install-utils.inc

   1 <?php
   2
   3 function install_version_checks() {
   4         if( !function_exists( "version_compare" ) ) {
   5                 # version_compare was introduced in 4.1.0
   6                 die( "Your PHP version is much too old; 4.0.x will _not_ work. 4.3.2 or higher is recommended. ABORTING.\n" );
   7         }
   8         if( version_compare( phpversion(), "4.3.2" ) < 0 ) {
   9                 echo "WARNING: PHP 4.3.2 or higher is recommended. Older versions from 4.1.x up may work but are not actively supported.\n\n";
  10         }
  11
  12         if (!extension_loaded('mysql')) {
  13                 if (!dl('mysql.so')) {
  14                         print "Could not load MySQL driver! Please compile ".
  15                                   "php --with-mysql or install the mysql.so module.\n";
  16                 exit;
  17                 }
  18         }
  19
  20         global $wgCommandLineMode;
  21         $wgCommandLineMode = true;
  22         umask( 000 );
  23         set_time_limit( 0 );
  24 }
  25
  26 function copyfile( $sdir, $name, $ddir, $perms = 0664 ) {
  27         copyfileto( $sdir, $name, $ddir, $name, $perms );
  28 }
  29
  30 function copyfileto( $sdir, $sname, $ddir, $dname, $perms = 0664 ) {
  31         global $wgInstallOwner, $wgInstallGroup;
  32
  33         $d = "{$ddir}/{$dname}";
  34         if ( copy( "{$sdir}/{$sname}", $d ) ) {
  35                 if ( isset( $wgInstallOwner ) ) { chown( $d, $wgInstallOwner ); }
  36                 if ( isset( $wgInstallGroup ) ) { chgrp( $d, $wgInstallGroup ); }
  37                 chmod( $d, $perms );
  38                 # print "Copied \"{$sname}\" to \"{$d}\".\n";
  39         } else {
  40                 print "Failed to copy file \"{$sname}\" to \"{$ddir}/{$dname}\".\n";
  41                 exit();
  42         }
  43 }
  44
  45 function copydirectory( $source, $dest ) {
  46         $handle = opendir( $source );
  47         while ( false !== ( $f = readdir( $handle ) ) ) {
  48                 $fullname = "$source/$f";
  49                 if ( $f{0} !="." && is_file( $fullname ) ) {
  50                         copyfile( $source, $f, $dest );
  51                 }
  52         }
  53 }
  54
  55 function readconsole() {
  56         $fp = fopen( "php://stdin", "r" );
  57         $resp = trim( fgets( $fp, 1024 ) );
  58         fclose( $fp );
  59         return $resp;
  60 }
  61
  62
  63 function replacevars( $ins ) {
  64         $varnames = array(
  65                 "wgDBserver", "wgDBname", "wgDBintlname", "wgDBuser",
  66                 "wgDBpassword", "wgDBsqluser", "wgDBsqlpassword",
  67                 "wgDBadminuser", "wgDBadminpassword"
  68         );
  69
  70         foreach ( $varnames as $var ) {
  71                 global $$var;
  72                 $ins = str_replace( '{$' . $var . '}', $$var, $ins );
  73         }
  74         return $ins;
  75 }
  76
  77 #
  78 # Read and execute SQL commands from a file
  79 #
  80 function dbsource( $fname, $database = false ) {
  81         $fp = fopen( $fname, "r" );
  82         if ( false === $fp ) {
  83                 print "Could not open \"{$fname}\".\n";
  84                 exit();
  85         }
  86
  87         $cmd = "";
  88         $done = false;
  89
  90         while ( ! feof( $fp ) ) {
  91                 $line = trim( fgets( $fp, 1024 ) );
  92                 $sl = strlen( $line ) - 1;
  93
  94                 if ( $sl < 0 ) { continue; }
  95                 if ( "-" == $line{0} && "-" == $line{1} ) { continue; }
  96
  97                 if ( ";" == $line{$sl} ) {
  98                         $done = true;
  99                         $line = substr( $line, 0, $sl );
 100                 }
 101
 102                 if ( "" != $cmd ) { $cmd .= " "; }
 103                 $cmd .= $line;
 104
 105                 if ( $done ) {
 106                         $cmd = replacevars( $cmd );
 107                         if( $database )
 108                                 $res = $database->query( $cmd );
 109                         else
 110                                 $res = mysql_query( $cmd );
 111
 112                         if ( false === $res ) {
 113                                 print "Query \"{$cmd}\" failed.\n";
 114                                 exit();
 115                         }
 116
 117                         $cmd = "";
 118                         $done = false;
 119                 }
 120         }
 121         fclose( $fp );
 122 }
 123
 124 # Obsolete, use Database::fieldExists()
 125 function field_exists( $table, $field ) {
 126         $fname = "Update script: field_exists";
 127         $res = wfQuery( "DESCRIBE $table", $fname );
 128         $found = false;
 129
 130         while ( $row = wfFetchObject( $res ) ) {
 131                 if ( $row->Field == $field ) {
 132                         $found = true;
 133                         break;
 134                 }
 135         }
 136         return $found;
 137 }
 138
 139 # Obsolete Database::tableExists()
 140 function table_exists( $db ) {
 141         global $wgDBname;
 142         $res = mysql_list_tables( $wgDBname );
 143         if( !$res ) {
 144                 echo "** " . mysql_error() . "\n";
 145                 return false;
 146         }
 147         for( $i = mysql_num_rows( $res ) - 1; $i--; $i > 0 ) {
 148                 if( mysql_tablename( $res, $i ) == $db ) return true;
 149         }
 150         return false;
 151 }
 152
 153 # Obsolete, use Database:fieldInfo()
 154 function field_info( $table, $field ) {
 155         $res = mysql_query( "SELECT * FROM $table LIMIT 1" );
 156         $n = mysql_num_fields( $res );
 157         for( $i = 0; $i < $n; $i++ ) {
 158                 $meta = mysql_fetch_field( $res, $i );
 159                 if( $field == $meta->name ) {
 160                         return $meta;
 161                 }
 162         }
 163         return false;
 164 }
 165
 166 ?>