/
CAJA_WS.php
1169 lines (1011 loc) · 38.4 KB
/
CAJA_WS.php
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<?php
/*
CALI Author 6 / A2J Author 6 (CAJA) * Justice * justicia * 正义 * công lý * 사법 * правосудие
All Contents Copyright The Center for Computer-Assisted Legal Instruction
10/05/2012 Simple CAJA Author Web Service API
A Fuse to handle all a2j author editing stuff
07/01/2013 HACK to login to demo
07/15/2013 Directory restructure
05/2014 Loads author system only if user is logged into Drupal with an 'a2j author' role setting.
07/2014 Create public versions
08/2014 add more file details
01/2015 add mobile JSON handler -- 08/2016 deprecated and removed
all guide saves should include a JSON form
zip/publish should ensure guide.json also exists for each guide.xml.
*/
require_once "vendor/Requests/library/Requests.php";
Requests::register_autoloader();
define('DATE_FORMAT', 'Y-m-d-H-i-s'); // date stamp for file names
define('DATE_FORMAT_UI', 'Y-m-d H:i:s'); // date stamp for human reading
$command=$_REQUEST['cmd'];
$result=array();
$err="";
$mysqli="";
$drupaldb="";
$isProductionServer=TRUE;
if (file_exists("../CONFIG.php")) { // legacy php config file for Author
require "../CONFIG.php";
} else { // unified config.json file for Author/DB/DAT config settings
$config = file_get_contents("../config.json");
$config_data = json_decode($config);
// define local vars from config.json
$isProductionServer = $config_data->isProductionServer;
define("LOCAL_USER", $config_data->LOCAL_USER);
define("GUIDES_DIR", $config_data->GUIDES_DIR);
define("GUIDES_URL", $config_data->GUIDES_URL);
$mysqli = new mysqli($config_data->DB_HOST, $config_data->DB_USER, $config_data->DB_PASSWORD, $config_data->DB_NAME, $config_data->DB_PORT);
}
//check connection
if (mysqli_connect_errno()) {
exit('Connect failed: '. mysqli_connect_error());
}
date_default_timezone_set("America/Chicago");
if ($isProductionServer) {
define('D7_DB_HOST', $config_data->D7_DB_HOST);
define('D7_DB_NAME', $config_data->D7_DB_NAME);
define('D7_DB_USER', $config_data->D7_DB_USER);
define('D7_DB_PASSWORD', $config_data->D7_DB_PASSWORD);
define("DRUPAL_ROOT_DIR", $config_data->DRUPAL_ROOT_DIR);
$drupaldb = new mysqli(D7_DB_HOST,D7_DB_USER,D7_DB_PASSWORD,D7_DB_NAME);
// 09/05/2013 SJG Get Drupal userid from session
// If user not signed in, userid will be 0.
chdir(DRUPAL_ROOT_DIR);
define('DRUPAL_ROOT', getcwd());
// Require the bootstrap include
require_once DRUPAL_ROOT . '/includes/bootstrap.inc';
//Load Drupal
// Minimum bootstrap to get user's session info is DRUPAL_BOOTSTRAP_SESSION.
drupal_bootstrap(DRUPAL_BOOTSTRAP_SESSION);
$userid = intval($user->uid);
$canAuthor = in_array('a2j author', array_values($user->roles));
} else {
// Running locally, just use demo or devuser (26 ,45 for a2jauthor.org).
session_start();// 09/05/2013 WARNING! LEAVE session_start() OFF TO ACCESS DRUPAL SESSIONS!
$userid=LOCAL_USER;
$canAuthor=true;
}
header("Content-type: text/plain; charset=utf-8");
switch ($command){
case 'test':
//var_dump($_SESSION);
//var_dump($user);
//var_dump( array_values($user->roles));
break;
case 'login':
$username='';
$userdir='';
if ($isProductionServer) {
if (($userid>0) && ($canAuthor)) {
// User logged in to Drupal, get their user id, etc.
// Can also get Roles here.
// 03/31/2014 Only A2J Author role permitted to access author.
$username = $user->name;
// Get user's A2J user entry.
