changing to new format
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346
arch/relchk.py
346
arch/relchk.py
@ -1,81 +1,293 @@
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#!/usr/bin/env python3
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import configparser
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import datetime
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import json
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import hashlib
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import os
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import pathlib
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import re
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from bs4 import BeautifulSoup
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from urllib.parse import urljoin, urlparse
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from urllib.request import urlopen
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import shutil
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##
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import psutil
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import requests
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from lxml import etree
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##
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import arch_mirror_ranking # <optools>/arch/arch_mirror_ranking.py
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class Updater(object):
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_fname_re = re.compile(r'^archlinux-(?P<version>[0-9]{4}\.[0-9]{2}\.[0-9]{2})-(?P<arch>(i686|x86_64)).iso$')
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_def_hash = 'sha1'
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_allowed_hashes = ('md5', 'sha1')
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_allowed_arches = ('x86_64', )
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_date_fmt = '%a, %d %b %Y %H:%M:%S %z'
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_datever_fmt = '%Y.%m.%d'
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_arch = 'x86_64' # Arch Linux proper only offers x86_64.
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_iso_dir = 'iso/latest'
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_iso_file = os.path.join(_iso_dir, 'archlinux-{ver}-{arch}.iso')
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def __init__(self,
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dest_dir = '/boot/iso',
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dest_file = 'arch.iso',
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ver_file = '.arch.json',
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lock_path = '/tmp/.arch.lck',
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feed_url = 'https://archlinux.org/feeds/releases/',
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grub_cfg = '/etc/grub.d/40_custom_arch',
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# check_gpg = True, # TODO: GPG sig checking
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hash_type = 'sha1'):
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# if arch.lower() not in self._allowed_arches:
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# raise ValueError('arch must be one of: {0}'.format(', '.join(self._allowed_arches)))
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# else:
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# self._arch = arch.lower()
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if hash_type.lower() not in self._allowed_hashes:
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raise ValueError('hash_type must be one of: {0}'.format(', '.join(self._allowed_hashes)))
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else:
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self.hash_type = hash_type.lower()
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self.dest_dir = os.path.abspath(os.path.expanduser(dest_dir))
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self.dest_file = dest_file
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self.ver_file = ver_file
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self.feed_url = feed_url
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self.grub_cfg = grub_cfg
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self.lckfile = os.path.abspath(os.path.expanduser(lock_path))
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# From the JSON.
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self.rel_notes_url = None
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self.old_date = None
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self.old_ver = None
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self.old_hash = None
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self.mirror_base = None
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self.country = None
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# New vals.
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self.new_date = None
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self.new_ver = None
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self.new_hash = None
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# Instance vars again.
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self.do_update = False
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self.force_update = False
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self.iso_url = None
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self.ipv4 = True
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self.ipv6 = False
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self.dest_iso = os.path.join(self.dest_dir, self.dest_file)
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self.dest_ver = os.path.join(self.dest_dir, self.ver_file)
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self._init_vars()
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def _init_vars(self):
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if self.getRunning():
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return(None)
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self.getCountry()
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self.getNet()
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self.getCurVer()
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self.getNewVer()
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return(None)
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def main(self):
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if self.getRunning():
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return(None)
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self.lock()
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if self.do_update or \
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self.force_update or not \
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all((self.old_date,
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self.old_ver,
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self.old_hash)):
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self.do_update = True
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self.findMirror()
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self.download()
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self.touchVer()
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self.unlock()
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return(None)
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def download(self):
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if self.getRunning():
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return(None)
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if not any((self.do_update, self.force_update)):
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return(None)
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if not self.iso_url:
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raise RuntimeError('iso_url attribute must be set first')
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req = requests.get(self.iso_url, stream = True, headers = {'User-Agent': 'curl/7.74.0'})
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if not req.ok:
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raise RuntimeError('Received non-200/30x {0} for {1}'.format(req.status_code, self.iso_url))
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with req as uri:
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with open(self.dest_iso, 'wb') as fh:
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shutil.copyfileobj(uri.raw, fh)
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hasher = hashlib.new(self.hash_type)
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with open(self.dest_iso, 'rb') as fh:
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hasher.update(fh.read())
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realhash = hasher.hexdigest().lower()
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if realhash != self.new_hash:
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raise RuntimeError('Hash mismatch: {0} (LOCAL), {1} (REMOTE)'.format(realhash, self.new_hash))
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self.updateVer()
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return(None)
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def findMirror(self):
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self.getCountry()
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if self.mirror_base:
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return(None)
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for p in ('http', 'https'):
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m = arch_mirror_ranking.MirrorIdx(country = self.country,
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proto = 'http',
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is_active = True,
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ipv4 = self.ipv4,
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ipv6 = self.ipv6,
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isos = True,
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statuses = False)
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for s in m.ranked_servers:
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try:
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import lxml
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htmlparser = 'lxml'
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except ImportError:
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htmlparser = 'html.parser'
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req = requests.get(s['url'])
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if req.ok:
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self.mirror_base = s['url']
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break
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except (OSError, ConnectionRefusedError):
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continue
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return(None)
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cfgpath = os.path.abspath(os.path.expanduser(
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'~/.config/optools/relchk/arch.ini'))
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def getCountry(self):
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if self.country: # The API has limited number of accesses for free.
