Mercurial > hg > AnnotationManagerN4J
annotate src/main/java/de/mpiwg/itgroup/annotations/restlet/AnnotatorResourceImpl.java @ 57:4efb21cf0ce0
new non-authorized mode without tokens. enabled by default. configured with annotationmanager.authorization=false property.
| author | casties |
|---|---|
| date | Tue, 20 Nov 2012 17:56:35 +0100 |
| parents | a52c597075dc |
| children | f5c0e6df7e88 |
| rev | line source |
|---|---|
| 3 | 1 /** |
| 2 * Base class for Annotator resource classes. | |
| 3 */ | |
| 4 package de.mpiwg.itgroup.annotations.restlet; | |
| 5 | |
| 6 import java.io.UnsupportedEncodingException; | |
| 7 import java.security.InvalidKeyException; | |
| 8 import java.security.SignatureException; | |
| 5 | 9 import java.text.SimpleDateFormat; |
| 3 | 10 import java.util.ArrayList; |
| 5 | 11 import java.util.Calendar; |
| 16 | 12 import java.util.HashSet; |
| 3 | 13 import java.util.List; |
| 16 | 14 import java.util.Set; |
| 3 | 15 import java.util.regex.Matcher; |
| 16 import java.util.regex.Pattern; | |
| 17 | |
| 18 import net.oauth.jsontoken.Checker; | |
| 19 import net.oauth.jsontoken.JsonToken; | |
| 20 import net.oauth.jsontoken.JsonTokenParser; | |
| 21 import net.oauth.jsontoken.SystemClock; | |
| 22 import net.oauth.jsontoken.crypto.HmacSHA256Verifier; | |
| 23 import net.oauth.jsontoken.crypto.Verifier; | |
| 24 | |
| 25 import org.apache.commons.codec.binary.Base64; | |
| 26 import org.apache.log4j.Logger; | |
| 27 import org.json.JSONArray; | |
| 28 import org.json.JSONException; | |
| 29 import org.json.JSONObject; | |
| 30 import org.restlet.data.Form; | |
| 31 import org.restlet.data.Status; | |
| 32 import org.restlet.representation.Representation; | |
| 33 import org.restlet.resource.Options; | |
| 34 import org.restlet.resource.ServerResource; | |
| 35 | |
| 9 | 36 import de.mpiwg.itgroup.annotations.Actor; |
| 4 | 37 import de.mpiwg.itgroup.annotations.Annotation; |
| 38 import de.mpiwg.itgroup.annotations.Annotation.FragmentTypes; | |
| 10 | 39 import de.mpiwg.itgroup.annotations.Group; |
| 19 | 40 import de.mpiwg.itgroup.annotations.NS; |
| 10 | 41 import de.mpiwg.itgroup.annotations.Person; |
|
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42 import de.mpiwg.itgroup.annotations.Resource; |
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43 import de.mpiwg.itgroup.annotations.Target; |
| 4 | 44 import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore; |
| 3 | 45 |
| 46 /** | |
| 47 * Base class for Annotator resource classes. | |
| 48 * | |
| 49 * @author dwinter, casties | |
| 50 * | |
| 51 */ | |
| 52 public abstract class AnnotatorResourceImpl extends ServerResource { | |
| 53 | |
| 4 | 54 protected static Logger logger = Logger.getLogger(AnnotatorResourceImpl.class); |
| 55 | |
| 56 private AnnotationStore store; | |
| 3 | 57 |
| 58 protected String getAllowedMethodsForHeader() { | |
| 59 return "OPTIONS,GET,POST"; | |
| 60 } | |
| 61 | |
| 4 | 62 protected AnnotationStore getAnnotationStore() { |
| 63 if (store == null) { | |
| 19 | 64 store = ((BaseRestlet) getApplication()).getAnnotationStore(); |
| 4 | 65 } |
| 66 return store; | |
| 67 } | |
| 68 | |
| 3 | 69 public String encodeJsonId(String id) { |
| 22 | 70 if (id == null) return null; |
| 3 | 71 try { |
| 72 return Base64.encodeBase64URLSafeString(id.getBytes("UTF-8")); | |
| 73 } catch (UnsupportedEncodingException e) { | |
| 74 return null; | |
| 75 } | |
| 76 } | |
| 77 | |
| 78 public String decodeJsonId(String id) { | |
| 22 | 79 if (id == null) return null; |
| 3 | 80 try { |
