]>
Commit | Line | Data |
---|---|---|
1 | import base64 | |
2 | import contextlib | |
3 | import http.cookiejar | |
4 | import http.cookies | |
5 | import json | |
6 | import os | |
7 | import re | |
8 | import shutil | |
9 | import struct | |
10 | import subprocess | |
11 | import sys | |
12 | import tempfile | |
13 | import time | |
14 | from datetime import datetime, timedelta, timezone | |
15 | from enum import Enum, auto | |
16 | from hashlib import pbkdf2_hmac | |
17 | ||
18 | from .aes import ( | |
19 | aes_cbc_decrypt_bytes, | |
20 | aes_gcm_decrypt_and_verify_bytes, | |
21 | unpad_pkcs7, | |
22 | ) | |
23 | from .dependencies import ( | |
24 | _SECRETSTORAGE_UNAVAILABLE_REASON, | |
25 | secretstorage, | |
26 | sqlite3, | |
27 | ) | |
28 | from .minicurses import MultilinePrinter, QuietMultilinePrinter | |
29 | from .utils import ( | |
30 | Popen, | |
31 | YoutubeDLCookieJar, | |
32 | error_to_str, | |
33 | expand_path, | |
34 | is_path_like, | |
35 | try_call, | |
36 | ) | |
37 | ||
38 | CHROMIUM_BASED_BROWSERS = {'brave', 'chrome', 'chromium', 'edge', 'opera', 'vivaldi'} | |
39 | SUPPORTED_BROWSERS = CHROMIUM_BASED_BROWSERS | {'firefox', 'safari'} | |
40 | ||
41 | ||
42 | class YDLLogger: | |
43 | def __init__(self, ydl=None): | |
44 | self._ydl = ydl | |
45 | ||
46 | def debug(self, message): | |
47 | if self._ydl: | |
48 | self._ydl.write_debug(message) | |
49 | ||
50 | def info(self, message): | |
51 | if self._ydl: | |
52 | self._ydl.to_screen(f'[Cookies] {message}') | |
53 | ||
54 | def warning(self, message, only_once=False): | |
55 | if self._ydl: | |
56 | self._ydl.report_warning(message, only_once) | |
57 | ||
58 | def error(self, message): | |
59 | if self._ydl: | |
60 | self._ydl.report_error(message) | |
61 | ||
62 | class ProgressBar(MultilinePrinter): | |
63 | _DELAY, _timer = 0.1, 0 | |
64 | ||
65 | def print(self, message): | |
66 | if time.time() - self._timer > self._DELAY: | |
67 | self.print_at_line(f'[Cookies] {message}', 0) | |
68 | self._timer = time.time() | |
69 | ||
70 | def progress_bar(self): | |
71 | """Return a context manager with a print method. (Optional)""" | |
72 | # Do not print to files/pipes, loggers, or when --no-progress is used | |
73 | if not self._ydl or self._ydl.params.get('noprogress') or self._ydl.params.get('logger'): | |
74 | return | |
75 | file = self._ydl._out_files.error | |
76 | try: | |
77 | if not file.isatty(): | |
78 | return | |
79 | except BaseException: | |
80 | return | |
81 | return self.ProgressBar(file, preserve_output=False) | |
82 | ||
83 | ||
84 | def _create_progress_bar(logger): | |
85 | if hasattr(logger, 'progress_bar'): | |
86 | printer = logger.progress_bar() | |
87 | if printer: | |
88 | return printer | |
89 | printer = QuietMultilinePrinter() | |
90 | printer.print = lambda _: None | |
91 | return printer | |
92 | ||
93 | ||
94 | def load_cookies(cookie_file, browser_specification, ydl): | |
95 | cookie_jars = [] | |
96 | if browser_specification is not None: | |
97 | browser_name, profile, keyring, container = _parse_browser_specification(*browser_specification) | |
98 | cookie_jars.append( | |
99 | extract_cookies_from_browser(browser_name, profile, YDLLogger(ydl), keyring=keyring, container=container)) | |
100 | ||
101 | if cookie_file is not None: | |
102 | is_filename = is_path_like(cookie_file) | |
103 | if is_filename: | |
104 | cookie_file = expand_path(cookie_file) | |
105 | ||
106 | jar = YoutubeDLCookieJar(cookie_file) | |
107 | if not is_filename or os.access(cookie_file, os.R_OK): | |
108 | jar.load(ignore_discard=True, ignore_expires=True) | |
109 | cookie_jars.append(jar) | |
110 | ||
111 | return _merge_cookie_jars(cookie_jars) | |
112 | ||
113 | ||
114 | def extract_cookies_from_browser(browser_name, profile=None, logger=YDLLogger(), *, keyring=None, container=None): | |
115 | if browser_name == 'firefox': | |
116 | return _extract_firefox_cookies(profile, container, logger) | |
117 | elif browser_name == 'safari': | |
118 | return _extract_safari_cookies(profile, logger) | |
119 | elif browser_name in CHROMIUM_BASED_BROWSERS: | |
120 | return _extract_chrome_cookies(browser_name, profile, keyring, logger) | |
121 | else: | |
122 | raise ValueError(f'unknown browser: {browser_name}') | |
123 | ||
124 | ||
125 | def _extract_firefox_cookies(profile, container, logger): | |
126 | logger.info('Extracting cookies from firefox') | |
127 | if not sqlite3: | |
128 | logger.warning('Cannot extract cookies from firefox without sqlite3 support. ' | |
129 | 'Please use a python interpreter compiled with sqlite3 support') | |
130 | return YoutubeDLCookieJar() | |
131 | ||
132 | if profile is None: | |
133 | search_root = _firefox_browser_dir() | |
134 | elif _is_path(profile): | |
135 | search_root = profile | |
136 | else: | |
137 | search_root = os.path.join(_firefox_browser_dir(), profile) | |
138 | ||
139 | cookie_database_path = _find_most_recently_used_file(search_root, 'cookies.sqlite', logger) | |
140 | if cookie_database_path is None: | |
141 | raise FileNotFoundError(f'could not find firefox cookies database in {search_root}') | |
142 | logger.debug(f'Extracting cookies from: "{cookie_database_path}"') | |
143 | ||
144 | container_id = None | |
145 | if container not in (None, 'none'): | |
146 | containers_path = os.path.join(os.path.dirname(cookie_database_path), 'containers.json') | |
147 | if not os.path.isfile(containers_path) or not os.access(containers_path, os.R_OK): | |
148 | raise FileNotFoundError(f'could not read containers.json in {search_root}') | |
149 | with open(containers_path) as containers: | |
150 | identities = json.load(containers).get('identities', []) | |
151 | container_id = next((context.get('userContextId') for context in identities if container in ( | |
