55 lines
2.3 KiB
C#
55 lines
2.3 KiB
C#
using Microsoft.AspNetCore.Components;
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using System.Diagnostics.CodeAnalysis;
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namespace adminSystem.UI.Components.Account {
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internal sealed class IdentityRedirectManager(NavigationManager navigationManager) {
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public const string StatusCookieName = "Identity.StatusMessage";
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private static readonly CookieBuilder StatusCookieBuilder = new()
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{
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SameSite = SameSiteMode.Strict,
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HttpOnly = true,
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IsEssential = true,
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MaxAge = TimeSpan.FromSeconds(5),
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};
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[DoesNotReturn]
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public void RedirectTo(string? uri) {
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uri ??= "";
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// Prevent open redirects.
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if (!Uri.IsWellFormedUriString(uri, UriKind.Relative))
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{
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uri = navigationManager.ToBaseRelativePath(uri);
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}
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// During static rendering, NavigateTo throws a NavigationException which is handled by the framework as a redirect.
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// So as long as this is called from a statically rendered Identity component, the InvalidOperationException is never thrown.
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navigationManager.NavigateTo(uri);
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throw new InvalidOperationException($"{nameof(IdentityRedirectManager)} can only be used during static rendering.");
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}
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[DoesNotReturn]
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public void RedirectTo(string uri, Dictionary<string, object?> queryParameters) {
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var uriWithoutQuery = navigationManager.ToAbsoluteUri(uri).GetLeftPart(UriPartial.Path);
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var newUri = navigationManager.GetUriWithQueryParameters(uriWithoutQuery, queryParameters);
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RedirectTo(newUri);
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}
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[DoesNotReturn]
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public void RedirectToWithStatus(string uri, string message, HttpContext context) {
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context.Response.Cookies.Append(StatusCookieName, message, StatusCookieBuilder.Build(context));
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RedirectTo(uri);
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}
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private string CurrentPath => navigationManager.ToAbsoluteUri(navigationManager.Uri).GetLeftPart(UriPartial.Path);
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[DoesNotReturn]
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public void RedirectToCurrentPage() => RedirectTo(CurrentPath);
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[DoesNotReturn]
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public void RedirectToCurrentPageWithStatus(string message, HttpContext context)
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=> RedirectToWithStatus(CurrentPath, message, context);
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}
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}
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