[1144] | 1 | # PyKota |
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| 2 | # -*- coding: ISO-8859-15 -*- |
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[695] | 3 | |
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[952] | 4 | # PyKota - Print Quotas for CUPS and LPRng |
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[695] | 5 | # |
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[2622] | 6 | # (c) 2003, 2004, 2005, 2006 Jerome Alet <alet@librelogiciel.com> |
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[873] | 7 | # This program is free software; you can redistribute it and/or modify |
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| 8 | # it under the terms of the GNU General Public License as published by |
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| 9 | # the Free Software Foundation; either version 2 of the License, or |
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| 10 | # (at your option) any later version. |
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[695] | 11 | # |
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[873] | 12 | # This program is distributed in the hope that it will be useful, |
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| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | # GNU General Public License for more details. |
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| 16 | # |
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| 17 | # You should have received a copy of the GNU General Public License |
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| 18 | # along with this program; if not, write to the Free Software |
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[2302] | 19 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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[695] | 20 | # |
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| 21 | # $Id$ |
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| 22 | # |
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[2093] | 23 | # |
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[695] | 24 | |
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| 25 | import sys |
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[1193] | 26 | import os |
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[1960] | 27 | import pwd |
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[817] | 28 | import fnmatch |
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[715] | 29 | import getopt |
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[695] | 30 | import smtplib |
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[772] | 31 | import gettext |
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[782] | 32 | import locale |
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[1469] | 33 | import socket |
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[2783] | 34 | import time |
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[2643] | 35 | from email.MIMEText import MIMEText |
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| 36 | from email.Header import Header |
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[695] | 37 | |
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[708] | 38 | from mx import DateTime |
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| 39 | |
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[2830] | 40 | from pykota import config, storage, logger |
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[2344] | 41 | from pykota.version import __version__, __author__, __years__, __gplblurb__ |
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[695] | 42 | |
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[2345] | 43 | try : |
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| 44 | from pkpgpdls import analyzer, pdlparser |
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[2347] | 45 | except ImportError : # TODO : Remove the try/except after release 1.24. |
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[2345] | 46 | sys.stderr.write("ERROR: pkpgcounter is now distributed separately, please grab it from http://www.librelogiciel.com/software/pkpgcounter/action_Download\n") |
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| 47 | |
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[1795] | 48 | def N_(message) : |
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| 49 | """Fake translation marker for translatable strings extraction.""" |
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| 50 | return message |
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| 51 | |
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[695] | 52 | class PyKotaToolError(Exception): |
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[2512] | 53 | """An exception for PyKota related stuff.""" |
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[695] | 54 | def __init__(self, message = ""): |
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| 55 | self.message = message |
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| 56 | Exception.__init__(self, message) |
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| 57 | def __repr__(self): |
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| 58 | return self.message |
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| 59 | __str__ = __repr__ |
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| 60 | |
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[2512] | 61 | class PyKotaCommandLineError(PyKotaToolError) : |
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| 62 | """An exception for Pykota command line tools.""" |
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| 63 | pass |
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| 64 | |
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[2229] | 65 | def crashed(message="Bug in PyKota") : |
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[1546] | 66 | """Minimal crash method.""" |
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| 67 | import traceback |
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| 68 | lines = [] |
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| 69 | for line in traceback.format_exception(*sys.exc_info()) : |
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| 70 | lines.extend([l for l in line.split("\n") if l]) |
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[2344] | 71 | msg = "ERROR: ".join(["%s\n" % l for l in (["ERROR: PyKota v%s" % __version__, message] + lines)]) |
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[1546] | 72 | sys.stderr.write(msg) |
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| 73 | sys.stderr.flush() |
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| 74 | return msg |
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| 75 | |
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[2782] | 76 | class Percent : |
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| 77 | """A class to display progress.""" |
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[2783] | 78 | def __init__(self, app, size=None) : |
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[2782] | 79 | """Initializes the engine.""" |
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| 80 | self.app = app |
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[2783] | 81 | self.size = None |
