[BlazorWebView] Fixed Allow force reload for URLs with dots in query parameters #29560
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,20 +1,27 @@ | ||
| using System; | ||
| using System.IO; | ||
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| namespace Microsoft.AspNetCore.Components.WebView.Maui; | ||
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| internal static class UriExtensions | ||
| { | ||
| internal static bool IsBaseOfPage(this Uri baseUri, string? uriString) | ||
| { | ||
| if (string.IsNullOrWhiteSpace(uriString)) | ||
| { | ||
| return false; | ||
| } | ||
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| if (!Uri.TryCreate(uriString, UriKind.Absolute, out var uri)) | ||
| { | ||
| return false; | ||
| } | ||
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| if (Path.HasExtension(uri.GetComponents(UriComponents.Path, UriFormat.Unescaped))) | ||
| { | ||
| return false; | ||
| } | ||
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| return baseUri.IsBaseOf(uri); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,9 @@ | ||
| using Microsoft.Maui.Controls; | ||
| using Microsoft.Maui.Controls.Internals; | ||
| using System.Runtime.CompilerServices; | ||
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| [assembly: Preserve] | ||
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| [assembly: XmlnsDefinition("http://schemas.microsoft.com/dotnet/2021/maui", "Microsoft.AspNetCore.Components.WebView.Maui")] | ||
| [assembly: InternalsVisibleTo("Microsoft.Maui.MauiBlazorWebView.UnitTests")] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <TargetFramework>$(_MauiDotNetTfm)</TargetFramework> | ||
| <ImplicitUsings>enable</ImplicitUsings> | ||
| <RootNamespace>Microsoft.Maui.MauiBlazorWebView.UnitTests</RootNamespace> | ||
| <AssemblyName>Microsoft.Maui.MauiBlazorWebView.UnitTests</AssemblyName> | ||
| <Nullable>enable</Nullable> | ||
| <IsPackable>false</IsPackable> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="coverlet.collector" Version="$(CoverletCollectorPackageVersion)" /> | ||
| <PackageReference Include="xunit" Version="$(XunitPackageVersion)" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <Using Include="Xunit" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="..\..\src\Maui\Microsoft.AspNetCore.Components.WebView.Maui.csproj" /> | ||
| </ItemGroup> | ||
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| </Project> | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| using Microsoft.AspNetCore.Components.WebView.Maui; | ||
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| namespace Microsoft.Maui.MauiBlazorWebView.UnitTests; | ||
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| public class UriExtensions_Tests | ||
| { | ||
| private readonly Uri _baseUri = new("https://example.com/"); | ||
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| [Theory] | ||
| [InlineData("https://example.com/page", true)] | ||
| [InlineData("page/subpage", false)] | ||
| [InlineData("this is not a uri!", false)] | ||
| [InlineData("https://example.com/", true)] | ||
| [InlineData("https://example.com/page/", true)] | ||
| [InlineData("https://example.com/page?weight=62.5", true)] | ||
|
Collaborator
There was a problem hiding this comment. [moderate] Regression Prevention — The regression case exercises |
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| [InlineData("https://example.com/page#section.1", true)] | ||
| [InlineData("https://example.com/file.txt", false)] | ||
| [InlineData("https://example.com/page.json?foo=bar", false)] | ||
| [InlineData("ftp://example.com/page", false)] | ||
| [InlineData("/relative/path", false)] | ||
| [InlineData("", false)] | ||
| [InlineData(null, false)] | ||
| [InlineData("https://example.com/test", true)] | ||
| [InlineData("https://example.com/folder/subfolder/", true)] | ||
| [InlineData("https://example.com/folder/file.exe", false)] | ||
| [InlineData("https://subdomain.example.com/page", false)] | ||
| [InlineData("https://example.com/path/with/.dot/segment", true)] | ||
| [InlineData("https://example.com/path/with space", true)] | ||
| [InlineData("https://example.com/path/with%20encoded%20space", true)] | ||
| [InlineData("https://example.com/page?param=value¶m2=value2", true)] | ||
| [InlineData("https://example.com/page.html", false)] | ||
| [InlineData("HTTPS://EXAMPLE.COM/PAGE", true)] | ||
| [InlineData("https://subdomain.example.com/", false)] | ||
| [InlineData("https://subdomain.example.com/page/", false)] | ||
| [InlineData("https://subdomain.example.com/page?weight=62.5", false)] | ||
| [InlineData("https://subdomain.example.com/page#section.1", false)] | ||
| [InlineData("https://subdomain.example.com/file.txt", false)] | ||
| [InlineData("https://subdomain.example.com/page.json?foo=bar", false)] | ||
| [InlineData("ftp://subdomain.example.com/page", false)] | ||
| [InlineData("https://subdomain.example.com/test", false)] | ||
| [InlineData("https://subdomain.example.com/folder/subfolder/", false)] | ||
| [InlineData("https://subdomain.example.com/folder/file.exe", false)] | ||
| [InlineData("https://subdomain.example.com/path/with/.dot/segment", false)] | ||
| [InlineData("https://subdomain.example.com/path/with space", false)] | ||
| [InlineData("https://subdomain.example.com/path/with%20encoded%20space", false)] | ||
| [InlineData("https://subdomain.example.com/page?param=value¶m2=value2", false)] | ||
| [InlineData("https://subdomain.example.com/page.html", false)] | ||
| [InlineData("HTTPS://SUBDOMAIN.EXAMPLE.COM/PAGE", false)] | ||
| public void IsBaseOfPage_HandlesVariousUris(string? uriString, bool expected) | ||
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tw4 marked this conversation as resolved.
