|  | @@ -1,11 +1,16 @@
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				|  |  |  # coding: utf-8
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				|  |  |  
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				|  |  | +import collections
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				|  |  | +import itertools
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				|  |  | +import io
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				|  |  |  import json
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				|  |  |  import netrc
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				|  |  |  import re
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				|  |  |  import socket
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				|  |  | -import itertools
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				|  |  | -import xml.etree.ElementTree
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				|  |  | +import string
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				|  |  | +import struct
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				|  |  | +import traceback
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				|  |  | +import zlib
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				|  |  |  
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				|  |  |  from .common import InfoExtractor, SearchInfoExtractor
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				|  |  |  from .subtitles import SubtitlesInfoExtractor
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				|  | @@ -393,6 +398,10 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
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				|  |  |          if YoutubePlaylistIE.suitable(url): return False
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				|  |  |          return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
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				|  |  |  
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				|  |  | +    def __init__(self, *args, **kwargs):
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				|  |  | +        super(YoutubeIE, self).__init__(*args, **kwargs)
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				|  |  | +        self._jsplayer_cache = {}
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				|  |  | +
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				|  |  |      def report_video_webpage_download(self, video_id):
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				|  |  |          """Report attempt to download video webpage."""
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				|  |  |          self.to_screen(u'%s: Downloading video webpage' % video_id)
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				|  | @@ -413,15 +422,565 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
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				|  |  |          """Indicate the download will use the RTMP protocol."""
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				|  |  |          self.to_screen(u'RTMP download detected')
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				|  |  |  
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				|  |  | -    def _decrypt_signature(self, s):
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				|  |  | +    def _extract_signature_function(self, video_id, player_url):
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				|  |  | +        id_m = re.match(r'.*-(?P<id>[^.]+)\.(?P<ext>[^.]+)$', player_url)
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				|  |  | +        player_type = id_m.group('ext')
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				|  |  | +        player_id = id_m.group('id')
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				|  |  | +
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				|  |  | +        if player_type == 'js':
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				|  |  | +            code = self._download_webpage(
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				|  |  | +                player_url, video_id,
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				|  |  | +                note=u'Downloading %s player %s' % (player_type, jsplayer_id),
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				|  |  | +                errnote=u'Download of %s failed' % player_url)
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				|  |  | +            return self._parse_sig_js(code)
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				|  |  | +        elif player_tpye == 'swf':
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				|  |  | +            urlh = self._request_webpage(
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				|  |  | +                player_url, video_id,
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				|  |  | +                note=u'Downloading %s player %s' % (player_type, jsplayer_id),
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				|  |  | +                errnote=u'Download of %s failed' % player_url)
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				|  |  | +            code = urlh.read()
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				|  |  | +            return self._parse_sig_swf(code)
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				|  |  | +        else:
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				|  |  | +            assert False, 'Invalid player type %r' % player_type
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				|  |  | +
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				|  |  | +    def _parse_sig_js(self, jscode):
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				|  |  | +        funcname = self._search_regex(
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				|  |  | +            r'signature=([a-zA-Z]+)', jscode,
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				|  |  | +            u'Initial JS player signature function name')
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				|  |  | +
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				|  |  | +        functions = {}
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				|  |  | +
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				|  |  | +        def argidx(varname):
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				|  |  | +            return string.lowercase.index(varname)
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				|  |  | +
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				|  |  | +        def interpret_statement(stmt, local_vars, allow_recursion=20):
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				|  |  | +            if allow_recursion < 0:
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				|  |  | +                raise ExctractorError(u'Recursion limit reached')
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				|  |  | +
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				|  |  | +            if stmt.startswith(u'var '):
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				|  |  | +                stmt = stmt[len(u'var '):]
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				|  |  | +            ass_m = re.match(r'^(?P<out>[a-z]+)(?:\[(?P<index>[^\]]+)\])?' +
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				|  |  | +                             r'=(?P<expr>.*)$', stmt)
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				|  |  | +            if ass_m:
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				|  |  | +                if ass_m.groupdict().get('index'):
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				|  |  | +                    def assign(val):
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				|  |  | +                        lvar = local_vars[ass_m.group('out')]
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				|  |  | +                        idx = interpret_expression(ass_m.group('index'),
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				|  |  | +                                                   local_vars, allow_recursion)
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				|  |  | +                        assert isinstance(idx, int)
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				|  |  | +                        lvar[idx] = val
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				|  |  | +                        return val
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				|  |  | +                    expr = ass_m.group('expr')
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				|  |  | +                else:
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				|  |  | +                    def assign(val):
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				|  |  | +                        local_vars[ass_m.group('out')] = val
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				|  |  | +                        return val
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				|  |  | +                    expr = ass_m.group('expr')
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				|  |  | +            elif stmt.startswith(u'return '):
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				|  |  | +                assign = lambda v: v
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				|  |  | +                expr = stmt[len(u'return '):]
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				|  |  | +            else:
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				|  |  | +                raise ExtractorError(
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				|  |  | +                    u'Cannot determine left side of statement in %r' % stmt)
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				|  |  | +
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				|  |  | +            v = interpret_expression(expr, local_vars, allow_recursion)
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				|  |  | +            return assign(v)
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				|  |  | +
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				|  |  | +        def interpret_expression(expr, local_vars, allow_recursion):
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				|  |  | +            if expr.isdigit():
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				|  |  | +                return int(expr)
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				|  |  | +
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				|  |  | +            if expr.isalpha():
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				|  |  | +                return local_vars[expr]
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				|  |  | +
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				|  |  | +            m = re.match(r'^(?P<in>[a-z]+)\.(?P<member>.*)$', expr)
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				|  |  | +            if m:
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				|  |  | +                member = m.group('member')
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				|  |  | +                val = local_vars[m.group('in')]
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				|  |  | +                if member == 'split("")':
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				|  |  | +                    return list(val)
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				|  |  | +                if member == 'join("")':
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				|  |  | +                    return u''.join(val)
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				|  |  | +                if member == 'length':
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				|  |  | +                    return len(val)
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				|  |  | +                if member == 'reverse()':
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				|  |  | +                    return val[::-1]
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				|  |  | +                slice_m = re.match(r'slice\((?P<idx>.*)\)', member)
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				|  |  | +                if slice_m:
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				|  |  | +                    idx = interpret_expression(
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				|  |  | +                        slice_m.group('idx'), local_vars, allow_recursion-1)
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				|  |  | +                    return val[idx:]
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				|  |  | +
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				|  |  | +            m = re.match(
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				|  |  | +                r'^(?P<in>[a-z]+)\[(?P<idx>.+)\]$', expr)
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				|  |  | +            if m:
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				|  |  | +                val = local_vars[m.group('in')]
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				|  |  | +                idx = interpret_expression(m.group('idx'), local_vars,
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				|  |  | +                                           allow_recursion-1)
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				|  |  | +                return val[idx]
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				|  |  | +
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				|  |  | +            m = re.match(r'^(?P<a>.+?)(?P<op>[%])(?P<b>.+?)$', expr)
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				|  |  | +            if m:
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				|  |  | +                a = interpret_expression(m.group('a'),
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				|  |  | +                                         local_vars, allow_recursion)
