From 5be8ce9a45bfe0f4781e09c6374731552902db4f Mon Sep 17 00:00:00 2001 From: Matt Broadway Date: Wed, 21 Jul 2021 21:32:49 +0100 Subject: [PATCH] Add option `--cookies-from-browser` to load cookies from a browser (#488) * also adds `--no-cookies-from-browser` Original PR: https://github.com/ytdl-org/youtube-dl/pull/29201 Authored by: mbway --- YoutubeDL.py | 15 +- __init__.py | 8 + cookies.py | 730 +++++++++++++++++++++++++++++++++++++++++++ extractor/youtube.py | 4 +- options.py | 22 +- 5 files changed, 767 insertions(+), 12 deletions(-) create mode 100644 cookies.py diff --git a/YoutubeDL.py b/YoutubeDL.py index 3ab59ea31e65..594886506d44 100644 --- a/YoutubeDL.py +++ b/YoutubeDL.py @@ -31,7 +31,6 @@ from .compat import ( compat_basestring, - compat_cookiejar, compat_get_terminal_size, compat_kwargs, compat_numeric_types, @@ -42,6 +41,7 @@ compat_urllib_request, compat_urllib_request_DataHandler, ) +from .cookies import load_cookies from .utils import ( age_restricted, args_to_str, @@ -110,7 +110,6 @@ version_tuple, write_json_file, write_string, - YoutubeDLCookieJar, YoutubeDLCookieProcessor, YoutubeDLHandler, YoutubeDLRedirectHandler, @@ -290,6 +289,9 @@ class YoutubeDL(object): break_on_reject: Stop the download process when encountering a video that has been filtered out. cookiefile: File name where cookies should be read from and dumped to + cookiesfrombrowser: A tuple containing the name of the browser and the profile + name/path from where cookies are loaded. + Eg: ('chrome', ) or (vivaldi, 'default') nocheckcertificate:Do not verify SSL certificates prefer_insecure: Use HTTP instead of HTTPS to retrieve information. At the moment, this is only supported by YouTube. @@ -3211,16 +3213,11 @@ def _setup_opener(self): timeout_val = self.params.get('socket_timeout') self._socket_timeout = 600 if timeout_val is None else float(timeout_val) + opts_cookiesfrombrowser = self.params.get('cookiesfrombrowser') opts_cookiefile = self.params.get('cookiefile') opts_proxy = self.params.get('proxy') - if opts_cookiefile is None: - self.cookiejar = compat_cookiejar.CookieJar() - else: - opts_cookiefile = expand_path(opts_cookiefile) - self.cookiejar = YoutubeDLCookieJar(opts_cookiefile) - if os.access(opts_cookiefile, os.R_OK): - self.cookiejar.load(ignore_discard=True, ignore_expires=True) + self.cookiejar = load_cookies(opts_cookiefile, opts_cookiesfrombrowser, self) cookie_processor = YoutubeDLCookieProcessor(self.cookiejar) if opts_proxy is not None: diff --git a/__init__.py b/__init__.py index 30482e6c3e6a..5cbc58424247 100644 --- a/__init__.py +++ b/__init__.py @@ -20,6 +20,7 @@ compat_getpass, workaround_optparse_bug9161, ) +from .cookies import SUPPORTED_BROWSERS from .utils import ( DateRange, decodeOption, @@ -242,6 +243,12 @@ def parse_retries(retries, name=''): if opts.convertthumbnails not in FFmpegThumbnailsConvertorPP.SUPPORTED_EXTS: parser.error('invalid thumbnail format specified') + if opts.cookiesfrombrowser is not None: + opts.cookiesfrombrowser = [ + part.strip() or None for part in opts.cookiesfrombrowser.split(':', 1)] + if opts.cookiesfrombrowser[0] not in SUPPORTED_BROWSERS: + parser.error('unsupported browser specified for cookies') + if opts.date is not None: date = DateRange.day(opts.date) else: @@ -628,6 +635,7 @@ def report_args_compat(arg, name): 'break_on_reject': opts.break_on_reject, 'skip_playlist_after_errors': opts.skip_playlist_after_errors, 'cookiefile': opts.cookiefile, + 'cookiesfrombrowser': opts.cookiesfrombrowser, 'nocheckcertificate': opts.no_check_certificate, 'prefer_insecure': opts.prefer_insecure, 'proxy': opts.proxy, diff --git a/cookies.py b/cookies.py new file mode 100644 index 000000000000..62743e72f087 --- /dev/null +++ b/cookies.py @@ -0,0 +1,730 @@ +import ctypes +import json +import os +import shutil +import sqlite3 +import struct +import subprocess +import sys +import tempfile +from datetime import datetime, timedelta, timezone +from hashlib import pbkdf2_hmac + +from yt_dlp.aes import aes_cbc_decrypt +from yt_dlp.compat import ( + compat_b64decode, + compat_cookiejar_Cookie, +) +from yt_dlp.utils import ( + bytes_to_intlist, + expand_path, + intlist_to_bytes, + process_communicate_or_kill, + YoutubeDLCookieJar, +) + +try: + from Crypto.Cipher import AES + CRYPTO_AVAILABLE = True +except ImportError: + CRYPTO_AVAILABLE = False + +try: + import keyring + KEYRING_AVAILABLE = True +except ImportError: + KEYRING_AVAILABLE = False + + +CHROMIUM_BASED_BROWSERS = {'brave', 'chrome', 'chromium', 'edge', 'opera', 'vivaldi'} +SUPPORTED_BROWSERS = CHROMIUM_BASED_BROWSERS | {'firefox', 'safari'} + + +class YDLLogger: + def __init__(self, ydl=None): + self._ydl = ydl + + def debug(self, message): + if self._ydl: + self._ydl.write_debug(message) + + def info(self, message): + if self._ydl: + self._ydl.to_screen(f'[Cookies] {message}') + + def warning(self, message, only_once=False): + if self._ydl: + self._ydl.report_warning(message, only_once) + + def error(self, message): + if self._ydl: + self._ydl.report_error(message) + + +def load_cookies(cookie_file, browser_specification, ydl): + cookie_jars = [] + if browser_specification is not None: + browser_name, profile = _parse_browser_specification(*browser_specification) + cookie_jars.append(extract_cookies_from_browser(browser_name, profile, YDLLogger(ydl))) + + if cookie_file is not None: + cookie_file = expand_path(cookie_file) + jar = YoutubeDLCookieJar(cookie_file) + if os.access(cookie_file, os.R_OK): + jar.load(ignore_discard=True, ignore_expires=True) + cookie_jars.append(jar) + + return _merge_cookie_jars(cookie_jars) + + +def extract_cookies_from_browser(browser_name, profile=None, logger=YDLLogger()): + if browser_name == 'firefox': + return _extract_firefox_cookies(profile, logger) + elif browser_name == 'safari': + return _extract_safari_cookies(profile, logger) + elif browser_name in CHROMIUM_BASED_BROWSERS: + return _extract_chrome_cookies(browser_name, profile, logger) + else: + raise ValueError('unknown browser: {}'.format(browser_name)) + + +def _extract_firefox_cookies(profile, logger): + logger.info('Extracting cookies from firefox') + + if profile is None: + search_root = _firefox_browser_dir() + elif _is_path(profile): + search_root = profile + else: + search_root = os.path.join(_firefox_browser_dir(), profile) + + cookie_database_path = _find_most_recently_used_file(search_root, 'cookies.sqlite') + if cookie_database_path is None: + raise FileNotFoundError('could not find firefox cookies database in {}'.format(search_root)) + logger.debug('extracting from: "{}"'.format(cookie_database_path)) + + with tempfile.TemporaryDirectory(prefix='youtube_dl') as tmpdir: + cursor = None + try: + cursor = _open_database_copy(cookie_database_path, tmpdir) + cursor.execute('SELECT host, name, value, path, expiry, isSecure FROM moz_cookies') + jar = YoutubeDLCookieJar() + for host, name, value, path, expiry, is_secure in cursor.fetchall(): + cookie = compat_cookiejar_Cookie( + version=0, name=name, value=value, port=None, port_specified=False, + domain=host, domain_specified=bool(host), domain_initial_dot=host.startswith('.'), + path=path, path_specified=bool(path), secure=is_secure, expires=expiry, discard=False, + comment=None, comment_url=None, rest={}) + jar.set_cookie(cookie) + logger.info('Extracted {} cookies from firefox'.format(len(jar))) + return jar + finally: + if cursor is not None: + cursor.connection.close() + + +def _firefox_browser_dir(): + if sys.platform in ('linux', 'linux2'): + return os.path.expanduser('~/.mozilla/firefox') + elif sys.platform == 'win32': + return os.path.expandvars(r'%APPDATA%\Mozilla\Firefox\Profiles') + elif sys.platform == 'darwin': + return os.path.expanduser('~/Library/Application