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| { | ||
| var result = _baseUri.IsBaseOfPage(uriString); | ||
| Assert.Equal(expected, result); | ||
| } | ||
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| // Regression test for https://github.com/dotnet/maui/issues/25689 | ||
| // A URL with a dot in the query parameter (e.g. ?weight=62.5) must not be | ||
| // treated as a file-extension path and must be allowed to fall back to the host page. | ||
| [Fact] | ||
| public void IsBaseOfPage_DoesNotTreatDotInQueryAsExtension() | ||
|
Collaborator
There was a problem hiding this comment. [minor] Regression Prevention — Missing issue reference on primary regression test — // Regression test for https://github.com/dotnet/maui/issues/25689
// A URL with a dot in the query parameter (e.g. ?weight=62.5) must not be
// treated as a file-extension path and must be allowed to fall back to the host page.
[Fact]
public void IsBaseOfPage_DoesNotTreatDotInQueryAsExtension()Without this comment, the test is indistinguishable from the duplicate facts above and its specific regression value is invisible. |
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| { | ||
| var baseUri = new Uri("https://example.com"); | ||
| var urlWithDotInQuery = "https://example.com/customer?weight=62.5"; | ||
| Assert.True(baseUri.IsBaseOfPage(urlWithDotInQuery)); | ||
| } | ||
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| // Regression tests using the actual BlazorWebView platform app origins (https://github.com/dotnet/maui/issues/25689). | ||
| // Android/Windows use https://0.0.0.1/ and iOS/MacCatalyst use app://0.0.0.1/ as the host origin, | ||
| // so the original ?weight=62.5 bug must be verified against those real origins, not just a generic host. | ||
| [Theory] | ||
| [InlineData("https://0.0.0.1/", "https://0.0.0.1/customer?weight=62.5", true)] // Android/Windows: dot in query | ||
| [InlineData("https://0.0.0.1/", "https://0.0.0.1/customer#section.1", true)] // Android/Windows: dot in fragment | ||
| [InlineData("https://0.0.0.1/", "https://0.0.0.1/customer.json", false)] // Android/Windows: real file extension | ||
| [InlineData("app://0.0.0.1/", "app://0.0.0.1/customer?weight=62.5", true)] // iOS/MacCatalyst: dot in query | ||
| [InlineData("app://0.0.0.1/", "app://0.0.0.1/customer#section.1", true)] // iOS/MacCatalyst: dot in fragment | ||
| [InlineData("app://0.0.0.1/", "app://0.0.0.1/customer.json", false)] // iOS/MacCatalyst: real file extension | ||
| public void IsBaseOfPage_HandlesPlatformAppOrigins(string baseUri, string uriString, bool expected) | ||
| { | ||
| var result = new Uri(baseUri).IsBaseOfPage(uriString); | ||
| Assert.Equal(expected, result); | ||
| } | ||
| } | ||
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❌ The new BlazorWebView unit tests are added as a project/solution entry, but they are not wired into the repo's unit-test execution lists.
eng/cake/dotnet.cakeonly enumerates specific patterns fordotnet-testand does not include**/MauiBlazorWebView.UnitTests.csproj;eng/helix.projlikewise lists eachXUnitProjectexplicitly and omits this project. As a result, the regression tests forIsBaseOfPagecan build in the solution but not run in the normal unit-test/Helix paths, so CI would not catch this bug regressing. Please add this project to the relevant unit-test runner lists.