silverstripe-installer/install.php
aoneil 62076389c3 Moved installer to open, the right copy this time!
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/phpinstaller/trunk@39713 467b73ca-7a2a-4603-9d3b-597d59a354a9
2007-08-07 22:19:05 +00:00

793 lines
25 KiB
PHP

<?php
/**
* SilverStripe CMS Installer
* This installer doesn't use any of the fancy Sapphire stuff in case it's unsupported.
*/
ini_set('max_execution_time', 300);
// Load database config
if(isset($_REQUEST['mysql'])) {
$databaseConfig = $_REQUEST['mysql'];
} else {
$databaseConfig = array(
"server" => "localhost",
"username" => "root",
"password" => "",
"database" => "SS_mysite",
);
}
$alreadyInstalled = (file_exists('assets') || file_exists('mysite/_config.php'));
if(file_exists('sapphire/silverstripe_version')) {
$sapphireVersionFile = file_get_contents('sapphire/silverstripe_version');
if(strstr($sapphireVersionFile, "/sapphire/trunk")) {
$silverstripe_version = "trunk";
} else {
preg_match("/sapphire\/(?:(?:branches)|(?:tags))(?:\/rc)?\/([A-Za-z0-9._-]+)\/silverstripe_version/", $sapphireVersionFile, $matches);
$silverstripe_version = $matches[1];
}
} else {
$silverstripe_version = "unknown";
}
// Check requirements
$req = new InstallRequirements();
$req->check();
if($req->hasErrors()) $hasErrorOtherThanDatabase = true;
if($databaseConfig) {
$dbReq = new InstallRequirements();
$dbReq->checkdatabase($databaseConfig);
}
// Actual processor
if(isset($_REQUEST['go']) && !$req->hasErrors() && !$dbReq->hasErrors()) {
// Confirm before reinstalling
if(!isset($_REQUEST['force_reinstall']) && $alreadyInstalled) {
include('config-form.html');
} else {
$inst = new Installer();
$inst->install($_REQUEST);
}
// Show the config form
} else {
include('config-form.html');
}
/**
* This class checks requirements
* Each of the requireXXX functions takes an argument which gives a user description of the test. It's an array
* of 3 parts:
* $description[0] - The test catetgory
* $description[1] - The test title
* $description[2] - The test error to show, if it goes wrong
*/
class InstallRequirements {
var $errors, $warnings, $tests;
/**
* Just check that the database configuration is okay
*/
function checkdatabase($databaseConfig) {
if($this->requireFunction('mysql_connect', array("PHP Configuration", "MySQL support", "MySQL support not included in PHP."))) {
$this->requireMySQLServer($databaseConfig['server'], array("MySQL Configuration", "Does the server exist",
"Can't find the a MySQL server on '$databaseConfig[server]'", $databaseConfig['server']));
if($this->requireMysqlConnection($databaseConfig['server'], $databaseConfig['username'], $databaseConfig['password'],
array("MySQL Configuration", "Are the access credentials correct", "That username/password doesn't work"))) {
@$this->requireMySQLVersion("4.1", array("MySQL Configuration", "MySQL version at least 4.1", "MySQL version 4.1 is required, you only have ", "MySQL " . mysql_get_server_info()));
}
$this->requireDatabaseOrCreatePermissions($databaseConfig['server'], $databaseConfig['username'], $databaseConfig['password'], $databaseConfig['database'],
array("MySQL Configuration", "Can I access/create the database", "I can't create new databases and the database '$databaseConfig[database]' doesn't exist"));
}
}
/**
* Check everything except the database
*/
function check() {
$this->errors = null;
$this->requirePHPVersion('5.0.4', array("PHP Configuration", "PHP5 installed", null, "PHP version " . phpversion()));
// Check that we can identify the root folder successfully
$this->requireFile('config-form.html', array("File permissions",
"Does the webserver know where files are stored?",
"The webserver isn't letting me identify where files are stored.",
$this->getBaseDir()
));
$this->requireFile('mysite', array("File permissions", "mysite/ folder exists", "There's no mysite folder."));
$this->requireFile('sapphire', array("File permissions", "sapphire/ folder exists", "There's no sapphire folder."));
