X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=install-utils.inc;h=5b632d20712979e945ad05ff7e383d692720af34;hb=b15aa021293cf0ee66c0c621d5a26cc7f2874ed3;hp=f9842476a12fd3e068f5678f6cddc5965b879483;hpb=8d5959de56eecba0be23d69e40ba7af79ead4459;p=lhc%2Fweb%2Fwiklou.git

diff --git a/install-utils.inc b/install-utils.inc
index f9842476a1..5b632d2071 100644
--- a/install-utils.inc
+++ b/install-utils.inc
@@ -1,42 +1,53 @@
-<?
+<?php
 
 function install_version_checks() {
-	if( !function_exists( "version_compare" ) ) {
+	# We dare not turn output buffer _off_ since this will break completely
+	# if PHP is globally configured to run through a gzip filter.
+	@ob_implicit_flush( true );
+
+	if( !function_exists( 'version_compare' ) ) {
 		# version_compare was introduced in 4.1.0
-		die( "Your PHP version is much too old; 4.0.x will _not_ work. 4.3.2 or higher is recommended. ABORTING.\n" );
-	}
-	if( version_compare( phpversion(), "4.3.2" ) < 0 ) {
-		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";
+		echo "Your PHP version is much too old; 4.0.x will _not_ work. 5.0.0 or higher is required. ABORTING.\n";
+		die( -1 );
 	}
-	if( !ini_get( "register_globals" ) ) {
-		echo "WARNING: register_globals is not on; MediaWiki currently relies on this option.\n\n";
+	if( version_compare( phpversion(), '5.0.0' ) < 0 ) {
+		echo "PHP 5.0.0 or higher is required. If PHP 5 is available only when \n".
+   "PHP files have a .php5 extension, please navigate to <a href=\"index.php5\">index.php5</a> \n".
+   "to continue installation. ABORTING.\n";
+		die( -1 );
 	}
 	
-	if (!extension_loaded('mysql')) {
-		if (!dl('mysql.so')) {
-			print "Could not load MySQL driver! Please compile ".
-				  "php --with-mysql or install the mysql.so module.\n";
-		exit;
-		}
+	// Test for PHP bug which breaks PHP 5.0.x on 64-bit...
+	// As of 1.8 this breaks lots of common operations instead
+	// of just some rare ones like export.
+	$borked = str_replace( 'a', 'b', array( -1 => -1 ) );
+	if( !isset( $borked[-1] ) ) {
+		echo "PHP 5.0.x is buggy on your 64-bit system; you must upgrade to PHP 5.1.x\n" .
+			"or higher. ABORTING. (http://bugs.php.net/bug.php?id=34879 for details)\n";
+		die( -1 );
 	}
-	
+
 	global $wgCommandLineMode;
 	$wgCommandLineMode = true;
 	umask( 000 );
-	set_time_limit( 0 );
+	@set_time_limit( 0 );
 }
 
 function copyfile( $sdir, $name, $ddir, $perms = 0664 ) {
+	copyfileto( $sdir, $name, $ddir, $name, $perms );
+}
+
+function copyfileto( $sdir, $sname, $ddir, $dname, $perms = 0664 ) {
 	global $wgInstallOwner, $wgInstallGroup;
 
-	$d = "{$ddir}/{$name}";
-	if ( copy( "{$sdir}/{$name}", $d ) ) {
+	$d = "{$ddir}/{$dname}";
+	if ( copy( "{$sdir}/{$sname}", $d ) ) {
 		if ( isset( $wgInstallOwner ) ) { chown( $d, $wgInstallOwner ); }
 		if ( isset( $wgInstallGroup ) ) { chgrp( $d, $wgInstallGroup ); }
 		chmod( $d, $perms );
-		# print "Copied \"{$name}\" to \"{$ddir}\".\n";
+		# print "Copied \"{$sname}\" to \"{$d}\".\n";
 	} else {
-		print "Failed to copy file \"{$name}\" to \"{$ddir}\".\n";
+		print "Failed to copy file \"{$sname}\" to \"{$ddir}/{$dname}\".\n";
 		exit();
 	}
 }
@@ -45,120 +56,85 @@ function copydirectory( $source, $dest ) {
 	$handle = opendir( $source );
 	while ( false !== ( $f = readdir( $handle ) ) ) {
 		$fullname = "$source/$f";
-		if ( $f{0} !="." && is_file( $fullname ) ) {
+		if ( $f{0} != '.' && is_file( $fullname ) ) {
 			copyfile( $source, $f, $dest );
 		}
 	}
 }
 
