ÿØÿà JFIF    ÿÛ „  ( %"1!%)+...383,7(-.+  -+++--++++---+-+-----+---------------+---+-++7-----ÿÀ  ß â" ÿÄ     ÿÄ H    !1AQaq"‘¡2B±ÁÑð#R“Ò Tbr‚²á3csƒ’ÂñDS¢³$CÿÄ   ÿÄ %  !1AQa"23‘ÿÚ   ? ôÿ ¨pŸªáÿ —åYõõ\?àÒü©ŠÄï¨pŸªáÿ —åYõõ\?àÓü©ŠÄá 0Ÿªáÿ Ÿå[úƒ ú®ði~TÁbqÐ8OÕpÿ ƒOò¤Oè`–RÂáœá™êi€ßÉ< FtŸI“öÌ8úDf´°å}“¾œ6  öFá°y¥jñÇh†ˆ¢ã/ÃÐ:ªcÈ "Y¡ðÑl>ÿ ”ÏËte:qž\oäŠe÷󲍷˜HT4&ÿ ÓÐü6ö®¿øþßèô Ÿ•7Ñi’•j|“ñì>b…þS?*Óôÿ ÓÐü*h¥£ír¶ü UãSç‚Ÿ[AÐaè[ûª•õ&õj?†Éö+EzP—WeÒírJFt ‘BŒ†Ï‡%#tE Øz ¥OÛ«!1›üä±Í™%ºÍãö]°î(–:@<‹ŒÊö×òÆt¦ãº+‡¦%ÌÁ²h´OƒJŒtMÜ>ÀÜÊw3Y´•牋4ǍýʏTì>œú=Íwhyë,¾Ôò×õ¿ßÊa»«þˆѪQ|%6ž™A õ%:øj<>É—ÿ Å_ˆCbõ¥š±ý¯Ýƒï…¶|RëócÍf溪“t.СøTÿ *Ä¿-{†çàczůŽ_–^XþŒ±miB[X±d 1,é”zEù»& î9gœf™9Ð'.;—™i}!ôšåîqêÛ٤ёý£½ÆA–àôe"A$˝Úsäÿ ÷Û #°xŸëí(l »ý3—¥5m! rt`†0~'j2(]S¦¦kv,ÚÇ l¦øJA£Šƒ J3E8ÙiŽ:cÉžúeZ°€¯\®kÖ(79«Ž:¯X”¾³Š&¡* ….‰Ž(ÜíŸ2¥ª‡×Hi²TF¤ò[¨íÈRëÉ䢍mgÑ.Ÿ<öäS0í„ǹÁU´f#Vß;Õ–…P@3ío<ä-±»Ž.L|kªÀê›fÂ6@»eu‚|ÓaÞÆŸ…¨ááå>åŠ?cKü6ùTÍÆ”†sĤÚ;H2RÚ†õ\Ö·Ÿn'¾ ñ#ºI¤Å´%çÁ­‚â7›‹qT3Iï¨ÖÚ5I7Ë!ÅOóŸ¶øÝñØôת¦$Tcö‘[«Ö³šÒ';Aþ ¸èíg A2Z"i¸vdÄ÷.iõ®§)¿]¤À†–‡É&ä{V¶iŽ”.Ó×Õÿ û?h¬Mt–íª[ÿ Ñÿ ÌV(í}=ibÔ¡›¥¢±b Lô¥‡piη_Z<‡z§èŒ)iÖwiÇ 2hÙ3·=’d÷8éŽ1¦¸c¤µ€7›7Ø ð\á)} ¹fËí›pAÃL%âc2 í§æQz¿;T8sæ°qø)QFMð‰XŒÂ±N¢aF¨…8¯!U  Z©RÊ ÖPVÄÀÍin™Ì-GˆªÅËŠ›•zË}º±ŽÍFò¹}Uw×#ä5B¤{î}Ð<ÙD é©¤&‡ïDbàÁôMÁ." ¤‡ú*õ'VŽ|¼´Úgllº¼klz[Æüï÷Aób‡Eÿ dÑ»Xx9ÃÜ£ÁT/`¼¸vI±Ýµ·Ë‚“G³þ*Ÿû´r|*}<¨îºœ @¦mÄ’M¹”.œ«Y–|6ÏU¤jç¥ÕÞqO ˜kDÆÁ¨5ÿ š;Њ¦¦€GÙk \ –Þ=â¼=SͧµªS°ÚÍpÜãQűÀõ¬?ÃÁ1Ñ•õZà?hóœ€ L¦l{Y*K˜Ù›zc˜–ˆâ ø+¾ ­-Ök¥%ùEÜA'}ˆ><ÊIè“bpÍ/qÞâvoX€w,\úªò6Z[XdÒæ­@Ö—€$òJí#é>'°Ú ôª˜<)4ryÙ£|óAÅn5žêŸyÒäMÝ2{"}‰–¤l÷ûWX\l¾Á¸góÉOÔ /óñB¤f¸çñ[.P˜ZsÊË*ßT܈§QN¢’¡¨§V¼(Üù*eÕ“”5T¨‹Âê¥FŒã½Dü[8'Ò¥a…Ú¶k7a *•›¼'Ò·\8¨ª\@\õ¢¦íq+DÙrmÎ…_ªæ»ŠÓœ¡¯’Ré9MÅ×D™lælffc+ŒÑ,ý™ÿ ¯þǤ=Å’Á7µ÷ÚÛ/“Ü€ñýã¼àí¾ÕÑ+ƒ,uµMâÀÄbm:ÒÎPæ{˜Gz[ƒ¯«® KHà`ßØŠéí¯P8Aq.C‰ à€kòpj´kN¶qô€…Õ,ÜNŠª-­{Zö’æû44‰sŽè‰îVíRœÕm" 6?³D9¡ÇTíÅꋇ`4«¸ÝÁô ï’ýorqКÇZ«x4Žâéþuïf¹µö[P ,Q£éaX±`PÉÍZ ¸äYúg üAx ’6Lê‚xÝÓ*äQ  Ï’¨hÍ =²,6ï#rÃ<¯–£»ƒ‹,–ê•€ aÛsñ'%Æ"®ÛüìBᝠHÚ3ß°©$“XnœÖ’î2ËTeûìxîß ¦å¿çÉ ðK§þ{‘t‚Ϋ¬jéîZ[ ”š7L¥4VÚCE×]m¤Øy”ä4-dz£œ§¸x.*ãÊÊ b÷•h:©‡¦s`BTÁRû¾g⻩‹jø sF¢àJøFl‘È•Xᓁà~*j¯ +(ÚÕ6-£¯÷GŠØy‚<Ç’.F‹Hœw(+)ÜÜâÈzÄäT§FߘãÏ;DmVœ3Àu@mÚüXÝü•3B¨òÌÁÛ<·ÃÜ z,Ì@õÅ·d2]ü8s÷IôÞ¯^Ç9¢u„~ëAŸï4«M? 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use Psr\Cache\CacheItemInterface; use Psr\Log\LoggerAwareTrait; use Symfony\Component\Cache\CacheItem; use Symfony\Component\Cache\Exception\InvalidArgumentException; /** * @author Nicolas Grekas * * @internal */ trait AbstractAdapterTrait { use LoggerAwareTrait; /** * needs to be set by class, signature is function(string , mixed , bool ). */ private static \Closure $createCacheItem; /** * needs to be set by class, signature is function(array , string , array <&expiredIds>). */ private static \Closure $mergeByLifetime; private string $namespace = ''; private int $defaultLifetime; private string $namespaceVersion = ''; private bool $versioningIsEnabled = false; private array $deferred = []; private array $ids = []; /** * @var int|null The maximum length to enforce for identifiers or null