Code Coverage
 
Lines
Functions and Methods
Classes and Traits
Total
65.09% covered (warning)
65.09%
110 / 169
22.22% covered (danger)
22.22%
2 / 9
CRAP
0.00% covered (danger)
0.00%
0 / 1
Hooks
65.09% covered (warning)
65.09%
110 / 169
22.22% covered (danger)
22.22%
2 / 9
167.05
0.00% covered (danger)
0.00%
0 / 1
 __construct
100.00% covered (success)
100.00%
1 / 1
100.00% covered (success)
100.00%
1 / 1
1
 getUserCounts
0.00% covered (danger)
0.00%
0 / 12
0.00% covered (danger)
0.00%
0 / 1
12
 onSaveUserOptions
0.00% covered (danger)
0.00%
0 / 19
0.00% covered (danger)
0.00%
0 / 1
56
 onGetPreferences
80.34% covered (warning)
80.34%
94 / 117
0.00% covered (danger)
0.00%
0 / 1
41.27
 onPreferencesGetIcon
0.00% covered (danger)
0.00%
0 / 1
0.00% covered (danger)
0.00%
0 / 1
2
 onUserGetDefaultOptions
50.00% covered (danger)
50.00%
1 / 2
0.00% covered (danger)
0.00%
0 / 1
2.50
 onMakeGlobalVariablesScript
0.00% covered (danger)
0.00%
0 / 2
0.00% covered (danger)
0.00%
0 / 1
6
 onSkinTemplateNavigation__Universal
100.00% covered (success)
100.00%
14 / 14
100.00% covered (success)
100.00%
1 / 1
2
 onExtensionTypes
0.00% covered (danger)
0.00%
0 / 1
0.00% covered (danger)
0.00%
0 / 1
2
1<?php
2/**
3 * This file is part of the MediaWiki extension BetaFeatures.
4 *
5 * BetaFeatures is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * BetaFeatures is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with BetaFeatures.  If not, see <http://www.gnu.org/licenses/>.
17 *
18 * BetaFeatures extension hooks
19 *
20 * @file
21 * @ingroup Extensions
22 * @copyright 2013 Mark Holmquist and others; see AUTHORS
23 * @license GPL-2.0-or-later
24 */
25
26namespace MediaWiki\Extension\BetaFeatures;
27
28use Exception;
29use MediaWiki\Config\Config;
30use MediaWiki\Context\RequestContext;
31use MediaWiki\Deferred\DeferredUpdates;
32use MediaWiki\Extension\BetaFeatures\Hooks\HookRunner;
33use MediaWiki\Hook\ExtensionTypesHook;
34use MediaWiki\Hook\PreferencesGetIconHook;
35use MediaWiki\Hook\SkinTemplateNavigation__UniversalHook;
36use MediaWiki\HookContainer\HookContainer;
37use MediaWiki\JobQueue\JobQueueGroupFactory;
38use MediaWiki\Output\Hook\MakeGlobalVariablesScriptHook;
39use MediaWiki\Output\OutputPage;
40use MediaWiki\Preferences\Hook\GetPreferencesHook;
41use MediaWiki\Skin\SkinFactory;
42use MediaWiki\Skin\SkinTemplate;
43use MediaWiki\SpecialPage\SpecialPage;
44use MediaWiki\User\Hook\UserGetDefaultOptionsHook;
45use MediaWiki\User\Options\Hook\SaveUserOptionsHook;
46use MediaWiki\User\Options\UserOptionsManager;
47use MediaWiki\User\User;
48use MediaWiki\User\UserFactory;
49use MediaWiki\User\UserIdentity;
50use MediaWiki\User\UserIdentityUtils;
51use ObjectCacheFactory;
52use Wikimedia\Rdbms\IConnectionProvider;
53
54class Hooks implements
55    ExtensionTypesHook,
56    GetPreferencesHook,
57    MakeGlobalVariablesScriptHook,
58    PreferencesGetIconHook,
59    SaveUserOptionsHook,
60    SkinTemplateNavigation__UniversalHook,
61    UserGetDefaultOptionsHook
62{
63
64    /**
65     * @var array An array of each of the available Beta Features, with their requirements, if any.
66     * It is passed client-side for JavaScript rendering/responsiveness.
