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refactor(canvas): host A2UI via gateway

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This commit is contained in:
Peter Steinberger
2025-12-20 12:17:27 +00:00
parent 13ebbd1a2b
commit ed001a5f55
28 changed files with 385 additions and 354 deletions
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39
apps/macos/Sources/Clawdis/CanvasSchemeHandler.swift
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@@ -8,8 +8,6 @@ private let canvasLogger = Logger(subsystem: "com.steipete.clawdis", category: "
final class CanvasSchemeHandler: NSObject, WKURLSchemeHandler {
private let root: URL
private static let builtinPrefix = "__clawdis__/a2ui"
init(root: URL) {
self.root = root
}
@@ -67,10 +65,6 @@ final class CanvasSchemeHandler: NSObject, WKURLSchemeHandler {
if path.hasPrefix("/") { path.removeFirst() }
path = path.removingPercentEncoding ?? path
if let builtin = self.builtinResponse(requestPath: path) {
return builtin
}
// Special-case: welcome page when root index is missing.
if path.isEmpty {
let indexA = sessionRoot.appendingPathComponent("index.html", isDirectory: false)
@@ -78,7 +72,7 @@ final class CanvasSchemeHandler: NSObject, WKURLSchemeHandler {
if !FileManager.default.fileExists(atPath: indexA.path),
!FileManager.default.fileExists(atPath: indexB.path)
{
return self.a2uiShellPage(sessionRoot: sessionRoot)
return self.scaffoldPage(sessionRoot: sessionRoot)
}
}
@@ -204,7 +198,7 @@ final class CanvasSchemeHandler: NSObject, WKURLSchemeHandler {
return self.html(body, title: "Canvas")
}
private func a2uiShellPage(sessionRoot: URL) -> CanvasResponse {
private func scaffoldPage(sessionRoot: URL) -> CanvasResponse {
// Default Canvas UX: when no index exists, show the built-in scaffold page.
if let data = self.loadBundledResourceData(relativePath: "CanvasScaffold/scaffold.html") {
return CanvasResponse(mime: "text/html", data: data)
@@ -214,35 +208,6 @@ final class CanvasSchemeHandler: NSObject, WKURLSchemeHandler {
return self.welcomePage(sessionRoot: sessionRoot)
}
private func builtinResponse(requestPath: String) -> CanvasResponse? {
let trimmed = requestPath.trimmingCharacters(in: .whitespacesAndNewlines)
guard !trimmed.isEmpty else { return nil }
guard trimmed == Self.builtinPrefix
|| trimmed == Self.builtinPrefix + "/"
|| trimmed.hasPrefix(Self.builtinPrefix + "/")
else { return nil }
let relative = if trimmed == Self.builtinPrefix || trimmed == Self.builtinPrefix + "/" {
"index.html"
} else {
String(trimmed.dropFirst((Self.builtinPrefix + "/").count))
}
if relative.isEmpty { return self.html("Not Found", title: "Canvas: 404") }
if relative.contains("..") || relative.contains("\\") {
return self.html("Forbidden", title: "Canvas: 403")
}
guard let data = self.loadBundledResourceData(relativePath: "CanvasA2UI/\(relative)") else {
return self.html("Not Found", title: "Canvas: 404")
}
let ext = (relative as NSString).pathExtension
let mime = CanvasScheme.mimeType(forExtension: ext)
return CanvasResponse(mime: mime, data: data)
}
private func loadBundledResourceData(relativePath: String) -> Data? {
let trimmed = relativePath.trimmingCharacters(in: .whitespacesAndNewlines)
guard !trimmed.isEmpty else { return nil }