| 81 return new String(Base64.decodeBase64(id), "UTF-8"); | |
| 82 } catch (UnsupportedEncodingException e) { | |
| 83 return null; | |
| 84 } | |
| 85 } | |
| 86 | |
| 87 /** | |
| 88 * Handle options request to allow CORS for AJAX. | |
| 89 * | |
| 90 * @param entity | |
| 91 */ | |
| 92 @Options | |
| 93 public void doOptions(Representation entity) { | |
| 94 logger.debug("AnnotatorResourceImpl doOptions!"); | |
| 95 setCorsHeaders(); | |
| 96 } | |
| 97 | |
| 98 /** | |
| 99 * set headers to allow CORS for AJAX. | |
| 100 */ | |
| 101 protected void setCorsHeaders() { | |
| 102 Form responseHeaders = (Form) getResponse().getAttributes().get("org.restlet.http.headers"); | |
| 103 if (responseHeaders == null) { | |
| 104 responseHeaders = new Form(); | |
| 105 getResponse().getAttributes().put("org.restlet.http.headers", responseHeaders); | |
| 106 } | |
| 107 responseHeaders.add("Access-Control-Allow-Methods", getAllowedMethodsForHeader()); | |
| 108 // echo back Origin and Request-Headers | |
| 109 Form requestHeaders = (Form) getRequest().getAttributes().get("org.restlet.http.headers"); | |
| 110 String origin = requestHeaders.getFirstValue("Origin", true); | |
| 111 if (origin == null) { | |
| 112 responseHeaders.add("Access-Control-Allow-Origin", "*"); | |
| 113 } else { | |
| 114 responseHeaders.add("Access-Control-Allow-Origin", origin); | |
| 115 } | |
| 116 String allowHeaders = requestHeaders.getFirstValue("Access-Control-Request-Headers", true); | |
| 117 if (allowHeaders != null) { | |
| 118 responseHeaders.add("Access-Control-Allow-Headers", allowHeaders); | |
| 119 } | |
| 120 responseHeaders.add("Access-Control-Allow-Credentials", "true"); | |
| 121 responseHeaders.add("Access-Control-Max-Age", "60"); | |
| 122 } | |
| 123 | |
| 124 /** | |
| 125 * returns if authentication information from headers is valid. | |
| 126 * | |
| 127 * @param entity | |
| 128 * @return | |
| 129 */ | |
| 130 public boolean isAuthenticated(Representation entity) { | |
| 131 return (checkAuthToken(entity) != null); | |
| 132 } | |
| 133 | |
| 134 /** | |
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135 * Checks Annotator Auth plugin authentication information from headers. |
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136 * Returns userId if successful. Returns "anonymous" in non-authorization mode. |
| 3 | 137 * |
| 138 * @param entity | |
| 139 * @return | |
| 140 */ | |
| 141 public String checkAuthToken(Representation entity) { | |
| 142 Form requestHeaders = (Form) getRequest().getAttributes().get("org.restlet.http.headers"); | |
| 143 String authToken = requestHeaders.getFirstValue("x-annotator-auth-token", true); | |
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144 if (authToken == null) { |
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145 if (!((BaseRestlet) getApplication()).isAuthorizationMode()) { |
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146 return "anonymous"; |
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147 } |
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148 return null; |
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149 } |
| 3 | 150 // decode token first to get consumer key |
| 151 JsonToken token = new JsonTokenParser(null, null).deserialize(authToken); | |
| 152 String userId = token.getParamAsPrimitive("userId").getAsString(); | |
| 153 String consumerKey = token.getParamAsPrimitive("consumerKey").getAsString(); | |
| 154 // get stored consumer secret for key | |
| 18 | 155 BaseRestlet restServer = (BaseRestlet) getApplication(); |
