*/
/**
- * This abstract class implements many basic API functions, and is the base of all API classes.
+ * This abstract class implements many basic API functions, and is the base of
+ * all API classes.
* The class functions are divided into several areas of functionality:
- *
- * Module parameters: Derived classes can define getAllowedParams() to specify which parameters to expect,
- * how to parse and validate them.
- *
- * Profiling: various methods to allow keeping tabs on various tasks and their time costs
- *
- * Self-documentation: code to allow api to document its own state.
- *
- * @addtogroup API
+ *
+ * Module parameters: Derived classes can define getAllowedParams() to specify
+ * which parameters to expect,h ow to parse and validate them.
+ *
+ * Profiling: various methods to allow keeping tabs on various tasks and their
+ * time costs
+ *
+ * Self-documentation: code to allow the API to document its own state
+ *
+ * @ingroup API
*/
abstract class ApiBase {
- // These constants allow modules to specify exactly how to treat incomming parameters.
+ // These constants allow modules to specify exactly how to treat incoming parameters.
- const PARAM_DFLT = 0;
- const PARAM_ISMULTI = 1;
- const PARAM_TYPE = 2;
- const PARAM_MAX = 3;
- const PARAM_MAX2 = 4;
- const PARAM_MIN = 5;
+ const PARAM_DFLT = 0; // Default value of the parameter
+ const PARAM_ISMULTI = 1; // Boolean, do we accept more than one item for this parameter (e.g.: titles)?
+ const PARAM_TYPE = 2; // Can be either a string type (e.g.: 'integer') or an array of allowed values
+ const PARAM_MAX = 3; // Max value allowed for a parameter. Only applies if TYPE='integer'
+ const PARAM_MAX2 = 4; // Max value allowed for a parameter for bots and sysops. Only applies if TYPE='integer'
+ const PARAM_MIN = 5; // Lowest value allowed for a parameter. Only applies if TYPE='integer'
+ const PARAM_ALLOW_DUPLICATES = 6; // Boolean, do we allow the same value to be set more than once when ISMULTI=true
const LIMIT_BIG1 = 500; // Fast query, std user limit
const LIMIT_BIG2 = 5000; // Fast query, bot/sysop limit
private $mMainModule, $mModuleName, $mModulePrefix;
/**
- * Constructor
- */
+ * Constructor
+ * @param $mainModule ApiMain object
+ * @param $moduleName string Name of this module
+ * @param $modulePrefix string Prefix to use for parameter names
+ */
public function __construct($mainModule, $moduleName, $modulePrefix = '') {
$this->mMainModule = $mainModule;
$this->mModuleName = $moduleName;
$this->mModulePrefix = $modulePrefix;
}
+ /*****************************************************************************
+ * ABSTRACT METHODS *
+ *****************************************************************************/
+
/**
- * Executes this module
+ * Evaluates the parameters, performs the requested query, and sets up
+ * the result. Concrete implementations of ApiBase must override this
+ * method to provide whatever functionality their module offers.
+ * Implementations must not produce any output on their own and are not
+ * expected to handle any errors.
+ *
+ * The execute() method will be invoked directly by ApiMain immediately
+ * before the result of the module is output. Aside from the
+ * constructor, implementations should assume that no other methods
+ * will be called externally on the module before the result is
+ * processed.
+ *
+ * The result data should be stored in the ApiResult object available
+ * through getResult().
*/
public abstract function execute();
/**
- * Get the name of the module being executed by this instance
+ * Returns a string that identifies the version of the extending class.
+ * Typically includes the class name, the svn revision, timestamp, and
+ * last author. Usually done with SVN's Id keyword
+ * @return string
+ */
+ public abstract function getVersion();
+
+ /**
+ * Get the name of the module being executed by this instance
+ * @return string
*/
public function getModuleName() {
return $this->mModuleName;
}
/**
- * Get parameter prefix (usually two letters or an empty string).
+ * Get parameter prefix (usually two letters or an empty string).
+ * @return string
*/
public function getModulePrefix() {
return $this->mModulePrefix;
- }
+ }
/**
- * Get the name of the module as shown in the profiler log
+ * Get the name of the module as shown in the profiler log
+ * @return string
*/
public function getModuleProfileName($db = false) {
if ($db)
}
/**
- * Get main module
+ * Get the main module
+ * @return ApiMain object
*/
public function getMain() {
return $this->mMainModule;
}
/**
- * If this module's $this is the same as $this->mMainModule, its the root, otherwise no
+ * Returns true if this module is the main module ($this === $this->mMainModule),
+ * false otherwise.
+ * @return bool
*/
public function isMain() {
return $this === $this->mMainModule;
}
/**
- * Get result object
+ * Get the result object
+ * @return ApiResult
*/
public function getResult() {
// Main module has getResult() method overriden
}
/**
- * Get the result data array
+ * Get the result data array (read-only)
+ * @return array
*/
- public function & getResultData() {
+ public function getResultData() {
return $this->getResult()->getData();
}
/**
- * Set warning section for this module. Users should monitor this section to notice any changes in API.
