[openload] separate PhantomJS code from extractor
This commit is contained in:
parent
47e0cef46e
commit
da57ebaf84
2 changed files with 157 additions and 62 deletions
|
@ -1,17 +1,14 @@
|
|||
# coding: utf-8
|
||||
from __future__ import unicode_literals
|
||||
|
||||
import os
|
||||
import re
|
||||
import subprocess
|
||||
import tempfile
|
||||
|
||||
from .common import InfoExtractor
|
||||
from ..utils import (
|
||||
check_executable,
|
||||
determine_ext,
|
||||
encodeArgument,
|
||||
ExtractorError,
|
||||
get_element_by_id,
|
||||
PhantomJSwrapper,
|
||||
)
|
||||
|
||||
|
||||
|
@ -62,38 +59,7 @@ 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();
|
||||
});'''
|
||||
_USER_AGENT = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36'
|
||||
|
||||
@staticmethod
|
||||
def _extract_urls(webpage):
|
||||
|
@ -102,40 +68,27 @@ 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)
|
||||
url = 'https://openload.co/embed/%s/' % video_id
|
||||
webpage = self._download_webpage(url, video_id)
|
||||
headers = {
|
||||
'User-Agent': self._USER_AGENT,
|
||||
}
|
||||
|
||||
phantom = PhantomJSwrapper(self)
|
||||
webpage, _ = phantom.get(url, video_id=video_id, headers=headers)
|
||||
|
||||
if 'File not found' in webpage or 'deleted by the owner' in webpage:
|
||||
raise ExtractorError('File not found', expected=True, video_id=video_id)
|
||||
|
||||
script_file = tempfile.NamedTemporaryFile(mode='w', delete=False)
|
||||
|
||||
# write JS script to file and close it
|
||||
with script_file:
|
||||
script_file.write(self._PHANTOMJS_SCRIPT % video_id)
|
||||
|
||||
self.to_screen('%s: Decoding video ID with PhantomJS' % video_id)
|
||||
|
||||
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)
|
||||
decoded_id = get_element_by_id('streamurl', webpage)
|
||||
|
||||
video_url = 'https://openload.co/stream/%s?mime=true' % decoded_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)
|
||||
|
||||
entries = self._parse_html5_media_entries(url, webpage, video_id)
|
||||
entry = entries[0] if entries else {}
|
||||
subtitles = entry.get('subtitles')
|
||||
|
@ -148,5 +101,6 @@ class OpenloadIE(InfoExtractor):
|
|||
# Seems all videos have extensions in their titles
|
||||
'ext': determine_ext(title, 'mp4'),
|
||||
'subtitles': subtitles,
|
||||
'http_headers': headers,
|
||||
}
|
||||
return info_dict
|
||||
|
|
|
@ -3652,3 +3652,144 @@ def write_xattr(path, key, value):
|
|||
"Couldn't find a tool to set the xattrs. "
|
||||
"Install either the python 'xattr' module, "
|
||||
"or the 'xattr' binary.")
|
||||
|
||||
|
||||
class PhantomJSwrapper(object):
|
||||
"""PhantomJS wrapper class"""
|
||||
|
||||
_TEMPLATE = 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();
|
||||
var fs = require('fs');
|
||||
var read = {{ mode: 'r', charset: 'utf-8' }};
|
||||
var write = {{ mode: 'w', charset: 'utf-8' }};
|
||||
page.settings.resourceTimeout = {timeout};
|
||||
page.settings.userAgent = "{ua}";
|
||||
page.onLoadStarted = function() {{
|
||||
page.evaluate(function() {{
|
||||
delete window._phantom;
|
||||
delete window.callPhantom;
|
||||
}});
|
||||
}};
|
||||
var saveAndExit = function() {{
|
||||
fs.write("{html}", page.content, write);
|
||||
phantom.exit();
|
||||
}};
|
||||
page.onLoadFinished = function(status) {{
|
||||
if(page.url === "") {{
|
||||
page.setContent(fs.read("{html}", read), "{url}");
|
||||
}}
|
||||
else {{
|
||||
{jscode}
|
||||
}}
|
||||
}};
|
||||
page.open("");
|
||||
'''
|
||||
|
||||
_TMP_FILE_NAMES = ['script', 'html']
