func getCallerIdentities()

in http/server/otelaudit/otelaudit_helper.go [118:167]

• 41 lines of code
• 5 McCabe index (conditional complexity)

func getCallerIdentities(req *http.Request) map[msgs.CallerIdentityType][]msgs.CallerIdentityEntry {
	caller := make(map[msgs.CallerIdentityType][]msgs.CallerIdentityEntry)

	// Extract variables from the URL using gorilla/mux.
	// Assuming the router pattern follows the standard Azure format:
	// routePattern := "/{subscriptionId}/resourceGroups/{resourceGroup}/providers/{resourceProvider}/{resourceType}/{resourceName}"
	vars := mux.Vars(req)

	subscriptionID := vars[common.SubscriptionIDKey]
	if subscriptionID != "" {
		caller[msgs.SubscriptionID] = []msgs.CallerIdentityEntry{
			{
				Identity:    subscriptionID,
				Description: "client subscription ID",
			},
		}
	}

	clientAppID := req.Header.Get("x-ms-client-app-id")
	if clientAppID != "" {
		caller[msgs.ApplicationID] = []msgs.CallerIdentityEntry{
			{
				Identity:    clientAppID,
				Description: "client application ID",
			},
		}
	}

	clientPrincipalName := req.Header.Get("x-ms-client-principal-name")
	if clientPrincipalName != "" {
		caller[msgs.UPN] = []msgs.CallerIdentityEntry{
			{
				Identity:    clientPrincipalName,
				Description: "client principal name",
			},
		}
	}

	clientTenantID := req.Header.Get("x-ms-client-tenant-id")
	if clientTenantID != "" {
		caller[msgs.TenantID] = []msgs.CallerIdentityEntry{
			{
				Identity:    clientTenantID,
				Description: "client tenant ID",
			},
		}
	}

	return caller
}