refactor(workflow-file): move core.file to core.workflow.file (#32252)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/core/app/workflow/file_runtime.py

@@ -0,0 +1,47 @@
+from __future__ import annotations
+
+from collections.abc import Generator
+
+from configs import dify_config
+from core.helper.ssrf_proxy import ssrf_proxy
+from core.tools.signature import sign_tool_file
+from core.workflow.file.protocols import HttpResponseProtocol, WorkflowFileRuntimeProtocol
+from core.workflow.file.runtime import set_workflow_file_runtime
+from extensions.ext_storage import storage
+
+
+class DifyWorkflowFileRuntime(WorkflowFileRuntimeProtocol):
+    """Production runtime wiring for ``core.workflow.file``."""
+
+    @property
+    def files_url(self) -> str:
+        return dify_config.FILES_URL
+
+    @property
+    def internal_files_url(self) -> str | None:
+        return dify_config.INTERNAL_FILES_URL
+
+    @property
+    def secret_key(self) -> str:
+        return dify_config.SECRET_KEY
+
+    @property
+    def files_access_timeout(self) -> int:
+        return dify_config.FILES_ACCESS_TIMEOUT
+
+    @property
+    def multimodal_send_format(self) -> str:
+        return dify_config.MULTIMODAL_SEND_FORMAT
+
+    def http_get(self, url: str, *, follow_redirects: bool = True) -> HttpResponseProtocol:
+        return ssrf_proxy.get(url, follow_redirects=follow_redirects)
+
+    def storage_load(self, path: str, *, stream: bool = False) -> bytes | Generator:
+        return storage.load(path, stream=stream)
+
+    def sign_tool_file(self, *, tool_file_id: str, extension: str, for_external: bool = True) -> str:
+        return sign_tool_file(tool_file_id=tool_file_id, extension=extension, for_external=for_external)
+
+
+def bind_dify_workflow_file_runtime() -> None:
+    set_workflow_file_runtime(DifyWorkflowFileRuntime())

api/core/app/workflow/node_factory.py

@@ -4,7 +4,6 @@ from typing import TYPE_CHECKING, final
 from typing_extensions import override
 
 from configs import dify_config
-from core.file.file_manager import file_manager
 from core.helper.code_executor.code_executor import CodeExecutor
 from core.helper.code_executor.code_node_provider import CodeNodeProvider
 from core.helper.ssrf_proxy import ssrf_proxy
@@ -12,6 +11,7 @@ from core.rag.retrieval.dataset_retrieval import DatasetRetrieval
 from core.tools.tool_file_manager import ToolFileManager
 from core.workflow.entities.graph_config import NodeConfigDict
 from core.workflow.enums import NodeType
+from core.workflow.file.file_manager import file_manager
 from core.workflow.graph.graph import NodeFactory
 from core.workflow.nodes.base.node import Node
 from core.workflow.nodes.code.code_node import CodeNode