| 3 | 156 String consumerSecret = restServer.getConsumerSecret(consumerKey); |
| 157 logger.debug("requested consumer key=" + consumerKey + " secret=" + consumerSecret); | |
| 158 if (consumerSecret == null) { | |
| 159 return null; | |
| 160 } | |
| 161 // logger.debug(String.format("token=%s tokenString=%s signatureAlgorithm=%s",token,token.getTokenString(),token.getSignatureAlgorithm())); | |
| 162 try { | |
| 163 List<Verifier> verifiers = new ArrayList<Verifier>(); | |
| 164 // we only do HS256 yet | |
| 165 verifiers.add(new HmacSHA256Verifier(consumerSecret.getBytes("UTF-8"))); | |
| 166 // verify token signature(should really be static...) | |
| 167 new JsonTokenParser(new SystemClock(), null, (Checker[]) null).verify(token, verifiers); | |
| 168 } catch (SignatureException e) { | |
| 169 // TODO Auto-generated catch block | |
| 170 e.printStackTrace(); | |
| 171 } catch (InvalidKeyException e) { | |
| 172 // TODO Auto-generated catch block | |
| 173 e.printStackTrace(); | |
| 174 } catch (UnsupportedEncodingException e) { | |
| 175 // TODO Auto-generated catch block | |
| 176 e.printStackTrace(); | |
| 177 } | |
| 178 // must be ok then | |
| 179 logger.debug("auth OK! user=" + userId); | |
| 180 return userId; | |
| 181 } | |
| 182 | |
| 183 /** | |
| 184 * creates Annotator-JSON from an Annotation object. | |
| 185 * | |
| 186 * @param annot | |
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187 * @param forAnonymous TODO |
| 3 | 188 * @return |
| 189 */ | |
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190 public JSONObject createAnnotatorJson(Annotation annot, boolean forAnonymous) { |
| 5 | 191 // return user as a JSON object (otherwise just as string) |
| 3 | 192 boolean makeUserObject = true; |
| 193 JSONObject jo = new JSONObject(); | |
| 194 try { | |
| 4 | 195 jo.put("text", annot.getBodyText()); |
| 196 jo.put("uri", annot.getTargetBaseUri()); | |
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197 if (annot.getResourceUri() != null) { |
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198 jo.put("resource", annot.getResourceUri()); |
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199 } |
| 3 | 200 |
| 16 | 201 /* |
| 202 * user | |
| 203 */ | |
| 3 | 204 if (makeUserObject) { |
| 205 // create user object | |
| 206 JSONObject userObject = new JSONObject(); | |
| 10 | 207 Actor creator = annot.getCreator(); |
| 3 | 208 // save creator as uri |
| 10 | 209 userObject.put("uri", creator.getUri()); |
| 3 | 210 // make short user id |
| 10 | 211 String userId = creator.getIdString(); |
| 9 | 212 // set as id |
| 4 | 213 userObject.put("id", userId); |
| 3 | 214 // get full name |
| 10 | 215 String userName = creator.getName(); |
| 5 | 216 if (userName == null) { |
| 18 | 217 BaseRestlet restServer = (BaseRestlet) getApplication(); |
| 5 | 218 userName = restServer.getFullNameFromLdap(userId); |
| 219 } | |
| 3 | 220 userObject.put("name", userName); |
| 221 // save user object | |
| 222 jo.put("user", userObject); | |
| 223 } else { | |
| 224 // save user as string | |
| 4 | 225 jo.put("user", annot.getCreatorUri()); |
| 3 | 226 } |
| 227 | |
| 16 | 228 /* |
| 229 * ranges | |
| 230 */ | |
| 4 | 231 if (annot.getTargetFragment() != null) { |
| 3 | 232 // we only look at the first xpointer |
| 4 | 233 List<String> fragments = new ArrayList<String>(); |
| 234 fragments.add(annot.getTargetFragment()); | |
| 235 FragmentTypes xt = annot.getFragmentType(); | |
| 236 if (xt == FragmentTypes.XPOINTER) { | |
| 237 jo.put("ranges", transformToRanges(fragments)); | |
| 238 } else if (xt == FragmentTypes.AREA) { | |
