Updates to caches
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9f1032f1a0
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130
lib/Cache.php
130
lib/Cache.php
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@ -1,5 +1,57 @@
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<?php
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class Cache {
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protected static $resourceCache = [];
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protected static function fillResourceCache() {
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$db = new Database();
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$sql = "SELECT * FROM `resources`";
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$stmt = $db::$handle->prepare($sql);
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$result = $stmt->execute();
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while ($row = $result->fetchArray(SQLITE3_ASSOC)) {
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self::$resourceCache[$row["name"]] = $row;
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}
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}
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public static function hasResourceCache(string $name) {
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if (count(self::$resourceCache) == 0) {
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self::fillResourceCache();
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}
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return isset(self::$resourceCache[$name]);
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}
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public static function setResourceCache(string $name, $data) {
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self::$resourceCache[$name] = $data;
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}
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public static function getResourceCache(string $name) {
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if (count(self::$resourceCache) == 0) {
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self::fillResourceCache();
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}
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if (isset(self::$resourceCache[$name])) {
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return self::$resourceCache[$name];
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}
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return null;
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}
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public static function getResourceCacheByThumbnailUrl(string $url) {
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if (count(self::$resourceCache) == 0) {
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self::fillResourceCache();
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}
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foreach (self::$resourceCache as $resource) {
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if ($resource["url"] == $url) {
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return $resource;
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}
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}
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return null;
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}
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public static function getCacheFile(string $name, $maxAge = 3600) {
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$cacheFile = CACHE_DIR . "/" . $name;
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@ -18,28 +70,12 @@ class Cache {
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}
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public static function publicCacheExists(string $name, bool $skipExtensionCheck = false) {
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// For now cache is not reliable since we use a generated name.
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return false;
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/*if (!$skipExtensionCheck) {
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$ext = substr($name, strrpos($name, ".") + 1);
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if (strtolower($ext) == "jpg" || strtolower($ext) == "jpeg" || strtolower($ext) == "png") {
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$name = str_replace("." . $ext, ".webp", strtolower($name));
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}
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}
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$cacheFile = PUBLIC_CACHE_DIR . "/" . $name;
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try {
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$fe = file_exists($cacheFile);
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} catch (Exception $e) {
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$fe = false;
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Logger::log("Could not check if public cache file " . $name . " exists: " . $e->getMessage(), Logger::ERROR, "Cache");
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}
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return $fe;*/
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return self::hasResourceCache($name);
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}
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public static function savePublicCacheFile(string $name, string $data, int $cacheLevel = 70, bool $skipExtensionCheck = false) {
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$originalName = $name;
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$name = strtolower($name);
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$ext = substr($name, strrpos($name, ".") + 1);
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@ -55,10 +91,31 @@ class Cache {
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$cacheFile = PUBLIC_CACHE_DIR . "/" . $name;
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$blurhash = self::generateBlurHash($cacheFile, $img, $skipExtensionCheck);
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if (!empty($blurhash)) {
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$name = "BH-" . bin2hex($blurhash) . "-W" . $img->getImageWidth() . "xH" . $img->getImageHeight() . ".webp";
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$cacheFile = PUBLIC_CACHE_DIR . "/" . $name;
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}
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$resourceSql = "INSERT INTO `resources` (`name`, `type`, `blurhash`, `url`, `width`, `height`, `hasBeenProcessed`, `modified`)
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VALUES (:name,:type,:blurhash,:url,:width,:height,1,strftime('%Y-%m-%d %H:%M:%S','now'))";
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$db = new Database();
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$resourceStmt = $db::$handle->prepare($resourceSql);
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$resourceStmt->bindValue(":name", $originalName);
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$resourceStmt->bindValue(":type", "image/webp");
