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-rw-r--r--includes/GlobalFunctions.php632
1 files changed, 497 insertions, 135 deletions
diff --git a/includes/GlobalFunctions.php b/includes/GlobalFunctions.php
index 2b9543b4..f5a2660c 100644
--- a/includes/GlobalFunctions.php
+++ b/includes/GlobalFunctions.php
@@ -87,6 +87,29 @@ if ( !function_exists( 'array_diff_key' ) ) {
}
}
+/**
+ * Like array_diff( $a, $b ) except that it works with two-dimensional arrays.
+ */
+function wfArrayDiff2( $a, $b ) {
+ return array_udiff( $a, $b, 'wfArrayDiff2_cmp' );
+}
+function wfArrayDiff2_cmp( $a, $b ) {
+ if ( !is_array( $a ) ) {
+ return strcmp( $a, $b );
+ } elseif ( count( $a ) !== count( $b ) ) {
+ return count( $a ) < count( $b ) ? -1 : 1;
+ } else {
+ reset( $a );
+ reset( $b );
+ while( ( list( $keyA, $valueA ) = each( $a ) ) && ( list( $keyB, $valueB ) = each( $b ) ) ) {
+ $cmp = strcmp( $valueA, $valueB );
+ if ( $cmp !== 0 ) {
+ return $cmp;
+ }
+ }
+ return 0;
+ }
+}
/**
* Wrapper for clone(), for compatibility with PHP4-friendly extensions.
@@ -153,12 +176,16 @@ function wfDebug( $text, $logonly = false ) {
global $wgOut, $wgDebugLogFile, $wgDebugComments, $wgProfileOnly, $wgDebugRawPage;
static $recursion = 0;
+ static $cache = array(); // Cache of unoutputted messages
+
# Check for raw action using $_GET not $wgRequest, since the latter might not be initialised yet
if ( isset( $_GET['action'] ) && $_GET['action'] == 'raw' && !$wgDebugRawPage ) {
return;
}
if ( $wgDebugComments && !$logonly ) {
+ $cache[] = $text;
+
if ( !isset( $wgOut ) ) {
return;
}
@@ -170,7 +197,10 @@ function wfDebug( $text, $logonly = false ) {
$wgOut->_unstub();
$recursion--;
}
- $wgOut->debug( $text );
+
+ // add the message and possible cached ones to the output
+ array_map( array( $wgOut, 'debug' ), $cache );
+ $cache = array();
}
if ( '' != $wgDebugLogFile && !$wgProfileOnly ) {
# Strip unprintables; they can switch terminal modes when binary data
@@ -232,29 +262,30 @@ function wfErrorLog( $text, $file ) {
*/
function wfLogProfilingData() {
global $wgRequestTime, $wgDebugLogFile, $wgDebugRawPage, $wgRequest;
- global $wgProfiling, $wgUser;
- if ( $wgProfiling ) {
- $now = wfTime();
- $elapsed = $now - $wgRequestTime;
- $prof = wfGetProfilingOutput( $wgRequestTime, $elapsed );
- $forward = '';
- if( !empty( $_SERVER['HTTP_X_FORWARDED_FOR'] ) )
- $forward = ' forwarded for ' . $_SERVER['HTTP_X_FORWARDED_FOR'];
- if( !empty( $_SERVER['HTTP_CLIENT_IP'] ) )
- $forward .= ' client IP ' . $_SERVER['HTTP_CLIENT_IP'];
- if( !empty( $_SERVER['HTTP_FROM'] ) )
- $forward .= ' from ' . $_SERVER['HTTP_FROM'];
- if( $forward )
- $forward = "\t(proxied via {$_SERVER['REMOTE_ADDR']}{$forward})";
- // Don't unstub $wgUser at this late stage just for statistics purposes
- if( StubObject::isRealObject($wgUser) && $wgUser->isAnon() )
- $forward .= ' anon';
- $log = sprintf( "%s\t%04.3f\t%s\n",
- gmdate( 'YmdHis' ), $elapsed,
- urldecode( $wgRequest->getRequestURL() . $forward ) );
- if ( '' != $wgDebugLogFile && ( $wgRequest->getVal('action') != 'raw' || $wgDebugRawPage ) ) {
- wfErrorLog( $log . $prof, $wgDebugLogFile );
- }
+ global $wgProfiler, $wgUser;
+ if ( !isset( $wgProfiler ) )
+ return;
+
+ $now = wfTime();
+ $elapsed = $now - $wgRequestTime;
+ $prof = wfGetProfilingOutput( $wgRequestTime, $elapsed );
+ $forward = '';
+ if( !empty( $_SERVER['HTTP_X_FORWARDED_FOR'] ) )
+ $forward = ' forwarded for ' . $_SERVER['HTTP_X_FORWARDED_FOR'];
+ if( !empty( $_SERVER['HTTP_CLIENT_IP'] ) )
+ $forward .= ' client IP ' . $_SERVER['HTTP_CLIENT_IP'];
+ if( !empty( $_SERVER['HTTP_FROM'] ) )
+ $forward .= ' from ' . $_SERVER['HTTP_FROM'];
+ if( $forward )
+ $forward = "\t(proxied via {$_SERVER['REMOTE_ADDR']}{$forward})";
+ // Don't unstub $wgUser at this late stage just for statistics purposes
+ if( StubObject::isRealObject($wgUser) && $wgUser->isAnon() )
+ $forward .= ' anon';
+ $log = sprintf( "%s\t%04.3f\t%s\n",
+ gmdate( 'YmdHis' ), $elapsed,
+ urldecode( $wgRequest->getRequestURL() . $forward ) );
+ if ( '' != $wgDebugLogFile && ( $wgRequest->getVal('action') != 'raw' || $wgDebugRawPage ) ) {
+ wfErrorLog( $log . $prof, $wgDebugLogFile );
}
}
@@ -282,6 +313,11 @@ function wfReadOnly() {
return (bool)$wgReadOnly;
}
+function wfReadOnlyReason() {
+ global $wgReadOnly;
+ wfReadOnly();
+ return $wgReadOnly;
+}
/**
* Get a message from anywhere, for the current user language.
