feat: http reqeust

api/core/helper/ssrf_proxy.py

@@ -38,6 +38,10 @@ def patch(url, *args, **kwargs):
     return _patch(url=url, *args, proxies=httpx_proxies, **kwargs)
 
 def delete(url, *args, **kwargs):
+    if 'follow_redirects' in kwargs:
+        if kwargs['follow_redirects']:
+            kwargs['allow_redirects'] = kwargs['follow_redirects']
+        kwargs.pop('follow_redirects')
     return _delete(url=url, *args, proxies=requests_proxies, **kwargs)
 
 def head(url, *args, **kwargs):

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

@@ -17,9 +17,10 @@ class HttpRequestNodeData(BaseNodeData):
             header: Union[None, str]
 
         type: Literal['no-auth', 'api-key']
+        config: Config
 
     class Body(BaseModel):
-        type: Literal[None, 'form-data', 'x-www-form-urlencoded', 'raw']
+        type: Literal[None, 'form-data', 'x-www-form-urlencoded', 'raw', 'json']
         data: Union[None, str]
 
     variables: list[VariableSelector]
@@ -28,4 +29,4 @@ class HttpRequestNodeData(BaseNodeData):
     authorization: Authorization
     headers: str
     params: str
-    
+    body: Body
\ No newline at end of file

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

+from copy import deepcopy
+from typing import Any, Union
+from urllib.parse import urlencode
+
+import httpx
+import re
+import requests
+import core.helper.ssrf_proxy as ssrf_proxy
+from core.workflow.nodes.http_request.entities import HttpRequestNodeData
+
+HTTP_REQUEST_DEFAULT_TIMEOUT = (10, 60)
+
+class HttpExecutorResponse:
+    status_code: int
+    headers: dict[str, str]
+    body: str
+
+    def __init__(self, status_code: int, headers: dict[str, str], body: str):
+        """
+        init
+        """
+        self.status_code = status_code
+        self.headers = headers
+        self.body = body
+
+class HttpExecutor:
+    server_url: str
+    method: str
+    authorization: HttpRequestNodeData.Authorization
+    params: dict[str, Any]
+    headers: dict[str, Any]
+    body: Union[None, str]
+    files: Union[None, dict[str, Any]]
+
+    def __init__(self, node_data: HttpRequestNodeData, variables: dict[str, Any]):
+        """
+        init
+        """
+        self.server_url = node_data.url
+        self.method = node_data.method
+        self.authorization = node_data.authorization
+        self.params = {}
+        self.headers = {}
+        self.body = None
+
+        # init template
+        self._init_template(node_data, variables)
+
+    def _init_template(self, node_data: HttpRequestNodeData, variables: dict[str, Any]):
+        """
+        init template
+        """
+        # extract all template in url
+        url_template = re.findall(r'{{(.*?)}}', node_data.url) or []
+        url_template = list(set(url_template))
+        original_url = node_data.url
+        for url in url_template:
+            if not url:
+                continue
+
+            original_url = original_url.replace(f'{{{{{url}}}}}', str(variables.get(url, '')))
+        
+        self.server_url = original_url
+
+        # extract all template in params
+        param_template = re.findall(r'{{(.*?)}}', node_data.params) or []
+        param_template = list(set(param_template))
+        original_params = node_data.params
+        for param in param_template:
+            if not param:
+                continue
+
+            original_params = original_params.replace(f'{{{{{param}}}}}', str(variables.get(param, '')))
+
+        # fill in params
+        kv_paris = original_params.split('\n')
+        for kv in kv_paris:
+            kv = kv.split(':')
+            if len(kv) != 2:
+                raise ValueError(f'Invalid params {kv}')
+            
+            k, v = kv
+            self.params[k] = v
+
+        # extract all template in headers
+        header_template = re.findall(r'{{(.*?)}}', node_data.headers) or []
+        header_template = list(set(header_template))
+        original_headers = node_data.headers
+        for header in header_template:
+            if not header:
+                continue
+
+            original_headers = original_headers.replace(f'{{{{{header}}}}}', str(variables.get(header, '')))
+
+        # fill in headers
+        kv_paris = original_headers.split('\n')
+        for kv in kv_paris:
+            kv = kv.split(':')
+            if len(kv) != 2:
+                raise ValueError(f'Invalid headers {kv}')
+            
+            k, v = kv
+            self.headers[k] = v
+
+        # extract all template in body
+        body_template = re.findall(r'{{(.*?)}}', node_data.body.data or '') or []
+        body_template = list(set(body_template))
+        original_body = node_data.body.data or ''
+        for body in body_template:
+            if not body:
+                continue
+
+            original_body = original_body.replace(f'{{{{{body}}}}}', str(variables.get(body, '')))
+
+        if node_data.body.type == 'json':
+            self.headers['Content-Type'] = 'application/json'
+        elif node_data.body.type == 'x-www-form-urlencoded':
+            self.headers['Content-Type'] = 'application/x-www-form-urlencoded'
+        # elif node_data.body.type == 'form-data':
+        #    self.headers['Content-Type'] = 'multipart/form-data'
+
+        if node_data.body.type in ['form-data', 'x-www-form-urlencoded']:
+            body = {}
+            kv_paris = original_body.split('\n')
+            for kv in kv_paris:
+                kv = kv.split(':')
+                if len(kv) != 2:
+                    raise ValueError(f'Invalid body {kv}')
+                body[kv[0]] = kv[1]
+
+            if node_data.body.type == 'form-data':
+                self.files = {
+                    k: ('', v) for k, v in body.items()
+                }
+            else:
+                self.body = urlencode(body)
+        else:
+            self.body = original_body
+                
+    def _assembling_headers(self) -> dict[str, Any]:
+        authorization = deepcopy(self.authorization)
+        headers = deepcopy(self.headers) or []
+        if self.authorization.type == 'api-key':
+            if self.authorization.config.api_key is None:
+                raise ValueError('api_key is required')
+            
+            if not self.authorization.config.header:
+                authorization.config.header = 'Authorization'
+
+            if self.authorization.config.type == 'bearer':
+                headers[authorization.config.header] = f'Bearer {authorization.config.api_key}'
+            elif self.authorization.config.type == 'basic':
+                headers[authorization.config.header] = f'Basic {authorization.config.api_key}'
+            elif self.authorization.config.type == 'custom':
+                headers[authorization.config.header] = authorization.config.api_key
+        
+        return headers
+    
+    def _validate_and_parse_response(self, response: Union[httpx.Response, requests.Response]) -> HttpExecutorResponse:
+        """
+            validate the response
+        """
+        if isinstance(response, httpx.Response):
+            # get key-value pairs headers
+            headers = {}
+            for k, v in response.headers.items():
+                headers[k] = v
+
+            return HttpExecutorResponse(response.status_code, headers, response.text)
+        elif isinstance(response, requests.Response):
+            # get key-value pairs headers
+            headers = {}
+            for k, v in response.headers.items():
+                headers[k] = v
+
+            return HttpExecutorResponse(response.status_code, headers, response.text)
+        else:
+            raise ValueError(f'Invalid response type {type(response)}')
+        
+    def _do_http_request(self, headers: dict[str, Any]) -> httpx.Response:
+        """
+            do http request depending on api bundle
+        """
+        # do http request
+        kwargs = {
+            'url': self.server_url,
+            'headers': headers,
+            'params': self.params,
+            'timeout': HTTP_REQUEST_DEFAULT_TIMEOUT,
+            'follow_redirects': True
+        }
+
+        if self.method == 'get':
+            response = ssrf_proxy.get(**kwargs)
+        elif self.method == 'post':
+            response = ssrf_proxy.post(data=self.body, files=self.files, **kwargs)
+        elif self.method == 'put':
+            response = ssrf_proxy.put(data=self.body, files=self.files, **kwargs)
+        elif self.method == 'delete':
+            response = ssrf_proxy.delete(data=self.body, files=self.files, **kwargs)
+        elif self.method == 'patch':
+            response = ssrf_proxy.patch(data=self.body, files=self.files, **kwargs)
+        elif self.method == 'head':
+            response = ssrf_proxy.head(**kwargs)
+        elif self.method == 'options':
+            response = ssrf_proxy.options(**kwargs)
+        else:
+            raise ValueError(f'Invalid http method {self.method}')
+        
+        return response
+    
+    def invoke(self) -> HttpExecutorResponse:
+        """
+        invoke http request
+        """
+        # assemble headers
+        headers = self._assembling_headers()
+
+        # do http request
+        response = self._do_http_request(headers)
+
+        # validate response
+        return self._validate_and_parse_response(response)
+    
+    def to_raw_request(self) -> str:
+        """
+        convert to raw request
+        """
+        server_url = self.server_url
+        if self.params:
+            server_url += f'?{urlencode(self.params)}'
+
+        raw_request = f'{self.method.upper()} {server_url} HTTP/1.1\n'
+        for k, v in self.headers.items():
+            raw_request += f'{k}: {v}\n'
+
+        raw_request += '\n'
+        raw_request += self.body or ''
+
+        return raw_request
\ No newline at end of file

