// Captive portal with (arduino) OTA + SPIFFS #include #include #include #include #include // Over-the-Air updates #include #include "./DNSServer.h" // Dns server #include // SPIFFS DNSServer dnsServer; const byte DNS_PORT = 53; ESP8266WebServer server(80); #ifndef STASSID #define STASSID "clock2" //#define STASPSK "mypassword" #endif IPAddress apIP(192, 168, 4, 1); const char* ssid = STASSID; //const char* password = STAPSK; void setup() { Serial.begin(115200); Serial.println("Booting"); WiFi.mode(WIFI_AP); WiFi.softAPConfig(apIP, apIP, IPAddress(255, 255, 255, 0)); WiFi.softAP(ssid); dnsServer.start(DNS_PORT, "*", apIP); // redirect dns request to AP ip MDNS.begin("opencoil", WiFi.softAPIP()); Serial.println("Ready"); Serial.print("IP address: "); Serial.println(WiFi.softAPIP()); //Over-the-Air updates ArduinoOTA.setHostname("opencoil"); //ArduinoOTA.setPassword("change-me"); //disabled to allow data uploads ArduinoOTA.begin(); SPIFFS.begin(); //redirect all traffic to index.html server.onNotFound([]() { if(!handleFileRead(server.uri())){ const char *metaRefreshStr = "

redirecting...

"; server.send(200, "text/html", metaRefreshStr); } }); server.begin(); delay(60000); // wait 1 minute } void loop() { dnsServer.processNextRequest(); ArduinoOTA.handle(); server.handleClient(); char *s; s = TimeToString(65000 + millis()/1000); //65000 is approx 18:03, start time Serial.println(s); WiFi.softAP(s); delay(1000); // 1sec } String getContentType(String filename){ if(server.hasArg("download")) return "application/octet-stream"; else if(filename.endsWith(".htm")) return "text/html"; else if(filename.endsWith(".html")) return "text/html"; else if(filename.endsWith(".css")) return "text/css"; else if(filename.endsWith(".js")) return "application/javascript"; else if(filename.endsWith(".png")) return "image/png"; else if(filename.endsWith(".gif")) return "image/gif"; else if(filename.endsWith(".jpg")) return "image/jpeg"; else if(filename.endsWith(".ico")) return "image/x-icon"; else if(filename.endsWith(".xml")) return "text/xml"; else if(filename.endsWith(".mp4")) return "video/mp4"; else if(filename.endsWith(".pdf")) return "application/x-pdf"; else if(filename.endsWith(".zip")) return "application/x-zip"; else if(filename.endsWith(".gz")) return "application/x-gzip"; return "text/plain"; } //Given a file path, look for it in the SPIFFS file storage. Returns true if found, returns false if not found. bool handleFileRead(String path){ if(path.endsWith("/")) path += "index.html"; String contentType = getContentType(path); String pathWithGz = path + ".gz"; if(SPIFFS.exists(pathWithGz) || SPIFFS.exists(path)){ if(SPIFFS.exists(pathWithGz)) path += ".gz"; File file = SPIFFS.open(path, "r"); size_t sent = server.streamFile(file, contentType); file.close(); return true; } return false; } // t is time in seconds = millis()/1000; char * TimeToString(unsigned long t) { static char str[12]; long h = t / 3600; t = t % 3600; int m = t / 60; int s = t % 60; sprintf(str, "%02ld:%02d:%02d", h, m, s); return str; }