function mb_strpos( $haystack, $needle, $offset = 0, $encoding = '' ) {
return Fallback::mb_strpos( $haystack, $needle, $offset, $encoding );
}
-
}
if ( !function_exists( 'mb_strrpos' ) ) {
# The maximum random value is "only" 2^31-1, so get two random
# values to reduce the chance of dupes
$max = mt_getrandmax() + 1;
- $rand = number_format( ( mt_rand() * $max + mt_rand() )
- / $max / $max, 12, '.', '' );
+ $rand = number_format( ( mt_rand() * $max + mt_rand() ) / $max / $max, 12, '.', '' );
+
return $rand;
}
*/
function wfUrlencode( $s ) {
static $needle;
+
if ( is_null( $s ) ) {
$needle = null;
return '';
if ( is_null( $needle ) ) {
$needle = array( '%3B', '%40', '%24', '%21', '%2A', '%28', '%29', '%2C', '%2F' );
- if ( !isset( $_SERVER['SERVER_SOFTWARE'] ) || ( strpos( $_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/7' ) === false ) ) {
+ if ( !isset( $_SERVER['SERVER_SOFTWARE'] ) ||
+ ( strpos( $_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/7' ) === false )
+ ) {
$needle[] = '%3A';
}
}
}
/**
- * Expand a potentially local URL to a fully-qualified URL. Assumes $wgServer
+ * Expand a potentially local URL to a fully-qualified URL. Assumes $wgServer
* is correct.
*
* The meaning of the PROTO_* constants is as follows:
* PROTO_HTTP: Output a URL starting with http://
* PROTO_HTTPS: Output a URL starting with https://
* PROTO_RELATIVE: Output a URL starting with // (protocol-relative URL)
- * PROTO_CURRENT: Output a URL starting with either http:// or https:// , depending on which protocol was used for the current incoming request
- * PROTO_CANONICAL: For URLs without a domain, like /w/index.php , use $wgCanonicalServer. For protocol-relative URLs, use the protocol of $wgCanonicalServer
+ * PROTO_CURRENT: Output a URL starting with either http:// or https:// , depending
+ * on which protocol was used for the current incoming request
+ * PROTO_CANONICAL: For URLs without a domain, like /w/index.php , use $wgCanonicalServer.
+ * For protocol-relative URLs, use the protocol of $wgCanonicalServer
* PROTO_INTERNAL: Like PROTO_CANONICAL, but uses $wgInternalServer instead of $wgCanonicalServer
*
* @todo this won't work with current-path-relative URLs
*
* @param string $url either fully-qualified or a local path + query
* @param $defaultProto Mixed: one of the PROTO_* constants. Determines the
- * protocol to use if $url or $wgServer is
- * protocol-relative
+ * protocol to use if $url or $wgServer is protocol-relative
* @return string Fully-qualified URL, current-path-relative URL or false if
- * no valid URL can be constructed
+ * no valid URL can be constructed
*/
function wfExpandUrl( $url, $defaultProto = PROTO_CURRENT ) {
global $wgServer, $wgCanonicalServer, $wgInternalServer;
if ( $serverHasProto ) {
$defaultProto = $bits['scheme'] . '://';
} else {
- // $wgCanonicalServer or $wgInternalServer doesn't have a protocol. This really isn't supposed to happen
- // Fall back to HTTP in this ridiculous case
+ // $wgCanonicalServer or $wgInternalServer doesn't have a protocol.
+ // This really isn't supposed to happen. Fall back to HTTP in this
+ // ridiculous case.
$defaultProto = PROTO_HTTP;
}
}
if ( substr( $url, 0, 2 ) == '//' ) {
$url = $defaultProtoWithoutSlashes . $url;
} elseif ( substr( $url, 0, 1 ) == '/' ) {
- // If $serverUrl is protocol-relative, prepend $defaultProtoWithoutSlashes, otherwise leave it alone
+ // If $serverUrl is protocol-relative, prepend $defaultProtoWithoutSlashes,
+ // otherwise leave it alone.
