[2876403] | 1 | #!/usr/bin/env python |
---|
| 2 | |
---|
[efee0f1] | 3 | # Adapted from the Quickprint IPP server code (http://quickprint.mit.edu) |
---|
| 4 | # Modifications and additions written by Jessica Hamrick (jhamrick@mit.edu) |
---|
[2876403] | 5 | |
---|
[efee0f1] | 6 | # Notes and Todo: |
---|
| 7 | # - make sure package creates gutenbach folder in /var/log |
---|
| 8 | # - ok, so ipplib actually seems to be an unsupported library. |
---|
| 9 | # Maybe want to write this in perl instead since there is |
---|
| 10 | # Net::IPP::IPPRequest |
---|
[2876403] | 11 | |
---|
[efee0f1] | 12 | import os, sys |
---|
| 13 | import cgi, cgitb |
---|
| 14 | import logging |
---|
[2876403] | 15 | import MySQLdb |
---|
| 16 | import ipplib |
---|
| 17 | |
---|
[efee0f1] | 18 | from ipplib import IPPRequest |
---|
[2876403] | 19 | from tempfile import mkstemp |
---|
| 20 | from shutil import move |
---|
[efee0f1] | 21 | from logging import debug, info, warning, error, critical |
---|
| 22 | |
---|
| 23 | # set up logging |
---|
| 24 | LOGFILE = "/var/log/gutenbach/ipp.log" |
---|
| 25 | logging.basicConfig(filename=LOGFILE, level=logging.DEBUG) |
---|
| 26 | cgitb.enable(logdir='/var/log/gutenbach/cgi.log') |
---|
| 27 | |
---|
| 28 | # make sure a temporary folder exists |
---|
| 29 | TEMPDIR = '/tmp/gutenbach/ipp' |
---|
| 30 | try: |
---|
| 31 | if not os.path.exists(TEMPDIR): |
---|
| 32 | info("Creating temporay directory '%s'" % TEMPDIR) |
---|
| 33 | os.makedirs(TEMPDIR) |
---|
| 34 | except e, Exception: |
---|
| 35 | error("Could not create temporary directory '%s'" % TEMPDIR) |
---|
| 36 | |
---|
[2876403] | 37 | |
---|
| 38 | authfail = False |
---|
| 39 | try: |
---|
| 40 | printer_uri = 'http://%s%s' % (os.environ['SERVER_NAME'], os.environ['REQUEST_URI']) |
---|
| 41 | except: |
---|
| 42 | pass |
---|
[efee0f1] | 43 | |
---|
[2876403] | 44 | try: |
---|
| 45 | argv = cgi.parse(os.environ['QUERY_STRING']) |
---|
| 46 | webauth = argv['BASIC'] |
---|
| 47 | if type(webauth) is list: |
---|
| 48 | webauth = webauth[0] |
---|
| 49 | webauth = webauth.split(' ')[1] |
---|
| 50 | if not len(webauth): |
---|
| 51 | authfail = True |
---|
| 52 | else: |
---|
| 53 | (authu, authp) = webauth.decode('base64').split(':') |
---|
| 54 | db=MySQLdb.connect(read_default_file="/mit/gutenbach/.my.cnf") |
---|
| 55 | c = db.cursor() |
---|
| 56 | c.execute("SELECT 1 FROM auth WHERE auser=%s AND apass=%s LIMIT 1", (authu,authp,)) |
---|
| 57 | if c.fetchone() is None: |
---|
| 58 | authfail = True |
---|
| 59 | except Exception, e: |
---|
| 60 | authfail = True |
---|
| 61 | |
---|
| 62 | if authfail: |
---|
| 63 | print "Status: 401 Authorization Required" |
---|
| 64 | print "WWW-Authenticate: Basic realm=\"Gutenbach\"" |
---|
| 65 | print "Content-type: application/ipp\n" |
---|
| 66 | sys.exit(0) |
---|
| 67 | else: |
---|
| 68 | AUTH = authu.lower() |
---|
| 69 | |
---|
| 70 | print "Content-type: application/ipp\n" |
---|
| 71 | |
---|
| 72 | class IPPServer(object): |
---|
| 73 | def __init__(self): |
---|
| 74 | pass |
---|
| 75 | def process(self, request_in, response_out): |
---|
| 76 | data_in = request_in.read() |
---|
| 77 | if not len(data_in): |
---|
| 78 | return |
---|
| 79 | request = IPPRequest(data=data_in) |
---|
| 80 | request.parse() |
---|
| 81 | |
---|
| 82 | response = IPPRequest(version=request.version, |
---|
| 83 | operation_id=request.operation_id, |
---|
| 84 | request_id=request.request_id) |
---|
| 85 | #file('/mit/gutenbach/tmp/requests/'+str(request.operation_id)).write() |
---|
| 86 | handler = getattr(self, "_operation_%d" % request.operation_id, None) |
---|
| 87 | |
---|
| 88 | response._operation_attributes = [[]] |
---|
| 89 | response._operation_attributes[0] = filter( \ |
---|
| 90 | lambda x: x[0] in ('attributes-charset', 'attributes-natural-language', 'printer-uri'), |
---|
| 91 | request._operation_attributes[0]) |
---|
| 92 | |
---|
[efee0f1] | 93 | # f = file('/tmp/gutenbach/ipp/printer2.log','a') |
---|
[2876403] | 94 | # f.write("\n" + "*"*80 + "\n") |
---|
| 95 | # f.write(str(request)) |
---|
| 96 | if handler is not None: |
---|
| 97 | response.setOperationId(handler(request, response)) |
---|
| 98 | data_out = response.dump() |