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				|  |  | +                b = interpret_expression(m.group('b'),
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				|  |  | +                                         local_vars, allow_recursion)
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				|  |  | +                return a % b
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				|  |  | +
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				|  |  | +            m = re.match(
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				|  |  | +                r'^(?P<func>[a-zA-Z]+)\((?P<args>[a-z0-9,]+)\)$', expr)
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				|  |  | +            if m:
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				|  |  | +                fname = m.group('func')
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				|  |  | +                if fname not in functions:
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				|  |  | +                    functions[fname] = extract_function(fname)
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				|  |  | +                argvals = [int(v) if v.isdigit() else local_vars[v]
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				|  |  | +                           for v in m.group('args').split(',')]
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				|  |  | +                return functions[fname](argvals)
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				|  |  | +            raise ExtractorError(u'Unsupported JS expression %r' % expr)
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				|  |  | +
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				|  |  | +        def extract_function(funcname):
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				|  |  | +            func_m = re.search(
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				|  |  | +                r'function ' + re.escape(funcname) +
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				|  |  | +                r'\((?P<args>[a-z,]+)\){(?P<code>[^}]+)}',
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				|  |  | +                jscode)
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				|  |  | +            argnames = func_m.group('args').split(',')
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				|  |  | +
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				|  |  | +            def resf(args):
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				|  |  | +                local_vars = dict(zip(argnames, args))
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				|  |  | +                for stmt in func_m.group('code').split(';'):
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				|  |  | +                    res = interpret_statement(stmt, local_vars)
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				|  |  | +                return res
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				|  |  | +            return resf
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				|  |  | +
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				|  |  | +        initial_function = extract_function(funcname)
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				|  |  | +        return lambda s: initial_function([s])
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				|  |  | +
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				|  |  | +    def _parse_sig_swf(self, file_contents):
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				|  |  | +        if file_contents[1:3] != b'WS':
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				|  |  | +            raise ExtractorError(
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				|  |  | +                u'Not an SWF file; header is %r' % file_contents[:3])
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				|  |  | +        if file_contents[:1] == b'C':
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				|  |  | +            content = zlib.decompress(file_contents[8:])
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				|  |  | +        else:
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				|  |  | +            raise NotImplementedError(u'Unsupported compression format %r' %
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				|  |  | +                                      file_contents[:1])
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				|  |  | +
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				|  |  | +        def extract_tags(content):
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				|  |  | +            pos = 0
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				|  |  | +            while pos < len(content):
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				|  |  | +                header16 = struct.unpack('<H', content[pos:pos+2])[0]
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				|  |  | +                pos += 2
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				|  |  | +                tag_code = header16 >> 6
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				|  |  | +                tag_len = header16 & 0x3f
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				|  |  | +                if tag_len == 0x3f:
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				|  |  | +                    tag_len = struct.unpack('<I', content[pos:pos+4])[0]
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				|  |  | +                    pos += 4
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				|  |  | +                assert pos+tag_len <= len(content)
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				|  |  | +                yield (tag_code, content[pos:pos+tag_len])
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				|  |  | +                pos += tag_len
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				|  |  | +
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				|  |  | +        code_tag = next(tag
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				|  |  | +                        for tag_code, tag in extract_tags(content)
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				|  |  | +                        if tag_code == 82)
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				|  |  | +        p = code_tag.index(b'\0', 4) + 1
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				|  |  | +
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				|  |  | +        # Parse ABC (AVM2 ByteCode)
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				|  |  | +        def read_int(data=None, pos=None):
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				|  |  | +            if hasattr(data, 'read'):
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				|  |  | +                assert pos is None
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				|  |  | +
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				|  |  | +                res = 0
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				|  |  | +                shift = 0
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				|  |  | +                for _ in range(5):
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				|  |  | +                    buf = data.read(1)
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				|  |  | +                    assert len(buf) == 1
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				|  |  | +                    b = struct.unpack('<B', buf)[0]
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				|  |  | +                    res = res | ((b & 0x7f) << shift)
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				|  |  | +                    if b & 0x80 == 0:
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				|  |  | +                        break
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				|  |  | +                    shift += 7
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				|  |  | +                return res
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				|  |  | +
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				|  |  | +            if data is None:
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				|  |  | +                data = code_tag
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				|  |  | +            if pos is None:
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				|  |  | +                pos = p
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				|  |  | +            res = 0
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				|  |  | +            shift = 0
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				|  |  | +            for _ in range(5):
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				|  |  | +                b = struct.unpack('<B', data[pos:pos+1])[0]
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				|  |  | +                pos += 1
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				|  |  | +                res = res | ((b & 0x7f) << shift)
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				|  |  | +                if b & 0x80 == 0:
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				|  |  | +                    break
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				|  |  | +                shift += 7
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				|  |  | +            return (res, pos)
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				|  |  | +        assert read_int(b'\x00', 0) == (0, 1)
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				|  |  | +        assert read_int(b'\x10', 0) == (16, 1)
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				|  |  | +        assert read_int(b'\x34', 0) == (0x34, 1)
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				|  |  | +        assert read_int(b'\xb4\x12', 0) == (0x12 * 0x80 + 0x34, 2)
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				|  |  | +        assert read_int(b'\xff\xff\xff\x00', 0) == (0x1fffff, 4)
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				|  |  | +
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				|  |  | +        def u30(*args, **kwargs):
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				|  |  | +            res = read_int(*args, **kwargs)
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				|  |  | +            if isinstance(res, tuple):
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				|  |  | +                assert res[0] & 0xf0000000 == 0
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				|  |  | +            else:
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				|  |  | +                assert res & 0xf0000000 == 0
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				|  |  | +            return res
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				|  |  | +        u32 = read_int
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				|  |  | +
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				|  |  | +        def s32(data=None, pos=None):
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				|  |  | +            v, pos = read_int(data, pos)
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				|  |  | +            if v & 0x80000000 != 0:
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				|  |  | +                v = - ((v ^ 0xffffffff) + 1)
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				|  |  | +            return (v, pos)
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				|  |  | +        assert s32(b'\xff\xff\xff\xff\x0f', 0) == (-1, 5)
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				|  |  | +
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				|  |  | +        def string():
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				|  |  | +            slen, p = u30()
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				|  |  | +            return (code_tag[p:p+slen].decode('utf-8'), p + slen)
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				|  |  | +
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				|  |  | +        def read_byte(data=None, pos=None):
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				|  |  | +            if data is None:
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				|  |  | +                data = code_tag
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				|  |  | +            if pos is None:
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				|  |  | +                pos = p
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				|  |  | +            res = struct.unpack('<B', data[pos:pos+1])[0]
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				|  |  | +            return (res, pos + 1)
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				|  |  | +
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				|  |  | +        # minor_version + major_version
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				|  |  | +        p += 2 + 2
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				|  |  | +
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				|  |  | +        # Constant pool
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				|  |  | +        int_count, p = u30()
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				|  |  | +        for _c in range(1, int_count):
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				|  |  | +            _, p = s32()
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				|  |  | +        uint_count, p = u30()
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				|  |  | +        for _c in range(1, uint_count):
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				|  |  | +            _, p = u32()
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				|  |  | +        double_count, p = u30()
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				|  |  | +        p += (double_count-1) * 8
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				|  |  | +        string_count, p = u30()
 | 
	
