curo1305
ff33439f0a
- GoogleDriveBackend: list_folder with full pagination, native doc size=None, get_capabilities - OneDriveBackend: list_folder with @odata.nextLink pagination, get_capabilities - WebDAVBackend: list_folder via PROPFIND with SSRF re-validation, get_capabilities - NextcloudBackend: inherits CloudResourceAdapter from WebDAVBackend - build_cloud_resource_adapter() added to factory - 22 new contract/behavior/pagination/no-byte-download tests (51 total pass)
56 lines
1.9 KiB
Python
56 lines
1.9 KiB
Python
"""Factory for user-scoped cloud storage backends."""
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from __future__ import annotations
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from storage.cloud_base import CloudResourceAdapter
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def build_cloud_backend(provider: str, credentials: dict):
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if provider == "google_drive":
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from storage.google_drive_backend import GoogleDriveBackend # lazy import
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return GoogleDriveBackend(credentials)
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if provider == "onedrive":
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from storage.onedrive_backend import OneDriveBackend # lazy import
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return OneDriveBackend(credentials)
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if provider == "nextcloud":
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from storage.nextcloud_backend import NextcloudBackend # lazy import
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return NextcloudBackend(
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credentials["server_url"],
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credentials["username"],
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credentials["password"],
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)
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if provider == "webdav":
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from storage.webdav_backend import WebDAVBackend # lazy import
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return WebDAVBackend(
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credentials["server_url"],
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credentials["username"],
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credentials["password"],
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)
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raise ValueError(f"Unknown provider: {provider}")
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def build_cloud_resource_adapter(provider: str, credentials: dict) -> CloudResourceAdapter:
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"""Build a CloudResourceAdapter for the given provider and credentials.
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Returns a provider instance that implements the CloudResourceAdapter read-only
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interface (list_folder, get_capabilities, merge_item_capabilities). All four
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supported providers implement CloudResourceAdapter as a mixin alongside
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their StorageBackend interface.
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Raises:
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ValueError: If provider is not one of the four supported cloud providers.
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"""
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backend = build_cloud_backend(provider, credentials)
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if not isinstance(backend, CloudResourceAdapter):
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raise ValueError(
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f"Provider {provider!r} backend does not implement CloudResourceAdapter"
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)
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return backend
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