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336a28fa A |
1 | <?php |
2 | ||
efb7d21b | 3 | declare(strict_types=1); |
336a28fa A |
4 | |
5 | namespace Shaarli\Bookmark; | |
6 | ||
efb7d21b | 7 | use DateTime; |
336a28fa | 8 | use Exception; |
fd1ddad9 | 9 | use malkusch\lock\mutex\Mutex; |
336a28fa | 10 | use Shaarli\Bookmark\Exception\BookmarkNotFoundException; |
d6e5f04d | 11 | use Shaarli\Bookmark\Exception\DatastoreNotInitializedException; |
336a28fa A |
12 | use Shaarli\Bookmark\Exception\EmptyDataStoreException; |
13 | use Shaarli\Config\ConfigManager; | |
a39acb25 | 14 | use Shaarli\Formatter\BookmarkMarkdownFormatter; |
336a28fa A |
15 | use Shaarli\History; |
16 | use Shaarli\Legacy\LegacyLinkDB; | |
17 | use Shaarli\Legacy\LegacyUpdater; | |
bcba6bd3 | 18 | use Shaarli\Plugin\PluginManager; |
b0428aa9 | 19 | use Shaarli\Render\PageCacheManager; |
336a28fa A |
20 | use Shaarli\Updater\UpdaterUtils; |
21 | ||
22 | /** | |
23 | * Class BookmarksService | |
24 | * | |
25 | * This is the entry point to manipulate the bookmark DB. | |
26 | * It manipulates loads links from a file data store containing all bookmarks. | |
27 | * | |
28 | * It also triggers the legacy format (bookmarks as arrays) migration. | |
29 | */ | |
30 | class BookmarkFileService implements BookmarkServiceInterface | |
31 | { | |
32 | /** @var Bookmark[] instance */ | |
33 | protected $bookmarks; | |
34 | ||
35 | /** @var BookmarkIO instance */ | |
36 | protected $bookmarksIO; | |
37 | ||
38 | /** @var BookmarkFilter */ | |
39 | protected $bookmarkFilter; | |
40 | ||
41 | /** @var ConfigManager instance */ | |
42 | protected $conf; | |
43 | ||
bcba6bd3 A |
44 | /** @var PluginManager */ |
45 | protected $pluginManager; | |
46 | ||
336a28fa A |
47 | /** @var History instance */ |
48 | protected $history; | |
49 | ||
b0428aa9 A |
50 | /** @var PageCacheManager instance */ |
51 | protected $pageCacheManager; | |
52 | ||
336a28fa A |
53 | /** @var bool true for logged in users. Default value to retrieve private bookmarks. */ |
54 | protected $isLoggedIn; | |
55 | ||
fd1ddad9 A |
56 | /** @var Mutex */ |
57 | protected $mutex; | |
58 | ||
336a28fa A |
59 | /** |
60 | * @inheritDoc | |
61 | */ | |
9b8c0a45 A |
62 | public function __construct( |
63 | ConfigManager $conf, | |
bcba6bd3 | 64 | PluginManager $pluginManager, |
9b8c0a45 A |
65 | History $history, |
66 | Mutex $mutex, | |
67 | bool $isLoggedIn | |
68 | ) { | |
336a28fa A |
69 | $this->conf = $conf; |
70 | $this->history = $history; | |
fd1ddad9 | 71 | $this->mutex = $mutex; |
c4d5be53 | 72 | $this->pageCacheManager = new PageCacheManager($this->conf->get('resource.page_cache'), $isLoggedIn); |
fd1ddad9 | 73 | $this->bookmarksIO = new BookmarkIO($this->conf, $this->mutex); |
336a28fa A |
74 | $this->isLoggedIn = $isLoggedIn; |
75 | ||
76 | if (!$this->isLoggedIn && $this->conf->get('privacy.hide_public_links', false)) { | |
77 | $this->bookmarks = []; | |
78 | } else { | |
79 | try { | |
80 | $this->bookmarks = $this->bookmarksIO->read(); | |
53054b2b | 81 | } catch (EmptyDataStoreException | DatastoreNotInitializedException $e) { |
336a28fa | 82 | $this->bookmarks = new BookmarkArray(); |