$checkuser=$mysqli->query("select * from users where uid=$userid");
$numrows=$checkuser->num_rows;
if (!$numrows)
{ // No entry, create their user file folder and A2J user record.
mkdir(GUIDES_DIR.$username, 0775);//0700);
mkdir(GUIDES_DIR.$username.'/guides', 0775);//0700);
//the next lines do a deep dive into Drupal profiles
//and will need to be custom to each server install
//Drupal 6: $nameres=$drupaldb->query("SELECT group_concat(pv.value SEPARATOR ' ') AS fullname from profile_values pv where pv.uid = $userid and pv.fid in (1,2)");
$nameres=$drupaldb->query("SELECT * from realname where uid = $userid");
$namerow=$nameres->fetch_assoc();
$fullname=$namerow['realname'];
//end Drupal profile stuff
$mysqli->query("insert into users (uid, username, nickname, folder) values ($userid, '$username', '$fullname', '$username')");
$checkuser=$mysqli->query("select * from users where uid=$userid");
}
$userrow=$checkuser->fetch_assoc();
$result['nickname']=$userrow['nickname'];
$userdir=$userrow['folder'];
} else {
$userid=0;
}
} else {
$username='DEV';
$result['nickname']='Dev User';
$userdir='dev';
}
$result['userid']=$userid;
$result['username']=$username;
$result['userdir']=$userdir;
$_SESSION['userdir']=$userdir;
break;
case 'logout':
// do logout, clear seession user id
$userid=0;
$result['userid']=$userid;
$_SESSION['userid']=$userid;
break;
case 'guides':
// list of free, public or user owned guides
listGuides("select * from guides where archive=0 and (isPublic=1 or isFree=1 or (editoruid=$userid)) order by (editoruid=$userid) desc, title asc ");
break;
case 'guidessys':
//array scandir ( string $directory [, int $sorting_order = SCANDIR_SORT_ASCENDING [, resource $context ]] )
break;
case 'guides/owned':
// list of user owned guides
listGuides("select * from guides where archive=0 and (editoruid=$userid) order by title asc");
break;
case 'guides/owned/archive':
// list of user owned guides that were archived
listGuides("select * from guides where archive=1 and (editoruid=$userid) order by title asc");
break;
case 'guide':
// return XML of guide if it's public, free or user owned.
$gid=intval($mysqli->real_escape_string($_REQUEST['gid']));
$res=$mysqli->query("select * from guides where gid=$gid and (isPublic=1 or isFree=1 or editoruid=$userid)");
if ($row=$res->fetch_assoc())
{
$result['gid']=$row['gid'];
$result['editoruid']=$row['editoruid'];
$result['guide']= file_get_contents(GUIDES_DIR.$row['filename'],TRUE);
//scandir()
trace(GUIDES_DIR.$row['filename']);
// 11/26/2013 Include guide's path so we can access local files.
$result['path']=GUIDES_URL.$row['filename'];
}
else
{// not found
}
break;
case 'answerset':
// 4/29/2014 INCOMPLETE return XML of answerfile given answer id. No security check currently.
$gid=intval($mysqli->real_escape_string($_REQUEST['gid']));
//$aid=intval($mysqli->real_escape_string($_REQUEST['aid']));
$res=$mysqli->query("select * from guides where gid=$gid and (isPublic=1 or isFree=1 or editoruid=$userid)");
if ($row=$res->fetch_assoc())
{
$result['gid']=$row['gid'];
$result['editoruid']=$row['editoruid'];
$guideName = $row['filename'];
$path_parts = pathinfo($guideName);
$guideDir = $path_parts['dirname'];
$guideNameOnly = $path_parts['filename'];
$answerset=GUIDES_DIR.$guideDir.'/answerset.anx';
$result['answerset']= file_get_contents($answerset,TRUE);
// 11/26/2013 Include guide's path so we can access local files.
//$result['path']=GUIDES_URL.$row['filename'];
}
else
{// not found
}
break;
case 'guiderecover' :
// recreate json file from good Guide.xml
$gid=intval($mysqli->real_escape_string($_REQUEST['gid']));
$res=$mysqli->query("select * from guides where gid=$gid and editoruid=$userid");
if ($row=$res->fetch_assoc()) {
// this info is for the current state of the interview
$oldtitle=GUIDES_DIR.$row['title'];
$filename=GUIDES_DIR.$row['filename'];
$path_parts = pathinfo($filename);
$filedir = $path_parts['dirname'];
$filenameonly=$path_parts['filename'];
// retrieve most recent saved xml file, if it exists
$verdir = $filedir.'/Versions';
// ignore hidden files starting with a dot
$versionslist = preg_grep('/^([^.])/', scandir($verdir, SCANDIR_SORT_DESCENDING));
