albert/kreta
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

init

Browse source
This commit is contained in:
skidoodle 2024-03-13 00:33:46 +01:00
commit e124a47765
19374 changed files with 9806149 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

61
Kreta.BusinessLogic/Logic/SystemSettings/SystemSettingsLogic.cs Normal file
View file

@ -0,0 +1,61 @@
using System;
using System.Collections.Generic;
using Kreta.Enums.ManualEnums.SystemSettings;
namespace Kreta.BusinessLogic.Logic.SystemSettings
{
public static class SystemSettingsLogic
{
public static long MaxFileSizeMB { get; } = 4;
public static long AllowedMaxHeight { get; } = 140;
public static long AllowedMaxWidth { get; } = 980;
private static Dictionary<string, string> allowedFileTypes =
new Dictionary<string, string>() {
{ ".bmp", "image/bmp" },
{ ".jpg", "image/jpeg" },
{ ".jpeg", "image/jpeg" },
{ ".png", "image/png" },
};
public static SystemSettingsFejlecLablecSzerkesztoHibakEnum ImageValidate(string content)
{
var sumLength = 0;
var sumWidth = 0;
var maxHeight = 0;
var imgTags = System.Text.RegularExpressions.Regex.Matches(content, "<img(.*?)src=\"(?<src>(.*?))\"(.*?)/>");
foreach (System.Text.RegularExpressions.Match imgTag in imgTags)
{
var group = imgTag.Groups["src"];
if (group.Success)
{
string[] parts = group.Value.Split(new string[] { ";", ":", "," }, StringSplitOptions.None);
if (!allowedFileTypes.ContainsValue(parts[1]))
{
return SystemSettingsFejlecLablecSzerkesztoHibakEnum.AFajlKiterjeszteseVagyTipusaNemMegfelelo;
}
var bytes = Convert.FromBase64String(parts[3]);
sumLength += bytes.Length;
using (System.Drawing.Image image = System.Drawing.Image.FromStream(new System.IO.MemoryStream(bytes)))
{
maxHeight = Math.Max(maxHeight, image.Height);
sumWidth += image.Width;
}
}
}
if (sumLength > (MaxFileSizeMB * 1024 * 1024))
{
return SystemSettingsFejlecLablecSzerkesztoHibakEnum.HibaTortentXMBNalNemLehetNagyobbAFajlMerete;
}
if (maxHeight > AllowedMaxHeight)
{
return SystemSettingsFejlecLablecSzerkesztoHibakEnum.AKepMagassagaMeghaladjaAMegengedettMeretet;
}
if (sumWidth > AllowedMaxWidth)
{
return SystemSettingsFejlecLablecSzerkesztoHibakEnum.AzOsszesKepSzelessegeMeghaladjaAMegengedettMeretet;
}
return 0;
}
}
}