d6e5f04d | 83 | |
c4ad3d4f | 84 | if ($this->isLoggedIn) { |
d6e5f04d A |
85 | // Datastore file does not exists, we initialize it with default bookmarks. |
86 | if ($e instanceof DatastoreNotInitializedException) { | |
87 | $this->initialize(); | |
88 | } else { | |
89 | $this->save(); | |
90 | } | |
336a28fa A |
91 | } |
92 | } | |
93 | ||
94 | if (! $this->bookmarks instanceof BookmarkArray) { | |
95 | $this->migrate(); | |
96 | exit( | |
53054b2b | 97 | 'Your data store has been migrated, please reload the page.' . PHP_EOL . |
336a28fa A |
98 | 'If this message keeps showing up, please delete data/updates.txt file.' |
99 | ); | |
100 | } | |
101 | } | |
102 | ||
bcba6bd3 A |
103 | $this->pluginManager = $pluginManager; |
104 | $this->bookmarkFilter = new BookmarkFilter($this->bookmarks, $this->conf, $this->pluginManager); | |
336a28fa A |
105 | } |
106 | ||
107 | /** | |
108 | * @inheritDoc | |
109 | */ | |
9c04921a | 110 | public function findByHash(string $hash, string $privateKey = null): Bookmark |
336a28fa A |
111 | { |
112 | $bookmark = $this->bookmarkFilter->filter(BookmarkFilter::$FILTER_HASH, $hash); | |
113 | // PHP 7.3 introduced array_key_first() to avoid this hack | |
114 | $first = reset($bookmark); | |
53054b2b A |
115 | if ( |
116 | !$this->isLoggedIn | |
9c04921a A |
117 | && $first->isPrivate() |
118 | && (empty($privateKey) || $privateKey !== $first->getAdditionalContentEntry('private_key')) | |
119 | ) { | |
156061d4 | 120 | throw new BookmarkNotFoundException(); |
336a28fa A |
121 | } |
122 | ||
1a8ac737 | 123 | return $first; |
336a28fa A |
124 | } |
125 | ||
126 | /** | |
127 | * @inheritDoc | |
128 | */ | |
efb7d21b | 129 | public function findByUrl(string $url): ?Bookmark |
336a28fa A |
130 | { |
131 | return $this->bookmarks->getByUrl($url); | |
132 | } | |
133 | ||
134 | /** | |
135 | * @inheritDoc | |
136 | */ | |
a8e210fa | 137 | public function search( |
efb7d21b A |
138 | array $request = [], |
139 | string $visibility = null, | |
140 | bool $caseSensitive = false, | |
141 | bool $untaggedOnly = false, | |
9b8c0a45 A |
142 | bool $ignoreSticky = false, |
143 | array $pagination = [] | |
144 | ): SearchResult { | |
336a28fa A |
145 | if ($visibility === null) { |
146 | $visibility = $this->isLoggedIn ? BookmarkFilter::$ALL : BookmarkFilter::$PUBLIC; | |
147 | } | |
148 | ||
149 | // Filter bookmark database according to parameters. | |
efb7d21b A |
150 | $searchTags = isset($request['searchtags']) ? $request['searchtags'] : ''; |
151 | $searchTerm = isset($request['searchterm']) ? $request['searchterm'] : ''; | |
336a28fa | 152 | |
a8e210fa A |
153 | if ($ignoreSticky) { |
154 | $this->bookmarks->reorder('DESC', true); | |
155 | } | |
156 | ||
9b8c0a45 | 157 | $bookmarks = $this->bookmarkFilter->filter( |
336a28fa | 158 | BookmarkFilter::$FILTER_TAG | BookmarkFilter::$FILTER_TEXT, |
efb7d21b | 159 | [$searchTags, $searchTerm], |
336a28fa A |
160 | $caseSensitive, |
161 | $visibility, | |
162 | $untaggedOnly | |
163 | ); | |
9b8c0a45 A |
164 | |
165 | return SearchResult::getSearchResult( | |
166 | $bookmarks, | |
167 | $pagination['offset'] ?? 0, | |
168 | $pagination['limit'] ?? null, | |