-function readconsole() {
-	$fp = fopen( "php://stdin", "r" );
-	$resp = trim( fgets( $fp, 1024 ) );
-	fclose( $fp );
-	return $resp;
-}
-
-
-function replacevars( $ins ) {
-	$varnames = array(
-		"wgDBserver", "wgDBname", "wgDBintlname", "wgDBuser",
-		"wgDBpassword", "wgDBsqluser", "wgDBsqlpassword",
-		"wgDBadminuser", "wgDBadminpassword"
-	);
-
-	foreach ( $varnames as $var ) {
-		global $$var;
-		$ins = str_replace( '{$' . $var . '}', $$var, $ins );
-	}
-	return $ins;
-}
-
-#
-# Read and execute SQL commands from a file
-#
-function dbsource( $fname, $conn = false ) {
-	$fp = fopen( $fname, "r" );
-	if ( false === $fp ) {
-		print "Could not open \"{$fname}\".\n";
-		exit();
+function readconsole( $prompt = '' ) {
+	static $isatty = null;
+	if ( is_null( $isatty ) ) {
+		if ( !function_exists( 'posix_isatty' ) || posix_isatty( 0 /*STDIN*/ ) ) {
+			$isatty = true;
+		} else {
+			$isatty = false;
+		}
 	}
 
-	$cmd = "";
-	$done = false;
-
-	while ( ! feof( $fp ) ) {
-		$line = trim( fgets( $fp, 1024 ) );
-		$sl = strlen( $line ) - 1;
-
-		if ( $sl < 0 ) { continue; }
-		if ( "-" == $line{0} && "-" == $line{1} ) { continue; }
-
-		if ( ";" == $line{$sl} ) {
-			$done = true;
-			$line = substr( $line, 0, $sl );
+	if ( $isatty && function_exists( 'readline' ) ) {
+		return readline( $prompt );
+	} else {
+		if ( $isatty ) {
+			print $prompt;
 		}
-
-		if ( "" != $cmd ) { $cmd .= " "; }
-		$cmd .= $line;
-
-		if ( $done ) {
-			$cmd = replacevars( $cmd );
-			if( $conn )
-				$res = mysql_query( $cmd, $conn );
-			else
-				$res = mysql_query( $cmd );
-
-			if ( false === $res ) {
-				print "Query \"{$cmd}\" failed.\n";
-				exit();
-			}
-
-			$cmd = "";
-			$done = false;
+		if ( feof( STDIN ) ) {
+			return false;
 		}
+		$st = fgets(STDIN, 1024);
+		if ($st === false) return false;
+		$resp = trim( $st );
+		return $resp;
 	}
-	fclose( $fp );
 }
 
-
-function field_exists( $table, $field ) {
-	$fname = "Update script: field_exists";
-	$res = wfQuery( "DESCRIBE $table", $fname );
-	$found = false;
-	
-	while ( $row = wfFetchObject( $res ) ) {
-		if ( $row->Field == $field ) {
-			$found = true;
-			break;
+#
+# Read and execute SQL commands from a file
+#
+function dbsource( $fname, $db = false ) {
+	if ( !$db ) {
+		// Try $wgDatabase, which is used in the install and update scripts
+		global $wgDatabase;
+		if ( isset( $wgDatabase ) ) {
+			$db = $wgDatabase;
+		} else {
+			// No? Well, we must be outside of those scripts, so use the standard method
+			$db = wfGetDB( DB_MASTER );
 		}
 	}
-	return $found;
-}
-
-
-function table_exists( $db ) {
-	global $wgDBname;
-	$res = mysql_list_tables( $wgDBname );
-	if( !$res ) {
-		echo "** " . mysql_error() . "\n";
-		return false;
-	}
-	for( $i = mysql_num_rows( $res ) - 1; $i--; $i > 0 ) {
-		if( mysql_tablename( $res, $i ) == $db ) return true;
+	$error = $db->sourceFile( $fname );
+	if ( $error !== true ) {
+		print $error;
+		exit(1);
 	}
-	return false;
 }
 
-function field_info( $table, $field ) {
-	$res = mysql_query( "SELECT * FROM $table LIMIT 1" );
-	$n = mysql_num_fields( $res );
-	for( $i = 0; $i < $n; $i++ ) {
-		$meta = mysql_fetch_field( $res, $i );
-		if( $field == $meta->name ) {
-			return $meta;
-		}
-	}
-	return false;
+/**
+ * Get the value of session.save_path
+ *
+ * Per http://uk.php.net/manual/en/ref.session.php#ini.session.save-path,
+ * this might have some additional preceding parts which need to be
+ * ditched
+ *
+ * @return string
+ */
+function mw_get_session_save_path() {
+	$path = ini_get( 'session.save_path' );
+	$path = substr( $path, strrpos( $path, ';' ) );
+	return $path;
 }
 
-?>
+/**
+ * Is dl() available to us?
+ *
+ * According to http://uk.php.net/manual/en/function.dl.php, dl()
+ * is *not* available when `enable_dl` is off, or under `safe_mode`
+ *
+ * @return bool
+ */
+function mw_have_dl() {
+	return function_exists( 'dl' )
+		&& is_callable( 'dl' )
+		&& wfIniGetBool( 'enable_dl' )
+		&& !wfIniGetBool( 'safe_mode' );
+}
\ No newline at end of file