$newestfile = $versionslist[0];
if (!($newestfile)) {
$err = 'No versions to restore';
break;
}
$result['info']="Recovering Guide Id: ".$gid;
$result['gid']=$gid;
// never rename the GUIDES_DIR
if (file_exists($filename) && !is_dir($filename) && $filename !== GUIDES_DIR) {
$cordir = $filedir.'/Corrupt';
if (!file_exists($cordir)) {
mkdir($cordir);
}
// backup current corrupted file
$corname=$cordir.'/'.$filenameonly.'_CORRUPTED_'.date(DATE_FORMAT,filemtime($filename)).'.xml';
rename($filename, $corname);
trace('saved corrupt file to '.$corname);
// move recovered file to Guide.xml
$recovered_file = $verdir.'/'.$newestfile;
rename($recovered_file, $filename);
} else {
$err="No permission to recover this guide";
}
}
break;
case 'guidesave':
// update the guide (only if user matches guide's editor
$gid=intval($mysqli->real_escape_string($_REQUEST['gid']));
$title=($mysqli->real_escape_string($_REQUEST['title']));
$xml=$_REQUEST['guide'];
$json=$_REQUEST['json'];//01/14/2015
$res=$mysqli->query("select * from guides where gid=$gid and editoruid=$userid");
if ($row=$res->fetch_assoc()){
$result['info']="Will update!";
// Rename existing auto name file with a date time stamp and save update to autoname
$oldtitle=GUIDES_DIR.$row['title'];
$filename=GUIDES_DIR.$row['filename'];
$path_parts = pathinfo($filename);
$filedir = $path_parts['dirname'];
$filenameonly=$path_parts['filename'];
// never rename the GUIDES_DIR
if (file_exists($filename) && !is_dir($filename) && $filename !== GUIDES_DIR) {
//trace(filemtime($filename));
$verdir = $filedir.'/Versions';
if (!file_exists($verdir)) {
mkdir($verdir);
}
$revname=$verdir.'/'.$filenameonly.' Version_'.date(DATE_FORMAT,filemtime($filename)).'.xml';
rename($filename, $revname);
if ($title!="" && $title != $oldtitle) {
$sql="update guides set title='".$mysqli->real_escape_string($title)."' where gid = $gid";
$res=$mysqli->query($sql);
}
trace('saving to '.$filename);
file_put_contents($filename, $xml);
file_put_contents(replace_extension($filename, 'json'), $json);//01/14/2015
}
} else {
$err="No permission to update this guide";
}
break;
case 'guidearchive':
// 2014-08-26 archive the guide (only if user matches guide's editor
// Archive bit is set in table row, files are NOT removed.
$gid=intval($mysqli->real_escape_string($_REQUEST['gid']));
$title=($mysqli->real_escape_string($_REQUEST['title']));
$res=$mysqli->query("select * from guides where gid=$gid and editoruid=$userid");
if ($row=$res->fetch_assoc())
{
$result['info']="Will archive!";
$sql="update guides set archive=1 where gid=$gid";
if ($res=$mysqli->query($sql))
{
}
}
else
$err="No permission to archive this guide";
break;
case 'answersetsave':
// 4/29/2014 Save answerset into guide's folder. overwrite anything else.
$gid=intval($mysqli->real_escape_string($_REQUEST['gid']));
$res=$mysqli->query("select * from guides where gid=$gid and (isPublic=1 or isFree=1 or editoruid=$userid)");
$xml=$_REQUEST['answerset'];
if ($row=$res->fetch_assoc())
{
$result['info']="Will update!";
$result['gid']=$row['gid'];
$result['editoruid']=$row['editoruid'];
$guideName = GUIDES_DIR.$row['filename'];
$path_parts = pathinfo($guideName);
$guideDir = $path_parts['dirname'];
$filename=$guideDir.'/answerset.anx';
if (file_exists($filename))
{
$verdir = $guideDir.'/Versions_Answersets';
if (!file_exists($verdir))
{
mkdir($verdir);
}
$revname=$verdir.'/answerset Version_'.date(DATE_FORMAT,filemtime($filename)).'.anx';
trace("renaming $filename to $revname");
rename($filename, $revname);
}
trace('saving to '.$filename);
file_put_contents($filename,$xml);
}
else
{// not found
$err="No permission to update this answerset";
}
break;
case 'guidesaveas':
// Saving XML to new record. if gid > 0 we're cloning. if = 0 we've got a new guide.
$oldgid=intval($mysqli->real_escape_string($_REQUEST['gid']));
$title=($mysqli->real_escape_string($_REQUEST['title']));
$xml=$_REQUEST['guide'];
$json=$_REQUEST['json'];//01/14/2015
$res=$mysqli->query("select * from guides where gid=$oldgid");
if ($row=$res->fetch_assoc())
{
if ($title=="") $title = $row['title'];
}
//trace($oldgid);
// Create new entry in guide table including a reference to the cloned guide.
