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gustavooth
2026-07-23 22:56:30 -03:00
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wp-content/plugins/fluent-crm/app/Services/CrmMigrator/Api/MailChimp.php
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<?php
namespace FluentCrm\App\Services\CrmMigrator\Api;
/**
* Super-simple, minimum abstraction MailChimp API v3 wrapper
* MailChimp API v3: http://developer.mailchimp.com
* This wrapper: https://github.com/drewm/mailchimp-api
*
* @author Drew McLellan <drew.mclellan@gmail.com>
* @version 2.4
*/
class MailChimp
{
private $api_key;
private $api_endpoint = 'https://<dc>.api.mailchimp.com/3.0';
const TIMEOUT = 10;
/* SSL Verification
Read before disabling:
http://snippets.webaware.com.au/howto/stop-turning-off-curlopt_ssl_verifypeer-and-fix-your-php-config/
*/
public $verify_ssl = true;
private $request_successful = false;
private $last_error = '';
private $last_response = array();
private $last_request = array();
/**
* Create a new instance
* @param string $api_key Your MailChimp API key
* @param string $api_endpoint Optional custom API endpoint
* @throws \Exception
*/
public function __construct($api_key, $api_endpoint = null)
{
$this->api_key = $api_key;
if ($api_endpoint === null) {
if (strpos($this->api_key, '-') === false) {
// phpcs:ignore WordPress.Security.EscapeOutput.ExceptionNotEscaped
throw new \Exception("Invalid MailChimp API key `{$api_key}` supplied.");
}
list(, $data_center) = explode('-', $this->api_key);
$this->api_endpoint = str_replace('<dc>', $data_center, $this->api_endpoint);
} else {
$this->api_endpoint = $api_endpoint;
}
$this->last_response = array('headers' => null, 'body' => null);
}
/**
* @return string The url to the API endpoint
*/
public function getApiEndpoint()
{
return $this->api_endpoint;
}
/**
* Convert an email address into a 'subscriber hash' for identifying the subscriber in a method URL
* @param string $email The subscriber's email address
* @return string Hashed version of the input
*/
public function subscriberHash($email)
{
return md5(strtolower($email));
}
/**
* Was the last request successful?
* @return bool True for success, false for failure
*/
public function success()
{
return $this->request_successful;
}
/**
* Get the last error returned by either the network transport, or by the API.
* If something didn't work, this should contain the string describing the problem.
* @return string|false describing the error
*/
public function getLastError()
{
return $this->last_error ?: false;
}
/**
* Get an array containing the HTTP headers and the body of the API response.
* @return array Assoc array with keys 'headers' and 'body'
*/
public function getLastResponse()
{
return $this->last_response;
}
/**
* Get an array containing the HTTP headers and the body of the API request.
* @return array Assoc array
*/
public function getLastRequest()
{
return $this->last_request;
}
/**
* Make an HTTP DELETE request - for deleting data
* @param string $method URL of the API request method
* @param array $args Assoc array of arguments (if any)
* @param int $timeout Timeout limit for request in seconds
* @return array|false Assoc array of API response, decoded from JSON
*/
public function delete($method, $args = array(), $timeout = self::TIMEOUT)
{
return $this->makeRequest('delete', $method, $args, $timeout);
}
/**
* Make an HTTP GET request - for retrieving data
* @param string $method URL of the API request method
* @param array $args Assoc array of arguments (usually your data)
* @param int $timeout Timeout limit for request in seconds
* @return array|false Assoc array of API response, decoded from JSON
*/
public function get($method, $args = array(), $timeout = self::TIMEOUT)
{
return $this->makeRequest('get', $method, $args, $timeout);
}
/**
* Make an HTTP PATCH request - for performing partial updates
* @param string $method URL of the API request method
* @param array $args Assoc array of arguments (usually your data)
* @param int $timeout Timeout limit for request in seconds
* @return array|false Assoc array of API response, decoded from JSON
*/
public function patch($method, $args = array(), $timeout = self::TIMEOUT)
{
return $this->makeRequest('patch', $method, $args, $timeout);
}
/**
* Make an HTTP POST request - for creating and updating items
* @param string $method URL of the API request method
* @param array $args Assoc array of arguments (usually your data)
* @param int $timeout Timeout limit for request in seconds
* @return array|false Assoc array of API response, decoded from JSON
*/
public function post($method, $args = array(), $timeout = self::TIMEOUT)
{
return $this->makeRequest('post', $method, $args, $timeout);
}
/**
* Make an HTTP PUT request - for creating new items
* @param string $method URL of the API request method
* @param array $args Assoc array of arguments (usually your data)
* @param int $timeout Timeout limit for request in seconds
* @return array|false Assoc array of API response, decoded from JSON
* @throws \Exception
*/
public function put($method, $args = array(), $timeout = self::TIMEOUT)
{
return $this->makeRequest('put', $method, $args, $timeout);
}
/**
* Performs the underlying HTTP request. Not very exciting.