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| 82 | if size : |
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| 83 | self.setSize(size) |
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| 84 | self.previous = None |
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| 85 | self.before = time.time() |
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| 86 | |
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| 87 | def setSize(self, size) : |
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| 88 | """Sets the total size.""" |
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| 89 | self.number = 0 |
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[2782] | 90 | self.size = size |
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[2793] | 91 | if size : |
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| 92 | self.factor = 100.0 / float(size) |
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[2782] | 93 | |
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| 94 | def display(self, msg) : |
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| 95 | """Displays the value.""" |
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| 96 | self.app.display(msg) |
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| 97 | |
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| 98 | def oneMore(self) : |
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| 99 | """Increments internal counter.""" |
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[2783] | 100 | if self.size : |
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| 101 | self.number += 1 |
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| 102 | percent = "%.02f" % (float(self.number) * self.factor) |
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| 103 | if percent != self.previous : # optimize for large number of items |
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| 104 | self.display("\r%s%%" % percent) |
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| 105 | self.previous = percent |
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[2782] | 106 | |
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| 107 | def done(self) : |
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| 108 | """Displays the 'done' message.""" |
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[2783] | 109 | after = time.time() |
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| 110 | if self.size : |
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[2788] | 111 | speed = self.size / (after - self.before) |
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| 112 | self.display("\r100.00%%\r \r%s. %s : %.2f %s.\n" \ |
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[2783] | 113 | % (_("Done"), _("Average speed"), speed, _("entries per second"))) |
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| 114 | else : |
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| 115 | self.display("\r100.00%%\r \r%s.\n" % _("Done")) |
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[2782] | 116 | |
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[1911] | 117 | class Tool : |
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| 118 | """Base class for tools with no database access.""" |
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[2344] | 119 | def __init__(self, lang="", charset=None, doc="PyKota v%(__version__)s (c) %(__years__)s %(__author__)s") : |
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[695] | 120 | """Initializes the command line tool.""" |
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[2006] | 121 | # did we drop priviledges ? |
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| 122 | self.privdropped = 0 |
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| 123 | |
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[772] | 124 | # locale stuff |
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[2210] | 125 | self.defaultToCLocale = 0 |
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[788] | 126 | try : |
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[1171] | 127 | locale.setlocale(locale.LC_ALL, lang) |
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[788] | 128 | except (locale.Error, IOError) : |
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[2510] | 129 | # locale.setlocale(locale.LC_ALL, "C") |
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[2210] | 130 | self.defaultToCLocale = 1 |
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[1898] | 131 | try : |
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| 132 | gettext.install("pykota") |
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| 133 | except : |
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[788] | 134 | gettext.NullTranslations().install() |
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[1761] | 135 | |
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| 136 | # We can force the charset. |
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| 137 | # The CHARSET environment variable is set by CUPS when printing. |
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| 138 | # Else we use the current locale's one. |
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| 139 | # If nothing is set, we use ISO-8859-15 widely used in western Europe. |
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[1856] | 140 | localecharset = None |
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[1776] | 141 | try : |
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[1851] | 142 | try : |
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[2195] | 143 | localecharset = locale.nl_langinfo(locale.CODESET) |
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[1856] | 144 | except AttributeError : |
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| 145 | try : |
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[2195] | 146 | localecharset = locale.getpreferredencoding() |
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| 147 | except AttributeError : |
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| 148 | try : |
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[2214] | 149 | localecharset = locale.getlocale()[1] |
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[2195] | 150 | localecharset = localecharset or locale.getdefaultlocale()[1] |
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| 151 | except ValueError : |
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| 152 | pass # Unknown locale, strange... |
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[1856] | 153 | except locale.Error : |
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| 154 | pass |
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[1776] | 155 | self.charset = charset or os.environ.get("CHARSET") or localecharset or "ISO-8859-15" |
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[772] | 156 | |
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| 157 | # pykota specific stuff |
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[715] | 158 | self.documentation = doc |
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[1960] | 159 | |
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[2210] | 160 | def deferredInit(self) : |
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| 161 | """Deferred initialization.""" |
