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1<?php
2
3namespace MediaWiki\Extension\AbuseFilter\Special;
4
5use Html;
6use MediaWiki\Extension\AbuseFilter\AbuseFilterPermissionManager;
7use MediaWiki\Extension\AbuseFilter\CentralDBManager;
8use MediaWiki\Extension\AbuseFilter\Consequences\ConsequencesFactory;
9use MediaWiki\Extension\AbuseFilter\Consequences\ConsequencesRegistry;
10use MediaWiki\Extension\AbuseFilter\EditBox\EditBoxBuilderFactory;
11use MediaWiki\Extension\AbuseFilter\FilterImporter;
12use MediaWiki\Extension\AbuseFilter\FilterLookup;
13use MediaWiki\Extension\AbuseFilter\FilterProfiler;
14use MediaWiki\Extension\AbuseFilter\FilterStore;
15use MediaWiki\Extension\AbuseFilter\Parser\RuleCheckerFactory;
16use MediaWiki\Extension\AbuseFilter\SpecsFormatter;
17use MediaWiki\Extension\AbuseFilter\VariableGenerator\VariableGeneratorFactory;
18use MediaWiki\Extension\AbuseFilter\Variables\VariablesBlobStore;
19use MediaWiki\Extension\AbuseFilter\Variables\VariablesFormatter;
20use MediaWiki\Extension\AbuseFilter\Variables\VariablesManager;
21use MediaWiki\Extension\AbuseFilter\View\AbuseFilterView;
22use MediaWiki\Extension\AbuseFilter\View\AbuseFilterViewDiff;
23use MediaWiki\Extension\AbuseFilter\View\AbuseFilterViewEdit;
24use MediaWiki\Extension\AbuseFilter\View\AbuseFilterViewExamine;
25use MediaWiki\Extension\AbuseFilter\View\AbuseFilterViewHistory;
26use MediaWiki\Extension\AbuseFilter\View\AbuseFilterViewImport;
27use MediaWiki\Extension\AbuseFilter\View\AbuseFilterViewList;
28use MediaWiki\Extension\AbuseFilter\View\AbuseFilterViewRevert;
29use MediaWiki\Extension\AbuseFilter\View\AbuseFilterViewTestBatch;
30use MediaWiki\Extension\AbuseFilter\View\AbuseFilterViewTools;
31use MediaWiki\Title\Title;
32use Wikimedia\ObjectFactory\ObjectFactory;
33
34class SpecialAbuseFilter extends AbuseFilterSpecialPage {
35
36    private const PAGE_NAME = 'AbuseFilter';
37
38    /**
39     * @var ObjectFactory
40     */
41    private $objectFactory;
42
43    private const SERVICES_PER_VIEW = [
44        AbuseFilterViewDiff::class => [
45            AbuseFilterPermissionManager::SERVICE_NAME,
46            SpecsFormatter::SERVICE_NAME,
47            FilterLookup::SERVICE_NAME,
48        ],
49        AbuseFilterViewEdit::class => [
50            'DBLoadBalancerFactory',
51            'PermissionManager',
52            AbuseFilterPermissionManager::SERVICE_NAME,
53            FilterProfiler::SERVICE_NAME,
54            FilterLookup::SERVICE_NAME,
55            FilterImporter::SERVICE_NAME,
56            FilterStore::SERVICE_NAME,
57            EditBoxBuilderFactory::SERVICE_NAME,
58            ConsequencesRegistry::SERVICE_NAME,
59            SpecsFormatter::SERVICE_NAME,
60        ],
61        AbuseFilterViewExamine::class => [
62            'DBLoadBalancerFactory',
63            AbuseFilterPermissionManager::SERVICE_NAME,
64            FilterLookup::SERVICE_NAME,
65            EditBoxBuilderFactory::SERVICE_NAME,
66            VariablesBlobStore::SERVICE_NAME,
67            VariablesFormatter::SERVICE_NAME,
68            VariablesManager::SERVICE_NAME,
69            VariableGeneratorFactory::SERVICE_NAME,
70        ],
71        AbuseFilterViewHistory::class => [
72            'UserNameUtils',
73            'LinkBatchFactory',
74            AbuseFilterPermissionManager::SERVICE_NAME,
75            FilterLookup::SERVICE_NAME,
76            SpecsFormatter::SERVICE_NAME,
77        ],
78        AbuseFilterViewImport::class => [
79            AbuseFilterPermissionManager::SERVICE_NAME,
80        ],
81        AbuseFilterViewList::class => [
82            'LinkBatchFactory',
83            AbuseFilterPermissionManager::SERVICE_NAME,
84            FilterProfiler::SERVICE_NAME,
85            SpecsFormatter::SERVICE_NAME,
86            CentralDBManager::SERVICE_NAME,
87        ],
88        AbuseFilterViewRevert::class => [
89            'DBLoadBalancerFactory',
90            'UserFactory',
91            AbuseFilterPermissionManager::SERVICE_NAME,
92            FilterLookup::SERVICE_NAME,
93            ConsequencesFactory::SERVICE_NAME,
94            VariablesBlobStore::SERVICE_NAME,
95            SpecsFormatter::SERVICE_NAME,
96        ],
97        AbuseFilterViewTestBatch::class => [
98            'DBLoadBalancerFactory',
99            AbuseFilterPermissionManager::SERVICE_NAME,
100            EditBoxBuilderFactory::SERVICE_NAME,
101            RuleCheckerFactory::SERVICE_NAME,
102            VariableGeneratorFactory::SERVICE_NAME,
103        ],
104        AbuseFilterViewTools::class => [
105            AbuseFilterPermissionManager::SERVICE_NAME,
106            EditBoxBuilderFactory::SERVICE_NAME,
107        ],
108    ];
109
110    /**
111     * @param AbuseFilterPermissionManager $afPermissionManager
112     * @param ObjectFactory $objectFactory
113     */
114    public function __construct(
115        AbuseFilterPermissionManager $afPermissionManager,
116        ObjectFactory $objectFactory
117    ) {
118        parent::__construct( self::PAGE_NAME, 'abusefilter-view', $afPermissionManager );
119        $this->objectFactory = $objectFactory;
120    }
121
122    /**
123     * @codeCoverageIgnore Merely declarative
124     * @inheritDoc
125     */
126    public function doesWrites() {
