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<?php
declare (strict_types=1);
namespace WPForms\Vendor\Square;
use WPForms\Vendor\Core\Utils\CoreHelper;
use WPForms\Vendor\Core\Utils\JsonHelper;
use InvalidArgumentException;
use stdClass;
/**
* API utility class.
*/
class ApiHelper
{
/**
* @var JsonHelper
*/
private static $jsonHelper;
public static function getJsonHelper() : JsonHelper
{
if (self::$jsonHelper == null) {
self::$jsonHelper = new JsonHelper([], [], null, 'WPForms\\Vendor\\Square\\Models');
}
return self::$jsonHelper;
}
/**
* Serialize any given mixed value.
*
* @param mixed $value Any value to be serialized
*
* @return string|null serialized value
*/
public static function serialize($value) : ?string
{
return CoreHelper::serialize($value);
}
/**
* Deserialize a Json string.
*
* @param string $json A valid Json string
*
* @return mixed Decoded Json
*/
public static function deserialize(string $json)
{
return CoreHelper::deserialize($json);
}
/**
* Merge headers
*
* Header names are compared using case-insensitive comparison. This method
* preserves the original header name. If the $newHeaders overrides an existing
* header, then the new header name (with its casing) is used.
*/
public static function mergeHeaders(array $headers, array $newHeaders) : array
{
$headerKeys = [];
// Create a map of lower-cased-header-name to original-header-names
foreach ($headers as $headerName => $val) {
$headerKeys[\strtolower($headerName)] = $headerName;
}
// Override headers with new values
foreach ($newHeaders as $headerName => $headerValue) {
$lowerCasedName = \strtolower($headerName);
if (isset($headerKeys[$lowerCasedName])) {
unset($headers[$headerKeys[$lowerCasedName]]);
}
$headerKeys[$lowerCasedName] = $headerName;
$headers[$headerName] = $headerValue;
}
return $headers;
}
/**
* Assert if headers array is valid.
*
* @throws InvalidArgumentException
*/
public static function assertHeaders(array $headers) : void
{
foreach ($headers as $header => $value) {
// Validate header name (must be string, must use allowed chars)
// Ref: https://tools.ietf.org/html/rfc7230#section-3.2
if (!\is_string($header)) {
throw new InvalidArgumentException(\sprintf('Header name must be a string but %s provided.', \is_object($header) ? \get_class($header) : \gettype($header)));
}
if (\preg_match('/^[a-zA-Z0-9\'`#$%&*+.^_|~!-]+$/', $header) !== 1) {
throw new InvalidArgumentException(\sprintf('"%s" is not a valid header name.', $header));
}
// Validate value (must be scalar)
if (!\is_scalar($value) || null === $value) {
throw new InvalidArgumentException(\sprintf('Header value must be scalar but %s provided for header "%s".', \is_object($value) ? \get_class($value) : \gettype($value), $header));
}
}
}
/**
* Decodes a valid json string into an array to send in Api calls.
*
* @param mixed $json Must be null or array or a valid string json to be translated into a php array.
* @param string $name Name of the argument whose value is being validated in $json parameter.
* @param bool $associative Should check for associative? Default: true.
*
* @return array|null Returns an array made up of key-value pairs in the provided json string
* or throws exception, if the provided json is not valid.
* @throws InvalidArgumentException
*/
public static function decodeJson($json, string $name, bool $associative = \true) : ?array
{
if (\is_null($json) || \is_array($json) && (!$associative || CoreHelper::isAssociative($json))) {
return $json;
}
if ($json instanceof stdClass) {
$json = \json_encode($json);
}
if (\is_string($json)) {
$decoded = \json_decode($json, \true);
if (\is_array($decoded) && (!$associative || CoreHelper::isAssociative($decoded))) {
return $decoded;
}
}
throw new InvalidArgumentException("Invalid json value for argument: '{$name}'");
}
/**
* Decodes a valid jsonArray string into an array to send in Api calls.
*
* @param mixed $json Must be null or array or a valid string jsonArray to be translated into a php array.
* @param string $name Name of the argument whose value is being validated in $json parameter.
* @param bool $asMap Should decode as map? Default: false.
*
* @return array|null Returns an array made up of key-value pairs in the provided jsonArray string
* or throws exception, if the provided json is not valid.
* @throws InvalidArgumentException
*/
public static function decodeJsonArray($json, string $name, bool $asMap = \false) : ?array
{
$decoded = self::decodeJson($json, $name, \false);
if (\is_null($decoded)) {
return null;
}
$isAssociative = CoreHelper::isAssociative($decoded);
if ($asMap && $isAssociative || !$asMap && !$isAssociative) {
return \array_map(function ($v) use($name) {
return self::decodeJson($v, $name);
}, $decoded);
}
$type = $asMap ? 'map' : 'array';
throw new InvalidArgumentException("Invalid json {$type} value for argument: '{$name}'");
}
}