mangadex_at_home/CHANGELOG.md

# Changelog
All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [Unreleased]
### Added

### Changed

### Deprecated

### Removed

### Fixed

### Security

## [2.0.0] - 2021-03-11
### Changed
- [2021-03-11] Switch back to HTTP/1.1 [@carbotaniuman].
- [2021-03-11] Tune connection pool [@carbotaniuman].

### Fixed
- [2021-03-11] Fixed Access-Control-Expose-Headers typo [@lflare].
- [2021-03-11] Throw exceptions less frequently [@carbotaniuman].
- [2021-03-11] Fix various Netty issues [@carbotaniuman].
- [2021-03-11] Don't log IOUring and Epoll errors [@carbotaniuman].
- [2021-03-11] Ignore IPV6 when pinging [@carbotaniuman].

## [2.0.0-rc14] - 2021-03-02
### Changed
- [2021-03-02] Fix Prometheus to 2.24.1 and Grafana to 7.4.0 [@_tde9].
- [2021-03-02] Update and rearrange the embedded dashboard with the new Timeseries panel from Grafana 7.4 [@_tde9].
- [2021-03-02] Update sample dashboard screenshot thanks to DLMSweet :smile: [@_tde9].
- [2021-02-25] Use HTTP/2 to download when possible [@carbotaniuman].

### Fixed
- [2021-02-21] Fix pipeline [@_tde9].

## [2.0.0-rc13] - 2021-02-19
### Changed
- [2021-02-19] Back to sqlite we go [@carbotaniuman].

## [2.0.0-rc12] - 2021-02-11
### Fixed
- [2021-02-11] Fixed stupid cross platform bug [@carbotaniuman].

## [2.0.0-rc11] - 2021-02-11
### Fixed
- [2021-02-11] Fixed docker bug [@carbotaniuman].

## [2.0.0-rc10] - 2021-02-11
### Added
- [2021-02-11] Add ability to disable io_uring and epoll [@carbotaniuman].

### Changed
- [2021-02-11] Changed `databaseFile` to `databaseFolder` in run args [@carbotaniuman].
- [2021-02-11] Added more error recovery and logging [@carbotaniuman].
- [2021-02-11] Enforce stricter bounds on disk size [@carbotaniuman].

### Fixed
- [2021-02-11] Fixed issues with Netty not shutting down properly [@carbotaniuman].

## [2.0.0-rc9] - 2021-02-06
### Added
- [2021-02-06] Add Micrometer and Resilience4J dashboards to defaults [@_tde9].

### Changed
- [2021-02-06] Use Resilience4J circuit breaker stats for upstream download panel [@_tde9].
- [2021-02-06] Set default docker GC to Shenandoah [@_tde9].
- [2021-02-06] Updated timing of circuit breaker [@carbotaniuman].

## [2.0.0-rc8] - 2021-02-04
### Added
- [2021-02-04] Installed a circuit breaker in order to save upstream [@carbotaniuman].

## [2.0.0-rc7] - 2021-01-31
### Added
- [2021-01-31] Add distinct timerange and total egress stats to dashboard [@_tde9].
- [2021-01-31] Add average cache hitrate panel [@_tde9].

### Changed
- [2021-01-31] Add HikariCP connection pool [@carbotaniuman].

### Fixed
- [2021-01-31] Fix client reqs dashboard panel [@_tde9].

## [2.0.0-rc6] - 2021-01-28
### Fixed
- [2021-01-27] Upped max Apache threadpool size [@carbotaniuman].
- [2021-01-27] Add ability for nodes to specify external ip [@carbotaniuman].

## [2.0.0-rc5] - 2021-01-27
### Changed
- [2021-01-27] Minor code tweaks [@carbotaniuman].

## [2.0.0-rc4] - 2021-01-27
### Changed
- [2021-01-27] Added `threads` back with new semantics [@carbotaniuman].

### Fixed
- [2021-01-27] Fix regression with Prometheus metrics [@carbotaniuman].

## [2.0.0-rc3] - 2021-01-26
### Changed
- [2021-01-26] Removed `threads` options in settings [@carbotaniuman].

### Fixed
- [2021-01-25] Add `privileged: true` to mangadex-at-home service in docker-compose to enable use of IOUring for the dockerized version [@_tde9].
- [2021-01-26] Make updated config restart the webserver and apply changes [@carbotaniuman].
- [2021-01-26] Optimize some code to reduce allocations [@carbotaniuman].
- [2021-01-26] Fix stupid bug with `MessageDigest` [@carbotaniuman].

