(Delphi ActiveX) WordPress Media Upload

See more WordPress Examples

Demonstrates how to upload a media file to WordPress.

For more information, see https://developer.wordpress.org/rest-api/reference/media/#create-a-media-item

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: TChilkatHttp;
req: TChilkatHttpRequest;
success: Integer;
resp: IChilkatHttpResponse;
jsonResponse: TChilkatJsonObject;
date_gmt: TDtObj;
href: WideString;
embeddable: Integer;
name: WideString;
templated: Integer;
id: Integer;
date: WideString;
guidRendered: WideString;
guidRaw: WideString;
modified: WideString;
modified_gmt: WideString;
slug: WideString;
status: WideString;
v_type: WideString;
link: WideString;
titleRaw: WideString;
titleRendered: WideString;
author: Integer;
comment_status: WideString;
ping_status: WideString;
template: WideString;
permalink_template: WideString;
generated_slug: WideString;
descriptionRaw: WideString;
descriptionRendered: WideString;
captionRaw: WideString;
captionRendered: WideString;
alt_text: WideString;
media_type: WideString;
mime_type: WideString;
media_detailsWidth: Integer;
media_detailsHeight: Integer;
media_detailsFile: WideString;
media_detailsSizesWoocommerce_gallery_thumbnailFile: WideString;
media_detailsSizesWoocommerce_gallery_thumbnailWidth: Integer;
media_detailsSizesWoocommerce_gallery_thumbnailHeight: Integer;
media_detailsSizesWoocommerce_gallery_thumbnailMime_type: WideString;
media_detailsSizesWoocommerce_gallery_thumbnailSource_url: WideString;
media_detailsSizesShop_thumbnailFile: WideString;
media_detailsSizesShop_thumbnailWidth: Integer;
media_detailsSizesShop_thumbnailHeight: Integer;
media_detailsSizesShop_thumbnailMime_type: WideString;
media_detailsSizesShop_thumbnailSource_url: WideString;
media_detailsSizesFullFile: WideString;
media_detailsSizesFullWidth: Integer;
media_detailsSizesFullHeight: Integer;
media_detailsSizesFullMime_type: WideString;
media_detailsSizesFullSource_url: WideString;
media_detailsImage_metaAperture: WideString;
media_detailsImage_metaCredit: WideString;
media_detailsImage_metaCamera: WideString;
media_detailsImage_metaCaption: WideString;
media_detailsImage_metaCreated_timestamp: WideString;
media_detailsImage_metaCopyright: WideString;
media_detailsImage_metaFocal_length: WideString;
media_detailsImage_metaIso: WideString;
media_detailsImage_metaShutter_speed: WideString;
media_detailsImage_metaTitle: WideString;
media_detailsImage_metaOrientation: WideString;
post: WideString;
source_url: WideString;
i: Integer;
count_i: Integer;

begin
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

http := TChilkatHttp.Create(Self);

// This example will use WordPress username / Application password authentication using the "Applications Password" plugin.
// See https://wordpress.org/plugins/application-passwords/

// Use your WordPress login, such as "admin", not the application name.
http.Login := 'wp_username';
// Use the application password, such as "Nths RwVH eDJ4 weNZ orMN jabq"
http.Password := 'app_password';
http.BasicAuth := 1;

req := TChilkatHttpRequest.Create(Self);
req.HttpVerb := 'POST';

// Use the Content-Type that corresponds to the type of file you are uploading.

// WordPress supports uploading the following file types:

// Images
// 
//     .jpg  (image/jpg)
//     .jpeg  (image/jpeg)
//     .png  (image/png)
//     .gif  (image/gif)
//     .ico (image/x-icon)
// 
// Documents
// 
//     .pdf (applicatin/pdf)
//     .doc, .docx (application/msword)
//     .ppt, .pptx, .pps, .ppsx (application/mspowerpoint)
//     .odt 
//     .xls, .xlsx (application/msexcel)
//     .psd (??? image/vnd.adobe.photoshop,application/x-photoshop,application/photoshop,application/psd,image/psd)
// 
// Audio
// 
//     .mp3 (audio/mpeg)
//     .m4a
//     .ogg
//     .wav (audio/wav)
// 
// Video
// 
//     .mp4, .m4v (video/mp4)
//     .mov (video/quicktime)
//     .wmv (video/x-ms-wmv)
//     .avi (video/avi)
//     .mpg (video/mpeg)
//     .ogv 
//     .3gp 
//     .3g2 

