fix(python): mirror Factory Droid 0.175 hooks
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ZacharyZhang-NY committed
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@@ -1,126 +1,324 @@
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"""Factory Droid source discovery and runtime inspection."""
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"""Factory Droid source discovery and managed runtime validation."""
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from __future__ import annotations
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import json
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import base64
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from dataclasses import dataclass
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import os
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from typing import Optional
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from typing import Any, Optional
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import urllib.parse
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from ._transaction import (
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FileChange,
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read_optional,
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regular_file_exists,
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source_change,
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from ._managed_files import (
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MAX_CONFIG_BYTES,
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MAX_SECRET_BYTES,
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MAX_SOURCE_BYTES,
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physical_directory_exists,
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physical_file_exists,
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read_physical_file,
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)
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from ._strict_json import JsonObject, parse_json_object
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from .droid_config import (
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DroidDocument,
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DroidSources,
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RenderedDocument,
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active_document,
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create_legacy_hook_document,
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create_owned_hook_document,
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create_settings_document,
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hook_block,
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parse_document,
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)
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from .droid_contract import AGENT_KEY, JsonObject, RuntimeContract, same_agent_id
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from .droid_contract import (
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AGENT_KEY,
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AUDIT_SCRIPT,
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GUARD_SCRIPT,
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RuntimeContract,
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elydora_dir,
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same_agent_id,
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same_path,
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)
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from .droid_policy import read_droid_policy
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from .guard_template import generate_guard_script
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from .hook_template import generate_hook_script
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def _factory_paths() -> tuple[str, str, str]:
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@dataclass(frozen=True)
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class FactoryPaths:
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directory: str
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root: str
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legacy_directory: str
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legacy: str
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settings: str
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local_settings: str
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def _factory_paths() -> FactoryPaths:
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directory = os.path.join(os.path.expanduser("~"), ".factory")
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return (
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legacy_directory = os.path.join(directory, "hooks")
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return FactoryPaths(
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directory,
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os.path.join(directory, "hooks.json"),
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os.path.join(directory, "hooks", "hooks.json"),
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legacy_directory,
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os.path.join(legacy_directory, "hooks.json"),
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os.path.join(directory, "settings.json"),
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os.path.join(directory, "settings.local.json"),
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)
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def _read_document(
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file_path: str,
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kind: str,
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label: str,
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) -> Optional[DroidDocument]:
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snapshot = read_physical_file(file_path, label, MAX_SOURCE_BYTES)
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if snapshot is None:
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return None
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return parse_document(
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exists=True,
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file_path=file_path,
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kind=kind,
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raw=snapshot.contents,
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snapshot=snapshot,
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)
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def read_sources() -> DroidSources:
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root_path, legacy_path, settings_path = _factory_paths()
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root_raw = read_optional(root_path, "Factory Droid hooks")
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settings_raw = read_optional(settings_path, "Factory Droid settings")
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primary = None
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if root_raw is not None:
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primary = parse_document(
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exists=True,
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file_path=root_path,
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kind="hooks",
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raw=root_raw,
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)
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else:
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legacy_raw = read_optional(legacy_path, "Factory Droid legacy hooks")
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if legacy_raw is not None:
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primary = parse_document(
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exists=True,
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file_path=legacy_path,
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kind="legacy",
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raw=legacy_raw,
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)
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settings = (
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create_settings_document(settings_path)
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if settings_raw is None
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else parse_document(
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exists=True,
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file_path=settings_path,
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kind="settings",
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raw=settings_raw,
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)
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paths = _factory_paths()
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physical_directory_exists(
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paths.directory,
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"Factory Droid user configuration directory",
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)
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return DroidSources(root_path, primary, settings)
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def rendered_change(rendered: RenderedDocument) -> Optional[FileChange]:
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if not rendered.changed:
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return None
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if rendered.document.kind == "settings":
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label = "Factory Droid settings"
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elif rendered.document.kind == "legacy":
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label = "Factory Droid legacy hooks"
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else:
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label = "Factory Droid hooks"
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return source_change(
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rendered.document.file_path,