$this->requireFile('cms', array("File permissions", "cms/ folder exists", "There's no cms folder."));
$this->requireFile('jsparty', array("File permissions", "jsparty/ folder exists", "There's no jsparty folder."));
$this->requireWriteable('.', array("File permissions", "Is the base folder writeable?", null));
$this->requireWriteable('mysite', array("File permissions", "Is the mysite /folder writeable?", null));
if(!is_writeable(dirname(tempnam('adfadsfdas','')))) {
$this->error(array("File permissions", "Is the temporary folder writeable?", "The temporary folder isn't writeable!"));
}
// Check that there's no stray files to get in the way
//$this->moveFileOutOfTheWay('.htaccess', "Please remove the current .htaccess file.");
//$this->moveFileOutOfTheWay('mysite/_config.php', "Please remove the current mysite/_config.php file.");
// Check for rewriting
$webserver = strip_tags(trim($_SERVER['SERVER_SIGNATURE']));
if($webserver == '') {
$webserver = "I can't tell what webserver you are running";
}
$this->isRunningApache(array("Webserver Configuration", "Server software", "$webserver. Without Apache I can't tell if mod_rewrite is enabled.", $webserver));
if(function_exists('apache_get_modules')) {
$this->requireApacheModule('mod_rewrite', array("Webserver Configuration", "mod_rewrite enabled", "You need mod_rewrite to run SilverStripe CMS, but it is not enabled."));
} else {
$this->warning(array("Webserver Configuration", "mod_rewrite enabled", "I can't tell whether mod_rewrite is running. You may need to configure a rewriting rule yourself."));
}
// Check for $_SERVER configuration
$this->requireServerVariables(array('SCRIPT_NAME','HTTP_HOST','SCRIPT_FILENAME'), array("Webserver config", "Recognised webserver", "You seem to be using an unsupported webserver. The server variables SCRIPT_NAME, HTTP_HOST, SCRIPT_FILENAME need to be set."));
// Check for GD support
if(!$this->requireFunction("imagecreatetruecolor", array("PHP Configuration", "GD2 support", "PHP must have GD version 2."))) {
$this->requireFunction("imagecreate", array("PHP Configuration", "GD2 support", "GD2 support", "GD support for PHP not included."));
}
// Check for XML support
$this->requireFunction('xml_set_object', array("PHP Configuration", "XML support", "XML support not included in PHP."));
// Check for MySQL support
$this->requireFunction('mysql_connect', array("PHP Configuration", "MySQL support", "MySQL support not included in PHP."));
// Check memory allocation
$this->requireMemory(20*1024*1024, 32*1024*1024, array("PHP Configuration", "Memory allocated (PHP config option 'memory_limit')", "SilverStripe needs a minimum of 20M allocated to PHP, but recommends 32M.", ini_get("memory_limit")));
// Check allow_call_time_pass_reference
$this->suggestPHPSetting('allow_call_time_pass_reference', array(1,'1','on','On'), array("PHP Configuration", "Check that the php.ini setting allow_call_time_pass_reference is on",
"You can install with allow_call_time_pass_reference not set, but some warnings may get displayed. For best results, turn it on."));
return $this->errors;
}
function suggestPHPSetting($settingName, $settingValues, $testDetails) {
$this->testing($testDetails);
$val = ini_get($settingName);
if(!in_array($val, $settingValues) && $val != $settingValues) {
$testDetails[2] = "$settingName is set to '$val' in php.ini. $testDetails[2]";
$this->warning($testDetails);
}
}
function requireMemory($min, $recommended, $testDetails) {
$this->testing($testDetails);
$mem = $this->getPHPMemory();
if($mem < $min && $mem > 0) {
$testDetails[2] .= " You only have " . ini_get("memory_limit") . " allocated";
$this->error($testDetails);
} else if($mem < $recommended && $mem > 0) {
$testDetails[2] .= " You only have " . ini_get("memory_limit") . " allocated";
$this->warning($testDetails);
} elseif($mem == 0) {
$testDetails[2] .= " We can't determine how much memory you have allocated. Install only if you're sure you've allocated at least 20 MB.";
$this->warning($testDetails);
}
}
function getPHPMemory() {
