1
22
23 package com.liferay.documentlibrary.util;
24
25 import com.liferay.documentlibrary.NoSuchFileException;
26 import com.liferay.portal.PortalException;
27 import com.liferay.portal.SystemException;
28 import com.liferay.portal.kernel.search.Document;
29 import com.liferay.portal.kernel.search.Field;
30 import com.liferay.portal.kernel.search.SearchEngineUtil;
31 import com.liferay.portal.kernel.search.SearchException;
32 import com.liferay.portal.kernel.util.FileUtil;
33 import com.liferay.portal.kernel.util.GetterUtil;
34 import com.liferay.portal.kernel.util.StringPool;
35 import com.liferay.portal.kernel.util.Validator;
36 import com.liferay.portal.util.PropsKeys;
37 import com.liferay.portal.util.PropsUtil;
38 import com.liferay.util.SystemProperties;
39 import com.liferay.util.servlet.ServletResponseUtil;
40
41 import java.io.File;
42 import java.io.FileInputStream;
43 import java.io.IOException;
44 import java.io.InputStream;
45
46 import java.util.ArrayList;
47 import java.util.Arrays;
48 import java.util.HashSet;
49 import java.util.Iterator;
50 import java.util.List;
51 import java.util.Set;
52
53 import org.apache.commons.id.uuid.UUID;
54 import org.apache.commons.logging.Log;
55 import org.apache.commons.logging.LogFactory;
56
57 import org.jets3t.service.S3Service;
58 import org.jets3t.service.S3ServiceException;
59 import org.jets3t.service.impl.rest.httpclient.RestS3Service;
60 import org.jets3t.service.model.S3Bucket;
61 import org.jets3t.service.model.S3Object;
62 import org.jets3t.service.security.AWSCredentials;
63
64
71 public class S3Hook extends BaseHook {
72
73 public S3Hook() {
74 try {
75 _s3Service = getS3Service();
76 _s3Bucket = getS3Bucket();
77 }
78 catch (S3ServiceException s3se) {
79 _log.error(s3se.getMessage());
80 }
81 }
82
83 public void addDirectory(
84 long companyId, long repositoryId, String dirName) {
85 }
86
87 public void addFile(
88 long companyId, String portletId, long groupId, long repositoryId,
89 String fileName, String properties, String[] tagsEntries,
90 InputStream is)
91 throws SystemException {
92
93 try {
94 S3Object s3Object = new S3Object(
95 _s3Bucket,
96 getKey(companyId, repositoryId, fileName, DEFAULT_VERSION));
97
98 s3Object.setDataInputStream(is);
99
100 _s3Service.putObject(_s3Bucket, s3Object);
101
102 Indexer.addFile(
103 companyId, portletId, groupId, repositoryId, fileName,
104 properties, tagsEntries);
105 }
106 catch (S3ServiceException s3se) {
107 throw new SystemException(s3se);
108 }
109 catch (SearchException se) {
110 throw new SystemException(se);
111 }
112 }
113
114 public void checkRoot(long companyId) {
115 }
116
117 public void deleteDirectory(
118 long companyId, String portletId, long repositoryId, String dirName)
119 throws SystemException {
120
121 try {
122 S3Object[] s3Objects = _s3Service.listObjects(
123 _s3Bucket, getKey(companyId, repositoryId, dirName), null);
124
125 for (int i = 0; i < s3Objects.length; i++) {
126 S3Object s3Object = s3Objects[i];
127
128 _s3Service.deleteObject(_s3Bucket, s3Object.getKey());
129 }
130 }
131 catch (S3ServiceException s3se) {
132 throw new SystemException(s3se);
133 }
134 }
135
136 public void deleteFile(
137 long companyId, String portletId, long repositoryId,
138 String fileName)
139 throws SystemException {
140
141 try {
142 S3Object[] s3Objects = _s3Service.listObjects(
