Code Coverage |
||||||||||
Lines |
Functions and Methods |
Classes and Traits |
||||||||
| Total | |
94.12% |
128 / 136 |
|
78.95% |
15 / 19 |
CRAP | |
0.00% |
0 / 1 |
| ApiErrorFormatter | |
94.12% |
128 / 136 |
|
78.95% |
15 / 19 |
51.53 | |
0.00% |
0 / 1 |
| __construct | |
100.00% |
4 / 4 |
|
100.00% |
1 / 1 |
1 | |||
| isValidApiCode | |
100.00% |
4 / 4 |
|
100.00% |
1 / 1 |
3 | |||
| newWithFormat | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| getFormat | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| getLanguage | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| getDummyTitle | |
33.33% |
2 / 6 |
|
0.00% |
0 / 1 |
3.19 | |||
| getContextTitle | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
2 | |||
| setContextTitle | |
0.00% |
0 / 1 |
|
0.00% |
0 / 1 |
2 | |||
| addWarning | |
100.00% |
5 / 5 |
|
100.00% |
1 / 1 |
1 | |||
| addError | |
100.00% |
5 / 5 |
|
100.00% |
1 / 1 |
1 | |||
| addMessagesFromStatus | |
100.00% |
15 / 15 |
|
100.00% |
1 / 1 |
7 | |||
| getMessageFromException | |
90.00% |
18 / 20 |
|
0.00% |
0 / 1 |
5.03 | |||
| formatException | |
100.00% |
4 / 4 |
|
100.00% |
1 / 1 |
1 | |||
| formatMessage | |
100.00% |
5 / 5 |
|
100.00% |
1 / 1 |
2 | |||
| arrayFromStatus | |
100.00% |
11 / 11 |
|
100.00% |
1 / 1 |
6 | |||
| stripMarkup | |
100.00% |
2 / 2 |
|
100.00% |
1 / 1 |
1 | |||
| formatRawMessage | |
88.89% |
8 / 9 |
|
0.00% |
0 / 1 |
3.01 | |||
| formatMessageInternal | |
100.00% |
30 / 30 |
|
100.00% |
1 / 1 |
7 | |||
| addWarningOrError | |
100.00% |
11 / 11 |
|
100.00% |
1 / 1 |
5 | |||
| 1 | <?php |
| 2 | /** |
| 3 | * This file contains the ApiErrorFormatter definition, plus implementations of |
| 4 | * specific formatters. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License along |
| 17 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 19 | * http://www.gnu.org/copyleft/gpl.html |
| 20 | * |
| 21 | * @file |
| 22 | */ |
| 23 | |
| 24 | use MediaWiki\Language\RawMessage; |
| 25 | use MediaWiki\Page\PageReference; |
| 26 | use MediaWiki\Page\PageReferenceValue; |
| 27 | use MediaWiki\Parser\Sanitizer; |
| 28 | |
| 29 | /** |
| 30 | * Formats errors and warnings for the API, and add them to the associated |
| 31 | * ApiResult. |
| 32 | * @since 1.25 |
| 33 | * @ingroup API |
| 34 | * @phan-file-suppress PhanUndeclaredMethod Undeclared methods in IApiMessage |
| 35 | */ |
| 36 | class ApiErrorFormatter { |
| 37 | /** @var PageReference Dummy title to silence warnings from MessageCache::parse() */ |
| 38 | private static $dummyTitle = null; |
| 39 | |
| 40 | /** @var ApiResult */ |
| 41 | protected $result; |
| 42 | |
| 43 | /** @var Language */ |
| 44 | protected $lang; |
| 45 | /** @var PageReference|null page used for rendering error messages, or null to use the dummy title */ |
| 46 | private $title = null; |
| 47 | protected $useDB = false; |
| 48 | protected $format = 'none'; |
| 49 | |
| 50 | /** |
| 51 | * @param ApiResult $result Into which data will be added |
| 52 | * @param Language $lang Used for i18n |
| 53 | * @param string $format |
| 54 | * - plaintext: Error message as something vaguely like plaintext |
| 55 | * (it's basically wikitext with HTML tags stripped and entities decoded) |
| 56 | * - wikitext: Error message as wikitext |
