43 lines
1.4 KiB
Swift
43 lines
1.4 KiB
Swift
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//
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// NWParameters+Gemini.swift
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// Gemini
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//
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// Created by Shadowfacts on 7/12/20.
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//
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import Network
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extension NWParameters {
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static var gemini: NWParameters {
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let tlsOptions = geminiTLSOptions
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let tcpOptions = NWProtocolTCP.Options()
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let parameters = NWParameters(tls: tlsOptions, tcp: tcpOptions)
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let geminiOptions = NWProtocolFramer.Options(definition: GeminiProtocol.definition)
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parameters.defaultProtocolStack.applicationProtocols.insert(geminiOptions, at: 0)
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return parameters
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}
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private static var geminiTLSOptions: NWProtocolTLS.Options {
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let options = NWProtocolTLS.Options()
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sec_protocol_options_set_min_tls_protocol_version(options.securityProtocolOptions, .TLSv12)
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// based on https://developer.apple.com/forums/thread/104018
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sec_protocol_options_set_verify_block(options.securityProtocolOptions, { (sec_protocol_metadata, sec_trust, sec_protocol_verify_complete) in
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let trust = sec_trust_copy_ref(sec_trust).takeRetainedValue()
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var error: CFError?
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if SecTrustEvaluateWithError(trust, &error) {
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sec_protocol_verify_complete(true)
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} else {
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// todo: prompt user to trust cert on first use
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sec_protocol_verify_complete(true)
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}
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}, .main)
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return options
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}
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}
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