From 9bd560a05a3bbd7db62133580e55725fa8065a2a Mon Sep 17 00:00:00 2001
From: Knut Ahlers <knut@ahlers.me>
Date: Sat, 11 Jan 2020 20:22:55 +0100
Subject: [PATCH] Use JS cryptocore

Signed-off-by: Knut Ahlers <knut@ahlers.me>
---
 .eslintrc.js         |  3 +++
 package-lock.json    | 10 ++++++++++
 package.json         |  2 ++
 src/js_cryptocore.js | 18 ++++++++++++++++++
 src/main.js          |  9 ++++++---
 5 files changed, 39 insertions(+), 3 deletions(-)
 create mode 100644 src/js_cryptocore.js

diff --git a/.eslintrc.js b/.eslintrc.js
index a3e227d..d3e4016 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -21,7 +21,10 @@ module.exports = {
   plugins: ['vue'],
   globals: {
     Go: true,
+    opensslDecrypt: true,
+    opensslEncrypt: true,
     process: true,
+    sha256sum: true,
   },
   // add your custom rules here
   rules: {
diff --git a/package-lock.json b/package-lock.json
index aa91035..355d4e0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6992,6 +6992,11 @@
         "assert-plus": "^1.0.0"
       }
     },
+    "gibberish-aes": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/gibberish-aes/-/gibberish-aes-1.0.0.tgz",
+      "integrity": "sha1-9kHEWPuCLgrWHDwN6hWOC5Q+n8U="
+    },
     "glob": {
       "version": "7.1.2",
       "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.2.tgz",
@@ -11905,6 +11910,11 @@
         "safe-buffer": "^5.0.1"
       }
     },
+    "sha2": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/sha2/-/sha2-1.0.2.tgz",
+      "integrity": "sha512-sQ1sFn+WN2weGkwwt25bllwocaJLyYeDrn/T221Bovc6XEHRf7NSn0KPoPQMV2+NT+RhJoStkdm4TrEGCXkKHA=="
+    },
     "shallow-clone": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/shallow-clone/-/shallow-clone-3.0.1.tgz",
diff --git a/package.json b/package.json
index 40821e1..1b74b16 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,8 @@
     "axios": "^0.18.1",
     "bootstrap-vue": "^2.2.0",
     "bootswatch": "^4.4.1",
+    "gibberish-aes": "^1.0.0",
+    "sha2": "^1.0.2",
     "uuid": "^3.3.3",
     "vue": "^2.6.11",
     "vue-clipboard2": "^0.2.1",
diff --git a/src/js_cryptocore.js b/src/js_cryptocore.js
new file mode 100644
index 0000000..339a177
--- /dev/null
+++ b/src/js_cryptocore.js
@@ -0,0 +1,18 @@
+import GibberishAES from 'gibberish-aes/src/gibberish-aes.js'
+import { SHA256 } from 'sha2'
+
+const opensslDecrypt = (plaintext, password, callback) => {
+  callback(GibberishAES.enc(plaintext, password), null)
+}
+
+const opensslEncrypt = (ciphertext, password, callback) => {
+  callback(GibberishAES.dec(ciphertext, password), null)
+}
+
+const sha256sum = (plaintext, callback) => {
+  callback(SHA256(plaintext).toString('hex'))
+}
+
+window.opensslDecrypt = opensslDecrypt
+window.opensslEncrypt = opensslEncrypt
+window.sha256sum = sha256sum
diff --git a/src/main.js b/src/main.js
index c5ade18..d2a6afc 100644
--- a/src/main.js
+++ b/src/main.js
@@ -35,9 +35,12 @@ Vue.component('fa-icon', FontAwesomeIcon)
 
 axios.defaults.baseURL = 'v2'
 
-const go = new Go()
-WebAssembly.instantiateStreaming(fetch('cryptocore.wasm'), go.importObject)
-  .then(async obj => await go.run(obj.instance))
+/*
+ * const go = new Go()
+ * WebAssembly.instantiateStreaming(fetch('cryptocore.wasm'), go.importObject)
+ *   .then(async obj => await go.run(obj.instance))
+ */
+import './js_cryptocore.js' // JS alternative
 
 window.instance = new Vue({
   mounted: () => store.dispatch('reload_users'),