|
||||
|
||||
def __init__(self, extractor, timeout=10000):
|
||||
self.exe = check_executable('phantomjs', ['-v'])
|
||||
if not self.exe:
|
||||
raise ExtractorError('PhantomJS executable not found in PATH, '
|
||||
'download it from http://phantomjs.org',
|
||||
expected=True)
|
||||
self.extractor = extractor
|
||||
self.options = {
|
||||
'timeout': timeout,
|
||||
}
|
||||
self._TMP_FILES = {}
|
||||
for name in self._TMP_FILE_NAMES:
|
||||
tmp = tempfile.NamedTemporaryFile(delete=False)
|
||||
tmp.close()
|
||||
self._TMP_FILES[name] = tmp
|
||||
|
||||
def __del__(self):
|
||||
for name in self._TMP_FILE_NAMES:
|
||||
try:
|
||||
os.remove(self._TMP_FILES[name].name)
|
||||
except:
|
||||
pass
|
||||
|
||||
def get(self, url, html=None, video_id=None, note=None, note2='Executing JS on webpage', headers={}, jscode='saveAndExit();'):
|
||||
"""
|
||||
Downloads webpage (if needed) and executes JS
|
||||
|
||||
Params:
|
||||
url: website url
|
||||
html: optional, html code of website
|
||||
video_id: video id
|
||||
note: optional, displayed when downloading webpage
|
||||
note2: optional, displayed when executing JS
|
||||
headers: custom http headers
|
||||
jscode: code to be executed when page is loaded
|
||||
|
||||
Returns tuple with:
|
||||
* downloaded website (after JS execution)
|
||||
* anything you print with `console.log` (but not inside `page.execute`!)
|
||||
|
||||
In most cases you don't need to add any `jscode`.
|
||||
It is executed in `page.onLoadFinished`.
|
||||
`saveAndExit();` is mandatory, use it instead of `phantom.exit()`
|
||||
It is possible to wait for some element on the webpage, for example:
|
||||
var check = function() {
|
||||
var elementFound = page.evaluate(function() {
|
||||
return document.querySelector('#b.done') !== null;
|
||||
});
|
||||
if(elementFound)
|
||||
saveAndExit();
|
||||
else
|
||||
window.setTimeout(check, 500);
|
||||
}
|
||||
|
||||
page.evaluate(function(){
|
||||
document.querySelector('#a').click();
|
||||
});
|
||||
check();
|
||||
"""
|
||||
if 'saveAndExit();' not in jscode:
|
||||
raise ExtractorError('`saveAndExit();` not found in `jscode`')
|
||||
if not html:
|
||||
html = self.extractor._download_webpage(url, video_id, note=note, headers=headers)
|
||||
with open(self._TMP_FILES['html'].name, 'wb') as f:
|
||||
f.write(html.encode('utf-8'))
|
||||
|
||||
replaces = self.options
|
||||
replaces['url'] = url
|
||||
user_agent = headers.get('User-Agent') or std_headers['User-Agent']
|
||||
replaces['ua'] = user_agent.replace('"', '\\"')
|
||||
replaces['jscode'] = jscode
|
||||
|
||||
for x in self._TMP_FILE_NAMES:
|
||||
replaces[x] = self._TMP_FILES[x].name.replace('\\', '\\\\').replace('"', '\\"')
|
||||
|
||||
with open(self._TMP_FILES['script'].name, 'wb') as f:
|
||||
f.write(self._TEMPLATE.format(**replaces).encode('utf-8'))
|
||||
|
||||
if video_id is None:
|
||||
self.extractor.to_screen('%s' % (note2,))
|
||||
else:
|
||||
self.extractor.to_screen('%s: %s' % (video_id, note2))
|
||||
|
||||
p = subprocess.Popen([self.exe, '--ssl-protocol=any',
|
||||
self._TMP_FILES['script'].name], stdout=subprocess.PIPE,
|
||||
stderr=subprocess.PIPE)
|
||||
out, err = p.communicate()
|
||||
if p.returncode != 0:
|
||||
raise ExtractorError('Executing JS failed\n:'
|
||||
+ encodeArgument(err))
|
||||
with open(self._TMP_FILES['html'].name, 'rb') as f:
|
||||
html = f.read().decode('utf-8')
|
||||
return (html, encodeArgument(out))
|
||||
|
||||
|
|
Loading…
Reference in a new issue