$memString = ini_get("memory_limit");
switch(strtolower(substr($memString,-1))) {
case "k":
return round(substr($memString,0,-1)*1024);
case "m":
return round(substr($memString,0,-1)*1024*1024);
case "g":
return round(substr($memString,0,-1)*1024*1024*1024);
default:
return round($memString);
}
}
function listErrors() {
if($this->errors) {
echo "<p>The following problems are preventing me from installing SilverStripe CMS:</p>";
foreach($this->errors as $error) {
echo "<li>" . htmlentities($error) . "</li>";
}
}
}
function showTable($section = null) {
if($section) {
$tests = $this->tests[$section];
echo "<table class=\"testResults\" width=\"100%\">";
foreach($tests as $test => $result) {
echo "<tr class=\"$result[0]\"><td>$test</td><td>" . nl2br(htmlentities($result[1])) . "</td></tr>";
}
echo "</table>";
} else {
foreach($this->tests as $section => $tests) {
echo "<h3>$section</h3>";
echo "<table class=\"testResults\" width=\"100%\">";
foreach($tests as $test => $result) {
echo "<tr class=\"$result[0]\"><td>$test</td><td>" . nl2br(htmlentities($result[1])) . "</td></tr>";
}
echo "</table>";
}
}
}
function showInstallStatus() {
if($this->warnings) {
echo "I have installed SilverStripe CMS, however, you should note the following:";
foreach($this->warnings as $warning) {
echo "<li>" . htmlentities($warning) . "</li>";
}
} else {
?>
<p>I have installed SilverStripe CMS successfully!</p>
<p><a href="./admin/" target="_blank">Open the CMS tool</a><br />
<a href="./" target="_blank">Open the site</a></p>
<?
}
}
function requireFunction($funcName, $testDetails) {
$this->testing($testDetails);
if(!function_exists($funcName)) $this->error($testDetails);
else return true;
}
function requirePHPVersion($version, $testDetails) {
$this->testing($testDetails);
list($reqA, $reqB, $reqC) = explode('.', $version);
list($a, $b, $c) = explode('.', phpversion());
$c = ereg_replace('-.*$','',$c);
if($a > $reqA) return true;
if($a == $reqA && $b > $reqB) return true;
if($a == $reqA && $b == $reqB && $c >= $reqC) return true;
if(!$testDetails[2]) {
if($a < $reqA) {
$testDetails[2] = "You need PHP version $version or later, only $a.$b.$c is installed. Unfortunately PHP$a and PHP$reqA have some incompatabilities, so if you are on a your web-host may need to move you to a different server. Some software doesn't work with PHP5 and so upgrading a shared server could be problematic.";
} else {
$testDetails[2] = "You need PHP version $version or later, only $a.$b.$c is installed. Please upgrade your server, or ask your web-host to do so.";
}
}
$this->error($testDetails);
}
function requireFile($filename, $testDetails) {
$this->testing($testDetails);
$filename = $this->getBaseDir() . $filename;
if(!file_exists($filename)) {
$testDetails[2] .= " (file '$filename' not found)";
$this->error($testDetails);
}
}
function requireNoFile($filename, $testDetails) {
$this->testing($testDetails);
$filename = $this->getBaseDir() . $filename;
if(file_exists($filename)) {
$testDetails[2] .= " (file '$filename' found)";
$this->error($testDetails);
}
}
function moveFileOutOfTheWay($filename, $testDetails) {
$this->testing($testDetails);
$filename = $this->getBaseDir() . $filename;
if(file_exists($filename)) {
if(file_exists("$filename.bak")) rm("$filename.bak");
rename($filename, "$filename.bak");
}
}
function requireWriteable($filename, $testDetails) {
$this->testing($testDetails);
$filename = $this->getBaseDir() . $filename;
if(!is_writeable($filename)) {
$user = posix_getpwuid(posix_geteuid());
$groups = posix_getgroups();
foreach($groups as $group) {
$groupInfo = posix_getgrgid($group);
$groupList[] = $groupInfo['name'];
}
$groupList = "'" . implode("', '", $groupList) . "'";
$testDetails[2] .= "User '$user[name]' needs to write be able to write to this file:\n$filename";
$this->error($testDetails);
}
}
function requireApacheModule($moduleName, $testDetails) {
$this->testing($testDetails);
if(!in_array($moduleName, apache_get_modules())) $this->error($testDetails);
