740 lines
26 KiB
Python
740 lines
26 KiB
Python
from __future__ import annotations
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import asyncio
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import base64
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import json
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from collections.abc import Awaitable, Callable
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from pathlib import Path
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from typing import Any
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import jinja2
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from fastapi import Depends, FastAPI, HTTPException, Request
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from fastapi.responses import HTMLResponse, JSONResponse, RedirectResponse, Response
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from device.manager import DeviceManager
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from host_agent.assignment import AssignmentExecutor
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from host_agent.client import (
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HostAgentClient,
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HostAgentEnrollmentClient,
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HostAgentAPIError,
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HostTaskSubmissionUnknownError,
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)
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from host_agent.config import HostAgentConfig
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from host_agent.devices import register_local_device, unregister_local_device
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from host_agent.history import ConsoleHistoryStore
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from host_agent.identity import HostIdentityStore
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from host_agent.local_account import LocalAccountStore
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from host_agent.status import AgentStatusTracker
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from host_agent.web.auth import (
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SessionManager,
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SessionState,
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attempt_login,
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change_password,
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)
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from storage.device_config import DeviceConfigStore
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from storage.task_metadata import TaskMetadataStore
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from storage.timeline import Timeline
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SESSION_COOKIE_NAME = "host_console_session"
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CSRF_HEADER_NAME = "X-CSRF-Token"
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CSRF_FORM_FIELD = "csrf_token"
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_LOOPBACK_BIND_HOSTS = frozenset({"127.0.0.1", "localhost", "::1"})
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TaskSubmissionCallable = Callable[..., Awaitable[str]]
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AUTOMATIC_DEVICE_VALUE = "__automatic__"
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_ENV = jinja2.Environment(
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loader=jinja2.FileSystemLoader(Path(__file__).parent / "templates"),
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autoescape=jinja2.select_autoescape(["html", "xml"]),
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)
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def _render(
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template_name: str,
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*,
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status_code: int = 200,
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**context: Any,
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) -> HTMLResponse:
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html = _ENV.get_template(template_name).render(**context)
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return HTMLResponse(html, status_code=status_code)
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def _device_display_status(device: Any, *, busy_device_id: str | None) -> str:
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"""Connected-but-idle devices report "busy" at the DeviceManager layer
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(an active Appium/WDA session is required to reuse it), which is not the
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same as a task currently running on that device. Only the device actually
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bound to the current assignment should read as "busy" here.
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"""
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if device.status == "busy" and device.id != busy_device_id:
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return "connected"
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return device.status
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def _screenshot_data_uri(
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record: dict[str, Any],
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*,
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path_key: str = "screenshot_path",
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) -> str | None:
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"""Return a ``data:`` URI for one step screenshot, or ``None``."""
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screenshot_path = record.get(path_key)
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if not screenshot_path:
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return None
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path = Path(str(screenshot_path))
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if not path.exists():
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return None
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encoded = base64.b64encode(path.read_bytes()).decode("ascii")
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return f"data:image/png;base64,{encoded}"
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def _ocr_results(record: dict[str, Any]) -> list[dict[str, Any]]:
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raw_results = record.get("ocr_results")
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if not isinstance(raw_results, list):
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return []
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return [result for result in raw_results if isinstance(result, dict)]
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def _ui_tree_nodes(record: dict[str, Any]) -> list[dict[str, Any]]:
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tool_call = record.get("tool_call")
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if not isinstance(tool_call, dict):
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return []
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if tool_call.get("action") not in {"get_ui_tree", "ui_tree"}:
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return []
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step_result = record.get("result")
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if not isinstance(step_result, dict):
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return []
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raw_nodes = step_result.get("result")
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if not isinstance(raw_nodes, list):
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return []
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return [node for node in raw_nodes if isinstance(node, dict)]
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def _timeline_step_context(record: dict[str, Any]) -> dict[str, Any]:
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tool_call = record.get("tool_call")
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result = record.get("result")
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return {
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"index": record.get("index", ""),
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"timestamp": record.get("timestamp", ""),
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"prompt": record.get("prompt") or "",
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"tool_call": tool_call if isinstance(tool_call, dict) else {},
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"result": result if isinstance(result, dict) else {},
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"before_screenshot_src": _screenshot_data_uri(
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record, path_key="before_screenshot_path"
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),
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"after_screenshot_src": _screenshot_data_uri(
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record, path_key="after_screenshot_path"
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)
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or _screenshot_data_uri(record),
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"ocr_results": _ocr_results(record),
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"ui_tree_nodes": _ui_tree_nodes(record),
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}
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def _safe_submission_error(detail: str) -> str:
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"""Return a safe, single-line error message for the operator.
