283 lines
11 KiB
Python
283 lines
11 KiB
Python
import os
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import textwrap
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from django.utils.translation import ugettext_lazy as _
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from orchestra.contrib.orchestration import ServiceController, replace
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from orchestra.contrib.resources import ServiceMonitor
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from . import settings
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class UNIXUserBackend(ServiceController):
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verbose_name = _("UNIX user")
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model = 'systemusers.SystemUser'
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actions = ('save', 'delete', 'grant_permission')
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def save(self, user):
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context = self.get_context(user)
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if not context['user']:
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return
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groups = ','.join(self.get_groups(user))
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context['groups_arg'] = '--groups %s' % groups if groups else ''
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# TODO userd add will fail if %(user)s group already exists
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self.append(textwrap.dedent("""
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if [[ $( id %(user)s ) ]]; then
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usermod %(user)s --password '%(password)s' --shell %(shell)s %(groups_arg)s
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else
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useradd %(user)s --home %(home)s --password '%(password)s' --shell %(shell)s %(groups_arg)s
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fi
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mkdir -p %(home)s
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chmod 750 %(home)s
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chown %(user)s:%(user)s %(home)s""") % context
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)
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if context['home'] != context['base_home']:
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self.append(textwrap.dedent("""
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mkdir -p %(base_home)s
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chmod 750 %(base_home)s
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chown %(user)s:%(user)s %(base_home)s""") % context
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)
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for member in settings.SYSTEMUSERS_DEFAULT_GROUP_MEMBERS:
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context['member'] = member
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self.append('usermod -a -G %(user)s %(member)s || exit_code=$?' % context)
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if not user.is_main:
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self.append('usermod -a -G %(user)s %(mainuser)s || exit_code=$?' % context)
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def delete(self, user):
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context = self.get_context(user)
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if not context['user']:
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return
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self.append(textwrap.dedent("""\
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{ sleep 2 && killall -u %(user)s -s KILL; } &
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killall -u %(user)s || true
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userdel %(user)s || exit_code=1
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groupdel %(group)s || exit_code=1
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""") % context
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)
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if context['deleted_home']:
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self.append("mv %(base_home)s %(deleted_home)s || exit_code=1" % context)
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else:
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self.append("rm -fr %(base_home)s" % context)
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def grant_permission(self, user):
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context = self.get_context(user)
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# TODO setacl
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def get_groups(self, user):
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if user.is_main:
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return user.account.systemusers.exclude(username=user.username).values_list('username', flat=True)
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return list(user.groups.values_list('username', flat=True))
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def get_context(self, user):
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context = {
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'object_id': user.pk,
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'user': user.username,
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'group': user.username,
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'password': user.password if user.active else '*%s' % user.password,
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'shell': user.shell,
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'mainuser': user.username if user.is_main else user.account.username,
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'home': user.get_home(),
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'base_home': user.get_base_home(),
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}
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context['deleted_home'] = settings.SYSTEMUSERS_MOVE_ON_DELETE_PATH % context
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return replace(context, "'", '"')
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class UNIXUserDisk(ServiceMonitor):
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model = 'systemusers.SystemUser'
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resource = ServiceMonitor.DISK
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verbose_name = _('UNIX user disk')
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def prepare(self):
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super(UNIXUserDisk, self).prepare()
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self.append(textwrap.dedent("""\
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function monitor () {
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{ du -bs "$1" || echo 0; } | awk {'print $1'}
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}"""
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))
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def monitor(self, user):
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context = self.get_context(user)
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self.append("echo %(object_id)s $(monitor %(base_home)s)" % context)
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def get_context(self, user):
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context = {
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'object_id': user.pk,
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'base_home': user.get_base_home(),
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}
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return replace(context, "'", '"')
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class Exim4Traffic(ServiceMonitor):
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model = 'systemusers.SystemUser'
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resource = ServiceMonitor.TRAFFIC
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verbose_name = _("Exim4 traffic")
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script_executable = '/usr/bin/python'
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def prepare(self):
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mainlog = settings.SYSTEMUSERS_MAIL_LOG_PATH
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context = {
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'current_date': self.current_date.strftime("%Y-%m-%d %H:%M:%S %Z"),
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'mainlogs': str((mainlog, mainlog+'.1')),
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}
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self.append(textwrap.dedent("""\
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import re
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import sys
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from datetime import datetime
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from dateutil import tz
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def to_local_timezone(date, tzlocal=tz.tzlocal()):
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date = datetime.strptime(date, '%Y-%m-%d %H:%M:%S %Z')
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date = date.replace(tzinfo=tz.tzutc())
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date = date.astimezone(tzlocal)
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return date
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mainlogs = {mainlogs}
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# Use local timezone
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end_date = to_local_timezone('{current_date}')
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end_date = int(end_date.strftime('%Y%m%d%H%M%S'))
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users = {{}}
