1 | #! /usr/bin/python |
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2 | # |
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3 | # itcprint.py |
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4 | # (c) 2007 George Farris <farrisg@shaw.ca> |
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5 | # |
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6 | # This program is free software; you can redistribute it and/or modify |
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7 | # it under the terms of the GNU General Public License as published by |
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8 | # the Free Software Foundation; either version 3 of the License, or |
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9 | # (at your option) any later version. |
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10 | # |
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11 | # This program is distributed in the hope that it will be useful, |
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12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | # GNU General Public License for more details. |
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15 | # |
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16 | # You should have received a copy of the GNU General Public License |
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17 | # along with this program; if not, write to the Free Software |
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18 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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19 | # |
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20 | |
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21 | |
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22 | # This documents and provides a demo of the protocol used to maniplulate |
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23 | # the ITC Print 2015 smart card reader, http://www.itcsystems.com/smart-card-stored.html |
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24 | # The 2015 is connected to the serial port of the PC to charge for things like |
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25 | # computer time usage, pay-for-print, cash registers sales, etc. |
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26 | # |
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27 | # The following description assumes that "Host" is the PC and Reader is the 2015 |
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28 | # |
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29 | # ----------------------------------------------------------------------------------------------------- |
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30 | # Poll card reader for indication of card insertion |
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31 | # ----------------------------------------------------------------------------------------------------- |
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32 | # Transmit from Host |
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33 | # Char line : <STX><NUL><SOH><SOH><ETX><NUL><BEL><EOT> |
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34 | # Hex translation: 0x02 0x00 0x01 0x01 0x03 0x00 0x07 0x04 |
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35 | # Receive from Reader |
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36 | # No card inserted |
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37 | # Char line : <STX><NUL><SOH>@<ETX><NUL>F<EOT> |
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38 | # Hex translation: 0x02 0x00 0x01 0x40 0x03 0x00 0x46 0x04 |
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39 | # Card Inserted |
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40 | # Char line : <STX><NUL><SOH>@<ETX><NUL>F<EOT> |
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41 | # Hex translation: 0x02 0x00 0x01 0x40 0x03 0x00 0x46 0x04 |
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42 | # ===================================================================================================== |
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43 | |
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44 | |
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45 | # ----------------------------------------------------------------------------------------------------- |
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46 | # Request current dollar(1) value stored on card |
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47 | # ----------------------------------------------------------------------------------------------------- |
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48 | # Transmit from Host |
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49 | # Char line : <STX><NUL><SOH>!<ETX><NUL>'<EOT> |
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50 | # Hex translation: 0x02 0x00 0x01 0x21 0x03 0x00 0x27 0x04 |
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51 | # Receive from Reader |
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52 | # Char line : <STX><NUL><SOH><NUL><NUL><NUL><NUL><NUL><NUL><DLE>h<SOH><ETX><NUL><DEL><EOT> |
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53 | # Hex translation: 0x02 0x00 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x10 0x68 0x01 0x03 0x00 0x7F 0x04 |
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54 | # [ Dollar value in this case 0x10 0x68 ] |
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55 | # [ 0x1068 = 4200 = $4.20 ] |
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56 | # [______________________________________] |
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57 | # ===================================================================================================== |
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58 | |
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59 | |
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60 | # ----------------------------------------------------------------------------------------------------- |
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61 | # Update Reader with new dollar value - must be less than what is stored on card |
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62 | # ----------------------------------------------------------------------------------------------------- |
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63 | # Transmit from Host |
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64 | # Char line : <STX><NUL><SOH>$<NUL><NUL><NUL><NUL><NUL><NUL><DLE><EOT><SOH><ETX><NUL>?<FF> |
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65 | # Hex translation: 0x02 0x00 0x01 0x24 0x00 0x00 0x00 0x00 0x00 0x00 0x10 0x04 0x01 0x03 0x00 0x3F 0x0C |
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66 | # [ Dollar value in this case 0x10 0x04 ] |
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67 | # [ 0x1004 = 4100 = $4.10 ] |
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68 | # [______________________________________] |
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69 | # |
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70 | # Receive from successful transaction from Reader |
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71 | # Char line : <STX><NUL><SOH><SYN><ETX><NUL><FS><BS> |
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72 | # Hex translation: 0x02 0x00 0x01 0x16 0x03 0x00 0x1C 0x08 |
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73 | # ===================================================================================================== |
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74 | |
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75 | |
