30 lines
927 B
Swift
30 lines
927 B
Swift
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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import Foundation
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import MobileCoreServices
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extension URL {
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func isToxURL() -> Bool {
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guard isFileURL else {
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return false
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}
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let request = URLRequest(url: self, cachePolicy: .useProtocolCachePolicy, timeoutInterval: 0.1)
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var response: URLResponse? = nil
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_ = try? NSURLConnection.sendSynchronousRequest(request, returning: &response)
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guard let mimeType = response?.mimeType else {
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return false
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}
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guard let identifier = UTTypeCreatePreferredIdentifierForTag(kUTTagClassMIMEType, mimeType as CFString, nil)?.takeRetainedValue() else {
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return false
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}
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return UTTypeEqual(identifier, kUTTypeData)
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}
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}
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