+ * Set warning section for this module. Users should monitor this
+ * section to notice any changes in API. Multiple calls to this
+ * function will result in the warning messages being separated by
+ * newlines
+ * @param $warning string Warning message
*/
public function setWarning($warning) {
+ $data = $this->getResult()->getData();
+ if(isset($data['warnings'][$this->getModuleName()]))
+ {
+ # Don't add duplicate warnings
+ $warn_regex = preg_quote($warning, '/');
+ if(preg_match("/{$warn_regex}(\\n|$)/", $data['warnings'][$this->getModuleName()]['*']))
+ return;
+ $oldwarning = $data['warnings'][$this->getModuleName()]['*'];
+ # If there is a warning already, append it to the existing one
+ $warning = "$oldwarning\n$warning";
+ $this->getResult()->unsetValue('warnings', $this->getModuleName());
+ }
$msg = array();
ApiResult :: setContent($msg, $warning);
+ $this->getResult()->disableSizeCheck();
$this->getResult()->addValue('warnings', $this->getModuleName(), $msg);
+ $this->getResult()->enableSizeCheck();
}
/**
* If the module may only be used with a certain format module,
* it should override this method to return an instance of that formatter.
- * A value of null means the default format will be used.
+ * A value of null means the default format will be used.
+ * @return mixed instance of a derived class of ApiFormatBase, or null
*/
public function getCustomPrinter() {
return null;
/**
* Generates help message for this module, or false if there is no description
+ * @return mixed string or false
*/
public function makeHelpMsg() {
);
$msg = $lnPrfx . implode($lnPrfx, $msg) . "\n";
+ if ($this->isReadMode())
+ $msg .= "\nThis module requires read rights.";
+ if ($this->isWriteMode())
+ $msg .= "\nThis module requires write rights.";
+ if ($this->mustBePosted())
+ $msg .= "\nThis module only accepts POST requests.";
+ if ($this->isReadMode() || $this->isWriteMode() ||
+ $this->mustBePosted())
+ $msg .= "\n";
+
// Parameters
$paramsMsg = $this->makeHelpMsgParameters();
if ($paramsMsg !== false) {
if ($this->getMain()->getShowVersions()) {
$versions = $this->getVersion();
- $pattern = '(\$.*) ([0-9a-z_]+\.php) (.*\$)';
- $replacement = '\\0' . "\n " . 'http://svn.wikimedia.org/viewvc/mediawiki/trunk/phase3/includes/api/\\2';
-
+ $pattern = '/(\$.*) ([0-9a-z_]+\.php) (.*\$)/i';
+ $callback = array($this, 'makeHelpMsg_callback');
+
if (is_array($versions)) {
foreach ($versions as &$v)
- $v = eregi_replace($pattern, $replacement, $v);
+ $v = preg_replace_callback($pattern, $callback, $v);
$versions = implode("\n ", $versions);
}
else
- $versions = eregi_replace($pattern, $replacement, $versions);
+ $versions = preg_replace_callback($pattern, $callback, $versions);
$msg .= "Version:\n $versions\n";
}
return $msg;
}
+ /**
+ * Generates the parameter descriptions for this module, to be displayed in the
+ * module's help.
+ * @return string
+ */
public function makeHelpMsgParameters() {
- $params = $this->getAllowedParams();
- if ($params !== false) {
+ $params = $this->getFinalParams();
+ if ( $params ) {
- $paramsDescription = $this->getParamDescription();
+ $paramsDescription = $this->getFinalParamDescription();
$msg = '';
$paramPrefix = "\n" . str_repeat(' ', 19);
foreach ($params as $paramName => $paramSettings) {
if (is_array($desc))
$desc = implode($paramPrefix, $desc);
- @ $type = $paramSettings[self :: PARAM_TYPE];
+ $type = isset($paramSettings[self :: PARAM_TYPE])? $paramSettings[self :: PARAM_TYPE] : null;
if (isset ($type)) {
if (isset ($paramSettings[self :: PARAM_ISMULTI]))
$prompt = 'Values (separate with \'|\'): ';
$choices = array();
$nothingPrompt = false;
foreach ($type as $t)
- if ($t=='')
+ if ($t === '')
$nothingPrompt = 'Can be empty, or ';
else
$choices[] = $t;
$intRangeStr = "The value must be no more than {$paramSettings[self :: PARAM_MAX]}";
else
$intRangeStr = "The value must be between {$paramSettings[self :: PARAM_MIN]} and {$paramSettings[self :: PARAM_MAX]}";
-
+
$desc .= $paramPrefix . $intRangeStr;
}
break;
} else
return false;
}
+
+ /**
+ * Callback for preg_replace_callback() call in makeHelpMsg().
+ * Replaces a source file name with a link to ViewVC
+ */
+ public function makeHelpMsg_callback($matches) {
+ global $wgAutoloadClasses, $wgAutoloadLocalClasses;
+ if(isset($wgAutoloadLocalClasses[get_class($this)]))
+ $file = $wgAutoloadLocalClasses[get_class($this)];
+ else if(isset($wgAutoloadClasses[get_class($this)]))
+ $file = $wgAutoloadClasses[get_class($this)];
+
+ // Do some guesswork here
+ $path = strstr($file, 'includes/api/');
+ if($path === false)
+ $path = strstr($file, 'extensions/');
+ else
+ $path = 'phase3/' . $path;
+
+ // Get the filename from $matches[2] instead of $file
+ // If they're not the same file, they're assumed to be in the
+ // same directory
+ // This is necessary to make stuff like ApiMain::getVersion()
+ // returning the version string for ApiBase work
+ if($path)
+ return "{$matches[0]}\n http://svn.wikimedia.org/" .
+ "viewvc/mediawiki/trunk/" . dirname($path) .
+ "/{$matches[2]}";
+ return $matches[0];
+ }
/**
* Returns the description string for this module
+ * @return mixed string or array of strings
*/
protected function getDescription() {
return false;
/**
* Returns usage examples for this module. Return null if no examples are available.
+ * @return mixed string or array of strings
*/
protected function getExamples() {
return false;
}
/**
- * Returns an array of allowed parameters (keys) => default value for that parameter
+ * Returns an array of allowed parameters (parameter name) => (default
+ * value) or (parameter name) => (array with PARAM_* constants as keys)
+ * Don't call this function directly: use getFinalParams() to allow
+ * hooks to modify parameters as needed.
+ * @return array
*/
protected function getAllowedParams() {
return false;
}
/**
- * Returns the description string for the given parameter.
+ * Returns an array of parameter descriptions.
+ * Don't call this functon directly: use getFinalParamDescription() to
+ * allow hooks to modify descriptions as needed.
+ * @return array
*/
protected function getParamDescription() {
return false;
}
+
+ /**
+ * Get final list of parameters, after hooks have had a chance to
+ * tweak it as needed.
+ * @return array
+ */
+ public function getFinalParams() {
+ $params = $this->getAllowedParams();
+ wfRunHooks('APIGetAllowedParams', array(&$this, &$params));
+ return $params;
+ }
+
+ /**
+ * Get final description, after hooks have had a chance to tweak it as
+ * needed.
+ * @return array
+ */
+ public function getFinalParamDescription() {
+ $desc = $this->getParamDescription();
+ wfRunHooks('APIGetParamDescription', array(&$this, &$desc));
+ return $desc;
+ }
/**
* This method mangles parameter name based on the prefix supplied to the constructor.
- * Override this method to change parameter name during runtime
+ * Override this method to change parameter name during runtime
+ * @param $paramName string Parameter name
+ * @return string Prefixed parameter name
*/
public function encodeParamName($paramName) {
return $this->mModulePrefix . $paramName;
}
/**
- * Using getAllowedParams(), makes an array of the values provided by the user,
- * with key being the name of the variable, and value - validated value from user or default.
- * This method can be used to generate local variables using extract().
+ * Using getAllowedParams(), this function makes an array of the values
+ * provided by the user, with key being the name of the variable, and
+ * value - validated value from user or default. limit=max will not be
+ * parsed if $parseMaxLimit is set to false; use this when the max
+ * limit is not definitive yet, e.g. when getting revisions.
+ * @param $parseMaxLimit bool
+ * @return array
*/
- public function extractRequestParams() {
- $params = $this->getAllowedParams();
+ public function extractRequestParams($parseMaxLimit = true) {
+ $params = $this->getFinalParams();
$results = array ();
foreach ($params as $paramName => $paramSettings)
- $results[$paramName] = $this->getParameterFromSettings($paramName, $paramSettings);
+ $results[$paramName] = $this->getParameterFromSettings($paramName, $paramSettings, $parseMaxLimit);
return $results;
}
/**
- * Get a value for the given parameter
+ * Get a value for the given parameter
+ * @param $paramName string Parameter name
+ * @param $parseMaxLimit bool see extractRequestParams()
+ * @return mixed Parameter value
*/
- protected function getParameter($paramName) {
- $params = $this->getAllowedParams();
+ protected function getParameter($paramName, $parseMaxLimit = true) {
+ $params = $this->getFinalParams();
$paramSettings = $params[$paramName];
- return $this->getParameterFromSettings($paramName, $paramSettings);
+ return $this->getParameterFromSettings($paramName, $paramSettings, $parseMaxLimit);
+ }
+
+ /**
+ * Die if none or more than one of a certain set of parameters is set
+ * @param $params array of parameter names
+ */
+ public function requireOnlyOneParameter($params) {
+ $required = func_get_args();
+ array_shift($required);
+
+ $intersection = array_intersect(array_keys(array_filter($params,
+ create_function('$x', 'return !is_null($x);')
+ )), $required);
+ if (count($intersection) > 1) {
+ $this->dieUsage('The parameters '.implode(', ', $intersection).' can not be used together', 'invalidparammix');
+ } elseif (count($intersection) == 0) {
+ $this->dieUsage('One of the parameters '.implode(', ', $required).' is required', 'missingparam');
+ }
}
+ /**
+ * Returns an array of the namespaces (by integer id) that exist on the
+ * wiki. Used primarily in help documentation.
+ * @return array
+ */
public static function getValidNamespaces() {
static $mValidNamespaces = null;
if (is_null($mValidNamespaces)) {
/**
* Using the settings determine the value for the given parameter
+ *
* @param $paramName String: parameter name
- * @param $paramSettings Mixed: default value or an array of settings using PARAM_* constants.
+ * @param $paramSettings Mixed: default value or an array of settings
+ * using PARAM_* constants.