143 _s3Bucket, getKey(companyId, repositoryId, fileName), null);
144
145 for (int i = 0; i < s3Objects.length; i++) {
146 S3Object s3Object = s3Objects[i];
147
148 _s3Service.deleteObject(_s3Bucket, s3Object.getKey());
149 }
150
151 Indexer.deleteFile(companyId, portletId, repositoryId, fileName);
152 }
153 catch (S3ServiceException s3se) {
154 throw new SystemException(s3se);
155 }
156 catch (SearchException se) {
157 throw new SystemException(se);
158 }
159 }
160
161 public void deleteFile(
162 long companyId, String portletId, long repositoryId,
163 String fileName, double versionNumber)
164 throws SystemException {
165
166 try {
167 _s3Service.deleteObject(
168 _s3Bucket,
169 getKey(companyId, repositoryId, fileName, versionNumber));
170 }
171 catch (S3ServiceException s3se) {
172 throw new SystemException(s3se);
173 }
174 }
175
176 public InputStream getFileAsStream(
177 long companyId, long repositoryId, String fileName,
178 double versionNumber)
179 throws PortalException, SystemException {
180
181 try {
182 if (versionNumber == 0) {
183 versionNumber = getHeadVersionNumber(
184 companyId, repositoryId, fileName);
185 }
186
187 S3Object s3Object = _s3Service.getObject(
188 _s3Bucket,
189 getKey(companyId, repositoryId, fileName, versionNumber));
190
191 return s3Object.getDataInputStream();
192 }
193 catch (S3ServiceException s3se) {
194 throw new SystemException(s3se);
195 }
196 }
197
198 public String[] getFileNames(
199 long companyId, long repositoryId, String dirName)
200 throws SystemException {
201
202 try {
203 List<String> list = new ArrayList<String>();
204
205 S3Object[] s3Objects = _s3Service.listObjects(
206 _s3Bucket, getKey(companyId, repositoryId, dirName), null);
207
208 for (int i = 0; i < s3Objects.length; i++) {
209 S3Object s3Object = s3Objects[i];
210
211
214 String key = s3Object.getKey();
215
216 int x = key.indexOf(StringPool.SLASH);
217
218 x = key.indexOf(StringPool.SLASH, x + 1);
219
220 int y = key.lastIndexOf(StringPool.SLASH);
221
222 list.add(key.substring(x, y));
223 }
224
225 return list.toArray(new String[list.size()]);
226 }
227 catch (S3ServiceException s3se) {
228 throw new SystemException(s3se);
229 }
230 }
231
232 public long getFileSize(
233 long companyId, long repositoryId, String fileName)
234 throws PortalException, SystemException {
235
236 try {
237 double versionNumber = getHeadVersionNumber(
238 companyId, repositoryId, fileName);
239
240 S3Object objectDetails = _s3Service.getObjectDetails(
241 _s3Bucket,
242 getKey(companyId, repositoryId, fileName, versionNumber));
243
244 return objectDetails.getContentLength();
245 }
246 catch (S3ServiceException s3se) {
247 throw new SystemException(s3se);
248 }
249 }
250
251 public boolean hasFile(
252 long companyId, long repositoryId, String fileName,
253 double versionNumber)
254 throws SystemException {
255
256 try {
257 S3Object[] s3Objects = _s3Service.listObjects(
258 _s3Bucket,
259 getKey(companyId, repositoryId, fileName, versionNumber), null);
260
261 if (s3Objects.length == 0) {
262 return false;
263 }
264 else {
265 return true;
266 }
267 }
268 catch (S3ServiceException s3se) {
269 throw new SystemException(s3se);
270 }
271 }
272
273 public void move(String srcDir, String destDir) {
274 }
275
276 public void reIndex(String[] ids) throws SearchException {
277 long companyId = GetterUtil.getLong(ids[0]);
278 String portletId = ids[1];