152 | context.get('name'), | |
153 | try_call(lambda: re.fullmatch(r'userContext([^\.]+)\.label', context['l10nID']).group()) | |
154 | )), None) | |
155 | if not isinstance(container_id, int): | |
156 | raise ValueError(f'could not find firefox container "{container}" in containers.json') | |
157 | ||
158 | with tempfile.TemporaryDirectory(prefix='yt_dlp') as tmpdir: | |
159 | cursor = None | |
160 | try: | |
161 | cursor = _open_database_copy(cookie_database_path, tmpdir) | |
162 | if isinstance(container_id, int): | |
163 | logger.debug( | |
164 | f'Only loading cookies from firefox container "{container}", ID {container_id}') | |
165 | cursor.execute( | |
166 | 'SELECT host, name, value, path, expiry, isSecure FROM moz_cookies WHERE originAttributes LIKE ? OR originAttributes LIKE ?', | |
167 | (f'%userContextId={container_id}', f'%userContextId={container_id}&%')) | |
168 | elif container == 'none': | |
169 | logger.debug('Only loading cookies not belonging to any container') | |
170 | cursor.execute( | |
171 | 'SELECT host, name, value, path, expiry, isSecure FROM moz_cookies WHERE NOT INSTR(originAttributes,"userContextId=")') | |
172 | else: | |
173 | cursor.execute('SELECT host, name, value, path, expiry, isSecure FROM moz_cookies') | |
174 | jar = YoutubeDLCookieJar() | |
175 | with _create_progress_bar(logger) as progress_bar: | |
176 | table = cursor.fetchall() | |
177 | total_cookie_count = len(table) | |
178 | for i, (host, name, value, path, expiry, is_secure) in enumerate(table): | |
179 | progress_bar.print(f'Loading cookie {i: 6d}/{total_cookie_count: 6d}') | |
180 | cookie = http.cookiejar.Cookie( | |
181 | version=0, name=name, value=value, port=None, port_specified=False, | |
182 | domain=host, domain_specified=bool(host), domain_initial_dot=host.startswith('.'), | |
183 | path=path, path_specified=bool(path), secure=is_secure, expires=expiry, discard=False, | |
184 | comment=None, comment_url=None, rest={}) | |
185 | jar.set_cookie(cookie) | |
186 | logger.info(f'Extracted {len(jar)} cookies from firefox') | |
187 | return jar | |
188 | finally: | |
189 | if cursor is not None: | |
190 | cursor.connection.close() | |
191 | ||
192 | ||
193 | def _firefox_browser_dir(): | |
194 | if sys.platform in ('cygwin', 'win32'): | |
195 | return os.path.expandvars(R'%APPDATA%\Mozilla\Firefox\Profiles') | |
196 | elif sys.platform == 'darwin': | |
197 | return os.path.expanduser('~/Library/Application Support/Firefox') | |
198 | return os.path.expanduser('~/.mozilla/firefox') | |
199 | ||
200 | ||
201 | def _get_chromium_based_browser_settings(browser_name): | |
202 | # https://chromium.googlesource.com/chromium/src/+/HEAD/docs/user_data_dir.md | |
203 | if sys.platform in ('cygwin', 'win32'): | |
204 | appdata_local = os.path.expandvars('%LOCALAPPDATA%') | |
205 | appdata_roaming = os.path.expandvars('%APPDATA%') | |
206 | browser_dir = { | |
207 | 'brave': os.path.join(appdata_local, R'BraveSoftware\Brave-Browser\User Data'), | |
208 | 'chrome': os.path.join(appdata_local, R'Google\Chrome\User Data'), | |
209 | 'chromium': os.path.join(appdata_local, R'Chromium\User Data'), | |
210 | 'edge': os.path.join(appdata_local, R'Microsoft\Edge\User Data'), | |
211 | 'opera': os.path.join(appdata_roaming, R'Opera Software\Opera Stable'), | |
212 | 'vivaldi': os.path.join(appdata_local, R'Vivaldi\User Data'), | |
213 | }[browser_name] | |
214 | ||
215 | elif sys.platform == 'darwin': | |
216 | appdata = os.path.expanduser('~/Library/Application Support') | |
217 | browser_dir = { | |
218 | 'brave': os.path.join(appdata, 'BraveSoftware/Brave-Browser'), | |
219 | 'chrome': os.path.join(appdata, 'Google/Chrome'), | |
220 | 'chromium': os.path.join(appdata, 'Chromium'), | |
221 | 'edge': os.path.join(appdata, 'Microsoft Edge'), | |
222 | 'opera': os.path.join(appdata, 'com.operasoftware.Opera'), | |
223 | 'vivaldi': os.path.join(appdata, 'Vivaldi'), | |
224 | }[browser_name] | |
225 | ||
226 | else: | |
227 | config = _config_home() | |
228 | browser_dir = { | |
229 | 'brave': os.path.join(config, 'BraveSoftware/Brave-Browser'), | |
230 | 'chrome': os.path.join(config, 'google-chrome'), | |
231 | 'chromium': os.path.join(config, 'chromium'), | |
232 | 'edge': os.path.join(config, 'microsoft-edge'), | |
233 | 'opera': os.path.join(config, 'opera'), | |
234 | 'vivaldi': os.path.join(config, 'vivaldi'), | |
235 | }[browser_name] | |
236 | ||
237 | # Linux keyring names can be determined by snooping on dbus while opening the browser in KDE: | |
238 | # dbus-monitor "interface='org.kde.KWallet'" "type=method_return" | |
239 | keyring_name = { | |
240 | 'brave': 'Brave', | |
241 | 'chrome': 'Chrome', | |
242 | 'chromium': 'Chromium', | |
243 | 'edge': 'Microsoft Edge' if sys.platform == 'darwin' else 'Chromium', | |
244 | 'opera': 'Opera' if sys.platform == 'darwin' else 'Chromium', | |
245 | 'vivaldi': 'Vivaldi' if sys.platform == 'darwin' else 'Chrome', | |
246 | }[browser_name] | |
247 | ||
248 | browsers_without_profiles = {'opera'} | |
249 | ||
250 | return { | |
251 | 'browser_dir': browser_dir, | |
252 | 'keyring_name': keyring_name, | |
253 | 'supports_profiles': browser_name not in browsers_without_profiles | |
254 | } | |
255 | ||
256 | ||
257 | def _extract_chrome_cookies(browser_name, profile, keyring, logger): | |
258 | logger.info(f'Extracting cookies from {browser_name}') | |
259 | ||
260 | if not sqlite3: | |
261 | logger.warning(f'Cannot extract cookies from {browser_name} without sqlite3 support. ' | |
262 | 'Please use a python interpreter compiled with sqlite3 support') | |
263 | return YoutubeDLCookieJar() | |
264 | ||
265 | config = _get_chromium_based_browser_settings(browser_name) | |
266 | ||
267 | if profile is None: | |
