README

Contributors: wpengine, deliciousbrains, ianmjones, eriktorsner, kevinwhoffman, tysonreeder, dalewilliams, lewisia32, mattshaw, aaemnnosttv, a5hleyrich, polevaultweb, bradt, joetan
Tags: uploads, amazon, s3, amazon s3, digitalocean, digitalocean spaces, google cloud storage, gcs, mirror, admin, media, cdn, cloudfront
Requires at least: 5.5
Tested up to: 6.7
Requires PHP: 7.2
Stable tag: 3.2.10
License: GPLv3

Copies files to Amazon S3, DigitalOcean Spaces or Google Cloud Storage as they are uploaded to the Media Library. Optionally configure Amazon CloudFront or another CDN for faster delivery.

Description

FORMERLY WP OFFLOAD S3 LITE

https://www.youtube.com/watch?v=I-wTMXMeFu4

This plugin automatically copies images, videos, documents, and any other media added through WordPress' media uploader to Amazon S3, DigitalOcean Spaces or Google Cloud Storage. It then automatically replaces the URL to each media file with their respective Amazon S3, DigitalOcean Spaces or Google Cloud Storage URL or, if you have configured Amazon CloudFront or another CDN with or without a custom domain, that URL instead. Image thumbnails are also copied to the bucket and delivered through the correct remote URL.

Uploading files directly to your Amazon S3, DigitalOcean Spaces or Google Cloud Storage account is not currently supported by this plugin. They are uploaded to your server first, then copied to the bucket. There is an option to automatically remove the files from your server once they are copied to the bucket however.

If you're adding this plugin to a site that's been around for a while, your existing media files will not be copied to or served from Amazon S3, DigitalOcean Spaces or Google Cloud Storage. Only newly uploaded files will be copied to and served from the bucket. The pro upgrade has an upload tool to handle existing media files.

Image Optimization

Although WP Offload Media doesn't include image optimization features, we work closely with the author of EWWW Image Optimizer to ensure they always work well together. Not only do we recommend EWWW Image Optimizer but we officially support its integration with WP Offload Media.

PRO Upgrade with Email Support and More Features

Upload existing Media Library to Amazon S3, DigitalOcean Spaces or Google Cloud Storage
Control offloaded files from the Media Library
Assets Pull addon - Serve your CSS, JS and fonts via CloudFront or another CDN
WooCommerce integration
Easy Digital Downloads integration
Priority email support

Compare pro vs free →

The video below runs through the pro upgrade features...

https://www.youtube.com/watch?v=I-wTMXMeFu4

Installation

Install this plugin using WordPress' built-in installer
Access the Offload Media option under Settings
Follow the instructions to set up your AWS or DigitalOcean access keys and configure

Check out the Quick Start Guide for more information on configuring WP Offload Media.

Frequently Asked Questions

What are the minimum requirements?

You can see the minimum requirements here.

Do you offer email support?

If you upgrade to the pro version of WP Offload Media, we will gladly provide you with email support. We take pride in delivering exceptional customer support. We do not provide email support for the free version.

Screenshots

1. Select Cloud Storage Provider

2. Select or Create Bucket

3. Settings Screen

4. Custom Domain Used With CDN

Upgrade Notice

2.6

This is a major upgrade that updates the format of information stored about offloaded Media Library items. Once upgraded you will not be able to downgrade without restoring data from a backup. This version requires PHP 5.6+

2.3

This is a major upgrade that switches to using a custom table for storing data about offloaded Media Library items. Once upgraded you will not be able to downgrade without restoring data from a backup.

2.0

This is a major upgrade that introduces support for DigitalOcean Spaces, renames the plugin to WP Offload Media Lite, and coincidentally upgrades some of its database settings. You may not be able to downgrade to WP Offload S3 Lite 1.x after upgrading to WP Offload Media Lite 2.0+.

1.1

This is a major change, which ensures S3 URLs are no longer saved in post content. Instead, local URLs are filtered on page generation and replaced with the S3 version. If you depend on the S3 URLs being stored in post content you will need to make modifications to support this version.

0.6

This version requires PHP 5.3.3+ and the Amazon Web Services plugin

Changelog

WP Offload Media Lite 3.2.10 - 2024-12-12

New: DigitalOcean regions Toronto (TOR1) and London (LON1) are now selectable
New: Google Cloud Storage regions Africa (Johannesburg), Dual-Region (Belgium/London), Dual-Region (London/Frankfurt) and Dual-Region (Frankfurt/Zürich) are now selectable
New: Google Cloud Storage SDK has been updated to v1.39.0 (requires PHP 7.4+)
Bug fix: Speed of adding new media is no longer affected by the number of records in the postmeta table

WP Offload Media Lite 3.2.9 - 2024-10-04

Security: The plugin now uses its own update mechanism from WP Engine servers
New: Amazon S3 region Asia Pacific (Malaysia) is now selectable
New: AWS PHP SDK has been updated to v3.319.4
New: PHP and JS dependencies have been updated

WP Offload Media Lite 3.2.8 - 2024-07-11

Delivery status indicator is now more accurate when Amazon S3 Object Ownership is configured in combination with a delivery provider other than Amazon CloudFront
Corrupt _wp_attachment_metadata no longer causes a fatal error when offloading media

