Merge pull request #1177 from MetaMask/i1173-ShowPersonalMessage

Render personal_sign messages as utf-8 text

1 files changed, 43 insertions, 0 deletions

diff --git a/ui/app/components/binary-renderer.js b/ui/app/components/binary-renderer.js
new file mode 100644
index 000000000..a9d49b128
--- /dev/null
+++ b/ui/app/components/binary-renderer.js
@@ -0,0 +1,43 @@
+const Component = require('react').Component
+const h = require('react-hyperscript')
+const inherits = require('util').inherits
+const ethUtil = require('ethereumjs-util')
+
+module.exports = BinaryRenderer
+
+inherits(BinaryRenderer, Component)
+function BinaryRenderer () {
+  Component.call(this)
+}
+
+BinaryRenderer.prototype.render = function () {
+  const props = this.props
+  const { value } = props
+  const text = this.hexToText(value)
+
+  return (
+    h('textarea.font-small', {
+      readOnly: true,
+      style: {
+        width: '315px',
+        maxHeight: '210px',
+        resize: 'none',
+        border: 'none',
+        background: 'white',
+        padding: '3px',
+      },
+      defaultValue: text,
+    })
+  )
+}
+
+BinaryRenderer.prototype.hexToText = function (hex) {
+  try {
+    const stripped = ethUtil.stripHexPrefix(hex)
+    const buff = Buffer.from(stripped, 'hex')
+    return buff.toString('utf8')
+  } catch (e) {
+    return hex
+  }
+}
+