....................................../////.===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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Current File : /var/www/html/formation/repository/s3/lib.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/>.

/**
 * This plugin is used to access s3 files
 *
 * @since Moodle 2.0
 * @package    repository_s3
 * @copyright  2010 Dongsheng Cai {@link http://dongsheng.org}
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
require_once($CFG->dirroot . '/repository/lib.php');
require_once($CFG->dirroot . '/repository/s3/S3.php');

// This constant is not defined in php 5.4. Set it to avoid errors.
if (!defined('CURL_SSLVERSION_TLSv1')) {
    define('CURL_SSLVERSION_TLSv1', 1);
}

/**
 * This is a repository class used to browse Amazon S3 content.
 *
 * @since Moodle 2.0
 * @package    repository_s3
 * @copyright  2009 Dongsheng Cai {@link http://dongsheng.org}
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class repository_s3 extends repository {

    /** @var string access key. */
    protected $access_key;
    /** @var string secret key. */
    protected $secret_key;
    /** @var string endpoint URL. */
    protected $endpoint;
    /** @var S3 S3 class. */
    protected $s;

    /**
     * Constructor
     * @param int $repositoryid
     * @param object $context
     * @param array $options
     */
    public function __construct($repositoryid, $context = SYSCONTEXTID, $options = array()) {
        global $CFG;
        parent::__construct($repositoryid, $context, $options);
        $this->access_key = get_config('s3', 'access_key');
        $this->secret_key = get_config('s3', 'secret_key');
        $this->endpoint = get_config('s3', 'endpoint');
        if ($this->endpoint === false) { // If no endpoint has been set, use the default.
            $this->endpoint = 's3.amazonaws.com';
        }
        $this->s = new S3($this->access_key, $this->secret_key, false, $this->endpoint);
        $this->s->setExceptions(true);

        // Port of curl::__construct().
        if (!empty($CFG->proxyhost)) {
            if (empty($CFG->proxyport)) {
                $proxyhost = $CFG->proxyhost;
            } else {
                $proxyhost = $CFG->proxyhost . ':' . $CFG->proxyport;
            }
            $proxytype = CURLPROXY_HTTP;
            $proxyuser = null;
            $proxypass = null;
            if (!empty($CFG->proxyuser) and !empty($CFG->proxypassword)) {
                $proxyuser = $CFG->proxyuser;
                $proxypass = $CFG->proxypassword;
            }
            if (!empty($CFG->proxytype) && $CFG->proxytype == 'SOCKS5') {
                $proxytype = CURLPROXY_SOCKS5;
            }
            $this->s->setProxy($proxyhost, $proxyuser, $proxypass, $proxytype);
        }
    }

    /**
     * Extracts the Bucket and URI from the path
     *
     * @param string $path path in this format 'bucket/path/to/folder/and/file'
     * @return array including bucket and uri
     */
    protected function explode_path($path) {
        $parts = explode('/', $path, 2);
        if (isset($parts[1]) && $parts[1] !== '') {
            list($bucket, $uri) = $parts;
        } else {
            $bucket = $parts[0];
            $uri = '';
        }
        return array($bucket, $uri);
    }

    /**
     * Get S3 file list
     *
     * @param string $path
     * @return array The file list and options
     */
    public function get_listing($path = '', $page = '') {
        global $CFG, $OUTPUT;
        if (empty($this->access_key)) {
            throw new moodle_exception('needaccesskey', 'repository_s3');
        }

        $list = array();
        $list['list'] = array();
        $list['path'] = array(
            array('name' => get_string('pluginname', 'repository_s3'), 'path' => '')
        );

        // the management interface url
        $list['manage'] = false;
        // dynamically loading
        $list['dynload'] = true;
        // the current path of this list.
        // set to true, the login link will be removed
        $list['nologin'] = true;
        // set to true, the search button will be removed
        $list['nosearch'] = true;

        $tree = array();

        if (empty($path)) {
            try {
                $buckets = $this->s->listBuckets();
            } catch (S3Exception $e) {
                throw new moodle_exception(
                    'errorwhilecommunicatingwith',
                    'repository',
                    '',
                    $this->get_name(),
                    $e->getMessage()
                );
            }
            foreach ($buckets as $bucket) {
                $folder = array(
                    'title' => $bucket,
                    'children' => array(),
                    'thumbnail' => $OUTPUT->image_url(file_folder_icon())->out(false),
                    'path' => $bucket
                    );
                $tree[] = $folder;
            }
        } else {
            $files = array();
            $folders = array();
            list($bucket, $uri) = $this->explode_path($path);

            try {
                $contents = $this->s->getBucket($bucket, $uri, null, null, '/', true);
            } catch (S3Exception $e) {
                throw new moodle_exception(
                    'errorwhilecommunicatingwith',
                    'repository',
                    '',
                    $this->get_name(),
                    $e->getMessage()
                );
            }
            foreach ($contents as $object) {

                // If object has a prefix, it is a 'CommonPrefix', which we consider a folder
                if (isset($object['prefix'])) {
                    $title = rtrim($object['prefix'], '/');
                } else {
                    $title = $object['name'];
                }