$sql="insert into guides (title,editoruid,clonedfromgid) values ('".$mysqli->real_escape_string($title)."', ".$userid.",".$oldgid.")";
if ($res=$mysqli->query($sql))
{
// Save as content to new folder owned by editor
$newgid=$mysqli->insert_id;
$userdir=$_SESSION['userdir'];if (!isset($userdir))$userdir='00000';
$newdirbase = $userdir.'/guides/'."Guide".$newgid;
//trace($newdirbase);
$newdir = $newdirbase;
$newfile = "Guide.xml";
$newfile = $newdirbase.'/'.$newfile;
$newlocation=GUIDES_DIR.$newfile;
//trace($newlocation);
mkdir(GUIDES_DIR.$newdir);
$filename=GUIDES_DIR.$newfile;
//trace('saving to '.$filename);
file_put_contents($filename,$xml);
file_put_contents(replace_extension($filename,'json'),$json);//01/14/2015
$sql="update guides set filename='".$mysqli->real_escape_string($newfile)."' where gid = $newgid";
if ($res=$mysqli->query($sql))
{
}
chmod($newlocation,0775);
//copy($oldlocation,$newlocation) or trace("Error copy");
$result['url']=$newlocation;
$result['gid']=$newgid;
}
break;
case 'guidesavenew':
// Saving new guide
$title=($mysqli->real_escape_string($_REQUEST['title']));
$xml=$_REQUEST['guide'];
$json=$_REQUEST['json'];
// Create new entry in guide table.
$sql="insert into guides (title,editoruid) values ('".$mysqli->real_escape_string($title)."', ".$userid.")";
// If this fails on blank interview, likely `archive` Field in guides db needs to be ticked to allow default value of null
if ($res=$mysqli->query($sql)) {
// Save as content to new folder owned by editor
$newgid=$mysqli->insert_id;
$userdir=$_SESSION['userdir'];
// TODO: should throw error here, instead of assuming user 00000?
if (!isset($userdir))$userdir='00000';
// new GI asset directory, ex: /dev/guides/Guide924
$newdir = $userdir.'/guides/'."Guide".$newgid;
$newfile = $newdir.'/Guide.xml';
// ex: some/sever/path/userfiles/dev/guides/Guide924
$assetsdir = GUIDES_DIR.$newdir;
mkdir($assetsdir);
$filename=GUIDES_DIR.$newfile;
// create default Guide.xml and Guide.json
file_put_contents($filename,$xml);
file_put_contents(replace_extension($filename,'json'),$json);
// create new templates.json index file
create_templates_index($newgid, $assetsdir);
chmod($assetsdir , 0775);
$sql="update guides set filename='".$mysqli->real_escape_string($newfile)."' where gid = $newgid";
$res=$mysqli->query($sql);
$result['gid']=$newgid;
}
break;
case 'uploadfile':
/*
* jQuery File Upload Plugin PHP Example 5.14
* https://github.com/blueimp/jQuery-File-Upload
*
* Copyright 2010, Sebastian Tschan
* https://blueimp.net
*
* Licensed under the MIT license:
* http://www.opensource.org/licenses/MIT
*/
// 07/2013 SJG - setup to save to user's guide's folder only.
$gid=intval($mysqli->real_escape_string($_REQUEST['gid']));
$res=$mysqli->query("select * from guides where gid=$gid and editoruid=$userid");
if ($row=$res->fetch_assoc())
{
$result['info']="OK";
$filename=$row['filename'];
$path_parts = pathinfo($filename);
$filedir = $path_parts['dirname'];
define('UPLOAD_DIR', GUIDES_DIR.$filedir.'/');
define('UPLOAD_URL', GUIDES_URL.$filedir.'/');
error_reporting(E_ALL | E_STRICT);
include('UploadHandler.php');
$upload_handler = new UploadHandler();
exit();//Return immediately with upload info.
}
break;
case 'deletefiles':
// Front end code in A2J_Tabs.js prevents selection of core Guide and template files
$gid=intval($mysqli->real_escape_string($_REQUEST['gid']));
$filesToDelete=$_REQUEST['fileDeleteList'];
$res=$mysqli->query("select * from guides where gid=$gid and editoruid=$userid");
if ($row=$res->fetch_assoc()) {
$filename=$row['filename'];
$pathParts = pathinfo($filename);
$fileDir = $pathParts['dirname'];
foreach($filesToDelete as $file) {
$deleteFile = GUIDES_DIR.$fileDir.'/'.$file;
$thumbnail = GUIDES_DIR.$fileDir.'/thumbnail/'.$file;
$fileArchiveDir = GUIDES_DIR.$fileDir.'/Archived';
$safeToDelete = file_exists($deleteFile) && !is_dir($deleteFile) && $deleteFile !== GUIDES_DIR;
if (!file_exists($fileArchiveDir)) {
mkdir($fileArchiveDir);
}
if ($safeToDelete) {
// archived first
copy($deleteFile, $fileArchiveDir.'/'.$file);
unlink($deleteFile);
unlink($thumbnail);
}
}
}
break;
case 'uploadguide':
error_reporting(E_ALL | E_STRICT);
$user_dir = (empty($_SESSION['userdir'])) ? '00000' : $_SESSION['userdir'];
$user_guides_dir = $user_dir . '/guides/';
$user_guides_path = GUIDES_DIR . $user_guides_dir;
// place uploaded file in the user's guides folder
define('UPLOAD_DIR', $user_guides_path);
define('UPLOAD_URL', $user_guides_path);
// fail early if there is any error in the $_FILEs['interview'] object
check_for_upload_errors('interview');
// 10/03/2013 Upload existing XML/A2J file to a new guide.
