support HttpAcct Authorization header with PTlib HTTP client, too

Author: willamowius

changes.txt

@@ -1,13 +1,12 @@
 Changes from 5.10 to 5.11
 =========================
-- fix bug with H.245 address and UDP source when using ExternalIP=
+- fix bug with H.245 address and UDP source when using ExternalIP= switch
 - remove non-working command line switch -e / --externalip, use config file to set ExternalIP
 - new accounting variables %{registrations}, %{calls}, %{total-calls}, %{successful-calls}, %{allocated-bandwidth}
 - new switch [HttpAcct] Authorization= to send authorization headers to support InfluxDB
-  (GnuGk needs to be compiled with libcurl)
 - replace \r and \n in HttpAcct body with carriage return and line feed characters
 - BUGFIX(Toolkit.cxx) fix tracing of port notifications
-- new switch: [RasSrv::LRQFeatures] PreserveDestination=1
+- new switch: [RasSrv::LRQFeatures] PreserveDestination=1 (helpful when calling Pexip servers)
 
 Changes from 5.9 to 5.10
 ========================

docs/manual/acct.sgml

@@ -1078,7 +1078,6 @@ The content type header to send in POST requests.
 Default: <tt>N/A</tt><newline>
 <p>
 The authorization header to send in HTTP requests.
-GnuGk must be compiled with libcurl support for this.
 
 <item><tt/TimestampFormat=MySQL/<newline>
 Default: <tt>N/A</tt><newline>

httpacct.cxx

@@ -257,6 +257,9 @@ GkAcctLogger::Status HttpAcct::HttpLog(PString url, PString body)
         body.Replace("\\r", cr, true);
         PMIMEInfo outMIME;
         outMIME.SetAt(PMIMEInfo::ContentTypeTag(), (const char *)m_contentType);
+        if (!m_authorization.IsEmpty()) {
+            outMIME.SetAt("Authorization", (const char *)m_authorization);
+        }
         PMIMEInfo replyMIME;
         if (!http.PostData(url, outMIME, body, replyMIME, result)) {
             PTRACE(2, "HttpAcct\tCould not POST to " << host);