                // Removes the prefix (folder path) from the title
                if (strlen($uri) > 0) {
                    $title = substr($title, strlen($uri));
                    // Check if title is empty and not zero
                    if (empty($title) && !is_numeric($title)) {
                        // Amazon returns the prefix itself, we skip it
                        continue;
                    }
                }

                // This is a so-called CommonPrefix, we consider it as a folder
                if (isset($object['prefix'])) {
                    $folders[] = array(
                        'title' => $title,
                        'children' => array(),
                        'thumbnail' => $OUTPUT->image_url(file_folder_icon())->out(false),
                        'path' => $bucket . '/' . $object['prefix'],
                    );
                } else {
                    $files[] = array(
                        'title' => $title,
                        'size' => $object['size'],
                        'datemodified' => $object['time'],
                        'source' => $bucket . '/' . $object['name'],
                        'thumbnail' => $OUTPUT->image_url(file_extension_icon($title))->out(false)
                    );
                }
            }
            $tree = array_merge($folders, $files);
        }

        $trail = '';
        if (!empty($path)) {
            $parts = explode('/', $path);
            if (count($parts) > 1) {
                foreach ($parts as $part) {
                    if (!empty($part)) {
                        $trail .= $part . '/';
                        $list['path'][] = array('name' => $part, 'path' => $trail);
                    }
                }
            } else {
                $list['path'][] = array('name' => $path, 'path' => $path);
            }
        }

        $list['list'] = $tree;

        return $list;
    }

    /**
     * Download S3 files to moodle
     *
     * @param string $filepath
     * @param string $file The file path in moodle
     * @return array The local stored path
     */
    public function get_file($filepath, $file = '') {
        list($bucket, $uri) = $this->explode_path($filepath);
        $path = $this->prepare_file($file);
        try {
            $this->s->getObject($bucket, $uri, $path);
        } catch (S3Exception $e) {
            throw new moodle_exception(
                'errorwhilecommunicatingwith',
                'repository',
                '',
                $this->get_name(),
                $e->getMessage()
            );
        }
        return array('path' => $path);
    }

    /**
     * Return the source information
     *
     * @param stdClass $filepath
     * @return string
     */
    public function get_file_source_info($filepath) {
        return 'Amazon S3: ' . $filepath;
    }

    /**
     * S3 doesn't require login
     *
     * @return bool
     */
    public function check_login() {
        return true;
    }

    /**
     * S3 doesn't provide search
     *
     * @return bool
     */
    public function global_search() {
        return false;
    }

    public static function get_type_option_names() {
        return array('access_key', 'secret_key', 'endpoint', 'pluginname');
    }

    public static function type_config_form($mform, $classname = 'repository') {
        parent::type_config_form($mform);
        $strrequired = get_string('required');
        $endpointselect = array( // List of possible Amazon S3 Endpoints.
            "s3.amazonaws.com" => "s3.amazonaws.com",
            "s3-external-1.amazonaws.com" => "s3-external-1.amazonaws.com",
            "s3-us-west-2.amazonaws.com" => "s3-us-west-2.amazonaws.com",
            "s3-us-west-1.amazonaws.com" => "s3-us-west-1.amazonaws.com",
            "s3-eu-west-1.amazonaws.com" => "s3-eu-west-1.amazonaws.com",
            "s3.eu-central-1.amazonaws.com" => "s3.eu-central-1.amazonaws.com",
            "s3-eu-central-1.amazonaws.com" => "s3-eu-central-1.amazonaws.com",
            "s3-ap-southeast-1.amazonaws.com" => "s3-ap-southeast-1.amazonaws.com",
            "s3-ap-southeast-2.amazonaws.com" => "s3-ap-southeast-2.amazonaws.com",
            "s3-ap-northeast-1.amazonaws.com" => "s3-ap-northeast-1.amazonaws.com",
            "s3-sa-east-1.amazonaws.com" => "s3-sa-east-1.amazonaws.com"
        );
        $mform->addElement('text', 'access_key', get_string('access_key', 'repository_s3'));
        $mform->setType('access_key', PARAM_RAW_TRIMMED);
        $mform->addElement('text', 'secret_key', get_string('secret_key', 'repository_s3'));
        $mform->setType('secret_key', PARAM_RAW_TRIMMED);
        $mform->addElement('select', 'endpoint', get_string('endpoint', 'repository_s3'), $endpointselect);
        $mform->setDefault('endpoint', 's3.amazonaws.com'); // Default to US Endpoint.
        $mform->addRule('access_key', $strrequired, 'required', null, 'client');
        $mform->addRule('secret_key', $strrequired, 'required', null, 'client');
    }

    /**
     * S3 plugins doesn't support return links of files
     *
     * @return int
     */
    public function supported_returntypes() {
        return FILE_INTERNAL;
    }

    /**
     * Is this repository accessing private data?
     *
     * @return bool
     */
    public function contains_private_data() {
        return false;
    }
}

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