@@ -291,9 +327,9 @@ function wfReadOnly() {
*
* @param $key String: lookup key for the message, usually
* defined in languages/Language.php
- *
- * This function also takes extra optional parameters (not
- * shown in the function definition), which can by used to
+ *
+ * This function also takes extra optional parameters (not
+ * shown in the function definition), which can by used to
* insert variable text into the predefined message.
*/
function wfMsg( $key ) {
@@ -415,24 +451,38 @@ function wfMsgWeirdKey ( $key ) {
* Fetch a message string value, but don't replace any keys yet.
* @param string $key
* @param bool $useDB
- * @param bool $forContent
+ * @param string $langcode Code of the language to get the message for, or
+ * behaves as a content language switch if it is a
+ * boolean.
* @return string
* @private
*/
-function wfMsgGetKey( $key, $useDB, $forContent = false, $transform = true ) {
+function wfMsgGetKey( $key, $useDB, $langCode = false, $transform = true ) {
global $wgParser, $wgContLang, $wgMessageCache, $wgLang;
+ wfRunHooks('NormalizeMessageKey', array(&$key, &$useDB, &$langCode, &$transform));
+
# If $wgMessageCache isn't initialised yet, try to return something sensible.
if( is_object( $wgMessageCache ) ) {
- $message = $wgMessageCache->get( $key, $useDB, $forContent );
+ $message = $wgMessageCache->get( $key, $useDB, $langCode );
if ( $transform ) {
$message = $wgMessageCache->transform( $message );
}
} else {
- if( $forContent ) {
+ if( $langCode === true ) {
$lang = &$wgContLang;
- } else {
+ } elseif( $langCode === false ) {
$lang = &$wgLang;
+ } else {
+ $validCodes = array_keys( Language::getLanguageNames() );
+ if( in_array( $langCode, $validCodes ) ) {
+ # $langcode corresponds to a valid language.
+ $lang = Language::factory( $langCode );
+ } else {
+ # $langcode is a string, but not a valid language code; use content language.
+ $lang =& $wgContLang;
+ wfDebug( 'Invalid language code passed to wfMsgGetKey, falling back to content language.' );
+ }
}
# MessageCache::get() does this already, Language::getMessage() doesn't
@@ -523,6 +573,8 @@ function wfMsgWikiHtml( $key ) {
* <i>replaceafter</i>: parameters are substituted after parsing or escaping
* <i>parsemag</i>: transform the message using magic phrases
* <i>content</i>: fetch message for content language instead of interface
+ * <i>language</i>: language code to fetch message for (overriden by <i>content</i>), its behaviour
+ * with parser, parseinline and parsemag is undefined.
* Behavior for conflicting options (e.g., parse+parseinline) is undefined.
*/
function wfMsgExt( $key, $options ) {
@@ -536,12 +588,23 @@ function wfMsgExt( $key, $options ) {
$options = array($options);
}
- $forContent = false;
if( in_array('content', $options) ) {
$forContent = true;
+ $langCode = true;
+ } elseif( array_key_exists('language', $options) ) {
+ $forContent = false;
+ $langCode = $options['language'];
+ $validCodes = array_keys( Language::getLanguageNames() );
+ if( !in_array($options['language'], $validCodes) ) {
+ # Fallback to en, instead of whatever interface language we might have
+ $langCode = 'en';
+ }
+ } else {
+ $forContent = false;
+ $langCode = false;
}
- $string = wfMsgGetKey( $key, /*DB*/true, $forContent, /*Transform*/false );
+ $string = wfMsgGetKey( $key, /*DB*/true, $langCode, /*Transform*/false );
if( !in_array('replaceafter', $options) ) {
$string = wfMsgReplaceArgs( $string, $args );
@@ -585,7 +648,6 @@ function wfMsgExt( $key, $options ) {
* @deprecated Please return control to the caller or throw an exception
*/
function wfAbruptExit( $error = false ){
- global $wgLoadBalancer;
static $called = false;
if ( $called ){
exit( -1 );
@@ -606,7 +668,7 @@ function wfAbruptExit( $error = false ){
wfLogProfilingData();
if ( !$error ) {
- $wgLoadBalancer->closeAll();
+ wfGetLB()->closeAll();
}
exit( -1 );
}
@@ -629,7 +691,7 @@ function wfDie( $msg='' ) {
}
/**
- * Throw a debugging exception. This function previously once exited the process,
+ * Throw a debugging exception. This function previously once exited the process,
* but now throws an exception instead, with similar results.