## [2.0.0-rc2] - 2021-01-24
### Added
- [2021-01-24] Epoll and IOUring HTTP transports [@carbotaniuman].

### Changed
- [2021-01-24] Log files are now UTF-8 [@carbotaniuman].

### Fixed
- [2021-01-23] Fix sample docker-compose.yml [@_tde9].
- [2021-01-24] Fix another race condition [@carbotaniuman].
- [2021-01-24] Fix validating small (<1024MiB) caches [@carbotaniuman].

## [2.0.0-rc1] - 2021-01-23
This release contains many breaking changes! Of note are the changes to the cache folders, database location, and settings format.
### Added
- [2021-01-23] Added `external_max_kilobits_per_second` config option [@carbotaniuman].
- [2021-01-23] Various internal tests to ensure stability [@carbotaniuman].
- [2021-01-23] Added `/prometheus` endpoint for Prometheus stats and eventual integration [@_tde9].
- [2021-01-23] docker-compose for easy spinup of a Prometheus + Grafana stack [@_tde9].

### Changed
- [2021-01-23] Changed the settings to a `settings.yaml` file [@carbotaniuman].
- [2021-01-23] Changed from `cache` to `images` for images folder [@carbotaniuman].
- [2021-01-23] Changed folder structure to be simpler [@carbotaniuman].
- [2021-01-23] Coalesced DB writes to reduce DB load [@carbotaniuman].
- [2021-01-23] Store metadata along with the image to reduce IOPS [@carbotaniuman].
- [2021-01-23] Updated internal dependencies to improve performance [@carbotaniuman].

### Removed
- [2020-01-23] Unceremoniously removed the old WebUI [@carbotaniuman].

### Fixed
- [2021-01-23] Fixed a long-standing cache deadlock [@carbotaniuman].
- [2021-01-23] Fixed another shutdown bug [@carbotaniuman].
- [2021-01-23] Fixed various CPU and memory leaks [@carbotaniuman].
- [2021-01-23] Fixed another shutdown bug [@carbotaniuman].
- [2021-01-23] Fixed data races when storing images [@carbotaniuman].

## [1.2.4] - 2021-01-09
### Fixed
- [2021-01-08] Better exception handling [@carbotaniuman].

## [1.2.3] - 2021-01-08
### Fixed
- [2021-01-08] Fix a bunch of stupid edge cases [@carbotaniuman].
- [2021-01-08] Fix pathological shutdown issues [@carbotaniuman].
- [2021-01-08] Provide messages on request failures [@carbotaniuman].
- [2021-01-08] Exempt well-known test images [@carbotaniuman].
- [2021-01-08] Give actual errors and not 500  [@carbotaniuman].

## [1.2.2] - 2020-08-21
### Changed
- [2020-08-11] Moved to a Java implementation of NaCl [@carbotaniuman].

### Fixed
- [2020-08-11] Revert WebUI changes in 1.2.1 [@carbotaniuman].

## [1.2.1] - 2020-08-11
### Added
- [2020-08-11] New CLI for specifying database location, cache folder, and settings [@carbotaniuman].

### Changed
- [2020-08-11] Change logging defaults [@carbotaniuman].

### Fixed
- [2020-08-11] Bugs relating to `settings.json` changes [@carbotaniuman].
- [2020-08-11] Logs taking up an absurd amount of space [@carbotaniuman].
- [2020-08-11] Random crashes for no reason [@carbotaniuman].
- [2020-08-11] SQLException is now properly handled [@carbotaniuman].


