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wfTempDir try harder to get a tmp dir on Windows

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Bug: T44730
Change-Id: If6f93ed50dfd93a1ffe046218058674a2197a626
This commit is contained in:
addshore 2016-04-20 21:39:04 +01:00
parent 749f7624d9
commit 96e94d1c90
1 changed files with 18 additions and 0 deletions
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18
includes/GlobalFunctions.php
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@ -2120,6 +2120,24 @@ function wfTempDir() {
return $tmp;
}
}
/**
* PHP on Windows will detect C:\Windows\Temp as not writable even though PHP can write to it
* so create a directory within that called 'mwtmp' with a suffix of the user running the
* current process.
* The user is included as if various scripts are run by different users they will likely
* not be able to access each others temporary files.
*/
if ( wfIsWindows() ) {
$tmp = sys_get_temp_dir() . DIRECTORY_SEPARATOR . 'mwtmp' . '-' . get_current_user();
if ( !file_exists( $tmp ) ) {
mkdir( $tmp );
}
if ( file_exists( $tmp ) && is_dir( $tmp ) && is_writable( $tmp ) ) {
return $tmp;
}
}
throw new MWException( 'No writable temporary directory could be found. ' .
'Please set $wgTmpDirectory to a writable directory.' );
}