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The Cloud response ``detail`` is treated as a static control-plane message;
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we strip surrounding whitespace and reject empty results so the operator
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never sees a blank error or, through Jinja autoescape, anything that could
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carry unrendered HTML.
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"""
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cleaned = " ".join(str(detail).split()).strip()
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return cleaned or "Cloud rejected the task submission."
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def _extract_task_id(response: Any) -> str | None:
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"""Normalize the Host self-submission return value to a Cloud task ID.
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Tests and narrow protocol overrides may return a bare string while the
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production client returns a pydantic model. Accept either so the rest of
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the handler can rely on a single string ID.
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"""
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candidate: Any = response
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if hasattr(candidate, "task_id"):
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candidate = getattr(candidate, "task_id")
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if not isinstance(candidate, str):
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return None
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cleaned = candidate.strip()
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return cleaned or None
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def _dashboard_texts(*, snapshot: dict[str, Any]) -> dict[str, str]:
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"""Pre-compute human-readable text strings for the dashboard template."""
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heartbeat = snapshot.get("last_heartbeat")
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assignment = snapshot.get("current_assignment")
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policy = snapshot.get("host_policy")
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progress = snapshot.get("progress")
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return {
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"heartbeat_text": (
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f"{'ok' if heartbeat['ok'] else 'failed'} at {heartbeat['at']} "
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f"({heartbeat['device_count']} devices)"
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if heartbeat
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else "never"
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),
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"assignment_text": (
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f"{assignment['task_id']} on {assignment['device_id']} "
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f"(started {assignment['started_at']})"
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if assignment
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else "none"
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),
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"progress_text": (
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f"step {progress['step_index']} \u2014 {progress['step_status']}: "
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f"{progress['summary']}"
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if progress
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else ""
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),
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"policy_text": (
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f"revision {policy['revision']}; self-submission "
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f"{'enabled' if policy['self_submission_enabled'] else 'disabled'}; "
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f"max active tasks {policy['max_active_tasks'] or 'unlimited'}; "
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f"daily token budget {policy['daily_token_budget'] or 'unmetered'}"
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if policy
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else "no Cloud policy cached"
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),
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}
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def create_console_app(
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*,
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config: HostAgentConfig,
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manager: DeviceManager,
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config_store: DeviceConfigStore,
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local_account_store: LocalAccountStore,
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identity_store: HostIdentityStore,
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history_store: ConsoleHistoryStore,
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status_tracker: AgentStatusTracker,
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session_manager: SessionManager,
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enrollment_client: HostAgentEnrollmentClient | None,
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host_client: HostAgentClient | None = None,
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submit_self_task: TaskSubmissionCallable | None = None,
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metadata_store: TaskMetadataStore | None = None,
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timeline: Timeline | None = None,
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executor: AssignmentExecutor | None = None,
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) -> FastAPI:
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app = FastAPI(title="Host Agent Console")
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cookie_secure = config.console_bind_host not in _LOOPBACK_BIND_HOSTS
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if submit_self_task is None and host_client is not None:
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submit_self_task = host_client.submit_self_task
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submission_available = submit_self_task is not None
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def _running_devices() -> list[dict[str, str]]:
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return [
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{
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"id": device.id,
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"label": device.name or device.id,
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}
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for device in manager.list_devices()
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]
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def _session_token(request: Request) -> str | None:
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return request.cookies.get(SESSION_COOKIE_NAME)
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def require_session(request: Request) -> SessionState:
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token = _session_token(request)
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state = session_manager.validate(token) if token else None
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if state is None:
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raise HTTPException(status_code=303, headers={"Location": "/login"})
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return state
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async def require_csrf(
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request: Request,
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session: SessionState = Depends(require_session),
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) -> SessionState:
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provided = request.headers.get(CSRF_HEADER_NAME)
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if not provided:
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form = await request.form()
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raw = form.get(CSRF_FORM_FIELD)
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provided = str(raw) if raw is not None else None
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token = _session_token(request)
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if (
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not token
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or not provided
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or not session_manager.validate_csrf(token, provided)
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):
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raise HTTPException(status_code=403, detail="invalid CSRF token")
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return session
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@app.get("/login", response_class=HTMLResponse)
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async def login_page() -> HTMLResponse:
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account = await asyncio.to_thread(local_account_store.load)
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return _render("login.html", title="Login", session=None, account=account)
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@app.post("/login")
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async def login_submit(request: Request) -> Response:
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account = await asyncio.to_thread(local_account_store.load)
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if account is None:
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return _render("login.html", title="Login", session=None, account=None)
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form = await request.form()
