* @defgroup API API
*/
-if ( !defined( 'MEDIAWIKI' ) ) {
- // Eclipse helper - will be ignored in production
- require_once( 'ApiBase.php' );
-}
-
/**
* This is the main API class, used for both external and internal processing.
* When executed, it will create the requested formatter object,
'expandtemplates' => 'ApiExpandTemplates',
'parse' => 'ApiParse',
'opensearch' => 'ApiOpenSearch',
+ 'feedcontributions' => 'ApiFeedContributions',
'feedwatchlist' => 'ApiFeedWatchlist',
'help' => 'ApiHelp',
'paraminfo' => 'ApiParamInfo',
'rsd' => 'ApiRsd',
+ 'compare' => 'ApiComparePages',
// Write modules
'purge' => 'ApiPurge',
'move' => 'ApiMove',
'edit' => 'ApiEditPage',
'upload' => 'ApiUpload',
+ 'filerevert' => 'ApiFileRevert',
'emailuser' => 'ApiEmailUser',
'watch' => 'ApiWatch',
'patrol' => 'ApiPatrol',
private $mPrinter;
private $mModules, $mModuleNames, $mFormats, $mFormatNames;
- private $mResult, $mAction, $mShowVersions, $mEnableWrite, $mRequest;
+ private $mResult, $mAction, $mShowVersions, $mEnableWrite;
private $mInternalMode, $mSquidMaxage, $mModule;
private $mCacheMode = 'private';
/**
* Constructs an instance of ApiMain that utilizes the module and format specified by $request.
*
- * @param $request WebRequest - if this is an instance of FauxRequest, errors are thrown and no printing occurs
+ * @param $context IContextSource|WebRequest - if this is an instance of FauxRequest, errors are thrown and no printing occurs
* @param $enableWrite bool should be set to true if the api may modify data
*/
- public function __construct( $request, $enableWrite = false ) {
- $this->mInternalMode = ( $request instanceof FauxRequest );
+ public function __construct( $context = null, $enableWrite = false ) {
+ if ( $context === null ) {
+ $context = RequestContext::getMain();
+ } elseif ( $context instanceof WebRequest ) {
+ // BC for pre-1.19
+ $request = $context;
+ $context = RequestContext::getMain();
+ }
+ // We set a derivative context so we can change stuff later
+ $this->setContext( new DerivativeContext( $context ) );
+
+ if ( isset( $request ) ) {
+ $this->getContext()->setRequest( $request );
+ }
+
+ $this->mInternalMode = ( $this->getRequest() instanceof FauxRequest );
// Special handling for the main module: $parent === $this
parent::__construct( $this, $this->mInternalMode ? 'main_int' : 'main' );
// Remove all modules other than login
global $wgUser;
- if ( $request->getVal( 'callback' ) !== null ) {
+ if ( $this->getRequest()->getVal( 'callback' ) !== null ) {
// JSON callback allows cross-site reads.
// For safety, strip user credentials.
wfDebug( "API: stripping user credentials for JSON callback\n" );
$wgUser = new User();
+ $this->getContext()->setUser( $wgUser );
}
}
$this->mShowVersions = false;
$this->mEnableWrite = $enableWrite;
- $this->mRequest = &$request;
-
$this->mSquidMaxage = - 1; // flag for executeActionWithErrorHandling()
$this->mCommit = false;
}
/**
* Return true if the API was started by other PHP code using FauxRequest
+ * @return bool
*/
public function isInternalMode() {
return $this->mInternalMode;
}
- /**
- * Return the request object that contains client's request
- * @return WebRequest
- */
- public function getRequest() {
- return $this->mRequest;
- }
-
/**
* Get the ApiResult object associated with current request
*
/**
* Get the API module object. Only works after executeAction()
+ *
+ * @return ApiBase
*/
public function getModule() {
return $this->mModule;
/**
* Set how long the response should be cached.