+ * @param $parseMaxLimit Boolean: parse limit when max is given?
+ * @return mixed Parameter value
*/
- protected function getParameterFromSettings($paramName, $paramSettings) {
+ protected function getParameterFromSettings($paramName, $paramSettings, $parseMaxLimit) {
// Some classes may decide to change parameter names
$encParamName = $this->encodeParamName($paramName);
$default = $paramSettings;
$multi = false;
$type = gettype($paramSettings);
+ $dupes = false;
} else {
$default = isset ($paramSettings[self :: PARAM_DFLT]) ? $paramSettings[self :: PARAM_DFLT] : null;
$multi = isset ($paramSettings[self :: PARAM_ISMULTI]) ? $paramSettings[self :: PARAM_ISMULTI] : false;
$type = isset ($paramSettings[self :: PARAM_TYPE]) ? $paramSettings[self :: PARAM_TYPE] : null;
+ $dupes = isset ($paramSettings[self:: PARAM_ALLOW_DUPLICATES]) ? $paramSettings[self :: PARAM_ALLOW_DUPLICATES] : false;
// When type is not given, and no choices, the type is the same as $default
if (!isset ($type)) {
$value = is_array($value) ? array_map('intval', $value) : intval($value);
$min = isset ($paramSettings[self :: PARAM_MIN]) ? $paramSettings[self :: PARAM_MIN] : null;
$max = isset ($paramSettings[self :: PARAM_MAX]) ? $paramSettings[self :: PARAM_MAX] : null;
-
+
if (!is_null($min) || !is_null($max)) {
$values = is_array($value) ? $value : array($value);
foreach ($values as $v) {
if ($multi)
ApiBase :: dieDebug(__METHOD__, "Multi-values not supported for $encParamName");
$min = isset ($paramSettings[self :: PARAM_MIN]) ? $paramSettings[self :: PARAM_MIN] : 0;
- $value = intval($value);
- $this->validateLimit($paramName, $value, $min, $paramSettings[self :: PARAM_MAX], $paramSettings[self :: PARAM_MAX2]);
+ if( $value == 'max' ) {
+ if( $parseMaxLimit ) {
+ $value = $this->getMain()->canApiHighLimits() ? $paramSettings[self :: PARAM_MAX2] : $paramSettings[self :: PARAM_MAX];
+ $this->getResult()->addValue( 'limits', $this->getModuleName(), $value );
+ $this->validateLimit($paramName, $value, $min, $paramSettings[self :: PARAM_MAX], $paramSettings[self :: PARAM_MAX2]);
+ }
+ }
+ else {
+ $value = intval($value);
+ $this->validateLimit($paramName, $value, $min, $paramSettings[self :: PARAM_MAX], $paramSettings[self :: PARAM_MAX2]);
+ }
break;
case 'boolean' :
if ($multi)
}
}
- // There should never be any duplicate values in a list
- if (is_array($value))
+ // Throw out duplicates if requested
+ if (is_array($value) && !$dupes)
$value = array_unique($value);
}
/**
* Return an array of values that were given in a 'a|b|c' notation,
* after it optionally validates them against the list allowed values.
- *
- * @param valueName - The name of the parameter (for error reporting)
- * @param value - The value being parsed
- * @param allowMultiple - Can $value contain more than one value separated by '|'?
- * @param allowedValues - An array of values to check against. If null, all values are accepted.
- * @return (allowMultiple ? an_array_of_values : a_single_value)
+ *
+ * @param $valueName string The name of the parameter (for error
+ * reporting)
+ * @param $value mixed The value being parsed
+ * @param $allowMultiple bool Can $value contain more than one value
+ * separated by '|'?
+ * @param $allowedValues mixed An array of values to check against. If
+ * null, all values are accepted.
+ * @return mixed (allowMultiple ? an_array_of_values : a_single_value)
*/
protected function parseMultiValue($valueName, $value, $allowMultiple, $allowedValues) {
- $valuesList = explode('|', $value);
+ if( trim($value) === "" && $allowMultiple)
+ return array();
+ $sizeLimit = $this->mMainModule->canApiHighLimits() ? self::LIMIT_SML2 : self::LIMIT_SML1;
+ $valuesList = explode('|', $value, $sizeLimit + 1);
+ if( self::truncateArray($valuesList, $sizeLimit) ) {
+ $this->setWarning("Too many values supplied for parameter '$valueName': the limit is $sizeLimit");
+ }
if (!$allowMultiple && count($valuesList) != 1) {
$possibleValues = is_array($allowedValues) ? "of '" . implode("', '", $allowedValues) . "'" : '';
$this->dieUsage("Only one $possibleValues is allowed for parameter '$valueName'", "multival_$valueName");
}
if (is_array($allowedValues)) {
- $unknownValues = array_diff($valuesList, $allowedValues);
- if ($unknownValues) {
- $this->dieUsage('Unrecognised value' . (count($unknownValues) > 1 ? "s" : "") . " for parameter '$valueName'", "unknown_$valueName");
+ # Check for unknown values
+ $unknown = array_diff($valuesList, $allowedValues);
+ if(count($unknown))
+ {
+ if($allowMultiple)
+ {
+ $s = count($unknown) > 1 ? "s" : "";
+ $vals = implode(", ", $unknown);
+ $this->setWarning("Unrecognized value$s for parameter '$valueName': $vals");
+ }
+ else
+ $this->dieUsage("Unrecognized value for parameter '$valueName': {$valuesList[0]}", "unknown_$valueName");
}
+ # Now throw them out
+ $valuesList = array_intersect($valuesList, $allowedValues);
}
return $allowMultiple ? $valuesList : $valuesList[0];
}
/**
- * Validate the value against the minimum and user/bot maximum limits. Prints usage info on failure.
