SMTP Client

Makefile

@@ -1,5 +1,5 @@
 .POSIX:
-INC=-I/home/user/project/resources/boost_1_81_0 -L/home/user/project/resources/boost_1_81_0/stage/lib
+INC=-I/home/user/project/resources/boost_1_81_0 -I/home/user/project/resources/CPP-SMTPClient-library/src -I/usr/include -L/usr/lib -L/home/user/project/resources/CPP-SMTPClient-library -L/home/user/project/resources/boost_1_81_0/stage/lib
 SRCFILES = src/main.cpp
 
 db:
@@ -17,7 +17,7 @@ all:
 	g++ $(INC) -o cavecomm $(SRCFILES) -lpqxx -lfmt -pthread
 
 build: 
-	g++ $(INC) -o cavecomm $(SRCFILES) -lpqxx -lfmt -pthread
+	g++ $(INC) -o cavecomm $(SRCFILES) -lpqxx -lfmt -l:libsmtpclient.a -lcrypto -lssl  -pthread
 
 release: 
 	mkdir bin

src/utilities.cpp

@@ -4,16 +4,74 @@
 #include <vector>
 #include <pqxx/pqxx>
 #include "crow.h"
+#include "cpp/opportunisticsecuresmtpclient.hpp"
+#include "cpp/plaintextmessage.hpp"
+#include "cpp/htmlmessage.hpp"
+#include <stdexcept>
 
+using namespace jed_utils::cpp;
 
 /*
  * Utility Manager
  */
 namespace Utilities {
+    /*
+     * Struct representing the configuration file
+     */
+    struct config {
+        std::string configPath = "cavecomm.conf";
+        std::string emailAddress = "testuser0ed6e@waifu.club";
+        std::string emailPassword = "Ve4m6GSjJ";
+        std::string emailServerAddress = "mail.cock.li";
+        int emailServerPort = 587;
+        std::string emailAddressDisplay = "Cavecomm Automated Management System";
+
+        /*
+         * Parses the config file and fills the struct.
+         */
+        void readConfigFile(){
+
+        }
+    };
     /*
      * Takes String and cuts from the start-up to the length of valueName
      */
     std::string extractSingleValueFromRequestBody(std::string responseBody, std::string valueName){
         return responseBody.substr(valueName.length() + 1, responseBody.length());
     }
+
+    /*
+     * Sends an HTML Email using CPP-SMTPClient-library
+     * return 0 at success, 1 at client fail, 2 at critical fail.
+     */
+    int sendEmail(config configuration, std::string destinationEmail, std::string emailSubject, std::string htmlBody){
+        OpportunisticSecureSMTPClient client(configuration.emailServerAddress, configuration.emailServerPort);
+        client.setCredentials(Credential(configuration.emailAddress, configuration.emailPassword));
+        try	{
+            const MessageAddress from(configuration.emailAddress, configuration.emailAddressDisplay);
+            const auto to = { MessageAddress(destinationEmail) };
+            const auto subject = emailSubject;
+            const auto body = htmlBody;
+            const std::vector<MessageAddress> cc = {};
+            const std::vector<MessageAddress> bcc = {};
+            const std::vector<Attachment> attachments = {};
+            HTMLMessage msg(from, to, subject, body, cc, bcc, attachments);
+
+            int err_no = client.sendMail(msg);
+            if (err_no != 0) {
+                std::cerr << client.getCommunicationLog() << '\n';
+                std::string errorMessage = client.getErrorMessage(err_no);
+                std::cerr << "An error occurred: " << errorMessage
+                          << " (error no: " << err_no << ")" << '\n';
+                return 1;
+            }
+            std::cout << client.getCommunicationLog() << '\n';
+            std::cout << "Operation completed!" << std::endl;
+        }
+        catch (std::invalid_argument &err) {
+            std::cerr << err.what() << std::endl;
+            return 2;
+        }
+        return 0;
+    }
 }