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username = str(form.get("username", ""))
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password = str(form.get("password", ""))
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ok = await asyncio.to_thread(
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attempt_login, local_account_store, username=username, password=password
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)
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if not ok:
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return _render(
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"login.html",
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title="Login",
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session=None,
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account=account,
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error="Invalid username or password.",
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)
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session_token, _ = session_manager.create_session(username)
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response = RedirectResponse(url="/", status_code=303)
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response.set_cookie(
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key=SESSION_COOKIE_NAME,
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value=session_token,
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httponly=True,
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samesite="strict",
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secure=cookie_secure,
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path="/",
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)
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return response
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@app.post("/logout")
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async def logout(
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request: Request,
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session: SessionState = Depends(require_csrf),
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) -> Response:
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token = _session_token(request)
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if token:
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session_manager.invalidate(token)
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response = RedirectResponse(url="/login", status_code=303)
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response.delete_cookie(key=SESSION_COOKIE_NAME, path="/")
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return response
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@app.get("/", response_class=HTMLResponse)
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async def dashboard(
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session: SessionState = Depends(require_session),
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) -> HTMLResponse:
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identity = await asyncio.to_thread(identity_store.load)
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snapshot = status_tracker.snapshot()
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busy_device_id = (
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snapshot["current_assignment"]["device_id"]
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if snapshot.get("current_assignment")
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else None
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)
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devices = [
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{
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"id": d.id,
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"name": d.name,
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"driver_type": d.driver_type,
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"display_status": _device_display_status(
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d, busy_device_id=busy_device_id
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),
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}
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for d in manager.list_devices()
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]
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texts = _dashboard_texts(snapshot=snapshot)
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return _render(
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"dashboard.html",
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title="Status",
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session=session,
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identity=identity,
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devices=devices,
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config=config,
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**texts,
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)
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@app.get("/api/status")
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async def api_status(
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session: SessionState = Depends(require_session),
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) -> JSONResponse:
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snapshot = status_tracker.snapshot()
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if executor is not None and snapshot.get("progress") is None:
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live = executor.latest_progress()
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if live is not None:
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snapshot["progress"] = {
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"step_index": live.step_index,
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"step_status": live.step_status,
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"summary": live.summary,
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"updated_at": live.updated_at.isoformat(),
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}
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current_assignment = snapshot.get("current_assignment")
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busy_device_id = current_assignment["device_id"] if current_assignment else None
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devices = [
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{
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"id": device.id,
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"name": device.name,
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"driver_type": device.driver_type,
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"status": _device_display_status(device, busy_device_id=busy_device_id),
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}
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for device in manager.list_devices()
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]
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return JSONResponse({"status": snapshot, "devices": devices})
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@app.get("/devices", response_class=HTMLResponse)
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async def devices_page(
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request: Request,
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session: SessionState = Depends(require_session),
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) -> HTMLResponse:
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devices = await asyncio.to_thread(config_store.list)
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edit_id = request.query_params.get("edit")
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edit_record = (
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await asyncio.to_thread(config_store.get, edit_id) if edit_id else None
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)
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connection_info_json = (
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json.dumps(edit_record["connection_info"]) if edit_record else "{}"
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)
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return _render(
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"devices.html",
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title="Devices",
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session=session,
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devices=devices,
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csrf_token=session.csrf_token,
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edit_record=edit_record,
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connection_info_json=connection_info_json,
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error=None,
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)
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@app.post("/devices/save")
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async def devices_save(
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request: Request,
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session: SessionState = Depends(require_csrf),
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) -> Response:
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form = await request.form()
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device_id = str(form.get("device_id", "")).strip()
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driver_type = str(form.get("driver_type", "")).strip()
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name = str(form.get("name", "")).strip() or None
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connection_info_raw = str(form.get("connection_info", "") or "{}")
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error: str | None = None
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connection_info: dict[str, Any] = {}
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if not device_id or not driver_type:
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error = "Device ID and driver type are required."