$url = ( $serverHasProto ? '' : $defaultProtoWithoutSlashes ) . $serverUrl . $url;
}
/**
* parse_url() work-alike, but non-broken. Differences:
*
- * 1) Does not raise warnings on bad URLs (just returns false)
- * 2) Handles protocols that don't use :// (e.g., mailto: and news: , as well as protocol-relative URLs) correctly
- * 3) Adds a "delimiter" element to the array, either '://', ':' or '//' (see (2))
+ * 1) Does not raise warnings on bad URLs (just returns false).
+ * 2) Handles protocols that don't use :// (e.g., mailto: and news:, as well as
+ * protocol-relative URLs) correctly.
+ * 3) Adds a "delimiter" element to the array, either '://', ':' or '//' (see (2)).
*
* @param string $url a URL to parse
* @return Array: bits of the URL in an associative array, per PHP docs
function wfParseUrl( $url ) {
global $wgUrlProtocols; // Allow all protocols defined in DefaultSettings/LocalSettings.php
- // Protocol-relative URLs are handled really badly by parse_url(). It's so bad that the easiest
- // way to handle them is to just prepend 'http:' and strip the protocol out later
+ // Protocol-relative URLs are handled really badly by parse_url(). It's so
+ // bad that the easiest way to handle them is to just prepend 'http:' and
+ // strip the protocol out later.
$wasRelative = substr( $url, 0, 2 ) == '//';
if ( $wasRelative ) {
$url = "http:$url";
* @return string
*/
function wfExpandIRI( $url ) {
- return preg_replace_callback( '/((?:%[89A-F][0-9A-F])+)/i', 'wfExpandIRI_callback', wfExpandUrl( $url ) );
+ return preg_replace_callback(
+ '/((?:%[89A-F][0-9A-F])+)/i',
+ 'wfExpandIRI_callback',
+ wfExpandUrl( $url )
+ );
}
/**
* Throws a warning that $function is deprecated
*
* @param $function String
- * @param string|bool $version Version of MediaWiki that the function was deprecated in (Added in 1.19).
+ * @param string|bool $version Version of MediaWiki that the function
+ * was deprecated in (Added in 1.19).
* @param string|bool $component Added in 1.19.
* @param $callerOffset integer: How far up the call stack is the original
* caller. 2 = function that called the function that called
}
} else {
if ( !$suppressCount ) {
- $originalLevel = error_reporting( E_ALL & ~( E_WARNING | E_NOTICE | E_USER_WARNING | E_USER_NOTICE | E_DEPRECATED | E_USER_DEPRECATED | E_STRICT ) );
+ $originalLevel = error_reporting( E_ALL & ~(
+ E_WARNING |
+ E_NOTICE |
+ E_USER_WARNING |
+ E_USER_NOTICE |
+ E_DEPRECATED |
+ E_USER_DEPRECATED |
+ E_STRICT
+ ) );
}
++$suppressCount;
}
}
/**
- * Check if we are running under HipHop
+ * Check if we are running under HHVM
*
* @return Bool
*/
- function wfIsHipHop() {
- return defined( 'HPHP_VERSION' );
+ function wfIsHHVM() {
+ return defined( 'HHVM_VERSION' );
}
/**
if ( wfIsWindows() ) {
// Escaping for an MSVC-style command line parser and CMD.EXE
+ // @codingStandardsIgnoreStart For long URLs
// Refs:
// * http://web.archive.org/web/20020708081031/http://mailman.lyra.org/pipermail/scite-interest/2002-March/000436.html
// * http://technet.microsoft.com/en-us/library/cc723564.aspx
// * Bug #13518
// * CR r63214
// Double the backslashes before any double quotes. Escape the double quotes.
+ // @codingStandardsIgnoreEnd
$tokens = preg_split( '/(\\\\*")/', $arg, -1, PREG_SPLIT_DELIM_CAPTURE );
$arg = '';
$iteration = 0;
$functions = explode( ',', ini_get( 'disable_functions' ) );
$functions = array_map( 'trim', $functions );
$functions = array_map( 'strtolower', $functions );
- if ( in_array( 'passthru', $functions ) ) {
- wfDebug( "passthru is in disabled_functions\n" );
- $disabled = 'passthru';
+ if ( in_array( 'proc_open', $functions ) ) {
+ wfDebug( "proc_open is in disabled_functions\n" );
+ $disabled = 'disabled';
}
}
}
* configuration if supported.