WP Offload Media Lite 3.2.7 - 2024-02-13

New: Amazon S3 regions Canada West (Calgary), Asia Pacific (Melbourne) and Israel (Tel Aviv) are now selectable
New: DigitalOcean region Bangalore (BLR1) is now selectable
New: Google Cloud Storage regions Europe (Berlin), Europe (Turin), Middle East (Doha) and Middle East (Dammam, Saudi Arabia) are now selectable
Improvement: The as3cf_object_meta filter now also runs during storage settings validation
Bug fix: Private media URLs now work as expected in audio and video shortcodes
Bug fix: Performance improved for ACF image fields when filesize metadata is missing for offloaded and removed files
Bug fix: URLs for offloaded media in ACF URL and link fields are now properly rewritten
Bug fix: Media library files with apostrophes in their filenames no longer cause database errors
Bug fix: URL rewriting no longer breaks slashed serialized data with NULL values
Bug fix: URL rewriting on a dev site now works without a bucket being set

WP Offload Media Lite 3.2.6 - 2024-01-11

New: WordPress 6.4 compatible
New: AWS PHP SDK has been updated to v3.295.8
Improvement: Delivery settings check request headers updated to avoid provider's erroneous hot-link protection
Bug fix: Corrupted amazonS3_cache records no longer cause a fatal error
Bug fix: Safety improved when handling serialized content

WP Offload Media Lite 3.2.5 - 2023-08-24

New: WordPress 6.3 compatible
New: PHP 8.2 compatible
New: AWS PHP SDK has been updated to v3.279.0
New: Google Cloud Storage SDK has been updated to v1.33.0 (requires PHP 7.4+)
New: Links to plugin documentation, support, feedback, and changelog are now available in the footer of WP Admin
Bug fix: Delivery settings check no longer logs false message about not being able to remove test object from bucket
Bug fix: Delivery settings check no longer logs a "Could not get Block All Public Access status" message when using DigitalOcean Spaces

WP Offload Media Lite 3.2.4 - 2023-06-26

Bug fix: Newly added rotated images no longer fail to automatically offload

WP Offload Media Lite 3.2.3 - 2023-06-13

Bug fix: Broken legacy amazonS3_info metadata no longer causes upgrade routines to fail

WP Offload Media Lite 3.2.2 - 2023-05-16

Security: Updated AWS SDK and Google Cloud SDK to address a vulnerability in guzzlehttp/psr7 as reported in CVE-2023-29197

WP Offload Media Lite 3.2.1 - 2023-03-27

Bug fix: Saving settings no longer prevented when access credentials are missing but bucket is set
Bug fix: Changing delivery provider no longer prevented when delivery settings are incomplete

WP Offload Media Lite 3.2.0 - 2023-03-16

Release Summary Blog Post
New: Offload status can be seen in the navigation bar
New: Diagnostic Info now includes media counts by item type
New: Validation status for storage and delivery providers displayed on Media tab
New: WordPress 6.2 compatible
Improvement: Amazon S3 buckets are now created in a way compatible with AWS API changes due in April 2023
Bug fix: Confirming set up of an Origin Access Identity for Object Ownership Enforcement in Bucket Security now works as expected
Bug fix: Using an invalid storage provider identifier in defined settings no longer causes a fatal error
Bug fix: Cropping offloaded images in the standard image block no longer fails
Bug fix: Using Server Roles no longer needs a define in wp-config.php
Bug fix: SVGs now automatically offload when added to the Media Library
Bug fix: Legacy defines no longer show as keys used in the AS3CF_SETTINGS define

WP Offload Media Lite 3.1.0 - 2022-12-07

Release Summary Blog Post
New: PHP 8.1 compatibility is now improved
New: Amazon S3 regions Asia Pacific (Hyderabad), EU (Spain), EU (Zurich) and Middle East (UAE) are now selectable
New: Google Cloud Storage regions Middle East (Tel Aviv) and Dual-Region (Asia) are now selectable
New: DigitalOcean region Sydney (SYD1) is now selectable
New: AWS PHP SDK has been updated to v3.238.6
New: Google Cloud Storage SDK has been updated to v1.28.1
Improvement: Storage Provider regions are now listed alphabetically
Improvement: Google Cloud Storage regions are now grouped by geographic area
Bug fix: Pathless external URLs entered in a post no longer cause an error when saved
Bug fix: Media upload time no longer degrades as the Media Library grows
Bug fix: Periodic updates of media offload statistics no longer time out in large multisite installs
Bug fix: The clear post meta cache upgrade routine now works properly on multisite subsites
Bug fix: Completed upgrade routines no longer create redundant cron schedule entries
Bug fix: Upgrade routines no longer try to run on non-primary subsites
Bug fix: Custom table format upgrades no longer run unnecessarily
Bug fix: Settings REST API endpoints are no longer enabled if unusable
Bug fix: Only offloaded items with valid attachment IDs are retrieved from external cache
Bug fix: Legacy bucket names that include uppercase letters or underscores can now be selected
Bug fix: Offloading already-edited files no longer causes issues with filename uniqueness checks

WP Offload Media Lite 3.0.2 - 2022-10-05

Bug fix: ACF integration no longer breaks sites using closures in ACF field config (edge case)
Bug fix: The Offload metabox for attachments no longer has issues for some browser and screen resolution combinations

