aswi2021jmsd-gitlab4/static/js/utilities.js @ 7a423499

/**
 * Generate a file to be downloaded by the browser
 * @param filename name of the file to be downloaded
 * @param text content of the downloaded file
 */
function download(filename, text) {
    // first a hidden <a> element is created and download content is assigned
    var element = document.createElement('a');
    element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
    element.setAttribute('download', filename);

    element.style.display = 'none';
    document.body.appendChild(element);

    // generate artificial click event to download the file
    element.click();

    // remove the download link from the webpage
    document.body.removeChild(element);
}

// Adds toDateInputValue() method to Date object
// toDateInputValue() produces date in YYYY-MM-DD format
Date.prototype.toDateInputValue = (function() {
    var local = new Date(this);
    local.setMinutes(this.getMinutes() - this.getTimezoneOffset());
    return local.toJSON().slice(0,10);
});

// Get the certificate PEM data from the server and downloads it to users computer
function onCertificateDownload(id) {
    axios.get(API_URL + "certificates/" + id)
        .then(function (response) {
            if (response.data["success"]) {
                download(id + ".pem", response.data["data"])
            } else
                console.log("Error occurred while downloading the certificate") // TODO more action may be required
        })
        .catch(function (error) {
            console.log(error);
        });
}

// Get the certificate's chain of trust in PEM format from the server and downloads it to users computer
function onCertificateChainDownload(id) {
    axios.get(API_URL + "certificates/" + id + "/chain")
        .then(function (response) {
            if(response.data["success"]) {
                download(id + "_chain.pem", response.data["data"])
            }
            else
                console.log("Error occurred while downloading the certificate's chain of trust") // TODO more action may be required
        })
        .catch(function (error) {
            console.log(error);
        });
}

// Get the certificate's root CA as PEM data from the server and downloads it to users computer
function onCertificateRootDownload(id) {
    axios.get(API_URL + "certificates/" + id + "/root")
        .then(function (response) {
            if(response.data["success"]) {
                download(id + "_root.pem", response.data["data"])
            }
            else
                console.log("Error occurred while downloading the certificate's root CA") // TODO more action may be required
        })
        .catch(function (error) {
            console.log(error);
        });
}