🐛 fix(ui): 截断UI调试HTML日志中的长base64图片数据

zhenxun/services/renderer/service.py

@@ -22,6 +22,7 @@ from zhenxun.configs.config import Config
 from zhenxun.configs.path_config import THEMES_PATH, UI_CACHE_PATH
 from zhenxun.services.log import logger
 from zhenxun.utils.exception import RenderingError
+from zhenxun.utils.log_sanitizer import sanitize_for_logging
 from zhenxun.utils.pydantic_compat import _dump_pydantic_obj
 
 from .config import RESERVED_TEMPLATE_KEYS
@@ -470,10 +471,7 @@ class RendererService:
             ) from e
 
     async def render(
-        self,
-        component: Renderable,
-        use_cache: bool = False,
-        **render_options,
+        self, component: Renderable, use_cache: bool = False, **render_options
     ) -> bytes:
         """
         统一的、多态的渲染入口，直接返回图片字节。
@@ -504,9 +502,12 @@ class RendererService:
         )
         result = await self._render_component(context)
         if Config.get_config("UI", "DEBUG_MODE") and result.html_content:
+            sanitized_html = sanitize_for_logging(
+                result.html_content, context="ui_html"
+            )
             logger.info(
                 f"--- [UI DEBUG] HTML for {component.__class__.__name__} ---\n"
-                f"{result.html_content}\n"
+                f"{sanitized_html}\n"
                 f"--- [UI DEBUG] End of HTML ---"
             )
         if result.image_bytes is None:

zhenxun/utils/log_sanitizer.py

@@ -1,4 +1,5 @@
 import copy
+import re
 from typing import Any
 
 from nonebot.adapters import Message, MessageSegment
@@ -16,6 +17,24 @@ def _truncate_base64_string(value: str, threshold: int = 256) -> str:
     return value
 
 
+def _sanitize_ui_html(html_string: str) -> str:
+    """
+    专门用于净化UI渲染调试HTML的函数。
+    它会查找所有内联的base64数据（如字体、图片）并将其截断。
+    """
+    if not isinstance(html_string, str):
+        return html_string
+
+    pattern = re.compile(r"(data:[^;]+;base64,)[A-Za-z0-9+/=\s]{100,}")
+
+    def replacer(match):
+        prefix = match.group(1)
+        original_len = len(match.group(0)) - len(prefix)
+        return f"{prefix}[...base64_omitted_len={original_len}...]"
+
+    return pattern.sub(replacer, html_string)
+
+
 def _sanitize_nonebot_message(message: Message) -> Message:
     """净化nonebot.adapter.Message对象，用于日志记录。"""
     sanitized_message = copy.deepcopy(message)
@@ -173,6 +192,9 @@ def sanitize_for_logging(data: Any, context: str | None = None) -> Any:
     elif context == "openai_request":
         if isinstance(data, dict):
             return _sanitize_openai_request(data)
+    elif context == "ui_html":
+        if isinstance(data, str):
+            return _sanitize_ui_html(data)
     else:
         if isinstance(data, str):
             return _truncate_base64_string(data)