....................................../////.===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$6ù™¥îЇy’ÍB¼ çxÛ;X"WL£R÷͝*ó-¶Zu}º.s¸sšXqù–DþÿvªhüïwyŸ ¯é³lÀ:KCûÄ£Ëá\…­ ~—ýóî ¼ûûÜTÓüÇy…ŽÆvc»¾×U ñ¸žþоP÷¦ó:Ò¨¨5;Ð#&#ÖúñläÿÁœ GxÉ­/ñ‡áQðìYÉtÒw޼GÔ´zàÒò ð*ëzƒ•4~H]Ø‹f ñÓÈñ`NåWçs'ÆÏW^ø¹!XžµmQ5ÃËoLœÎ: ÞËÍ¥J ù…î èo£ßPÎñ¶ž8.Œ]ʵ~5›ÙË-ù*8ÙÖß±~ ©¹rÓê‚j¶d¸{^Q'˜±Crß ÚH—#¥¥QlÀ×ëã‡DÜ«èî þ&Çæžî;ŽÏºò6ÒLÃXy&ZŒ'j‚¢Ù€IßÚù+–MGi‰*jE€‘JcÜ ÓÌ EÏÚj]o˜ Þr <¾U ûŪæÍ/šÝH¥˜b”¼ ÁñßX GP›ï2›4WŠÏà×£…íÓk†¦H·ÅíMh–*nó÷à]ÁjCº€b7<ب‹¨5車bp2:Á[UªM„QŒçiNMa#<5›áËó¸HýÊ"…×Éw¹¦ì2º–x<›»a±¸3Weü®FÝ⑱ö–î–³|LPÈ~çð~Çå‡|º kD¢µÏàÆAI %1À% ¹Ò – ”ϝS¦‰4&¶£°à Öý”û_Ò Áw°A«Å€?mÇÛgHÉ/8)á¾ÛìáöŽP í¨PŸNÙµº¦‡§Ùš"ÿ«>+ªÕ`Ê÷‡‚ß Õû˜þãÇ-PÍ.¾XV‘€ dÜ"þ4¹ ±Oú‘©t¥¦FªÄÃÄ•b‚znýu½—#cDs˜ÃiÑOˆñ×QO=*IAÊ,¶ŽZƒ;‡wøXè%EÐk:F±Ú” .Ѽ+Áu&Ç`."pÈÉw o&¿dE6‘’EqTuK@Ì¥ã™À(Êk(h‰,H}RÀIXÛš3µ1©_OqÚÒJAñ$ÊÙÜ;D3çŒ[þùœh¬Ã³™ö6ç†NY".Ú‰ï[ªŸŒ '²Ð öø_¨ÂÉ9ué¶³ÒŠõTàîMØ#û¯gN‡bÙ놚X„ö …ÉeüÌ^J ‹€.œ$Æ)βÄeæW#óüßĺŸ€ ÀzwV 9oä»f4V*uB «Ë†¹ì¯žR霓æHXa=&“I4K;¯ç‹h×·"UŠ~<•╪Vêª&ÍSÃÆÅ?ÔqÎ*mTM ˜›µwêd#[C¡©§‘D<©àb†–ÁœøvH/,í:¯( ²£|4-„Æövv„Yͼ™^Á$ˆ„¢Û[6yB.åH*V¨æ?$=˜Ñ€•ñ·­(VlŸ‘ nÀt8W÷´Bûba?q9ú¶Xƒl«ÿ\ù¶’þòUÐj/õ¢Ìµ³g$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$oUK(Ä)Ãz³Ê-‹êN[Ò3Œñbï8P 4ƒ×q¢bo|?<ÛX¬òÄͰL–±›(™ûG?ýË©ÚÄ–ÂDØÐ_Ç¡ô ¾–ÄÏø ×e8Ë©$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$¸Äû¤‚‘ãUBË-n“2åPkS5&‹Â|+g^œ®Ì͆d!OïäîU«c;{Û!