2015-06-18 11:43:48 -07:00

451 lines
14 KiB
PHP

<?php
/**
* Copyright 2015 SmartBear Software
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace Swagger\Client;
class ApiClient {
public static $PATCH = "PATCH";
public static $POST = "POST";
public static $GET = "GET";
public static $PUT = "PUT";
public static $DELETE = "DELETE";
/** @var string[] Array of default headers where the key is the header name and the value is the header value */
private $default_header = array();
/** @var string timeout (second) of the HTTP request, by default set to 0, no timeout */
protected $curl_timeout = 0;
/** @var string user agent of the HTTP request, set to "PHP-Swagger" by default */
protected $user_agent = "PHP-Swagger";
/**
* @param string $host Base url of the API server (optional)
*/
function __construct($host = null) {
if ($host === null) {
$this->host = 'http://petstore.swagger.io/v2';
} else {
$this->host = $host;
}
}
/**
* add default header
*
* @param string $header_name header name (e.g. Token)
* @param string $header_value header value (e.g. 1z8wp3)
*/
public function addDefaultHeader($header_name, $header_value) {
if (!is_string($header_name))
throw new \InvalidArgumentException('Header name must be a string.');
$this->default_header[$header_name] = $header_value;
}
/**
* get the default header
*
* @return array default header
*/
public function getDefaultHeader() {
return $this->default_header;
}
/**
* delete the default header based on header name
*
* @param string $header_name header name (e.g. Token)
*/
public function deleteDefaultHeader($header_name) {
unset($this->default_header[$header_name]);
}
/**
* set the user agent of the api client
*
* @param string $user_agent the user agent of the api client
*/
public function setUserAgent($user_agent) {
if (!is_string($user_agent))
throw new \InvalidArgumentException('User-agent must be a string.');
$this->user_agent= $user_agent;
}
/**
* get the user agent of the api client
*
* @return string user agent
*/
public function getUserAgent($user_agent) {
return $this->user_agent;
}
/**
* set the HTTP timeout value
*
* @param integer $seconds Number of seconds before timing out [set to 0 for no timeout]
*/
public function setTimeout($seconds) {
if (!is_numeric($seconds) || $seconds < 0)
throw new \InvalidArgumentException('Timeout value must be numeric and a non-negative number.');
$this->curl_timeout = $seconds;
}
/**
* get the HTTP timeout value
*
* @return string HTTP timeout value
*/
public function getTimeout() {
return $this->curl_timeout;
}
/**
* Get API key (with prefix if set)
* @param string key name
* @return string API key with the prefix
*/
public function getApiKeyWithPrefix($apiKey) {
if (isset(Configuration::$apiKeyPrefix[$apiKey])) {
return Configuration::$apiKeyPrefix[$apiKey]." ".Configuration::$apiKey[$apiKey];
} else if (isset(Configuration::$apiKey[$apiKey])) {
return Configuration::$apiKey[$apiKey];
} else {
return;
}
}
/**
* update hearder and query param based on authentication setting
*
* @param array $headerParams header parameters (by ref)
* @param array $queryParams query parameters (by ref)
* @param array $authSettings array of authentication scheme (e.g ['api_key'])
*/
public function updateParamsForAuth(&$headerParams, &$queryParams, $authSettings)
{
if (count($authSettings) == 0)
return;
// one endpoint can have more than 1 auth settings
foreach($authSettings as $auth) {
// determine which one to use
switch($auth) {
case 'api_key':
$headerParams['api_key'] = $this->getApiKeyWithPrefix('api_key');
break;
case 'petstore_auth':
//TODO support oauth
break;
default:
//TODO show warning about security definition not found
}
}
}
/**
* @param string $resourcePath path to method endpoint
* @param string $method method to call
* @param array $queryParams parameters to be place in query URL
* @param array $postData parameters to be placed in POST body
* @param array $headerParams parameters to be place in request header
* @return mixed
*/
public function callApi($resourcePath, $method, $queryParams, $postData,
