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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\ReadingLists\Api; |
| 4 | |
| 5 | use ApiBase; |
| 6 | use ApiUsageException; |
| 7 | use MediaWiki\Extension\ReadingLists\Doc\ReadingListEntryRow; |
| 8 | use MediaWiki\Extension\ReadingLists\Doc\ReadingListEntryRowWithMergeFlag; |
| 9 | use MediaWiki\Extension\ReadingLists\Doc\ReadingListRow; |
| 10 | use MediaWiki\Extension\ReadingLists\Doc\ReadingListRowWithMergeFlag; |
| 11 | use MediaWiki\Extension\ReadingLists\ReadingListRepository; |
| 12 | use MediaWiki\Logger\LoggerFactory; |
| 13 | use MediaWiki\MediaWikiServices; |
| 14 | use MediaWiki\User\CentralId\CentralIdLookup; |
| 15 | use MediaWiki\User\UserIdentity; |
| 16 | use Message; |
| 17 | use Psr\Log\LoggerInterface; |
| 18 | use Wikimedia\Rdbms\LBFactory; |
| 19 | |
| 20 | /** |
| 21 | * Shared initialization and helper methods for the APIs. |
| 22 | * Classes using it must have a static $prefix property (the API module prefix). |
| 23 | * |
| 24 | * Issue with phan and traits - https://github.com/phan/phan/issues/1067 |
| 25 | */ |
| 26 | trait ApiTrait { |
| 27 | |
| 28 | /** @var LoggerInterface */ |
| 29 | private $logger; |
| 30 | |
| 31 | /** @var ReadingListRepository */ |
| 32 | private $repository; |
| 33 | |
| 34 | /** @var LBFactory */ |
| 35 | private $loadBalancerFactory; |
| 36 | |
| 37 | /** @var ApiBase */ |
| 38 | private $parent; |
| 39 | |
| 40 | /** |
| 41 | * Static entry point for initializing the module |
| 42 | * @param ApiBase $parent Parent module |
| 43 | * @param string $name Module name |
| 44 | * @return static |
| 45 | * @suppress PhanUndeclaredStaticProperty, PhanUndeclaredMethod |
| 46 | */ |
| 47 | public static function factory( ApiBase $parent, $name ) { |
| 48 | if ( static::$prefix ) { |
| 49 | // We are in one of the read modules, $parent is ApiQuery. |
| 50 | // This is an ApiQueryBase subclass so we need to pass ApiQuery. |
| 51 | $module = new static( $parent, $name, static::$prefix ); |
| 52 | } else { |
| 53 | // We are in one of the write submodules, $parent is ApiReadingLists. |
| 54 | // This is an ApiBase subclass so we need to pass ApiMain. |
| 55 | $module = new static( $parent->getMain(), $name, static::$prefix ); |
| 56 | } |
| 57 | $module->parent = $parent; |
| 58 | |
| 59 | $services = MediaWikiServices::getInstance(); |
| 60 | $loadBalancerFactory = $services->getDBLoadBalancerFactory(); |
| 61 | $module->injectDatabaseDependencies( $loadBalancerFactory ); |
| 62 | |
| 63 | $module->logger = LoggerFactory::getInstance( 'readinglists' ); |
| 64 | |
| 65 | return $module; |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Get the parent module. |
| 70 | * @return ApiBase |
| 71 | */ |
| 72 | public function getParent() { |
| 73 | return $this->parent; |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * Set database-related dependencies. Required when initializing a module that uses this trait. |
| 78 | * @param LBFactory $loadBalancerFactory |
| 79 | */ |
| 80 | protected function injectDatabaseDependencies( LBFactory $loadBalancerFactory ) { |
| 81 | $this->loadBalancerFactory = $loadBalancerFactory; |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * Get the repository for the given user. |
| 86 | * @param UserIdentity|null $user |
| 87 | * @return ReadingListRepository |
| 88 | * @suppress PhanUndeclaredMethod |
| 89 | */ |
| 90 | protected function getReadingListRepository( UserIdentity $user = null ) { |
| 91 | $config = $this->getConfig(); |
| 92 | $centralId = MediaWikiServices::getInstance() |
| 93 | ->getCentralIdLookupFactory() |
| 94 | ->getLookup() |
| 95 | ->centralIdFromLocalUser( $user, CentralIdLookup::AUDIENCE_RAW ); |
| 96 | $repository = new ReadingListRepository( $centralId, $this->loadBalancerFactory ); |
| 97 | $repository->setLimits( $config->get( 'ReadingListsMaxListsPerUser' ), |
| 98 | $config->get( 'ReadingListsMaxEntriesPerList' ) ); |
| 99 | $repository->setLogger( $this->logger ); |
| 100 | return $repository; |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Decode, validate and normalize the 'batch' parameter of write APIs. |
| 105 | * @param string $rawBatch The raw value of the 'batch' parameter. |
| 106 | * @return array[] One operation, typically a flat associative array. |
| 107 | * @throws ApiUsageException |
| 108 | * @suppress PhanUndeclaredMethod |
| 109 | */ |
| 110 | protected function getBatchOps( $rawBatch ) { |
