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okay, all good now. now to fix the arch iso downloader

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This commit is contained in:
brent s. 2021-01-12 03:27:45 -05:00
parent 88828685c2
commit f75e4ee896
Signed by: bts
GPG Key ID: 8C004C2F93481F6B
1 changed files with 35 additions and 25 deletions
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60
sysresccd/relchk.py
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@ -30,7 +30,7 @@ class Updater(object):
ver_file = '.sysresccd.json',
lock_path = '/tmp/.sysresccd.lck',
feed_url = 'https://osdn.net/projects/systemrescuecd/storage/!rss',
dl_base = 'https://osdn.net/frs/redir.php?m=constant&f=/storage/g/s/sy/systemrescuecd',
# dl_base = 'https://osdn.mirror.constant.com//storage/g/s/sy/systemrescuecd',
grub_cfg = '/etc/grub.d/40_custom_sysresccd',
# check_gpg = True, # TODO: GPG sig checking
hash_type = 'sha512'):
@ -46,10 +46,10 @@ class Updater(object):
self.dest_file = dest_file
self.ver_file = ver_file
self.feed_url = feed_url
self.dl_base = dl_base
# self.dl_base = dl_base
self.dl_base = None
self.grub_cfg = grub_cfg
self.lckfile = os.path.abspath(os.path.expanduser(lock_path))
self.hasher = hashlib.new(self.hash_type)
self.old_date = None
self.old_ver = None
self.old_hash = None
@ -79,6 +79,7 @@ class Updater(object):
all((self.old_date,
self.old_ver,
self.old_hash)):
self.do_update = True
self.download()
self.touchVer()
self.unlock()
@ -91,16 +92,18 @@ class Updater(object):
return(None)
if not self.iso_url:
raise RuntimeError('iso_url attribute must be set first')
req = requests.get(self.iso_url, stream = True)
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 for {0}'.format(self.iso_url))
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:
self.hasher.update(fh.read())
self.new_hash = self.hasher.hexdigest().lower()
self.hasher = hashlib.new(self.hash_type)
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)

@ -114,42 +117,47 @@ class Updater(object):
return(None)
with open(self.dest_ver, 'rb') as fh:
ver_info = json.load(fh)
tz_data = datetime.timezone(datetime.timedelta(hours = 0), 'UTC')
self.old_date = datetime.datetime.fromtimestamp(ver_info['date']).replace(tzinfo = tz_data)
self.old_date = datetime.datetime.strptime(ver_info['date'], self._date_fmt)
self.old_ver = ver_info['ver']
self.old_hash = ver_info.get(self.hash_type, self._def_hash)
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:
self.hasher.update(fh.read())
if self.old_hash != self.hasher.hexdigest().lower():
hasher.update(fh.read())
if self.old_hash != hasher.hexdigest().lower():
self.do_update = True
self.force_update = True
self.hasher = hashlib.new(self.hash_type)
except FileNotFoundError:
self.do_update = True
self.force_update = True
return(None)
return (None)

def getNewVer(self):
if self.getRunning():
return(None)
req = requests.get(self.feed_url)
req = requests.get(self.feed_url, headers = {'User-Agent': 'curl/7.74.0'})
if not req.ok:
raise RuntimeError('Received non-200/30x for {0}'.format(self.feed_url))
raise RuntimeError('Received non-200/30x {0} for {1}'.format(req.status_code, self.feed_url))
feed = etree.fromstring(req.content)
self.dl_base = feed.xpath('channel/link')[0].text
for item in feed.xpath('//item'):
date_xml = item.find('pubDate')
title_xml = item.find('title')
link_xml = item.find('link')
# link_xml = item.find('link')
date = title = link = None
if date_xml is not None:
date = datetime.datetime.strptime(date_xml.text, self._date_fmt)
if title_xml is not None:
title = title_xml.text
if link_xml is not None:
link = link_xml.text
# if link_xml is not None:
# link = link_xml.text
fname_r = self._fname_re.search(os.path.basename(title))
if not fname_r:
continue
@ -163,12 +171,13 @@ class Updater(object):
self.do_update = True
self.new_ver = new_ver
self.new_date = date
self.iso_url = link
self.iso_url = os.path.join(self.dl_base, title.lstrip('/'))
hash_url = '{0}.{1}'.format(self.iso_url, self.hash_type)
req = requests.get(hash_url)
req = requests.get(hash_url, headers = {'User-Agent': 'curl/7.74.0'})
if not req.ok:
raise RuntimeError('Received non-200/30x for {0}'.format(hash_url))
self.new_hash = req.content.decode('utf-8').lower()
raise RuntimeError('Received non-200/30x {0} for {1}'.format(req.status_code, hash_url))
self.new_hash = req.content.decode('utf-8').lower().split()[0]
break
return(None)

def getRunning(self):
@ -204,12 +213,13 @@ class Updater(object):
def updateVer(self):
if self.getRunning():
return(None)
d = {'date': self.new_date.timestamp(),
d = {'date': self.new_date.strftime(self._date_fmt),
'arch': self.arch,
'ver': self.new_ver,
self.hash_type: self.new_hash}
with open(os.path.join(self.dest_dir, self.ver_file), 'w') as fh:
fh.write(json.dumps(d, indent = 4))
j = json.dumps(d, indent = 4)
with open(self.dest_ver, 'w') as fh:
fh.write(j)
fh.write('\n')
return(None)