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annotate roundup/xmlrpc.py @ 3916:57ad3e2c2545

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handle bad cookies Roundup's cgi gets all cookies from all apps on the same server. some apps aren't as well behaved as roundup and generate cookies that do not follow the spec perfectly. This causes python's Cookie module to throw an exception when trying to parse them. In the spirit of being liberal in what we accept, we create a LiberalCookie class that can handle those out-of-spec cookies and allow roundup to continue onward. [SF#1691708] code from S. Woodside
author Justus Pendleton <jpend@users.sourceforge.net>
date Sat, 22 Sep 2007 21:20:57 +0000
parents c31da624ae3b
children 3c3077582c16
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #
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2 # Copyright (C) 2007 Stefan Seefeld
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3 # All rights reserved.
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4 # For license terms see the file COPYING.txt.
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5 #
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6
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7 import base64
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8 import roundup.instance
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9 from roundup import hyperdb
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10 from roundup.cgi.exceptions import *
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11 from roundup.admin import UsageError
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12 from SimpleXMLRPCServer import SimpleXMLRPCRequestHandler
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13
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14 class RoundupRequestHandler(SimpleXMLRPCRequestHandler):
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15 """A SimpleXMLRPCRequestHandler with support for basic
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16 HTTP Authentication."""
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17
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18 def do_POST(self):
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19 """Extract username and password from authorization header."""
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20
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21 # Try to extract username and password from HTTP Authentication.
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22 self.username = None
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23 self.password = None
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24 authorization = self.headers.get('authorization', ' ')
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25 scheme, challenge = authorization.split(' ', 1)
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26
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27 if scheme.lower() == 'basic':
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28 decoded = base64.decodestring(challenge)
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29 self.username, self.password = decoded.split(':')
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30
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31 SimpleXMLRPCRequestHandler.do_POST(self)
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32
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33 def _dispatch(self, method, params):
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34 """Inject username and password into function arguments."""
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35
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36 # Add username and password to function arguments
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37 params = [self.username, self.password] + list(params)
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38 return self.server._dispatch(method, params)
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41 class RoundupRequest:
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42 """Little helper class to handle common per-request tasks such
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43 as authentication and login."""
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44
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45 def __init__(self, tracker, username, password):
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46 """Open the database for the given tracker, using the given
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47 username and password."""
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48
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49 self.tracker = tracker
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50 self.db = self.tracker.open('admin')
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51 try:
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52 userid = self.db.user.lookup(username)
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53 except KeyError: # No such user
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54 self.db.close()
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55 raise Unauthorised, 'Invalid user.'
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56 stored = self.db.user.get(userid, 'password')
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57 if stored != password: # Wrong password
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58 self.db.close()
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59 raise Unauthorised, 'Invalid user.'
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60 self.db.setCurrentUser(username)
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61
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62 def close(self):
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63 """Close the database, after committing any changes, if needed."""
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64
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65 if getattr(self, 'db'):
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66 try:
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67 if self.db.transactions:
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68 self.db.commit()
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69 finally:
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70 self.db.close()
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71
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72
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73 def get_class(self, classname):
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74 """Return the class for the given classname."""
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75
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76 try:
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77 return self.db.getclass(classname)
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78 except KeyError:
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79 raise UsageError, 'no such class "%s"'%classname
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80
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81 def props_from_args(self, cl, args):
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82 """Construct a list of properties from the given arguments,
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83 and return them after validation."""
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84
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85 props = {}
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86 for arg in args:
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87 if arg.find('=') == -1:
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88 raise UsageError, 'argument "%s" not propname=value'%arg
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89 l = arg.split('=')
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90 if len(l) < 2:
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91 raise UsageError, 'argument "%s" not propname=value'%arg
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92 key, value = l[0], '='.join(l[1:])
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93 if value:
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94 try:
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95 props[key] = hyperdb.rawToHyperdb(self.db, cl, None,
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96 key, value)
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97 except hyperdb.HyperdbValueError, message:
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98 raise UsageError, message
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99 else:
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100 props[key] = None
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101
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102 return props
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103
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104
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105 #The server object
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106 class RoundupServer:
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107 """The RoundupServer provides the interface accessible through
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108 the Python XMLRPC mapping. All methods take an additional username
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109 and password argument so each request can be authenticated."""
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110
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111 def __init__(self, tracker, verbose = False):
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112 self.tracker = roundup.instance.open(tracker)
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113 self.verbose = verbose
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114
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115 def list(self, username, password, classname, propname = None):
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116
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117 r = RoundupRequest(self.tracker, username, password)
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118 cl = r.get_class(classname)
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119 if not propname:
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120 propname = cl.labelprop()
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121 result = [cl.get(id, propname) for id in cl.list()]
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122 r.close()
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123 return result
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124
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125 def display(self, username, password, designator, *properties):
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126
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127 r = RoundupRequest(self.tracker, username, password)
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128 classname, nodeid = hyperdb.splitDesignator(designator)
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129 cl = r.get_class(classname)
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130 props = properties and list(properties) or cl.properties.keys()
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131 props.sort()
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132 result = [(property, cl.get(nodeid, property)) for property in props]
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133 r.close()
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134 return dict(result)
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135
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136 def create(self, username, password, classname, *args):
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137
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138 r = RoundupRequest(self.tracker, username, password)
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139 cl = r.get_class(classname)
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140
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141 # convert types
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142 props = r.props_from_args(cl, args)
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143
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144 # check for the key property
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145 key = cl.getkey()
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146 if key and not props.has_key(key):
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147 raise UsageError, 'you must provide the "%s" property.'%key
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148
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149 # do the actual create
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150 try:
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151 try:
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152 result = cl.create(**props)
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153 except (TypeError, IndexError, ValueError), message:
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154 raise UsageError, message
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155 finally:
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156 r.close()
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157 return result
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158
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159 def set(self, username, password, designator, *args):
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160
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161 r = RoundupRequest(self.tracker, username, password)
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162 classname, itemid = hyperdb.splitDesignator(designator)
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163 cl = r.get_class(classname)
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164
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165 # convert types
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166 props = r.props_from_args(cl, args)
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167 try:
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168 try:
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169 cl.set(itemid, **props)
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170 except (TypeError, IndexError, ValueError), message:
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171 raise UsageError, message
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172 finally:
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173 r.close()
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174
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175 # vim: set et sts=4 sw=4 :
Roundup Issue Tracker: http://roundup-tracker.org/