*
* @param string $msg Message shown when dieing.
@@ -848,7 +910,7 @@ function wfClientAcceptsGzip() {
* @param $deflimit Default limit if none supplied
* @param $optionname Name of a user preference to check against
* @return array
- *
+ *
*/
function wfCheckLimits( $deflimit = 50, $optionname = 'rclimit' ) {
global $wgRequest;
@@ -947,7 +1009,20 @@ function wfArrayToCGI( $array1, $array2 = NULL )
if ( '' != $cgi ) {
$cgi .= '&';
}
- $cgi .= urlencode( $key ) . '=' . urlencode( $value );
+ if(is_array($value))
+ {
+ $firstTime = true;
+ foreach($value as $v)
+ {
+ $cgi .= ($firstTime ? '' : '&') .
+ urlencode( $key . '[]' ) . '=' .
+ urlencode( $v );
+ $firstTime = false;
+ }
+ }
+ else
+ $cgi .= urlencode( $key ) . '=' .
+ urlencode( $value );
}
}
return $cgi;
@@ -1104,6 +1179,68 @@ function wfMerge( $old, $mine, $yours, &$result ){
}
/**
+ * Returns unified plain-text diff of two texts.
+ * Useful for machine processing of diffs.
+ * @param $before string The text before the changes.
+ * @param $after string The text after the changes.
+ * @param $params string Command-line options for the diff command.
+ * @return string Unified diff of $before and $after
+ */
+function wfDiff( $before, $after, $params = '-u' ) {
+ global $wgDiff;
+
+ # This check may also protect against code injection in
+ # case of broken installations.
+ if( !file_exists( $wgDiff ) ){
+ wfDebug( "diff executable not found\n" );
+ $diffs = new Diff( explode( "\n", $before ), explode( "\n", $after ) );
+ $format = new UnifiedDiffFormatter();
+ return $format->format( $diffs );
+ }
+
+ # Make temporary files
+ $td = wfTempDir();
+ $oldtextFile = fopen( $oldtextName = tempnam( $td, 'merge-old-' ), 'w' );
+ $newtextFile = fopen( $newtextName = tempnam( $td, 'merge-your-' ), 'w' );
+
+ fwrite( $oldtextFile, $before ); fclose( $oldtextFile );
+ fwrite( $newtextFile, $after ); fclose( $newtextFile );
+
+ // Get the diff of the two files
+ $cmd = "$wgDiff " . $params . ' ' .wfEscapeShellArg( $oldtextName, $newtextName );
+
+ $h = popen( $cmd, 'r' );
+
+ $diff = '';
+
+ do {
+ $data = fread( $h, 8192 );
+ if ( strlen( $data ) == 0 ) {
+ break;
+ }
+ $diff .= $data;
+ } while ( true );
+
+ // Clean up
+ pclose( $h );
+ unlink( $oldtextName );
+ unlink( $newtextName );
+
+ // Kill the --- and +++ lines. They're not useful.
