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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\Block; |
| 22 | |
| 23 | use Language; |
| 24 | use MediaWiki\CommentStore\CommentStoreComment; |
| 25 | use MediaWiki\HookContainer\HookContainer; |
| 26 | use MediaWiki\HookContainer\HookRunner; |
| 27 | use MediaWiki\Language\LocalizationContext; |
| 28 | use MediaWiki\Languages\LanguageFactory; |
| 29 | use MediaWiki\Message\Message; |
| 30 | use MediaWiki\Page\PageReferenceValue; |
| 31 | use MediaWiki\Title\TitleFormatter; |
| 32 | use MediaWiki\User\UserIdentity; |
| 33 | use MediaWiki\User\UserIdentityUtils; |
| 34 | |
| 35 | /** |
| 36 | * A service class for getting formatted information about a block. |
| 37 | * To obtain an instance, use MediaWikiServices::getInstance()->getBlockErrorFormatter(). |
| 38 | * |
| 39 | * @since 1.35 |
| 40 | */ |
| 41 | class BlockErrorFormatter { |
| 42 | |
| 43 | private TitleFormatter $titleFormatter; |
| 44 | private HookRunner $hookRunner; |
| 45 | private UserIdentityUtils $userIdentityUtils; |
| 46 | private LocalizationContext $uiContext; |
| 47 | private LanguageFactory $languageFactory; |
| 48 | |
| 49 | public function __construct( |
| 50 | TitleFormatter $titleFormatter, |
| 51 | HookContainer $hookContainer, |
| 52 | UserIdentityUtils $userIdentityUtils, |
| 53 | LanguageFactory $languageFactory, |
| 54 | LocalizationContext $uiContext |
| 55 | ) { |
| 56 | $this->titleFormatter = $titleFormatter; |
| 57 | $this->hookRunner = new HookRunner( $hookContainer ); |
| 58 | $this->userIdentityUtils = $userIdentityUtils; |
| 59 | |
| 60 | $this->languageFactory = $languageFactory; |
| 61 | $this->uiContext = $uiContext; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * @return Language |
| 66 | */ |
| 67 | private function getLanguage(): Language { |
| 68 | return $this->languageFactory->getLanguage( $this->uiContext->getLanguageCode() ); |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Get a block error message. Different message keys are chosen depending on the |
| 73 | * block features. Message parameters are formatted for the specified user and |
| 74 | * language. |
| 75 | * |
| 76 | * If passed a CompositeBlock, will get a generic message stating that there are |
| 77 | * multiple blocks. To get all the block messages, use getMessages instead. |
| 78 | * |
| 79 | * @param Block $block |
| 80 | * @param UserIdentity $user |
| 81 | * @param mixed $language Unused since 1.42 |
| 82 | * @param string $ip |
| 83 | * @return Message |
| 84 | */ |
| 85 | public function getMessage( |
| 86 | Block $block, |
| 87 | UserIdentity $user, |
| 88 | $language, |
| 89 | string $ip |
| 90 | ): Message { |
| 91 | $key = $this->getBlockErrorMessageKey( $block, $user ); |
| 92 | $params = $this->getBlockErrorMessageParams( $block, $user, $ip ); |
| 93 | return $this->uiContext->msg( $key, $params ); |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Get block error messages for all of the blocks that apply to a user. |
| 98 | * |
| 99 | * @since 1.42 |
| 100 | * @param Block $block |
| 101 | * @param UserIdentity $user |
| 102 | * @param string $ip |
| 103 | * @return Message[] |
| 104 | */ |
| 105 | public function getMessages( |
| 106 | Block $block, |
| 107 | UserIdentity $user, |
| 108 | string $ip |
| 109 | ): array { |
| 110 | $messages = []; |
| 111 | foreach ( $block->toArray() as $singleBlock ) { |
| 112 | $messages[] = $this->getMessage( $singleBlock, $user, null, $ip ); |
| 113 | } |
| 114 | |
| 115 | return $messages; |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Get a standard set of block details for building a block error message. |
| 120 | * |
| 121 | * @param Block $block |
| 122 | * @return mixed[] |
