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1 package de.mpiwg.itgroup.annotations.restlet;
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2
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3 import java.io.File;
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4 import java.io.FileInputStream;
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5 import java.io.FileNotFoundException;
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6 import java.io.IOException;
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7 import java.io.InputStream;
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8 import java.util.Hashtable;
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9 import java.util.Properties;
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10
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11 import javax.naming.NamingEnumeration;
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12 import javax.naming.NamingException;
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13 import javax.naming.directory.Attribute;
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14 import javax.naming.directory.DirContext;
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15 import javax.naming.directory.InitialDirContext;
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16 import javax.naming.directory.SearchControls;
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17 import javax.naming.directory.SearchResult;
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18 import javax.servlet.ServletContext;
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19
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20 import org.apache.log4j.BasicConfigurator;
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21 import org.apache.log4j.Logger;
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22 import org.restlet.Application;
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23 import org.restlet.Context;
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24 import org.restlet.Restlet;
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25 import org.restlet.routing.Router;
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26 import org.restlet.security.ChallengeAuthenticator;
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27
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28 import scala.sys.process.ProcessBuilderImpl.Dummy;
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29
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30 public class RestServer extends Application {
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31
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32 public static Logger logger = Logger.getRootLogger();
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33
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34 private ChallengeAuthenticator authenticator;
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35
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36 /**
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37 * Properties holding consumer keys and secrets
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38 */
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39 private Properties consumerKeys;
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40 public final String CONSUMER_KEYS_PATH = "WEB-INF/consumerkeys.property";
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41
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42 /**
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43 * constructor
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44 *
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45 * @param parentContext
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46 */
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47 public RestServer(Context parentContext) {
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48 super(parentContext);
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49
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50 Logger rl = Logger.getRootLogger();
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51 BasicConfigurator.configure();
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52 // read consumerKeys from webapp
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53 consumerKeys = new Properties();
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54 ServletContext sc = (ServletContext) getContext().getServerDispatcher()
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55 .getContext().getAttributes()
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56 .get("org.restlet.ext.servlet.ServletContext");
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57 if (sc != null) {
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58 InputStream ps = sc.getResourceAsStream(CONSUMER_KEYS_PATH);
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59 if (ps == null) {
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60 // try as file
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61 File pf = new File(sc.getRealPath(CONSUMER_KEYS_PATH));
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62 if (pf != null) {
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63 rl.debug("trying file for consumer keys: "+pf);
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64 try {
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65 ps = new FileInputStream(pf);
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66 } catch (FileNotFoundException e) {
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67 // TODO Auto-generated catch block
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68 e.printStackTrace();
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69 }
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70 }
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71 }
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72 if (ps != null) {
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73 rl.debug("loading consumer keys from "+CONSUMER_KEYS_PATH);
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74 try {
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75 consumerKeys.load(ps);
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76 } catch (IOException e) {
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77 // TODO Auto-generated catch block
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78 e.printStackTrace();
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79 }
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80 rl.debug("consumer keys: "+consumerKeys);
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81 } else {
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82 rl.error("Unable to get resource "+CONSUMER_KEYS_PATH);
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83 }
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84 } else {
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85 rl.error("Unable to get ServletContext!");
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86 }
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87
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88 }
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89
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90 /**
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91 * returns consumer secret for consumer key.
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92 * returns null if consumer key doesn't exist.
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93 * @param consumerKey
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94 * @return
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95 */
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96 public String getConsumerSecret(String consumerKey) {
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97 return consumerKeys.getProperty(consumerKey);
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98 }
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99
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100
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101 /*
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102 * (non-Javadoc)
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103 *
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104 * @see org.restlet.Application#createInboundRoot()
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105 */
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106 @Override
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107 public Restlet createInboundRoot() {
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108 //this.authenticator = createAuthenticator();
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109
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110 // String target = "{rh}/{rf}/XX";
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111 // Redirector redirector = new
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112 // Redirector(getContext().createChildContext(), target,
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113 // Redirector.MODE_CLIENT_SEE_OTHER);
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114
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115 Router router = new Router(getContext());
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116 /*
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117 router.attach("/annotator/annotations", AnnotatorAnnotations.class);
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118 router.attach("/annotator/annotations/{id}", AnnotatorAnnotations.class);
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119 router.attach("/annotator/search", AnnotatorSearch.class);
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120
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121 // router.attach("",redirector);
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122 router.attach("/annotator", ExtendedAnnotationInput.class);
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123 */
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124 router.attach("/", AnnotatorInfo.class);
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125 //authenticator.setNext(router);
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126 //return authenticator;
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127
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128 return router;
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129 }
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130
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131 /**
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132 * Hole den vollen Benutzernamen aus dem LDAP
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133 *
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134 * @param creator
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135 * @return
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136 */
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137 public String getUserNameFromLdap(String creator) {
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138 String retString = creator; // falls nichts gefunden wird einfach den
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139 // creator zurueckgeben
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140 Hashtable<String, String> env = new Hashtable<String, String>();
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141 String sp = "com.sun.jndi.ldap.LdapCtxFactory";
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142 env.put(javax.naming.Context.INITIAL_CONTEXT_FACTORY, sp);
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143
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144 String ldapUrl = "ldap://ldapreplik.mpiwg-berlin.mpg.de/dc=mpiwg-berlin,dc=mpg,dc=de"; // TODO should go into config file
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145 env.put(javax.naming.Context.PROVIDER_URL, ldapUrl);
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146
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147 DirContext dctx;
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148 try {
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149 dctx = new InitialDirContext(env);
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150 } catch (NamingException e1) {
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151 // TODO Auto-generated catch block
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152 e1.printStackTrace();
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153 return retString;
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154 }
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155
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156 String base = "ou=People";
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157
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158 SearchControls sc = new SearchControls();
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159 String[] attributeFilter = { "cn", "mail" };
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160 sc.setReturningAttributes(attributeFilter);
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161 sc.setSearchScope(SearchControls.SUBTREE_SCOPE);
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162
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163 String filter = "(uid=" + creator + ")";
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164
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165 try {
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166 NamingEnumeration<SearchResult> results = dctx.search(base, filter,
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167 sc);
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168 while (results.hasMore()) {
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169 SearchResult sr = (SearchResult) results.next();
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170 javax.naming.directory.Attributes attrs = sr.getAttributes();
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171
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172 Attribute attr = attrs.get("cn");
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173 retString = (String) attr.get();
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174 }
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175 } catch (NamingException e) {
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176 // TODO Auto-generated catch block
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177 e.printStackTrace();
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178 }
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179
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180 try {
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181 dctx.close();
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182 } catch (NamingException e) {
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183 // TODO Auto-generated catch block
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184 e.printStackTrace();
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185 }
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186 return retString;
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187 }
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188
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189 }
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