(C++) 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

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#include <CkHttp.h>
#include <CkHttpRequest.h>
#include <CkHttpResponse.h>
#include <CkJsonObject.h>
#include <CkDtObj.h>

void ChilkatSample(void)
    {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttp 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.put_Login("wp_username");
    // Use the application password, such as "Nths RwVH eDJ4 weNZ orMN jabq"
    http.put_Password("app_password");
    http.put_BasicAuth(true);

    CkHttpRequest req;
    req.put_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.put_ContentType("image/jpg");
    req.put_Path("/wp-json/wp/v2/media");

    bool success = req.LoadBodyFromFile("qa_data/jpg/starfish.jpg");
    if (success == false) {
        std::cout << req.lastErrorText() << "\r\n";
        return;
    }

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

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

    CkHttpResponse *resp = http.SynchronousRequest("www.yourserver.com",443,true,req);
    if (http.get_LastMethodSuccess() != true) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    std::cout << "HTTP response status: " << resp->get_StatusCode() << "\r\n";

    CkJsonObject jsonResponse;
    jsonResponse.Load(resp->bodyStr());
    delete resp;

    jsonResponse.put_EmitCompact(false);
    std::cout << jsonResponse.emit() << "\r\n";

    // 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

    // Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
    // See this example explaining how this memory should be used: const char * functions.

    CkDtObj date_gmt;
    const char *href = 0;
    bool embeddable;
    const char *name = 0;
    bool templated;

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

    i = 0;
    count_i = jsonResponse.SizeOfArray("media_details.image_meta.keywords");
    while (i < count_i) {
        jsonResponse.put_I(i);
        i = i + 1;
    }

    i = 0;
    count_i = jsonResponse.SizeOfArray("missing_image_sizes");
    while (i < count_i) {
        jsonResponse.put_I(i);
        i = i + 1;
    }

    i = 0;
    count_i = jsonResponse.SizeOfArray("_links.self");
    while (i < count_i) {
        jsonResponse.put_I(i);
        href = jsonResponse.stringOf("_links.self[i].href");
        i = i + 1;
    }

    i = 0;
    count_i = jsonResponse.SizeOfArray("_links.collection");
    while (i < count_i) {
        jsonResponse.put_I(i);
        href = jsonResponse.stringOf("_links.collection[i].href");
        i = i + 1;
    }

    i = 0;
    count_i = jsonResponse.SizeOfArray("_links.about");
    while (i < count_i) {
        jsonResponse.put_I(i);
        href = jsonResponse.stringOf("_links.about[i].href");
        i = i + 1;
    }

    i = 0;
    count_i = jsonResponse.SizeOfArray("_links.author");
    while (i < count_i) {
        jsonResponse.put_I(i);
        embeddable = jsonResponse.BoolOf("_links.author[i].embeddable");
        href = jsonResponse.stringOf("_links.author[i].href");
        i = i + 1;
    }

    i = 0;
    count_i = jsonResponse.SizeOfArray("_links.replies");
    while (i < count_i) {
        jsonResponse.put_I(i);
        embeddable = jsonResponse.BoolOf("_links.replies[i].embeddable");
        href = jsonResponse.stringOf("_links.replies[i].href");
        i = i + 1;
    }

    i = 0;
    count_i = jsonResponse.SizeOfArray("_links.wp:action-unfiltered-html");
    while (i < count_i) {
        jsonResponse.put_I(i);
        href = jsonResponse.stringOf("_links.wp:action-unfiltered-html[i].href");
        i = i + 1;
    }

    i = 0;
    count_i = jsonResponse.SizeOfArray("_links.wp:action-assign-author");
    while (i < count_i) {
        jsonResponse.put_I(i);
        href = jsonResponse.stringOf("_links.wp:action-assign-author[i].href");
        i = i + 1;
    }

    i = 0;
    count_i = jsonResponse.SizeOfArray("_links.curies");
    while (i < count_i) {
        jsonResponse.put_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;
    }
    }