$title = $mysqli->real_escape_string('Untitled uploaded guide');
$sql = "insert into guides (title, editoruid, archive) values ('{$title}', '{$userid}', 0)";
if ($res = $mysqli->query($sql)) {
$new_guide_folder_path = $user_guides_path . "Guide{$mysqli->insert_id}";
process_uploaded_guide_file($mysqli->insert_id, $new_guide_folder_path);
} else {
fail_and_exit(500, 'There has been an error saving your A2J Guided Interview. Please try again or contact webmaster@a2jauthor.org');
}
$new_guide_id = $mysqli->insert_id;
$new_guide_xml_path = $new_guide_folder_path . '/Guide.xml';
$xml = file_get_contents($new_guide_xml_path);
// A2J Guide without the UTF-8 encoding is probably Windows-1252.
if (stripos($xml, 'encoding="UTF-8"') == FALSE) {
$xml = iconv('Windows-1252', 'UTF-8', $xml); // Convert to UTF-8.
file_put_contents($new_guide_xml_path, $xml);
}
// replace the empty guide title with the real one and set the filename
// column which is the path to Guide.xml relative to the 'userfiles' folder
$title = $mysqli->real_escape_string(get_guide_title_from_xml($xml));
$guide_xml_path = $user_guides_dir . "Guide{$new_guide_id}/Guide.xml";
$sql = "update guides set title='{$title}', filename='{$guide_xml_path}' where gid={$new_guide_id}";
if ($res = $mysqli->query($sql)) {
writelognow();
// send gid back to client
$result['status']='Successful Upload';
$result['gid']=$new_guide_id;
} else {
fail_and_exit(500, 'Uh-oh, something went wrong saving the guide');
}
break;
case 'guidezip':
$gid=intval($mysqli->real_escape_string($_REQUEST['gid']));
createGuideZip($gid);
break;
case 'guideZIPLHIQA':
case 'guideZIPLHIDEV':
case 'guideZIPMARLABS':
case 'guideZIPLHI':
case 'guideZIPA2JLOCAL':
case 'guideZIPA2JDEV':
case 'guideZIPA2JPROD':
case 'guideZIPA2JSTAGE':
// 08/10/2015 ZIP guide, POST to LHI, return LHI's result.
// The zip code is identical to the 'guidezip' handler above. Extra steps are below.
$gid=intval($mysqli->real_escape_string($_REQUEST['gid']));
$zipFull = createGuideZip($gid);
// Once zip is built, proceeed to posting it to the host site, LHI.
// POST the ZIP file using standard HTTP POST. Server returns a URL to redirect to.
if ($command=="guideZIPLHIQA") {
$LHI_POST_URL = "https://rebuildqa.lawhelpinteractive.org/Upload/A2JLoader.aspx?Session=" . $gid;
} else if ($command=="guideZIPLHIDEV") {
// $LHI_POST_URL = "https://dev.lawhelpinteractive.org/Upload/A2JLoader.aspx?Session=" . $gid;
$LHI_POST_URL = "https://dev.lawhelpinteractive.org/Upload/A2JLoader.aspx?Session=" . $gid;
} else if ($command=="guideZIPMARLABS") {
$LHI_POST_URL = "http://lhiuat.cloudapp.net/Upload/A2JLoader.aspx?Session=" . $gid;
} else if ($command=="guideZIPLHI") {
$LHI_POST_URL = "https://lawhelpinteractive.org/Upload/A2JLoader.aspx?Session=" . $gid; // LHI production site
} else if ($command=="guideZIPA2JLOCAL") {
$LHI_POST_URL = "http://localhost/api/guide";
} else if ($command=="guideZIPA2JDEV") {
$LHI_POST_URL = "https://dev.a2j.org/api/guide";
} else if ($command=="guideZIPA2JPROD") {
$LHI_POST_URL = "https://www.a2j.org/api/guide";
} else if ($command=="guideZIPA2JSTAGE") {
$LHI_POST_URL = "https://staging.a2j.org/api/guide";
}
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $LHI_POST_URL);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER ,true);
// PHP 5.6 and newer requires CURLOPT_SAFE_UPLOAD set to false
// PHP 7.2 does not allow it
// curl_setopt($ch, CURLOPT_SAFE_UPLOAD, false);
$cfile = makeCurlFile($zipFull);
curl_setopt($ch, CURLOPT_POSTFIELDS, array(
'file' => $cfile,
'gid' => $gid
));
// because Marlabs is using a self-signed cert we need to tell CURL to just carry on
// this should be removed in production
// curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
// curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
$res = curl_exec($ch);
if ($res === FALSE) {
$err = curl_error($ch);
// die(curl_error($ch));
}
// Extract strURL markup from LHI's HTML response and return to caller.
