Feat:update webhook component (#11739)

### What problem does this PR solve?
issue:
https://github.com/infiniflow/ragflow/issues/10427

https://github.com/infiniflow/ragflow/issues/8115

change:

- Support for Multiple HTTP Methods (POST / GET / PUT / PATCH / DELETE /
HEAD)
- Security Validation
  1. max_body_size
  2. IP whitelist
  3. rate limit
  4. token / basic / jwt authentication
- File Upload Support
- Unified Content-Type Handling
- Full Schema-Based Extraction & Type Validation
- Two Execution Modes: Immediately / Streaming


### Type of change

- [x] New Feature (non-breaking change which adds functionality)

rag/utils/redis_conn.py

@@ -59,6 +59,7 @@ class RedisMsg:
 @singleton
 class RedisDB:
     lua_delete_if_equal = None
+    lua_token_bucket = None
     LUA_DELETE_IF_EQUAL_SCRIPT = """
         local current_value = redis.call('get', KEYS[1])
         if current_value and current_value == ARGV[1] then
@@ -68,6 +69,47 @@ class RedisDB:
         return 0
     """
 
+    LUA_TOKEN_BUCKET_SCRIPT = """
+        -- KEYS[1] = rate limit key
+        -- ARGV[1] = capacity
+        -- ARGV[2] = rate
+        -- ARGV[3] = now
+        -- ARGV[4] = cost
+
+        local key       = KEYS[1]
+        local capacity  = tonumber(ARGV[1])
+        local rate      = tonumber(ARGV[2])
+        local now       = tonumber(ARGV[3])
+        local cost      = tonumber(ARGV[4])
+
+        local data = redis.call("HMGET", key, "tokens", "timestamp")
+        local tokens = tonumber(data[1])
+        local last_ts = tonumber(data[2])
+
+        if tokens == nil then
+            tokens = capacity
+            last_ts = now
+        end
+
+        local delta = math.max(0, now - last_ts)
+        tokens = math.min(capacity, tokens + delta * rate)
+
+        if tokens < cost then
+            return {0, tokens}
+        end
+
+        tokens = tokens - cost
+
+        redis.call("HMSET", key,
+            "tokens", tokens,
+            "timestamp", now
+        )
+
+        redis.call("EXPIRE", key, math.ceil(capacity / rate * 2))
+
+        return {1, tokens}
+    """
+
     def __init__(self):
         self.REDIS = None
         self.config = REDIS
@@ -77,6 +119,7 @@ class RedisDB:
         cls = self.__class__
         client = self.REDIS
         cls.lua_delete_if_equal = client.register_script(cls.LUA_DELETE_IF_EQUAL_SCRIPT)
+        cls.lua_token_bucket = client.register_script(cls.LUA_TOKEN_BUCKET_SCRIPT)
 
     def __open__(self):
         try: