WLED/wled00/wled_server.cpp

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#include "wled.h"
/*
* Integrated HTTP web server page declarations
*/
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//Is this an IP?
bool isIp(String str) {
for (size_t i = 0; i < str.length(); i++) {
int c = str.charAt(i);
if (c != '.' && (c < '0' || c > '9')) {
return false;
}
}
return true;
}
bool captivePortal(AsyncWebServerRequest *request)
{
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if (ON_STA_FILTER(request)) return false; //only serve captive in AP mode
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String hostH;
if (!request->hasHeader("Host")) return false;
hostH = request->getHeader("Host")->value();
if (!isIp(hostH) && hostH.indexOf("wled.me") < 0 && hostH.indexOf(cmDNS) < 0) {
DEBUG_PRINTLN("Captive portal");
AsyncWebServerResponse *response = request->beginResponse(302);
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response->addHeader(F("Location"), F("http://4.3.2.1"));
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request->send(response);
return true;
}
return false;
}
void initServer()
{
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//CORS compatiblity
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DefaultHeaders::Instance().addHeader(F("Access-Control-Allow-Origin"), "*");
DefaultHeaders::Instance().addHeader(F("Access-Control-Allow-Methods"), "*");
DefaultHeaders::Instance().addHeader(F("Access-Control-Allow-Headers"), "*");
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#ifdef WLED_ENABLE_WEBSOCKETS
server.on("/liveview", HTTP_GET, [](AsyncWebServerRequest *request){
request->send_P(200, "text/html", PAGE_liveviewws);
});
#else
server.on("/liveview", HTTP_GET, [](AsyncWebServerRequest *request){
request->send_P(200, "text/html", PAGE_liveview);
});
#endif
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//settings page
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server.on("/settings", HTTP_GET, [](AsyncWebServerRequest *request){
serveSettings(request);
});
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server.on("/favicon.ico", HTTP_GET, [](AsyncWebServerRequest *request){
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if(!handleFileRead(request, "/favicon.ico"))
{
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request->send_P(200, "image/x-icon", favicon, 156);
}
});
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server.on("/sliders", HTTP_GET, [](AsyncWebServerRequest *request){
serveIndex(request);
});
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server.on("/welcome", HTTP_GET, [](AsyncWebServerRequest *request){
serveSettings(request);
});
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server.on("/reset", HTTP_GET, [](AsyncWebServerRequest *request){
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serveMessage(request, 200,F("Rebooting now..."),F("Please wait ~10 seconds..."),129);
doReboot = true;
});
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server.on("/settings", HTTP_POST, [](AsyncWebServerRequest *request){
serveSettings(request, true);
});
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server.on("/json", HTTP_GET, [](AsyncWebServerRequest *request){
serveJson(request);
});
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AsyncCallbackJsonWebHandler* handler = new AsyncCallbackJsonWebHandler("/json", [](AsyncWebServerRequest *request) {
bool verboseResponse = false;
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{ //scope JsonDocument so it releases its buffer
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DynamicJsonDocument jsonBuffer(JSON_BUFFER_SIZE);
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DeserializationError error = deserializeJson(jsonBuffer, (uint8_t*)(request->_tempObject));
JsonObject root = jsonBuffer.as<JsonObject>();
if (error || root.isNull()) {
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request->send(400, "application/json", F("{\"error\":9}")); return;
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}
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fileDoc = &jsonBuffer;
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verboseResponse = deserializeState(root);
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fileDoc = nullptr;
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}
if (verboseResponse) { //if JSON contains "v"
serveJson(request); return;
}
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request->send(200, "application/json", F("{\"success\":true}"));
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});
server.addHandler(handler);
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server.on("/version", HTTP_GET, [](AsyncWebServerRequest *request){
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request->send(200, "text/plain", (String)VERSION);
});
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server.on("/uptime", HTTP_GET, [](AsyncWebServerRequest *request){