when no limit applies */ protected $maxIdLength; /** * Fetches several cache items. * * @param array $ids The cache identifiers to fetch * * @return array|\Traversable */ abstract protected function doFetch(array $ids): iterable; /** * Confirms if the cache contains specified cache item. * * @param string $id The identifier for which to check existence */ abstract protected function doHave(string $id): bool; /** * Deletes all items in the pool. * * @param string $namespace The prefix used for all identifiers managed by this pool */ abstract protected function doClear(string $namespace): bool; /** * Removes multiple items from the pool. * * @param array $ids An array of identifiers that should be removed from the pool */ abstract protected function doDelete(array $ids): bool; /** * Persists several cache items immediately. * * @param array $values The values to cache, indexed by their cache identifier * @param int $lifetime The lifetime of the cached values, 0 for persisting until manual cleaning * * @return array|bool The identifiers that failed to be cached or a boolean stating if caching succeeded or not */ abstract protected function doSave(array $values, int $lifetime): array|bool; /** * {@inheritdoc} */ public function hasItem(mixed $key): bool { $id = $this->getId($key); if (isset($this->deferred[$key])) { $this->commit(); } try { return $this->doHave($id); } catch (\Exception $e) { CacheItem::log($this->logger, 'Failed to check if key "{key}" is cached: '.$e->getMessage(), ['key' => $key, 'exception' => $e, 'cache-adapter' => get_debug_type($this)]); return false; } } /** * {@inheritdoc} */ public function clear(string $prefix = ''): bool { $this->deferred = []; if ($cleared = $this->versioningIsEnabled) { if ('' === $namespaceVersionToClear = $this->namespaceVersion) { foreach ($this->doFetch([static::NS_SEPARATOR.$this->namespace]) as $v) { $namespaceVersionToClear = $v; } } $namespaceToClear = $this->namespace.$namespaceVersionToClear; $namespaceVersion = self::formatNamespaceVersion(mt_rand()); try { $e = $this->doSave([static::NS_SEPARATOR.$this->namespace => $namespaceVersion], 0); } catch (\Exception $e) { } if (true !== $e && [] !== $e) { $cleared = false; $message = 'Failed to save the new namespace'.($e instanceof \Exception ? ': '.$e->getMessage() : '.'); CacheItem::log($this->logger, $message, ['exception' => $e instanceof \Exception ? $e : null, 'cache-adapter' => get_debug_type($this)]); } else { $this->namespaceVersion = $namespaceVersion; $this->ids = []; } } else { $namespaceToClear = $this->namespace.$prefix; } try { return $this->doClear($namespaceToClear) || $cleared; } catch (\Exception $e) { CacheItem::log($this->logger, 'Failed to clear the cache: '.