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[1960] | 162 | # try to find the configuration files in user's 'pykota' home directory. |
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[1537] | 163 | try : |
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[2006] | 164 | self.pykotauser = pwd.getpwnam("pykota") |
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[1960] | 165 | except KeyError : |
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[2006] | 166 | self.pykotauser = None |
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[1960] | 167 | confdir = "/etc/pykota" |
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| 168 | missingUser = 1 |
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| 169 | else : |
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[2006] | 170 | confdir = self.pykotauser[5] |
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[1960] | 171 | missingUser = 0 |
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| 172 | |
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[2210] | 173 | self.config = config.PyKotaConfig(confdir) |
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| 174 | self.debug = self.config.getDebug() |
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| 175 | self.smtpserver = self.config.getSMTPServer() |
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| 176 | self.maildomain = self.config.getMailDomain() |
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| 177 | self.logger = logger.openLogger(self.config.getLoggingBackend()) |
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[1542] | 178 | |
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[2006] | 179 | # now drop priviledge if possible |
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| 180 | self.dropPriv() |
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| 181 | |
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[1960] | 182 | # We NEED this here, even when not in an accounting filter/backend |
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[1497] | 183 | self.softwareJobSize = 0 |
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[1495] | 184 | self.softwareJobPrice = 0.0 |
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[1960] | 185 | |
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[2210] | 186 | if self.defaultToCLocale : |
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[2511] | 187 | self.printInfo("Incorrect locale settings. PyKota falls back to the default locale.", "warn") |
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[1960] | 188 | if missingUser : |
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| 189 | self.printInfo("The 'pykota' system account is missing. Configuration files were searched in /etc/pykota instead.", "warn") |
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| 190 | |
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[1761] | 191 | self.logdebug("Charset in use : %s" % self.charset) |
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[1872] | 192 | arguments = " ".join(['"%s"' % arg for arg in sys.argv]) |
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| 193 | self.logdebug("Command line arguments : %s" % arguments) |
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[695] | 194 | |
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[2006] | 195 | def dropPriv(self) : |
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| 196 | """Drops priviledges.""" |
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| 197 | uid = os.geteuid() |
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| 198 | if uid : |
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| 199 | try : |
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| 200 | username = pwd.getpwuid(uid)[0] |
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| 201 | except (KeyError, IndexError), msg : |
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| 202 | self.printInfo(_("Strange problem with uid(%s) : %s") % (uid, msg), "warn") |
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| 203 | else : |
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| 204 | self.logdebug(_("Running as user '%s'.") % username) |
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| 205 | else : |
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| 206 | if self.pykotauser is None : |
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| 207 | self.logdebug(_("No user named 'pykota'. Not dropping priviledges.")) |
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| 208 | else : |
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| 209 | try : |
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| 210 | os.setegid(self.pykotauser[3]) |
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| 211 | os.seteuid(self.pykotauser[2]) |
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| 212 | except OSError, msg : |
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| 213 | self.printInfo(_("Impossible to drop priviledges : %s") % msg, "warn") |
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| 214 | else : |
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| 215 | self.logdebug(_("Priviledges dropped. Now running as user 'pykota'.")) |
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| 216 | self.privdropped = 1 |
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| 217 | |
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| 218 | def regainPriv(self) : |
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| 219 | """Drops priviledges.""" |
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| 220 | if self.privdropped : |
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| 221 | try : |
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| 222 | os.seteuid(0) |
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| 223 | os.setegid(0) |
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| 224 | except OSError, msg : |
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| 225 | self.printInfo(_("Impossible to regain priviledges : %s") % msg, "warn") |
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| 226 | else : |
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[2008] | 227 | self.logdebug(_("Regained priviledges. Now running as root.")) |
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[2006] | 228 | self.privdropped = 0 |
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| 229 | |
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[1761] | 230 | def getCharset(self) : |
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| 231 | """Returns the charset in use.""" |
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| 232 | return self.charset |
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| 233 | |
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[2804] | 234 | def UTF8ToUserCharset(self, text) : |
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| 235 | """Converts from UTF-8 to user's charset.""" |
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| 236 | if text is not None : |
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| 237 | try : |
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| 238 | return unicode(text, "UTF-8").encode(self.charset) |
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[2807] | 239 | except (UnicodeError, TypeError) : |