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request->send(200, "text/plain", (String)millis());
});
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server.on("/freeheap", HTTP_GET, [](AsyncWebServerRequest *request){
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request->send(200, "text/plain", (String)ESP.getFreeHeap());
});
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server.on("/u", HTTP_GET, [](AsyncWebServerRequest *request){
request->send_P(200, "text/html", PAGE_usermod);
});
server.on("/url", HTTP_GET, [](AsyncWebServerRequest *request){
URL_response(request);
});
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server.on("/teapot", HTTP_GET, [](AsyncWebServerRequest *request){
serveMessage(request, 418, F("418. I'm a teapot."), F("(Tangible Embedded Advanced Project Of Twinkling)"), 254);
});
//if OTA is allowed
if (!otaLock){
#ifdef WLED_ENABLE_FS_EDITOR
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#ifdef ARDUINO_ARCH_ESP32
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server.addHandler(new SPIFFSEditor(WLED_FS));//http_username,http_password));
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#else
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server.addHandler(new SPIFFSEditor("","",WLED_FS));//http_username,http_password));
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#endif
#else
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server.on("/edit", HTTP_GET, [](AsyncWebServerRequest *request){
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serveMessage(request, 501, "Not implemented", F("The FS editor is disabled in this build."), 254);
});
#endif
//init ota page
#ifndef WLED_DISABLE_OTA
server.on("/update", HTTP_GET, [](AsyncWebServerRequest *request){
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request->send_P(200, "text/html", PAGE_update);
});
server.on("/update", HTTP_POST, [](AsyncWebServerRequest *request){
if (Update.hasError())
{
serveMessage(request, 500, F("Failed updating firmware!"), F("Please check your file and retry!"), 254); return;
}
serveMessage(request, 200, F("Successfully updated firmware!"), F("Please wait while the module reboots..."), 131);
doReboot = true;
},[](AsyncWebServerRequest *request, String filename, size_t index, uint8_t *data, size_t len, bool final){
if(!index){
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DEBUG_PRINTLN(F("OTA Update Start"));
#ifdef ESP8266
Update.runAsync(true);
#endif
Update.begin((ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000);
}
if(!Update.hasError()) Update.write(data, len);
if(final){
if(Update.end(true)){
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DEBUG_PRINTLN(F("Update Success"));
} else {
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DEBUG_PRINTLN(F("Update Failed"));
}
}
});
#else
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server.on("/update", HTTP_GET, [](AsyncWebServerRequest *request){
serveMessage(request, 501, "Not implemented", F("OTA updates are disabled in this build."), 254);
});
#endif
} else
{
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server.on("/edit", HTTP_GET, [](AsyncWebServerRequest *request){
serveMessage(request, 500, "Access Denied", F("Please unlock OTA in security settings!"), 254);
});
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server.on("/update", HTTP_GET, [](AsyncWebServerRequest *request){
serveMessage(request, 500, "Access Denied", F("Please unlock OTA in security settings!"), 254);
});
}
#ifdef WLED_ENABLE_DMX
server.on("/dmxmap", HTTP_GET, [](AsyncWebServerRequest *request){
request->send_P(200, "text/html", PAGE_dmxmap , dmxProcessor);
});
#else
server.on("/dmxmap", HTTP_GET, [](AsyncWebServerRequest *request){
serveMessage(request, 501, "Not implemented", F("DMX support is not enabled in this build."), 254);
});
#endif
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server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
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if (captivePortal(request)) return;
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serveIndexOrWelcome(request);
});
#ifdef WLED_ENABLE_WEBSOCKETS
server.addHandler(&ws);
#endif
//called when the url is not defined here, ajax-in; get-settings
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server.onNotFound([](AsyncWebServerRequest *request){
DEBUG_PRINTLN("Not-Found HTTP call:");
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DEBUG_PRINTLN("URI: " + request->url());
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if (captivePortal(request)) return;
//make API CORS compatible
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if (request->method() == HTTP_OPTIONS)
{
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request->send(200); return;
}
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if(handleSet(request, request->url())) return;
#ifndef WLED_DISABLE_ALEXA
if(espalexa.handleAlexaApiCall(request)) return;
#endif
if(handleFileRead(request, request->url())) return;
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request->send_P(404, "text/html", PAGE_404);
});
}
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void serveIndexOrWelcome(AsyncWebServerRequest *request)
{
if (!showWelcomePage){
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serveIndex(request);
} else {
serveSettings(request);
}
}
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bool handleIfNoneMatchCacheHeader(AsyncWebServerRequest* request)
{
AsyncWebHeader* header = request->getHeader("If-None-Match");
if (header && header->value() == String(VERSION)) {
request->send(304);
return true;
}
return false;
}
Fix Warnings (#1744) * Remove -w (Suppress all warnings, including those which GNU CPP issues by default.) and add back in -Wall (Turn on all optional warnings which are desirable for normal code.) from build_flags * Fixes warning: suggest parentheses around '+' in operand of '&' [-Wparentheses] * Fixes warning: "CONFIG_LITTLEFS_FOR_IDF_3_2" redefined * Fixes warning: format '%x' expects argument of type 'unsigned int', but argument 3 has type 'uint64_t {aka long long unsigned int}' [-Wformat=] * Fixes warning: enumeration value 'onoff' not handled in switch [-Wswitch] * Fixes warning: "ntohl" redefined, warning: "ntohs" redefined, warning: "htonl" redefined, warning: "htons" redefined - Original fix: https://github.com/blynkkk/blynk-library/commit/858f8f4ee93246c2550e3f61857681dc87ac43eb * Fixes warning: unused variable 'mainSeg' [-Wunused-variable] * Fixes warning: unused variable 'start' [-Wunused-variable] * (untested!) Fixes warning: operation on '...' may be undefined [-Wsequence-point] * Fixes warning: unused variable * Fixes warning: unused variable and warning: narrowing conversion * Fixes warning: unused variable * Fixes warning: unused variable * (untested!) Fixes warning: statement has no effect [-Wunused-value] * Fixes warning: control reaches end of non-void function * Fixes warning: unused variable * Fixes warning: left operand of comma operator has no effect * Fixes warning: no return statement in function returning non-void * (untested!) Fixes warning: ISO C++ forbids converting a string constant to 'char*' and fixes warning: unused variable 'nPins' * Fixes warning: deleting array 'dmxData' * Fixes warning: unused variable * Remove all warning suppression buildflags Co-authored-by: Louis Beaudoin <louis@embedded-creations.com> Co-authored-by: Aircoookie <dev.aircoookie@gmail.com>
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void setStaticContentCacheHeaders(AsyncWebServerResponse *response)
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{
response->addHeader(F("Cache-Control"),"max-age=2592000");
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response->addHeader(F("ETag"), String(VERSION));
}
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void serveIndex(AsyncWebServerRequest* request)
{
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if (handleFileRead(request, "/index.htm")) return;
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if (handleIfNoneMatchCacheHeader(request)) return;
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AsyncWebServerResponse *response = request->beginResponse_P(200, "text/html", PAGE_index, PAGE_index_L);
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response->addHeader(F("Content-Encoding"),"gzip");
#ifndef WLED_DEBUG
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setStaticContentCacheHeaders(response);
#endif
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request->send(response);
}
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String msgProcessor(const String& var)
{
if (var == "MSG") {
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String messageBody = messageHead;
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messageBody += F("</h2>");
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messageBody += messageSub;
uint32_t optt = optionType;
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if (optt < 60) //redirect to settings after optionType seconds
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{
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messageBody += F("<script>setTimeout(RS,");
messageBody +=String(optt*1000);
messageBody += F(")</script>");
} else if (optt < 120) //redirect back after optionType-60 seconds, unused
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{
//messageBody += "<script>setTimeout(B," + String((optt-60)*1000) + ")</script>";
} else if (optt < 180) //reload parent after optionType-120 seconds
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{
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messageBody += F("<script>setTimeout(RP,");
messageBody += String((optt-120)*1000);
messageBody += F(")</script>");
} else if (optt == 253)