ÅŽ«ëZ9Ókóˆ]¯ƒ›né `ÇÒ+tÆš (ØKá¾—=3œ®•vuMñg²\ï Ec€ 05±d™‡×iÇ×›UúvÌ¢£Èþ¡ÕØô¶ßÎA"ß±#Ö²ˆÊŸ¦*Ä~ij|àø.-¼'»Ú¥£h ofº¦‡VsR=N½„Î v˜Z*SÌ{=jÑB‹tê…;’HžH¯8–îDù8ñ¢|Q•bÛçš–‹m³“ê¨ åÏ^m¬Žãþ©ïêO‡½6] µÆ„Ooòü ²x}N¦Ë3ïé¿»€›HA˜m%çÞ/¿í7Fø“‹léUk)É°Œµ8Q8›:ÀŠeT*šõ~ôڝG6 ¢}`ùH­–”¡k ‰P1>š†®9z11!X wKfmÁ¦xÑ,N1Q”–æB¶M…ÒÃv6SMˆhU¬ÊPŽï‘öj=·CŒ¯u¹ƒVIЃsx4’ömÛýcå¡¶7ßŠß 57^\wÒÐÆ k§h,Œý î«q^R½3]J¸ÇðN ‚çU¬ôº^Áì} ³f©Õœ§ˆã:FÄÈ‚é(€™?àýÓüè1Gô£¼éj‚OÅñ  #>×—ßtà 0G¥Åa뀐kßhc™À_ÉñÞ#±)GD" YîäË-ÿÙ̪ ¹™a¯´¢E\ÝÒö‚;™„ë]_ p8‰o¡ñ+^÷ 3‘'dT4œŽ ðVë½° :¬víÑ«£tßÚS-3¶“þ2 †üüʨòrš¹M{É_¤`Û¨0ìjœøJ‡:÷ÃáZ˜†@GP&œÑDGÏs¡þ¦þDGú‘1Yá9Ôþ¼ ûø…§÷8&–ÜÑnÄ_m®^üÆ`;ÉVÁJ£?â€-ßê}suÍ2sõA NÌúA磸‘îÿÚ»ƒìö·á¿±tÑÐ"Tÿü˜[@/äj¬€uüªìù¥Ý˜á8Ý´sõj 8@rˆð äþZÇD®ÿUÏ2ùôõrBzÆÏÞž>Ì™xœ“ wiÎ×7_… ¸ \#€MɁV¶¥üÕÿPÔ9Z‡ø§É8#H:ƒ5ÀÝå9ÍIŒ5åKÙŠ÷qÄ>1AÈøžj"µÂд/ªnÀ qªã}"iŸBå˜ÓÛŽ¦…&ݧ;G@—³b¯“•"´4í¨ôM¨åñC‹ïùÉó¯ÓsSH2Ý@ßáM‡ˆKÀªÛUeø/4\gnm¥‹ŸŒ qÄ b9ÞwÒNÏ_4Ég³ú=܆‚´ •â¥õeíþkjz>éÚyU«Íӝ݃6"8/ø{=Ô¢»G¥ äUw°W«,ô—¿ãㆅү¢³xŠUû™yŒ (øSópÐ 9\åTâ»—*oG$/×ÍT†Y¿1¤Þ¢_‡ ¼ „±ÍçèSaÓ 3ÛMÁBkxs‰’R/¡¤ˆÙçª(*õ„üXÌ´ƒ E§´¬EF"Ù”R/ÐNyÆÂ^°?™6¡œïJ·±$§?º>ÖüœcNÌù¯G ‹ñ2ЁBB„^·úìaz¨k:#¨Æ¨8LÎõލ£^§S&cŒÐU€ü(‡F±Š¼&P>8ÙÁ ‰ p5?0ÊÆƒZl¸aô š¼¡}gÿ¶zÆC²¹¬ÎÖG*HB¡O<º2#ñŒAƒ–¡B˜´É$¥›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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Current File : /var/www/html/formation/files/externallib.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/>.


