1 | # PyKota |
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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 1.4 2003/02/05 23:02:10 jalet |
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18 | # Typo |
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19 | # |
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20 | # Revision 1.3 2003/02/05 23:00:12 jalet |
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21 | # Forgotten import |
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22 | # Bad datetime conversion |
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23 | # |
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24 | # Revision 1.2 2003/02/05 22:28:38 jalet |
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25 | # More robust storage |
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26 | # |
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27 | # Revision 1.1 2003/02/05 21:28:17 jalet |
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28 | # Initial import into CVS |
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29 | # |
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30 | # |
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31 | # |
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32 | |
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33 | from mx import DateTime |
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34 | |
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35 | class SQLStorage : |
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36 | def getUserId(self, username) : |
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37 | result = self.doQuery("SELECT id FROM users WHERE username=%s;" % self.doQuote(username)) |
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38 | try : |
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39 | return self.doParseResult(result)[0]["id"] |
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40 | except TypeError : # Not found |
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41 | return |
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42 | |
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43 | def getPrinterId(self, printername) : |
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44 | result = self.doQuery("SELECT id FROM printers WHERE printername=%s;" % self.doQuote(printername)) |
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45 | try : |
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46 | return self.doParseResult(result)[0]["id"] |
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47 | except TypeError : # Not found |
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48 | return |
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49 | |
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50 | def getPrinterPageCounter(self, printername) : |
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51 | result = self.doQuery("SELECT pagecounter, lastusername FROM printers WHERE printername=%s;" % self.doQuote(printername)) |
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52 | try : |
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53 | return self.doParseResult(result)[0] |
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54 | except TypeError : # Not found |
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55 | return |
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56 | |
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57 | def updatePrinterPageCounter(self, printername, username, pagecount) : |
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58 | return self.doQuery("UPDATE printers SET pagecounter=%s, lastusername=%s WHERE printername=%s;" % (self.doQuote(pagecount), self.doQuote(username), self.doQuote(printername))) |
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59 | |
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60 | def addUserPQuota(self, username, printername) : |
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61 | printerid = self.getPrinterId(printername) |
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62 | if printerid is None : |
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63 | self.doQuery("INSERT INTO printers (printername) VALUES (%s);" % self.doQuote(printername)) |
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64 | printerid = self.getPrinterId(printername) |
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65 | userid = self.getUserId(username) |
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66 | if userid is None : |
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67 | self.doQuery("INSERT INTO users (username) VALUES (%s);" % self.doQuote(username)) |
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68 | userid = self.getUserId(username) |
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69 | if (printerid is not None) and (userid is not None) : |
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70 | return self.doQuery("INSERT INTO userpquota (userid, printerid) VALUES (%s, %s);" % (self.doQuote(userid), self.doQuote(printerid))) |
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71 | |
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72 | def getUserPQuota(self, username, printername) : |
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73 | result = self.doQuery("SELECT pagecounter, softlimit, hardlimit, datelimit FROM userpquota WHERE userid=%s AND printerid=%s;" % (self.doQuote(self.getUserId(username)), self.doQuote(self.getPrinterId(printername)))) |
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74 | try : |
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75 | return self.doParseResult(result)[0] |
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76 | except TypeError : # Not found |
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77 | return |
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78 | |
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79 | def setUserPQuota(self, username, printername, softlimit, hardlimit) : |
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80 | self.doQuery("UPDATE userpquota SET softlimit=%s, hardlimit=%s, datelimit=NULL WHERE userid=%s AND printerid=%s;" % (self.doQuote(softlimit), self.doQuote(hardlimit), self.doQuote(self.getUserId(username)), self.doQuote(self.getPrinterId(printername)))) |
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81 | |
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82 | def updateUserPQuota(self, username, printername, pagecount) : |
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83 | self.doQuery("UPDATE userpquota SET pagecounter=pagecounter+(%s) WHERE userid=%s AND printerid=%s;" % (self.doQuote(pagecount), self.doQuote(self.getUserId(username)), self.doQuote(self.getPrinterId(printername)))) |
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84 | |
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85 | def buyUserPQuota(self, username, printername, pagebought) : |
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86 | self.updateUserPQuota(username, printername, -pagebought) |
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87 | |
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88 | def checkUserPQuota(self, username, printername) : |
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89 | # TODO : this doesn't work as expected wrt dates |
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90 | # TODO : GRACEDELAY should come from the configuration file |
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91 | # TODO : move this into the PyKotaTool class |
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92 | now = DateTime.now() |
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93 | quota = self.getUserPQuota(username, printername) |
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94 | pagecounter = quota["pagecounter"] |
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95 | softlimit = quota["softlimit"] |
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96 | hardlimit = quota["hardlimit"] |
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97 | datelimit = quota["datelimit"] |
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98 | if datelimit : |
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99 | datelimit = DateTime.DateTime(datelimit) # TODO : check this ! |
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100 | if softlimit is not None : |
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101 | if pagecounter < softlimit : |
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102 | action = "ALLOW" |
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103 | elif hardlimit is not None : |
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104 | if softlimit <= pagecounter < hardlimit : |
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105 | if datelimit is None : |
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106 | self.doQuery("UPDATE userpquota SET datelimit=%s::DATETIME WHERE userid=%s AND printerid=%s;" % (self.doQuote("%04i-%02i-%02i %02i:%02i" % (now.year, now.month, now.day, now.hour, now.minute)), self.doQuote(self.getUserId(username)), self.doQuote(self.getPrinterId(printername)))) |
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107 | datelimit = now |
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108 | if (now - datelimit) <= GRACEDELAY : |
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109 | action = "WARN" |
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110 | else : |
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111 | action = "DENY" |
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112 | else : |
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113 | action = "DENY" |
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114 | else : |
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115 | action = "DENY" |
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116 | else : |
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117 | action = "ALLOW" |
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118 | return (action, (hardlimit - pagecounter), datelimit) |
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119 | |
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