1 files changed, 594 insertions, 0 deletions

diff --git a/vendor/stripe/stripe-php/lib/ApiRequestor.php b/vendor/stripe/stripe-php/lib/ApiRequestor.php
new file mode 100644
index 0000000..98e4dfe
--- /dev/null
+++ b/vendor/stripe/stripe-php/lib/ApiRequestor.php
@@ -0,0 +1,594 @@
+<?php
+
+namespace Stripe;
+
+/**
+ * Class ApiRequestor.
+ */
+class ApiRequestor
+{
+    /**
+     * @var null|string
+     */
+    private $_apiKey;
+
+    /**
+     * @var string
+     */
+    private $_apiBase;
+
+    /**
+     * @var HttpClient\ClientInterface
+     */
+    private static $_httpClient;
+
+    /**
+     * @var RequestTelemetry
+     */
+    private static $requestTelemetry;
+
+    private static $OPTIONS_KEYS = ['api_key', 'idempotency_key', 'stripe_account', 'stripe_version', 'api_base'];
+
+    /**
+     * ApiRequestor constructor.
+     *
+     * @param null|string $apiKey
+     * @param null|string $apiBase
+     */
+    public function __construct($apiKey = null, $apiBase = null)
+    {
+        $this->_apiKey = $apiKey;
+        if (!$apiBase) {
+            $apiBase = Stripe::$apiBase;
+        }
+        $this->_apiBase = $apiBase;
+    }
+
+    /**
+     * Creates a telemetry json blob for use in 'X-Stripe-Client-Telemetry' headers.
+     *
+     * @static
+     *
+     * @param RequestTelemetry $requestTelemetry
+     *
+     * @return string
+     */
+    private static function _telemetryJson($requestTelemetry)
+    {
+        $payload = [
+            'last_request_metrics' => [
+                'request_id' => $requestTelemetry->requestId,
+                'request_duration_ms' => $requestTelemetry->requestDuration,
+            ],
+        ];
+
+        $result = \json_encode($payload);
+        if (false !== $result) {
+            return $result;
+        }
+        Stripe::getLogger()->error('Serializing telemetry payload failed!');
+
+        return '{}';
+    }
+
+    /**
+     * @static
+     *
+     * @param ApiResource|array|bool|mixed $d
+     *
+     * @return ApiResource|array|mixed|string
+     */
+    private static function _encodeObjects($d)
+    {
+        if ($d instanceof ApiResource) {
+            return Util\Util::utf8($d->id);
+        }
+        if (true === $d) {
+            return 'true';
+        }
+        if (false === $d) {
+            return 'false';
+        }
+        if (\is_array($d)) {
+            $res = [];
+            foreach ($d as $k => $v) {
+                $res[$k] = self::_encodeObjects($v);
+            }
+
+            return $res;
+        }
+
+        return Util\Util::utf8($d);
+    }
+
+    /**
+     * @param string     $method
+     * @param string     $url
+     * @param null|array $params
+     * @param null|array $headers
+     *
+     * @throws Exception\ApiErrorException
+     *
+     * @return array tuple containing (ApiReponse, API key)
+     */
+    public function request($method, $url, $params = null, $headers = null)
+    {
+        $params = $params ?: [];
+        $headers = $headers ?: [];
+        list($rbody, $rcode, $rheaders, $myApiKey) =
+        $this->_requestRaw($method, $url, $params, $headers);
+        $json = $this->_interpretResponse($rbody, $rcode, $rheaders);
+        $resp = new ApiResponse($rbody, $rcode, $rheaders, $json);
+
+        return [$resp, $myApiKey];
+    }
+
+    /**
+     * @param string     $method
+     * @param string     $url
+     * @param callable $readBodyChunk
+     * @param null|array $params
+     * @param null|array $headers
+     *
+     * @throws Exception\ApiErrorException
+     *
+     * @return array tuple containing (ApiReponse, API key)
+     */
+    public function requestStream($method, $url, $readBodyChunk, $params = null, $headers = null)
+    {
+        $params = $params ?: [];
+        $headers = $headers ?: [];
+        list($rbody, $rcode, $rheaders, $myApiKey) =