| 123 | * - identifier: Information for looking up the block |
| 124 | * - targetName: The target, as a string |
| 125 | * - blockerName: The blocker, as a string |
| 126 | * - reason: Reason for the block |
| 127 | * - expiry: Expiry time |
| 128 | * - timestamp: Time the block was created |
| 129 | */ |
| 130 | private function getBlockErrorInfo( Block $block ) { |
| 131 | $blocker = $block->getBlocker(); |
| 132 | return [ |
| 133 | 'identifier' => $block->getIdentifier(), |
| 134 | 'targetName' => $block->getTargetName(), |
| 135 | 'blockerName' => $blocker ? $blocker->getName() : '', |
| 136 | 'reason' => $block->getReasonComment(), |
| 137 | 'expiry' => $block->getExpiry(), |
| 138 | 'timestamp' => $block->getTimestamp(), |
| 139 | ]; |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * Get a standard set of block details for building a block error message, |
| 144 | * formatted for a specified user and language. |
| 145 | * |
| 146 | * @since 1.35 |
| 147 | * @param Block $block |
| 148 | * @param UserIdentity $user |
| 149 | * @return mixed[] See getBlockErrorInfo |
| 150 | */ |
| 151 | private function getFormattedBlockErrorInfo( |
| 152 | Block $block, |
| 153 | UserIdentity $user |
| 154 | ) { |
| 155 | $info = $this->getBlockErrorInfo( $block ); |
| 156 | |
| 157 | $language = $this->getLanguage(); |
| 158 | |
| 159 | $info['expiry'] = $language->formatExpiry( $info['expiry'], true, 'infinity', $user ); |
| 160 | $info['timestamp'] = $language->userTimeAndDate( $info['timestamp'], $user ); |
| 161 | $info['blockerName'] = $language->embedBidi( $info['blockerName'] ); |
| 162 | $info['targetName'] = $language->embedBidi( $info['targetName'] ); |
| 163 | |
| 164 | $info['reason'] = $this->formatBlockReason( $info['reason'], $language ); |
| 165 | |
| 166 | return $info; |
| 167 | } |
| 168 | |
| 169 | /** |
| 170 | * Format the block reason as plain wikitext in the specified language. |
| 171 | * |
| 172 | * @param CommentStoreComment $reason |
| 173 | * @param Language $language |
| 174 | * @return string |
| 175 | */ |
| 176 | private function formatBlockReason( CommentStoreComment $reason, Language $language ) { |
| 177 | if ( $reason->text === '' ) { |
| 178 | $message = new Message( 'blockednoreason', [], $language ); |
| 179 | return $message->plain(); |
| 180 | } |
| 181 | return $reason->message->inLanguage( $language )->plain(); |
| 182 | } |
| 183 | |
| 184 | /** |
| 185 | * Create a link to the blocker's user page. This must be done here rather than in |
| 186 | * the message translation, because the blocker may not be a local user, in which |
| 187 | * case their page cannot be linked. |
| 188 | * |
| 189 | * @param ?UserIdentity $blocker |
| 190 | * @return string Link to the blocker's page; blocker's name if not a local user |
| 191 | */ |
| 192 | private function formatBlockerLink( ?UserIdentity $blocker ) { |
| 193 | if ( !$blocker ) { |
| 194 | // TODO should we say something? This is just matching the code before |
| 195 | // the refactoring in late July 2021 |
| 196 | return ''; |
| 197 | } |
| 198 | |
| 199 | $language = $this->getLanguage(); |
| 200 | |
| 201 | if ( $blocker->getId() === 0 ) { |
| 202 | // Foreign user |
| 203 | // TODO what about blocks placed by IPs? Shouldn't we check based on |
| 204 | // $blocker's wiki instead? This is just matching the code before the |
| 205 | // refactoring in late July 2021. |
| 206 | return $language->embedBidi( $blocker->getName() ); |
| 207 | } |
| 208 | |
| 209 | $blockerUserpage = PageReferenceValue::localReference( NS_USER, $blocker->getName() ); |
| 210 | $blockerText = $language->embedBidi( |
| 211 | $this->titleFormatter->getText( $blockerUserpage ) |
| 212 | ); |
