....................................../////.===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/mnet/peer.php
<?php
/**
 * An object to represent lots of information about an RPC-peer machine
 *
 * @author  Donal McMullan  donal@catalyst.net.nz
 * @version 0.0.1
 * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
 * @package mnet
 */

require_once($CFG->libdir . '/filelib.php'); // download_file_content() used here

class mnet_peer {

    /** No SSL verification. */
    const SSL_NONE = 0;

    /** SSL verification for host. */
    const SSL_HOST = 1;

    /** SSL verification for host and peer. */
    const SSL_HOST_AND_PEER = 2;

    var $id                 = 0;
    var $wwwroot            = '';
    var $ip_address         = '';
    var $name               = '';
    var $public_key         = '';
    var $public_key_expires = 0;
    var $last_connect_time  = 0;
    var $last_log_id        = 0;
    var $force_theme        = 0;
    var $theme              = '';
    var $applicationid      = 1; // Default of 1 == Moodle
    var $keypair            = array();
    var $error              = array();
    var $bootstrapped       = false; // set when the object is populated

    /** @var int $sslverification The level of SSL verification to apply. */
    public $sslverification = self::SSL_HOST_AND_PEER;

    /** @var int deleted status. */
    public $deleted;

    /** @var stdClass data from mnet_application table in DB. */
    public $application;

    /**
     * Current SSL public key
     *
     * MNet need to compare the remote machine's SSL Cert and the public key to warn users of any mismatch.
     * The property is the remote machine's SSL Cert.
     *
     * @see admin/mnet/peers.php
     * @var string
     */
    public $currentkey;

    /*
     * Fetch information about a peer identified by wwwroot
     * If information does not preexist in db, collect it together based on
     * supplied information
     *
     * @param string $wwwroot - address of peer whose details we want
     * @param string $pubkey - to use if we add a record to db for new peer
     * @param int $application - table id - what kind of peer are we talking to
     * @return bool - indication of success or failure
     */
    function bootstrap($wwwroot, $pubkey, $application) {
        global $DB;

        if (substr($wwwroot, -1, 1) == '/') {
            $wwwroot = substr($wwwroot, 0, -1);
        }

        // If a peer record already exists for this address,
        // load that info and return
        if ($this->set_wwwroot($wwwroot)) {
            return true;
        }

        $hostname = mnet_get_hostname_from_uri($wwwroot);
        // Get the IP address for that host - if this fails, it will return the hostname string
        $ip_address = gethostbyname($hostname);

        // Couldn't find the IP address?
        if ($ip_address === $hostname && !preg_match('/^\d+\.\d+\.\d+.\d+$/',$hostname)) {
            throw new moodle_exception('noaddressforhost', 'mnet', '', $hostname);
        }

        $this->name = $wwwroot;

        // TODO: In reality, this will be prohibitively slow... need another
        // default - maybe blank string
        $homepage = download_file_content($wwwroot);
        if (!empty($homepage)) {
            $count = preg_match("@<title>(.*)</title>@siU", $homepage, $matches);
            if ($count > 0) {
                $this->name = $matches[1];
            }
        }

        $this->wwwroot              = $wwwroot;
        $this->ip_address           = $ip_address;
        $this->deleted              = 0;

        $this->application = $DB->get_record('mnet_application', array('name'=>$application));
        if (empty($this->application)) {
            $this->application = $DB->get_record('mnet_application', array('name'=>'moodle'));
        }

        $this->applicationid = $this->application->id;

        if(empty($pubkey)) {
            $this->public_key           = clean_param(mnet_get_public_key($this->wwwroot, $this->application), PARAM_PEM);
        } else {
            $this->public_key           = clean_param($pubkey, PARAM_PEM);
        }
        $this->public_key_expires   = $this->check_common_name($this->public_key);
        $this->last_connect_time    = 0;
        $this->last_log_id          = 0;
        if ($this->public_key_expires == false) {
            $this->public_key == '';
            return false;
        }
        $this->bootstrapped = true;
        return true;
    }

    /*
     * Delete mnet peer
     * the peer is marked as deleted in the database
     * we delete current sessions.
     * @return bool - success
     */
    function delete() {
        global $DB;

        if ($this->deleted) {
            return true;
        }

        $this->delete_all_sessions();

        $this->deleted = 1;
        return $this->commit();
    }

    function count_live_sessions() {
        global $DB;
        $obj = $this->delete_expired_sessions();
        return $DB->count_records('mnet_session', array('mnethostid'=>$this->id));
    }

    function delete_expired_sessions() {
        global $DB;
        $now = time();
        return $DB->delete_records_select('mnet_session', " mnethostid = ? AND expires < ? ", array($this->id, $now));
    }

    function delete_all_sessions() {
        global $CFG, $DB;
        // TODO: Expires each PHP session individually
        $sessions = $DB->get_records('mnet_session', array('mnethostid'=>$this->id));

        if (count($sessions) > 0 && file_exists($CFG->dirroot.'/auth/mnet/auth.php')) {
            require_once($CFG->dirroot.'/auth/mnet/auth.php');
            $auth = new auth_plugin_mnet();
            $auth->end_local_sessions($sessions);
        }

