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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along |
| 15 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * http://www.gnu.org/copyleft/gpl.html |
| 18 | * |
| 19 | * @file |
| 20 | */ |
| 21 | |
| 22 | namespace MediaWiki\Block; |
| 23 | |
| 24 | use ChangeTags; |
| 25 | use ManualLogEntry; |
| 26 | use MediaWiki\HookContainer\HookContainer; |
| 27 | use MediaWiki\HookContainer\HookRunner; |
| 28 | use MediaWiki\Permissions\Authority; |
| 29 | use MediaWiki\Status\Status; |
| 30 | use MediaWiki\Title\TitleValue; |
| 31 | use MediaWiki\User\UserFactory; |
| 32 | use MediaWiki\User\UserIdentity; |
| 33 | use RevisionDeleteUser; |
| 34 | |
| 35 | /** |
| 36 | * Backend class for unblocking users |
| 37 | * |
| 38 | * @since 1.36 |
| 39 | */ |
| 40 | class UnblockUser { |
| 41 | /** @var BlockPermissionChecker */ |
| 42 | private $blockPermissionChecker; |
| 43 | |
| 44 | /** @var DatabaseBlockStore */ |
| 45 | private $blockStore; |
| 46 | |
| 47 | /** @var BlockUtils */ |
| 48 | private $blockUtils; |
| 49 | |
| 50 | /** @var UserFactory */ |
| 51 | private $userFactory; |
| 52 | |
| 53 | /** @var HookRunner */ |
| 54 | private $hookRunner; |
| 55 | |
| 56 | /** @var UserIdentity|string */ |
| 57 | private $target; |
| 58 | |
| 59 | /** @var int */ |
| 60 | private $targetType; |
| 61 | |
| 62 | /** @var DatabaseBlock|null */ |
| 63 | private $block; |
| 64 | |
| 65 | /** @var Authority */ |
| 66 | private $performer; |
| 67 | |
| 68 | /** @var string */ |
| 69 | private $reason; |
| 70 | |
| 71 | /** @var array */ |
| 72 | private $tags = []; |
| 73 | |
| 74 | /** |
| 75 | * @param BlockPermissionCheckerFactory $blockPermissionCheckerFactory |
| 76 | * @param DatabaseBlockStore $blockStore |
| 77 | * @param BlockUtils $blockUtils |
| 78 | * @param UserFactory $userFactory |
| 79 | * @param HookContainer $hookContainer |
| 80 | * @param UserIdentity|string $target |
| 81 | * @param Authority $performer |
| 82 | * @param string $reason |
| 83 | * @param string[] $tags |
| 84 | */ |
| 85 | public function __construct( |
| 86 | BlockPermissionCheckerFactory $blockPermissionCheckerFactory, |
| 87 | DatabaseBlockStore $blockStore, |
| 88 | BlockUtils $blockUtils, |
| 89 | UserFactory $userFactory, |
| 90 | HookContainer $hookContainer, |
| 91 | $target, |
| 92 | Authority $performer, |
| 93 | string $reason, |
| 94 | array $tags = [] |
| 95 | ) { |
| 96 | // Process dependencies |
| 97 | $this->blockPermissionChecker = $blockPermissionCheckerFactory |
| 98 | ->newBlockPermissionChecker( |
| 99 | $target, |
| 100 | $performer |
| 101 | ); |
| 102 | $this->blockStore = $blockStore; |
| 103 | $this->blockUtils = $blockUtils; |
| 104 | $this->userFactory = $userFactory; |
| 105 | $this->hookRunner = new HookRunner( $hookContainer ); |
| 106 | |
| 107 | // Process params |
| 108 | [ $this->target, $this->targetType ] = $this->blockUtils->parseBlockTarget( $target ); |
| 109 | if ( |
| 110 | $this->targetType === AbstractBlock::TYPE_AUTO && |
| 111 | is_numeric( $this->target ) |
| 112 | ) { |
| 113 | // Needed, because BlockUtils::parseBlockTarget will strip the # from autoblocks. |
| 114 | $this->target = '#' . $this->target; |
| 115 | } |
| 116 | $this->block = $this->blockStore->newFromTarget( $this->target ); |
| 117 | $this->performer = $performer; |
| 118 | $this->reason = $reason; |
| 119 | $this->tags = $tags; |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * Unblock user |
| 124 | * |
| 125 | * @return Status |
| 126 | */ |
| 127 | public function unblock(): Status { |
| 128 | $status = Status::newGood(); |
| 129 | |
