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Current File : /nas/content/live/attorneyexperi/wp-content/plugins/imagify/inc/classes/class-imagify.php
<?php
use Imagify\Traits\InstanceGetterTrait;
/**
* Imagify.io API for WordPress.
*/
class Imagify {
use InstanceGetterTrait;
/**
* The Imagify API endpoint.
*
* @var string
*/
const API_ENDPOINT = IMAGIFY_APP_API_URL;
/**
* The Imagify API key.
*
* @var string
*/
private $api_key = '';
/**
* Random key used to store the API key in the request args.
*
* @var string
*/
private $secure_key = '';
/**
* HTTP headers. Each http call must fill it (even if it's with an empty array).
*
* @var array
*/
private $headers = [];
/**
* All (default) HTTP headers. They must not be modified once the class is instanciated, or it will affect any following HTTP calls.
*
* @var array
*/
private $all_headers = [];
/**
* Filesystem object.
*
* @var object Imagify_Filesystem
* @since 1.7.1
* @author Grégory Viguier
*/
protected $filesystem;
/**
* Use data fetched from the API.
*
* @var \stdClass|\WP_Error
* @since 1.9.9
* @author Grégory Viguier
*/
protected static $user;
/**
* The constructor.
*/
protected function __construct() {
if ( ! class_exists( 'Imagify_Filesystem' ) ) {
// Dirty patch used when updating from 1.7.
include_once IMAGIFY_PATH . 'inc/classes/class-imagify-filesystem.php';
}
$this->api_key = get_imagify_option( 'api_key' );
$this->secure_key = $this->generate_secure_key();
$this->filesystem = Imagify_Filesystem::get_instance();
$this->all_headers['Accept'] = 'Accept: application/json';
$this->all_headers['Content-Type'] = 'Content-Type: application/json';
$this->all_headers['Authorization'] = 'Authorization: token ' . $this->api_key;
}
/**
* Get your Imagify account infos.
*
* @since 1.6.5
*
* @return object
*/
public function get_user() {
global $wp_current_filter;
if ( isset( static::$user ) ) {
return static::$user;
}
if ( in_array( 'upgrader_post_install', (array) $wp_current_filter, true ) ) {
// Dirty patch used when updating from 1.7.
static::$user = new WP_Error();
return static::$user;
}
$this->headers = $this->all_headers;
static::$user = $this->http_call( 'users/me/', [ 'timeout' => 10 ] );
if ( is_wp_error( static::$user ) ) {
return static::$user;
}
$maybe_missing = [
'account_type' => 'free',
'quota' => 0,
'extra_quota' => 0,
'extra_quota_consumed' => 0,
'consumed_current_month_quota' => 0,
];
foreach ( $maybe_missing as $name => $value ) {
if ( ! isset( static::$user->$name ) ) {
static::$user->$name = $value;
}
}
return static::$user;
}
/**
* Create a user on your Imagify account.
*
* @since 1.6.5
*
* @param array $data All user data.
* @return object
*/
public function create_user( $data ) {
$this->headers = [];
$data = array_merge(
$data,
[
'from_plugin' => true,
'partner' => imagify_get_partner(),
]
);
if ( ! $data['partner'] ) {
unset( $data['partner'] );
}
$response = $this->http_call(
'users/',
[
'method' => 'POST',
'post_data' => $data,
]
);
if ( ! is_wp_error( $response ) ) {
imagify_delete_partner();
}
return $response;
}
/**
* Update an existing user on your Imagify account.
*
* @since 1.6.5
*
* @param string $data All user data.
* @return object
*/
public function update_user( $data ) {
$this->headers = $this->all_headers;
return $this->http_call(
'users/me/',
[
'method' => 'PUT',
'post_data' => $data,
'timeout' => 10,
]
);
}
/**
* Check your Imagify API key status.
*
* @since 1.6.5
*
* @param string $data The license key.