279 long groupId = GetterUtil.getLong(ids[2]);
280 long repositoryId = GetterUtil.getLong(ids[3]);
281
282 try {
283 S3Object[] searchObjects = _s3Service.listObjects(
284 _s3Bucket, getKey(companyId, repositoryId), null);
285
286 Set<String> fileNameSet = new HashSet<String>();
287
288 for (int i = 0; i < searchObjects.length; i++) {
289 S3Object currentObject = searchObjects[i];
290
291 String fileName = getFileName(currentObject.getKey());
292
293 fileNameSet.add(fileName);
294 }
295
296 Iterator<String> itr = fileNameSet.iterator();
297
298 while (itr.hasNext()) {
299 String fileName = itr.next();
300
301 try {
302 Document doc = Indexer.getFileDocument(
303 companyId, portletId, groupId, repositoryId, fileName);
304
305 SearchEngineUtil.updateDocument(
306 companyId, doc.get(Field.UID), doc);
307 }
308 catch (Exception e) {
309 _log.error("Reindexing " + fileName, e);
310 }
311 }
312 }
313 catch (S3ServiceException s3se) {
314 throw new SearchException(s3se);
315 }
316 }
317
318 public void updateFile(
319 long companyId, String portletId, long groupId, long repositoryId,
320 String fileName, double versionNumber, String sourceFileName,
321 String properties, String[] tagsEntries, InputStream is)
322 throws SystemException {
323
324 try {
325 S3Object s3Object = new S3Object(
326 _s3Bucket,
327 getKey(companyId, repositoryId, fileName, versionNumber));
328
329 s3Object.setDataInputStream(is);
330
331 _s3Service.putObject(_s3Bucket, s3Object);
332
333 Indexer.updateFile(
334 companyId, portletId, groupId, repositoryId, fileName,
335 properties, tagsEntries);
336 }
337 catch (S3ServiceException s3se) {
338 throw new SystemException(s3se);
339 }
340 catch (SearchException se) {
341 throw new SystemException(se);
342 }
343 }
344
345 public void updateFile(
346 long companyId, String portletId, long groupId, long repositoryId,
347 long newRepositoryId, String fileName)
348 throws PortalException, SystemException {
349
350 try {
351 S3Object[] s3Objects = _s3Service.listObjects(
352 _s3Bucket, getKey(companyId, repositoryId, fileName), null);
353
354 for (int i = 0; i < s3Objects.length; i++) {
355 S3Object oldS3Object = s3Objects[i];
356
357 String oldKey = oldS3Object.getKey();
358
359 oldS3Object = _s3Service.getObject(_s3Bucket, oldKey);
360
361 File tempFile = new File(
362 SystemProperties.get(SystemProperties.TMP_DIR) +
363 File.separator + UUID.timeUUID());
364
365 InputStream is = null;
366
367 try {
368 is = oldS3Object.getDataInputStream();
369
370 FileUtil.write(tempFile, is);
371 }
372 catch (Exception e) {
373 }
374 finally {
375 ServletResponseUtil.cleanUp(is);
376 }
377
378 is = new FileInputStream(tempFile);
379
380 String newPrefix = getKey(companyId, newRepositoryId);
381
382 int x = oldKey.indexOf(StringPool.SLASH);
383
384 x = oldKey.indexOf(StringPool.SLASH, x + 1);
385
386 String newKey =
387 newPrefix + oldKey.substring(x + 1, oldKey.length());
388
389 S3Object newS3Object = new S3Object(
390 _s3Bucket, newKey);
391
392 newS3Object.setDataInputStream(is);
393
394 _s3Service.putObject(_s3Bucket, newS3Object);
395 _s3Service.deleteObject(_s3Bucket, oldKey);
396
397 FileUtil.delete(tempFile);
398 }
399
400 Indexer.deleteFile(
401 companyId, portletId, repositoryId, fileName);
402
403 Indexer.addFile(
404 companyId, portletId, groupId, newRepositoryId, fileName);
405 }
406 catch (IOException ioe) {
