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1 | <?php |
2 | /** |
3 | * This program is free software; you can redistribute it and/or modify |
4 | * it under the terms of the GNU General Public License as published by |
5 | * the Free Software Foundation; either version 2 of the License, or |
6 | * (at your option) any later version. |
7 | * |
8 | * This program is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
11 | * GNU General Public License for more details. |
12 | * |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
16 | * http://www.gnu.org/copyleft/gpl.html |
17 | * |
18 | * @file |
19 | */ |
20 | |
21 | namespace MediaWiki\User\Options; |
22 | |
23 | use MediaWiki\Config\ServiceOptions; |
24 | use MediaWiki\HookContainer\HookContainer; |
25 | use MediaWiki\HookContainer\HookRunner; |
26 | use MediaWiki\Language\LanguageCode; |
27 | use MediaWiki\Language\LanguageConverter; |
28 | use MediaWiki\MainConfigNames; |
29 | use MediaWiki\Title\NamespaceInfo; |
30 | use MediaWiki\User\UserIdentity; |
31 | use Skin; |
32 | use Wikimedia\Assert\Assert; |
33 | use Wikimedia\Rdbms\IDBAccessObject; |
34 | |
35 | /** |
36 | * A service class to control default user options |
37 | * @since 1.35 |
38 | */ |
39 | class DefaultOptionsLookup extends UserOptionsLookup { |
40 | |
41 | /** |
42 | * @internal For use by ServiceWiring |
43 | */ |
44 | public const CONSTRUCTOR_OPTIONS = [ |
45 | MainConfigNames::DefaultSkin, |
46 | MainConfigNames::DefaultUserOptions, |
47 | MainConfigNames::NamespacesToBeSearchedDefault |
48 | ]; |
49 | |
50 | private ServiceOptions $serviceOptions; |
51 | private LanguageCode $contentLang; |
52 | private NamespaceInfo $nsInfo; |
53 | private ConditionalDefaultsLookup $conditionalDefaultsLookup; |
54 | |
55 | /** @var array|null Cached default options */ |
56 | private $defaultOptions = null; |
57 | |
58 | private HookRunner $hookRunner; |
59 | |
60 | /** |
61 | * @param ServiceOptions $options |
62 | * @param LanguageCode $contentLang |
63 | * @param HookContainer $hookContainer |
64 | * @param NamespaceInfo $nsInfo |
65 | * @param ConditionalDefaultsLookup $conditionalUserOptionsDefaultsLookup |
66 | */ |
67 | public function __construct( |
68 | ServiceOptions $options, |
69 | LanguageCode $contentLang, |
70 | HookContainer $hookContainer, |
71 | NamespaceInfo $nsInfo, |
72 | ConditionalDefaultsLookup $conditionalUserOptionsDefaultsLookup |
73 | ) { |
74 | $options->assertRequiredOptions( self::CONSTRUCTOR_OPTIONS ); |
75 | $this->serviceOptions = $options; |
76 | $this->contentLang = $contentLang; |
77 | $this->hookRunner = new HookRunner( $hookContainer ); |
78 | $this->nsInfo = $nsInfo; |
79 | $this->conditionalDefaultsLookup = $conditionalUserOptionsDefaultsLookup; |
80 | } |
81 | |
82 | /** |
83 | * Get default user options from $wgDefaultUserOptions (ignoring any conditional defaults) |
84 | * |
85 | * @return array |
86 | */ |
87 | private function getGenericDefaultOptions(): array { |
88 | if ( $this->defaultOptions !== null ) { |
89 | return $this->defaultOptions; |
90 | } |
91 | |
92 | $this->defaultOptions = $this->serviceOptions->get( MainConfigNames::DefaultUserOptions ); |
93 | |
94 | // Default language setting |
95 | // NOTE: don't use the content language code since the static default variant would |
96 | // NOT always be the same as the content language code. |
97 | $contentLangCode = $this->contentLang->toString(); |
98 | $LangsWithStaticDefaultVariant = LanguageConverter::$languagesWithStaticDefaultVariant; |
99 | $staticDefaultVariant = $LangsWithStaticDefaultVariant[$contentLangCode] ?? $contentLangCode; |
100 | $this->defaultOptions['language'] = $contentLangCode; |
101 | $this->defaultOptions['variant'] = $staticDefaultVariant; |
