http://bugs.freedesktop.org/show_bug.cgi?id=18576
Summary: Re-specify avatar tokens to be globally unique
Product: Telepathy
Version: unspecified
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: telepathy-spec
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
At the moment, a correctly implemented avatar cache has to be keyed by the
triple (our account, their identifier, avatar token).
It would be vastly easier to implement an avatar cache if we changed the
specification for the avatar token to require it to be globally unique, so it
could just be keyed by avatar tokens.
For protocols where an avatar is identified by (our identifier, their
identifier, a timestamp), the CM could construct a token by concatenating those
three things and hashing them or something.
We need to verify that Butterfly's implementation of avatars will still be
spec-compliant after this. Haze and Gabble use the hash of the avatar, so their
tokens are already globally unique.
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