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<?php |
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|
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// Exit if accessed directly |
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if ( ! defined( 'ABSPATH' ) ) exit; |
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|
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/** |
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* The main class |
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* |
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* @since 1.0.0 |
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*/ |
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class WpGetApi_Api { |
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|
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public $encryption = ''; // the encryption class |
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|
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public $setup = ''; // store the setup data from the admin page |
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public $api = ''; // store the api's from the admin page |
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|
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public $api_id = ''; // the api_id that we are wanting to get |
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public $endpoint_id = ''; // the endpoint_id that we are wanting to get |
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public $args = ''; // the args |
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public $keys = ''; // the keys we want to retrieve |
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|
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public $base_url = ''; // base url of the API |
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public $method = ''; // the endpoint method GET POST etc |
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public $cache_time = ''; // the time to cache |
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public $endpoint = ''; // the endpoint that we will get |
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public $query_parameters = ''; // the query paramaters appended to url |
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public $header_parameters = ''; // the header paramaters |
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public $body_parameters = ''; // the body paramaters |
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|
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public $response = ''; // the returned response |
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|
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public $final_url = ''; // final URL |
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public $final_headers = ''; // final headers |
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|
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public $results_format = 'json'; // reseults format |
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|
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public $timeout = 10; // the timeout |
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public $sslverify = 1; // the paramaters |
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|
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|
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/** |
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* Main constructor |
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* |
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* @since 1.0.0 |
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* |
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*/ |
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public function __construct( $api_id = '', $endpoint_id = '', $args = array(), $keys = array() ) { |
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|
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$this->setup = get_option( 'wpgetapi_setup' ); |
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$this->api = get_option( 'wpgetapi_' . $api_id ); |
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|
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// do some checks |
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if( empty( $this->setup ) || ! isset( $this->setup['apis'] ) || empty( $this->setup['apis'] ) ) |
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return 'No API found.'; |
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|
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// do some checks |
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if( ! $this->api || ! isset( $this->api['endpoints'] ) || empty( $this->api['endpoints'] )) |
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return 'API not found.'; |
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|
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$this->encryption = new WpGetApi_Encryption(); |
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$this->api_id = $api_id; |
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$this->endpoint_id = $endpoint_id; |
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$this->keys = $keys; |
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$this->args = $args; |
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|
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$this->init(); |
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|
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} |
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|
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|
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/** |
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* Init our api data |
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*/ |
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public function init() { |
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|
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// loop through api's |
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// set base_url |
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foreach ( $this->setup['apis'] as $index => $api_item ) { |
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if( $this->api_id == $api_item['id'] ) { |
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$this->base_url = isset( $api_item['base_url'] ) && ! empty( $api_item['base_url'] ) ? sanitize_text_field( $api_item['base_url'] ) : ''; |
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} |
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} |
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|
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// loop through endpoints |
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foreach ( $this->api['endpoints'] as $index => $endpoint ) { |
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if( $this->endpoint_id == $endpoint['id'] ) { |
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|
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$this->method = isset( $endpoint['method'] ) && ! empty( $endpoint['method'] ) ? sanitize_text_field( $endpoint['method'] ) : 'GET'; |
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$this->cache_time = isset( $endpoint['cache_time'] ) && ! empty( $endpoint['cache_time'] ) ? absint( $endpoint['cache_time'] ) : ''; |
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$this->endpoint = isset( $endpoint['endpoint'] ) && ! empty( $endpoint['endpoint'] ) ? sanitize_text_field( $endpoint['endpoint'] ) : ''; |
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$this->query_parameters = isset( $endpoint['query_parameters'] ) && ! empty( $endpoint['query_parameters'] ) ? $this->do_parameters( $endpoint['query_parameters'] ) : array(); |
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$this->header_parameters = isset( $endpoint['header_parameters'] ) && ! empty( $endpoint['header_parameters'] ) ? $this->do_parameters( $endpoint['header_parameters'] ) : array(); |
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$this->body_parameters = isset( $endpoint['body_parameters'] ) && ! empty( $endpoint['body_parameters'] ) ? $this->do_parameters( $endpoint['body_parameters'] ) : array(); |
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$this->results_format = isset( $endpoint['results_format'] ) ? sanitize_text_field( $endpoint['results_format'] ) : $this->results_format; |
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} |
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} |
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|
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$this->timeout = isset( $this->api['timeout'] ) && ! empty( $this->api['timeout'] ) ? $this->api['timeout'] : $this->timeout; |
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$this->sslverify = isset( $this->api['sslverify'] ) ? absint( $this->api['sslverify'] ) : $this->sslverify; |
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|
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|
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} |
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|
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|
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/** |
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* The main function to output the data |
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* |
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* @param string $field Field to retrieve |
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*/ |
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public function endpoint_output() { |
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return $this->do_the_call(); |
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} |
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|
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|
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/** |
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* Sort out the parameters if they exist |
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*/ |
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public function do_parameters( $parameters ) { |
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|
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$array = array(); |
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$parameters = $this->decrypt($parameters); |
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|
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if( is_array( $parameters ) ) { |
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foreach ( $parameters as $key => $parameter ) { |
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if( ! empty( $parameter['name'] ) && ! empty( $parameter['value'] ) ) |
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$array[ sanitize_text_field( $parameter['name'] ) ] = sanitize_text_field( $parameter['value'] ); |
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} |
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} |
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|
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return $array; |
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|
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} |
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|
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/** |
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* Send the request and return our data |
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*/ |
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public function do_the_call() { |
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|
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// build the URL |
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$this->final_url = apply_filters( 'wpgetapi_final_url', $this->build_url() ); |
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|
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// build the headers |
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$this->final_headers = apply_filters( 'wpgetapi_final_headers', $this->build_headers() ); |
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|
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// POST request |
