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290 lines
8.9 KiB
290 lines
8.9 KiB
/**
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* Declaration of AutoConnect class and accompanying AutoConnectConfig class.
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* @file AutoConnect.h
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* @author hieromon@gmail.com
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* @version 0.9.1
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* @date 2018-02-13
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* @copyright MIT license.
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*/
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#ifndef _AUTOCONNECT_H_
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#define _AUTOCONNECT_H_
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#include <vector>
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#include <memory>
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#include <functional>
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#include <DNSServer.h>
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#include <ESP8266WiFi.h>
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#include <ESP8266WebServer.h>
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#include <EEPROM.h>
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#include <PageBuilder.h>
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extern "C" {
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#include <user_interface.h>
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}
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#include "AutoConnectPage.h"
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// Uncomment the following AC_DEBUG to enable debug output.
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//#define AC_DEBUG
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// Debug output destination can be defined externally with AC_DEBUG_PORT
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#ifndef AC_DEBUG_PORT
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#define AC_DEBUG_PORT Serial
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#endif
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#ifdef AC_DEBUG
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#define AC_DBG(...) do {AC_DEBUG_PORT.print("[AC] "); AC_DEBUG_PORT.printf( __VA_ARGS__ );} while (0)
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#else
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#define AC_DBG(...)
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#endif
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#ifndef AUTOCONNECT_APID
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#define AUTOCONNECT_APID "esp8266ap"
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#endif
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#ifndef AUTOCONNECT_PSK
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#define AUTOCONNECT_PSK "12345678"
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#endif
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#ifndef AUTOCONNECT_AP_IP
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#define AUTOCONNECT_AP_IP 0x01F4A8C0 //*< 192.168.244.1 */
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#endif // !AUTOCONNECT_AP_IP
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#ifndef AUTOCONNECT_AP_GW
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#define AUTOCONNECT_AP_GW 0x01F4A8C0 //*< 192.168.244.1 */
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#endif // !AUTOCONNECT_AP_GW
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#ifndef AUTOCONNECT_AP_NM
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#define AUTOCONNECT_AP_NM 0x00FFFFFF //*< 255.255.255.0 */
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#endif // !AUTOCONNECT_AP_NM
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#ifndef AUTOCONNECT_URI
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#define AUTOCONNECT_URI "/_ac"
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#endif
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#ifndef AUTOCONNECT_HOMEURI
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#define AUTOCONNECT_HOMEURI "/"
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#endif
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#ifndef AUTOCONNECT_MENU_TITLE
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#define AUTOCONNECT_MENU_TITLE "AutoConnect"
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#endif
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#define AUTOCONNECT_MENU_TITLE_CONNETED "Connected"
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#define AUTOCONNECT_URI_CONFIG AUTOCONNECT_URI "/config"
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#define AUTOCONNECT_URI_CONNECT AUTOCONNECT_URI "/connect"
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#define AUTOCONNECT_URI_RESULT AUTOCONNECT_URI "/result"
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#define AUTOCONNECT_URI_OPEN AUTOCONNECT_URI "/open"
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#define AUTOCONNECT_URI_DISCON AUTOCONNECT_URI "/disc"
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#define AUTOCONNECT_URI_RESET AUTOCONNECT_URI "/reset"
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#define AUTOCONNECT_URI_SUCCESS AUTOCONNECT_URI "/success"
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#define AUTOCONNECT_URI_FAIL AUTOCONNECT_URI "/fail"
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#ifndef AUTOCONNECT_TIMEOUT
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#define AUTOCONNECT_TIMEOUT 30000
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#endif
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#ifndef AUTOCONNECT_STARTUPTIME
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#define AUTOCONNECT_STARTUPTIME 10
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#endif
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#ifndef AUTOCONNECT_DNSPORT
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#define AUTOCONNECT_DNSPORT 53
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#endif
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/**< A type to save established credential at WiFi.begin automatically. */
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typedef enum AC_SAVECREDENTIAL {
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AC_SAVECREDENTIAL_NEVER,
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AC_SAVECREDENTIAL_AUTO
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} AC_SAVECREDENTIAL_t;
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class AutoConnectConfig {
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public:
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/**
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* AutoConnectConfig default constructor.
