3 * Background receive function for phiMail Direct Messaging service.
5 * This script is called by the background service manager
6 * at /library/ajax/execute_background_services.php
8 * Copyright (C) 2013 EMR Direct <http://www.emrdirect.com/>
10 * LICENSE: This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://opensource.org/licenses/gpl-license.php>;.
22 * @author EMR Direct <http://www.emrdirect.com/>
23 * @link http://www.open-emr.org
26 require_once(dirname(__FILE__) . "/log.inc");
27 require_once(dirname(__FILE__) . "/pnotes.inc");
28 require_once(dirname(__FILE__) . "/documents.php");
29 require_once(dirname(__FILE__) . "/gprelations.inc.php");
31 use PHPMailer\PHPMailer\PHPMailer;
34 * Connect to a phiMail Direct Messaging server
37 function phimail_connect(&$phimail_error)
40 if ($GLOBALS['phimail_enable'] == false) {
41 $phimail_error = 'C1';
42 return false; //for safety
45 $phimail_server = @parse_url($GLOBALS['phimail_server_address']);
46 $phimail_username = $GLOBALS['phimail_username'];
47 $phimail_password = $GLOBALS['phimail_password'];
48 $phimail_cafile = dirname(__FILE__) . '/../sites/' . $_SESSION['site_id']
49 . '/documents/phimail_server_pem/phimail_server.pem';
50 if (!file_exists($phimail_cafile)) {
54 $phimail_secure = true;
55 switch ($phimail_server['scheme']) {
58 $server = "tcp://".$phimail_server['host'];
59 $phimail_secure = false;
62 $server = "ssl://" . $phimail_server['host']
63 . ':' . $phimail_server['port'];
68 $server = $GLOBALS['phimail_server_address'];
71 $phimail_error = 'C2';
75 if ($phimail_secure) {
76 $context = stream_context_create();
77 if ($phimail_cafile != '' &&
78 (!stream_context_set_option($context, 'ssl', 'verify_peer', true) ||
79 !stream_context_set_option($context, 'ssl', 'cafile', $phimail_cafile))) {
80 $phimail_error = 'C3';
86 while ($socket_tries < 3 && !$fp) {
88 $fp = @stream_socket_client(
93 STREAM_CLIENT_CONNECT,
100 $err2 = xl('Server may be offline');
104 $err2 = xl('Connection error');
107 $phimail_error = "C4 $err1 ($err2)";
110 $fp = @fsockopen($server, $phimail_server['port']);
117 * Connect to a phiMail Direct Messaging server and check for any incoming status
118 * messages related to previously transmitted messages or any new messages received.
121 function phimail_check()
123 $fp = phimail_connect($err);
125 phimail_logit(0, xl('could not connect to server').' '.$err);
129 $phimail_username = $GLOBALS['phimail_username'];
130 $phimail_password = $GLOBALS['phimail_password'];
132 $ret = phimail_write_expect_OK($fp, "AUTH $phimail_username $phimail_password\n");
134 phimail_logit(0, "authentication error " . $ret);
138 if (!($notifyUsername = $GLOBALS['phimail_notify'])) {
139 $notifyUsername='admin'; //fallback
143 phimail_write($fp, "CHECK\n");
144 $ret=fgets($fp, 512);
146 if ($ret=="NONE\n") { //nothing to process
148 phimail_logit(1, "message check completed");
150 } else if (substr($ret, 0, 6)=="STATUS") {
151 //Format STATUS message-id status-code [additional-information]
152 $val=explode(" ", trim($ret), 4);
153 $sql='SELECT * from direct_message_log WHERE msg_id = ?';
154 $res = sqlStatementNoLog($sql, array($val[1]));
155 if ($res===false) { //database problem
157 phimail_logit(0, "database problem");
161 if (($msg=sqlFetchArray($res))===false) {
162 //no match, so log it and move on (should never happen)
163 phimail_logit(0, "NO MATCH: ".$ret);
164 $ret = phimail_write_expect_OK($fp, "OK\n");
172 //if we get here, $msg contains the matching outgoing message record
173 if ($val[2]=='failed') {
176 } else if ($val[2]=='dispatched') {
180 //unrecognized status, log it and move on (should never happen)
181 $ret = "UNKNOWN STATUS: ".$ret;
186 phimail_logit($success, $ret, $msg['patient_id']);
188 if (!isset($val[3])) {
192 $sql = "UPDATE direct_message_log SET status=?, status_ts=NOW(), status_info=? WHERE msg_type='S' AND msg_id=?";
193 $res = sqlStatementNoLog($sql, array($status,$val[3],$val[1]));
194 if ($res===false) { //database problem
196 phimail_logit(0, "database problem updating: ".$val[1]);
201 //notify local user of failure
202 $sql = "SELECT username FROM users WHERE id = ?";
203 $res2 = sqlStatementNoLog($sql, array($msg['user_id']));
204 $fail_user = ($res2 === false || ($user_row = sqlFetchArray($res2)) === false) ?
