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First Local Commit - After Clean up.

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Signed-off-by: Rick Hays <rhays@haysgang.com>
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Rick Hays
2019-12-02 14:54:38 -06:00
commit 10412ab7f6
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system/HTTP/Files/FileCollection.php Normal file
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014-2019 British Columbia Institute of Technology
* Copyright (c) 2019 CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author CodeIgniter Dev Team
* @copyright 2019 CodeIgniter Foundation
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 4.0.0
* @filesource
*/
namespace CodeIgniter\HTTP\Files;
/**
* Class FileCollection
*
* Provides easy access to uploaded files for a request.
*
* @package CodeIgniter\HTTP\Files
*/
class FileCollection
{
/**
* An array of UploadedFile instances for any files
* uploaded as part of this request.
* Populated the first time either files(), file(), or hasFile()
* is called.
*
* @var array|null
*/
protected $files;
//--------------------------------------------------------------------
/**
* Returns an array of all uploaded files that were found.
* Each element in the array will be an instance of UploadedFile.
* The key of each element will be the client filename.
*
* @return array|null
*/
public function all()
{
$this->populateFiles();
return $this->files;
}
//--------------------------------------------------------------------
/**
* Attempts to get a single file from the collection of uploaded files.
*
* @param string $name
*
* @return UploadedFile|null
*/
public function getFile(string $name)
{
$this->populateFiles();
if ($this->hasFile($name))
{
if (strpos($name, '.') !== false)
{
$name = explode('.', $name);
$uploadedFile = $this->getValueDotNotationSyntax($name, $this->files);
return ($uploadedFile instanceof UploadedFile) ?
$uploadedFile : null;
}
if (array_key_exists($name, $this->files))
{
$uploadedFile = $this->files[$name];
return ($uploadedFile instanceof UploadedFile) ?
$uploadedFile : null;
}
}
return null;
}
//--------------------------------------------------------------------
/**
* Verify if a file exist in the collection of uploaded files and is have been uploaded with multiple option.
*
* @param string $name
*
* @return array|null
*/
public function getFileMultiple(string $name)
{
$this->populateFiles();
if ($this->hasFile($name))
{
if (strpos($name, '.') !== false)
{
$name = explode('.', $name);
$uploadedFile = $this->getValueDotNotationSyntax($name, $this->files);
return (is_array($uploadedFile) && ($uploadedFile[0] instanceof UploadedFile)) ?
$uploadedFile : null;
}
if (array_key_exists($name, $this->files))
{
$uploadedFile = $this->files[$name];
return (is_array($uploadedFile) && ($uploadedFile[0] instanceof UploadedFile)) ?
$uploadedFile : null;
}
}
return null;
}
//--------------------------------------------------------------------
/**
* Checks whether an uploaded file with name $fileID exists in
* this request.
*
* @param string $fileID The name of the uploaded file (from the input)
*
* @return boolean
*/
public function hasFile(string $fileID): bool
{
$this->populateFiles();
if (strpos($fileID, '.') !== false)
{
$segments = explode('.', $fileID);
$el = $this->files;
foreach ($segments as $segment)
{
if (! array_key_exists($segment, $el))
{
return false;
}
$el = $el[$segment];
}
return true;
}
return isset($this->files[$fileID]);
}
//--------------------------------------------------------------------
/**
* Taking information from the $_FILES array, it creates an instance
* of UploadedFile for each one, saving the results to this->files.
*
* Called by files(), file(), and hasFile()
*/
protected function populateFiles()
{
if (is_array($this->files))
{
return;
}
$this->files = [];
if (empty($_FILES))
{
return;
}
$files = $this->fixFilesArray($_FILES);
foreach ($files as $name => $file)
{
$this->files[$name] = $this->createFileObject($file);
}
}
//--------------------------------------------------------------------
/**
* Given a file array, will create UploadedFile instances. Will
* loop over an array and create objects for each.
*
* @param array $array
*
* @return array|UploadedFile
*/
protected function createFileObject(array $array)
{
if (! isset($array['name']))
{
$output = [];
foreach ($array as $key => $values)
{
if (! is_array($values))
{
continue;
}
$output[$key] = $this->createFileObject($values);
}
return $output;
}
return new UploadedFile(
$array['tmp_name'] ?? null, $array['name'] ?? null, $array['type'] ?? null, $array['size'] ?? null, $array['error'] ?? null
);
}
//--------------------------------------------------------------------
/**
* Reformats the odd $_FILES array into something much more like
* we would expect, with each object having its own array.
*
* Thanks to Jack Sleight on the PHP Manual page for the basis
* of this method.
*
* @see http://php.net/manual/en/reserved.variables.files.php#118294
*
* @param array $data
*
* @return array
*/
protected function fixFilesArray(array $data): array
{
$output = [];
foreach ($data as $name => $array)
{
foreach ($array as $field => $value)
{
$pointer = &$output[$name];
if (! is_array($value))
{
$pointer[$field] = $value;
continue;
}
$stack = [&$pointer];
$iterator = new \RecursiveIteratorIterator(
new \RecursiveArrayIterator($value), \RecursiveIteratorIterator::SELF_FIRST
);
foreach ($iterator as $key => $val)
{
array_splice($stack, $iterator->getDepth() + 1);
$pointer = &$stack[count($stack) - 1];
$pointer = &$pointer[$key];
$stack[] = &$pointer;
if (! $iterator->hasChildren())
{
$pointer[$field] = $val;
}
}
}
}
return $output;
}
//--------------------------------------------------------------------
/**
* Navigate through a array looking for a particular index
*
* @param array $index The index sequence we are navigating down
* @param array $value The portion of the array to process
*
* @return mixed
*/
protected function getValueDotNotationSyntax(array $index, array $value)
{
if (is_array($index) && ! empty($index))
{
$current_index = array_shift($index);
}
if (is_array($index) && $index && is_array($value[$current_index]) && $value[$current_index])
{
return $this->getValueDotNotationSyntax($index, $value[$current_index]);
}
return (isset($value[$current_index])) ? $value[$current_index] : null;
}
}