| 1 | """Browser cookie extraction for last30days. |
| 2 | |
| 3 | Extracts cookies from local browser databases (Firefox, Chrome, Brave, Safari) |
| 4 | to enable zero-config authentication for services like X/Twitter. |
| 5 | Note: Chrome/Brave extraction is macOS-only; Windows Chrome/Edge use |
| 6 | DPAPI-encrypted stores that are not yet supported. |
| 7 | |
| 8 | Only uses Python stdlib — no external dependencies. |
| 9 | """ |
| 10 | |
| 11 | import configparser |
| 12 | import functools |
| 13 | import logging |
| 14 | import os |
| 15 | import platform |
| 16 | import shutil |
| 17 | import sqlite3 |
| 18 | import tempfile |
| 19 | from pathlib import Path |
| 20 | from typing import Dict, List, Optional |
| 21 | |
| 22 | logger = logging.getLogger(__name__) |
| 23 | |
| 24 | |
| 25 | def _lock_temp_cookie_copy(path: str) -> None: |
| 26 | """Restrict copied cookie DB temp files to the current user on POSIX.""" |
| 27 | if os.name == "nt": |
| 28 | return |
| 29 | Path(path).chmod(0o600) |
| 30 | |
| 31 | |
| 32 | @functools.lru_cache(maxsize=1) |
| 33 | def _is_wsl() -> bool: |
| 34 | """Detect if running under Windows Subsystem for Linux. |
| 35 | |
| 36 | Cached after the first call since /proc/version doesn't change at runtime. |
| 37 | """ |
| 38 | try: |
| 39 | return "microsoft" in Path("/proc/version").read_text().lower() |
| 40 | except OSError: |
| 41 | return False |
| 42 | |
| 43 | |
| 44 | def _get_wsl_firefox_profiles_dir() -> Optional[Path]: |
| 45 | """Find Firefox profiles directory on the Windows host from WSL. |
| 46 | |
| 47 | Scans /mnt/c/Users/*/AppData/Roaming/Mozilla/Firefox for real user |
| 48 | directories (skips Public, Default, etc.). |
| 49 | """ |
| 50 | mnt_users = Path("/mnt/c/Users") |
| 51 | if not mnt_users.is_dir(): |
| 52 | return None |
| 53 | skip = {"Public", "Default", "Default User", "All Users"} |
| 54 | try: |
| 55 | for user_dir in sorted(mnt_users.iterdir()): |
| 56 | if user_dir.name in skip or not user_dir.is_dir(): |
| 57 | continue |
| 58 | ff_dir = user_dir / "AppData" / "Roaming" / "Mozilla" / "Firefox" |
| 59 | if ff_dir.is_dir(): |
| 60 | return ff_dir |
| 61 | except OSError: |
| 62 | pass |
| 63 | return None |
| 64 | |
| 65 | |
| 66 | def _get_firefox_profiles_dir() -> Optional[Path]: |
| 67 | """Return the Firefox profiles directory for the current platform, or None.""" |
| 68 | system = platform.system() |
| 69 | if system == "Darwin": |
| 70 | path = Path.home() / "Library" / "Application Support" / "Firefox" |
| 71 | elif system == "Linux": |
| 72 | # Default location for most distros |
| 73 | path = Path.home() / ".mozilla" / "firefox" |
| 74 | if path.is_dir(): |
| 75 | return path |
| 76 | # Some distros (e.g. Fedora) honour $XDG_CONFIG_HOME |
| 77 | xdg_config = os.environ.get("XDG_CONFIG_HOME") |
| 78 | if xdg_config and os.path.isabs(xdg_config): |
| 79 | path = Path(xdg_config) / "mozilla" / "firefox" |
| 80 | else: |
| 81 | path = Path.home() / ".config" / "mozilla" / "firefox" |
| 82 | else: |
| 83 | # Windows: %APPDATA%\Mozilla\Firefox — best-effort |
| 84 | appdata = Path.home() / "AppData" / "Roaming" / "Mozilla" / "Firefox" |
| 85 | path = appdata |
| 86 | return path if path.is_dir() else None |
| 87 | |
| 88 | |
| 89 | def _find_default_profile(profiles_dir: Path) -> Optional[Path]: |
| 90 | """Parse profiles.ini to find the default profile directory. |
| 91 | |
| 92 | Looks for a section with Default=1. Falls back to the first profile |
| 93 | directory found on disk if profiles.ini is missing or malformed. |
| 94 | """ |