* @return object
*/
public function get_status( $data ) {
static $status = [];
if ( isset( $status[ $data ] ) ) {
return $status[ $data ];
}
$this->headers = [
'Authorization' => 'Authorization: token ' . $data,
];
$uri = 'status/';
$partner = imagify_get_partner();
if ( $partner ) {
$uri .= '?partner=' . $partner;
}
$status[ $data ] = $this->http_call( $uri, [ 'timeout' => 10 ] );
return $status[ $data ];
}
/**
* Get the Imagify API version.
*
* @since 1.6.5
*
* @return object
*/
public function get_api_version() {
static $api_version;
if ( ! isset( $api_version ) ) {
$this->headers = [
'Authorization' => $this->all_headers['Authorization'],
];
$api_version = $this->http_call( 'version/', [ 'timeout' => 5 ] );
}
return $api_version;
}
/**
* Get Public Info.
*
* @since 1.6.5
*
* @return object
*/
public function get_public_info() {
$this->headers = $this->all_headers;
return $this->http_call( 'public-info' );
}
/**
* Optimize an image from its binary content.
*
* @since 1.6.5
* @since 1.6.7 $data['image'] can contain the file path (prefered) or the result of `curl_file_create()`.
*
* @param string $data All options.
* @return object
*/
public function upload_image( $data ) {
$this->headers = [
'Authorization' => $this->all_headers['Authorization'],
];
return $this->http_call(
'upload/',
[
'method' => 'POST',
'post_data' => $data,
]
);
}
/**
* Optimize an image from its URL.
*
* @since 1.6.5
*
* @param string $data All options. Details here: --.
* @return object
*/
public function fetch_image( $data ) {
$this->headers = $this->all_headers;
return $this->http_call(
'fetch/',
[
'method' => 'POST',
'post_data' => wp_json_encode( $data ),
]
);
}
/**
* Get prices for plans.
*
* @since 1.6.5
*
* @return object
*/
public function get_plans_prices() {
$this->headers = $this->all_headers;
return $this->http_call( 'pricing/plan/' );
}
/**
* Get all prices (Plans included).
*
* @since 1.6.5
*
* @return object
*/
public function get_all_prices() {
$this->headers = $this->all_headers;
return $this->http_call( 'pricing/all/' );
}
/**
* Get coupon code data.
*
* @since 1.6.5
*
* @param string $coupon A coupon code.
* @return object
*/
public function check_coupon_code( $coupon ) {
$this->headers = $this->all_headers;
return $this->http_call( 'coupons/' . $coupon . '/' );
}
/**
* Get information about current discount.
*
* @since 1.6.5
*
* @return object
*/
public function check_discount() {
$this->headers = $this->all_headers;
return $this->http_call( 'pricing/discount/' );
}
/**
* Make an HTTP call using curl.
*
* @since 1.6.5
* @since 1.6.7 Use `wp_remote_request()` when possible (when we don't need to send an image).
*
* @param string $url The URL to call.
* @param array $args The request args.
* @return object
*/
private function http_call( $url, $args = [] ) {
$args = array_merge(
[
'method' => 'GET',
'post_data' => null,
'timeout' => 45,
],
$args
);
$endpoint = trim( $url, '/' );
/**
* Filter the timeout value for any request to the API.
*
* @since 1.6.7
* @author Grégory Viguier
*
* @param int $timeout Timeout value in seconds.
* @param string $endpoint The targetted endpoint. It's basically URI without heading nor trailing slash.
*/
$args['timeout'] = apply_filters( 'imagify_api_http_request_timeout', $args['timeout'], $endpoint );
// We need to send an image: we must use cURL directly.
if ( isset( $args['post_data']['image'] ) ) {
return $this->curl_http_call( $url, $args );
}
$args = array_merge(
[
'headers' => [],
'body' => $args['post_data'],
'sslverify' => apply_filters( 'https_ssl_verify', false ),
],
$args
);
unset( $args['post_data'] );
if ( $this->headers ) {
foreach ( $this->headers as $name => $value ) {
$value = explode( ':', $value, 2 );
$value = end( $value );
$args['headers'][ $name ] = trim( $value );
}
}
if ( ! empty( $args['headers']['Authorization'] ) ) {
// Make sure our API has not overwritten by some other plugin.
