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https://github.com/ytdl-org/youtube-dl
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[openload] Fix extraction (closes #10408)
Thanks @yokrysty for the algorithm
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@ -1,3 +1,9 @@
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version <unreleased>
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Extractors
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* [openload] Fix extraction (#10408)
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version 2016.08.22
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Core
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@ -1,12 +1,12 @@
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# coding: utf-8
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from __future__ import unicode_literals, division
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import math
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from .common import InfoExtractor
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from ..compat import compat_chr
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from ..compat import (
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compat_chr,
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compat_ord,
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)
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from ..utils import (
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decode_png,
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determine_ext,
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ExtractorError,
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)
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@ -42,71 +42,26 @@ class OpenloadIE(InfoExtractor):
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def _real_extract(self, url):
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video_id = self._match_id(url)
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webpage = self._download_webpage(url, video_id)
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webpage = self._download_webpage('https://openload.co/embed/%s/' % video_id, video_id)
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if 'File not found' in webpage:
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if 'File not found' in webpage or 'deleted by the owner' in webpage:
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raise ExtractorError('File not found', expected=True)
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# The following extraction logic is proposed by @Belderak and @gdkchan
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# and declared to be used freely in youtube-dl
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# See https://github.com/rg3/youtube-dl/issues/9706
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# The following decryption algorithm is written by @yokrysty and
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# declared to be freely used in youtube-dl
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# See https://github.com/rg3/youtube-dl/issues/10408
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enc_data = self._html_search_regex(
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r'<span[^>]+id="hiddenurl"[^>]*>([^<]+)</span>', webpage, 'encrypted data')
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numbers_js = self._download_webpage(
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'https://openload.co/assets/js/obfuscator/n.js', video_id,
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note='Downloading signature numbers')
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signums = self._search_regex(
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r'window\.signatureNumbers\s*=\s*[\'"](?P<data>[a-z]+)[\'"]',
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numbers_js, 'signature numbers', group='data')
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video_url_chars = []
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linkimg_uri = self._search_regex(
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r'<img[^>]+id="linkimg"[^>]+src="([^"]+)"', webpage, 'link image')
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linkimg = self._request_webpage(
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linkimg_uri, video_id, note=False).read()
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for c in enc_data:
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j = compat_ord(c)
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if j >= 33 and j <= 126:
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j = ((j + 14) % 94) + 33
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video_url_chars += compat_chr(j)
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width, height, pixels = decode_png(linkimg)
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output = ''
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for y in range(height):
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for x in range(width):
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r, g, b = pixels[y][3 * x:3 * x + 3]
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if r == 0 and g == 0 and b == 0:
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break
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else:
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output += compat_chr(r)
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output += compat_chr(g)
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output += compat_chr(b)
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img_str_length = len(output) // 200
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img_str = [[0 for x in range(img_str_length)] for y in range(10)]
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sig_str_length = len(signums) // 260
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sig_str = [[0 for x in range(sig_str_length)] for y in range(10)]
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for i in range(10):
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for j in range(img_str_length):
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begin = i * img_str_length * 20 + j * 20
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img_str[i][j] = output[begin:begin + 20]
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for j in range(sig_str_length):
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begin = i * sig_str_length * 26 + j * 26
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sig_str[i][j] = signums[begin:begin + 26]
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parts = []
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# TODO: find better names for str_, chr_ and sum_
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str_ = ''
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for i in [2, 3, 5, 7]:
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str_ = ''
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sum_ = float(99)
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for j in range(len(sig_str[i])):
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for chr_idx in range(len(img_str[i][j])):
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if sum_ > float(122):
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sum_ = float(98)
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chr_ = compat_chr(int(math.floor(sum_)))
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if sig_str[i][j][chr_idx] == chr_ and j >= len(str_):
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sum_ += float(2.5)
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str_ += img_str[i][j][chr_idx]
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parts.append(str_.replace(',', ''))
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video_url = 'https://openload.co/stream/%s~%s~%s~%s' % (parts[3], parts[1], parts[2], parts[0])
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video_url = 'https://openload.co/stream/%s?mime=true' % ''.join(video_url_chars)
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title = self._og_search_title(webpage, default=None) or self._search_regex(
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r'<span[^>]+class=["\']title["\'][^>]*>([^<]+)', webpage,
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