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else:
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try:
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parsed = json.loads(connection_info_raw)
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except ValueError:
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error = "Connection info must be valid JSON."
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else:
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if not isinstance(parsed, dict):
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error = "Connection info must be a JSON object."
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else:
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connection_info = parsed
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if error is None:
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try:
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await asyncio.to_thread(
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register_local_device,
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config_store,
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manager,
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device_id=device_id,
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driver_type=driver_type,
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connection_info=connection_info,
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name=name,
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config=config,
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enrollment_client=enrollment_client,
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)
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except ValueError as exc:
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error = str(exc)
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if error is not None:
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devices = await asyncio.to_thread(config_store.list)
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return _render(
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"devices.html",
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title="Devices",
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session=session,
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devices=devices,
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csrf_token=session.csrf_token,
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edit_record=None,
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connection_info_json="{}",
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error=error,
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status_code=400,
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)
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return RedirectResponse(url="/devices", status_code=303)
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|
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@app.post("/devices/remove")
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async def devices_remove(
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request: Request,
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session: SessionState = Depends(require_csrf),
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) -> Response:
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form = await request.form()
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device_id = str(form.get("device_id", "")).strip()
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if device_id:
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await asyncio.to_thread(
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unregister_local_device, config_store, manager, device_id=device_id
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)
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return RedirectResponse(url="/devices", status_code=303)
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|
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@app.get("/account", response_class=HTMLResponse)
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async def account_page(
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session: SessionState = Depends(require_session),
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) -> HTMLResponse:
|
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return _render(
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"account.html",
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title="Account",
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session=session,
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csrf_token=session.csrf_token,
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message=None,
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error=None,
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)
|
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|
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@app.post("/account", response_class=HTMLResponse)
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async def account_submit(
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request: Request,
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session: SessionState = Depends(require_csrf),
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) -> HTMLResponse:
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form = await request.form()
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current_password = str(form.get("current_password", ""))
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new_password = str(form.get("new_password", ""))
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confirm_password = str(form.get("confirm_password", ""))
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if not new_password or new_password != confirm_password:
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return _render(
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"account.html",
