imageDownloadThenUpload.js

imageDownloadThenUpload.js

var imgs=[
"https://image.com/image1.jpg",
"https://image.com/image2.jpg",
]

imgs.forEach(url=>imgUpload(url))

function imgUpload(url) {
    fetch(url).then(function(response) {
        console.log("image download");
        return response.blob();
    }).then(function(myBlob) {
        var blob = new Blob([myBlob],{
            type: 'image/jpg'
        });
        var form = new FormData();
        form.append('Uploads', blob, url.split('/').pop());
        fetch("http://yoursite.com/img/upload", {
            body: form,
            method: 'POST',
            credentials: 'include',
            headers: {
                "sec-fetch-mode": "cors",
                "sec-fetch-site": "same-site"
            },
        }).then().then(function() {
        console.log("img uploaded");
        });

    });

}