88 lines
3.6 KiB
Python
88 lines
3.6 KiB
Python
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"""Authenticated, secret-free service compatibility diagnostics."""
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from __future__ import annotations
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from typing import Literal, cast
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from gewu.application.identity import Principal
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from gewu.application.uploads import ALLOWED_MEDIA_TYPES, CHUNK_BYTES, MAX_ARTIFACT_BYTES
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from gewu.domain.contracts import Scope, ServiceDiagnostics
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from gewu.domain.operations import Transport, catalog_digest, operations_for
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from gewu.version import SERVICE_VERSION
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def build_service_diagnostics(
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*,
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principal: Principal,
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transport: Literal["http", "mcp"],
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authorized_projects: tuple[str, ...],
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available_operations: frozenset[str],
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index_status: tuple[str, str | None, str, int | None],
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projects: tuple[str, ...] | None = None,
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include_shared: bool = False,
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) -> ServiceDiagnostics:
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"""Build caller-specific diagnostics without exposing credential identifiers."""
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visible_projects = tuple(sorted(set(authorized_projects)))
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if projects is None:
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if include_shared:
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raise ValueError("Select at least one project before including shared knowledge")
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selected_scope = None
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else:
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if not projects or len(set(projects)) != len(projects):
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raise ValueError("Selected projects must be non-empty and unique")
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if any(project not in visible_projects for project in projects):
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raise PermissionError("Selected scope includes an unreadable project")
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if include_shared and not principal.can_read_project("shared"):
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raise PermissionError("Credential cannot read shared knowledge")
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selected_scope = Scope(projects=projects, include_shared=include_shared)
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capabilities: set[str] = {"service:diagnostics"}
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if "admin" in principal.roles and "agent" not in principal.roles:
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capabilities.update({"project:admin", "credential:admin"})
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if principal.roles.intersection({"admin", "editor", "viewer", "agent"}):
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capabilities.add("knowledge:read")
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if principal.auth_method == "bearer" and "agent" in principal.roles:
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capabilities.update(
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{
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"proposal:submit",
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"proposal:evaluate",
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"proposal:read",
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"proposal:withdraw",
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"run:read",
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"run:write",
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}
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)
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if principal.roles.intersection({"admin", "editor", "viewer"}):
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capabilities.add("identity:session")
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catalog_transport = Transport(transport)
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authorized_operations = tuple(
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sorted(
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operation.name
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for operation in operations_for(catalog_transport)
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if operation.name in available_operations and operation.capability in capabilities
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)
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)
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canonical, index_revision, index_state, index_schema_version = index_status
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return ServiceDiagnostics(
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service_version=SERVICE_VERSION,
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catalog_sha256=catalog_digest(),
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transport=transport,
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authentication=cast(Literal["bearer", "browser_session"], principal.auth_method),
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roles=tuple(sorted(principal.roles)),
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authorized_projects=visible_projects,
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selected_scope=selected_scope,
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capabilities=tuple(sorted(capabilities)),
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authorized_operations=authorized_operations,
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max_upload_bytes=MAX_ARTIFACT_BYTES,
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upload_chunk_bytes=CHUNK_BYTES,
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supported_media_types=tuple(sorted(ALLOWED_MEDIA_TYPES)),
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canonical_revision=canonical,
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index_state=cast(
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Literal["current", "lagging", "not_built", "not_configured", "unavailable"],
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index_state,
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),
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index_revision=index_revision,
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index_schema_version=index_schema_version,
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)
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