67     */
68    private static array $features = [];
69
70    public function __construct(
71        private readonly Config $config,
72        private readonly IConnectionProvider $dbProvider,
73        private readonly HookContainer $hookContainer,
74        private readonly JobQueueGroupFactory $jobQueueGroupFactory,
75        private readonly SkinFactory $skinFactory,
76        private readonly UserFactory $userFactory,
77        private readonly UserIdentityUtils $userIdentityUtils,
78        private readonly UserOptionsManager $userOptionsManager,
79        private readonly ObjectCacheFactory $objectCacheFactory,
80    ) {
81    }
82
83    /**
84     * @param string[] $prefs
85     * @param IConnectionProvider $dbProvider
86     * @return int[]
87     */
88    public static function getUserCounts( array $prefs, IConnectionProvider $dbProvider ) {
89        $counts = [];
90        if ( !$prefs ) {
91            return $counts;
92        }
93
94        $dbr = $dbProvider->getReplicaDatabase();
95        $res = $dbr->newSelectQueryBuilder()
96            ->select( [ 'feature', 'number' ] )
97            ->from( 'betafeatures_user_counts' )
98            ->where( [ 'feature' => $prefs ] )
99            ->caller( __METHOD__ )->fetchResultSet();
100
101        foreach ( $res as $row ) {
102            $counts[$row->feature] = $row->number;
103        }
104
105        return $counts;
106    }
107
108    /**
109     * @see https://www.mediawiki.org/wiki/Manual:Hooks/SaveUserOptions
110     *
111     * @param UserIdentity $user User who's just saved their preferences
112     * @param array &$modifiedOptions List of modified options
113     * @param array $originalOptions List of original user options
114     * @throws Exception
115     */
116    public function onSaveUserOptions(
117        UserIdentity $user,
118        array &$modifiedOptions,
119        array $originalOptions
120    ) {
121        if ( !$user->isRegistered() || $this->userIdentityUtils->isTemp( $user ) ) {
122            // Anonymous and temporary users do not have options, shorten out.
123            return;
124        }
125
126        $betaFeatures = $this->config->get( 'BetaFeatures' );
127        $user = $this->userFactory->newFromUserIdentity( $user );
128        ( new HookRunner( $this->hookContainer ) )->onGetBetaFeaturePreferences( $user, $betaFeatures );
129
130        $jobs = [];
131        foreach ( $betaFeatures as $name => $option ) {
132            if ( !array_key_exists( $name, $modifiedOptions ) ) {
133                continue;
134            }
135            $newVal = $modifiedOptions[$name];
136            $oldVal = $originalOptions[$name] ?? null;
137            // Check if this preference meaningfully changed
138            if ( $oldVal == $newVal ) {
139                // unchanged
140                continue;
141            }
142            // Enqueue a job to update the count for this preference
143            $jobs[] = new UpdateBetaFeatureUserCountsJob(
144                [ 'prefs' => [ $name ] ],
145                $this->dbProvider
146            );
147        }
148        if ( $jobs !== [] ) {
149            $this->jobQueueGroupFactory->makeJobQueueGroup()->push( $jobs );
150        }
151    }
152
153    /**
154     * @param User $user
155     * @param array[] &$prefs
156     * @throws BetaFeaturesMissingFieldException
157     */
158    public function onGetPreferences( $user, &$prefs ) {
159        $betaPrefs = $this->config->get( 'BetaFeatures' );
160        $depHooks = [];
161
162        $hookRunner = new HookRunner( $this->hookContainer );
163        $hookRunner->onGetBetaFeaturePreferences( $user, $betaPrefs );
164
165        // The following messages are generated upstream by the 'section' value
166        // * prefs-betafeatures
167        // * prefs-description-betafeatures
168        $count = count( $betaPrefs );
169        $prefs['betafeatures-section-desc'] = [
170            'type' => 'info',
171            'default' => static function () use ( $count ) {
172                return wfMessage( 'betafeatures-section-desc' )
173                    ->numParams( $count )
174                    ->parseAsBlock();
175            },
176            'section' => 'betafeatures',
177            'raw' => true,
178        ];
179
180        $prefs['betafeatures-auto-enroll'] = [
181            'type' => 'check',
182            'label-message' => 'betafeatures-auto-enroll',
183            'help-message' => 'betafeatures-auto-enroll-help',
184            'section' => 'betafeatures',
185        ];
186
187        // Purely visual field.
188        $prefs['betafeatures-breaking-hr'] = [
189            'class' => HTMLHorizontalRuleField::class,
190            'section' => 'betafeatures',
191        ];
192
193        $counts = self::getUserCounts( array_keys( $betaPrefs ), $this->dbProvider );
194
195        // Set up dependency hooks array
196        // This complex structure brought to you by Per-Wiki Configuration,
197        // coming soon to a wiki very near you.
