mirror of
https://github.com/vector-im/element-ios.git
synced 2024-10-01 00:32:41 +00:00
76 lines
2.7 KiB
Swift
76 lines
2.7 KiB
Swift
//
|
|
// Copyright 2022 New Vector Ltd
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
//
|
|
|
|
import Foundation
|
|
import MatrixSDK
|
|
|
|
@objcMembers
|
|
/// URL validation result object
|
|
class URLValidationResult: NSObject {
|
|
|
|
/// Should confirm the tapped url
|
|
let shouldShowConfirmationAlert: Bool
|
|
/// User visible string the user tapped
|
|
let visibleURLString: String?
|
|
|
|
init(shouldShowConfirmationAlert: Bool,
|
|
visibleURLString: String?) {
|
|
self.shouldShowConfirmationAlert = shouldShowConfirmationAlert
|
|
self.visibleURLString = visibleURLString
|
|
super.init()
|
|
}
|
|
|
|
static let passed = URLValidationResult(shouldShowConfirmationAlert: false,
|
|
visibleURLString: nil)
|
|
}
|
|
|
|
@objcMembers
|
|
class URLValidator: NSObject {
|
|
|
|
/// Validated tapped url in the given event
|
|
/// - Parameters:
|
|
/// - url: User tapped URL
|
|
/// - event: Event containing the link
|
|
/// - Returns: Validation result
|
|
static func validateTappedURL(_ url: URL, in event: MXEvent) -> URLValidationResult {
|
|
guard let content = event.content else {
|
|
return .passed
|
|
}
|
|
|
|
if let format = content["format"] as? String,
|
|
let formattedBody = content["formatted_body"] as? String {
|
|
if format == kMXRoomMessageFormatHTML {
|
|
if let visibleURL = FormattedBodyParser().getVisibleURL(forURL: url, inFormattedBody: formattedBody),
|
|
url != visibleURL {
|
|
// urls are different, show confirmation alert
|
|
return .init(shouldShowConfirmationAlert: true,
|
|
visibleURLString: visibleURL.absoluteString)
|
|
}
|
|
}
|
|
}
|
|
|
|
if let body = event.content[kMXMessageBodyKey] as? String,
|
|
body.vc_containsRTLOverride(),
|
|
body != url.absoluteString {
|
|
// we don't know where the url is in the body, assuming visibleString is just a reverse of the url
|
|
return .init(shouldShowConfirmationAlert: true,
|
|
visibleURLString: url.absoluteString.vc_reversed())
|
|
}
|
|
|
|
return .passed
|
|
}
|
|
|
|
}
|