| 1 | import SwiftUI |
| 2 | |
| 3 | // Tamper-evidence failure banner (docs/tamper-evidence.md, #573): the native |
| 4 | // twin of the web's #integrity-banner. Shown ONLY when this space fails an |
| 5 | // integrity check (a fork/rollback/withheld/bad-signature the E2E rule is meant |
| 6 | // to make un-hideable) — never for "all clear" (a pulled /integrity self-check |
| 7 | // covers that). An inline band occupying layout, never a floating overlay; |
| 8 | // amber with a ⚠️ so it's never colour-alone. `onDetails` runs /integrity so |
| 9 | // the full read-out shows in place. |
| 10 | public struct IntegrityBanner: View { |
| 11 | @ObservedObject var monitor: IntegrityMonitor |
| 12 | let onDetails: () -> Void |
| 13 | |
| 14 | public init(monitor: IntegrityMonitor, onDetails: @escaping () -> Void) { |
| 15 | self.monitor = monitor |
| 16 | self.onDetails = onDetails |
| 17 | } |
| 18 | |
| 19 | private var title: String { |
| 20 | let n = monitor.unresolved.count |
| 21 | return n > 1 ? "Integrity check failed (\(n.formatted()) alerts)" : "Integrity check failed" |
| 22 | } |
| 23 | |
| 24 | private var message: String { |
| 25 | guard let latest = monitor.unresolved.last else { return "" } |
| 26 | return IntegrityMonitor.alertMessage(latest.kind) |
| 27 | + " Keep this device — its records are the evidence — and contact your space's admin." |
| 28 | } |
| 29 | |
| 30 | public var body: some View { |
| 31 | if !monitor.unresolved.isEmpty { |
| 32 | HStack(alignment: .top, spacing: 10) { |
| 33 | Image(systemName: "exclamationmark.triangle.fill") |
| 34 | .foregroundStyle(.white) |
| 35 | .accessibilityHidden(true) |
| 36 | VStack(alignment: .leading, spacing: 4) { |
| 37 | Text(title).font(.subheadline).bold() |
| 38 | Text(message).font(.footnote) |
| 39 | HStack(spacing: 8) { |
| 40 | Button("What's this?") { onDetails() } |
| 41 | .buttonStyle(.borderedProminent) |
| 42 | Button("Dismiss") { monitor.acknowledge() } |
| 43 | .buttonStyle(.bordered) |
| 44 | } |
| 45 | .controlSize(.small) |
| 46 | .padding(.top, 2) |
| 47 | } |
| 48 | Spacer(minLength: 0) |
| 49 | } |
| 50 | .foregroundStyle(.white) |
| 51 | .tint(.white) |
| 52 | .padding(.horizontal, 14) |
| 53 | .padding(.vertical, 10) |
| 54 | .frame(maxWidth: .infinity, alignment: .leading) |
| 55 | .background(Color(red: 0.72, green: 0.42, blue: 0.05)) // amber, holds in light + dark |
| 56 | .accessibilityElement(children: .contain) |
| 57 | .accessibilityLabel("Integrity check failed. \(message)") |
| 58 | } |
| 59 | } |
| 60 | } |
| 61 | |
amadan