| 239 jo.put("areas", transformToAreas(fragments)); | |
| 3 | 240 } |
| 241 } | |
| 10 | 242 |
| 16 | 243 /* |
| 244 * permissions | |
| 245 */ | |
| 10 | 246 JSONObject perms = new JSONObject(); |
| 247 jo.put("permissions", perms); | |
| 248 // admin | |
| 249 JSONArray adminPerms = new JSONArray(); | |
| 250 perms.put("admin", adminPerms); | |
| 251 Actor adminPerm = annot.getAdminPermission(); | |
| 252 if (adminPerm != null) { | |
| 253 adminPerms.put(adminPerm.getIdString()); | |
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254 } else if (forAnonymous) { |
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255 // set something because its not allowed for anonymous |
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256 adminPerms.put("not-you"); |
| 10 | 257 } |
| 258 // delete | |
| 259 JSONArray deletePerms = new JSONArray(); | |
| 260 perms.put("delete", deletePerms); | |
| 261 Actor deletePerm = annot.getDeletePermission(); | |
| 262 if (deletePerm != null) { | |
| 263 deletePerms.put(deletePerm.getIdString()); | |
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264 } else if (forAnonymous) { |
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265 // set something because its not allowed for anonymous |
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266 deletePerms.put("not-you"); |
| 10 | 267 } |
| 268 // update | |
| 269 JSONArray updatePerms = new JSONArray(); | |
| 270 perms.put("update", updatePerms); | |
| 271 Actor updatePerm = annot.getUpdatePermission(); | |
| 272 if (updatePerm != null) { | |
| 273 updatePerms.put(updatePerm.getIdString()); | |
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274 } else if (forAnonymous) { |
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275 // set something because its not allowed for anonymous |
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276 updatePerms.put("not-you"); |
| 10 | 277 } |
| 278 // read | |
| 279 JSONArray readPerms = new JSONArray(); | |
| 280 perms.put("read", readPerms); | |
| 281 Actor readPerm = annot.getReadPermission(); | |
| 282 if (readPerm != null) { | |
| 283 readPerms.put(readPerm.getIdString()); | |
| 284 } | |
| 285 | |
| 16 | 286 /* |
| 287 * tags | |
| 288 */ | |
| 289 Set<String> tagset = annot.getTags(); | |
| 290 if (tagset != null) { | |
| 291 JSONArray tags = new JSONArray(); | |
| 292 jo.put("tags", tags); | |
| 293 for (String tag : tagset) { | |
| 294 tags.put(tag); | |
| 295 } | |
| 296 } | |
| 297 | |
| 298 /* | |
| 299 * id | |
| 300 */ | |
| 3 | 301 // encode Annotation URL (=id) in base64 |
| 4 | 302 String annotUrl = annot.getUri(); |
| 3 | 303 String annotId = encodeJsonId(annotUrl); |
| 304 jo.put("id", annotId); | |
| 305 return jo; | |
| 306 } catch (JSONException e) { | |
| 307 // TODO Auto-generated catch block | |
| 308 e.printStackTrace(); | |
| 309 } | |
| 310 return null; | |
| 311 } | |
| 312 | |
| 313 private JSONArray transformToRanges(List<String> xpointers) { | |
| 314 | |
| 315 JSONArray ja = new JSONArray(); | |
| 316 | |
| 317 Pattern rg = Pattern | |
| 4 | 318 .compile("xpointer\\(start-point\\(string-range\\(\"([^\"]*)\",([^,]*),1\\)\\)/range-to\\(end-point\\(string-range\\(\"([^\"]*)\",([^,]*),1\\)\\)\\)\\)"); |
| 319 Pattern rg1 = Pattern.compile("xpointer\\(start-point\\(string-range\\(\"([^\"]*)\",([^,]*),1\\)\\)\\)"); | |
| 3 | 320 |
| 321 try { | |
| 322 for (String xpointer : xpointers) { | |
| 10 | 323 // String decoded = URLDecoder.decode(xpointer, "utf-8"); |
| 5 | 324 String decoded = xpointer; |
| 3 | 325 Matcher m = rg.matcher(decoded); |
| 326 | |
