2020-10-16 00:04:12 +02:00
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// Captive portal with (arduino) OTA + SPIFFS
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#include <Arduino.h>
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#include <ESP8266WiFi.h>
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#include <ESP8266mDNS.h>
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#include <WiFiUdp.h>
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#include <ArduinoOTA.h> // Over-the-Air updates
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#include <ESP8266WebServer.h>
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#include "./DNSServer.h" // Dns server
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#include <FS.h> // SPIFFS
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DNSServer dnsServer;
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const byte DNS_PORT = 53;
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ESP8266WebServer server(80);
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#ifndef STASSID
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2020-10-16 01:34:41 +02:00
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#define STASSID "%Location????????"
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2020-10-16 00:04:12 +02:00
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//#define STASPSK "mypassword"
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#endif
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IPAddress apIP(192, 168, 4, 1);
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const char* ssid = STASSID;
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//const char* password = STAPSK;
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void setup() {
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Serial.begin(115200);
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Serial.println("Booting");
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WiFi.mode(WIFI_AP);
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WiFi.softAPConfig(apIP, apIP, IPAddress(255, 255, 255, 0));
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WiFi.softAP(ssid);
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dnsServer.start(DNS_PORT, "*", apIP); // redirect dns request to AP ip
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2020-10-16 01:34:41 +02:00
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MDNS.begin("opencoil", WiFi.softAPIP());
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2020-10-16 00:04:12 +02:00
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Serial.println("Ready");
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Serial.print("IP address: ");
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Serial.println(WiFi.softAPIP());
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//Over-the-Air updates
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2020-10-16 01:34:41 +02:00
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ArduinoOTA.setHostname("opencoil");
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2020-10-16 00:04:12 +02:00
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//ArduinoOTA.setPassword("change-me"); //disabled to allow data uploads
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ArduinoOTA.begin();
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SPIFFS.begin();
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//redirect all traffic to index.html
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server.onNotFound([]() {
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if(!handleFileRead(server.uri())){
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const char *metaRefreshStr = "<head><meta http-equiv=\"refresh\" content=\"0; url=http://192.168.4.1/index.html\" /></head><body><p>redirecting...</p></body>";
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server.send(200, "text/html", metaRefreshStr);
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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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dnsServer.processNextRequest();
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ArduinoOTA.handle();
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server.handleClient();
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delay(50);
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}
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String getContentType(String filename){
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if(server.hasArg("download")) return "application/octet-stream";
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else if(filename.endsWith(".htm")) return "text/html";
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else if(filename.endsWith(".html")) return "text/html";
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else if(filename.endsWith(".css")) return "text/css";
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else if(filename.endsWith(".js")) return "application/javascript";
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else if(filename.endsWith(".png")) return "image/png";
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else if(filename.endsWith(".gif")) return "image/gif";
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else if(filename.endsWith(".jpg")) return "image/jpeg";
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else if(filename.endsWith(".ico")) return "image/x-icon";
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else if(filename.endsWith(".xml")) return "text/xml";
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else if(filename.endsWith(".mp4")) return "video/mp4";
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else if(filename.endsWith(".pdf")) return "application/x-pdf";
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else if(filename.endsWith(".zip")) return "application/x-zip";
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else if(filename.endsWith(".gz")) return "application/x-gzip";
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return "text/plain";
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}
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//Given a file path, look for it in the SPIFFS file storage. Returns true if found, returns false if not found.
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bool handleFileRead(String path){
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if(path.endsWith("/")) path += "index.html";
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String contentType = getContentType(path);
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String pathWithGz = path + ".gz";
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if(SPIFFS.exists(pathWithGz) || SPIFFS.exists(path)){
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if(SPIFFS.exists(pathWithGz))
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path += ".gz";
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File file = SPIFFS.open(path, "r");
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size_t sent = server.streamFile(file, contentType);
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file.close();
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return true;
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}
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return false;
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}
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