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[2804] | 240 | try : |
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| 241 | # Incorrect locale settings ? |
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| 242 | return unicode(text, "UTF-8").encode("ISO-8859-15") |
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[2807] | 243 | except (UnicodeError, TypeError) : |
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| 244 | try : |
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| 245 | return text.encode(self.charset) |
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| 246 | except (UnicodeError, TypeError, AttributeError) : |
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| 247 | pass |
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[2804] | 248 | return text |
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| 249 | |
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| 250 | def userCharsetToUTF8(self, text) : |
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| 251 | """Converts from user's charset to UTF-8.""" |
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| 252 | if text is not None : |
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| 253 | try : |
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| 254 | return unicode(text, self.charset).encode("UTF-8") |
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[2807] | 255 | except (UnicodeError, TypeError) : |
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[2804] | 256 | try : |
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| 257 | # Incorrect locale settings ? |
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| 258 | return unicode(text, "ISO-8859-15").encode("UTF-8") |
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[2807] | 259 | except (UnicodeError, TypeError) : |
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| 260 | try : |
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| 261 | return text.encode("UTF-8") |
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| 262 | except (UnicodeError, TypeError, AttributeError) : |
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| 263 | pass |
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[2804] | 264 | return text |
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| 265 | |
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[2657] | 266 | def display(self, message) : |
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| 267 | """Display a message but only if stdout is a tty.""" |
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| 268 | if sys.stdout.isatty() : |
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| 269 | sys.stdout.write(message) |
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| 270 | sys.stdout.flush() |
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| 271 | |
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[1130] | 272 | def logdebug(self, message) : |
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| 273 | """Logs something to debug output if debug is enabled.""" |
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| 274 | if self.debug : |
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| 275 | self.logger.log_message(message, "debug") |
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[1582] | 276 | |
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[1584] | 277 | def printInfo(self, message, level="info") : |
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[1582] | 278 | """Sends a message to standard error.""" |
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[1584] | 279 | sys.stderr.write("%s: %s\n" % (level.upper(), message)) |
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[1582] | 280 | sys.stderr.flush() |
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[1130] | 281 | |
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[2210] | 282 | def matchString(self, s, patterns) : |
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[2650] | 283 | """Returns True if the string s matches one of the patterns, else False.""" |
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| 284 | if not patterns : |
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| 285 | return True # No pattern, always matches. |
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| 286 | else : |
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| 287 | for pattern in patterns : |
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| 288 | if fnmatch.fnmatchcase(s, pattern) : |
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| 289 | return True |
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| 290 | return False |
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[2210] | 291 | |
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[2762] | 292 | def sanitizeNames(self, options, names) : |
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| 293 | """Ensures that an user can only see the datas he is allowed to see, by modifying the list of names.""" |
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| 294 | if not self.config.isAdmin : |
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| 295 | username = pwd.getpwuid(os.geteuid())[0] |
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| 296 | if not options["list"] : |
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| 297 | raise PyKotaCommandLineError, "%s : %s" % (username, _("You're not allowed to use this command.")) |
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| 298 | else : |
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| 299 | if options["groups"] : |
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| 300 | user = self.storage.getUser(username) |
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| 301 | if user.Exists : |
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| 302 | return [ g.Name for g in self.storage.getUserGroups(user) ] |
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| 303 | return [ username ] |
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| 304 | elif not names : |
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| 305 | return ["*"] |
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| 306 | else : |
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| 307 | return names |
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| 308 | |
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[715] | 309 | def display_version_and_quit(self) : |
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| 310 | """Displays version number, then exists successfully.""" |
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[1923] | 311 | try : |
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| 312 | self.clean() |
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| 313 | except AttributeError : |
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| 314 | pass |
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[2344] | 315 | print __version__ |
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[715] | 316 | sys.exit(0) |
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| 317 | |
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| 318 | def display_usage_and_quit(self) : |
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| 319 | """Displays command line usage, then exists successfully.""" |