WP Offload Media Lite 3.0.0 - 2022-09-29

Release Summary Blog Post
New: Fresh new settings page UI! 🎉
New: Advanced Custom Fields Lite & Pro now supported
New: Authenticated WP-REST-API endpoints added for managing settings
New: Amazon S3 Object Ownership controls are now supported
New: Added Asia Pacific (Jakarta) Amazon S3 region
New: Added Columbus, Dallas, Toronto, Santiago, Warsaw, Milan, Paris, Madrid, Delhi, Jakarta and Melbourne Google Cloud Storage regions
New: AWS PHP SDK updated to v3.222.1
New: Google Cloud Storage SDK updated to v1.26.3
New: PHP 7.2 or later required
New: WordPress 6.1 compatible
Improvement: Settings changes by another user or in wp-config.php are detected and reflected in UI
Improvement: A page refresh is requested if settings changes by another user conflict with unsaved changes
Improvement: Important error notices on the settings page are less easy to miss when displayed
Improvement: The Custom Domain (CNAME) can no longer be left empty if enabled
Improvement: The format of the entered Custom Domain (CNAME) for a CDN is now validated before being able to save settings
Improvement: It is no longer possible to mistake the example URL preview for an offloaded media item
Improvement: The relationship between settings and the example URL preview is now easier to understand
Improvement: Some common AWS S3 errors are caught and shown with easier to understand messages
Improvement: Media settings can now be used even if previously defined Storage Provider credentials have been removed but bucket still set (useful for development or test installs cloned from large production sites)
Bug fix: Saving posts with serialized data in post_content that include offloaded URLs now have correct string length values
Bug fix: EC2 hosted sites using IAM Roles no longer get an error when retrieving credentials from the instance profile metadata service in some instances
Bug fix: URLs are no longer rewritten for media offloaded to a different storage provider than currently configured
Bug fix: Creating a bucket on DigitalOcean Spaces no longer fails with 403 Forbidden error
Bug fix: Rewrite Media URLs can now be turned off for installs updated from pre WP Offload S3 1.0
Bug fix: Legacy AWS access key defines no longer cause issues with upgrade routines
Bug fix: Getting Block All Public Access status no longer fails for recently created buckets
Bug fix: Block All Public Access warning notice no longer shows even though CloudFront set up
Bug fix: Images with non-numeric width or height values no longer cause fatal errors

WP Offload Media Lite 2.6.2 - 2022-04-04

Bug fix: Upgrade routine no longer risks breaking items when external object cache is in use

WP Offload Media Lite 2.6.1 - 2022-03-21

Bug fix: Local files are no longer removed if as3cf_pre_upload_attachment filter is used to abort upload

WP Offload Media Lite 2.6 - 2022-03-09

Release Summary Blog Post
New: WP Offload Media is now compatible with WordPress 5.9 and Full Site Editing
Improvement: Offloaded thumbnail sizes are now tracked for better handling of changes to registered sizes
Improvement: Offloads and other storage provider actions are faster
Bug fix: URL rewriting now works in the Full Site Editor
Bug fix: Offloaded images are now shown when re-editing a Block Template or Template Part
Bug fix: URL rewriting now works for Widgets migrated to a Widget Sidebar Block
Bug fix: Objects are no longer left in the bucket when deleting a Media Library item with many changes to its thumbnail sizes

WP Offload Media Lite 2.5.5 - 2021-07-19

Bug fix: Signed GCS URLs broken when updating a post
Bug fix: Incorrect mime type set on scaled image's bucket object when thumbnail format differs from original file's format
Tested: WordPress 5.8

WP Offload Media Lite 2.5.3 - 2021-03-03

New: Added DigitalOcean region San Francisco 3
Bug fix: Domain mapping not handled correctly when the local URL includes a port number
Bug fix: In some unusual configurations the upgrade routine uses incorrect name for multisite blogs table
Tested: WordPress 5.7

WP Offload Media Lite 2.5.2 - 2020-12-14

New: AWS PHP SDK 3.168.0
New: Google Cloud Storage SDK 1.23.0
Improvement: Faster saving of posts with many external links
Improvement: Faster URL rewriting when Force HTTPS setting is being used but is not needed
Bug fix: PHP Fatal error on the settings page when using PHP 8.0

WP Offload Media Lite 2.5.1 - 2020-11-25

New: WordPress 5.6 compatible
New: PHP 8.0 compatible
Bug fix: Unexpectedly asked to select bucket after saving settings when legacy access key named constants defined
Bug fix: srcset missing for some images
Bug fix: Error saving item during Metadata upgrade in some cases

WP Offload Media Lite 2.5 - 2020-11-11

Release Summary Blog Post
Improvement: Error notice shown when plugin's required custom table(s) missing
Improvement: Diagnostic Info shows status of plugin's required custom tables
Bug fix: wp_get_original_image_path function does not return provider URL when local files removed
Bug fix: File missing notices recorded in debug.log when regenerating thumbnails and Remove Files From Server turned on

WP Offload Media Lite 2.4.4 - 2020-09-08

Improvement: Updated AWS PHP SDK to v3.151.6
Bug fix: Files for duplicate thumbnail sizes not removed from server after initial offload
Bug fix: PHP Fatal error: Class 'DeliciousBrains\WP_Offload_Media\Aws3\Symfony\Polyfill\Intl\Idn\Idn' not found
Bug fix: PHP Recoverable fatal error: Object of class WP_Error could not be converted to string in .../wp-includes/post.php on line 504
Bug fix: PHP message: PHP Warning: is_readable(): open_basedir restriction in effect
Bug fix: URLs not rewritten for RSS feed enclosures