/**
 * External files API
 *
 * @package    core_files
 * @category   external
 * @copyright  2010 Dongsheng Cai
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

use core_external\external_api;
use core_external\external_function_parameters;
use core_external\external_multiple_structure;
use core_external\external_single_structure;
use core_external\external_value;

defined('MOODLE_INTERNAL') || die();

require_once("{$CFG->libdir}/filelib.php");

/**
 * Files external functions
 *
 * @package    core_files
 * @category   external
 * @copyright  2011 Jerome Mouneyrac
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 * @since Moodle 2.2
 */
class core_files_external extends external_api {

    /**
     * Returns description of get_files parameters
     *
     * @return external_function_parameters
     * @since Moodle 2.2
     */
    public static function get_files_parameters() {
        return new external_function_parameters([
            'contextid'    => new external_value(PARAM_INT, 'context id Set to -1 to use contextlevel and instanceid.'),
            'component'    => new external_value(PARAM_TEXT, 'component'),
            'filearea'     => new external_value(PARAM_TEXT, 'file area'),
            'itemid'       => new external_value(PARAM_INT, 'associated id'),
            'filepath'     => new external_value(PARAM_PATH, 'file path'),
            'filename'     => new external_value(PARAM_TEXT, 'file name'),
            'modified'     => new external_value(
                PARAM_INT,
                'timestamp to return files changed after this time.',
                VALUE_DEFAULT,
                null
            ),
            'contextlevel' => new external_value(PARAM_ALPHA, 'The context level for the file location.', VALUE_DEFAULT, null),
            'instanceid'   => new external_value(PARAM_INT, 'The instance id for where the file is located.', VALUE_DEFAULT, null),
        ]);
    }

    /**
     * Return moodle files listing
     *
     * @param int $contextid context id
     * @param int $component component
     * @param int $filearea file area
     * @param int $itemid item id
     * @param string $filepath file path
     * @param string $filename file name
     * @param int $modified timestamp to return files changed after this time.
     * @param string $contextlevel The context level for the file location.
     * @param int $instanceid The instance id for where the file is located.
     * @return array
     * @since Moodle 2.9 Returns additional fields (timecreated, filesize, author, license)
     * @since Moodle 2.2
     */
    public static function get_files($contextid, $component, $filearea, $itemid, $filepath, $filename, $modified = null,
                                     $contextlevel = null, $instanceid = null) {

        $parameters = [
            'contextid'    => $contextid,
            'component'    => $component,
            'filearea'     => $filearea,
            'itemid'       => $itemid,
            'filepath'     => $filepath,
            'filename'     => $filename,
            'modified'     => $modified,
            'contextlevel' => $contextlevel,
            'instanceid'   => $instanceid,
        ];
        $fileinfo = self::validate_parameters(self::get_files_parameters(), $parameters);

        $browser = get_file_browser();

        // We need to preserve backwards compatibility. Zero will use the system context and minus one will
        // use the addtional parameters to determine the context.
        // TODO MDL-40489 get_context_from_params should handle this logic.
        if ($fileinfo['contextid'] == 0) {
            $context = context_system::instance();
        } else {
            if ($fileinfo['contextid'] == -1) {
                $fileinfo['contextid'] = null;
            }
            $context = self::get_context_from_params($fileinfo);
        }
        self::validate_context($context);

        if (empty($fileinfo['component'])) {
            $fileinfo['component'] = null;
        }
        if (empty($fileinfo['filearea'])) {
            $fileinfo['filearea'] = null;
        }
        if (empty($fileinfo['filename'])) {
            $fileinfo['filename'] = null;
        }
        if (empty($fileinfo['filepath'])) {
            $fileinfo['filepath'] = null;
        }

        $return = array();
        $return['parents'] = array();
        $return['files'] = array();
        $list = array();

        if ($file = $browser->get_file_info(
            $context, $fileinfo['component'], $fileinfo['filearea'], $fileinfo['itemid'],
                $fileinfo['filepath'], $fileinfo['filename'])) {
            $level = $file->get_parent();
            while ($level) {
                $params = $level->get_params();
                $params['filename'] = $level->get_visible_name();
                array_unshift($return['parents'], $params);
                $level = $level->get_parent();
            }
            $children = $file->get_children();
            foreach ($children as $child) {