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[1923] | 320 | try : |
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| 321 | self.clean() |
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| 322 | except AttributeError : |
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| 323 | pass |
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[2344] | 324 | print _(self.documentation) % globals() |
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| 325 | print __gplblurb__ |
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| 326 | print |
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| 327 | print _("Please report bugs to :"), __author__ |
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[715] | 328 | sys.exit(0) |
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| 329 | |
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[2229] | 330 | def crashed(self, message="Bug in PyKota") : |
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[1517] | 331 | """Outputs a crash message, and optionally sends it to software author.""" |
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[1546] | 332 | msg = crashed(message) |
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[2229] | 333 | fullmessage = "========== Traceback :\n\n%s\n\n========== sys.argv :\n\n%s\n\n========== Environment :\n\n%s\n" % \ |
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| 334 | (msg, \ |
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| 335 | "\n".join([" %s" % repr(a) for a in sys.argv]), \ |
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| 336 | "\n".join([" %s=%s" % (k, v) for (k, v) in os.environ.items()])) |
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[1541] | 337 | try : |
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| 338 | crashrecipient = self.config.getCrashRecipient() |
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| 339 | if crashrecipient : |
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[1517] | 340 | admin = self.config.getAdminMail("global") # Nice trick, isn't it ? |
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| 341 | server = smtplib.SMTP(self.smtpserver) |
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[2795] | 342 | msg = MIMEText(fullmessage, _charset=self.charset) |
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| 343 | msg["Subject"] = str(Header("PyKota v%s crash traceback !" \ |
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| 344 | % __version__, charset=self.charset)) |
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| 345 | msg["From"] = admin |
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| 346 | msg["To"] = crashrecipient |
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| 347 | msg["Cc"] = admin |
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| 348 | server.sendmail(admin, [admin, crashrecipient], msg.as_string()) |
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[1517] | 349 | server.quit() |
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[1541] | 350 | except : |
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| 351 | pass |
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[2229] | 352 | return fullmessage |
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[1517] | 353 | |
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[729] | 354 | def parseCommandline(self, argv, short, long, allownothing=0) : |
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[715] | 355 | """Parses the command line, controlling options.""" |
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| 356 | # split options in two lists: those which need an argument, those which don't need any |
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[2605] | 357 | short = "%sA:" % short |
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| 358 | long.append("arguments=") |
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[715] | 359 | withoutarg = [] |
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| 360 | witharg = [] |
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| 361 | lgs = len(short) |
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| 362 | i = 0 |
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| 363 | while i < lgs : |
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| 364 | ii = i + 1 |
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| 365 | if (ii < lgs) and (short[ii] == ':') : |
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| 366 | # needs an argument |
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| 367 | witharg.append(short[i]) |
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| 368 | ii = ii + 1 # skip the ':' |
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| 369 | else : |
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| 370 | # doesn't need an argument |
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| 371 | withoutarg.append(short[i]) |
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| 372 | i = ii |
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| 373 | |
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| 374 | for option in long : |
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| 375 | if option[-1] == '=' : |
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| 376 | # needs an argument |
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| 377 | witharg.append(option[:-1]) |
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| 378 | else : |
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| 379 | # doesn't need an argument |
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| 380 | withoutarg.append(option) |
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| 381 | |
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| 382 | # then we parse the command line |
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[2605] | 383 | done = 0 |
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| 384 | while not done : |
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| 385 | # we begin with all possible options unset |
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| 386 | parsed = {} |
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| 387 | for option in withoutarg + witharg : |
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| 388 | parsed[option] = None |
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| 389 | args = [] # to not break if something unexpected happened |
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| 390 | try : |
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| 391 | options, args = getopt.getopt(argv, short, long) |
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| 392 | if options : |
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| 393 | for (o, v) in options : |
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| 394 | # we skip the '-' chars |
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| 395 | lgo = len(o) |
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| 396 | i = 0 |
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| 397 | while (i < lgo) and (o[i] == '-') : |
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| 398 | i = i + 1 |
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| 399 | o = o[i:] |
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| 400 | if o in witharg : |