WP Offload Media Lite 2.4.3 - 2020-09-01

Improvement: Updated AWS PHP SDK to v3.151.3
Bug fix: PHP Fatal error: Class 'DeliciousBrains\WP_Offload_Media\Aws3\Symfony\Polyfill\Intl\Idn\Idn' not found

WP Offload Media Lite 2.4.2 - 2020-08-27

Improvement: Updated AWS PHP SDK to v3.150.1
Bug fix: Image thumbnail URLs in custom HTML not rewritten to delivery provider URLs
Bug fix: Background processes do not start when PHP memory limit in gigabytes
Bug fix: PHP Fatal error: require(): Failed opening required '.../vendor/Aws3/Aws/Sts/StsClient.php'
Bug fix: AWS SDK "Warning: is_readable(): open_basedir restriction in effect" message from Regional Endpoint check
Bug fix: Bottom and right button borders in settings page are clipped when focused

WP Offload Media Lite 2.4.1 - 2020-07-21

Bug fix: Fatal Error with EWWW Image Optimizer 5.5 or earlier installed
Bug fix: AWS SDK "Warning: is_readable(): open_basedir restriction in effect" message when Use ARN Region in effect
Bug fix: "Data you have entered may not be saved" notice shown incorrectly when leaving settings page

WP Offload Media Lite 2.4 - 2020-07-14

Release Summary Blog Post
New: Setting to choose a Delivery Provider (i.e. S3, CloudFront, another CDN)
New: Support for Block All Public Access setting on S3 buckets
New: Raw S3 URLs use bucket in domain rather than path where possible as per changes required by AWS
New: Raw S3 URLs use dot rather than dash between s3 and region name as per changes required by AWS
New: Added S3 regions for Africa (Cape Town), Asia Pacific (Hong Kong), EU (Milan), EU (Stockholm), and Middle East (Bahrain)
New: Added GCS regions for Salt Lake City, Las Vegas, Zürich, Osaka, Seoul, EUR4 (dual-region), and NAM4 (dual-region)
Improvement: Updated AWS PHP SDK to v3.133.40
Improvement: Updated Google Cloud Storage SDK to v1.18.0
Improvement: S3 regions for China no longer hidden (configuration via AWS Console still required)
Bug fix: Private images not showing in grid mode Media page overlay
Bug fix: Public image thumbnails not showing in grid mode Media page when original is private
Bug fix: URL rewriting sometimes fails for sites hosted on Windows
Bug fix: URL rewrite fails for image when original upload has size in file name
Bug fix: External URLs rewritten to local URLs when they shouldn't
Bug fix: StreamWrappers don't work with private buckets
Bug fix: Database error when inserting media library item and using HyperDB
Bug fix: S3 bucket link in settings no longer goes direct to bucket contents
Bug fix: New uploads slow with very large Media Library
Bug fix: Migration to custom table very slow with large postmeta tables
Bug fix: Signed GCS URLs have incorrect expires value
Bug fix: The use-server-roles AS3CF_SETTINGS value is not properly reflected in Diagnostic Info
Bug fix: Unknown column '2019/12/some-file-name.pdf' in 'where clause' when using managed MySQL on DigitalOcean
Bug fix: WordPress database error Expression #1 of ORDER BY clause is not in SELECT list when using MySQL8
Bug fix: WordPress forces HTTP in Edit Media page if site is not HTTPS, breaking remote URLs that require HTTPS
Tested: WordPress 5.5

WP Offload Media Lite 2.3.2 - 2019-12-09

Improvement: Reduced database queries when external object cache available
Bug fix: Uncaught Error: Call to undefined function DeliciousBrains\WP_Offload_Media\Gcp\GuzzleHttp\choose_handler()
Bug fix: SVG files not automatically offloaded
Tested: PHP 7.4

WP Offload Media Lite 2.3.1 - 2019-11-19

Bug fix: Uncaught Error: Cannot use object of type Media_Library_Item as array in wp-includes/media.php:217
Bug fix: Image not automatically offloaded if subsizes not expected

WP Offload Media Lite 2.3 - 2019-11-12

Release Summary Blog Post
New: Upgrade routine to migrate offload data to custom table
New: Support for changed Media Library upload process introduced with WordPress 5.3
New: Support for new "-scaled" and "-rotated" images introduced with WordPress 5.3
New: Support for customizer changes introduced with WordPress 5.3
New: Offload new "original_image" file introduced with WordPress 5.3
Improvement: Performance boost during both page display and save
Improvement: Better detection of offloaded media URLs during page display
Bug fix: New Media Library upload given same local file name as offloaded and removed file after Remove Files From Server turned off
Bug fix: PHP message: PHP Deprecated: strpos(): Non-string needles will be interpreted as strings in the future

WP Offload Media Lite 2.2.1 - 2019-07-18

Improvement: Menu option and settings page title now include "Lite"
Improvement: Remove Files From Server option now warns about media backups when switched on
Bug fix: Undefined index in file amazon-s3-and-cloudfront/classes/filters/as3cf-local-to-s3.php at line 286

WP Offload Media Lite 2.2 - 2019-06-10

Release Summary Blog Post
New: Use IAM Roles without having to update wp-config.php
New: Frankfurt (FRA1) region now supported on DigitalOcean Spaces
Improvement: WP dashboard performance
Bug fix: Uploaded media files with uppercase extensions get second extension added

