/// <summary>
/// Check if duplicate document exists
/// </summary>
/// <param name="clientContext">SP client context</param>
/// <param name="documentLibraryName">Name of the document library</param>
/// <param name="folderName">Name of the folder</param>
/// <param name="isMailUpload">Mail upload check</param>
/// <param name="folderPath">The folder path.</param>
/// <param name="contentCheck">Content check object</param>
/// <param name="uploadFileName">Name of the file.</param>
/// <returns>message as per duplicate exists or not</returns>
internal static bool CheckDuplicateDocument(ClientContext clientContext, string documentLibraryName, bool isMailUpload, string folderPath, ContentCheckDetails contentCheck, string uploadFileName, bool allowContentCheck, ref string message)
{
DuplicateDocument duplicateDocument = ServiceUtility.DocumentExists(clientContext, contentCheck, documentLibraryName, folderPath, isMailUpload);
if (duplicateDocument.DocumentExists)
{
string documentPath = string.Concat(ServiceConstantStrings.SiteURL, folderPath, ConstantStrings.ForwardSlash, uploadFileName);
string duplicateMessage = (allowContentCheck && duplicateDocument.HasPotentialDuplicate) ? ConstantStrings.FilePotentialDuplicateMessage : ConstantStrings.FileAlreadyExistMessage;
message = string.Format(CultureInfo.InvariantCulture, "{0}{1}{1}{1}{2}", string.Format(CultureInfo.InvariantCulture, duplicateMessage, uploadFileName, documentPath), ConstantStrings.SymbolAt, duplicateDocument.HasPotentialDuplicate.ToString());
}
return duplicateDocument.DocumentExists;
}
/// <summary>
/// Checks if document exists.
/// </summary>
/// <param name="clientContext">SP client context</param>
/// <param name="fileName">Name of the file.</param>
/// <param name="documentLibraryName">Name of the document library.</param>
/// <param name="folderPath">Path of the folder.</param>
/// <returns>Returns true in case of Document presence</returns>
public static DuplicateDocument DocumentExists(ClientContext clientContext, ContentCheckDetails contentCheck, string documentLibraryName, string folderPath, bool isMail)
{
DuplicateDocument duplicateDocument = new DuplicateDocument(false, false);
if (null != clientContext && null != contentCheck && !string.IsNullOrEmpty(documentLibraryName) && !string.IsNullOrEmpty(folderPath))
{
string serverRelativePath = folderPath + ConstantStrings.ForwardSlash + contentCheck.FileName;
ListItemCollection listItemCollection = null;
string camlQuery = string.Format(CultureInfo.InvariantCulture, ConstantStrings.GetAllFilesInFolderQuery, serverRelativePath);
listItemCollection = Lists.GetData(clientContext, documentLibraryName, camlQuery);
duplicateDocument.DocumentExists = (null != listItemCollection && 0 < listItemCollection.Count) ? true : false;
// Check file size, from, sent date as well.
if (duplicateDocument.DocumentExists)
{
// check for other conditions as well.
ListItem listItem = listItemCollection.FirstOrDefault();
DateTime sentDate, storedFileSentDate;
long fileSize = Convert.ToInt64(listItem.FieldValues[ConstantStrings.SearchEmailFileSize], CultureInfo.InvariantCulture);
if (isMail)
{
// check for subject, from and sent date
string subject = Convert.ToString(listItem.FieldValues[ConstantStrings.SearchEmailSubject], CultureInfo.InvariantCulture);
string from = Convert.ToString(listItem.FieldValues[ConstantStrings.SearchEmailFrom], CultureInfo.InvariantCulture);
bool isValidDateFormat;
isValidDateFormat = DateTime.TryParse(Convert.ToString(listItem.FieldValues[ConstantStrings.SearchEmailSentDate], CultureInfo.InvariantCulture), out storedFileSentDate);
isValidDateFormat &= DateTime.TryParse(contentCheck.SentDate, out sentDate);
if (isValidDateFormat)
{
TimeSpan diffrence = sentDate - storedFileSentDate;
uint tolleranceMin = Convert.ToUInt16(ConstantStrings.SentDateTolerance, CultureInfo.InvariantCulture); // up to how much minutes difference between uploaded files is tolerable
duplicateDocument.HasPotentialDuplicate = ((fileSize == contentCheck.FileSize) && (subject.Trim() == contentCheck.Subject.Trim()) && (from.Trim() == contentCheck.FromField.Trim()) && (diffrence.Minutes < tolleranceMin));
}
}
else
{
duplicateDocument.HasPotentialDuplicate = (fileSize == contentCheck.FileSize);
}
}
}
return duplicateDocument;
}
/// <summary>
/// Uploads the file to SharePoint.