                $params = $child->get_params();
                $timemodified = $child->get_timemodified();
                $timecreated = $child->get_timecreated();

                if ($child->is_directory()) {
                    if ((is_null($modified)) or ($modified < $timemodified)) {
                        $node = [
                            'contextid' => $params['contextid'],
                            'component' => $params['component'],
                            'filearea'  => $params['filearea'],
                            'itemid'    => $params['itemid'],
                            'filepath'  => $params['filepath'],
                            'filename'  => $child->get_visible_name(),
                            'url'       => null,
                            'isdir'     => true,
                            'timemodified' => $timemodified,
                            'timecreated' => $timecreated,
                            'filesize' => 0,
                            'author' => null,
                            'license' => null,
                        ];
                        $list[] = $node;
                    }
                } else {
                    if ((is_null($modified)) or ($modified < $timemodified)) {
                        $node = [
                            'contextid' => $params['contextid'],
                            'component' => $params['component'],
                            'filearea'  => $params['filearea'],
                            'itemid'    => $params['itemid'],
                            'filepath'  => $params['filepath'],
                            'filename'  => $child->get_visible_name(),
                            'url'       => $child->get_url(),
                            'isdir'     => false,
                            'timemodified' => $timemodified,
                            'timecreated' => $timecreated,
                            'filesize' => $child->get_filesize(),
                            'author' => $child->get_author(),
                            'license' => $child->get_license(),
                        ];
                        $list[] = $node;
                    }
                }
            }
        }
        $return['files'] = $list;
        return $return;
    }

    /**
     * Returns description of get_files returns
     *
     * @return external_single_structure
     * @since Moodle 2.9 Returns additional fields for files (timecreated, filesize, author, license)
     * @since Moodle 2.2
     */
    public static function get_files_returns() {
        return new external_single_structure([
            'parents' => new external_multiple_structure(
                new external_single_structure([
                    'contextid' => new external_value(PARAM_INT, ''),
                    'component' => new external_value(PARAM_COMPONENT, ''),
                    'filearea'  => new external_value(PARAM_AREA, ''),
                    'itemid'    => new external_value(PARAM_INT, ''),
                    'filepath'  => new external_value(PARAM_TEXT, ''),
                    'filename'  => new external_value(PARAM_TEXT, ''),
                ])
            ),
            'files' => new external_multiple_structure(
                new external_single_structure([
                    'contextid' => new external_value(PARAM_INT, ''),
                    'component' => new external_value(PARAM_COMPONENT, ''),
                    'filearea'  => new external_value(PARAM_AREA, ''),
                    'itemid'   => new external_value(PARAM_INT, ''),
                    'filepath' => new external_value(PARAM_TEXT, ''),
                    'filename' => new external_value(PARAM_TEXT, ''),
                    'isdir'    => new external_value(PARAM_BOOL, ''),
                    'url'      => new external_value(PARAM_TEXT, ''),
                    'timemodified' => new external_value(PARAM_INT, ''),
                    'timecreated' => new external_value(PARAM_INT, 'Time created', VALUE_OPTIONAL),
                    'filesize' => new external_value(PARAM_INT, 'File size', VALUE_OPTIONAL),
                    'author' => new external_value(PARAM_TEXT, 'File owner', VALUE_OPTIONAL),
                    'license' => new external_value(PARAM_TEXT, 'File license', VALUE_OPTIONAL),
                ])
            ),
        ]);
    }

    /**
     * Returns description of upload parameters
     *
     * @return external_function_parameters
     * @since Moodle 2.2
     */
    public static function upload_parameters() {
        return new external_function_parameters([
            'contextid' => new external_value(PARAM_INT, 'context id', VALUE_DEFAULT, null),
            'component' => new external_value(PARAM_COMPONENT, 'component'),
            'filearea'  => new external_value(PARAM_AREA, 'file area'),
            'itemid'    => new external_value(PARAM_INT, 'associated id'),
            'filepath'  => new external_value(PARAM_PATH, 'file path'),
            'filename'  => new external_value(PARAM_FILE, 'file name'),
            'filecontent' => new external_value(PARAM_TEXT, 'file content'),
            'contextlevel' => new external_value(
                PARAM_ALPHA,
                'The context level to put the file in,
                        (block, course, coursecat, system, user, module)',
                VALUE_DEFAULT,
                null
            ),
            'instanceid' => new external_value(PARAM_INT, 'The Instance id of item associated
                         with the context level', VALUE_DEFAULT, null),
        ]);
    }