+ $diff_lines = explode( "\n", $diff );
+ if (strpos( $diff_lines[0], '---' ) === 0) {
+ unset($diff_lines[0]);
+ }
+ if (strpos( $diff_lines[1], '+++' ) === 0) {
+ unset($diff_lines[1]);
+ }
+
+ $diff = implode( "\n", $diff_lines );
+
+ return $diff;
+}
+
+/**
* @todo document
*/
function wfVarDump( $var ) {
@@ -1208,7 +1345,7 @@ function wfClearOutputBuffers() {
function wfAcceptToPrefs( $accept, $def = '*/*' ) {
# No arg means accept anything (per HTTP spec)
if( !$accept ) {
- return array( $def => 1 );
+ return array( $def => 1.0 );
}
$prefs = array();
@@ -1217,12 +1354,12 @@ function wfAcceptToPrefs( $accept, $def = '*/*' ) {
foreach( $parts as $part ) {
# FIXME: doesn't deal with params like 'text/html; level=1'
- @list( $value, $qpart ) = explode( ';', $part );
+ @list( $value, $qpart ) = explode( ';', trim( $part ) );
$match = array();
if( !isset( $qpart ) ) {
- $prefs[$value] = 1;
+ $prefs[$value] = 1.0;
} elseif( preg_match( '/q\s*=\s*(\d*\.\d+)/', $qpart, $match ) ) {
- $prefs[$value] = $match[1];
+ $prefs[$value] = floatval($match[1]);
}
}
@@ -1415,41 +1552,35 @@ function wfTimestamp($outputtype=TS_UNIX,$ts=0) {
$uts=time();
} elseif (preg_match('/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)$/D',$ts,$da)) {
# TS_DB
- $uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
- (int)$da[2],(int)$da[3],(int)$da[1]);
} elseif (preg_match('/^(\d{4}):(\d\d):(\d\d) (\d\d):(\d\d):(\d\d)$/D',$ts,$da)) {
# TS_EXIF
- $uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
- (int)$da[2],(int)$da[3],(int)$da[1]);
} elseif (preg_match('/^(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)$/D',$ts,$da)) {
# TS_MW
- $uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
- (int)$da[2],(int)$da[3],(int)$da[1]);
- } elseif (preg_match('/^(\d{1,13})$/D',$ts,$da)) {
+ } elseif (preg_match('/^\d{1,13}$/D',$ts)) {
# TS_UNIX
$uts = $ts;
- } elseif (preg_match('/^(\d{1,2})-(...)-(\d\d(\d\d)?) (\d\d)\.(\d\d)\.(\d\d)/', $ts, $da)) {
+ } elseif (preg_match('/^\d{1,2}-...-\d\d(?:\d\d)? \d\d\.\d\d\.\d\d/', $ts)) {
# TS_ORACLE
$uts = strtotime(preg_replace('/(\d\d)\.(\d\d)\.(\d\d)(\.(\d+))?/', "$1:$2:$3",
str_replace("+00:00", "UTC", $ts)));
} elseif (preg_match('/^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})Z$/', $ts, $da)) {
# TS_ISO_8601
- $uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
- (int)$da[2],(int)$da[3],(int)$da[1]);
} elseif (preg_match('/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)[\+\- ](\d\d)$/',$ts,$da)) {
# TS_POSTGRES
- $uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
- (int)$da[2],(int)$da[3],(int)$da[1]);
} elseif (preg_match('/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d) GMT$/',$ts,$da)) {
# TS_POSTGRES
- $uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
- (int)$da[2],(int)$da[3],(int)$da[1]);
} else {
# Bogus value; fall back to the epoch...
wfDebug("wfTimestamp() fed bogus time value: $outputtype; $ts\n");
$uts = 0;
}
+ if (count( $da ) ) {
+ // Warning! gmmktime() acts oddly if the month or day is set to 0
+ // We may want to handle that explicitly at some point
+ $uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
+ (int)$da[2],(int)$da[3],(int)$da[1]);
+ }
switch($outputtype) {
case TS_UNIX:
@@ -1515,9 +1646,9 @@ function wfGetCachedNotice( $name ) {
global $wgOut, $parserMemc;
$fname = 'wfGetCachedNotice';
wfProfileIn( $fname );
-
+
$needParse = false;
-
+
if( $name === 'default' ) {
// special case
global $wgSiteNotice;
@@ -1533,7 +1664,7 @@ function wfGetCachedNotice( $name ) {
return( false );
}
}
-
+
$cachedNotice = $parserMemc->get( wfMemcKey( $name ) );
if( is_array( $cachedNotice ) ) {
if( md5( $notice ) == $cachedNotice['hash'] ) {
@@ -1544,7 +1675,7 @@ function wfGetCachedNotice( $name ) {
} else {
$needParse = true;
}
-
+
if( $needParse ) {
if( is_object( $wgOut ) ) {
$parsed = $wgOut->parse( $notice );
@@ -1555,21 +1686,21 @@ function wfGetCachedNotice( $name ) {
$notice = '';
}
}
-
+
wfProfileOut( $fname );
return $notice;
}
function wfGetNamespaceNotice() {
global $wgTitle;
-
+
# Paranoia
if ( !isset( $wgTitle ) || !is_object( $wgTitle ) )
return "";
$fname = 'wfGetNamespaceNotice';
wfProfileIn( $fname );
-
+
$key = "namespacenotice-" . $wgTitle->getNsText();
$namespaceNotice = wfGetCachedNotice( $key );
if ( $namespaceNotice && substr ( $namespaceNotice , 0 ,7 ) != "<p>&lt;" ) {
@@ -1586,8 +1717,8 @@ function wfGetSiteNotice() {
global $wgUser, $wgSiteNotice;
$fname = 'wfGetSiteNotice';
wfProfileIn( $fname );
- $siteNotice = '';
-
+ $siteNotice = '';
+
if( wfRunHooks( 'SiteNoticeBefore', array( &$siteNotice ) ) ) {
