wehub-resource-sync
54 lines
1.8 KiB
Swift
54 lines
1.8 KiB
Swift
import Foundation
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public enum Sub2APISettingsError: LocalizedError, Equatable, Sendable {
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case invalidBaseURL
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public var errorDescription: String? {
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"sub2api base URL must use HTTPS, or loopback HTTP for local development, without embedded credentials."
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}
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}
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public enum Sub2APISettingsReader {
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public static let apiKeyEnvironmentKey = "SUB2API_API_KEY"
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public static let baseURLEnvironmentKey = "SUB2API_BASE_URL"
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public static func apiKey(
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environment: [String: String] = ProcessInfo.processInfo.environment) -> String?
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{
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self.cleaned(environment[self.apiKeyEnvironmentKey])
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}
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public static func baseURL(
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environment: [String: String] = ProcessInfo.processInfo.environment) -> URL?
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{
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guard let raw = self.cleaned(environment[self.baseURLEnvironmentKey]) else { return nil }
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let validator = ProviderEndpointOverrideValidator()
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guard let url = validator.validatedURLAllowingLoopbackHTTP(raw),
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url.query == nil,
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url.fragment == nil
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else { return nil }
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return url
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}
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public static func validateBaseURL(
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environment: [String: String] = ProcessInfo.processInfo.environment) throws
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{
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guard self.baseURL(environment: environment) != nil else {
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throw Sub2APISettingsError.invalidBaseURL
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}
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}
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static func cleaned(_ raw: String?) -> String? {
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guard var value = raw?.trimmingCharacters(in: .whitespacesAndNewlines), !value.isEmpty else {
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return nil
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}
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if (value.hasPrefix("\"") && value.hasSuffix("\"")) ||
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(value.hasPrefix("'") && value.hasSuffix("'"))
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{
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value = String(value.dropFirst().dropLast())
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}
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value = value.trimmingCharacters(in: .whitespacesAndNewlines)
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return value.isEmpty ? nil : value
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}
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}
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