esp12 web server

CASELLA DI TESTO

#include <ESP8266WiFi.h>

#include <DNSServer.h>

#include <ESP8266WebServer.h>

#include <FS.h>

const byte DNS_PORT = 53;

IPAddress apIP(192, 168, 1, 1);

DNSServer dnsServer;

ESP8266WebServer webServer(80);

File fsUploadFile;

//*******************************************

void handleFileDelete(){

if(webServer.args() == 0) return webServer.send(500, "text/plain", "BAD ARGS");

String path = webServer.arg(0);

//DBG_OUTPUT_PORT.println("handleFileDelete: " + path);

if(path == "/")

return webServer.send(500, "text/plain", "BAD PATH");

if(!SPIFFS.exists(path))

return webServer.send(404, "text/plain", "FileNotFound");

SPIFFS.remove(path);

webServer.send(200, "text/plain", "");

path = String();

}

String getContentType(String filename){

if(webServer.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(".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";

}

bool handleFileRead(String path){

//DBG_OUTPUT_PORT.println("handleFileRead: " + path);

if(path.endsWith("/")) path += "index.htm";

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 = webServer.streamFile(file, contentType);

file.close();

return true;

}

return false;

}

void handleFileUpload(){

if(webServer.uri() != "/edit") return;

HTTPUpload& upload = webServer.upload();

if(upload.status == UPLOAD_FILE_START){

String filename = upload.filename;

if(!filename.startsWith("/")) filename = "/"+filename;

//DBG_OUTPUT_PORT.print("handleFileUpload Name: "); DBG_OUTPUT_PORT.println(filename);

fsUploadFile = SPIFFS.open(filename, "w");

filename = String();

} else if(upload.status == UPLOAD_FILE_WRITE){

//DBG_OUTPUT_PORT.print("handleFileUpload Data: "); DBG_OUTPUT_PORT.println(upload.currentSize);

if(fsUploadFile)

fsUploadFile.write(upload.buf, upload.currentSize);

} else if(upload.status == UPLOAD_FILE_END){

if(fsUploadFile)

fsUploadFile.close();

//DBG_OUTPUT_PORT.print("handleFileUpload Size: "); DBG_OUTPUT_PORT.println(upload.totalSize);

}

}

void handleFileList() {

//if(!webServer.hasArg("dir")) {webServer.send(500, "text/plain", "BAD ARGS"); return;}

String path = webServer.arg("dir");

//DBG_OUTPUT_PORT.println("handleFileList: " + path);

Dir dir = SPIFFS.openDir(path);

path = String();

String output = "[";

while(dir.next()){

File entry = dir.openFile("r");

if (output != "[") output += ',';

bool isDir = false;

output += "{\"type\":\"";

output += (isDir)?"dir":"file";

output += "\",\"name\":\"";

output += String(entry.name()).substring(1);

output += "\"}";

entry.close();

}

output += "]";

webServer.send(200, "text/json", output);

}

//**********************************************

void setup() {

delay(1000);

Serial.begin(9600);

//***********

SPIFFS.begin();

{

Dir dir = SPIFFS.openDir("/");

while (dir.next()) {

String fileName = dir.fileName();

size_t fileSize = dir.fileSize();

// DBG_OUTPUT_PORT.printf("FS File: %s, size: %s\n", fileName.c_str(), formatBytes(fileSize).c_str());

}

//DBG_OUTPUT_PORT.printf("\n");

}

//**********************

WiFi.mode(WIFI_AP);

WiFi.softAPConfig(apIP, apIP, IPAddress(255, 255, 255, 0));

WiFi.softAP("Costycnc machine");

// modify TTL associated with the domain name (in seconds)

// default is 60 seconds

dnsServer.setTTL(300);

// set which return code will be used for all other domains (e.g. sending

// ServerFailure instead of NonExistentDomain will reduce number of queries

// sent by clients)

// default is DNSReplyCode::NonExistentDomain

dnsServer.setErrorReplyCode(DNSReplyCode::ServerFailure);

// start DNS server for a specific domain name

dnsServer.start(DNS_PORT, "costycnc.it", apIP);

// simple HTTP server to see that DNS server is working

webServer.on("/inline", [](){

webServer.send(200, "text/html", "<html>this works as well</br><a href='/'>acasa</a></html>");

});

//**********************************************

webServer.on("/list", HTTP_GET, handleFileList);

webServer.on("/edit", HTTP_POST, [](){ webServer.send(200, "text/plain", ""); }, handleFileUpload);

webServer.on("/edit", HTTP_DELETE, handleFileDelete);

webServer.onNotFound([](){

if(!handleFileRead(webServer.uri()))

webServer.send(404, "text/plain", "FileNotFound");

});

webServer.on("/all", HTTP_GET, [](){

String json = "{";

json += "\"heap\":"+String(ESP.getFreeHeap());

json += ", \"analog\":"+String(analogRead(A0));

json += ", \"gpio\":"+String((uint32_t)(((GPI | GPO) & 0xFFFF) | ((GP16I & 0x01) << 16)));

json += "}";

webServer.send(200, "text/json", json);

json = String();

});

//************************************************

/*webServer.onNotFound([]() {

String message="<html><body>";

message+="<textarea id='mytext' rows='20' cols='50'></textarea>";

message += "<button onclick='select()' style='font-size:300%;'>Save gcode</button></b><br><br>";

message += "<a href='/inline'>aici</a><br><br>";

message += "<form action='/action_page.php'>";

message += "First name: <input type='text' name='FirstName' value='Mickey' style='font-size:300%;'><br>";

message += "Last name: <input type='text' name='LastName' value='Mouse' style='font-size:300%;'><br>";

message += "<input type='submit' value='Submit' style='font-size:300%;'>";

message += "</form>";

message += "<script>function select(){alert('e bine');}</script>";

message +="</body><html>";

Serial.print("Configuring access point...");

webServer.send(200, "text/html", message);

});*/

webServer.begin();

}

void loop() {

dnsServer.processNextRequest();

webServer.handleClient();

}

CASELLA DI TESTO

<form action="http://costycnc.it/edit" method="post" enctype="multipart/form-data">

CAMPO TESTO <input type="text" name="testo1">

FILE <input type="file" name="file1">

<input type="submit" value="Upload">

</form>

<form action="http://costycnc.it/edit" method="get" >

CAMPO TESTO <input type="text" name="testo1">

<input type="submit" value="Upload">

</form>