68 lines
2.3 KiB
PHP
68 lines
2.3 KiB
PHP
<?php
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/**
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* Copyright 2010-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License").
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* You may not use this file except in compliance with the License.
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* A copy of the License is located at
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*
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* http://aws.amazon.com/apache2.0
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*
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* or in the "license" file accompanying this file. This file is distributed
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* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
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* express or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*/
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namespace Aws\S3\Sync;
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/**
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* Converts filenames from one system to another
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*/
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class KeyConverter implements FilenameConverterInterface
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{
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/** @var string Directory separator for Amazon S3 keys */
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protected $delimiter;
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/** @var string Prefix to prepend to each Amazon S3 object key */
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protected $prefix;
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/** @var string Base directory to remove from each file path before converting to an object key */
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protected $baseDir;
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/**
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* @param string $baseDir Base directory to remove from each converted name
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* @param string $prefix Amazon S3 prefix
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* @param string $delimiter Directory separator used with generated names
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*/
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public function __construct($baseDir = '', $prefix = '', $delimiter = '/')
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{
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$this->baseDir = (string) $baseDir;
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$this->prefix = $prefix;
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$this->delimiter = $delimiter;
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}
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public function convert($filename)
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{
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$key = $filename;
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// Remove base directory from the key (only the first occurrence)
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if ($this->baseDir && (false !== $pos = strpos($filename, $this->baseDir))) {
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$key = substr_replace($key, '', $pos, strlen($this->baseDir));
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}
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// Replace Windows directory separators to become Unix style, and convert that to the custom dir separator
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$key = str_replace('/', $this->delimiter, str_replace('\\', '/', $key));
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// Add the key prefix and remove double slashes that are not in the protocol (e.g. prefixed with ":")
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$delim = preg_quote($this->delimiter);
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$key = preg_replace(
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"#(?<!:){$delim}{$delim}#",
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$this->delimiter,
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$this->prefix . $key
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);
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return $key;
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}
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}
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