if( is_object( $wgUser ) && $wgUser->isLoggedIn() ) {
$siteNotice = wfGetCachedNotice( 'sitenotice' );
@@ -1609,7 +1740,7 @@ function wfGetSiteNotice() {
return $siteNotice;
}
-/**
+/**
* BC wrapper for MimeMagic::singleton()
* @deprecated
*/
@@ -1640,13 +1771,70 @@ function wfTempDir() {
/**
* Make directory, and make all parent directories if they don't exist
+ *
+ * @param string $fullDir Full path to directory to create
+ * @param int $mode Chmod value to use, default is $wgDirectoryMode
+ * @return bool
*/
-function wfMkdirParents( $fullDir, $mode = 0777 ) {
+function wfMkdirParents( $fullDir, $mode = null ) {
+ global $wgDirectoryMode;
if( strval( $fullDir ) === '' )
return true;
if( file_exists( $fullDir ) )
return true;
- return mkdir( str_replace( '/', DIRECTORY_SEPARATOR, $fullDir ), $mode, true );
+ // If not defined or isn't an int, set to default
+ if ( is_null( $mode ) ) {
+ $mode = $wgDirectoryMode;
+ }
+
+
+ # Go back through the paths to find the first directory that exists
+ $currentDir = $fullDir;
+ $createList = array();
+ while ( strval( $currentDir ) !== '' && !file_exists( $currentDir ) ) {
+ # Strip trailing slashes
+ $currentDir = rtrim( $currentDir, '/\\' );
+
+ # Add to create list
+ $createList[] = $currentDir;
+
+ # Find next delimiter searching from the end
+ $p = max( strrpos( $currentDir, '/' ), strrpos( $currentDir, '\\' ) );
+ if ( $p === false ) {
+ $currentDir = false;
+ } else {
+ $currentDir = substr( $currentDir, 0, $p );
+ }
+ }
+
+ if ( count( $createList ) == 0 ) {
+ # Directory specified already exists
+ return true;
+ } elseif ( $currentDir === false ) {
+ # Went all the way back to root and it apparently doesn't exist
+ wfDebugLog( 'mkdir', "Root doesn't exist?\n" );
+ return false;
+ }
+ # Now go forward creating directories
+ $createList = array_reverse( $createList );
+
+ # Is the parent directory writable?
+ if ( $currentDir === '' ) {
+ $currentDir = '/';
+ }
+ if ( !is_writable( $currentDir ) ) {
+ wfDebugLog( 'mkdir', "Not writable: $currentDir\n" );
+ return false;
+ }
+
+ foreach ( $createList as $dir ) {
+ # use chmod to override the umask, as suggested by the PHP manual
+ if ( !mkdir( $dir, $mode ) || !chmod( $dir, $mode ) ) {
+ wfDebugLog( 'mkdir', "Unable to create directory $dir\n" );
+ return false;
+ }
+ }
+ return true;
}
/**
@@ -1654,7 +1842,7 @@ function wfMkdirParents( $fullDir, $mode = 0777 ) {
*/
function wfIncrStats( $key ) {
global $wgStatsMethod;
-
+
if( $wgStatsMethod == 'udp' ) {
global $wgUDPProfilerHost, $wgUDPProfilerPort, $wgDBname;
static $socket;
@@ -1693,15 +1881,12 @@ function wfPercent( $nr, $acc = 2, $round = true ) {
* @param string $userid ID of the user
* @param string $password Password of the user
* @return string Hashed password
+ * @deprecated Use User::crypt() or User::oldCrypt() instead
*/
function wfEncryptPassword( $userid, $password ) {
- global $wgPasswordSalt;
- $p = md5( $password);
-
- if($wgPasswordSalt)
- return md5( "{$userid}-{$p}" );
- else
- return $p;
+ wfDeprecated(__FUNCTION__);
+ # Just wrap around User::oldCrypt()
+ return User::oldCrypt($password, $userid);
}
/**
@@ -1809,7 +1994,7 @@ function wfIniGetBool( $setting ) {
*/
function wfShellExec( $cmd, &$retval=null ) {
global $IP, $wgMaxShellMemory, $wgMaxShellFileSize;
-
+
if( wfIniGetBool( 'safe_mode' ) ) {
wfDebug( "wfShellExec can't run in safe_mode, PHP's exec functions are too broken.\n" );
$retval = 1;
@@ -1833,14 +2018,14 @@ function wfShellExec( $cmd, &$retval=null ) {
$cmd = '"' . $cmd . '"';
}
wfDebug( "wfShellExec: $cmd\n" );
-
+
$retval = 1; // error by default?
ob_start();
passthru( $cmd, $retval );
$output = ob_get_contents();
ob_end_clean();
return $output;
-
+
}
/**
@@ -1899,7 +2084,7 @@ function wfRegexReplacement( $string ) {
*
* PHP's basename() only considers '\' a pathchar on Windows and Netware.
* We'll consider it so always, as we don't want \s in our Unix paths either.
- *
+ *
* @param string $path
* @param string $suffix to remove if present
* @return string
@@ -1929,14 +2114,14 @@ function wfRelativePath( $path, $from ) {
// Normalize mixed input on Windows...
$path = str_replace( '/', DIRECTORY_SEPARATOR, $path );
$from = str_replace( '/', DIRECTORY_SEPARATOR, $from );
-
+
// Trim trailing slashes -- fix for drive root
$path = rtrim( $path, DIRECTORY_SEPARATOR );
$from = rtrim( $from, DIRECTORY_SEPARATOR );
-
+
$pieces = explode( DIRECTORY_SEPARATOR, dirname( $path ) );
$against = explode( DIRECTORY_SEPARATOR, $from );
-
+
if( $pieces[0] !== $against[0] ) {
// Non-matching Windows drive letters?
