Adding Twilio SMS support. Refactored for multiple SMS providers.

src/SMS_provider_twilio.cpp

@@ -0,0 +1,76 @@
+//
+// Created by stephane bourque on 2021-10-15.
+//
+
+#include "SMS_provider_twilio.h"
+
+#include "Daemon.h"
+#include "Poco/Net/HTTPBasicCredentials.h"
+#include "Poco/URI.h"
+#include "Poco/Net/HTMLForm.h"
+#include "Poco/Net/HTTPSClientSession.h"
+#include "Poco/Net/HTTPResponse.h"
+
+namespace OpenWifi {
+    bool SMS_provider_twilio::Initialize() {
+        Sid_ = Daemon()->ConfigGetString("smssender.twilio.sid","");
+        Token_ = Daemon()->ConfigGetString("smssender.twilio.token","");
+        PhoneNumber_ = Daemon()->ConfigGetString("smssender.twilio.phonenumber","");
+
+        if(Sid_.empty() || Token_.empty() || PhoneNumber_.empty()) {
+            Logger_.debug("SMSSender is disabled. Please provide SID, TOKEN, and PHONE NUMBER.");
+            return false;
+        }
+        Running_=true;
+        Uri_ = "https://api.twilio.com/2010-04-01/Accounts/" + Sid_ + "/Messages.json";
+        return true;
+    }
+
+    bool SMS_provider_twilio::Start() {
+        return true;
+    }
+
+    bool SMS_provider_twilio::Stop() {
+        return true;
+    }
+
+    bool SMS_provider_twilio::Running() {
+        return Running_;
+    }
+
+    bool SMS_provider_twilio::Send(const std::string &PhoneNumber, const std::string &Message) {
+        if(!Running_)
+            return false;
+
+        Poco::Net::HTTPBasicCredentials Creds(Sid_,Token_);
+        Poco::URI   uri(Uri_);
+        Poco::Net::HTMLForm  form;
+
+        Poco::Net::HTTPSClientSession session(uri.getHost(), uri.getPort());
+        Poco::Net::HTTPRequest req(Poco::Net::HTTPRequest::HTTP_POST, uri.getPath(), Poco::Net::HTTPMessage::HTTP_1_1);
+        Creds.authenticate(req);
+
+        Poco::JSON::Object  RObj;
+
+        form.add("To",PhoneNumber);
+        form.add("From",PhoneNumber_);
+        form.add("Body","This is from twillio");
+
+        form.prepareSubmit(req);
+        std::ostream& ostr = session.sendRequest(req);
+        form.write(ostr);
+
+        Poco::Net::HTTPResponse res;
+        std::istream& rs = session.receiveResponse(res);
+
+        if(res.getStatus()==Poco::Net::HTTPResponse::HTTP_OK) {
+            Logger_.information(Poco::format("Message sent to %s", PhoneNumber));
+            return true;
+        } else {
+            std::ostringstream os;
+            Poco::StreamCopier::copyStream(rs,os);
+            Logger_.information(Poco::format("Message was not to %s: Error:%s", PhoneNumber, os.str()));
+            return false;
+        }
+    }
+}