}
function requireMysqlConnection($server, $username, $password, $testDetails) {
$this->testing($testDetails);
$conn = @mysql_connect($server, $username, $password);
if($conn) {
return true;
/*
if(mysql_query("CREATE DATABASE testing123")) {
mysql_query("DROP DATABASE testing123");
return true;
} else {
$testDetails[2] .= " (user '$username' doesn't have CREATE DATABASE permissions.)";
$this->error($testDetails);
}
*/
} else {
$testDetails[2] .= ": " . mysql_error();
$this->error($testDetails);
}
}
function requireMySQLServer($server, $testDetails) {
$this->testing($testDetails);
$conn = @mysql_connect($server, null, null);
if($conn || mysql_errno() < 2000) {
return true;
} else {
$testDetails[2] .= ": " . mysql_error();
$this->error($testDetails);
}
}
function requireMySQLVersion($version, $testDetails) {
$this->testing($testDetails);
if(!mysql_get_server_info()) {
$testDetails[2] = 'Cannot determine the version of MySQL installed. Please ensure at least version 4.1 is installed.';
$this->warning($testDetails);
} else {
list($majorRequested, $minorRequested) = explode('.', $version);
list($majorHas, $minorHas) = explode('.', mysql_get_server_info());
if(($majorHas > $majorRequested) || ($majorHas == $majorRequested && $minorHas >= $minorRequested)) {
return true;
} else {
$testDetails[2] .= "{$majorHas}.{$minorHas}.";
$this->error($testDetails);
}
}
}
function requireDatabaseOrCreatePermissions($server, $username, $password, $database, $testDetails) {
$this->testing($testDetails);
$conn = @mysql_connect($server, $username, $password);
if(@mysql_select_db($database)) {
$okay = "Database '$database' exists";
} else {
if(@mysql_query("CREATE DATABASE testing123")) {
mysql_query("DROP DATABASE testing123");
$okay = "Able to create a new database";
} else {
$testDetails[2] .= " (user '$username' doesn't have CREATE DATABASE permissions.)";
$this->error($testDetails);
return;
}
}
if($okay) {
$testDetails[3] = $okay;
$this->testing($testDetails);
}
}
function requireServerVariables($varNames, $errorMessage) {
//$this->testing($testDetails);
foreach($varNames as $varName) {
if(!$_SERVER[$varName]) $missing[] = '$_SERVER[' . $varName . ']';
}
if(!isset($missing)) {
return true;
} else {
$testDetails[2] .= " (the following PHP variables are missing: " . implode(", ", $missing) . ")";
$this->error($testDetails);
}
}
function isRunningApache($testDetails) {
$this->testing($testDetails);
if(function_exists('apache_get_modules') || stristr($_SERVER['SERVER_SIGNATURE'], 'Apache'))
return true;
$this->warning($testDetails);
return false;
}
function getBaseDir() {
return dirname($_SERVER['SCRIPT_FILENAME']) . '/';
}
function testing($testDetails) {
if(!$testDetails) return;
$section = $testDetails[0];
$test = $testDetails[1];
$message = "OK";
if(isset($testDetails[3])) $message .= " ($testDetails[3])";
$this->tests[$section][$test] = array("good", $message);
}
function error($testDetails) {
$section = $testDetails[0];
$test = $testDetails[1];
$this->tests[$section][$test] = array("error", $testDetails[2]);
$this->errors[] = $testDetails;
}
function warning($testDetails) {
$section = $testDetails[0];
$test = $testDetails[1];
$this->tests[$section][$test] = array("warning", $testDetails[2]);
$this->warnings[] = $testDetails;
}
function hasErrors() {
return sizeof($this->errors);
}
function hasWarnings() {
return sizeof($this->warnings);
}
}
class Installer extends InstallRequirements {
function install($config) {
session_start();
?>
<h1>Installing SilverStripe...</h1>
<p>I am now running through the installation steps (this should take about 30 seconds)</p>
<p>If you receive a fatal error, refresh this page to continue the installation
<?
flush();
echo "<li>Creating 'assets' folder...</li>";
flush();
$this->makeFolder('assets');
// Write the config file
$template = $_POST['template'] == 'tutorial' ? 'tutorial' : 'mysite';
echo "<li>Creating '$template/_config.php'...</li>";
flush();
$this->createFile("$template/_config.php", <<<PHP
<?