$tag = "strURL";
$tagstart=strpos($res,"<$tag>");
$tagend=strpos($res,"</$tag>",$tagstart);
if ($tagstart!==false) {
$res=trim(substr($res,$tagstart+strlen($tag)+2,$tagend-$tagstart-strlen($tag)-2));
}
// $result['url']=$res ;
$result['url']=$LHI_POST_URL;
// Caller should open a new window with this URL.
// The new window is where author completes LHI process completely separate from A2J Author site.
curl_close ($ch);
break;
case 'guidepublish': // 11-01-26 This button/case removed from app.stache during public testing
//### Publish specified existing guide to custom unique public folder.
$oldgid=intval($mysqli->real_escape_string($_REQUEST['gid']));
$res=$mysqli->query("select * from guides where gid=$oldgid and (isPublic=1 or isFree=1 or editoruid=$userid)");
trace('Publishing gid '.$oldgid);
if ($row=$res->fetch_assoc())
{
$result['gid']=$row['gid'];
$guideName = $row['filename'];
//trace('Publishing name '.$guideName);
$path_parts = pathinfo($guideName);
$guideDir = $path_parts['dirname'];
$guideNameOnly = $path_parts['filename'];
$newSubGuideDir = "public/".$guideDir."/".date(DATE_FORMAT);
$GuidePublicDir = GUIDES_DIR.$newSubGuideDir;
trace('Public dir is "'.$GuidePublicDir.'"');
mkdir($GuidePublicDir,0775,true);
$files = scandir(GUIDES_DIR.$guideDir);
//### Ideally, scan Guide and only zip files used in the interview.
foreach($files as $file) {
$ext = pathinfo($file, PATHINFO_EXTENSION);
if (($ext!='') && ($file!=$guideNameOnly) && ($ext!='zip') && in_array($ext, array('xml','gif','png','jpg','mp3','mp4', 'json'))) {
copy(GUIDES_DIR.$guideDir.'/'.$file,$GuidePublicDir.'/'.$file);
}
}
copy(GUIDES_DIR.$guideName, $GuidePublicDir.'/Guide.xml');
copy(replace_extension(GUIDES_DIR.$guideName,'json'), $GuidePublicDir.'/Guide.json');//01/14/2015
//http://localhost/caja/userfiles/public/dev/guides/A2JFieldTypes/2014-07-22-14-06-12
file_put_contents($GuidePublicDir.'/index.php', '<?php header("Location: /app/js/viewer/A2J_Viewer.php?gid=".$_SERVER["REQUEST_URI"]."Guide.xml"); ?>');
$result['url']=GUIDES_URL.$newSubGuideDir;
trace($result['url']);
// Caller will redirect to download the zip.
