/**
* Does a file support UnserializePHPPowerPoint ?
*
* @param string $pFilename
* @throws \Exception
* @return boolean
*/
public function fileSupportsUnserializePHPPowerPoint($pFilename = '')
{
// Check if file exists
if (!file_exists($pFilename)) {
throw new \Exception("Could not open " . $pFilename . " for reading! File does not exist.");
}
// File exists, does it contain PHPPowerPoint.xml?
return File::fileExists("zip://{$pFilename}#PHPPowerPoint.xml");
}
/**
*/
public function testFileExists()
{
$pathResources = PHPPOWERPOINT_TESTS_BASE_DIR . DIRECTORY_SEPARATOR . 'resources' . DIRECTORY_SEPARATOR;
$this->assertTrue(File::fileExists($pathResources . 'images' . DIRECTORY_SEPARATOR . 'PHPPowerPointLogo.png'));
$this->assertFalse(File::fileExists($pathResources . 'images' . DIRECTORY_SEPARATOR . 'PHPPowerPointLogo_404.png'));
$this->assertTrue(File::fileExists('zip://' . $pathResources . 'files' . DIRECTORY_SEPARATOR . 'Sample_01_Simple.pptx#[Content_Types].xml'));
$this->assertFalse(File::fileExists('zip://' . $pathResources . 'files' . DIRECTORY_SEPARATOR . 'Sample_01_Simple.pptx#404.xml'));
$this->assertFalse(File::fileExists('zip://' . $pathResources . 'files' . DIRECTORY_SEPARATOR . '404.pptx#404.xml'));
}
/**
* Get image mime type
*
* @param string $pFile Filename
* @return string Mime Type
* @throws \Exception
*/
private function getImageMimeType($pFile = '')
{
if (File::fileExists($pFile)) {
if (strpos($pFile, 'zip://') === 0) {
$pZIPFile = str_replace('zip://', '', $pFile);
$pZIPFile = substr($pZIPFile, 0, strpos($pZIPFile, '#'));
$pImgFile = substr($pFile, strpos($pFile, '#') + 1);
$oArchive = new \ZipArchive();
$oArchive->open($pZIPFile);
$image = getimagesizefromstring($oArchive->getFromName($pImgFile));
} else {
$image = getimagesize($pFile);
}
return image_type_to_mime_type($image[2]);
} else {
throw new \Exception("File {$pFile} does not exist");
}
}
