Anyone who has the URL can get the image. If you need to restrict access when the correct URL is given, you can't really use Blobstore; store your images in the datastore and use a handler to serve them with code that restricts who it will serve to.
On Aug 26, 11:41 pm, gops <[email protected]> wrote: > can i restrict who can see the image or who can not ? > > i know url is not easily guessable , but can anyone by chance can have > that image ? > > On Aug 27, 5:22 am, "Ikai L (Google)" <[email protected]> wrote: > > > > > Only the initial call to getServingUrl should be slow. Subsequent calls > > should be faster. You should be able to cache the URL - I don't believe it > > should change. > > > On Thu, Aug 26, 2010 at 4:02 PM, mathijs <[email protected]> wrote: > > > Hi, > > > > We have been starting to use getServingUrl onhttp://www.appbrain.com/ > > > where we have very many pages little icons. (for instance about 30 on > > > the homepage). > > > Since we implemented the getServingUrl calls for these icons, the logs > > > show that the homepage now takes 3000ms (3 seconds!) to be processed > > > by appengine. It seems that the getServingUrl calls itself are very > > > slow. > > > We are now trying to cache these calls, but are unsure how long these > > > URLs exist. Can we assume that as long as we don't delete the blob, > > > the same URL will always be valid, or can it change? > > > > Best regards, > > > > Mathijs > > > > -- > > > You received this message because you are subscribed to the Google Groups > > > "Google App Engine" group. > > > To post to this group, send email to [email protected]. > > > To unsubscribe from this group, send email to > > > [email protected]<google-appengine%2Bunsubscrib > > > [email protected]> > > > . > > > For more options, visit this group at > > >http://groups.google.com/group/google-appengine?hl=en. > > > -- > > Ikai Lan > > Developer Programs Engineer, Google App Engine > > Blog:http://googleappengine.blogspot.com > > Twitter:http://twitter.com/app_engine > > Reddit:http://www.reddit.com/r/appengine -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