## [1.2.0] - 2020-08-10
### Added
- [2020-07-13] Added reloading client setting without stopping client by [@radonbark].

### Changed
- [2020-07-29] Disallow unsafe ports [@m3ch_mania].

### Fixed
- [2020-07-29] Fixed stupid libsodium bugs [@carbotaniuman].
- [2020-07-29] Fixed issues from the Great Cache Propagation [@carbotaniuman].
- [2020-08-03] Fix `client_hostname` stuff [@carbotaniuman].

## [1.1.5] - 2020-07-05
### Added
- [2020-07-05] Added basic graph creation interface to dash [@RedMatriz].

### Changed
- [2020-07-04] Changed GitLab CI to build on every push irregardless of tagging by [@carbotaniuman].
- [2020-07-05] Added `mangadex.network` as allowed domain for `Referer`. Allow blank or missing `Referer` by [@AviKav].
- [2020-07-05] Changed mobile dash to allow for graph creation [@RedMatriz].
- [2020-07-05] Minor improvements to graph load [@RedMatriz].

### Fixed
- [2020-07-04] Fixed typo on `access-control-allow-methods` by [@carbotaniuman].
- [2020-07-05] Fixed minor graph update issues [@RedMatriz].

### Security
- [2020-07-05] Prevent `Referer` matching on subdomains such as `mangadex.org.example.com` by [@AviKav].

## [1.1.4] - 2020-07-04
### Changed
- [2020-07-04] Logging backbone overhauled by [@carbotaniuman].
- [2020-07-04] Bumped client version to `15` by [@carbotaniuman].

### Removed
- [2020-07-04] Rolled back configuration of ServerFilters for CORS by [@carbotaniuman].

## [1.1.3] - 2020-07-04
### Added
- [2020-07-04] Updated to allow for automatic version constant variable by [@carbotaniuman].

### Fixed
- [2020-07-04] Updated Dockerfile to include libsodium for token verification by [@FOG_Yamato].

## [1.1.2] - 2020-07-04
### Fixed
- [2020-07-04] Fixed `client_hostname` default configuration bug by [@carbotaniuman].
- [2020-07-04] Suppressed some non-essential logs by [@carbotaniuman].

## [1.1.1] - 2020-07-04
### Changed
- [2020-07-04] Bumped version number by [@carbotaniuman].

## [1.1.0] - 2020-07-04
### Added
- [2020-06-23] Added Gitlab CI integration by [@lflare].
- [2020-06-28] Added `client_external_port` setting [@wedge1001].
- [2020-06-29] Added rudimentary support of Referer checking to mitigate hotlinking by [@lflare].
- [2020-06-30] Added read and write timeouts to protect against some attacks [@carbotaniuman].
- [2020-06-30] Added `dev_settings` to allow for easier development [@wedge1001].
- [2020-07-02] Added stand-ins for future client control in web interface [@RedMatriz].

### Changed
- [2020-06-28] Added `pasued` field in ServerSettings [@carbotaniuman].
- [2020-06-28] Hopefully fixed connection leaks [@carbotaniuman].
- [2020-07-02] Minor fixes and changes to data handling in web interface [@RedMatriz].
- [2020-07-02] Renamed localstorage keys in web interface [@RedMatriz].
- [2020-06-28] Actually report custom `client_hostname` [@carbotaniuman].

### Fixed
- [2020-06-28] Fixed various state transition bugs by [@carbotaniuman].

### Security
- [2020-07-02] Added option to enforce strict checks on tokens to prevent hotlinking [@carbotaniuman].

## [1.0.0] - 2020-06-22
### Added
- [2020-06-22] Repository clean-up by [@carbotaniuman]
- [2020-06-22] Comments added to JSON configuration file by [@carbotaniuman]
- [2020-06-22] Added UI graph resizing and dragging by [@RedMatriz].
- [2020-06-22] Added client setting generator in UI by [@RedMatriz].