268 | search_root = config['browser_dir'] | |
269 | elif _is_path(profile): | |
270 | search_root = profile | |
271 | config['browser_dir'] = os.path.dirname(profile) if config['supports_profiles'] else profile | |
272 | else: | |
273 | if config['supports_profiles']: | |
274 | search_root = os.path.join(config['browser_dir'], profile) | |
275 | else: | |
276 | logger.error(f'{browser_name} does not support profiles') | |
277 | search_root = config['browser_dir'] | |
278 | ||
279 | cookie_database_path = _find_most_recently_used_file(search_root, 'Cookies', logger) | |
280 | if cookie_database_path is None: | |
281 | raise FileNotFoundError(f'could not find {browser_name} cookies database in "{search_root}"') | |
282 | logger.debug(f'Extracting cookies from: "{cookie_database_path}"') | |
283 | ||
284 | decryptor = get_cookie_decryptor(config['browser_dir'], config['keyring_name'], logger, keyring=keyring) | |
285 | ||
286 | with tempfile.TemporaryDirectory(prefix='yt_dlp') as tmpdir: | |
287 | cursor = None | |
288 | try: | |
289 | cursor = _open_database_copy(cookie_database_path, tmpdir) | |
290 | cursor.connection.text_factory = bytes | |
291 | column_names = _get_column_names(cursor, 'cookies') | |
292 | secure_column = 'is_secure' if 'is_secure' in column_names else 'secure' | |
293 | cursor.execute(f'SELECT host_key, name, value, encrypted_value, path, expires_utc, {secure_column} FROM cookies') | |
294 | jar = YoutubeDLCookieJar() | |
295 | failed_cookies = 0 | |
296 | unencrypted_cookies = 0 | |
297 | with _create_progress_bar(logger) as progress_bar: | |
298 | table = cursor.fetchall() | |
299 | total_cookie_count = len(table) | |
300 | for i, line in enumerate(table): | |
301 | progress_bar.print(f'Loading cookie {i: 6d}/{total_cookie_count: 6d}') | |
302 | is_encrypted, cookie = _process_chrome_cookie(decryptor, *line) | |
303 | if not cookie: | |
304 | failed_cookies += 1 | |
305 | continue | |
306 | elif not is_encrypted: | |
307 | unencrypted_cookies += 1 | |
308 | jar.set_cookie(cookie) | |
309 | if failed_cookies > 0: | |
310 | failed_message = f' ({failed_cookies} could not be decrypted)' | |
311 | else: | |
312 | failed_message = '' | |
313 | logger.info(f'Extracted {len(jar)} cookies from {browser_name}{failed_message}') | |
314 | counts = decryptor._cookie_counts.copy() | |
315 | counts['unencrypted'] = unencrypted_cookies | |
316 | logger.debug(f'cookie version breakdown: {counts}') | |
317 | return jar | |
318 | finally: | |
319 | if cursor is not None: | |
320 | cursor.connection.close() | |
321 | ||
322 | ||
323 | def _process_chrome_cookie(decryptor, host_key, name, value, encrypted_value, path, expires_utc, is_secure): | |
324 | host_key = host_key.decode() | |
325 | name = name.decode() | |
326 | value = value.decode() | |
327 | path = path.decode() | |
328 | is_encrypted = not value and encrypted_value | |
329 | ||
330 | if is_encrypted: | |
331 | value = decryptor.decrypt(encrypted_value) | |
332 | if value is None: | |
333 | return is_encrypted, None | |
334 | ||
335 | return is_encrypted, http.cookiejar.Cookie( | |
336 | version=0, name=name, value=value, port=None, port_specified=False, | |
337 | domain=host_key, domain_specified=bool(host_key), domain_initial_dot=host_key.startswith('.'), | |
338 | path=path, path_specified=bool(path), secure=is_secure, expires=expires_utc, discard=False, | |
339 | comment=None, comment_url=None, rest={}) | |
340 | ||
341 | ||
342 | class ChromeCookieDecryptor: | |
343 | """ | |
344 | Overview: | |
345 | ||
346 | Linux: | |
347 | - cookies are either v10 or v11 | |
348 | - v10: AES-CBC encrypted with a fixed key | |
349 | - v11: AES-CBC encrypted with an OS protected key (keyring) | |
350 | - v11 keys can be stored in various places depending on the activate desktop environment [2] | |
351 | ||
352 | Mac: | |
353 | - cookies are either v10 or not v10 | |
354 | - v10: AES-CBC encrypted with an OS protected key (keyring) and more key derivation iterations than linux | |
355 | - not v10: 'old data' stored as plaintext | |
356 | ||
357 | Windows: | |
358 | - cookies are either v10 or not v10 | |
359 | - v10: AES-GCM encrypted with a key which is encrypted with DPAPI | |
360 | - not v10: encrypted with DPAPI | |
361 | ||
362 | Sources: | |
363 | - [1] https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/ | |
364 | - [2] https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/key_storage_linux.cc | |
365 | - KeyStorageLinux::CreateService | |
366 | """ | |
367 | ||
368 | _cookie_counts = {} | |
369 | ||
370 | def decrypt(self, encrypted_value): | |
371 | raise NotImplementedError('Must be implemented by sub classes') | |
372 | ||
373 | ||
374 | def get_cookie_decryptor(browser_root, browser_keyring_name, logger, *, keyring=None): | |
375 | if sys.platform == 'darwin': | |
376 | return MacChromeCookieDecryptor(browser_keyring_name, logger) | |
377 | elif sys.platform in ('win32', 'cygwin'): | |
378 | return WindowsChromeCookieDecryptor(browser_root, logger) | |
379 | return LinuxChromeCookieDecryptor(browser_keyring_name, logger, keyring=keyring) | |
380 | ||
381 | ||
382 | class LinuxChromeCookieDecryptor(ChromeCookieDecryptor): | |
383 | def __init__(self, browser_keyring_name, logger, *, keyring=None): | |
384 | self._logger = logger | |
385 | self._v10_key = self.derive_key(b'peanuts') | |
386 | password = _get_linux_keyring_password(browser_keyring_name, keyring, logger) | |
387 | self._v11_key = None if password is None else self.derive_key(password) | |
388 | self._cookie_counts = {'v10': 0, 'v11': 0, 'other': 0} | |
389 | ||
390 | @staticmethod | |
391 | def derive_key(password): | |
392 | # values from | |
393 | # https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/os_crypt_linux.cc | |