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return(None)
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url = 'https://ipinfo.io/country'
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req = requests.get(url, headers = {'User-Agent': 'curl/7.74.0'})
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if not req.ok:
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raise RuntimeError('Received non-200/30x {0} for {1}'.format(req.status_code, url))
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self.country = req.content.decode('utf-8').strip().upper()
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return(None)
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cfg = configparser.ConfigParser()
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cfg['arch'] = {'url': 'https://arch.mirror.square-r00t.net/iso/latest/',
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'path': '/boot/iso/arch.iso',
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'hashtype': 'sha1',
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'hashurl': (
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'https://arch.mirror.square-r00t.net/iso/latest/sha1sums.txt')
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}
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def getCurVer(self):
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if self.getRunning():
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return(None)
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if not os.path.isfile(self.dest_ver):
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self.do_update = True
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self.force_update = True
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self.old_ver = 0.00
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return(None)
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with open(self.dest_ver, 'rb') as fh:
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ver_info = json.load(fh)
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self.old_date = datetime.datetime.strptime(ver_info['date'], self._date_fmt)
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self.old_ver = datetime.datetime.strptime(ver_info['ver'], self._datever_fmt)
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self.old_hash = ver_info.get(self.hash_type, self._def_hash)
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self.country = ver_info.get('country')
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self.new_hash = self.old_hash
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self.new_ver = self.old_ver
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self.new_date = self.old_date
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# if ver_info.get('arch') != self._arch:
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# self.do_update = True
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# self.force_update = True
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try:
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hasher = hashlib.new(self.hash_type)
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with open(self.dest_iso, 'rb') as fh:
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hasher.update(fh.read())
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if self.old_hash != hasher.hexdigest().lower():
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self.do_update = True
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self.force_update = True
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except FileNotFoundError:
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self.do_update = True
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self.force_update = True
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return(None)
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return(None)
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if not os.path.isfile(cfgpath):
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os.makedirs(os.path.dirname(cfgpath), exist_ok = True)
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with open(cfgpath, 'w') as f:
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cfg.write(f)
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else:
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cfg.read(cfgpath)
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def getNet(self):
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for k in ('ipv4', 'ipv6'):
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url = 'https://{0}.clientinfo.square-r00t.net'.format(k)
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try:
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req = requests.get(url)
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setattr(self, k, req.json()['ip'])
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except OSError:
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setattr(self, k, False)
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return(None)
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cfg['arch']['path'] = os.path.abspath(os.path.expanduser(cfg['arch']['path']))
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def getNewVer(self):
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if self.getRunning():
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return(None)
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if not self.mirror_base:
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self.findMirror()
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req = requests.get(self.feed_url, headers = {'User-Agent': 'curl/7.74.0'})
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if not req.ok:
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raise RuntimeError('Received non-200/30x {0} for {1}'.format(req.status_code, self.feed_url))
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feed = etree.fromstring(req.content)
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for item in feed.xpath('//item'):
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date_xml = item.find('pubDate')
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ver_xml = item.find('title')
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notes_xml = item.find('link')
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date = ver = notes = None
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if date_xml is not None:
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date = datetime.datetime.strptime(date_xml.text, self._date_fmt)
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if ver_xml is not None:
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ver = ver_xml.text