| 57 | * - html: Error message as HTML |
| 58 | * - raw: Raw message key and parameters, no human-readable text |
| 59 | * - none: Code and data only, no human-readable text |
| 60 | * @param bool $useDB Whether to use local translations for errors and warnings. |
| 61 | */ |
| 62 | public function __construct( ApiResult $result, Language $lang, $format, $useDB = false ) { |
| 63 | $this->result = $result; |
| 64 | $this->lang = $lang; |
| 65 | $this->useDB = $useDB; |
| 66 | $this->format = $format; |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Test whether a code is a valid API error code |
| 71 | * |
| 72 | * A valid code contains only ASCII letters, numbers, underscore, and |
| 73 | * hyphen and is not the empty string. |
| 74 | * |
| 75 | * For backwards compatibility, any code beginning 'internal_api_error_' is |
| 76 | * also allowed. |
| 77 | * |
| 78 | * @param string $code |
| 79 | * @return bool |
| 80 | */ |
| 81 | public static function isValidApiCode( $code ) { |
| 82 | return is_string( $code ) && ( |
| 83 | preg_match( '/^[a-zA-Z0-9_-]+$/', $code ) || |
| 84 | // TODO: Deprecate this |
| 85 | preg_match( '/^internal_api_error_[^\0\r\n]+$/', $code ) |
| 86 | ); |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Return a formatter like this one but with a different format |
| 91 | * |
| 92 | * @since 1.32 |
| 93 | * @param string $format New format. |
| 94 | * @return ApiErrorFormatter |
| 95 | */ |
| 96 | public function newWithFormat( $format ) { |
| 97 | return new self( $this->result, $this->lang, $format, $this->useDB ); |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Fetch the format for this formatter |
| 102 | * @since 1.32 |
| 103 | * @return string |
| 104 | */ |
| 105 | public function getFormat() { |
| 106 | return $this->format; |
| 107 | } |
| 108 | |
| 109 | /** |
| 110 | * Fetch the Language for this formatter |
| 111 | * @since 1.29 |
| 112 | * @return Language |
| 113 | */ |
| 114 | public function getLanguage() { |
| 115 | return $this->lang; |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Fetch a dummy title to set on Messages |
| 120 | * @return PageReference |
| 121 | */ |
| 122 | protected function getDummyTitle(): PageReference { |
| 123 | if ( self::$dummyTitle === null ) { |
| 124 | self::$dummyTitle = PageReferenceValue::localReference( |
| 125 | NS_SPECIAL, |
| 126 | 'Badtitle/' . __METHOD__ |
| 127 | ); |
| 128 | } |
| 129 | return self::$dummyTitle; |
| 130 | } |
| 131 | |
| 132 | /** |
| 133 | * Get the page used for rendering error messages, e.g. for wikitext magic words like {{PAGENAME}} |
| 134 | * @since 1.37 |
| 135 | * @return PageReference |
| 136 | */ |
| 137 | public function getContextTitle(): PageReference { |
| 138 | return $this->title ?: $this->getDummyTitle(); |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Set the page used for rendering error messages, e.g. for wikitext magic words like {{PAGENAME}} |
| 143 | * @since 1.37 |
| 144 | * @param PageReference $title |
| 145 | */ |
| 146 | public function setContextTitle( PageReference $title ) { |
| 147 | $this->title = $title; |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * Add a warning to the result |
| 152 | * @param string|null $modulePath |
