160 lines
3.9 KiB
PHP
160 lines
3.9 KiB
PHP
<?php
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function install_version_checks() {
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# We dare not turn output buffer _off_ since this will break completely
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# if PHP is globally configured to run through a gzip filter.
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@ob_implicit_flush( true );
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if( !function_exists( 'version_compare' ) ) {
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# version_compare was introduced in 4.1.0
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echo "Your PHP version is much too old; 4.0.x will _not_ work. 5.0.0 or higher is required. ABORTING.\n";
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die( -1 );
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}
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if( version_compare( phpversion(), '5.0.0' ) < 0 ) {
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echo "PHP 5.0.0 or higher is required. ABORTING.\n";
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die( -1 );
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}
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$gotdatabase = 0;
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## XXX We should quiet the warnings thrown here
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if (extension_loaded('mysql') or dl('mysql.so')) {
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$gotdatabase = 'mysql';
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}
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else if (extension_loaded('pgsql') or dl('pgsql.so')) {
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$gotdatabase = 'pg';
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}
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if (!$gotdatabase) {
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print "Could not load the MySQL or the PostgreSQL driver! Please compile ".
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"php with either --with-mysql or --with-pgsql, or install the mysql.so or pg.so module.\n";
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exit;
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}
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global $wgCommandLineMode;
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$wgCommandLineMode = true;
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umask( 000 );
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set_time_limit( 0 );
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}
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function copyfile( $sdir, $name, $ddir, $perms = 0664 ) {
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copyfileto( $sdir, $name, $ddir, $name, $perms );
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}
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function copyfileto( $sdir, $sname, $ddir, $dname, $perms = 0664 ) {
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global $wgInstallOwner, $wgInstallGroup;
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$d = "{$ddir}/{$dname}";
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if ( copy( "{$sdir}/{$sname}", $d ) ) {
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if ( isset( $wgInstallOwner ) ) { chown( $d, $wgInstallOwner ); }
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if ( isset( $wgInstallGroup ) ) { chgrp( $d, $wgInstallGroup ); }
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chmod( $d, $perms );
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# print "Copied \"{$sname}\" to \"{$d}\".\n";
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} else {
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print "Failed to copy file \"{$sname}\" to \"{$ddir}/{$dname}\".\n";
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exit();
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}
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}
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function copydirectory( $source, $dest ) {
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$handle = opendir( $source );
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while ( false !== ( $f = readdir( $handle ) ) ) {
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$fullname = "$source/$f";
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if ( $f{0} != '.' && is_file( $fullname ) ) {
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copyfile( $source, $f, $dest );
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}
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}
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}
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function readconsole( $prompt = '' ) {
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static $isatty = null, $fp = null;
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if ( is_null( $fp ) ) {
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$fp = fopen( 'php://stdin', 'r' );
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}
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if ( is_null( $isatty ) ) {
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if ( !function_exists( 'posix_isatty' ) || posix_isatty( $fp ) ) {
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$isatty = true;
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} else {
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$isatty = false;
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}
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}
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if ( $isatty && function_exists( 'readline' ) ) {
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return readline( $prompt );
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} else {
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if ( $isatty ) {
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print $prompt;
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}
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if ( feof( $fp ) ) {
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return false;
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}
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$st = fgets($fp, 1024);
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if ($st === false) return false;
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$resp = trim( $st );
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return $resp;
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}
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}
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#
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# Read and execute SQL commands from a file
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#
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function dbsource( $fname, $db = false ) {
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if ( !$db ) {
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// Try $wgDatabase, which is used in the install and update scripts
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global $wgDatabase;
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if ( isset( $wgDatabase ) ) {
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$db =& $wgDatabase;
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} else {
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// No? Well, we must be outside of those scripts, so use the standard method
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$db =& wfGetDB( DB_MASTER );
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}
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}
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$error = $db->sourceFile( $fname );
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if ( $error !== true ) {
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print $error;
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exit(1);
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}
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}
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# Obsolete, use Database::fieldExists()
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function field_exists( $table, $field ) {
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$fname = 'Update script: field_exists';
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$db =& wfGetDB( DB_SLAVE );
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$res = $db->query( "DESCRIBE $table", $fname );
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$found = false;
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while ( $row = $db->fetchObject( $res ) ) {
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if ( $row->Field == $field ) {
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$found = true;
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break;
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}
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}
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return $found;
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}
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# Obsolete Database::tableExists()
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function table_exists( $db ) {
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global $wgDBname;
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$res = mysql_list_tables( $wgDBname );
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if( !$res ) {
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echo "** " . mysql_error() . "\n";
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return false;
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}
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for( $i = mysql_num_rows( $res ) - 1; $i--; $i > 0 ) {
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if( mysql_tablename( $res, $i ) == $db ) return true;
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}
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return false;
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}
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# Obsolete, use Database:fieldInfo()
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function field_info( $table, $field ) {
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$res = mysql_query( "SELECT * FROM $table LIMIT 1" );
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$n = mysql_num_fields( $res );
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for( $i = 0; $i < $n; $i++ ) {
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$meta = mysql_fetch_field( $res, $i );
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if( $field == $meta->name ) {
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return $meta;
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}
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}
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return false;
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}
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?>
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