req.ContentType := 'image/jpg';
req.Path := '/wp-json/wp/v2/media';

success := req.LoadBodyFromFile('qa_data/jpg/starfish.jpg');
if (success = 0) then
  begin
    Memo1.Lines.Add(req.LastErrorText);
    Exit;
  end;
req.AddHeader('Content-Disposition','attachment; filename=starfish.jpg');

req.AddHeader('Expect','100-continue');

resp := http.SynchronousRequest('www.yourserver.com',443,1,req.ControlInterface);
if (http.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add('HTTP response status: ' + IntToStr(resp.StatusCode));

jsonResponse := TChilkatJsonObject.Create(Self);
jsonResponse.Load(resp.BodyStr);

jsonResponse.EmitCompact := 0;
Memo1.Lines.Add(jsonResponse.Emit());

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "id": 1915,
//   "date": "2021-01-19T18:25:01",
//   "date_gmt": "2021-01-20T01:25:01",
//   "guid": {
//     "rendered": "http:\/\/cknotes.com\/wp-content\/uploads\/2021\/01\/starfish.jpg",
//     "raw": "http:\/\/cknotes.com\/wp-content\/uploads\/2021\/01\/starfish.jpg"
//   },
//   "modified": "2021-01-19T18:25:01",
//   "modified_gmt": "2021-01-20T01:25:01",
//   "slug": "starfish",
//   "status": "inherit",
//   "type": "attachment",
//   "link": "https:\/\/cknotes.com\/starfish\/",
//   "title": {
//     "raw": "starfish",
//     "rendered": "starfish"
//   },
//   "author": 1,
//   "comment_status": "closed",
//   "ping_status": "closed",
//   "template": "",
//   "meta": [
//   ],
//   "permalink_template": "https:\/\/cknotes.com\/?attachment_id=1915",
//   "generated_slug": "starfish",
//   "description": {
//     "raw": "",
//     "rendered": "<p class=\"attachment\"><a href='https:\/\/cknotes.com\/wp-content\/uploads\/2021\/01\/starfish.jpg'><img width=\"120\" height=\"120\" src=\"https:\/\/cknotes.com\/wp-content\/uploads\/2021\/01\/starfish.jpg\" class=\"attachment-medium size-medium\" alt=\"\" loading=\"lazy\" srcset=\"http:\/\/cknotes.com\/wp-content\/uploads\/2021\/01\/starfish.jpg 120w, http:\/\/cknotes.com\/wp-content\/uploads\/2021\/01\/starfish-100x100.jpg 100w\" sizes=\"(max-width: 120px) 100vw, 120px\" \/><\/a><\/p>\n"
//   },
//   "caption": {
//     "raw": "",
//     "rendered": ""
//   },
//   "alt_text": "",
//   "media_type": "image",
//   "mime_type": "image\/jpeg",
//   "media_details": {
//     "width": 120,
//     "height": 120,
//     "file": "2021\/01\/starfish.jpg",
//     "sizes": {
//       "woocommerce_gallery_thumbnail": {
//         "file": "starfish-100x100.jpg",
//         "width": 100,
//         "height": 100,
//         "mime_type": "image\/jpeg",
//         "source_url": "https:\/\/cknotes.com\/wp-content\/uploads\/2021\/01\/starfish-100x100.jpg"
//       },
//       "shop_thumbnail": {
//         "file": "starfish-100x100.jpg",
//         "width": 100,
//         "height": 100,
//         "mime_type": "image\/jpeg",
//         "source_url": "https:\/\/cknotes.com\/wp-content\/uploads\/2021\/01\/starfish-100x100.jpg"
//       },
//       "full": {
//         "file": "starfish.jpg",
//         "width": 120,
//         "height": 120,
//         "mime_type": "image\/jpeg",
//         "source_url": "https:\/\/cknotes.com\/wp-content\/uploads\/2021\/01\/starfish.jpg"
//       }
//     },
//     "image_meta": {
//       "aperture": "0",
//       "credit": "",
//       "camera": "",
//       "caption": "",
//       "created_timestamp": "0",
//       "copyright": "",
//       "focal_length": "0",
//       "iso": "0",
//       "shutter_speed": "0",
//       "title": "",
//       "orientation": "0",
//       "keywords": [
//       ]
//     }
//   },
//   "post": null,
//   "source_url": "https:\/\/cknotes.com\/wp-content\/uploads\/2021\/01\/starfish.jpg",
//   "missing_image_sizes": [
//   ],
//   "_links": {
//     "self": [
//       {
//         "href": "https:\/\/cknotes.com\/wp-json\/wp\/v2\/media\/1915"
//       }
//     ],
//     "collection": [
//       {
//         "href": "https:\/\/cknotes.com\/wp-json\/wp\/v2\/media"
//       }
//     ],
//     "about": [
//       {
//         "href": "https:\/\/cknotes.com\/wp-json\/wp\/v2\/types\/attachment"
//       }
//     ],
//     "author": [
//       {
//         "embeddable": true,
//         "href": "https:\/\/cknotes.com\/wp-json\/wp\/v2\/users\/1"
//       }
//     ],
//     "replies": [
//       {
//         "embeddable": true,
//         "href": "https:\/\/cknotes.com\/wp-json\/wp\/v2\/comments?post=1915"
//       }
//     ],
//     "wp:action-unfiltered-html": [
//       {
//         "href": "https:\/\/cknotes.com\/wp-json\/wp\/v2\/media\/1915"
//       }
//     ],
//     "wp:action-assign-author": [
//       {
//         "href": "https:\/\/cknotes.com\/wp-json\/wp\/v2\/media\/1915"
//       }
//     ],
//     "curies": [
//       {
//         "name": "wp",
//         "href": "https:\/\/api.w.org\/{rel}",
//         "templated": true
//       }
//     ]
//   }
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

