MediaWiki  1.23.2
AjaxDispatcher.php
Go to the documentation of this file.
1 <?php
37  private $mode;
38 
43  private $func_name;
44 
48  private $args;
49 
53  function __construct() {
54  wfProfileIn( __METHOD__ );
55 
56  $this->mode = "";
57 
58  if ( ! empty( $_GET["rs"] ) ) {
59  $this->mode = "get";
60  }
61 
62  if ( !empty( $_POST["rs"] ) ) {
63  $this->mode = "post";
64  }
65 
66  switch ( $this->mode ) {
67  case 'get':
68  $this->func_name = isset( $_GET["rs"] ) ? $_GET["rs"] : '';
69  if ( ! empty( $_GET["rsargs"] ) ) {
70  $this->args = $_GET["rsargs"];
71  } else {
72  $this->args = array();
73  }
74  break;
75  case 'post':
76  $this->func_name = isset( $_POST["rs"] ) ? $_POST["rs"] : '';
77  if ( ! empty( $_POST["rsargs"] ) ) {
78  $this->args = $_POST["rsargs"];
79  } else {
80  $this->args = array();
81  }
82  break;
83  default:
84  wfProfileOut( __METHOD__ );
85  return;
86  # Or we could throw an exception:
87  # throw new MWException( __METHOD__ . ' called without any data (mode empty).' );
88  }
89 
90  wfProfileOut( __METHOD__ );
91  }
92 
99  function performAction() {
100  global $wgAjaxExportList, $wgUser;
101 
102  if ( empty( $this->mode ) ) {
103  return;
104  }
105 
106  wfProfileIn( __METHOD__ );
107 
108  if ( ! in_array( $this->func_name, $wgAjaxExportList ) ) {
109  wfDebug( __METHOD__ . ' Bad Request for unknown function ' . $this->func_name . "\n" );
110 
111  wfHttpError(
112  400,
113  'Bad Request',
114  "unknown function " . $this->func_name
115  );
116  } elseif ( !User::isEveryoneAllowed( 'read' ) && !$wgUser->isAllowed( 'read' ) ) {
117  wfHttpError(
118  403,
119  'Forbidden',
120  'You are not allowed to view pages.' );
121  } else {
122  wfDebug( __METHOD__ . ' dispatching ' . $this->func_name . "\n" );
123 
124  try {
125  $result = call_user_func_array( $this->func_name, $this->args );
126 
127  if ( $result === false || $result === null ) {
128  wfDebug( __METHOD__ . ' ERROR while dispatching '
129  . $this->func_name . "(" . var_export( $this->args, true ) . "): "
130  . "no data returned\n" );
131 
132  wfHttpError( 500, 'Internal Error',
133  "{$this->func_name} returned no data" );
134  } else {
135  if ( is_string( $result ) ) {
136  $result = new AjaxResponse( $result );
137  }
138 
139  $result->sendHeaders();
140  $result->printText();
141 
142  wfDebug( __METHOD__ . ' dispatch complete for ' . $this->func_name . "\n" );
143  }
144  } catch ( Exception $e ) {
145  wfDebug( __METHOD__ . ' ERROR while dispatching '
146  . $this->func_name . "(" . var_export( $this->args, true ) . "): "
147  . get_class( $e ) . ": " . $e->getMessage() . "\n" );
148 
149  if ( !headers_sent() ) {
150  wfHttpError( 500, 'Internal Error',
151  $e->getMessage() );
152  } else {
153  print $e->getMessage();
154  }
155  }
156  }
157 
158  wfProfileOut( __METHOD__ );
159  }
160 }
$wgUser
$wgUser
Definition: Setup.php:552
$result
The index of the header message $result[1]=The index of the body text message $result[2 through n]=Parameters passed to body text message. Please note the header message cannot receive/use parameters. 'ImportHandleLogItemXMLTag':When parsing a XML tag in a log item. $reader:XMLReader object $logInfo:Array of information Return false to stop further processing of the tag 'ImportHandlePageXMLTag':When parsing a XML tag in a page. $reader:XMLReader object $pageInfo:Array of information Return false to stop further processing of the tag 'ImportHandleRevisionXMLTag':When parsing a XML tag in a page revision. $reader:XMLReader object $pageInfo:Array of page information $revisionInfo:Array of revision information Return false to stop further processing of the tag 'ImportHandleToplevelXMLTag':When parsing a top level XML tag. $reader:XMLReader object Return false to stop further processing of the tag 'ImportHandleUploadXMLTag':When parsing a XML tag in a file upload. $reader:XMLReader object $revisionInfo:Array of information Return false to stop further processing of the tag 'InfoAction':When building information to display on the action=info page. $context:IContextSource object & $pageInfo:Array of information 'InitializeArticleMaybeRedirect':MediaWiki check to see if title is a redirect. $title:Title object for the current page $request:WebRequest $ignoreRedirect:boolean to skip redirect check $target:Title/string of redirect target $article:Article object 'InterwikiLoadPrefix':When resolving if a given prefix is an interwiki or not. Return true without providing an interwiki to continue interwiki search. $prefix:interwiki prefix we are looking for. & $iwData:output array describing the interwiki with keys iw_url, iw_local, iw_trans and optionally iw_api and iw_wikiid. 