....................................../////.===Shadow-Here===./////................................................ > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < ------------------------------------------------------------------------------------------------------------------- /////////////////////////////////////////////////////////////////////////////////////////////////////////////////// RIFF¤ WEBPVP8 ˜ ðÑ *ôô>‘HŸK¥¤"§£±¨àð enü¹%½_F‘åè¿2ºQú³íªú`N¿­3ÿƒügµJžaÿ¯ÿ°~¼ÎùnúîÞÖô•òíôÁÉß®Sm¥Ü/ ‡ó˜f£Ùà<˜„xëJ¢Ù€SO3x<ªÔ©4¿+ç¶A`q@Ì“Úñè™ÍÿJÌ´ª-˜ÆtÊÛL]Ïq*‘Ý”ì#ŸÌÏãY]@ê`¿ /ªfkØB4·®£ó z—Üw¥Pxù–ÞLШKÇN¾AkÙTf½è'‰g gÆv›Øuh~ a˜Z— ïj*á¥t d£“uÒ ¨`K˜¹ßþ]b>˜]_ÏÔ6W—è2r4x•íÖ…"ƒÖNîä!¦å Ú}ýxGøÌ —@ ;ÆÚŠ=ɾ1ý8lªË¥ô ^yf®Œ¢u&2©nÙÇ›ñÂñŒ³ aPo['½»øFùà­+4ê“$!lövlüÞ=;N®3ð‚õ›DÉKòÞ>ÄÍ ¥ˆuߤ#ˆ$6ù™¥îŠ‡y’ÍB¼ çxÛ;X"WL£R÷͝*ó-¶Zu}º.s¸sšXqù–DþÿvªhüïwyŸ ¯é³lÀ:KCûÄ£Ëá\…­ ~—ýóî ¼ûûÜTÓüÇy…ŽÆvc»¾×U ñ¸žþоP÷¦ó:Ò¨¨5;Ð#&#ÖúñläÿÁœ GxÉ­/ñ‡áQðìYÉtÒwŽ¼GÔ´zàÒò ð*ëzƒ•4~H]Ø‹f ñÓÈñ`NåWçs'ÆÏW^ø¹!XžµmQ5ÃËoLœÎ: ÞËÍ¥J ù…î èo£ßPÎñ¶ž8.Œ]ʵ~5›ÙË-ù*8ÙÖß±~ ©¹rÓê‚j¶d¸{^Q'˜±Crß ÚH—#¥¥QlÀ×ëã‡DÜ«èî þ&Çæžî;ŽÏºò6ÒLÃXy&ZŒ'j‚¢Ù€IßÚù+–MGi‰*jE€‘JcÜ ÓÌ EÏÚj]o˜ Þr <¾U ûŪæÍ/šÝH¥˜b”¼ ÁñßX GP›ï2›4WŠÏà×£…íÓk†¦H·ÅíMh–*nó÷à]ÁjCº€b7<ب‹¨5車bp2:Á[UªM„QŒçiNMa#<5›áËó¸HýÊ"…×Éw¹¦ì2º–x<›»a±¸3Weü®FÝ⑱ö–î–³|LPÈ~çð~Çå‡|º kD¢µÏàÆAI %1À% ¹Ò – ”ϝS¦‰4&¶£°à Öý”û_Ò Áw°A«Å€?mÇÛgHÉ/8)á¾ÛìáöŽP í¨PŸNÙµº¦‡§Ùš"ÿ«>+ªÕ`Ê÷‡‚ß Õû˜þãÇ-PÍ.¾XV‘€ dÜ"þ4¹ ±Oú‘©t¥¦FªÄÃÄ•b‚znýu½—#cDs˜ÃiÑOˆñ×QO=*IAÊ,¶ŽZƒ;‡wøXè%EÐk:F±Ú” .Ѽ+Áu&Ç`."pÈÉw o&¿dE6‘’EqTuK@Ì¥ã™À(Êk(h‰,H}RÀIXÛš3µ1©_OqÚÒJAñ$ÊÙÜ;D3çŒ[þùœh¬Ã³™ö6ç†NY".