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76 | # ----------------------------------------------------------------------------------------------------- |
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77 | # Eject card from Reader |
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78 | # ----------------------------------------------------------------------------------------------------- |
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79 | # Transmit from Host |
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80 | # Char line : <STX><NUL><SOH><SPACE><ETX><NUL>&<EOT> |
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81 | # Hex translation: 0x02 0x00 0x01 0x20 0x03 0x00 0x26 0x04 |
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82 | # Receive from Reader |
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83 | # Char line : <STX><NUL><SOH><SYN><ETX><NUL><FS><BS> |
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84 | # Hex translation: 0x02 0x00 0x01 0x16 0x03 0x00 0x1C 0x08 |
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85 | # ===================================================================================================== |
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86 | |
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87 | # (1) Currency can be set from the card reader keypad |
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88 | |
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89 | import sys, os, serial, string, binascii, time |
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90 | import gtk, gtk.glade, gobject, pg |
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91 | |
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92 | # Database server settings |
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93 | HOST = 'localhost' |
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94 | PORT = 5432 |
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95 | DBNAME = 'pykota' |
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96 | USER = 'pykotaadmin' |
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97 | PASS = 'secret' |
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98 | |
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99 | |
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100 | |
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101 | class gui: |
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102 | def __init__(self): |
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103 | self.cardstate = 0 # 0 not inserted, 1 inserted |
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104 | |
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105 | self.gladefile = "itcprint.glade" |
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106 | self.xml = gtk.glade.XML(self.gladefile) |
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107 | |
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108 | self.window = self.xml.get_widget("MainWindow") |
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109 | self.utext = self.xml.get_widget("UsernameEntry") |
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110 | self.cardlabel = self.xml.get_widget("CardBalanceLabel") |
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111 | self.printlabel = self.xml.get_widget("PrintBalanceLabel") |
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112 | self.spinbutton = self.xml.get_widget("Spinbutton") |
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113 | |
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114 | self.cardlabel.set_label('<big><b>unknown</b></big>') |
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115 | self.printlabel.set_label('<big><b>unknown</b></big>') |
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116 | |
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117 | self.cardbalance = '' |
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118 | self.username = '' |
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119 | self.addbalance = '' |
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120 | self.pykotauid = '' |
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121 | self.pykotabalance = 0.0 |
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122 | |
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123 | # TODO put try except around here |
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124 | #connect([dbname], [host], [port], [opt], [tty], [user], [passwd]) |
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125 | try: |
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126 | self.sql = pg.connect(dbname=DBNAME, host=HOST, port=PORT, user=USER, passwd=PASS) |
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127 | except: |
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128 | pass |
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129 | |
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130 | # query = self.sql.query("""SELECT printername FROM printers WHERE printername='cc200-LaserJet' """) |
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131 | #query = db.get(printers, "cc200-laserjet") |
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132 | # if len(query.getresult()) > 0: |
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133 | # d2 = query.dictresult() |
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134 | # print d2 #['username'] |
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135 | |
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136 | self.sc = smartcard(self.sql) |
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137 | |
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138 | #If you wanted to pass an argument, you would use a tuple like this: |
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139 | # dic = { "on button1_clicked" : (self.button1_clicked, arg1,arg2) } |
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140 | dic = { "on_TransferButton_clicked" : self.xferbutton_clicked, |
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141 | "on_GetbalanceButton_clicked" : self.getcardbalance_clicked, |
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142 | "on_EjectButton_clicked" : self.ejectbutton_clicked, |
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143 | "on_quit_activate" : (gtk.main_quit), |
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144 | "on_UsernameEntry_changed" : self.username_changed, |
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145 | "on_UsernameEntry_focus_out_event" : self.username_entered, |
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146 | "on_ItcPrint_destroy" : (gtk.main_quit) } |
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147 | |
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148 | self.xml.signal_autoconnect (dic) |
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149 | |
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150 | return |
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151 | |
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152 | # I might want to do username search as you type later |
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153 | def username_changed (self, widget): |
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154 | print "Text is now ->", self.utext.get_text() |
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155 | |
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156 | def username_entered (self, widget, event): |
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157 | self.username = self.utext.get_text() |
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158 | print "Username is ->", self.username |
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159 | # This is where we need to look up username in wbinfo |
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160 | |