Support/Firefox') + else: + raise ValueError('unsupported platform: {}'.format(sys.platform)) + + +def _get_chromium_based_browser_settings(browser_name): + # https://chromium.googlesource.com/chromium/src/+/HEAD/docs/user_data_dir.md + if sys.platform in ('linux', 'linux2'): + config = _config_home() + browser_dir = { + 'brave': os.path.join(config, 'BraveSoftware/Brave-Browser'), + 'chrome': os.path.join(config, 'google-chrome'), + 'chromium': os.path.join(config, 'chromium'), + 'edge': os.path.join(config, 'microsoft-edge'), + 'opera': os.path.join(config, 'opera'), + 'vivaldi': os.path.join(config, 'vivaldi'), + }[browser_name] + + elif sys.platform == 'win32': + appdata_local = os.path.expandvars('%LOCALAPPDATA%') + appdata_roaming = os.path.expandvars('%APPDATA%') + browser_dir = { + 'brave': os.path.join(appdata_local, r'BraveSoftware\Brave-Browser\User Data'), + 'chrome': os.path.join(appdata_local, r'Google\Chrome\User Data'), + 'chromium': os.path.join(appdata_local, r'Chromium\User Data'), + 'edge': os.path.join(appdata_local, r'Microsoft\Edge\User Data'), + 'opera': os.path.join(appdata_roaming, r'Opera Software\Opera Stable'), + 'vivaldi': os.path.join(appdata_local, r'Vivaldi\User Data'), + }[browser_name] + + elif sys.platform == 'darwin': + appdata = os.path.expanduser('~/Library/Application Support') + browser_dir = { + 'brave': os.path.join(appdata, 'BraveSoftware/Brave-Browser'), + 'chrome': os.path.join(appdata, 'Google/Chrome'), + 'chromium': os.path.join(appdata, 'Chromium'), + 'edge': os.path.join(appdata, 'Microsoft Edge'), + 'opera': os.path.join(appdata, 'com.operasoftware.Opera'), + 'vivaldi': os.path.join(appdata, 'Vivaldi'), + }[browser_name] + + else: + raise ValueError('unsupported platform: {}'.format(sys.platform)) + + # Linux keyring names can be determined by snooping on dbus while opening the browser in KDE: + # dbus-monitor "interface='org.kde.KWallet'" "type=method_return" + keyring_name = { + 'brave': 'Brave', + 'chrome': 'Chrome', + 'chromium': 'Chromium', + 'edge': 'Mirosoft Edge' if sys.platform == 'darwin' else 'Chromium', + 'opera': 'Opera' if sys.platform == 'darwin' else 'Chromium', + 'vivaldi': 'Vivaldi' if sys.platform == 'darwin' else 'Chrome', + }[browser_name] + + browsers_without_profiles = {'opera'} + + return { + 'browser_dir': browser_dir, + 'keyring_name': keyring_name, + 'supports_profiles': browser_name not in browsers_without_profiles + } + + +def _extract_chrome_cookies(browser_name, profile, logger): + logger.info('Extracting cookies from {}'.format(browser_name)) + config = _get_chromium_based_browser_settings(browser_name) + + if profile is None: + search_root = config['browser_dir'] + elif _is_path(profile): + search_root = profile + config['browser_dir'] = os.path.dirname(profile) if config['supports_profiles'] else profile + else: + if config['supports_profiles']: + search_root = os.path.join(config['browser_dir'], profile) + else: + logger.error('{} does not support profiles'.format(browser_name)) + search_root = config['browser_dir'] + + cookie_database_path = _find_most_recently_used_file(search_root, 'Cookies') + if cookie_database_path is None: + raise FileNotFoundError('could not find {} cookies database in "{}"'.format(browser_name, search_root)) + logger.debug('extracting from: "{}"'.format(cookie_database_path)) + + decryptor = get_cookie_decryptor(config['browser_dir'], config['keyring_name'], logger) + + with tempfile.TemporaryDirectory(prefix='youtube_dl') as tmpdir: + cursor = None + try: + cursor = _open_database_copy(cookie_database_path, tmpdir) + cursor.connection.text_factory = bytes + column_names = _get_column_names(cursor, 'cookies') + secure_column = 'is_secure' if 'is_secure' in column_names else 'secure' + cursor.execute('SELECT host_key, name, value, encrypted_value, path, ' + 'expires_utc, {} FROM