102 | foreach ( LanguageConverter::$languagesWithVariants as $langCode ) { |
103 | $staticDefaultVariant = $LangsWithStaticDefaultVariant[$langCode] ?? $langCode; |
104 | $this->defaultOptions["variant-$langCode"] = $staticDefaultVariant; |
105 | } |
106 | |
107 | // NOTE: don't use SearchEngineConfig::getSearchableNamespaces here, |
108 | // since extensions may change the set of searchable namespaces depending |
109 | // on user groups/permissions. |
110 | $nsSearchDefault = $this->serviceOptions->get( MainConfigNames::NamespacesToBeSearchedDefault ); |
111 | foreach ( $this->nsInfo->getValidNamespaces() as $n ) { |
112 | $this->defaultOptions['searchNs' . $n] = ( $nsSearchDefault[$n] ?? false ) ? 1 : 0; |
113 | } |
114 | $this->defaultOptions['skin'] = Skin::normalizeKey( |
115 | $this->serviceOptions->get( MainConfigNames::DefaultSkin ) ); |
116 | |
117 | $this->hookRunner->onUserGetDefaultOptions( $this->defaultOptions ); |
118 | |
119 | return $this->defaultOptions; |
120 | } |
121 | |
122 | /** |
123 | * @inheritDoc |
124 | */ |
125 | public function getDefaultOptions( ?UserIdentity $userIdentity = null ): array { |
126 | $defaultOptions = $this->getGenericDefaultOptions(); |
127 | |
128 | // If requested, process any conditional defaults |
129 | if ( $userIdentity ) { |
130 | $conditionallyDefaultOptions = $this->conditionalDefaultsLookup->getConditionallyDefaultOptions(); |
131 | foreach ( $conditionallyDefaultOptions as $optionName ) { |
132 | $conditionalDefault = $this->conditionalDefaultsLookup->getOptionDefaultForUser( |
133 | $optionName, $userIdentity |
134 | ); |
135 | if ( $conditionalDefault !== null ) { |
136 | $defaultOptions[$optionName] = $conditionalDefault; |
137 | } |
138 | } |
139 | } |
140 | |
141 | return $defaultOptions; |
142 | } |
143 | |
144 | /** |
145 | * @inheritDoc |
146 | */ |
147 | public function getOption( |
148 | UserIdentity $user, |
149 | string $oname, |
150 | $defaultOverride = null, |
151 | bool $ignoreHidden = false, |
152 | int $queryFlags = IDBAccessObject::READ_NORMAL |
153 | ) { |
154 | $this->verifyUsable( $user, __METHOD__ ); |
155 | return $this->getDefaultOption( $oname ) ?? $defaultOverride; |
156 | } |
157 | |
158 | /** |
159 | * @inheritDoc |
160 | */ |
161 | public function getOptions( |
162 | UserIdentity $user, |
163 | int $flags = 0, |
164 | int $queryFlags = IDBAccessObject::READ_NORMAL |
165 | ): array { |
166 | $this->verifyUsable( $user, __METHOD__ ); |
167 | if ( $flags & self::EXCLUDE_DEFAULTS ) { |
168 | return []; |
169 | } |
170 | return $this->getDefaultOptions(); |
171 | } |
172 | |
173 | /** |
174 | * Checks if the DefaultOptionsLookup is usable as an instance of UserOptionsLookup. |
175 | * |
176 | * It only makes sense in an installer context when UserOptionsManager cannot be yet instantiated |
177 | * as the database is not available. Thus, this can only be called for an anon user, |
178 | * calling under different circumstances indicates a bug, or that a system user is being used. |
179 | * |
180 | * The only exception to this is database-less PHPUnit tests, where sometimes fake registered users are |
181 | * used and end up being passed to this class. This should not be considered a bug, and using the default |
182 | * preferences in this scenario is probably the intended behaviour. |
183 | * |
184 | * @param UserIdentity $user |
185 | * @param string $fname |
186 | */ |
187 | private function verifyUsable( UserIdentity $user, string $fname ) { |
188 | if ( defined( 'MEDIAWIKI_INSTALL' ) ) { |
189 | return; |
190 | } |
191 | Assert::precondition( !$user->isRegistered(), "$fname called on a registered user" ); |
192 | } |
193 | } |
194 | |
195 | /** @deprecated class alias since 1.42 */ |
196 | class_alias( DefaultOptionsLookup::class, 'MediaWiki\\User\\DefaultOptionsLookup' ); |