app/browse/protobuf.py

   1 import base64
   2 from dataclasses import dataclass
   3 from typing import Optional
   4
   5 from pure_protobuf.dataclasses_ import field, message
   6 from pure_protobuf.types import int64
   7
   8 def b64e(b, padding=True):
   9     return base64.urlsafe_b64encode(b).decode('ascii') \
  10             .replace("=", "%3D" if padding else "")
  11
  12 # SEARCH {{{
  13 @message
  14 @dataclass
  15 class Extras:
  16     verbatim: Optional[bool] = field(1, default=None) # don't fix spelling
  17 @message
  18 @dataclass
  19 class Filters: # adapted from invidious
  20     date:      Optional[int64] = field(1, default=None)
  21     type:      Optional[int64] = field(2, default=None)
  22     length:    Optional[int64] = field(3, default=None)
  23     is_hd:     Optional[bool]  = field(4, default=None)
  24     subtitles: Optional[bool]  = field(5, default=None)
  25     ccommons:  Optional[bool]  = field(6, default=None)
  26     is_3d:     Optional[bool]  = field(7, default=None)
  27     live:      Optional[bool]  = field(8, default=None)
  28     purchased: Optional[bool]  = field(9, default=None)
  29     is_4k:     Optional[bool]  = field(14, default=None)
  30     is_360:    Optional[bool]  = field(15, default=None)
  31     location:  Optional[bool]  = field(23, default=None)
  32     is_hdr:    Optional[bool]  = field(25, default=None)
  33 @message
  34 @dataclass
  35 class SearchRequest:
  36     sorted: Optional[int64] = field(1, default=None)
  37     filter: Optional[Filters] = field(2, default=None)
  38     extras: Optional[Extras] = field(8, default=None)
  39     offset: Optional[int64] = field(9, default=0)
  40
  41 def make_sp(page=1, sort=None, date=None, type=None, len=None, features=[], extras=[]):
  42     sortorder  = dict(relevance=0, rating=1, date=2, views=3)
  43     datefilter = dict(hour=1, day=2, week=3, month=4, year=5)
  44     typefilter = dict(video=1, channel=2, playlist=3, movie=4, show=5)
  45     lenfilter  = dict(short=1, long=2)
  46
  47     return b64e(SearchRequest(
  48         sorted=sortorder.get(sort),
  49         filter=Filters(
  50             date=datefilter.get(date),
  51             type=typefilter.get(type),
  52             length=lenfilter.get(len),
  53             **{f:True for f in features},
  54         ) if date or type or len or features else None,
  55         extras=Extras(**{f:True for f in extras}),
  56         offset=(int(page)-1)*20,
  57     ).dumps())
  58 # }}} SEARCH
  59
  60 # CHANNEL v1/v3 {{{
  61 @message
  62 @dataclass
  63 class SearchOffset:
  64     offset: int64 = field(3, default=0)
  65 @message
  66 @dataclass
  67 class ChannelDataInner:
  68     offset: int64 = field(1)
  69 @message
  70 @dataclass
  71 class ChannelDataContainer:
  72     data: str = field(1)  # base64 of ChannelDataInner
  73 @message
  74 @dataclass
  75 class Subparams:
  76     type_s: str = field(2)
  77     type_i: Optional[int64] = field(4)
  78     page: Optional[str] = field(15)
  79     sort: Optional[int64] = field(3, default=None)
  80     unknown_const1: int64 = field(7, default=1)
  81     unknown_const2: int64 = field(23, default=0)
  82     # usually returns gridResponses. to switch to listResponses (cargo-culting
  83     # invidious, playlist continuations (not yet supported) require list):
  84     list_or_grid: Optional[int64] = field(6,default=2) # 2=list, None/1=grid
  85     # invidious sets those, but no idea why:
  86     #field12:int64 = field(12,default=1)
  87     #field13:str = field(13,default="") # playlists in list mode don't work without this
  88     field61: Optional[str] = field(61, default=None) # base64 channelData
  89 @message
  90 @dataclass
  91 class Params:
  92     subject: str = field(2) # ucid/plid
  93     params: str = field(3)  # b64e encoded
  94     query: Optional[str] = field(11, default=None) # channel search
  95 @message
  96 @dataclass
  97 class Continuation:
  98     params: Params = field(80226972)
  99 def make_channel_params(subject, typ="videos", page=1, sort=None, query=None, v3=False):
 100     typestr = dict(videos="videos", playlists="playlists", search="search")
 101     typeint = dict(videos=0, playlists=1, search=None) # not supporting autogen'd
 102     sortorder = dict(popular=1, oldest=2, newest=3)
 103     if typ == "playlists":
 104         sortorder = dict(newest=3, modified=4)
 105     elif typ == "search":
 106         sortorder = dict()
 107
 108     if page and typ=="search":
 109         _page = b64e(SearchOffset(offset=(page-1)*30).dumps(), padding=False)
 110     else: _page = None
 111
 112     return b64e(Continuation(
 113         params=Params(
 114             subject=subject,
 115             params=b64e(Subparams(
 116                 type_s=typestr.get(typ),
 117                 type_i=typeint.get(typ),
 118                 sort=sortorder.get(sort),
 119                 page=_page,
 120                 field61=b64e(
 121                     ChannelDataContainer(
 122                         data=b64e(
 123                             ChannelDataInner(
 124                                 offset=(page-1)*30
 125                             ).dumps(), padding=False
 126                         )
 127                     ).dumps(), padding=False
 128                 ) if v3 else None
 129             ).dumps()),
 130             query=query,
 131         ),
 132     ).dumps())
 133 # }}} CHANNEL v1/v3
 134
 135 # PLAYLIST {{{
 136 @message
 137 @dataclass
 138 class PlaylistData:
 139     offset: int64 = field(1)
 140 @message
 141 @dataclass
 142 class PlaylistSubparams:
 143     data: str = field(15)
 144 def make_playlist_params(playlist_id, offset):
 145     if playlist_id.startswith("UC"):
 146         playlist_id = f"UU{playlist_id[2:]}" # "Uploads from <username>"
 147
 148     return b64e(Continuation(
 149         params=Params(
 150             subject="VL" + playlist_id,
 151             params=b64e(PlaylistSubparams(
 152                 data="PT:" + b64e(PlaylistData(
 153                     offset=offset,
 154                 ).dumps(), padding=False)
 155             ).dumps()),
 156         ),
 157     ).dumps())
 158 # }}} PLAYLIST