* @param string $cmd Command line, properly escaped for shell.
* @param &$retval null|Mixed optional, will receive the program's exit code.
- * (non-zero is usually failure)
+ * (non-zero is usually failure). If there is an error from
+ * read, select, or proc_open(), this will be set to -1.
* @param array $environ optional environment variables which should be
* added to the executed command environment.
* @param array $limits optional array with limits(filesize, memory, time, walltime)
* this overwrites the global wgShellMax* limits.
- * @param array $options Array of options. Only one is "duplicateStderr" => true, which
- * Which duplicates stderr to stdout, including errors from limit.sh
+ * @param array $options Array of options:
+ * - duplicateStderr: Set this to true to duplicate stderr to stdout,
+ * including errors from limit.sh
+ *
* @return string collected stdout as a string
*/
-function wfShellExec( $cmd, &$retval = null, $environ = array(), $limits = array(), $options = array() ) {
+function wfShellExec( $cmd, &$retval = null, $environ = array(),
+ $limits = array(), $options = array()
+) {
global $IP, $wgMaxShellMemory, $wgMaxShellFileSize, $wgMaxShellTime,
$wgMaxShellWallClockTime, $wgShellCgroup;
$retval = 1;
return $disabled == 'safemode' ?
'Unable to run external programs in safe mode.' :
- 'Unable to run external programs, passthru() is disabled.';
+ 'Unable to run external programs, proc_open() is disabled.';
}
$includeStderr = isset( $options['duplicateStderr'] ) && $options['duplicateStderr'];
}
$cmd = $envcmd . $cmd;
+ $useLogPipe = false;
if ( php_uname( 's' ) == 'Linux' ) {
$time = intval ( isset( $limits['time'] ) ? $limits['time'] : $wgMaxShellTime );
if ( isset( $limits['walltime'] ) ) {
'MW_CGROUP=' . escapeshellarg( $wgShellCgroup ) . '; ' .
"MW_MEM_LIMIT=$mem; " .
"MW_FILE_SIZE_LIMIT=$filesize; " .
- "MW_WALL_CLOCK_LIMIT=$wallTime"
+ "MW_WALL_CLOCK_LIMIT=$wallTime; " .
+ "MW_USE_LOG_PIPE=yes"
);
+ $useLogPipe = true;
} elseif ( $includeStderr ) {
$cmd .= ' 2>&1';
}
}
wfDebug( "wfShellExec: $cmd\n" );
- // Default to an unusual value that shouldn't happen naturally,
- // so in the unlikely event of a weird php bug, it would be
- // more obvious what happened.
- $retval = 200;
- ob_start();
- passthru( $cmd, $retval );
- $output = ob_get_contents();
- ob_end_clean();
+ $desc = array(
+ 0 => array( 'file', 'php://stdin', 'r' ),
+ 1 => array( 'pipe', 'w' ),
+ 2 => array( 'file', 'php://stderr', 'w' ) );
+ if ( $useLogPipe ) {
+ $desc[3] = array( 'pipe', 'w' );
+ }
+ $pipes = null;
+ $proc = proc_open( $cmd, $desc, $pipes );
+ if ( !$proc ) {
+ wfDebugLog( 'exec', "proc_open() failed: $cmd\n" );
+ $retval = -1;
+ return '';
+ }
+ $outBuffer = $logBuffer = '';
+ $emptyArray = array();
+ $status = false;
+ $logMsg = false;
+
+ // According to the documentation, it is possible for stream_select()
+ // to fail due to EINTR. I haven't managed to induce this in testing
+ // despite sending various signals. If it did happen, the error
+ // message would take the form:
+ //
+ // stream_select(): unable to select [4]: Interrupted system call (max_fd=5)
+ //
+ // where [4] is the value of the macro EINTR and "Interrupted system
+ // call" is string which according to the Linux manual is "possibly"
+ // localised according to LC_MESSAGES.