394 | return pbkdf2_sha1(password, salt=b'saltysalt', iterations=1, key_length=16) | |
395 | ||
396 | def decrypt(self, encrypted_value): | |
397 | version = encrypted_value[:3] | |
398 | ciphertext = encrypted_value[3:] | |
399 | ||
400 | if version == b'v10': | |
401 | self._cookie_counts['v10'] += 1 | |
402 | return _decrypt_aes_cbc(ciphertext, self._v10_key, self._logger) | |
403 | ||
404 | elif version == b'v11': | |
405 | self._cookie_counts['v11'] += 1 | |
406 | if self._v11_key is None: | |
407 | self._logger.warning('cannot decrypt v11 cookies: no key found', only_once=True) | |
408 | return None | |
409 | return _decrypt_aes_cbc(ciphertext, self._v11_key, self._logger) | |
410 | ||
411 | else: | |
412 | self._cookie_counts['other'] += 1 | |
413 | return None | |
414 | ||
415 | ||
416 | class MacChromeCookieDecryptor(ChromeCookieDecryptor): | |
417 | def __init__(self, browser_keyring_name, logger): | |
418 | self._logger = logger | |
419 | password = _get_mac_keyring_password(browser_keyring_name, logger) | |
420 | self._v10_key = None if password is None else self.derive_key(password) | |
421 | self._cookie_counts = {'v10': 0, 'other': 0} | |
422 | ||
423 | @staticmethod | |
424 | def derive_key(password): | |
425 | # values from | |
426 | # https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/os_crypt_mac.mm | |
427 | return pbkdf2_sha1(password, salt=b'saltysalt', iterations=1003, key_length=16) | |
428 | ||
429 | def decrypt(self, encrypted_value): | |
430 | version = encrypted_value[:3] | |
431 | ciphertext = encrypted_value[3:] | |
432 | ||
433 | if version == b'v10': | |
434 | self._cookie_counts['v10'] += 1 | |
435 | if self._v10_key is None: | |
436 | self._logger.warning('cannot decrypt v10 cookies: no key found', only_once=True) | |
437 | return None | |
438 | ||
439 | return _decrypt_aes_cbc(ciphertext, self._v10_key, self._logger) | |
440 | ||
441 | else: | |
442 | self._cookie_counts['other'] += 1 | |
443 | # other prefixes are considered 'old data' which were stored as plaintext | |
444 | # https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/os_crypt_mac.mm | |
445 | return encrypted_value | |
446 | ||
447 | ||
448 | class WindowsChromeCookieDecryptor(ChromeCookieDecryptor): | |
449 | def __init__(self, browser_root, logger): | |
450 | self._logger = logger | |
451 | self._v10_key = _get_windows_v10_key(browser_root, logger) | |
452 | self._cookie_counts = {'v10': 0, 'other': 0} | |
453 | ||
454 | def decrypt(self, encrypted_value): | |
455 | version = encrypted_value[:3] | |
456 | ciphertext = encrypted_value[3:] | |
457 | ||
458 | if version == b'v10': | |
459 | self._cookie_counts['v10'] += 1 | |
460 | if self._v10_key is None: | |
461 | self._logger.warning('cannot decrypt v10 cookies: no key found', only_once=True) | |
462 | return None | |
463 | ||
464 | # https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/os_crypt_win.cc | |
465 | # kNonceLength | |
466 | nonce_length = 96 // 8 | |
467 | # boringssl | |
468 | # EVP_AEAD_AES_GCM_TAG_LEN | |
469 | authentication_tag_length = 16 | |
470 | ||
471 | raw_ciphertext = ciphertext | |
472 | nonce = raw_ciphertext[:nonce_length] | |
473 | ciphertext = raw_ciphertext[nonce_length:-authentication_tag_length] | |
474 | authentication_tag = raw_ciphertext[-authentication_tag_length:] | |
475 | ||
476 | return _decrypt_aes_gcm(ciphertext, self._v10_key, nonce, authentication_tag, self._logger) | |
477 | ||
478 | else: | |
479 | self._cookie_counts['other'] += 1 | |
480 | # any other prefix means the data is DPAPI encrypted | |
481 | # https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/os_crypt_win.cc | |
482 | return _decrypt_windows_dpapi(encrypted_value, self._logger).decode() | |
483 | ||
484 | ||
485 | def _extract_safari_cookies(profile, logger): | |
486 | if profile is not None: | |
487 | logger.error('safari does not support profiles') | |
488 | if sys.platform != 'darwin': | |
489 | raise ValueError(f'unsupported platform: {sys.platform}') | |
490 | ||
491 | cookies_path = os.path.expanduser('~/Library/Cookies/Cookies.binarycookies') | |
492 | ||
493 | if not os.path.isfile(cookies_path): | |
494 | logger.debug('Trying secondary cookie location') | |
495 | cookies_path = os.path.expanduser('~/Library/Containers/com.apple.Safari/Data/Library/Cookies/Cookies.binarycookies') | |
496 | if not os.path.isfile(cookies_path): | |
497 | raise FileNotFoundError('could not find safari cookies database') | |
498 | ||
499 | with open(cookies_path, 'rb') as f: | |
500 | cookies_data = f.read() | |
501 | ||
502 | jar = parse_safari_cookies(cookies_data, logger=logger) | |
503 | logger.info(f'Extracted {len(jar)} cookies from safari') | |
504 | return jar | |
505 | ||
506 | ||
507 | class ParserError(Exception): | |
508 | pass | |
509 | ||
510 | ||
511 | class DataParser: | |
512 | def __init__(self, data, logger): | |
513 | self._data = data | |
514 | self.cursor = 0 | |
515 | self._logger = logger | |
516 | ||
517 | def read_bytes(self, num_bytes): | |
518 | if num_bytes < 0: | |
519 | raise ParserError(f'invalid read of {num_bytes} bytes') | |
520 | end = self.cursor + num_bytes | |
521 | if end > len(self._data): | |
522 | raise ParserError('reached end of input') | |
523 | data = self._data[self.cursor:end] | |
524 | self.cursor = end | |
525 | return data | |
526 | ||
527 | def expect_bytes(self, expected_value, message): | |
528 | value = self.read_bytes(len(expected_value)) | |
529 | if value != expected_value: | |
530 | raise ParserError(f'unexpected value: {value} != {expected_value} ({message})') | |
531 | ||
532 | def read_uint(self, big_endian=False): | |
533 | data_format = '>I' if big_endian else '<I' | |
534 | return struct.unpack(data_format, self.read_bytes(4))[0] | |