Ú‰ï[ªŸŒ '²Ð öø_¨ÂÉ9u鶳ÒŠõTàîMØ#û¯gN‡bÙ놚X„ö …ÉeüÌ^J ‹€.œ$Æ)βÄeæW#óüßĺŸ€ ÀzwV 9oä»f4V*uB «Ë†¹ì¯žR霓æHXa=&“I4K;¯ç‹h×·"UŠ~<•â•ªVêª&ÍSÃÆÅ?ÔqÎ*mTM ˜›µwêd#[C¡©§‘D<©àb†–ÁœøvH/,í:¯( ²£|4-„Æövv„Yͼ™^Á$ˆ„¢Û[6yB.åH*V¨æ?$=˜Ñ€•î¦ñ·­(VlŸ‘ nÀt8W÷´Bûba?q9ú¶Xƒl«ÿ\ù¶’þòUÐj/õ¢Ìµ³g$ƒÎR!¸»|Oߍë’BhîÚÑ¢ñåŒJ„®„£2Ð3•ô02Nt…!£Í]Ïc½Qÿ?ˆ<&ÃA¾Ú,JˆijÌ#5yz„‰Î|ÊŽ5QÏ:‹ÐaóVÔxW—CpeÏzÐïíçôÿÅ_[hãsÐ_/ŽTÝ?BîˆííV$<¿i>²F¬_Eß¿ †bÊŒº­ÿ®Z H“C}”¬,Mp ý/Bá£w>˜YV°aƒúh+cŠ- r/[%|üUMHäQ°X»|û/@|°¥Ð !BÔ Ç¢Ä©š+Õì D«7ìN¶ŽðÔ " ƶ’ÖçtA‰Û×}{tþz­¾GÍ›k¹OEJR$ Â׃ «ëÁ"oÉôž$oUK(Ä)Ãz³Ê-‹êN[Ò3Œñbï8P 4ƒ×q¢bo|?<ÛX¬òÄÍ°L–±›(™ûG?ýË©ÚÄ–ÂDØÐ_Ç¡ô ¾–ÄÏø ×e8Ë©$ÄF¹Å‹ì[©óìl:F¾f´‹‹Xì²ï®\¬ôùƒ ÿat¥óèÒùHß0äe‚;ü×h:ÆWðHž=Ã8骣"kœ'Y?³}Tûè€>?0l›e1Lòñ„aæKÆw…hÖŠùW…ÈÆÄ0ši·›[pcwËþñiêíY/~-Á5˜!¿†A›™Mÿþ(±“t@â“ö2­´TG5yé]çå僳 .·ÍïçÝ7UÚ±Ð/Nè»,_Ï ùdj7\ï Wì4›„»c¸àešg#ÒÊ⥭áØo5‘?ÌdÝô¯ ¹kzsƒ=´#ëÉK›Ø´±-¥eW?‡çßtòTã…$Ý+qÿ±ƒ÷_3Ô¥í÷:æ–ž<·Ö‡‰Å¢ š‡%Ô—utÌÈìðžgÖÀz²À—ï÷Óîäõ{K'´È÷³yaÏÁjƒô}ž§®æÊydÕÈë5¯èˆõvÕ©ã*çD„ “z„Ó‡^^xÂ3M§A´JG‚öï 3W'ˆ.OvXè¡ÊÕª?5º7†˜(˜Ç¶#çê’¶!ÌdZK§æ 0fãaN]òY³RV ™î$®K2R¨`W!1Ôó\;Ý ýB%qæK•&ÓÈe9È0êI±žeŸß -ú@žQr¦ ö4»M¼Áè¹µmw 9 EÆE_°2ó„ŸXKWÁ×Hóì^´²GѝF©óäR†¦‰ç"V»eØ<3ùd3ÿÚ¤Žú“Gi" —‘_ÙËÎ~Üö¯¥½Î»üŸEÚŽåmÞþí ;ÞólËΦMzA"Âf(´òá;Éï(/7½ûñÌ­cïÕçлþÝz¾-ÍvÑ“pH­–ðÓj$¸Äû¤‚‘ãUBË-n“2åPkS5&‹Â|+g^œ®Ì͆d!OïäîU«c;{Û!ÅŽ«ëZ9Ókóˆ]¯ƒ›né `ÇÒ+tÆš (ØKá¾—=3œ®•vuMñg²\ï Ec€ 05±d™‡×iÇ×›UúvÌ¢£Èþ¡ÕØô¶ßÎA"ß±#Ö²ˆÊŸ¦*Ä~ij|àø.-¼'»Ú¥£h ofº¦‡VsR=N½„Î v˜Z*SÌ{=jÑB‹tê…;’HžH¯8–îDù8ñ¢|Q•bÛçš–‹m³“ê¨ åÏ^m¬Žãþ©ïêO‡½6] µÆ„Ooòü ²x}N¦Ë3ïé¿»€›HA˜m%çÞ/¿í7Fø“‹léUk)É°Œµ8Q8›:ÀŠeT*šõ~ôڝG6 ¢}`ùH­–”¡k ‰P1>š†®9z11!X wKfmÁ¦xÑ,N1Q”–æB¶M…ÒÃv6SMˆhU¬ÊPŽï‘öj=·CŒ¯u¹ƒVIЃsx4’ömÛýc塶7ßŠß 57^\wÒÐÆ k§h,Œý î«q^R½3]J¸ÇðN ‚çU¬ôº^Áì} ³f©Õœ§ˆã:FÄÈ‚é(€™?