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[feature] configurable maximum thumbnail dimensions (#4258)

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- adds configuration for thumbnail maximum dimensions with warning on exceeding recommendations
- moves the media configuration vars into their own sub-struct
- replaces the configuration flag funcs with simple string consts

Reviewed-on: https://codeberg.org/superseriousbusiness/gotosocial/pulls/4258
Reviewed-by: tobi <kipvandenbos@noreply.codeberg.org>
Co-authored-by: kim <grufwub@gmail.com>
Co-committed-by: kim <grufwub@gmail.com>
This commit is contained in:
kim 2025-06-10 15:43:31 +02:00 • committed by kim
commit d7f967cbb5
17 changed files with 902 additions and 1099 deletions
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32
internal/config/config.go
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@ -113,19 +113,6 @@ type Configuration struct {
AccountsCustomCSSLength int `name:"accounts-custom-css-length" usage:"Maximum permitted length (characters) of custom CSS for accounts."`
AccountsMaxProfileFields int `name:"accounts-max-profile-fields" usage:"Maximum number of profile fields allowed for each account."`
MediaDescriptionMinChars int `name:"media-description-min-chars" usage:"Min required chars for an image description"`
MediaDescriptionMaxChars int `name:"media-description-max-chars" usage:"Max permitted chars for an image description"`
MediaRemoteCacheDays int `name:"media-remote-cache-days" usage:"Number of days to locally cache media from remote instances. If set to 0, remote media will be kept indefinitely."`
MediaEmojiLocalMaxSize bytesize.Size `name:"media-emoji-local-max-size" usage:"Max size in bytes of emojis uploaded to this instance via the admin API."`
MediaEmojiRemoteMaxSize bytesize.Size `name:"media-emoji-remote-max-size" usage:"Max size in bytes of emojis to download from other instances."`
MediaImageSizeHint bytesize.Size `name:"media-image-size-hint" usage:"Size in bytes of max image size referred to on /api/v_/instance endpoints (else, local max size)"`
MediaVideoSizeHint bytesize.Size `name:"media-video-size-hint" usage:"Size in bytes of max video size referred to on /api/v_/instance endpoints (else, local max size)"`
MediaLocalMaxSize bytesize.Size `name:"media-local-max-size" usage:"Max size in bytes of media uploaded to this instance via API"`
MediaRemoteMaxSize bytesize.Size `name:"media-remote-max-size" usage:"Max size in bytes of media to download from other instances"`
MediaCleanupFrom string `name:"media-cleanup-from" usage:"Time of day from which to start running media cleanup/prune jobs. Should be in the format 'hh:mm:ss', eg., '15:04:05'."`
MediaCleanupEvery time.Duration `name:"media-cleanup-every" usage:"Period to elapse between cleanups, starting from media-cleanup-at."`
MediaFfmpegPoolSize int `name:"media-ffmpeg-pool-size" usage:"Number of instances of the embedded ffmpeg WASM binary to add to the media processing pool. 0 or less uses GOMAXPROCS."`
StorageBackend string `name:"storage-backend" usage:"Storage backend to use for media attachments"`
StorageLocalBasePath string `name:"storage-local-base-path" usage:"Full path to an already-created directory where gts should store/retrieve media files. Subfolders will be created within this dir."`
StorageS3Endpoint string `name:"storage-s3-endpoint" usage:"S3 Endpoint URL (e.g 'minio.example.org:9000')"`
@ -181,6 +168,9 @@ type Configuration struct {
// HTTPClient configuration vars.
HTTPClient HTTPClientConfiguration `name:"http-client"`
// Media configuration vars.
Media MediaConfiguration `name:"media"`
// Cache configuration vars.
Cache CacheConfiguration `name:"cache"`
@ -202,6 +192,22 @@ type HTTPClientConfiguration struct {
InsecureOutgoing bool `name:"insecure-outgoing"`
}
type MediaConfiguration struct {
DescriptionMinChars int `name:"description-min-chars" usage:"Min required chars for an image description"`
DescriptionMaxChars int `name:"description-max-chars" usage:"Max permitted chars for an image description"`
RemoteCacheDays int `name:"remote-cache-days" usage:"Number of days to locally cache media from remote instances. If set to 0, remote media will be kept indefinitely."`
EmojiLocalMaxSize bytesize.Size `name:"emoji-local-max-size" usage:"Max size in bytes of emojis uploaded to this instance via the admin API."`
EmojiRemoteMaxSize bytesize.Size `name:"emoji-remote-max-size" usage:"Max size in bytes of emojis to download from other instances."`
ImageSizeHint bytesize.Size `name:"image-size-hint" usage:"Size in bytes of max image size referred to on /api/v_/instance endpoints (else, local max size)"`
VideoSizeHint bytesize.Size `name:"video-size-hint" usage:"Size in bytes of max video size referred to on /api/v_/instance endpoints (else, local max size)"`
LocalMaxSize bytesize.Size `name:"local-max-size" usage:"Max size in bytes of media uploaded to this instance via API"`
RemoteMaxSize bytesize.Size `name:"remote-max-size" usage:"Max size in bytes of media to download from other instances"`
CleanupFrom string `name:"cleanup-from" usage:"Time of day from which to start running media cleanup/prune jobs. Should be in the format 'hh:mm:ss', eg., '15:04:05'."`
CleanupEvery time.Duration `name:"cleanup-every" usage:"Period to elapse between cleanups, starting from media-cleanup-at."`
FfmpegPoolSize int `name:"ffmpeg-pool-size" usage:"Number of instances of the embedded ffmpeg WASM binary to add to the media processing pool. 0 or less uses GOMAXPROCS."`
ThumbMaxPixels int `name:"thumb-max-pixels" usage:"Max size in pixels of any one dimension of a thumbnail (as input media ratio is preserved)."`
}
type CacheConfiguration struct {
MemoryTarget bytesize.Size `name:"memory-target"`
AccountMemRatio float64 `name:"account-mem-ratio"`