public bool UpdateMarkdown(IPwdManService pwdManService, string authenticationToken, long id, string markdown)
{
logger.LogDebug("Update markdown for item ID {id}...", id);
var user = pwdManService.GetUserFromToken(authenticationToken);
if (!pwdManService.HasRole(user, "usermanager"))
{
throw new AccessDeniedPermissionException();
}
var dbContext = pwdManService.GetDbContext();
var docItem = dbContext.DbDocItems.
Include(item => item.Content).
SingleOrDefault(item => item.OwnerId == user.Id && item.Id == id);
if (docItem == null || docItem.Type != DbDocItemType.Item || !docItem.Name.EndsWith(".md"))
{
throw new InvalidParameterException();
}
var sum = dbContext.DbDocItems.Where(item => item.Type == DbDocItemType.Item && item.OwnerId == user.Id).Sum(item => item.Size);
sum -= docItem.Size;
var bytes = Encoding.UTF8.GetBytes(markdown);
var size = bytes.Length;
if (sum + size > user.StorageQuota)
{
throw new StorageQuotaExceededException();
}
docItem.Size = size;
docItem.Content.Data = bytes;
dbContext.SaveChanges();
return(true);
}
public DownloadResult DownloadDocument(IPwdManService pwdManService, string authenticationToken, long id)
{
logger.LogDebug("Download content for item ID {id}...", id);
var dbContext = pwdManService.GetDbContext();
var docItem = dbContext.DbDocItems
.SingleOrDefault(item => item.Type == DbDocItemType.Item && item.Id == id);
if (docItem == null || !docItem.ContentId.HasValue)
{
throw new AccessDeniedPermissionException();
}
if (!AccessRole.IsEverbody(docItem.AccessRole))
{
var user = pwdManService.GetUserFromToken(authenticationToken);
if (AccessRole.IsOwner(docItem.AccessRole))
{
if (user.Id != docItem.OwnerId)
{
throw new AccessDeniedPermissionException();
}
}
else if (!pwdManService.HasRole(user, docItem.AccessRole))
{
throw new AccessDeniedPermissionException();
}
}
var docContent = dbContext.DbDocContents.Single(c => c.Id == docItem.ContentId);
return(new DownloadResult
{
Stream = new MemoryStream(docContent.Data),
FileName = docItem.Name,
ContentType = "application/octet-stream"
});
}
public bool SetFolderAccessRole(IPwdManService pwdManService, string authenticationToken, long id, string accessRole)
{
logger.LogDebug("Update item access for ID {id} to '{access}'...", id, accessRole);
var user = pwdManService.GetUserFromToken(authenticationToken);
if (!pwdManService.HasRole(user, "usermanager"))
{
throw new AccessDeniedPermissionException();
}
var dbContext = pwdManService.GetDbContext();
var docItem = GetItemById(dbContext, user, id);
if (docItem != null && docItem.Type == DbDocItemType.Folder && docItem.AccessRole != accessRole)
{
docItem.AccessRole = accessRole;
dbContext.SaveChanges();
return(true);
}
return(false);
}