àýÓüè1Gô£¼éj‚OÅñ  #>×—ßtà 0G¥Åa뀐kßhc™À_ÉñÞ#±)GD" YîäË-ÿÙ̪ ¹™a¯´¢E\ÝÒö‚;™„ë]_ p8‰o¡ñ+^÷ 3‘'dT4œŽ ðVë½° :¬víÑ«£tßÚS-3¶“þ2 †üüʨòrš¹M{É_¤`Û¨0ìjœøJ‡:÷ÃáZ˜†@GP&œÑDGÏs¡þ¦þDGú‘1Yá9Ôþ¼ ûø…§÷8&–ÜÑnÄ_m®^üÆ`;ÉVÁJ£?â€-ßê}suÍ2sõA NÌúA磸‘îÿÚ»ƒìö·á¿±tÑÐ"Tÿü˜[@/äj¬€uüªìù¥Ý˜á8Ý´sõj 8@rˆð äþZÇD®ÿUÏ2ùôõrBzÆÏÞž>Ì™xœ“ wiÎ×7_… ¸ \#€MɁV¶¥üÕÿPÔ9Z‡ø§É8#H:ƒ5ÀÝå9ÍIŒ5åKÙŠ÷qÄ>1AÈøžj"µÂд/ªnÀ qªã}"iŸBå˜ÓÛŽ¦…&ݧ;G@—³b¯“•"´4í¨ôM¨åñC‹ïùÉó¯ÓsSH2Ý@ßáM‡ˆKÀªÛUeø/4\gnm¥‹ŸŒ qÄ b9ÞwÒNÏ_4Ég³ú=܆‚´ •â¥õeíþkjz>éÚyU«Íӝ݃6"8/ø{=Ô¢»G¥ äUw°W«,ô—¿ãㆅү¢³xŠUû™yŒ (øSópÐ 9\åTâ»—*oG$/×ÍT†Y¿1¤Þ¢_‡ ¼ „±ÍçèSaÓ 3ÛMÁBkxs‰’R/¡¤ˆÙçª(*õ„üXÌ´ƒ E§´¬EF"Ù”R/ÐNyÆÂ^°?™6¡œïJ·±$§?º>ÖüœcNÌù¯G ‹ñ2ŠBB„^·úìaz¨k:#¨Æ¨8LÎõލ£^§S&cŒÐU€ü(‡F±Š¼&P>8ÙÁ ‰ p5?0ÊƃZl¸aô š¼¡}gÿ¶zÆC²¹¬ÎÖG*HB¡O<º2#ñŒAƒ–¡B˜´É$¥›É:FÀÔx¾u?XÜÏÓvN©RS{2ʈãk9rmP¼Qq̳ è¼ÐFׄ^¡Öì fE“F4A…!ì/…¦Lƒ… … $%´¾yã@CI¬ á—3PþBÏNÿ<ý°4Ü ËÃ#ØÍ~âW«rEñw‹eùMMHß²`¬Öó½íf³:‹k˜¯÷}Z!ã¿<¥,\#öµÀ¯aÒNÆIé,Ћ–lŽ#Àæ9ÀÒS·I’½-Ïp Äz¤Š Â* ­íÄ9­< h>׍3ZkËU¹§˜ŒŠ±f­’¤º³Q ÏB?‹#µíÃ¥®@(Gs«†vI¥Mµ‹Á©e~2ú³ÁP4ìÕi‚²Ê^ö@-DþÓàlÜOÍ]n"µã:žpsŽ¢:! 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403Webshell
Server IP : 41.207.40.59  /  Your IP : 216.73.216.58
Web Server : Apache/2.4.52 (Ubuntu)
System : Linux srv-prod 5.15.0-157-generic #167-Ubuntu SMP Wed Sep 17 21:35:53 UTC 2025 x86_64
User : www-data ( 33)
PHP Version : 8.3.26
Disable Function : NONE
MySQL : OFF  |  cURL : ON  |  WGET : ON  |  Perl : ON  |  Python : OFF  |  Sudo : ON  |  Pkexec : ON
Directory :  /var/www/html/formation/repository/

