(VB.NET) WordPress Media Upload

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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 .NET Downloads Chilkat .NET Framework Chilkat for .NET Core

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

Dim http As New Chilkat.Http

' 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 = True

Dim req As New Chilkat.HttpRequest
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"

Dim success As Boolean = req.LoadBodyFromFile("qa_data/jpg/starfish.jpg")
If (success = False) Then
    Debug.WriteLine(req.LastErrorText)
    Exit Sub
End If

req.AddHeader("Content-Disposition","attachment; filename=starfish.jpg")

req.AddHeader("Expect","100-continue")


Dim resp As Chilkat.HttpResponse = http.SynchronousRequest("www.yourserver.com",443,True,req)
If (http.LastMethodSuccess <> True) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Debug.WriteLine("HTTP response status: " & resp.StatusCode)

Dim jsonResponse As New Chilkat.JsonObject
jsonResponse.Load(resp.BodyStr)


jsonResponse.EmitCompact = False
Debug.WriteLine(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



Dim date_gmt As New Chilkat.DtObj
Dim href As String
Dim embeddable As Boolean
Dim name As String
Dim templated As Boolean

Dim id As Integer = jsonResponse.IntOf("id")
Dim date As String = jsonResponse.StringOf("date")
jsonResponse.DtOf("date_gmt",False,date_gmt)
Dim guidRendered As String = jsonResponse.StringOf("guid.rendered")
Dim guidRaw As String = jsonResponse.StringOf("guid.raw")
Dim modified As String = jsonResponse.StringOf("modified")
Dim modified_gmt As String = jsonResponse.StringOf("modified_gmt")
Dim slug As String = jsonResponse.StringOf("slug")
Dim status As String = jsonResponse.StringOf("status")
Dim v_type As String = jsonResponse.StringOf("type")
Dim link As String = jsonResponse.StringOf("link")
Dim titleRaw As String = jsonResponse.StringOf("title.raw")
Dim titleRendered As String = jsonResponse.StringOf("title.rendered")
Dim author As Integer = jsonResponse.IntOf("author")
Dim comment_status As String = jsonResponse.StringOf("comment_status")
Dim ping_status As String = jsonResponse.StringOf("ping_status")
Dim template As String = jsonResponse.StringOf("template")
Dim permalink_template As String = jsonResponse.StringOf("permalink_template")
Dim generated_slug As String = jsonResponse.StringOf("generated_slug")
Dim descriptionRaw As String = jsonResponse.StringOf("description.raw")
Dim descriptionRendered As String = jsonResponse.StringOf("description.rendered")
Dim captionRaw As String = jsonResponse.StringOf("caption.raw")
Dim captionRendered As String = jsonResponse.StringOf("caption.rendered")
Dim alt_text As String = jsonResponse.StringOf("alt_text")
Dim media_type As String = jsonResponse.StringOf("media_type")
Dim mime_type As String = jsonResponse.StringOf("mime_type")
Dim media_detailsWidth As Integer = jsonResponse.IntOf("media_details.width")
Dim media_detailsHeight As Integer = jsonResponse.IntOf("media_details.height")
Dim media_detailsFile As String = jsonResponse.StringOf("media_details.file")
Dim media_detailsSizesWoocommerce_gallery_thumbnailFile As String = jsonResponse.StringOf("media_details.sizes.woocommerce_gallery_thumbnail.file")
Dim media_detailsSizesWoocommerce_gallery_thumbnailWidth As Integer = jsonResponse.IntOf("media_details.sizes.woocommerce_gallery_thumbnail.width")
Dim media_detailsSizesWoocommerce_gallery_thumbnailHeight As Integer = jsonResponse.IntOf("media_details.sizes.woocommerce_gallery_thumbnail.height")
Dim media_detailsSizesWoocommerce_gallery_thumbnailMime_type As String = jsonResponse.StringOf("media_details.sizes.woocommerce_gallery_thumbnail.mime_type")
Dim media_detailsSizesWoocommerce_gallery_thumbnailSource_url As String = jsonResponse.StringOf("media_details.sizes.woocommerce_gallery_thumbnail.source_url")
Dim media_detailsSizesShop_thumbnailFile As String = jsonResponse.StringOf("media_details.sizes.shop_thumbnail.file")
Dim media_detailsSizesShop_thumbnailWidth As Integer = jsonResponse.IntOf("media_details.sizes.shop_thumbnail.width")
Dim media_detailsSizesShop_thumbnailHeight As Integer = jsonResponse.IntOf("media_details.sizes.shop_thumbnail.height")