date_gmt := TDtObj.Create(Self);

id := jsonResponse.IntOf('id');
date := jsonResponse.StringOf('date');
jsonResponse.DtOf('date_gmt',0,date_gmt.ControlInterface);
guidRendered := jsonResponse.StringOf('guid.rendered');
guidRaw := jsonResponse.StringOf('guid.raw');
modified := jsonResponse.StringOf('modified');
modified_gmt := jsonResponse.StringOf('modified_gmt');
slug := jsonResponse.StringOf('slug');
status := jsonResponse.StringOf('status');
v_type := jsonResponse.StringOf('type');
link := jsonResponse.StringOf('link');
titleRaw := jsonResponse.StringOf('title.raw');
titleRendered := jsonResponse.StringOf('title.rendered');
author := jsonResponse.IntOf('author');
comment_status := jsonResponse.StringOf('comment_status');
ping_status := jsonResponse.StringOf('ping_status');
template := jsonResponse.StringOf('template');
permalink_template := jsonResponse.StringOf('permalink_template');
generated_slug := jsonResponse.StringOf('generated_slug');
descriptionRaw := jsonResponse.StringOf('description.raw');
descriptionRendered := jsonResponse.StringOf('description.rendered');
captionRaw := jsonResponse.StringOf('caption.raw');
captionRendered := jsonResponse.StringOf('caption.rendered');
alt_text := jsonResponse.StringOf('alt_text');
media_type := jsonResponse.StringOf('media_type');
mime_type := jsonResponse.StringOf('mime_type');
media_detailsWidth := jsonResponse.IntOf('media_details.width');
media_detailsHeight := jsonResponse.IntOf('media_details.height');
media_detailsFile := jsonResponse.StringOf('media_details.file');
media_detailsSizesWoocommerce_gallery_thumbnailFile := jsonResponse.StringOf('media_details.sizes.woocommerce_gallery_thumbnail.file');
media_detailsSizesWoocommerce_gallery_thumbnailWidth := jsonResponse.IntOf('media_details.sizes.woocommerce_gallery_thumbnail.width');
media_detailsSizesWoocommerce_gallery_thumbnailHeight := jsonResponse.IntOf('media_details.sizes.woocommerce_gallery_thumbnail.height');
media_detailsSizesWoocommerce_gallery_thumbnailMime_type := jsonResponse.StringOf('media_details.sizes.woocommerce_gallery_thumbnail.mime_type');
media_detailsSizesWoocommerce_gallery_thumbnailSource_url := jsonResponse.StringOf('media_details.sizes.woocommerce_gallery_thumbnail.source_url');
media_detailsSizesShop_thumbnailFile := jsonResponse.StringOf('media_details.sizes.shop_thumbnail.file');
media_detailsSizesShop_thumbnailWidth := jsonResponse.IntOf('media_details.sizes.shop_thumbnail.width');
media_detailsSizesShop_thumbnailHeight := jsonResponse.IntOf('media_details.sizes.shop_thumbnail.height');
media_detailsSizesShop_thumbnailMime_type := jsonResponse.StringOf('media_details.sizes.shop_thumbnail.mime_type');
media_detailsSizesShop_thumbnailSource_url := jsonResponse.StringOf('media_details.sizes.shop_thumbnail.source_url');
media_detailsSizesFullFile := jsonResponse.StringOf('media_details.sizes.full.file');
media_detailsSizesFullWidth := jsonResponse.IntOf('media_details.sizes.full.width');
media_detailsSizesFullHeight := jsonResponse.IntOf('media_details.sizes.full.height');
media_detailsSizesFullMime_type := jsonResponse.StringOf('media_details.sizes.full.mime_type');
media_detailsSizesFullSource_url := jsonResponse.StringOf('media_details.sizes.full.source_url');
media_detailsImage_metaAperture := jsonResponse.StringOf('media_details.image_meta.aperture');