127        return true;
128    }
129
130    /**
131     * @codeCoverageIgnore Merely declarative
132     * @inheritDoc
133     */
134    protected function getGroupName() {
135        return 'wiki';
136    }
137
138    /**
139     * @param string|null $subpage
140     */
141    public function execute( $subpage ) {
142        $out = $this->getOutput();
143        $request = $this->getRequest();
144
145        $out->addModuleStyles( 'ext.abuseFilter' );
146
147        $this->setHeaders();
148        $this->addHelpLink( 'Extension:AbuseFilter' );
149
150        $this->checkPermissions();
151
152        if ( $request->getVal( 'result' ) === 'success' ) {
153            $out->setSubtitle( $this->msg( 'abusefilter-edit-done-subtitle' ) );
154            $changedFilter = intval( $request->getVal( 'changedfilter' ) );
155            $changeId = intval( $request->getVal( 'changeid' ) );
156            $out->addHTML( Html::successBox(
157                $this->msg(
158                    'abusefilter-edit-done',
159                    $changedFilter,
160                    $changeId,
161                    $this->getLanguage()->formatNum( $changedFilter )
162                )->parse()
163            ) );
164        }
165
166        [ $view, $pageType, $params ] = $this->getViewClassAndPageType( $subpage );
167
168        // Links at the top
169        $this->addNavigationLinks( $pageType );
170
171        $view = $this->instantiateView( $view, $params );
172        $view->show();
173    }
174
175    /**
176     * Instantiate the view class
177     *
178     * @suppress PhanTypeInvalidCallableArraySize
179     *
180     * @param class-string<AbuseFilterView> $viewClass
181     * @param array $params
182     * @return AbuseFilterView
183     */
184    public function instantiateView( string $viewClass, array $params ): AbuseFilterView {
185        return $this->objectFactory->createObject( [
186            'class' => $viewClass,
187            'services' => self::SERVICES_PER_VIEW[$viewClass],
188            'args' => [ $this->getContext(), $this->getLinkRenderer(), self::PAGE_NAME, $params ]
189        ] );
190    }
191
192    /**
193     * Determine the view class to instantiate
194     *
195     * @param string|null $subpage
196     * @return array A tuple of three elements:
197     *      - a subclass of AbuseFilterView
198     *      - type of page for addNavigationLinks
199     *      - array of parameters for the class
200     * @phan-return array{0:class-string,1:string,2:array}
201     */
202    public function getViewClassAndPageType( $subpage ): array {
203        // Filter by removing blanks.
204        $params = array_values( array_filter(
205            explode( '/', $subpage ?: '' ),
206            static function ( $value ) {
207                return $value !== '';
208            }
209        ) );
210
211        if ( $subpage === 'tools' ) {
212            return [ AbuseFilterViewTools::class, 'tools', [] ];
213        }
214
215        if ( $subpage === 'import' ) {
216            return [ AbuseFilterViewImport::class, 'import', [] ];
217        }
218
219        if ( is_numeric( $subpage ) || $subpage === 'new' ) {
220            return [
221                AbuseFilterViewEdit::class,
222                'edit',
223                [ 'filter' => is_numeric( $subpage ) ? (int)$subpage : null ]
224            ];
225        }
226
227        if ( $params ) {
228            if ( count( $params ) === 2 && $params[0] === 'revert' && is_numeric( $params[1] ) ) {
229                $params[1] = (int)$params[1];
230                return [ AbuseFilterViewRevert::class, 'revert', $params ];
231            }
232
233            if ( $params[0] === 'test' ) {
234                return [ AbuseFilterViewTestBatch::class, 'test', $params ];
235            }
236
237            if ( $params[0] === 'examine' ) {
238                return [ AbuseFilterViewExamine::class, 'examine', $params ];
239            }
240
241            if ( $params[0] === 'history' || $params[0] === 'log' ) {
242                if ( count( $params ) <= 2 ) {
243                    $params = isset( $params[1] ) ? [ 'filter' => (int)$params[1] ] : [];
244                    return [ AbuseFilterViewHistory::class, 'recentchanges', $params ];
245                }
246                if ( count( $params ) === 4 && $params[2] === 'item' ) {
247                    return [
248                        AbuseFilterViewEdit::class,
249                        '',
250                        [ 'filter' => (int)$params[1], 'history' => (int)$params[3] ]
251                    ];
252                }
253                if ( count( $params ) === 5 && $params[2] === 'diff' ) {
254                    // Special:AbuseFilter/history/<filter>/diff/<oldid>/<newid>
255                    return [ AbuseFilterViewDiff::class, '', $params ];
256                }
257            }
258        }
259
260        return [ AbuseFilterViewList::class, 'home', [] ];
261    }
262
263    /**
264     * Static variant to get the associated Title.
265     *
266     * @param string|int $subpage
267     * @return Title
268     */
269    public static function getTitleForSubpage( $subpage ): Title {
270        return self::getTitleFor( self::PAGE_NAME, $subpage );
271    }
272}