| 95 | ini_path = profiles_dir / "profiles.ini" |
| 96 | |
| 97 | if ini_path.is_file(): |
| 98 | try: |
| 99 | config = configparser.ConfigParser() |
| 100 | config.read(str(ini_path), encoding="utf-8") |
| 101 | |
| 102 | # First pass: Install* section (Firefox >= 67 format, takes priority) |
| 103 | for section in config.sections(): |
| 104 | if section.startswith("Install") and config.has_option(section, "Default"): |
| 105 | raw = config.get(section, "Default") |
| 106 | candidate = profiles_dir / raw |
| 107 | if candidate.is_dir(): |
| 108 | return candidate |
| 109 | |
| 110 | # Second pass: Profile section with Default=1 |
| 111 | for section in config.sections(): |
| 112 | if section.startswith("Profile") and config.has_option(section, "Default") and config.get(section, "Default") == "1": |
| 113 | return _resolve_profile_path(profiles_dir, config, section) |
| 114 | |
| 115 | # Third pass: first Profile section that exists on disk |
| 116 | for section in config.sections(): |
| 117 | if section.startswith("Profile"): |
| 118 | resolved = _resolve_profile_path(profiles_dir, config, section) |
| 119 | if resolved and resolved.is_dir(): |
| 120 | return resolved |
| 121 | except (configparser.Error, OSError) as exc: |
| 122 | logger.debug("Failed to parse profiles.ini: %s", exc) |
| 123 | |
| 124 | # Fallback: scan directory for anything that looks like a profile |
| 125 | return _fallback_find_profile(profiles_dir) |
| 126 | |
| 127 | |
| 128 | def _resolve_profile_path( |
| 129 | profiles_dir: Path, config: configparser.ConfigParser, section: str |
| 130 | ) -> Optional[Path]: |
| 131 | """Resolve a profile path from a ConfigParser section.""" |
| 132 | if not config.has_option(section, "Path"): |
| 133 | return None |
| 134 | raw_path = config.get(section, "Path") |
| 135 | is_relative = config.has_option(section, "IsRelative") and config.get(section, "IsRelative") == "1" |
| 136 | if is_relative: |
| 137 | candidate = profiles_dir / raw_path |
| 138 | else: |
| 139 | candidate = Path(raw_path) |
| 140 | return candidate if candidate.is_dir() else None |
| 141 | |
| 142 | |
| 143 | def _fallback_find_profile(profiles_dir: Path) -> Optional[Path]: |
| 144 | """Find the first directory that contains cookies.sqlite.""" |
| 145 | try: |
| 146 | for child in sorted(profiles_dir.iterdir()): |
| 147 | if child.is_dir() and (child / "cookies.sqlite").is_file(): |
| 148 | return child |
| 149 | except OSError: |
| 150 | pass |
| 151 | return None |
| 152 | |
| 153 | |
| 154 | def _query_cookies_db( |
| 155 | db_path: Path, domain: str, cookie_names: List[str] |
| 156 | ) -> Optional[Dict[str, str]]: |
| 157 | """Copy the cookies database to a temp file and query it. |
| 158 | |
| 159 | Firefox locks cookies.sqlite while running, so we copy first. |
| 160 | Returns {name: value} dict or None if no matching cookies found. |
| 161 | """ |
| 162 | if not db_path.is_file(): |
| 163 | return None |
| 164 | |
| 165 | tmp_fd = None |
| 166 | tmp_path = None |
| 167 | try: |
| 168 | tmp_fd, tmp_path = tempfile.mkstemp(suffix=".sqlite") |
| 169 | # mkstemp creates the file 0600. copy2 would copy the source's mode |
| 170 | # (Firefox cookies.sqlite is commonly 0644, looser on WSL /mnt/c) onto |
| 171 | # the temp file, leaving live session secrets world-readable in shared |
| 172 | # /tmp until the chmod below runs. copyfile writes content only and |
| 173 | # leaves the 0600 perms intact, closing that window. |
| 174 | shutil.copyfile(str(db_path), tmp_path) |
| 175 | _lock_temp_cookie_copy(tmp_path) |
