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525 lines
20 KiB
525 lines
20 KiB
<?php
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/* For licensing terms, see /license.txt */
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/*
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* PREVENT RESUBMITING
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* This part checks if the $dropbox_unid var has the same ID
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* as the session var $dropbox_uniqueid that was registered as a session
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* var before.
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* The resubmit prevention only works with GET requests, because it gives some annoying
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* behaviours with POST requests.
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*/
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/*
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if (isset($_POST['dropbox_unid'])) {
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$dropbox_unid = $_POST['dropbox_unid'];
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} elseif (isset($_GET['dropbox_unid'])) {
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$dropbox_unid = $_GET['dropbox_unid'];
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} else {
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die(get_lang('BadFormData').' (code 400)');
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}
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if (isset($_SESSION['dropbox_uniqueid']) && isset($_GET['dropbox_unid']) && $dropbox_unid == $_SESSION['dropbox_uniqueid']) {
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//resubmit : go to index.php
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// only prevent resending of data for GETS, not POSTS because this gives annoying results
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if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') {
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$mypath = 'https';
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} else {
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$mypath = 'http';
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}
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$mypath = $mypath.'://'.$_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']).'/index.php';
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header("Location: $mypath");
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}
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$dropbox_uniqueid = $dropbox_unid;
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api_session_register('dropbox_uniqueid');
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*/
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/**
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* FORM SUBMIT
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* - VALIDATE POSTED DATA
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* - UPLOAD NEW FILE
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*/
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if (isset($_POST['submitWork'])) {
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require_once api_get_path(LIBRARY_PATH) . 'fileUpload.lib.php';
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$error = false;
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$errormsg = '';
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/**
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* FORM SUBMIT : VALIDATE POSTED DATA
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*/
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// the author or description field is empty
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if (!isset($_POST['authors']) || !isset( $_POST['description'])) {
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$error = true;
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$errormsg = get_lang('BadFormData');
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} elseif (!isset( $_POST['recipients']) || count( $_POST['recipients']) <= 0) {
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$error = true;
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$errormsg = get_lang('NoUserSelected');
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} else {
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$thisIsAMailing = false; // RH: Mailing selected as destination
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$thisIsJustUpload = false; // RH
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foreach ($_POST['recipients'] as $rec) {
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if ($rec == 'mailing') {
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$thisIsAMailing = true;
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} elseif ($rec == 'upload') {
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$thisIsJustUpload = true;
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} elseif (strpos($rec, 'user_') === 0 && !isCourseMember(substr($rec, strlen('user_')))) {
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echo '401';
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die(get_lang('BadFormData').' (code 401)');
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} elseif (strpos($rec, 'group_') !== 0 && strpos($rec, 'user_') !== 0) {
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echo '402';
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die(get_lang('BadFormData').' (code 402)');
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}
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}
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// we are doing a mailing but an additional recipient is selected
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if ($thisIsAMailing && ( count($_POST['recipients']) != 1)) {
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$error = true;
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$errormsg = get_lang('MailingSelectNoOther');
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}
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// we are doing a just upload but an additional recipient is selected.
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elseif ( $thisIsJustUpload && ( count($_POST['recipients']) != 1)) {
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$error = true;
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$errormsg = get_lang('MailingJustUploadSelectNoOther');
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} elseif (empty($_FILES['file']['name'])) {
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$error = true;
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$errormsg = get_lang('NoFileSpecified');
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}
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}
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//check if $_POST['cb_overwrite'] is true or false
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$dropbox_overwrite = false;
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if (isset($_POST['cb_overwrite']) && $_POST['cb_overwrite']) {
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$dropbox_overwrite = true;
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}
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/**
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* FORM SUBMIT : UPLOAD NEW FILE
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*/
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if (!$error) {
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$dropbox_filename = $_FILES['file']['name'];
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$dropbox_filesize = $_FILES['file']['size'];
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$dropbox_filetype = $_FILES['file']['type'];
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$dropbox_filetmpname = $_FILES['file']['tmp_name'];
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if ($dropbox_filesize <= 0 || $dropbox_filesize > dropbox_cnf('maxFilesize')) {
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$errormsg = get_lang('TooBig'); // TODO: The "too big" message does not fit in the case of uploading zero-sized file.
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$error = true;
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} elseif (!is_uploaded_file($dropbox_filetmpname)) { // check user fraud : no clean error msg.