| 153 | * @param MessageSpecifier|array|string $msg Warning message. See ApiMessage::create(). |
| 154 | * @param string|null $code See ApiMessage::create(). |
| 155 | * @param array|null $data See ApiMessage::create(). |
| 156 | */ |
| 157 | public function addWarning( $modulePath, $msg, $code = null, $data = null ) { |
| 158 | $msg = ApiMessage::create( $msg, $code, $data ) |
| 159 | ->inLanguage( $this->lang ) |
| 160 | ->page( $this->getContextTitle() ) |
| 161 | ->useDatabase( $this->useDB ); |
| 162 | $this->addWarningOrError( 'warning', $modulePath, $msg ); |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * Add an error to the result |
| 167 | * @param string|null $modulePath |
| 168 | * @param MessageSpecifier|array|string $msg Warning message. See ApiMessage::create(). |
| 169 | * @param string|null $code See ApiMessage::create(). |
| 170 | * @param array|null $data See ApiMessage::create(). |
| 171 | */ |
| 172 | public function addError( $modulePath, $msg, $code = null, $data = null ) { |
| 173 | $msg = ApiMessage::create( $msg, $code, $data ) |
| 174 | ->inLanguage( $this->lang ) |
| 175 | ->page( $this->getContextTitle() ) |
| 176 | ->useDatabase( $this->useDB ); |
| 177 | $this->addWarningOrError( 'error', $modulePath, $msg ); |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * Add warnings and errors from a StatusValue object to the result |
| 182 | * @param string|null $modulePath |
| 183 | * @param StatusValue $status |
| 184 | * @param string[]|string $types 'warning' and/or 'error' |
| 185 | * @param string[] $filter Messages to filter out (since 1.33) |
| 186 | */ |
| 187 | public function addMessagesFromStatus( |
| 188 | $modulePath, StatusValue $status, $types = [ 'warning', 'error' ], array $filter = [] |
| 189 | ) { |
| 190 | if ( $status->isGood() || !$status->getErrors() ) { |
| 191 | return; |
| 192 | } |
| 193 | |
| 194 | $types = (array)$types; |
| 195 | foreach ( $status->getErrors() as $error ) { |
| 196 | if ( !in_array( $error['type'], $types, true ) ) { |
| 197 | continue; |
| 198 | } |
| 199 | |
| 200 | if ( $error['type'] === 'error' ) { |
| 201 | $tag = 'error'; |
| 202 | } else { |
| 203 | // Assume any unknown type is a warning |
| 204 | $tag = 'warning'; |
| 205 | } |
| 206 | |
| 207 | $msg = ApiMessage::create( $error ) |
| 208 | ->inLanguage( $this->lang ) |
| 209 | ->page( $this->getContextTitle() ) |
| 210 | ->useDatabase( $this->useDB ); |
| 211 | if ( !in_array( $msg->getKey(), $filter, true ) ) { |
| 212 | $this->addWarningOrError( $tag, $modulePath, $msg ); |
| 213 | } |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | /** |
| 218 | * Get an ApiMessage from a throwable |
| 219 | * @since 1.29 |
| 220 | * @param Throwable $exception |
| 221 | * @param array $options |
| 222 | * - wrap: (string|array|MessageSpecifier) Used to wrap the throwable's |
| 223 | * message if it's not an ILocalizedException. The throwable's message |
| 224 | * will be added as the final parameter. |
| 225 | * - code: (string) Default code |
| 226 | * - data: (array) Default extra data |
| 227 | * @return IApiMessage |
| 228 | */ |
| 229 | public function getMessageFromException( Throwable $exception, array $options = [] ) { |
| 230 | $options += [ 'code' => null, 'data' => [] ]; |
| 231 | |
| 232 | if ( $exception instanceof ILocalizedException ) { |