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if notes_xml is not None:
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notes = notes_xml.text
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new_ver = datetime.datetime.strptime(ver, self._datever_fmt)
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if not all((self.old_ver, self.old_date)) or \
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(new_ver > self.old_ver) or \
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(self.old_date < date):
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self.do_update = True
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self.new_ver = new_ver
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self.new_date = date
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self.rel_notes_url = notes
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datever = self.new_ver.strftime(self._datever_fmt)
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self.iso_url = os.path.join(self.mirror_base,
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self._iso_file.lstrip('/')).format(ver = datever, arch = self._arch)
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hash_url = os.path.join(self.mirror_base,
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self._iso_dir,
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'{0}sums.txt'.format(self.hash_type))
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req = requests.get(hash_url, headers = {'User-Agent': 'curl/7.74.0'})
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if not req.ok:
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raise RuntimeError('Received non-200/30x {0} for {1}'.format(req.status_code, hash_url))
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hash_lines = req.content.decode('utf-8').strip().splitlines()
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tgt_fname = os.path.basename(self.iso_url)
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for line in hash_lines:
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if line.strip().startswith('#'):
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continue
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hash_str, fname = line.split()
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if fname != tgt_fname:
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continue
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self.new_hash = hash_str.lower()
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break
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break
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return(None)
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# We need the hashes first. We'll pop them into memory,
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# no need to save locally.
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# Must be in GNU checksum format (i.e. "<HASH> <FILENAME>\n").
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hashes = {}
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if 'hashurl' in cfg['arch']:
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with urlopen(cfg['arch']['hashurl']) as h:
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for i in h.read().decode('utf-8').splitlines():
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line = [x.strip() for x in i.split()]
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hashes[os.path.basename(line[1])] = line[0]
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chksum = hashlib.new(cfg['arch']['hashtype'])
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def getRunning(self):
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if not os.path.isfile(self.lckfile):
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return(False)
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my_pid = os.getpid()
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with open(self.lckfile, 'r') as fh:
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pid = int(fh.read().strip())
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if not psutil.pid_exists(pid):
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os.remove(self.lckfile)
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return(False)
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if pid == my_pid:
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return(False)
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return(True)
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# Now we (try to) get a list of files available for download. We're looking
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# for .iso or .img files. Compressed images not currently supported; TODO.
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exts = re.compile('.*\.(iso|img)$', re.IGNORECASE)
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imgfiles = []
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with urlopen(cfg['arch']['url']) as u:
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dlsoup = BeautifulSoup(u.read().decode('utf-8'), htmlparser)
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for a in dlsoup.find_all('a'):
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if a['href']:
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if exts.search(a['href']):
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if not urlparse(a['href']).netloc:
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imgfiles.append(urljoin(cfg['arch']['url'], a['href']))
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else:
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imgfiles.append(a['href'])
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if not imgfiles:
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raise RuntimeError('Could not find any ISO or IMG files at {0}'.format(
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cfg['arch']['url']))
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# Not foolproof, but will handle standard Arch ISO mirrors just fine.
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imgfiles.sort()
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iso = imgfiles[0]
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def lock(self):
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with open(self.lckfile, 'w') as fh:
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fh.write(str(os.getpid()))
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return(None)
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# Now we get the existing file (if it exists) and grab the hash (if we have
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# one fetched).