| 130 | $basePermissionCheckResult = $this->blockPermissionChecker->checkBasePermissions( |
| 131 | $this->block instanceof DatabaseBlock && $this->block->getHideName() |
| 132 | ); |
| 133 | if ( $basePermissionCheckResult !== true ) { |
| 134 | return $status->fatal( $basePermissionCheckResult ); |
| 135 | } |
| 136 | |
| 137 | $blockPermissionCheckResult = $this->blockPermissionChecker->checkBlockPermissions(); |
| 138 | if ( $blockPermissionCheckResult !== true ) { |
| 139 | return $status->fatal( $blockPermissionCheckResult ); |
| 140 | } |
| 141 | |
| 142 | if ( count( $this->tags ) !== 0 ) { |
| 143 | $status->merge( |
| 144 | ChangeTags::canAddTagsAccompanyingChange( |
| 145 | $this->tags, |
| 146 | $this->performer |
| 147 | ) |
| 148 | ); |
| 149 | } |
| 150 | |
| 151 | if ( !$status->isOK() ) { |
| 152 | return $status; |
| 153 | } |
| 154 | return $this->unblockUnsafe(); |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * Unblock user without any sort of permission checks |
| 159 | * |
| 160 | * @internal This is public to be called in a maintenance script. |
| 161 | * @return Status |
| 162 | */ |
| 163 | public function unblockUnsafe(): Status { |
| 164 | $status = Status::newGood(); |
| 165 | |
| 166 | if ( $this->block === null ) { |
| 167 | return $status->fatal( 'ipb_cant_unblock', $this->target ); |
| 168 | } |
| 169 | |
| 170 | if ( |
| 171 | $this->block->getType() === AbstractBlock::TYPE_RANGE && |
| 172 | $this->targetType === AbstractBlock::TYPE_IP |
| 173 | ) { |
| 174 | return $status->fatal( 'ipb_blocked_as_range', $this->target, $this->block->getTargetName() ); |
| 175 | } |
| 176 | |
| 177 | $denyReason = [ 'hookaborted' ]; |
| 178 | $legacyUser = $this->userFactory->newFromAuthority( $this->performer ); |
| 179 | if ( !$this->hookRunner->onUnblockUser( $this->block, $legacyUser, $denyReason ) ) { |
| 180 | foreach ( $denyReason as $key ) { |
| 181 | $status->fatal( $key ); |
| 182 | } |
| 183 | return $status; |
| 184 | } |
| 185 | |
| 186 | $deleteBlockStatus = $this->blockStore->deleteBlock( $this->block ); |
| 187 | if ( !$deleteBlockStatus ) { |
| 188 | return $status->fatal( 'ipb_cant_unblock', $this->block->getTargetName() ); |
| 189 | } |
| 190 | |
| 191 | $this->hookRunner->onUnblockUserComplete( $this->block, $legacyUser ); |
| 192 | |
| 193 | // Unset _deleted fields as needed |
| 194 | $user = $this->block->getTargetUserIdentity(); |
| 195 | if ( $this->block->getHideName() && $user ) { |
| 196 | $id = $user->getId(); |
| 197 | RevisionDeleteUser::unsuppressUserName( $user->getName(), $id ); |
| 198 | } |
| 199 | |
| 200 | $this->log(); |
| 201 | |
| 202 | $status->setResult( $status->isOK(), $this->block ); |
| 203 | return $status; |
| 204 | } |
| 205 | |
| 206 | /** |
| 207 | * Log the unblock to Special:Log/block |
| 208 | */ |
| 209 | private function log() { |
| 210 | // Redact IP for autoblocks |
| 211 | if ( $this->block->getType() === DatabaseBlock::TYPE_AUTO ) { |
| 212 | $page = TitleValue::tryNew( NS_USER, '#' . $this->block->getId() ); |
| 213 | } else { |
| 214 | $page = TitleValue::tryNew( NS_USER, $this->block->getTargetName() ); |
| 215 | } |
| 216 | |
| 217 | $logEntry = new ManualLogEntry( 'block', 'unblock' ); |
| 218 | |
| 219 | if ( $page !== null ) { |
| 220 | $logEntry->setTarget( $page ); |
| 221 | } |
| 222 | $logEntry->setComment( $this->reason ); |
| 223 | $logEntry->setPerformer( $this->performer->getUser() ); |
| 224 | $logEntry->addTags( $this->tags ); |
| 225 | $logEntry->setRelations( [ 'ipb_id' => $this->block->getId() ] ); |
| 226 | $logId = $logEntry->insert(); |
| 227 | $logEntry->publish( $logId ); |
| 228 | } |
| 229 | |
| 230 | } |