+        $this->_requestRawStreaming($method, $url, $params, $headers, $readBodyChunk);
+        if ($rcode >= 300) {
+            $this->_interpretResponse($rbody, $rcode, $rheaders);
+        }
+    }
+
+    /**
+     * @param string $rbody a JSON string
+     * @param int $rcode
+     * @param array $rheaders
+     * @param array $resp
+     *
+     * @throws Exception\UnexpectedValueException
+     * @throws Exception\ApiErrorException
+     */
+    public function handleErrorResponse($rbody, $rcode, $rheaders, $resp)
+    {
+        if (!\is_array($resp) || !isset($resp['error'])) {
+            $msg = "Invalid response object from API: {$rbody} "
+              . "(HTTP response code was {$rcode})";
+
+            throw new Exception\UnexpectedValueException($msg);
+        }
+
+        $errorData = $resp['error'];
+
+        $error = null;
+        if (\is_string($errorData)) {
+            $error = self::_specificOAuthError($rbody, $rcode, $rheaders, $resp, $errorData);
+        }
+        if (!$error) {
+            $error = self::_specificAPIError($rbody, $rcode, $rheaders, $resp, $errorData);
+        }
+
+        throw $error;
+    }
+
+    /**
+     * @static
+     *
+     * @param string $rbody
+     * @param int    $rcode
+     * @param array  $rheaders
+     * @param array  $resp
+     * @param array  $errorData
+     *
+     * @return Exception\ApiErrorException
+     */
+    private static function _specificAPIError($rbody, $rcode, $rheaders, $resp, $errorData)
+    {
+        $msg = isset($errorData['message']) ? $errorData['message'] : null;
+        $param = isset($errorData['param']) ? $errorData['param'] : null;
+        $code = isset($errorData['code']) ? $errorData['code'] : null;
+        $type = isset($errorData['type']) ? $errorData['type'] : null;
+        $declineCode = isset($errorData['decline_code']) ? $errorData['decline_code'] : null;
+
+        switch ($rcode) {
+            case 400:
+                // 'rate_limit' code is deprecated, but left here for backwards compatibility
+                // for API versions earlier than 2015-09-08
+                if ('rate_limit' === $code) {
+                    return Exception\RateLimitException::factory($msg, $rcode, $rbody, $resp, $rheaders, $code, $param);
+                }
+                if ('idempotency_error' === $type) {
+                    return Exception\IdempotencyException::factory($msg, $rcode, $rbody, $resp, $rheaders, $code);
+                }
+
+                // no break
+            case 404:
+                return Exception\InvalidRequestException::factory($msg, $rcode, $rbody, $resp, $rheaders, $code, $param);
+
+            case 401:
+                return Exception\AuthenticationException::factory($msg, $rcode, $rbody, $resp, $rheaders, $code);
+
+            case 402:
+                return Exception\CardException::factory($msg, $rcode, $rbody, $resp, $rheaders, $code, $declineCode, $param);
+
+            case 403:
+                return Exception\PermissionException::factory($msg, $rcode, $rbody, $resp, $rheaders, $code);
+
+            case 429:
+                return Exception\RateLimitException::factory($msg, $rcode, $rbody, $resp, $rheaders, $code, $param);
+
+            default:
+                return Exception\UnknownApiErrorException::factory($msg, $rcode, $rbody, $resp, $rheaders, $code);
+        }
+    }
+
+    /**
+     * @static
+     *
+     * @param bool|string $rbody
+     * @param int         $rcode
+     * @param array       $rheaders
+     * @param array       $resp
+     * @param string      $errorCode
+     *
+     * @return Exception\OAuth\OAuthErrorException
+     */
+    private static function _specificOAuthError($rbody, $rcode, $rheaders, $resp, $errorCode)
+    {
+        $description = isset($resp['error_description']) ? $resp['error_description'] : $errorCode;
