[openload] rewrite extractor

This commit is contained in:
Tithen-Firion 2017-04-16 00:34:34 +02:00
parent 0254f93b08
commit 47e0cef46e

View File

@ -1,12 +1,16 @@
# coding: utf-8
from __future__ import unicode_literals
import os
import re
import subprocess
import tempfile
from .common import InfoExtractor
from ..compat import compat_chr
from ..utils import (
check_executable,
determine_ext,
encodeArgument,
ExtractorError,
)
@ -58,6 +62,39 @@ class OpenloadIE(InfoExtractor):
'only_matching': True,
}]
_PHANTOMJS_SCRIPT = r'''
phantom.onError = function(msg, trace) {
var msgStack = ['PHANTOM ERROR: ' + msg];
if(trace && trace.length) {
msgStack.push('TRACE:');
trace.forEach(function(t) {
msgStack.push(' -> ' + (t.file || t.sourceURL) + ': ' + t.line
+ (t.function ? ' (in function ' + t.function +')' : ''));
});
}
console.error(msgStack.join('\n'));
phantom.exit(1);
};
var page = require('webpage').create();
page.settings.resourceTimeout = 10000;
page.onInitialized = function() {
page.evaluate(function() {
delete window._phantom;
delete window.callPhantom;
});
};
page.open('https://openload.co/embed/%s/', function(status) {
var info = page.evaluate(function() {
return {
decoded_id: document.getElementById('streamurl').innerHTML,
title: document.querySelector('meta[name="og:title"],'
+ 'meta[name=description]').content
};
});
console.log(info.decoded_id + ' ' + info.title);
phantom.exit();
});'''
@staticmethod
def _extract_urls(webpage):
return re.findall(
@ -65,61 +102,48 @@ class OpenloadIE(InfoExtractor):
webpage)
def _real_extract(self, url):
exe = check_executable('phantomjs', ['-v'])
if not exe:
raise ExtractorError('PhantomJS executable not found in PATH, '
'download it from http://phantomjs.org',
expected=True)
video_id = self._match_id(url)
webpage = self._download_webpage('https://openload.co/embed/%s/' % video_id, video_id)
url = 'https://openload.co/embed/%s/' % video_id
webpage = self._download_webpage(url, video_id)
if 'File not found' in webpage or 'deleted by the owner' in webpage:
raise ExtractorError('File not found', expected=True)
raise ExtractorError('File not found', expected=True, video_id=video_id)
ol_id = self._search_regex(
'<span[^>]+id="[^"]+"[^>]*>([0-9A-Za-z]+)</span>',
webpage, 'openload ID')
script_file = tempfile.NamedTemporaryFile(mode='w', delete=False)
decoded = ''
a = ol_id[0:24]
b = []
for i in range(0, len(a), 8):
b.append(int(a[i:i + 8] or '0', 16))
ol_id = ol_id[24:]
j = 0
k = 0
while j < len(ol_id):
c = 128
d = 0
e = 0
f = 0
_more = True
while _more:
if j + 1 >= len(ol_id):
c = 143
f = int(ol_id[j:j + 2] or '0', 16)
j += 2
d += (f & 127) << e
e += 7
_more = f >= c
g = d ^ b[k % 3]
for i in range(4):
char_dec = (g >> 8 * i) & (c + 127)
char = compat_chr(char_dec)
if char != '#':
decoded += char
k += 1
# write JS script to file and close it
with script_file:
script_file.write(self._PHANTOMJS_SCRIPT % video_id)
video_url = 'https://openload.co/stream/%s?mime=true'
video_url = video_url % decoded
self.to_screen('%s: Decoding video ID with PhantomJS' % video_id)
title = self._og_search_title(webpage, default=None) or self._search_regex(
r'<span[^>]+class=["\']title["\'][^>]*>([^<]+)', webpage,
'title', default=None) or self._html_search_meta(
'description', webpage, 'title', fatal=True)
p = subprocess.Popen([exe, '--ssl-protocol=any', script_file.name],
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
output, err = p.communicate()
if p.returncode != 0:
raise ExtractorError('Decoding failed\n:'
+ encodeArgument(err))
else:
decoded_id, title = encodeArgument(output).strip().split(' ', 1)
os.remove(script_file.name)
video_url = 'https://openload.co/stream/%s?mime=true' % decoded_id
entries = self._parse_html5_media_entries(url, webpage, video_id)
subtitles = entries[0]['subtitles'] if entries else None
entry = entries[0] if entries else {}
subtitles = entry.get('subtitles')
info_dict = {
'id': video_id,
'title': title,
'thumbnail': self._og_search_thumbnail(webpage, default=None),
'thumbnail': entry.get('thumbnail') or self._og_search_thumbnail(webpage, default=None),
'url': video_url,
# Seems all videos have extensions in their titles
'ext': determine_ext(title, 'mp4'),