added telegram api support to send message on ip update

src/api/API.cpp

@@ -0,0 +1,83 @@
+//
+// Created by lukas on 06.04.19.
+//
+
+#include "API.h"
+#include "../Hashmap.h"
+
+#include <string>
+#include <iostream>
+#include <sstream>
+#include <curl/curl.h>
+
+
+std::string API::request(std::string myurl) {
+    Hashmap<std::string,std::string> map;
+    std::vector<std::string> str;
+
+    return request(std::move(myurl),false,map,str);
+}
+
+std::string API::request(std::string myurl, bool post, Hashmap<std::string,std::string> &map, std::vector<std::string> &headers) {
+    CURL *curl;
+    CURLcode res;
+
+
+    curl = curl_easy_init();
+
+    struct curl_slist *list = nullptr;
+    for (int j = 0; j < headers.size(); ++j) {
+        list = curl_slist_append(list, headers.at(j).c_str());
+    }
+
+    std::string readString;
+    if (curl) {
+        curl_easy_setopt(curl, CURLOPT_URL, myurl.c_str());
+        curl_easy_setopt(curl, CURLOPT_HTTPHEADER, list);
+
+
+        //ssl verification
+        curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
+        curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
+
+        if(post){
+            std::stringstream poststring;
+            poststring <<  "{";
+            for (int i = 0; i < map.size(); i++) {
+                poststring << "\""+map.getKey(i) << "\": \""+map.getValue(i) << "\"";
+                if(i < map.size()-1){
+                    poststring << ", ";
+                }
+            }
+            poststring << "}";
+
+            curl_easy_setopt(curl, CURLOPT_POST, 1);
+            curl_easy_setopt(curl, CURLOPT_COPYPOSTFIELDS, poststring.str().c_str());
+        }else{
+            std::string getstring;
+            for(int i =0; i< map.size();i++){
+                getstring+=map.getKey(i)+"="+map.getValue(i);
+                if(i < map.size()-1){
+                    getstring+="&";
+                }
+            }
+
+            myurl+="?"+getstring;
+        }
+
+
+
+        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
+        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readString);
+
+        res = curl_easy_perform(curl);
+
+        curl_easy_cleanup(curl);
+    }
+    return readString;
+}
+
+size_t API::write_data(void *contents, size_t size, size_t nmemb, FILE *stream) {
+    ((std::string*)stream)->append((char*)contents, size * nmemb);
+    return size * nmemb;
+}

src/api/API.h

@@ -0,0 +1,22 @@
+//
+// Created by lukas on 06.04.19.
+//
+
+#ifndef IPREFRESHER_API_H
+#define IPREFRESHER_API_H
+
+
+#include <string>
+#include "../Hashmap.h"
+
+class API {
+public:
+    std::string request(std::string myurl);
+    std::string request(std::string myurl, bool post, Hashmap<std::string,std::string> &map,std::vector<std::string> &headers);
+
+private:
+    static size_t write_data(void *buffer, size_t size, size_t buffersize, FILE *stream);
+};
+
+
+#endif //IPREFRESHER_API_H

src/api/TelegramAPI.cpp

@@ -0,0 +1,10 @@
+//
+// Created by lukas on 08.05.19.
+//
+
+#include "TelegramAPI.h"
+
+void TelegramAPI::sendMessage(std::string text) {
+    std::string reply = request("https://api.telegram.org/bot"+ apikey + "/sendmessage?chat_id="+chatid+"&text="+text);
+    std::cout << "[DEBUG] " <<reply << std::endl;
+}

src/api/TelegramAPI.h

@@ -0,0 +1,22 @@
+//
+// Created by lukas on 08.05.19.
+//
+
+#ifndef IPREFRESHER_TELEGRAMAPI_H
+#define IPREFRESHER_TELEGRAMAPI_H
+
+
+#include <string>
+#include "API.h"
+
+class TelegramAPI : API{
+public:
+    void sendMessage(std::string text);
+
+private:
+    std::string apikey = "717213769:AAHan1nSXhUsxLJAN1Dv8Oc0z8wqwDdYPn4";
+    std::string chatid = "618154204";
+};
+
+
+#endif //IPREFRESHER_TELEGRAMAPI_H