/**
* Checks if the passed string is a valid email address.
*
* @param string The email address to check.
* @return boolean True if the email is a valid format, false if not.
*/
function is_email_address($email)
{
// If the email is empty it can't be valid
if (empty($email)) {
return false;
}
// If the email doesnt have exactle 1 @ it isnt valid
if (isc_substr_count($email, '@') != 1) {
return false;
}
$matches = array();
$local_matches = array();
preg_match(':^([^@]+)@([a-zA-Z0-9\\-][a-zA-Z0-9\\-\\.]{0,254})$:', $email, $matches);
if (count($matches) != 3) {
return false;
}
$local = $matches[1];
$domain = $matches[2];
// If the local part has a space but isnt inside quotes its invalid
if (isc_strpos($local, ' ') && (isc_substr($local, 0, 1) != '"' || isc_substr($local, -1, 1) != '"')) {
return false;
}
// If there are not exactly 0 and 2 quotes
if (isc_substr_count($local, '"') != 0 && isc_substr_count($local, '"') != 2) {
return false;
}
// if the local part starts or ends with a dot (.)
if (isc_substr($local, 0, 1) == '.' || isc_substr($local, -1, 1) == '.') {
return false;
}
// If the local string doesnt start and end with quotes
if ((isc_strpos($local, '"') || isc_strpos($local, ' ')) && (isc_substr($local, 0, 1) != '"' || isc_substr($local, -1, 1) != '"')) {
return false;
}
preg_match(':^([\\ \\"\\w\\!\\#\\$\\%\\&\'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~\\.]{1,64})$:', $local, $local_matches);
// Check the domain has at least 1 dot in it
if (isc_strpos($domain, '.') === false) {
return false;
}
if (!empty($local_matches)) {
return true;
} else {
return false;
}
}
/**
* Convert a URL to a location in the file system based on the Interspire Shopping Cart URL.
*
* @param string The URL to convert to a relative path on the file system.
* @param string An error message, passed by reference.
* @return string The file system path to the URL.
*/
public function URLToPath($url, &$err)
{
if (isc_substr($GLOBALS['ShopPath'], -1) == '/') {
$GLOBALS['ShopPath'] = isc_substr($GLOBALS['ShopPath'], 0, -1);
}
$ourURL = @parse_url($GLOBALS['ShopPath']);
$theirURL = @parse_url($url);
if (!is_array($ourURL) && !is_array($theirURL) || $theirURL['scheme'] != 'http') {
$err = GetLang('InvalidImportURL');
return false;
}
if ($ourURL['host'] != $theirURL['host']) {
$err = GetLang('InvalidImportURLDomain');
return false;
}
if (isset($ourURL['path'])) {
$upDirectories = str_repeat("../", isc_substr_count($ourURL['path'], "/"));
} else {
$upDirectories = '';
}
if (isset($theirURL['path'])) {
if (isc_substr($theirURL['path'], 0, 1) == "/") {
$theirURL['path'] = isc_substr($theirURL['path'], 1);
}
} else {
$theirURL['path'] = '';
}
return APP_ROOT . "/../" . $upDirectories . $theirURL['path'];
}