+
+        switch ($errorCode) {
+            case 'invalid_client':
+                return Exception\OAuth\InvalidClientException::factory($description, $rcode, $rbody, $resp, $rheaders, $errorCode);
+
+            case 'invalid_grant':
+                return Exception\OAuth\InvalidGrantException::factory($description, $rcode, $rbody, $resp, $rheaders, $errorCode);
+
+            case 'invalid_request':
+                return Exception\OAuth\InvalidRequestException::factory($description, $rcode, $rbody, $resp, $rheaders, $errorCode);
+
+            case 'invalid_scope':
+                return Exception\OAuth\InvalidScopeException::factory($description, $rcode, $rbody, $resp, $rheaders, $errorCode);
+
+            case 'unsupported_grant_type':
+                return Exception\OAuth\UnsupportedGrantTypeException::factory($description, $rcode, $rbody, $resp, $rheaders, $errorCode);
+
+            case 'unsupported_response_type':
+                return Exception\OAuth\UnsupportedResponseTypeException::factory($description, $rcode, $rbody, $resp, $rheaders, $errorCode);
+
+            default:
+                return Exception\OAuth\UnknownOAuthErrorException::factory($description, $rcode, $rbody, $resp, $rheaders, $errorCode);
+        }
+    }
+
+    /**
+     * @static
+     *
+     * @param null|array $appInfo
+     *
+     * @return null|string
+     */
+    private static function _formatAppInfo($appInfo)
+    {
+        if (null !== $appInfo) {
+            $string = $appInfo['name'];
+            if (null !== $appInfo['version']) {
+                $string .= '/' . $appInfo['version'];
+            }
+            if (null !== $appInfo['url']) {
+                $string .= ' (' . $appInfo['url'] . ')';
+            }
+
+            return $string;
+        }
+
+        return null;
+    }
+
+    /**
+     * @static
+     *
+     * @param string $disabledFunctionsOutput - String value of the 'disable_function' setting, as output by \ini_get('disable_functions')
+     * @param string $functionName - Name of the function we are interesting in seeing whether or not it is disabled
+     * @param mixed $disableFunctionsOutput
+     *
+     * @return bool
+     */
+    private static function _isDisabled($disableFunctionsOutput, $functionName)
+    {
+        $disabledFunctions = \explode(',', $disableFunctionsOutput);
+        foreach ($disabledFunctions as $disabledFunction) {
+            if (\trim($disabledFunction) === $functionName) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * @static
+     *
+     * @param string $apiKey
+     * @param null   $clientInfo
+     *
+     * @return array
+     */
+    private static function _defaultHeaders($apiKey, $clientInfo = null)
+    {
+        $uaString = 'Stripe/v1 PhpBindings/' . Stripe::VERSION;
+
+        $langVersion = \PHP_VERSION;
+        $uname_disabled = static::_isDisabled(\ini_get('disable_functions'), 'php_uname');
+        $uname = $uname_disabled ? '(disabled)' : \php_uname();
+
+        $appInfo = Stripe::getAppInfo();
+        $ua = [
+            'bindings_version' => Stripe::VERSION,
+            'lang' => 'php',
+            'lang_version' => $langVersion,
+            'publisher' => 'stripe',
+            'uname' => $uname,
+        ];
+        if ($clientInfo) {
+            $ua = \array_merge($clientInfo, $ua);
+        }
+        if (null !== $appInfo) {
+            $uaString .= ' ' . self::_formatAppInfo($appInfo);
+            $ua['application'] = $appInfo;
+        }
+
+        return [
+            'X-Stripe-Client-User-Agent' => \json_encode($ua),
+            'User-Agent' => $uaString,
+            'Authorization' => 'Bearer ' . $apiKey,
+        ];
+    }
+
+    private function _prepareRequest($method, $url, $params, $headers)
+    {
+        $myApiKey = $this->_apiKey;
+        if (!$myApiKey) {