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161 | try: |
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162 | query = self.sql.query("SELECT id FROM users WHERE username='%s'" % (self.username)) |
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163 | self.pykotauid = (query.dictresult()[0])['id'] |
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164 | print "User ID is ->", self.pykotauid |
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165 | except: |
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166 | print "Username is invalid" |
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167 | result = gtk.RESPONSE_CANCEL |
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168 | dlg = gtk.MessageDialog(None,gtk.DIALOG_MODAL | |
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169 | gtk.DIALOG_DESTROY_WITH_PARENT,gtk.MESSAGE_INFO, gtk.BUTTONS_CLOSE, |
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170 | "Your username is invalid or does not exist.\nPlease try re-entering it", ) |
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171 | result = dlg.run() |
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172 | dlg.destroy() |
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173 | try: |
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174 | query = self.sql.query("SELECT balance FROM users WHERE id='%s'" % (self.pykotauid)) |
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175 | self.pykotabalance = float((query.dictresult()[0])['balance']) |
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176 | self.printlabel.set_label("%s%.2f%s" % ("<big><b>$",self.pykotabalance,"</b></big>")) |
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177 | except: |
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178 | print "balance sql error..." |
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179 | try: |
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180 | query = self.sql.query("SELECT lifetimepaid FROM users WHERE id='%s'" % (self.pykotauid)) |
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181 | self.pykotalifebalance = float((query.dictresult()[0])['lifetimepaid']) |
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182 | print "%s%.2f" % ("$", self.pykotalifebalance) |
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183 | except: |
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184 | print "lifetimepaid sql error..." |
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185 | |
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186 | |
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187 | |
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188 | def xferbutton_clicked (self, widget): |
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189 | print "xfer button clicked...." |
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190 | self.addbalance = self.spinbutton.get_value() |
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191 | newbalance = self.addbalance + self.pykotabalance |
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192 | lifetimebalance = self.pykotalifebalance + self.addbalance |
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193 | self.sc.set_balance(newbalance, lifetimebalance, self.pykotauid) |
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194 | self.ejectbutton_clicked(None) |
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195 | |
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196 | def getcardbalance_clicked(self, widget): |
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197 | if self.sc.checkforcardready(): |
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198 | self.sc.waitforcardready() |
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199 | self.cardbalance = self.sc.get_balance() |
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200 | self.cardlabel.set_label("%s%.2f%s" % ("<big><b>$",self.cardbalance,"</b></big>")) |
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201 | self.cardstate = 1 |
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202 | self.source_id = gobject.timeout_add(2000, self.sc.inhibit_eject) |
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203 | self.spinbutton.set_range(0,float(self.cardbalance)) |
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204 | |
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205 | def ejectbutton_clicked(self, widget): |
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206 | # TODO put a pop dialog here |
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207 | self.sc.eject_card() |
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208 | self.cardlabel.set_label('<big><b>unknown</b></big>') |
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209 | self.printlabel.set_label('<big><b>unknown</b></big>') |
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210 | self.cardstate = 0 |
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211 | self.cardbalance = 0.0 |
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212 | self.username = '' |
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213 | self.utext.set_text('') |
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214 | self.addbalance = 0.0 |
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215 | self.pykotabalance = 0.0 |
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216 | self.pykotalifebalance = 0.0 |
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217 | self.spinbutton.set_range(0,0) |
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218 | |
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219 | # Is it possible this might not be set |
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220 | try: |
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221 | gobject.source_remove(self.source_id) |
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222 | except: |
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223 | pass |
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224 | |
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225 | |
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226 | |
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227 | class smartcard: |
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228 | def __init__(self, sql): |
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229 | self.ser = serial.Serial('/dev/ttyUSB0', 9600, timeout=1) |
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230 | self.scsql = sql |
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231 | |
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232 | # Need comms to contiune to keep card in machine. |
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233 | # This loop keeps the card in until it stops so basically the print |
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234 | # job can release the card after it is finished |
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235 | def checkforcardready(self): |
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236 | self.ser.write(binascii.a2b_hex("0200010103000704")) |
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237 | s = self.ser.read(8) |
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238 | |
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239 | if binascii.b2a_hex(s) == "0200014003004604": |
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240 | result = gtk.RESPONSE_CANCEL |
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241 | dlg = gtk.MessageDialog(None,gtk.DIALOG_MODAL | |
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242 | gtk.DIALOG_DESTROY_WITH_PARENT,gtk.MESSAGE_INFO, gtk.BUTTONS_OK_CANCEL, "Please insert your card...", ) |
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243 | result = dlg.run() |
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244 | if (result==gtk.RESPONSE_OK): |
