1
19
20 package com.liferay.documentlibrary.util;
21
22 import com.liferay.documentlibrary.NoSuchFileException;
23 import com.liferay.portal.PortalException;
24 import com.liferay.portal.SystemException;
25 import com.liferay.portal.kernel.log.Log;
26 import com.liferay.portal.kernel.log.LogFactoryUtil;
27 import com.liferay.portal.kernel.search.Document;
28 import com.liferay.portal.kernel.search.Field;
29 import com.liferay.portal.kernel.search.SearchEngineUtil;
30 import com.liferay.portal.kernel.search.SearchException;
31 import com.liferay.portal.kernel.util.FileUtil;
32 import com.liferay.portal.kernel.util.GetterUtil;
33 import com.liferay.portal.kernel.util.StringPool;
34 import com.liferay.portal.kernel.util.Validator;
35 import com.liferay.portal.util.PropsKeys;
36 import com.liferay.portal.util.PropsUtil;
37 import com.liferay.util.SystemProperties;
38 import com.liferay.util.servlet.ServletResponseUtil;
39
40 import java.io.File;
41 import java.io.FileInputStream;
42 import java.io.IOException;
43 import java.io.InputStream;
44
45 import java.util.ArrayList;
46 import java.util.Arrays;
47 import java.util.Date;
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
55 import org.jets3t.service.S3Service;
56 import org.jets3t.service.S3ServiceException;
57 import org.jets3t.service.impl.rest.httpclient.RestS3Service;
58 import org.jets3t.service.model.S3Bucket;
59 import org.jets3t.service.model.S3Object;
60 import org.jets3t.service.security.AWSCredentials;
61
62
69 public class S3Hook extends BaseHook {
70
71 public S3Hook() {
72 try {
73 _s3Service = getS3Service();
74 _s3Bucket = getS3Bucket();
75 }
76 catch (S3ServiceException s3se) {
77 _log.error(s3se.getMessage());
78 }
79 }
80
81 public void addDirectory(
82 long companyId, long repositoryId, String dirName) {
83 }
84
85 public void addFile(
86 long companyId, String portletId, long groupId, long repositoryId,
87 String fileName, long fileEntryId, String properties,
88 Date modifiedDate, String[] tagsCategories, String[] tagsEntries,
89 InputStream is)
90 throws SystemException {
91
92 try {
93 S3Object s3Object = new S3Object(
94 _s3Bucket,
95 getKey(companyId, repositoryId, fileName, DEFAULT_VERSION));
96
97 s3Object.setDataInputStream(is);
98
99 _s3Service.putObject(_s3Bucket, s3Object);
100
101 Indexer.addFile(
102 companyId, portletId, groupId, repositoryId, fileName,
103 fileEntryId, properties, modifiedDate, tagsCategories,
104 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 long fileEntryId, String properties, Date modifiedDate,
322 String[] tagsCategories, String[] tagsEntries, InputStream is)
323 throws SystemException {
324
325 try {
326 S3Object s3Object = new S3Object(
327 _s3Bucket,
328 getKey(companyId, repositoryId, fileName, versionNumber));
329
330 s3Object.setDataInputStream(is);
331
332 _s3Service.putObject(_s3Bucket, s3Object);
333
334 Indexer.updateFile(
335 companyId, portletId, groupId, repositoryId, fileName,
336 fileEntryId, properties, modifiedDate, tagsCategories,
337 tagsEntries);
338 }
339 catch (S3ServiceException s3se) {
340 throw new SystemException(s3se);
341 }
342 catch (SearchException se) {
343 throw new SystemException(se);
344 }
345 }
346
347 public void updateFile(
348 long companyId, String portletId, long groupId, long repositoryId,
349 long newRepositoryId, String fileName, long fileEntryId)
350 throws PortalException, SystemException {
351
352 try {
353 S3Object[] s3Objects = _s3Service.listObjects(
354 _s3Bucket, getKey(companyId, repositoryId, fileName), null);
355
356 for (int i = 0; i < s3Objects.length; i++) {
357 S3Object oldS3Object = s3Objects[i];
358
359 String oldKey = oldS3Object.getKey();
360
361 oldS3Object = _s3Service.getObject(_s3Bucket, oldKey);
362
363 File tempFile = new File(
364 SystemProperties.get(SystemProperties.TMP_DIR) +
365 File.separator + UUID.timeUUID());
366
367 InputStream is = null;
368
369 try {
370 is = oldS3Object.getDataInputStream();
371
372 FileUtil.write(tempFile, is);
373 }
374 catch (Exception e) {
375 }
376 finally {
377 ServletResponseUtil.cleanUp(is);
378 }
379
380 is = new FileInputStream(tempFile);
