public async Task <HttpResponseMessage> CheckFileInfo(string file_id)
{
var checkFileInfoRequest = new CheckFileInfoRequest(this.Request, file_id);
WopiResponse wopiResponse = null;
try
{
if (await Authorize(checkFileInfoRequest))
{
if (await WopiProof.Validate(checkFileInfoRequest))
{
wopiResponse = await CheckFileInfo(checkFileInfoRequest);
}
else
{
wopiResponse = checkFileInfoRequest.ResponseServerError("Proof validation failed");
}
}
else
{
wopiResponse = checkFileInfoRequest.ResponseUnauthorized();
}
}
catch (Exception ex)
{
wopiResponse = checkFileInfoRequest.ResponseServerError(ex.Message);
}
return(wopiResponse.ToHttpResponse());
}
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)));
}
}