169 | $pagination['allowOutOfBounds'] ?? false | |
170 | ); | |
336a28fa A |
171 | } |
172 | ||
173 | /** | |
174 | * @inheritDoc | |
175 | */ | |
efb7d21b | 176 | public function get(int $id, string $visibility = null): Bookmark |
336a28fa A |
177 | { |
178 | if (! isset($this->bookmarks[$id])) { | |
179 | throw new BookmarkNotFoundException(); | |
180 | } | |
181 | ||
182 | if ($visibility === null) { | |
a39acb25 | 183 | $visibility = $this->isLoggedIn ? BookmarkFilter::$ALL : BookmarkFilter::$PUBLIC; |
336a28fa A |
184 | } |
185 | ||
186 | $bookmark = $this->bookmarks[$id]; | |
53054b2b A |
187 | if ( |
188 | ($bookmark->isPrivate() && $visibility != 'all' && $visibility != 'private') | |
336a28fa A |
189 | || (! $bookmark->isPrivate() && $visibility != 'all' && $visibility != 'public') |
190 | ) { | |
191 | throw new Exception('Unauthorized'); | |
192 | } | |
193 | ||
194 | return $bookmark; | |
195 | } | |
196 | ||
197 | /** | |
198 | * @inheritDoc | |
199 | */ | |
efb7d21b | 200 | public function set(Bookmark $bookmark, bool $save = true): Bookmark |
336a28fa | 201 | { |
d6e5f04d | 202 | if (true !== $this->isLoggedIn) { |
336a28fa A |
203 | throw new Exception(t('You\'re not authorized to alter the datastore')); |
204 | } | |
336a28fa A |
205 | if (! isset($this->bookmarks[$bookmark->getId()])) { |
206 | throw new BookmarkNotFoundException(); | |
207 | } | |
208 | $bookmark->validate(); | |
209 | ||
efb7d21b | 210 | $bookmark->setUpdated(new DateTime()); |
336a28fa A |
211 | $this->bookmarks[$bookmark->getId()] = $bookmark; |
212 | if ($save === true) { | |
213 | $this->save(); | |
214 | $this->history->updateLink($bookmark); | |
215 | } | |
216 | return $this->bookmarks[$bookmark->getId()]; | |
217 | } | |
218 | ||
219 | /** | |
220 | * @inheritDoc | |
221 | */ | |
efb7d21b | 222 | public function add(Bookmark $bookmark, bool $save = true): Bookmark |
336a28fa | 223 | { |
d6e5f04d | 224 | if (true !== $this->isLoggedIn) { |
336a28fa A |
225 | throw new Exception(t('You\'re not authorized to alter the datastore')); |
226 | } | |
efb7d21b | 227 | if (!empty($bookmark->getId())) { |
336a28fa A |
228 | throw new Exception(t('This bookmarks already exists')); |
229 | } | |
230 | $bookmark->setId($this->bookmarks->getNextId()); | |
231 | $bookmark->validate(); | |
232 | ||
233 | $this->bookmarks[$bookmark->getId()] = $bookmark; | |
234 | if ($save === true) { | |
235 | $this->save(); | |
236 | $this->history->addLink($bookmark); | |
237 | } | |
238 | return $this->bookmarks[$bookmark->getId()]; | |
239 | } | |
240 | ||
241 | /** | |
242 | * @inheritDoc | |
243 | */ | |
efb7d21b | 244 | public function addOrSet(Bookmark $bookmark, bool $save = true): Bookmark |
336a28fa | 245 | { |
d6e5f04d | 246 | if (true !== $this->isLoggedIn) { |
336a28fa A |
247 | throw new Exception(t('You\'re not authorized to alter the datastore')); |
248 | } | |
336a28fa A |
249 | if ($bookmark->getId() === null) { |
250 | return $this->add($bookmark, $save); | |
251 | } | |
252 | return $this->set($bookmark, $save); | |
253 | } | |
254 | ||
255 | /** | |
256 | * @inheritDoc | |
257 | */ | |