381
382 String newPrefix = getKey(companyId, newRepositoryId);
383
384 int x = oldKey.indexOf(StringPool.SLASH);
385
386 x = oldKey.indexOf(StringPool.SLASH, x + 1);
387
388 String newKey =
389 newPrefix + oldKey.substring(x + 1, oldKey.length());
390
391 S3Object newS3Object = new S3Object(
392 _s3Bucket, newKey);
393
394 newS3Object.setDataInputStream(is);
395
396 _s3Service.putObject(_s3Bucket, newS3Object);
397 _s3Service.deleteObject(_s3Bucket, oldKey);
398
399 FileUtil.delete(tempFile);
400 }
401
402 Indexer.deleteFile(
403 companyId, portletId, repositoryId, fileName);
404
405 Indexer.addFile(
406 companyId, portletId, groupId, newRepositoryId, fileName);
407 }
408 catch (IOException ioe) {
409 throw new SystemException(ioe);
410 }
411 catch (S3ServiceException s3se) {
412 throw new SystemException(s3se);
413 }
414 }
415
416 protected AWSCredentials getAWSCredentials() throws S3ServiceException {
417 if (Validator.isNull(_ACCESS_KEY) || Validator.isNull(_SECRET_KEY)) {
418 throw new S3ServiceException(
419 "S3 access and secret keys are not set");
420 }
421 else {
422 return new AWSCredentials(_ACCESS_KEY, _SECRET_KEY);
423 }
424 }
425
426 protected String getFileName(String key) {
427 int x = key.indexOf(StringPool.SLASH);
428
429 x = key.indexOf(StringPool.SLASH, x + 1);
430
431 int y = key.lastIndexOf(StringPool.SLASH);
432
433 return key.substring(x + 1, y);
434 }
435
436 protected double getHeadVersionNumber(
437 long companyId, long repositoryId, String fileName)
438 throws PortalException, S3ServiceException {
439
440 S3Object[] s3Objects = _s3Service.listObjects(
441 _s3Bucket, getKey(companyId, repositoryId, fileName), null);
442
443 String[] keys = new String[s3Objects.length];
444
445 for (int i = 0; i < s3Objects.length; i++) {
446 S3Object s3Object = s3Objects[i];
447
448 keys[i] = s3Object.getKey();
449 }
450
451 if (keys.length > 0) {
452 Arrays.sort(keys);
453
454 String headKey = keys[keys.length - 1];
455
456 int x = headKey.lastIndexOf(StringPool.SLASH);
457
458 return GetterUtil.getDouble(
459 headKey.substring(x + 1, headKey.length()));
460 }
461 else {
462 throw new NoSuchFileException(fileName);
463 }
464 }
465
466 protected String getKey(long companyId, long repositoryId) {
467 StringBuilder sb = new StringBuilder();
468
469 sb.append(companyId);
470 sb.append(StringPool.SLASH);
471 sb.append(repositoryId);
472 sb.append(StringPool.SLASH);
473
474 return sb.toString();
475 }
476
477 protected String getKey(
478 long companyId, long repositoryId, String fileName) {
479
480 StringBuilder sb = new StringBuilder();
481
482 sb.append(companyId);
483 sb.append(StringPool.SLASH);
484 sb.append(repositoryId);
485 sb.append(StringPool.SLASH);
486 sb.append(fileName);
487 sb.append(StringPool.SLASH);
488
489 return sb.toString();
490 }
491
492 protected String getKey(
493 long companyId, long repositoryId, String fileName,
494 double versionNumber) {
495
496 StringBuilder sb = new StringBuilder();
497
498 sb.append(companyId);
499 sb.append(StringPool.SLASH);
500 sb.append(repositoryId);
501 sb.append(StringPool.SLASH);
502 sb.append(fileName);
503 sb.append(StringPool.SLASH);
504 sb.append(versionNumber);
505
506 return sb.toString();
507 }
508
509 protected S3Bucket getS3Bucket() throws S3ServiceException {
510 if (Validator.isNull(_BUCKET_NAME)) {
511 throw new S3ServiceException("S3 bucket name is not set");
512 }
513 else {
514 return getS3Service().createBucket(_BUCKET_NAME);
515 }
516 }
517
518 protected S3Service getS3Service() throws S3ServiceException {
519 AWSCredentials credentials = getAWSCredentials();
520
521 return new RestS3Service(credentials);
522 }
523
524 private static final String _ACCESS_KEY = PropsUtil.get(
525 PropsKeys.DL_HOOK_S3_ACCESS_KEY);
526
527 private static final String _SECRET_KEY = PropsUtil.get(
528 PropsKeys.DL_HOOK_S3_SECRET_KEY);
529
530 private static final String _BUCKET_NAME = PropsUtil.get(
531 PropsKeys.DL_HOOK_S3_BUCKET_NAME);
532
533 private static Log _log = LogFactoryUtil.getLog(S3Hook.class);
534
535 private S3Bucket _s3Bucket;
536 private S3Service _s3Service;
537
538 }