleDriveApp: token is null");
throw new SecurityException("Access token is null");
}
var resultResponse = PerformRequest(GoogleUrlFile.Replace("{fileId}", googleFileId), headers: new Dictionary<string, string> { { "Authorization", "Bearer " + token.AccessToken } });
Global.Logger.Debug("GoogleDriveApp: file response - " + resultResponse);
return resultResponse;
}
private static UserInfo GetUserInfo(Token token)
{
if (token == null)
{
Global.Logger.Info("GoogleDriveApp: token is null");
throw new SecurityException("Access token is null");
}
var resultResponse = PerformRequest(GoogleUrlUserInfo.Replace("{access_token}", token.AccessToken));
Global.Logger.Debug("GoogleDriveApp: userinfo response - " + resultResponse);
var googleUserInfo = JObject.Parse(resultResponse);
if (googleUserInfo == null)
{
Global.Logger.Error("Error in userinfo request");
return null;
}
var email = googleUserInfo.Value<string>("email");
var userInfo = CoreContext.UserManager.GetUserByEmail(email);
if (!Equals(userInfo, Constants.LostUser))
{
return userInfo;
}
userInfo = new UserInfo
{
Status = EmployeeStatus.Active,
FirstName = googleUserInfo.Value<string>("given_name"),
LastName = googleUserInfo.Value<string>("family_name"),
Email = email,
Title = string.Empty,
Location = string.Empty,
WorkFromDate = TenantUtil.DateTimeNow(),
};
var cultureName = googleUserInfo.Value<string>("locale") ?? CultureInfo.CurrentUICulture.Name;
var cultureInfo = SetupInfo.EnabledCultures.Find(c => String.Equals(c.TwoLetterISOLanguageName, cultureName, StringComparison.InvariantCultureIgnoreCase));
if (cultureInfo != null)
{
userInfo.CultureName = cultureInfo.Name;
}
if (string.IsNullOrEmpty(userInfo.FirstName))
{
userInfo.FirstName = FilesCommonResource.UnknownFirstName;
}
if (string.IsNullOrEmpty(userInfo.LastName))
{
userInfo.LastName = FilesCommonResource.UnknownLastName;
}
var pwd = UserManagerWrapper.GeneratePassword();
UserInfo newUserInfo;
try
{
SecurityContext.AuthenticateMe(ASC.Core.Configuration.Constants.CoreSystem);
newUserInfo = UserManagerWrapper.AddUser(userInfo, pwd);
}
finally
{
SecurityContext.Logout();
}
var linker = new AccountLinker("webstudio");
linker.AddLink(newUserInfo.ID.ToString(), googleUserInfo.Value<string>("id") ?? "", ProviderConstants.OpenId);
UserHelpTourHelper.IsNewUser = true;
PersonalSettings.IsNewUser = true;
Global.Logger.Debug("GoogleDriveApp: new user " + newUserInfo.ID);
return newUserInfo;
}
public static Token FromJson(String json)
{
if (string.IsNullOrEmpty(json)) return null;
var parser = JObject.Parse(json);
if (parser == null) return null;
var accessToken = parser.Value<string>("access_token");
if (String.IsNullOrEmpty(accessToken))
return null;
var token = new Token
{
_accessToken = accessToken,
RefreshToken = parser.Value<string>("refresh_token"),
};
double expiresIn;
if (double.TryParse(parser.Value<string>("expires_in"), out expiresIn))
token.ExpiresIn = expiresIn;
DateTime timestamp;
if (DateTime.TryParse(parser.Value<string>("timestamp"), out timestamp))
token.Timestamp = timestamp;
return token;
}
private static string EncryptToken(Token token)
{
var t = token.ToJson();
return string.IsNullOrEmpty(t) ? string.Empty : InstanceCrypto.Encrypt(t);
}
public static void SaveToken(Token token)
{
using (var db = new DbManager(FileConstant.DatabaseId))
{
var queryInsert = new SqlInsert(TableTitle, true)
.InColumnValue("user_id", SecurityContext.CurrentAccount.ID.ToString())
.InColumnValue("token", EncryptToken(token))
.InColumnValue("tenant_id", CoreContext.TenantManager.GetCurrentTenant().TenantId);
db.ExecuteNonQuery(queryInsert);
}
}