		
			
				|  |  | +        constant_strings = [u'']
 | 
	
		
			
				|  |  | +        for _c in range(1, string_count):
 | 
	
		
			
				|  |  | +            s, p = string()
 | 
	
		
			
				|  |  | +            constant_strings.append(s)
 | 
	
		
			
				|  |  | +        namespace_count, p = u30()
 | 
	
		
			
				|  |  | +        for _c in range(1, namespace_count):
 | 
	
		
			
				|  |  | +            p += 1        # kind
 | 
	
		
			
				|  |  | +            _, p = u30()  # name
 | 
	
		
			
				|  |  | +        ns_set_count, p = u30()
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				|  |  | +        for _c in range(1, ns_set_count):
 | 
	
		
			
				|  |  | +            count, p = u30()
 | 
	
		
			
				|  |  | +            for _c2 in range(count):
 | 
	
		
			
				|  |  | +                _, p = u30()
 | 
	
		
			
				|  |  | +        multiname_count, p = u30()
 | 
	
		
			
				|  |  | +        MULTINAME_SIZES = {
 | 
	
		
			
				|  |  | +            0x07: 2,  # QName
 | 
	
		
			
				|  |  | +            0x0d: 2,  # QNameA
 | 
	
		
			
				|  |  | +            0x0f: 1,  # RTQName
 | 
	
		
			
				|  |  | +            0x10: 1,  # RTQNameA
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				|  |  | +            0x11: 0,  # RTQNameL
 | 
	