| 176 | |
| 177 | conn = sqlite3.connect(tmp_path) |
| 178 | try: |
| 179 | # Build parameterized query — SQLite doesn't support array params, |
| 180 | # so we build the IN clause with individual placeholders. |
| 181 | placeholders = ",".join("?" for _ in cookie_names) |
| 182 | query = ( |
| 183 | f"SELECT name, value FROM moz_cookies " |
| 184 | f"WHERE host LIKE ? AND name IN ({placeholders})" |
| 185 | ) |
| 186 | # domain pattern: match .x.com, x.com, etc. |
| 187 | domain_pattern = f"%{domain}" |
| 188 | params = [domain_pattern] + list(cookie_names) |
| 189 | |
| 190 | cursor = conn.execute(query, params) |
| 191 | rows = cursor.fetchall() |
| 192 | finally: |
| 193 | conn.close() |
| 194 | |
| 195 | if not rows: |
| 196 | return None |
| 197 | return {name: value for name, value in rows} |
| 198 | |
| 199 | except (sqlite3.Error, OSError) as exc: |
| 200 | logger.debug("Failed to query cookies database %s: %s", db_path, exc) |
| 201 | return None |
| 202 | finally: |
| 203 | if tmp_path: |
| 204 | try: |
| 205 | Path(tmp_path).unlink(missing_ok=True) |
| 206 | except OSError: |
| 207 | pass |
| 208 | if tmp_fd is not None: |
| 209 | try: |
| 210 | import os |
| 211 | os.close(tmp_fd) |
| 212 | except OSError: |
| 213 | pass |
| 214 | |
| 215 | |
| 216 | def _try_firefox_dir(profiles_dir: Path, domain: str, cookie_names: List[str]) -> Optional[Dict[str, str]]: |
| 217 | """Try to extract cookies from a Firefox profiles directory. |
| 218 | |
| 219 | Tries the default profile first, then falls back to scanning all |
| 220 | profiles for matching cookies. This handles multi-profile setups |
| 221 | where the user is logged into x.com on a non-default profile. |
| 222 | """ |
| 223 | default_profile = _find_default_profile(profiles_dir) |
| 224 | profiles_tried = 0 |
| 225 | if default_profile is not None: |
| 226 | result = _query_cookies_db(default_profile / "cookies.sqlite", domain, cookie_names) |
| 227 | if result is not None: |
| 228 | return result |
| 229 | profiles_tried = 1 |
| 230 | # Fallback: scan every profile directory for matching cookies |
| 231 | try: |
| 232 | for child in sorted(profiles_dir.iterdir()): |
| 233 | if not child.is_dir(): |
| 234 | continue |
| 235 | if default_profile is not None and child == default_profile: |
| 236 | continue |
| 237 | db = child / "cookies.sqlite" |
| 238 | if db.is_file(): |
| 239 | result = _query_cookies_db(db, domain, cookie_names) |
| 240 | if result is not None: |
| 241 | return result |
| 242 | profiles_tried += 1 |
| 243 | except OSError: |
| 244 | pass |
| 245 | logger.debug("No matching cookies found in %d Firefox profile(s)", profiles_tried) |
| 246 | return None |
| 247 | |
| 248 | |
| 249 | def extract_firefox_cookies( |
| 250 | domain: str, cookie_names: List[str] |
| 251 | ) -> Optional[Dict[str, str]]: |
| 252 | """Extract cookies from Firefox for the given domain and cookie names. |
| 253 | |
| 254 | Finds the default Firefox profile, copies cookies.sqlite to a temp file |
| 255 | (to avoid lock conflicts), and queries for the requested cookies. |
| 256 | |
| 257 | On WSL2, falls back to Windows Firefox if native Linux Firefox has no |
| 258 | matching cookies. Windows Firefox cookies are unencrypted, so this works |
| 259 | without DPAPI or any Windows-side helpers. |
| 260 | |
| 261 | Args: |
| 262 | domain: The cookie domain to match (e.g. ".x.com"). Matched with LIKE %domain. |
| 263 | cookie_names: List of cookie names to extract (e.g. ["auth_token", "ct0"]). |
| 264 | |
| 265 | Returns: |