efb7d21b | 258 | public function remove(Bookmark $bookmark, bool $save = true): void |
336a28fa | 259 | { |
d6e5f04d | 260 | if (true !== $this->isLoggedIn) { |
336a28fa A |
261 | throw new Exception(t('You\'re not authorized to alter the datastore')); |
262 | } | |
336a28fa A |
263 | if (! isset($this->bookmarks[$bookmark->getId()])) { |
264 | throw new BookmarkNotFoundException(); | |
265 | } | |
266 | ||
267 | unset($this->bookmarks[$bookmark->getId()]); | |
268 | if ($save === true) { | |
269 | $this->save(); | |
270 | $this->history->deleteLink($bookmark); | |
271 | } | |
272 | } | |
273 | ||
274 | /** | |
275 | * @inheritDoc | |
276 | */ | |
efb7d21b | 277 | public function exists(int $id, string $visibility = null): bool |
336a28fa A |
278 | { |
279 | if (! isset($this->bookmarks[$id])) { | |
280 | return false; | |
281 | } | |
282 | ||
283 | if ($visibility === null) { | |
284 | $visibility = $this->isLoggedIn ? 'all' : 'public'; | |
285 | } | |
286 | ||
287 | $bookmark = $this->bookmarks[$id]; | |
53054b2b A |
288 | if ( |
289 | ($bookmark->isPrivate() && $visibility != 'all' && $visibility != 'private') | |
336a28fa A |
290 | || (! $bookmark->isPrivate() && $visibility != 'all' && $visibility != 'public') |
291 | ) { | |
292 | return false; | |
293 | } | |
294 | ||
295 | return true; | |
296 | } | |
297 | ||
298 | /** | |
299 | * @inheritDoc | |
300 | */ | |
efb7d21b | 301 | public function count(string $visibility = null): int |
336a28fa | 302 | { |
9b8c0a45 | 303 | return $this->search([], $visibility)->getResultCount(); |
336a28fa A |
304 | } |
305 | ||
306 | /** | |
307 | * @inheritDoc | |
308 | */ | |
efb7d21b | 309 | public function save(): void |
336a28fa | 310 | { |
d6e5f04d | 311 | if (true !== $this->isLoggedIn) { |
336a28fa A |
312 | // TODO: raise an Exception instead |
313 | die('You are not authorized to change the database.'); | |
314 | } | |
c4ad3d4f | 315 | |
336a28fa A |
316 | $this->bookmarks->reorder(); |
317 | $this->bookmarksIO->write($this->bookmarks); | |
b0428aa9 | 318 | $this->pageCacheManager->invalidateCaches(); |
336a28fa A |
319 | } |
320 | ||
321 | /** | |
322 | * @inheritDoc | |
323 | */ | |
efb7d21b | 324 | public function bookmarksCountPerTag(array $filteringTags = [], string $visibility = null): array |
336a28fa | 325 | { |
9b8c0a45 | 326 | $searchResult = $this->search(['searchtags' => $filteringTags], $visibility); |
336a28fa A |
327 | $tags = []; |
328 | $caseMapping = []; | |
9b8c0a45 | 329 | foreach ($searchResult->getBookmarks() as $bookmark) { |
336a28fa | 330 | foreach ($bookmark->getTags() as $tag) { |
53054b2b A |
331 | if ( |
332 | empty($tag) | |
a39acb25 A |
333 | || (! $this->isLoggedIn && startsWith($tag, '.')) |
334 | || $tag === BookmarkMarkdownFormatter::NO_MD_TAG | |
c79473bd | 335 | || in_array($tag, $filteringTags, true) |
a39acb25 | 336 | ) { |
336a28fa A |
337 | continue; |
338 | } | |
a39acb25 | 339 | |
336a28fa A |
340 | // The first case found will be displayed. |
341 | if (!isset($caseMapping[strtolower($tag)])) { | |
342 | $caseMapping[strtolower($tag)] = $tag; | |
343 | $tags[$caseMapping[strtolower($tag)]] = 0; | |
344 | } | |
345 | $tags[$caseMapping[strtolower($tag)]]++; | |
346 | } | |