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up2date = False
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if os.path.isfile(cfg['arch']['path']):
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_fname = os.path.basename(iso)
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if _fname in hashes:
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with open(cfg['arch']['path'], 'rb') as f:
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chksum.update(f.read())
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if chksum.hexdigest().lower() == hashes[_fname].lower():
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up2date = True
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def touchVer(self):
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if self.getRunning():
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return(None)
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ver_path = pathlib.Path(self.dest_ver)
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ver_path.touch(exist_ok = True)
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return(None)
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if not up2date:
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os.makedirs(os.path.dirname(cfg['arch']['path']), exist_ok = True)
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with open(cfg['arch']['path'], 'wb') as f, urlopen(iso) as u:
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f.write(u.read())
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def unlock(self):
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if os.path.isfile(self.lckfile):
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os.remove(self.lckfile)
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return(None)
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def updateVer(self):
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if self.getRunning():
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return(None)
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d = {'date': self.new_date.strftime(self._date_fmt),
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'mirror': self.mirror_base,
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'country': self.country,
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'notes': self.rel_notes_url,
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'ver': self.new_ver.strftime(self._datever_fmt),
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self.hash_type: self.new_hash}
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j = json.dumps(d, indent = 4)
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with open(self.dest_ver, 'w') as fh:
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fh.write(j)
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fh.write('\n')
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return(None)
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if __name__ == '__main__':
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u = Updater()
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u.main()
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293
arch/relchk2.py
293
arch/relchk2.py
@ -1,293 +0,0 @@
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#!/usr/bin/env python3
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import datetime
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import json
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import hashlib
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import os
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import pathlib
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import re
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import shutil
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##
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import psutil
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import requests
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from lxml import etree
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##
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import arch_mirror_ranking # <optools>/arch/arch_mirror_ranking.py
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class Updater(object):
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_fname_re = re.compile(r'^archlinux-(?P<version>[0-9]{4}\.[0-9]{2}\.[0-9]{2})-(?P<arch>(i686|x86_64)).iso$')
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_def_hash = 'sha1'
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_allowed_hashes = ('md5', 'sha1')
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_allowed_arches = ('x86_64', )
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_date_fmt = '%a, %d %b %Y %H:%M:%S %z'
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_datever_fmt = '%Y.%m.%d'
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_arch = 'x86_64' # Arch Linux proper only offers x86_64.
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_iso_dir = 'iso/latest'
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_iso_file = os.path.join(_iso_dir, 'archlinux-{ver}-{arch}.iso')
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def __init__(self,
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dest_dir = '/boot/iso',