$e->getMessage(), ['exception' => $e, 'cache-adapter' => get_debug_type($this)]); return false; } } /** * {@inheritdoc} */ public function deleteItem(mixed $key): bool { return $this->deleteItems([$key]); } /** * {@inheritdoc} */ public function deleteItems(array $keys): bool { $ids = []; foreach ($keys as $key) { $ids[$key] = $this->getId($key); unset($this->deferred[$key]); } try { if ($this->doDelete($ids)) { return true; } } catch (\Exception $e) { } $ok = true; // When bulk-delete failed, retry each item individually foreach ($ids as $key => $id) { try { $e = null; if ($this->doDelete([$id])) { continue; } } catch (\Exception $e) { } $message = 'Failed to delete key "{key}"'.($e instanceof \Exception ? ': '.$e->getMessage() : '.'); CacheItem::log($this->logger, $message, ['key' => $key, 'exception' => $e, 'cache-adapter' => get_debug_type($this)]); $ok = false; } return $ok; } /** * {@inheritdoc} */ public function getItem(mixed $key): CacheItem { $id = $this->getId($key); if (isset($this->deferred[$key])) { $this->commit(); } $isHit = false; $value = null; try { foreach ($this->doFetch([$id]) as $value) { $isHit = true; } return (self::$createCacheItem)($key, $value, $isHit); } catch (\Exception $e) { CacheItem::log($this->logger, 'Failed to fetch key "{key}": '.$e->getMessage(), ['key' => $key, 'exception' => $e, 'cache-adapter' => get_debug_type($this)]); } return (self::$createCacheItem)($key, null, false); } /** * {@inheritdoc} */ public function getItems(array $keys = []): iterable { $ids = []; $commit = false; foreach ($keys as $key) { $ids[] = $this->getId($key); $commit = $commit || isset($this->deferred[$key]); } if ($commit) { $this->commit(); } try { $items = $this->doFetch($ids); } catch (\Exception $e) { CacheItem::log($this->logger, 'Failed to fetch items: '.$e->getMessage(), ['keys' => $keys, 'exception' => $e, 'cache-adapter' => get_debug_type($this)]); $items = []; } $ids = array_combine($ids, $keys); return $this->generateItems($items, $ids); } /** * {@inheritdoc} */ public function save(CacheItemInterface $item): bool { if (!$item instanceof CacheItem) { return false; } $this->deferred[$item->getKey()] = $item; return $this->commit(); } /** * {@inheritdoc} */ public function saveDeferred(CacheItemInterface $item): bool { if (!$item instanceof CacheItem) { return false; } $this->deferred[$item->getKey()] = $item; return true; } /** * Enables/disables versioning of items. * * When versioning is enabled, clearing the cache is atomic and doesn't require listing existing keys to proceed, * but old keys may need garbage collection and extra round-trips to the back-end are required. * * Calling this method also clears the memoized namespace version and thus forces a resynchonization of it. * * @return bool the previous state of versioning */ public function enableVersioning(bool $enable = true): bool { $wasEnabled = $this->versioningIsEnabled; $this->versioningIsEnabled = $enable; $this->namespaceVersion = ''; $this->ids = []; return $wasEnabled; } /** * {@inheritdoc} */ public function reset() { if ($this->deferred) { $this->commit(); } $this->namespaceVersion = ''; $this->ids = []; } public function __sleep(): array { throw new \BadMethodCallException('Cannot serialize '.