535 | ||
536 | def read_double(self, big_endian=False): | |
537 | data_format = '>d' if big_endian else '<d' | |
538 | return struct.unpack(data_format, self.read_bytes(8))[0] | |
539 | ||
540 | def read_cstring(self): | |
541 | buffer = [] | |
542 | while True: | |
543 | c = self.read_bytes(1) | |
544 | if c == b'\x00': | |
545 | return b''.join(buffer).decode() | |
546 | else: | |
547 | buffer.append(c) | |
548 | ||
549 | def skip(self, num_bytes, description='unknown'): | |
550 | if num_bytes > 0: | |
551 | self._logger.debug(f'skipping {num_bytes} bytes ({description}): {self.read_bytes(num_bytes)!r}') | |
552 | elif num_bytes < 0: | |
553 | raise ParserError(f'invalid skip of {num_bytes} bytes') | |
554 | ||
555 | def skip_to(self, offset, description='unknown'): | |
556 | self.skip(offset - self.cursor, description) | |
557 | ||
558 | def skip_to_end(self, description='unknown'): | |
559 | self.skip_to(len(self._data), description) | |
560 | ||
561 | ||
562 | def _mac_absolute_time_to_posix(timestamp): | |
563 | return int((datetime(2001, 1, 1, 0, 0, tzinfo=timezone.utc) + timedelta(seconds=timestamp)).timestamp()) | |
564 | ||
565 | ||
566 | def _parse_safari_cookies_header(data, logger): | |
567 | p = DataParser(data, logger) | |
568 | p.expect_bytes(b'cook', 'database signature') | |
569 | number_of_pages = p.read_uint(big_endian=True) | |
570 | page_sizes = [p.read_uint(big_endian=True) for _ in range(number_of_pages)] | |
571 | return page_sizes, p.cursor | |
572 | ||
573 | ||
574 | def _parse_safari_cookies_page(data, jar, logger): | |
575 | p = DataParser(data, logger) | |
576 | p.expect_bytes(b'\x00\x00\x01\x00', 'page signature') | |
577 | number_of_cookies = p.read_uint() | |
578 | record_offsets = [p.read_uint() for _ in range(number_of_cookies)] | |
579 | if number_of_cookies == 0: | |
580 | logger.debug(f'a cookies page of size {len(data)} has no cookies') | |
581 | return | |
582 | ||
583 | p.skip_to(record_offsets[0], 'unknown page header field') | |
584 | ||
585 | with _create_progress_bar(logger) as progress_bar: | |
586 | for i, record_offset in enumerate(record_offsets): | |
587 | progress_bar.print(f'Loading cookie {i: 6d}/{number_of_cookies: 6d}') | |
588 | p.skip_to(record_offset, 'space between records') | |
589 | record_length = _parse_safari_cookies_record(data[record_offset:], jar, logger) | |
590 | p.read_bytes(record_length) | |
591 | p.skip_to_end('space in between pages') | |
592 | ||
593 | ||
594 | def _parse_safari_cookies_record(data, jar, logger): | |
595 | p = DataParser(data, logger) | |
596 | record_size = p.read_uint() | |
597 | p.skip(4, 'unknown record field 1') | |
598 | flags = p.read_uint() | |
599 | is_secure = bool(flags & 0x0001) | |
600 | p.skip(4, 'unknown record field 2') | |
601 | domain_offset = p.read_uint() | |
602 | name_offset = p.read_uint() | |
603 | path_offset = p.read_uint() | |
604 | value_offset = p.read_uint() | |
605 | p.skip(8, 'unknown record field 3') | |
606 | expiration_date = _mac_absolute_time_to_posix(p.read_double()) | |
607 | _creation_date = _mac_absolute_time_to_posix(p.read_double()) # noqa: F841 | |
608 | ||
609 | try: | |
610 | p.skip_to(domain_offset) | |
611 | domain = p.read_cstring() | |
612 | ||
613 | p.skip_to(name_offset) | |
614 | name = p.read_cstring() | |
615 | ||
616 | p.skip_to(path_offset) | |
617 | path = p.read_cstring() | |
618 | ||
619 | p.skip_to(value_offset) | |
620 | value = p.read_cstring() | |
621 | except UnicodeDecodeError: | |
622 | logger.warning('failed to parse Safari cookie because UTF-8 decoding failed', only_once=True) | |
623 | return record_size | |
624 | ||
625 | p.skip_to(record_size, 'space at the end of the record') | |
626 | ||
627 | cookie = http.cookiejar.Cookie( | |
628 | version=0, name=name, value=value, port=None, port_specified=False, | |
629 | domain=domain, domain_specified=bool(domain), domain_initial_dot=domain.startswith('.'), | |
630 | path=path, path_specified=bool(path), secure=is_secure, expires=expiration_date, discard=False, | |
631 | comment=None, comment_url=None, rest={}) | |
632 | jar.set_cookie(cookie) | |
633 | return record_size | |
634 | ||
635 | ||
636 | def parse_safari_cookies(data, jar=None, logger=YDLLogger()): | |
637 | """ | |
638 | References: | |
639 | - https://github.com/libyal/dtformats/blob/main/documentation/Safari%20Cookies.asciidoc | |
640 | - this data appears to be out of date but the important parts of the database structure is the same | |
641 | - there are a few bytes here and there which are skipped during parsing | |
642 | """ | |
643 | if jar is None: | |
644 | jar = YoutubeDLCookieJar() | |
645 | page_sizes, body_start = _parse_safari_cookies_header(data, logger) | |
646 | p = DataParser(data[body_start:], logger) | |
647 | for page_size in page_sizes: | |
648 | _parse_safari_cookies_page(p.read_bytes(page_size), jar, logger) | |
649 | p.skip_to_end('footer') | |
650 | return jar | |
651 | ||
652 | ||
653 | class _LinuxDesktopEnvironment(Enum): | |
654 | """ | |
655 | https://chromium.googlesource.com/chromium/src/+/refs/heads/main/base/nix/xdg_util.h | |
656 | DesktopEnvironment | |
657 | """ | |
658 | OTHER = auto() | |
659 | CINNAMON = auto() | |
660 | GNOME = auto() | |
661 | KDE = auto() | |
662 | PANTHEON = auto() | |
663 | UNITY = auto() | |
664 | XFCE = auto() | |
665 | ||
666 | ||
667 | class _LinuxKeyring(Enum): | |
668 | """ | |
669 | https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/key_storage_util_linux.h | |
670 | SelectedLinuxBackend | |
671 | """ | |
672 | KWALLET = auto() | |
673 | GNOMEKEYRING = auto() | |
674 | BASICTEXT = auto() | |
675 | ||
676 | ||
677 | SUPPORTED_KEYRINGS = _LinuxKeyring.__members__.keys() | |
678 | ||
679 | ||
680 | def _get_linux_desktop_environment(env): | |
