Fist commit

src/web/Cookies.h

@@ -0,0 +1,46 @@
+#pragma once
+
+#include <Arduino.h>
+
+#include <cstdint>
+
+namespace timbre {
+
+inline String cookieValue(const String& cookieHeader, const char* name) {
+  if (cookieHeader.isEmpty() || name == nullptr) {
+    return String();
+  }
+  const String prefix = String(name) + "=";
+  std::size_t start = 0;
+  while (start < cookieHeader.length()) {
+    std::size_t end = cookieHeader.indexOf(';', start);
+    if (end == String::npos) {
+      end = cookieHeader.length();
+    }
+    String item = cookieHeader.substring(start, end);
+    item.trim();
+    if (item.startsWith(prefix)) {
+      String value = item.substring(prefix.length());
+      value.trim();
+      if (value.length() <= 128) {
+        return value;
+      }
+      return String();
+    }
+    start = end + 1;
+  }
+  return String();
+}
+
+inline String sessionCookieHeader(const String& token,
+                                  std::uint32_t maxAgeSeconds) {
+  return String("Set-Cookie: esp_sid=") + token +
+         "; Path=/; HttpOnly; SameSite=Strict; Max-Age=" +
+         String(maxAgeSeconds);
+}
+
+inline String clearSessionCookieHeader() {
+  return F("Set-Cookie: esp_sid=; Path=/; HttpOnly; SameSite=Strict; Max-Age=0");
+}
+
+}  // namespace timbre