public override async Task <WopiResponse> CheckFileInfo(CheckFileInfoRequest checkFileInfoRequest)
{
// Lookup the file in the database
var itemId = new Guid(checkFileInfoRequest.ResourceId);
var wopiFile = DocumentDBRepository <DetailedFileModel> .GetItem("Files", file => file.id == itemId);
// Check for null file
if (wopiFile != null)
{
// Get discovery information
var fileExt = wopiFile.BaseFileName.Substring(wopiFile.BaseFileName.LastIndexOf('.') + 1).ToLower();
var actions = await WopiDiscovery.GetActions();
// Augments the file with additional properties CloseUrl, HostViewUrl, HostEditUrl
wopiFile.CloseUrl = String.Format("https://{0}", checkFileInfoRequest.RequestUri.Authority);
var view = actions.FirstOrDefault(i => i.ext == fileExt && i.name == "view");
if (view != null)
{
wopiFile.HostViewUrl = WopiDiscovery.GetActionUrl(view, wopiFile.id.ToString(), checkFileInfoRequest.RequestUri.Authority);
}
var edit = actions.FirstOrDefault(i => i.ext == fileExt && i.name == "edit");
if (edit != null)
{
wopiFile.HostEditUrl = WopiDiscovery.GetActionUrl(edit, wopiFile.id.ToString(), checkFileInfoRequest.RequestUri.Authority);
}
// Get the user from the token (token is already validated)
wopiFile.UserId = WopiSecurity.GetUserFromToken(checkFileInfoRequest.AccessToken);
// Write the response and return a success 200
var wopiResponse = checkFileInfoRequest.ResponseOK(wopiFile.BaseFileName, wopiFile.OwnerId, wopiFile.Size, wopiFile.UserId, wopiFile.Version.ToString());
// Add optional items
wopiResponse.CloseUrl = new Uri(wopiFile.CloseUrl);
if (wopiFile.HostViewUrl != null)
{
wopiResponse.HostViewUrl = new Uri(wopiFile.HostViewUrl);
}
if (wopiFile.HostEditUrl != null)
{
wopiResponse.HostEditUrl = new Uri(wopiFile.HostEditUrl);
}
return(wopiResponse);
}
else
{
return(checkFileInfoRequest.ResponseNotFound());
}
}
public override async Task <WopiResponse> CheckFileInfo(CheckFileInfoRequest checkFileInfoRequest)
{
var userId = WopiSecurity.GetIdentityNameFromToken(checkFileInfoRequest.AccessToken);
// For this demo server, determine tenant by host part of email address
var tenant = new MailAddress(userId).Host.Replace(".", "-");
// Lookup the file in the database using special repository method which grants access limited access to users in same tenant (same email domain)
var wopiFileRepository = new WopiFileRepository();
var response = await wopiFileRepository.GetFileInfoByTenantUser(checkFileInfoRequest.ResourceId, userId, tenant);
// Check for null file
if (response.Item1 == HttpStatusCode.NotFound)
{
return(checkFileInfoRequest.ResponseNotFound());
}
else if (response.Item1 == HttpStatusCode.OK)
{
var wopiFile = response.Item2;
// Get discovery information
var actions = await WopiDiscovery.GetActions();
string hostViewUrl = null, hostEditUrl = null;
var closeUrl = String.Format("https://{0}", checkFileInfoRequest.RequestUri.Authority);
var view = actions.FirstOrDefault(i => i.ext == wopiFile.FileExtension && i.name == "view");
if (view != null)
{
hostViewUrl = WopiDiscovery.GetActionUrl(view, wopiFile.FileId.ToString(), checkFileInfoRequest.RequestUri.Authority);
}
var edit = actions.FirstOrDefault(i => i.ext == wopiFile.FileExtension && i.name == "edit");
if (edit != null)
{
hostEditUrl = WopiDiscovery.GetActionUrl(edit, wopiFile.FileId.ToString(), checkFileInfoRequest.RequestUri.Authority);
}
// Write the response and return a success 200
var wopiResponse = checkFileInfoRequest.ResponseOK(wopiFile.FileName, wopiFile.OwnerId, wopiFile.Size, userId, wopiFile.Version.ToString());
// Add optional items
wopiResponse.CloseUrl = new Uri(closeUrl);
if (hostViewUrl != null)
{
wopiResponse.HostViewUrl = new Uri(hostViewUrl);
}
if (hostEditUrl != null)
{
wopiResponse.HostEditUrl = new Uri(hostEditUrl);
}
wopiResponse.UserInfo = wopiFile.FilePermissions.First().UserInfo;
return(wopiResponse);
}
else
{
return(checkFileInfoRequest.ResponseServerError(string.Format("Unknown response from WopiFileRepository.GetFileInfoByTenantUser: {0}", response.Item1)));
}
}