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die(get_lang('BadFormData').' (code 403)');
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}
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if (!$error) {
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// Try to add an extension to the file if it hasn't got one
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$dropbox_filename = add_ext_on_mime($dropbox_filename, $dropbox_filetype);
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// Replace dangerous characters
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$dropbox_filename = replace_dangerous_char($dropbox_filename);
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// Transform any .php file in .phps fo security
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$dropbox_filename = php2phps($dropbox_filename);
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if (!filter_extension($dropbox_filename)) {
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$error = true;
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$errormsg = get_lang('UplUnableToSaveFileFilteredExtension');
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} else {
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// set title
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$dropbox_title = $dropbox_filename;
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// set author
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if ($_POST['authors'] == '') {
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$_POST['authors'] = getUserNameFromId($_user['user_id']);
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}
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if ($dropbox_overwrite) { // RH: Mailing: adapted
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$dropbox_person = new Dropbox_Person($_user['user_id'], $is_courseAdmin, $is_courseTutor);
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foreach ($dropbox_person->sentWork as $w) {
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if ($w->title == $dropbox_filename) {
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if (($w->recipients[0]['id'] > dropbox_cnf('mailingIdBase')) xor $thisIsAMailing) {
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$error = true;
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$errormsg = get_lang('MailingNonMailingError');
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}
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if ( ($w->recipients[0]['id'] == $_user['user_id']) xor $thisIsJustUpload) {
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$error = true;
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$errormsg = get_lang('MailingJustUploadSelectNoOther');
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}
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$dropbox_filename = $w->filename;
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$found = true;
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break;
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}
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}
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} else {
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// rename file to login_filename_uniqueId format
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$dropbox_filename = getLoginFromId( $_user['user_id']) . '_' . $dropbox_filename . '_'.uniqid('');
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}
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if (!is_dir(dropbox_cnf('sysPath'))) {
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//The dropbox subdir doesn't exist yet so make it and create the .htaccess file
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mkdir(dropbox_cnf('sysPath'), api_get_permissions_for_new_directories()) or die(get_lang('ErrorCreatingDir').' (code 404)');
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$fp = fopen(dropbox_cnf('sysPath').'/.htaccess', 'w') or die(get_lang('ErrorCreatingDir').' (code 405)');
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fwrite($fp, "AuthName AllowLocalAccess
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AuthType Basic
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order deny,allow
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deny from all
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php_flag zlib.output_compression off") or die(get_lang('ErrorCreatingDir').' (code 406)');
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}
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if ($error) {}
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elseif ($thisIsAMailing) { // RH: $newWorkRecipients is integer - see class
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if (preg_match(dropbox_cnf('mailingZipRegexp'), $dropbox_title)) {
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$newWorkRecipients = dropbox_cnf('mailingIdBase');
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} else {
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$error = true;
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$errormsg = $dropbox_title . ': ' . get_lang('MailingWrongZipfile');
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}
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} elseif ( $thisIsJustUpload) { // RH: $newWorkRecipients is empty array
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$newWorkRecipients = array();
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} else {
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// creating the array that contains all the users who will receive the file
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$newWorkRecipients = array();
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foreach ($_POST['recipients'] as $rec) {
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if (strpos($rec, 'user_') === 0) {
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$newWorkRecipients[] = substr($rec, strlen('user_'));
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} elseif (strpos($rec, 'group_') === 0) {
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$userList = GroupManager::get_subscribed_users(substr($rec, strlen('group_')));
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foreach ($userList as $usr) {
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if (!in_array($usr['user_id'], $newWorkRecipients) && $usr['user_id'] != $_user['user_id']) {
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$newWorkRecipients[] = $usr['user_id'];
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}
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}
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}
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}
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}
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// After uploading the file, create the db entries
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if (!$error) {
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@move_uploaded_file( $dropbox_filetmpname, dropbox_cnf('sysPath') . '/' . $dropbox_filename)
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or die(get_lang('UploadError').' (code 407)');
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new Dropbox_SentWork($_user['user_id'], $dropbox_title, $_POST['description'], strip_tags($_POST['authors']), $dropbox_filename, $dropbox_filesize, $newWorkRecipients);
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}
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}
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}
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} //end if(!$error)
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/**
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* SUBMIT FORM RESULTMESSAGE
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*/
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if (!$error) {
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$return_message = get_lang('FileUploadSucces');
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} else {
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$return_message = $errormsg;
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}
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} // end if ( isset( $_POST['submitWork']))
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/**
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* RH: EXAMINE OR SEND MAILING (NEW)
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*/
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if (isset($_GET['mailingIndex'])) { // examine or send
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$dropbox_person = new Dropbox_Person( $_user['user_id'], $is_courseAdmin, $is_courseTutor);
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if (isset($_SESSION['sentOrder'])) {
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$dropbox_person->orderSentWork($_SESSION['sentOrder']);
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}
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$i = $_GET['mailingIndex'];
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$mailing_item = $dropbox_person->sentWork[$i];
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$mailing_title = $mailing_item->title;
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$mailing_file = dropbox_cnf('sysPath') . '/' . $mailing_item->filename;
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$errormsg = '<b>' . $mailing_item->recipients[0]['name'] . ' ('
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. "<a href='dropbox_download.php?origin=$origin&id=".urlencode($mailing_item->id)."'>"