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title="Account",
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session=session,
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csrf_token=session.csrf_token,
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message=None,
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error="New password and confirmation must match.",
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status_code=400,
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)
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ok = await asyncio.to_thread(
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change_password,
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local_account_store,
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current_password=current_password,
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new_password=new_password,
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)
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if not ok:
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return _render(
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"account.html",
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title="Account",
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session=session,
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csrf_token=session.csrf_token,
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message=None,
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error="Current password is incorrect.",
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status_code=400,
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)
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return _render(
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"account.html",
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title="Account",
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session=session,
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csrf_token=session.csrf_token,
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message="Password updated.",
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error=None,
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)
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|
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@app.get("/history", response_class=HTMLResponse)
|
|
async def history_page(
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session: SessionState = Depends(require_session),
|
|
) -> HTMLResponse:
|
|
entries = await asyncio.to_thread(history_store.list_recent)
|
|
return _render(
|
|
"history.html",
|
|
title="History",
|
|
session=session,
|
|
entries=entries,
|
|
)
|
|
|
|
def _tasks_list_context(
|
|
session: SessionState,
|
|
*,
|
|
goal_value: str = "",
|
|
selected_device: str = AUTOMATIC_DEVICE_VALUE,
|
|
submission_error: str | None = None,
|
|
submission_notice: str | None = None,
|
|
submission_unknown: bool = False,
|
|
status_code: int = 200,
|
|
) -> dict[str, Any]:
|
|
devices = _running_devices()
|
|
return {
|
|
"title": "Tasks",
|
|
"session": session,
|
|
"csrf_token": session.csrf_token,
|
|
"tasks": metadata_store.list_tasks() if metadata_store is not None else [],
|
|
"metadata_store_missing": metadata_store is None,
|
|
"devices": devices,
|
|
"automatic_device_value": AUTOMATIC_DEVICE_VALUE,
|
|
"selected_device": selected_device
|
|
if any(d["id"] == selected_device for d in devices)
|
|
or selected_device == AUTOMATIC_DEVICE_VALUE
|
|
else AUTOMATIC_DEVICE_VALUE,
|
|
"submission_available": submission_available,
|
|
"goal_value": goal_value,
|
|
"submission_error": submission_error,
|
|
"submission_notice": submission_notice,
|
|
"submission_unknown": submission_unknown,
|
|
"status_code": status_code,
|
|
}
|
|
|
|
@app.get("/tasks", response_class=HTMLResponse)
|
|
async def tasks_page(
|
|
request: Request,
|
|
session: SessionState = Depends(require_session),
|
|
) -> HTMLResponse:
|
|
if metadata_store is None:
|
|
raise HTTPException(
|
|
status_code=503, detail="task metadata store not configured"
|
|
)
|
|
notice: str | None = None
|
|
unknown = False
|
|
error: str | None = None
|
|
if request.query_params.get("submitted") == "1":
|
|
task_id = request.query_params.get("task_id", "")
|
|
if task_id:
|
|
notice = (
|
|
f"Task submitted. Cloud task ID: {task_id}. "
|
|
"It will appear below when this Host begins executing it."
|
|
)
|
|
elif request.query_params.get("outcome") == "unknown":
|
|
unknown = True
|
|
context = _tasks_list_context(
|
|
session,
|
|
submission_notice=notice,
|
|
submission_unknown=unknown,
|
|
submission_error=error,
|
|
)
|
|
return _render(
|
|
"tasks_list.html",
|
|
status_code=context["status_code"],
|
|
**{k: v for k, v in context.items() if k != "status_code"},
|
|
)
|
|
|
|
@app.post("/tasks/submit", response_class=HTMLResponse)
|
|
async def tasks_submit(
|
|
request: Request,
|
|
session: SessionState = Depends(require_csrf),
|
|
) -> Response:
|
|
if metadata_store is None:
|
|
raise HTTPException(
|
|
status_code=503, detail="task metadata store not configured"
|
|
)
|
|
if submit_self_task is None:
|
|
context = _tasks_list_context(
|
|
session,
|
|
submission_error=(
|
|
"Host submission client is not available yet. "
|
|
"Wait for Host enrollment to complete, then retry."
|
|
),
|
|
)
|
|
return _render(
|
|
"tasks_list.html",
|
|
status_code=503,
|
|
**{k: v for k, v in context.items() if k != "status_code"},
|
|
)
|
|
form = await request.form()
|
|
raw_goal = str(form.get("goal", ""))
|
|
goal = raw_goal.strip()
|
|
device_selection = str(form.get("device_id", AUTOMATIC_DEVICE_VALUE)).strip()
|
|
explicit_device_id: str | None = None
|
|
if device_selection and device_selection != AUTOMATIC_DEVICE_VALUE:
|
|
snapshot_ids = {device.id for device in manager.list_devices()}
|
|
if device_selection not in snapshot_ids:
|
|
context = _tasks_list_context(
|
|
session,
|
|
goal_value=goal,
|
|
selected_device=device_selection,
|
|
submission_error=(
|
|
"Selected device is no longer registered. "
|
|
"Refresh and try again."