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dest_file = 'arch.iso',
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ver_file = '.arch.json',
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lock_path = '/tmp/.arch.lck',
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feed_url = 'https://archlinux.org/feeds/releases/',
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grub_cfg = '/etc/grub.d/40_custom_arch',
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# check_gpg = True, # TODO: GPG sig checking
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hash_type = 'sha1'):
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# if arch.lower() not in self._allowed_arches:
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# raise ValueError('arch must be one of: {0}'.format(', '.join(self._allowed_arches)))
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# else:
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# self._arch = arch.lower()
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if hash_type.lower() not in self._allowed_hashes:
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raise ValueError('hash_type must be one of: {0}'.format(', '.join(self._allowed_hashes)))
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else:
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self.hash_type = hash_type.lower()
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self.dest_dir = os.path.abspath(os.path.expanduser(dest_dir))
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self.dest_file = dest_file
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self.ver_file = ver_file
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self.feed_url = feed_url
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self.grub_cfg = grub_cfg
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self.lckfile = os.path.abspath(os.path.expanduser(lock_path))
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# From the JSON.
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self.rel_notes_url = None
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self.old_date = None
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self.old_ver = None
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self.old_hash = None
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self.mirror_base = None
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self.country = None
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# New vals.
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self.new_date = None
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self.new_ver = None
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self.new_hash = None
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# Instance vars again.
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self.do_update = False
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self.force_update = False
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self.iso_url = None
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self.ipv4 = True
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self.ipv6 = False
|
||||
self.dest_iso = os.path.join(self.dest_dir, self.dest_file)
|
||||
self.dest_ver = os.path.join(self.dest_dir, self.ver_file)
|
||||
self._init_vars()
|
||||
|
||||
def _init_vars(self):
|
||||
if self.getRunning():
|
||||
return(None)
|
||||
self.getCountry()
|
||||
self.getNet()
|
||||
self.getCurVer()
|
||||
self.getNewVer()
|
||||
return(None)
|
||||
|
||||
def main(self):
|
||||
if self.getRunning():
|
||||
return(None)
|
||||
self.lock()
|
||||
if self.do_update or \
|
||||
self.force_update or not \
|
||||
all((self.old_date,
|
||||
self.old_ver,
|
||||
self.old_hash)):
|
||||
self.do_update = True
|
||||
self.findMirror()
|
||||
self.download()
|
||||
self.touchVer()
|
||||
self.unlock()
|
||||
return(None)
|
||||
|
||||
def download(self):
|
||||
if self.getRunning():
|
||||
return(None)
|
||||
if not any((self.do_update, self.force_update)):
|
||||
return(None)
|
||||
if not self.iso_url:
|
||||
raise RuntimeError('iso_url attribute must be set first')
|
||||
req = requests.get(self.iso_url, stream = True, headers = {'User-Agent': 'curl/7.74.0'})
|
||||
if not req.ok:
|
||||
raise RuntimeError('Received non-200/30x {0} for {1}'.format(req.status_code, self.iso_url))
|
||||
with req as uri:
|
||||
with open(self.dest_iso, 'wb') as fh:
|
||||
shutil.copyfileobj(uri.raw, fh)
|
||||
hasher = hashlib.new(self.hash_type)
|
||||
with open(self.dest_iso, 'rb') as fh:
|
||||
hasher.update(fh.read())
|
||||
realhash = hasher.hexdigest().lower()
|
||||
if realhash != self.new_hash:
|
||||
raise RuntimeError('Hash mismatch: {0} (LOCAL), {1} (REMOTE)'.format(realhash, self.new_hash))
|
||||
self.updateVer()
|
||||
return(None)
|
||||
|
||||
def findMirror(self):
|
||||
self.getCountry()
|
||||
if self.mirror_base:
|
||||
return(None)
|
||||
for p in ('http', 'https'):
|
||||
m = arch_mirror_ranking.MirrorIdx(country = self.country,
|
||||
proto = 'http',
|
||||
is_active = True,
|
||||
ipv4 = self.ipv4,
|
||||
ipv6 = self.ipv6,
|
||||
isos = True,
|
||||
statuses = False)
|
||||
for s in m.ranked_servers:
|
||||
try:
|
||||
req = requests.get(s['url'])
|
||||
if req.ok:
|
||||
self.mirror_base = s['url']
|
||||
break
|
||||
except (OSError, ConnectionRefusedError):
|
||||