* @param string $http_verb The HTTP verb to use: get, post, put, patch, delete
* @param string $method The API method to be called
* @param array $args Assoc array of parameters to be passed
* @param int $timeout
* @return array|false Assoc array of decoded result
* @throws \Exception
*/
private function makeRequest($http_verb, $method, $args = array(), $timeout = self::TIMEOUT)
{
if (!function_exists('curl_init') || !function_exists('curl_setopt')) {
throw new \Exception("cURL support is required, but can't be found.");
}
$url = $this->api_endpoint . '/' . $method;
$response = $this->prepareStateForRequest($http_verb, $method, $url, $timeout);
$httpHeader = array(
'Accept: application/vnd.api+json',
'Content-Type: application/vnd.api+json',
'Authorization: apikey ' . $this->api_key
);
if (isset($args["language"])) {
$httpHeader[] = "Accept-Language: " . $args["language"];
}
// phpcs:disable WordPress.WP.AlternativeFunctions.curl_curl_init
// phpcs:disable WordPress.WP.AlternativeFunctions.curl_curl_setopt
// phpcs:disable WordPress.WP.AlternativeFunctions.curl_curl_exec
// phpcs:disable WordPress.WP.AlternativeFunctions.curl_curl_close
// phpcs:disable WordPress.WP.AlternativeFunctions.curl_curl_getinfo
// phpcs:disable WordPress.WP.AlternativeFunctions.curl_curl_error
// PluginCheck:ignoreFile
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HTTPHEADER, $httpHeader);
curl_setopt($ch, CURLOPT_USERAGENT, 'DrewM/MailChimp-API/3.0 (github.com/drewm/mailchimp-api)');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_VERBOSE, true);
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, $this->verify_ssl);
curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
curl_setopt($ch, CURLOPT_ENCODING, '');
curl_setopt($ch, CURLINFO_HEADER_OUT, true);
switch ($http_verb) {
case 'post':
curl_setopt($ch, CURLOPT_POST, true);
$this->attachRequestPayload($ch, $args);
break;
case 'get':
$query = http_build_query($args, '', '&');
curl_setopt($ch, CURLOPT_URL, $url . '?' . $query);
break;
case 'delete':
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'DELETE');
break;
case 'patch':
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'PATCH');
$this->attachRequestPayload($ch, $args);
break;
case 'put':
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'PUT');
$this->attachRequestPayload($ch, $args);
break;
}
$responseContent = curl_exec($ch);
$response['headers'] = curl_getinfo($ch);
$response = $this->setResponseState($response, $responseContent, $ch);
$formattedResponse = $this->formatResponse($response);
curl_close($ch);
// phpcs:enable WordPress.WP.AlternativeFunctions.curl_curl_init
// phpcs:enable WordPress.WP.AlternativeFunctions.curl_curl_setopt
// phpcs:enable WordPress.WP.AlternativeFunctions.curl_curl_exec
// phpcs:enable WordPress.WP.AlternativeFunctions.curl_curl_close
// phpcs:enable WordPress.WP.AlternativeFunctions.curl_curl_getinfo
// phpcs:enable WordPress.WP.AlternativeFunctions.curl_curl_error
$this->determineSuccess($response, $formattedResponse, $timeout);
return $formattedResponse;
}
/**
* @param string $http_verb
* @param string $method
* @param string $url
* @param integer $timeout
*/
private function prepareStateForRequest($http_verb, $method, $url, $timeout)
{
$this->last_error = '';
$this->request_successful = false;
$this->last_response = array(
'headers' => null, // array of details from curl_getinfo()
'httpHeaders' => null, // array of HTTP headers
'body' => null // content of the response
);
$this->last_request = array(
'method' => $http_verb,
'path' => $method,
'url' => $url,
'body' => '',
'timeout' => $timeout,
);
return $this->last_response;
}
/**
* Get the HTTP headers as an array of header-name => header-value pairs.
