Retrieve-Assets-SSJS.js

<script runat = "server" >
    Platform.Load("Core", "1");
try {
    //authenticate to get access token
    var authEndpoint = 'https://xxxxx.auth.marketingcloudapis.com/' //provide API endpoint
    var payload = {
        client_id: "xxxxx", //pass Client ID
        client_secret: "xxxxx", //pass Client Secret
        grant_type: "client_credentials" //pass MID
    };
    var url = authEndpoint + '/v2/token'
    var contentType = 'application/json'

    var accessTokenRequest = HTTP.Post(url, contentType, Stringify(payload));
    if (accessTokenRequest.StatusCode == 200) {
        var tokenResponse = Platform.Function.ParseJSON(accessTokenRequest.Response[0]);
        var accessToken = tokenResponse.access_token //get access token
        var rest_instance_url = tokenResponse.rest_instance_url //get rest URL
    };

    //make api call to Retrieve Assets
    if (accessToken != null) {
        var assetURL = rest_instance_url + "/asset/v1/content/assets?$page=1"; //Initial GET URL with page as 1
        var headerNames = ["Authorization"];
        var headerValues = ["Bearer " + accessToken];
        var assetresponse = HTTP.Get(assetURL, headerNames, headerValues);
        var finalResponse = Platform.Function.ParseJSON(String(assetresponse.Content));
        var assetCount = finalResponse.count;
        var pageCount = finalResponse.page;
        var pageSize = finalResponse.pageSize;
        var iteraterows = Math.ceil(assetCount / pageSize) + 1; //Formula to get how many times we need to call the content API
        for (var j = 1; j < iteraterows; j++) {
            var assetURLFinal = rest_instance_url + "/asset/v1/content/assets?$page=" +j; //Iterating the pages dynamically
            var headerNames = ["Authorization"];
            var headerValues = ["Bearer " + accessToken];
            var assetresponseFinal = HTTP.Get(assetURLFinal, headerNames, headerValues);
            var finalResponseFinal = Platform.Function.ParseJSON(String(assetresponseFinal.Content));
            for (var i = 0; i < finalResponseFinal.items.length; i++) {
                var displayName = finalResponseFinal.items[i].assetType.displayName;
                if (displayName == "Image") { //checking if the type is Image
                    var publishedURL = finalResponseFinal.items[i].fileProperties.publishedURL;
                    var fileName = finalResponseFinal.items[i].fileProperties.fileName;
                    var rows = Platform.Function.UpsertDE("Test_Asset_URL", ["Asset_URL"], [publishedURL], ["Asset_Name"], [fileName]); //upserting the Image URL Link and file name
                }
            }
        }

    }
	
} catch (error) {
    Write(Stringify(error));
} </script>