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Faxlib.jm

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//  -*- mode:c; tab-width:4; c-basic-offset:4; c-indent-level:4; indent-tabs-mode:nil;  -*-
/*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH[tm] Spidermonkey Fax Manipulation Library
*
* The Initial Developer of the Original Code is
*
* Bret McDanel <bret AT 0xdecafbad dot com>
*
* Portions created by the Initial Developer are Copyright (C) 2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
*
* faxlib.jm
*
* This is a library to do fax manipulation from within Javascript in FreeSWITCH[tm]
* The goal of this library is to make it easier to send and receive faxes
*
*
* REQUIREMENTS:
*
* - A working install of socket2me from the FreeSWITCH[tm] src
* - tiff2pdf from libtiff tools, in your PATH [optional]
*/


function fax(session,socketaddr,faxFilePrefix,faxFile) {
this.socketaddr=socketaddr;
this.session=session;
this.faxDetect=false;
this.faxFilePrefix="/tmp";
this.faxFile=session.uuid+".tiff";
this.gotFax=false;

if(typeof faxFilePrefix != 'undefined') {
this.faxFilePrefix = faxFilePrefix;
}

if(typeof faxFile != 'undefined') {
this.faxFile = faxFile;
}


// disable fax cng detection
this.stopFaxDetect = function () {
if(this.faxDetect == true) {
this.session.execute("stop_fax_detect","");
this.faxDetect=false;
}
}


// enable fax cng detection
this.startFaxDetect = function () {
if(this.faxDetect == false) {
this.session.execute("fax_detect","");
this.faxDetect=true;
}
}


this.getFaxFile = function () {
return this.faxFilePrefix + "/" + this.faxFile;
}


// receive a fax
this.rxFax = function() {
if(typeof this.socketaddr != 'undefined') {
this.stopFaxDetect();
this.session.execute("set","fax_mode=recv"); // not needed at this time, future proofing
this.session.execute("set","fax_file_name=" + this.getFaxFile());
this.session.execute("socket",this.socketAddr);
fd = new File(this.getFaxFile());
if(fd.exists) {
this.gotFax=true;
}
} else {
console_log("SocketAddr is not set, unable to receive a fax\n");
}
}


// send a fax
this.txFax = function() {
if(typeof this.socketaddr != 'undefined') {
this.session.execute("set","fax_mode=send");
this.session.execute("set","fax_file_name=" + this.getFaxFile());
this.session.execute("socket",this.socketAddr);
} else {
console_log("SocketAddr is not set, unable to transmit a fax\n");
}
}


this.fax2pdf = function() {
fd = new File(this.getFaxFile());
if(fd.exists) {
outfile = this.faxFile.replace(/tiff$/i,"pdf");

if(outfile == this.faxFile) {
outfile = this.faxFile + ".pdf";
}
system("tiff2pdf -z -p letter -t 'FreeSWITCH FAX' -s 'Fax from " + this.session.caller_id_num + "' " +
"-c FreeSWITCH -a FreeSWITCH -f -o " + this.faxFilePrefix + "/" + outfile + " " +
this.getFaxFile());
var pdf = new File(this.faxFilePrefix + "/" + outfile);
if(pdf.exists) {
fd.remove(); // remove the tiff file
this.faxFile = outfile;
return true;
}
}
return false;
}


}

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