| 327 if (m.find()) { | |
| 328 { | |
| 329 JSONObject jo = new JSONObject(); | |
| 330 jo.put("start", m.group(1)); | |
| 331 jo.put("startOffset", m.group(2)); | |
| 332 jo.put("end", m.group(3)); | |
| 333 jo.put("endOffset", m.group(4)); | |
| 334 ja.put(jo); | |
| 335 } | |
| 336 } | |
| 337 m = rg1.matcher(xpointer); | |
| 338 if (m.find()) { | |
| 339 JSONObject jo = new JSONObject(); | |
| 340 jo.put("start", m.group(1)); | |
| 341 jo.put("startOffset", m.group(2)); | |
| 342 | |
| 343 ja.put(jo); | |
| 344 } | |
| 345 } | |
| 346 } catch (JSONException e) { | |
| 347 // TODO Auto-generated catch block | |
| 348 e.printStackTrace(); | |
| 349 } | |
| 350 return ja; | |
| 351 } | |
| 352 | |
| 353 private JSONArray transformToAreas(List<String> xpointers) { | |
| 354 | |
| 355 JSONArray ja = new JSONArray(); | |
| 356 | |
| 4 | 357 Pattern rg = Pattern.compile("xywh=(\\w*:)([\\d\\.]+),([\\d\\.]+),([\\d\\.]+),([\\d\\.]+)"); |
| 3 | 358 |
| 359 try { | |
| 360 for (String xpointer : xpointers) { | |
| 10 | 361 // String decoded = URLDecoder.decode(xpointer, "utf-8"); |
| 5 | 362 String decoded = xpointer; |
| 3 | 363 Matcher m = rg.matcher(decoded); |
| 364 | |
| 365 if (m.find()) { | |
| 366 { | |
| 367 JSONObject jo = new JSONObject(); | |
| 10 | 368 @SuppressWarnings("unused") |
| 3 | 369 String unit = m.group(1); |
| 370 jo.put("x", m.group(2)); | |
| 371 jo.put("y", m.group(3)); | |
| 372 jo.put("width", m.group(4)); | |
| 373 jo.put("height", m.group(5)); | |
| 374 ja.put(jo); | |
| 375 } | |
| 376 } | |
| 377 } | |
| 378 } catch (JSONException e) { | |
| 379 // TODO Auto-generated catch block | |
| 380 e.printStackTrace(); | |
| 381 } | |
| 382 return ja; | |
| 383 } | |
| 384 | |
| 5 | 385 protected String parseArea(JSONObject area) throws JSONException { |
| 4 | 386 String x = area.getString("x"); |
| 387 String y = area.getString("y"); | |
| 388 String width = "0"; | |
| 389 String height = "0"; | |
| 390 if (area.has("width")) { | |
| 391 width = area.getString("width"); | |
| 392 height = area.getString("height"); | |
| 393 } | |
| 5 | 394 String fragment = String.format("xywh=fraction:%s,%s,%s,%s", x, y, width, height); |
| 4 | 395 return fragment; |
| 396 } | |
| 397 | |
| 5 | 398 protected String parseRange(JSONObject range) throws JSONException { |
| 4 | 399 String start = range.getString("start"); |
| 400 String end = range.getString("end"); | |
| 401 String startOffset = range.getString("startOffset"); | |
| 402 String endOffset = range.getString("endOffset"); | |
| 403 | |
| 5 | 404 String fragment = String.format( |
| 4 | 405 "xpointer(start-point(string-range(\"%s\",%s,1))/range-to(end-point(string-range(\"%s\",%s,1))))", start, |
| 5 | 406 startOffset, end, endOffset); |
| 4 | 407 return fragment; |
| 408 } | |
| 409 | |
| 3 | 410 /** |
| 5 | 411 * Creates an Annotation object with data from JSON. |
| 3 | 412 * |
| 4 | 413 * uses the specification from the annotator project: {@link https |
| 414 * ://github.com/okfn/annotator/wiki/Annotation-format} | |
| 3 | 415 * |
| 4 | 416 * The username will be transformed to an URI if not given already as URI, |
| 417 * if not it will set to the MPIWG namespace defined in | |
| 3 | 418 * de.mpiwg.itgroup.annotationManager.Constants.NS |
| 419 * | |
| 420 * @param jo | |
| 421 * @return | |
| 422 * @throws JSONException | |
| 4 | 423 * @throws UnsupportedEncodingException |
| 3 | 424 */ |
| 4 | 425 public Annotation createAnnotation(JSONObject jo, Representation entity) throws JSONException, UnsupportedEncodingException { |
| 3 | 426 return updateAnnotation(new Annotation(), jo, entity); |
