0001    // SSLIO.swift
0002    //
0003    // The MIT License (MIT)
0004    //
0005    // Copyright (c) 2015 Zewo
0006    //
0007    // Permission is hereby granted, free of charge, to any person obtaining a copy
0008    // of this software and associated documentation files (the "Software"), to deal
0009    // in the Software without restriction, including without limitation the rights
0010    // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
0011    // copies of the Software, and to permit persons to whom the Software is
0012    // furnished to do so, subject to the following conditions:
0013    //
0014    // The above copyright notice and this permission notice shall be included in all
0015    // copies or substantial portions of the Software.
0016    //
0017    // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0018    // IMPLIED, INCLUDINbG BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0019    // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
0020    // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
0021    // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
0022    // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
0023    // SOFTWARE.
0024    
0025    import COpenSSL
0026    @_exported import File
0027    
0028    public class IO
ClientStream.swift:33
    private let readIO: IO
ClientStream.swift:34
    private let writeIO: IO
Key.swift:36
		let bio = try IO(filePath: filePath)
ServerStream.swift:32
    private let readIO: IO
ServerStream.swift:33
    private let writeIO: IO
Session.swift:96
	public func setIO(readIO readIO: IO, writeIO: IO) {
Session.swift:96
	public func setIO(readIO readIO: IO, writeIO: IO) {
 {
0029    	
0030    	public enum Error
IO.swift:60
            throw Error.BIO(description: lastSSLErrorDescription)
IO.swift:71
                throw Error.ShouldRetry(description: lastSSLErrorDescription)
IO.swift:73
                throw Error.BIO(description: lastSSLErrorDescription)
IO.swift:96
                throw Error.ShouldRetry(description: lastSSLErrorDescription)
IO.swift:98
                throw Error.BIO(description: lastSSLErrorDescription)
: ErrorType {
0031    		case BIO
IO.swift:60
            throw Error.BIO(description: lastSSLErrorDescription)
IO.swift:73
                throw Error.BIO(description: lastSSLErrorDescription)
IO.swift:98
                throw Error.BIO(description: lastSSLErrorDescription)
(description: String)
0032    		case ShouldRetry
ClientStream.swift:95
            } catch IO.Error.ShouldRetry {
ClientStream.swift:109
            } catch IO.Error.ShouldRetry {}
IO.swift:71
                throw Error.ShouldRetry(description: lastSSLErrorDescription)
IO.swift:96
                throw Error.ShouldRetry(description: lastSSLErrorDescription)
ServerStream.swift:100
        } catch IO.Error.ShouldRetry {
(description: String)
0033    		case UnsupportedMethod(description: String)
0034    	}
0035    	
0036        public enum Method
IO.swift:55
	public init(method: Method) throws {
 {
0037    		case Memory
IO.swift:41
            case .Memory:
IO.swift:50
		try self.init(method: .Memory)

0038    
0039            var method
IO.swift:57
		bio = BIO_new(method.method)
: UnsafeMutablePointer<BIO_METHOD> {
0040                switch self {
0041                case .Memory:
0042                    return BIO_s_mem()
0043                }
0044            }
0045    	}
0046    
0047    	var bio
IO.swift:57
		bio = BIO_new(method.method)
IO.swift:59
        if bio == nil {
IO.swift:81
        return BIO_ctrl_pending(bio)
IO.swift:85
        return (bio.memory.flags & BIO_FLAGS_SHOULD_RETRY) != 0
Key.swift:37
		self.key = PEM_read_bio_PrivateKey(bio.bio, nil, nil, nil)
Session.swift:97
        SSL_set_bio(ssl, readIO.bio, writeIO.bio)
Session.swift:97
        SSL_set_bio(ssl, readIO.bio, writeIO.bio)
: UnsafeMutablePointer<BIO>
0048    	
0049    	public convenience init
Key.swift:36
		let bio = try IO(filePath: filePath)
(filePath: String) throws {
0050    		try self.init(method: .Memory)
0051    		let file = try File(path: filePath)
0052    		try write(file.read())
0053    	}
0054    
0055    	public init
IO.swift:50
		try self.init(method: .Memory)
(method: Method) throws {
0056    		OpenSSL.initialize()
0057    		bio = BIO_new(method.method)
0058    
0059            if bio == nil {
0060                throw Error.BIO(description: lastSSLErrorDescription)
0061            }
0062    	}
0063    
0064    	public func write(data: Data) throws -> Int {
0065            let result = data.withUnsafeBufferPointer {
0066                BIO_write(bio, $0.baseAddress, Int32($0.count))
0067            }
0068    
0069            if result < 0 {
0070                if shouldRetry {
0071                    throw Error.ShouldRetry(description: lastSSLErrorDescription)
0072                } else {
0073                    throw Error.BIO(description: lastSSLErrorDescription)
0074                }
0075            }
0076    
0077            return Int(result)
0078    	}
0079    
0080        public var pending: Int {
0081            return BIO_ctrl_pending(bio)
0082        }
0083    
0084        public var shouldRetry
IO.swift:70
            if shouldRetry {
IO.swift:95
            if shouldRetry {
: Bool {
0085            return (bio.memory.flags & BIO_FLAGS_SHOULD_RETRY) != 0
0086        }
0087    
0088    	public func read() throws -> Data {
0089            var data = Data.bufferWithSize(DEFAULT_BUFFER_SIZE)
0090            let result = data.withUnsafeMutableBufferPointer {
0091                BIO_read(bio, $0.baseAddress, Int32($0.count))
0092            }
0093    
0094            if result < 0 {
0095                if shouldRetry {
0096                    throw Error.ShouldRetry(description: lastSSLErrorDescription)
0097                } else {
0098                    throw Error.BIO(description: lastSSLErrorDescription)
0099                }
0100            }
0101    
0102            return data.prefix(Int(result))
0103    	}
0104    }
0105