### Changed
- [2020-06-22] Fix incorrect `config.sample.json` naming to `settings.sample.json` by [@lflare]
- [2020-06-22] Logging statements improved by [@carbotaniuman]

## [1.0.0-RC22] - 2020-06-22
### Added
- [2020-06-20] Added `graceful_shutdown_wait_seconds` client setting by [@carbotaniuman]
- [2020-06-20] Added `config.sample.json` sample client configuration file by [@lflare]
- [2020-06-19] Readded ability to set log files level [@carbotaniuman]

## [1.0.0-RC21] - 2020-06-20
### Changed
- [2020-06-20] Fixed logging for DiskLruCache [@carbotaniuman]
- [2020-06-20] Don't automatically delete on corruption [@carbotaniuman]

## [1.0.0-RC20] - 2020-06-19
### Added
- [2020-06-19] Errored out on invalid settings.json tokens [@carbotaniuman]

### Changed
- [2020-06-19] Changed default CPU thread count to `4` by [@lflare].
- [2020-06-19] Removed ability to set log files but increased throughput [@carbotaniuman]

### Fixed
- [2020-06-19] Make graceful shutdown work better [@carbotaniuman]
- [2020-06-19] Actually shutdown logback [@carbotaniuman]

## [1.0.0-RC19] - 2020-06-18
### Added
- [2020-06-16] Added WebUI versions to constants by [@RedMatriz].
- [2020-06-16] Added WebUI PWA support for mobile by [@RedMatriz].
- [2020-06-16] Added WebUI local data caching [@RedMatriz].

### Changed
- [2020-06-16] Reworked graceful shutdown [@carbotaniuman].
- [2020-06-17] Revamped configuration & units by [@lflare].

### Fixed
- [2020-06-17] Fixed minor typo with threads error logging by [@lflare].

## [1.0.0-RC18] - 2020-06-16
### Changed
- [2020-06-16] Changed log level of response timings to INFO by [@lflare].
- [2020-06-16] Added server ping logging [@carbotaniuman].
- [2020-06-16] Added access control headers by [@Fugi].

## [1.0.0-RC17] - 2020-06-15
### Added
- [2020-06-15] Added logging of backend assigned URL to logs by [@lflare].
- [2020-06-15] Added logging of `compromised` softban to logs by [@lflare].

### Changed
- [2020-06-14] Migrated cache metadata over to a sqlite3 handler [@carbotaniuman].
- [2020-06-15] Properly describe dirty builds as dirty by [@lflare].

### Deprecated
- [2020-06-14] Removed old cache subdirectory migration system by [@carbotaniuman].

### Fixed
- [2020-06-14] Switched cache metadata over to a MySql instance [@carbotaniuman].
- [2020-06-15] Fixed tokenized data-saver parser not working by [@lflare].
- [2020-06-15] Properly synchronised sqlite3 handler across threads by [@lflare].

## [1.0.0-RC16] - 2020-06-14
### Added
- [2020-06-14] Added new `client_hostname` selector to allow for custom address binding for Netty by [@lflare].
- [2020-06-14] Added new `ui_hostname` selector to allow for custom address binding for WebUiNetty by [@lflare].
- [2020-06-14] Added response timings to trace logs and response headers by [@lflare].

## [1.0.0-RC15] - 2020-06-13
### Added
- [2020-06-13] Allow for the two log levels to be configurable by [@lflare].
- [2020-06-13] Added X-Cache header to image responses by [@lflare].
- [2020-06-13] Added .gitattributes to help sort out CHANGELOG.md merge conflicts by [@lflare].
- [2020-06-13] Added rudimentary web-ui by [@carbotaniuman & @RedMatriz].
- [2020-06-13] Added additional entry to server ping for network speed by [@lflare].
- [2020-06-13] Added colouring to web-ui pie chart by [@lflare].

### Changed
- [2020-06-13] Modified AsyncAppender queue size to 1024 by [@lflare].
- [2020-06-13] Bumped client version to 5 by [@lflare].
- [2020-06-13] Modularized the image server by [@carbotaniuman].
- [2020-06-13] Suppressed log output for IOException by [@carbotaniuman].
- [2020-06-13] Migration of Java to Kotlin for most handlers by [@carbotaniuman]

## [1.0.0-RC14] - 2020-06-12
### Fixed
- [2020-06-12] Fixed not actually creating the directories before moving cache files by [@lflare].

## [1.0.0-RC13] - 2020-06-12
### Added
- [2020-06-12] Added CHANGELOG.md by [@lflare].
- [2020-06-12] Added on-read atomic image migrator to 4-deep subdirectory format by [@lflare].