---|
| 99 | response_out.write(data_out) |
---|
| 100 | response_test = IPPRequest(data=data_out) |
---|
| 101 | response_test.parse() |
---|
| 102 | # f.write("\n" + "-"*80 + "\n") |
---|
| 103 | # f.write(str(response_test)) |
---|
| 104 | # f.write("\n" + "*"*80 + "\n") |
---|
| 105 | # f.close() |
---|
| 106 | |
---|
| 107 | def _operation_2(self, request, response): |
---|
| 108 | """print-job response""" |
---|
[efee0f1] | 109 | (fno, fname) = mkstemp(dir='/tmp/gutenbach/ipp') |
---|
[2876403] | 110 | os.write(fno, request.data) |
---|
| 111 | os.close(fno) |
---|
| 112 | opattr = filter(lambda x: x[0] in ('job-name'), |
---|
| 113 | request._operation_attributes[0]) |
---|
| 114 | jname = 'unknown' |
---|
| 115 | if len(opattr) and opattr[0][0] == 'job-name': |
---|
| 116 | jname = opattr[0][1][0][1] |
---|
| 117 | jstat = os.stat(fname) |
---|
| 118 | jsize = jstat.st_size |
---|
| 119 | c = db.cursor() |
---|
| 120 | c.execute("INSERT INTO job (juser, jname, jfile, jsize, jtype) VALUES (%s, %s, %s, %s, %s)", \ |
---|
| 121 | (AUTH, jname, fname, jsize, 'PostScript',)) |
---|
| 122 | jid = db.insert_id() |
---|
| 123 | jfile = '/mit/gutenbach/jobs/' + AUTH + '_' + str(jid) |
---|
| 124 | move(fname, jfile) |
---|
| 125 | c.execute("UPDATE job SET jfile=%s, dupdated=NOW() WHERE jid=%s", \ |
---|
| 126 | (jfile, str(jid),)) |
---|
| 127 | response._job_attributes = [[ \ |
---|
| 128 | ('job-id', [('integer', jid)]), \ |
---|
| 129 | ('printer-uri', [('uri', printer_uri)]), \ |
---|
| 130 | ('job-state', [('enum', ipplib.IPP_JOB_HELD)])]] |
---|
| 131 | return ipplib.IPP_OK |
---|
| 132 | |
---|
| 133 | def _operation_8(self, request, response): |
---|
| 134 | """delete-job response""" |
---|
| 135 | opattr = filter(lambda x: x[0] in ('job-id'), |
---|
| 136 | request._operation_attributes[0]) |
---|
| 137 | if len(opattr) and opattr[0][0] == 'job-id': |
---|
| 138 | jid = opattr[0][1][0][1] |
---|
| 139 | c = db.cursor() |
---|
| 140 | c.execute("UPDATE job SET jstate = 'DEL' WHERE juser = %s AND jid = %s", \ |
---|
| 141 | (AUTH, int(jid))) |
---|
| 142 | return ipplib.IPP_OK |
---|
| 143 | |
---|
| 144 | def _operation_9(self, request, response): |
---|
| 145 | """get-job-properties response""" |
---|
| 146 | opattr = filter(lambda x: x[0] in ('job-id'), |
---|
| 147 | request._operation_attributes[0]) |
---|
| 148 | if len(opattr) and opattr[0][0] == 'job-id': |
---|
| 149 | jid = opattr[0][1][0][1] |
---|
| 150 | response._job_attributes.append([ \ |
---|
| 151 | ('job-id', [('integer', jid)]), \ |
---|
| 152 | # ('job-name', [('nameWithoutLanguage', x[1])]), \ |
---|
| 153 | ('job-originating-user-name', [('nameWithoutLanguage', AUTH)]), \ |
---|
| 154 | # ('job-k-octets', [('integer', x[2]/1024)]), \ |
---|
| 155 | ('job-state', [('enum', ipplib.IPP_JOB_COMPLETE)]) |
---|
| 156 | ]) |
---|
| 157 | return ipplib.IPP_OK |
---|
| 158 | |
---|
| 159 | def _operation_10(self, request, response): |
---|
| 160 | """get-jobs response""" |
---|
| 161 | c = db.cursor() |
---|
| 162 | c.execute("SELECT jid, jname, jsize, jstate FROM job WHERE juser = %s AND jstate != %s ORDER BY dadded", \ |
---|
| 163 | (AUTH, 'DEL',)) |
---|
| 164 | response._job_attributes = [] |
---|
| 165 | for x in c.fetchall(): |
---|
| 166 | if x[3] == 'NEW': |
---|
| 167 | state = ipplib.IPP_JOB_HELD |
---|
| 168 | elif x[3] == 'DONE': |
---|
| 169 | state = ipplib.IPP_JOB_COMPLETE |
---|
| 170 | else: |
---|
| 171 | state = 0 |
---|
| 172 | response._job_attributes.append([ \ |
---|
| 173 | ('job-id', [('integer', x[0])]), \ |
---|
| 174 | ('job-name', [('nameWithoutLanguage', x[1])]), \ |
---|
| 175 | ('job-originating-user-name', [('nameWithoutLanguage', AUTH)]), \ |
---|
| 176 | ('job-k-octets', [('integer', x[2]/1024)]), \ |
---|
| 177 | ('job-state', [('enum', state)]) |
---|
| 178 | ]) |
---|
| 179 | return ipplib.IPP_OK |
---|
| 180 | |
---|
| 181 | def _operation_11(self, request, response): |
---|
| 182 | """get-printer-attributes response""" |
---|
| 183 | response._printer_attributes = \ |
---|
| 184 | [[('printer-name', [('nameWithoutLanguage', 'Gutenbach')])]] |
---|
| 185 | return ipplib.IPP_OK |
---|
| 186 | |
---|
| 187 | IPPServer().process(sys.stdin,sys.stdout) |
---|