| 427 } | |
| 428 | |
| 5 | 429 /** |
| 430 * Updates an Annotation object with data from JSON. | |
| 431 * | |
| 432 * uses the specification from the annotator project: {@link https | |
| 433 * ://github.com/okfn/annotator/wiki/Annotation-format} | |
| 434 * | |
| 435 * The username will be transformed to an URI if not given already as URI, | |
| 436 * if not it will set to the MPIWG namespace defined in | |
| 437 * de.mpiwg.itgroup.annotationManager.Constants.NS | |
| 438 * | |
| 439 * @param annot | |
| 440 * @param jo | |
| 441 * @return | |
| 442 * @throws JSONException | |
| 443 * @throws UnsupportedEncodingException | |
| 444 */ | |
| 4 | 445 public Annotation updateAnnotation(Annotation annot, JSONObject jo, Representation entity) throws JSONException, |
| 446 UnsupportedEncodingException { | |
| 16 | 447 /* |
| 448 * target uri | |
| 449 */ | |
| 3 | 450 if (jo.has("uri")) { |
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451 annot.setTarget(new Target(jo.getString("uri"))); |
| 3 | 452 } |
| 16 | 453 /* |
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454 * resource uri |
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455 */ |
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456 if (jo.has("resource")) { |
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457 annot.setResource(new Resource(jo.getString("resource"))); |
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458 } |
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459 /* |
| 16 | 460 * annotation text |
| 461 */ | |
| 3 | 462 if (jo.has("text")) { |
| 4 | 463 annot.setBodyText(jo.getString("text")); |
| 3 | 464 } |
| 16 | 465 /* |
| 466 * check authentication | |
| 467 */ | |
| 3 | 468 String authUser = checkAuthToken(entity); |
| 469 if (authUser == null) { | |
| 4 | 470 /* |
| 471 * // try http auth User httpUser = getHttpAuthUser(entity); if | |
| 472 * (httpUser == null) { | |
| 473 */ | |
| 474 setStatus(Status.CLIENT_ERROR_FORBIDDEN); | |
| 475 return null; | |
| 476 /* | |
| 477 * } authUser = httpUser.getIdentifier(); | |
| 478 */ | |
| 3 | 479 } |
| 16 | 480 /* |
| 481 * get or create creator object | |
| 482 */ | |
| 9 | 483 Actor creator = annot.getCreator(); |
| 484 if (creator == null) { | |
| 10 | 485 creator = new Person(); |
| 9 | 486 annot.setCreator(creator); |
| 487 } | |
| 3 | 488 // username not required, if no username given authuser will be used |
| 489 String username = null; | |
| 10 | 490 String userUri = creator.getUri(); |
| 3 | 491 if (jo.has("user")) { |
| 492 if (jo.get("user") instanceof String) { | |
| 493 // user is just a String | |
| 494 username = jo.getString("user"); | |
| 10 | 495 creator.setId(username); |
| 3 | 496 // TODO: what if username and authUser are different? |
| 497 } else { | |
| 498 // user is an object | |
| 499 JSONObject user = jo.getJSONObject("user"); | |
| 500 if (user.has("id")) { | |
| 10 | 501 String id = user.getString("id"); |
| 502 creator.setId(id); | |
| 503 username = id; | |
| 3 | 504 } |
| 505 if (user.has("uri")) { | |
| 506 userUri = user.getString("uri"); | |
| 507 } | |
| 508 } | |
| 509 } | |
| 510 if (username == null) { | |
| 511 username = authUser; | |
| 512 } | |
| 5 | 513 // try to get full name |
| 9 | 514 if (creator.getName() == null && username != null) { |
| 18 | 515 BaseRestlet restServer = (BaseRestlet) getApplication(); |
| 5 | 516 String fullName = restServer.getFullNameFromLdap(username); |
| 9 | 517 creator.setName(fullName); |
| 5 | 518 } |
| 519 // userUri should be a URI, if not it will set to the MPIWG namespace | |
