Add Cloudflare

.gitignore

@@ -0,0 +1 @@
+.vscode/c_cpp_properties.json

EasyDDNS.cpp

@@ -12,10 +12,11 @@ void EasyDDNSClass::service(String ddns_service) {
   ddns_choice = ddns_service;
 }
 
-void EasyDDNSClass::client(String ddns_domain, String ddns_username, String ddns_password) {
+void EasyDDNSClass::client(String ddns_domain, String ddns_username, String ddns_password, String ddns_identifier) {
   ddns_d = ddns_domain;
   ddns_u = ddns_username;
   ddns_p = ddns_password;
+  ddns_id = ddns_identifier;
 }
 
 void EasyDDNSClass::update(unsigned long ddns_update_interval, bool use_local_ip) {
@@ -38,12 +39,12 @@ void EasyDDNSClass::update(unsigned long ddns_update_interval, bool use_local_ip
       HTTPClient http;
       http.begin(client, "http://ifconfig.me/ip");
       int httpCode = http.GET();
-      if (httpCode > 0) {
-        if (httpCode == HTTP_CODE_OK) {
-          new_ip = http.getString();
-        }
+      if (httpCode > 0 && httpCode == HTTP_CODE_OK) {
+        new_ip = http.getString();
       } else {
-        http.end();
+        if(_ddnsErrorFunc != nullptr){
+          _ddnsErrorFunc(httpCode, http.getString());
+        }
         return;
       }
       http.end();
@@ -74,24 +75,43 @@ void EasyDDNSClass::update(unsigned long ddns_update_interval, bool use_local_ip
       update_url = "http://sync.afraid.org/u/" + ddns_u + "/";
     } else if (ddns_choice == "ovh") {
       update_url = "http://" + ddns_u + ":" + ddns_p + "@www.ovh.com/nic/update?system=dyndns&hostname=" + ddns_d + "&myip=" + new_ip + "";
+    } else if (ddns_choice == "cloudflare") {
+      update_url = "https://api.cloudflare.com/client/v4/zones/" + ddns_p + "/dns_records/" + ddns_id;
     } else {
       Serial.println("## INPUT CORRECT DDNS SERVICE NAME ##");
       return;
     }
 
     // ######## CHECK & UPDATE ######### //
     if (old_ip != new_ip) {
-      WiFiClient client;
       HTTPClient http;
-      http.begin(client, update_url);
-      int httpCode = http.GET();
+      int httpCode;
+
+      if (ddns_choice == "cloudflare"){
+        // ######## HANDLE CLOUDFLARE ######### //
+        WiFiClientSecure client;
+        client.setFingerprint("EE:E9:CE:78:7E:95:78:C9:51:5F:ED:C5:68:15:39:2B:07:1A:9C:BB");
+        http.begin(client, update_url);
+        http.addHeader("Content-Type", "application/json");
+        http.addHeader("Authorization", "Bearer " + ddns_u);
+        String body = "{\"content\": \"" + new_ip + "\", \"name\":\"" + ddns_d + "\", \"type\": \"A\"}";
+        httpCode = http.PUT(body);
+      }else{
+        WiFiClient client;
+        http.begin(client, update_url);
+        httpCode = http.GET();
+      }
+
       if (httpCode == 200) {
         // Send a callback notification
         if(_ddnsUpdateFunc != nullptr){
           _ddnsUpdateFunc(old_ip.c_str(), new_ip.c_str());
         }
         // Replace Old IP with new one to detect further changes.
         old_ip = new_ip;
+      // Send an callback error
+      }else if(_ddnsErrorFunc != nullptr){
+        _ddnsErrorFunc(httpCode, http.getString());
       }
       http.end();
     }

EasyDDNS.h

@@ -10,6 +10,7 @@ Written in 2017 by Ayush Sharma. Licensed under MIT.
 
