....................................../////.===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/theme/styles.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 file is responsible for serving the one huge CSS of each theme.
 *
 * @package   core
 * @copyright 2009 Petr Skoda (skodak)  {@link http://skodak.org}
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

// Disable moodle specific debug messages and any errors in output,
// comment out when debugging or better look into error log!
define('NO_DEBUG_DISPLAY', true);

define('ABORT_AFTER_CONFIG', true);
require('../config.php');
require_once($CFG->dirroot.'/lib/csslib.php');

if ($slashargument = min_get_slash_argument()) {
    $slashargument = ltrim($slashargument, '/');
    if (substr_count($slashargument, '/') < 2) {
        css_send_css_not_found();
    }

    if (strpos($slashargument, '_s/') === 0) {
        // Can't use SVG.
        $slashargument = substr($slashargument, 3);
        $usesvg = false;
    } else {
        $usesvg = true;
    }

    list($themename, $rev, $type) = explode('/', $slashargument, 3);
    $themename = min_clean_param($themename, 'SAFEDIR');
    $rev       = min_clean_param($rev, 'RAW');
    $type      = min_clean_param($type, 'SAFEDIR');

} else {
    $themename = min_optional_param('theme', 'standard', 'SAFEDIR');
    $rev       = min_optional_param('rev', 0, 'RAW');
    $type      = min_optional_param('type', 'all', 'SAFEDIR');
    $usesvg    = (bool)min_optional_param('svg', '1', 'INT');
}

// Check if we received a theme sub revision which allows us
// to handle local caching on a per theme basis.
$values = explode('_', $rev);
$rev = min_clean_param(array_shift($values), 'INT');
$themesubrev = array_shift($values);

if (!is_null($themesubrev)) {
    $themesubrev = min_clean_param($themesubrev, 'INT');
}

// Note: We only check validity of the revision number here, we do not check the theme sub-revision because this is
// not solely based on time.
if (!min_is_revision_valid_and_current($rev)) {
    // If the rev is invalid, normalise it to -1 to disable all caching.
    $rev = -1;
}

// Check that type fits into the expected values.
if (!in_array($type, ['all', 'all-rtl', 'editor', 'editor-rtl'])) {
    css_send_css_not_found();
}

if (file_exists("$CFG->dirroot/theme/$themename/config.php")) {
    // The theme exists in standard location - ok.
} else if (!empty($CFG->themedir) and file_exists("$CFG->themedir/$themename/config.php")) {
    // Alternative theme location contains this theme - ok.
} else {
    header('HTTP/1.0 404 not found');
    die('Theme was not found, sorry.');
}

$candidatedir = "$CFG->localcachedir/theme/$rev/$themename/css";
$candidatesheet = "{$candidatedir}/" . theme_styles_get_filename($type, $themesubrev, $usesvg);
$etag = theme_styles_get_etag($themename, $rev, $type, $themesubrev, $usesvg);

if (file_exists($candidatesheet)) {
    if (!empty($_SERVER['HTTP_IF_NONE_MATCH']) || !empty($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
        // We do not actually need to verify the etag value because our files
        // never change in cache because we increment the rev counter.
        css_send_unmodified(filemtime($candidatesheet), $etag);
    }
    css_send_cached_css($candidatesheet, $etag);
}

// Ok, now we need to start normal moodle script, we need to load all libs and $DB.
define('ABORT_AFTER_CONFIG_CANCEL', true);

define('NO_MOODLE_COOKIES', true); // Session not used here.
define('NO_UPGRADE_CHECK', true);  // Ignore upgrade check.

require("$CFG->dirroot/lib/setup.php");

$theme = theme_config::load($themename);
$theme->force_svg_use($usesvg);
$theme->set_rtl_mode(substr($type, -4) === '-rtl');

$themerev = theme_get_revision();
$currentthemesubrev = theme_get_sub_revision_for_theme($themename);

$cache = true;
// If the client is requesting a revision that doesn't match both
// the global theme revision and the theme specific revision then
// tell the browser not to cache this style sheet because it's
// likely being regenerated.
if ($themerev <= 0 or $themerev != $rev or $themesubrev != $currentthemesubrev) {
    $rev = $themerev;
    $themesubrev = $currentthemesubrev;
    $cache = false;

    $candidatedir = "$CFG->localcachedir/theme/$rev/$themename/css";
    $candidatesheet = "{$candidatedir}/" . theme_styles_get_filename($type, $themesubrev, $usesvg);
    $etag = theme_styles_get_etag($themename, $rev, $type, $themesubrev, $usesvg);
}

make_localcache_directory('theme', false);

if ($type === 'editor' || $type === 'editor-rtl') {
    $csscontent = $theme->get_css_content_editor();

    if ($cache) {
        css_store_css($theme, $candidatesheet, $csscontent);
        css_send_cached_css($candidatesheet, $etag);
    } else {
        css_send_uncached_css($csscontent);
    }

}

if (($fallbacksheet = theme_styles_fallback_content($theme)) && !$theme->has_css_cached_content()) {
    // The theme is not yet available and a fallback is available.
    // Return the fallback immediately, specifying the Content-Length, then generate in the background.
    $css = file_get_contents($fallbacksheet);
    css_send_temporary_css($css);

    // The fallback content has now been sent.
    // There will be an attempt to generate the content, but it should not be served.
    // The Content-Length above means that the client will disregard it anyway.
    $sendaftergeneration = false;

    // There may be another client currently holding a lock and generating the stylesheet.
    // Use a very low lock timeout as the connection will be ended immediately afterwards.
    $locktimeout = 1;
} else {
    // There is no fallback content to be issued here, therefore the generated content must be output.
    $sendaftergeneration = true;

    // Use a realistic lock timeout as the intention is to avoid lock contention.
    $locktimeout = rand(90, 120);
}

// Attempt to fetch the lock.
$lockfactory = \core\lock\lock_config::get_lock_factory('core_theme_get_css_content');
$lock = $lockfactory->get_lock($themename, $locktimeout);

if ($sendaftergeneration || $lock) {
    // Either the lock was successful, or the lock was unsuccessful but the content *must* be sent.