continue
|
||||
return(None)
|
||||
|
||||
def getCountry(self):
|
||||
if self.country: # The API has limited number of accesses for free.
|
||||
return(None)
|
||||
url = 'https://ipinfo.io/country'
|
||||
req = requests.get(url, headers = {'User-Agent': 'curl/7.74.0'})
|
||||
if not req.ok:
|
||||
raise RuntimeError('Received non-200/30x {0} for {1}'.format(req.status_code, url))
|
||||
self.country = req.content.decode('utf-8').strip().upper()
|
||||
return(None)
|
||||
|
||||
def getCurVer(self):
|
||||
if self.getRunning():
|
||||
return(None)
|
||||
if not os.path.isfile(self.dest_ver):
|
||||
self.do_update = True
|
||||
self.force_update = True
|
||||
self.old_ver = 0.00
|
||||
return(None)
|
||||
with open(self.dest_ver, 'rb') as fh:
|
||||
ver_info = json.load(fh)
|
||||
self.old_date = datetime.datetime.strptime(ver_info['date'], self._date_fmt)
|
||||
self.old_ver = datetime.datetime.strptime(ver_info['ver'], self._datever_fmt)
|
||||
self.old_hash = ver_info.get(self.hash_type, self._def_hash)
|
||||
self.country = ver_info.get('country')
|
||||
self.new_hash = self.old_hash
|
||||
self.new_ver = self.old_ver
|
||||
self.new_date = self.old_date
|
||||
# if ver_info.get('arch') != self._arch:
|
||||
# self.do_update = True
|
||||
# self.force_update = True
|
||||
try:
|
||||
hasher = hashlib.new(self.hash_type)
|
||||
with open(self.dest_iso, 'rb') as fh:
|
||||
hasher.update(fh.read())
|
||||
if self.old_hash != hasher.hexdigest().lower():
|
||||
self.do_update = True
|
||||
self.force_update = True
|
||||
except FileNotFoundError:
|
||||
self.do_update = True
|
||||
self.force_update = True
|
||||
return(None)
|
||||
return(None)
|
||||
|
||||
def getNet(self):
|
||||
for k in ('ipv4', 'ipv6'):
|
||||
url = 'https://{0}.clientinfo.square-r00t.net'.format(k)
|
||||
try:
|
||||
req = requests.get(url)
|
||||
setattr(self, k, req.json()['ip'])
|
||||
except OSError:
|
||||
setattr(self, k, False)
|
||||
return(None)
|
||||
|
||||
def getNewVer(self):
|
||||
if self.getRunning():
|
||||
return(None)
|
||||
if not self.mirror_base:
|
||||
self.findMirror()
|
||||
req = requests.get(self.feed_url, headers = {'User-Agent': 'curl/7.74.0'})
|
||||
if not req.ok:
|
||||
raise RuntimeError('Received non-200/30x {0} for {1}'.format(req.status_code, self.feed_url))
|
||||
feed = etree.fromstring(req.content)
|
||||
for item in feed.xpath('//item'):
|
||||
date_xml = item.find('pubDate')
|
||||
ver_xml = item.find('title')
|
||||
notes_xml = item.find('link')
|
||||
date = ver = notes = None
|
||||
if date_xml is not None:
|
||||
date = datetime.datetime.strptime(date_xml.text, self._date_fmt)
|
||||
if ver_xml is not None:
|
||||
ver = ver_xml.text
|
||||
if notes_xml is not None:
|
||||
notes = notes_xml.text
|
||||
new_ver = datetime.datetime.strptime(ver, self._datever_fmt)
|
||||
if not all((self.old_ver, self.old_date)) or \
|
||||
(new_ver > self.old_ver) or \
|
||||
(self.old_date < date):
|
||||
self.do_update = True
|
||||
self.new_ver = new_ver
|
||||
self.new_date = date
|
||||
self.rel_notes_url = notes
|
||||
datever = self.new_ver.strftime(self._datever_fmt)
|
||||
self.iso_url = os.path.join(self.mirror_base,
|
||||
self._iso_file.lstrip('/')).format(ver = datever, arch = self._arch)
|
||||
hash_url = os.path.join(self.mirror_base,
|
||||
self._iso_dir,
|
||||
'{0}sums.txt'.format(self.hash_type))
|
||||
req = requests.get(hash_url, headers = {'User-Agent': 'curl/7.74.0'})
|
||||
if not req.ok:
|
||||
raise RuntimeError('Received non-200/30x {0} for {1}'.format(req.status_code, hash_url))
|
||||
hash_lines = req.content.decode('utf-8').strip().splitlines()
|
||||
tgt_fname = os.path.basename(self.iso_url)
|
||||
for line in hash_lines:
|
||||
if line.strip().startswith('#'):
|
||||
continue
|
||||
hash_str, fname = line.split()
|
||||
if fname != tgt_fname:
|
||||
continue
|
||||
self.new_hash = hash_str.lower()
|
||||
break
|
||||
break
|
||||
return(None)
|
||||
|
||||
def getRunning(self):
|
||||
if not os.path.isfile(self.lckfile):
|
||||
return(False)
|
||||
my_pid = os.getpid()
|
||||
with open(self.lckfile, 'r') as fh:
|
||||
pid = int(fh.read().strip())
|
||||
if not psutil.pid_exists(pid):
|
||||
os.remove(self.lckfile)
|
||||
return(False)
|
||||
if pid == my_pid:
|
||||
return(False)
|
||||
return(True)
|
||||
|
||||
def lock(self):
|
||||
with open(self.lckfile, 'w') as fh:
|
||||
fh.write(str(os.getpid()))
|
||||
return(None)
|
||||
|
||||
def touchVer(self):
|
||||
if self.getRunning():
|
||||
return(None)
|
||||
ver_path = pathlib.Path(self.dest_ver)
|
||||
ver_path.touch(exist_ok = True)
|
||||
return(None)
|
||||
|
||||
def unlock(self):
|
||||
if os.path.isfile(self.lckfile):
|
||||
os.remove(self.lckfile)
|
||||
return(None)
|
||||
|
||||
def updateVer(self):
|
||||
if self.getRunning():
|
||||
return(None)
|
||||
d = {'date': self.new_date.strftime(self._date_fmt),
|
||||
'mirror': self.mirror_base,
|
||||
'country': self.country,
|
||||
'notes': self.rel_notes_url,
|
||||
'ver': self.new_ver.strftime(self._datever_fmt),
|
||||
self.hash_type: self.new_hash}
|
||||
j = json.dumps(d, indent = 4)
|
||||
with open(self.dest_ver, 'w') as fh:
|
||||
fh.write(j)
|
||||
fh.write('\n')
|
||||
return(None)
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
u = Updater()
|
||||
u.main()
|
||||
Loading…
Reference in New Issue
Block a user