- */
+ * Validate the value against the minimum and user/bot maximum limits.
+ * Prints usage info on failure.
+ * @param $paramName string Parameter name
+ * @param $value int Parameter value
+ * @param $min int Minimum value
+ * @param $max int Maximum value for users
+ * @param $botMax int Maximum value for sysops/bots
+ */
function validateLimit($paramName, $value, $min, $max, $botMax = null) {
if (!is_null($min) && $value < $min) {
$this->dieUsage($this->encodeParamName($paramName) . " may not be less than $min (set to $value)", $paramName);
// Optimization: do not check user's bot status unless really needed -- skips db query
// assumes $botMax >= $max
if (!is_null($max) && $value > $max) {
- if (!is_null($botMax) && ($this->getMain()->isBot() || $this->getMain()->isSysop())) {
+ if (!is_null($botMax) && $this->getMain()->canApiHighLimits()) {
if ($value > $botMax) {
$this->dieUsage($this->encodeParamName($paramName) . " may not be over $botMax (set to $value) for bots or sysops", $paramName);
}
}
}
}
+
+ /**
+ * Truncate an array to a certain length.
+ * @param $arr array Array to truncate
+ * @param $limit int Maximum length
+ * @return bool True if the array was truncated, false otherwise
+ */
+ public static function truncateArray(&$arr, $limit)
+ {
+ $modified = false;
+ while(count($arr) > $limit)
+ {
+ $junk = array_pop($arr);
+ $modified = true;
+ }
+ return $modified;
+ }
+
+ /**
+ * Call the main module's error handler
+ * @param $description string Error text
+ * @param $errorCode string Error code
+ * @param $httpRespCode int HTTP response code
+ */
+ public function dieUsage($description, $errorCode, $httpRespCode = 0, $extradata = null) {
+ wfProfileClose();
+ throw new UsageException($description, $this->encodeParamName($errorCode), $httpRespCode, $extradata);
+ }
+
+ /**
+ * Array that maps message keys to error messages. $1 and friends are replaced.
+ */
+ public static $messageMap = array(
+ // This one MUST be present, or dieUsageMsg() will recurse infinitely
+ 'unknownerror' => array('code' => 'unknownerror', 'info' => "Unknown error: ``\$1''"),
+ 'unknownerror-nocode' => array('code' => 'unknownerror', 'info' => 'Unknown error'),
+
+ // Messages from Title::getUserPermissionsErrors()
+ 'ns-specialprotected' => array('code' => 'unsupportednamespace', 'info' => "Pages in the Special namespace can't be edited"),
+ 'protectedinterface' => array('code' => 'protectednamespace-interface', 'info' => "You're not allowed to edit interface messages"),
+ 'namespaceprotected' => array('code' => 'protectednamespace', 'info' => "You're not allowed to edit pages in the ``\$1'' namespace"),
+ 'customcssjsprotected' => array('code' => 'customcssjsprotected', 'info' => "You're not allowed to edit custom CSS and JavaScript pages"),
+ 'cascadeprotected' => array('code' => 'cascadeprotected', 'info' =>"The page you're trying to edit is protected because it's included in a cascade-protected page"),
+ 'protectedpagetext' => array('code' => 'protectedpage', 'info' => "The ``\$1'' right is required to edit this page"),
+ 'protect-cantedit' => array('code' => 'cantedit', 'info' => "You can't protect this page because you can't edit it"),
+ 'badaccess-group0' => array('code' => 'permissiondenied', 'info' => "Permission denied"), // Generic permission denied message
+ 'badaccess-groups' => array('code' => 'permissiondenied', 'info' => "Permission denied"),
+ 'titleprotected' => array('code' => 'protectedtitle', 'info' => "This title has been protected from creation"),
+ 'nocreate-loggedin' => array('code' => 'cantcreate', 'info' => "You don't have permission to create new pages"),
+ 'nocreatetext' => array('code' => 'cantcreate-anon', 'info' => "Anonymous users can't create new pages"),
+ 'movenologintext' => array('code' => 'cantmove-anon', 'info' => "Anonymous users can't move pages"),
+ 'movenotallowed' => array('code' => 'cantmove', 'info' => "You don't have permission to move pages"),
+ 'confirmedittext' => array('code' => 'confirmemail', 'info' => "You must confirm your e-mail address before you can edit"),
+ 'blockedtext' => array('code' => 'blocked', 'info' => "You have been blocked from editing"),
+ 'autoblockedtext' => array('code' => 'autoblocked', 'info' => "Your IP address has been blocked automatically, because it was used by a blocked user"),
+
+ // Miscellaneous interface messages
+ 'actionthrottledtext' => array('code' => 'ratelimited', 'info' => "You've exceeded your rate limit. Please wait some time and try again"),
+ 'alreadyrolled' => array('code' => 'alreadyrolled', 'info' => "The page you tried to rollback was already rolled back"),
+ 'cantrollback' => array('code' => 'onlyauthor', 'info' => "The page you tried to rollback only has one author"),
