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1# Copyright (c) 2009-2010 Mitch Garnaat http://garnaat.org/
2#
3# Permission is hereby granted, free of charge, to any person obtaining a
4# copy of this software and associated documentation files (the
5# "Software"), to deal in the Software without restriction, including
6# without limitation the rights to use, copy, modify, merge, publish, dis-
7# tribute, sublicense, and/or sell copies of the Software, and to permit
8# persons to whom the Software is furnished to do so, subject to the fol-
9# lowing conditions:
10#
11# The above copyright notice and this permission notice shall be included
12# in all copies or substantial portions of the Software.
13#
14# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
16# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
17# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
20# IN THE SOFTWARE.
21
22"""
23Represents a Network ACL
24"""
25
26from boto.ec2.ec2object import TaggedEC2Object
27from boto.resultset import ResultSet
28
29
30class Icmp(object):
31    """
32    Defines the ICMP code and type.
33    """
34    def __init__(self, connection=None):
35        self.code = None
36        self.type   = None
37
38    def __repr__(self):
39        return 'Icmp::code:%s, type:%s)' % ( self.code, self.type)
40
41    def startElement(self, name, attrs, connection):
42        pass
43
44    def endElement(self, name, value, connection):
45
46        if name == 'code':
47            self.code = value
48        elif name == 'type':
49            self.type = value
50
51class NetworkAcl(TaggedEC2Object):
52
53    def __init__(self, connection=None):
54        super(NetworkAcl, self).__init__(connection)
55        self.id = None
56        self.vpc_id = None
57        self.network_acl_entries = []
58        self.associations = []
59
60    def __repr__(self):
61        return 'NetworkAcl:%s' % self.id
62
63    def startElement(self, name, attrs, connection):
64        result = super(NetworkAcl, self).startElement(name, attrs, connection)
65
66        if result is not None:
67            # Parent found an interested element, just return it
68            return result
69
70        if name == 'entrySet':
71            self.network_acl_entries = ResultSet([('item', NetworkAclEntry)])
72            return self.network_acl_entries
73        elif name == 'associationSet':
74            self.associations = ResultSet([('item', NetworkAclAssociation)])
75            return self.associations
76        else:
77            return None
78
79    def endElement(self, name, value, connection):
80        if name == 'networkAclId':
81            self.id = value
82        elif name == 'vpcId':
83            self.vpc_id = value
84        else:
85            setattr(self, name, value)
86
87class NetworkAclEntry(object):
88    def __init__(self, connection=None):
89        self.rule_number = None
90        self.protocol = None
91        self.rule_action = None
92        self.egress = None
93        self.cidr_block = None
94        self.port_range = PortRange()
95        self.icmp = Icmp()
96
97    def __repr__(self):
98        return 'Acl:%s' % self.rule_number
99
100    def startElement(self, name, attrs, connection):
101
102        if name == 'portRange':
103            return self.port_range
104        elif name == 'icmpTypeCode':
105            return self.icmp
106        else:
107            return None
108
109    def endElement(self, name, value, connection):
110        if name == 'cidrBlock':
111            self.cidr_block = value
112        elif name == 'egress':
113            self.egress = value
114        elif name == 'protocol':
115            self.protocol = value
116        elif name == 'ruleAction':
117            self.rule_action = value
118        elif name == 'ruleNumber':
119            self.rule_number = value
120
121
122class NetworkAclAssociation(object):
123    def __init__(self, connection=None):
124        self.id = None
125        self.subnet_id = None
126        self.network_acl_id = None
127
128    def __repr__(self):
129        return 'NetworkAclAssociation:%s' % self.id
130
131    def startElement(self, name, attrs, connection):
132        return None
133
134    def endElement(self, name, value, connection):
135        if name == 'networkAclAssociationId':
136            self.id = value
137        elif name == 'networkAclId':
138            self.network_acl_id = value
139        elif name == 'subnetId':
140            self.subnet_id = value
141
142class PortRange(object):
143    """
144    Define the port range for the ACL entry if it is tcp / udp
145    """
146
147    def __init__(self, connection=None):
148        self.from_port = None
149        self.to_port   = None
150
151    def __repr__(self):
152        return 'PortRange:(%s-%s)' % ( self.from_port, self.to_port)
153
154    def startElement(self, name, attrs, connection):
155        pass
156
157    def endElement(self, name, value, connection):
158
159        if name == 'from':
160            self.from_port = value
161        elif name == 'to':
162            self.to_port = value
163
164
165