wehub-resource-sync
47 lines
1.3 KiB
Swift
47 lines
1.3 KiB
Swift
import Foundation
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enum ServerURLError: LocalizedError, Equatable {
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case empty
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case invalid(String)
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case unsupportedScheme(String)
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case insecureHTTPNotAllowed
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var errorDescription: String? {
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switch self {
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case .empty:
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"Server URL is empty."
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case .invalid(let message):
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"Invalid URL: \(message)"
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case .unsupportedScheme(let scheme):
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"Unsupported scheme '\(scheme)'. Use https."
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case .insecureHTTPNotAllowed:
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"iOS release builds require https:// server URLs."
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}
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}
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}
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enum ServerURL {
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static func normalize(_ raw: String, allowsInsecureHTTP: Bool) throws -> URL {
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let trimmed = raw.trimmingCharacters(in: .whitespacesAndNewlines)
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if trimmed.isEmpty { throw ServerURLError.empty }
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let withScheme: String
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if trimmed.contains("://") {
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withScheme = trimmed
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} else {
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withScheme = "\(allowsInsecureHTTP ? "http" : "https")://\(trimmed)"
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}
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guard let url = URL(string: withScheme), let scheme = url.scheme?.lowercased() else {
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throw ServerURLError.invalid(withScheme)
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}
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guard scheme == "http" || scheme == "https" else {
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throw ServerURLError.unsupportedScheme(scheme)
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}
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if scheme == "http" && !allowsInsecureHTTP {
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throw ServerURLError.insecureHTTPNotAllowed
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}
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return url
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}
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}
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