// Return a full path.
@@ -2002,7 +2187,7 @@ function wfMakeUrlIndex( $url ) {
$delimiter = ':';
// parse_url detects for news: and mailto: the host part of an url as path
// We have to correct this wrong detection
- if ( isset ( $bits['path'] ) ) {
+ if ( isset ( $bits['path'] ) ) {
$bits['host'] = $bits['path'];
$bits['path'] = '';
}
@@ -2099,7 +2284,7 @@ function wfBaseConvert( $input, $sourceBase, $destBase, $pad=1, $lowercase=true
$digitChars = ( $lowercase ) ? '0123456789abcdefghijklmnopqrstuvwxyz' : '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ';
$inDigits = array();
$outChars = '';
-
+
// Decode and validate input string
$input = strtolower( $input );
for( $i = 0; $i < strlen( $input ); $i++ ) {
@@ -2109,18 +2294,18 @@ function wfBaseConvert( $input, $sourceBase, $destBase, $pad=1, $lowercase=true
}
$inDigits[] = $n;
}
-
+
// Iterate over the input, modulo-ing out an output digit
// at a time until input is gone.
while( count( $inDigits ) ) {
$work = 0;
$workDigits = array();
-
+
// Long division...
foreach( $inDigits as $digit ) {
$work *= $sourceBase;
$work += $digit;
-
+
if( $work < $destBase ) {
// Gonna need to pull another digit.
if( count( $workDigits ) ) {
@@ -2132,26 +2317,26 @@ function wfBaseConvert( $input, $sourceBase, $destBase, $pad=1, $lowercase=true
} else {
// Finally! Actual division!
$workDigits[] = intval( $work / $destBase );
-
+
// Isn't it annoying that most programming languages
// don't have a single divide-and-remainder operator,
// even though the CPU implements it that way?
$work = $work % $destBase;
}
}
-
+
// All that division leaves us with a remainder,
// which is conveniently our next output digit.
$outChars .= $digitChars[$work];
-
+
// And we continue!
$inDigits = $workDigits;
}
-
+
while( strlen( $outChars ) < $pad ) {
$outChars .= '0';
}
-
+
return strrev( $outChars );
}
@@ -2183,20 +2368,44 @@ function wfCreateObject( $name, $p ){
}
/**
- * Aliases for modularized functions
+ * Alias for modularized function
+ * @deprecated Use Http::get() instead
*/
-function wfGetHTTP( $url, $timeout = 'default' ) {
- return Http::get( $url, $timeout );
+function wfGetHTTP( $url, $timeout = 'default' ) {
+ wfDeprecated(__FUNCTION__);
+ return Http::get( $url, $timeout );
}
-function wfIsLocalURL( $url ) {
- return Http::isLocalURL( $url );
+
+/**
+ * Alias for modularized function
+ * @deprecated Use Http::isLocalURL() instead
+ */
+function wfIsLocalURL( $url ) {
+ wfDeprecated(__FUNCTION__);
+ return Http::isLocalURL( $url );
+}
+
+function wfHttpOnlySafe() {
+ global $wgHttpOnlyBlacklist;
+ if( !version_compare("5.2", PHP_VERSION, "<") )
+ return false;
+
+ if( isset( $_SERVER['HTTP_USER_AGENT'] ) ) {
+ foreach( $wgHttpOnlyBlacklist as $regex ) {
+ if( preg_match( $regex, $_SERVER['HTTP_USER_AGENT'] ) ) {
+ return false;
+ }
+ }
+ }
+
+ return true;
}
/**
* Initialise php session
*/
function wfSetupSession() {
- global $wgSessionsInMemcached, $wgCookiePath, $wgCookieDomain, $wgCookieSecure;
+ global $wgSessionsInMemcached, $wgCookiePath, $wgCookieDomain, $wgCookieSecure, $wgCookieHttpOnly;
if( $wgSessionsInMemcached ) {
require_once( 'MemcachedSessions.php' );
} elseif( 'files' != ini_get( 'session.save_handler' ) ) {
@@ -2204,9 +2413,25 @@ function wfSetupSession() {
# application, it will end up failing. Try to recover.
ini_set ( 'session.save_handler', 'files' );
}
- session_set_cookie_params( 0, $wgCookiePath, $wgCookieDomain, $wgCookieSecure);
+ $httpOnlySafe = wfHttpOnlySafe();
+ wfDebugLog( 'cookie',
+ 'session_set_cookie_params: "' . implode( '", "',
+ array(
+ 0,
+ $wgCookiePath,
+ $wgCookieDomain,
+ $wgCookieSecure,
+ $httpOnlySafe && $wgCookieHttpOnly ) ) . '"' );
+ if( $httpOnlySafe && $wgCookieHttpOnly ) {
+ session_set_cookie_params( 0, $wgCookiePath, $wgCookieDomain, $wgCookieSecure, $wgCookieHttpOnly );
+ } else {
+ // PHP 5.1 throws warnings if you pass the HttpOnly parameter for 5.2.
