feat: http request

api/core/workflow/nodes/code/code_node.py

 from typing import Optional, Union, cast
 
-from core.workflow.entities.base_node_data_entities import BaseNodeData
 from core.workflow.entities.node_entities import NodeRunResult, NodeType
 from core.workflow.entities.variable_pool import VariablePool
 from core.workflow.nodes.base_node import BaseNode

api/core/workflow/nodes/http_request/entities.py

+from typing import Literal, Union
+
+from pydantic import BaseModel
+
+from core.workflow.entities.base_node_data_entities import BaseNodeData
+from core.workflow.entities.variable_entities import VariableSelector
+
+
+class HttpRequestNodeData(BaseNodeData):
+    """
+    Code Node Data.
+    """
+    class Authorization(BaseModel):
+        class Config(BaseModel):
+            type: Literal[None, 'basic', 'bearer', 'custom']
+            api_key: Union[None, str]
+            header: Union[None, str]
+
+        type: Literal['no-auth', 'api-key']
+
+    class Body(BaseModel):
+        type: Literal[None, 'form-data', 'x-www-form-urlencoded', 'raw']
+        data: Union[None, str]
+
+    variables: list[VariableSelector]
+    method: Literal['get', 'post', 'put', 'patch', 'delete']
+    url: str
+    authorization: Authorization
+    headers: str
+    params: str
+    
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api/core/workflow/nodes/http_request/http_request_node.py

+from core.workflow.entities.base_node_data_entities import BaseNodeData
+from core.workflow.entities.node_entities import NodeRunResult, NodeType
+from core.workflow.entities.variable_pool import VariablePool
 from core.workflow.nodes.base_node import BaseNode
-
+from core.workflow.nodes.http_request.entities import HttpRequestNodeData
 
 class HttpRequestNode(BaseNode):
-    pass
+    _node_data_cls = HttpRequestNodeData
+    node_type = NodeType.HTTP_REQUEST
+
+    def _run(self, variable_pool: VariablePool) -> NodeRunResult:
+        pass
+
+    @classmethod
+    def _extract_variable_selector_to_variable_mapping(cls, node_data: BaseNodeData) -> dict[list[str], str]:
+        """
+        Extract variable selector to variable mapping
+        :param node_data: node data
+        :return:
+        """
+        pass
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