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def prepare(object_id, username, ini_date):
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global users
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ini_date = to_local_timezone(ini_date)
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ini_date = int(ini_date.strftime('%Y%m%d%H%M%S'))
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users[username] = [ini_date, object_id, 0]
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def monitor(users, end_date, mainlogs):
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user_regex = re.compile(r' U=([^ ]+) ')
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for mainlog in mainlogs:
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try:
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with open(mainlog, 'r') as mainlog:
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for line in mainlog.readlines():
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if ' <= ' in line and 'P=local' in line:
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username = user_regex.search(line).groups()[0]
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try:
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sender = users[username]
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except KeyError:
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continue
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else:
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date, time, id, __, __, user, protocol, size = line.split()[:8]
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date = date.replace('-', '')
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date += time.replace(':', '')
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if sender[0] < int(date) < end_date:
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sender[2] += int(size[2:])
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except IOError as e:
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sys.stderr.write(e)
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for username, opts in users.items():
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__, object_id, size = opts
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print object_id, size
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""").format(**context)
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)
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def commit(self):
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self.append('monitor(users, end_date, mainlogs)')
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def monitor(self, user):
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context = self.get_context(user)
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self.append("prepare(%(object_id)s, '%(username)s', '%(last_date)s')" % context)
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def get_context(self, user):
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context = {
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'username': user.username,
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'object_id': user.pk,
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'last_date': self.get_last_date(user.pk).strftime("%Y-%m-%d %H:%M:%S %Z"),
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}
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return replace(context, "'", '"')
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class VsFTPdTraffic(ServiceMonitor):
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model = 'systemusers.SystemUser'
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resource = ServiceMonitor.TRAFFIC
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verbose_name = _('VsFTPd traffic')
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script_executable = '/usr/bin/python'
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def prepare(self):
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vsftplog = settings.SYSTEMUSERS_FTP_LOG_PATH
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context = {
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'current_date': self.current_date.strftime("%Y-%m-%d %H:%M:%S %Z"),
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'vsftplogs': str((vsftplog, vsftplog+'.1')),
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}
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self.append(textwrap.dedent("""\
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import re
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import sys
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from datetime import datetime
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from dateutil import tz
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def to_local_timezone(date, tzlocal=tz.tzlocal()):
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date = datetime.strptime(date, '%Y-%m-%d %H:%M:%S %Z')
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date = date.replace(tzinfo=tz.tzutc())
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date = date.astimezone(tzlocal)
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return date
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vsftplogs = {vsftplogs}
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# Use local timezone
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end_date = to_local_timezone('{current_date}')
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end_date = int(end_date.strftime('%Y%m%d%H%M%S'))
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users = {{}}
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months = {{
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'Jan': '01',
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'Feb': '02',
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'Mar': '03',
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'Apr': '04',
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'May': '05',
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'Jun': '06',
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'Jul': '07',
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'Aug': '08',
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'Sep': '09',
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'Oct': '10',
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'Nov': '11',
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'Dec': '12',
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}}
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def prepare(object_id, username, ini_date):
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global users
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ini_date = to_local_timezone(ini_date)
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ini_date = int(ini_date.strftime('%Y%m%d%H%M%S'))
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users[username] = [ini_date, object_id, 0]
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def monitor(users, end_date, months, vsftplogs):
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user_regex = re.compile(r'\] \[([^ ]+)\] (OK|FAIL) ')
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bytes_regex = re.compile(r', ([0-9]+) bytes, ')
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for vsftplog in vsftplogs:
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try:
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with open(vsftplog, 'r') as vsftplog:
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for line in vsftplog.readlines():
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if ' bytes, ' in line:
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username = user_regex.search(line).groups()[0]
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try:
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user = users[username]
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except KeyError:
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continue
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else:
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__, month, day, time, year = line.split()[:5]
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date = year + months[month] + day + time.replace(':', '')
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if user[0] < int(date) < end_date:
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bytes = bytes_regex.search(line).groups()[0]
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user[2] += int(bytes)
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except IOError as e:
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sys.stderr.write(e)
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for username, opts in users.items():
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__, object_id, size = opts
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print object_id, size
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""").format(**context)
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)
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def monitor(self, user):
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context = self.get_context(user)
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self.append("prepare(%(object_id)s, '%(username)s', '%(last_date)s')" % context)
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def commit(self):
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self.append('monitor(users, end_date, months, vsftplogs)')
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def get_context(self, user):
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context = {
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'last_date': self.get_last_date(user.pk).strftime("%Y-%m-%d %H:%M:%S %Z"),
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'object_id': user.pk,
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'username': user.username,
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}
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return replace(context, "'", '"')
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