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1
10
11 package org.mule.impl.security;
12
13 import edu.emory.mathcs.backport.java.util.concurrent.ConcurrentHashMap;
14
15 import org.apache.commons.logging.Log;
16 import org.apache.commons.logging.LogFactory;
17 import org.mule.umo.UMOEncryptionStrategy;
18 import org.mule.umo.lifecycle.InitialisationException;
19 import org.mule.umo.security.SecurityException;
20 import org.mule.umo.security.SecurityProviderNotFoundException;
21 import org.mule.umo.security.UMOAuthentication;
22 import org.mule.umo.security.UMOSecurityContext;
23 import org.mule.umo.security.UMOSecurityManager;
24 import org.mule.umo.security.UMOSecurityProvider;
25 import org.mule.umo.security.UnknownAuthenticationTypeException;
26
27 import java.util.ArrayList  ;
28 import java.util.Collections ;
29 import java.util.Iterator ;
30 import java.util.List ;
31 import java.util.Map ;
32
33
37
38 public class MuleSecurityManager implements UMOSecurityManager
39 {
40
43 protected static final Log logger = LogFactory.getLog(MuleSecurityManager.class);
44
45 private Map providers = new ConcurrentHashMap();
46 private Map cryptoStrategies = new ConcurrentHashMap();
47
48 public void initialise() throws InitialisationException
49 {
50 for (Iterator iterator = providers.values().iterator(); iterator.hasNext();)
51 {
52 UMOSecurityProvider provider = (UMOSecurityProvider)iterator.next();
53 provider.initialise();
54 }
55
56 for (Iterator iterator = cryptoStrategies.values().iterator(); iterator.hasNext();)
57 {
58 UMOEncryptionStrategy strategy = (UMOEncryptionStrategy)iterator.next();
59 strategy.initialise();
60 }
61 }
62
63 public UMOAuthentication authenticate(UMOAuthentication authentication)
64 throws SecurityException , SecurityProviderNotFoundException
65 {
66 Iterator iter = providers.values().iterator();
67
68 Class toTest = authentication.getClass();
69
70 while (iter.hasNext())
71 {
72 UMOSecurityProvider provider = (UMOSecurityProvider)iter.next();
73
74 if (provider.supports(toTest))
75 {
76 if (logger.isDebugEnabled())
77 {
78 logger.debug("Authentication attempt using " + provider.getClass().getName());
79 }
80
81 UMOAuthentication result = provider.authenticate(authentication);
82
83 if (result != null)
84 {
85 return result;
86 }
87 }
88 }
89
90 throw new SecurityProviderNotFoundException(toTest.getName());
91 }
92
93 public void addProvider(UMOSecurityProvider provider)
94 {
95 if (getProvider(provider.getName()) != null)
96 {
97 throw new IllegalArgumentException ("Provider already registered: " + provider.getName());
98 }
99 providers.put(provider.getName(), provider);
100 }
101
102 public UMOSecurityProvider getProvider(String name)
103 {
104 if (name == null)
105 {
106 throw new NullPointerException ("provider Name cannot be null");
107 }
108 return (UMOSecurityProvider)providers.get(name);
109 }
110
111 public UMOSecurityProvider removeProvider(String name)
112 {
113 return (UMOSecurityProvider)providers.remove(name);
114 }
115
116 public List getProviders()
117 {
118 return Collections.unmodifiableList(new ArrayList (providers.values()));
119 }
120
121 public void setProviders(List providers)
122 {
123 for (Iterator iterator = providers.iterator(); iterator.hasNext();)
124 {
125 UMOSecurityProvider provider = (UMOSecurityProvider)iterator.next();
126 addProvider(provider);
127 }
128 }
129
130 public UMOSecurityContext createSecurityContext(UMOAuthentication authentication)
131 throws UnknownAuthenticationTypeException
132 {
133 Iterator iter = providers.values().iterator();
134
135 Class toTest = authentication.getClass();
136
137 while (iter.hasNext())
138 {
139 UMOSecurityProvider provider = (UMOSecurityProvider)iter.next();
140
141 if (provider.supports(toTest))
142 {
143 return provider.createSecurityContext(authentication);
144 }
145 }
146 throw new UnknownAuthenticationTypeException(authentication);
147 }
148
149 public UMOEncryptionStrategy getEncryptionStrategy(String name)
150 {
151 return (UMOEncryptionStrategy)cryptoStrategies.get(name);
152 }
153
154 public void addEncryptionStrategy(String name, UMOEncryptionStrategy strategy)
155 {
156 cryptoStrategies.put(name, strategy);
157 }
158
159 public UMOEncryptionStrategy removeEncryptionStrategy(String name)
160 {
161 return (UMOEncryptionStrategy)cryptoStrategies.remove(name);
162
163 }
164
165 public void setEncryptionStrategies(Map strategies)
166 {
167 cryptoStrategies.putAll(strategies);
168 }
169 }
170 |
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