global \$project;
\$project = '$template';
global \$databaseConfig;
\$databaseConfig = array(
"type" => "$config[database]",
"server" => "{$config['mysql']['server']}",
"username" => "{$config['mysql']['username']}",
"password" => "{$config['mysql']['password']}",
"database" => "{$config['mysql']['database']}",
);
// If we're running on local host, or a server with 'dev.' in its
// name, set the site to dev mode. You should add test for your
// development servers here also.
if(strpos(Director::baseURL(), "localhost") !== false ||
strpos(Director::baseURL(), "127.0.0.1") !== false ||
strpos(Director::baseURL(), "dev.")) {
Director::set_environment_type("dev");
}
?>
PHP
);
echo "<li>Creating '.htaccess' file...</li>";
flush();
$this->createHtaccess();
// Load the sapphire runtime
$_SERVER['SCRIPT_FILENAME'] = dirname($_SERVER['SCRIPT_FILENAME']) . '/sapphire/main.php';
chdir('sapphire');
require_once("core/Core.php");
require_once("core/ManifestBuilder.php");
require_once("core/ClassInfo.php");
require_once('core/Object.php');
require_once('core/control/Director.php');
require_once('filesystem/Filesystem.php');
echo "<li>Building database schema...</li>";
flush();
// Build database
ManifestBuilder::compileManifest();
$dbAdmin = new DatabaseAdmin();
$dbAdmin->init();
$dbAdmin->doBuild(true);
echo "<li>Checking mod_rewrite works</li>";
$_SESSION['username'] = $_REQUEST['username'];
$_SESSION['password'] = $_REQUEST['password'];
if($this->checkModRewrite()) {
if($this->errors) {
} else {
echo "<p>Installed SilverStripe successfully. I will now try and direct you to
<a href=\"home/successfullyinstalled\">home/successfullyinstalled</a> to confirm that the installation was successful.</p>
<script>setTimeout(function() { window.location.href = 'home/successfullyinstalled'; }, 1000);</script>
";
}
}
return $this->errors;
}
function makeFolder($folder) {
$base = $this->getBaseDir();
if(!file_exists($base . $folder)) {
if(!mkdir($base . $folder, 02775)) {
$this->error("Couldn't create a folder called $base$folder");
} else {
chmod($base . $folder, 02775);
}
}
}
function renameFolder($oldName, $newName) {
if($oldName == $newName) return true;
$base = $this->getBaseDir();
if(!rename($base . $oldName, $base . $newName)) {
$this->error("Couldn't rename $base$oldName to $base$newName");
return false;
} else {
return true;
}
}
function copyFolder($oldName, $newName) {
if($oldName == $newName) return true;
$base = $this->getBaseDir();
if(!copyr($base . $oldName, $base . $newName)) {
$this->error("Couldn't rename $base$oldName to $base$newName");
return false;
} else {
return true;
}
}
function createFile($filename, $content) {
$base = $this->getBaseDir();
if(($fh = fopen($base . $filename, 'w')) && fwrite($fh, $content) && fclose($fh)) {
return true;
} else {
$this->error("Couldn't write to file $base$filename");
}
}
function createHtaccess() {
$start = "### SILVERSTRIPE START ###\n";
$end= "\n### SILVERSTRIPE END ###";
$rewrite = <<<TEXT
RewriteEngine On
RewriteRule \.js$ - [L]
RewriteRule \.css$ - [L]
RewriteRule \.png$ - [L]
RewriteRule \.jpg$ - [L]
RewriteRule \.gif$ - [L]
RewriteRule \.php$ - [L]
RewriteCond %{REQUEST_URI} ^(.*)$
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule .* sapphire/main.php?url=%1&%{QUERY_STRING} [L]
TEXT
;
$rewriteAlternative = $rewrite;
str_replace("sapphire", $_SERVER['DOCUMENT_ROOT'] . '/sapphire', $rewriteAlternative);
$baseURL = dirname($_SERVER['SCRIPT_NAME']);
if($baseURL == "/") {
$baseURL = "";
}
if(file_exists('.htaccess')) {
$htaccess = file_get_contents('.htaccess');
copy('.htaccess', '.htaccess_orig');