198        $hookRunner->onGetBetaFeatureDependencyHooks( $depHooks );
199
200        $autoEnrollSaveSettings = [];
201        $autoEnrollAll = $this->userOptionsManager->getBoolOption( $user, 'betafeatures-auto-enroll' );
202
203        $autoEnroll = [];
204
205        foreach ( $betaPrefs as $key => $info ) {
206            if ( isset( $info['auto-enrollment'] ) ) {
207                $autoEnroll[$info['auto-enrollment']] = $key;
208            }
209        }
210
211        $hiddenPrefs = $this->config->get( 'HiddenPrefs' );
212        $allowlist = $this->config->get( 'BetaFeaturesAllowList' );
213
214        foreach ( $betaPrefs as $key => $info ) {
215            // Check if feature should be skipped
216            if (
217                // Check if feature is hidden
218                in_array( $key, $hiddenPrefs ) ||
219                // Check if feature is in the allow list
220                ( is_array( $allowlist ) && !in_array( $key, $allowlist ) ) ||
221                // Check if dependencies are set but not met
222                (
223                    isset( $info['dependent'] ) &&
224                    $info['dependent'] === true &&
225                    isset( $depHooks[$key] ) &&
226                    !$this->hookContainer->run( $depHooks[$key] )
227                )
228            ) {
229                continue;
230            }
231
232            $opt = [
233                'class' => HTMLFeatureField::class,
234                'section' => 'betafeatures',
235                'disable-if' => [ '===', 'betafeatures-auto-enroll', '1' ],
236            ];
237
238            $requiredFields = [
239                'label-message' => true,
240                'desc-message' => true,
241                'screenshot' => false,
242                'requirements' => false,
243                'info-link' => false,
244                'info-message' => false,
245                'discussion-link' => false,
246                'discussion-message' => false,
247                'disabled' => false,
248            ];
249
250            foreach ( $requiredFields as $field => $required ) {
251                if ( isset( $info[$field] ) ) {
252                    $opt[$field] = $info[$field];
253                } elseif ( $required ) {
254                    // A required field isn't present in the info array
255                    // we got from the GetBetaFeaturePreferences hook.
256                    // Don't add this feature to the form.
257                    throw new BetaFeaturesMissingFieldException(
258                        "The field {$field} was missing from the beta feature {$key}."
259                    );
260                }
261            }
262
263            if ( isset( $counts[$key] ) ) {
264                $opt['user-count'] = $counts[$key];
265            }
266
267            // Set the beta feature in the standard preferences array
268            // Just before, unset the key to resort it in the array, in the case the key was already set
269            unset( $prefs[$key] );
270            $prefs[$key] = $opt;
271
272            $autoEnrollForThisPref = false;
273
274            if ( isset( $info['group'] ) && isset( $autoEnroll[$info['group']] ) ) {
275                $autoEnrollForThisPref = $this->userOptionsManager
276                    ->getBoolOption( $user, $autoEnroll[$info['group']] );
277            }
278
279            $exemptAutoEnroll = ( $info['exempt-from-auto-enrollment'] ?? false )
280                || ( $info['disabled'] ?? false );
281            $autoEnrollHere = !$exemptAutoEnroll && ( $autoEnrollAll || $autoEnrollForThisPref );
282
283            // Use raw value for existence test
284            $currentValue = $this->userOptionsManager->getOption( $user, $key );
285
286            // Keep it break now... The tests applied are against the comments below.
287            // Fixing all the tests is not worthwhile, the auto-enroll logic should be refactored later.
288            if ( $autoEnrollHere && $currentValue !== '1' ) {
289                // We haven't seen this before, and the user has auto-enroll enabled!