*
* The "Link" header is parsed into an associative array based on the
* rel names it contains. The original value is available under
* the "_raw" key.
*
* @param string $headersAsString
* @return array
*/
private function getHeadersAsArray($headersAsString)
{
$headers = array();
foreach (explode("\r\n", $headersAsString) as $i => $line) {
if ($i === 0) { // HTTP code
continue;
}
$line = trim($line);
if (empty($line)) {
continue;
}
list($key, $value) = explode(': ', $line);
if ($key == 'Link') {
$value = array_merge(
array('_raw' => $value),
$this->getLinkHeaderAsArray($value)
);
}
$headers[$key] = $value;
}
return $headers;
}
/**
* Extract all rel => URL pairs from the provided Link header value
*
* Mailchimp only implements the URI reference and relation type from
* RFC 5988, so the value of the header is something like this:
*
* 'https://us13.api.mailchimp.com/schema/3.0/Lists/Instance.json; rel="describedBy", <https://us13.admin.mailchimp.com/lists/members/?id=XXXX>; rel="dashboard"'
*
* @param string $linkHeaderAsString
* @return array
*/
private function getLinkHeaderAsArray($linkHeaderAsString)
{
$urls = array();
if (preg_match_all('/<(.*?)>\s*;\s*rel="(.*?)"\s*/', $linkHeaderAsString, $matches)) {
foreach ($matches[2] as $i => $relName) {
$urls[$relName] = $matches[1][$i];
}
}
return $urls;
}
/**
* Encode the data and attach it to the request
* @param resource $ch cURL session handle, used by reference
* @param array $data Assoc array of data to attach
*/
private function attachRequestPayload(&$ch, $data)
{
$encoded = json_encode($data);
$this->last_request['body'] = $encoded;
// phpcs:ignore WordPress.WP.AlternativeFunctions.curl_curl_setopt
curl_setopt($ch, CURLOPT_POSTFIELDS, $encoded);
}
/**
* Decode the response and format any error messages for debugging
* @param array $response The response from the curl request
* @return array|false The JSON decoded into an array
*/
private function formatResponse($response)
{
$this->last_response = $response;
if (!empty($response['body'])) {
return json_decode($response['body'], true);
}
return false;
}
/**
* Do post-request formatting and setting state from the response
* @param array $response The response from the curl request
* @param string $responseContent The body of the response from the curl request
* * @return array The modified response
*/
private function setResponseState($response, $responseContent, $ch)
{
if ($responseContent === false) {
// phpcs:ignore WordPress.WP.AlternativeFunctions.curl_curl_error
$this->last_error = curl_error($ch);
} else {
$headerSize = $response['headers']['header_size'];
$response['httpHeaders'] = $this->getHeadersAsArray(substr($responseContent, 0, $headerSize));
$response['body'] = substr($responseContent, $headerSize);
if (isset($response['headers']['request_header'])) {
$this->last_request['headers'] = $response['headers']['request_header'];
}
}
return $response;
}
/**
* Check if the response was successful or a failure. If it failed, store the error.
* @param array $response The response from the curl request
* @param array|false $formattedResponse The response body payload from the curl request
* @param int $timeout The timeout supplied to the curl request.
* @return bool If the request was successful
*/
private function determineSuccess($response, $formattedResponse, $timeout)
{
$status = $this->findHTTPStatus($response, $formattedResponse);
if ($status >= 200 && $status <= 299) {
$this->request_successful = true;
return true;
}
if (isset($formattedResponse['detail'])) {
$this->last_error = sprintf('%d: %s', $formattedResponse['status'], $formattedResponse['detail']);
return false;
}
if( $timeout > 0 && $response['headers'] && $response['headers']['total_time'] >= $timeout ) {
$this->last_error = sprintf('Request timed out after %f seconds.', $response['headers']['total_time'] );
return false;
}
$this->last_error = 'Unknown error, call getLastResponse() to find out what happened.';
return false;
}
/**
* Find the HTTP status code from the headers or API response body
* @param array $response The response from the curl request
* @param array|false $formattedResponse The response body payload from the curl request
* @return int HTTP status code
*/
private function findHTTPStatus($response, $formattedResponse)
{
if (!empty($response['headers']) && isset($response['headers']['http_code'])) {
return (int) $response['headers']['http_code'];
}
if (!empty($response['body']) && isset($formattedResponse['status'])) {
return (int) $formattedResponse['status'];
}
return 418;
}
}