407 throw new SystemException(ioe);
408 }
409 catch (S3ServiceException s3se) {
410 throw new SystemException(s3se);
411 }
412 }
413
414 protected AWSCredentials getAWSCredentials() throws S3ServiceException {
415 if (Validator.isNull(_ACCESS_KEY) || Validator.isNull(_SECRET_KEY)) {
416 throw new S3ServiceException(
417 "S3 access and secret keys are not set");
418 }
419 else {
420 return new AWSCredentials(_ACCESS_KEY, _SECRET_KEY);
421 }
422 }
423
424 protected String getFileName(String key) {
425 int x = key.indexOf(StringPool.SLASH);
426
427 x = key.indexOf(StringPool.SLASH, x + 1);
428
429 int y = key.lastIndexOf(StringPool.SLASH);
430
431 return key.substring(x + 1, y);
432 }
433
434 protected double getHeadVersionNumber(
435 long companyId, long repositoryId, String fileName)
436 throws PortalException, S3ServiceException {
437
438 S3Object[] s3Objects = _s3Service.listObjects(
439 _s3Bucket, getKey(companyId, repositoryId, fileName), null);
440
441 String[] keys = new String[s3Objects.length];
442
443 for (int i = 0; i < s3Objects.length; i++) {
444 S3Object s3Object = s3Objects[i];
445
446 keys[i] = s3Object.getKey();
447 }
448
449 if (keys.length > 0) {
450 Arrays.sort(keys);
451
452 String headKey = keys[keys.length - 1];
453
454 int x = headKey.lastIndexOf(StringPool.SLASH);
455
456 return GetterUtil.getDouble(
457 headKey.substring(x + 1, headKey.length()));
458 }
459 else {
460 throw new NoSuchFileException(fileName);
461 }
462 }
463
464 protected String getKey(long companyId, long repositoryId) {
465 StringBuilder sb = new StringBuilder();
466
467 sb.append(companyId);
468 sb.append(StringPool.SLASH);
469 sb.append(repositoryId);
470 sb.append(StringPool.SLASH);
471
472 return sb.toString();
473 }
474
475 protected String getKey(
476 long companyId, long repositoryId, String fileName) {
477
478 StringBuilder sb = new StringBuilder();
479
480 sb.append(companyId);
481 sb.append(StringPool.SLASH);
482 sb.append(repositoryId);
483 sb.append(StringPool.SLASH);
484 sb.append(fileName);
485 sb.append(StringPool.SLASH);
486
487 return sb.toString();
488 }
489
490 protected String getKey(
491 long companyId, long repositoryId, String fileName,
492 double versionNumber) {
493
494 StringBuilder sb = new StringBuilder();
495
496 sb.append(companyId);
497 sb.append(StringPool.SLASH);
498 sb.append(repositoryId);
499 sb.append(StringPool.SLASH);
500 sb.append(fileName);
501 sb.append(StringPool.SLASH);
502 sb.append(versionNumber);
503
504 return sb.toString();
505 }
506
507 protected S3Bucket getS3Bucket() throws S3ServiceException {
508 if (Validator.isNull(_BUCKET_NAME)) {
509 throw new S3ServiceException("S3 bucket name is not set");
510 }
511 else {
512 return getS3Service().createBucket(_BUCKET_NAME);
513 }
514 }
515
516 protected S3Service getS3Service() throws S3ServiceException {
517 AWSCredentials credentials = getAWSCredentials();
518
519 return new RestS3Service(credentials);
520 }
521
522 private static final String _ACCESS_KEY = PropsUtil.get(
523 PropsKeys.DL_HOOK_S3_ACCESS_KEY);
524
525 private static final String _SECRET_KEY = PropsUtil.get(
526 PropsKeys.DL_HOOK_S3_SECRET_KEY);
527
528 private static final String _BUCKET_NAME = PropsUtil.get(
529 PropsKeys.DL_HOOK_S3_BUCKET_NAME);
530
531 private static Log _log = LogFactory.getLog(S3Hook.class);
532
533 private S3Bucket _s3Bucket;
534 private S3Service _s3Service;
535
536 }