/**
* Return instance of a class for reading the specified URL.
* @param $source mixed; URL, filename, or resources
* @return FileWrapper
*/
function &wrapper($source)
{
if (ini_get('allow_url_fopen') && Config::getVar('general', 'allow_url_fopen') && is_string($source)) {
$info = parse_url($source);
$wrapper = new FileWrapper($source, $info);
} elseif (is_resource($source)) {
// $source is an already-opened file descriptor.
import('lib.pkp.classes.file.wrappers.ResourceWrapper');
$wrapper = new ResourceWrapper($source);
} else {
// $source should be a URL.
$info = parse_url($source);
if (isset($info['scheme'])) {
$scheme = $info['scheme'];
} else {
$scheme = null;
}
switch ($scheme) {
case 'http':
import('lib.pkp.classes.file.wrappers.HTTPFileWrapper');
$wrapper = new HTTPFileWrapper($source, $info);
$wrapper->addHeader('User-Agent', 'PKP/2.x');
break;
case 'https':
import('lib.pkp.classes.file.wrappers.HTTPSFileWrapper');
$wrapper = new HTTPSFileWrapper($source, $info);
$wrapper->addHeader('User-Agent', 'PKP/2.x');
break;
case 'ftp':
import('lib.pkp.classes.file.wrappers.FTPFileWrapper');
$wrapper = new FTPFileWrapper($source, $info);
break;
default:
$wrapper = new FileWrapper($source, $info);
}
}
return $wrapper;
}
/**
* Return instance of a class for reading the specified URL.
* @param $url string
* @return FileWrapper
*/
function &wrapper($url)
{
$info = parse_url($url);
if (ini_get('allow_url_fopen') && Config::getVar('general', 'allow_url_fopen')) {
$wrapper = new FileWrapper($url, $info);
} else {
if (isset($info['scheme'])) {
$scheme = $info['scheme'];
} else {
$scheme = null;
}
switch ($scheme) {
case 'http':
import('lib.pkp.classes.file.wrappers.HTTPFileWrapper');
$wrapper = new HTTPFileWrapper($url, $info);
$wrapper->addHeader('User-Agent', 'PKP-OJS/2.x');
break;
case 'https':
import('lib.pkp.classes.file.wrappers.HTTPSFileWrapper');
$wrapper = new HTTPSFileWrapper($url, $info);
$wrapper->addHeader('User-Agent', 'PKP-OJS/2.x');
break;
case 'ftp':
import('lib.pkp.classes.file.wrappers.FTPFileWrapper');
$wrapper = new FTPFileWrapper($url, $info);
break;
default:
$wrapper = new FileWrapper($url, $info);
}
}
return $wrapper;
}
/**
* Return instance of a class for reading the specified URL.
* @param $source mixed; URL, filename, or resources
* @return FileWrapper
*/
function &wrapper($source)
{
if (ini_get('allow_url_fopen') && Config::getVar('general', 'allow_url_fopen') && is_string($source)) {
$info = parse_url($source);
$wrapper = new FileWrapper($source, $info);
} elseif (is_resource($source)) {
// $source is an already-opened file descriptor.
import('lib.pkp.classes.file.wrappers.ResourceWrapper');
$wrapper = new ResourceWrapper($source);
} else {
// $source should be a URL.
$info = parse_url($source);
if (isset($info['scheme'])) {
$scheme = $info['scheme'];
} else {
$scheme = null;
}
$application =& Application::getApplication();
if (!Config::getVar('general', 'installed') || defined('RUNNING_UPGRADE') || defined('PHPUNIT_CURRENT_MOCK_ENV')) {
$userAgent = $application->getName() . '/?';
} else {
$currentVersion =& $application->getCurrentVersion();
$userAgent = $application->getName() . '/' . $currentVersion->getVersionString();
}
switch ($scheme) {
case 'http':
import('lib.pkp.classes.file.wrappers.HTTPFileWrapper');
$wrapper = new HTTPFileWrapper($source, $info);
$wrapper->addHeader('User-Agent', $userAgent);
break;
case 'https':
import('lib.pkp.classes.file.wrappers.HTTPSFileWrapper');
$wrapper = new HTTPSFileWrapper($source, $info);
$wrapper->addHeader('User-Agent', $userAgent);
break;
case 'ftp':
import('lib.pkp.classes.file.wrappers.FTPFileWrapper');
$wrapper = new FTPFileWrapper($source, $info);
break;
default:
$wrapper = new FileWrapper($source, $info);
}
}
return $wrapper;
}