70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
// SPDX-License-Identifier: LGPL-3.0-or-later
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// Copyright 2016-2025 Hristo Gochkov, Mathieu Carbou, Emil Muratov
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//
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// Query and send headers
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//
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#include <Arduino.h>
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#ifdef ESP32
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#include <AsyncTCP.h>
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#include <WiFi.h>
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#elif defined(ESP8266)
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#include <ESP8266WiFi.h>
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#include <ESPAsyncTCP.h>
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#elif defined(TARGET_RP2040) || defined(TARGET_RP2350) || defined(PICO_RP2040) || defined(PICO_RP2350)
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#include <RPAsyncTCP.h>
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#include <WiFi.h>
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#endif
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#include <ESPAsyncWebServer.h>
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static AsyncWebServer server(80);
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void setup() {
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Serial.begin(115200);
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#ifndef CONFIG_IDF_TARGET_ESP32H2
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WiFi.mode(WIFI_AP);
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WiFi.softAP("esp-captive");
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#endif
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//
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// curl -v http://192.168.4.1
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//
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server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
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//List all collected headers
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int headers = request->headers();
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int i;
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for (i = 0; i < headers; i++) {
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const AsyncWebHeader *h = request->getHeader(i);
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Serial.printf("HEADER[%s]: %s\n", h->name().c_str(), h->value().c_str());
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}
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AsyncWebServerResponse *response = request->beginResponse(200, "text/plain", "Hello World!");
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//Add header to the response
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response->addHeader("Server", "ESP Async Web Server");
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//Add multiple headers with the same name
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response->addHeader("Set-Cookie", "sessionId=38afes7a8", false);
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response->addHeader("Set-Cookie", "id=a3fWa; Max-Age=2592000", false);
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response->addHeader("Set-Cookie", "qwerty=219ffwef9w0f; Domain=example.com", false);
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//Remove specific header
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response->removeHeader("Set-Cookie", "sessionId=38afes7a8");
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//Remove all headers with the same name
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response->removeHeader("Set-Cookie");
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request->send(response);
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});
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server.begin();
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}
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void loop() {
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//Sleep in the loop task to not keep the CPU busy
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delay(1000);
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}
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