| 233 | $msg = $exception->getMessageObject(); |
| 234 | $params = []; |
| 235 | } elseif ( $exception instanceof MessageSpecifier ) { |
| 236 | $msg = Message::newFromSpecifier( $exception ); |
| 237 | $params = []; |
| 238 | } else { |
| 239 | if ( isset( $options['wrap'] ) ) { |
| 240 | $msg = $options['wrap']; |
| 241 | } else { |
| 242 | $msg = new RawMessage( '$1' ); |
| 243 | if ( !isset( $options['code'] ) ) { |
| 244 | $class = preg_replace( '#^Wikimedia\\\\Rdbms\\\\#', '', get_class( $exception ) ); |
| 245 | $options['code'] = 'internal_api_error_' . $class; |
| 246 | $options['data']['errorclass'] = get_class( $exception ); |
| 247 | } |
| 248 | } |
| 249 | $params = [ wfEscapeWikiText( $exception->getMessage() ) ]; |
| 250 | } |
| 251 | return ApiMessage::create( $msg, $options['code'], $options['data'] ) |
| 252 | ->params( $params ) |
| 253 | ->inLanguage( $this->lang ) |
| 254 | ->page( $this->getContextTitle() ) |
| 255 | ->useDatabase( $this->useDB ); |
| 256 | } |
| 257 | |
| 258 | /** |
| 259 | * Format a throwable as an array |
| 260 | * @since 1.29 |
| 261 | * @param Throwable $exception |
| 262 | * @param array $options See self::getMessageFromException(), plus |
| 263 | * - format: (string) Format override |
| 264 | * @return array |
| 265 | */ |
| 266 | public function formatException( Throwable $exception, array $options = [] ) { |
| 267 | return $this->formatMessage( |
| 268 | // @phan-suppress-next-line PhanTypeMismatchArgument |
| 269 | $this->getMessageFromException( $exception, $options ), |
| 270 | $options['format'] ?? null |
| 271 | ); |
| 272 | } |
| 273 | |
| 274 | /** |
| 275 | * Format a message as an array |
| 276 | * @param Message|array|string $msg Message. See ApiMessage::create(). |
| 277 | * @param string|null $format |
| 278 | * @return array |
| 279 | */ |
| 280 | public function formatMessage( $msg, $format = null ) { |
| 281 | $msg = ApiMessage::create( $msg ) |
| 282 | ->inLanguage( $this->lang ) |
| 283 | ->page( $this->getContextTitle() ) |
| 284 | ->useDatabase( $this->useDB ); |
| 285 | return $this->formatMessageInternal( $msg, $format ?: $this->format ); |
| 286 | } |
| 287 | |
| 288 | /** |
| 289 | * Format messages from a StatusValue as an array |
| 290 | * @param StatusValue $status |
| 291 | * @param string $type 'warning' or 'error' |
| 292 | * @param string|null $format |
| 293 | * @return array |
| 294 | */ |
| 295 | public function arrayFromStatus( StatusValue $status, $type = 'error', $format = null ) { |
| 296 | if ( $status->isGood() || !$status->getErrors() ) { |
| 297 | return []; |
| 298 | } |
| 299 | |
| 300 | $result = new ApiResult( 1_000_000 ); |
| 301 | $formatter = new ApiErrorFormatter( |
| 302 | $result, $this->lang, $format ?: $this->format, $this->useDB |
| 303 | ); |
| 304 | $formatter->addMessagesFromStatus( null, $status, [ $type ] ); |
| 305 | switch ( $type ) { |
| 306 | case 'error': |
| 307 | return (array)$result->getResultData( [ 'errors' ] ); |
| 308 | case 'warning': |
| 309 | return (array)$result->getResultData( [ 'warnings' ] ); |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | /** |
| 314 | * Turn wikitext into something resembling plaintext |
| 315 | * @since 1.29 |
| 316 | * @param string $text |
| 317 | * @return string |