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label,
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rendered.document.raw if rendered.document.exists else None,
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rendered.next_source,
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0o600,
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physical_directory_exists(
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paths.legacy_directory,
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"Factory Droid legacy hooks directory",
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)
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root = _read_document(paths.root, "hooks", "Factory Droid user hooks")
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legacy = _read_document(
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paths.legacy,
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"legacy",
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"Factory Droid legacy hooks",
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)
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settings = _read_document(
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paths.settings,
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"settings",
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"Factory Droid user settings",
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)
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local_settings = _read_document(
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paths.local_settings,
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"local-settings",
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"Factory Droid local settings",
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)
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return DroidSources(
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root or create_owned_hook_document(paths.root),
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legacy or create_legacy_hook_document(paths.legacy),
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settings or create_settings_document(paths.settings),
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local_settings or create_settings_document(
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paths.local_settings,
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"local-settings",
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),
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read_droid_policy(),
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)
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def _read_runtime_config(file_path: str) -> Optional[JsonObject]:
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raw = read_optional(file_path, "Elydora runtime config")
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if raw is None:
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return None
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def require_hooks_enabled(sources: DroidSources) -> None:
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blocked = hook_block(sources)
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if blocked is not None:
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raise ValueError(
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"Factory Droid user hooks are disabled by "
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f"{blocked.field} in {blocked.label} at {blocked.file_path}"
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)
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def validate_api_origin(value: str, label: str = "base_url") -> None:
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try:
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value = json.loads(raw)
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except json.JSONDecodeError as error:
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parsed = urllib.parse.urlsplit(value)
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hostname = parsed.hostname
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parsed.port
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except ValueError as error:
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raise ValueError(
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f"Failed to parse Elydora runtime config at {file_path}: {error}"
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f"{label} must be an absolute HTTP or HTTPS URL"
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) from error
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if not isinstance(value, dict):
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invalid_character = "\\" in value or any(
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character.isspace() or ord(character) < 32 for character in value
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)
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if (
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parsed.scheme not in ("http", "https")
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or not parsed.netloc
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or hostname is None
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or invalid_character
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):
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raise ValueError(f"{label} must be an absolute HTTP or HTTPS URL")
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if (
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parsed.username is not None
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or parsed.password is not None
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or parsed.query
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or parsed.fragment
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):
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raise ValueError(
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f"Elydora runtime config at {file_path} must contain a JSON object"
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f"{label} must exclude credentials, query parameters, and fragments"
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)
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def validate_private_key(value: str, label: str = "private_key") -> None:
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try:
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padded = value + "=" * ((4 - len(value) % 4) % 4)
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seed = base64.b64decode(
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padded.replace("-", "+").replace("_", "/"),
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validate=True,
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)
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canonical = base64.urlsafe_b64encode(seed).rstrip(b"=").decode("ascii")
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except (ValueError, UnicodeEncodeError) as error:
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raise ValueError(
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f"{label} must be a canonical 32-byte base64url value"
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) from error
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if len(seed) != 32 or canonical != value:
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raise ValueError(f"{label} must be a canonical 32-byte base64url value")
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def _require_string(value: Any, field: str, config_path: str) -> str:
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if not isinstance(value, str) or not value.strip():
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raise ValueError(
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f"Elydora runtime config {field} is invalid: {config_path}"
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)
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return value
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def _validate_runtime_config(
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config: JsonObject,
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contract: RuntimeContract,
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config_path: str,
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) -> None:
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supported = {"org_id", "agent_id", "kid", "base_url", "token", "agent_name"}
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extra = next((key for key in config if key not in supported), None)
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if extra is not None:
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raise ValueError(
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f'Elydora runtime config has unsupported field "{extra}": '
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f"{config_path}"
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)
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_require_string(config.get("org_id"), "org_id", config_path)
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_require_string(config.get("kid"), "kid", config_path)
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agent_id = _require_string(config.get("agent_id"), "agent_id", config_path)
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if (
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not same_agent_id(agent_id, contract.agent_id)
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or config.get("agent_name") != AGENT_KEY
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):
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raise ValueError(
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"Elydora runtime identity does not match Factory Droid hooks: "
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f"{config_path}"
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)
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if "token" in config:
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_require_string(config.get("token"), "token", config_path)
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base_url = _require_string(config.get("base_url"), "base_url", config_path)
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validate_api_origin(base_url, "Elydora runtime config base_url")