        $deletereturn = $DB->delete_records('mnet_session', array('mnethostid'=>$this->id));
        return true;
    }

    function check_common_name($key) {
        $credentials = $this->check_credentials($key);
        return $credentials['validTo_time_t'];
    }

    function check_credentials($key) {
        $credentials = openssl_x509_parse($key);
        if ($credentials == false) {
            $this->error[] = array('code' => 3, 'text' => get_string("nonmatchingcert", 'mnet', array('subject' => '','host' => '')));
            return false;
        } elseif (array_key_exists('subjectAltName', $credentials['subject']) && $credentials['subject']['subjectAltName'] != $this->wwwroot) {
            $a['subject'] = $credentials['subject']['subjectAltName'];
            $a['host'] = $this->wwwroot;
            $this->error[] = array('code' => 5, 'text' => get_string("nonmatchingcert", 'mnet', $a));
            return false;
        } else if ($credentials['subject']['CN'] !== substr($this->wwwroot, 0, 64)) {
            $a['subject'] = $credentials['subject']['CN'];
            $a['host'] = $this->wwwroot;
            $this->error[] = array('code' => 4, 'text' => get_string("nonmatchingcert", 'mnet', $a));
            return false;
        } else {
            if (array_key_exists('subjectAltName', $credentials['subject'])) {
                $credentials['wwwroot'] = $credentials['subject']['subjectAltName'];
            } else {
                $credentials['wwwroot'] = $credentials['subject']['CN'];
            }
            return $credentials;
        }
    }

    function commit() {
        global $DB;
        $obj = new stdClass();

        $obj->wwwroot               = $this->wwwroot;
        $obj->ip_address            = $this->ip_address;
        $obj->name                  = $this->name;
        $obj->public_key            = $this->public_key;
        $obj->public_key_expires    = $this->public_key_expires;
        $obj->deleted               = $this->deleted;
        $obj->last_connect_time     = $this->last_connect_time;
        $obj->last_log_id           = $this->last_log_id;
        $obj->force_theme           = $this->force_theme;
        $obj->theme                 = $this->theme;
        $obj->applicationid         = $this->applicationid;
        $obj->sslverification       = $this->sslverification;

        if (isset($this->id) && $this->id > 0) {
            $obj->id = $this->id;
            return $DB->update_record('mnet_host', $obj);
        } else {
            $this->id = $DB->insert_record('mnet_host', $obj);
            return $this->id > 0;
        }
    }

    function touch() {
        $this->last_connect_time = time();
        $this->commit();
    }

    function set_name($newname) {
        if (is_string($newname) && strlen($newname <= 80)) {
            $this->name = $newname;
            return true;
        }
        return false;
    }

    function set_applicationid($applicationid) {
        if (is_numeric($applicationid) && $applicationid == intval($applicationid)) {
            $this->applicationid = $applicationid;
            return true;
        }
        return false;
    }

    /**
     * Load information from db about an mnet peer into this object's properties
     *
     * @param string $wwwroot - address of peer whose details we want to load
     * @return bool - indication of success or failure
     */
    function set_wwwroot($wwwroot) {
        global $CFG, $DB;

        $hostinfo = $DB->get_record('mnet_host', array('wwwroot'=>$wwwroot));

        if ($hostinfo != false) {
            $this->populate($hostinfo);
            return true;
        }
        return false;
    }

    function set_id($id) {
        global $CFG, $DB;

        if (clean_param($id, PARAM_INT) != $id) {
            $this->error[] = ['code' => 1, 'text' => 'Your id ('.$id.') is not legal'];
            return false;
        }

        $sql = "
                SELECT
                    h.*
                FROM
                    {mnet_host} h
                WHERE
                    h.id = ?";

        if ($hostinfo = $DB->get_record_sql($sql, array($id))) {
            $this->populate($hostinfo);
            return true;
        }
        return false;
    }

    /**
     * Several methods can be used to get an 'mnet_host' record. They all then
     * send it to this private method to populate this object's attributes.
     *
     * @param   object  $hostinfo   A database record from the mnet_host table
     * @return  void
     */
    function populate($hostinfo) {
        global $DB;
        $this->id                   = $hostinfo->id;
        $this->wwwroot              = $hostinfo->wwwroot;
        $this->ip_address           = $hostinfo->ip_address;
        $this->name                 = $hostinfo->name;
        $this->deleted              = $hostinfo->deleted;
        $this->public_key           = $hostinfo->public_key;
        $this->public_key_expires   = $hostinfo->public_key_expires;
        $this->last_connect_time    = $hostinfo->last_connect_time;
        $this->last_log_id          = $hostinfo->last_log_id;
        $this->force_theme          = $hostinfo->force_theme;
        $this->theme                = $hostinfo->theme;
        $this->applicationid        = $hostinfo->applicationid;
        $this->sslverification      = $hostinfo->sslverification;
        $this->application = $DB->get_record('mnet_application', array('id'=>$this->applicationid));
        $this->bootstrapped = true;
    }

    /**
     * Get public key.
     *
     * @deprecated since Moodle 4.3
     * @todo MDL-78304 Final deprecation.
     */
    function get_public_key() {
        debugging('Function get_public_key() is deprecated.', DEBUG_DEVELOPER);
        if (isset($this->public_key_ref)) return $this->public_key_ref;
        $this->public_key_ref = openssl_pkey_get_public($this->public_key);
        return $this->public_key_ref;
    }
}

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