ccdaservice/ccda_gateway.php

   1 <?php
   2 /**
   3  *
   4  * Copyright (C) 2016-2017 Jerry Padgett <sjpadgett@gmail.com>
   5  *
   6  * LICENSE: This program is free software: you can redistribute it and/or modify
   7  *  it under the terms of the GNU Affero General Public License as
   8  *  published by the Free Software Foundation, either version 3 of the
   9  *  License, or (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU Affero General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU Affero General Public License
  17  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  * @package OpenEMR
  20  * @author Jerry Padgett <sjpadgett@gmail.com>
  21  * @link http://www.open-emr.org
  22  */
  23 //authencate for portal or main- never know where it gets used
  24 session_start();
  25 if (isset($_SESSION['pid']) && isset($_SESSION['patient_portal_onsite_two'])) {
  26     $pid = $_SESSION['pid'];
  27     $ignoreAuth = true;
  28     require_once(dirname(__FILE__) . "/../interface/globals.php");
  29     define('IS_DASHBOARD', false);
  30     define('IS_PORTAL', $_SESSION['pid']);
  31 } else {
  32     session_destroy();
  33     $ignoreAuth = false;
  34     require_once(dirname(__FILE__) . "/../interface/globals.php");
  35     if (!isset($_SESSION['authUserID'])) {
  36         $landingpage = "index.php";
  37         header('Location: ' . $landingpage);
  38         exit;
  39     }
  40
  41     define('IS_DASHBOARD', $_SESSION['authUserID']);
  42     define('IS_PORTAL', false);
  43 }
  44
  45 // give me something to do.
  46 $dowhat = isset($_REQUEST['action']) ? $_REQUEST['action'] : '';
  47 if ($dowhat && $GLOBALS['ccda_alt_service_enable'] > 0) {
  48     if (!checkService()) { // woops, try again
  49         if (!checkService()) { // thats 10 seconds of wasted time.
  50             die("Document service start failed. Click back to return home."); // nuts! give up
  51         }
  52     }
  53 } else {
  54     // maybe next time
  55     die("Cda generation service turned off: Verify in Administration->Globals! Click back to return home."); // Die an honorable death!!
  56 }
  57
  58 //eventually below will qualify what document to fetch
  59 $parameterArray = array();
  60 $parameterArray ['encounter'];
  61 $parameterArray ['combination'] = $pid;
  62 $parameterArray ['components']; // = 'progress_note|consultation_note|continuity_care_document|diagnostic_image_reporting|discharge_summary|history_physical_note|operative_note|procedure_note|unstructured_document';
  63 $parameterArray ['sections']; // = 'allergies|medications|problems|immunizations|procedures|results|plan_of_care|vitals|social_history|encounters|functional_status|referral|instructions';
  64 $parameterArray ['downloadccda'] = 1;
  65 $parameterArray ['sent_by'];
  66 $parameterArray ['send'];
  67 $parameterArray ['view'] = 1;
  68 $parameterArray ['recipients'] = 'patient'; // emr_direct or hie else if not set $_SESSION['authUserID']
  69 $parameterArray [0][6] = $_SESSION ['portal_username']; // set to an onsite portal user
  70
  71 if (!isset($_SESSION['site_id'])) {
  72     $_SESSION ['site_id'] = 'default';
  73 }
  74
  75 $server_url = $_SERVER['HTTP_HOST'] . $GLOBALS['webroot'];
  76 // CCM returns entire cda with service doing templates
  77 $ccdaxml = portalccdafetching($pid, $server_url, $parameterArray);
  78 // disposal decisions will be here.
  79 $h = '';
  80 if (!$parameterArray ['view']) {
  81     header('Content-Type: application/xml');
  82 } else {
  83     $h = '<a href="./../portal/home.php" </a><button style="color: red; background: white;" >' . xlt("Return Home") . '</button><br>';
  84 }
  85
  86 print_r($h . $ccdaxml . $h);
  87 //service_shutdown(1); //In ssmanager  0= terminate and disable 1 = soft=terminate but still active w/no restart, > 1 just restart based on B.S timer
  88 exit;
  89
  90 function portalccdafetching($pid, $server_url, $parameterArray)
  91 {
  92     session_write_close();
  93     $site_id = $_SESSION['site_id'];
  94     $parameters = http_build_query($parameterArray); // future use
  95     try {
  96         $ch = curl_init();
  97         $url = $server_url . "/interface/modules/zend_modules/public/encounterccdadispatch/index?site=$site_id&me=" . session_id() . "&param=1&view=1&combination=$pid&recipient=patient";
  98         curl_setopt($ch, CURLOPT_URL, $url);
  99         curl_setopt($ch, CURLOPT_HEADER, 0); // set true for look see
 100         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
 101         curl_setopt($ch, CURLOPT_COOKIESESSION, true);
 102         curl_setopt($ch, CURLOPT_COOKIEJAR, "cookie");
 103         curl_setopt($ch, CURLOPT_COOKIEFILE, "cookie");
 104         //curl_setopt ($ch, CURLOPT_COOKIE, 'XDEBUG_SESSION=1'); // break on first line in public/index.php - uncomment and start any xdebug session and fetch a ccda in app.
 105         curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)");
 106         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 107
 108         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
 109         curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
 110         $result = curl_exec($ch) or die(curl_error($ch));
 111         curl_close($ch);
 112     } catch (Exception $e) {
 113         return false;
 114     }
 115
 116     return $result;
 117 }
 118
 119 function checkService($ip = "localhost", $port = '6661')
 120 {
 121     $socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
 122     if ($socket === false) {
 123         throw new Exception("Socket Creation Failed");
 124     }
 125
 126     // Connect to the node server.
 127     $result = socket_connect($socket, $ip, $port);
 128     if ($result === false) {
 129         $path = $GLOBALS['fileroot'] . "/ccdaservice";
 130         if (IS_WINDOWS) {
 131             $cmd = "node " . escapeshellarg($path . "/serveccda.js");
 132             pclose(popen("start /B " . $cmd, "r"));
 133         } else {
 134             $cmd = "nodejs " . escapeshellarg($path . "/serveccda.js");
 135             exec($cmd . " > /dev/null &");
 136         }
 137         sleep(2); // give cpu a rest
 138         $result = socket_connect($socket, $ip, $port);
 139         if ($result === false) { // hmm something is amist with service.
 140             throw new Exception("Connection Failed");
 141         }
 142     }
 143     socket_close($socket);
 144     unset($socket);
 145     return true;
 146 }
 147
 148 return 0;