290                // Set the option to true and make it visible for the current user object
291                $this->userOptionsManager->setOption( $user, $key, true );
292                // Also put it aside for saving the settings later
293                $autoEnrollSaveSettings[$key] = true;
294            }
295
296            self::$features[$key] = [];
297            self::$features[$key]['__skip-auto-enroll'] = $exemptAutoEnroll;
298        }
299
300        foreach ( $betaPrefs as $key => $info ) {
301            if ( isset( $prefs[$key]['requirements'] ) ) {
302                // Check which other beta features are required, and fetch their labels
303                if ( isset( $prefs[$key]['requirements']['betafeatures'] ) ) {
304                    $requiredPrefs = [];
305                    foreach ( $prefs[$key]['requirements']['betafeatures'] as $preference ) {
306                        if ( !$this->userOptionsManager->getBoolOption( $user, $preference ) ) {
307                            $requiredPrefs[] = $prefs[$preference]['label-message'];
308                        }
309                    }
310                    if ( count( $requiredPrefs ) ) {
311                        $prefs[$key]['requirements']['betafeatures-messages'] = $requiredPrefs;
312                    }
313                }
314
315                // Test skin support
316                if ( isset( $prefs[$key]['requirements']['skins'] ) ) {
317                    // Remove any skins that aren't installed or users can't choose
318                    $prefs[$key]['requirements']['skins'] = array_intersect(
319                        /** @phan-suppress-next-line PhanTypeInvalidDimOffset,PhanTypeMismatchArgumentInternal */
320                        $prefs[$key]['requirements']['skins'],
321                        array_keys( $this->skinFactory->getAllowedSkins() )
322                    );
323
324                    if ( empty( $prefs[$key]['requirements']['skins'] ) ) {
325                        // If there are no valid skins, don't show the preference
326                        wfDebugLog( 'BetaFeatures', "The $key BetaFeature has no valid skins installed." );
327                        continue;
328                    }
329                    // Also check if the user's current skin is supported
330                    $prefs[$key]['requirements']['skin-not-supported'] = !in_array(
331                        RequestContext::getMain()->getSkin()->getSkinName(),
332                        $prefs[$key]['requirements']['skins']
333                    );
334                }
335            }
336
337            // If a unsupported browsers list is supplied, store so it can be passed as JSON
338            self::$features[$key]['unsupportedList'] = $prefs[$key]['requirements']['unsupportedList'] ?? null;
339        }
340
341        if ( $autoEnrollSaveSettings !== [] ) {
342            // Save the preferences to the DB post-send
343            DeferredUpdates::addCallableUpdate(
344                function () use ( $user, $autoEnrollSaveSettings ) {
345                    $cache = $this->objectCacheFactory->getLocalClusterInstance();
346                    $key = $cache->makeKey( __CLASS__, 'prefs-update', $user->getId() );
347                    // T95839: If concurrent requests pile on (e.g. multiple tabs), only let one
348                    // thread bother doing these updates. This avoids pointless error log spam.
349                    if ( $cache->lock( $key, 0, $cache::TTL_MINUTE ) ) {
350                        // Apply the settings and save
351                        foreach ( $autoEnrollSaveSettings as $key => $option ) {
352                            $this->userOptionsManager->setOption( $user, $key, $option );
353                        }
354                        $this->userOptionsManager->saveOptions( $user );
355                        $cache->unlock( $key );
356                    }
357                }
358            );
359        }
360    }
361
362    /**
363     * Add icon for Special:Preferences mobile layout
364     *
365     * @param array &$iconNames Array of icon names for their respective sections.
366     */
367    public function onPreferencesGetIcon( &$iconNames ) {
368        $iconNames[ 'betafeatures' ] = 'labFlask';
369    }
370
371    /**
372     * Add default preferences values
373     *
374     * @param array &$defaultOptions Array of preference keys and their default values.
375     */
376    public function onUserGetDefaultOptions( &$defaultOptions ) {
377        foreach ( $this->config->get( 'BetaFeatures' ) as $key => $info ) {
378            $defaultOptions[$key] = false;
379        }
380    }
381
382    /**
383     * @param array &$vars
384     * @param OutputPage $out
385     */
386    public function onMakeGlobalVariablesScript( &$vars, $out ): void {
387        if ( self::$features ) {
388            // This is added to page view HTML on all articles.
389            // FIXME: Move this to the preferences page somehow, or
390            // bundle with the module that loads betafeatures.js.
391            $vars['wgBetaFeaturesFeatures'] = self::$features;
392        }
393    }
394
395    /**
396     * @param SkinTemplate $skintemplate
397     * @param array[] &$links
398     */
399    public function onSkinTemplateNavigation__Universal(
400        $skintemplate,
401        &$links
402    ): void {
403        $user = $skintemplate->getUser();
404        if ( $user->isNamed() ) {
405            $personalUrls = $links['user-menu'] ?? [];
406            $personalUrls = wfArrayInsertAfter( $personalUrls, [
407                // The following messages are generated upstream
408                // * tooltip-pt-betafeatures
409                'betafeatures' => [
410                    'text' => wfMessage( 'betafeatures-toplink' )->text(),
411                    'href' => SpecialPage::getTitleFor(
412                        'Preferences', false, 'mw-prefsection-betafeatures'
413                    )->getLinkURL(),
414                    'active' => $skintemplate->getTitle()->isSpecial( 'Preferences' ),
415                    'icon' => 'labFlask'
416                ],
417            ], 'preferences' );
418            $links['user-menu'] = $personalUrls;
419        }
420    }
421
422    /**
423     * @param string[] &$extTypes
424     */
425    public function onExtensionTypes( &$extTypes ) {
426        $extTypes['betafeatures'] = wfMessage( 'betafeatures-extension-type' )->text();
427    }
428
429}