[695] | 1 | #! /usr/bin/env python |
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| 2 | |
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| 3 | # PyKota - Print Quotas for CUPS |
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| 4 | # |
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| 5 | # (c) 2003 Jerome Alet <alet@librelogiciel.com> |
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| 6 | # You're welcome to redistribute this software under the |
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| 7 | # terms of the GNU General Public Licence version 2.0 |
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| 8 | # or, at your option, any higher version. |
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| 9 | # |
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| 10 | # You can read the complete GNU GPL in the file COPYING |
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| 11 | # which should come along with this software, or visit |
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| 12 | # the Free Software Foundation's WEB site http://www.fsf.org |
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| 13 | # |
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| 14 | # $Id$ |
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| 15 | # |
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| 16 | # $Log$ |
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| 17 | # Revision 1.1 2003/02/05 21:28:17 jalet |
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| 18 | # Initial import into CVS |
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| 19 | # |
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| 20 | # |
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| 21 | # |
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| 22 | |
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| 23 | import sys |
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| 24 | import os |
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| 25 | import smtplib |
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| 26 | |
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| 27 | from pykota import config |
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| 28 | from pykota import storage |
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| 29 | from pykota import logger |
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| 30 | |
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| 31 | class PyKotaToolError(Exception): |
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| 32 | """An exception for PyKota config related stuff.""" |
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| 33 | def __init__(self, message = ""): |
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| 34 | self.message = message |
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| 35 | Exception.__init__(self, message) |
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| 36 | def __repr__(self): |
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| 37 | return self.message |
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| 38 | __str__ = __repr__ |
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| 39 | |
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| 40 | class PyKotaTool : |
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| 41 | """Base class for all PyKota command line tools.""" |
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| 42 | def __init__(self, isfilter=0) : |
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| 43 | """Initializes the command line tool.""" |
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| 44 | self.config = config.PyKotaConfig(os.environ.get("CUPS_SERVERROOT", "/etc/cups")) |
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| 45 | self.logger = logger.Logger(self.config) |
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| 46 | self.storage = storage.openConnection(self.config, asadmin=(not isfilter)) |
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| 47 | self.printername = os.environ.get("PRINTER", None) |
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| 48 | self.printerhostname = self.getPrinterHostname() |
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| 49 | self.smtpserver = self.config.getSMTPServer() |
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| 50 | self.admin = self.config.getAdmin() |
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| 51 | self.adminmail = self.config.getAdminMail() |
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| 52 | |
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| 53 | def sendMessage(self, touser, fullmessage) : |
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| 54 | """Sends an email message containing headers to some user.""" |
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| 55 | fullmessage += "\n\nPlease contact your system administrator %s - <%s>\n" % (self.admin, self.adminmail) |
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| 56 | if "@" not in touser : |
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| 57 | touser = "%s@%s" % (touser, self.smtpserver) |
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| 58 | server = smtplib.SMTP(self.smtpserver) |
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| 59 | server.sendmail(self.adminmail, [touser], fullmessage) |
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| 60 | server.quit() |
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| 61 | |
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| 62 | def sendMessageToUser(self, username, subject, message) : |
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| 63 | """Sends an email message to a user.""" |
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| 64 | self.sendMessage(username, "Subject: %s\n\n%s" % (subject, message)) |
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| 65 | |
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| 66 | def sendMessageToAdmin(self, subject, message) : |
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| 67 | """Sends an email message to the Print Quota administrator.""" |
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| 68 | self.sendMessage(self.adminmail, "Subject: %s\n\n%s" % (subject, message)) |
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| 69 | |
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| 70 | def getPrinterHostname(self) : |
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| 71 | """Returns the printer hostname.""" |
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| 72 | device_uri = os.environ.get("DEVICE_URI", "") |
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| 73 | # TODO : check this for more complex urls than ipp://myprinter.dot.com:631/printers/lp |
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| 74 | try : |
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| 75 | (backend, destination) = device_uri.split(":", 1) |
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| 76 | except ValueError : |
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| 77 | raise PyKotaToolError, "Invalid DEVICE_URI : %s\n" % device_uri |
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| 78 | while destination.startswith("/") : |
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| 79 | destination = destination[1:] |
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| 80 | return destination.split("/")[0].split(":")[0] |
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| 81 | |
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| 82 | def warnQuotaPrinter(self, username) : |
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| 83 | """Checks a user quota and send him a message if quota is exceeded on current printer.""" |
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| 84 | (action, grace, gracedate) = self.storage.checkUserPQuota(username, self.printername) |
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| 85 | if action == "DENY" : |
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| 86 | adminmessage = "Print Quota exceeded for user %s on printer %s" % (username, self.printername) |
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| 87 | self.logger.log_message(adminmessage) |
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| 88 | self.sendMessageToUser(username, "Print Quota Exceeded", "You are not allowed to print anymore because your Print Quota is exceeded.") |
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| 89 | self.sendMessageToAdmin("Print Quota", adminmessage) |
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| 90 | elif action == "WARN" : |
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| 91 | adminmessage = "Print Quota soft limit exceeded for user %s on printer %s" % (username, self.printername) |
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| 92 | self.logger.log_message(adminmessage) |
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| 93 | self.sendMessageToUser(username, "Print Quota Exceeded", "You will soon be forbidden to print anymore because your Print Quota is almost reached.") |
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| 94 | self.sendMessageToAdmin("Print Quota", adminmessage) |
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| 95 | return action |
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| 96 | |
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