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if( $this->method == 'POST' ) |
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$this->response = $this->POST_request(); |
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|
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// GET request |
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if( $this->method == 'GET' ) |
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$this->response = $this->GET_request(); |
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|
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// DEBUG |
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$this->debug(); |
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|
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// wp error |
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if( is_wp_error( $this->response ) ) |
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return $this->response->get_error_message(); |
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|
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$data = wp_remote_retrieve_body( $this->response ); |
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|
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// returning in JSON format |
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if( $this->results_format == 'json_string' || $this->results_format == 'json_decoded' ) |
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return $this->output_json( $data ); |
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|
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return apply_filters( 'wpgetapi_raw_data', wpgetapi_sanitize_text_or_array( $data ), $this ); |
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|
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} |
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|
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|
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/** |
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* return JSON data |
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*/ |
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public function output_json( $data ) { |
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|
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// converts all data to arrays, removing objects |
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$data = json_decode( $data, true ); |
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$data = apply_filters( 'wpgetapi_json_response_body', $data, $this->keys ); |
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|
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if( $this->results_format == 'json_string' ) { |
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return json_encode( wpgetapi_sanitize_text_or_array( $data ) ); |
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} |
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if( $this->results_format == 'json_decoded' ) { |
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return wpgetapi_sanitize_text_or_array( $data ); |
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} |
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|
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} |
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|
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|
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/** |
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* build the request url with the ability to add args |
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*/ |
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public function build_url() { |
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// make sure our endpoint starts with a slash |
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if ( substr( $this->endpoint, 0, 1 ) != '/' ) |
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$this->endpoint = '/' . $this->endpoint; |
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return add_query_arg( $this->query_parameters, untrailingslashit( $this->base_url ) . $this->endpoint ); |
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} |
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|
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/** |
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* build the header with the ability to add args |
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*/ |
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public function build_headers() { |
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|
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if( $this->method == 'POST' ) { |
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|
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if( isset( $this->body_parameters ) && $this->body_parameters != '' ) { |
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|
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// checking if the body paramters have a json string |
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foreach ($this->body_parameters as $key => $value ) { |
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|
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if ( substr( $value, 0, 1 ) === '{' && substr( $value, -1 ) === '}' ) { |
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$this->body_parameters[ $key ] = json_decode( $value, true); |
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} |
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|
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} |
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|
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$body = apply_filters( 'wpgetapi_body_parameters', array( |
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'body' => json_encode( $this->body_parameters ), |
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) ); |
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|
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$this->header_parameters = wp_parse_args( $body, $this->header_parameters ); |
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} |
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|
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} |
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|
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// build the header |
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$defaults = apply_filters( 'wpgetapi_default_header_parameters', array( |
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'timeout' => $this->timeout, |
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'sslverify' => $this->sslverify, |
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'redirection' => 5, |
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'blocking' => true, |
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'cookies' => array(), |
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) ); |
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|
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return wp_parse_args( $this->header_parameters, $defaults ); |
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|
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} |
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|
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|
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/** |
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* Do a GET request |
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*/ |
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public function GET_request() { |
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$response = ''; |
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// so we can so something before the remote_get (caching) |
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$response = apply_filters( 'wpgetapi_before_get_request', $response, $this ); |
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if( empty( $response ) ) |
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$response = wp_remote_get( $this->final_url, $this->final_headers ); |
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return $response; |
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} |
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|
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|
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/** |
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* Do a POST request |
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*/ |
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public function POST_request() { |
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$response = wp_remote_post( $this->final_url, $this->final_headers ); |
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return $response; |
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} |
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|
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|
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|
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|
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/** |
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* decrypt our parameters from the DB |
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*/ |
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public function decrypt( $array_or_string ) { |
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|
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if( is_string($array_or_string) ){ |
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$array_or_string = $this->encryption->decrypt($array_or_string); |
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}elseif( is_array($array_or_string) ){ |
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foreach ( $array_or_string as $key => &$value ) { |
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if( $key == 'name' ) |
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continue; |
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if ( is_array( $value ) ) { |
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$value = $this->decrypt($value); |
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} |
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else { |
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$value = $this->encryption->decrypt($value); |
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} |
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} |
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} |
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return $array_or_string; |
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} |
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|
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/** |
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* debug |
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*/ |
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public function debug() { |
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//var_dump($this->args); |
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if( isset( $this->args['debug'] ) && ( $this->args['debug'] === true || $this->args['debug'] === 'true' ) ) { |
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echo '<strong>Final URL</strong>'; |
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wpgetapi_pp( $this->final_url ); |
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echo '<strong>Query Parameters</strong>'; |
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wpgetapi_pp( $this->query_parameters ); |
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echo '<strong>Headers</strong>'; |
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wpgetapi_pp( $this->final_headers ); |
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echo '<strong>Response</strong>'; |
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wpgetapi_pp($this->response); |
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} |
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|
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} |
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|
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|
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} |
