mirror of
https://github.com/ytdl-org/youtube-dl.git
synced 2024-12-13 00:11:14 +01:00
244 lines
9.3 KiB
Python
244 lines
9.3 KiB
Python
from __future__ import unicode_literals
|
|
|
|
import json
|
|
import random
|
|
import re
|
|
|
|
from .common import InfoExtractor
|
|
from ..compat import (
|
|
compat_b64decode,
|
|
compat_HTTPError,
|
|
compat_str,
|
|
)
|
|
from ..utils import (
|
|
clean_html,
|
|
ExtractorError,
|
|
js_to_json,
|
|
parse_duration,
|
|
try_get,
|
|
unified_timestamp,
|
|
urlencode_postdata,
|
|
urljoin,
|
|
)
|
|
|
|
|
|
class LinuxAcademyIE(InfoExtractor):
|
|
_VALID_URL = r'''(?x)
|
|
https?://
|
|
(?:www\.)?linuxacademy\.com/cp/
|
|
(?:
|
|
courses/lesson/course/(?P<chapter_id>\d+)/lesson/(?P<lesson_id>\d+)|
|
|
modules/view/id/(?P<course_id>\d+)
|
|
)
|
|
'''
|
|
_TESTS = [{
|
|
'url': 'https://linuxacademy.com/cp/courses/lesson/course/7971/lesson/2/module/675',
|
|
'info_dict': {
|
|
'id': '7971-2',
|
|
'ext': 'mp4',
|
|
'title': 'What Is Data Science',
|
|
'description': 'md5:c574a3c20607144fb36cb65bdde76c99',
|
|
'timestamp': 1607387907,
|
|
'upload_date': '20201208',
|
|
'duration': 304,
|
|
},
|
|
'params': {
|
|
'skip_download': True,
|
|
},
|
|
'skip': 'Requires Linux Academy account credentials',
|
|
}, {
|
|
'url': 'https://linuxacademy.com/cp/courses/lesson/course/1498/lesson/2',
|
|
'only_matching': True,
|
|
}, {
|
|
'url': 'https://linuxacademy.com/cp/modules/view/id/154',
|
|
'info_dict': {
|
|
'id': '154',
|
|
'title': 'AWS Certified Cloud Practitioner',
|
|
'description': 'md5:a68a299ca9bb98d41cca5abc4d4ce22c',
|
|
'duration': 28835,
|
|
},
|
|
'playlist_count': 41,
|
|
'skip': 'Requires Linux Academy account credentials',
|
|
}]
|
|
|
|
_AUTHORIZE_URL = 'https://login.linuxacademy.com/authorize'
|
|
_ORIGIN_URL = 'https://linuxacademy.com'
|
|
_CLIENT_ID = 'KaWxNn1C2Gc7n83W9OFeXltd8Utb5vvx'
|
|
_NETRC_MACHINE = 'linuxacademy'
|
|
|
|
def _real_initialize(self):
|
|
self._login()
|
|
|
|
def _login(self):
|
|
username, password = self._get_login_info()
|
|
if username is None:
|
|
return
|
|
|
|
def random_string():
|
|
return ''.join([
|
|
random.choice('0123456789ABCDEFGHIJKLMNOPQRSTUVXYZabcdefghijklmnopqrstuvwxyz-._~')
|
|
for _ in range(32)])
|
|
|
|
webpage, urlh = self._download_webpage_handle(
|
|
self._AUTHORIZE_URL, None, 'Downloading authorize page', query={
|
|
'client_id': self._CLIENT_ID,
|
|
'response_type': 'token id_token',
|
|
'response_mode': 'web_message',
|
|
'redirect_uri': self._ORIGIN_URL,
|
|
'scope': 'openid email user_impersonation profile',
|
|
'audience': self._ORIGIN_URL,
|
|
'state': random_string(),
|
|
'nonce': random_string(),
|
|
})
|
|
|
|
login_data = self._parse_json(
|
|
self._search_regex(
|
|
r'atob\(\s*(["\'])(?P<value>(?:(?!\1).)+)\1', webpage,
|
|
'login info', group='value'), None,
|
|
transform_source=lambda x: compat_b64decode(x).decode('utf-8')
|
|
)['extraParams']
|
|
|
|
login_data.update({
|
|
'client_id': self._CLIENT_ID,
|
|
'redirect_uri': self._ORIGIN_URL,
|
|
'tenant': 'lacausers',
|
|
'connection': 'Username-Password-Authentication',
|
|
'username': username,
|
|
'password': password,
|
|
'sso': 'true',
|
|
})
|
|
|
|
login_state_url = urlh.geturl()
|
|
|
|
try:
|
|
login_page = self._download_webpage(
|
|
'https://login.linuxacademy.com/usernamepassword/login', None,
|
|
'Downloading login page', data=json.dumps(login_data).encode(),
|
|
headers={
|
|
'Content-Type': 'application/json',
|
|
'Origin': 'https://login.linuxacademy.com',
|
|
'Referer': login_state_url,
|
|
})
|
|
except ExtractorError as e:
|
|
if isinstance(e.cause, compat_HTTPError) and e.cause.code == 401:
|
|
error = self._parse_json(e.cause.read(), None)
|
|
message = error.get('description') or error['code']
|
|
raise ExtractorError(
|
|
'%s said: %s' % (self.IE_NAME, message), expected=True)
|
|
raise
|
|
|
|
callback_page, urlh = self._download_webpage_handle(
|
|
'https://login.linuxacademy.com/login/callback', None,
