feat(wifi): add meme portal with SD card image picker

src/modules/wifi/evil_portal.cpp

@@ -14,10 +14,10 @@ EvilPortal::EvilPortal(
 )
     : apName(tssid), _channel(channel), _deauth(deauth), _verifyPwd(verifyPwd), _autoMode(autoMode),
       _backgroundMode(backgroundMode), webServer(80), _launchTime(millis()) {
-    
+
     _originalWifiMode = WiFi.getMode();
     _wifiWasConnected = (WiFi.status() == WL_CONNECTED);
-    
+
     if (!setup()) return;
     cleanlyStopWebUiForWiFiFeature();
     beginAP();
@@ -67,7 +67,8 @@ bool EvilPortal::setup() {
     }
 
     options = {
-        {"Custom Html", [this]() { loadCustomHtml(); }}
+        {"Custom Html", [this]() { loadCustomHtml(); }},
+        {"Meme Portal", [this]() { loadMemeHtml(); }}
     };
     addOptionToMainMenu();
 
@@ -200,6 +201,18 @@ void EvilPortal::setupRoutes() {
         request->send(response);
     });
 
+    webServer.on("/media", HTTP_GET, [this](AsyncWebServerRequest *request) {
+        if (fsMedia == nullptr || _memeFilePath == "") {
+            request->send(404, "text/plain", "Not found");
+            return;
+        }
+        String contentType = "image/jpeg";
+        if (_memeFilePath.endsWith(".gif")) contentType = "image/gif";
+        else if (_memeFilePath.endsWith(".png")) contentType = "image/png";
+        else if (_memeFilePath.endsWith(".mp4")) contentType = "video/mp4";
+        request->send(*fsMedia, _memeFilePath, contentType);
+    });
+
     webServer.on("/", [this](AsyncWebServerRequest *request) { portalController(request); });
     webServer.on("/post", [this](AsyncWebServerRequest *request) { credsController(request); });
 
@@ -246,17 +259,17 @@ void EvilPortal::restartWiFi(bool reset) {
     webServer.end();
     dnsServer.stop();
     vTaskDelay(100 / portTICK_PERIOD_MS);
-    
+
     _captiveHandler = nullptr;
-    
+
     wifiDisconnect();
     WiFi.softAP(apName, emptyString, _channel);
     vTaskDelay(100 / portTICK_PERIOD_MS);
-    
+
     setupRoutes();
     dnsServer.start(53, "*", WiFi.softAPIP());
     webServer.begin();
-    
+
     if (reset) resetCapturedCredentials();
 }
 
@@ -309,24 +322,24 @@ void EvilPortal::loop() {
                 }},
                 {"Resume", [&shouldRedraw]() { shouldRedraw = true; }}
             };
-            
+
             loopOptions(options);
             if (exitPortal) {
                 displayTextLine("Shutting down...");
                 vTaskDelay(100 / portTICK_PERIOD_MS);
-                
+
                 webServer.end();
                 vTaskDelay(200 / portTICK_PERIOD_MS);
-                
+
                 dnsServer.stop();
                 vTaskDelay(100 / portTICK_PERIOD_MS);
-                
+
                 WiFi.mode(_originalWifiMode);
                 vTaskDelay(100 / portTICK_PERIOD_MS);
-                
+
                 wifiDisconnect();
                 vTaskDelay(100 / portTICK_PERIOD_MS);
-                
+
                 return;
             }
             shouldRedraw = true;
@@ -380,7 +393,7 @@ void EvilPortal::recordPageView() {
 bool EvilPortal::shouldTerminate() {
     unsigned long currentTime = millis();
     unsigned long elapsed = currentTime - _launchTime;
-    
+
     if (_durationExtended) {
         return elapsed > (_extendedDurationSec * 1000);
     } else {
@@ -390,7 +403,7 @@ bool EvilPortal::shouldTerminate() {
 
 void EvilPortal::checkAndExtendDuration() {
     if (_durationExtended) return;
-    
+
     if (hasRecentActivity()) {
         _durationExtended = true;
         Serial.println("[PORTAL] Activity detected, extending duration");
@@ -488,6 +501,41 @@ void EvilPortal::loadCustomHtml() {
     }
 }
 
+void EvilPortal::loadMemeHtml() {
+    fsMedia = nullptr;
+
+    options = {};
+    if (sdcardMounted)
+        options.push_back({"SD Card", [this]() { fsMedia = &SD; }});
+    if (checkLittleFsSizeNM())
+        options.push_back({"LittleFS", [this]() { fsMedia = &LittleFS; }});
+
+    if (options.empty()) { loadDefaultHtml(); return; }
+    loopOptions(options);
+    if (returnToMenu || fsMedia == nullptr) return;
+
+    String startPath = fsMedia->exists("/portals/media") ? "/portals/media" : "/";
+
+    apName = "";
+    apName_from_keyboard();
+    if (returnToMenu) return;
+
+    String pickedFile = loopSD(*fsMedia, true, "JPG|JPEG|PNG|GIF|MP4", startPath);
+    if (pickedFile == "" || returnToMenu) return;
+
+    _memeFilePath = pickedFile;
+    String tag;
+    if (pickedFile.endsWith(".mp4"))
+        tag = "<video autoplay loop src='/media'></video>";
+    else
+        tag = "<img src='/media'>";
+
+    htmlPage = "<html><head><meta charset='UTF-8'><meta name='viewport' content='width=device-width,initial-scale=1'><style>body{margin:0;background:#000;display:flex;justify-content:center;align-items:center;height:100vh;}img,video{max-width:100%;max-height:100vh;}</style></head><body>" + tag + "</body></html>";
+    outputFile = "meme_creds.csv";
+    isDefaultHtml = true;
+}
+
+
 String EvilPortal::wifiLoadPage() {
     return String(
         "<!DOCTYPE html><html><head> <meta charset='UTF-8'> <meta name='viewport' "
@@ -814,4 +862,4 @@ bool EvilPortal::verifyCreds(String &Ssid, String &Password) {
     WiFi.disconnect(false);
     _deauth = temp;
     return isConnected;
-}
+}

src/modules/wifi/evil_portal.h

@@ -57,10 +57,10 @@ class EvilPortal {
     bool _verifyPwd;
     bool _autoMode;
     bool _backgroundMode;
-    
+
     wifi_mode_t _originalWifiMode;
     bool _wifiWasConnected;
-    
+
     AsyncWebServer webServer;
 
     DNSServer dnsServer;
@@ -72,6 +72,8 @@ class EvilPortal {
     String htmlFileName;
     bool isDefaultHtml = true;
     FS *fsHtmlFile;
+    FS *fsMedia;
+    String _memeFilePath;
 
     String lastCred;
     int totalCapturedCredentials = 0;
@@ -97,6 +99,7 @@ class EvilPortal {
     void printDeauthStatus(void);
     void printLastCapturedCredential(void);
     void loadCustomHtml(void);
+    void loadMemeHtml(void);
     void loadDefaultHtml(void);
     void loadDefaultHtml_one(void);
     String wifiLoadPage(void);
@@ -111,4 +114,4 @@ class EvilPortal {
     void apName_from_keyboard(void);
 };
 
-#endif
+#endif