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def _read_runtime_config(file_path: str) -> Optional[JsonObject]:
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snapshot = read_physical_file(
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file_path,
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"Elydora runtime config",
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MAX_CONFIG_BYTES,
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)
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if snapshot is None:
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return None
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return parse_json_object(
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snapshot.contents,
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f"Elydora runtime config at {file_path}",
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)
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def validate_runtime_tree(agent_directory: str, agent_id: str) -> None:
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root = elydora_dir()
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if not physical_directory_exists(root, "Elydora runtime directory"):
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return
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if not physical_directory_exists(
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agent_directory,
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"Elydora agent runtime directory",
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):
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return
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config_path = os.path.join(agent_directory, "config.json")
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config = _read_runtime_config(config_path)
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artifacts = (
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("private.key", "Elydora private key"),
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(GUARD_SCRIPT, "Elydora guard runtime"),
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(AUDIT_SCRIPT, "Elydora audit runtime"),
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("chain-state.json", "Elydora chain state"),
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("status-cache.json", "Elydora status cache"),
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("error.log", "Elydora error log"),
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)
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artifact_exists = any(
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physical_file_exists(os.path.join(agent_directory, name), label)
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for name, label in artifacts
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)
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if config is None:
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if artifact_exists:
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raise ValueError(
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"Elydora runtime identity cannot be verified without config.json: "
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f"{agent_directory}"
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)
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return
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configured_id = config.get("agent_id")
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if (
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not isinstance(configured_id, str)
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or not same_agent_id(configured_id, agent_id)
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or config.get("agent_name") != AGENT_KEY
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):
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raise ValueError(
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"Elydora runtime config identity does not match Factory Droid agent "
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f"{agent_id}: {config_path}"
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)
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def _valid_contract_paths(contract: RuntimeContract) -> bool:
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agent_directory = os.path.dirname(contract.guard_path)
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return (
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same_path(os.path.dirname(agent_directory), elydora_dir())
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and same_path(
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contract.guard_path,
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os.path.join(agent_directory, GUARD_SCRIPT),
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)
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and same_path(
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contract.audit_path,
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os.path.join(agent_directory, AUDIT_SCRIPT),
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)
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)
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def _runtime_contract_exists(contract: RuntimeContract) -> bool:
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if not _valid_contract_paths(contract):
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return False
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root = elydora_dir()
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agent_directory = os.path.dirname(contract.guard_path)
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if not physical_directory_exists(root, "Elydora runtime directory"):
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return False
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if not physical_directory_exists(
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agent_directory,
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"Elydora agent runtime directory",
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):
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return False
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config_path = os.path.join(agent_directory, "config.json")
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key_path = os.path.join(agent_directory, "private.key")
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config = _read_runtime_config(config_path)
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key = read_physical_file(key_path, "Elydora private key", MAX_SECRET_BYTES)
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guard = read_physical_file(contract.guard_path, "Elydora guard runtime")
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audit = read_physical_file(contract.audit_path, "Elydora audit runtime")
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if config is None or key is None or guard is None or audit is None:
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return False
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_validate_runtime_config(config, contract, config_path)
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validate_private_key(key.contents, "Elydora private key")
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expected_guard = generate_guard_script(AGENT_KEY, contract.agent_id)
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expected_audit = generate_hook_script(
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org_id="",
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agent_id=contract.agent_id,
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kid="",
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base_url="",
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native_payload=True,
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agent_name=AGENT_KEY,
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)
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return guard.contents == expected_guard and audit.contents == expected_audit
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def runtime_files_exist(contracts: list[RuntimeContract]) -> bool:
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for contract in contracts:
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agent_directory = os.path.dirname(contract.guard_path)
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config = _read_runtime_config(os.path.join(agent_directory, "config.json"))
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config_agent_id = config.get("agent_id") if config else None
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if (
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config is None
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or config.get("agent_name") != AGENT_KEY
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or not isinstance(config_agent_id, str)
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or not same_agent_id(config_agent_id, contract.agent_id)
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):
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continue
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if regular_file_exists(
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contract.guard_path, "Elydora guard runtime"
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) and regular_file_exists(contract.audit_path, "Elydora audit runtime"):
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return True
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return False
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return any(_runtime_contract_exists(contract) for contract in contracts)
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def display_config_path(sources: DroidSources) -> str:
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if sources.primary is not None:
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return sources.primary.file_path
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if sources.settings.exists and sources.settings.has_hooks_container:
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return sources.settings.file_path
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return sources.root_path
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return active_document(sources).file_path
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