		
			
				|  |  | +            0x12: 0,  # RTQNameLA
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				|  |  | +            0x09: 2,  # Multiname
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				|  |  | +            0x0e: 2,  # MultinameA
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				|  |  | +            0x1b: 1,  # MultinameL
 | 
	
		
			
				|  |  | +            0x1c: 1,  # MultinameLA
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        multinames = [u'']
 | 
	
		
			
				|  |  | +        for _c in range(1, multiname_count):
 | 
	
		
			
				|  |  | +            kind, p = u30()
 | 
	
		
			
				|  |  | +            assert kind in MULTINAME_SIZES, u'Invalid multiname kind %r' % kind
 | 
	
		
			
				|  |  | +            if kind == 0x07:
 | 
	
		
			
				|  |  | +                namespace_idx, p = u30()
 | 
	
		
			
				|  |  | +                name_idx, p = u30()
 | 
	
		
			
				|  |  | +                multinames.append(constant_strings[name_idx])
 | 
	
		
			
				|  |  | +            else:
 | 
	
		
			
				|  |  | +                multinames.append('[MULTINAME kind: %d]' % kind)
 | 
	
		
			
				|  |  | +                for _c2 in range(MULTINAME_SIZES[kind]):
 | 
	
		
			
				|  |  | +                    _, p = u30()
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        # Methods
 | 
	
		
			
				|  |  | +        method_count, p = u30()
 | 
	
		
			
				|  |  | +        MethodInfo = collections.namedtuple(
 | 
	
		
			
				|  |  | +            'MethodInfo',
 | 
	
		
			
				|  |  | +            ['NEED_ARGUMENTS', 'NEED_REST'])
 | 
	
		
			
				|  |  | +        method_infos = []
 | 
	
		
			
				|  |  | +        for method_id in range(method_count):
 | 
	
		
			
				|  |  | +            param_count, p = u30()
 | 
	
		
			
				|  |  | +            _, p = u30()  # return type
 | 
	
		
			
				|  |  | +            for _ in range(param_count):
 | 
	
		
			
				|  |  | +                _, p = u30()  # param type
 | 
	
		
			
				|  |  | +            _, p = u30()  # name index (always 0 for youtube)
 | 
	
		
			
				|  |  | +            flags, p = read_byte()
 | 
	
		
			
				|  |  | +            if flags & 0x08 != 0:
 | 
	
		
			
				|  |  | +                # Options present
 | 
	
		
			
				|  |  | +                option_count, p = u30()
 | 
	
		
			
				|  |  | +                for c in range(option_count):
 | 
	
		
			
				|  |  | +                    _, p = u30()  # val
 | 
	
		
			
				|  |  | +                    p += 1        # kind
 | 
	
		
			
				|  |  | +            if flags & 0x80 != 0:
 | 
	
		
			
				|  |  | +                # Param names present
 | 
	
		
			
				|  |  | +                for _ in range(param_count):
 | 
	
		
			
				|  |  | +                    _, p = u30()  # param name
 | 
	
		
			
				|  |  | +            mi = MethodInfo(flags & 0x01 != 0, flags & 0x04 != 0)
 | 
	
		
			
				|  |  | +            method_infos.append(mi)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        # Metadata
 | 
	
		
			
				|  |  | +        metadata_count, p = u30()
 | 
	
		
			
				|  |  | +        for _c in range(metadata_count):
 | 
	
		
			
				|  |  | +            _, p = u30()  # name
 | 
	
		
			
				|  |  | +            item_count, p = u30()
 | 
	
		
			
				|  |  | +            for _c2 in range(item_count):
 | 
	
		
			
				|  |  | +                _, p = u30()  # key
 | 
	
		
			
				|  |  | +                _, p = u30()  # value
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        def parse_traits_info(pos=None):
 | 
	
		
			
				|  |  | +            if pos is None:
 | 
	
		
			
				|  |  | +                pos = p
 | 
	
		
			
				|  |  | +            trait_name_idx, pos = u30(pos=pos)
 | 
	
		
			
				|  |  | +            kind_full, pos = read_byte(pos=pos)
 | 
	
		
			
				|  |  | +            kind = kind_full & 0x0f
 | 
	
		
			
				|  |  | +            attrs = kind_full >> 4
 | 
	
		
			
				|  |  | +            methods = {}
 | 
	
		
			
				|  |  | +            if kind in [0x00, 0x06]:  # Slot or Const
 | 
	
		
			
				|  |  | +                _, pos = u30(pos=pos)  # Slot id
 | 
	
		
			
				|  |  | +                type_name_idx, pos = u30(pos=pos)
 | 
	
		
			
				|  |  | +                vindex, pos = u30(pos=pos)
 | 
	
		
			
				|  |  | +                if vindex != 0:
 | 
	
		
			
				|  |  | +                    _, pos = read_byte(pos=pos)  # vkind
 | 
	
		
			
				|  |  | +            elif kind in [0x01, 0x02, 0x03]:  # Method / Getter / Setter
 | 
	
