wehub-resource-sync
53 lines
2.2 KiB
Swift
53 lines
2.2 KiB
Swift
import Foundation
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/// Reads CrossModel settings from environment variables.
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public enum CrossModelSettingsReader {
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/// Environment variable key for the CrossModel API token.
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public static let envKey = "CROSSMODEL_API_KEY"
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/// Environment variable key for an optional API base URL override.
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public static let urlEnvKey = "CROSSMODEL_API_URL"
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/// Returns the API token from environment if present and non-empty.
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public static func apiToken(environment: [String: String] = ProcessInfo.processInfo.environment) -> String? {
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self.cleaned(environment[self.envKey])
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}
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/// Returns the API base URL, defaulting to the production endpoint.
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public static func apiURL(environment: [String: String] = ProcessInfo.processInfo.environment) -> URL {
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if let override = self.validAPIURL(environment: environment) {
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return override
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}
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return URL(string: "https://api.crossmodel.ai/v1")!
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}
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public static func validateEndpointOverrides(
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environment: [String: String] = ProcessInfo.processInfo.environment) throws
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{
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guard let raw = self.cleaned(environment[self.urlEnvKey]) else { return }
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// Loopback HTTP is allowed so the provider can be exercised end-to-end
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// against a locally running gateway during development.
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guard ProviderEndpointOverrideValidator().validatedURLAllowingLoopbackHTTP(raw) == nil else { return }
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throw CrossModelSettingsError.invalidEndpointOverride(self.urlEnvKey)
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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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private static func validAPIURL(environment: [String: String]) -> URL? {
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guard let raw = self.cleaned(environment[self.urlEnvKey]) else { return nil }
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return ProviderEndpointOverrideValidator().validatedURLAllowingLoopbackHTTP(raw)
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}
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}
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