From e309ce1fb46a89a6e43c4bb379797158d4e13e74 Mon Sep 17 00:00:00 2001
From: Robbie Antenesse <dev@alamantus.com>
Date: Sun, 9 Jun 2019 12:57:28 -0600
Subject: [PATCH] Migrate stored dictionary to https if loading http

---
 src/index.js        |  3 ++
 src/js/migration.js | 74 +++++++++++++++++++++++++++++++++++++++++++++
 src/php/router.php  |  6 ++++
 template-index.html |  1 +
 4 files changed, 84 insertions(+)
 create mode 100644 src/js/migration.js

diff --git a/src/index.js b/src/index.js
index aa62245..ccc92e8 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,3 +1,4 @@
+import migrate from './js/migration';
 import setupListeners from './js/setupListeners';
 import { renderAll } from './js/render';
 import { hasToken, addMessage } from './js/utilities';
@@ -10,6 +11,8 @@ function initialize() {
     addMessage('<strong>You are using the Offline version of Lexiconga.</strong><br>Refresh the page while connected to the internet to enable using accounts.', 0);
   }
 
+  migrate();
+
   loadSettings();
   loadDictionary();
   setupListeners();
diff --git a/src/js/migration.js b/src/js/migration.js
new file mode 100644
index 0000000..8e53423
--- /dev/null
+++ b/src/js/migration.js
@@ -0,0 +1,74 @@
+import { LOCAL_STORAGE_KEY } from "../constants";
+
+export default function migrate() {
+  if (window.location.pathname === '/') {
+    if (isNotSecure()) {
+      sendDictionaryToHTTPS();
+    } else {
+      checkForReceived();
+    }
+  }
+}
+
+function isNotSecure() {
+  return window.location.host !== 'localhost' && window.location.protocol !== 'https';
+}
+
+function sendDictionaryToHTTPS() {
+  const storedDictionary = window.localStorage.getItem(LOCAL_STORAGE_KEY);
+  const httpsURL = 'https://' + window.location.host;
+  if (storedDictionary) {
+    if (!dictionaryIsOldDefault(storedDictionary)) {
+      const form = document.createElement('form');
+      form.action = httpsURL;
+      form.method = 'POST';
+      form.hidden = true;
+      const field = document.createElement('input');
+      field.name = 'oldDictionaryFromHTTP';
+      field.value = storedDictionary;
+      form.appendChild(field);
+      const blackoutShield = document.createElement('div');
+      blackoutShield.classList.add('modal-background');
+      document.body.appendChild(form);
+      document.body.appendChild(blackoutShield);
+      alert('You are about to be redirected to the secure https version of Lexiconga. Please update your bookmarks.')
+      form.submit();
+      return;
+    }
+  }
+  window.location = httpsURL;
+}
+
+function dictionaryIsOldDefault(dictionaryJSON) {
+  const defaultDictionary = {
+    name: "New",
+    description: "A new dictionary.",
+    // createdBy: publicName,
+    words: [],
+    nextWordId: 1,
+    settings: {
+      allowDuplicates: false,
+      caseSensitive: false,
+      partsOfSpeech: "Noun,Adjective,Verb,Adverb,Preposition,Pronoun,Conjunction",
+      sortByEquivalent: false,
+      isComplete: false,
+      isPublic: false
+    },
+    externalID: 0
+  }
+  const dictionary = JSON.parse(dictionaryJSON);
+  delete dictionary.createdBy;
+  
+  return JSON.stringify(defaultDictionary) === JSON.stringify(dictionary);
+}
+
+function checkForReceived() {
+  if (window.hasOwnProperty('dictionaryImportedFromHTTP')) {
+    const storedDictionary = window.localStorage.getItem(LOCAL_STORAGE_KEY);
+    if (!storedDictionary) {
+      window.localStorage.setItem(LOCAL_STORAGE_KEY, window.dictionaryImportedFromHTTP);
+      delete window.dictionaryImportedFromHTTP;
+      return;
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/php/router.php b/src/php/router.php
index cd191e6..f18213d 100644
--- a/src/php/router.php
+++ b/src/php/router.php
@@ -123,6 +123,12 @@ switch ($view) {
     </script>";
     
     $html = str_replace('{{upup_insert}}', $upup_insert, $html);
+    
+    $imported_from_http = '';
+    if (isset($_POST['oldDictionaryFromHTTP'])) {
+      $imported_from_http = '<script>window.dictionaryImportedFromHTTP = "' . addslashes($_POST['oldDictionaryFromHTTP']) . '";</script>';
+    }
+    $html = str_replace('{{imported_from_http}}', $imported_from_http, $html);
 
     return Response::html($html);
     break;
diff --git a/template-index.html b/template-index.html
index d485bfe..c33beb0 100644
--- a/template-index.html
+++ b/template-index.html
@@ -7,6 +7,7 @@
   <title>Lexiconga</title>
   <link rel="icon" href="src/images/favicon.png" type="image/x-icon" />
   <link rel="stylesheet" href="src/main.scss" />
+  {{imported_from_http}}
   <script src="src/index.js"></script>
 </head>
 <body id="defaultTheme">