doudar · Copilot · Nov 4, 2025 · Nov 4, 2025 · Nov 4, 2025 · Nov 4, 2025
diff --git a/.gitignore b/.gitignore
@@ -23,3 +23,4 @@ C/Users/
 dependencies.lock
 .vscode/settings.json
 *.map
+_codeql_detected_source_root
diff --git a/include/Builtin_Pages.h b/include/Builtin_Pages.h
@@ -67,6 +67,17 @@ String OTAServerIndex =
     "<body>"
     "<div style='width:400px;padding:20px;border-radius:10px;border:solid 2px #e0e0e0;margin:auto;margin-top:20px;background-color:#fff;'>"
     "<div style='text-align:center;font-size:18px;font-weight:bold;margin-bottom:12px;'>SmartSpin2k OTA</div>"
+
+    "<div id='github-release-section' style='margin-bottom:20px;border-bottom:1px solid #e0e0e0;padding-bottom:20px;display:none;'>"
+    "<div style='text-align:center;font-size:14px;font-weight:bold;margin-bottom:10px;'>GitHub Release</div>"
+    "<div id='release-info' style='font-size:12px;padding:10px;background-color:#f5f5f5;border-radius:4px;'></div>"
+    "<button id='install-btn' onclick='downloadAndInstall()' class='btn' style='width:100%;margin-top:10px;display:none;background-color:#28a745;'>Download & Install Update</button>"
+    "<div id='download-progress' style='background-color:#e0e0e0;border-radius:8px;margin-top:10px;display:none;'>"
+    "<div id='dl-prg' style='width:0%;background-color:#007bff;padding:2px;border-radius:8px;color:white;text-align:center;'>0%</div>"
+    "</div>"
+    "</div>"
+
+    "<div style='text-align:center;font-size:14px;font-weight:bold;margin-bottom:10px;'>Manual Upload</div>"
     "<form method='POST' action='#' enctype='multipart/form-data' id='upload-form'>"
     "<input type='file' name='update' style='margin-bottom:10px;'>"
     "<input type='submit' value='Update' class='btn' style='width:100%;'>"
@@ -80,6 +91,193 @@ String OTAServerIndex =
     "<script>"
     "var prg = document.getElementById('prg');"
     "var form = document.getElementById('upload-form');"
+    "var releaseInfo = document.getElementById('release-info');"
+    "var installBtn = document.getElementById('install-btn');"
+    "var downloadProgress = document.getElementById('download-progress');"
+    "var dlPrg = document.getElementById('dl-prg');"
+    "var githubSection = document.getElementById('github-release-section');"
+    "var currentReleaseData = null;"
+
+    "function compareVersions(current, latest) {"
+    "var parseCurrent = current.match(/(\\d+)\\.(\\d+)\\.(\\d+)/);"
+    "var parseLatest = latest.match(/(\\d+)\\.(\\d+)\\.(\\d+)/);"
+    "if (!parseCurrent || !parseLatest) return false;"
+    "var cYear = parseInt(parseCurrent[1]), cMonth = parseInt(parseCurrent[2]), cDay = parseInt(parseCurrent[3]);"
+    "var lYear = parseInt(parseLatest[1]), lMonth = parseInt(parseLatest[2]), lDay = parseInt(parseLatest[3]);"
+    "if (lYear !== cYear) return lYear > cYear;"
+    "if (lMonth !== cMonth) return lMonth > cMonth;"
+    "return lDay > cDay;"
+    "}"
+
+    "function checkForUpdates() {"
+    "fetch('/configJSON')"
+    ".then(r => r.json())"
+    ".then(config => {"
+    "var currentVersion = config.firmwareVersion || 'unknown';"
+    "return fetch('https://api.github.com/repos/doudar/SmartSpin2k/releases/latest')"
+    ".then(r => r.json())"
+    ".then(release => {"
+    "var tagName = release.tag_name || '';"
+    "var releaseName = release.name || '';"
+    "var assetUrl = '';"
+    "if (release.assets) {"
+    "for (var i = 0; i < release.assets.length; i++) {"
+    "var assetName = release.assets[i].name || '';"
+    "if (assetName.endsWith('.bin.zip') || assetName.endsWith('.bin')) {"
+    "assetUrl = release.assets[i].browser_download_url;"
+    "break;"
+    "}"
+    "}"
+    "}"
+    "if (!assetUrl) {"
+    "console.log('No firmware asset found in release');"
+    "return;"
+    "}"
+    "var isNewer = compareVersions(currentVersion, tagName);"
+    "currentReleaseData = {"
+    "currentVersion: currentVersion,"
+    "latestVersion: tagName,"
+    "releaseName: releaseName,"
+    "assetUrl: assetUrl,"
+    "isZipped: assetUrl.endsWith('.zip')"