media_detailsImage_metaCredit := jsonResponse.StringOf('media_details.image_meta.credit');
media_detailsImage_metaCamera := jsonResponse.StringOf('media_details.image_meta.camera');
media_detailsImage_metaCaption := jsonResponse.StringOf('media_details.image_meta.caption');
media_detailsImage_metaCreated_timestamp := jsonResponse.StringOf('media_details.image_meta.created_timestamp');
media_detailsImage_metaCopyright := jsonResponse.StringOf('media_details.image_meta.copyright');
media_detailsImage_metaFocal_length := jsonResponse.StringOf('media_details.image_meta.focal_length');
media_detailsImage_metaIso := jsonResponse.StringOf('media_details.image_meta.iso');
media_detailsImage_metaShutter_speed := jsonResponse.StringOf('media_details.image_meta.shutter_speed');
media_detailsImage_metaTitle := jsonResponse.StringOf('media_details.image_meta.title');
media_detailsImage_metaOrientation := jsonResponse.StringOf('media_details.image_meta.orientation');
post := jsonResponse.StringOf('post');
source_url := jsonResponse.StringOf('source_url');
i := 0;
count_i := jsonResponse.SizeOfArray('meta');
while i < count_i do
  begin
    jsonResponse.I := i;
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('media_details.image_meta.keywords');
while i < count_i do
  begin
    jsonResponse.I := i;
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('missing_image_sizes');
while i < count_i do
  begin
    jsonResponse.I := i;
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('_links.self');
while i < count_i do
  begin
    jsonResponse.I := i;
    href := jsonResponse.StringOf('_links.self[i].href');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('_links.collection');
while i < count_i do
  begin
    jsonResponse.I := i;
    href := jsonResponse.StringOf('_links.collection[i].href');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('_links.about');
while i < count_i do
  begin
    jsonResponse.I := i;
    href := jsonResponse.StringOf('_links.about[i].href');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('_links.author');
while i < count_i do
  begin
    jsonResponse.I := i;
    embeddable := jsonResponse.BoolOf('_links.author[i].embeddable');
    href := jsonResponse.StringOf('_links.author[i].href');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('_links.replies');
while i < count_i do
  begin
    jsonResponse.I := i;
    embeddable := jsonResponse.BoolOf('_links.replies[i].embeddable');
    href := jsonResponse.StringOf('_links.replies[i].href');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('_links.wp:action-unfiltered-html');
while i < count_i do
  begin
    jsonResponse.I := i;
    href := jsonResponse.StringOf('_links.wp:action-unfiltered-html[i].href');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('_links.wp:action-assign-author');
while i < count_i do
  begin
    jsonResponse.I := i;
    href := jsonResponse.StringOf('_links.wp:action-assign-author[i].href');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('_links.curies');
while i < count_i do
  begin
    jsonResponse.I := i;
    name := jsonResponse.StringOf('_links.curies[i].name');
    href := jsonResponse.StringOf('_links.curies[i].href');
    templated := jsonResponse.BoolOf('_links.curies[i].templated');
    i := i + 1;
  end;
end;