347 | } | |
348 | ||
349 | /* | |
350 | * Formerly used arsort(), which doesn't define the sort behaviour for equal values. | |
351 | * Also, this function doesn't produce the same result between PHP 5.6 and 7. | |
352 | * | |
353 | * So we now use array_multisort() to sort tags by DESC occurrences, | |
354 | * then ASC alphabetically for equal values. | |
355 | * | |
356 | * @see https://github.com/shaarli/Shaarli/issues/1142 | |
357 | */ | |
358 | $keys = array_keys($tags); | |
359 | $tmpTags = array_combine($keys, $keys); | |
360 | array_multisort($tags, SORT_DESC, $tmpTags, SORT_ASC, $tags); | |
efb7d21b | 361 | |
336a28fa A |
362 | return $tags; |
363 | } | |
364 | ||
365 | /** | |
366 | * @inheritDoc | |
367 | */ | |
36e6d88d A |
368 | public function findByDate( |
369 | \DateTimeInterface $from, | |
370 | \DateTimeInterface $to, | |
371 | ?\DateTimeInterface &$previous, | |
372 | ?\DateTimeInterface &$next | |
373 | ): array { | |
374 | $out = []; | |
375 | $previous = null; | |
376 | $next = null; | |
377 | ||
9b8c0a45 | 378 | foreach ($this->search([], null, false, false, true)->getBookmarks() as $bookmark) { |
36e6d88d A |
379 | if ($to < $bookmark->getCreated()) { |
380 | $next = $bookmark->getCreated(); | |
53054b2b | 381 | } elseif ($from < $bookmark->getCreated() && $to > $bookmark->getCreated()) { |
36e6d88d A |
382 | $out[] = $bookmark; |
383 | } else { | |
384 | if ($previous !== null) { | |
385 | break; | |
386 | } | |
387 | $previous = $bookmark->getCreated(); | |
388 | } | |
336a28fa | 389 | } |
336a28fa | 390 | |
36e6d88d | 391 | return $out; |
336a28fa A |
392 | } |
393 | ||
394 | /** | |
395 | * @inheritDoc | |
396 | */ | |
36e6d88d | 397 | public function getLatest(): ?Bookmark |
336a28fa | 398 | { |
9b8c0a45 | 399 | foreach ($this->search([], null, false, false, true)->getBookmarks() as $bookmark) { |
36e6d88d A |
400 | return $bookmark; |
401 | } | |
27ddfec3 | 402 | |
36e6d88d | 403 | return null; |
336a28fa A |
404 | } |
405 | ||
406 | /** | |
407 | * @inheritDoc | |
408 | */ | |
efb7d21b | 409 | public function initialize(): void |
336a28fa A |
410 | { |
411 | $initializer = new BookmarkInitializer($this); | |
412 | $initializer->initialize(); | |
336a28fa | 413 | |
d6e5f04d A |
414 | if (true === $this->isLoggedIn) { |
415 | $this->save(); | |
416 | } | |
c4ad3d4f A |
417 | } |
418 | ||
336a28fa A |
419 | /** |
420 | * Handles migration to the new database format (BookmarksArray). | |
421 | */ | |
efb7d21b | 422 | protected function migrate(): void |
336a28fa A |
423 | { |
424 | $bookmarkDb = new LegacyLinkDB( | |
425 | $this->conf->get('resource.datastore'), | |
426 | true, | |
427 | false | |
428 | ); | |
429 | $updater = new LegacyUpdater( | |
b99e00f7 | 430 | UpdaterUtils::readUpdatesFile($this->conf->get('resource.updates')), |
336a28fa A |
431 | $bookmarkDb, |
432 | $this->conf, | |
433 | true | |
434 | ); | |
435 | $newUpdates = $updater->update(); | |
436 | if (! empty($newUpdates)) { | |
b99e00f7 | 437 | UpdaterUtils::writeUpdatesFile( |
336a28fa A |
438 | $this->conf->get('resource.updates'), |
439 | $updater->getDoneUpdates() | |
440 | ); | |
441 | } | |
442 | } | |
443 | } |