+            $myApiKey = Stripe::$apiKey;
+        }
+
+        if (!$myApiKey) {
+            $msg = 'No API key provided.  (HINT: set your API key using '
+              . '"Stripe::setApiKey(<API-KEY>)".  You can generate API keys from '
+              . 'the Stripe web interface.  See https://stripe.com/api for '
+              . 'details, or email support@stripe.com if you have any questions.';
+
+            throw new Exception\AuthenticationException($msg);
+        }
+
+        // Clients can supply arbitrary additional keys to be included in the
+        // X-Stripe-Client-User-Agent header via the optional getUserAgentInfo()
+        // method
+        $clientUAInfo = null;
+        if (\method_exists($this->httpClient(), 'getUserAgentInfo')) {
+            $clientUAInfo = $this->httpClient()->getUserAgentInfo();
+        }
+
+        if ($params && \is_array($params)) {
+            $optionKeysInParams = \array_filter(
+                static::$OPTIONS_KEYS,
+                function ($key) use ($params) {
+                    return \array_key_exists($key, $params);
+                }
+            );
+            if (\count($optionKeysInParams) > 0) {
+                $message = \sprintf('Options found in $params: %s. Options should '
+                  . 'be passed in their own array after $params. (HINT: pass an '
+                  . 'empty array to $params if you do not have any.)', \implode(', ', $optionKeysInParams));
+                \trigger_error($message, \E_USER_WARNING);
+            }
+        }
+
+        $absUrl = $this->_apiBase . $url;
+        $params = self::_encodeObjects($params);
+        $defaultHeaders = $this->_defaultHeaders($myApiKey, $clientUAInfo);
+        if (Stripe::$apiVersion) {
+            $defaultHeaders['Stripe-Version'] = Stripe::$apiVersion;
+        }
+
+        if (Stripe::$accountId) {
+            $defaultHeaders['Stripe-Account'] = Stripe::$accountId;
+        }
+
+        if (Stripe::$enableTelemetry && null !== self::$requestTelemetry) {
+            $defaultHeaders['X-Stripe-Client-Telemetry'] = self::_telemetryJson(self::$requestTelemetry);
+        }
+
+        $hasFile = false;
+        foreach ($params as $k => $v) {
+            if (\is_resource($v)) {
+                $hasFile = true;
+                $params[$k] = self::_processResourceParam($v);
+            } elseif ($v instanceof \CURLFile) {
+                $hasFile = true;
+            }
+        }
+
+        if ($hasFile) {
+            $defaultHeaders['Content-Type'] = 'multipart/form-data';
+        } else {
+            $defaultHeaders['Content-Type'] = 'application/x-www-form-urlencoded';
+        }
+
+        $combinedHeaders = \array_merge($defaultHeaders, $headers);
+        $rawHeaders = [];
+
+        foreach ($combinedHeaders as $header => $value) {
+            $rawHeaders[] = $header . ': ' . $value;
+        }
+
+        return [$absUrl, $rawHeaders, $params, $hasFile, $myApiKey];
+    }
+
+    /**
+     * @param string $method
+     * @param string $url
+     * @param array $params
+     * @param array $headers
+     *
+     * @throws Exception\AuthenticationException
+     * @throws Exception\ApiConnectionException
+     *
+     * @return array
+     */
+    private function _requestRaw($method, $url, $params, $headers)
+    {
+        list($absUrl, $rawHeaders, $params, $hasFile, $myApiKey) = $this->_prepareRequest($method, $url, $params, $headers);
+
+        $requestStartMs = Util\Util::currentTimeMillis();
+
+        list($rbody, $rcode, $rheaders) = $this->httpClient()->request(
+            $method,
+            $absUrl,
+            $rawHeaders,
+            $params,
+            $hasFile
+        );
+
+        if (isset($rheaders['request-id'])
+        && \is_string($rheaders['request-id'])
+        && \strlen($rheaders['request-id']) > 0) {
