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[FancyZonesEditor] Don't load malformed custom layout and show appropriate message (#5248)

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* Introduce const strings in LayoutModel.cs

* Don't load malformed custom layout and show apropriate message

* Add more checks

* Address PR comments

* Address PR comments
This commit is contained in:
stefansjfw
2020-07-27 18:56:26 +02:00
committed by GitHub
parent 3796a5ef97
commit d15b0a0285
1 changed files with 73 additions and 8 deletions
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81
src/modules/fancyzones/editor/FancyZonesEditor/Models/LayoutModel.cs
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@@ -7,6 +7,7 @@ using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text.Json;
using System.Windows;
@@ -31,6 +32,7 @@ namespace FancyZonesEditor.Models
// Localizable strings
private const string ErrorMessageBoxTitle = "FancyZones Editor Exception Handler";
private const string ErrorMessageBoxMessage = "Please report the bug to ";
private const string ErrorLayoutMalformedData = "Layout '{0}' has malformed data";
private const string ErrorSerializingDeletedLayouts = "Error serializing deleted layouts";
private const string ErrorLoadingCustomLayouts = "Error loading custom layouts";
private const string ErrorApplyingLayout = "Error applying layout";
@@ -216,32 +218,68 @@ namespace FancyZonesEditor.Models
string type = current.GetProperty(TypeJsonTag).GetString();
string uuid = current.GetProperty(UuidJsonTag).GetString();
var info = current.GetProperty(InfoJsonTag);
if (type.Equals(GridJsonTag))
{
bool error = false;
int rows = info.GetProperty(RowsJsonTag).GetInt32();
int columns = info.GetProperty(ColumnsJsonTag).GetInt32();
List<int> rowsPercentage = new List<int>(rows);
JsonElement.ArrayEnumerator rowsPercentageEnumerator = info.GetProperty(RowsPercentageJsonTag).EnumerateArray();
while (rowsPercentageEnumerator.MoveNext())
{
rowsPercentage.Add(rowsPercentageEnumerator.Current.GetInt32());
}
List<int> columnsPercentage = new List<int>(columns);
JsonElement.ArrayEnumerator columnsPercentageEnumerator = info.GetProperty(ColumnsPercentageJsonTag).EnumerateArray();
while (columnsPercentageEnumerator.MoveNext())
if (rows <= 0 || columns <= 0 || rowsPercentageEnumerator.Count() != rows || columnsPercentageEnumerator.Count() != columns)
{
columnsPercentage.Add(columnsPercentageEnumerator.Current.GetInt32());
error = true;
}
while (!error && rowsPercentageEnumerator.MoveNext())
{
int percentage = rowsPercentageEnumerator.Current.GetInt32();
if (percentage <= 0)
{
error = true;
break;
}
rowsPercentage.Add(percentage);
}
while (!error && columnsPercentageEnumerator.MoveNext())
{
int percentage = columnsPercentageEnumerator.Current.GetInt32();
if (percentage <= 0)
{
error = true;
break;
}
columnsPercentage.Add(percentage);
}
int i = 0;
JsonElement.ArrayEnumerator cellChildMapRows = info.GetProperty(CellChildMapJsonTag).EnumerateArray();
int[,] cellChildMap = new int[rows, columns];
while (cellChildMapRows.MoveNext())
if (cellChildMapRows.Count() != rows)
{
error = true;
}
while (!error && cellChildMapRows.MoveNext())
{
int j = 0;
JsonElement.ArrayEnumerator cellChildMapRowElems = cellChildMapRows.Current.EnumerateArray();
if (cellChildMapRowElems.Count() != columns)
{
error = true;
break;
}
while (cellChildMapRowElems.MoveNext())
{
cellChildMap[i, j++] = cellChildMapRowElems.Current.GetInt32();
@@ -250,6 +288,12 @@ namespace FancyZonesEditor.Models
i++;
}
if (error)
{
ShowExceptionMessageBox(string.Format(ErrorLayoutMalformedData, name));
continue;
}
_customModels.Add(new GridLayoutModel(uuid, name, LayoutType.Custom, rows, columns, rowsPercentage, columnsPercentage, cellChildMap));
}
else if (type.Equals(CanvasJsonTag))
@@ -259,15 +303,36 @@ namespace FancyZonesEditor.Models
JsonElement.ArrayEnumerator zonesEnumerator = info.GetProperty(ZonesJsonTag).EnumerateArray();
IList<Int32Rect> zones = new List<Int32Rect>();
while (zonesEnumerator.MoveNext())
bool error = false;
if (lastWorkAreaWidth <= 0 || lastWorkAreaHeight <= 0)
{
error = true;
}
while (!error && zonesEnumerator.MoveNext())
{
int x = zonesEnumerator.Current.GetProperty(XJsonTag).GetInt32();
int y = zonesEnumerator.Current.GetProperty(YJsonTag).GetInt32();
int width = zonesEnumerator.Current.GetProperty(WidthJsonTag).GetInt32();
int height = zonesEnumerator.Current.GetProperty(HeightJsonTag).GetInt32();
if (width <= 0 || height <= 0)
{
error = true;
break;
}
zones.Add(new Int32Rect(x, y, width, height));
}
if (error)
{
ShowExceptionMessageBox(string.Format(ErrorLayoutMalformedData, name));
continue;
}
_customModels.Add(new CanvasLayoutModel(uuid, name, LayoutType.Custom, zones, lastWorkAreaWidth, lastWorkAreaHeight));
}
}