KasperskyLab-TinyCheck/server/frontend/app/classes/update.py
2021-02-19 13:20:18 +01:00

83 lines
3.1 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from app.utils import read_config
import subprocess as sp
import requests
import json
import os
import re
class Update(object):
def __init__(self):
self.project_url = "https://api.github.com/repos/KasperskyLab/TinyCheck/tags"
self.app_path = "/usr/share/tinycheck"
return None
def check_version(self):
"""
Check if a new version of TinyCheck is available
by quering the Github api and comparing the last
tag inside the VERSION file.
:return: dict containing the available versions.
"""
if read_config(("frontend", "update")):
try:
res = requests.get(self.project_url)
res = json.loads(res.content.decode("utf8"))
with open(os.path.join(self.app_path, "VERSION")) as f:
cv = f.read()
if cv != res[0]["name"]:
return {"status": True,
"message": "A new version is available",
"current_version": cv,
"next_version": res[0]["name"]}
else:
return {"status": True,
"message": "This is the latest version",
"current_version": cv}
except:
return {"status": False,
"message": "Something went wrong (no API access nor version file)"}
else:
return {"status": False,
"message": "You don't have rights to do this operation."}
def get_current_version(self):
"""
Get the current version of the TinyCheck instance
:return: dict containing the current version or error.
"""
if read_config(("frontend", "update")):
try:
with open(os.path.join(self.app_path, "VERSION")) as f:
return {"status": True,
"current_version": f.read()}
except:
return {"status": False,
"message": "Something went wrong - no version file ?"}
else:
return {"status": False,
"message": "You don't have rights to do this operation."}
def update_instance(self):
"""
Update the instance by executing the update script.
:return: dict containing the update status.
"""
if read_config(("frontend", "update")):
try:
os.chdir(self.app_path)
sp.Popen(["bash", os.path.join(self.app_path, "update.sh")])
return {"status": True,
"message": "Update successfully launched"}
except:
return {"status": False,
"message": "Issue during the update"}
else:
return {"status": False,
"message": "You don't have rights to do this operation."}