98 lines
2.6 KiB
JavaScript
98 lines
2.6 KiB
JavaScript
/**
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* Thin jQuery.ajax wrapper for WP REST API requests.
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*
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* Currently only applies to requests that do not use the `wp-api.js` Backbone
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* client library, though this may change. Serves several purposes:
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*
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* - Allows overriding these requests as needed by customized WP installations.
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* - Sends the REST API nonce as a request header.
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* - Allows specifying only an endpoint namespace/path instead of a full URL.
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*
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* @since 4.9.0
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* @output wp-includes/js/api-request.js
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*/
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( function( $ ) {
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var wpApiSettings = window.wpApiSettings;
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function apiRequest( options ) {
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options = apiRequest.buildAjaxOptions( options );
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return apiRequest.transport( options );
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}
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apiRequest.buildAjaxOptions = function( options ) {
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var url = options.url;
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var path = options.path;
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var namespaceTrimmed, endpointTrimmed, apiRoot;
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var headers, addNonceHeader, headerName;
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if (
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typeof options.namespace === 'string' &&
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typeof options.endpoint === 'string'
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) {
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namespaceTrimmed = options.namespace.replace( /^\/|\/$/g, '' );
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endpointTrimmed = options.endpoint.replace( /^\//, '' );
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if ( endpointTrimmed ) {
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path = namespaceTrimmed + '/' + endpointTrimmed;
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} else {
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path = namespaceTrimmed;
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}
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}
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if ( typeof path === 'string' ) {
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apiRoot = wpApiSettings.root;
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path = path.replace( /^\//, '' );
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// API root may already include query parameter prefix
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// if site is configured to use plain permalinks.
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if ( 'string' === typeof apiRoot && -1 !== apiRoot.indexOf( '?' ) ) {
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path = path.replace( '?', '&' );
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}
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url = apiRoot + path;
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}
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// If ?_wpnonce=... is present, no need to add a nonce header.
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addNonceHeader = ! ( options.data && options.data._wpnonce );
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headers = options.headers || {};
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// If an 'X-WP-Nonce' header (or any case-insensitive variation
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// thereof) was specified, no need to add a nonce header.
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if ( addNonceHeader ) {
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for ( headerName in headers ) {
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if ( headers.hasOwnProperty( headerName ) ) {
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if ( headerName.toLowerCase() === 'x-wp-nonce' ) {
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addNonceHeader = false;
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break;
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}
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}
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}
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}
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if ( addNonceHeader ) {
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// Do not mutate the original headers object, if any.
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headers = $.extend( {
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'X-WP-Nonce': wpApiSettings.nonce
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}, headers );
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}
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// Do not mutate the original options object.
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options = $.extend( {}, options, {
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headers: headers,
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url: url
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} );
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delete options.path;
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delete options.namespace;
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delete options.endpoint;
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return options;
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};
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apiRequest.transport = $.ajax;
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/** @namespace wp */
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window.wp = window.wp || {};
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window.wp.apiRequest = apiRequest;
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} )( jQuery );
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