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. htmlspecialchars($mailing_title, ENT_QUOTES, api_get_system_encoding()) . '</a>):</b><br /><br />';
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if (preg_match( dropbox_cnf('mailingZipRegexp'), $mailing_title, $nameParts)) {
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$var = api_strtoupper($nameParts[2]); // the variable part of the name
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$course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
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$sel = "SELECT u.user_id, u.lastname, u.firstname, cu.status
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FROM `".$_configuration['main_database']."`.`user` u
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LEFT JOIN $course_user cu
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ON cu.user_id = u.user_id AND cu.relation_type<>".COURSE_RELATION_TYPE_RRHH." AND cu.course_code = '".$_course['sysCode']."'";
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$sel .= " WHERE u.".dropbox_cnf("mailingWhere".$var)." = '";
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function getUser($thisRecip) {
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// string result = error message, array result = [user_id, lastname, firstname]
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global $var, $sel;
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if (isset($students)) {
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unset($students);
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}
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$result = Database::query($sel . $thisRecip . "'");
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while ( ($res = Database::fetch_array($result))) {$students[] = $res;}
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Database::free_result($result);
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if (count($students) == 1) {
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return($students[0]);
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} elseif (count($students) > 1) {
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return ' <'.get_lang('MailingFileRecipDup', '').$var."= $thisRecip>";
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} else {
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return ' <'.get_lang('MailingFileRecipNotFound', '').$var."= $thisRecip>";
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}
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}
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$preFix = $nameParts[1]; $postFix = $nameParts[3];
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$preLen = api_strlen($preFix); $postLen = api_strlen($postFix);
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function findRecipient($thisFile) {
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// string result = error message, array result = [user_id, lastname, firstname, status]
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global $nameParts, $preFix, $preLen, $postFix, $postLen;
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if (preg_match(dropbox_cnf('mailingFileRegexp'), $thisFile, $matches)) {
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$thisName = $matches[1];
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if (api_substr($thisName, 0, $preLen) == $preFix) {
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if ($postLen == 0 || api_substr($thisName, -$postLen) == $postFix) {
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$thisRecip = api_substr($thisName, $preLen, api_strlen($thisName) - $preLen - $postLen);
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if ($thisRecip) {
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return getUser($thisRecip);
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}
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return ' <'.get_lang('MailingFileNoRecip', '').'>';
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} else {
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return ' <'.get_lang('MailingFileNoPostfix', '').$postFix.'>';
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}
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} else {
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return ' <'.get_lang('MailingFileNoPrefix', '').$preFix.'>';
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}
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} else {
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return ' <'.get_lang('MailingFileFunny', '').'>';
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}
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}
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require api_get_path(LIBRARY_PATH) . 'pclzip/pclzip.lib.php';
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$zipFile = new pclZip($mailing_file);
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$goodFiles = array();
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$zipContent = $zipFile->listContent();
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$ucaseFiles = array();
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if ($zipContent) {
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foreach( $zipFile->listContent() as $thisContent) {
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$thisFile = substr(strrchr('/' . $thisContent['filename'], '/'), 1);
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$thisFileUcase = strtoupper($thisFile);
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if (preg_match("~.(php.*|phtml)$~i", $thisFile)) {
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$error = true;
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$errormsg .= $thisFile . ': ' . get_lang('MailingZipPhp');
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break;
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} elseif (!$thisContent['folder']) {
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if ($ucaseFiles[$thisFileUcase]) {
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$error = true;
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$errormsg .= $thisFile . ': ' . get_lang('MailingZipDups');
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break;
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} else {
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$goodFiles[$thisFile] = findRecipient($thisFile);
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$ucaseFiles[$thisFileUcase] = 'yep';
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}
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}
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}
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} else {
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$error = true;
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$errormsg .= get_lang('MailingZipEmptyOrCorrupt');
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}
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if (!$error) {
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$students = array(); // collect all recipients in this course
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foreach ($goodFiles as $thisFile => $thisRecip) {
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$errormsg .= htmlspecialchars($thisFile, ENT_QUOTES, api_get_system_encoding()) . ': ';
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if (is_string($thisRecip)) { // see findRecipient
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$errormsg .= '<font color="#FF0000">'
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. htmlspecialchars($thisRecip, ENT_QUOTES, api_get_system_encoding()) . '</font><br />';
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} else {
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if ( isset( $_GET['mailingSend'])) {
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$errormsg .= get_lang('MailingFileSentTo');
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} else {
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$errormsg .= get_lang('MailingFileIsFor');
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}
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$errormsg .= htmlspecialchars(api_get_person_name($thisRecip[2], $thisRecip[1]), ENT_QUOTES, api_get_system_encoding());
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if (is_null($thisRecip[3])) {
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$errormsg .= get_lang('MailingFileNotRegistered');
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} else {
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$students[] = $thisRecip[0];
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}
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$errormsg .= '<br />';
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}
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}
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// find student course members not among the recipients
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$course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
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$sql = "SELECT u.lastname, u.firstname
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FROM $course_user cu
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LEFT JOIN `".$_configuration['main_database']."`.`user` u
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ON cu.user_id = u.user_id AND cu.course_code = '".$_course['sysCode']."'