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$resourceStmt->bindValue(":blurhash", $blurhash);
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$resourceStmt->bindValue(":url", PUBLIC_CACHE_URL . "/" . $name);
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$resourceStmt->bindValue(":width", $img->getImageWidth());
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$resourceStmt->bindValue(":height", $img->getImageHeight());
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$resourceStmt->execute();
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// Append to the resource cache
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self::setResourceCache($originalName, [
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"name" => $originalName,
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"type" => "image/webp",
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"blurhash" => $blurhash,
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"url" => PUBLIC_CACHE_URL . "/" . $name,
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"width" => $img->getImageWidth(),
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"height" => $img->getImageHeight(),
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"hasBeenProcessed" => 1,
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"modified" => date("Y-m-d H:i:s")
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]);
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// For now don't transfer file if its generated name exists
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if (file_exists($cacheFile)) {
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@ -117,4 +174,31 @@ class Cache {
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return $hash;
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}
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}
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public static function getBlurHashImage($blurhash,$width = 269, $height = 173) {
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$hash = \kornrunner\Blurhash\Blurhash::decode($blurhash, $width, $height);
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$img = new Imagick();
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$img->newImage($width, $height, new ImagickPixel("white"));
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$img->setImageFormat("webp");
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$img->setImageCompressionQuality(60);
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$pixels = [];
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for ($y = 0; $y < $height; ++$y) {
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for ($x = 0; $x < $width; ++$x) {
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[$r, $g, $b] = $hash[$y][$x];
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$pixels[] = $r;
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$pixels[] = $g;
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$pixels[] = $b;
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}
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}
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$img->importImagePixels(0, 0, $width, $height, "RGB", Imagick::PIXEL_CHAR, $pixels);
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$img->stripImage();
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$data = $img->getImageBlob();
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return "data:image/webp;base64," . base64_encode($data);
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}
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}
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@ -71,7 +71,21 @@ class Database
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if ($run === true) {
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Logger::log("Found migration for table " . $migrationTable . " version " . $migrationVersion, LOGGER::INFO, "Database");
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$migrationContents = file_get_contents(MIGRATIONS_DIR . "/" . $migration);
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$possiblePaths = [LIB_MIGRATIONS_DIR, MIGRATIONS_DIR];
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$migrationFile = null;
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foreach ($possiblePaths as $possiblePath) {
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if (file_exists($possiblePath . "/" . $migration)) {
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$migrationFile = $possiblePath . "/" . $migration;
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break;
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}
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}
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if ($migrationFile === null) {
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Logger::log("Could not find migration file for table " . $migrationTable . " version " . $migrationVersion, LOGGER::ERROR, "Database");
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continue;
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}
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$migrationContents = file_get_contents($migrationFile);
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if (@self::$handle->exec($migrationContents)) {
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self::$handle->exec("INSERT INTO `migrations` (`table`,`version`, `schemafile`, `created`) VALUES ('" . $migrationTable . "'," . $migrationVersion . ",'" . $migration . "', strftime('%Y-%m-%d %H:%M:%S','now'))");
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$migrationCount++;
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@ -0,0 +1,17 @@
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CREATE TABLE IF NOT EXISTS `resources` (
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`id` INTEGER PRIMARY KEY AUTOINCREMENT,
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`name` TEXT NOT NULL,
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`type` TEXT NOT NULL,
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`blurhash` TEXT DEFAULT NULL,
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`url` TEXT NOT NULL,
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`width` INTEGER DEFAULT NULL,
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`height` INTEGER DEFAULT NULL,
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`hasBeenProcessed` INTEGER DEFAULT 0,
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`modified` TEXT NOT NULL
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);
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CREATE UNIQUE INDEX IF NOT EXISTS `resources_name` ON `resources` (`name`);
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CREATE INDEX IF NOT EXISTS `resources_blurhash` ON `resources` (`blurhash`);
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CREATE INDEX IF NOT EXISTS `resources_type` ON `resources` (`type`);
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CREATE INDEX IF NOT EXISTS `resources_hasBeenProcessed` ON `resources` (`hasBeenProcessed`);
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CREATE INDEX IF NOT EXISTS `resources_modified` ON `resources` (`modified`);
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