WP Offload Media Lite 2.1.1 - 2019-04-29

New: Multisite domain mapping via WordPress MU Domain Mapping plugin is now supported
Improvement: Local to Provider content filtering performance improvements
Improvement: Warning notice shown when changing storage provider and media already offloaded
Bug fix: Media title not retaining characters stripped from filename
Bug fix: Warning: is_readable(): open_basedir restriction in effect. File(~/.aws/config) is not within the allowed path(s)
Bug fix: Fatal error when GCS Key File not accessible
Bug fix: Non-image offloads on subsites with 4 digit IDs get duplicate subsite ID in bucket path
Bug fix: No srcset added to img tag if filename includes non-ASCII characters
Bug fix: Full size image URL saved to img tag src attribute when thumbnail picked if filename includes non-ASCII characters

WP Offload Media Lite 2.1 - 2019-03-05

Release Summary Blog Post
New: Google Cloud Storage is now supported
Improvement: AWS PHP SDK updated
Improvement: Diagnostic Info shows more complete settings information
Bug fix: Year/Month path prefix incorrectly set in bucket for non-image media files
Bug fix: PHP Fatal error: Class 'XMLWriter' not found
Bug fix: PHP Fatal error: Uncaught Error: Call to undefined method ...\Aws3\Aws\S3\Exception\S3Exception::search() in .../classes/providers/aws-provider.php:439
Bug fix: PHP Warning: filesize(): stat failed for [file-path] in classes/amazon-s3-and-cloudfront.php on line 1309

WP Offload Media Lite 2.0.1 - 2018-12-17

Improvement: Streamlined UI for setting Storage Provider and Bucket
Bug fix: On/Off switches in settings look reversed
Bug fix: Latest upgrade routine runs on fresh install
Bug fix: Defined settings still found in database
Bug fix: More Info links in Storage Provider settings incorrect
Tested: WordPress 5.0

WP Offload Media Lite 2.0 - 2018-09-24

Release Summary Blog Post
New: DigitalOcean Spaces is now supported
New: Plugin name updated from WP Offload S3 Lite to WP Offload Media Lite
Improvement: More logical UI layout and better description of each setting

WP Offload S3 Lite 1.4.3 - 2018-08-02

Bug fix: Images remotely edited via stream wrapper sometimes set as private on S3

WP Offload S3 Lite 1.4.2 - 2018-07-03

Bug fix: Error getting bucket region
Bug fix: Child themes with missing or broken style.css break diagnostic info

WP Offload S3 Lite 1.4.1 - 2018-06-21

Bug fix: Incorrect filesize saved to metadata when image removed from local server

WP Offload S3 Lite 1.4 - 2018-06-12

New: Using AWS PHP SDK v3
New: Requires PHP 5.5+
Improvement: Supported AWS S3 regions updated and names changed to match current AWS nomenclature
Bug fix: PHP Warning: Declaration of AS3CF_Stream_Wrapper::register should be compatible with Aws\S3\StreamWrapper::register
Bug fix: File size not stored in _wp_attachment_metadata for audio/video files
Bug fix: Image srcset uses full size image if metadata size is stored as string
Bug fix: PHP Warning: preg_match() expects parameter 2 to be string, array given
Bug fix: SQL syntax error when using attachment_url_to_postid() with non-ascii file name
Tested: WordPress 4.9.6
Tested: Gutenberg 3.0

WP Offload S3 Lite 1.3.2 - 2018-02-22

Bug fix: Fatal error: Uncaught Error: Call to undefined method Composer\Autoload\ClassLoader::setClassMapAuthoritative()
Bug fix: AWS keys stored in database by Amazon Web Services plugin are not being migrated to new settings record
Bug fix: Notice in settings page that Amazon Web Services plugin no longer required is not being shown when Amazon Web Services active

WP Offload S3 Lite 1.3.1 - 2018-02-20

Bug fix: Fatal error in stream wrapper setup when AWS Keys not set

WP Offload S3 Lite 1.3 - 2018-02-20

Release Summary Blog Post
New: Amazon Web Services plugin is no longer required to run WP Offload S3 Lite
New: Added as3cf_local_domains filter for when site content is updated through multiple domains
Improvement: AWS keys can be set in new "Settings" tab if not defined in wp-config.php
Improvement: Minor tweaks to settings page UI including right aligning tabs and consistent title across Lite and Pro plugins
Improvement: cURL version, theme version and parent theme information added to diagnostics
Bug fix: Incompatible with plugins that include AWS PHP SDK v3
Bug fix: Regenerate Thumbnails v3.0+ does not work with Remove Files From Server option
Bug fix: "Warning: count(): Parameter must be an array or an object that implements Countable" error with PHP 7.2
Bug fix: Force HTTPS not being applied to non-srcset S3 URLs in pages served over HTTP
Bug fix: Content URLs not filtered to S3 URLs if AWS keys not set
Bug fix: URL preview can be coerced to display invalid URL
Bug fix: Changes to upload made via as3cf_object_meta filter are not reflected in amazonS3_info records
Bug fix: Settings link not showing in network admin plugins page
Bug fix: License in composer.json fails Packagist validation

WP Offload S3 Lite 1.2.1 - 2017-11-20

New: Compatibility with HTML Widget
New: Dismissible admin notice that WP Offload S3 Lite will soon require PHP 5.5+
Improvement: Compatibility with WordPress 4.9
Bug fix: Incorrect region used when changing bucket by defining it in WPOS3_SETTINGS
Bug fix: Media library notices render inside the upload tool
Bug fix: Save notices disappear on settings page
Bug fix: Improper use of jQuery.attr logged to browser console
Bug fix: "Content Filtering Upgrade" URL in notice incorrect
Bug fix: "More info" links can be broken across two lines

