upload logo and expose ./data/upload to url

server/image-data-uri.js

@@ -0,0 +1,57 @@
+/*
+    From https://github.com/DiegoZoracKy/image-data-uri/blob/master/lib/image-data-uri.js
+    Modified with 0 dependencies
+ */
+let fs = require("fs");
+
+let ImageDataURI = (() => {
+
+    function decode(dataURI) {
+        if (!/data:image\//.test(dataURI)) {
+            console.log("ImageDataURI :: Error :: It seems that it is not an Image Data URI. Couldn't match \"data:image/\"");
+            return null;
+        }
+
+        let regExMatches = dataURI.match("data:(image/.*);base64,(.*)");
+        return {
+            imageType: regExMatches[1],
+            dataBase64: regExMatches[2],
+            dataBuffer: new Buffer(regExMatches[2], "base64")
+        };
+    }
+
+    function encode(data, mediaType) {
+        if (!data || !mediaType) {
+            console.log("ImageDataURI :: Error :: Missing some of the required params: data, mediaType ");
+            return null;
+        }
+
+        mediaType = (/\//.test(mediaType)) ? mediaType : "image/" + mediaType;
+        let dataBase64 = (Buffer.isBuffer(data)) ? data.toString("base64") : new Buffer(data).toString("base64");
+        let dataImgBase64 = "data:" + mediaType + ";base64," + dataBase64;
+
+        return dataImgBase64;
+    }
+
+    function outputFile(dataURI, filePath) {
+        filePath = filePath || "./";
+        return new Promise((resolve, reject) => {
+            let imageDecoded = decode(dataURI);
+
+            fs.writeFile(filePath, imageDecoded.dataBuffer, err => {
+                if (err) {
+                    return reject("ImageDataURI :: Error :: " + JSON.stringify(err, null, 4));
+                }
+                resolve(filePath);
+            });
+        });
+    }
+
+    return {
+        decode: decode,
+        encode: encode,
+        outputFile: outputFile,
+    };
+})();
+
+module.exports = ImageDataURI;