+            self::$requestTelemetry = new RequestTelemetry(
+                $rheaders['request-id'],
+                Util\Util::currentTimeMillis() - $requestStartMs
+            );
+        }
+
+        return [$rbody, $rcode, $rheaders, $myApiKey];
+    }
+
+    /**
+     * @param string $method
+     * @param string $url
+     * @param array $params
+     * @param array $headers
+     * @param callable $readBodyChunk
+     *
+     * @throws Exception\AuthenticationException
+     * @throws Exception\ApiConnectionException
+     *
+     * @return array
+     */
+    private function _requestRawStreaming($method, $url, $params, $headers, $readBodyChunk)
+    {
+        list($absUrl, $rawHeaders, $params, $hasFile, $myApiKey) = $this->_prepareRequest($method, $url, $params, $headers);
+
+        $requestStartMs = Util\Util::currentTimeMillis();
+
+        list($rbody, $rcode, $rheaders) = $this->httpClient()->requestStream(
+            $method,
+            $absUrl,
+            $rawHeaders,
+            $params,
+            $hasFile,
+            $readBodyChunk
+        );
+
+        if (isset($rheaders['request-id'])
+        && \is_string($rheaders['request-id'])
+        && \strlen($rheaders['request-id']) > 0) {
+            self::$requestTelemetry = new RequestTelemetry(
+                $rheaders['request-id'],
+                Util\Util::currentTimeMillis() - $requestStartMs
+            );
+        }
+
+        return [$rbody, $rcode, $rheaders, $myApiKey];
+    }
+
+    /**
+     * @param resource $resource
+     *
+     * @throws Exception\InvalidArgumentException
+     *
+     * @return \CURLFile|string
+     */
+    private function _processResourceParam($resource)
+    {
+        if ('stream' !== \get_resource_type($resource)) {
+            throw new Exception\InvalidArgumentException(
+                'Attempted to upload a resource that is not a stream'
+            );
+        }
+
+        $metaData = \stream_get_meta_data($resource);
+        if ('plainfile' !== $metaData['wrapper_type']) {
+            throw new Exception\InvalidArgumentException(
+                'Only plainfile resource streams are supported'
+            );
+        }
+
+        // We don't have the filename or mimetype, but the API doesn't care
+        return new \CURLFile($metaData['uri']);
+    }
+
+    /**
+     * @param string $rbody
+     * @param int    $rcode
+     * @param array  $rheaders
+     *
+     * @throws Exception\UnexpectedValueException
+     * @throws Exception\ApiErrorException
+     *
+     * @return array
+     */
+    private function _interpretResponse($rbody, $rcode, $rheaders)
+    {
+        $resp = \json_decode($rbody, true);
+        $jsonError = \json_last_error();
+        if (null === $resp && \JSON_ERROR_NONE !== $jsonError) {
+            $msg = "Invalid response body from API: {$rbody} "
+              . "(HTTP response code was {$rcode}, json_last_error() was {$jsonError})";
+
+            throw new Exception\UnexpectedValueException($msg, $rcode);
+        }
+
+        if ($rcode < 200 || $rcode >= 300) {
+            $this->handleErrorResponse($rbody, $rcode, $rheaders, $resp);
+        }
+
+        return $resp;
+    }
+
+    /**
+     * @static
+     *
+     * @param HttpClient\ClientInterface $client
+     */
+    public static function setHttpClient($client)
+    {
+        self::$_httpClient = $client;
+    }
+
+    /**
+     * @static
+     *
+     * Resets any stateful telemetry data
+     */
+    public static function resetTelemetry()
+    {
+        self::$requestTelemetry = null;
+    }
+
+    /**
+     * @return HttpClient\ClientInterface
+     */
+    private function httpClient()
+    {
+        if (!self::$_httpClient) {
+            self::$_httpClient = HttpClient\CurlClient::instance();
+        }
+
+        return self::$_httpClient;
+    }
+}