Content Builder File Upload Processor

file-upload-cb-processor.js

<script runat="server" language="JavaScript">

Platform.Load("Core","1");

/* adapted from https://sfmarketing.cloud/2020/02/29/create-a-cloudpages-form-with-an-image-file-upload-option/ */

var results = {};
results.result = {};
results.debug = {};
results.error = {};

try {

    var postStr = Platform.Request.GetPostData();
    var postJSON = Platform.Function.ParseJSON(postStr);

    var base64EncodedImage = postJSON.base64EncodedImage;
    var fullFileName = postJSON.fullFileName;
    var fileNameRoot = postJSON.fileNameRoot;
    var fileExtension = postJSON.fileExtension;

    // match asset type with uploaded file (https://developer.salesforce.com/docs/atlas.en-us.noversion.mc-apis.meta/mc-apis/base-asset-types.htm)
    var assetTypes = { ai: 16, psd: 17, pdd: 18, eps: 19, gif: 20, jpe: 21, jpeg: 22, jpg: 23, jp2: 24, jpx: 25, pict: 26, pct: 27, png: 28, tif: 29, tiff: 30, tga: 31, bmp: 32, wmf: 33, vsd: 34, pnm: 35, pgm: 36, pbm: 37, ppm: 38, svg: 39, "3fr": 40, ari: 41, arw: 42, bay: 43, cap: 44, crw: 45, cr2: 46, dcr: 47, dcs: 48, dng: 49, drf: 50, eip: 51, erf: 52, fff: 53, iiq: 54, k25: 55, kdc: 56, mef: 57, mos: 58, mrw: 59, nef: 60, nrw: 61, orf: 62, pef: 63, ptx: 64, pxn: 65, raf: 66, raw: 67, rw2: 68, rwl: 69, rwz: 70, srf: 71, sr2: 72, srw: 73, x3f: 74, "3gp": 75, "3gpp": 76, "3g2": 77, "3gp2": 78, asf: 79, avi: 80, m2ts: 81, mts: 82, dif: 83, dv: 84, mkv: 85, mpg: 86, f4v: 87, flv: 88, mjpg: 89, mjpeg: 90, mxf: 91, mpeg: 92, mp4: 93, m4v: 94, mp4v: 95, mov: 96, swf: 97, wmv: 98, rm: 99, ogv: 100, indd: 101, indt: 102, incx: 103, wwcx: 104, doc: 105, docx: 106, dot: 107, dotx: 108, mdb: 109, mpp: 110, ics: 111, xls: 112, xlsx: 113, xlk: 114, xlsm: 115, xlt: 116, xltm: 117, csv: 118, tsv: 119, tab: 120, pps: 121, ppsx: 122, ppt: 123, pptx: 124, pot: 125, thmx: 126, pdf: 127, ps: 128, qxd: 129, rtf: 130, sxc: 131, sxi: 132, sxw: 133, odt: 134, ods: 135, ots: 136, odp: 137, otp: 138, epub: 139, dvi: 140, key: 141, keynote: 142, pez: 143, aac: 144, m4a: 145, au: 146, aif: 147, aiff: 148, aifc: 149, mp3: 150, wav: 151, wma: 152, midi: 153, oga: 154, ogg: 155, ra: 156, vox: 157, voc: 158, "7z": 159, arj: 160, bz2: 161, cab: 162, gz: 163, gzip: 164, iso: 165, lha: 166, sit: 167, tgz: 168, jar: 169, rar: 170, tar: 171, zip: 172, gpg: 173, htm: 174, html: 175, xhtml: 176, xht: 177, css: 178, less: 179, sass: 180, js: 181, json: 182, atom: 183, rss: 184, xml: 185, xsl: 186, xslt: 187, md: 188, markdown: 189, as: 190, fla: 191, eml: 192, text: 193, txt: 194, freeformblock: 195, textblock: 196, htmlblock: 197, textplusimageblock: 198, imageblock: 199, abtestblock: 200, dynamicblock: 201, stylingblock: 202, einsteincontentblock: 203, webpage: 205, webtemplate: 206, templatebasedemail: 207, htmlemail: 208, textonlyemail: 209, socialshareblock: 210, socialfollowblock: 211, buttonblock: 212, layoutblock: 213, defaulttemplate: 214, smartcaptureblock: 215, smartcaptureformfieldblock: 216, smartcapturesubmitoptionsblock: 217, slotpropertiesblock: 218, externalcontentblock: 219, codesnippetblock: 220, rssfeedblock: 221, formstylingblock: 222, referenceblock: 223, imagecarouselblock: 224, customblock: 225, liveimageblock: 226, livesettingblock: 227, contentmap: 228, jsonmessage: 230 };
    var assetTypeID = assetTypes[fileExtension];

    // API CONFIGURATION
    var clientId = "YOURCLIENTIDHERE";
    var clientSecret = "YOURCLIENTSECRETHERE";
    var tenant = "YOURTENANTHERE";
    var mid = "YOURMIDHERE";
    var authURL = "https://" + tenant + ".auth.marketingcloudapis.com/v2/token";
    var endPoint = "https://" + tenant + ".rest.marketingcloudapis.com/";
    var accessToken = getAccessToken(clientId, clientSecret, mid, authURL);

    if (accessToken != "" && base64EncodedImage != null) {

        var headerNames = ["Authorization"];
        var headerValues = ["Bearer " + accessToken];
        var jsonBody = {
            "name": fileNameRoot,
            "assetType": {
                "name": fileExtension,
                "id": assetTypeID
            },
            "FileProperties": {
                "fileName": fullFileName
            },
            "file": base64EncodedImage
        };

        var requestUrl = endPoint + "asset/v1/content/assets"
        var contentType = "application/json";
        var result = HTTP.Post(requestUrl, contentType, Stringify(jsonBody), headerNames, headerValues);
        results.result = result;
    }

    function getAccessToken(clientId, clientSecret, mid, authURL) {

      var accessToken = "";

      if (clientId != "" && clientSecret != "" && mid != "" && authURL != "") {

          var payload = {
            "grant_type": "client_credentials",
            "client_id": clientId,
            "client_secret": clientSecret,
            "account_id": mid
          };

          var contentType = "application/json";
          var authResult = HTTP.Post(authURL, contentType, Stringify(payload), null, null);
          accessToken = Platform.Function.ParseJSON(authResult["Response"][0]).access_token;

      }

      return accessToken

    }

} catch (error) {
    results.error = Stringify(e);

}
Write(Stringify(results));
</script>