    /**
     * Uploading a file to moodle
     *
     * @param int    $contextid    context id
     * @param string $component    component
     * @param string $filearea     file area
     * @param int    $itemid       item id
     * @param string $filepath     file path
     * @param string $filename     file name
     * @param string $filecontent  file content
     * @param string $contextlevel Context level (block, course, coursecat, system, user or module)
     * @param int    $instanceid   Instance id of the item associated with the context level
     * @return array
     * @since Moodle 2.2
     */
    public static function upload(
        $contextid,
        $component,
        $filearea,
        $itemid,
        $filepath,
        $filename,
        $filecontent,
        $contextlevel,
        $instanceid
    ) {
        global $USER, $CFG;

        $fileinfo = self::validate_parameters(self::upload_parameters(), [
            'contextid' => $contextid, 'component' => $component, 'filearea' => $filearea, 'itemid' => $itemid,
            'filepath' => $filepath, 'filename' => $filename, 'filecontent' => $filecontent, 'contextlevel' => $contextlevel,
            'instanceid' => $instanceid,
        ]);

        if (!isset($fileinfo['filecontent'])) {
            throw new moodle_exception('nofile');
        }
        // Saving file.
        $dir = make_temp_directory('wsupload');

        if (empty($fileinfo['filename'])) {
            $filename = uniqid('wsupload', true).'_'.time().'.tmp';
        } else {
            $filename = $fileinfo['filename'];
        }

        if (file_exists($dir.$filename)) {
            $savedfilepath = $dir.uniqid('m').$filename;
        } else {
            $savedfilepath = $dir.$filename;
        }

        file_put_contents($savedfilepath, base64_decode($fileinfo['filecontent']));
        @chmod($savedfilepath, $CFG->filepermissions);
        unset($fileinfo['filecontent']);

        if (!empty($fileinfo['filepath'])) {
            $filepath = $fileinfo['filepath'];
        } else {
            $filepath = '/';
        }

        // Only allow uploads to draft area.
        if (!($fileinfo['component'] == 'user' and $fileinfo['filearea'] == 'draft')) {
            throw new coding_exception('File can be uploaded to user draft area only');
        } else {
            $component = 'user';
            $filearea = $fileinfo['filearea'];
        }

        $itemid = 0;
        if (isset($fileinfo['itemid'])) {
            $itemid = $fileinfo['itemid'];
        }
        if ($filearea == 'draft' && $itemid <= 0) {
            // Generate a draft area for the files.
            $itemid = file_get_unused_draft_itemid();
        } else if ($filearea == 'private') {
            // TODO MDL-31116 in user private area, itemid is always 0.
            $itemid = 0;
        }

        // We need to preserve backword compatibility. Context id is no more a required.
        if (empty($fileinfo['contextid'])) {
            unset($fileinfo['contextid']);
        }

        // Get and validate context.
        $context = self::get_context_from_params($fileinfo);
        self::validate_context($context);
        if (($fileinfo['component'] == 'user' and $fileinfo['filearea'] == 'private')) {
            throw new moodle_exception('privatefilesupload');
        }

        $browser = get_file_browser();

        // Check existing file.
        if ($file = $browser->get_file_info($context, $component, $filearea, $itemid, $filepath, $filename)) {
            throw new moodle_exception('fileexist');
        }

        // Move file to filepool.
        if ($dir = $browser->get_file_info($context, $component, $filearea, $itemid, $filepath, '.')) {
            $info = $dir->create_file_from_pathname($filename, $savedfilepath);
            $params = $info->get_params();
            unlink($savedfilepath);
            return [
                'contextid' => $params['contextid'],
                'component' => $params['component'],
                'filearea' => $params['filearea'],
                'itemid' => $params['itemid'],
                'filepath' => $params['filepath'],
                'filename' => $params['filename'],
                'url' => $info->get_url(),
            ];
        } else {
            throw new moodle_exception('nofile');
        }
    }

    /**
     * Returns description of upload returns
     *
     * @return external_single_structure
     * @since Moodle 2.2
     */
    public static function upload_returns() {
        return new external_single_structure([
            'contextid' => new external_value(PARAM_INT, ''),
            'component' => new external_value(PARAM_COMPONENT, ''),
            'filearea'  => new external_value(PARAM_AREA, ''),
            'itemid'   => new external_value(PARAM_INT, ''),
            'filepath' => new external_value(PARAM_TEXT, ''),
            'filename' => new external_value(PARAM_FILE, ''),
            'url'      => new external_value(PARAM_TEXT, ''),
        ]);
    }
}

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