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[-] BO : #PSCFV-2716 : Fix memory limit when upload image file

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This commit is contained in:
lLefevre
2012-06-07 12:12:41 +00:00
parent ef8a2b6a43
commit c70a501211
4 changed files with 42 additions and 11 deletions
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classes/ImageManager.php
+29 -10
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@@ -51,16 +51,9 @@ class ImageManagerCore
{
$infos = getimagesize($image);
$memory_limit = Tools::getMemoryLimit();
// memory_limit == -1 => unlimited memory
if (function_exists('memory_get_usage') && (int)$memory_limit != -1)
{
$current_memory = memory_get_usage();
// Evaluate the memory required to resize the image: if it's too much, you can't resize it.
if (($infos[0] * $infos[1] * $infos['bits'] * (isset($infos['channels']) ? ($infos['channels'] / 8) : 1) + pow(2, 16)) * 1.8 + $current_memory > $memory_limit - 1024 * 1024)
return false;
}
// Evaluate the memory required to resize the image: if it's too much, you can't resize it.
if (!ImageManager::checkImageMemoryLimit($image))
return false;
$x = $infos[0];
$y = $infos[1];
@@ -85,6 +78,32 @@ class ImageManagerCore
return '<img src="'._PS_TMP_IMG_.$cache_image.(!$disable_cache ? '?time='.time() : '').'" alt="" class="imgm" />';
}
/**
* Check if memory limit is too long or not
*
* @static
* @param $image
* @return bool
*/
public static function checkImageMemoryLimit($image)
{
$infos = getimagesize($image);
$memory_limit = Tools::getMemoryLimit();
// memory_limit == -1 => unlimited memory
if (function_exists('memory_get_usage') && (int)$memory_limit != -1)
{
$current_memory = memory_get_usage();
$channel = isset($infos['channels']) ? ($infos['channels'] / 8) : 1;
// Evaluate the memory required to resize the image: if it's too much, you can't resize it.
if (($infos[0] * $infos[1] * $infos['bits'] * $channel + pow(2, 16)) * 1.8 + $current_memory > $memory_limit - 1024 * 1024)
return false;
}
return true;
}
/**
* Resize, cut and optimize image
*