+ 'readonlytext' => array('code' => 'readonly', 'info' => "The wiki is currently in read-only mode"),
+ 'sessionfailure' => array('code' => 'badtoken', 'info' => "Invalid token"),
+ 'cannotdelete' => array('code' => 'cantdelete', 'info' => "Couldn't delete ``\$1''. Maybe it was deleted already by someone else"),
+ 'notanarticle' => array('code' => 'missingtitle', 'info' => "The page you requested doesn't exist"),
+ 'selfmove' => array('code' => 'selfmove', 'info' => "Can't move a page to itself"),
+ 'immobile_namespace' => array('code' => 'immobilenamespace', 'info' => "You tried to move pages from or to a namespace that is protected from moving"),
+ 'articleexists' => array('code' => 'articleexists', 'info' => "The destination article already exists and is not a redirect to the source article"),
+ 'protectedpage' => array('code' => 'protectedpage', 'info' => "You don't have permission to perform this move"),
+ 'hookaborted' => array('code' => 'hookaborted', 'info' => "The modification you tried to make was aborted by an extension hook"),
+ 'cantmove-titleprotected' => array('code' => 'protectedtitle', 'info' => "The destination article has been protected from creation"),
+ 'imagenocrossnamespace' => array('code' => 'nonfilenamespace', 'info' => "Can't move a file to a non-file namespace"),
+ 'imagetypemismatch' => array('code' => 'filetypemismatch', 'info' => "The new file extension doesn't match its type"),
+ // 'badarticleerror' => shouldn't happen
+ // 'badtitletext' => shouldn't happen
+ 'ip_range_invalid' => array('code' => 'invalidrange', 'info' => "Invalid IP range"),
+ 'range_block_disabled' => array('code' => 'rangedisabled', 'info' => "Blocking IP ranges has been disabled"),
+ 'nosuchusershort' => array('code' => 'nosuchuser', 'info' => "The user you specified doesn't exist"),
+ 'badipaddress' => array('code' => 'invalidip', 'info' => "Invalid IP address specified"),
+ 'ipb_expiry_invalid' => array('code' => 'invalidexpiry', 'info' => "Invalid expiry time"),
+ 'ipb_already_blocked' => array('code' => 'alreadyblocked', 'info' => "The user you tried to block was already blocked"),
+ 'ipb_blocked_as_range' => array('code' => 'blockedasrange', 'info' => "IP address ``\$1'' was blocked as part of range ``\$2''. You can't unblock the IP invidually, but you can unblock the range as a whole."),
+ 'ipb_cant_unblock' => array('code' => 'cantunblock', 'info' => "The block you specified was not found. It may have been unblocked already"),
+ 'mailnologin' => array('code' => 'cantsend', 'info' => "You're not logged in or you don't have a confirmed e-mail address, so you can't send e-mail"),
+ 'usermaildisabled' => array('code' => 'usermaildisabled', 'info' => "User email has been disabled"),
+ 'blockedemailuser' => array('code' => 'blockedfrommail', 'info' => "You have been blocked from sending e-mail"),
+ 'notarget' => array('code' => 'notarget', 'info' => "You have not specified a valid target for this action"),
+ 'noemail' => array('code' => 'noemail', 'info' => "The user has not specified a valid e-mail address, or has chosen not to receive e-mail from other users"),
+ 'rcpatroldisabled' => array('code' => 'patroldisabled', 'info' => "Patrolling is disabled on this wiki"),
+ 'markedaspatrollederror-noautopatrol' => array('code' => 'noautopatrol', 'info' => "You don't have permission to patrol your own changes"),
+ 'delete-toobig' => array('code' => 'bigdelete', 'info' => "You can't delete this page because it has more than \$1 revisions"),
+ 'movenotallowedfile' => array('code' => 'cantmovefile', 'info' => "You don't have permission to move files"),
+ 'userrights-no-interwiki' => array('code' => 'nointerwikiuserrights', 'info' => "You don't have permission to change user rights on other wikis"),
+ 'userrights-nodatabase' => array('code' => 'nosuchdatabase', 'info' => "Database ``\$1'' does not exist or is not local"),
+ 'nouserspecified' => array('code' => 'invaliduser', 'info' => "Invalid username ``\$1''"),
+ 'noname' => array('code' => 'invaliduser', 'info' => "Invalid username ``\$1''"),
+
+ // API-specific messages
+ 'readrequired' => array('code' => 'readapidenied', 'info' => "You need read permission to use this module"),
+ 'writedisabled' => array('code' => 'noapiwrite', 'info' => "Editing of this wiki through the API is disabled. Make sure the \$wgEnableWriteAPI=true; statement is included in the wiki's LocalSettings.php file"),
+ 'writerequired' => array('code' => 'writeapidenied', 'info' => "You're not allowed to edit this wiki through the API"),
+ 'missingparam' => array('code' => 'no$1', 'info' => "The \$1 parameter must be set"),
+ 'invalidtitle' => array('code' => 'invalidtitle', 'info' => "Bad title ``\$1''"),
+ 'nosuchpageid' => array('code' => 'nosuchpageid', 'info' => "There is no page with ID \$1"),
