Don't redirect to login page if we have no account

src/plugins/utils.js

@@ -1,5 +1,10 @@
 import axios from 'axios';
 import * as ContentHelpers from "matrix-js-sdk/lib/content-helpers";
+import dataUriToBuffer from "data-uri-to-buffer";
+import ImageResize from "image-resize";
+
+const sizeOf = require("image-size");
+
 var dayjs = require('dayjs');
 var sha256 = require('js-sha256').sha256;
 var aesjs = require('aes-js');
@@ -597,6 +602,60 @@ class Util {
         });
     }
 
+    loadAvatarFromFile(event, onLoad) {
+        if (event.target.files && event.target.files[0]) {
+          var reader = new FileReader();
+          reader.onload = (e) => {
+            const file = event.target.files[0];
+            if (file.type.startsWith("image/")) {
+              try {
+                var image = e.target.result;
+  
+                var dimens = sizeOf(dataUriToBuffer(e.target.result));
+  
+                // Need to resize?
+                const w = dimens.width;
+                const h = dimens.height;
+                if (w > 640 || h > 640) {
+                  var aspect = w / h;
+                  var newWidth = parseInt((w > h ? 640 : 640 * aspect).toFixed());
+                  var newHeight = parseInt(
+                    (w > h ? 640 / aspect : 640).toFixed()
+                  );
+                  var imageResize = new ImageResize({
+                    format: "png",
+                    width: newWidth,
+                    height: newHeight,
+                    outputType: "blob",
+                  });
+                  imageResize
+                    .play(event.target)
+                    .then((img) => {
+                      var resizedImageFile = new File([img], file.name, {
+                        type: img.type,
+                        lastModified: Date.now(),
+                      });
+                      var reader2 = new FileReader();
+                      reader2.onload = (e) => {
+                        onLoad(e.target.result);
+                      };
+                      reader2.readAsDataURL(resizedImageFile);
+                    })
+                    .catch((err) => {
+                      console.error("Resize failed:", err);
+                    });
+                } else {
+                    onLoad(image);
+                }
+              } catch (error) {
+                console.error("Failed to get image dimensions: " + error);
+              }
+            }
+          };
+          reader.readAsDataURL(event.target.files[0]);
+        }
+      }
+
     /**
      * Return number of whole days between the timestamps, at end of that day.
      * @param {*} ts1