}
break;
case 'currentuser':
$path = dirname(__FILE__, 4);
$key = parse_ini_file($path . '/config_env.ini')['A2J_KEY'];
$url = parse_ini_file($path . '/config_env.ini')['A2J_URL'];
$date = date_create();
$timestamp = date_timestamp_get($date);
$payload = [ "id"=>$userid, "time"=>$timestamp ];
$json_payload = json_encode($payload);
$hash = hash_hmac('sha256', $json_payload, $key);
$payload['hmac']=$hash;
$token = base64_encode(json_encode($payload));
$result['token']=$token;
$result['username'] = ($userid == 45) ? "dev" : $user->name; $result['username'] = ($userid == 45) ? "dev" : $user->name;
$result['a2j_url'] = $url;
break;
default:
$err="Unknown command";
break;
}
$result['userid']=$userid;
if($err!="") $result['error']=$err;
$return = json_encode($result);
echo $return;
/**********************************************************/
/************** helper functions **************************/
/**********************************************************/
function makeCurlFile($file) {
$mime = mime_content_type($file);
$info = pathinfo($file);
$name = $info['basename'];
$output = new CURLFile($file, $mime, $name);
return $output;
}
function check_for_upload_errors($upload_name) {
$upload_errors = [
0 => NULL,
1 => 'The uploaded file exceeds the upload_max_filesize',
2 => 'The uploaded file exceeds the MAX_FILE_SIZE value in the HTML form',
3 => 'The uploaded file was only partially uploaded',
4 => 'No file was uploaded',
6 => 'Missing a temporary folder',
7 => 'Failed to write file to disk.',
8 => 'A PHP extension stopped the file upload.',
];
$error_code = $_FILES[$upload_name]['error'];
$error_message = $upload_errors[$error_code];
switch ($error_code) {
case UPLOAD_ERR_OK:
break; // This error code means that the file uploaded with success
case UPLOAD_ERR_INI_SIZE:
case UPLOAD_ERR_FORM_SIZE:
case UPLOAD_ERR_PARTIAL:
case UPLOAD_ERR_NO_FILE:
fail_and_exit(400, $error_message);
case UPLOAD_ERR_NO_TMP_DIR:
case UPLOAD_ERR_CANT_WRITE:
case UPLOAD_ERR_EXTENSION:
fail_and_exit(500, $error_message);
default:
fail_and_exit(500, 'Unknown upload error');
}
}
function cleanup_failed_guide_upload() {
global $mysqli;
$new_guide_id = $mysqli->insert_id;
$new_guide_dir = UPLOAD_DIR . "Guide{$new_guide_id}/";
$mysqli->query("DELETE FROM guides WHERE gid='{$new_guide_id}'");
if (is_dir($new_guide_dir)) {
delete_directory($new_guide_dir);
}
}
function process_uploaded_guide_file($guide_id, $destination_path) {
global $mysqli;
$file_data = $_FILES['interview'];
$temp_file_path = $file_data['tmp_name'];
$mime_type = mime_content_type($temp_file_path);
if ($mime_type == 'application/zip') {
unzip($temp_file_path, $destination_path);
find_guide_file_and_rename($destination_path);
update_guide_templates($guide_id, $destination_path);
update_or_create_templates_index($guide_id, $destination_path);
} else {
$filename = $file_data['name'];
if (has_a2j_or_xml_ext($filename) == TRUE) {
mkdir($destination_path);
move_uploaded_file($temp_file_path, $destination_path . '/Guide.xml');
} else {
cleanup_failed_guide_upload();
fail_and_exit(422, "No valid .a2j or .xml file was provided");
}
}
}
function find_guide_file_and_rename($path) {
global $mysqli;
$possible_xml_files = array("interview.xml", "guide.xml");
if (($files = scandir($path)) != FALSE) {
$guide_files = array_map("strtolower", array_filter($files, "is_valid_guide_file"));
if (count($guide_files) === 0) {
cleanup_failed_guide_upload();
fail_and_exit(422, "No valid .a2j or .xml file was found in the .zip file");
}
if (count($guide_files) > 1) {
cleanup_failed_guide_upload();
// zip contains both an interview.xml and guide.xml
if (count(array_intersect($possible_xml_files, $guide_files)) === 2) {
fail_and_exit(422, "The .zip file cannot contain both an interview.xml and guide.xml");
}
// zip contains multiple .a2j files
if (count(array_filter($guide_files, "has_a2j_ext")) > 1) {
fail_and_exit(422, "The .zip file cannot contain multiple .a2j files");
}
fail_and_exit(422, "The .zip cannot contain both an interview.xml or guide.xml and an .a2j file");
}
// rename the found guide file to Guide.xml
$guide_file_path = $path . "/" . array_values($guide_files)[0];
rename($guide_file_path, $path . "/Guide.xml");
} else {
cleanup_failed_guide_upload();
fail_and_exit(422, "Unable to open .zip file");
}
}
/**
* Update uploaded guide templates to the newly generated guideId
*/
function update_guide_templates($guide_id, $guide_folder_path) {
if (($files = scandir($guide_folder_path)) !== FALSE) {
$templates = array_values(array_filter($files, "is_template_file"));
try {
foreach ($templates as $template) {
$file_path = "{$guide_folder_path}/{$template}";
$json_file = file_get_contents($file_path);
$json_data = json_decode($json_file);
$json_data->guideId = strval($guide_id);
// write updated templates data to json
file_put_contents($file_path, json_encode($json_data));
