1 | #!/usr/bin/env python |
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2 | |
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3 | # Adapted from the Quickprint IPP server code (http://quikprint.mit.edu) |
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4 | # Modifications and additions written by Jessica Hamrick (jhamrick@mit.edu) |
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5 | |
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6 | # Notes and Todo: |
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7 | # - make sure package creates gutenbach folder in /var/log |
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8 | |
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9 | import os, sys |
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10 | import cgi, cgitb |
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11 | import logging |
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12 | import MySQLdb |
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13 | import ipplib |
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14 | |
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15 | from ipprequest import IPPRequest |
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16 | from tempfile import mkstemp |
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17 | from shutil import move |
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18 | from logging import debug, info, warning, error, critical |
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19 | |
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20 | # set up logging |
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21 | LOGFILE = "/var/log/gutenbach/ipp.log" |
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22 | logging.basicConfig(filename=LOGFILE, level=logging.DEBUG) |
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23 | cgitb.enable(logdir='/var/log/gutenbach/cgi.log') |
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24 | |
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25 | # make sure a temporary folder exists |
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26 | TEMPDIR = '/tmp/gutenbach/ipp' |
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27 | try: |
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28 | if not os.path.exists(TEMPDIR): |
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29 | info("Creating temporay directory '%s'" % TEMPDIR) |
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30 | os.makedirs(TEMPDIR) |
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31 | except e, Exception: |
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32 | error("Could not create temporary directory '%s'" % TEMPDIR) |
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33 | |
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34 | # print the content type for our request |
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35 | print "Content-type: application/ipp\n" |
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36 | |
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37 | class IPPServer(object): |
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38 | |
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39 | # nothing to do in the init |
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40 | def __init__(self): |
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41 | """ |
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42 | This function doesn't actually do anything. |
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43 | """ |
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44 | pass |
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45 | |
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46 | # this function processes an IPP request and sends a response |
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47 | def process(self, request_in, response_out): |
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48 | """ |
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49 | Processes an IPP request and sends a response. |
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50 | |
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51 | Arguments: |
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52 | |
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53 | request_in -- a file handle to read in the request |
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54 | |
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55 | request_out -- a file handle to print the response |
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56 | """ |
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57 | |
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58 | # parse the request from request_in |
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59 | request = IPPRequest(request=request_in) |
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60 | |
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61 | # create the response, copying the version, operation-id, and |
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62 | # request-id from the request |
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63 | response = IPPRequest(version=request.version, |
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64 | operation_id=request.operation_id, |
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65 | request_id=request.request_id) |
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66 | |
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67 | handler = getattr(self, "_operation_%d" % request.operation_id, None) |
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68 | |
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69 | response._operation_attributes = [[]] |
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70 | response._operation_attributes[0] = filter( \ |
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71 | lambda x: x[0] in ('attributes-charset', 'attributes-natural-language', 'printer-uri'), |
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72 | request._operation_attributes[0]) |
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73 | |
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74 | # f = file('/tmp/gutenbach/ipp/printer2.log','a') |
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75 | # f.write("\n" + "*"*80 + "\n") |
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76 | # f.write(str(request)) |
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77 | if handler is not None: |
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78 | response.setOperationId(handler(request, response)) |
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79 | data_out = response.dump() |
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80 | response_out.write(data_out) |
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81 | response_test = IPPRequest(data=data_out) |
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82 | response_test.parse() |
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83 | # f.write("\n" + "-"*80 + "\n") |
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84 | # f.write(str(response_test)) |
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85 | # f.write("\n" + "*"*80 + "\n") |
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86 | # f.close() |
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87 | |
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88 | def _operation_2(self, request, response): |