/// </summary>
/// <param name="request">Web request object</param>
protected string UploadFileToSharePoint(HttpRequest request)
{
HttpFileCollection fileCollection = Request.Files;
Regex regEx = new Regex("[*?|\\\t/:\"\"'<>#{}%~&]");
string sharePointAppToken = Request.Form["SPAppToken"];
string refreshToken = Request.Form["RefreshToken"];
string clientUrl = Request.Form["ClientUrl"];
string folderName = Request.Form["FolderName"];
string documentLibraryName = Request.Form["DocumentLibraryName"];
string originalName = string.Empty;
bool allowContentCheck = Convert.ToBoolean(Request.Form["AllowContentCheck"], CultureInfo.InvariantCulture);
bool continueUpload = true;
Int16 isOverwrite = 3;
IList<string> listResponse = new List<string>();
string response = string.Empty;
bool environment = Convert.ToBoolean(UIConstantStrings.IsDeployedOnAzure, CultureInfo.InvariantCulture);
try
{
if (!environment || ((!string.IsNullOrWhiteSpace(sharePointAppToken) || !string.IsNullOrWhiteSpace(refreshToken)) && !string.IsNullOrWhiteSpace(clientUrl) && !string.IsNullOrWhiteSpace(folderName)))
{
for (int fileCounter = 0; fileCounter < fileCollection.Count; fileCounter++)
{
if (!Int16.TryParse(Request.Form["Overwrite" + fileCounter], out isOverwrite))
{
isOverwrite = 3;
}
HttpPostedFile upload = fileCollection[fileCounter];
//// Added condition to check if upload.FileName returns the complete path or just the file name
string fileName = originalName = upload.FileName;
ContentCheckDetails contentCheck = new ContentCheckDetails(upload.FileName, upload.InputStream.Length);
string fileExtension = System.IO.Path.GetExtension(upload.FileName).Trim();
continueUpload = true;
if (-1 < fileName.IndexOf('\\'))
{
fileName = fileName.Substring(fileName.LastIndexOf('\\') + 1);
}
else if (-1 < fileName.IndexOf('/'))
{
fileName = fileName.Substring(fileName.LastIndexOf('/') + 1);
}
if (null != upload.InputStream && 0 == upload.InputStream.Length)
{
listResponse.Add(string.Format(CultureInfo.InvariantCulture, "{0}{1}{1}{1}{2}", ConstantStrings.ErrorEmptyFile, ConstantStrings.DOLLAR, fileName));
}
else
{
if (regEx.IsMatch(fileName))
{
listResponse.Add(string.Format(CultureInfo.InvariantCulture, "{0}{1}{1}{1}{2}", UIConstantStrings.ErrorInvalidCharacter, ConstantStrings.DOLLAR, fileName));
}
else
{
using (ClientContext clientContext = ServiceUtility.GetClientContext(sharePointAppToken, new Uri(clientUrl), refreshToken, Request))
{
string folder = folderName.Substring(folderName.LastIndexOf(ConstantStrings.ForwardSlash, StringComparison.OrdinalIgnoreCase) + 1);
if (2 == isOverwrite) //If User presses "Perform content check" option in overwrite Popup
{
continueUpload = false;
response = PerformContentCheck(folderName, listResponse, response, upload, clientContext);
}
else if (3 == isOverwrite) //If user presses "Cancel upload" option in overwrite popup or file is being uploaded for the first time
{
continueUpload = CheckDuplicateDocument(clientContext, folderName, documentLibraryName, listResponse, fileName, contentCheck, allowContentCheck);
}
else if (1 == isOverwrite) //If User presses "Append date to file name and save" option in overwrite Popup
{
string fileNameWithoutExt = System.IO.Path.GetFileNameWithoutExtension(fileName);
string timeStampSuffix = DateTime.Now.ToString(UIConstantStrings.TimeStampFormat, CultureInfo.InvariantCulture).Replace(":", "_");
fileName = fileNameWithoutExt + "_" + timeStampSuffix + fileExtension;
}
if (continueUpload)
{
listResponse = SetDocumentProperties(request, refreshToken, upload, fileExtension, originalName, listResponse, folderName, fileName, clientContext, folder, documentLibraryName);
}
}
}
}
}