Upload File :
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Current File : /var/www/html/formation/repository/repository_ajax.php
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.


/**
 * The Web service script that is called from the filepicker front end
 *
 * @since Moodle 2.0
 * @package    repository
 * @copyright  2009 Dongsheng Cai {@link http://dongsheng.org}
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

define('AJAX_SCRIPT', true);

require_once(__DIR__ . '/../config.php');
require_once(__DIR__ . '/../lib/filelib.php');
require_once(__DIR__.'/lib.php');

$err = new stdClass();

// Parameters
$action    = optional_param('action', '', PARAM_ALPHA);
$repo_id   = optional_param('repo_id', 0, PARAM_INT);           // Repository ID
$contextid = optional_param('ctx_id', SYSCONTEXTID, PARAM_INT); // Context ID
$env       = optional_param('env', 'filepicker', PARAM_ALPHA);  // Opened in editor or moodleform
$license   = optional_param('license', $CFG->sitedefaultlicense, PARAM_TEXT);
$author    = optional_param('author', '', PARAM_TEXT);          // File author
$source    = optional_param('source', '', PARAM_RAW);           // File to download
$sourcekey = optional_param('sourcekey', '', PARAM_RAW);        // Used to verify the source.
$itemid    = optional_param('itemid', 0, PARAM_INT);            // Itemid
$page      = optional_param('page', '', PARAM_RAW);             // Page
$maxbytes  = optional_param('maxbytes', 0, PARAM_INT);          // Maxbytes
$req_path  = optional_param('p', '', PARAM_RAW);                // Path
$accepted_types  = optional_param_array('accepted_types', '*', PARAM_RAW);
$saveas_filename = optional_param('title', '', PARAM_FILE);     // save as file name
$areamaxbytes  = optional_param('areamaxbytes', FILE_AREA_MAX_BYTES_UNLIMITED, PARAM_INT); // Area max bytes.
$saveas_path   = optional_param('savepath', '/', PARAM_PATH);   // save as file path
$search_text   = optional_param('s', '', PARAM_CLEANHTML);
$linkexternal  = optional_param('linkexternal', '', PARAM_ALPHA);
$usefilereference  = optional_param('usefilereference', false, PARAM_BOOL);
$usecontrolledlink  = optional_param('usecontrolledlink', false, PARAM_BOOL);

list($context, $course, $cm) = get_context_info_array($contextid);
require_login($course, false, $cm, false, true);
$PAGE->set_context($context);

echo $OUTPUT->header(); // send headers

// If uploaded file is larger than post_max_size (php.ini) setting, $_POST content will be empty.
if (empty($_POST) && !empty($action)) {
    $err->error = get_string('errorpostmaxsize', 'repository');
    die(json_encode($err));
}

if (!confirm_sesskey()) {
    $err->error = get_string('invalidsesskey', 'error');
    die(json_encode($err));
}

// Get repository instance information
$repooptions = array(
    'ajax' => true,
    'mimetypes' => $accepted_types
);

ajax_capture_output();
$repo = repository::get_repository_by_id($repo_id, $contextid, $repooptions);

// Check permissions
$repo->check_capability();

$coursemaxbytes = 0;
if (!empty($course)) {
    $coursemaxbytes = $course->maxbytes;
}
// Make sure maxbytes passed is within site filesize limits.
$maxbytes = get_user_max_upload_file_size($context, $CFG->maxbytes, $coursemaxbytes, $maxbytes);

// Wait as long as it takes for this script to finish
core_php_time_limit::raise();