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89 | """print-job response""" |
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90 | (fno, fname) = mkstemp(dir='/tmp/gutenbach/ipp') |
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91 | os.write(fno, request.data) |
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92 | os.close(fno) |
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93 | opattr = filter(lambda x: x[0] in ('job-name'), |
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94 | request._operation_attributes[0]) |
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95 | jname = 'unknown' |
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96 | if len(opattr) and opattr[0][0] == 'job-name': |
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97 | jname = opattr[0][1][0][1] |
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98 | jstat = os.stat(fname) |
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99 | jsize = jstat.st_size |
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100 | c = db.cursor() |
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101 | c.execute("INSERT INTO job (juser, jname, jfile, jsize, jtype) VALUES (%s, %s, %s, %s, %s)", \ |
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102 | (AUTH, jname, fname, jsize, 'PostScript',)) |
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103 | jid = db.insert_id() |
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104 | jfile = '/mit/gutenbach/jobs/' + AUTH + '_' + str(jid) |
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105 | move(fname, jfile) |
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106 | c.execute("UPDATE job SET jfile=%s, dupdated=NOW() WHERE jid=%s", \ |
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107 | (jfile, str(jid),)) |
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108 | response._job_attributes = [[ \ |
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109 | ('job-id', [('integer', jid)]), \ |
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110 | ('printer-uri', [('uri', printer_uri)]), \ |
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111 | ('job-state', [('enum', ipplib.IPP_JOB_HELD)])]] |
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112 | return ipplib.IPP_OK |
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113 | |
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114 | def _operation_8(self, request, response): |
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115 | """delete-job response""" |
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116 | opattr = filter(lambda x: x[0] in ('job-id'), |
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117 | request._operation_attributes[0]) |
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118 | if len(opattr) and opattr[0][0] == 'job-id': |
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119 | jid = opattr[0][1][0][1] |
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120 | c = db.cursor() |
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121 | c.execute("UPDATE job SET jstate = 'DEL' WHERE juser = %s AND jid = %s", \ |
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122 | (AUTH, int(jid))) |
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123 | return ipplib.IPP_OK |
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124 | |
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125 | def _operation_9(self, request, response): |
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126 | """get-job-properties response""" |
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127 | opattr = filter(lambda x: x[0] in ('job-id'), |
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128 | request._operation_attributes[0]) |
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129 | if len(opattr) and opattr[0][0] == 'job-id': |
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130 | jid = opattr[0][1][0][1] |
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131 | response._job_attributes.append([ \ |
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132 | ('job-id', [('integer', jid)]), \ |
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133 | # ('job-name', [('nameWithoutLanguage', x[1])]), \ |
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134 | ('job-originating-user-name', [('nameWithoutLanguage', AUTH)]), \ |
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135 | # ('job-k-octets', [('integer', x[2]/1024)]), \ |
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136 | ('job-state', [('enum', ipplib.IPP_JOB_COMPLETE)]) |
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137 | ]) |
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138 | return ipplib.IPP_OK |
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139 | |
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140 | def _operation_10(self, request, response): |
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141 | """get-jobs response""" |
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142 | c = db.cursor() |
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143 | c.execute("SELECT jid, jname, jsize, jstate FROM job WHERE juser = %s AND jstate != %s ORDER BY dadded", \ |
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144 | (AUTH, 'DEL',)) |
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145 | response._job_attributes = [] |
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146 | for x in c.fetchall(): |
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147 | if x[3] == 'NEW': |
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148 | state = ipplib.IPP_JOB_HELD |
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149 | elif x[3] == 'DONE': |
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150 | state = ipplib.IPP_JOB_COMPLETE |
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151 | else: |
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152 | state = 0 |
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153 | response._job_attributes.append([ \ |
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154 | ('job-id', [('integer', x[0])]), \ |
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155 | ('job-name', [('nameWithoutLanguage', x[1])]), \ |
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156 | ('job-originating-user-name', [('nameWithoutLanguage', AUTH)]), \ |
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157 | ('job-k-octets', [('integer', x[2]/1024)]), \ |
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158 | ('job-state', [('enum', state)]) |
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159 | ]) |
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160 | return ipplib.IPP_OK |
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161 | |
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162 | def _operation_11(self, request, response): |
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163 | """get-printer-attributes response""" |
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164 | response._printer_attributes = \ |
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165 | [[('printer-name', [('nameWithoutLanguage', 'Gutenbach')])]] |
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166 | return ipplib.IPP_OK |
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167 | |
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168 | IPPServer().process(sys.stdin,sys.stdout) |
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