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| 401 | # needs an argument : set it |
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| 402 | parsed[o] = v |
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| 403 | elif o in withoutarg : |
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| 404 | # doesn't need an argument : boolean |
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| 405 | parsed[o] = 1 |
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| 406 | else : |
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| 407 | # should never occur |
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[2610] | 408 | raise PyKotaCommandLineError, "Unexpected problem when parsing command line" |
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[2605] | 409 | elif (not args) and (not allownothing) and sys.stdin.isatty() : # no option and no argument, we display help if we are a tty |
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| 410 | self.display_usage_and_quit() |
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| 411 | except getopt.error, msg : |
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[2610] | 412 | raise PyKotaCommandLineError, str(msg) |
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[2605] | 413 | else : |
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| 414 | if parsed["arguments"] or parsed["A"] : |
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| 415 | # arguments are in a file, we ignore all other arguments |
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| 416 | # and reset the list of arguments to the lines read from |
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| 417 | # the file. |
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| 418 | argsfile = open(parsed["arguments"] or parsed["A"], "r") |
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| 419 | argv = [ l.strip() for l in argsfile.readlines() ] |
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| 420 | argsfile.close() |
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| 421 | for i in range(len(argv)) : |
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| 422 | argi = argv[i] |
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| 423 | if argi.startswith('"') and argi.endswith('"') : |
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| 424 | argv[i] = argi[1:-1] |
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| 425 | else : |
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| 426 | done = 1 |
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[715] | 427 | return (parsed, args) |
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| 428 | |
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[1911] | 429 | class PyKotaTool(Tool) : |
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| 430 | """Base class for all PyKota command line tools.""" |
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[2344] | 431 | def __init__(self, lang="", charset=None, doc="PyKota v%(__version__)s (c) %(__years__)s %(__author__)s") : |
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[1911] | 432 | """Initializes the command line tool and opens the database.""" |
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| 433 | Tool.__init__(self, lang, charset, doc) |
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[2210] | 434 | |
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| 435 | def deferredInit(self) : |
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| 436 | """Deferred initialization.""" |
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| 437 | Tool.deferredInit(self) |
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| 438 | self.storage = storage.openConnection(self) |
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| 439 | if self.config.isAdmin : # TODO : We don't know this before, fix this ! |
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| 440 | self.logdebug("Beware : running as a PyKota administrator !") |
---|
[2093] | 441 | else : |
---|
[2210] | 442 | self.logdebug("Don't Panic : running as a mere mortal !") |
---|
[1911] | 443 | |
---|
| 444 | def clean(self) : |
---|
| 445 | """Ensures that the database is closed.""" |
---|
| 446 | try : |
---|
| 447 | self.storage.close() |
---|
| 448 | except (TypeError, NameError, AttributeError) : |
---|
| 449 | pass |
---|
| 450 | |
---|
[764] | 451 | def isValidName(self, name) : |
---|
| 452 | """Checks if a user or printer name is valid.""" |
---|
[1725] | 453 | invalidchars = "/@?*,;&|" |
---|
[1637] | 454 | for c in list(invalidchars) : |
---|
[1593] | 455 | if c in name : |
---|
[1394] | 456 | return 0 |
---|
| 457 | return 1 |
---|
[764] | 458 | |
---|
[802] | 459 | def sendMessage(self, adminmail, touser, fullmessage) : |
---|
[695] | 460 | """Sends an email message containing headers to some user.""" |
---|
[1469] | 461 | try : |
---|
| 462 | server = smtplib.SMTP(self.smtpserver) |
---|
| 463 | except socket.error, msg : |
---|
[1584] | 464 | self.printInfo(_("Impossible to connect to SMTP server : %s") % msg, "error") |
---|
[1469] | 465 | else : |
---|
| 466 | try : |
---|
[2795] | 467 | server.sendmail(adminmail, [touser], fullmessage) |
---|
[1469] | 468 | except smtplib.SMTPException, answer : |
---|
| 469 | for (k, v) in answer.recipients.items() : |
---|
[1584] | 470 | self.printInfo(_("Impossible to send mail to %s, error %s : %s") % (k, v[0], v[1]), "error") |
---|
[1469] | 471 | server.quit() |
---|
[695] | 472 | |
---|
[1079] | 473 | def sendMessageToUser(self, admin, adminmail, user, subject, message) : |
---|
[695] | 474 | """Sends an email message to a user.""" |
---|
[802] | 475 | message += _("\n\nPlease contact your system administrator :\n\n\t%s - <%s>\n") % (admin, adminmail) |
---|
[2795] | 476 | usermail = user.Email or user.Name |
---|
| 477 | if "@" not in usermail : |
---|
| 478 | usermail = "%s@%s" % (usermail, self.maildomain or self.smtpserver or "localhost") |
---|
| 479 | msg = MIMEText(message, _charset=self.charset) |
---|
| 480 | msg["Subject"] = str(Header(subject, charset=self.charset)) |
---|
| 481 | msg["From"] = adminmail |
---|
| 482 | msg["To"] = usermail |
---|
| 483 | self.sendMessage(adminmail, usermail, msg.as_string()) |
---|
[695] | 484 | |
---|
[802] | 485 | def sendMessageToAdmin(self, adminmail, subject, message) : |
---|
[695] | 486 | """Sends an email message to the Print Quota administrator.""" |
---|
[2795] | 487 | if "@" not in adminmail : |
---|
| 488 | adminmail = "%s@%s" % (adminmail, self.maildomain or self.smtpserver or "localhost") |
---|
| 489 | msg = MIMEText(message, _charset=self.charset) |
---|
| 490 | msg["Subject"] = str(Header(subject, charset=self.charset)) |
---|
| 491 | msg["From"] = adminmail |
---|
| 492 | msg["To"] = adminmail |
---|
| 493 | self.sendMessage(adminmail, adminmail, msg.as_string()) |
---|
[695] | 494 | |
---|
[1365] | 495 | def _checkUserPQuota(self, userpquota) : |
---|
| 496 | """Checks the user quota on a printer and deny or accept the job.""" |
---|
| 497 | # then we check the user's own quota |
---|
| 498 | # if we get there we are sure that policy is not EXTERNAL |
---|
| 499 | user = userpquota.User |
---|
| 500 | printer = userpquota.Printer |
---|
[1495] | 501 | enforcement = self.config.getPrinterEnforcement(printer.Name) |
---|