+ $eintr = defined( 'SOCKET_EINTR' ) ? SOCKET_EINTR : 4;
+ $eintrMessage = "stream_select(): unable to select [$eintr]";
+
+ // Build a table mapping resource IDs to pipe FDs to work around a
+ // PHP 5.3 issue in which stream_select() does not preserve array keys
+ // <https://bugs.php.net/bug.php?id=53427>.
+ $fds = array();
+ foreach ( $pipes as $fd => $pipe ) {
+ $fds[(int)$pipe] = $fd;
+ }
+
+ while ( true ) {
+ $status = proc_get_status( $proc );
+ if ( !$status['running'] ) {
+ break;
+ }
+ $status = false;
- if ( $retval == 127 ) {
- wfDebugLog( 'exec', "Possibly missing executable file: $cmd\n" );
+ $readyPipes = $pipes;
+
+ // Clear last error
+ @trigger_error( '' );
+ if ( @stream_select( $readyPipes, $emptyArray, $emptyArray, null ) === false ) {
+ $error = error_get_last();
+ if ( strncmp( $error['message'], $eintrMessage, strlen( $eintrMessage ) ) == 0 ) {
+ continue;
+ } else {
+ trigger_error( $error['message'], E_USER_WARNING );
+ $logMsg = $error['message'];
+ break;
+ }
+ }
+ foreach ( $readyPipes as $pipe ) {
+ $block = fread( $pipe, 65536 );
+ $fd = $fds[(int)$pipe];
+ if ( $block === '' ) {
+ // End of file
+ fclose( $pipes[$fd] );
+ unset( $pipes[$fd] );
+ if ( !$pipes ) {
+ break 2;
+ }
+ } elseif ( $block === false ) {
+ // Read error
+ $logMsg = "Error reading from pipe";
+ break 2;
+ } elseif ( $fd == 1 ) {
+ // From stdout
+ $outBuffer .= $block;
+ } elseif ( $fd == 3 ) {
+ // From log FD
+ $logBuffer .= $block;
+ if ( strpos( $block, "\n" ) !== false ) {
+ $lines = explode( "\n", $logBuffer );
+ $logBuffer = array_pop( $lines );
+ foreach ( $lines as $line ) {
+ wfDebugLog( 'exec', $line );
+ }
+ }
+ }
+ }
}
- return $output;
+
+ foreach ( $pipes as $pipe ) {
+ fclose( $pipe );
+ }
+
+ // Use the status previously collected if possible, since proc_get_status()
+ // just calls waitpid() which will not return anything useful the second time.
+ if ( $status === false ) {
+ $status = proc_get_status( $proc );
+ }
+
+ if ( $logMsg !== false ) {
+ // Read/select error
+ $retval = -1;
+ proc_close( $proc );
+ } elseif ( $status['signaled'] ) {
+ $logMsg = "Exited with signal {$status['termsig']}";
+ $retval = 128 + $status['termsig'];
+ proc_close( $proc );
+ } else {
+ if ( $status['running'] ) {
+ $retval = proc_close( $proc );
+ } else {
+ $retval = $status['exitcode'];
+ proc_close( $proc );
+ }
+ if ( $retval == 127 ) {
+ $logMsg = "Possibly missing executable file";
+ } elseif ( $retval >= 129 && $retval <= 192 ) {
+ $logMsg = "Probably exited with signal " . ( $retval - 128 );
+ }
+ }
+
+ if ( $logMsg !== false ) {
+ wfDebugLog( 'exec', "$logMsg: $cmd\n" );
+ }
+
+ return $outBuffer;
}
/**
* This is useful for extensions which due to their nature are not kept in sync
* with releases
*
+ * Note: Due to the behavior of PHP's version_compare() which is used in this
+ * fuction, if you want to allow the 'wmf' development versions add a 'c' (or
+ * any single letter other than 'a', 'b' or 'p') as a post-fix to your
+ * targeted version number. For example if you wanted to allow any variation
+ * of 1.22 use `wfUseMW( '1.22c' )`. Using an 'a' or 'b' instead of 'c' will
+ * not result in the same comparison due to the internal logic of
+ * version_compare().