		
			
				|  |  | +                _, pos = u30(pos=pos)  # disp_id
 | 
	
		
			
				|  |  | +                method_idx, pos = u30(pos=pos)
 | 
	
		
			
				|  |  | +                methods[multinames[trait_name_idx]] = method_idx
 | 
	
		
			
				|  |  | +            elif kind == 0x04:  # Class
 | 
	
		
			
				|  |  | +                _, pos = u30(pos=pos)  # slot_id
 | 
	
		
			
				|  |  | +                _, pos = u30(pos=pos)  # classi
 | 
	
		
			
				|  |  | +            elif kind == 0x05:  # Function
 | 
	
		
			
				|  |  | +                _, pos = u30(pos=pos)  # slot_id
 | 
	
		
			
				|  |  | +                function_idx, pos = u30(pos=pos)
 | 
	
		
			
				|  |  | +                methods[function_idx] = multinames[trait_name_idx]
 | 
	
		
			
				|  |  | +            else:
 | 
	
		
			
				|  |  | +                raise ExtractorError(u'Unsupported trait kind %d' % kind)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +            if attrs & 0x4 != 0:  # Metadata present
 | 
	
		
			
				|  |  | +                metadata_count, pos = u30(pos=pos)
 | 
	
		
			
				|  |  | +                for _c3 in range(metadata_count):
 | 
	
		
			
				|  |  | +                    _, pos = u30(pos=pos)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +            return (methods, pos)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        # Classes
 | 
	
		
			
				|  |  | +        TARGET_CLASSNAME = u'SignatureDecipher'
 | 
	
		
			
				|  |  | +        searched_idx = multinames.index(TARGET_CLASSNAME)
 | 
	
		
			
				|  |  | +        searched_class_id = None
 | 
	
		
			
				|  |  | +        class_count, p = u30()
 | 
	
		
			
				|  |  | +        for class_id in range(class_count):
 | 
	
		
			
				|  |  | +            name_idx, p = u30()
 | 
	
		
			
				|  |  | +            if name_idx == searched_idx:
 | 
	
		
			
				|  |  | +                # We found the class we're looking for!
 | 
	
		
			
				|  |  | +                searched_class_id = class_id
 | 
	
		
			
				|  |  | +            _, p = u30()  # super_name idx
 | 
	
		
			
				|  |  | +            flags, p = read_byte()
 | 
	
		
			
				|  |  | +            if flags & 0x08 != 0:  # Protected namespace is present
 | 
	
		
			
				|  |  | +                protected_ns_idx, p = u30()
 | 
	
		
			
				|  |  | +            intrf_count, p = u30()
 | 
	
		
			
				|  |  | +            for _c2 in range(intrf_count):
 | 
	
		
			
				|  |  | +                _, p = u30()
 | 
	
		
			
				|  |  | +            _, p = u30()  # iinit
 | 
	
		
			
				|  |  | +            trait_count, p = u30()
 | 
	
		
			
				|  |  | +            for _c2 in range(trait_count):
 | 
	
		
			
				|  |  | +                _, p = parse_traits_info()
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if searched_class_id is None:
 | 
	
		
			
				|  |  | +            raise ExtractorError(u'Target class %r not found' %
 | 
	
		
			
				|  |  | +                                 TARGET_CLASSNAME)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        method_names = {}
 | 
	
		
			
				|  |  | +        method_idxs = {}
 | 
	
		
			
				|  |  | +        for class_id in range(class_count):
 | 
	
		
			
				|  |  | +            _, p = u30()  # cinit
 | 
	
		
			
				|  |  | +            trait_count, p = u30()
 | 
	
		
			
				|  |  | +            for _c2 in range(trait_count):
 | 
	
		
			
				|  |  | +                trait_methods, p = parse_traits_info()
 | 
	
		
			
				|  |  | +                if class_id == searched_class_id:
 | 
	
		
			
				|  |  | +                    method_names.update(trait_methods.items())
 | 
	
		
			
				|  |  | +                    method_idxs.update(dict(
 | 
	
		
			
				|  |  | +                        (idx, name)
 | 
	
		
			
				|  |  | +                        for name, idx in trait_methods.items()))
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        # Scripts
 | 
	
		
			
				|  |  | +        script_count, p = u30()
 | 
	
		
			
				|  |  | +        for _c in range(script_count):
 | 
	
		
			
				|  |  | +            _, p = u30()  # init
 | 
	
		
			
				|  |  | +            trait_count, p = u30()
 | 
	
		
			
				|  |  | +            for _c2 in range(trait_count):
 | 
	
		
			
				|  |  | +                _, p = parse_traits_info()
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        # Method bodies
 | 
	
		
			
				|  |  | +        method_body_count, p = u30()
 | 
	
		
			
				|  |  | +        Method = collections.namedtuple('Method', ['code', 'local_count'])
 | 
	