+    "};"
+    "githubSection.style.display = 'block';"
+    "let msg = '<strong>Current:</strong> ' + currentVersion + '<br>';"
+    "msg += '<strong>Latest:</strong> ' + tagName + '<br>';"
+    "if (isNewer) {"
+    "msg += '<strong style=\"color:#28a745;\">New version available!</strong><br>';"
+    "msg += '<strong>Release:</strong> ' + releaseName;"
+    "installBtn.style.display = 'block';"
+    "} else {"
+    "msg += '<strong style=\"color:#007bff;\">You are up to date!</strong>';"
+    "}"
+    "releaseInfo.innerHTML = msg;"
+    "});"
+    "})"
+    ".catch(e => {"
+    "console.error('Error checking for updates:', e);"
+    "});"
+    "}"
+
+    "window.addEventListener('load', function() {"
+    "checkForUpdates();"
+    "});"
+
+    "function extractBinFromZip(zipBlob, callback) {"
+    "var reader = new FileReader();"
+    "reader.onload = function(e) {"
+    "var data = new Uint8Array(e.target.result);"
+    "var pos = 0;"
+    "while (pos < data.length - 30) {"
+    "if (data[pos] === 0x50 && data[pos+1] === 0x4B && data[pos+2] === 0x03 && data[pos+3] === 0x04) {"
+    "var nameLen = data[pos+26] | (data[pos+27] << 8);"
+    "var extraLen = data[pos+28] | (data[pos+29] << 8);"
+    "var compSize = data[pos+18] | (data[pos+19] << 8) | (data[pos+20] << 16) | (data[pos+21] << 24);"
+    "var fileName = String.fromCharCode.apply(null, data.slice(pos+30, pos+30+nameLen));"
+    "if (fileName.endsWith('.bin')) {"
+    "var fileStart = pos + 30 + nameLen + extraLen;"
+    "var binData = data.slice(fileStart, fileStart + compSize);"
+    "callback(new Blob([binData], {type: 'application/octet-stream'}));"
+    "return;"
+    "}"
+    "pos += 30 + nameLen + extraLen + compSize;"
+    "} else {"
+    "pos++;"
+    "}"
+    "}"
+    "callback(null);"
+    "};"
+    "reader.readAsArrayBuffer(zipBlob);"
+    "}"
+
+    "function uploadFirmware(blob) {"
+    "releaseInfo.innerHTML = 'Uploading to device...';"
+    "dlPrg.style.backgroundColor = '#28a745';"
+    "dlPrg.innerHTML = 'Uploading...';"
+    "var formData = new FormData();"
+    "formData.append('update', blob, 'firmware.bin');"
+    "var uploadXhr = new XMLHttpRequest();"
+    "uploadXhr.open('POST', '/update');"
+    "uploadXhr.upload.onprogress = function(e) {"
+    "if (e.lengthComputable) {"
+    "var percentComplete = Math.round((e.loaded / e.total) * 100);"
+    "prg.style.width = percentComplete + '%';"
+    "prg.innerHTML = percentComplete + '%';"
+    "}"
+    "};"
+    "uploadXhr.onload = function() {"
+    "if (uploadXhr.status === 200) {"
+    "prg.style.backgroundColor = '#04AA6D';"
+    "prg.innerHTML = 'Success! Device is rebooting...';"
+    "releaseInfo.innerHTML = '<strong style=\"color:#28a745;\">Update successful! Device is rebooting...</strong>';"
+    "downloadProgress.style.display = 'none';"
+    "} else {"
+    "prg.innerHTML = 'Upload failed';"
+    "releaseInfo.innerHTML = '<strong style=\"color:#dc3545;\">Upload failed. Please try again.</strong>';"
+    "installBtn.style.display = 'block';"
+    "}"
+    "};"
+    "uploadXhr.onerror = function() {"
+    "releaseInfo.innerHTML = '<strong style=\"color:#dc3545;\">Upload error. Please try again.</strong>';"
+    "installBtn.style.display = 'block';"
+    "};"
+    "uploadXhr.send(formData);"
+    "}"
+
+    "function downloadAndInstall() {"
+    "if (!currentReleaseData || !currentReleaseData.assetUrl) {"
+    "releaseInfo.innerHTML = '<strong style=\"color:#dc3545;\">No release data available</strong>';"
+    "return;"
+    "}"
+    "if (confirm('This will download and install firmware version ' + currentReleaseData.latestVersion + '. The device will reboot. Continue?')) {"
+    "installBtn.style.display = 'none';"
+    "downloadProgress.style.display = 'block';"
+    "releaseInfo.innerHTML = 'Downloading firmware from GitHub...';"
+    "dlPrg.style.width = '0%';"
+    "dlPrg.innerHTML = '0%';"
+    "var xhr = new XMLHttpRequest();"
+    "xhr.open('GET', '/downloadFirmware?url=' + encodeURIComponent(currentReleaseData.assetUrl), true);"
