/// <summary>
/// Processes a PutRelativeFile request
/// </summary>
/// <remarks>
/// For full documentation on PutRelativeFile, see https://wopi.readthedocs.org/projects/wopirest/en/latest/files/PutRelativeFile.html
/// </remarks>
private async static Task<HttpResponseMessage> PutRelativeFile(this HttpContext context, DetailedFileModel file, List<WopiAction> actions)
{
// Determine the specific mode
if (context.Request.Headers[WopiRequestHeaders.RELATIVE_TARGET] != null &&
context.Request.Headers[WopiRequestHeaders.SUGGESTED_TARGET] != null)
{
// Theses headers are mutually exclusive, so we should return a 501 Not Implemented
return returnStatus(HttpStatusCode.NotImplemented, "Both RELATIVE_TARGET and SUGGESTED_TARGET were present");
}
else if (context.Request.Headers[WopiRequestHeaders.RELATIVE_TARGET] != null ||
context.Request.Headers[WopiRequestHeaders.SUGGESTED_TARGET] != null)
{
string fileName = "";
if (context.Request.Headers[WopiRequestHeaders.RELATIVE_TARGET] != null)
{
// Specific mode...use the exact filename
fileName = context.Request.Headers[WopiRequestHeaders.RELATIVE_TARGET];
}
else
{
// Suggested mode...might just be an extension
fileName = context.Request.Headers[WopiRequestHeaders.RELATIVE_TARGET];
if (fileName.IndexOf('.') == 0)
fileName = file.BaseFileName.Substring(0, file.BaseFileName.LastIndexOf('.')) + fileName;
}
// Create the file entity
DetailedFileModel newFile = new DetailedFileModel()
{
id = Guid.NewGuid(),
OwnerId = file.OwnerId,
BaseFileName = fileName,
Size = context.Request.InputStream.Length,
Container = file.Container,
Version = 1
};
// First stream the file into blob storage
var stream = context.Request.InputStream;
var bytes = new byte[stream.Length];
await stream.ReadAsync(bytes, 0, (int)stream.Length);
var id = await Utils.AzureStorageUtil.UploadFile(newFile.id.ToString(), newFile.Container, bytes);
// Write the details into documentDB
await DocumentDBRepository<FileModel>.CreateItemAsync("Files", (FileModel)newFile);
// Get access token for the new file
WopiSecurity security = new WopiSecurity();
var token = security.GenerateToken(newFile.OwnerId, newFile.Container, newFile.id.ToString());
var tokenStr = security.WriteToken(token);
// Prepare the Json response
string json = String.Format("{ 'Name': '{0}, 'Url': 'https://{1}/wopi/files/{2}?access_token={3}'",
newFile.BaseFileName, context.Request.Url.Authority, newFile.id.ToString(), tokenStr);
// Add the optional properties to response if applicable (HostViewUrl, HostEditUrl)
var fileExt = newFile.BaseFileName.Substring(newFile.BaseFileName.LastIndexOf('.') + 1).ToLower();
var view = actions.FirstOrDefault(i => i.ext == fileExt && i.name == "view");
if (view != null)
json += String.Format(", 'HostViewUrl': '{0}'", WopiUtil.GetActionUrl(view, newFile, context.Request.Url.Authority));
var edit = actions.FirstOrDefault(i => i.ext == fileExt && i.name == "edit");
if (edit != null)
json += String.Format(", 'HostEditUrl': '{0}'", WopiUtil.GetActionUrl(edit, newFile, context.Request.Url.Authority));
json += " }";
// Write the response and return a success 200
var response = returnStatus(HttpStatusCode.OK, "Success");
response.Content = new StringContent(json);
return response;
}
else
{
return returnStatus(HttpStatusCode.BadRequest, "PutRelativeFile mode was not provided in the request");
}
}
public async Task<ActionResult> Add()
{
try
{
// Create the file entity
DetailedFileModel file = new DetailedFileModel()
{
id = Guid.NewGuid(),
OwnerId = User.Identity.Name.ToLower(),
BaseFileName = HttpUtility.UrlDecode(Request["HTTP_X_FILE_NAME"]),
Size = Convert.ToInt32(Request["HTTP_X_FILE_SIZE"]),
Container = getUserContainer(),
Version = 1
};
// Populate valid actions for each of the files
await file.PopulateActions();
// First stream the file into blob storage
var stream = Request.InputStream;
var bytes = new byte[stream.Length];
await stream.ReadAsync(bytes, 0, (int)stream.Length);
var id = await Utils.AzureStorageUtil.UploadFile(file.id.ToString(), file.Container, bytes);
// Write the details into documentDB
await DocumentDBRepository<FileModel>.CreateItemAsync("Files", (FileModel)file);
// Return json representation of information
return Json(new { success = true, file = file });
}
catch (Exception)
{
// Something failed...return false
return Json(new { success = false });
}
}
