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fix: UploadedFile::move() may return incorrect value #5302

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Nov 23, 2021
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15 changes: 10 additions & 5 deletions system/HTTP/Files/UploadedFile.php
Original file line number Diff line number Diff line change
Expand Up @@ -141,20 +141,25 @@ public function move(string $targetPath, ?string $name = null, bool $overwrite =
$destination = $overwrite ? $targetPath . $name : $this->getDestination($targetPath . $name);

try {
move_uploaded_file($this->path, $destination);
$this->hasMoved = move_uploaded_file($this->path, $destination);
} catch (Exception $e) {
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$error = error_get_last();
$message = isset($error['message']) ? strip_tags($error['message']) : '';
$message = strip_tags($error['message'] ?? '');

throw HTTPException::forMoveFailed(basename($this->path), $targetPath, $message);
}

if ($this->hasMoved === false) {
$message = 'move_uploaded_file() returned false';

throw HTTPException::forMoveFailed(basename($this->path), $targetPath, $message);
}

@chmod($targetPath, 0777 & ~umask());

// Success, so store our new information
$this->path = $targetPath;
$this->name = basename($destination);
$this->hasMoved = true;
$this->path = $targetPath;
$this->name = basename($destination);

return true;
}
Expand Down
82 changes: 60 additions & 22 deletions tests/system/HTTP/Files/FileMovingTest.php
Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,9 @@ protected function setUp(): void
}

$_FILES = [];

// Set the mock's return value to true
move_uploaded_file('', '', true);
}

protected function tearDown(): void
Expand All @@ -52,8 +55,7 @@ protected function tearDown(): void
public function testMove()
{
$finalFilename = 'fileA';

$_FILES = [
$_FILES = [
'userfile1' => [
'name' => $finalFilename . '.txt',
'type' => 'text/plain',
Expand All @@ -76,7 +78,6 @@ public function testMove()
$this->assertTrue($collection->hasFile('userfile2'));

$destination = $this->destination;

// Create the destination if not exists
if (! is_dir($destination)) {
mkdir($destination, 0777, true);
Expand All @@ -94,8 +95,7 @@ public function testMove()
public function testMoveOverwriting()
{
$finalFilename = 'file_with_delimiters_underscore';

$_FILES = [
$_FILES = [
'userfile1' => [
'name' => $finalFilename . '.txt',
'type' => 'text/plain',
Expand Down Expand Up @@ -126,7 +126,6 @@ public function testMoveOverwriting()
$this->assertTrue($collection->hasFile('userfile3'));

$destination = $this->destination;

// Create the destination if not exists
if (! is_dir($destination)) {
mkdir($destination, 0777, true);
Expand All @@ -146,8 +145,7 @@ public function testMoveOverwriting()
public function testMoved()
{
$finalFilename = 'fileA';

$_FILES = [
$_FILES = [
'userfile1' => [
'name' => $finalFilename . '.txt',
'type' => 'text/plain',
Expand All @@ -162,7 +160,6 @@ public function testMoved()
$this->assertTrue($collection->hasFile('userfile1'));

$destination = $this->destination;

// Create the destination if not exists
if (! is_dir($destination)) {
mkdir($destination, 0777, true);
Expand All @@ -172,15 +169,16 @@ public function testMoved()

$this->assertInstanceOf(UploadedFile::class, $file);
$this->assertFalse($file->hasMoved());

$file->move($destination, $file->getName(), false);

$this->assertTrue($file->hasMoved());
}

public function testStore()
{
$finalFilename = 'fileA';

$_FILES = [
$_FILES = [
'userfile1' => [
'name' => $finalFilename . '.txt',
'type' => 'text/plain',
Expand All @@ -195,7 +193,6 @@ public function testStore()
$this->assertTrue($collection->hasFile('userfile1'));

$destination = $this->destination;

// Create the destination if not exists
if (! is_dir($destination)) {
mkdir($destination, 0777, true);
Expand All @@ -204,15 +201,16 @@ public function testStore()
$file = $collection->getFile('userfile1');

$this->assertInstanceOf(UploadedFile::class, $file);

$path = $file->store($destination, $file->getName());

$this->assertSame($destination . '/fileA.txt', $path);
}

public function testAlreadyMoved()
{
$finalFilename = 'fileA';

$_FILES = [
$_FILES = [
'userfile1' => [
'name' => $finalFilename . '.txt',
'type' => 'text/plain',
Expand All @@ -227,7 +225,6 @@ public function testAlreadyMoved()
$this->assertTrue($collection->hasFile('userfile1'));

$destination = $this->destination;

// Create the destination if not exists
if (! is_dir($destination)) {
mkdir($destination, 0777, true);
Expand All @@ -254,15 +251,15 @@ public function testInvalidFile()
];

$destination = $this->destination;

$collection = new FileCollection();
$file = $collection->getFile('userfile');
$collection = new FileCollection();

$this->expectException(HTTPException::class);

$file = $collection->getFile('userfile');
$file->move($destination, $file->getName(), false);
}

public function testFailedMove()
public function testFailedMoveBecauseOfWarning()
{
$_FILES = [
'userfile' => [
Expand All @@ -275,16 +272,47 @@ public function testFailedMove()
];

$destination = $this->destination;

// Create the destination and make it read only
if (! is_dir($destination)) {
mkdir($destination, 0400, true);
}

$collection = new FileCollection();
$file = $collection->getFile('userfile');

$this->expectException(HTTPException::class);

$file = $collection->getFile('userfile');
$file->move($destination, $file->getName(), false);
}

public function testFailedMoveBecauseOfFalseReturned()
{
$_FILES = [
'userfile1' => [
'name' => 'fileA.txt',
'type' => 'text/plain',
'size' => 124,
'tmp_name' => '/tmp/fileA.txt',
'error' => 0,
],
];

$collection = new FileCollection();

$this->assertTrue($collection->hasFile('userfile1'));

$destination = $this->destination;
// Create the destination if not exists
if (! is_dir($destination)) {
mkdir($destination, 0777, true);
}
// Set the mock's return value to false
move_uploaded_file('', '', false);

$this->expectException(HTTPException::class);
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$this->expectExceptionMessage('move_uploaded_file() returned false');

$file = $collection->getFile('userfile1');
$file->move($destination, $file->getName(), false);
}
}
Expand All @@ -311,10 +339,20 @@ function is_uploaded_file($filename)
* This overwrite is for testing the move operation.
*/

function move_uploaded_file($filename, $destination)
function move_uploaded_file($filename, $destination, ?bool $setReturnValue = null)
{
static $return = true;

if ($setReturnValue !== null) {
$return = $setReturnValue;

return true;
}

copy($filename, $destination);
unlink($filename);

return $return;
}

function rrmdir($src)
Expand Down