foreach (var item in listResponse)
{
response += string.Concat(item, ConstantStrings.DOLLAR, ConstantStrings.Pipe, ConstantStrings.DOLLAR);
}
}
else
{
response = UIConstantStrings.MessageNoInputs;
}
}
catch (Exception exception)
{
Logger.LogError(exception, MethodBase.GetCurrentMethod().DeclaringType.Name, MethodBase.GetCurrentMethod().Name, UIConstantStrings.LogTableName);
response = string.Format(CultureInfo.InvariantCulture, "{0}{1}{1}{1}{2}", exception.Message, ConstantStrings.DOLLAR, documentLibraryName);
}
return response;
}
/// <summary>
/// checks for duplicate document to upload
/// </summary>
/// <param name="folderName">Path of the folder</param>
/// <param name="documentLibraryName">Name of the document library</param>
/// <param name="listResponse">List of responses</param>
/// <param name="fileName">Name of the file.</param>
/// <param name="contentCheck">Content check object</param>
/// <param name="clientContext">SP client context</param>
/// <param name="folder">Name of the folder</param>
/// <returns>true if duplicate document found</returns>
private static bool CheckDuplicateDocument(ClientContext clientContext, string folderName, string documentLibraryName, IList<string> listResponse, string fileName, ContentCheckDetails contentCheck, bool allowContentCheck)
{
bool continueUpload = true;
DuplicateDocument duplicateDocument = ServiceUtility.DocumentExists(clientContext, contentCheck, documentLibraryName, folderName, false);
if (duplicateDocument.DocumentExists)
{
continueUpload = false;
string documentPath = string.Concat(UIConstantStrings.SiteURL, folderName, ConstantStrings.ForwardSlash, fileName);
string duplicateMessage = (allowContentCheck && duplicateDocument.HasPotentialDuplicate) ? ConstantStrings.FilePotentialDuplicateMessage : ConstantStrings.FileAlreadyExistMessage;
listResponse.Add(string.Format(CultureInfo.InvariantCulture, "{0}{1}{1}{1}{2}", string.Format(CultureInfo.InvariantCulture, duplicateMessage, fileName, documentPath), ConstantStrings.SymbolAt, Convert.ToString(duplicateDocument.HasPotentialDuplicate, CultureInfo.InvariantCulture)));
}
return continueUpload;
}
/// <summary>
/// Reads the XMLDocument and determines whether the request is to upload entire mail/attachment/.eml file/.msg file and calls respective method.
/// </summary>
/// <param name="isOverwrite">Overwrite check</param>
/// <param name="documentLibraryName">Name of the document library</param>
/// <param name="folderName">Name of the folder</param>
/// <param name="webResponse">HTTP web response to get the response stream</param>
/// <param name="isMailUpload">Mail Upload Flag</param>
/// <param name="requestObject">request object for web</param>
/// <param name="client">Service Client Object</param>
/// <param name="fileName">Name of the file</param>
/// <param name="folderPath">upload folder path</param>
/// <param name="message">Reference object for the message to be returned</param>
/// <returns>Returns whether File Uploaded successfully or failed</returns>
internal static string UploadFilesMail(bool isOverwrite, bool isContentCheckRequired, bool allowContentCheck, string documentLibraryName, HttpWebResponse webResponse, bool isMailUpload, RequestObject requestObject, Client client, string fileName, string folderPath, ref string message)
{
bool isMsg = true;
MailMetaData mailMetaData = new MailMetaData();
var bytes = (dynamic)null;
string mailMessage = string.Empty;
string originalName = string.Empty;
string xmlPath = string.Empty;
string result = ConstantStrings.UploadSucceeded;
ContentCheckDetails contentCheck = null;
try
{
XmlDocument xmlDocument = RetrieveXMLDocument(webResponse);