[1365] | 502 | self.logdebug("Checking user %s's quota on printer %s" % (user.Name, printer.Name)) |
---|
| 503 | (policy, dummy) = self.config.getPrinterPolicy(userpquota.Printer.Name) |
---|
| 504 | if not userpquota.Exists : |
---|
| 505 | # Unknown userquota |
---|
| 506 | if policy == "ALLOW" : |
---|
| 507 | action = "POLICY_ALLOW" |
---|
| 508 | else : |
---|
| 509 | action = "POLICY_DENY" |
---|
[1584] | 510 | self.printInfo(_("Unable to match user %s on printer %s, applying default policy (%s)") % (user.Name, printer.Name, action)) |
---|
[1365] | 511 | else : |
---|
| 512 | pagecounter = int(userpquota.PageCounter or 0) |
---|
[1495] | 513 | if enforcement == "STRICT" : |
---|
| 514 | pagecounter += self.softwareJobSize |
---|
[1365] | 515 | if userpquota.SoftLimit is not None : |
---|
| 516 | softlimit = int(userpquota.SoftLimit) |
---|
| 517 | if pagecounter < softlimit : |
---|
| 518 | action = "ALLOW" |
---|
| 519 | else : |
---|
| 520 | if userpquota.HardLimit is None : |
---|
| 521 | # only a soft limit, this is equivalent to having only a hard limit |
---|
| 522 | action = "DENY" |
---|
| 523 | else : |
---|
| 524 | hardlimit = int(userpquota.HardLimit) |
---|
| 525 | if softlimit <= pagecounter < hardlimit : |
---|
| 526 | now = DateTime.now() |
---|
| 527 | if userpquota.DateLimit is not None : |
---|
| 528 | datelimit = DateTime.ISO.ParseDateTime(userpquota.DateLimit) |
---|
| 529 | else : |
---|
| 530 | datelimit = now + self.config.getGraceDelay(printer.Name) |
---|
| 531 | userpquota.setDateLimit(datelimit) |
---|
| 532 | if now < datelimit : |
---|
| 533 | action = "WARN" |
---|
| 534 | else : |
---|
| 535 | action = "DENY" |
---|
| 536 | else : |
---|
| 537 | action = "DENY" |
---|
| 538 | else : |
---|
| 539 | if userpquota.HardLimit is not None : |
---|
| 540 | # no soft limit, only a hard one. |
---|
| 541 | hardlimit = int(userpquota.HardLimit) |
---|
| 542 | if pagecounter < hardlimit : |
---|
| 543 | action = "ALLOW" |
---|
| 544 | else : |
---|
| 545 | action = "DENY" |
---|
| 546 | else : |
---|
| 547 | # Both are unset, no quota, i.e. accounting only |
---|
| 548 | action = "ALLOW" |
---|
| 549 | return action |
---|
| 550 | |
---|
[1041] | 551 | def checkGroupPQuota(self, grouppquota) : |
---|
[927] | 552 | """Checks the group quota on a printer and deny or accept the job.""" |
---|
[1041] | 553 | group = grouppquota.Group |
---|
| 554 | printer = grouppquota.Printer |
---|
[1495] | 555 | enforcement = self.config.getPrinterEnforcement(printer.Name) |
---|
[1365] | 556 | self.logdebug("Checking group %s's quota on printer %s" % (group.Name, printer.Name)) |
---|
[1061] | 557 | if group.LimitBy and (group.LimitBy.lower() == "balance") : |
---|
[1666] | 558 | val = group.AccountBalance or 0.0 |
---|
[1495] | 559 | if enforcement == "STRICT" : |
---|
| 560 | val -= self.softwareJobPrice # use precomputed size. |
---|
[2692] | 561 | balancezero = self.config.getBalanceZero() |
---|
| 562 | if val <= balancezero : |
---|
[1041] | 563 | action = "DENY" |
---|
[1495] | 564 | elif val <= self.config.getPoorMan() : |
---|
[1077] | 565 | action = "WARN" |
---|
[927] | 566 | else : |
---|
[1041] | 567 | action = "ALLOW" |
---|
[2692] | 568 | if (enforcement == "STRICT") and (val == balancezero) : |
---|
[1529] | 569 | action = "WARN" # we can still print until account is 0 |
---|
[927] | 570 | else : |
---|
[1665] | 571 | val = grouppquota.PageCounter or 0 |
---|
[1495] | 572 | if enforcement == "STRICT" : |
---|
| 573 | val += self.softwareJobSize |
---|
[1041] | 574 | if grouppquota.SoftLimit is not None : |
---|
| 575 | softlimit = int(grouppquota.SoftLimit) |
---|
[1495] | 576 | if val < softlimit : |
---|
[1041] | 577 | action = "ALLOW" |
---|
[927] | 578 | else : |
---|
[1041] | 579 | if grouppquota.HardLimit is None : |
---|
| 580 | # only a soft limit, this is equivalent to having only a hard limit |
---|
| 581 | action = "DENY" |
---|
[927] | 582 | else : |
---|
[1041] | 583 | hardlimit = int(grouppquota.HardLimit) |
---|
[1495] | 584 | if softlimit <= val < hardlimit : |
---|
[1041] | 585 | now = DateTime.now() |
---|
| 586 | if grouppquota.DateLimit is not None : |
---|
| 587 | datelimit = DateTime.ISO.ParseDateTime(grouppquota.DateLimit) |
---|
| 588 | else : |
---|
| 589 | datelimit = now + self.config.getGraceDelay(printer.Name) |
---|
| 590 | grouppquota.setDateLimit(datelimit) |
---|
| 591 | if now < datelimit : |
---|
| 592 | action = "WARN" |
---|
| 593 | else : |
---|
[927] | 594 | action = "DENY" |
---|
[1041] | 595 | else : |
---|
[927] | 596 | action = "DENY" |
---|
[1041] | 597 | else : |
---|
| 598 | if grouppquota.HardLimit is not None : |
---|
| 599 | # no soft limit, only a hard one. |
---|
| 600 | hardlimit = int(grouppquota.HardLimit) |
---|
[1495] | 601 | if val < hardlimit : |
---|
[927] | 602 | action = "ALLOW" |
---|
[1041] | 603 | else : |
---|
| 604 | action = "DENY" |
---|
| 605 | else : |
---|
| 606 | # Both are unset, no quota, i.e. accounting only |
---|
| 607 | action = "ALLOW" |
---|
[927] | 608 | return action |
---|
| 609 | |
---|
[1041] | 610 | def checkUserPQuota(self, userpquota) : |
---|
[1365] | 611 | """Checks the user quota on a printer and all its parents and deny or accept the job.""" |
---|
[1041] | 612 | user = userpquota.User |
---|
| 613 | printer = userpquota.Printer |
---|
| 614 | |
---|
[1365] | 615 | # indicates that a warning needs to be sent |
---|
| 616 | warned = 0 |
---|
| 617 | |
---|
[927] | 618 | # first we check any group the user is a member of |
---|
[1041] | 619 | for group in self.storage.getUserGroups(user) : |
---|
[2452] | 620 | # No need to check anything if the group is in noquota mode |
---|
| 621 | if group.LimitBy != "noquota" : |
---|
| 622 | grouppquota = self.storage.getGroupPQuota(group, printer) |
---|
| 623 | # for the printer and all its parents |
---|
| 624 | for gpquota in [ grouppquota ] + grouppquota.ParentPrintersGroupPQuota : |
---|
| 625 | if gpquota.Exists : |
---|
| 626 | action = self.checkGroupPQuota(gpquota) |
---|
| 627 | if action == "DENY" : |
---|
| 628 | return action |
---|
| 629 | elif action == "WARN" : |
---|
| 630 | warned = 1 |
---|
[1365] | 631 | |
---|
| 632 | # Then we check the user's account balance |
---|
[1152] | 633 | # if we get there we are sure that policy is not EXTERNAL |
---|
| 634 | (policy, dummy) = self.config.getPrinterPolicy(printer.Name) |
---|
[1061] | 635 | if user.LimitBy and (user.LimitBy.lower() == "balance") : |
---|
[1365] | 636 | self.logdebug("Checking account balance for user %s" % user.Name) |
---|
[1041] | 637 | if user.AccountBalance is None : |
---|
[956] | 638 | if policy == "ALLOW" : |
---|
[925] | 639 | action = "POLICY_ALLOW" |
---|
| 640 | else : |
---|
| 641 | action = "POLICY_DENY" |
---|
[1584] | 642 | self.printInfo(_("Unable to find user %s's account balance, applying default policy (%s) for printer %s") % (user.Name, action, printer.Name)) |
---|
[1365] | 643 | return action |
---|
[713] | 644 | else : |
---|
[2054] | 645 | if user.OverCharge == 0.0 : |
---|
| 646 | self.printInfo(_("User %s will not be charged for printing.") % user.Name) |
---|
| 647 | action = "ALLOW" |
---|
[1529] | 648 | else : |
---|
[2054] | 649 | val = float(user.AccountBalance or 0.0) |
---|
| 650 | enforcement = self.config.getPrinterEnforcement(printer.Name) |
---|
| 651 | if enforcement == "STRICT" : |
---|
