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Fixes issue #475, reduce reprocessed jpeg image file size by defaulting image quality to 85% #2629

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merged 5 commits into from
Oct 5, 2022
Merged

Fixes issue #475, reduce reprocessed jpeg image file size by defaulting image quality to 85% #2629

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eff61f9
Fixed issue #475.
kiatng Sep 30, 2022
2df1069
Removed <frontend_type>text</frontend_type> as it is the default.
kiatng Sep 30, 2022
12071f7
Fixed bug on users not able to modify image quality in backend if dep…
kiatng Oct 1, 2022
e795d54
Fixed bug on incorrect check if image quality was not set in backend.
kiatng Oct 1, 2022
25dd956
Improved note in system.xml.
kiatng Oct 5, 2022
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13 changes: 9 additions & 4 deletions app/code/core/Mage/Core/Model/File/Validator/Image.php
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Original file line number Diff line number Diff line change
Expand Up @@ -74,7 +74,7 @@ public function setAllowedImageTypes(array $imageFileExtensions = [])
}

/**
* Validation callback for checking is file is image
* Validation callback for checking if file is image
*
* @param string $filePath Path to temporary uploaded file
* @return null
Expand All @@ -85,8 +85,13 @@ public function validate($filePath)
list($imageWidth, $imageHeight, $fileType) = getimagesize($filePath);
if ($fileType) {
if ($this->isImageType($fileType)) {
/** if 'general/reprocess_images/active' false then skip image reprocessing. */
if (!Mage::getStoreConfigFlag('general/reprocess_images/active')) {
/** Check deprecated 'general/reprocess_images/active' for BC. If false then skip image reprocessing. */
if (Mage::getStoreConfig('general/reprocess_images/active') !== null) {
$imageQuality = Mage::getStoreConfigFlag('general/reprocess_images/active') ? 100 : 0;
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} else {
$imageQuality = (int) Mage::getStoreConfig('admin/security/reprocess_image_quality');
}
if ($imageQuality === 0) {
return null;
}
//replace tmp image with re-sampled copy to exclude images with malicious data
Expand Down Expand Up @@ -116,7 +121,7 @@ public function validate($filePath)
imagegif($img, $filePath);
break;
case IMAGETYPE_JPEG:
imagejpeg($img, $filePath, 100);
imagejpeg($img, $filePath, $imageQuality);
break;
case IMAGETYPE_PNG:
imagepng($img, $filePath);
Expand Down
5 changes: 1 addition & 4 deletions app/code/core/Mage/Core/etc/config.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -440,6 +440,7 @@
<extensions_compatibility_mode>1</extensions_compatibility_mode>
<session_cookie_lifetime>10800</session_cookie_lifetime>
<secure_system_configuration_save_disabled>0</secure_system_configuration_save_disabled>
<reprocess_image_quality>85</reprocess_image_quality>
</security>
</admin>
<general>
Expand Down Expand Up @@ -497,10 +498,6 @@
</protected>
</public_files_valid_paths>
</file>
<!-- NOTE: If you turn off images reprocessing, then your upload images process may cause security risks. -->
<reprocess_images>
<active>1</active>
</reprocess_images>
<!-- Additional email for notifications -->
<additional_notification_emails>
<!-- On creating a new admin user. You can specify several emails separated by commas. -->
Expand Down
9 changes: 9 additions & 0 deletions app/code/core/Mage/Core/etc/system.xml
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Expand Up @@ -1280,6 +1280,15 @@
<show_in_website>0</show_in_website>
<show_in_store>0</show_in_store>
</crate_admin_user_notification>
<reprocess_image_quality translate="label comment">
<label>Image Reprocess Quality</label>
<comment>Optimum value is 85, higher value will increase file size. Set to 0 to turn off images reprocessing, which may cause security risks.</comment>
<validate>required-entry validate-digits validate-digits-range digits-range-0-100</validate>
<sort_order>180</sort_order>
<show_in_default>1</show_in_default>
<show_in_website>1</show_in_website>
<show_in_store>1</show_in_store>
</reprocess_image_quality>
</fields>
</security>
<dashboard translate="label">
Expand Down
2 changes: 2 additions & 0 deletions app/locale/en_US/Mage_Core.csv
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Original file line number Diff line number Diff line change
Expand Up @@ -167,6 +167,7 @@
"How many links to display at once.","How many links to display at once."
"ID Path for Specified Store","ID Path for Specified Store"
"If the current frame position does not cover utmost pages, will render link to current position plus/minus this value.","If the current frame position does not cover utmost pages, will render link to current position plus/minus this value."
"Image Reprocess Quality","Image Reprocess Quality"
"Incorrect credit card expiration date.","Incorrect credit card expiration date."
"Input type ""%value%"" not found in the input types list.","Input type ""%value%"" not found in the input types list."
"Invalid MIME type.","Invalid MIME type."
Expand Down Expand Up @@ -226,6 +227,7 @@
"New Website","New Website"
"No","No"
"Offloader header","Offloader header"
"Optimum value is 85, higher value will increase file size. Set to 0 to turn off images reprocessing, which may cause security risks.","Optimum value is 85, higher value will increase file size. Set to 0 to turn off images reprocessing, which may cause security risks."
"PHP SOAP extension is required.","PHP SOAP extension is required."
"Package","Package"
"Pagination","Pagination"
Expand Down