|
|
'Downloading callback page',
|
|
data=urlencode_postdata(self._hidden_inputs(login_page)),
|
|
headers={
|
|
'Content-Type': 'application/x-www-form-urlencoded',
|
|
'Origin': 'https://login.linuxacademy.com',
|
|
'Referer': login_state_url,
|
|
})
|
|
|
|
access_token = self._search_regex(
|
|
r'access_token=([^=&]+)', urlh.geturl(),
|
|
'access token', default=None)
|
|
if not access_token:
|
|
access_token = self._parse_json(
|
|
self._search_regex(
|
|
r'authorizationResponse\s*=\s*({.+?})\s*;', callback_page,
|
|
'authorization response'), None,
|
|
transform_source=js_to_json)['response']['access_token']
|
|
|
|
self._download_webpage(
|
|
'https://linuxacademy.com/cp/login/tokenValidateLogin/token/%s'
|
|
% access_token, None, 'Downloading token validation page')
|
|
|
|
def _real_extract(self, url):
|
|
mobj = re.match(self._VALID_URL, url)
|
|
chapter_id, lecture_id, course_id = mobj.group('chapter_id', 'lesson_id', 'course_id')
|
|
item_id = course_id if course_id else '%s-%s' % (chapter_id, lecture_id)
|
|
|
|
webpage = self._download_webpage(url, item_id)
|
|
|
|
# course path
|
|
if course_id:
|
|
module = self._parse_json(
|
|
self._search_regex(
|
|
r'window\.module\s*=\s*({.+?})\s*;', webpage, 'module'),
|
|
item_id)
|
|
entries = []
|
|
chapter_number = None
|
|
chapter = None
|
|
chapter_id = None
|
|
for item in module['items']:
|
|
if not isinstance(item, dict):
|
|
continue
|
|
|
|
def type_field(key):
|
|
return (try_get(item, lambda x: x['type'][key], compat_str) or '').lower()
|
|
type_fields = (type_field('name'), type_field('slug'))
|
|
# Move to next module section
|
|
if 'section' in type_fields:
|
|
chapter = item.get('course_name')
|
|
chapter_id = item.get('course_module')
|
|
chapter_number = 1 if not chapter_number else chapter_number + 1
|
|
continue
|
|
# Skip non-lessons
|
|
if 'lesson' not in type_fields:
|
|
continue
|
|
lesson_url = urljoin(url, item.get('url'))
|
|
if not lesson_url:
|
|
continue
|
|
title = item.get('title') or item.get('lesson_name')
|
|
description = item.get('md_desc') or clean_html(item.get('description')) or clean_html(item.get('text'))
|
|
entries.append({
|
|
'_type': 'url_transparent',
|
|
'url': lesson_url,
|
|
'ie_key': LinuxAcademyIE.ie_key(),
|
|
'title': title,
|
|
'description': description,
|
|
'timestamp': unified_timestamp(item.get('date')) or unified_timestamp(item.get('created_on')),
|
|
'duration': parse_duration(item.get('duration')),
|
|
'chapter': chapter,
|
|
'chapter_id': chapter_id,
|
|
'chapter_number': chapter_number,
|
|
})
|
|
return {
|
|
'_type': 'playlist',
|
|
'entries': entries,
|
|
'id': course_id,
|
|
'title': module.get('title'),
|
|
'description': module.get('md_desc') or clean_html(module.get('desc')),
|
|
'duration': parse_duration(module.get('duration')),
|
|
}
|
|
|
|
# single video path
|
|
m3u8_url = self._parse_json(
|
|
self._search_regex(
|
|
r'player\.playlist\s*=\s*(\[.+?\])\s*;', webpage, 'playlist'),
|
|
item_id)[0]['file']
|
|
formats = self._extract_m3u8_formats(
|
|
m3u8_url, item_id, 'mp4', entry_protocol='m3u8_native',
|
|
m3u8_id='hls')
|
|
self._sort_formats(formats)
|
|
info = {
|
|
'id': item_id,
|
|
'formats': formats,
|
|
}
|
|
lesson = self._parse_json(
|
|
self._search_regex(
|
|
(r'window\.lesson\s*=\s*({.+?})\s*;',
|
|
r'player\.lesson\s*=\s*({.+?})\s*;'),
|
|
webpage, 'lesson', default='{}'), item_id, fatal=False)
|
|
if lesson:
|
|
info.update({
|
|
'title': lesson.get('lesson_name'),
|
|
'description': lesson.get('md_desc') or clean_html(lesson.get('desc')),
|
|
'timestamp': unified_timestamp(lesson.get('date')) or unified_timestamp(lesson.get('created_on')),
|
|
'duration': parse_duration(lesson.get('duration')),
|
|
})
|
|
if not info.get('title'):
|
|
info['title'] = self._search_regex(
|
|
(r'>Lecture\s*:\s*(?P<value>[^<]+)',
|
|
r'lessonName\s*=\s*(["\'])(?P<value>(?:(?!\1).)+)\1'), webpage,
|
|
'title', group='value')
|
|
return info
|