+ *
* @see perldoc -f use
*
* @param $req_ver Mixed: the version to check, can be a string, an integer, or
* @return String
*/
function wfBaseName( $path, $suffix = '' ) {
- $encSuffix = ( $suffix == '' )
- ? ''
- : ( '(?:' . preg_quote( $suffix, '#' ) . ')?' );
+ if ( $suffix == '' ) {
+ $encSuffix = '';
+ } else {
+ $encSuffix = '(?:' . preg_quote( $suffix, '#' ) . ')?';
+ }
+
$matches = array();
if ( preg_match( "#([^/\\\\]*?){$encSuffix}[/\\\\]*$#", $path, $matches ) ) {
return $matches[1];
* @param string $engine Either "gmp", "bcmath", or "php"
* @return string|bool The output number as a string, or false on error
*/
-function wfBaseConvert( $input, $sourceBase, $destBase, $pad = 1, $lowercase = true, $engine = 'auto' ) {
+function wfBaseConvert( $input, $sourceBase, $destBase, $pad = 1,
+ $lowercase = true, $engine = 'auto'
+) {
$input = (string)$input;
if (
$sourceBase < 2 ||
$sourceBase != (int)$sourceBase ||
$destBase != (int)$destBase ||
$pad != (int)$pad ||
- !preg_match( "/^[" . substr( '0123456789abcdefghijklmnopqrstuvwxyz', 0, $sourceBase ) . "]+$/i", $input )
+ !preg_match(
+ "/^[" . substr( '0123456789abcdefghijklmnopqrstuvwxyz', 0, $sourceBase ) . "]+$/i",
+ $input
+ )
) {
return false;
}
// We treat it as disabled if it doesn't have an entropy length of at least 32
$entropyEnabled = wfCheckEntropy();
- // If built-in entropy is not enabled or not sufficient override php's built in session id generation code
+ // If built-in entropy is not enabled or not sufficient override PHP's
+ // built in session id generation code
if ( !$entropyEnabled ) {
- wfDebug( __METHOD__ . ": PHP's built in entropy is disabled or not sufficient, overriding session id generation using our cryptrand source.\n" );
+ wfDebug( __METHOD__ . ": PHP's built in entropy is disabled or not sufficient, " .
+ "overriding session id generation using our cryptrand source.\n" );
session_id( MWCryptRand::generateHex( 32 ) );
}
}
* @return string
*/
function wfGetNull() {
- return wfIsWindows()
- ? 'NUL'
- : '/dev/null';
+ return wfIsWindows() ? 'NUL' : '/dev/null';
}
/**
* in maintenance scripts, to avoid causing too much lag. Of course, this is
* a no-op if there are no slaves.
*
- * @param $maxLag Integer (deprecated)
- * @param $wiki mixed Wiki identifier accepted by wfGetLB
- * @param $cluster string cluster name accepted by LBFactory
+ * @param int|bool $maxLag (deprecated)
+ * @param mixed $wiki Wiki identifier accepted by wfGetLB
+ * @param string|bool $cluster Cluster name accepted by LBFactory. Default: false.
*/
function wfWaitForSlaves( $maxLag = false, $wiki = false, $cluster = false ) {
- $lb = ( $cluster !== false )
- ? wfGetLBFactory()->getExternalLB( $cluster )
- : wfGetLB( $wiki );
+ if( $cluster !== false ) {
+ $lb = wfGetLBFactory()->getExternalLB( $cluster );
+ } else {
+ $lb = wfGetLB( $wiki );
+ }
+
// bug 27975 - Don't try to wait for slaves if there are none
// Prevents permission error when getting master position
if ( $lb->getServerCount() > 1 ) {
* characters before hashing.
* @return string
* @codeCoverageIgnore
- * @deprecated since 1.20; Please use MWCryptRand for security purposes and wfRandomString for pseudo-random strings
- * @warning This method is NOT secure. Additionally it has many callers that use it for pseudo-random purposes.
+ * @deprecated since 1.20; Please use MWCryptRand for security purposes and
+ * wfRandomString for pseudo-random strings
+ * @warning This method is NOT secure. Additionally it has many callers that
+ * use it for pseudo-random purposes.
*/
function wfGenerateToken( $salt = '' ) {
wfDeprecated( __METHOD__, '1.20' );
dépôts / lhc / web / wiklou.git / commitdiff