cookies'.format(secure_column)) + jar = YoutubeDLCookieJar() + failed_cookies = 0 + for host_key, name, value, encrypted_value, path, expires_utc, is_secure in cursor.fetchall(): + host_key = host_key.decode('utf-8') + name = name.decode('utf-8') + value = value.decode('utf-8') + path = path.decode('utf-8') + + if not value and encrypted_value: + value = decryptor.decrypt(encrypted_value) + if value is None: + failed_cookies += 1 + continue + + cookie = compat_cookiejar_Cookie( + version=0, name=name, value=value, port=None, port_specified=False, + domain=host_key, domain_specified=bool(host_key), domain_initial_dot=host_key.startswith('.'), + path=path, path_specified=bool(path), secure=is_secure, expires=expires_utc, discard=False, + comment=None, comment_url=None, rest={}) + jar.set_cookie(cookie) + if failed_cookies > 0: + failed_message = ' ({} could not be decrypted)'.format(failed_cookies) + else: + failed_message = '' + logger.info('Extracted {} cookies from {}{}'.format(len(jar), browser_name, failed_message)) + return jar + finally: + if cursor is not None: + cursor.connection.close() + + +class ChromeCookieDecryptor: + """ + Overview: + + Linux: + - cookies are either v10 or v11 + - v10: AES-CBC encrypted with a fixed key + - v11: AES-CBC encrypted with an OS protected key (keyring) + - v11 keys can be stored in various places depending on the activate desktop environment [2] + + Mac: + - cookies are either v10 or not v10 + - v10: AES-CBC encrypted with an OS protected key (keyring) and more key derivation iterations than linux + - not v10: 'old data' stored as plaintext + + Windows: + - cookies are either v10 or not v10 + - v10: AES-GCM encrypted with a key which is encrypted with DPAPI + - not v10: encrypted with DPAPI + + Sources: + - [1] https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/ + - [2] https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/key_storage_linux.cc + - KeyStorageLinux::CreateService + """ + + def decrypt(self, encrypted_value): + raise NotImplementedError + + +def get_cookie_decryptor(browser_root, browser_keyring_name, logger): + if sys.platform in ('linux', 'linux2'): + return LinuxChromeCookieDecryptor(browser_keyring_name, logger) + elif sys.platform == 'darwin': + return MacChromeCookieDecryptor(browser_keyring_name, logger) + elif sys.platform == 'win32': + return WindowsChromeCookieDecryptor(browser_root, logger) + else: + raise NotImplementedError('Chrome cookie decryption is not supported ' + 'on this platform: {}'.format(sys.platform)) + + +class LinuxChromeCookieDecryptor(ChromeCookieDecryptor): + def __init__(self, browser_keyring_name, logger): + self._logger = logger + self._v10_key = self.derive_key(b'peanuts') + if KEYRING_AVAILABLE: + self._v11_key = self.derive_key(_get_linux_keyring_password(browser_keyring_name)) + else: + self._v11_key = None + + @staticmethod + def derive_key(password): + # values from + # https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/os_crypt_linux.cc + return pbkdf2_sha1(password, salt=b'saltysalt', iterations=1, key_length=16) + + def decrypt(self, encrypted_value): + version = encrypted_value[:3] + ciphertext = encrypted_value[3:] + + if version == b'v10': + return _decrypt_aes_cbc(ciphertext, self._v10_key, self._logger) + + elif version == b'v11': + if self._v11_key is None: + self._logger.warning('cannot decrypt cookie as the `keyring` module is not installed. ' + 'Please install by running `python3 -m pip install keyring`. ' + 'Note that depending on your platform, additional packages may be required ' + 'to access the keyring, see https://pypi.org/project/keyring', only_once=True) + return None + return _decrypt_aes_cbc(ciphertext, self._v11_key, self._logger) + + else: + return None + + +class MacChromeCookieDecryptor(ChromeCookieDecryptor): + def __init__(self, browser_keyring_name, logger): + self._logger = logger + password = _get_mac_keyring_password(browser_keyring_name) + self._v10_key = None if password is None else self.derive_key(password) + + @staticmethod + def derive_key(password): + # values from + # https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/os_crypt_mac.mm + return pbkdf2_sha1(password, salt=b'saltysalt', iterations=1003, key_length=16) + + def decrypt(self, encrypted_value): + version = encrypted_value[:3] + ciphertext = encrypted_value[3:] + + if version == b'v10': + if self._v10_key is None: + self._logger.warning('cannot decrypt v10 cookies: no key found', only_once=True) + return None + + return _decrypt_aes_cbc(ciphertext, self._v10_key, self._logger) + + else: + # other prefixes are considered 'old data' which were stored as plaintext + # https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/os_crypt_mac.mm + return encrypted_value + + +class WindowsChromeCookieDecryptor(ChromeCookieDecryptor): + def __init__(self, browser_root, logger): + self._logger = logger + self._v10_key = _get_windows_v10_key(browser_root, logger) + + def decrypt(self, encrypted_value): + version = encrypted_value[:3] + ciphertext = encrypted_value[3:] + + if version == b'v10': + if self._v10_key is None: + self._logger.warning('cannot decrypt v10 cookies: no key found', only_once=True) + return None + elif not CRYPTO_AVAILABLE: + self._logger.warning('cannot decrypt cookie as the `pycryptodome` module is not installed. ' + 'Please install by running `python3 -m pip install pycryptodome`', + only_once=True) + return None + + # https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/os_crypt_win.cc + # kNonceLength + nonce_length = 96 // 8 + # boringssl + # EVP_AEAD_AES_GCM_TAG_LEN + authentication_tag_length = 16 + + raw_ciphertext = ciphertext + nonce = raw_ciphertext[:nonce_length] + ciphertext = raw_ciphertext[nonce_length:-authentication_tag_length] + authentication_tag = raw_ciphertext[-authentication_tag_length:] + + return _decrypt_aes_gcm(ciphertext, self._v10_key, nonce, authentication_tag, self._logger) + + else: + # any other prefix means the data is DPAPI encrypted + # https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/os_crypt_win.cc + return _decrypt_windows_dpapi(encrypted_value, self._logger).decode('utf-8') + + +def _extract_safari_cookies(profile, logger): + if profile is not None: + logger.error('safari does not support profiles') + if sys.platform != 'darwin': + raise ValueError('unsupported platform: {}'.format(sys.platform)) + + cookies_path = os.path.expanduser('~/Library/Cookies/Cookies.binarycookies') + + if not os.path.isfile(cookies_path): + raise FileNotFoundError('could not find safari cookies database') + + with open(cookies_path, 'rb') as f: + cookies_data = f.read() + + jar = parse_safari_cookies(cookies_data, logger=logger) + logger.info('Extracted {} cookies from safari'.format(len(jar))) + return jar + + +class ParserError(Exception): + pass + + +class DataParser: + def __init__(self, data, logger): + self._data = data + self.cursor = 0 + self._logger = logger + + def read_bytes(self, num_bytes): + if num_bytes < 0: + raise ParserError('invalid read of {} bytes'.format(num_bytes)) + end = self.cursor + num_bytes + if end > len(self._data): + raise ParserError('reached end of input') + data = self._data[self.cursor:end] + self.cursor = end + return data + + def expect_bytes(self, expected_value, message): + value = self.read_bytes(len(expected_value)) + if value != expected_value: + raise ParserError('unexpected value: {} != {} ({})'.format(value, expected_value, message)) + + def read_uint(self, big_endian=False): + data_format = '>I' if big_endian else ' 0: + self._logger.debug('skipping {} bytes ({}): {}'.format( + num_bytes, description, self.read_bytes(num_bytes))) + elif num_bytes < 0: + raise ParserError('invalid