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annotate roundup-server @ 32:b475e7d3ce52

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actually quit if python version wrong
author Anthony Baxter <anthonybaxter@users.sourceforge.net>
date Mon, 23 Jul 2001 04:05:05 +0000
parents e5e9ea306a09
children 33bfce110d1e
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1 #!/usr/bin/python
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2 """ HTTP Server that serves roundup.
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3
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4 Stolen from CGIHTTPServer
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5
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6 $Id: roundup-server,v 1.2 2001-07-23 04:05:05 anthonybaxter Exp $
27
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7
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8 """
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9 import sys
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10 if int(sys.version[0]) < 2:
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11 print "Content-Type: text/plain\n"
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12 print "Roundup requires Python 2.0 or newer."
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13 sys.exit(0)
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14
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15 __version__ = "0.1"
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16
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17 __all__ = ["RoundupRequestHandler"]
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18
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19 import os, urllib, StringIO, traceback, cgi, binascii, string
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20 import BaseHTTPServer
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21 import SimpleHTTPServer
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22
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23 # Roundup modules of use here
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24 from roundup import cgitb, cgi_client
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25
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26 # These are here temporarily until I get a real reload system in place
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27 from roundup import date, hyperdb, hyper_bsddb, roundupdb, htmltemplate
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29 #
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30 ## Configuration
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31 #
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32
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33 # This indicates where the Roundup instance lives
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34 ROUNDUPS = {
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35 'test': '/tmp/roundup_test',
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36 }
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37
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38 # Where to log debugging information to. Use an instance of DevNull if you
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39 # don't want to log anywhere.
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40 # TODO: actually use this stuff
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41 #class DevNull:
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42 # def write(self, info):
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43 # pass
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44 #LOG = open('/var/log/roundup.cgi.log', 'a')
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45 #LOG = DevNull()
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46
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47 #
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48 ## end configuration
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49 #
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50
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51
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52 class RoundupRequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
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53 def send_head(self):
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54 """Version of send_head that support CGI scripts"""
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55 # TODO: actually do the HEAD ...
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56 return self.run_cgi()
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57
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58 def run_cgi(self):
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59 """ Execute the CGI command. Wrap an innner call in an error
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60 handler so all errors can be caught.
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61 """
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62 save_stdin = sys.stdin
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63 sys.stdin = self.rfile
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64 try:
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65 self.inner_run_cgi()
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66 except cgi_client.Unauthorised:
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67 self.wfile.write('Content-Type: text/html\n')
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68 self.wfile.write('Status: 403\n')
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69 self.wfile.write('Unauthorised')
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70 except:
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71 try:
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72 reload(cgitb)
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73 self.wfile.write("Content-Type: text/html\n\n")
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74 self.wfile.write(cgitb.breaker())
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75 self.wfile.write(cgitb.html())
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76 except:
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77 self.wfile.write("Content-Type: text/html\n\n")
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78 self.wfile.write("<pre>")
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79 s = StringIO.StringIO()
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80 traceback.print_exc(None, s)
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81 self.wfile.write(cgi.escape(s.getvalue()))
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82 self.wfile.write("</pre>\n")
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83 sys.stdin = save_stdin
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84
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85 def inner_run_cgi(self):
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86 ''' This is the inner part of the CGI handling
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87 '''
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88
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89 rest = self.path
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90 i = rest.rfind('?')
