private void RefreshSiteIconCache()
{
try
{
string iconTemplatPath = string.Empty;
try
{
if (!string.IsNullOrWhiteSpace(_blogConfig.GeneralSettings.SiteIconBase64))
{
var siteIconBytes = Convert.FromBase64String(_blogConfig.GeneralSettings.SiteIconBase64);
using (var ms = new MemoryStream(siteIconBytes))
{
var image = Image.FromStream(ms);
if (image.Height != image.Width)
{
throw new InvalidOperationException("Invalid Site Icon Data");
}
}
var p = Path.Join(SiteIconDirectory, "siteicon.png");
if (!Directory.Exists(SiteIconDirectory))
{
Directory.CreateDirectory(SiteIconDirectory);
}
System.IO.File.WriteAllBytes(p, siteIconBytes);
iconTemplatPath = p;
}
}
catch (Exception e)
{
Logger.LogError($"Error {nameof(RefreshSiteIconCache)}()", e);
}
if (string.IsNullOrWhiteSpace(iconTemplatPath))
{
Logger.LogWarning("SiteIconBase64 is empty or not valid, fall back to default image.");
iconTemplatPath = Path.Join($"{_env.WebRootPath}", "images", "siteicon-default.png");
}
if (System.IO.File.Exists(iconTemplatPath))
{
_siteIconGenerator.GenerateIcons(iconTemplatPath, SiteIconDirectory);
}
}
catch (Exception ex)
{
Logger.LogError($"Error {nameof(RefreshSiteIconCache)}()", ex);
}
}
