68 lines
2.2 KiB
Swift
68 lines
2.2 KiB
Swift
//
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// Copyright 2022-2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only
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// Please see LICENSE in the repository root for full details.
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//
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import Foundation
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import MatrixSDK
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@objcMembers
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/// URL validation result object
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class URLValidationResult: NSObject {
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/// Should confirm the tapped url
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let shouldShowConfirmationAlert: Bool
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/// User visible string the user tapped
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let visibleURLString: String?
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init(shouldShowConfirmationAlert: Bool,
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visibleURLString: String?) {
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self.shouldShowConfirmationAlert = shouldShowConfirmationAlert
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self.visibleURLString = visibleURLString
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super.init()
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}
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static let passed = URLValidationResult(shouldShowConfirmationAlert: false,
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visibleURLString: nil)
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}
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@objcMembers
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class URLValidator: NSObject {
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/// Validated tapped url in the given event
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/// - Parameters:
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/// - url: User tapped URL
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/// - event: Event containing the link
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/// - Returns: Validation result
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static func validateTappedURL(_ url: URL, in event: MXEvent) -> URLValidationResult {
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guard let content = event.content else {
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return .passed
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}
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if let format = content["format"] as? String,
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let formattedBody = content["formatted_body"] as? String {
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if format == kMXRoomMessageFormatHTML {
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if let visibleURL = FormattedBodyParser().getVisibleURL(forURL: url, inFormattedBody: formattedBody),
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url != visibleURL {
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// urls are different, show confirmation alert
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return .init(shouldShowConfirmationAlert: true,
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visibleURLString: visibleURL.absoluteString)
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}
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}
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}
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if let body = event.content[kMXMessageBodyKey] as? String,
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body.vc_containsRTLOverride(),
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body != url.absoluteString {
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// we don't know where the url is in the body, assuming visibleString is just a reverse of the url
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return .init(shouldShowConfirmationAlert: true,
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visibleURLString: url.absoluteString.vc_reversed())
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}
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return .passed
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}
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}
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