ai-agent-book 精选快照（<2MB 代码与文档，来自 github.com/bojieli/ai-agent-book）

chapter9/browser-use-rpa/browser-use/browser_use/browser/watchdogs/permissions_watchdog.py

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+"""Permissions watchdog for granting browser permissions on connection."""
+
+from typing import TYPE_CHECKING, ClassVar
+
+from bubus import BaseEvent
+
+from browser_use.browser.events import BrowserConnectedEvent
+from browser_use.browser.watchdog_base import BaseWatchdog
+
+if TYPE_CHECKING:
+	pass
+
+
+class PermissionsWatchdog(BaseWatchdog):
+	"""Grants browser permissions when browser connects."""
+
+	# Event contracts
+	LISTENS_TO: ClassVar[list[type[BaseEvent]]] = [
+		BrowserConnectedEvent,
+	]
+	EMITS: ClassVar[list[type[BaseEvent]]] = []
+
+	async def on_BrowserConnectedEvent(self, event: BrowserConnectedEvent) -> None:
+		"""Grant permissions when browser connects."""
+		permissions = self.browser_session.browser_profile.permissions
+
+		if not permissions:
+			self.logger.debug('No permissions to grant')
+			return
+
+		self.logger.debug(f'🔓 Granting browser permissions: {permissions}')
+
+		try:
+			# Grant permissions using CDP Browser.grantPermissions
+			# origin=None means grant to all origins
+			# Browser domain commands don't use session_id
+			await self.browser_session.cdp_client.send.Browser.grantPermissions(
+				params={'permissions': permissions}  # type: ignore
+			)
+			self.logger.debug(f'✅ Successfully granted permissions: {permissions}')
+		except Exception as e:
+			self.logger.error(f'❌ Failed to grant permissions: {str(e)}')
+			# Don't raise - permissions are not critical to browser operation