		
			
				|  |  | +        methods = {}
 | 
	
		
			
				|  |  | +        for _c in range(method_body_count):
 | 
	
		
			
				|  |  | +            method_idx, p = u30()
 | 
	
		
			
				|  |  | +            max_stack, p = u30()
 | 
	
		
			
				|  |  | +            local_count, p = u30()
 | 
	
		
			
				|  |  | +            init_scope_depth, p = u30()
 | 
	
		
			
				|  |  | +            max_scope_depth, p = u30()
 | 
	
		
			
				|  |  | +            code_length, p = u30()
 | 
	
		
			
				|  |  | +            if method_idx in method_idxs:
 | 
	
		
			
				|  |  | +                m = Method(code_tag[p:p+code_length], local_count)
 | 
	
		
			
				|  |  | +                methods[method_idxs[method_idx]] = m
 | 
	
		
			
				|  |  | +            p += code_length
 | 
	
		
			
				|  |  | +            exception_count, p = u30()
 | 
	
		
			
				|  |  | +            for _c2 in range(exception_count):
 | 
	
		
			
				|  |  | +                _, p = u30()  # from
 | 
	
		
			
				|  |  | +                _, p = u30()  # to
 | 
	
		
			
				|  |  | +                _, p = u30()  # target
 | 
	
		
			
				|  |  | +                _, p = u30()  # exc_type
 | 
	
		
			
				|  |  | +                _, p = u30()  # var_name
 | 
	
		
			
				|  |  | +            trait_count, p = u30()
 | 
	
		
			
				|  |  | +            for _c2 in range(trait_count):
 | 
	
		
			
				|  |  | +                _, p = parse_traits_info()
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        assert p == len(code_tag)
 | 
	
		
			
				|  |  | +        assert len(methods) == len(method_idxs)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        method_pyfunctions = {}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        def extract_function(func_name):
 | 
	
		
			
				|  |  | +            if func_name in method_pyfunctions:
 | 
	
		
			
				|  |  | +                return method_pyfunctions[func_name]
 | 
	
		
			
				|  |  | +            if func_name not in methods:
 | 
	
		
			
				|  |  | +                raise ExtractorError(u'Cannot find function %r' % func_name)
 | 
	
		
			
				|  |  | +            m = methods[func_name]
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +            def resfunc(args):
 | 
	
		
			
				|  |  | +                print('Entering function %s(%r)' % (func_name, args))
 | 
	
		
			
				|  |  | +                registers = ['(this)'] + list(args) + [None] * m.local_count
 | 
	
		
			
				|  |  | +                stack = []
 | 
	
		
			
				|  |  | +                coder = io.BytesIO(m.code)
 | 
	
		
			
				|  |  | +                while True:
 | 
	
		
			
				|  |  | +                    opcode = struct.unpack('!B', coder.read(1))[0]
 | 
	
		
			
				|  |  | +                    if opcode == 208:  # getlocal_0
 | 
	
		
			
				|  |  | +                        stack.append(registers[0])
 | 
	
		
			
				|  |  | +                    elif opcode == 209:  # getlocal_1
 | 
	
		
			
				|  |  | +                        stack.append(registers[1])
 | 
	
		
			
				|  |  | +                    elif opcode == 210:  # getlocal_2
 | 
	
		
			
				|  |  | +                        stack.append(registers[2])
 | 
	
		
			
				|  |  | +                    elif opcode == 36:  # pushbyte
 | 
	
		
			
				|  |  | +                        v = struct.unpack('!B', coder.read(1))[0]
 | 
	
		
			
				|  |  | +                        stack.append(v)
 | 
	
		
			
				|  |  | +                    elif opcode == 44:  # pushstring
 | 
	
		
			
				|  |  | +                        idx = u30(coder)
 | 
	
		
			
				|  |  | +                        stack.append(constant_strings[idx])
 | 
	
		
			
				|  |  | +                    elif opcode == 48:  # pushscope
 | 
	
		
			
				|  |  | +                        # We don't implement the scope register, so we'll just
 | 
	
		
			
				|  |  | +                        # ignore the popped value
 | 
	
		
			
				|  |  | +                        stack.pop()
 | 
	
		
			
				|  |  | +                    elif opcode == 70:  # callproperty
 | 
	
		
			
				|  |  | +                        index = u30(coder)
 | 
	
		
			
				|  |  | +                        mname = multinames[index]
 | 
	
		
			
				|  |  | +                        arg_count = u30(coder)
 | 
	
		
			
				|  |  | +                        args = list(reversed(
 | 
	
		
			
				|  |  | +                            [stack.pop() for _ in range(arg_count)]))
 | 
	
		
			
				|  |  | +                        obj = stack.pop()
 | 
	
		
			
				|  |  | +                        if mname == u'split':
 | 
	
		
			
				|  |  | +                            assert len(args) == 1
 | 
	
		
			
				|  |  | +                            assert isinstance(args[0], compat_str)
 | 
	
		
			
				|  |  | +                            assert isinstance(obj, compat_str)
 | 
	
		
			
				|  |  | +                            if args[0] == u'':
 | 
	
		
			
				|  |  | +                                res = list(obj)
 | 
	
		
			
				|  |  | +                            else:
 | 
	
		
			
				|  |  | +                                res = obj.split(args[0])
 | 
	
		
			
				|  |  | +                            stack.append(res)
 | 
	
		
			
				|  |  | +                        elif mname in method_pyfunctions:
 | 
	
		
			
				|  |  | +                            stack.append(method_pyfunctions[mname](args))
 | 
	