205 xl('unknown (see log)') : $user_row['username'];
206 $fail_notice = xl('Sent by:') . ' ' . $fail_user . '(' . $msg['user_id'] . ') ' . xl('on') . ' ' . $msg['create_ts']
207 . "\n" . xl('Sent to:') . ' ' . $msg['recipient'] . "\n" . xl('Server message:') . ' ' . $ret;
208 phimail_notify(xl('Direct Messaging Send Failure.'), $fail_notice);
209 $pnote_id = addPnote(
211 xl("FAILURE NOTICE: Direct Message Send Failed.") . "\n\n$fail_notice\n",
222 //done with this status message
223 $ret = phimail_write_expect_OK($fp, "OK\n");
228 } else if (substr($ret, 0, 4)=="MAIL") {
229 $val = explode(" ", trim($ret), 5); // MAIL recipient sender #attachments msg-id
235 //request main message
236 $ret2 = phimail_write_expect_OK($fp, "SHOW 0\n");
242 //get message headers
244 while (($next_hdr = fgets($fp, 1024)) != "\n") {
248 $mime_type=fgets($fp, 512);
249 $mime_info=explode(";", $mime_type);
250 $mime_type_main=strtolower($mime_info[0]);
252 //get main message body
253 $body_len=fgets($fp, 256);
254 $body=phimail_read_blob($fp, $body_len);
260 $att2=fgets($fp, 256);
261 if ($att2!=$att) { //safety for mismatch on attachments
266 //get attachment info
268 for ($attnum=0; $attnum<$att; $attnum++) {
269 if (($attinfo[$attnum]['name']=fgets($fp, 1024)) === false
270 || ($attinfo[$attnum]['mime']=fgets($fp, 1024)) === false
271 || ($attinfo[$attnum]['desc']=fgets($fp, 1024)) === false) {
278 //main part gets stored as document if not plain text content
279 //(if plain text it will be the body of the final pnote)
280 $all_doc_ids = array();
283 if ($mime_type_main != "text/plain") {
284 $name = uniqid("dm-message-") . phimail_extension($mime_type_main);
285 $doc_id = phimail_store($name, $mime_type_main, $body);
291 $idnum=$doc_id['doc_id'];
292 $all_doc_ids[] = $idnum;
294 $url=substr($url, strrpos($url, "/")+1);
295 $att_detail = "\n" . xl("Document") . " $idnum (\"$url\"; $mime_type_main; " .
296 filesize($body) . " bytes) Main message body";
299 //download and store attachments
300 for ($attnum=0; $attnum<$att; $attnum++) {
301 $ret2 = phimail_write_expect_OK($fp, "SHOW " . ($attnum+1) . "\n");
307 //we can ignore next two lines (repeat of name and mime-type)
308 if (($a1=fgets($fp, 512))===false || ($a2=fgets($fp, 512))===false) {
313 $att_len = fgets($fp, 256); //length of file
314 $attdata = phimail_read_blob($fp, $att_len);
315 if ($attdata===false) {
320 $attinfo[$attnum]['file']=$attdata;
322 $req_name = trim($attinfo[$attnum]['name']);
323 $req_name = (empty($req_name) ? $attdata : "dm-") . $req_name;
324 $attinfo[$attnum]['mime'] = explode(";", trim($attinfo[$attnum]['mime']));
325 $attmime = strtolower($attinfo[$attnum]['mime'][0]);
326 $att_doc_id = phimail_store($req_name, $attmime, $attdata);
332 $attinfo[$attnum]['doc_id']=$att_doc_id;
333 $idnum=$att_doc_id['doc_id'];
334 $all_doc_ids[] = $idnum;
335 $url=$att_doc_id['url'];
336 $url=substr($url, strrpos($url, "/")+1);
337 $att_detail = $att_detail . "\n" . xl("Document") . " $idnum (\"$url\"; $attmime; " .