XmlNamespaceManager nsmgr = new XmlNamespaceManager(xmlDocument.NameTable);
nsmgr.AddNamespace("s", ConstantStrings.SoapEnvelopURI);
nsmgr.AddNamespace("m", ConstantStrings.ExchangeServiceMessage);
nsmgr.AddNamespace("t", ConstantStrings.ExchangeServiceTypes);
string extension = System.IO.Path.GetExtension(fileName).Trim();
string uploadFileName = UploadHelperFunctionsUtility.RemoveSpecialChar(fileName);
if (xmlDocument.SelectSingleNode("/s:Envelope/s:Body/m:GetAttachmentResponse/m:ResponseMessages/m:GetAttachmentResponseMessage/m:Attachments/t:FileAttachment/t:Content", nsmgr) != null)
{
isMsg = false;
}
if (string.IsNullOrEmpty(extension) && isMsg)
{
uploadFileName = uploadFileName + ConstantStrings.EmailFileExtension;
}
using (ClientContext clientContext = ServiceUtility.GetClientContext(requestObject.SPAppToken, new Uri(client.Url), requestObject.RefreshToken))
{
if (isMailUpload)
{
bytes = GetEmailProperties(xmlDocument, ref mailMetaData);
}
else
{
bytes = UploadHelperFunctionsUtility.GetStream(xmlDocument, nsmgr, isMailUpload, extension, isMsg);
}
if (null != bytes)
{
using (MemoryStream memoryStream = new MemoryStream(bytes))
{
contentCheck = new ContentCheckDetails(uploadFileName, mailMetaData.mailSubject, memoryStream.Length, mailMetaData.mailSender, mailMetaData.sentDate);
}
}
if (!isOverwrite && !isContentCheckRequired && UploadHelperFunctionsUtility.CheckDuplicateDocument(clientContext, documentLibraryName, isMailUpload, folderPath, contentCheck, uploadFileName, allowContentCheck, ref message))
{
result = ConstantStrings.UploadFailed;
}
else if (isContentCheckRequired)
{
message = UploadHelperFunctionsUtility.PerformContentCheckUtility(isMailUpload, folderPath, isMsg, xmlDocument, nsmgr, extension, uploadFileName, clientContext);
result = ConstantStrings.UploadFailed;
}
else
{
if (isMailUpload) //Upload entire Email
{
UploadMail(requestObject, client, folderPath, fileName, documentLibraryName, xmlDocument, ref message);
}
else
{
if (string.IsNullOrEmpty(extension) && isMsg) //Upload .msg file
{
UploadAttachedMailExtBlank(requestObject, client, folderPath, fileName, documentLibraryName, xmlDocument, ref message);
}
else
{
if (string.Equals(extension, ConstantStrings.EmailFileExtension, StringComparison.OrdinalIgnoreCase))
{
UploadEMLFile(documentLibraryName, requestObject, client, folderPath, fileName, ref message, xmlDocument, nsmgr, ref mailMetaData, ref bytes, extension);
}
else
{
//get original name
xmlPath = "/s:Envelope/s:Body/m:GetAttachmentResponse/m:ResponseMessages/m:GetAttachmentResponseMessage/m:Attachments/t:FileAttachment/t:Name";
originalName = RetrieveNodeValue(xmlDocument, nsmgr, xmlPath, true);
//get attachment content
xmlPath = "/s:Envelope/s:Body/m:GetAttachmentResponse/m:ResponseMessages/m:GetAttachmentResponseMessage/m:Attachments/t:FileAttachment/t:Content";
mailMessage = RetrieveNodeValue(xmlDocument, nsmgr, xmlPath, false);
bytes = Convert.FromBase64String(mailMessage);
using (MemoryStream memoryStream = new MemoryStream(bytes))
{
mailMetaData.mailImportance = string.Empty;
mailMetaData.mailSubject = string.Empty;
mailMetaData.originalName = originalName;
if (!UploadToFolder(requestObject, client, folderPath, fileName, string.Empty, memoryStream, documentLibraryName, mailMetaData, ref message))
{
result = ConstantStrings.UploadFailed;
}
}
}
}
}
if (!string.IsNullOrEmpty(message))
{
result = ConstantStrings.UploadFailed;
}
}
}
}
catch (Exception exception)
{
Logger.LogError(exception, MethodBase.GetCurrentMethod().DeclaringType.Name, MethodBase.GetCurrentMethod().Name, ServiceConstantStrings.LogTableName);
result = ConstantStrings.UploadFailed;
}
return result;
}