fix plugins

app/utils/site.py

@@ -0,0 +1,33 @@
+from lxml import etree
+
+
+class SiteUtils:
+
+    @classmethod
+    def is_logged_in(cls, html_text: str) -> bool:
+        """
+        判断站点是否已经登陆
+        :param html_text:
+        :return:
+        """
+        html = etree.HTML(html_text)
+        if not html:
+            return False
+        # 存在明显的密码输入框，说明未登录
+        if html.xpath("//input[@type='password']"):
+            return False
+        # 是否存在登出和用户面板等链接
+        xpaths = ['//a[contains(@href, "logout")'
+                  ' or contains(@data-url, "logout")'
+                  ' or contains(@href, "mybonus") '
+                  ' or contains(@onclick, "logout")'
+                  ' or contains(@href, "usercp")]',
+                  '//form[contains(@action, "logout")]']
+        for xpath in xpaths:
+            if html.xpath(xpath):
+                return True
+        user_info_div = html.xpath('//div[@class="user-info-side"]')
+        if user_info_div:
+            return True
+
+        return False