+ 'nosuchrevid' => array('code' => 'nosuchrevid', 'info' => "There is no revision with ID \$1"),
+ 'nosuchuser' => array('code' => 'nosuchuser', 'info' => "User ``\$1'' doesn't exist"),
+ 'invaliduser' => array('code' => 'invaliduser', 'info' => "Invalid username ``\$1''"),
+ 'invalidexpiry' => array('code' => 'invalidexpiry', 'info' => "Invalid expiry time ``\$1''"),
+ 'pastexpiry' => array('code' => 'pastexpiry', 'info' => "Expiry time ``\$1'' is in the past"),
+ 'create-titleexists' => array('code' => 'create-titleexists', 'info' => "Existing titles can't be protected with 'create'"),
+ 'missingtitle-createonly' => array('code' => 'missingtitle-createonly', 'info' => "Missing titles can only be protected with 'create'"),
+ 'cantblock' => array('code' => 'cantblock', 'info' => "You don't have permission to block users"),
+ 'canthide' => array('code' => 'canthide', 'info' => "You don't have permission to hide user names from the block log"),
+ 'cantblock-email' => array('code' => 'cantblock-email', 'info' => "You don't have permission to block users from sending e-mail through the wiki"),
+ 'unblock-notarget' => array('code' => 'notarget', 'info' => "Either the id or the user parameter must be set"),
+ 'unblock-idanduser' => array('code' => 'idanduser', 'info' => "The id and user parameters can't be used together"),
+ 'cantunblock' => array('code' => 'permissiondenied', 'info' => "You don't have permission to unblock users"),
+ 'cannotundelete' => array('code' => 'cantundelete', 'info' => "Couldn't undelete: the requested revisions may not exist, or may have been undeleted already"),
+ 'permdenied-undelete' => array('code' => 'permissiondenied', 'info' => "You don't have permission to restore deleted revisions"),
+ 'createonly-exists' => array('code' => 'articleexists', 'info' => "The article you tried to create has been created already"),
+ 'nocreate-missing' => array('code' => 'missingtitle', 'info' => "The article you tried to edit doesn't exist"),
+ 'nosuchrcid' => array('code' => 'nosuchrcid', 'info' => "There is no change with rcid ``\$1''"),
+ 'cantpurge' => array('code' => 'cantpurge', 'info' => "Only users with the 'purge' right can purge pages via the API"),
+ 'protect-invalidaction' => array('code' => 'protect-invalidaction', 'info' => "Invalid protection type ``\$1''"),
+ 'protect-invalidlevel' => array('code' => 'protect-invalidlevel', 'info' => "Invalid protection level ``\$1''"),
+ 'toofewexpiries' => array('code' => 'toofewexpiries', 'info' => "\$1 expiry timestamps were provided where \$2 were needed"),
+ 'cantimport' => array('code' => 'cantimport', 'info' => "You don't have permission to import pages"),
+ 'cantimport-upload' => array('code' => 'cantimport-upload', 'info' => "You don't have permission to import uploaded pages"),
+ 'nouploadmodule' => array( 'code' => 'nomodule', 'info' => 'No upload module set' ),
+ 'importnofile' => array('code' => 'nofile', 'info' => "You didn't upload a file"),
+ 'importuploaderrorsize' => array('code' => 'filetoobig', 'info' => 'The file you uploaded is bigger than the maximum upload size'),
+ 'importuploaderrorpartial' => array('code' => 'partialupload', 'info' => 'The file was only partially uploaded'),
+ 'importuploaderrortemp' => array('code' => 'notempdir', 'info' => 'The temporary upload directory is missing'),
+ 'importcantopen' => array('code' => 'cantopenfile', 'info' => "Couldn't open the uploaded file"),
+ 'import-noarticle' => array('code' => 'badinterwiki', 'info' => 'Invalid interwiki title specified'),
+ 'importbadinterwiki' => array('code' => 'badinterwiki', 'info' => 'Invalid interwiki title specified'),
+ 'import-unknownerror' => array('code' => 'import-unknownerror', 'info' => "Unknown error on import: ``\$1''"),
+
+ // ApiEditPage messages
+ 'noimageredirect-anon' => array('code' => 'noimageredirect-anon', 'info' => "Anonymous users can't create image redirects"),
+ 'noimageredirect-logged' => array('code' => 'noimageredirect', 'info' => "You don't have permission to create image redirects"),
+ 'spamdetected' => array('code' => 'spamdetected', 'info' => "Your edit was refused because it contained a spam fragment: ``\$1''"),
+ 'filtered' => array('code' => 'filtered', 'info' => "The filter callback function refused your edit"),
+ 'contenttoobig' => array('code' => 'contenttoobig', 'info' => "The content you supplied exceeds the article size limit of \$1 kilobytes"),
+ 'noedit-anon' => array('code' => 'noedit-anon', 'info' => "Anonymous users can't edit pages"),
+ 'noedit' => array('code' => 'noedit', 'info' => "You don't have permission to edit pages"),
+ 'wasdeleted' => array('code' => 'pagedeleted', 'info' => "The page has been deleted since you fetched its timestamp"),