'InternalParseBeforeSanitize':during Parser 's internalParse method just before the parser removes unwanted/dangerous HTML tags and after nowiki/noinclude/includeonly/onlyinclude and other processings. Ideal for syntax-extensions after template/parser function execution which respect nowiki and HTML-comments. & $parser:Parser object & $text:string containing partially parsed text & $stripState:Parser 's internal StripState object 'InternalParseBeforeLinks':during Parser 's internalParse method before links but after nowiki/noinclude/includeonly/onlyinclude and other processings. & $parser:Parser object & $text:string containing partially parsed text & $stripState:Parser 's internal StripState object 'InvalidateEmailComplete':Called after a user 's email has been invalidated successfully. $user:user(object) whose email is being invalidated 'IRCLineURL':When constructing the URL to use in an IRC notification. Callee may modify $url and $query, URL will be constructed as $url . $query & $url:URL to index.php & $query:Query string $rc:RecentChange object that triggered url generation 'IsFileCacheable':Override the result of Article::isFileCacheable()(if true) $article:article(object) being checked 'IsTrustedProxy':Override the result of wfIsTrustedProxy() $ip:IP being check $result:Change this value to override the result of wfIsTrustedProxy() 'IsUploadAllowedFromUrl':Override the result of UploadFromUrl::isAllowedUrl() $url:URL used to upload from & $allowed:Boolean indicating if uploading is allowed for given URL 'isValidEmailAddr':Override the result of User::isValidEmailAddr(), for instance to return false if the domain name doesn 't match your organization. $addr:The e-mail address entered by the user & $result:Set this and return false to override the internal checks 'isValidPassword':Override the result of User::isValidPassword() $password:The password entered by the user & $result:Set this and return false to override the internal checks $user:User the password is being validated for 'Language::getMessagesFileName':$code:The language code or the language we 're looking for a messages file for & $file:The messages file path, you can override this to change the location. 'LanguageGetNamespaces':Provide custom ordering for namespaces or remove namespaces. Do not use this hook to add namespaces. Use CanonicalNamespaces for that. & $namespaces:Array of namespaces indexed by their numbers 'LanguageGetMagic':DEPRECATED, use $magicWords in a file listed in $wgExtensionMessagesFiles instead. Use this to define synonyms of magic words depending of the language $magicExtensions:associative array of magic words synonyms $lang:language code(string) 'LanguageGetSpecialPageAliases':DEPRECATED, use $specialPageAliases in a file listed in $wgExtensionMessagesFiles instead. Use to define aliases of special pages names depending of the language $specialPageAliases:associative array of magic words synonyms $lang:language code(string) 'LanguageGetTranslatedLanguageNames':Provide translated language names. & $names:array of language code=> language name $code language of the preferred translations 'LanguageLinks':Manipulate a page 's language links. This is called in various places to allow extensions to define the effective language links for a page. $title:The page 's Title. & $links:Associative array mapping language codes to prefixed links of the form "language:title". & $linkFlags:Associative array mapping prefixed links to arrays of flags. Currently unused, but planned to provide support for marking individual language links in the UI, e.g. for featured articles. 'LinkBegin':Used when generating internal and interwiki links in Linker::link(), before processing starts. Return false to skip default processing and return $ret. See documentation for Linker::link() for details on the expected meanings of parameters. $skin:the Skin object $target:the Title that the link is pointing to & $html:the contents that the< a > tag should have(raw HTML) $result
Definition: hooks.txt:1528
php
skin txt MediaWiki includes four core it has been set as the default in MediaWiki since the replacing Monobook it had been been the default skin since before being replaced by Vector largely rewritten in while keeping its appearance Several legacy skins were removed in the as the burden of supporting them became too heavy to bear Those in etc for skin dependent CSS etc for skin dependent JavaScript These can also be customised on a per user by etc This feature has led to a wide variety of user styles becoming that gallery is a good place to ending in php
Definition: skin.txt:62
wfProfileIn
wfProfileIn( $functionname)
Begin profiling of a function.
Definition: Profiler.php:33
AjaxDispatcher\$mode
string $mode
The way the request was made, either a 'get' or a 'post' $mode.
Definition: AjaxDispatcher.php:36
AjaxDispatcher\__construct
__construct()
Load up our object with user supplied data.
Definition: AjaxDispatcher.php:50
wfProfileOut
wfProfileOut( $functionname='missing')
Stop profiling of a function.
Definition: Profiler.php:46
array
the array() calling protocol came about after MediaWiki 1.4rc1.
List of Api Query prop modules.
global
when a variable name is used in a it is silently declared as a new masking the global
Definition: design.txt:93
AjaxDispatcher\performAction
performAction()
Pass the request to our internal function.
Definition: AjaxDispatcher.php:96
wfDebug
wfDebug( $text, $dest='all')
Sends a line to the debug log if enabled or, optionally, to a comment in output.
Definition: GlobalFunctions.php:933
AjaxDispatcher
Object-Oriented Ajax functions.
Definition: AjaxDispatcher.php:32
AjaxResponse
Handle responses for Ajax requests (send headers, print content, that sort of thing)
Definition: AjaxResponse.php:30
User\isEveryoneAllowed
static isEveryoneAllowed( $right)
Check if all users have the given permission.
Definition: User.php:4159
wfHttpError
wfHttpError( $code, $label, $desc)
Provide a simple HTTP error.
Definition: GlobalFunctions.php:2191
$e
if( $useReadline) $e
Definition: eval.php:66
AjaxDispatcher\$args
array $args
Arguments passed $args.
Definition: AjaxDispatcher.php:45
AjaxDispatcher\$func_name
string $func_name
Name of the requested handler $func_name.
Definition: AjaxDispatcher.php:41