681 | """ | |
682 | https://chromium.googlesource.com/chromium/src/+/refs/heads/main/base/nix/xdg_util.cc | |
683 | GetDesktopEnvironment | |
684 | """ | |
685 | xdg_current_desktop = env.get('XDG_CURRENT_DESKTOP', None) | |
686 | desktop_session = env.get('DESKTOP_SESSION', None) | |
687 | if xdg_current_desktop is not None: | |
688 | xdg_current_desktop = xdg_current_desktop.split(':')[0].strip() | |
689 | ||
690 | if xdg_current_desktop == 'Unity': | |
691 | if desktop_session is not None and 'gnome-fallback' in desktop_session: | |
692 | return _LinuxDesktopEnvironment.GNOME | |
693 | else: | |
694 | return _LinuxDesktopEnvironment.UNITY | |
695 | elif xdg_current_desktop == 'GNOME': | |
696 | return _LinuxDesktopEnvironment.GNOME | |
697 | elif xdg_current_desktop == 'X-Cinnamon': | |
698 | return _LinuxDesktopEnvironment.CINNAMON | |
699 | elif xdg_current_desktop == 'KDE': | |
700 | return _LinuxDesktopEnvironment.KDE | |
701 | elif xdg_current_desktop == 'Pantheon': | |
702 | return _LinuxDesktopEnvironment.PANTHEON | |
703 | elif xdg_current_desktop == 'XFCE': | |
704 | return _LinuxDesktopEnvironment.XFCE | |
705 | elif desktop_session is not None: | |
706 | if desktop_session in ('mate', 'gnome'): | |
707 | return _LinuxDesktopEnvironment.GNOME | |
708 | elif 'kde' in desktop_session: | |
709 | return _LinuxDesktopEnvironment.KDE | |
710 | elif 'xfce' in desktop_session: | |
711 | return _LinuxDesktopEnvironment.XFCE | |
712 | else: | |
713 | if 'GNOME_DESKTOP_SESSION_ID' in env: | |
714 | return _LinuxDesktopEnvironment.GNOME | |
715 | elif 'KDE_FULL_SESSION' in env: | |
716 | return _LinuxDesktopEnvironment.KDE | |
717 | return _LinuxDesktopEnvironment.OTHER | |
718 | ||
719 | ||
720 | def _choose_linux_keyring(logger): | |
721 | """ | |
722 | https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/key_storage_util_linux.cc | |
723 | SelectBackend | |
724 | """ | |
725 | desktop_environment = _get_linux_desktop_environment(os.environ) | |
726 | logger.debug(f'detected desktop environment: {desktop_environment.name}') | |
727 | if desktop_environment == _LinuxDesktopEnvironment.KDE: | |
728 | linux_keyring = _LinuxKeyring.KWALLET | |
729 | elif desktop_environment == _LinuxDesktopEnvironment.OTHER: | |
730 | linux_keyring = _LinuxKeyring.BASICTEXT | |
731 | else: | |
732 | linux_keyring = _LinuxKeyring.GNOMEKEYRING | |
733 | return linux_keyring | |
734 | ||
735 | ||
736 | def _get_kwallet_network_wallet(logger): | |
737 | """ The name of the wallet used to store network passwords. | |
738 | ||
739 | https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/kwallet_dbus.cc | |
740 | KWalletDBus::NetworkWallet | |
741 | which does a dbus call to the following function: | |
742 | https://api.kde.org/frameworks/kwallet/html/classKWallet_1_1Wallet.html | |
743 | Wallet::NetworkWallet | |
744 | """ | |
745 | default_wallet = 'kdewallet' | |
746 | try: | |
747 | stdout, _, returncode = Popen.run([ | |
748 | 'dbus-send', '--session', '--print-reply=literal', | |
749 | '--dest=org.kde.kwalletd5', | |
750 | '/modules/kwalletd5', | |
751 | 'org.kde.KWallet.networkWallet' | |
752 | ], text=True, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL) | |
753 | ||
754 | if returncode: | |
755 | logger.warning('failed to read NetworkWallet') | |
756 | return default_wallet | |
757 | else: | |
758 | logger.debug(f'NetworkWallet = "{stdout.strip()}"') | |
759 | return stdout.strip() | |
760 | except Exception as e: | |
761 | logger.warning(f'exception while obtaining NetworkWallet: {e}') | |
762 | return default_wallet | |
763 | ||
764 | ||
765 | def _get_kwallet_password(browser_keyring_name, logger): | |
766 | logger.debug('using kwallet-query to obtain password from kwallet') | |
767 | ||
768 | if shutil.which('kwallet-query') is None: | |
769 | logger.error('kwallet-query command not found. KWallet and kwallet-query ' | |
770 | 'must be installed to read from KWallet. kwallet-query should be' | |
771 | 'included in the kwallet package for your distribution') | |
772 | return b'' | |
773 | ||
774 | network_wallet = _get_kwallet_network_wallet(logger) | |
775 | ||
776 | try: | |
777 | stdout, _, returncode = Popen.run([ | |
778 | 'kwallet-query', | |
779 | '--read-password', f'{browser_keyring_name} Safe Storage', | |
780 | '--folder', f'{browser_keyring_name} Keys', | |
781 | network_wallet | |
782 | ], stdout=subprocess.PIPE, stderr=subprocess.DEVNULL) | |
783 | ||
784 | if returncode: | |
785 | logger.error(f'kwallet-query failed with return code {returncode}. ' | |
786 | 'Please consult the kwallet-query man page for details') | |
787 | return b'' | |
788 | else: | |
789 | if stdout.lower().startswith(b'failed to read'): | |
790 | logger.debug('failed to read password from kwallet. Using empty string instead') | |
791 | # this sometimes occurs in KDE because chrome does not check hasEntry and instead | |
792 | # just tries to read the value (which kwallet returns "") whereas kwallet-query | |
793 | # checks hasEntry. To verify this: | |
794 | # dbus-monitor "interface='org.kde.KWallet'" "type=method_return" | |
795 | # while starting chrome. | |
796 | # this may be a bug as the intended behaviour is to generate a random password and store | |
797 | # it, but that doesn't matter here. | |
798 | return b'' | |
799 | else: | |
800 | logger.debug('password found') | |
801 | return stdout.rstrip(b'\n') | |
802 | except Exception as e: | |
803 | logger.warning(f'exception running kwallet-query: {error_to_str(e)}') | |
804 | return b'' | |
805 | ||
806 | ||
807 | def _get_gnome_keyring_password(browser_keyring_name, logger): | |
808 | if not secretstorage: | |
809 | logger.error(f'secretstorage not available {_SECRETSTORAGE_UNAVAILABLE_REASON}') | |
