Diogo Cordeiro 64108aa51d [ActivityPub][NOTE] Do not extract actor from attributedTo
There was no checking of attributedTo, actors and referent object IDs to make
sure they exist in the same domain. Therefore, one could spoof messages from
people by doing attributedTo: whoever-i-want-to-spoof
2021-07-16 19:44:37 +01:00
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