Function envFallbackProvider

auth/resolver.go:84–109

(provider ProviderID)

}

func envFallbackProvider(provider ProviderID) TokenProvider {
	switch provider {
	case ProviderAnthropic:
		if v := strings.TrimSpace(os.Getenv("ANTHROPIC_OAUTH_TOKEN")); v != "" {
			return &staticTokenProvider{token: v, mode: AuthModeOAuth, provider: provider, source: "env:ANTHROPIC_OAUTH_TOKEN"}
		}
		if v := strings.TrimSpace(os.Getenv("ANTHROPIC_API_KEY")); v != "" {
			return &staticTokenProvider{token: v, mode: AuthModeAPIKey, provider: provider, source: "env:ANTHROPIC_API_KEY"}
		}
	case ProviderOpenAI, ProviderOpenAICodex:
		if v := strings.TrimSpace(os.Getenv("OPENAI_API_KEY")); v != "" {
			return &staticTokenProvider{token: v, mode: AuthModeAPIKey, provider: provider, source: "env:OPENAI_API_KEY"}
		}
	case ProviderGitHubCopilot:
		if v := strings.TrimSpace(os.Getenv("GITHUB_COPILOT_TOKEN")); v != "" {
			return &staticTokenProvider{token: v, mode: AuthModeToken, provider: provider, source: "env:GITHUB_COPILOT_TOKEN"}
		}
	case ProviderGitHubModels:
		for _, envKey := range []string{"GITHUB_TOKEN", "GH_TOKEN", "GITHUB_MODELS_TOKEN"} {
			if v := strings.TrimSpace(os.Getenv(envKey)); v != "" {
				return &staticTokenProvider{token: v, mode: AuthModeToken, provider: provider, source: "env:" + envKey}
			}
		}
	}
	return nil
}

// ResolveAuth retains the legacy contract: it returns a prefixed-string
// representation ("oauth:...", "token:...", "apikey:...") plus metadata.