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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