+ *
+ * @param $maxage
*/
public function setCacheMaxAge( $maxage ) {
$this->setCacheControl( array(
}
/**
- * @deprecated Private caching is now the default, so there is usually no
+ * @deprecated since 1.17 Private caching is now the default, so there is usually no
* need to call this function. If there is a need, you can use
* $this->setCacheMode('private')
*/
public function setCachePrivate() {
+ wfDeprecated( __METHOD__, '1.17' );
$this->setCacheMode( 'private' );
}
*
* Cache control values set here will only be used if the cache mode is not
* private, see setCacheMode().
+ *
+ * @param $directives array
*/
public function setCacheControl( $directives ) {
$this->mCacheControl = $directives + $this->mCacheControl;
* given URL must either always or never call this function; if it sometimes does and
* sometimes doesn't, stuff will break.
*
- * @deprecated Use setCacheMode( 'anon-public-user-private' )
+ * @deprecated since 1.17 Use setCacheMode( 'anon-public-user-private' )
*/
public function setVaryCookie() {
+ wfDeprecated( __METHOD__, '1.17' );
$this->setCacheMode( 'anon-public-user-private' );
}
/**
* Create an instance of an output formatter by its name
+ *
+ * @param $format string
+ *
+ * @return ApiFormatBase
*/
public function createPrinterByName( $format ) {
if ( !isset( $this->mFormats[$format] ) ) {
wfDebugLog( 'exception', $e->getLogMessage() );
}
- //
// Handle any kind of exception by outputing properly formatted error message.
// If this fails, an unhandled exception should be thrown so that global error
// handler will process and log it.
- //
$errCode = $this->substituteResultWithError( $e );
// Error results should not be cached
$this->setCacheMode( 'private' );
+ $response = $this->getRequest()->response();
$headerStr = 'MediaWiki-API-Error: ' . $errCode;
if ( $e->getCode() === 0 ) {
- header( $headerStr );
+ $response->header( $headerStr );
} else {
- header( $headerStr, true, $e->getCode() );
+ $response->header( $headerStr, true, $e->getCode() );
}
// Reset and print just the error message
}
protected function sendCacheHeaders() {
+ global $wgUseXVO, $wgVaryOnXFP;
+ $response = $this->getRequest()->response();
+
if ( $this->mCacheMode == 'private' ) {
- header( 'Cache-Control: private' );
+ $response->header( 'Cache-Control: private' );
return;
}
if ( $this->mCacheMode == 'anon-public-user-private' ) {
- global $wgUseXVO, $wgOut;
- header( 'Vary: Accept-Encoding, Cookie' );
+ $xfp = $wgVaryOnXFP ? ', X-Forwarded-Proto' : '';
+ $response->header( 'Vary: Accept-Encoding, Cookie' . $xfp );
if ( $wgUseXVO ) {
- header( $wgOut->getXVO() );
- if ( $wgOut->haveCacheVaryCookies() ) {
+ $out = $this->getOutput();
+ if ( $wgVaryOnXFP ) {
+ $out->addVaryHeader( 'X-Forwarded-Proto' );
+ }
+ $response->header( $out->getXVO() );
+ if ( $out->haveCacheVaryCookies() ) {
// Logged in, mark this request private
- header( 'Cache-Control: private' );
+ $response->header( 'Cache-Control: private' );
return;
}
// Logged out, send normal public headers below
} elseif ( session_id() != '' ) {
// Logged in or otherwise has session (e.g. anonymous users who have edited)
// Mark request private
- header( 'Cache-Control: private' );
+ $response->header( 'Cache-Control: private' );
return;
} // else no XVO and anonymous, send public headers below
}
+ // Send public headers
+ if ( $wgVaryOnXFP ) {
+ $response->header( 'Vary: Accept-Encoding, X-Forwarded-Proto' );
+ if ( $wgUseXVO ) {
+ // Bleeeeegh. Our header setting system sucks
+ $response->header( 'X-Vary-Options: Accept-Encoding;list-contains=gzip, X-Forwarded-Proto' );
+ }
+ }
+
// If nobody called setCacheMaxAge(), use the (s)maxage parameters
if ( !isset( $this->mCacheControl['s-maxage'] ) ) {
$this->mCacheControl['s-maxage'] = $this->getParameter( 'smaxage' );
// Public cache not requested
// Sending a Vary header in this case is harmless, and protects us
// against conditional calls of setCacheMaxAge().