 #include "Arduino.h"
 #include "stdlib_noniso.h"
+#include <WiFiClientSecure.h>
 
 #if defined(ESP8266)
   #include "ESP8266WiFi.h"
@@ -21,32 +22,39 @@ Written in 2017 by Ayush Sharma. Licensed under MIT.
   #define HARDWARE "esp32"
 #endif
 
+
 // Handler to notify user about new public IP
 typedef std::function<void(const char* old_ip, const char* new_ip)> DDNSUpdateHandler;
+typedef std::function<void(int httpCode, String errorMsg)> DDNSErrorHandler;
 
 class EasyDDNSClass{
   public:
     void service(String ddns_service);
-    void client(String ddns_domain, String ddns_username, String ddns_password = "");
+    void client(String ddns_domain, String ddns_username, String ddns_password = "", String ddns_identifier = "");
     void update(unsigned long ddns_update_interval, bool use_local_ip = false);
 
     // Callback
     void onUpdate(DDNSUpdateHandler handler) {
       _ddnsUpdateFunc = handler;
     }
+    void onError(DDNSErrorHandler handler) {
+      _ddnsErrorFunc = handler;
+    }
 
   private:
     DDNSUpdateHandler _ddnsUpdateFunc = nullptr;
+    DDNSErrorHandler _ddnsErrorFunc = nullptr;
 
     unsigned long interval;
     unsigned long previousMillis;
 
     String new_ip;
-    String old_ip;
+    String old_ip = "0.0.0.0";
     String update_url;
     String ddns_u;
     String ddns_p;
     String ddns_d;
+    String ddns_id;
     String ddns_choice;
 };
 extern EasyDDNSClass EasyDDNS;

README.md

@@ -28,6 +28,7 @@ EasyDDNS Library can be implemented in your major projects as a sidekick. It is
 - freemyip
 - afraid.org
 - OVH.com
+- Cloudflare
 
 If you don't know what's DDNS, then you can find more info about DDNS here: [WiKipedia](https://en.wikipedia.org/wiki/Dynamic_DNS)
 
@@ -101,6 +102,7 @@ void setup() {
     - "strato"
     - "freemyip"
     - "afraid.org"
+    - "cloudflare"
   */
   EasyDDNS.service("duckdns");
 
@@ -110,6 +112,9 @@ void setup() {
 
     For DDNS Providers where you get username and password: ( Leave the password field empty "" if not required )
       Use this: EasyDDNS.client("domain", "username", "password");
+
+    For Cloudflare: 
+      Use this: EasyDDNS.client("domain", "token", "zone_identifier", "identifier");
   */
   EasyDDNS.client("12345.duckdns.org", "token"); // Enter your DDNS Domain & Token
 
@@ -118,6 +123,13 @@ void setup() {
     Serial.print("EasyDDNS - IP Change Detected: ");
     Serial.println(newIP);
   });
+
+  // Get Notified when your IP changes
+  EasyDDNS.onError([&](int httpCode, String errorMsg){
+    Serial.print("EasyDDNS - Error Detected: ");
+    Serial.println(String(httpCode));
+    Serial.println(errorMsg);
+  });
 }
 
 void loop() {

examples/DDNS_Client/DDNS_Client.ino

@@ -37,6 +37,7 @@ void setup() {
     - "strato"
     - "freemyip"
     - "afraid.org"
+    - "cloudflare"
   */
   EasyDDNS.service("duckdns");
 
@@ -46,6 +47,9 @@ void setup() {
 
     For DDNS Providers where you get username and password: ( Leave the password field empty "" if not required )
       Use this: EasyDDNS.client("domain", "username", "password");
+
+    For Cloudflare: 
+      Use this: EasyDDNS.client("domain", "token", "zone_identifier", "identifier");
   */
   EasyDDNS.client("12345.duckdns.org", "token"); // Enter your DDNS Domain & Token
 
@@ -54,6 +58,13 @@ void setup() {
     Serial.print("EasyDDNS - IP Change Detected: ");
     Serial.println(newIP);
   });
+
+  // Debug Error Message
+  EasyDDNS.onError([&](int httpCode, String errorMsg){
+    Serial.print("EasyDDNS - Error Detected: ");
+    Serial.println(String(httpCode));
+    Serial.println(errorMsg);
+  }); 
 }
 
 void loop() {