$headerParams, $authSettings) {
$headers = array();
# determine authentication setting
$this->updateParamsForAuth($headerParams, $queryParams, $authSettings);
# construct the http header
$headerParams = array_merge((array)$this->default_header, (array)$headerParams);
foreach ($headerParams as $key => $val) {
$headers[] = "$key: $val";
}
// form data
if ($postData and in_array('Content-Type: application/x-www-form-urlencoded', $headers)) {
$postData = http_build_query($postData);
}
else if ((is_object($postData) or is_array($postData)) and !in_array('Content-Type: multipart/form-data', $headers)) { // json model
$postData = json_encode($this->sanitizeForSerialization($postData));
}
$url = $this->host . $resourcePath;
$curl = curl_init();
// set timeout, if needed
if ($this->curl_timeout != 0) {
curl_setopt($curl, CURLOPT_TIMEOUT, $this->curl_timeout);
}
// return the result on success, rather than just TRUE
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
if (! empty($queryParams)) {
$url = ($url . '?' . http_build_query($queryParams));
}
if ($method == self::$POST) {
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, $postData);
} else if ($method == self::$PATCH) {
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "PATCH");
curl_setopt($curl, CURLOPT_POSTFIELDS, $postData);
} else if ($method == self::$PUT) {
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "PUT");
curl_setopt($curl, CURLOPT_POSTFIELDS, $postData);
} else if ($method == self::$DELETE) {
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "DELETE");
curl_setopt($curl, CURLOPT_POSTFIELDS, $postData);
} else if ($method != self::$GET) {
throw new ApiException('Method ' . $method . ' is not recognized.');
}
curl_setopt($curl, CURLOPT_URL, $url);
// Set user agent
curl_setopt($curl, CURLOPT_USERAGENT, $this->user_agent);
// debugging for curl
if (Configuration::$debug) {
error_log("[DEBUG] HTTP Request body ~BEGIN~\n".print_r($postData, true)."\n~END~\n", 3, Configuration::$debug_file);
curl_setopt($curl, CURLOPT_VERBOSE, 1);
curl_setopt($curl, CURLOPT_STDERR, fopen(Configuration::$debug_file, 'a'));
} else {
curl_setopt($curl, CURLOPT_VERBOSE, 0);
}
// obtain the HTTP response headers
curl_setopt($curl, CURLOPT_HEADER, 1);
// Make the request
$response = curl_exec($curl);
$http_header_size = curl_getinfo($curl, CURLINFO_HEADER_SIZE);
$http_header = substr($response, 0, $http_header_size);
$http_body = substr($response, $http_header_size);
$response_info = curl_getinfo($curl);
// debug HTTP response body
if (Configuration::$debug) {
error_log("[DEBUG] HTTP Response body ~BEGIN~\n".print_r($http_body, true)."\n~END~\n", 3, Configuration::$debug_file);
}
// Handle the response
if ($response_info['http_code'] == 0) {
throw new ApiException("API call to $url timed out: ".serialize($response_info), 0, null, null);
} else if ($response_info['http_code'] >= 200 && $response_info['http_code'] <= 299 ) {
$data = json_decode($http_body);
if (json_last_error() > 0) { // if response is a string
$data = $http_body;
}
} else {
throw new ApiException("[".$response_info['http_code']."] Error connecting to the API ($url)",
$response_info['http_code'], $http_header, $http_body);
}
return $data;
}
/**
* Build a JSON POST object
*/
protected function sanitizeForSerialization($data)
{
if (is_scalar($data) || null === $data) {
$sanitized = $data;
} else if ($data instanceof \DateTime) {
$sanitized = $data->format(\DateTime::ISO8601);
} else if (is_array($data)) {
foreach ($data as $property => $value) {
$data[$property] = $this->sanitizeForSerialization($value);
}
$sanitized = $data;
} else if (is_object($data)) {
$values = array();
foreach (array_keys($data::$swaggerTypes) as $property) {
if ($data->$property !== null) {
$values[$data::$attributeMap[$property]] = $this->sanitizeForSerialization($data->$property);
}
}
$sanitized = $values;
} else {
$sanitized = (string)$data;
}
return $sanitized;
}
/**
* Take value and turn it into a string suitable for inclusion in
* the path, by url-encoding.