skip of {} bytes'.format(num_bytes)) + + def skip_to(self, offset, description='unknown'): + self.skip(offset - self.cursor, description) + + def skip_to_end(self, description='unknown'): + self.skip_to(len(self._data), description) + + +def _mac_absolute_time_to_posix(timestamp): + return int((datetime(2001, 1, 1, 0, 0, tzinfo=timezone.utc) + timedelta(seconds=timestamp)).timestamp()) + + +def _parse_safari_cookies_header(data, logger): + p = DataParser(data, logger) + p.expect_bytes(b'cook', 'database signature') + number_of_pages = p.read_uint(big_endian=True) + page_sizes = [p.read_uint(big_endian=True) for _ in range(number_of_pages)] + return page_sizes, p.cursor + + +def _parse_safari_cookies_page(data, jar, logger): + p = DataParser(data, logger) + p.expect_bytes(b'\x00\x00\x01\x00', 'page signature') + number_of_cookies = p.read_uint() + record_offsets = [p.read_uint() for _ in range(number_of_cookies)] + if number_of_cookies == 0: + logger.debug('a cookies page of size {} has no cookies'.format(len(data))) + return + + p.skip_to(record_offsets[0], 'unknown page header field') + + for record_offset in record_offsets: + p.skip_to(record_offset, 'space between records') + record_length = _parse_safari_cookies_record(data[record_offset:], jar, logger) + p.read_bytes(record_length) + p.skip_to_end('space in between pages') + + +def _parse_safari_cookies_record(data, jar, logger): + p = DataParser(data, logger) + record_size = p.read_uint() + p.skip(4, 'unknown record field 1') + flags = p.read_uint() + is_secure = bool(flags & 0x0001) + p.skip(4, 'unknown record field 2') + domain_offset = p.read_uint() + name_offset = p.read_uint() + path_offset = p.read_uint() + value_offset = p.read_uint() + p.skip(8, 'unknown record field 3') + expiration_date = _mac_absolute_time_to_posix(p.read_double()) + _creation_date = _mac_absolute_time_to_posix(p.read_double()) # noqa: F841 + + try: + p.skip_to(domain_offset) + domain = p.read_cstring() + + p.skip_to(name_offset) + name = p.read_cstring() + + p.skip_to(path_offset) + path = p.read_cstring() + + p.skip_to(value_offset) + value = p.read_cstring() + except UnicodeDecodeError: + logger.warning('failed to parse cookie because UTF-8 decoding failed') + return record_size + + p.skip_to(record_size, 'space at the end of the record') + + cookie = compat_cookiejar_Cookie( + version=0, name=name, value=value, port=None, port_specified=False, + domain=domain, domain_specified=bool(domain), domain_initial_dot=domain.startswith('.'), + path=path, path_specified=bool(path), secure=is_secure, expires=expiration_date, discard=False, + comment=None, comment_url=None, rest={}) + jar.set_cookie(cookie) + return record_size + + +def parse_safari_cookies(data, jar=None, logger=YDLLogger()): + """ + References: + - https://github.com/libyal/dtformats/blob/main/documentation/Safari%20Cookies.asciidoc + - this data appears to be out of date but the important parts of the database structure is the same + - there are a few bytes here and there which are skipped during parsing + """ + if jar is None: + jar = YoutubeDLCookieJar() + page_sizes, body_start = _parse_safari_cookies_header(data, logger) + p = DataParser(data[body_start:], logger) + for page_size in page_sizes: + _parse_safari_cookies_page(p.read_bytes(page_size), jar, logger) + p.skip_to_end('footer') + return jar + + +def _get_linux_keyring_password(browser_keyring_name): + password = keyring.get_password('{} Keys'.format(browser_keyring_name), + '{} Safe Storage'.format(browser_keyring_name)) + if password is None: + # this sometimes occurs in KDE because chrome does not check hasEntry and instead + # just tries to read the value (which kwallet returns "") whereas keyring checks hasEntry + # to verify this: + # dbus-monitor "interface='org.kde.KWallet'" "type=method_return" + # while starting chrome. + # this may