WP Offload S3 Lite 1.2 - 2017-06-19

New: Compatibility with WordPress 4.8
New: Support for WP CLI wp media regenerate
Improvement: Intermediate image sizes are now passed through the as3cf_object_meta filter
Improvement: Content filtering cache now uses the external object when available
Bug fix: Timeouts on large multisite installs due to excessive database queries on upgrade routines
Bug fix: Video files with private ACL not working with WordPress's default media player
Bug fix: Bucket permissions check not using configured path
Bug fix: WordPress image editor sometimes shows a 404 when 'Remove Files From Server' enabled
Bug fix: Notice: Undefined index: region

WP Offload S3 Lite 1.1.6 - 2017-03-13

New: Compatibility with Advanced Custom Fields
New: as3cf_filter_post_local_to_s3 and as3cf_filter_post_s3_to_local filters added for filtering S3 URLs in custom content
Improvement: Ensure files uploaded using media_handle_sideload have unique filename on S3 when 'Remove Files From Server' enabled
Bug fix: Files uploaded to S3 with empty filenames when the filename started with non-latin characters
Bug fix: Audio files with private ACL not working with WordPress's default media player
Bug fix: S3 API version not passed to S3 client
Bug fix: Content added to text widgets via the Customizer not saved
Bug fix: Original file not removed locally when cropped via the Customizer and 'Remove Files From Server' enabled
Bug fix: Incorrect Media Library URLs saved to the database when WordPress installed in a subdirectory

WP Offload S3 Lite 1.1.5 - 2017-01-12

Improvement: Filter custom CSS - S3 URLs will no longer be saved to the database
Bug fix: PDF previews have incorrect MIME type
Bug fix: Original PDF not removed from S3 on attachment delete when image previews exist

WP Offload S3 Lite 1.1.4 - 2016-12-13

New: Upgrade routine to replace all S3 URLs in post excerpts with local URLs
Improvement: Performance improvements
Improvement: Allow expires time to be filtered for private content using the as3cf_expires filter
Bug fix: Image srcset not correctly applied when file names contain special characters

WP Offload S3 Lite 1.1.3 - 2016-11-28

Bug fix: Private URL signing params stripped in some circumstances
Improvement: Performance improvements for URL filtering, especially on large sites

WP Offload S3 Lite 1.1.2 - 2016-11-02

Improvement: Better content filtering support for third party plugins and themes
Bug fix: PHP Warning: Division by zero

WP Offload S3 Lite 1.1.1 - 2016-10-17

New: Filter post excerpts - S3 URLs will no longer be saved to the database
Bug fix: PHP 5.3 Fatal error: Using $this when not in object context
Bug fix: Query string parameters incorrectly encoded for Media Library items

WP Offload S3 Lite 1.1 - 2016-09-29

New: Filter post content. S3 URLs will no longer be saved to the database
New: Upgrade routine to replace all S3 URLs in content with local URLs
New: Support for theme custom logos
New: Control the ACL for intermediate image sizes using the as3cf_upload_acl_sizes filter
Bug fix: File names containing special characters double encoded
Bug fix: srcset not working for file names containing special characters
Bug fix: Incorrect placeholder text for 'Path' option
Bug fix: Objects in root of bucket not deleted when removed from the Media Library
Bug fix: No longer use deprecated functions in WordPress 4.6
Bug fix: Don't delete local file when 'Remove Files From Server' enabled and upload to S3 fails

WP Offload S3 Lite 1.0.5 - 2016-09-01

New: Compatibility with WordPress 4.6
Improvement: No longer delete plugin data on uninstall. Manual removal possible, as per this doc

WP Offload S3 Lite 1.0.4 - 2016-05-30

New: Now using simpler Force HTTPS setting, removed redundant Always Use HTTP setting
New: as3cf_cloudfront_path_parts filter allows changing served CloudFront path (useful when distribution pulls subdirectory)
Improvement: Better compatibility with non-standard notices from other plugins and themes
Improvement: Added basic auth and proxy info to diagnostic info
Improvement: Added allow_url_fopen status to diagnostic info
Improvement: Added memory usage to diagnostic info
Improvement: Ensure notice text is 800px or less in width
Improvement: Reduced database queries on settings screen
Bug fix: Properly handle _wp_attachment_data metadata when it is a serialized WP_Error

WP Offload S3 Lite 1.0.3 - 2016-03-23

Bug fix: Don't replace srcset URLs when Rewrite File URLs option disabled
Bug fix: Fatal error: Cannot redeclare as3cf_get_secure_attachment_url()

WP Offload S3 Lite 1.0.2 - 2016-03-08

Bug fix: Uninstall would run even if pro plugin installed

WP Offload S3 Lite 1.0.1 - 2016-03-08

Bug fix: Fatal error on plugin activation
Bug fix: Unable to activate Pro upgrade

WP Offload S3 Lite 1.0 - 2016-03-07

New: Plugin renamed to "WP Offload S3 Lite"
New: Define any and all settings with a constant in wp-config.php
New: Documentation links for each setting
Improvement: Simplified domain setting UI
Improvement: Far future expiration header set by default
Improvement: Newly created bucket now immediately appears in the bucket list
Improvement: Cleanup user meta on uninstall
Improvement: WP Retina 2x integration removed
Bug fix: Year/Month folder structure on S3 not created if the 'Organise my uploads into month and year-based folders' WordPress setting is disabled
Bug fix: Responsive srcset PHP notices
Bug fix: Compatibility addon notices displayed to non-admin users
Bug fix: Potential PHP fatal error in MySQL version check in diagnostic log
Bug fix: Missing image library notices displaying before plugin is setup

