62 lines
1.7 KiB
C++
62 lines
1.7 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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// Make sure resumable downloads can be implemented (HEAD request / response and Range header)
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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 -I -X HEAD http://192.168.4.1/download
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HTTP/1.1 200 OK
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Content-Length: 1024
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Content-Type: application/octet-stream
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Connection: close
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Accept-Ranges: bytes
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*/
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// Ref: https://github.com/mathieucarbou/ESPAsyncWebServer/pull/80
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server.on("/download", HTTP_HEAD | HTTP_GET, [](AsyncWebServerRequest *request) {
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if (request->method() == HTTP_HEAD) {
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AsyncWebServerResponse *response = request->beginResponse(200, "application/octet-stream");
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response->addHeader(asyncsrv::T_Accept_Ranges, "bytes");
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response->addHeader(asyncsrv::T_Content_Length, 10);
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response->setContentLength(1024); // make sure we can overrides previously set content length
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response->addHeader(asyncsrv::T_Content_Type, "foo");
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response->setContentType("application/octet-stream"); // make sure we can overrides previously set content type
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// ...
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request->send(response);
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} else {
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// ...
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}
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});
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server.begin();
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}
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void loop() {
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delay(100);
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}
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