be a bug as the intended behaviour is to generate a random password and store + # it, but that doesn't matter here. + password = '' + return password.encode('utf-8') + + +def _get_mac_keyring_password(browser_keyring_name): + if KEYRING_AVAILABLE: + password = keyring.get_password('{} Safe Storage'.format(browser_keyring_name), browser_keyring_name) + return password.encode('utf-8') + else: + proc = subprocess.Popen(['security', 'find-generic-password', + '-w', # write password to stdout + '-a', browser_keyring_name, # match 'account' + '-s', '{} Safe Storage'.format(browser_keyring_name)], # match 'service' + stdout=subprocess.PIPE, + stderr=subprocess.DEVNULL) + try: + stdout, stderr = process_communicate_or_kill(proc) + return stdout + except BaseException: + return None + + +def _get_windows_v10_key(browser_root, logger): + path = _find_most_recently_used_file(browser_root, 'Local State') + if path is None: + logger.error('could not find local state file') + return None + with open(path, 'r') as f: + data = json.load(f) + try: + base64_key = data['os_crypt']['encrypted_key'] + except KeyError: + logger.error('no encrypted key in Local State') + return None + encrypted_key = compat_b64decode(base64_key) + prefix = b'DPAPI' + if not encrypted_key.startswith(prefix): + logger.error('invalid key') + return None + return _decrypt_windows_dpapi(encrypted_key[len(prefix):], logger) + + +def pbkdf2_sha1(password, salt, iterations, key_length): + return pbkdf2_hmac('sha1', password, salt, iterations, key_length) + + +def _decrypt_aes_cbc(ciphertext, key, logger, initialization_vector=b' ' * 16): + plaintext = aes_cbc_decrypt(bytes_to_intlist(ciphertext), + bytes_to_intlist(key), + bytes_to_intlist(initialization_vector)) + padding_length = plaintext[-1] + try: + return intlist_to_bytes(plaintext[:-padding_length]).decode('utf-8') + except UnicodeDecodeError: + logger.warning('failed to decrypt cookie because UTF-8 decoding failed. Possibly the key is wrong?') + return None + + +def _decrypt_aes_gcm(ciphertext, key, nonce, authentication_tag, logger): + cipher = AES.new(key, AES.MODE_GCM, nonce) + try: + plaintext = cipher.decrypt_and_verify(ciphertext, authentication_tag) + except ValueError: + logger.warning('failed to decrypt cookie because the MAC check failed. Possibly the key is wrong?') + return None + + try: + return plaintext.decode('utf-8') + except UnicodeDecodeError: + logger.warning('failed to decrypt cookie because UTF-8 decoding failed. Possibly the key is wrong?') + return None + + +def _decrypt_windows_dpapi(ciphertext, logger): + """ + References: + - https://docs.microsoft.com/en-us/windows/win32/api/dpapi/nf-dpapi-cryptunprotectdata + """ + from ctypes.wintypes import DWORD + + class DATA_BLOB(ctypes.Structure): + _fields_ = [('cbData', DWORD), + ('pbData', ctypes.POINTER(ctypes.c_char))] + + buffer = ctypes.create_string_buffer(ciphertext) + blob_in = DATA_BLOB(ctypes.sizeof(buffer), buffer) + blob_out = DATA_BLOB() + ret = ctypes.windll.crypt32.CryptUnprotectData( + ctypes.byref(blob_in), # pDataIn + None, # ppszDataDescr: human readable description of pDataIn + None, # pOptionalEntropy: salt? + None, # pvReserved: must be NULL + None, # pPromptStruct: information about prompts to display + 0, # dwFlags + ctypes.byref(blob_out) # pDataOut + ) + if not ret: + logger.warning('failed to decrypt with DPAPI') + return None + + result = ctypes.string_at(blob_out.pbData, blob_out.cbData) + ctypes.windll.kernel32.LocalFree(blob_out.pbData) + return result + + +def _config_home(): + return os.environ.get('XDG_CONFIG_HOME', os.path.expanduser('~/.config')) + + +def _open_database_copy(database_path, tmpdir): + # cannot open sqlite databases if they are already in use (e.g. by the browser) + database_copy_path = os.path.join(tmpdir, 'temporary.sqlite') + shutil.copy(database_path, database_copy_path) + conn = sqlite3.connect(database_copy_path) + return conn.cursor() + + +def _get_column_names(cursor, table_name): + table_info = cursor.execute('PRAGMA table_info({})'.format(table_name)).fetchall() + return [row[1].decode('utf-8') for row in table_info] + + +def _find_most_recently_used_file(root, filename): + # if there are multiple browser profiles, take the most recently used one + paths = [] + for root, dirs, files in os.walk(root): + for file in files: + if file == filename: + paths.append(os.path.join(root, file)) + return None if not paths else max(paths, key=lambda path: os.lstat(path).st_mtime) + + +def _merge_cookie_jars(jars): + output_jar = YoutubeDLCookieJar() + for jar in jars: + for cookie in jar: + output_jar.set_cookie(cookie) + if jar.filename is not None: + output_jar.filename = jar.filename + return output_jar + + +def _is_path(value): + return os.path.sep in value + + +def _parse_browser_specification(browser_name, profile=None): + if browser_name not in SUPPORTED_BROWSERS: + raise ValueError(f'unsupported browser: "{browser_name}"') + if profile is not None and _is_path(profile): + profile = os.path.expanduser(profile) + return browser_name, profile diff --git a/extractor/youtube.py b/extractor/youtube.py index 5ef59f680db7..73f38402bd0d 100644 --- a/extractor/youtube.py +++ b/extractor/youtube.py @@ -99,7 +99,9 @@ def warn(message): self.report_warning(message) # username+password login is broken - if self._LOGIN_REQUIRED and self.get_param('cookiefile') is None: + if (self._LOGIN_REQUIRED + and self.get_param('cookiefile') is None + and self.get_param('cookiesfrombrowser') is None): self.raise_login_required( 'Login details are needed to download this content', method='cookies') username, password = self._get_login_info() diff --git a/options.py b/options.py index f9201bf01c0b..5c3ac0dcdb0c 100644 --- a/options.py +++ b/options.py @@ -19,6 +19,7 @@ preferredencoding, write_string, ) +from .cookies import SUPPORTED_BROWSERS from .version import __version__ from .downloader.external import list_external_downloaders @@ -148,7 +149,10 @@ def _dict_from_options_callback( # No need to wrap help messages if we're on a wide console columns = compat_get_terminal_size().columns max_width = columns if columns else 80 - max_help_position = 80 + # 47% is chosen because that is how README.md is currently formatted + # and moving help text even further to the right is undesirable. + # This can be reduced in the future to get a prettier output + max_help_position = int(0.47 * max_width) fmt = optparse.IndentedHelpFormatter(width=max_width, max_help_position=max_help_position) fmt.format_option_strings = _format_option_string @@ -1087,7 +1091,21 @@ def _dict_from_options_callback( filesystem.add_option( '--no-cookies', action='store_const', const=None, dest='cookiefile', metavar='FILE', - help='Do not read/dump cookies (default)') + help='Do not read/dump cookies from/to file (default)') + filesystem.add_option( + '--cookies-from-browser', + dest='cookiesfrombrowser', metavar='BROWSER[:PROFILE]', + help=( + 'Load cookies from a user profile of the given web browser. ' + 'Currently supported browsers are: {}. ' + 'You can specify the user profile name or directory using ' + '"BROWSER:PROFILE_NAME" or "BROWSER:PROFILE_PATH". ' + 'If no profile is given, the most recently accessed one is used'.format( + '|'.join(sorted(SUPPORTED_BROWSERS))))) + filesystem.add_option( + '--no-cookies-from-browser', + action='store_const', const=None, dest='cookiesfrombrowser', + help='Do not load cookies from browser (default)') filesystem.add_option( '--cache-dir', dest='cachedir', default=None, metavar='DIR', help='Location in the filesystem where youtube-dl can store some downloaded information (such as client ids and signatures) permanently. By default $XDG_CACHE_HOME/youtube-dl or ~/.cache/youtube-dl')