5 files changed, 43 insertions, 2 deletions

diff --git a/phpBB/includes/acp/acp_attachments.php b/phpBB/includes/acp/acp_attachments.php
index 56d99adb87..36522b9829 100644
--- a/phpBB/includes/acp/acp_attachments.php
+++ b/phpBB/includes/acp/acp_attachments.php
@@ -168,6 +168,8 @@ class acp_attachments
 						'img_max_thumb_width'		=> array('lang' => 'MAX_THUMB_WIDTH',		'validate' => 'int:0:999999999999999',	'type' => 'number:0:999999999999999', 'explain' => true, 'append' => ' ' . $user->lang['PIXEL']),
 						'img_min_thumb_filesize'	=> array('lang' => 'MIN_THUMB_FILESIZE',	'validate' => 'int:0:999999999999999',	'type' => 'number:0:999999999999999', 'explain' => true, 'append' => ' ' . $user->lang['BYTES']),
 						'img_max'					=> array('lang' => 'MAX_IMAGE_SIZE',		'validate' => 'int:0:9999',	'type' => 'dimension:0:9999', 'explain' => true, 'append' => ' ' . $user->lang['PIXEL']),
+						'img_strip_metadata'		=> array('lang' => 'IMAGE_STRIP_METADATA',	'validate' => 'bool',	'type' => 'radio:yes_no', 'explain' => true),
+						'img_quality'				=> array('lang' => 'IMAGE_QUALITY',			'validate' => 'int:50:90',	'type' => 'number:50:90', 'explain' => true, 'append' => ' %'),
 						'img_link'					=> array('lang' => 'IMAGE_LINK_SIZE',		'validate' => 'int:0:9999',	'type' => 'dimension:0:9999', 'explain' => true, 'append' => ' ' . $user->lang['PIXEL']),
 					)
 				);
diff --git a/phpBB/install/schemas/schema_data.sql b/phpBB/install/schemas/schema_data.sql
index 5441accc43..655c379fca 100644
--- a/phpBB/install/schemas/schema_data.sql
+++ b/phpBB/install/schemas/schema_data.sql
@@ -154,6 +154,8 @@ INSERT INTO phpbb_config (config_name, config_value) VALUES ('img_max_height', '
 INSERT INTO phpbb_config (config_name, config_value) VALUES ('img_max_thumb_width', '400');
 INSERT INTO phpbb_config (config_name, config_value) VALUES ('img_max_width', '0');
 INSERT INTO phpbb_config (config_name, config_value) VALUES ('img_min_thumb_filesize', '12000');
+INSERT INTO phpbb_config (config_name, config_value) VALUES ('img_quality', '85');
+INSERT INTO phpbb_config (config_name, config_value) VALUES ('img_strip_metadata', '0');
 INSERT INTO phpbb_config (config_name, config_value) VALUES ('ip_check', '3');
 INSERT INTO phpbb_config (config_name, config_value) VALUES ('ip_login_limit_max', '50');
 INSERT INTO phpbb_config (config_name, config_value) VALUES ('ip_login_limit_time', '21600');
diff --git a/phpBB/language/en/acp/attachments.php b/phpBB/language/en/acp/attachments.php
index 67454f8b76..6699b00b70 100644
--- a/phpBB/language/en/acp/attachments.php
+++ b/phpBB/language/en/acp/attachments.php
@@ -109,6 +109,10 @@ $lang = array_merge($lang, array(
 
 	'IMAGE_LINK_SIZE'			=> 'Image link dimensions',
 	'IMAGE_LINK_SIZE_EXPLAIN'	=> 'Display image attachment as an inline text link if image is larger than this. To disable this behaviour, set the values to 0px by 0px.',
+	'IMAGE_QUALITY'				=> 'Quality of uploaded image attachments (JPEG only)',
+	'IMAGE_QUALITY_EXPLAIN'		=> 'Specify value between 50% (smaller file size) and 90% (higher quality). Quality higher than 90% increases filesize and is disabled. Setting only applies if maximum image dimensions are set to a value other than 0px by 0px.',
+	'IMAGE_STRIP_METADATA'		=> 'Strip image metadata (JPEG only)',
+	'IMAGE_STRIP_METADATA_EXPLAIN'	=> 'Strip Exif metadata, e.g. author name, GPS coordinates and camera details. Setting only applies if maximum image dimensions are set to a value other than 0px by 0px.',
 
 	'MAX_ATTACHMENTS'				=> 'Maximum number of attachments per post',
 	'MAX_ATTACHMENTS_PM'			=> 'Maximum number of attachments per private message',
diff --git a/phpBB/phpbb/db/migration/data/v32x/add_plupload_config.php b/phpBB/phpbb/db/migration/data/v32x/add_plupload_config.php
new file mode 100644
index 0000000000..d708155807
--- /dev/null
+++ b/phpBB/phpbb/db/migration/data/v32x/add_plupload_config.php
@@ -0,0 +1,30 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\db\migration\data\v32x;
+
+class add_plupload_config extends \phpbb\db\migration\migration
+{
+	static public function depends_on()
+	{
+		return ['\phpbb\db\migration\data\v32x\v329'];
+	}
+
+	public function update_data()
+	{
+		return [
+			['config.add', ['img_quality', '85']],
+			['config.add', ['img_strip_metadata', '0']],
+		];
+	}
+}
diff --git a/phpBB/phpbb/plupload/plupload.php b/phpBB/phpbb/plupload/plupload.php
index 80d7e914db..a94fbb7617 100644
--- a/phpBB/phpbb/plupload/plupload.php
+++ b/phpBB/phpbb/plupload/plupload.php
@@ -263,10 +263,13 @@ class plupload
 		$resize = '';
 		if ($this->config['img_max_height'] > 0 && $this->config['img_max_width'] > 0)
 		{
+			$preserve_headers_value = $this->config['img_strip_metadata'] ? 'false' : 'true';
 			$resize = sprintf(
-				'resize: {width: %d, height: %d, quality: 85},',
+				'resize: {width: %d, height: %d, quality: %d, preserve_headers: %s},',
 				(int) $this->config['img_max_width'],
-				(int) $this->config['img_max_height']
+				(int) $this->config['img_max_height'],
+				(int) $this->config['img_quality'],
+				$preserve_headers_value
 			);
 		}