mirror of
https://github.com/searxng/searxng.git
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79 lines
2.7 KiB
Python
79 lines
2.7 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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"""A plugin to check if the ip address of the request is a Tor exit-node if the
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user searches for ``tor-check``. It fetches the tor exit node list from
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:py:obj:`url_exit_list` and parses all the IPs into a list, then checks if the
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user's IP address is in it.
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"""
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from ipaddress import ip_address
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import typing
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import re
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from flask_babel import gettext
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from httpx import HTTPError
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from searx.network import get
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from searx.plugins import Plugin, PluginInfo
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from searx.result_types import EngineResults
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if typing.TYPE_CHECKING:
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from searx.search import SearchWithPlugins
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from searx.extended_types import SXNG_Request
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from searx.plugins import PluginCfg
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# Regex for exit node addresses in the list.
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reg = re.compile(r"(?<=ExitAddress )\S+")
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url_exit_list = "https://check.torproject.org/exit-addresses"
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"""URL to load Tor exit list from."""
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class SXNGPlugin(Plugin):
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"""Rewrite hostnames, remove results or prioritize them."""
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id = "tor_check"
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keywords = ["tor-check", "tor_check", "torcheck", "tor", "tor check"]
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def __init__(self, plg_cfg: "PluginCfg") -> None:
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super().__init__(plg_cfg)
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self.info = PluginInfo(
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id=self.id,
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name=gettext("Tor check plugin"),
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description=gettext(
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"This plugin checks if the address of the request is a Tor exit-node, and"
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" informs the user if it is; like check.torproject.org, but from SearXNG."
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),
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preference_section="query",
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)
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def post_search(self, request: "SXNG_Request", search: "SearchWithPlugins") -> EngineResults:
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results = EngineResults()
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if search.search_query.pageno > 1:
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return results
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if search.search_query.query.lower() in self.keywords:
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# Request the list of tor exit nodes.
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try:
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resp = get(url_exit_list)
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node_list = re.findall(reg, resp.text) # type: ignore
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except HTTPError:
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# No answer, return error
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msg = gettext("Could not download the list of Tor exit-nodes from")
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results.add(results.types.Answer(answer=f"{msg} {url_exit_list}"))
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return results
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real_ip = ip_address(address=str(request.remote_addr)).compressed
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if real_ip in node_list:
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msg = gettext("You are using Tor and it looks like you have the external IP address")
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results.add(results.types.Answer(answer=f"{msg} {real_ip}"))
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else:
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msg = gettext("You are not using Tor and you have the external IP address")
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results.add(results.types.Answer(answer=f"{msg} {real_ip}"))
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return results
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