    // The content does not exist locally.
    // Generate and save it.
    $candidatesheet = theme_styles_generate_and_store($theme, $rev, $themesubrev, $candidatedir);

    if ($lock) {
        $lock->release();
    }

    if ($sendaftergeneration) {
        if (!$cache) {
            // Do not pollute browser caches if invalid revision requested,
            // let's ignore legacy IE breakage here too.
            css_send_uncached_css(file_get_contents($candidatesheet));

        } else {
            // Real browsers - this is the expected result!
            css_send_cached_css($candidatesheet, $etag);
        }
    }
}

/**
 * Generate the theme CSS and store it.
 *
 * @param   theme_config    $theme The theme to be generated
 * @param   int             $rev The theme revision
 * @param   int             $themesubrev The theme sub-revision
 * @param   string          $candidatedir The directory that it should be stored in
 * @return  string          The path that the primary CSS was written to
 */
function theme_styles_generate_and_store($theme, $rev, $themesubrev, $candidatedir) {
    global $CFG;
    require_once("{$CFG->libdir}/filelib.php");

    // Generate the content first.
    if (!$csscontent = $theme->get_css_cached_content()) {
        $csscontent = $theme->get_css_content();
        $theme->set_css_content_cache($csscontent);
    }

    if ($theme->get_rtl_mode()) {
        $type = "all-rtl";
    } else {
        $type = "all";
    }

    // Determine the candidatesheet path.
    $candidatesheet = "{$candidatedir}/" . theme_styles_get_filename($type, $themesubrev, $theme->use_svg_icons());

    // Store the CSS.
    css_store_css($theme, $candidatesheet, $csscontent);

    // Store the fallback CSS in the temp directory.
    // This file is used as a fallback when waiting for a theme to compile and is not versioned in any way.
    $fallbacksheet = make_temp_directory("theme/{$theme->name}")
        . "/"
        . theme_styles_get_filename($type, 0, $theme->use_svg_icons());
    css_store_css($theme, $fallbacksheet, $csscontent);

    // Delete older revisions from localcache.
    $themecachedirs = glob("{$CFG->localcachedir}/theme/*", GLOB_ONLYDIR);
    foreach ($themecachedirs as $localcachedir) {
        $cachedrev = [];
        preg_match("/\/theme\/([0-9]+)$/", $localcachedir, $cachedrev);
        $cachedrev = isset($cachedrev[1]) ? intval($cachedrev[1]) : 0;
        if ($cachedrev > 0 && $cachedrev < $rev) {
            fulldelete($localcachedir);
        }
    }

    // Delete older theme subrevision CSS from localcache.
    $subrevfiles = glob("{$CFG->localcachedir}/theme/{$rev}/{$theme->name}/css/*.css");
    foreach ($subrevfiles as $subrevfile) {
        $cachedsubrev = [];
        preg_match("/_([0-9]+)\.([0-9]+\.)?css$/", $subrevfile, $cachedsubrev);
        $cachedsubrev = isset($cachedsubrev[1]) ? intval($cachedsubrev[1]) : 0;
        if ($cachedsubrev > 0 && $cachedsubrev < $themesubrev) {
            fulldelete($subrevfile);
        }
    }

    return $candidatesheet;
}

/**
 * Fetch the preferred fallback content location if available.
 *
 * @param   theme_config    $theme The theme to be generated
 * @return  string          The path to the fallback sheet on disk
 */
function theme_styles_fallback_content($theme) {
    global $CFG;

    if (!$theme->usefallback) {
        // This theme does not support fallbacks.
        return false;
    }

    $type = $theme->get_rtl_mode() ? 'all-rtl' : 'all';
    $filename = theme_styles_get_filename($type);

    $fallbacksheet = "{$CFG->tempdir}/theme/{$theme->name}/{$filename}";
    if (file_exists($fallbacksheet)) {
        return $fallbacksheet;
    }

    return false;
}

/**
 * Get the filename for the specified configuration.
 *
 * @param   string  $type The requested sheet type
 * @param   int     $themesubrev The theme sub-revision
 * @param   bool    $usesvg Whether SVGs are allowed
 * @return  string  The filename for this sheet
 */
function theme_styles_get_filename($type, $themesubrev = 0, $usesvg = true) {
    $filename = $type;
    $filename .= ($themesubrev > 0) ? "_{$themesubrev}" : '';
    $filename .= $usesvg ? '' : '-nosvg';

    return "{$filename}.css";
}

/**
 * Determine the correct etag for the specified configuration.
 *
 * @param   string  $themename The name of the theme
 * @param   int     $rev The revision number
 * @param   string  $type The requested sheet type
 * @param   int     $themesubrev The theme sub-revision
 * @param   bool    $usesvg Whether SVGs are allowed
 * @return  string  The etag to use for this request
 */
function theme_styles_get_etag($themename, $rev, $type, $themesubrev, $usesvg) {
    $etag = [$rev, $themename, $type, $themesubrev];

    if (!$usesvg) {
        $etag[] = 'nosvg';
    }

    return sha1(implode('/', $etag));
}

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