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18 package org.apache.juddi.validation;
19
20 import java.util.List;
21 import java.util.StringTokenizer;
22
23 import org.apache.juddi.keygen.KeyGenerator;
24 import org.apache.juddi.v3.error.ErrorMessage;
25 import org.apache.juddi.v3.error.InvalidKeyPassedException;
26 import org.apache.juddi.v3.error.ValueNotAllowedException;
27 import org.uddi.v3_service.DispositionReportFaultMessage;
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29
30
31
32
33 public class ValidateUDDIKey {
34
35 public static void validateUDDIv3Key(String key) throws DispositionReportFaultMessage {
36 if (key == null)
37 throw new InvalidKeyPassedException(new ErrorMessage("errors.invalidkey.NullKey"));
38 if (key.toLowerCase().startsWith("uuid:")) {
39 return;
40 }
41 if (! key.contains(KeyGenerator.PARTITION_SEPARATOR)) return;
42
43 String keyToTest = key.trim();
44 if (keyToTest.endsWith(KeyGenerator.PARTITION_SEPARATOR))
45 throw new InvalidKeyPassedException(new ErrorMessage("errors.invalidkey.MalformedKey", key));
46
47 StringTokenizer tokenizer = new StringTokenizer(key.toLowerCase(), KeyGenerator.PARTITION_SEPARATOR);
48
49 for(int count = 0; tokenizer.hasMoreTokens(); count++) {
50 String nextToken = tokenizer.nextToken();
51
52 if (count == 0) {
53 if (!ValidateUDDIKey.isValidUDDIScheme(nextToken))
54 throw new InvalidKeyPassedException(new ErrorMessage("errors.invalidkey.MalformedKey", key));
55 }
56 else if (count == 1) {
57 if(!ValidateUDDIKey.isValidDomainKey(nextToken))
58 throw new InvalidKeyPassedException(new ErrorMessage("errors.invalidkey.MalformedKey", key));
59 }
60 else {
61 if (!isValidKSS(nextToken))
62 throw new InvalidKeyPassedException(new ErrorMessage("errors.invalidkey.MalformedKey", key));
63 }
64 }
65 }
66
67 public static void validateUDDIv3KeyGeneratorKey(String key) throws DispositionReportFaultMessage {
68 if (key == null)
69 throw new InvalidKeyPassedException(new ErrorMessage("errors.invalidkey.NullKeys"));
70
71 if ( !(key.toUpperCase().endsWith(KeyGenerator.KEYGENERATOR_SUFFIX.toUpperCase())) )
72 throw new InvalidKeyPassedException(new ErrorMessage("errors.invalidkey.KeyGenSuffix", key));
73
74 validateUDDIv3Key(key.substring(0, key.lastIndexOf(KeyGenerator.PARTITION_SEPARATOR)));
75 }
76
77 public static void validateUDDIv3KeyGeneratorTModel(org.uddi.api_v3.TModel tModel) throws DispositionReportFaultMessage {
78 if (tModel == null)
79 throw new ValueNotAllowedException(new ErrorMessage("errors.tmodel.NullInput"));
80
81 validateUDDIv3KeyGeneratorKey(tModel.getTModelKey());
82
83
84 org.uddi.api_v3.CategoryBag categories = tModel.getCategoryBag();
85 if (categories != null) {
86 List<org.uddi.api_v3.KeyedReference> elems = categories.getKeyedReference();
87 if (elems != null && elems.size() == 1) {
88 org.uddi.api_v3.KeyedReference elem = elems.get(0);
89 if (elem != null) {
90 if (elem instanceof org.uddi.api_v3.KeyedReference) {
91 String keyedValue = elem.getKeyValue();
92 if (keyedValue != null) {
93 if (keyedValue.equalsIgnoreCase(KeyGenerator.KEYGENERATOR_SUFFIX))
94 return;
95 }
96 }
97 }
98 }
99 }
100
101 throw new ValueNotAllowedException(new ErrorMessage("errors.tmodel.keygenerator.BadCategory"));
102 }
103
104 public static boolean isValidUDDIScheme(String token) {
105 if (token == null)
106 return false;
107
108 if (!KeyGenerator.UDDI_SCHEME.equalsIgnoreCase(token))
109 return false;
110
111 return true;
112
113 }
114
115 public static boolean isValidDomainKey(String token) {
116 if(token.indexOf("..") != -1)
117 return false;
118
119 StringTokenizer tokenizer = new StringTokenizer(token, ".");
120 int tokensCount = tokenizer.countTokens();
121 for(int i = 0; tokenizer.hasMoreTokens(); i++) {
122 String domainPart = tokenizer.nextToken();
123 if(i == tokensCount - 1) {
124 if(!isValidTopLabel(domainPart)) {
125 return false;
126 }
127 } else if(!isValidDomainLabel(domainPart)) {
128 return false;
129 }
130 }
131 return true;
132 }
133
134
135 private static boolean isValidDomainLabel(String token) {
136 char[] chars = token.toCharArray();
137 for(int i = 0; i < chars.length; i++) {
138 char c = chars[i];
139 if(c != '-' && !Character.isLetterOrDigit(c)) {
140 return false;
141 }
142 }
143 return true;
144 }
145
146 private static boolean isValidTopLabel(String token) {
147 return Character.isLetter(token.charAt(0)) && (token.length() == 1 || isValidDomainLabel(token.substring(1)));
148 }
149
150 public static boolean isValidKSS(String token) {
151 if (token.length() == 0)
152 return false;
153
154
155 if (token.equalsIgnoreCase(KeyGenerator.KEYGENERATOR_SUFFIX))
156 return false;
157
158 return true;
159 }
160 }