WP Offload S3 0.9.12 - 2016-02-03

Improvement: Compatibility with WP Offload S3 Assets 1.1
Bug fix: Object versioned responsive images in post content not working when served from S3 on WordPress 4.4+

WP Offload S3 0.9.11 - 2015-12-19

Bug fix: Responsive images in post content not working when served from S3
Bug fix: Responsive images using wrong image size when there are multiple images with the same width

WP Offload S3 0.9.10 - 2015-11-26

Improvement: Support for responsive images in WP 4.4
Bug fix: Incorrect file path for intermediate image size files uploaded to S3 with no prefix
Bug fix: Thumbnail previews return 404 error during image edit screen due to character encoding

WP Offload S3 0.9.9 - 2015-11-12

Improvement: Improve wording of compatibility notices
Improvement: Compatibility with Easy Digital Downloads 1.0.1 and WooCommerce 1.0.3 addons
Improvement: Better determine available memory for background processes
Bug fix: URL previews incorrect due to stripping / characters
Bug fix: PHP Warning: stream_wrapper_register(): Protocol s3:// is already defined
Bug fix: PHP Fatal error: Call to undefined method WP_Error::get()

WP Offload S3 0.9.8 - 2015-11-02

Bug fix: Attachment URLs containing query string parameters incorrectly encoded

WP Offload S3 0.9.7 - 2015-10-26

Improvement: Improve compatibility with third party plugins when the Remove Files From Server option is enabled
Improvement: Fix inconsistent spacing on the WP Offload S3 settings screen
Improvement: Validate CloudFront or custom domain input field
Improvement: Link to current S3 bucket added to WP Offload S3 settings screen
Improvement: Show notice when neither GD or Imagick image libraries are not installed
Improvement: Supply Cache-Control header to S3 when the Far Future Expiration Header option is enabled
Improvement: Additional information added to Diagnostic Information
Improvement: Added warning when Remove Files From Server option is enabled
Improvement: Filter added to allow additional image versions to be uploaded to S3
Bug fix: File size not stored in wp_attachment_metadata when Remove Files From Server option is enabled
Bug fix: Uploads on Multisite installs allowed after surpassing upload limit
Bug fix: Site icon in WordPress customizer returns 404
Bug fix: Image versions remain locally and on S3 after deletion, when the file name contains characters which require escaping
Bug fix: Files with the same file name overwritten when _Remove Files From Server option is enabled
Bug fix: Cron tasks incorrectly scheduled due to passing the wrong time to wp_schedule_event
Bug fix: Default options not shown in the UI after first install

WP Offload S3 0.9.6 - 2015-10-01

Improvement: Update text domains for translate.wordpress.org integration

WP Offload S3 0.9.5 - 2015-09-01

Bug fix: Fatal error: Cannot use object of type WP_Error as array

WP Offload S3 0.9.4 - 2015-08-27

New: Update all existing attachments with missing file sizes when the 'Remove Files From Server' option is enabled (automatically runs in the background)
Improvement: Show when constants are used to set bucket and region options
Improvement: Don't show compatibility notices on plugin update screen
Improvement: On Multisite installs don't call restore_current_blog() on successive loop iterations
Bug fix: 'Error getting URL preview' alert shown when enter key pressed on settings screen
Bug fix: Unable to crop header images when the 'Remove Files From Server' option is enabled
Bug fix: Incorrect storage space shown on Multisite installs when the 'Remove Files From Server' option is enabled
Bug fix: Upload attempted to non existent bucket when defined by constant
Bug fix: 'SignatureDoesNotMatch' error shown when using signed URLs with bucket names containing '.' characters

WP Offload S3 0.9.3 - 2015-08-17

New: Pro upgrade sidebar
Bug fix: Create buckets in US standard region causing S3 URLs to 404 errors

WP Offload S3 0.9.2 - 2015-07-29

Bug fix: Accidentally released the sidebar for after we launch the pro version

WP Offload S3 0.9.1 - 2015-07-29

Improvement: Access denied sample IAM policy replaced with link to Quick Start Guide
Improvement: Access denied messages on bucket selection or bucket creation now link to Quick Start Guide
Improvement: Object expires time can now be filtered using the as3cf_object_meta filter
Bug fix: Error not always shown when S3 bucket inaccessible due to incorrect permissions
Bug fix: Permission checks fail when S3 bucket is in a non-default region and defined by AS3CF_BUCKET constant
Bug fix: Restore as3cf_get_attached_file_copy_back_to_local filter
Bug fix: Image versions not uploaded to S3 when an edited image is restored
Bug fix: Original image version not deleted from server when Remove Files From Server option enabled
Bug fix: Media library items with non-ascii characters in the file name are not removed from S3
Bug fix: Compatibility notices shown on plugin install pages
Bug fix: WordPress footer overlaps WP Offload S3 sidebar
Bug fix: Upon initial setup the settings changed alert shows when no settings have changed

