Initial commit

node_modules/jose/lib/jwt/decode.js

@@ -0,0 +1,30 @@
+const base64url = require('../help/base64url')
+const errors = require('../errors')
+
+module.exports = (token, { complete = false } = {}) => {
+  if (typeof token !== 'string' || !token) {
+    throw new TypeError('JWT must be a string')
+  }
+
+  const { 0: header, 1: payload, 2: signature, length } = token.split('.')
+
+  if (length === 5) {
+    throw new TypeError('encrypted JWTs cannot be decoded')
+  }
+
+  if (length !== 3) {
+    throw new errors.JWTMalformed('JWTs must have three components')
+  }
+
+  try {
+    const result = {
+      header: base64url.JSON.decode(header),
+      payload: base64url.JSON.decode(payload),
+      signature
+    }
+
+    return complete ? result : result.payload
+  } catch (err) {
+    throw new errors.JWTMalformed('JWT is malformed')
+  }
+}