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[release/10.0.1xx-preview5] [HybridWebView] Fix some issues with the interception, typescript and other features #29842

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Merged
rmarinho merged 4 commits into from
Jun 5, 2025
Merged

[release/10.0.1xx-preview5] [HybridWebView] Fix some issues with the interception, typescript and other features #29842

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9485e10
Sometimes the OS changes the header casing
mattleibow Jun 4, 2025
aa573b5
fix some more issues
mattleibow Jun 5, 2025
706127a
This should work... It was like this before
mattleibow Jun 5, 2025
86e6e46
Better support for older devices and skip API 24
mattleibow Jun 5, 2025
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4 changes: 2 additions & 2 deletions src/Controls/src/Core/HybridWebView/HybridWebViewWebResourceRequestedEventArgs.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -50,13 +50,13 @@ public HybridWebViewWebResourceRequestedEventArgs(Uri uri, string method)
/// Gets the headers associated with the request.
/// </summary>
public IReadOnlyDictionary<string, string> Headers =>
_headers ??= PlatformArgs?.GetRequestHeaders() ?? new Dictionary<string, string>();
_headers ??= PlatformArgs?.GetRequestHeaders() ?? new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);

/// <summary>
/// Gets the query parameters from the URI.
/// </summary>
public IReadOnlyDictionary<string, string> QueryParameters =>
_queryParams ??= WebUtils.ParseQueryString(Uri, false) ?? new Dictionary<string, string>();
_queryParams ??= WebUtils.ParseQueryString(Uri, false) ?? new Dictionary<string, string>(StringComparer.Ordinal);

/// <summary>
/// Gets or sets a value indicating whether the request has been handled.
Expand Down
114 changes: 26 additions & 88 deletions src/Controls/src/Core/HybridWebView/PlatformHybridWebViewWebResourceRequestedEventArgs.cs
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Expand Up @@ -11,6 +11,9 @@ namespace Microsoft.Maui.Controls;
public class PlatformHybridWebViewWebResourceRequestedEventArgs
{
#if WINDOWS

IReadOnlyDictionary<string, string>? _headers;

internal PlatformHybridWebViewWebResourceRequestedEventArgs(
global::Microsoft.Web.WebView2.Core.CoreWebView2 sender,
global::Microsoft.Web.WebView2.Core.CoreWebView2WebResourceRequestedEventArgs eventArgs)
Expand Down Expand Up @@ -53,50 +56,13 @@ internal PlatformHybridWebViewWebResourceRequestedEventArgs(WebResourceRequested

internal string? GetRequestMethod() => Request.Method;

internal IReadOnlyDictionary<string, string>? GetRequestHeaders() => new WrappedHeadersDictionary(Request.Headers);

class WrappedHeadersDictionary : IReadOnlyDictionary<string, string>
{
private global::Microsoft.Web.WebView2.Core.CoreWebView2HttpRequestHeaders _headers;

public WrappedHeadersDictionary(global::Microsoft.Web.WebView2.Core.CoreWebView2HttpRequestHeaders headers)
{
_headers = headers;
}

public string this[string key] =>
_headers.Contains(key)
? _headers.GetHeader(key)
: throw new KeyNotFoundException($"The key '{key}' was not found.");

public IEnumerable<string> Keys =>
_headers.Select(header => header.Key);

public IEnumerable<string> Values =>
_headers.Select(header => header.Value);

public int Count => _headers.Count();

public bool ContainsKey(string key) => _headers.Contains(key);

public bool TryGetValue(string key, out string value)
{
if (_headers.Contains(key))
{
value = _headers.GetHeader(key);
return true;
}
value = string.Empty;
return false;
}

public IEnumerator<KeyValuePair<string, string>> GetEnumerator() => _headers.GetEnumerator();

IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
}
internal IReadOnlyDictionary<string, string> GetRequestHeaders() =>
_headers ??= new Dictionary<string, string>(Request.Headers, StringComparer.OrdinalIgnoreCase);

#elif IOS || MACCATALYST

IReadOnlyDictionary<string, string>? _headers;

internal PlatformHybridWebViewWebResourceRequestedEventArgs(
global::WebKit.WKWebView sender,
global::WebKit.IWKUrlSchemeTask urlSchemeTask)
Expand Down Expand Up @@ -139,61 +105,30 @@ internal PlatformHybridWebViewWebResourceRequestedEventArgs(WebResourceRequested

internal string? GetRequestMethod() => Request.HttpMethod;

internal IReadOnlyDictionary<string, string>? GetRequestHeaders() => new WrappedHeadersDictionary(Request.Headers);
internal IReadOnlyDictionary<string, string> GetRequestHeaders() =>
_headers ??= CreateHeadersDictionary();

class WrappedHeadersDictionary : IReadOnlyDictionary<string, string>
Dictionary<string, string> CreateHeadersDictionary()
{
Foundation.NSDictionary _headers;

public WrappedHeadersDictionary(Foundation.NSDictionary headers)
{
_headers = headers;
}

public string this[string key] =>
TryGetValue(key, out var value)
? value
: throw new KeyNotFoundException($"The key '{key}' was not found.");

public IEnumerable<string> Keys => _headers.Keys.Select(k => k.ToString());

public IEnumerable<string> Values => _headers.Values.Select(v => v.ToString());

public int Count => (int)_headers.Count;

public bool ContainsKey(string key)
var headers = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
if (Request.Headers is { } rh)
{
using var nskey = new Foundation.NSString(key);
return _headers.ContainsKey(nskey);
}

public bool TryGetValue(string key, out string value)
{
using var nsKey = new Foundation.NSString(key);
if (_headers.ContainsKey(nsKey))
foreach (var key in rh.Keys)
{
value = _headers[nsKey].ToString();
return true;
if (key is Foundation.NSString keyString)
{
headers[keyString] = rh[keyString].ToString();
}
}
value = string.Empty;
return false;
}

public IEnumerator<KeyValuePair<string, string>> GetEnumerator()
{
foreach (var pair in _headers)
{
yield return new KeyValuePair<string, string>(pair.Key.ToString(), pair.Value.ToString());
}
}

IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
return headers;
}

#elif ANDROID

Action<global::Android.Webkit.WebResourceResponse?> _setResponse;
private global::Android.Webkit.WebResourceResponse? _response;
global::Android.Webkit.WebResourceResponse? _response;
IReadOnlyDictionary<string, string>? _headers;

internal PlatformHybridWebViewWebResourceRequestedEventArgs(
global::Android.Webkit.WebView sender,
Expand Down Expand Up @@ -228,9 +163,9 @@ internal PlatformHybridWebViewWebResourceRequestedEventArgs(WebResourceRequested

/// <summary>
/// Gets or sets the native response to return to the web view.
///
///
/// This property must be set to a valid response if the <see cref="HybridWebViewWebResourceRequestedEventArgs.Handled"/> property is set to true.
///
///
/// This is only available on Android.
/// </summary>
public global::Android.Webkit.WebResourceResponse? Response
Expand All @@ -247,7 +182,10 @@ internal PlatformHybridWebViewWebResourceRequestedEventArgs(WebResourceRequested

internal string? GetRequestMethod() => Request.Method;

internal IReadOnlyDictionary<string, string>? GetRequestHeaders() => Request.RequestHeaders?.AsReadOnly();
internal IReadOnlyDictionary<string, string> GetRequestHeaders() =>
_headers ??= Request.RequestHeaders is { } rh
? new Dictionary<string, string>(rh, StringComparer.OrdinalIgnoreCase)
: new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);

#else

Expand Down
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