|
|
),
|
|
)
|
|
return _render(
|
|
"tasks_list.html",
|
|
status_code=400,
|
|
**{k: v for k, v in context.items() if k != "status_code"},
|
|
)
|
|
explicit_device_id = device_selection
|
|
|
|
if not goal:
|
|
context = _tasks_list_context(
|
|
session,
|
|
goal_value=goal,
|
|
selected_device=device_selection or AUTOMATIC_DEVICE_VALUE,
|
|
submission_error="Goal cannot be empty.",
|
|
)
|
|
return _render(
|
|
"tasks_list.html",
|
|
status_code=400,
|
|
**{k: v for k, v in context.items() if k != "status_code"},
|
|
)
|
|
|
|
try:
|
|
response = await submit_self_task(goal=goal, device_id=explicit_device_id)
|
|
except HostAgentAPIError as exc:
|
|
context = _tasks_list_context(
|
|
session,
|
|
goal_value=goal,
|
|
selected_device=device_selection,
|
|
submission_error=_safe_submission_error(str(exc.detail)),
|
|
)
|
|
return _render(
|
|
"tasks_list.html",
|
|
status_code=502,
|
|
**{k: v for k, v in context.items() if k != "status_code"},
|
|
)
|
|
except HostTaskSubmissionUnknownError:
|
|
return RedirectResponse(
|
|
url="/tasks?outcome=unknown",
|
|
status_code=303,
|
|
)
|
|
|
|
task_id = _extract_task_id(response)
|
|
if task_id is None:
|
|
context = _tasks_list_context(
|
|
session,
|
|
goal_value=goal,
|
|
selected_device=device_selection,
|
|
submission_error=(
|
|
"Host submission client returned an unexpected response."
|
|
),
|
|
)
|
|
return _render(
|
|
"tasks_list.html",
|
|
status_code=502,
|
|
**{k: v for k, v in context.items() if k != "status_code"},
|
|
)
|
|
|
|
try:
|
|
await asyncio.to_thread(
|
|
history_store.record_task_submission,
|
|
task_id=task_id,
|
|
device_id=explicit_device_id,
|
|
)
|
|
except Exception:
|
|
pass
|
|
|
|
params = f"submitted=1&task_id={task_id}"
|
|
return RedirectResponse(url=f"/tasks?{params}", status_code=303)
|
|
|
|
@app.get("/tasks/{task_id}", response_class=HTMLResponse)
|
|
async def task_detail_page(
|
|
task_id: str,
|
|
session: SessionState = Depends(require_session),
|
|
) -> HTMLResponse:
|
|
if metadata_store is None:
|
|
raise HTTPException(
|
|
status_code=503, detail="task metadata store not configured"
|
|
)
|
|
task = await asyncio.to_thread(metadata_store.get_task, task_id)
|
|
if task is None:
|
|
raise HTTPException(status_code=404, detail="task not found")
|
|
timeline_records: list[dict[str, Any]] = []
|
|
if timeline is not None:
|
|
timeline_records = await asyncio.to_thread(timeline.read, task_id)
|
|
task_rows = [
|
|
(label, task[key])
|
|
for key, label in (
|
|
("source_task_id", "Cloud task ID"),
|
|
("source_attempt", "Cloud attempt"),
|
|
("id", "Execution ID"),
|
|
("goal", "Goal"),
|
|
("device_id", "Device"),
|
|
("status", "Status"),
|
|
("created_at", "Created"),
|
|
("updated_at", "Updated"),
|
|
("completed_at", "Completed"),
|
|
("failure_reason", "Failure reason"),
|
|
)
|
|
if task.get(key) is not None
|
|
]
|
|
timeline_steps = [_timeline_step_context(record) for record in timeline_records]
|
|
return _render(
|
|
"task_detail.html",
|
|
title=f"Task {task_id}",
|
|
session=session,
|
|
task=task,
|
|
task_rows=task_rows,
|
|
timeline_steps=timeline_steps,
|
|
)
|
|
|
|
return app
|