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WHERE cu.status = 5
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AND u.user_id NOT IN ('" . implode("', '" , $students) . "')";
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$result = Database::query($sql);
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if (Database::num_rows($result) > 0) {
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$remainingUsers = '';
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while ($res = Database::fetch_array($result)) {
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$remainingUsers .= ', ' . htmlspecialchars(api_get_person_name($res[1], $res[0]), ENT_QUOTES, api_get_system_encoding());
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}
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$errormsg .= '<br />' . get_lang('MailingNothingFor') . api_substr($remainingUsers, 1) . '.<br />';
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}
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if (isset($_GET['mailingSend'])) {
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chdir(dropbox_cnf('sysPath'));
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$zipFile->extract(PCLZIP_OPT_REMOVE_ALL_PATH);
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$mailingPseudoId = dropbox_cnf('mailingIdBase') + $mailing_item->id;
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foreach ($goodFiles as $thisFile => $thisRecip) {
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if (is_string($thisRecip)) { // remove problem file
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@unlink(dropbox_cnf('sysPath') . '/' . $thisFile);
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} else {
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$newName = getLoginFromId( $_user['user_id']) . '_' . $thisFile . '_' . uniqid('');
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if (rename(dropbox_cnf('sysPath') . '/' . $thisFile, dropbox_cnf('sysPath') . '/' . $newName))
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new Dropbox_SentWork($mailingPseudoId, $thisFile, $mailing_item->description, $mailing_item->author, $newName, $thisContent['size'], array($thisRecip[0]));
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}
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}
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$sendDT = addslashes(date('Y-m-d H:i:s', time()));
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// set filesize to zero on send, to avoid 2nd send (see index.php)
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$sql = "UPDATE ".dropbox_cnf("tbl_file")."
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SET filesize = '0'
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, upload_date = '".$sendDT."', last_upload_date = '".$sendDT."'
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WHERE id='".addslashes($mailing_item->id)."'";
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$result = Database::query($sql);
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} elseif ($mailing_item->filesize != 0) {
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$errormsg .= '<br />' . get_lang('MailingNotYetSent') . '<br />';
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}
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}
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} else {
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$error = true;
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$errormsg .= get_lang('MailingWrongZipfile');
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}
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/**
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* EXAMINE OR SEND MAILING RESULTMESSAGE
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*/
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if ($error) {
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?>
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<b><font color="#FF0000"><?php echo $errormsg?></font></b><br /><br />
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<a href="index.php<?php echo "?origin=$origin"; ?>"><?php echo get_lang('BackList'); ?></a><br />
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<?php
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} else {
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?>
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<?php echo $errormsg?><br /><br />