- header( 'Cache-Control: private' );
+ $response->header( 'Cache-Control: private' );
return;
}
// Send an Expires header
$maxAge = min( $this->mCacheControl['s-maxage'], $this->mCacheControl['max-age'] );
$expiryUnixTime = ( $maxAge == 0 ? 1 : time() + $maxAge );
- header( 'Expires: ' . wfTimestamp( TS_RFC2822, $expiryUnixTime ) );
+ $response->header( 'Expires: ' . wfTimestamp( TS_RFC2822, $expiryUnixTime ) );
// Construct the Cache-Control header
$ccHeader = '';
}
}
- header( "Cache-Control: $ccHeader" );
+ $response->header( "Cache-Control: $ccHeader" );
}
/**
* Replace the result data with the information about an exception.
* Returns the error code
* @param $e Exception
+ * @return string
*/
protected function substituteResultWithError( $e ) {
+ global $wgShowHostnames;
+
+ $result = $this->getResult();
// Printer may not be initialized if the extractRequestParams() fails for the main module
if ( !isset ( $this->mPrinter ) ) {
// The printer has not been created yet. Try to manually get formatter value.
$this->mPrinter = $this->createPrinterByName( $value );
if ( $this->mPrinter->getNeedsRawData() ) {
- $this->getResult()->setRawMode();
+ $result->setRawMode();
}
}
if ( $e instanceof UsageException ) {
- //
// User entered incorrect parameters - print usage screen
- //
$errMessage = $e->getMessageArray();
// Only print the help message when this is for the developer, not runtime
} else {
global $wgShowSQLErrors, $wgShowExceptionDetails;
- //
// Something is seriously wrong
- //
if ( ( $e instanceof DBQueryError ) && !$wgShowSQLErrors ) {
$info = 'Database query error';
} else {
ApiResult::setContent( $errMessage, $wgShowExceptionDetails ? "\n\n{$e->getTraceAsString()}\n\n" : '' );
}
- $this->getResult()->reset();
- $this->getResult()->disableSizeCheck();
+ $result->reset();
+ $result->disableSizeCheck();
// Re-add the id
$requestid = $this->getParameter( 'requestid' );
if ( !is_null( $requestid ) ) {
- $this->getResult()->addValue( null, 'requestid', $requestid );
+ $result->addValue( null, 'requestid', $requestid );
}
- // servedby is especially useful when debugging errors
- $this->getResult()->addValue( null, 'servedby', wfHostName() );
- $this->getResult()->addValue( null, 'error', $errMessage );
+
+ if ( $wgShowHostnames ) {
+ // servedby is especially useful when debugging errors
+ $result->addValue( null, 'servedby', wfHostName() );
+ }
+
+ $result->addValue( null, 'error', $errMessage );
return $errMessage['code'];
}
/**
* Set up for the execution.