| 213 | $prefixedText = $this->titleFormatter->getPrefixedText( $blockerUserpage ); |
| 214 | return "[[{$prefixedText}|{$blockerText}]]"; |
| 215 | } |
| 216 | |
| 217 | /** |
| 218 | * Determine the block error message key by examining the block. |
| 219 | * |
| 220 | * @param Block $block |
| 221 | * @param UserIdentity $user |
| 222 | * @return string Message key |
| 223 | */ |
| 224 | private function getBlockErrorMessageKey( Block $block, UserIdentity $user ) { |
| 225 | $isTempUser = $this->userIdentityUtils->isTemp( $user ); |
| 226 | $key = $isTempUser ? 'blockedtext-tempuser' : 'blockedtext'; |
| 227 | if ( $block instanceof DatabaseBlock ) { |
| 228 | if ( $block->getType() === Block::TYPE_AUTO ) { |
| 229 | $key = $isTempUser ? 'autoblockedtext-tempuser' : 'autoblockedtext'; |
| 230 | } elseif ( !$block->isSitewide() ) { |
| 231 | $key = 'blockedtext-partial'; |
| 232 | } |
| 233 | } elseif ( $block instanceof SystemBlock ) { |
| 234 | $key = 'systemblockedtext'; |
| 235 | } elseif ( $block instanceof CompositeBlock ) { |
| 236 | $key = 'blockedtext-composite'; |
| 237 | } |
| 238 | |
| 239 | // Allow extensions to modify the block error message |
| 240 | $this->hookRunner->onGetBlockErrorMessageKey( $block, $key ); |
| 241 | |
| 242 | return $key; |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * Get the formatted parameters needed to build the block error messages handled by |
| 247 | * getBlockErrorMessageKey. |
| 248 | * |
| 249 | * @param Block $block |
| 250 | * @param UserIdentity $user |
| 251 | * @param string $ip |
| 252 | * @return mixed[] Params used by standard block error messages, in order: |
| 253 | * - blockerLink: Link to the blocker's user page, if any; otherwise same as blockerName |
| 254 | * - reason: Reason for the block |
| 255 | * - ip: IP address of the user attempting to perform an action |
| 256 | * - blockerName: The blocker, as a bidi-embedded string |
| 257 | * - identifier: Information for looking up the block |
| 258 | * - expiry: Expiry time, in the specified language |
| 259 | * - targetName: The target, as a bidi-embedded string |
| 260 | * - timestamp: Time the block was created, in the specified language |
| 261 | */ |
| 262 | private function getBlockErrorMessageParams( |
| 263 | Block $block, |
| 264 | UserIdentity $user, |
| 265 | string $ip |
| 266 | ) { |
| 267 | $info = $this->getFormattedBlockErrorInfo( $block, $user ); |
| 268 | |
| 269 | // Add params that are specific to the standard block errors |
| 270 | $info['ip'] = $ip; |
| 271 | $info['blockerLink'] = $this->formatBlockerLink( $block->getBlocker() ); |
| 272 | |
| 273 | // Display the CompositeBlock identifier as a message containing relevant block IDs |
| 274 | if ( $block instanceof CompositeBlock ) { |
| 275 | $ids = $this->getLanguage()->commaList( array_map( |
| 276 | static function ( $id ) { |
| 277 | return '#' . $id; |
| 278 | }, |
| 279 | array_filter( $info['identifier'], 'is_int' ) |
| 280 | ) ); |
| 281 | if ( $ids === '' ) { |
| 282 | $idsMsg = $this->uiContext->msg( 'blockedtext-composite-no-ids', [] ); |
| 283 | } else { |
| 284 | $idsMsg = $this->uiContext->msg( 'blockedtext-composite-ids', [ $ids ] ); |
| 285 | } |
| 286 | $info['identifier'] = $idsMsg->plain(); |
| 287 | } |
| 288 | |
| 289 | // Messages expect the params in this order |
| 290 | $order = [ |
| 291 | 'blockerLink', |
| 292 | 'reason', |
| 293 | 'ip', |
| 294 | 'blockerName', |
| 295 | 'identifier', |
| 296 | 'expiry', |
| 297 | 'targetName', |
| 298 | 'timestamp', |
| 299 | ]; |
| 300 | |
| 301 | $params = []; |
| 302 | foreach ( $order as $item ) { |
| 303 | $params[] = $info[$item]; |
| 304 | } |
| 305 | |
| 306 | return $params; |
| 307 | } |
| 308 | |
| 309 | } |