platform: modularize api/gui, add docs-tests-web foundation, and refresh root config

selective-vpn-api/app/autoloop_helpers_login.go

@@ -0,0 +1,89 @@
+package app
+
+import (
+	"fmt"
+	"os"
+	"strings"
+	"time"
+)
+
+func writeAutoloopLoginState(loginStateFile, state, email, msg string) {
+	ts := time.Now().Format(time.RFC3339)
+	payload := fmt.Sprintf(`{"ts":"%s","state":"%s","email":"%s","msg":"%s"}`,
+		ts,
+		escapeJSON(state),
+		escapeJSON(email),
+		escapeJSON(msg),
+	)
+	_ = os.WriteFile(loginStateFile, []byte(payload), 0o644)
+}
+
+func isAutoloopConnected(out string) bool {
+	low := strings.ToLower(out)
+	return strings.Contains(low, "vpn is connected") ||
+		strings.Contains(low, "connected to") ||
+		strings.Contains(low, "after connect: connected")
+}
+
+func parseAutoloopEmail(text string) string {
+	return autoloopEmailRe.FindString(text)
+}
+
+func isAutoloopLoginRequired(text string) bool {
+	low := strings.ToLower(text)
+	return strings.Contains(low, "please log in") ||
+		strings.Contains(low, "not logged in") ||
+		strings.Contains(low, "login required") ||
+		strings.Contains(low, "sign in")
+}
+
+func updateAutoloopLoginStateFromText(
+	text string,
+	writeState func(state, email, msg string),
+	logLine func(msg string),
+) {
+	if writeState == nil {
+		return
+	}
+	if isAutoloopLoginRequired(text) {
+		writeState("no_login", "", "NOT LOGGED IN")
+		if logLine != nil {
+			logLine("login: NO (detected from output)")
+		}
+		return
+	}
+	if em := parseAutoloopEmail(text); em != "" {
+		writeState("ok", em, "logged in")
+		if logLine != nil {
+			logLine("login: OK email=" + em)
+		}
+		return
+	}
+	low := strings.ToLower(text)
+	if strings.Contains(low, "not logged in") ||
+		strings.Contains(low, "expired") ||
+		strings.Contains(low, "no active license") {
+		writeState("no_login", "", "NOT LOGGED IN (license)")
+		if logLine != nil {
+			logLine("login: NO (license says not logged in)")
+		}
+		return
+	}
+
+	if strings.Contains(low, "license") &&
+		(strings.Contains(low, "active") || strings.Contains(low, "valid")) {
+		writeState("ok", "", "logged in (license ok)")
+		if logLine != nil {
+			logLine("login: OK (license ok, email not found)")
+		}
+		return
+	}
+}
+
+func escapeJSON(s string) string {
+	s = strings.ReplaceAll(s, `\`, `\\`)
+	s = strings.ReplaceAll(s, `"`, `\\"`)
+	s = strings.ReplaceAll(s, "\n", "\\n")
+	s = strings.ReplaceAll(s, "\r", "")
+	return s
+}