		
			
				|  |  | +                        else:
 | 
	
		
			
				|  |  | +                            raise NotImplementedError(
 | 
	
		
			
				|  |  | +                                u'Unsupported property %r on %r'
 | 
	
		
			
				|  |  | +                                % (mname, obj))
 | 
	
		
			
				|  |  | +                    elif opcode == 93:  # findpropstrict
 | 
	
		
			
				|  |  | +                        index = u30(coder)
 | 
	
		
			
				|  |  | +                        mname = multinames[index]
 | 
	
		
			
				|  |  | +                        res = extract_function(mname)
 | 
	
		
			
				|  |  | +                        stack.append(res)
 | 
	
		
			
				|  |  | +                    elif opcode == 97:  # setproperty
 | 
	
		
			
				|  |  | +                        index = u30(coder)
 | 
	
		
			
				|  |  | +                        value = stack.pop()
 | 
	
		
			
				|  |  | +                        idx = stack.pop()
 | 
	
		
			
				|  |  | +                        obj = stack.pop()
 | 
	
		
			
				|  |  | +                        assert isinstance(obj, list)
 | 
	
		
			
				|  |  | +                        assert isinstance(idx, int)
 | 
	
		
			
				|  |  | +                        obj[idx] = value
 | 
	
		
			
				|  |  | +                    elif opcode == 98:  # getlocal
 | 
	
		
			
				|  |  | +                        index = u30(coder)
 | 
	
		
			
				|  |  | +                        stack.append(registers[index])
 | 
	
		
			
				|  |  | +                    elif opcode == 99:  # setlocal
 | 
	
		
			
				|  |  | +                        index = u30(coder)
 | 
	
		
			
				|  |  | +                        value = stack.pop()
 | 
	
		
			
				|  |  | +                        registers[index] = value
 | 
	
		
			
				|  |  | +                    elif opcode == 102:  # getproperty
 | 
	
		
			
				|  |  | +                        index = u30(coder)
 | 
	
		
			
				|  |  | +                        pname = multinames[index]
 | 
	
		
			
				|  |  | +                        if pname == u'length':
 | 
	
		
			
				|  |  | +                            obj = stack.pop()
 | 
	
		
			
				|  |  | +                            assert isinstance(obj, list)
 | 
	
		
			
				|  |  | +                            stack.append(len(obj))
 | 
	
		
			
				|  |  | +                        else:  # Assume attribute access
 | 
	
		
			
				|  |  | +                            idx = stack.pop()
 | 
	
		
			
				|  |  | +                            assert isinstance(idx, int)
 | 
	
		
			
				|  |  | +                            obj = stack.pop()
 | 
	
		
			
				|  |  | +                            assert isinstance(obj, list)
 | 
	
		
			
				|  |  | +                            stack.append(obj[idx])
 | 
	
		
			
				|  |  | +                    elif opcode == 128:  # coerce
 | 
	
		
			
				|  |  | +                        _ = u30(coder)
 | 
	
		
			
				|  |  | +                    elif opcode == 133:  # coerce_s
 | 
	
		
			
				|  |  | +                        assert isinstance(stack[-1], (type(None), compat_str))
 | 
	
		
			
				|  |  | +                    elif opcode == 164:  # modulo
 | 
	
		
			
				|  |  | +                        value2 = stack.pop()
 | 
	
		
			
				|  |  | +                        value1 = stack.pop()
 | 
	
		
			
				|  |  | +                        res = value1 % value2
 | 
	
		
			
				|  |  | +                        stack.append(res)
 | 
	
		
			
				|  |  | +                    elif opcode == 214:  # setlocal_2
 | 
	
		
			
				|  |  | +                        registers[2] = stack.pop()
 | 
	
		
			
				|  |  | +                    elif opcode == 215:  # setlocal_3
 | 
	
		
			
				|  |  | +                        registers[3] = stack.pop()
 | 
	
		
			
				|  |  | +                    else:
 | 
	
		
			
				|  |  | +                        raise NotImplementedError(
 | 
	
		
			
				|  |  | +                            u'Unsupported opcode %d' % opcode)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +            method_pyfunctions[func_name] = resfunc
 | 
	
		
			
				|  |  | +            return resfunc
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        initial_function = extract_function(u'decipher')
 | 
	
		
			
				|  |  | +        return lambda s: initial_function([s])
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    def _decrypt_signature(self, s, video_id, jsplayer_url, age_gate=False):
 | 
	
		
			
				|  |  |          """Turn the encrypted s field into a working signature"""
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -        if len(s) == 93:
 | 
	
		
			
				|  |  | -            return s[86:29:-1] + s[88] + s[28:5:-1]
 | 
	
		
			
				|  |  | -        elif len(s) == 92:
 | 
	
		
			
				|  |  | +        if jsplayer_url is not None:
 | 
	
		
			
				|  |  | +            try:
 | 
	
		
			
				|  |  | +                if jsplayer_url not in self._jsplayer_cache:
 | 
	
		
			
				|  |  | +                    self._jsplayer_cache[jsplayer_url] = self._extract_signature_function(
 | 
	
		
			
				|  |  | +                        video_id, jsplayer_url
 | 
	
		
			
				|  |  | +                    )
 | 
	
		
			
				|  |  | +                return self._jsplayer_cache[jsplayer_url]([s])
 | 
	
		
			
				|  |  | +            except Exception as e:
 | 
	
		
			
				|  |  | +                tb = traceback.format_exc()
 | 
	
		
			
				|  |  | +                self._downloader.report_warning(u'Automatic signature extraction failed: ' + tb)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        self._downloader.report_warning(u'Warning: Falling back to static signature algorithm')
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if age_gate:
 | 
	
