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29 lines
1.1 KiB
Swift
29 lines
1.1 KiB
Swift
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@objc public final class ContactParser : NSObject {
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private let data: Data
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@objc public init(data: Data) {
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self.data = data
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}
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@objc public func parseHexEncodedPublicKeys() -> [String] {
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var index = 0
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var result: [String] = []
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while index < data.endIndex {
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var uncheckedSize: UInt32? = try? data[index..<(index+4)].withUnsafeBytes { $0.pointee }
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if let size = uncheckedSize, size >= data.count, let intermediate = try? data[index..<(index+4)].reversed() {
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uncheckedSize = Data(intermediate).withUnsafeBytes { $0.pointee }
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}
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guard let size = uncheckedSize, size < data.count else { break }
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let sizeAsInt = Int(size)
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index += 4
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guard index + sizeAsInt <= data.count else { break }
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let protoAsData = data[index..<(index+sizeAsInt)]
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guard let proto = try? SSKProtoContactDetails.parseData(protoAsData) else { break }
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index += sizeAsInt
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result.append(proto.number)
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}
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return result
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}
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}
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