| 3 | 520 if (userUri == null) { |
| 521 if (username.startsWith("http")) { | |
| 522 userUri = username; | |
| 523 } else { | |
| 524 userUri = NS.MPIWG_PERSONS_URL + username; | |
| 525 } | |
| 526 } | |
| 527 // TODO: should we overwrite the creator? | |
| 9 | 528 if (creator.getUri() == null) { |
| 529 creator.setUri(userUri); | |
| 5 | 530 } |
| 16 | 531 /* |
| 532 * creation date | |
| 533 */ | |
| 5 | 534 if (annot.getCreated() == null) { |
| 535 // set creation date | |
| 536 SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'"); | |
| 537 String ct = format.format(Calendar.getInstance().getTime()); | |
| 538 annot.setCreated(ct); | |
| 539 } | |
| 3 | 540 |
| 16 | 541 /* |
| 542 * create xpointer from the first range/area | |
| 543 */ | |
| 52 | 544 try { |
| 545 if (jo.has("ranges")) { | |
| 546 JSONObject ranges = jo.getJSONArray("ranges").getJSONObject(0); | |
| 547 annot.setFragmentType(FragmentTypes.XPOINTER); | |
| 548 String fragment = parseRange(ranges); | |
| 549 annot.setTargetFragment(fragment); | |
| 550 } | |
| 551 } catch (JSONException e) { | |
| 552 // nothing to do | |
| 3 | 553 } |
| 52 | 554 try { |
| 555 if (jo.has("areas")) { | |
| 556 JSONObject area = jo.getJSONArray("areas").getJSONObject(0); | |
| 557 annot.setFragmentType(FragmentTypes.AREA); | |
| 558 String fragment = parseArea(area); | |
| 559 annot.setTargetFragment(fragment); | |
| 560 } | |
| 561 } catch (JSONException e) { | |
| 562 // nothing to do | |
| 3 | 563 } |
| 10 | 564 |
| 16 | 565 /* |
| 566 * permissions | |
| 567 */ | |
| 10 | 568 if (jo.has("permissions")) { |
| 569 JSONObject permissions = jo.getJSONObject("permissions"); | |
| 570 if (permissions.has("admin")) { | |
| 571 JSONArray perms = permissions.getJSONArray("admin"); | |
| 572 Actor actor = getActorFromPermissions(perms); | |
| 573 annot.setAdminPermission(actor); | |
| 574 } | |
| 575 if (permissions.has("delete")) { | |
| 576 JSONArray perms = permissions.getJSONArray("delete"); | |
| 577 Actor actor = getActorFromPermissions(perms); | |
| 578 annot.setDeletePermission(actor); | |
| 579 } | |
| 580 if (permissions.has("update")) { | |
| 581 JSONArray perms = permissions.getJSONArray("update"); | |
| 582 Actor actor = getActorFromPermissions(perms); | |
| 583 annot.setUpdatePermission(actor); | |
| 584 } | |
| 585 if (permissions.has("read")) { | |
| 586 JSONArray perms = permissions.getJSONArray("read"); | |
| 587 Actor actor = getActorFromPermissions(perms); | |
| 588 annot.setReadPermission(actor); | |
| 589 } | |
| 590 } | |
| 591 | |
| 16 | 592 /* |
| 593 * tags | |
| 594 */ | |
| 595 if (jo.has("tags")) { | |
| 596 HashSet<String> tagset = new HashSet<String>(); | |
| 597 JSONArray tags = jo.getJSONArray("tags"); | |
| 598 for (int i = 0; i < tags.length(); ++i) { | |
| 599 tagset.add(tags.getString(i)); | |
| 600 } | |
| 601 annot.setTags(tagset); | |
| 602 } | |
| 603 | |
| 604 | |
| 4 | 605 return annot; |
| 3 | 606 } |
| 607 | |
| 15 | 608 @SuppressWarnings("unused") // i in for loop |
| 10 | 609 protected Actor getActorFromPermissions(JSONArray perms) throws JSONException { |
| 610 Actor actor = null; | |
| 611 for (int i = 0; i < perms.length(); ++i) { | |
| 612 String perm = perms.getString(i); | |
| 613 if (perm.toLowerCase().startsWith("group:")) { | |
| 614 String groupId = perm.substring(6); | |
| 615 actor = new Group(groupId); | |
| 616 } else { | |
| 617 actor = new Person(perm); | |
| 618 } | |
| 619 // we just take the first one | |
| 620 break; | |
| 621 } | |
| 622 return actor; | |
| 623 } | |
| 624 | |
| 3 | 625 } |