+ * @return array
*/
protected function setupExecuteAction() {
+ global $wgShowHostnames;
+
// First add the id to the top element
+ $result = $this->getResult();
$requestid = $this->getParameter( 'requestid' );
if ( !is_null( $requestid ) ) {
- $this->getResult()->addValue( null, 'requestid', $requestid );
+ $result->addValue( null, 'requestid', $requestid );
}
- $servedby = $this->getParameter( 'servedby' );
- if ( $servedby ) {
- $this->getResult()->addValue( null, 'servedby', wfHostName() );
+
+ if ( $wgShowHostnames ) {
+ $servedby = $this->getParameter( 'servedby' );
+ if ( $servedby ) {
+ $result->addValue( null, 'servedby', wfHostName() );
+ }
}
$params = $this->extractRequestParams();
// Die if token required, but not provided (unless there is a gettoken parameter)
$salt = $module->getTokenSalt();
- if ( $salt !== false && !isset( $moduleParams['gettoken'] ) ) {
+ if ( $salt !== false && !$moduleParams['gettoken'] ) {
if ( !isset( $moduleParams['token'] ) ) {
$this->dieUsageMsg( array( 'missingparam', 'token' ) );
} else {
- global $wgUser;
- if ( !$wgUser->matchEditToken( $moduleParams['token'], $salt ) ) {
- $this->dieUsageMsg( array( 'sessionfailure' ) );
+ if ( !$this->getUser()->matchEditToken( $moduleParams['token'], $salt ) ) {
+ $this->dieUsageMsg( 'sessionfailure' );
}
}
}
$maxLag = $params['maxlag'];
list( $host, $lag ) = wfGetLB()->getMaxLag();
if ( $lag > $maxLag ) {
- header( 'Retry-After: ' . max( intval( $maxLag ), 5 ) );
- header( 'X-Database-Lag: ' . intval( $lag ) );
+ $response = $this->getRequest()->response();
+
+ $response->header( 'Retry-After: ' . max( intval( $maxLag ), 5 ) );
+ $response->header( 'X-Database-Lag: ' . intval( $lag ) );
+
if ( $wgShowHostnames ) {
$this->dieUsage( "Waiting for $host: $lag seconds lagged", 'maxlag' );
} else {
return true;
}
-
/**
* Check for sufficient permissions to execute
* @param $module ApiBase An Api module
*/
protected function checkExecutePermissions( $module ) {
- global $wgUser;
+ $user = $this->getUser();
if ( $module->isReadMode() && !in_array( 'read', User::getGroupPermissions( array( '*' ) ), true ) &&
- !$wgUser->isAllowed( 'read' ) )
+ !$user->isAllowed( 'read' ) )
{
- $this->dieUsageMsg( array( 'readrequired' ) );
+ $this->dieUsageMsg( 'readrequired' );
}
if ( $module->isWriteMode() ) {
if ( !$this->mEnableWrite ) {
- $this->dieUsageMsg( array( 'writedisabled' ) );
+ $this->dieUsageMsg( 'writedisabled' );
}
- if ( !$wgUser->isAllowed( 'writeapi' ) ) {
- $this->dieUsageMsg( array( 'writerequired' ) );
+ if ( !$user->isAllowed( 'writeapi' ) ) {
+ $this->dieUsageMsg( 'writerequired' );
}
if ( wfReadOnly() ) {
$this->dieReadOnly();
*/
protected function setupExternalResponse( $module, $params ) {
// Ignore mustBePosted() for internal calls
- if ( $module->mustBePosted() && !$this->mRequest->wasPosted() ) {
+ if ( $module->mustBePosted() && !$this->getRequest()->wasPosted() ) {
$this->dieUsageMsg( array( 'mustbeposted', $this->mAction ) );
}
/**
* Print results using the current printer
+ *
+ * @param $isError bool
*/
protected function printResult( $isError ) {
$this->getResult()->cleanUpUTF8();
$printer->profileOut();
}
+ /**
+ * @return bool
+ */
public function isReadMode() {
return false;
}
/**
* See ApiBase for description.
+ *
+ * @return array
*/
public function getAllowedParams() {
return array(
/**
* See ApiBase for description.
+ *
+ * @return array
*/
public function getParamDescription() {
return array(
'format' => 'The format of the output',
'action' => 'What action you would like to perform. See below for module help',
'version' => 'When showing help, include version for each module',
- 'maxlag' => 'Maximum lag',
+ 'maxlag' => array(
+ 'Maximum lag can be used when MediaWiki is installed on a database replicated cluster.',
+ 'To save actions causing any more site replication lag, this parameter can make the client',
+ 'wait until the replication lag is less than the specified value.',
+ 'In case of a replag error, a HTTP 503 error is returned, with the message like',
+ '"Waiting for $host: $lag seconds lagged\n".',
+ 'See https://www.mediawiki.org/wiki/Manual:Maxlag_parameter for more information',
+ ),
'smaxage' => 'Set the s-maxage header to this many seconds. Errors are never cached',
'maxage' => 'Set the max-age header to this many seconds. Errors are never cached',
'requestid' => 'Request ID to distinguish requests. This will just be output back to you',
/**
* See ApiBase for description.