810 | return b'' | |
811 | # the Gnome keyring does not seem to organise keys in the same way as KWallet, | |
812 | # using `dbus-monitor` during startup, it can be observed that chromium lists all keys | |
813 | # and presumably searches for its key in the list. It appears that we must do the same. | |
814 | # https://github.com/jaraco/keyring/issues/556 | |
815 | with contextlib.closing(secretstorage.dbus_init()) as con: | |
816 | col = secretstorage.get_default_collection(con) | |
817 | for item in col.get_all_items(): | |
818 | if item.get_label() == f'{browser_keyring_name} Safe Storage': | |
819 | return item.get_secret() | |
820 | else: | |
821 | logger.error('failed to read from keyring') | |
822 | return b'' | |
823 | ||
824 | ||
825 | def _get_linux_keyring_password(browser_keyring_name, keyring, logger): | |
826 | # note: chrome/chromium can be run with the following flags to determine which keyring backend | |
827 | # it has chosen to use | |
828 | # chromium --enable-logging=stderr --v=1 2>&1 | grep key_storage_ | |
829 | # Chromium supports a flag: --password-store=<basic|gnome|kwallet> so the automatic detection | |
830 | # will not be sufficient in all cases. | |
831 | ||
832 | keyring = _LinuxKeyring[keyring] if keyring else _choose_linux_keyring(logger) | |
833 | logger.debug(f'Chosen keyring: {keyring.name}') | |
834 | ||
835 | if keyring == _LinuxKeyring.KWALLET: | |
836 | return _get_kwallet_password(browser_keyring_name, logger) | |
837 | elif keyring == _LinuxKeyring.GNOMEKEYRING: | |
838 | return _get_gnome_keyring_password(browser_keyring_name, logger) | |
839 | elif keyring == _LinuxKeyring.BASICTEXT: | |
840 | # when basic text is chosen, all cookies are stored as v10 (so no keyring password is required) | |
841 | return None | |
842 | assert False, f'Unknown keyring {keyring}' | |
843 | ||
844 | ||
845 | def _get_mac_keyring_password(browser_keyring_name, logger): | |
846 | logger.debug('using find-generic-password to obtain password from OSX keychain') | |
847 | try: | |
848 | stdout, _, returncode = Popen.run( | |
849 | ['security', 'find-generic-password', | |
850 | '-w', # write password to stdout | |
851 | '-a', browser_keyring_name, # match 'account' | |
852 | '-s', f'{browser_keyring_name} Safe Storage'], # match 'service' | |
853 | stdout=subprocess.PIPE, stderr=subprocess.DEVNULL) | |
854 | if returncode: | |
855 | logger.warning('find-generic-password failed') | |
856 | return None | |
857 | return stdout.rstrip(b'\n') | |
858 | except Exception as e: | |
859 | logger.warning(f'exception running find-generic-password: {error_to_str(e)}') | |
860 | return None | |
861 | ||
862 | ||
863 | def _get_windows_v10_key(browser_root, logger): | |
864 | path = _find_most_recently_used_file(browser_root, 'Local State', logger) | |
865 | if path is None: | |
866 | logger.error('could not find local state file') | |
867 | return None | |
868 | logger.debug(f'Found local state file at "{path}"') | |
869 | with open(path, encoding='utf8') as f: | |
870 | data = json.load(f) | |
871 | try: | |
872 | base64_key = data['os_crypt']['encrypted_key'] | |
873 | except KeyError: | |
874 | logger.error('no encrypted key in Local State') | |
875 | return None | |
876 | encrypted_key = base64.b64decode(base64_key) | |
877 | prefix = b'DPAPI' | |
878 | if not encrypted_key.startswith(prefix): | |
879 | logger.error('invalid key') | |
880 | return None | |
881 | return _decrypt_windows_dpapi(encrypted_key[len(prefix):], logger) | |
882 | ||
883 | ||
884 | def pbkdf2_sha1(password, salt, iterations, key_length): | |
885 | return pbkdf2_hmac('sha1', password, salt, iterations, key_length) | |
886 | ||
887 | ||
888 | def _decrypt_aes_cbc(ciphertext, key, logger, initialization_vector=b' ' * 16): | |
889 | plaintext = unpad_pkcs7(aes_cbc_decrypt_bytes(ciphertext, key, initialization_vector)) | |
890 | try: | |
891 | return plaintext.decode() | |
892 | except UnicodeDecodeError: | |
893 | logger.warning('failed to decrypt cookie (AES-CBC) because UTF-8 decoding failed. Possibly the key is wrong?', only_once=True) | |
894 | return None | |
895 | ||
896 | ||
897 | def _decrypt_aes_gcm(ciphertext, key, nonce, authentication_tag, logger): | |
898 | try: | |
899 | plaintext = aes_gcm_decrypt_and_verify_bytes(ciphertext, key, authentication_tag, nonce) | |
900 | except ValueError: | |
901 | logger.warning('failed to decrypt cookie (AES-GCM) because the MAC check failed. Possibly the key is wrong?', only_once=True) | |
902 | return None | |
903 | ||
904 | try: | |
905 | return plaintext.decode() | |
906 | except UnicodeDecodeError: | |
907 | logger.warning('failed to decrypt cookie (AES-GCM) because UTF-8 decoding failed. Possibly the key is wrong?', only_once=True) | |
908 | return None | |
909 | ||
910 | ||
911 | def _decrypt_windows_dpapi(ciphertext, logger): | |
912 | """ | |
913 | References: | |
914 | - https://docs.microsoft.com/en-us/windows/win32/api/dpapi/nf-dpapi-cryptunprotectdata | |
915 | """ | |
916 | ||
917 | import ctypes | |
918 | import ctypes.wintypes | |
919 | ||
920 | class DATA_BLOB(ctypes.Structure): | |
921 | _fields_ = [('cbData', ctypes.wintypes.DWORD), | |
922 | ('pbData', ctypes.POINTER(ctypes.c_char))] | |
923 | ||
924 | buffer = ctypes.create_string_buffer(ciphertext) | |
925 | blob_in = DATA_BLOB(ctypes.sizeof(buffer), buffer) | |
926 | blob_out = DATA_BLOB() | |
927 | ret = ctypes.windll.crypt32.CryptUnprotectData( | |
928 | ctypes.byref(blob_in), # pDataIn | |
929 | None, # ppszDataDescr: human readable description of pDataIn | |
930 | None, # pOptionalEntropy: salt? | |
931 | None, # pvReserved: must be NULL | |
932 | None, # pPromptStruct: information about prompts to display | |
933 | 0, # dwFlags | |
934 | ctypes.byref(blob_out) # pDataOut | |