| 111 | $batch = json_decode( $rawBatch, true ); |
| 112 | |
| 113 | // Must be a real array, and not empty. |
| 114 | if ( !is_array( $batch ) || $batch !== array_values( $batch ) || !$batch ) { |
| 115 | if ( json_last_error() ) { |
| 116 | $jsonError = json_last_error_msg(); |
| 117 | $this->dieWithError( wfMessage( 'apierror-readinglists-batch-invalid-json', |
| 118 | wfEscapeWikiText( $jsonError ) ) ); |
| 119 | } |
| 120 | $this->dieWithError( 'apierror-readinglists-batch-invalid-structure' ); |
| 121 | } |
| 122 | |
| 123 | $i = 0; |
| 124 | $request = $this->getContext()->getRequest(); |
| 125 | foreach ( $batch as &$op ) { |
| 126 | if ( ++$i > ApiBase::LIMIT_BIG1 ) { |
| 127 | $msg = wfMessage( 'apierror-readinglists-batch-toomanyvalues', ApiBase::LIMIT_BIG1 ); |
| 128 | $this->dieWithError( $msg, 'toomanyvalues' ); |
| 129 | } |
| 130 | // Each batch operation must be an associative array with scalar fields. |
| 131 | if ( |
| 132 | !is_array( $op ) |
| 133 | || array_values( $op ) === $op |
| 134 | || array_filter( $op, 'is_scalar' ) !== $op |
| 135 | ) { |
| 136 | $this->dieWithError( 'apierror-readinglists-batch-invalid-structure' ); |
| 137 | } |
| 138 | // JSON-escaped characters might have skipped WebRequest's normalization, repeat it. |
| 139 | array_walk_recursive( $op, static function ( &$value ) use ( $request ) { |
| 140 | if ( is_string( $value ) ) { |
| 141 | $value = $request->normalizeUnicode( $value ); |
| 142 | } |
| 143 | } ); |
| 144 | } |
| 145 | return $batch; |
| 146 | } |
| 147 | |
| 148 | /** |
| 149 | * Validate a single operation in the 'batch' parameter of write APIs. Works the same way as |
| 150 | * requireAtLeastOneParameter. |
| 151 | * @param array $op |
| 152 | * @param string ...$param |
| 153 | * @throws ApiUsageException |
| 154 | */ |
| 155 | protected function requireAtLeastOneBatchParameter( array $op, ...$param ) { |
| 156 | $intersection = array_intersect( |
| 157 | array_keys( array_filter( $op, static function ( $val ) { |
| 158 | return $val !== null && $val !== false; |
| 159 | } ) ), |
| 160 | $param |
| 161 | ); |
| 162 | |
| 163 | if ( count( $intersection ) == 0 ) { |
| 164 | // @phan-suppress-next-line PhanUndeclaredMethod |
| 165 | $this->dieWithError( [ |
| 166 | 'apierror-readinglists-batch-missingparam-at-least-one-of', |
| 167 | Message::listParam( array_map( |
| 168 | function ( $p ) { |
| 169 | // @phan-suppress-next-line PhanUndeclaredMethod |
| 170 | return '<var>' . $this->encodeParamName( $p ) . '</var>'; |
| 171 | }, |
| 172 | $param |
| 173 | ) ), |
| 174 | count( $param ), |
| 175 | ], 'missingparam' ); |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | /** |
| 180 | * Convert a list record from ReadingListRepository into an array suitable for adding to |
| 181 | * the API result. |
| 182 | * @param ReadingListRow|ReadingListRowWithMergeFlag $row |
| 183 | * @return array |
| 184 | */ |
| 185 | protected function getListFromRow( $row ) { |
| 186 | $item = [ |
| 187 | 'id' => (int)$row->rl_id, |
| 188 | 'name' => $row->rl_name, |
| 189 | 'default' => (bool)$row->rl_is_default, |
| 190 | 'description' => $row->rl_description, |
| 191 | 'created' => wfTimestamp( TS_ISO_8601, $row->rl_date_created ), |
| 192 | 'updated' => wfTimestamp( TS_ISO_8601, $row->rl_date_updated ), |
| 193 | ]; |
| 194 | if ( isset( $row->merged ) ) { |
| 195 | $item['duplicate'] = (bool)$row->merged; |
| 196 | } |
| 197 | if ( $row->rl_deleted ) { |
| 198 | $item['deleted'] = (bool)$row->rl_deleted; |
| 199 | } |
| 200 | return $item; |
| 201 | } |
| 202 | |
| 203 | /** |
| 204 | * Convert a list entry record from ReadingListRepository into an array suitable for adding to |
| 205 | * the API result. |
| 206 | * @param ReadingListEntryRow|ReadingListEntryRowWithMergeFlag $row |
| 207 | * @return array |
| 208 | */ |
| 209 | protected function getListEntryFromRow( $row ) { |
| 210 | $item = [ |
| 211 | 'id' => (int)$row->rle_id, |
| 212 | 'listId' => (int)$row->rle_rl_id, |
| 213 | 'project' => $row->rlp_project, |
| 214 | 'title' => $row->rle_title, |
| 215 | 'created' => wfTimestamp( TS_ISO_8601, $row->rle_date_created ), |
| 216 | 'updated' => wfTimestamp( TS_ISO_8601, $row->rle_date_updated ), |
| 217 | ]; |
| 218 | if ( isset( $row->merged ) ) { |
| 219 | $item['duplicate'] = (bool)$row->merged; |
| 220 | } |
| 221 | if ( $row->rle_deleted ) { |
| 222 | $item['deleted'] = true; |
| 223 | } |
| 224 | return $item; |
| 225 | } |
| 226 | |
| 227 | } |