| 652 | val -= self.softwareJobPrice # use precomputed size. |
---|
[2692] | 653 | balancezero = self.config.getBalanceZero() |
---|
| 654 | if val <= balancezero : |
---|
[2054] | 655 | action = "DENY" |
---|
| 656 | elif val <= self.config.getPoorMan() : |
---|
| 657 | action = "WARN" |
---|
| 658 | else : |
---|
| 659 | action = "ALLOW" |
---|
[2692] | 660 | if (enforcement == "STRICT") and (val == balancezero) : |
---|
[2054] | 661 | action = "WARN" # we can still print until account is 0 |
---|
[1529] | 662 | return action |
---|
[925] | 663 | else : |
---|
[1365] | 664 | # Then check the user quota on current printer and all its parents. |
---|
| 665 | policyallowed = 0 |
---|
| 666 | for upquota in [ userpquota ] + userpquota.ParentPrintersUserPQuota : |
---|
| 667 | action = self._checkUserPQuota(upquota) |
---|
| 668 | if action in ("DENY", "POLICY_DENY") : |
---|
| 669 | return action |
---|
| 670 | elif action == "WARN" : |
---|
| 671 | warned = 1 |
---|
| 672 | elif action == "POLICY_ALLOW" : |
---|
| 673 | policyallowed = 1 |
---|
| 674 | if warned : |
---|
| 675 | return "WARN" |
---|
| 676 | elif policyallowed : |
---|
| 677 | return "POLICY_ALLOW" |
---|
[925] | 678 | else : |
---|
[1365] | 679 | return "ALLOW" |
---|
| 680 | |
---|
[1196] | 681 | def externalMailTo(self, cmd, action, user, printer, message) : |
---|
[1192] | 682 | """Warns the user with an external command.""" |
---|
| 683 | username = user.Name |
---|
[1196] | 684 | printername = printer.Name |
---|
[1192] | 685 | email = user.Email or user.Name |
---|
| 686 | if "@" not in email : |
---|
[1353] | 687 | email = "%s@%s" % (email, self.maildomain or self.smtpserver) |
---|
[1192] | 688 | os.system(cmd % locals()) |
---|
| 689 | |
---|
[1196] | 690 | def formatCommandLine(self, cmd, user, printer) : |
---|
| 691 | """Executes an external command.""" |
---|
| 692 | username = user.Name |
---|
| 693 | printername = printer.Name |
---|
| 694 | return cmd % locals() |
---|
| 695 | |
---|
[1041] | 696 | def warnGroupPQuota(self, grouppquota) : |
---|
[927] | 697 | """Checks a group quota and send messages if quota is exceeded on current printer.""" |
---|
[1041] | 698 | group = grouppquota.Group |
---|
| 699 | printer = grouppquota.Printer |
---|
| 700 | admin = self.config.getAdmin(printer.Name) |
---|
| 701 | adminmail = self.config.getAdminMail(printer.Name) |
---|
[1192] | 702 | (mailto, arguments) = self.config.getMailTo(printer.Name) |
---|
[2547] | 703 | if group.LimitBy in ("noquota", "nochange") : |
---|
| 704 | action = "ALLOW" |
---|
| 705 | else : |
---|
| 706 | action = self.checkGroupPQuota(grouppquota) |
---|
| 707 | if action.startswith("POLICY_") : |
---|
| 708 | action = action[7:] |
---|
| 709 | if action == "DENY" : |
---|
| 710 | adminmessage = _("Print Quota exceeded for group %s on printer %s") % (group.Name, printer.Name) |
---|
| 711 | self.printInfo(adminmessage) |
---|
| 712 | if mailto in [ "BOTH", "ADMIN" ] : |
---|
| 713 | self.sendMessageToAdmin(adminmail, _("Print Quota"), adminmessage) |
---|
| 714 | if mailto in [ "BOTH", "USER", "EXTERNAL" ] : |
---|
| 715 | for user in self.storage.getGroupMembers(group) : |
---|
| 716 | if mailto != "EXTERNAL" : |
---|
| 717 | self.sendMessageToUser(admin, adminmail, user, _("Print Quota Exceeded"), self.config.getHardWarn(printer.Name)) |
---|
| 718 | else : |
---|
| 719 | self.externalMailTo(arguments, action, user, printer, self.config.getHardWarn(printer.Name)) |
---|
| 720 | elif action == "WARN" : |
---|
| 721 | adminmessage = _("Print Quota low for group %s on printer %s") % (group.Name, printer.Name) |
---|
| 722 | self.printInfo(adminmessage) |
---|
| 723 | if mailto in [ "BOTH", "ADMIN" ] : |
---|
| 724 | self.sendMessageToAdmin(adminmail, _("Print Quota"), adminmessage) |
---|
| 725 | if group.LimitBy and (group.LimitBy.lower() == "balance") : |
---|
| 726 | message = self.config.getPoorWarn() |
---|
| 727 | else : |
---|
| 728 | message = self.config.getSoftWarn(printer.Name) |
---|
| 729 | if mailto in [ "BOTH", "USER", "EXTERNAL" ] : |
---|
| 730 | for user in self.storage.getGroupMembers(group) : |
---|
| 731 | if mailto != "EXTERNAL" : |
---|
| 732 | self.sendMessageToUser(admin, adminmail, user, _("Print Quota Exceeded"), message) |
---|
| 733 | else : |
---|
| 734 | self.externalMailTo(arguments, action, user, printer, message) |
---|
[927] | 735 | return action |
---|
[728] | 736 | |
---|
[1041] | 737 | def warnUserPQuota(self, userpquota) : |
---|
[728] | 738 | """Checks a user quota and send him a message if quota is exceeded on current printer.""" |
---|
[1041] | 739 | user = userpquota.User |
---|
[1245] | 740 | printer = userpquota.Printer |
---|
| 741 | admin = self.config.getAdmin(printer.Name) |
---|
| 742 | adminmail = self.config.getAdminMail(printer.Name) |
---|
| 743 | (mailto, arguments) = self.config.getMailTo(printer.Name) |
---|
[2547] | 744 | |
---|
| 745 | if user.LimitBy in ("noquota", "nochange") : |
---|
| 746 | action = "ALLOW" |
---|
| 747 | elif user.LimitBy == "noprint" : |
---|
| 748 | action = "DENY" |
---|
[2558] | 749 | message = _("User %s is not allowed to print at this time.") % user.Name |
---|
| 750 | self.printInfo(message) |
---|
[1245] | 751 | if mailto in [ "BOTH", "USER", "EXTERNAL" ] : |
---|
| 752 | if mailto != "EXTERNAL" : |
---|
[2547] | 753 | self.sendMessageToUser(admin, adminmail, user, _("Printing denied."), message) |
---|
[1245] | 754 | else : |
---|
| 755 | self.externalMailTo(arguments, action, user, printer, message) |
---|
| 756 | if mailto in [ "BOTH", "ADMIN" ] : |
---|
[2547] | 757 | self.sendMessageToAdmin(adminmail, _("Print Quota"), message) |
---|
| 758 | else : |
---|
| 759 | action = self.checkUserPQuota(userpquota) |
---|
| 760 | if action.startswith("POLICY_") : |
---|
| 761 | action = action[7:] |
---|
| 762 | |
---|
| 763 | if action == "DENY" : |
---|
| 764 | adminmessage = _("Print Quota exceeded for user %s on printer %s") % (user.Name, printer.Name) |
---|
| 765 | self.printInfo(adminmessage) |
---|
| 766 | if mailto in [ "BOTH", "USER", "EXTERNAL" ] : |
---|
| 767 | message = self.config.getHardWarn(printer.Name) |
---|
| 768 | if mailto != "EXTERNAL" : |
---|
| 769 | self.sendMessageToUser(admin, adminmail, user, _("Print Quota Exceeded"), message) |
---|
| 770 | else : |
---|
| 771 | self.externalMailTo(arguments, action, user, printer, message) |
---|
| 772 | if mailto in [ "BOTH", "ADMIN" ] : |
---|
| 773 | self.sendMessageToAdmin(adminmail, _("Print Quota"), adminmessage) |
---|
| 774 | elif action == "WARN" : |
---|
| 775 | adminmessage = _("Print Quota low for user %s on printer %s") % (user.Name, printer.Name) |
---|
| 776 | self.printInfo(adminmessage) |
---|
| 777 | if mailto in [ "BOTH", "USER", "EXTERNAL" ] : |
---|
| 778 | if user.LimitBy and (user.LimitBy.lower() == "balance") : |
---|
| 779 | message = self.config.getPoorWarn() |
---|
| 780 | else : |
---|
| 781 | message = self.config.getSoftWarn(printer.Name) |
---|
| 782 | if mailto != "EXTERNAL" : |
---|
| 783 | self.sendMessageToUser(admin, adminmail, user, _("Print Quota Low"), message) |
---|
| 784 | else : |
---|
| 785 | self.externalMailTo(arguments, action, user, printer, message) |
---|
| 786 | if mailto in [ "BOTH", "ADMIN" ] : |
---|
| 787 | self.sendMessageToAdmin(adminmail, _("Print Quota"), adminmessage) |
---|
[1245] | 788 | return action |
---|
[1196] | 789 | |
---|