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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\CentralAuth\User; |
| 4 | |
| 5 | use EmptyIterator; |
| 6 | use Iterator; |
| 7 | use MediaWiki\User\ActorStore; |
| 8 | use MediaWiki\User\TempUser\TempUserConfig; |
| 9 | use MediaWiki\User\UserIdentity; |
| 10 | use MediaWiki\User\UserNameUtils; |
| 11 | use Wikimedia\Assert\Assert; |
| 12 | use Wikimedia\Rdbms\IExpression; |
| 13 | use Wikimedia\Rdbms\IReadableDatabase; |
| 14 | use Wikimedia\Rdbms\SelectQueryBuilder; |
| 15 | |
| 16 | /** |
| 17 | * @stable |
| 18 | */ |
| 19 | class GlobalUserSelectQueryBuilder extends SelectQueryBuilder { |
| 20 | |
| 21 | /** @var ActorStore for the local wiki */ |
| 22 | private ActorStore $actorStore; |
| 23 | |
| 24 | private UserNameUtils $userNameUtils; |
| 25 | private TempUserConfig $tempUserConfig; |
| 26 | |
| 27 | /** @var bool */ |
| 28 | private bool $initRan = false; |
| 29 | |
| 30 | /** |
| 31 | * @param IReadableDatabase $db |
| 32 | * @param ActorStore $actorStore |
| 33 | * @param UserNameUtils $userNameUtils |
| 34 | * @param TempUserConfig $tempUserConfig |
| 35 | */ |
| 36 | public function __construct( |
| 37 | IReadableDatabase $db, |
| 38 | ActorStore $actorStore, |
| 39 | UserNameUtils $userNameUtils, |
| 40 | TempUserConfig $tempUserConfig |
| 41 | ) { |
| 42 | parent::__construct( $db ); |
| 43 | $this->actorStore = $actorStore; |
| 44 | $this->userNameUtils = $userNameUtils; |
| 45 | $this->tempUserConfig = $tempUserConfig; |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * Init the SelectQueryBuilder |
| 50 | * |
| 51 | * Should be called by ::fetch* methods. |
| 52 | */ |
| 53 | private function init(): void { |
| 54 | if ( $this->initRan ) { |
| 55 | return; |
| 56 | } |
| 57 | |
| 58 | $this->queryInfo( CentralAuthUser::selectQueryInfo() ); |
| 59 | |
| 60 | $this->initRan = true; |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Find by provided global user IDs |
| 65 | * |
| 66 | * @param int|int[] $globalUserIds |
| 67 | * @return $this |
| 68 | */ |
| 69 | public function whereGlobalUserIds( $globalUserIds ): self { |
| 70 | Assert::parameterType( 'integer|array', $globalUserIds, '$globalUserIds' ); |
| 71 | |
| 72 | $this->conds( [ 'gu_id' => $globalUserIds ] ); |
| 73 | return $this; |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * Find by provided usernames |
| 78 | * |
| 79 | * @param string|string[] $userNames |
| 80 | * @return $this |
| 81 | */ |
| 82 | public function whereUserNames( $userNames ): self { |
| 83 | Assert::parameterType( 'string|array', $userNames, '$userIds' ); |
| 84 | |
| 85 | $userNames = array_map( function ( $name ) { |
| 86 | return $this->userNameUtils->getCanonical( (string)$name ); |
| 87 | }, (array)$userNames ); |
| 88 | |
| 89 | $this->conds( [ 'gu_name' => $userNames ] ); |
| 90 | return $this; |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * @param bool $isLocked |
| 95 | * @return $this |
| 96 | */ |
| 97 | public function whereLocked( bool $isLocked ): self { |
| 98 | $this->conds( [ 'gu_locked' => $isLocked ] ); |
| 99 | return $this; |
| 100 | } |
| 101 | |
| 102 | /** |
| 103 | * Return users registered before/after $timestamp |
| 104 | * |
| 105 | * @param string $timestamp |
| 106 | * @param bool $before Direction flag (if true, user_registration must be before $timestamp) |
| 107 | * @return self |
| 108 | */ |
| 109 | public function whereRegisteredTimestamp( string $timestamp, bool $before ): self { |
| 110 | $this->conds( |
| 111 | $this->db->expr( 'gu_registration', $before ? '<' : '>', |
| 112 | $this->db->timestamp( $timestamp ) ) |
| 113 | ); |
| 114 | return $this; |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Only return named accounts |
| 119 | * |
| 120 | * @return $this |
| 121 | */ |
| 122 | public function named(): self { |
| 123 | if ( !$this->tempUserConfig->isKnown() ) { |
| 124 | // nothing to do: getMatchCondition throws if temp accounts aren't known |
| 125 | return $this; |
| 126 | } |
| 127 | $this->conds( $this->tempUserConfig->getMatchCondition( $this->db, 'gu_name', IExpression::NOT_LIKE ) ); |
| 128 | return $this; |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * Only return temporary accounts |
| 133 | * |
| 134 | * @return $this |
| 135 | */ |
| 136 | public function temp(): self { |
| 137 | if ( !$this->tempUserConfig->isKnown() ) { |
| 138 | $this->conds( '1=0' ); |
| 139 | return $this; |
| 140 | } |
| 141 | $this->conds( $this->tempUserConfig->getMatchCondition( $this->db, 'gu_name', IExpression::LIKE ) ); |
| 142 | return $this; |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * Fetch CentralAuthUsers for the specified query |
| 147 | * |
| 148 | * @return Iterator<CentralAuthUser> |
| 149 | */ |
| 150 | public function fetchCentralAuthUsers(): Iterator { |
| 151 | $this->init(); |
| 152 | |
| 153 | $result = $this->fetchResultSet(); |
| 154 | foreach ( $result as $row ) { |
| 155 | yield CentralAuthUser::newFromRow( $row, [] ); |
| 156 | } |
| 157 | $result->free(); |
| 158 | } |
| 159 | |
| 160 | /** |
| 161 | * Fetch UserIdentities for the current wiki |
| 162 | * |
| 163 | * @return Iterator<UserIdentity> |
| 164 | */ |
| 165 | public function fetchLocalUserIdentitites(): Iterator { |
| 166 | $this->init(); |
| 167 | $this->field( 'lu_local_id' ); |
| 168 | |
| 169 | $result = $this->fetchResultSet(); |
| 170 | $localUserIds = []; |
| 171 | foreach ( $result as $row ) { |
| 172 | $localUserIds[] = $row->lu_local_id; |
| 173 | } |
| 174 | |
| 175 | if ( $localUserIds === [] ) { |
| 176 | return new EmptyIterator(); |
| 177 | } |
| 178 | |
| 179 | return $this->actorStore->newSelectQueryBuilder() |
| 180 | ->whereUserIds( $localUserIds ) |
| 181 | ->caller( $this->getCaller() ) |
| 182 | ->fetchUserIdentities(); |
| 183 | } |
| 184 | } |