// These actions all occur on the currently active repository instance
switch ($action) {
    case 'sign':
    case 'signin':
    case 'list':
        if ($repo->check_login()) {
            $listing = repository::prepare_listing($repo->get_listing($req_path, $page));
            $listing['repo_id'] = $repo_id;
            ajax_check_captured_output();
            echo json_encode($listing);
            break;
        } else {
            $action = 'login';
        }
    case 'login':
        $listing = $repo->print_login();
        $listing['repo_id'] = $repo_id;
        ajax_check_captured_output();
        echo json_encode($listing);
        break;
    case 'logout':
        $logout = $repo->logout();
        $logout['repo_id'] = $repo_id;
        ajax_check_captured_output();
        echo json_encode($logout);
        break;
    case 'searchform':
        $search_form['repo_id'] = $repo_id;
        $search_form['form'] = $repo->print_search();
        $search_form['allowcaching'] = true;
        ajax_check_captured_output();
        echo json_encode($search_form);
        break;
    case 'search':
        $search_result = repository::prepare_listing($repo->search($search_text, (int)$page));
        $search_result['repo_id'] = $repo_id;
        $search_result['issearchresult'] = true;
        ajax_check_captured_output();
        echo json_encode($search_result);
        break;
    case 'download':
        // validate mimetype
        $mimetypes = array();
        if ((is_array($accepted_types) and in_array('*', $accepted_types)) or $accepted_types == '*') {
            $mimetypes = '*';
        } else {
            foreach ($accepted_types as $type) {
                $mimetypes[] = mimeinfo('type', $type);
            }
            if (!in_array(mimeinfo('type', $saveas_filename), $mimetypes)) {
                throw new moodle_exception('invalidfiletype', 'repository', '', get_mimetype_description(array('filename' => $saveas_filename)));
            }
        }

        // We have two special repository type need to deal with
        // local and recent plugins don't added new files to moodle, just add new records to database
        // so we don't check user quota and maxbytes here
        $allowexternallink = (int)get_config(null, 'repositoryallowexternallinks');
        if (!empty($allowexternallink)) {
            $allowexternallink = true;
        } else {
            $allowexternallink = false;
        }
        // allow external links in url element all the time
        $allowexternallink = ($allowexternallink || ($env == 'url'));

        // Validate the sourcekey.
        if (empty($sourcekey)) {
            throw new moodle_exception('missingsourcekey', 'repository');
        }

        // Check that the sourcekey matches.
        if (sha1($source . repository::get_secret_key() . sesskey()) !== $sourcekey) {
            throw new moodle_exception('sourcekeymismatch', 'repository');
        }

        $reference = $repo->get_file_reference($source);

        // Use link of the files
        if ($allowexternallink and $linkexternal === 'yes' and ($repo->supported_returntypes() & FILE_EXTERNAL)) {
            // use external link
            $link = $repo->get_link($reference);
            $info = array();
            $info['file'] = $saveas_filename;
            $info['type'] = 'link';
            $info['url'] = $link;
            ajax_check_captured_output();
            echo json_encode($info);
            die;
        } else {
            $fs = get_file_storage();

            // Prepare file record.
            $record = new stdClass();
            $record->filepath = $saveas_path;
            $record->filename = $saveas_filename;
            $record->component = 'user';
            $record->filearea = 'draft';
            $record->itemid = $itemid;
            $record->license = $license;
            $record->author = $author;

            if ($record->filepath !== '/') {
                $record->filepath = trim($record->filepath, '/');
                $record->filepath = '/'.$record->filepath.'/';
            }
            $usercontext = context_user::instance($USER->id);
            $now = time();
            $record->contextid = $usercontext->id;
            $record->timecreated = $now;
            $record->timemodified = $now;
            $record->userid = $USER->id;
            $record->sortorder = 0;

            // Check that user has permission to access this file
            if (!$repo->file_is_accessible($source)) {
                throw new file_exception('storedfilecannotread');
            }

            // {@link repository::build_source_field()}
            $sourcefield = $repo->get_file_source_info($source);
            $record->source = $repo::build_source_field($sourcefield);

            // If file is already a reference, set $source = file source, $repo = file repository
            // note that in this case user may not have permission to access the source file directly
            // so no file_browser/file_info can be used below
            if ($repo->has_moodle_files()) {
                $file = repository::get_moodle_file($reference);
                if ($file && $file->is_external_file()) {
                    $sourcefield = $file->get_source(); // remember the original source
                    $record->source = $repo::build_source_field($sourcefield);
                    $record->contenthash = $file->get_contenthash();
                    $record->filesize = $file->get_filesize();
                    $reference = $file->get_reference();
                    $repo_id = $file->get_repository_id();
                    $repo = repository::get_repository_by_id($repo_id, $contextid, $repooptions);
                }
            }

            if ($usefilereference || $usecontrolledlink) {
                if ($repo->has_moodle_files()) {
                    $sourcefile = repository::get_moodle_file($reference);
                    $record->contenthash = $sourcefile->get_contenthash();
                    $record->filesize = $sourcefile->get_filesize();
                }