| 318 | */ |
| 319 | public static function stripMarkup( $text ) { |
| 320 | // Turn semantic quoting tags to quotes |
| 321 | $ret = preg_replace( '!</?(var|kbd|samp|code)>!', '"', $text ); |
| 322 | |
| 323 | // Strip tags and decode. |
| 324 | return Sanitizer::stripAllTags( $ret ); |
| 325 | } |
| 326 | |
| 327 | /** |
| 328 | * Format a Message object for raw format |
| 329 | * @param MessageSpecifier $msg |
| 330 | * @return array |
| 331 | */ |
| 332 | private function formatRawMessage( MessageSpecifier $msg ) { |
| 333 | $ret = [ |
| 334 | 'key' => $msg->getKey(), |
| 335 | 'params' => $msg->getParams(), |
| 336 | ]; |
| 337 | ApiResult::setIndexedTagName( $ret['params'], 'param' ); |
| 338 | |
| 339 | // Transform Messages as parameters in the style of Message::fooParam(). |
| 340 | foreach ( $ret['params'] as $i => $param ) { |
| 341 | if ( $param instanceof MessageSpecifier ) { |
| 342 | $ret['params'][$i] = [ 'message' => $this->formatRawMessage( $param ) ]; |
| 343 | } |
| 344 | } |
| 345 | return $ret; |
| 346 | } |
| 347 | |
| 348 | /** |
| 349 | * Format a message as an array |
| 350 | * @since 1.29 |
| 351 | * @param ApiMessage|ApiRawMessage $msg |
| 352 | * @param string|null $format |
| 353 | * @return array |
| 354 | */ |
| 355 | protected function formatMessageInternal( $msg, $format ) { |
| 356 | $value = [ 'code' => $msg->getApiCode() ]; |
| 357 | switch ( $format ) { |
| 358 | case 'plaintext': |
| 359 | $value += [ |
| 360 | 'text' => self::stripMarkup( $msg->text() ), |
| 361 | ApiResult::META_CONTENT => 'text', |
| 362 | ]; |
| 363 | break; |
| 364 | |
| 365 | case 'wikitext': |
| 366 | $value += [ |
| 367 | 'text' => $msg->text(), |
| 368 | ApiResult::META_CONTENT => 'text', |
| 369 | ]; |
| 370 | break; |
| 371 | |
| 372 | case 'html': |
| 373 | $value += [ |
| 374 | 'html' => $msg->parse(), |
| 375 | ApiResult::META_CONTENT => 'html', |
| 376 | ]; |
| 377 | break; |
| 378 | |
| 379 | case 'raw': |
| 380 | $value += $this->formatRawMessage( $msg ); |
| 381 | break; |
| 382 | |
| 383 | case 'none': |
| 384 | break; |
| 385 | } |
| 386 | $data = $msg->getApiData(); |
| 387 | if ( $data ) { |
| 388 | $value['data'] = $msg->getApiData() + [ |
| 389 | ApiResult::META_TYPE => 'assoc', |
| 390 | ]; |
| 391 | } |
| 392 | return $value; |
| 393 | } |
| 394 | |
| 395 | /** |
| 396 | * Actually add the warning or error to the result |
| 397 | * @param string $tag 'warning' or 'error' |
| 398 | * @param string|null $modulePath |
| 399 | * @param ApiMessage|ApiRawMessage $msg |
| 400 | */ |
| 401 | protected function addWarningOrError( $tag, $modulePath, $msg ) { |
| 402 | $value = $this->formatMessageInternal( $msg, $this->format ); |
| 403 | if ( $modulePath !== null ) { |
| 404 | $value += [ 'module' => $modulePath ]; |
| 405 | } |
| 406 | |
| 407 | $path = [ $tag . 's' ]; |
| 408 | $existing = $this->result->getResultData( $path ); |
| 409 | if ( $existing === null || !in_array( $value, $existing ) ) { |
| 410 | $flags = ApiResult::NO_SIZE_CHECK; |
| 411 | if ( $existing === null ) { |
| 412 | $flags |= ApiResult::ADD_ON_TOP; |
| 413 | } |
| 414 | $this->result->addValue( $path, null, $value, $flags ); |
| 415 | $this->result->addIndexedTagName( $path, $tag ); |
| 416 | } |
| 417 | } |
| 418 | } |