1 files changed, 77 insertions, 0 deletions
diff --git a/toolkit/components/certviewer/content/utils.js b/toolkit/components/certviewer/content/utils.js
new file mode 100644
index 0000000000..892de1740c
--- /dev/null
+++ b/toolkit/components/certviewer/content/utils.js
@@ -0,0 +1,77 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const { Integer } = asn1js.asn1js;
+const { fromBase64, stringToArrayBuffer } = pvutils.pvutils;
+
+export const b64urltodec = b64 => {
+  return new Integer({
+    valueHex: stringToArrayBuffer(fromBase64("AQAB", true, true)),
+  }).valueBlock._valueDec;
+};
+
+export const b64urltohex = b64 => {
+  const hexBuffer = new Integer({
+    valueHex: stringToArrayBuffer(fromBase64(b64, true, true)),
+  }).valueBlock._valueHex;
+  const hexArray = Array.from(new Uint8Array(hexBuffer));
+
+  return hexArray.map(b => ("00" + b.toString(16)).slice(-2));
+};
+
+// this particular prototype override makes it easy to chain down complex objects
+export const getObjPath = (obj, path) => {
+  path = path.split(".");
+  for (let i = 0, len = path.length; i < len; i++) {
+    if (Array.isArray(obj[path[i]])) {
+      obj = obj[path[i]][path[i + 1]];
+      i++;
+    } else {
+      obj = obj[path[i]];
+    }
+  }
+  return obj;
+};
+
+export const hash = async (algo, buffer) => {
+  const hashBuffer = await crypto.subtle.digest(algo, buffer);
+  const hashArray = Array.from(new Uint8Array(hashBuffer));
+
+  return hashArray
+    .map(b => ("00" + b.toString(16)).slice(-2))
+    .join(":")
+    .toUpperCase();
+};
+
+export const hashify = hash => {
+  if (typeof hash === "string") {
+    return hash
+      .match(/.{2}/g)
+      .join(":")
+      .toUpperCase();
+  }
+  return hash.join(":").toUpperCase();
+};
+
+export const pemToDER = pem => {
+  return stringToArrayBuffer(window.atob(pem));
+};
+
+export const normalizeToKebabCase = string => {
+  let kebabString = string
+    // Turn all dots into dashes
+    .replace(/\./g, "-")
+    // Turn whitespace into dashes
+    .replace(/\s+/g, "-")
+    // Remove all non-characters or numbers
+    .replace(/[^a-z0-9\-]/gi, "")
+    // De-dupe dashes
+    .replace(/--/g, "-")
+    // Remove trailing and leading dashes
+    .replace(/^-/g, "")
+    .replace(/-$/g, "")
+    .toLowerCase();
+
+  return kebabString;
+};