feat: add Http Request Node to skip ssl verify function #15177 (#15664)

api/.env.example

 HTTP_REQUEST_MAX_WRITE_TIMEOUT=600
 HTTP_REQUEST_NODE_MAX_BINARY_SIZE=10485760
 HTTP_REQUEST_NODE_MAX_TEXT_SIZE=1048576
+HTTP_REQUEST_NODE_SSL_VERIFY=True
 
 # Respect X-* headers to redirect clients
 RESPECT_XFORWARD_HEADERS_ENABLED=false

api/configs/feature/__init__.py

         default=1 * 1024 * 1024,
     )
 
+    HTTP_REQUEST_NODE_SSL_VERIFY: bool = Field(
+        description="Enable or disable SSL verification for HTTP requests",
+        default=True,
+    )
+
     SSRF_DEFAULT_MAX_RETRIES: PositiveInt = Field(
         description="Maximum number of retries for network requests (SSRF)",
         default=3,

api/core/helper/ssrf_proxy.py

 
 SSRF_DEFAULT_MAX_RETRIES = dify_config.SSRF_DEFAULT_MAX_RETRIES
 
+HTTP_REQUEST_NODE_SSL_VERIFY = True  # Default value for HTTP_REQUEST_NODE_SSL_VERIFY is True
+try:
+    HTTP_REQUEST_NODE_SSL_VERIFY = dify_config.HTTP_REQUEST_NODE_SSL_VERIFY
+    http_request_node_ssl_verify_lower = str(HTTP_REQUEST_NODE_SSL_VERIFY).lower()
+    if http_request_node_ssl_verify_lower == "true":
+        HTTP_REQUEST_NODE_SSL_VERIFY = True
+    elif http_request_node_ssl_verify_lower == "false":
+        HTTP_REQUEST_NODE_SSL_VERIFY = False
+    else:
+        raise ValueError("Invalid value. HTTP_REQUEST_NODE_SSL_VERIFY should be 'True' or 'False'")
+except NameError:
+    HTTP_REQUEST_NODE_SSL_VERIFY = True
+
 BACKOFF_FACTOR = 0.5
 STATUS_FORCELIST = [429, 500, 502, 503, 504]
 
     while retries <= max_retries:
         try:
             if dify_config.SSRF_PROXY_ALL_URL:
-                with httpx.Client(proxy=dify_config.SSRF_PROXY_ALL_URL) as client:
+                with httpx.Client(proxy=dify_config.SSRF_PROXY_ALL_URL, verify=HTTP_REQUEST_NODE_SSL_VERIFY) as client:
                     response = client.request(method=method, url=url, **kwargs)
             elif dify_config.SSRF_PROXY_HTTP_URL and dify_config.SSRF_PROXY_HTTPS_URL:
                 proxy_mounts = {
                     "http://": httpx.HTTPTransport(proxy=dify_config.SSRF_PROXY_HTTP_URL),
                     "https://": httpx.HTTPTransport(proxy=dify_config.SSRF_PROXY_HTTPS_URL),
                 }
-                with httpx.Client(mounts=proxy_mounts) as client:
+                with httpx.Client(mounts=proxy_mounts, verify=HTTP_REQUEST_NODE_SSL_VERIFY) as client:
                     response = client.request(method=method, url=url, **kwargs)
             else:
-                with httpx.Client() as client:
+                with httpx.Client(verify=HTTP_REQUEST_NODE_SSL_VERIFY) as client:
                     response = client.request(method=method, url=url, **kwargs)
 
             if response.status_code not in STATUS_FORCELIST:

docker/.env.example

 # HTTP request node in workflow configuration
 HTTP_REQUEST_NODE_MAX_BINARY_SIZE=10485760
 HTTP_REQUEST_NODE_MAX_TEXT_SIZE=1048576
+HTTP_REQUEST_NODE_SSL_VERIFY=True
 
 # SSRF Proxy server HTTP URL
 SSRF_PROXY_HTTP_URL=http://ssrf_proxy:3128

docker/docker-compose.yaml

   WORKFLOW_FILE_UPLOAD_LIMIT: ${WORKFLOW_FILE_UPLOAD_LIMIT:-10}
   HTTP_REQUEST_NODE_MAX_BINARY_SIZE: ${HTTP_REQUEST_NODE_MAX_BINARY_SIZE:-10485760}
   HTTP_REQUEST_NODE_MAX_TEXT_SIZE: ${HTTP_REQUEST_NODE_MAX_TEXT_SIZE:-1048576}
+  HTTP_REQUEST_NODE_SSL_VERIFY: ${HTTP_REQUEST_NODE_SSL_VERIFY:-True}
   SSRF_PROXY_HTTP_URL: ${SSRF_PROXY_HTTP_URL:-http://ssrf_proxy:3128}
   SSRF_PROXY_HTTPS_URL: ${SSRF_PROXY_HTTPS_URL:-http://ssrf_proxy:3128}
   LOOP_NODE_MAX_COUNT: ${LOOP_NODE_MAX_COUNT:-100}