+    "xhr.responseType = 'blob';"
+    "xhr.onprogress = function(e) {"
+    "if (e.lengthComputable) {"
+    "var percentComplete = Math.round((e.loaded / e.total) * 100);"
+    "dlPrg.style.width = percentComplete + '%';"
+    "dlPrg.innerHTML = percentComplete + '%';"
+    "}"
+    "};"
+    "xhr.onload = function() {"
+    "if (xhr.status === 200) {"
+    "var blob = xhr.response;"
+    "if (currentReleaseData.isZipped) {"
+    "releaseInfo.innerHTML = 'Extracting firmware from zip...';"
+    "dlPrg.innerHTML = 'Extracting...';"
+    "extractBinFromZip(blob, function(binBlob) {"
+    "if (binBlob) {"
+    "uploadFirmware(binBlob);"
+    "} else {"
+    "releaseInfo.innerHTML = '<strong style=\"color:#dc3545;\">Failed to extract firmware from zip.</strong>';"
+    "installBtn.style.display = 'block';"
+    "downloadProgress.style.display = 'none';"
+    "}"
+    "});"
+    "} else {"
+    "uploadFirmware(blob);"
+    "}"
+    "} else {"
+    "releaseInfo.innerHTML = '<strong style=\"color:#dc3545;\">Download failed. Please try again.</strong>';"
+    "installBtn.style.display = 'block';"
+    "downloadProgress.style.display = 'none';"
+    "}"
+    "};"
+    "xhr.onerror = function() {"
+    "releaseInfo.innerHTML = '<strong style=\"color:#dc3545;\">Download error. Please check your internet connection.</strong>';"
+    "installBtn.style.display = 'block';"
+    "downloadProgress.style.display = 'none';"
+    "};"
+    "xhr.send();"
+    "}"
+    "}"
+
     "form.addEventListener('submit', e=>{"
     "e.preventDefault();"
     "var data = new FormData(form);"

diff --git a/src/HTTP_Server_Basic.cpp b/src/HTTP_Server_Basic.cpp
@@ -282,6 +282,62 @@ void HTTP_Server::start() {
     ss2k->rebootFlag = true;
   });
 
+  server.on("/downloadFirmware", HTTP_ANY, []() {
+    if (!server.hasArg("url")) {
+      server.send(400, "text/plain", "Missing url parameter");
+      return;
+    }
+    String firmwareUrl = server.arg("url");
+    SS2K_LOG(HTTP_SERVER_LOG_TAG, "Proxying firmware download from: %s", firmwareUrl.c_str());
+
+    HTTPClient http;
+    WiFiClientSecure client;
+
+    // Try with bundled certificate first
+    client.setCACert(rootCACertificate);
+    http.begin(client, firmwareUrl);
+    http.addHeader("User-Agent", "SmartSpin2k");
+
+    int httpCode = http.GET();
+
+    // If certificate validation fails, retry without validation
+    // This ensures updates work even if bundled cert expires
+    if (httpCode == HTTPC_ERROR_CONNECTION_REFUSED || httpCode < 0) {
+      SS2K_LOG(HTTP_SERVER_LOG_TAG, "Certificate validation failed, retrying without validation");
+      http.end();
+      client.setInsecure(); // Skip certificate validation
+      http.begin(client, firmwareUrl);
+      http.addHeader("User-Agent", "SmartSpin2k");
+      httpCode = http.GET();
+    }
+
+    if (httpCode == HTTP_CODE_OK) {
+      int len = http.getSize();
+      WiFiClient * stream = http.getStreamPtr();
+
+      server.setContentLength(len);
+      server.send(200, "application/octet-stream", "");
+
+      uint8_t buff[512];
+      while (http.connected() && (len > 0 || len == -1)) {
+        size_t size = stream->available();
+        if (size) {
+          int c = stream->readBytes(buff, ((size > sizeof(buff)) ? sizeof(buff) : size));
+          server.client().write(buff, c);
+          if (len > 0) {
+            len -= c;
+          }
+        }
+        delay(1);
+      }
+      SS2K_LOG(HTTP_SERVER_LOG_TAG, "Firmware proxy download complete");
+    } else {
+      SS2K_LOG(HTTP_SERVER_LOG_TAG, "Firmware proxy download failed: %d", httpCode);
+      server.send(httpCode, "text/plain", "Failed to download firmware");
+    }
+    http.end();
+  });
+
   server.on("/hrslider", []() {
     String value = server.arg("value");
     if (value == "enable") {
@@ -733,6 +789,8 @@ void HTTP_Server::stop() {
   server.close();
 }
 
+
+
 // github fingerprint
 // 70:94:DE:DD:E6:C4:69:48:3A:92:70:A1:48:56:78:2D:18:64:E0:B7