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

+from os import error
+from typing import 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
 from core.workflow.nodes.http_request.entities import HttpRequestNodeData
+from core.workflow.nodes.http_request.http_executor import HttpExecutor
+from models.workflow import WorkflowNodeExecutionStatus
+
 
 class HttpRequestNode(BaseNode):
     _node_data_cls = HttpRequestNodeData
     node_type = NodeType.HTTP_REQUEST
 
     def _run(self, variable_pool: VariablePool) -> NodeRunResult:
-        pass
+        node_data: HttpRequestNodeData = cast(self._node_data_cls, self.node_data)
+
+        # extract variables
+        variables = {
+            variable_selector.variable: variable_pool.get_variable_value(variable_selector=variable_selector.value_selector)
+            for variable_selector in node_data.variables
+        }
+
+        # init http executor
+        try:
+            http_executor = HttpExecutor(node_data=node_data, variables=variables)
+            # invoke http executor
+
+            response = http_executor.invoke()
+        except Exception as e:
+            return NodeRunResult(
+                status=WorkflowNodeExecutionStatus.FAILED,
+                inputs=variables,
+                error=str(e),
+                process_data=http_executor.to_raw_request()
+            )
+
+        return NodeRunResult(
+            status=WorkflowNodeExecutionStatus.SUCCEEDED,
+            inputs=variables,
+            outputs={
+                'status_code': response.status_code,
+                'body': response,
+                'headers': response.headers
+            },
+            process_data=http_executor.to_raw_request()
+        )
+
 
     @classmethod
     def _extract_variable_selector_to_variable_mapping(cls, node_data: BaseNodeData) -> dict[list[str], str]: