43 lines
1.9 KiB
Swift
43 lines
1.9 KiB
Swift
import Foundation
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import OSLog
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/// Controller responsible for writing public keys to disk, so that they're easily accessible by scripts.
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public class PublicKeyFileStoreController {
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private let logger = Logger()
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private let directory: String
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private let keyWriter = OpenSSHKeyWriter()
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/// Initializes a PublicKeyFileStoreController.
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public init(homeDirectory: String) {
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directory = homeDirectory.appending("/PublicKeys")
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}
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/// Writes out the keys specified to disk.
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/// - Parameter secrets: The Secrets to generate keys for.
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/// - Parameter clear: Whether or not the directory should be erased before writing keys.
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public func generatePublicKeys(for secrets: [AnySecret], clear: Bool = false) throws {
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logger.log("Writing public keys to disk")
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if clear {
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try? FileManager.default.removeItem(at: URL(fileURLWithPath: directory))
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}
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try? FileManager.default.createDirectory(at: URL(fileURLWithPath: directory), withIntermediateDirectories: false, attributes: nil)
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for secret in secrets {
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let path = path(for: secret)
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guard let data = keyWriter.openSSHString(secret: secret).data(using: .utf8) else { continue }
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FileManager.default.createFile(atPath: path, contents: data, attributes: nil)
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}
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logger.log("Finished writing public keys")
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}
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/// The path for a Secret's public key.
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/// - Parameter secret: The Secret to return the path for.
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/// - Returns: The path to the Secret's public key.
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/// - Warning: This method returning a path does not imply that a key has been written to disk already. This method only describes where it will be written to.
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public func path<SecretType: Secret>(for secret: SecretType) -> String {
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let minimalHex = keyWriter.openSSHMD5Fingerprint(secret: secret).replacingOccurrences(of: ":", with: "")
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return directory.appending("/").appending("\(minimalHex).pub")
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}
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}
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