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This commit is contained in:
Stephan Mühl
347
lib/webserver/src/esp-fs-webserver.h
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347
lib/webserver/src/esp-fs-webserver.h
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#ifndef esp_fs_webserver_H
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#define esp_fs_webserver_H
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#include <Arduino.h>
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#include <memory>
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#include <typeinfo>
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#include <base64.h>
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//#include <FS.h>
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#include <LittleFS.h>
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#define INCLUDE_EDIT_HTM
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#ifdef INCLUDE_EDIT_HTM
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#include "edit_htm.h"
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#endif
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#define INCLUDE_SETUP_HTM
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#ifdef INCLUDE_SETUP_HTM
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#define ARDUINOJSON_USE_LONG_LONG 1
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#include <ArduinoJson.h>
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#include "setup_htm.h"
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#endif
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#if defined(ESP8266)
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#include <ESP8266WiFi.h>
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#include <ESP8266WebServer.h>
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#include <ESP8266mDNS.h>
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#include <ESP8266HTTPUpdateServer.h> // from Arduino core, OTA update via webbrowser
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using WebServerClass = ESP8266WebServer;
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using UpdateServerClass = ESP8266HTTPUpdateServer;
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#elif defined(ESP32)
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#include <esp_wifi.h>
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#include <WebServer.h>
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#include <WiFi.h>
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#include <ESPmDNS.h>
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#include <HTTPUpdateServer.h> // from Arduino core, OTA update via webbrowser
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using WebServerClass = WebServer;
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using UpdateServerClass = HTTPUpdateServer;
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#endif
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#include <DNSServer.h>
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#ifndef DEBUG_ESP_PORT
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#define DBG_OUTPUT_PORT Serial
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#define DEBUG_MODE_WS false
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#else
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#define DBG_OUTPUT_PORT DEBUG_ESP_PORT
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#endif
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#if DEBUG_MODE_WS
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#define DebugPrint(x) DBG_OUTPUT_PORT.print(x)
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#define DebugPrintln(x) DBG_OUTPUT_PORT.println(x)
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#define DebugPrintf(fmt, ...) DBG_OUTPUT_PORT.printf(fmt, ##__VA_ARGS__)
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#define DebugPrintf_P(fmt, ...) DBG_OUTPUT_PORT.printf_P(fmt, ##__VA_ARGS__)
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#else
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#define DebugPrint(x)
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#define DebugPrintln(x)
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#define DebugPrintf(x, ...)
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#define DebugPrintf_P(x, ...)
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#endif
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enum
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{
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MSG_OK,
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CUSTOM,
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NOT_FOUND,
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BAD_REQUEST,
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ERROR
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};
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#define TEXT_PLAIN "text/plain"
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#define FS_INIT_ERROR "FS INIT ERROR"
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#define FILE_NOT_FOUND "FileNotFound"
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class FSWebServer
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{
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// using CallbackF = std::function<void(void)>;
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public:
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WebServerClass *webserver;
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FSWebServer(fs::FS &fs, WebServerClass &server);
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bool begin(const char *path = nullptr);
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void run();
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void addHandler(const Uri &uri, HTTPMethod method, WebServerClass::THandlerFunction fn);
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void addHandler(const Uri &uri, WebServerClass::THandlerFunction handler);
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void setCaptiveWebage(const char *url);
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IPAddress setAPmode(const char *ssid, const char *psk);
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IPAddress startWiFi(uint32_t timeout, const char *apSSID, const char *apPsw);
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WebServerClass *getRequest();
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#ifdef INCLUDE_SETUP_HTM
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#define MIN_F -3.4028235E+38
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#define MAX_F 3.4028235E+38
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inline bool clearOptions()
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{
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File file = m_filesystem->open("/config.json", "r");
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if (file)
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{
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file.close();
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m_filesystem->remove("/config.json");
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return true;
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}
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return false;
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}
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inline void addOptionBox(const char *boxTitle)
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{
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addOption("param-box", boxTitle, false);
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}
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inline void addHTML(const char *html, const char *id)
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{
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String elementId = "raw-html-";
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elementId += id;
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String trimmed = html;
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removeWhiteSpaces(trimmed);
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addOption(elementId.c_str(), trimmed.c_str(), false);
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}
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inline void addCSS(const char *css)
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{
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String trimmed = css;
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removeWhiteSpaces(trimmed);
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addOption("raw-css", trimmed.c_str(), false);
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}
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inline void addJavascript(const char *script)
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{
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// String trimmed = script;
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// removeWhiteSpaces(trimmed);
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addOption("raw-javascript", script, true);
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}
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void addDropdownList(const char *label, const char **array, size_t size);
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// Only for backward-compatibility
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template <typename T>
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inline void addOption(fs::FS &fs, const char *label, T val, bool hidden = false)
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{
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addOption(label, val, hidden);
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}
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// Add custom option to config webpage (float values)
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template <typename T>
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inline void addOption(const char *label, T val, double d_min, double d_max, double step)
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{
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addOption(label, val, false, d_min, d_max, step);
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}
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// Add custom option to config webpage (type of parameter will be deduced from variable itself)
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template <typename T>
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inline void addOption(const char *label, T val, bool hidden = false,
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double d_min = MIN_F, double d_max = MAX_F, double step = 1.0)
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{
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File file = m_filesystem->open("/config.json", "r");
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int sz = file.size() * 1.33;
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int docSize = max(sz, 2048);
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DynamicJsonDocument doc((size_t)docSize);
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if (file)
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{
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// If file is present, load actual configuration
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DeserializationError error = deserializeJson(doc, file);
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if (error)
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{
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DebugPrintln(F("Failed to deserialize file, may be corrupted"));
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DebugPrintln(error.c_str());
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file.close();
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return;
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}
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file.close();
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}
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else
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{
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DebugPrintln(F("File not found, will be created new configuration file"));
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}
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numOptions++;
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String key = label;
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if (hidden)
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key += "-hidden";
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// Univoque key name
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if (key.equals("param-box"))
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{
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key += numOptions;
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}
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if (key.equals("raw-javascript"))
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{
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key += numOptions;
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}
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// If key is present in json, we don't need to create it.
