/**
* Internal method to get the default replacements for multisite's URLs
*
* @param AngieModelWordpressConfiguration $config The configuration model
*
* @return array Any replacements to add
*/
private function getDefaultReplacementsForMultisite($config)
{
$replacements = array();
$db = $this->getDbo();
if (!$this->isMultisite($db)) {
return $replacements;
}
// These values are stored inside the session, after the setup step
$old_url = $config->get('oldurl');
$new_url = $config->get('homeurl');
// If the URL didn't change do nothing
if ($old_url == $new_url) {
return $replacements;
}
// Get the old and new base domain and base path
$oldUri = new AUri($old_url);
$newUri = new AUri($new_url);
$newDomain = $this->removeSubdomain($newUri->getHost());
$oldDomain = $config->get('domain_current_site', $oldUri->getHost());
$newPath = $newUri->getPath();
$oldPath = $config->get('path_current_site', $oldUri->getPath());
// If the old and new domain are subdomains of the same root domain (e.g. abc.example.com and xyz.example.com),
// or a subdomain and a root domain (e.g. example.com and abc.example.com) we MUST NOT do domain replacement
$replaceSubdomains = $this->removeSubdomain($newDomain) != $this->removeSubdomain($oldDomain);
// If the old and new paths are the same we MUST NOT do path replacement
$replacePaths = $oldPath != $newPath;
// Get the multisites information
$multiSites = $this->getMultisiteMap($db);
// Get other information
$mainBlogId = $config->get('blog_id_current_site', 1);
$useSubdomains = $config->get('subdomain_install', 0);
// Do I have to replace the domain?
if ($oldDomain != $newDomain) {
$replacements[$oldDomain] = $newUri->getHost();
}
// Maybe I have to do... nothing?
if ($useSubdomains && !$replaceSubdomains) {
return $replacements;
}
if (!$useSubdomains) {
if (!$replacePaths) {
return $replacements;
}
}
// Loop for each multisite
foreach ($multiSites as $blogId => $info) {
// Skip the first site, it is the same as the main site
if ($blogId == $mainBlogId) {
continue;
}
// Multisites using subdomains?
if ($useSubdomains) {
// Extract the subdomain
$subdomain = substr($info['domain'], 0, -strlen($oldDomain));
// Add a replacement for this domain
$replacements[$info['domain']] = $subdomain . $newDomain;
continue;
}
// Multisites using subdirectories. Let's check if I have to extract the old path.
$path = strpos($info['path'], $oldPath) === 0 ? substr($info['path'], strlen($oldPath)) : $info['path'];
// Construct the new path and add it to the list of replacements
$path = trim($path, '/');
$newMSPath = $newPath . '/' . $path;
$newMSPath = trim($newMSPath, '/');
$replacements[$info['path']] = '/' . $newMSPath;
}
// Important! We have to change subdomains BEFORE the main domain. And for this, we need to reverse the
// replacements table. If you're wondering why: old domain example.com, new domain www.example.net. This
// makes blog1.example.com => blog1.www.example.net instead of blog1.example.net (note the extra www). Oops!
$replacements = array_reverse($replacements);
return $replacements;
}
/**
* Creates the string that will be put inside the new configuration file.
* This is a separate function so we can show the content if we're unable to write to the filesystem
* and ask the user to manually do that.
*/
public function getFileContents($file = null)
{
if (!$file) {
$file = APATH_ROOT . '/wp-config.php';
}
$new_config = '';
$old_config = file_get_contents($file);
// Check if the file is UTF encoded with BOM. We have to remove it or we will get a white page
// Sadly several editors are setting the flag automatically; since they are not visible, the user has
// no easy method to remove them
$bom = pack("CCC", 0xef, 0xbb, 0xbf);
if (strncmp($old_config, $bom, 3) === 0) {
// Let's strip out any BOM char
$old_config = substr($old_config, 3);
}
$lines = explode("\n", $old_config);
foreach ($lines as $line) {
$line = trim($line);
$matches = array();
// Skip commented lines. However it will get the line between a multiline comment, but that's not a problem
if (strpos($line, '#') === 0 || strpos($line, '//') === 0 || strpos($line, '/*') === 0) {
// simply do nothing, we will add the line later
} elseif (strpos($line, 'define(') !== false) {
preg_match('#define\\(["\'](.*?)["\']\\,#', $line, $matches);
if (isset($matches[1])) {
$key = $matches[1];
switch (strtoupper($key)) {
case 'DB_NAME':
$value = $this->get('dbname');
$line = "define('" . $key . "', '" . $value . "');";
break;
case 'DB_USER':
$value = $this->get('dbuser');
$line = "define('" . $key . "', '" . $value . "');";
break;
case 'DB_PASSWORD':
$value = $this->get('dbpass');
$value = addcslashes($value, "'\\");
$line = "define('" . $key . "', '" . $value . "');";
break;
case 'DB_HOST':
$value = $this->get('dbhost');
$line = "define('" . $key . "', '" . $value . "');";
break;
case 'DB_CHARSET':
$value = $this->get('dbcharset');
$line = "define('" . $key . "', '" . $value . "');";
break;
case 'DB_COLLATE':
$value = $this->get('dbcollate', 'utf8_general_ci');
$line = "define('" . $key . "', '" . $value . "');";
break;
case 'AUTH_KEY':
$value = $this->get('auth_key');
$line = "define('" . $key . "', '" . $value . "');";
break;
case 'SECURE_AUTH_KEY':
$value = $this->get('secure_auth_key');
$line = "define('" . $key . "', '" . $value . "');";
break;
case 'LOGGED_IN_KEY':
$value = $this->get('logged_in_key');
$line = "define('" . $key . "', '" . $value . "');";
break;
case 'NONCE_KEY':
$value = $this->get('nonce_key');
$line = "define('" . $key . "', '" . $value . "');";
break;
case 'AUTH_SALT':
$value = $this->get('auth_salt');
$line = "define('" . $key . "', '" . $value . "');";
break;
case 'SECURE_AUTH_SALT':
$value = $this->get('secure_auth_salt');
$line = "define('" . $key . "', '" . $value . "');";
break;
case 'LOGGED_IN_SALT':
$value = $this->get('logged_in_salt');
$line = "define('" . $key . "', '" . $value . "');";
break;
case 'NONCE_SALT':
$value = $this->get('nonce_salt');
$line = "define('" . $key . "', '" . $value . "');";
break;
// Multisite variable - Main site's domain
// Multisite variable - Main site's domain
case 'DOMAIN_CURRENT_SITE':
$new_url = $this->get('homeurl');
$newUri = new AUri($new_url);
$newDomain = $newUri->getHost();
$line = "define('" . $key . "', '" . $newDomain . "');";
break;
// Multisite variable - Main site's path
// Multisite variable - Main site's path
case 'PATH_CURRENT_SITE':
$new_url = $this->get('homeurl');
$newUri = new AUri($new_url);
$newPath = $newUri->getPath();
$newPath = trim($newPath, '/');
$newPath = '/' . $newPath . '/';
$line = "define('" . $key . "', '" . $newPath . "');";
break;
// I think users shouldn't change the WPLANG define, since they will have
// to add several files, it's not automatic
// I think users shouldn't change the WPLANG define, since they will have
// to add several files, it's not automatic
default:
// Do nothing, it's a variable we're not interested in
break;
}
}
} elseif (strpos($line, '$table_prefix') === 0) {
$line = '$table_prefix = ' . "'" . $this->get('dbprefix') . "';";
}
$new_config .= $line . "\n";
}
return $new_config;
}