### Changed
- [2020-06-12] Raised ApacheClient socket limit to `2**18` by [@lflare].
- [2020-06-12] Changed gradle versioning to using `git describe` by [@lflare].
- [2020-06-12] Made Netty thread count global instead of per-cpu by [@lflare].
- [2020-06-12] Store cache files in a 4-deep subdirectory to improve performance by [@lflare].

### Fixed
- [2020-06-12] Re-added missing default `threads_per_cpu` setting by [@lflare].
- [2020-06-12] Replaced exponential calculation for ApacheClient threads by [@lflare].

### Security
- [2020-06-12] Update ClientSettings.java changed showing client secret in logs back to hidden by [@dskilly].

## [1.0.0-RC12] - 2020-06-12
### Fixed
- [2020-06-12] Fixed hourly refresh bug by [@carbotaniuman].

## [1.0.0-RC11] - 2020-06-11
### Added
- [2020-06-11] New setting `threads_per_cpu` to faciliate with Netty multi-threading by [@lflare].

### Changed
- [2020-06-11] Swapped threading to Netty instead of ApacheClient by [@lflare].

### Fixed
- [2020-06-11] Tweaked logging configuration to reduce log file sizes by [@carbotaniuman].

[Unreleased]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/2.0.0...HEAD
[2.0.0]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/2.0.0-rc14...2.0.0
[2.0.0-rc14]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/2.0.0-rc13...2.0.0-rc14
[2.0.0-rc13]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/2.0.0-rc12...2.0.0-rc13
[2.0.0-rc12]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/2.0.0-rc11...2.0.0-rc12
[2.0.0-rc11]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/2.0.0-rc10...2.0.0-rc11
[2.0.0-rc10]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/2.0.0-rc9...2.0.0-rc10
[2.0.0-rc9]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/2.0.0-rc8...2.0.0-rc9
[2.0.0-rc8]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/2.0.0-rc7...2.0.0-rc8
[2.0.0-rc7]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/2.0.0-rc6...2.0.0-rc7
[2.0.0-rc6]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/2.0.0-rc5...2.0.0-rc6
[2.0.0-rc5]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/2.0.0-rc4...2.0.0-rc5
[2.0.0-rc4]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/2.0.0-rc3...2.0.0-rc4
[2.0.0-rc3]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/2.0.0-rc2...2.0.0-rc3
[2.0.0-rc2]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/2.0.0-rc1...2.0.0-rc2
[2.0.0-rc1]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.2.4...2.0.0-rc1
[1.2.4]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.2.3...1.2.4
[1.2.3]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.2.2...1.2.3
[1.2.2]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.2.1...1.2.2
[1.2.1]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.2.0...1.2.1
[1.2.0]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.1.5...1.2.0
[1.1.5]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.1.4...1.1.5
[1.1.4]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.1.3...1.1.4
[1.1.3]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.1.2...1.1.3
[1.1.2]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.1.1...1.1.2
[1.1.1]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.1.0...1.1.1
[1.1.0]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.0.0...1.1.0
[1.0.0]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.0.0-rc22...1.0.0
[1.0.0-rc22]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.0.0-rc21...1.0.0-rc22
[1.0.0-rc21]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.0.0-rc20...1.0.0-rc21
[1.0.0-rc20]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.0.0-rc19...1.0.0-rc20
[1.0.0-rc19]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.0.0-rc18...1.0.0-rc19
[1.0.0-rc18]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.0.0-rc17...1.0.0-rc18
[1.0.0-rc17]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.0.0-rc16...1.0.0-rc17
[1.0.0-rc16]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.0.0-rc15...1.0.0-rc16
[1.0.0-rc15]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.0.0-rc14...1.0.0-rc15
[1.0.0-rc14]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.0.0-rc13...1.0.0-rc14
[1.0.0-rc13]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.0.0-rc12...1.0.0-rc13
[1.0.0-rc12]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.0.0-rc11...1.0.0-rc12
[1.0.0-rc11]: https://gitlab.com/mangadex/mangadex_at_home/-/compare/1.0.0-rc10...1.0.0-rc11