From ff96b30d3d688b9580c333f6a3b473d12d660d58 Mon Sep 17 00:00:00 2001
From: Ziga <ziga@pop-os.localdomain>
Date: Fri, 21 May 2021 11:52:29 +0200
Subject: [PATCH] Added backup

---
 html/export.html        | 13 ++++++++++++-
 js/default-functions.js | 26 ++++++++++++++++++++++++++
 js/export.js            | 28 ++++++++++++++++++++++++++++
 3 files changed, 66 insertions(+), 1 deletion(-)

diff --git a/html/export.html b/html/export.html
index 84121f1..0f7821d 100644
--- a/html/export.html
+++ b/html/export.html
@@ -71,8 +71,19 @@ <h3 class="mt-6 text-gray-900 text-lg font-medium">Passky</h3>
                         <span class="ml-3">Import</span>
                     </a>
                 </div>
+                <div class="w-0 flex-1 flex">
+                  <a href="javascript:backup_passky()" class="relative -mr-px w-0 flex-1 inline-flex items-center justify-center py-4 text-sm text-gray-700 font-medium border border-transparent rounded-bl-lg hover:text-gray-500">
+                      <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" stroke-width="1.5" stroke="#2c3e50" fill="none" stroke-linecap="round" stroke-linejoin="round">
+                        <path stroke="none" d="M0 0h24v24H0z" fill="none"/>
+                        <path d="M6 4h10l4 4v10a2 2 0 0 1 -2 2h-12a2 2 0 0 1 -2 -2v-12a2 2 0 0 1 2 -2" />
+                        <circle cx="12" cy="14" r="2" />
+                        <polyline points="14 4 14 8 8 8 8 4" />
+                      </svg>
+                      <span class="ml-3">Backup</span>
+                  </a>
+              </div>
                 <div class="-ml-px w-0 flex-1 flex">
-                    <a href="#" class="relative w-0 flex-1 inline-flex items-center justify-center py-4 text-sm text-gray-700 font-medium border border-transparent rounded-br-lg hover:text-gray-500">
+                    <a href="javascript:export_passky()" class="relative w-0 flex-1 inline-flex items-center justify-center py-4 text-sm text-gray-700 font-medium border border-transparent rounded-br-lg hover:text-gray-500">
                         <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" stroke-width="1.5" stroke="#2c3e50" fill="none" stroke-linecap="round" stroke-linejoin="round">
                             <path stroke="none" d="M0 0h24v24H0z" fill="none"/>
                             <path d="M14 3v4a1 1 0 0 0 1 1h4" />
diff --git a/js/default-functions.js b/js/default-functions.js
index 90ed09a..575c272 100644
--- a/js/default-functions.js
+++ b/js/default-functions.js
@@ -80,4 +80,30 @@ const errors = {
     "429": "You are sending too many requests! Please wait some time before executing this action.",
     "505": "Something went wrong while connecting to database!",
     "999": "You don't have permission to use this endpoint."
+}
+
+function downloadJson(exportJson, exportName){
+    let dataStr = "data:text/json;charset=utf-8," + encodeURIComponent(exportJson);
+    let downloadAnchorNode = document.createElement('a');
+    downloadAnchorNode.setAttribute("href", dataStr);
+    downloadAnchorNode.setAttribute("download", exportName + ".json");
+    document.body.appendChild(downloadAnchorNode); // required for firefox
+    downloadAnchorNode.click();
+    downloadAnchorNode.remove();
+}
+
+function downloadObjectAsJson(exportObj, exportName){
+    let dataStr = "data:text/json;charset=utf-8," + encodeURIComponent(JSON.stringify(exportObj));
+    let downloadAnchorNode = document.createElement('a');
+    downloadAnchorNode.setAttribute("href", dataStr);
+    downloadAnchorNode.setAttribute("download", exportName + ".json");
+    document.body.appendChild(downloadAnchorNode); // required for firefox
+    downloadAnchorNode.click();
+    downloadAnchorNode.remove();
+}
+
+function getDate(date) {
+    let local = new Date(date);
+    local.setMinutes(date.getMinutes() - date.getTimezoneOffset());
+    return local.toJSON().slice(0, 10);
 }
\ No newline at end of file
diff --git a/js/export.js b/js/export.js
index e69de29..cf5aa16 100644
--- a/js/export.js
+++ b/js/export.js
@@ -0,0 +1,28 @@
+function backup_passky(){
+
+    if(sessionStorage.passwords == null || typeof(sessionStorage.passwords) == 'undefined'){
+        window.location.href = 'login.html';
+        return;
+    }
+
+    let passwords = JSON.parse(sessionStorage.passwords);
+    for(let i = 0; i < passwords.length; i++) delete passwords[i]['id'];
+
+    downloadObjectAsJson(passwords, "passky_" + getDate(new Date()));
+}
+
+function export_passky(){
+
+    if(sessionStorage.passwords == null || typeof(sessionStorage.passwords) == 'undefined'){
+        window.location.href = 'login.html';
+        return;
+    }
+
+    let passwords = JSON.parse(sessionStorage.passwords);
+    for(let i = 0; i < passwords.length; i++){
+        delete passwords[i]['id'];
+        passwords[i]['password'] = CryptoJS.AES.decrypt(passwords[i]['password'], sessionStorage.password).toString(CryptoJS.enc.Utf8);
+    }
+
+    downloadObjectAsJson(passwords, "passky_" + getDate(new Date()));
+}
\ No newline at end of file