forked from puhanfmc3/tentest
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.8 KiB
49 lines
1.8 KiB
import re
|
|
from urllib.parse import urlparse
|
|
from djangoblog.plugin_manage.base_plugin import BasePlugin
|
|
from djangoblog.plugin_manage import hooks
|
|
from djangoblog.plugin_manage.hook_constants import ARTICLE_CONTENT_HOOK_NAME
|
|
|
|
|
|
class ExternalLinksPlugin(BasePlugin):
|
|
PLUGIN_NAME = '外部链接处理器'
|
|
PLUGIN_DESCRIPTION = '自动为文章中的外部链接添加 target="_blank" 和 rel="noopener noreferrer" 属性。'
|
|
PLUGIN_VERSION = '0.1.0'
|
|
PLUGIN_AUTHOR = 'liangliangyy'
|
|
|
|
def register_hooks(self):
|
|
hooks.register(ARTICLE_CONTENT_HOOK_NAME, self.process_external_links)
|
|
|
|
def process_external_links(self, content, *args, **kwargs):
|
|
from djangoblog.utils import get_current_site
|
|
site_domain = get_current_site().domain
|
|
|
|
# 正则表达式查找所有 <a> 标签
|
|
link_pattern = re.compile(r'(<a\s+(?:[^>]*?\s+)?href=")([^"]*)(".*?/a>)', re.IGNORECASE)
|
|
|
|
def replacer(match):
|
|
# match.group(1) 是 <a ... href="
|
|
# match.group(2) 是链接 URL
|
|
# match.group(3) 是 ">...</a>
|
|
href = match.group(2)
|
|
|
|
# 如果链接已经有 target 属性，则不处理
|
|
if 'target=' in match.group(0).lower():
|
|
return match.group(0)
|
|
|
|
# 解析链接
|
|
parsed_url = urlparse(href)
|
|
|
|
# 如果链接是外部的 (有域名且域名不等于当前网站域名)
|
|
if parsed_url.netloc and parsed_url.netloc != site_domain:
|
|
# 添加 target 和 rel 属性
|
|
return f'{match.group(1)}{href}" target="_blank" rel="noopener noreferrer"{match.group(3)}'
|
|
|
|
# 否则返回原样
|
|
return match.group(0)
|
|
|
|
return link_pattern.sub(replacer, content)
|
|
|
|
|
|
plugin = ExternalLinksPlugin()
|