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if (doc.containsKey(key.c_str()))
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return;
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// if min, max, step != from default, treat this as object in order to set other properties
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if (d_min != MIN_F || d_max != MAX_F || step != 1.0)
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{
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JsonObject obj = doc.createNestedObject(key);
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obj["value"] = static_cast<T>(val);
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obj["min"] = d_min;
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obj["max"] = d_max;
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obj["step"] = step;
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}
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else
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{
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doc[key] = static_cast<T>(val);
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}
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file = m_filesystem->open("/config.json", "w");
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if (serializeJsonPretty(doc, file) == 0)
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{
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DebugPrintln(F("Failed to write to file"));
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}
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file.close();
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}
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// Get current value for a specific custom option (true on success)
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template <typename T>
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bool getOptionValue(const char *label, T &var)
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{
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File file = m_filesystem->open("/config.json", "r");
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DynamicJsonDocument doc(file.size() * 1.33);
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if (file)
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{
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DeserializationError error = deserializeJson(doc, file);
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if (error)
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{
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DebugPrintln(F("Failed to deserialize file, may be corrupted"));
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DebugPrintln(error.c_str());
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file.close();
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return false;
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}
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file.close();
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}
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else
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return false;
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if (doc[label]["value"])
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var = doc[label]["value"].as<T>();
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else if (doc[label]["selected"])
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var = doc[label]["selected"].as<T>();
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else
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var = doc[label].as<T>();
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return true;
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}
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template <typename T>
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bool saveOptionValue(const char *label, T val)
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{
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// Öffne die Datei im Lesemodus, um den Inhalt des Dokuments beizubehalten
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File file = m_filesystem->open("/config.json", "r");
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DynamicJsonDocument doc(file.size()* 1.33);
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if (file)
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{
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// Deserialisiere das JSON-Dokument aus der Datei
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DeserializationError error = deserializeJson(doc, file);
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if (error)
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{
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DebugPrintln(F("Failed to deserialize file, may be corrupted"));
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DebugPrintln(error.c_str());
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file.close();
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return false;
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}
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file.close();
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}
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// Füge den Schlüssel mit dem neuen Wert hinzu, falls er nicht vorhanden ist
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if (!doc.containsKey(label))
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{
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doc[label] = val;
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}
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else
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{
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// Ändere den Wert mit dem Schlüssel "label"
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JsonVariant option = doc[label];
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option.set(val);
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}
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// Öffne die Datei im Schreibmodus und speichere das geänderte Dokument
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file = m_filesystem->open("/config.json", "w");
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if (!file)
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return false;
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serializeJsonPretty(doc, file);
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file.close();
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return true;
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}
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#endif
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private:
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char m_basePath[16];
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UpdateServerClass m_httpUpdater;
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DNSServer m_dnsServer;
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fs::FS *m_filesystem;
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File m_uploadFile;
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bool m_fsOK = false;
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bool m_apmode = false;
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char *m_apWebpage = (char *)"/setup";
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uint32_t m_timeout = 10000;
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// Default handler for all URIs not defined above, use it to read files from filesystem
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bool checkDir(char *dirname, uint8_t levels);
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void doWifiConnection();
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void doRestart();
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void replyOK();
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void getIpAddress();
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void handleRequest();
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#ifdef INCLUDE_SETUP_HTM
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void removeWhiteSpaces(String &str);
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void handleSetup();
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uint8_t numOptions = 0;
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#endif
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void handleIndex();
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bool handleFileRead(const String &path);
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void handleFileUpload();
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void replyToCLient(int msg_type, const char *msg);
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void checkForUnsupportedPath(String &filename, String &error);
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void setCrossOrigin();
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void handleScanNetworks();
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const char *getContentType(const char *filename);
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bool captivePortal();
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// edit page, in usefull in some situation, but if you need to provide only a web interface, you can disable
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#ifdef INCLUDE_EDIT_HTM
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void handleGetEdit();
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void handleFileCreate();
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void handleFileDelete();
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void handleStatus();
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void handleFileList();
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#endif
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};
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#endif
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