From 6c930f9ac6513132195caf2c4f96c4257947d001 Mon Sep 17 00:00:00 2001
From: antelle <dmitryvit@gmail.com>
Date: Sat, 19 Mar 2016 15:43:50 +0300
Subject: [PATCH] encrypt stored webdav password

---
 app/scripts/models/app-model.js       | 21 +++++++++++++++++---
 app/scripts/storage/storage-webdav.js | 28 +++++++++++++++++++++++++++
 app/scripts/views/open-view.js        |  2 +-
 3 files changed, 47 insertions(+), 4 deletions(-)

diff --git a/app/scripts/models/app-model.js b/app/scripts/models/app-model.js
index ba94fd41..96a12209 100644
--- a/app/scripts/models/app-model.js
+++ b/app/scripts/models/app-model.js
@@ -379,7 +379,6 @@ var AppModel = Backbone.Model.extend({
             name: params.name,
             storage: params.storage,
             path: params.path,
-            opts: params.opts,
             keyFileName: params.keyFileName
         });
         var that = this;
@@ -408,6 +407,7 @@ var AppModel = Backbone.Model.extend({
                 Storage.cache.save(cacheId, null, params.fileData);
             }
             var rev = params.rev || fileInfo && fileInfo.get('rev');
+            that.setFileOpts(file, params.opts);
             that.addToLastOpenFiles(file, rev);
             that.addFile(file);
             that.fileOpened(file);
@@ -442,7 +442,7 @@ var AppModel = Backbone.Model.extend({
             name: file.get('name'),
             storage: file.get('storage'),
             path: file.get('path'),
-            opts: file.get('opts'),
+            opts: this.getStoreOpts(file),
             modified: file.get('modified'),
             editState: file.getLocalEditState(),
             rev: rev,
@@ -460,6 +460,21 @@ var AppModel = Backbone.Model.extend({
         this.fileInfos.save();
     },
 
+    getStoreOpts: function(file) {
+        var opts = file.get('opts'), storage = file.get('storage');
+        if (Storage[storage]&& Storage[storage].fileOptsToStoreOpts && opts) {
+            return Storage[storage].fileOptsToStoreOpts(opts, file);
+        }
+        return null;
+    },
+
+    setFileOpts: function(file, opts) {
+        var storage = file.get('storage');
+        if (Storage[storage]&& Storage[storage].storeOptsToFileOpts && opts) {
+            file.set('opts', Storage[storage].storeOptsToFileOpts(opts));
+        }
+    },
+
     fileOpened: function(file) {
         var that = this;
         if (file.get('storage') === 'file') {
@@ -514,7 +529,7 @@ var AppModel = Backbone.Model.extend({
                 name: file.get('name'),
                 storage: file.get('storage'),
                 path: file.get('path'),
-                opts: file.get('opts'),
+                opts: this.getStoreOpts(file),
                 modified: file.get('modified'),
                 editState: null,
                 rev: null,
diff --git a/app/scripts/storage/storage-webdav.js b/app/scripts/storage/storage-webdav.js
index a96163c0..4fffb57c 100644
--- a/app/scripts/storage/storage-webdav.js
+++ b/app/scripts/storage/storage-webdav.js
@@ -102,6 +102,34 @@ var StorageWebDav = {
         });
     },
 
+    fileOptsToStoreOpts: function(opts, file) {
+        var result = {user: opts.user, encpass: opts.encpass};
+        if (opts.password) {
+            var fileId = file.get('id');
+            var password = opts.password;
+            var encpass = '';
+            for (var i = 0; i < password.length; i++) {
+                encpass += String.fromCharCode(password.charCodeAt(i) ^ fileId.charCodeAt(i % fileId.length));
+            }
+            result.encpass = btoa(encpass);
+        }
+        return result;
+    },
+
+    storeOptsToFileOpts: function(opts, file) {
+        var result = {user: opts.user, password: opts.password};
+        if (opts.encpass) {
+            var fileId = file.get('id');
+            var encpass = atob(opts.encpass);
+            var password = '';
+            for (var i = 0; i < encpass.length; i++) {
+                password += String.fromCharCode(encpass.charCodeAt(i) ^ fileId.charCodeAt(i % fileId.length));
+            }
+            opts.password = password;
+        }
+        return result;
+    },
+
     _request: function(config, callback) {
         if (config.rev) {
             logger.debug(config.op, config.path, config.rev);
diff --git a/app/scripts/views/open-view.js b/app/scripts/views/open-view.js
index 98bdaf3a..c65c303b 100644
--- a/app/scripts/views/open-view.js
+++ b/app/scripts/views/open-view.js
@@ -600,7 +600,7 @@ var OpenView = Backbone.View.extend({
         var storage = Storage[config.storage];
         this.storageWaitId = Math.random();
         var path = config.path;
-        var opts = _.omit(config, 'path');
+        var opts = _.omit(config, ['path', 'storage']);
         var req = {
             waitId: this.storageWaitId,
             storage: config.storage,