| 266 | Dict of {cookie_name: cookie_value} or None if extraction fails. |
| 267 | """ |
| 268 | profiles_dir = _get_firefox_profiles_dir() |
| 269 | if profiles_dir is not None: |
| 270 | result = _try_firefox_dir(profiles_dir, domain, cookie_names) |
| 271 | if result is not None: |
| 272 | return result |
| 273 | |
| 274 | if platform.system() == "Linux" and _is_wsl(): |
| 275 | wsl_dir = _get_wsl_firefox_profiles_dir() |
| 276 | if wsl_dir is not None: |
| 277 | logger.debug("Trying Windows Firefox via WSL: %s", wsl_dir) |
| 278 | return _try_firefox_dir(wsl_dir, domain, cookie_names) |
| 279 | |
| 280 | if profiles_dir is None: |
| 281 | logger.debug("Firefox profiles directory not found") |
| 282 | return None |
| 283 | |
| 284 | |
| 285 | def extract_chrome_cookies( |
| 286 | domain: str, cookie_names: List[str] |
| 287 | ) -> Optional[Dict[str, str]]: |
| 288 | """Extract cookies from Chrome for the given domain and cookie names. |
| 289 | |
| 290 | macOS only — uses Keychain + system openssl for AES-128-CBC decryption. |
| 291 | Linux/Windows not supported (Chrome uses platform-specific encryption). |
| 292 | |
| 293 | Returns: |
| 294 | Dict of {cookie_name: cookie_value} or None if extraction fails. |
| 295 | """ |
| 296 | if platform.system() != "Darwin": |
| 297 | logger.debug("Chrome cookie extraction only supported on macOS") |
| 298 | return None |
| 299 | try: |
| 300 | from .chrome_cookies import extract_chrome_cookies_macos |
| 301 | return extract_chrome_cookies_macos(domain, cookie_names) |
| 302 | except Exception as exc: |
| 303 | logger.debug("Chrome cookie extraction failed: %s", exc) |
| 304 | return None |
| 305 | |
| 306 | |
| 307 | def extract_brave_cookies( |
| 308 | domain: str, cookie_names: List[str] |
| 309 | ) -> Optional[Dict[str, str]]: |
| 310 | """Extract cookies from Brave for the given domain and cookie names. |
| 311 | |
| 312 | macOS only — Brave uses the same v10 AES-128-CBC encryption as Chrome, |
| 313 | with a different DB path and Keychain service name ("Brave Safe Storage"). |
| 314 | Tries the Default profile first, then scans numbered Profile directories. |
| 315 | |
| 316 | Returns: |
| 317 | Dict of {cookie_name: cookie_value} or None if extraction fails. |
| 318 | """ |
| 319 | if platform.system() != "Darwin": |
| 320 | logger.debug("Brave cookie extraction only supported on macOS") |
| 321 | return None |
| 322 | try: |
| 323 | from .chrome_cookies import extract_brave_cookies_macos |
| 324 | return extract_brave_cookies_macos(domain, cookie_names) |
| 325 | except Exception as exc: |
| 326 | logger.debug("Brave cookie extraction failed: %s", exc) |
| 327 | return None |
| 328 | |
| 329 | |
| 330 | def _extract_chromium_family_cookies( |
| 331 | browser: str, domain: str, cookie_names: List[str] |
| 332 | ) -> Optional[Dict[str, str]]: |
| 333 | """Extract cookies from a non-Chrome/Brave Chromium browser on macOS. |
| 334 | |
| 335 | macOS only — Edge, Vivaldi, Opera, Arc, and Chromium all reuse Chrome's |
| 336 | v10 AES-128-CBC encryption, with their own profile path and Keychain |
| 337 | service name (see chrome_cookies.CHROMIUM_BROWSER_PROFILES). |
| 338 | """ |
| 339 | if platform.system() != "Darwin": |
| 340 | logger.debug("%s cookie extraction only supported on macOS", browser) |
| 341 | return None |
| 342 | try: |
| 343 | from .chrome_cookies import extract_chromium_browser_cookies_macos |
| 344 | return extract_chromium_browser_cookies_macos(browser, domain, cookie_names) |
| 345 | except Exception as exc: |
| 346 | logger.debug("%s cookie extraction failed: %s", browser, exc) |