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* SSID for the captive portal access point assumes AUTOCONNECT_APID which
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* assigned from macro. Password is same as above too.
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*/
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AutoConnectConfig() :
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apip(AUTOCONNECT_AP_IP),
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gateway(AUTOCONNECT_AP_GW),
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netmask(AUTOCONNECT_AP_NM),
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apid(String(AUTOCONNECT_APID)),
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psk(String(AUTOCONNECT_PSK)),
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channel(1),
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hidden(0),
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autoSave(AC_SAVECREDENTIAL_AUTO),
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autoReset(true),
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uptime(AUTOCONNECT_STARTUPTIME),
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homeUri(AUTOCONNECT_HOMEURI) {}
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/**
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* Configure by SSID for the captive portal access point and password.
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*/
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AutoConnectConfig(const char* ap, const char* password) :
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apip(AUTOCONNECT_AP_IP),
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gateway(AUTOCONNECT_AP_GW),
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netmask(AUTOCONNECT_AP_NM),
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apid(String(ap)),
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psk(String(password)),
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channel(1),
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hidden(0),
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autoSave(AC_SAVECREDENTIAL_AUTO),
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autoReset(true),
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uptime(AUTOCONNECT_STARTUPTIME),
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homeUri(AUTOCONNECT_HOMEURI) {}
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~AutoConnectConfig() {}
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AutoConnectConfig& operator=(const AutoConnectConfig& o) {
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apip = o.apip;
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gateway = o.gateway;
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netmask = o.netmask;
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apid = o.apid;
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psk = o.psk;
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channel = o.channel;
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hidden = o.hidden;
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autoSave = o.autoSave;
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autoReset = o.autoReset;
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uptime = o.uptime;
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homeUri = o.homeUri;
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return *this;
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}
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IPAddress apip; /**< SoftAP IP address */
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IPAddress gateway; /**< SoftAP gateway address */
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IPAddress netmask; /**< SoftAP subnet mask */
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String apid; /**< SoftAP SSID */
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String psk; /**< SoftAP password */
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uint8_t channel; /**< SoftAP used wifi channel */
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uint8_t hidden; /**< SoftAP SSID hidden */
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AC_SAVECREDENTIAL_t autoSave; /**< Auto save credential */
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bool autoReset; /**< Reset ESP8266 module automatically when WLAN disconnected. */
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int uptime; /**< Length of start up time */
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String homeUri; /**< A URI of user site */
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};
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class AutoConnect {
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public:
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AutoConnect();
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AutoConnect(ESP8266WebServer& webServer);
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~AutoConnect();
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bool config(AutoConnectConfig& Config);
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bool config(const char* ap, const char* password = nullptr);
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void home(String uri);
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bool begin();
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bool begin(const char* ssid, const char* passphrase);
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bool begin(const char* ssid, const char* passphrase, unsigned long timeout);
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void end();
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void handleClient();
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void handleRequest();
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ESP8266WebServer& host();
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typedef std::function<bool(IPAddress)> DetectExit_ft;
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void onDetect(DetectExit_ft fn);
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void onNotFound(ESP8266WebServer::THandlerFunction fn);
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protected:
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enum _webServerAllocateType {
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AC_WEBSERVER_PARASITIC,
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AC_WEBSERVER_HOSTED
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};
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typedef enum _webServerAllocateType AC_WEBSERVER_TYPE;
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void _initialize();
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bool _config();
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void _startWebServer();
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void _startDNSServer();
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void _handleNotFound();
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void _stopPortal();
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bool _classifyHandle(HTTPMethod mothod, String uri);
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PageElement* _setupPage(String uri);
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/** Request handlers implemented by Page Builder */
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String _induceConnect(PageArgument& args);