935 | ) | |
936 | if not ret: | |
937 | logger.warning('failed to decrypt with DPAPI', only_once=True) | |
938 | return None | |
939 | ||
940 | result = ctypes.string_at(blob_out.pbData, blob_out.cbData) | |
941 | ctypes.windll.kernel32.LocalFree(blob_out.pbData) | |
942 | return result | |
943 | ||
944 | ||
945 | def _config_home(): | |
946 | return os.environ.get('XDG_CONFIG_HOME', os.path.expanduser('~/.config')) | |
947 | ||
948 | ||
949 | def _open_database_copy(database_path, tmpdir): | |
950 | # cannot open sqlite databases if they are already in use (e.g. by the browser) | |
951 | database_copy_path = os.path.join(tmpdir, 'temporary.sqlite') | |
952 | shutil.copy(database_path, database_copy_path) | |
953 | conn = sqlite3.connect(database_copy_path) | |
954 | return conn.cursor() | |
955 | ||
956 | ||
957 | def _get_column_names(cursor, table_name): | |
958 | table_info = cursor.execute(f'PRAGMA table_info({table_name})').fetchall() | |
959 | return [row[1].decode() for row in table_info] | |
960 | ||
961 | ||
962 | def _find_most_recently_used_file(root, filename, logger): | |
963 | # if there are multiple browser profiles, take the most recently used one | |
964 | i, paths = 0, [] | |
965 | with _create_progress_bar(logger) as progress_bar: | |
966 | for curr_root, dirs, files in os.walk(root): | |
967 | for file in files: | |
968 | i += 1 | |
969 | progress_bar.print(f'Searching for "{filename}": {i: 6d} files searched') | |
970 | if file == filename: | |
971 | paths.append(os.path.join(curr_root, file)) | |
972 | return None if not paths else max(paths, key=lambda path: os.lstat(path).st_mtime) | |
973 | ||
974 | ||
975 | def _merge_cookie_jars(jars): | |
976 | output_jar = YoutubeDLCookieJar() | |
977 | for jar in jars: | |
978 | for cookie in jar: | |
979 | output_jar.set_cookie(cookie) | |
980 | if jar.filename is not None: | |
981 | output_jar.filename = jar.filename | |
982 | return output_jar | |
983 | ||
984 | ||
985 | def _is_path(value): | |
986 | return os.path.sep in value | |
987 | ||
988 | ||
989 | def _parse_browser_specification(browser_name, profile=None, keyring=None, container=None): | |
990 | if browser_name not in SUPPORTED_BROWSERS: | |
991 | raise ValueError(f'unsupported browser: "{browser_name}"') | |
992 | if keyring not in (None, *SUPPORTED_KEYRINGS): | |
993 | raise ValueError(f'unsupported keyring: "{keyring}"') | |
994 | if profile is not None and _is_path(expand_path(profile)): | |
995 | profile = expand_path(profile) | |
996 | return browser_name, profile, keyring, container | |
997 | ||
998 | ||
999 | class LenientSimpleCookie(http.cookies.SimpleCookie): | |
1000 | """More lenient version of http.cookies.SimpleCookie""" | |
1001 | # From https://github.com/python/cpython/blob/v3.10.7/Lib/http/cookies.py | |
1002 | _LEGAL_KEY_CHARS = r"\w\d!#%&'~_`><@,:/\$\*\+\-\.\^\|\)\(\?\}\{\=" | |
1003 | _LEGAL_VALUE_CHARS = _LEGAL_KEY_CHARS + r"\[\]" | |
1004 | ||
1005 | _RESERVED = { | |
1006 | "expires", | |
1007 | "path", | |
1008 | "comment", | |
1009 | "domain", | |
1010 | "max-age", | |
1011 | "secure", | |
1012 | "httponly", | |
1013 | "version", | |
1014 | "samesite", | |
1015 | } | |
1016 | ||
1017 | _FLAGS = {"secure", "httponly"} | |
1018 | ||
1019 | # Added 'bad' group to catch the remaining value | |
1020 | _COOKIE_PATTERN = re.compile(r""" | |
1021 | \s* # Optional whitespace at start of cookie | |
1022 | (?P<key> # Start of group 'key' | |
1023 | [""" + _LEGAL_KEY_CHARS + r"""]+?# Any word of at least one letter | |
1024 | ) # End of group 'key' | |
1025 | ( # Optional group: there may not be a value. | |
1026 | \s*=\s* # Equal Sign | |
1027 | ( # Start of potential value | |
1028 | (?P<val> # Start of group 'val' | |
1029 | "(?:[^\\"]|\\.)*" # Any doublequoted string | |
1030 | | # or | |
1031 | \w{3},\s[\w\d\s-]{9,11}\s[\d:]{8}\sGMT # Special case for "expires" attr | |
1032 | | # or | |
1033 | [""" + _LEGAL_VALUE_CHARS + r"""]* # Any word or empty string | |
1034 | ) # End of group 'val' | |
1035 | | # or | |
1036 | (?P<bad>(?:\\;|[^;])*?) # 'bad' group fallback for invalid values | |
1037 | ) # End of potential value | |
1038 | )? # End of optional value group | |
1039 | \s* # Any number of spaces. | |
1040 | (\s+|;|$) # Ending either at space, semicolon, or EOS. | |
1041 | """, re.ASCII | re.VERBOSE) | |
1042 | ||
1043 | def load(self, data): | |
1044 | # Workaround for https://github.com/yt-dlp/yt-dlp/issues/4776 | |
1045 | if not isinstance(data, str): | |
1046 | return super().load(data) | |
1047 | ||
1048 | morsel = None | |
1049 | index = 0 | |
1050 | length = len(data) | |
1051 | ||
1052 | while 0 <= index < length: | |
1053 | match = self._COOKIE_PATTERN.search(data, index) | |
1054 | if not match: | |
1055 | break | |
1056 | ||
1057 | index = match.end(0) | |
1058 | if match.group("bad"): | |
1059 | morsel = None | |
1060 | continue | |
1061 | ||
1062 | key, value = match.group("key", "val") | |
1063 | ||
1064 | if key[0] == "$": | |
1065 | if morsel is not None: | |
1066 | morsel[key[1:]] = True | |
1067 | continue | |
1068 | ||
1069 | lower_key = key.lower() | |
1070 | if lower_key in self._RESERVED: | |
1071 | if morsel is None: | |
1072 | continue | |
1073 | ||
1074 | if value is None: | |
1075 | if lower_key not in self._FLAGS: | |
1076 | morsel = None | |
1077 | continue | |
1078 | value = True | |
1079 | else: | |
1080 | value, _ = self.value_decode(value) | |
1081 | ||
1082 | morsel[key] = value | |
1083 | ||
1084 | elif value is not None: | |
1085 | morsel = self.get(key, http.cookies.Morsel()) | |
1086 | real_value, coded_value = self.value_decode(value) | |
1087 | morsel.set(key, real_value, coded_value) | |
1088 | self[key] = morsel | |
1089 | ||
1090 | else: | |
1091 | morsel = None |