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91 if i >= 0:
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92 rest, query = rest[:i], rest[i+1:]
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93 else:
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94 query = ''
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95
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96 # figure the instance
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97 if rest == '/':
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98 raise ValueError, 'No instance specified'
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99 l_path = string.split(rest, '/')
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100 instance = urllib.unquote(l_path[1])
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101 if ROUNDUPS.has_key(instance):
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102 instance_home = ROUNDUPS[instance]
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103 module_path, instance = os.path.split(instance_home)
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104 sys.path.insert(0, module_path)
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105 try:
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106 instance = __import__(instance)
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107 finally:
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108 del sys.path[0]
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109 else:
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110 raise ValueError, 'No such instance "%s"'%instance
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111
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112 # figure out what the rest of the path is
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113 if len(l_path) > 2:
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114 rest = '/'.join(l_path[2:])
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115 else:
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116 rest = '/'
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117
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118 # Set up the CGI environment
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119 env = {}
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120 env['REQUEST_METHOD'] = self.command
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121 env['PATH_INFO'] = urllib.unquote(rest)
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122 if query:
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123 env['QUERY_STRING'] = query
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124 host = self.address_string()
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125 if self.headers.typeheader is None:
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126 env['CONTENT_TYPE'] = self.headers.type
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127 else:
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128 env['CONTENT_TYPE'] = self.headers.typeheader
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129 length = self.headers.getheader('content-length')
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130 if length:
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131 env['CONTENT_LENGTH'] = length
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132 co = filter(None, self.headers.getheaders('cookie'))
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133 if co:
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134 env['HTTP_COOKIE'] = ', '.join(co)
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135 env['SCRIPT_NAME'] = ''
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136 env['SERVER_NAME'] = self.server.server_name
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137 env['SERVER_PORT'] = str(self.server.server_port)
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138
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139 decoded_query = query.replace('+', ' ')
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140
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141 # if root, setuid to nobody
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142 # TODO why isn't this done much earlier? - say, in main()?
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143 if not os.getuid():
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144 nobody = nobody_uid()
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145 os.setuid(nobody)
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146
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147 # reload all modules
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148 # TODO check for file timestamp changes and dependencies
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149 reload(date)
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150 reload(hyperdb)
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151 reload(roundupdb)
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152 reload(htmltemplate)
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153 reload(cgi_client)
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154 sys.path.insert(0, module_path)
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155 try:
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156 reload(instance)
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157 finally:
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158 del sys.path[0]
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159
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160 # initialise the roundupdb, check for auth
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161 db = instance.open('admin')
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162 message = 'Unauthorised'
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163 auth = self.headers.getheader('authorization')
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164 if auth:
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165 l = binascii.a2b_base64(auth.split(' ')[1]).split(':')
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166 user = l[0]
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167 password = None
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168 if len(l) > 1:
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169 password = l[1]
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170 try:
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171 uid = db.user.lookup(user)
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172 except KeyError:
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173 auth = None
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174 message = 'Username not recognised'
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175 else:
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176 if password != db.user.get(uid, 'password'):
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177 message = 'Incorrect password'
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178 auth = None
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179 db.close()
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180 del db
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181 if not auth:
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182 self.send_response(401)
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183 self.send_header('Content-Type', 'text/html')
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184 self.send_header('WWW-Authenticate', 'basic realm="Roundup"')
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185 self.end_headers()
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186 self.wfile.write(message)
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187 return
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188
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189 self.send_response(200, "Script output follows")
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190
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191 # do the roundup thang
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192 db = instance.open(user)
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193 client = instance.Client(self.wfile, db, env, user)
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194 client.main()
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195 do_POST = run_cgi
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196
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197 nobody = None
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198
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199 def nobody_uid():
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200 """Internal routine to get nobody's uid"""
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201 global nobody
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202 if nobody:
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203 return nobody
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204 try:
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205 import pwd
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206 except ImportError:
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207 return -1
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208 try:
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209 nobody = pwd.getpwnam('nobody')[2]
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210 except KeyError:
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211 nobody = 1 + max(map(lambda x: x[2], pwd.getpwall()))
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212 return nobody
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213
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214 if __name__ == '__main__':
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215 # TODO make this configurable again? command-line seems ok to me...
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216 address = ('', 8080)
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217 httpd = BaseHTTPServer.HTTPServer(address, RoundupRequestHandler)
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218 print 'Roundup server started on', address
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219 httpd.serve_forever()
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220
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221 #
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222 # $Log: not supported by cvs2svn $
32
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223 # Revision 1.1 2001/07/23 03:46:48 richard
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224 # moving the bin files to facilitate out-of-the-boxness
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225 #
27
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226 # Revision 1.1 2001/07/22 11:15:45 richard
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227 # More Grande Splite stuff
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228 #
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229 #
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230
Roundup Issue Tracker: http://roundup-tracker.org/