| 347 | return None |
| 348 | |
| 349 | |
| 350 | def extract_edge_cookies(domain: str, cookie_names: List[str]) -> Optional[Dict[str, str]]: |
| 351 | """Extract cookies from Microsoft Edge for the given domain (macOS only).""" |
| 352 | return _extract_chromium_family_cookies("edge", domain, cookie_names) |
| 353 | |
| 354 | |
| 355 | def extract_vivaldi_cookies(domain: str, cookie_names: List[str]) -> Optional[Dict[str, str]]: |
| 356 | """Extract cookies from Vivaldi for the given domain (macOS only).""" |
| 357 | return _extract_chromium_family_cookies("vivaldi", domain, cookie_names) |
| 358 | |
| 359 | |
| 360 | def extract_opera_cookies(domain: str, cookie_names: List[str]) -> Optional[Dict[str, str]]: |
| 361 | """Extract cookies from Opera for the given domain (macOS only).""" |
| 362 | return _extract_chromium_family_cookies("opera", domain, cookie_names) |
| 363 | |
| 364 | |
| 365 | def extract_arc_cookies(domain: str, cookie_names: List[str]) -> Optional[Dict[str, str]]: |
| 366 | """Extract cookies from Arc for the given domain (macOS only).""" |
| 367 | return _extract_chromium_family_cookies("arc", domain, cookie_names) |
| 368 | |
| 369 | |
| 370 | def extract_chromium_cookies(domain: str, cookie_names: List[str]) -> Optional[Dict[str, str]]: |
| 371 | """Extract cookies from open-source Chromium for the given domain (macOS only).""" |
| 372 | return _extract_chromium_family_cookies("chromium", domain, cookie_names) |
| 373 | |
| 374 | |
| 375 | def extract_safari_cookies( |
| 376 | domain: str, cookie_names: List[str] |
| 377 | ) -> Optional[Dict[str, str]]: |
| 378 | """Extract cookies from Safari for the given domain and cookie names. |
| 379 | |
| 380 | macOS only — parses the unencrypted binary cookie file. |
| 381 | |
| 382 | Returns: |
| 383 | Dict of {cookie_name: cookie_value} or None if extraction fails. |
| 384 | """ |
| 385 | if platform.system() != "Darwin": |
| 386 | logger.debug("Safari cookie extraction only supported on macOS") |
| 387 | return None |
| 388 | try: |
| 389 | from .safari_cookies import extract_safari_cookies_macos |
| 390 | return extract_safari_cookies_macos(domain, cookie_names) |
| 391 | except Exception as exc: |
| 392 | logger.debug("Safari cookie extraction failed: %s", exc) |
| 393 | return None |
| 394 | |
| 395 | |
| 396 | def extract_cookies( |
| 397 | browser: str, domain: str, cookie_names: list[str] |
| 398 | ) -> Optional[dict[str, str]]: |
| 399 | """Extract cookies from the specified browser. |
| 400 | |
| 401 | Args: |
| 402 | browser: One of 'firefox', 'chrome', 'brave', 'edge', 'vivaldi', |
| 403 | 'opera', 'arc', 'chromium', 'safari', or 'auto'. |
| 404 | 'auto' tries browsers in platform-appropriate order: |
| 405 | - macOS: Chrome -> Brave -> Edge -> Vivaldi -> Opera -> Arc -> Chromium -> Firefox -> Safari |
| 406 | - Linux: Firefox only |
| 407 | domain: The cookie domain to match (e.g. ".x.com"). |
| 408 | cookie_names: List of cookie names to extract. |
| 409 | |
| 410 | Returns: |
| 411 | Dict of {cookie_name: cookie_value} or None if extraction fails. |
| 412 | """ |
| 413 | result = extract_cookies_with_source(browser, domain, cookie_names) |
| 414 | if result is None: |
| 415 | return None |
| 416 | cookies, _browser_name = result |
| 417 | return cookies |
| 418 | |
| 419 | |
| 420 | def _extract_firefox_with_source( |
| 421 | domain: str, cookie_names: List[str] |
| 422 | ) -> Optional[tuple[Dict[str, str], str]]: |
| 423 | """Extract Firefox cookies and report whether they came from native or WSL. |
| 424 | |
