Added the jsonwebtoken package. Implemented a web jwt verify flow. Added missing JSON responses for api auth flows. Added jwt module. Moved bytes.js, logo.js, time.js and types.js to utils folder. Updated README.md. Implemented HA config check to allow API service configuration. Implemented JWT initialization. Replaced authorization cookie contents with JWT token. Implemented /api/vouchers endpoint. Updated /api endpoints list.

utils/bytes.js

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+/**
+ * Converts bytes to a human readable format
+ *
+ * @param bytes
+ * @param type
+ * @param perSecond
+ * @param decimals
+ * @return {string}
+ */
+module.exports = (bytes, type = 0, perSecond = false, decimals = 2) => {
+    if (bytes === 0) return '0 Bytes';
+
+    const k = 1000;
+    const dm = decimals < 0 ? 0 : decimals;
+    const sizes = ['Bytes', 'Kb', 'Mb', 'Gb', 'Tb', 'Pb', 'Eb', 'Zb', 'Yb'].toSpliced(0, type);
+
+    const i = Math.floor(Math.log(bytes) / Math.log(k));
+
+    const suffix = perSecond ? sizes[i] + 'ps' : sizes[i].toUpperCase();
+
+    return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + suffix;
+}

utils/logo.js

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+/**
+ * Output the ascii logo
+ */
+module.exports = () => {
+    console.log(`   __  __      _ _______    _    __                 __             `);
+    console.log(`  / / / /___  (_) ____(_)  | |  / /___  __  _______/ /_  ___  _____`);
+    console.log(` / / / / __ \\/ / /_  / /   | | / / __ \\/ / / / ___/ __ \\/ _ \\/ ___/`);
+    console.log(`/ /_/ / / / / / __/ / /    | |/ / /_/ / /_/ / /__/ / / /  __/ /    `);
+    console.log(`\\____/_/ /_/_/_/   /_/     |___/\\____/\\__,_/\\___/_/ /_/\\___/_/     `);
+    console.log('');
+    console.log('                           UniFi Voucher                           ');
+    console.log('                         By: Glenn de Haan                         ');
+    console.log('         https://github.com/glenndehaan/unifi-voucher-site         ');
+    console.log('');
+}

utils/time.js

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+/**
+ * Convert time minutes
+ *
+ * @param minutes
+ * @returns {string}
+ */
+module.exports = (minutes) => {
+    if (minutes < 60) {
+        return `${minutes} minute(s)`;
+    }
+
+    const hours = minutes / 60;
+
+    if (hours < 24) {
+        return `${hours % 1 === 0 ? hours : hours.toFixed(2)} ${(hours > 1) ? 'hours' : 'hour'}`;
+    }
+
+    const days = hours / 24;
+    return `${days} ${(days > 1) ? 'days' : 'day'}`;
+}

utils/types.js

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+/**
+ * Returns an array or object of voucher type(s)
+ *
+ * @param string
+ * @param single
+ * @returns {*}
+ */
+module.exports = (string, single = false) => {
+    if(single) {
+        const match = string.match(/^(?<expiration>\d+)?,(?<usage>\d+)?,(?<upload>\d+)?,(?<download>\d+)?,(?<megabytes>\d+)?/);
+        return match.groups.expiration ? {...match.groups, raw: string} : undefined;
+    }
+
+    const types = string.split(';');
+
+    return types.filter(n => n).map((type) => {
+        const match = type.match(/^(?<expiration>\d+)?,(?<usage>\d+)?,(?<upload>\d+)?,(?<download>\d+)?,(?<megabytes>\d+)?/);
+        return match.groups.expiration ? {...match.groups, raw: type} : undefined;
+    }).filter(n => n);
+}