@ -3,75 +3,6 @@ require "crypto/bcrypt/password"
# Materialized views may not be defined using bound parameters (`$1` as used elsewhere)
MATERIALIZED_VIEW_SQL = - > ( email : String ) { " SELECT cv.* FROM channel_videos cv WHERE EXISTS (SELECT subscriptions FROM users u WHERE cv.ucid = ANY (u.subscriptions) AND u.email = E' #{ email . gsub ( { '\'' = > " \\ ' " , '\\' = > " \\ \\ " } ) } ') ORDER BY published DESC " }
def get_user ( sid , headers , refresh = true )
if email = Invidious :: Database :: SessionIDs . select_email ( sid )
user = Invidious :: Database :: Users . select! ( email : email )
if refresh && Time . utc - user . updated > 1 . minute
user , sid = fetch_user ( sid , headers )
Invidious :: Database :: Users . insert ( user , update_on_conflict : true )
Invidious :: Database :: SessionIDs . insert ( sid , user . email , handle_conflicts : true )
begin
view_name = " subscriptions_ #{ sha256 ( user . email ) } "
PG_DB . exec ( " CREATE MATERIALIZED VIEW #{ view_name } AS #{ MATERIALIZED_VIEW_SQL . call ( user . email ) } " )
rescue ex
end
end
else
user , sid = fetch_user ( sid , headers )
Invidious :: Database :: Users . insert ( user , update_on_conflict : true )
Invidious :: Database :: SessionIDs . insert ( sid , user . email , handle_conflicts : true )
begin
view_name = " subscriptions_ #{ sha256 ( user . email ) } "
PG_DB . exec ( " CREATE MATERIALIZED VIEW #{ view_name } AS #{ MATERIALIZED_VIEW_SQL . call ( user . email ) } " )
rescue ex
end
end
return user , sid
end
def fetch_user ( sid , headers )
feed = YT_POOL . client & . get ( " /subscription_manager?disable_polymer=1 " , headers )
feed = XML . parse_html ( feed . body )
channels = feed . xpath_nodes ( % q ( / / ul [ @id = " guide-channels " ] / li / a ) ) . compact_map do | channel |
if { " Popular on YouTube " , " Music " , " Sports " , " Gaming " } . includes? channel [ " title " ]
nil
else
channel [ " href " ] . lstrip ( " /channel/ " )
end
end
channels = get_batch_channels ( channels )
email = feed . xpath_node ( % q ( / / a [ @class = " yt-masthead-picker-header yt-masthead-picker-active-account " ] ) )
if email
email = email . content . strip
else
email = " "
end
token = Base64 . urlsafe_encode ( Random :: Secure . random_bytes ( 32 ) )
user = Invidious :: User . new ( {
updated : Time . utc ,
notifications : [ ] of String ,
subscriptions : channels ,
email : email ,
preferences : Preferences . new ( CONFIG . default_user_preferences . to_tuple ) ,
password : nil ,
token : token ,
watched : [ ] of String ,
feed_needs_update : true ,
} )
return user , sid
end
def create_user ( sid , email , password )
password = Crypto :: Bcrypt :: Password . create ( password , cost : 10 )
token = Base64 . urlsafe_encode ( Random :: Secure . random_bytes ( 32 ) )