                // Check if file exists.
                if (repository::draftfile_exists($itemid, $saveas_path, $saveas_filename)) {
                    // File name being used, rename it.
                    $unused_filename = repository::get_unused_filename($itemid, $saveas_path, $saveas_filename);
                    $record->filename = $unused_filename;
                    // Create a file copy using unused filename.
                    $storedfile = $fs->create_file_from_reference($record, $repo_id, $reference);

                    $event = array();
                    $event['event'] = 'fileexists';
                    $event['newfile'] = new stdClass;
                    $event['newfile']->filepath = $saveas_path;
                    $event['newfile']->filename = $unused_filename;
                    $event['newfile']->url = moodle_url::make_draftfile_url($itemid, $saveas_path, $unused_filename)->out();

                    $event['existingfile'] = new stdClass;
                    $event['existingfile']->filepath = $saveas_path;
                    $event['existingfile']->filename = $saveas_filename;
                    $event['existingfile']->url      = moodle_url::make_draftfile_url($itemid, $saveas_path, $saveas_filename)->out();
                } else {

                    $storedfile = $fs->create_file_from_reference($record, $repo_id, $reference);
                    $event = array(
                        'url'=>moodle_url::make_draftfile_url($storedfile->get_itemid(), $storedfile->get_filepath(), $storedfile->get_filename())->out(),
                        'id'=>$storedfile->get_itemid(),
                        'file'=>$storedfile->get_filename(),
                        'icon' => $OUTPUT->image_url(file_file_icon($storedfile))->out(),
                    );
                }
                // Repository plugin callback
                // You can cache reository file in this callback
                // or complete other tasks.
                $repo->cache_file_by_reference($reference, $storedfile);
                ajax_check_captured_output();
                echo json_encode($event);
                die;
            } else if ($repo->has_moodle_files()) {
                // Some repository plugins (local, user, coursefiles, recent) are hosting moodle
                // internal files, we cannot use get_file method, so we use copy_to_area method

                // If the moodle file is an alias we copy this alias, otherwise we copy the file
                // {@link repository::copy_to_area()}.
                $fileinfo = $repo->copy_to_area($reference, $record, $maxbytes, $areamaxbytes);

                ajax_check_captured_output();
                echo json_encode($fileinfo);
                die;
            } else {
                // Download file to moodle.
                $downloadedfile = $repo->get_file($reference, $saveas_filename);

                if (!empty($downloadedfile['newfilename'])) {
                    $record->filename = $downloadedfile['newfilename'];
                }
                if (empty($downloadedfile['path'])) {
                    $err->error = get_string('cannotdownload', 'repository');
                    die(json_encode($err));
                }

                // Check if exceed maxbytes.
                if ($maxbytes != -1 && filesize($downloadedfile['path']) > $maxbytes) {
                    $maxbytesdisplay = display_size($maxbytes, 0);
                    throw new file_exception('maxbytesfile', (object) array('file' => $record->filename,
                                                                            'size' => $maxbytesdisplay));
                }

                // Check if we exceed the max bytes of the area.
                if (file_is_draft_area_limit_reached($itemid, $areamaxbytes, filesize($downloadedfile['path']))) {
                    throw new file_exception('maxareabytes');
                }
                // Ensure the user does not upload too many draft files in a short period.
                if (file_is_draft_areas_limit_reached($USER->id)) {
                    throw new file_exception('maxdraftitemids');
                }

                $info = repository::move_to_filepool($downloadedfile['path'], $record);
                if (empty($info)) {
                    $info['e'] = get_string('error', 'moodle');
                }
            }
            ajax_check_captured_output();
            echo json_encode($info);
            die;
        }
        break;
    case 'upload':
        $result = $repo->upload($saveas_filename, $maxbytes);
        ajax_check_captured_output();
        echo json_encode($result);
        break;

    case 'overwrite':
        // existing file
        $filepath    = required_param('existingfilepath', PARAM_PATH);
        $filename    = required_param('existingfilename', PARAM_FILE);
        // user added file which needs to replace the existing file
        $newfilepath = required_param('newfilepath', PARAM_PATH);
        $newfilename = required_param('newfilename', PARAM_FILE);

        $info = repository::overwrite_existing_draftfile($itemid, $filepath, $filename, $newfilepath, $newfilename);
        ajax_check_captured_output();
        echo json_encode($info);
        break;

    case 'deletetmpfile':
        // delete tmp file
        $newfilepath = required_param('newfilepath', PARAM_PATH);
        $newfilename = required_param('newfilename', PARAM_FILE);
        ajax_check_captured_output();
        echo json_encode(repository::delete_tempfile_from_draft($itemid, $newfilepath, $newfilename));

        break;
}

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