Merge commit '1392bd3a96045302b60d845a90901a4b2234c475' as 'seatmap-webapi'

2021-01-20 12:59:59 +01:00
parent 02563fed9f 1392bd3a96
commit ea9085b4a4
261 changed files with 39680 additions and 0 deletions
--- a/seatmap-webapi/src/Tqdev/PhpCrudApi/Cache/TempFileCache.php
+++ b/seatmap-webapi/src/Tqdev/PhpCrudApi/Cache/TempFileCache.php
@@ -0,0 +1,149 @@
+<?php
+
+namespace Tqdev\PhpCrudApi\Cache;
+
+class TempFileCache implements Cache
+{
+    const SUFFIX = 'cache';
+
+    private $path;
+    private $segments;
+
+    public function __construct(string $prefix, string $config)
+    {
+        $this->segments = [];
+        $s = DIRECTORY_SEPARATOR;
+        $ps = PATH_SEPARATOR;
+        if ($config == '') {
+            $this->path = sys_get_temp_dir() . $s . $prefix . self::SUFFIX;
+        } elseif (strpos($config, $ps) === false) {
+            $this->path = $config;
+        } else {
+            list($path, $segments) = explode($ps, $config);
+            $this->path = $path;
+            $this->segments = explode(',', $segments);
+        }
+        if (file_exists($this->path) && is_dir($this->path)) {
+            $this->clean($this->path, array_filter($this->segments), strlen(md5('')), false);
+        }
+    }
+
+    private function getFileName(string $key): string
+    {
+        $s = DIRECTORY_SEPARATOR;
+        $md5 = md5($key);
+        $filename = rtrim($this->path, $s) . $s;
+        $i = 0;
+        foreach ($this->segments as $segment) {
+            $filename .= substr($md5, $i, $segment) . $s;
+            $i += $segment;
+        }
+        $filename .= substr($md5, $i);
+        return $filename;
+    }
+
+    public function set(string $key, string $value, int $ttl = 0): bool
+    {
+        $filename = $this->getFileName($key);
+        $dirname = dirname($filename);
+        if (!file_exists($dirname)) {
+            if (!mkdir($dirname, 0755, true)) {
+                return false;
+            }
+        }
+        $string = $ttl . '|' . $value;
+        return $this->filePutContents($filename, $string) !== false;
+    }
+
+    private function filePutContents($filename, $string)
+    {
+        return file_put_contents($filename, $string, LOCK_EX);
+    }
+
+    private function fileGetContents($filename)
+    {
+        $file = fopen($filename, 'rb');
+        if ($file === false) {
+            return false;
+        }
+        $lock = flock($file, LOCK_SH);
+        if (!$lock) {
+            fclose($file);
+            return false;
+        }
+        $string = '';
+        while (!feof($file)) {
+            $string .= fread($file, 8192);
+        }
+        flock($file, LOCK_UN);
+        fclose($file);
+        return $string;
+    }
+
+    private function getString($filename): string
+    {
+        $data = $this->fileGetContents($filename);
+        if ($data === false) {
+            return '';
+        }
+        if (strpos($data, '|') === false) {
+            return '';
+        }
+        list($ttl, $string) = explode('|', $data, 2);
+        if ($ttl > 0 && time() - filemtime($filename) > $ttl) {
+            return '';
+        }
+        return $string;
+    }
+
+    public function get(string $key): string
+    {
+        $filename = $this->getFileName($key);
+        if (!file_exists($filename)) {
+            return '';
+        }
+        $string = $this->getString($filename);
+        if ($string == null) {
+            return '';
+        }
+        return $string;
+    }
+
+    private function clean(string $path, array $segments, int $len, bool $all) /*: void*/
+    {
+        $entries = scandir($path);
+        foreach ($entries as $entry) {
+            if ($entry === '.' || $entry === '..') {
+                continue;
+            }
+            $filename = $path . DIRECTORY_SEPARATOR . $entry;
+            if (count($segments) == 0) {
+                if (strlen($entry) != $len) {
+                    continue;
+                }
+                if (file_exists($filename) && is_file($filename)) {
+                    if ($all || $this->getString($filename) == null) {
+                        @unlink($filename);
+                    }
+                }
+            } else {
+                if (strlen($entry) != $segments[0]) {
+                    continue;
+                }
+                if (file_exists($filename) && is_dir($filename)) {
+                    $this->clean($filename, array_slice($segments, 1), $len - $segments[0], $all);
+                    @rmdir($filename);
+                }
+            }
+        }
+    }
+
+    public function clear(): bool
+    {
+        if (!file_exists($this->path) || !is_dir($this->path)) {
+            return false;
+        }
+        $this->clean($this->path, array_filter($this->segments), strlen(md5('')), true);
+        return true;
+    }
+}