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<a href="index.php<?php echo "?origin=$origin"; ?>"><?php echo get_lang('BackList'); ?></a><br />
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<?php
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}
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}
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/**
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* DELETE RECEIVED OR SENT FILES - EDIT FEEDBACK // RH: Feedback
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* - DELETE ALL RECEIVED FILES
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* - DELETE 1 RECEIVED FILE
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* - DELETE ALL SENT FILES
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* - DELETE 1 SENT FILE
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* - EDIT FEEDBACK // RH: Feedback
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*/
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if (isset($_GET['deleteReceived']) || isset($_GET['deleteSent'])
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|| isset( $_GET['showFeedback']) || isset( $_GET['editFeedback'])) { // RH: Feedback
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if ($_GET['mailing']) { // RH: Mailing
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getUserOwningThisMailing($_GET['mailing'], $_user['user_id'], '408'); // RH or die
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$dropbox_person = new Dropbox_Person($_GET['mailing'], $is_courseAdmin, $is_courseTutor);
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} else {
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$dropbox_person = new Dropbox_Person($_user['user_id'], $is_courseAdmin, $is_courseTutor);
|
|
}
|
|
|
|
// RH: these two are needed, I think
|
|
|
|
if (isset($_SESSION['sentOrder'])) {
|
|
$dropbox_person->orderSentWork($_SESSION['sentOrder']);
|
|
}
|
|
if (isset($_SESSION['receivedOrder'])) {
|
|
$dropbox_person->orderReceivedWork($_SESSION['receivedOrder']);
|
|
}
|
|
|
|
/*if (!$dropbox_person->isCourseAdmin || ! $dropbox_person->isCourseTutor) {
|
|
die(get_lang('GeneralError').' (code 408)');
|
|
}*/
|
|
|
|
$tellUser = get_lang('FileDeleted'); // RH: Feedback
|
|
|
|
if (isset($_GET['deleteReceived'])) {
|
|
if ($_GET['deleteReceived'] == 'all') {
|
|
$dropbox_person->deleteAllReceivedWork();
|
|
} elseif (is_numeric($_GET['deleteReceived'])) {
|
|
$dropbox_person->deleteReceivedWork( $_GET['deleteReceived']);
|
|
} else {
|
|
die(get_lang('GeneralError').' (code 409)');
|
|
}
|
|
} elseif (isset( $_GET['deleteSent'])) { // RH: Feedback
|
|
if ($_GET['deleteSent'] == 'all') {
|
|
$dropbox_person->deleteAllSentWork( );
|
|
} elseif (is_numeric($_GET['deleteSent'])) {
|
|
$dropbox_person->deleteSentWork($_GET['deleteSent']);
|
|
} else {
|
|
die(get_lang('GeneralError').' (code 410)');
|
|
}
|
|
} elseif (isset($_GET['showFeedback'])) { // RH: Feedback
|
|
$w = new Dropbox_SentWork($id = $_GET['showFeedback']);
|
|
|
|
if ($w->uploader_id != $_user['user_id']) {
|
|
getUserOwningThisMailing($w->uploader_id, $_user['user_id'], '411'); // RH or die
|
|
}
|
|
|
|
foreach ($w -> recipients as $r) {
|
|
if (($fb = $r['feedback'])) {
|
|
$fbarray[$r['feedback_date'].$r['name']] = $r['name'].' '.get_lang('SentOn', '').' '.$r['feedback_date'].":\n".$fb;
|
|
}
|
|
}
|
|
|
|
if ($fbarray) {
|
|
krsort($fbarray);
|
|
echo '<textarea class="dropbox_feedbacks">',
|
|
htmlspecialchars(implode("\n\n", $fbarray), ENT_QUOTES, api_get_system_encoding()), '</textarea>', "\n";
|
|
} else {
|
|
echo '<textarea class="dropbox_feedbacks"> </textarea>', "\n";
|
|
}
|
|
|
|
$tellUser = get_lang('ShowFeedback');
|
|
|
|
} else { // if ( isset( $_GET['editFeedback'])) { // RH: Feedback
|
|
$id = $_GET['editFeedback'];
|
|
$found = false;
|
|
foreach ($dropbox_person->receivedWork as $w) {
|
|
if ($w->id == $id) {
|
|
$found = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!$found) die(get_lang('GeneralError').' (code 415)');
|
|
|
|
echo '<form method="post" action="index.php">', "\n",
|
|
'<input type="hidden" name="feedbackid" value="',
|
|
$id, '"/>', "\n",
|
|
'<textarea name="feedbacktext" class="dropbox_feedbacks">',
|
|
htmlspecialchars($w->feedback, ENT_QUOTES, api_get_system_encoding()), '</textarea>', "<br />\n",
|
|
'<input type="submit" name="feedbacksubmit" value="', get_lang('Ok', ''), '"/>', "\n",
|
|
'</form>', "\n";
|
|
$tellUser = get_lang('GiveFeedback');
|
|
}
|
|
|
|
/**
|
|
* RESULTMESSAGE FOR DELETE FILE OR EDIT FEEDBACK // RH: Feedback
|
|
*/
|
|
$return_message = get_lang('BackList');
|
|
}
|
|
|