+ 'blankpage' => array('code' => 'emptypage', 'info' => "Creating new, empty pages is not allowed"),
+ 'editconflict' => array('code' => 'editconflict', 'info' => "Edit conflict detected"),
+ 'hashcheckfailed' => array('code' => 'badmd5', 'info' => "The supplied MD5 hash was incorrect"),
+ 'missingtext' => array('code' => 'notext', 'info' => "One of the text, appendtext, prependtext and undo parameters must be set"),
+ 'emptynewsection' => array('code' => 'emptynewsection', 'info' => 'Creating empty new sections is not possible.'),
+ 'revwrongpage' => array('code' => 'revwrongpage', 'info' => "r\$1 is not a revision of ``\$2''"),
+ 'undo-failure' => array('code' => 'undofailure', 'info' => 'Undo failed due to conflicting intermediate edits'),
+
+ //uploadMsgs
+ 'invalid-session-key' => array( 'code' => 'invalid-session-key', 'info'=>'Not a valid session key' ),
+ );
+
+ /**
+ * Helper function for readonly errors
+ */
+ public function dieReadOnly() {
+ $parsed = $this->parseMsg( array( 'readonlytext' ) );
+ $this->dieUsage($parsed['info'], $parsed['code'], /* http error */ 0,
+ array( 'readonlyreason' => wfReadOnlyReason() ) );
+ }
/**
- * Call main module's error handler
+ * Output the error message related to a certain array
+ * @param $error array Element of a getUserPermissionsErrors()-style array
+ */
+ public function dieUsageMsg($error) {
+ $parsed = $this->parseMsg($error);
+ $this->dieUsage($parsed['info'], $parsed['code']);
+ }
+
+ /**
+ * Return the error message related to a certain array
+ * @param $error array Element of a getUserPermissionsErrors()-style array
+ * @return array('code' => code, 'info' => info)
*/
- public function dieUsage($description, $errorCode, $httpRespCode = 0) {
- throw new UsageException($description, $this->encodeParamName($errorCode), $httpRespCode);
+ public function parseMsg($error) {
+ $key = array_shift($error);
+ if(isset(self::$messageMap[$key]))
+ return array( 'code' =>
+ wfMsgReplaceArgs(self::$messageMap[$key]['code'], $error),
+ 'info' =>
+ wfMsgReplaceArgs(self::$messageMap[$key]['info'], $error)
+ );
+ // If the key isn't present, throw an "unknown error"
+ return $this->parseMsg(array('unknownerror', $key));
}
/**
* Internal code errors should be reported with this method
+ * @param $method string Method or function name
+ * @param $message string Error message
*/
protected static function dieDebug($method, $message) {
wfDebugDieBacktrace("Internal error in $method: $message");
}
- private $mRawFormat = false;
-
/**
- * Returns if module supports raw mode
+ * Indicates if this module needs maxlag to be checked
+ * @return bool
*/
- public function supportRaw() {
- return false;
+ public function shouldCheckMaxlag() {
+ return true;
}
/**
- * Enables raw mode
+ * Indicates whether this module requires read rights
+ * @return bool
*/
- public function setRaw() {
- $this->mRawFormat = true;
+ public function isReadMode() {
+ return true;
+ }
+ /**
+ * Indicates whether this module requires write mode
+ * @return bool
+ */
+ public function isWriteMode() {
+ return false;
}
/**
- * Checks if raw mode is enabled
+ * Indicates whether this module must be called with a POST request
+ * @return bool
*/
- public function isRaw() {
- return $this->mRawFormat;
+ public function mustBePosted() {
+ return false;
}
+
/**
* Profiling: total module execution time
*/
/**
* When modules crash, sometimes it is needed to do a profileOut() regardless
- * of the profiling state the module was in. This method does such cleanup.
+ * of the profiling state the module was in. This method does such cleanup.
*/
public function safeProfileOut() {
if ($this->mTimeIn !== 0) {
/**
* Total time the module was executed
+ * @return float
*/
public function getProfileTime() {
if ($this->mTimeIn !== 0)
/**
* Total time the module used the database
+ * @return float
*/
public function getProfileDBTime() {
if ($this->mDBTimeIn !== 0)
ApiBase :: dieDebug(__METHOD__, 'called without calling profileDBOut() first');
return $this->mDBTime;
}
-
+
+ /**
+ * Debugging function that prints a value and an optional backtrace
+ * @param $value mixed Value to print
+ * @param $name string Description of the printed value
+ * @param $backtrace bool If true, print a backtrace
+ */
public static function debugPrint($value, $name = 'unknown', $backtrace = false) {
- print "\n\n<pre><b>Debuging value '$name':</b>\n\n";
+ print "\n\n<pre><b>Debugging value '$name':</b>\n\n";
var_export($value);
if ($backtrace)
print "\n" . wfBacktrace();
print "\n</pre>\n";
}
- public abstract function getVersion();
+ /**
+ * Returns a string that identifies the version of this class.
+ * @return string
+ */
public static function getBaseVersion() {
return __CLASS__ . ': $Id$';
}
}
-
-