* @param string $value a string which will be part of the path
* @return string the serialized object
*/
public function toPathValue($value) {
return rawurlencode($this->toString($value));
}
/**
* Take value and turn it into a string suitable for inclusion in
* the query, by imploding comma-separated if it's an object.
* If it's a string, pass through unchanged. It will be url-encoded
* later.
* @param object $object an object to be serialized to a string
* @return string the serialized object
*/
public function toQueryValue($object) {
if (is_array($object)) {
return implode(',', $object);
} else {
return $this->toString($object);
}
}
/**
* Take value and turn it into a string suitable for inclusion in
* the header. If it's a string, pass through unchanged
* If it's a datetime object, format it in ISO8601
* @param string $value a string which will be part of the header
* @return string the header string
*/
public function toHeaderValue($value) {
return $this->toString($value);
}
/**
* Take value and turn it into a string suitable for inclusion in
* the http body (form parameter). If it's a string, pass through unchanged
* If it's a datetime object, format it in ISO8601
* @param string $value the value of the form parameter
* @return string the form string
*/
public function toFormValue($value) {
return $this->toString($value);
}
/**
* Take value and turn it into a string suitable for inclusion in
* the parameter. If it's a string, pass through unchanged
* If it's a datetime object, format it in ISO8601
* @param string $value the value of the parameter
* @return string the header string
*/
public function toString($value) {
if ($value instanceof \DateTime) { // datetime in ISO8601 format
return $value->format(\DateTime::ISO8601);
}
else {
return $value;
}
}
/**
* Deserialize a JSON string into an object
*
* @param object $object object or primitive to be deserialized
* @param string $class class name is passed as a string
* @return object an instance of $class
*/
public function deserialize($data, $class)
{
if (null === $data) {
$deserialized = null;
} elseif (substr($class, 0, 4) == 'map[') { # for associative array e.g. map[string,int]
$inner = substr($class, 4, -1);
$deserialized = array();
if(strrpos($inner, ",") !== false) {
$subClass_array = explode(',', $inner, 2);
$subClass = $subClass_array[1];
foreach ($data as $key => $value) {
$deserialized[$key] = $this->deserialize($value, $subClass);
}
}
} elseif (strcasecmp(substr($class, -2),'[]') == 0) {
$subClass = substr($class, 0, -2);
$values = array();
foreach ($data as $key => $value) {
$values[] = $this->deserialize($value, $subClass);
}
$deserialized = $values;
} elseif ($class == 'DateTime') {
$deserialized = new \DateTime($data);
} elseif (in_array($class, array('string', 'int', 'float', 'double', 'bool', 'object'))) {
settype($data, $class);
$deserialized = $data;
} else {
$instance = new $class();
foreach ($instance::$swaggerTypes as $property => $type) {
$original_property_name = $instance::$attributeMap[$property];
if (isset($original_property_name) && isset($data->$original_property_name)) {
$instance->$property = $this->deserialize($data->$original_property_name, $type);
}
}
$deserialized = $instance;
}
return $deserialized;
}
/*
* return the header 'Accept' based on an array of Accept provided
*
* @param array[string] $accept Array of header
* @return string Accept (e.g. application/json)
*/
public function selectHeaderAccept($accept) {
if (count($accept) === 0 or (count($accept) === 1 and $accept[0] === '')) {
return NULL;
} elseif (preg_grep("/application\/json/i", $accept)) {
return 'application/json';
} else {
return implode(',', $accept);
}
}
/*
* return the content type based on an array of content-type provided
*
* @param array[string] content_type_array Array fo content-type
* @return string Content-Type (e.g. application/json)
*/
public function selectHeaderContentType($content_type) {
if (count($content_type) === 0 or (count($content_type) === 1 and $content_type[0] === '')) {
return 'application/json';
} elseif (preg_grep("/application\/json/i", $content_type)) {
return 'application/json';
} else {
return implode(',', $content_type);
}
}
}