+ session_set_cookie_params( 0, $wgCookiePath, $wgCookieDomain, $wgCookieSecure );
+ }
session_cache_limiter( 'private, must-revalidate' );
- @session_start();
+ wfSuppressWarnings();
+ session_start();
+ wfRestoreWarnings();
}
/**
@@ -2253,13 +2478,8 @@ function wfFormatStackFrame($frame) {
* Get a cache key
*/
function wfMemcKey( /*... */ ) {
- global $wgDBprefix, $wgDBname;
$args = func_get_args();
- if ( $wgDBprefix ) {
- $key = "$wgDBname-$wgDBprefix:" . implode( ':', $args );
- } else {
- $key = $wgDBname . ':' . implode( ':', $args );
- }
+ $key = wfWikiID() . ':' . implode( ':', $args );
return $key;
}
@@ -2280,42 +2500,80 @@ function wfForeignMemcKey( $db, $prefix /*, ... */ ) {
* Get an ASCII string identifying this wiki
* This is used as a prefix in memcached keys
*/
-function wfWikiID() {
- global $wgDBprefix, $wgDBname;
- if ( $wgDBprefix ) {
- return "$wgDBname-$wgDBprefix";
+function wfWikiID( $db = null ) {
+ if( $db instanceof Database ) {
+ return $db->getWikiID();
} else {
- return $wgDBname;
+ global $wgDBprefix, $wgDBname;
+ if ( $wgDBprefix ) {
+ return "$wgDBname-$wgDBprefix";
+ } else {
+ return $wgDBname;
+ }
}
}
+/**
+ * Split a wiki ID into DB name and table prefix
+ */
+function wfSplitWikiID( $wiki ) {
+ $bits = explode( '-', $wiki, 2 );
+ if ( count( $bits ) < 2 ) {
+ $bits[] = '';
+ }
+ return $bits;
+}
+
/*
- * Get a Database object
- * @param integer $db Index of the connection to get. May be DB_MASTER for the
- * master (for write queries), DB_SLAVE for potentially lagged
+ * Get a Database object.
+ * @param integer $db Index of the connection to get. May be DB_MASTER for the
+ * master (for write queries), DB_SLAVE for potentially lagged
* read queries, or an integer >= 0 for a particular server.
*
- * @param mixed $groups Query groups. An array of group names that this query
- * belongs to. May contain a single string if the query is only
+ * @param mixed $groups Query groups. An array of group names that this query
+ * belongs to. May contain a single string if the query is only
* in one group.
+ *
+ * @param string $wiki The wiki ID, or false for the current wiki
+ *
+ * Note: multiple calls to wfGetDB(DB_SLAVE) during the course of one request
+ * will always return the same object, unless the underlying connection or load
+ * balancer is manually destroyed.
*/
-function &wfGetDB( $db = DB_LAST, $groups = array() ) {
- global $wgLoadBalancer;
- $ret = $wgLoadBalancer->getConnection( $db, true, $groups );
- return $ret;
+function &wfGetDB( $db = DB_LAST, $groups = array(), $wiki = false ) {
+ return wfGetLB( $wiki )->getConnection( $db, $groups, $wiki );
}
/**
- * Find a file.
+ * Get a load balancer object.
+ *
+ * @param array $groups List of query groups
+ * @param string $wiki Wiki ID, or false for the current wiki
+ * @return LoadBalancer
+ */
+function wfGetLB( $wiki = false ) {
+ return wfGetLBFactory()->getMainLB( $wiki );
+}
+
+/**
+ * Get the load balancer factory object
+ */
+function &wfGetLBFactory() {
+ return LBFactory::singleton();
+}
+
+/**
+ * Find a file.
* Shortcut for RepoGroup::singleton()->findFile()
* @param mixed $title Title object or string. May be interwiki.
- * @param mixed $time Requested time for an archived image, or false for the
- * current version. An image object will be returned which
- * existed at the specified time.
+ * @param mixed $time Requested time for an archived image, or false for the
+ * current version. An image object will be returned which
+ * was created at the specified time.
+ * @param mixed $flags FileRepo::FIND_ flags
* @return File, or false if the file does not exist
*/
-function wfFindFile( $title, $time = false ) {
- return RepoGroup::singleton()->findFile( $title, $time );
+function wfFindFile( $title, $time = false, $flags = 0 ) {
+ return RepoGroup::singleton()->findFile( $title, $time, $flags );
}
/**
@@ -2364,13 +2622,39 @@ function wfBoolToStr( $value ) {
/**
* Load an extension messages file
+ *
+ * @param string $extensionName Name of extension to load messages from\for.
+ * @param string $langcode Language to load messages for, or false for default
+ * behvaiour (en, content language and user language).