__CLASS__); } public function __wakeup() { throw new \BadMethodCallException('Cannot unserialize '.__CLASS__); } public function __destruct() { if ($this->deferred) { $this->commit(); } } private function generateItems(iterable $items, array &$keys): \Generator { $f = self::$createCacheItem; try { foreach ($items as $id => $value) { if (!isset($keys[$id])) { throw new InvalidArgumentException(sprintf('Could not match value id "%s" to keys "%s".', $id, implode('", "', $keys))); } $key = $keys[$id]; unset($keys[$id]); yield $key => $f($key, $value, true); } } catch (\Exception $e) { CacheItem::log($this->logger, 'Failed to fetch items: '.$e->getMessage(), ['keys' => array_values($keys), 'exception' => $e, 'cache-adapter' => get_debug_type($this)]); } foreach ($keys as $key) { yield $key => $f($key, null, false); } } private function getId(mixed $key) { if ($this->versioningIsEnabled && '' === $this->namespaceVersion) { $this->ids = []; $this->namespaceVersion = '1'.static::NS_SEPARATOR; try { foreach ($this->doFetch([static::NS_SEPARATOR.$this->namespace]) as $v) { $this->namespaceVersion = $v; } $e = true; if ('1'.static::NS_SEPARATOR === $this->namespaceVersion) { $this->namespaceVersion = self::formatNamespaceVersion(time()); $e = $this->doSave([static::NS_SEPARATOR.$this->namespace => $this->namespaceVersion], 0); } } catch (\Exception $e) { } if (true !== $e && [] !== $e) { $message = 'Failed to save the new namespace'.($e instanceof \Exception ? ': '.$e->getMessage() : '.'); CacheItem::log($this->logger, $message, ['exception' => $e instanceof \Exception ? $e : null, 'cache-adapter' => get_debug_type($this)]); } } if (\is_string($key) && isset($this->ids[$key])) { return $this->namespace.$this->namespaceVersion.$this->ids[$key]; } \assert('' !== CacheItem::validateKey($key)); $this->ids[$key] = $key; if (\count($this->ids) > 1000) { array_splice($this->ids, 0, 500); // stop memory leak if there are many keys } if (null === $this->maxIdLength) { return $this->namespace.$this->namespaceVersion.$key; } if (\strlen($id = $this->namespace.$this->namespaceVersion.$key) > $this->maxIdLength) { // Use MD5 to favor speed over security, which is not an issue here $this->ids[$key] = $id = substr_replace(base64_encode(hash('md5', $key, true)), static::NS_SEPARATOR, -(\strlen($this->namespaceVersion) + 2)); $id = $this->namespace.$this->namespaceVersion.$id; } return $id; } /** * @internal */ public static function handleUnserializeCallback(string $class) { throw new \DomainException('Class not found: '.$class); } private static function formatNamespaceVersion(int $value): string { return strtr(substr_replace(base64_encode(pack('V', $value)), static::NS_SEPARATOR, 5), '/', '_'); } }