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{
messageBody += F("<br><br><form action=/settings><button class=\"bt\" type=submit>Back</button></form>"); //button to settings
} else if (optt == 254)
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{
messageBody += F("<br><br><button type=\"button\" class=\"bt\" onclick=\"B()\">Back</button>");
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}
return messageBody;
}
return String();
}
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void serveMessage(AsyncWebServerRequest* request, uint16_t code, const String& headl, const String& subl, byte optionT)
{
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messageHead = headl;
messageSub = subl;
optionType = optionT;
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request->send_P(code, "text/html", PAGE_msg, msgProcessor);
}
String settingsProcessor(const String& var)
{
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if (var == "CSS") {
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char buf[2048];
getSettingsJS(optionType, buf);
return String(buf);
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}
#ifdef WLED_ENABLE_DMX
if (var == "DMXMENU") {
return String(F("<form action=/settings/dmx><button type=submit>DMX Output</button></form>"));
}
#endif
if (var == "SCSS") return String(FPSTR(PAGE_settingsCss));
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return String();
}
String dmxProcessor(const String& var)
{
String mapJS;
#ifdef WLED_ENABLE_DMX
if (var == "DMXVARS") {
mapJS += "\nCN=" + String(DMXChannels) + ";\n";
mapJS += "CS=" + String(DMXStart) + ";\n";
mapJS += "CG=" + String(DMXGap) + ";\n";
mapJS += "LC=" + String(ledCount) + ";\n";
mapJS += "var CH=[";
for (int i=0;i<15;i++) {
mapJS += String(DMXFixtureMap[i]) + ",";
}
mapJS += "0];";
}
#endif
return mapJS;
}
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void serveSettings(AsyncWebServerRequest* request, bool post)
{
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byte subPage = 0;
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const String& url = request->url();
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if (url.indexOf("sett") >= 0)
{
if (url.indexOf("wifi") > 0) subPage = 1;
else if (url.indexOf("leds") > 0) subPage = 2;
else if (url.indexOf("ui") > 0) subPage = 3;
else if (url.indexOf("sync") > 0) subPage = 4;
else if (url.indexOf("time") > 0) subPage = 5;
else if (url.indexOf("sec") > 0) subPage = 6;
#ifdef WLED_ENABLE_DMX // include only if DMX is enabled
else if (url.indexOf("dmx") > 0) subPage = 7;
#endif
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} else subPage = 255; //welcome page
if (subPage == 1 && wifiLock && otaLock)
{
serveMessage(request, 500, "Access Denied", F("Please unlock OTA in security settings!"), 254); return;
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}
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if (post) { //settings/set POST request, saving
if (subPage != 1 || !(wifiLock && otaLock)) handleSettingsSet(request, subPage);
char s[32];
char s2[45] = "";
switch (subPage) {
case 1: strcpy_P(s, PSTR("WiFi")); strcpy_P(s2, PSTR("Please connect to the new IP (if changed)")); forceReconnect = true; break;
case 2: strcpy_P(s, PSTR("LED")); break;
case 3: strcpy_P(s, PSTR("UI")); break;
case 4: strcpy_P(s, PSTR("Sync")); break;
case 5: strcpy_P(s, PSTR("Time")); break;
case 6: strcpy_P(s, PSTR("Security")); strcpy_P(s2, PSTR("Rebooting, please wait ~10 seconds...")); break;
case 7: strcpy_P(s, PSTR("DMX")); break;
}
strcat_P(s, PSTR(" settings saved."));
if (!s2[0]) strcpy_P(s2, PSTR("Redirecting..."));
if (!doReboot) serveMessage(request, 200, s, s2, (subPage == 1 || subPage == 6) ? 129 : 1);
if (subPage == 6) doReboot = true;
return;
}
#ifdef WLED_DISABLE_MOBILE_UI //disable welcome page if not enough storage
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if (subPage == 255) {serveIndex(request); return;}
#endif
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optionType = subPage;
switch (subPage)
{
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case 1: request->send_P(200, "text/html", PAGE_settings_wifi, settingsProcessor); break;
case 2: request->send_P(200, "text/html", PAGE_settings_leds, settingsProcessor); break;
case 3: request->send_P(200, "text/html", PAGE_settings_ui , settingsProcessor); break;
case 4: request->send_P(200, "text/html", PAGE_settings_sync, settingsProcessor); break;
case 5: request->send_P(200, "text/html", PAGE_settings_time, settingsProcessor); break;
case 6: request->send_P(200, "text/html", PAGE_settings_sec , settingsProcessor); break;
case 7: request->send_P(200, "text/html", PAGE_settings_dmx , settingsProcessor); break;
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case 255: request->send_P(200, "text/html", PAGE_welcome); break;
default: request->send_P(200, "text/html", PAGE_settings , settingsProcessor);
}
}