if(strpos($htaccess, '### SILVERSTRIPE START ###') !== false && strpos($htaccess, '### SILVERSTRIPE END ###') !== false) {
echo "<li>Existing .htaccess found, merging in SilverStripe rewrite rules</li>";
$start = substr($htaccess, 0, strpos($htaccess, '### SILVERSTRIPE START ###')) . "### SILVERSTRIPE START ###\n";
$end = "\n" . substr($htaccess, strpos($htaccess, '### SILVERSTRIPE END ###'));
}
}
$this->createFile('.htaccess_rewrite', $start . $rewrite . $end);
$this->createFile('.htaccess_alternative', $start . $rewriteAlternative . $end);
}
function checkModRewrite() {
copy('../.htaccess_rewrite', '../.htaccess');
if($this->performModRewriteTest() == true) {
return true;
}
copy('../.htaccess_alternative', '../.htaccess');
if($this->performModRewriteTest() == false) {
echo "<li>ERROR: mod_rewrite not working, redirecting to mod_rewrite test page</li>";
if(file_exists('../.htaccess_orig')) {
copy('../.htaccess_orig', '../.htaccess');
} else {
unlink('../.htaccess');
}
echo "I will now try and direct you to <a href=\"rewritetest.php\">rewritetest</a> to troubleshoot mod_rewrite</p>
<script>setTimeout(function() { window.location.href = 'rewritetest.php'; }, 1000);</script>
";
return false;
}
return true;
}
function performModRewriteTest() {
$baseURL = dirname($_SERVER['SCRIPT_NAME']);
if($baseURL == "/") {
$baseURL = "";
}
// Check if mod_rewrite works properly
$location = 'http://' . (isset($_SERVER['PHP_AUTH_USER']) ? "$_SERVER[PHP_AUTH_USER]:$_SERVER[PHP_AUTH_PW]@" : '') . $_SERVER['HTTP_HOST'] . $baseURL . '/InstallerTest/testRewrite';
@$testrewriting = file_get_contents($location);
if($testrewriting == 'OK') {
return true;
}
// Workaround for 'URL file-access is disabled in the server configuration' using curl
if(function_exists('curl_init')) {
$ch = curl_init($location);
$fp = @fopen("temp", "w");
curl_setopt($ch, CURLOPT_FILE, $fp);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_exec($ch);
curl_close($ch);
fclose($fp);
$testrewriting = file_get_contents('temp');
unlink('temp');
if($testrewriting == 'OK') {
return true;
}
}
return false;
}
}
/**
* Copy a file, or recursively copy a folder and its contents
*
* @author Aidan Lister <aidan@php.net>
* @version 1.0.1
* @link http://aidanlister.com/repos/v/function.copyr.php
* @param string $source Source path
* @param string $dest Destination path
* @return bool Returns TRUE on success, FALSE on failure
*/
function copyr($source, $dest)
{
// Simple copy for a file
if (is_file($source)) {
return copy($source, $dest);
}
// Make destination directory
if (!is_dir($dest)) {
mkdir($dest);
}
// Loop through the folder
$dir = dir($source);
while (false !== $entry = $dir->read()) {
// Skip pointers
if ($entry == '.' || $entry == '..') {
continue;
}
// Deep copy directories
if ($dest !== "$source/$entry") {
copyr("$source/$entry", "$dest/$entry");
}
}
// Clean up
$dir->close();
return true;
}
function rm($fileglob)
{
if (is_string($fileglob)) {
if (is_file($fileglob)) {
return unlink($fileglob);
} else if (is_dir($fileglob)) {
$ok = rm("$fileglob/*");
if (! $ok) {
return false;
}
return rmdir($fileglob);
} else {
$matching = glob($fileglob);
if ($matching === false) {
trigger_error(sprintf('No files match supplied glob %s', $fileglob), E_USER_WARNING);
return false;
}
$rcs = array_map('rm', $matching);
if (in_array(false, $rcs)) {
return false;
}
}
} else if (is_array($fileglob)) {
$rcs = array_map('rm', $fileglob);
if (in_array(false, $rcs)) {
return false;
}
} else {
trigger_error('Param #1 must be filename or glob pattern, or array of filenames or glob patterns', E_USER_ERROR);
return false;
}
return true;
}
?>