$args[ $this->secure_key ] = preg_replace( '/^token /', '', $args['headers']['Authorization'] );
if ( ! has_filter( 'http_request_args', [ $this, 'force_api_key_header' ] ) ) {
add_filter( 'http_request_args', [ $this, 'force_api_key_header' ], IMAGIFY_INT_MAX + 25, 2 );
}
}
$response = wp_remote_request( self::API_ENDPOINT . $url, $args );
if ( is_wp_error( $response ) ) {
return $response;
}
$http_code = wp_remote_retrieve_response_code( $response );
$response = wp_remote_retrieve_body( $response );
return $this->handle_response( $response, $http_code );
}
/**
* Make an HTTP call using curl.
*
* @since 1.6.7
* @throws Exception When curl_init() fails.
* @author Grégory Viguier
*
* @param string $url The URL to call.
* @param array $args The request arguments.
* @return object
*/
private function curl_http_call( $url, $args = [] ) {
// Check if curl is available.
if ( ! Imagify_Requirements::supports_curl() ) {
return new WP_Error( 'curl', 'cURL isn\'t installed on the server.' );
}
/**
* Allows to mock Imagify calls to the API.
*
* @param stdClass|null $response Response from the call.
* @param string $url URL from the call.
* @param array $args Arguments from the call.
*/
$response = apply_filters( 'pre_imagify_request', null, $url, $args );
if ( $response ) {
return $response;
}
try {
$url = self::API_ENDPOINT . $url;
$ch = curl_init();
if ( false === $ch ) {
throw new Exception( 'Could not initialize a new cURL handle' );
}
if ( isset( $args['post_data']['image'] ) && is_string( $args['post_data']['image'] ) && $this->filesystem->exists( $args['post_data']['image'] ) ) {
$args['post_data']['image'] = curl_file_create( $args['post_data']['image'] );
}
// Handle proxies.
$proxy = new WP_HTTP_Proxy();
if ( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) ) {
curl_setopt( $ch, CURLOPT_PROXYTYPE, CURLPROXY_HTTP );
curl_setopt( $ch, CURLOPT_PROXY, $proxy->host() );
curl_setopt( $ch, CURLOPT_PROXYPORT, $proxy->port() );
if ( $proxy->use_authentication() ) {
curl_setopt( $ch, CURLOPT_PROXYAUTH, CURLAUTH_ANY );
curl_setopt( $ch, CURLOPT_PROXYUSERPWD, $proxy->authentication() );
}
}
if ( 'POST' === $args['method'] ) {
curl_setopt( $ch, CURLOPT_POST, true );
curl_setopt( $ch, CURLOPT_POSTFIELDS, $args['post_data'] );
} elseif ( 'PUT' === $args['method'] ) {
curl_setopt( $ch, CURLOPT_CUSTOMREQUEST, 'PUT' );
curl_setopt( $ch, CURLOPT_POSTFIELDS, $args['post_data'] );
}
if ( defined( 'CURLOPT_PROTOCOLS' ) ) {
curl_setopt( $ch, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS );
}
$user_agent = apply_filters( 'http_headers_useragent', 'WordPress/' . get_bloginfo( 'version' ) . '; ' . get_bloginfo( 'url' ), $url );
curl_setopt( $ch, CURLOPT_URL, $url );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
curl_setopt( $ch, CURLOPT_HEADER, false );
curl_setopt( $ch, CURLOPT_HTTPHEADER, $this->headers );
curl_setopt( $ch, CURLOPT_TIMEOUT, $args['timeout'] );
curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT, $args['timeout'] );
curl_setopt( $ch, CURLOPT_USERAGENT, $user_agent );
@curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, false );
curl_setopt( $ch, CURLOPT_SSL_VERIFYHOST, false );
curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, false );
/**
* Tell which http version to use with cURL during image optimization.
*
* @since 1.8.4.1
* @since 1.9.9 Default value is `false`.
* @author Grégory Viguier
*
* @param $use_version_1_0 bool True to use version 1.0. False for 1.1. Default is false.