+ *
+ * @return array
*/
public function getDescription() {
return array(
'',
'',
- '******************************************************************************************',
- '** **',
- '** This is an auto-generated MediaWiki API documentation page **',
- '** **',
- '** Documentation and Examples: **',
- '** http://www.mediawiki.org/wiki/API **',
- '** **',
- '******************************************************************************************',
+ '**********************************************************************************************************',
+ '** **',
+ '** This is an auto-generated MediaWiki API documentation page **',
+ '** **',
+ '** Documentation and Examples: **',
+ '** https://www.mediawiki.org/wiki/API **',
+ '** **',
+ '**********************************************************************************************************',
'',
'Status: All features shown on this page should be working, but the API',
- ' is still in active development, and may change at any time.',
+ ' is still in active development, and may change at any time.',
' Make sure to monitor our mailing list for any updates',
'',
- 'Documentation: http://www.mediawiki.org/wiki/API',
- 'Mailing list: http://lists.wikimedia.org/mailman/listinfo/mediawiki-api',
- 'Api Announcements: http://lists.wikimedia.org/mailman/listinfo/mediawiki-api-announce',
- 'Bugs & Requests: http://bugzilla.wikimedia.org/buglist.cgi?component=API&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&order=bugs.delta_ts',
+ 'Erroneous requests: When erroneous requests are sent to the API, a HTTP header will be sent',
+ ' with the key "MediaWiki-API-Error" and then both the value of the',
+ ' header and the error code sent back will be set to the same value',
+ '',
+ ' In the case of an invalid action being passed, these will have a value',
+ ' of "unknown_action"',
+ '',
+ ' For more information see https://www.mediawiki.org/wiki/API:Errors_and_warnings',
+ '',
+ 'Documentation: https://www.mediawiki.org/wiki/API:Main_page',
+ 'FAQ https://www.mediawiki.org/wiki/API:FAQ',
+ 'Mailing list: https://lists.wikimedia.org/mailman/listinfo/mediawiki-api',
+ 'Api Announcements: https://lists.wikimedia.org/mailman/listinfo/mediawiki-api-announce',
+ 'Bugs & Requests: https://bugzilla.wikimedia.org/buglist.cgi?component=API&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&order=bugs.delta_ts',
'',
'',
'',
);
}
+ /**
+ * @return array
+ */
public function getPossibleErrors() {
return array_merge( parent::getPossibleErrors(), array(
array( 'readonlytext' ),
/**
* Returns an array of strings with credits for the API
+ * @return array
*/
protected function getCredits() {
return array(
' Yuri Astrakhan <Firstname><Lastname>@gmail.com (creator, lead developer Sep 2006-Sep 2007)',
'',
'Please send your comments, suggestions and questions to mediawiki-api@lists.wikimedia.org',
- 'or file a bug report at http://bugzilla.wikimedia.org/'
+ 'or file a bug report at https://bugzilla.wikimedia.org/'
);
}
+
/**
* Sets whether the pretty-printer should format *bold* and $italics$
+ *
+ * @param $help bool
*/
public function setHelp( $help = true ) {
$this->mPrinter->setHelp( $help );
/**
* Override the parent to generate help messages for all available modules.
+ *
+ * @return string
*/
public function makeHelpMsg() {
- global $wgMemc, $wgAPICacheHelp, $wgAPICacheHelpTimeout;
+ global $wgMemc, $wgAPICacheHelpTimeout;
$this->setHelp();
// Get help text from cache if present
$key = wfMemcKey( 'apihelp', $this->getModuleName(),
SpecialVersion::getVersion( 'nodb' ) .
