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defmodule Pleroma.Web.ActivityPub.Visibility do
alias Pleroma.Activity
alias Pleroma.Object
alias Pleroma.User
def is_public? ( % Object { data : %{ " type " = > " Tombstone " } } ) , do : false
def is_public? ( % Object { data : data } ) , do : is_public? ( data )
def is_public? ( % Activity { data : data } ) , do : is_public? ( data )
def is_public? ( %{ " directMessage " = > true } ) , do : false
def is_public? ( data ) do
" https://www.w3.org/ns/activitystreams # Public " in ( data [ " to " ] ++ ( data [ " cc " ] || [ ] ) )
end
def is_private? ( activity ) do
unless is_public? ( activity ) do
follower_address = User . get_cached_by_ap_id ( activity . data [ " actor " ] ) . follower_address
Enum . any? ( activity . data [ " to " ] , & ( &1 == follower_address ) )
else
false
end
end
def is_direct? ( % Activity { data : %{ " directMessage " = > true } } ) , do : true
def is_direct? ( % Object { data : %{ " directMessage " = > true } } ) , do : true
def is_direct? ( activity ) do
! is_public? ( activity ) && ! is_private? ( activity )
end
def visible_for_user? ( activity , nil ) do
is_public? ( activity )
end
def visible_for_user? ( activity , user ) do
x = [ user . ap_id | user . following ]
y = [ activity . actor ] ++ activity . data [ " to " ] ++ ( activity . data [ " cc " ] || [ ] )
visible_for_user? ( activity , nil ) || Enum . any? ( x , & ( &1 in y ) )
end
# guard
def entire_thread_visible_for_user? ( nil , _user ) , do : false
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# XXX: Probably even more inefficient than the previous implementation, intended to be a placeholder untill https://git.pleroma.social/pleroma/pleroma/merge_requests/971 is in develop
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def entire_thread_visible_for_user? (
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% Activity { } = tail ,
# %Activity{data: %{"object" => %{"inReplyTo" => parent_id}}} = tail,
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user
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) do
case Object . normalize ( tail ) do
%{ data : %{ " inReplyTo " = > parent_id } } when is_binary ( parent_id ) ->
parent = Activity . get_in_reply_to_activity ( tail )
visible_for_user? ( tail , user ) && entire_thread_visible_for_user? ( parent , user )
_ ->
visible_for_user? ( tail , user )
end
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end
end