}
} catch (Exception $e) {
trace("Caught exception: ", $e->getMessage(), "\n");
}
} else {
cleanup_failed_guide_upload();
fail_and_exit(422, "Unable to open .zip file");
}
}
/**
* Create default empty templates.json file
* format { guideId: 600, templateIds: [] }
*/
function create_templates_index($guide_id, $guide_folder_path) {
$templates_index_path = $guide_folder_path . "/templates.json";
if (!file_exists($templates_index_path)) {
try {
$templates_obj = new stdClass();
$templates_obj->guideId = $guide_id;
$templates_obj->templateIds = [];
// write new templates data to json
file_put_contents($templates_index_path, json_encode($templates_obj));
} catch (Exception $e) {
trace("Caught exception: ", $e->getMessage(), "\n");
}
}
}
/**
* Update templates.json file with newly generated guideId from upload
* format { guideId: 600, templateIds: [2, 5, 14] }
*
* creates a new templates.json if it doesn't exist (a2j4 GI uploaded)
* format { guideId: 600, templateIds: [] }
*
* note: front end code handles generating a new templates.json file if it doesn't exist
*/
function update_or_create_templates_index($guide_id, $guide_folder_path) {
$templates_index_path = $guide_folder_path . "/templates.json";
if (file_exists($templates_index_path)) {
try {
$templates_json_file = file_get_contents($templates_index_path);
$templates_json_data = json_decode($templates_json_file);
// update guideId in templates.json index
$templates_json_data->guideId = strval($guide_id);
// write updated templates data to json
file_put_contents($templates_index_path, json_encode($templates_json_data));
} catch (Exception $e) {
trace("Caught exception: ", $e->getMessage(), "\n");
}
} else {
try {
create_templates_index($guide_id, $guide_folder_path);
} catch (Exception $e) {
trace("Caught exception: ", $e->getMessage(), "\n");
}
}
}
function createCookie ($cookie_array) {
$parts = array();
foreach($cookie_array as $name => $value) {
$parts[] = sprintf('%s=%s', $name, $value);
}
$cookie_string = implode('; ', $parts);
return $cookie_string;
}
function get_guide_title_from_xml($xml) {
libxml_use_internal_errors(TRUE);
$guide_xml = simplexml_load_string($xml);
if ($guide_xml === FALSE) {
cleanup_failed_guide_upload();
fail_and_exit(422, "The A2J Guided Interview you are attempting to upload is in an invalid `.xml` file");
} else {
$result = $guide_xml->TITLE; // A2J 4 format
// A2J 6 would be $guide_xml->INFO->TITLE;
if ($result == '') {
$result = $guide_xml->INFO->TITLE;
}
return $result;
}
}
function fail_and_exit($http_code, $message) {
http_response_code($http_code);
header('Content-type: application/json');
$response = [
"error" => [ "code" => $http_code, "message" => $message ]
];
echo json_encode($response);
exit();
}
/**
* Checks if the filename extension starts with a2j
*/
function has_a2j_ext($file) {
$ext = pathinfo($file, PATHINFO_EXTENSION);
return (($ext != "") && (strpos($ext, "a2j") === 0));
}
function has_a2j_or_xml_ext($file) {
$ext = pathinfo($file, PATHINFO_EXTENSION);
return (has_a2j_ext($file) || $ext == "xml");
}
/**
* Check whether the filename is an A2J template file
*
* Template filenames start with the word "template" followed by a numerical id
*/
function is_template_file($filename) {
return (preg_match("/\btemplate\d+.json/", $filename, $matches) === 1);
}
/**
* Given a filename will check if file is a valid guide definition file
*
* Any file with an extension that starts with `a2j` is valid or a file named
* `interview.xml` or `guide.xml`; the casing is not relevant since the function
* will lowercase the filename before the comparison.
*/
function is_valid_guide_file($file) {
$filename = strtolower($file);
return has_a2j_ext($filename) ||
($filename == "interview.xml" || $filename == "guide.xml");
}
/**
* Extracts the zip archive content to the indicated destination
*
* Returns the folder name of the unzipped archive
* **This code assumes the archive will contain a root folder**
*/
function unzip($zip_path, $destination) {
$zip = new ZipArchive;
if ($zip->open($zip_path) === TRUE) {
$foldername = $zip->getNameIndex(0);
$zip->extractTo($destination);
$zip->close();
} else {
fail_and_exit(400, 'Unable to open .zip file');
}
}
/**
* Creates a zip file of Guide files and resources.
*
* Given the `gid` of a Guide Interview, this method will create a zip file
* of all guide resources, including associated templates, in the local guide folder.
* If the zip file exists, it will overwrite the current zipped file.
*
* @param string gid Guide gid used to query mysql
* @return string $zipFull the full local path name to the created zip file
**/
function createGuideZip($gid) {
global $result, $mysqli, $userid;
$result['zip']='';
$res=$mysqli->query("select * from guides where gid=$gid and (isPublic=1 or isFree=1 or editoruid=$userid)");
if ($row=$res->fetch_assoc())
{
$result['gid']=$row['gid'];