*/
if ( apply_filters( 'imagify_curl_http_version_1_0', false ) ) {
curl_setopt( $ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0 );
} else {
curl_setopt( $ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1 );
}
$response = curl_exec( $ch );
$error = curl_error( $ch );
$http_code = (int) curl_getinfo( $ch, CURLINFO_HTTP_CODE );
if ( is_resource( $ch ) ) {
curl_close( $ch );
} else {
unset( $ch );
}
} catch ( Exception $e ) {
$args['headers'] = $this->headers;
/**
* Fires after a failed curl request.
*
* @since 1.6.9
* @author Grégory Viguier
*
* @param string $url The requested URL.
* @param array $args The request arguments.
* @param object $e The raised Exception.
*/
do_action( 'imagify_curl_http_response', $url, $args, $e );
return new WP_Error( 'curl', 'An error occurred (' . $e->getMessage() . ')' );
} // End try().
$args['headers'] = $this->headers;
/**
* Fires after a successful curl request.
*
* @since 1.6.9
* @author Grégory Viguier
*
* @param string $url The requested URL.
* @param array $args The request arguments.
* @param string $response The request response.
* @param int $http_code The request HTTP code.
* @param string $error An error message.
*/
do_action( 'imagify_curl_http_response', $url, $args, $response, $http_code, $error );
return $this->handle_response( $response, $http_code, $error );
}
/**
* Handle the request response and maybe trigger an error.
*
* @since 1.6.7
* @author Grégory Viguier
*
* @param string $response The request response.
* @param int $http_code The request HTTP code.
* @param string $error An error message.
* @return object
*/
private function handle_response( $response, $http_code, $error = '' ) {
$response = json_decode( $response );
if ( 401 === $http_code ) {
// Reset the API validity cache if the API key is not valid.
Imagify_Requirements::reset_cache( 'api_key_valid' );
}
if ( 200 !== $http_code && ! empty( $response->code ) ) {
if ( ! empty( $response->detail ) ) {
return new WP_Error( 'error ' . $http_code, $response->detail );
}
if ( ! empty( $response->image ) ) {
$error = (array) $response->image;
$error = reset( $error );
return new WP_Error( 'error ' . $http_code, $error );
}
}
if ( 413 === $http_code ) {
return new WP_Error( 'error ' . $http_code, 'Your image is too big to be uploaded on our server.' );
}
if ( 200 !== $http_code ) {
$error = trim( (string) $error );
$error = '' !== $error ? ' - ' . htmlentities( $error ) : '';
return new WP_Error( 'error ' . $http_code, "Our server returned an error ({$http_code}{$error})" );
}
if ( ! is_object( $response ) ) {
return new WP_Error( 'invalid response', 'Our server returned an invalid response.', $response );
}
return $response;
}
/**
* Generate a random key.
* Similar to wp_generate_password() but without filter.
*
* @since 1.8.4
* @see wp_generate_password()
* @author Grégory Viguier
*
* @return string
*/
private function generate_secure_key() {
$length = wp_rand( 12, 20 );
$chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()-_ []{}<>~`+=,.;:/?|';
$password = '';
for ( $i = 0; $i < $length; $i++ ) {
$password .= substr( $chars, wp_rand( 0, strlen( $chars ) - 1 ), 1 );
}
return $password;
}
/**
* Filter the arguments used in an HTTP request, to make sure our API key has not been overwritten by some other plugin.
*
* @since 1.8.4
* @author Grégory Viguier
*
* @param array $args An array of HTTP request arguments.
* @param string $url The request URL.
* @return array
*/
public function force_api_key_header( $args, $url ) {
if ( strpos( $url, self::API_ENDPOINT ) === false ) {
return $args;
}
if ( ! empty( $args['headers']['Authorization'] ) || ! empty( $args[ $this->secure_key ] ) ) {
if ( ! empty( $args[ $this->secure_key ] ) ) {
$args['headers']['Authorization'] = 'token ' . $args[ $this->secure_key ];
} else {
$args['headers']['Authorization'] = 'token ' . $this->api_key;
}
}
return $args;
}
}