WP Offload S3 0.9 - 2015-07-08

New: Plugin rebranded to WP Offload S3
New: Support tab added to Offload S3 screen containing diagnostic information
New: Compatibility with the Media Replace plugin
New: Select bucket region when creating a new bucket
New: Toggle switches redesigned
Improvement: Compatibility with release candidate of Pro plugin
Improvement: Example IAM policy more secure
Improvement: Set default bucket region using the AS3CF_REGION constant
Improvement: Added as3cf_object_meta filter for developers
Improvement: Bucket selection moved to modal window
Improvement: Don't allow bucket names to contain invalid characters on creation
Improvement: More verbose error messages on bucket selection
Improvement: Settings link added to plugin row on Plugins screen
Improvement: Object versioning enabled by default
Improvement: Uninstall routines added
Improvement: JavaScript coding standards
Improvement: Cache result when checking S3 bucket permissions
Bug fix: Bucket region errors result in blank WP Offload S3 screen
Bug fix: Editing an image when Remove Files From Server option is enabled results in error
Bug fix: Metadata upgrade procedure triggered on new installs
Bug fix: File URLs when uploaded to a subdirectory result in incorrect S3 URLs
Bug fix: Errors logged when trying to delete non-existent HiDPI images
Bug fix: SignatureDoesNotMatch errors on regions with v4 authentication
Bug fix: Customizer background image not editable
Bug fix: Error when creating buckets with US Standard region
Bug fix: Notices appearing incorrectly on some admin screens
Bug fix: Subsite upload paths repeated on multisite installs
Bug fix: Handle multisite installs where BLOG_ID_CURRENT_SITE is not 1

WP Offload S3 0.8.2 - 2015-01-31

New: Input bucket in settings to avoid listing all buckets
New: Specify bucket with 'AS3CF_BUCKET' constant
Improvement: Compatibility with beta release of Pro plugin
Bug Fix: Incorrect file prefix in S3 permission check

WP Offload S3 0.8.1 - 2015-01-19

Bug Fix: Permission problems on installs running on EC2s
Bug Fix: Blank settings page due to WP_Error on S3 permission check
Bug Fix: Warning: strtolower() expects parameter 1 to be string, object given
Bug Fix: Region post meta update running on subsites of Multisite installs

WP Offload S3 0.8 - 2015-01-10

New: Redesigned settings UI
Improvement: SSL setting can be fully controlled, HTTPS for urls always, based on request or never
Improvement: Download files from S3 that are not found on server when running Regenerate Thumbnails plugin
Improvement: When calling get_attached_file() and file is missing from server, return S3 URL
Improvement: Code cleanup to WordPress coding standards
Bug Fix: Files for all subsites going into the same S3 folder on multisite installs setup prior to WP 3.5
Bug Fix: 'attempting to access local file system' error for some installs

WP Offload S3 0.7.2 - 2014-12-11

Bug: Some buckets in the EU region causing permission and HTTP errors
Bug: Undefined variable: message in view/error.php also causing white screens

WP Offload S3 0.7.1 - 2014-12-05

Bug: Read-only error on settings page sometimes false positive

WP Offload S3 0.7 - 2014-12-04

New: Proper S3 region subdomain in URLs for buckets not in the US Standard region (e.g. https://s3-us-west-2.amazonaws.com/...)
New: Update all existing attachment meta with bucket region (automatically runs in the background)
New: Get secure URL for different image sizes (iamzozo)
New: S3 bucket can be set with constant in wp-config.php (dberube)
New: Filter for allowing/disallowing file types: as3cf_allowed_mime_types
New: Filter to cancel upload to S3 for any reason: as3cf_pre_update_attachment_metadata
New: Sidebar with email opt-in
Improvement: Show warning when S3 policy is read-only
Improvement: Tooltip added to clarify option
Improvement: Move object versioning option to make it clear it does not require CloudFront
Improvement: By default only allow file types in get_allowed_mime_types() to be uploaded to S3
Improvement: Compatibility with WPML Media plugin
Bug Fix: Edited images not removed on S3 when restoring image and IMAGE_EDIT_OVERWRITE true
Bug Fix: File names with certain characters broken not working
Bug Fix: Edited image uploaded to incorrect month folder
Bug Fix: When creating a new bucket the bucket select box appears empty on success
Bug Fix: SSL not working in regions other than US Standard
Bug Fix: 'Error uploading' and 'Error removing local file' messages when editing an image
Bug Fix: Upload and delete failing when bucket is non-US-region and bucket name contains dot
Bug Fix: S3 file overwritten when file with same name uploaded and local file removed (dataferret)
Bug Fix: Manually resized images not uploaded (gmauricio)

WP Offload S3 0.6.1 - 2013-09-21

WP.org download of Amazon Web Services plugin is giving a 404 Not Found, so directing people to download from Github instead

WP Offload S3 0.6 - 2013-09-20

Complete rewrite
Now requires PHP 5.3.3+
Now requires the Amazon Web Services plugin which contains the latest PHP libraries from Amazon
Now works with multisite
New Option: Custom S3 object path
New Option: Always serve files over https (SSL)
New Option: Enable object versioning by appending a timestamp to the S3 file path
New Option: Remove uploaded file from local filesystem once it has been copied to S3
New Option: Copy any HiDPI (@2x) images to S3 (works with WP Retina 2x plugin)

WP Offload S3 0.5 - 2013-01-29

Forked Amazon S3 for WordPress with CloudFront
Cleaned up the UI to fit with today's WP UI
Fixed issues causing error messages when WP_DEBUG is on
Delete files on S3 when deleting WP attachment
Added filter to the get_attachment_url function
Added function to get a temporary, secure download URL for private files

deliciousbrains / wp-amazon-s3-and-cloudfront

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