From c7293e24b69f867cbb899c06495bc529f4d11de3 Mon Sep 17 00:00:00 2001
From: Alexey Lunin <alexey.lunin@vereign.com>
Date: Mon, 10 Feb 2020 06:37:17 +0300
Subject: [PATCH] Added TextEncoder polyfill. The native TextEncoder is not
supported in IE
---
javascript/src/iframe/viamapi-iframe.js | 7 +--
javascript/src/lib/textencoder.polyfill.js | 58 ++++++++++++++++++++++
2 files changed, 59 insertions(+), 6 deletions(-)
create mode 100644 javascript/src/lib/textencoder.polyfill.js
diff --git a/javascript/src/iframe/viamapi-iframe.js b/javascript/src/iframe/viamapi-iframe.js
index 903055f..04dd65b 100644
--- a/javascript/src/iframe/viamapi-iframe.js
+++ b/javascript/src/iframe/viamapi-iframe.js
@@ -1,3 +1,4 @@
+import '../lib/textencoder.polyfill';
import {
parseSMIME,
prepareVCardParts
@@ -43,7 +44,6 @@ const penpalMethods = require("../../temp/penpal-methods").default;
const WopiAPI = require("./wopiapi-iframe");
const CollaboraAPI = require("./collaboraapi-iframe");
const ViamAPI = require("../../temp/viamapi");
-const asmCrypto = require('asmcrypto.js');
const identityColors = ["#994392", "#cb0767", "#e51d31", "#ec671b", "#fab610"];
@@ -527,11 +527,6 @@ const connection = Penpal.connectToParent({
},
...penpalMethods,
createIdentity(pinCode) {
- console.log("Our awesome log from create identity");
- console.log({asmCrypto});
- const sha1 = new asmCrypto.Sha1();
- console.log({sha1});
-
return new Penpal.Promise(result => {
createPassportCertificate(makeid()).then(function (keys) {
const newIdentity = new Identity();
diff --git a/javascript/src/lib/textencoder.polyfill.js b/javascript/src/lib/textencoder.polyfill.js
new file mode 100644
index 0000000..461089a
--- /dev/null
+++ b/javascript/src/lib/textencoder.polyfill.js
@@ -0,0 +1,58 @@
+if (typeof window.TextEncoder === "undefined") {
+ window.TextEncoder = function TextEncoder(){};
+ TextEncoder.prototype.encode = function encode(str) {
+ "use strict";
+ var Len = str.length, resPos = -1;
+ // The Uint8Array's length must be at least 3x the length of the string because an invalid UTF-16
+ // takes up the equivelent space of 3 UTF-8 characters to encode it properly. However, Array's
+ // have an auto expanding length and 1.5x should be just the right balance for most uses.
+ var resArr = typeof Uint8Array === "undefined" ? new Array(Len * 1.5) : new Uint8Array(Len * 3);
+ for (var point=0, nextcode=0, i = 0; i !== Len; ) {
+ point = str.charCodeAt(i), i += 1;
+ if (point >= 0xD800 && point <= 0xDBFF) {
+ if (i === Len) {
+ resArr[resPos += 1] = 0xef/*0b11101111*/; resArr[resPos += 1] = 0xbf/*0b10111111*/;
+ resArr[resPos += 1] = 0xbd/*0b10111101*/; break;
+ }
+ // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
+ nextcode = str.charCodeAt(i);
+ if (nextcode >= 0xDC00 && nextcode <= 0xDFFF) {
+ point = (point - 0xD800) * 0x400 + nextcode - 0xDC00 + 0x10000;
+ i += 1;
+ if (point > 0xffff) {
+ resArr[resPos += 1] = (0x1e/*0b11110*/<<3) | (point>>>18);
+ resArr[resPos += 1] = (0x2/*0b10*/<<6) | ((point>>>12)&0x3f/*0b00111111*/);
+ resArr[resPos += 1] = (0x2/*0b10*/<<6) | ((point>>>6)&0x3f/*0b00111111*/);
+ resArr[resPos += 1] = (0x2/*0b10*/<<6) | (point&0x3f/*0b00111111*/);
+ continue;
+ }
+ } else {
+ resArr[resPos += 1] = 0xef/*0b11101111*/; resArr[resPos += 1] = 0xbf/*0b10111111*/;
+ resArr[resPos += 1] = 0xbd/*0b10111101*/; continue;
+ }
+ }
+ if (point <= 0x007f) {
+ resArr[resPos += 1] = (0x0/*0b0*/<<7) | point;
+ } else if (point <= 0x07ff) {
+ resArr[resPos += 1] = (0x6/*0b110*/<<5) | (point>>>6);
+ resArr[resPos += 1] = (0x2/*0b10*/<<6) | (point&0x3f/*0b00111111*/);
+ } else {
+ resArr[resPos += 1] = (0xe/*0b1110*/<<4) | (point>>>12);
+ resArr[resPos += 1] = (0x2/*0b10*/<<6) | ((point>>>6)&0x3f/*0b00111111*/);
+ resArr[resPos += 1] = (0x2/*0b10*/<<6) | (point&0x3f/*0b00111111*/);
+ }
+ }
+ if (typeof Uint8Array !== "undefined") return resArr.subarray(0, resPos + 1);
+ // else // IE 6-9
+ resArr.length = resPos + 1; // trim off extra weight
+ return resArr;
+ };
+ TextEncoder.prototype.toString = function(){return "[object TextEncoder]"};
+ try { // Object.defineProperty only works on DOM prototypes in IE8
+ Object.defineProperty(TextEncoder.prototype,"encoding",{
+ get:function(){if(TextEncoder.prototype.isPrototypeOf(this)) return"utf-8";
+ else throw TypeError("Illegal invocation");}
+ });
+ } catch(e) { /*IE6-8 fallback*/ TextEncoder.prototype.encoding = "utf-8"; }
+ if(typeof Symbol!=="undefined")TextEncoder.prototype[Symbol.toStringTag]="TextEncoder";
+}
\ No newline at end of file
--
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