*/
-function wfLoadExtensionMessages( $extensionName ) {
- global $wgExtensionMessagesFiles, $wgMessageCache;
- if ( !empty( $wgExtensionMessagesFiles[$extensionName] ) ) {
- $wgMessageCache->loadMessagesFile( $wgExtensionMessagesFiles[$extensionName] );
- // Prevent double-loading
- $wgExtensionMessagesFiles[$extensionName] = false;
+function wfLoadExtensionMessages( $extensionName, $langcode = false ) {
+ global $wgExtensionMessagesFiles, $wgMessageCache, $wgLang, $wgContLang;
+
+ #For recording whether extension message files have been loaded in a given language.
+ static $loaded = array();
+
+ if( !array_key_exists( $extensionName, $loaded ) ) {
+ $loaded[$extensionName] = array();
+ }
+
+ if ( !isset($wgExtensionMessagesFiles[$extensionName]) ) {
+ throw new MWException( "Messages file for extensions $extensionName is not defined" );
+ }
+
+ if( !$langcode && !array_key_exists( '*', $loaded[$extensionName] ) ) {
+ # Just do en, content language and user language.
+ $wgMessageCache->loadMessagesFile( $wgExtensionMessagesFiles[$extensionName], false );
+ # Mark that they have been loaded.
+ $loaded[$extensionName]['en'] = true;
+ $loaded[$extensionName][$wgLang->getCode()] = true;
+ $loaded[$extensionName][$wgContLang->getCode()] = true;
+ # Mark that this part has been done to avoid weird if statements.
+ $loaded[$extensionName]['*'] = true;
+ } elseif( is_string( $langcode ) && !array_key_exists( $langcode, $loaded[$extensionName] ) ) {
+ # Load messages for specified language.
+ $wgMessageCache->loadMessagesFile( $wgExtensionMessagesFiles[$extensionName], $langcode );
+ # Mark that they have been loaded.
+ $loaded[$extensionName][$langcode] = true;
}
}
@@ -2388,7 +2672,7 @@ function wfGetNull() {
/**
* Displays a maxlag error
- *
+ *
* @param string $host Server that lags the most
* @param int $lag Maxlag (actual)
* @param int $maxLag Maxlag (requested)
@@ -2405,3 +2689,81 @@ function wfMaxlagError( $host, $lag, $maxLag ) {
echo "Waiting for a database server: $lag seconds lagged\n";
}
}
+
+/**
+ * Throws an E_USER_NOTICE saying that $function is deprecated
+ * @param string $function
+ * @return null
+ */
+function wfDeprecated( $function ) {
+ global $wgDebugLogFile;
+ if ( !$wgDebugLogFile ) {
+ return;
+ }
+ $callers = wfDebugBacktrace();
+ if( isset( $callers[2] ) ){
+ $callerfunc = $callers[2];
+ $callerfile = $callers[1];
+ if( isset( $callerfile['file'] ) && isset( $callerfile['line'] ) ){
+ $file = $callerfile['file'] . ' at line ' . $callerfile['line'];
+ } else {
+ $file = '(internal function)';
+ }
+ $func = '';
+ if( isset( $callerfunc['class'] ) )
+ $func .= $callerfunc['class'] . '::';
+ $func .= @$callerfunc['function'];
+ $msg = "Use of $function is deprecated. Called from $func in $file";
+ } else {
+ $msg = "Use of $function is deprecated.";
+ }
+ wfDebug( "$msg\n" );
+}
+
+/**
+ * Sleep until the worst slave's replication lag is less than or equal to
+ * $maxLag, in seconds. Use this when updating very large numbers of rows, as
+ * in maintenance scripts, to avoid causing too much lag. Of course, this is
+ * a no-op if there are no slaves.
+ *
+ * Every time the function has to wait for a slave, it will print a message to
+ * that effect (and then sleep for a little while), so it's probably not best
+ * to use this outside maintenance scripts in its present form.
+ *
+ * @param int $maxLag
+ * @return null
+ */
+function wfWaitForSlaves( $maxLag ) {
+ if( $maxLag ) {
+ $lb = wfGetLB();
+ list( $host, $lag ) = $lb->getMaxLag();
+ while( $lag > $maxLag ) {
+ $name = @gethostbyaddr( $host );
+ if( $name !== false ) {
+ $host = $name;
+ }
+ print "Waiting for $host (lagged $lag seconds)...\n";
+ sleep($maxLag);
+ list( $host, $lag ) = $lb->getMaxLag();
+ }
+ }
+}
+
+/** Generate a random 32-character hexadecimal token.
+ * @param mixed $salt Some sort of salt, if necessary, to add to random characters before hashing.
+ */
+function wfGenerateToken( $salt = '' ) {
+ $salt = serialize($salt);
+
+ return md5( mt_rand( 0, 0x7fffffff ) . $salt );
+}
+
+/**
+ * Replace all invalid characters with -
+ * @param mixed $title Filename to process
+ */
+function wfStripIllegalFilenameChars( $name ) {
+ $name = wfBaseName( $name );
+ $name = preg_replace ( "/[^".Title::legalChars()."]|:/", '-', $name );
+ return $name;
+}