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String _induceDisconnect(PageArgument& args);
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String _induceReset(PageArgument& args);
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String _invokeResult(PageArgument& args);
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/** For portal control */
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bool _captivePortal();
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bool _isIP(String ipStr);
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wl_status_t _waitForConnect(unsigned long timeout);
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/** Utilities */
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static String _toMACAddressString(const uint8_t mac[]);
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static unsigned int _toWiFiQuality(int32_t rssi);
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DetectExit_ft _onDetectExit;
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ESP8266WebServer::THandlerFunction _notFoundHandler;
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std::unique_ptr<ESP8266WebServer> _webServer;
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std::unique_ptr<DNSServer> _dnsServer;
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AC_WEBSERVER_TYPE _webServerAlloc;
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PageBuilder* _responsePage;
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PageElement* _currentPageElement;
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/** configurations */
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AutoConnectConfig _apConfig;
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struct station_config _credential;
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uint8_t _hiddenSSIDCount;
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unsigned long _portalTimeout;
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/** The control indicators */
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bool _rfConnect; /**< URI /connect requested */
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bool _rfDisconnect; /**< URI /disc requested */
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bool _rfReset; /**< URI /reset requested */
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String _uri;
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String _redirectURI;
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IPAddress _currentHostIP;
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String _menuTitle;
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/** PegeElements of AutoConnect site. */
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static const char _CSS_BASE[] PROGMEM;
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static const char _CSS_UL[] PROGMEM;
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static const char _CSS_ICON_LOCK[] PROGMEM;
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static const char _CSS_INPUT_BUTTON[] PROGMEM;
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static const char _CSS_INPUT_TEXT[] PROGMEM;
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static const char _CSS_TABLE[] PROGMEM;
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static const char _CSS_LUXBAR[] PROGMEM;
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static const char _ELM_HTML_HEAD[] PROGMEM;
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static const char _ELM_MENU[] PROGMEM;
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static const char _PAGE_STAT[] PROGMEM;
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static const char _PAGE_CONFIGNEW[] PROGMEM;
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static const char _PAGE_OPENCREDT[] PROGMEM;
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static const char _PAGE_SUCCESS[] PROGMEM;
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static const char _PAGE_RESETTING[] PROGMEM;
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static const char _PAGE_DISCONN[] PROGMEM;
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static const char _PAGE_FAIL[] PROGMEM;
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static const char _PAGE_404[] PROGMEM;
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/** Token handlers for PageBuilder */
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String _token_CSS_BASE(PageArgument& args);
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String _token_CSS_UL(PageArgument& args);
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String _token_CSS_ICON_LOCK(PageArgument& args);
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String _token_CSS_INPUT_BUTTON(PageArgument& args);
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String _token_CSS_INPUT_TEXT(PageArgument& args);
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String _token_CSS_TABLE(PageArgument& args);
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String _token_CSS_LUXBAR(PageArgument& args);
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String _token_HEAD(PageArgument& args);
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String _token_MENU(PageArgument& args);
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String _token_ESTAB_SSID(PageArgument& args);
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String _token_WIFI_MODE(PageArgument& args);
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String _token_WIFI_STATUS(PageArgument& args);
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String _token_STATION_STATUS(PageArgument& args);
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String _token_LOCAL_IP(PageArgument& args);
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String _token_SOFTAP_IP(PageArgument& args);
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String _token_GATEWAY(PageArgument& args);
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String _token_NETMASK(PageArgument& args);
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String _token_AP_MAC(PageArgument& args);
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String _token_STA_MAC(PageArgument& args);
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String _token_CHANNEL(PageArgument& args);
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String _token_DBM(PageArgument& args);
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String _token_CPU_FREQ(PageArgument& args);
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String _token_FLASH_SIZE(PageArgument& args);
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String _token_CHIP_ID(PageArgument& args);
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String _token_FREE_HEAP(PageArgument& args);
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String _token_LIST_SSID(PageArgument& args);
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String _token_HIDDEN_COUNT(PageArgument& args);
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String _token_OPEN_SSID(PageArgument& args);
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String _token_UPTIME(PageArgument& args);
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friend class ESP8266WebServer;
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};
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#endif // _AUTOCONNECT_H_
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