- $this->getMain()->getShowVersions() );
- if ( $wgAPICacheHelp ) {
+ $this->getShowVersions() );
+ if ( $wgAPICacheHelpTimeout > 0 ) {
$cached = $wgMemc->get( $key );
if ( $cached ) {
return $cached;
}
}
$retval = $this->reallyMakeHelpMsg();
- if ( $wgAPICacheHelp ) {
+ if ( $wgAPICacheHelpTimeout > 0 ) {
$wgMemc->set( $key, $retval, $wgAPICacheHelpTimeout );
}
return $retval;
}
+ /**
+ * @return mixed|string
+ */
public function reallyMakeHelpMsg() {
$this->setHelp();
}
/**
- * @static
- * @param $module ApiBase
- * @param $paramName String What type of request is this? e.g. action, query, list, prop, meta, format
+ * @param $module ApiBase
+ * @param $paramName String What type of request is this? e.g. action, query, list, prop, meta, format
* @return string
*/
public static function makeHelpMsgHeader( $module, $paramName ) {
return "* $paramName={$module->getModuleName()} $modulePrefix*";
}
- private $mIsBot = null;
- private $mIsSysop = null;
private $mCanApiHighLimits = null;
- /**
- * Returns true if the currently logged in user is a bot, false otherwise
- * OBSOLETE, use canApiHighLimits() instead
- */
- public function isBot() {
- if ( !isset( $this->mIsBot ) ) {
- global $wgUser;
- $this->mIsBot = $wgUser->isAllowed( 'bot' );
- }
- return $this->mIsBot;
- }
-
- /**
- * Similar to isBot(), this method returns true if the logged in user is
- * a sysop, and false if not.
- * OBSOLETE, use canApiHighLimits() instead
- */
- public function isSysop() {
- if ( !isset( $this->mIsSysop ) ) {
- global $wgUser;
- $this->mIsSysop = in_array( 'sysop', $wgUser->getGroups() );
- }
-
- return $this->mIsSysop;
- }
-
/**
* Check whether the current user is allowed to use high limits
* @return bool
*/
public function canApiHighLimits() {
if ( !isset( $this->mCanApiHighLimits ) ) {
- global $wgUser;
- $this->mCanApiHighLimits = $wgUser->isAllowed( 'apihighlimits' );
+ $this->mCanApiHighLimits = $this->getUser()->isAllowed( 'apihighlimits' );
}
return $this->mCanApiHighLimits;
/**
* Returns the version information of this file, plus it includes
* the versions for all files that are not callable proper API modules
+ *
+ * @return array
*/
public function getVersion() {
- $vers = array ();
- $vers[] = 'MediaWiki: ' . SpecialVersion::getVersion() . "\n http://svn.wikimedia.org/viewvc/mediawiki/trunk/phase3/";
+ $vers = array();
+ $vers[] = 'MediaWiki: ' . SpecialVersion::getVersion() . "\n https://svn.wikimedia.org/viewvc/mediawiki/trunk/phase3/";
$vers[] = __CLASS__ . ': $Id$';
$vers[] = ApiBase::getBaseVersion();
$vers[] = ApiFormatBase::getBaseVersion();
* Add or overwrite an output format for this ApiMain. Intended for use by extending
* classes who wish to add to or modify current formatters.
*
- * @param $fmtName The identifier for this format.
- * @param $fmtClass The class implementing this format.
+ * @param $fmtName string The identifier for this format.
+ * @param $fmtClass ApiFormatBase The class implementing this format.
*/
protected function addFormat( $fmtName, $fmtClass ) {
$this->mFormats[$fmtName] = $fmtClass;
/**
* Get the array mapping module names to class names
+ * @return array
*/
function getModules() {
return $this->mModules;
}
+
+ /**
+ * Returns the list of supported formats in form ( 'format' => 'ClassName' )
+ *
+ * @since 1.18
+ * @return array
+ */
+ public function getFormats() {
+ return $this->mFormats;
+ }
}
/**
*
* @ingroup API
*/
-class UsageException extends Exception {
+class UsageException extends MWException {
private $mCodestr;
private $mExtraData;
$this->mExtraData = $extradata;
}
+ /**
+ * @return string
+ */
public function getCodeString() {
return $this->mCodestr;
}
+ /**
+ * @return array
+ */
public function getMessageArray() {
$result = array(
'code' => $this->mCodestr,
return $result;
}
+ /**
+ * @return string
+ */
public function __toString() {
return "{$this->getCodeString()}: {$this->getMessage()}";
}