commit vendor

vendor/sabre/dav/lib/DAV/FSExt/File.php

@@ -0,0 +1,150 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Sabre\DAV\FSExt;
+
+use Sabre\DAV;
+use Sabre\DAV\FS\Node;
+
+/**
+ * File class.
+ *
+ * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class File extends Node implements DAV\PartialUpdate\IPatchSupport
+{
+    /**
+     * Updates the data.
+     *
+     * Data is a readable stream resource.
+     *
+     * @param resource|string $data
+     *
+     * @return string
+     */
+    public function put($data)
+    {
+        file_put_contents($this->path, $data);
+        clearstatcache(true, $this->path);
+
+        return $this->getETag();
+    }
+
+    /**
+     * Updates the file based on a range specification.
+     *
+     * The first argument is the data, which is either a readable stream
+     * resource or a string.
+     *
+     * The second argument is the type of update we're doing.
+     * This is either:
+     * * 1. append
+     * * 2. update based on a start byte
+     * * 3. update based on an end byte
+     *;
+     * The third argument is the start or end byte.
+     *
+     * After a successful put operation, you may choose to return an ETag. The
+     * ETAG must always be surrounded by double-quotes. These quotes must
+     * appear in the actual string you're returning.
+     *
+     * Clients may use the ETag from a PUT request to later on make sure that
+     * when they update the file, the contents haven't changed in the mean
+     * time.
+     *
+     * @param resource|string $data
+     * @param int             $rangeType
+     * @param int             $offset
+     *
+     * @return string|null
+     */
+    public function patch($data, $rangeType, $offset = null)
+    {
+        switch ($rangeType) {
+            case 1:
+                $f = fopen($this->path, 'a');
+                break;
+            case 2:
+                $f = fopen($this->path, 'c');
+                fseek($f, $offset);
+                break;
+            case 3:
+                $f = fopen($this->path, 'c');
+                fseek($f, $offset, SEEK_END);
+                break;
+        }
+        if (is_string($data)) {
+            fwrite($f, $data);
+        } else {
+            stream_copy_to_stream($data, $f);
+        }
+        fclose($f);
+        clearstatcache(true, $this->path);
+
+        return $this->getETag();
+    }
+
+    /**
+     * Returns the data.
+     *
+     * @return resource
+     */
+    public function get()
+    {
+        return fopen($this->path, 'r');
+    }
+
+    /**
+     * Delete the current file.
+     *
+     * @return bool
+     */
+    public function delete()
+    {
+        return unlink($this->path);
+    }
+
+    /**
+     * Returns the ETag for a file.
+     *
+     * An ETag is a unique identifier representing the current version of the file. If the file changes, the ETag MUST change.
+     * The ETag is an arbitrary string, but MUST be surrounded by double-quotes.
+     *
+     * Return null if the ETag can not effectively be determined
+     *
+     * @return string|null
+     */
+    public function getETag()
+    {
+        return '"'.sha1(
+            fileinode($this->path).
+            filesize($this->path).
+            filemtime($this->path)
+        ).'"';
+    }
+
+    /**
+     * Returns the mime-type for a file.
+     *
+     * If null is returned, we'll assume application/octet-stream
+     *
+     * @return string|null
+     */
+    public function getContentType()
+    {
+        return null;
+    }
+
+    /**
+     * Returns the size of the file, in bytes.
+     *
+     * @return int
+     */
+    public function getSize()
+    {
+        return filesize($this->path);
+    }
+}