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245 | dlg.destroy() |
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246 | return 1 |
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247 | else: |
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248 | dlg.destroy() |
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249 | return 0 |
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250 | if binascii.b2a_hex(s) == "0200016c0300721c": |
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251 | return 1 |
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252 | |
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253 | def waitforcardready(self): |
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254 | print " Waiting for card to be inserted..." |
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255 | self.ser.write(binascii.a2b_hex("0200010103000704")) |
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256 | s = self.ser.read(8) |
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257 | |
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258 | while binascii.b2a_hex(s) == "0200014003004604": |
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259 | #time.sleep(2) |
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260 | #print binascii.b2a_hex(s) |
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261 | self.ser.write(binascii.a2b_hex("0200010103000704")) |
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262 | #print "Tx -> 0200010103000704" |
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263 | s = self.ser.read(8) |
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264 | #print "Rx -> %s" % binascii.b2a_hex(s) |
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265 | |
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266 | if binascii.b2a_hex(s) == "0200016c0300721c": |
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267 | print " Card is inserted..." |
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268 | return 1 |
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269 | else: |
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270 | print " Card Error..." |
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271 | return 0 |
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272 | |
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273 | # Get current value from card |
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274 | def get_balance(self): |
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275 | self.ser.write(binascii.a2b_hex("0200012103002704")) |
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276 | s1 = self.ser.read(16) |
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277 | print " %s%.2f" % ("Card valued at -> $",float(string.atoi(binascii.b2a_hex(s1[3:11]), 16))/1000) |
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278 | return float(string.atoi(binascii.b2a_hex(s1[3:11]), 16))/1000 |
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279 | |
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280 | def set_balance(self, new, life, uid): |
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281 | #self.ser.write(binascii.a2b_hex("0200012400000000000010040103003F0C")) |
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282 | #s2 = self.ser.read(8) |
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283 | #print binascii.b2a_hex(s2) |
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284 | |
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285 | try: |
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286 | query = self.scsql.query("UPDATE users SET balance=%s, lifetimepaid=%s WHERE id='%s'" % |
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287 | (new, life, uid)) |
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288 | except: |
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289 | print "sql error..." |
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290 | result = gtk.RESPONSE_CANCEL |
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291 | dlg = gtk.MessageDialog(None,gtk.DIALOG_MODAL | |
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292 | gtk.DIALOG_DESTROY_WITH_PARENT,gtk.MESSAGE_INFO, gtk.BUTTONS_CLOSE, |
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293 | "An error was encountered while updating your record.\nPlease contact technical support.") |
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294 | result = dlg.run() |
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295 | dlg.destroy() |
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296 | |
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297 | """ |
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298 | def writeUserAccountBalance(self, user, newbalance, newlifetimepaid=None) : |
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299 | #Sets the new account balance and eventually new lifetime paid. |
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300 | if newlifetimepaid is not None : |
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301 | self.doModify("UPDATE users SET balance=%s, lifetimepaid=%s WHERE id=%s" % (self.doQuote(newbalance), self.doQuote(newlifetimepaid), self.doQuote(user.ident))) |
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302 | else : |
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303 | self.doModify("UPDATE users SET balance=%s WHERE id=%s" % (self.doQuote(newbalance), self.doQuote(user.ident))) |
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304 | |
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305 | def writeNewPayment(self, user, amount, comment="") : |
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306 | #Adds a new payment to the payments history. |
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307 | self.doModify("INSERT INTO payments (userid, amount, description) VALUES (%s, %s, %s)" % (self.doQuote(user.ident), self.doQuote(amount), self.doQuote(comment))) |
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308 | |
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309 | """ |
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310 | |
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311 | def eject_card(self): |
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312 | print " Ejecting card ..." |
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313 | self.ser.write(binascii.a2b_hex("0200012003002604")) |
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314 | s2 = self.ser.read(8) |
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315 | #print "Rx -> %s" % binascii.b2a_hex(s2) |
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316 | |
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317 | def inhibit_eject(self): |
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318 | self.ser.write(binascii.a2b_hex("0200010103000704")) |
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319 | s = self.ser.read(8) |
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320 | return True |
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321 | |
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322 | def close_port(self): |
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323 | self.ser.close() |
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324 | |
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325 | |
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326 | if __name__ == "__main__": |
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327 | hwg = gui() |
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328 | gtk.main() |
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329 | hwg.sql.close() |
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330 | print "Goodbye..." |
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