338 filesize($attdata) . " bytes) " . trim($attinfo[$attnum]['desc']);
341 if ($att_detail != "") {
342 $att_detail = "\n\n" . xl("The following documents were attached to this Direct message:") . $att_detail;
345 $ret2 = phimail_write_expect_OK($fp, "DONE\n"); //we'll check for failure after logging.
347 //logging only after succesful download, storage, and acknowledgement of message
348 $sql = "INSERT INTO direct_message_log (msg_type,msg_id,sender,recipient,status,status_ts,user_id) " .
349 "VALUES ('R', ?, ?, ?, 'R', NOW(), ?)";
350 $res = sqlStatementNoLog($sql, array($msg_id,$sender,$recipient,phimail_service_userID()));
352 phimail_logit(1, $ret);
354 //alert appointed user about new message
355 switch ($mime_type_main) {
357 $body_text = @file_get_contents($body); //this was not uploaded as a document
359 $pnote_id = addPnote(
361 xl("Direct Message Received.") . "\n$hdrs\n$body_text$att_detail",
373 $note = xl("Direct Message Received.") . "\n$hdrs\n"
374 . xl("Message content is not plain text so it has been stored as a document.") . $att_detail;
375 $pnote_id = addPnote(0, $note, 0, 1, "Unassigned", $notifyUsername, "", "New", "phimail-service");
379 foreach ($all_doc_ids as $doc_id) {
380 setGpRelation(1, $doc_id, 6, $pnote_id);
387 } else { //unrecognized or FAIL response
388 phimail_logit(0, "problem checking messages " . $ret);
398 function phimail_write($fp, $text)
404 function phimail_write_expect_OK($fp, $text)
406 phimail_write($fp, $text);
407 $ret = fgets($fp, 256);
408 if ($ret!="OK\n") { //unexpected error
416 function phimail_close($fp)
418 fwrite($fp, "BYE\n");
423 function phimail_logit($success, $text, $pid = 0, $event = "direct-message-check")
425 newEvent($event, "phimail-service", 0, $success, $text, $pid);
429 * Read a blob of data into a local temporary file
430 * @param $len number of bytes to read
431 * @return the temp filename, or FALSE if failure
433 function phimail_read_blob($fp, $len)
436 $fpath=$GLOBALS['temporary_files_dir'];
437 if (!@file_exists($fpath)) {
441 $name = uniqid("direct-");
442 $fn = $fpath . "/" . $name . ".dat";
444 while (file_exists($fn)) {
445 $fn = $fpath . "/" . $name . "." . $dup++ . ".dat";
448 $ff = @fopen($fn, "w");
455 while (!feof($fp) && $bytes_left>0) {
456 if ($bytes_left < $chunk_size) {
457 $chunk_size = $bytes_left;
460 $chunk = fread($fp, $chunk_size);
461 if ($chunk===false || @fwrite($ff, $chunk)===false) {
467 $bytes_left -= strlen($chunk);
475 * Return a suitable filename extension based on MIME-type
476 * (very limited, default is .dat)
478 function phimail_extension($mime)
480 $m=explode("/", $mime);
497 function phimail_service_userID($name = 'phimail-service')
499 $sql = "SELECT id FROM users WHERE username=?";
500 if (($r = sqlStatementNoLog($sql, array($name))) === false ||
501 ($u = sqlFetchArray($r)) === false) {
502 $user=1; //default if we don't have a service user
512 * Registers an attachment or non-text message file using the existing Document structure
513 * @return Array(doc_id,URL) of the file as stored in documents table, false = failure
515 function phimail_store($name, $mime_type, $fn)
518 // Collect phimail user id
519 $user = phimail_service_userID();
521 // Import the document
522 $return = addNewDocument($name, $mime_type, $fn, 0, filesize($fn), $user, 'direct');
524 // Remove the temporary file
532 * Send an error notification or other alert to the notification address specified in globals.
533 * (notification email function modified from interface/drugs/dispense_drug.php)
534 * @return true if notification successfully sent, false otherwise
536 function phimail_notify($subj, $body)
538 $recipient = $GLOBALS['practice_return_email_path'];
539 if (empty($recipient)) {
543 $mail = new PHPMailer();
544 $mail->From = $recipient;
545 $mail->FromName = 'phiMail Gateway';
547 $mail->Host = "localhost";
548 $mail->Mailer = "mail";
550 $mail->Subject = $subj;
551 $mail->AddAddress($recipient);
552 return ($mail->Send());