Dim media_detailsSizesShop_thumbnailMime_type As String = jsonResponse.StringOf("media_details.sizes.shop_thumbnail.mime_type")
Dim media_detailsSizesShop_thumbnailSource_url As String = jsonResponse.StringOf("media_details.sizes.shop_thumbnail.source_url")
Dim media_detailsSizesFullFile As String = jsonResponse.StringOf("media_details.sizes.full.file")
Dim media_detailsSizesFullWidth As Integer = jsonResponse.IntOf("media_details.sizes.full.width")
Dim media_detailsSizesFullHeight As Integer = jsonResponse.IntOf("media_details.sizes.full.height")
Dim media_detailsSizesFullMime_type As String = jsonResponse.StringOf("media_details.sizes.full.mime_type")
Dim media_detailsSizesFullSource_url As String = jsonResponse.StringOf("media_details.sizes.full.source_url")
Dim media_detailsImage_metaAperture As String = jsonResponse.StringOf("media_details.image_meta.aperture")
Dim media_detailsImage_metaCredit As String = jsonResponse.StringOf("media_details.image_meta.credit")
Dim media_detailsImage_metaCamera As String = jsonResponse.StringOf("media_details.image_meta.camera")
Dim media_detailsImage_metaCaption As String = jsonResponse.StringOf("media_details.image_meta.caption")
Dim media_detailsImage_metaCreated_timestamp As String = jsonResponse.StringOf("media_details.image_meta.created_timestamp")
Dim media_detailsImage_metaCopyright As String = jsonResponse.StringOf("media_details.image_meta.copyright")
Dim media_detailsImage_metaFocal_length As String = jsonResponse.StringOf("media_details.image_meta.focal_length")
Dim media_detailsImage_metaIso As String = jsonResponse.StringOf("media_details.image_meta.iso")
Dim media_detailsImage_metaShutter_speed As String = jsonResponse.StringOf("media_details.image_meta.shutter_speed")
Dim media_detailsImage_metaTitle As String = jsonResponse.StringOf("media_details.image_meta.title")
Dim media_detailsImage_metaOrientation As String = jsonResponse.StringOf("media_details.image_meta.orientation")
Dim post As String = jsonResponse.StringOf("post")
Dim source_url As String = jsonResponse.StringOf("source_url")
Dim i As Integer = 0
Dim count_i As Integer = jsonResponse.SizeOfArray("meta")
While i < count_i
    jsonResponse.I = i
    i = i + 1
End While
i = 0
count_i = jsonResponse.SizeOfArray("media_details.image_meta.keywords")
While i < count_i
    jsonResponse.I = i
    i = i + 1
End While
i = 0
count_i = jsonResponse.SizeOfArray("missing_image_sizes")
While i < count_i
    jsonResponse.I = i
    i = i + 1
End While
i = 0
count_i = jsonResponse.SizeOfArray("_links.self")
While i < count_i
    jsonResponse.I = i
    href = jsonResponse.StringOf("_links.self[i].href")
    i = i + 1
End While
i = 0
count_i = jsonResponse.SizeOfArray("_links.collection")
While i < count_i
    jsonResponse.I = i
    href = jsonResponse.StringOf("_links.collection[i].href")
    i = i + 1
End While
i = 0
count_i = jsonResponse.SizeOfArray("_links.about")
While i < count_i
    jsonResponse.I = i
    href = jsonResponse.StringOf("_links.about[i].href")
    i = i + 1
End While
i = 0
count_i = jsonResponse.SizeOfArray("_links.author")
While i < count_i
    jsonResponse.I = i
    embeddable = jsonResponse.BoolOf("_links.author[i].embeddable")
    href = jsonResponse.StringOf("_links.author[i].href")
    i = i + 1
End While
i = 0
count_i = jsonResponse.SizeOfArray("_links.replies")
While i < count_i
    jsonResponse.I = i
    embeddable = jsonResponse.BoolOf("_links.replies[i].embeddable")
    href = jsonResponse.StringOf("_links.replies[i].href")
    i = i + 1
End While
i = 0
count_i = jsonResponse.SizeOfArray("_links.wp:action-unfiltered-html")
While i < count_i
    jsonResponse.I = i
    href = jsonResponse.StringOf("_links.wp:action-unfiltered-html[i].href")
    i = i + 1
End While
i = 0
count_i = jsonResponse.SizeOfArray("_links.wp:action-assign-author")
While i < count_i
    jsonResponse.I = i
    href = jsonResponse.StringOf("_links.wp:action-assign-author[i].href")
    i = i + 1
End While
i = 0
count_i = jsonResponse.SizeOfArray("_links.curies")
While i < count_i
    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 While