| 425 | Returns (cookies, "firefox") for native Linux/macOS Firefox, or |
| 426 | (cookies, "firefox-wsl") for Windows Firefox accessed via WSL2. |
| 427 | """ |
| 428 | profiles_dir = _get_firefox_profiles_dir() |
| 429 | if profiles_dir is not None: |
| 430 | result = _try_firefox_dir(profiles_dir, domain, cookie_names) |
| 431 | if result is not None: |
| 432 | return (result, "firefox") |
| 433 | |
| 434 | if platform.system() == "Linux" and _is_wsl(): |
| 435 | wsl_dir = _get_wsl_firefox_profiles_dir() |
| 436 | if wsl_dir is not None: |
| 437 | logger.debug("Trying Windows Firefox via WSL: %s", wsl_dir) |
| 438 | result = _try_firefox_dir(wsl_dir, domain, cookie_names) |
| 439 | if result is not None: |
| 440 | return (result, "firefox-wsl") |
| 441 | |
| 442 | return None |
| 443 | |
| 444 | |
| 445 | def extract_cookies_with_source( |
| 446 | browser: str, domain: str, cookie_names: list[str] |
| 447 | ) -> Optional[tuple[dict[str, str], str]]: |
| 448 | """Extract cookies and report which browser they came from. |
| 449 | |
| 450 | Same as extract_cookies() but returns a (cookies, browser_name) tuple |
| 451 | so callers can track the source. |
| 452 | |
| 453 | Args: |
| 454 | browser: One of 'firefox', 'chrome', 'brave', 'edge', 'vivaldi', |
| 455 | 'opera', 'arc', 'chromium', 'safari', or 'auto'. |
| 456 | domain: The cookie domain to match (e.g. ".x.com"). |
| 457 | cookie_names: List of cookie names to extract. |
| 458 | |
| 459 | Returns: |
| 460 | Tuple of ({cookie_name: cookie_value}, browser_name) or None. |
| 461 | browser_name is "firefox-wsl" when cookies came from Windows Firefox via WSL2. |
| 462 | """ |
| 463 | extractors = { |
| 464 | "firefox": extract_firefox_cookies, |
| 465 | "chrome": extract_chrome_cookies, |
| 466 | "brave": extract_brave_cookies, |
| 467 | "edge": extract_edge_cookies, |
| 468 | "vivaldi": extract_vivaldi_cookies, |
| 469 | "opera": extract_opera_cookies, |
| 470 | "arc": extract_arc_cookies, |
| 471 | "chromium": extract_chromium_cookies, |
| 472 | "safari": extract_safari_cookies, |
| 473 | } |
| 474 | |
| 475 | if browser != "auto": |
| 476 | if browser == "firefox": |
| 477 | return _extract_firefox_with_source(domain, cookie_names) |
| 478 | extractor = extractors.get(browser) |
| 479 | if extractor is None: |
| 480 | logger.warning("Unknown browser: %s", browser) |
| 481 | return None |
| 482 | result = extractor(domain, cookie_names) |
| 483 | return (result, browser) if result is not None else None |
| 484 | |
| 485 | # Auto mode: try browsers in platform-appropriate order. |
| 486 | # Note: the skill's own entry point (env.extract_browser_credentials) builds |
| 487 | # its own list that tries the SILENT browsers (Firefox, Safari) first to |
| 488 | # avoid macOS Keychain prompts. This standalone "auto" is Chromium-first; the |
| 489 | # two orderings are intentional for their respective callers. |
| 490 | system = platform.system() |
| 491 | if system == "Darwin": |
| 492 | order = ["chrome", "brave", "edge", "vivaldi", "opera", "arc", "chromium", "firefox", "safari"] |
| 493 | elif system == "Linux": |
| 494 | order = ["firefox"] |
| 495 | else: |
| 496 | order = ["firefox"] |
| 497 | |
| 498 | for name in order: |
| 499 | if name == "firefox": |
| 500 | result = _extract_firefox_with_source(domain, cookie_names) |
| 501 | if result is not None: |
| 502 | return result |
| 503 | else: |
| 504 | result = extractors[name](domain, cookie_names) |
| 505 | if result is not None: |
| 506 | return (result, name) |
| 507 | |
| 508 | return None |
| 509 |