		
			
				|  |  | +            # The videos with age protection use another player, so the
 | 
	
		
			
				|  |  | +            # algorithms can be different.
 | 
	
		
			
				|  |  | +            if len(s) == 86:
 | 
	
		
			
				|  |  | +                return s[2:63] + s[82] + s[64:82] + s[63]
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if len(s) == 92:
 | 
	
		
			
				|  |  |              return s[25] + s[3:25] + s[0] + s[26:42] + s[79] + s[43:79] + s[91] + s[80:83]
 | 
	
		
			
				|  |  | -        elif len(s) == 91:
 | 
	
		
			
				|  |  | -            return s[84:27:-1] + s[86] + s[26:5:-1]
 | 
	
		
			
				|  |  |          elif len(s) == 90:
 | 
	
		
			
				|  |  |              return s[25] + s[3:25] + s[2] + s[26:40] + s[77] + s[41:77] + s[89] + s[78:81]
 | 
	
		
			
				|  |  |          elif len(s) == 89:
 | 
	
	
		
			
				|  | @@ -631,7 +1190,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
 | 
	
		
			
				|  |  |          video_webpage = video_webpage_bytes.decode('utf-8', 'ignore')
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |          # Attempt to extract SWF player URL
 | 
	
		
			
				|  |  | -        mobj = re.search(r'swfConfig.*?"(http:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
 | 
	
		
			
				|  |  | +        mobj = re.search(r'swfConfig.*?"(https?:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
 | 
	
		
			
				|  |  |          if mobj is not None:
 | 
	
		
			
				|  |  |              player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
 | 
	
		
			
				|  |  |          else:
 | 
	
	
		
			
				|  | @@ -784,21 +1343,31 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
 | 
	
		
			
				|  |  |                      if 'sig' in url_data:
 | 
	
		
			
				|  |  |                          url += '&signature=' + url_data['sig'][0]
 | 
	
		
			
				|  |  |                      elif 's' in url_data:
 | 
	
		
			
				|  |  | +                        encrypted_sig = url_data['s'][0]
 | 
	
		
			
				|  |  |                          if self._downloader.params.get('verbose'):
 | 
	
		
			
				|  |  | -                            s = url_data['s'][0]
 | 
	
		
			
				|  |  |                              if age_gate:
 | 
	
		
			
				|  |  | -                                player = 'flash player'
 | 
	
		
			
				|  |  | +                                player_version = self._search_regex(r'-(.+)\.swf$',
 | 
	
		
			
				|  |  | +                                    player_url if player_url else 'NOT FOUND',
 | 
	
		
			
				|  |  | +                                    'flash player', fatal=False)
 | 
	
		
			
				|  |  | +                                player_desc = 'flash player %s' % player_version
 | 
	
		
			
				|  |  |                              else:
 | 
	
		
			
				|  |  | -                                player = u'html5 player %s' % self._search_regex(r'html5player-(.+?)\.js', video_webpage,
 | 
	
		
			
				|  |  | +                                player_version = self._search_regex(r'html5player-(.+?)\.js', video_webpage,
 | 
	
		
			
				|  |  |                                      'html5 player', fatal=False)
 | 
	
		
			
				|  |  | -                            parts_sizes = u'.'.join(compat_str(len(part)) for part in s.split('.'))
 | 
	
		
			
				|  |  | +                                player_desc = u'html5 player %s' % player_version
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +                            parts_sizes = u'.'.join(compat_str(len(part)) for part in encrypted_sig.split('.'))
 | 
	
		
			
				|  |  |                              self.to_screen(u'encrypted signature length %d (%s), itag %s, %s' %
 | 
	
		
			
				|  |  | -                                (len(s), parts_sizes, url_data['itag'][0], player))
 | 
	
		
			
				|  |  | -                        encrypted_sig = url_data['s'][0]
 | 
	
		
			
				|  |  | +                                (len(encrypted_sig), parts_sizes, url_data['itag'][0], player_desc))
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  |                          if age_gate:
 | 
	
		
			
				|  |  | -                            signature = self._decrypt_signature_age_gate(encrypted_sig)
 | 
	
		
			
				|  |  | +                            jsplayer_url = None
 | 
	
		
			
				|  |  |                          else:
 | 
	
		
			
				|  |  | -                            signature = self._decrypt_signature(encrypted_sig)
 | 
	
		
			
				|  |  | +                            jsplayer_url_json = self._search_regex(
 | 
	
		
			
				|  |  | +                                r'"assets":.+?"js":\s*("[^"]+")',
 | 
	
		
			
				|  |  | +                                video_webpage, u'JS player URL')
 | 
	
		
			
				|  |  | +                            jsplayer_url = json.loads(jsplayer_url_json)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +                        signature = self._decrypt_signature(encrypted_sig, video_id, jsplayer_url, age_gate)
 | 
	
		
			
				|  |  |                          url += '&signature=' + signature
 | 
	
		
			
				|  |  |                      if 'ratebypass' not in url:
 | 
	
		
			
				|  |  |                          url += '&ratebypass=yes'
 |