Files
GoToSocial/internal/config/config.go
tobi 43f1c6d872 [feature] Add config option to expose custom emojis without auth (#4233)
# Description

> If this is a code change, please include a summary of what you've coded, and link to the issue(s) it closes/implements.
>
> If this is a documentation change, please briefly describe what you've changed and why.

Does as it says on the tin! Should make things a bit easier for clients that don't provide an access token to the custom emojis endpoint.

Closes https://codeberg.org/superseriousbusiness/gotosocial/issues/2430

## Checklist

Please put an x inside each checkbox to indicate that you've read and followed it: `[ ]` -> `[x]`

If this is a documentation change, only the first checkbox must be filled (you can delete the others if you want).

- [x] I/we have read the [GoToSocial contribution guidelines](https://codeberg.org/superseriousbusiness/gotosocial/src/branch/main/CONTRIBUTING.md).
- [x] I/we have discussed the proposed changes already, either in an issue on the repository, or in the Matrix chat.
- [x] I/we have not leveraged AI to create the proposed changes.
- [x] I/we have performed a self-review of added code.
- [x] I/we have written code that is legible and maintainable by others.
- [x] I/we have commented the added code, particularly in hard-to-understand areas.
- [x] I/we have made any necessary changes to documentation.
- [ ] I/we have added tests that cover new code.
- [x] I/we have run tests and they pass locally with the changes.
- [x] I/we have run `go fmt ./...` and `golangci-lint run`.

Reviewed-on: https://codeberg.org/superseriousbusiness/gotosocial/pulls/4233
Reviewed-by: Daenney <daenney@noreply.codeberg.org>
Co-authored-by: tobi <tobi.smethurst@protonmail.com>
Co-committed-by: tobi <tobi.smethurst@protonmail.com>
2025-06-03 23:30:42 +02:00

290 lines
26 KiB
Go

// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package config
import (
"reflect"
"strings"
"time"
"code.superseriousbusiness.org/gotosocial/internal/language"
"codeberg.org/gruf/go-bytesize"
)
// cfgtype is the reflected type information of Configuration{}.
var cfgtype = reflect.TypeOf(Configuration{})
// fieldtag will fetch the string value for the given tag name
// on the given field name in the Configuration{} struct.
func fieldtag(field, tag string) string {
nextType := cfgtype
var sfield reflect.StructField
for _, field := range strings.Split(field, ".") {
var ok bool
sfield, ok = nextType.FieldByName(field)
if !ok {
panic("unknown struct field")
}
nextType = sfield.Type
}
return sfield.Tag.Get(tag)
}
// Configuration represents global GTS server runtime configuration.
//
// Please note that if you update this struct's fields or tags, you
// will need to regenerate the global Getter/Setter helpers by running:
// `go run ./internal/config/gen/ -out ./internal/config/helpers.gen.go`.
//
// You will need to have gofumpt installed in order for this to work:
// https://github.com/mvdan/gofumpt.
type Configuration struct {
LogLevel string `name:"log-level" usage:"Log level to run at: [trace, debug, info, warn, fatal]"`
LogTimestampFormat string `name:"log-timestamp-format" usage:"Format to use for the log timestamp, as supported by Go's time.Layout"`
LogDbQueries bool `name:"log-db-queries" usage:"Log database queries verbosely when log-level is trace or debug"`
LogClientIP bool `name:"log-client-ip" usage:"Include the client IP in logs"`
RequestIDHeader string `name:"request-id-header" usage:"Header to extract the Request ID from. Eg.,'X-Request-Id'."`
ConfigPath string `name:"config-path" usage:"Path to a file containing gotosocial configuration. Values set in this file will be overwritten by values set as env vars or arguments"`
ApplicationName string `name:"application-name" usage:"Name of the application, used in various places internally"`
LandingPageUser string `name:"landing-page-user" usage:"the user that should be shown on the instance's landing page"`
Host string `name:"host" usage:"Hostname to use for the server (eg., example.org, gotosocial.whatever.com). DO NOT change this on a server that's already run!"`
AccountDomain string `name:"account-domain" usage:"Domain to use in account names (eg., example.org, whatever.com). If not set, will default to the setting for host. DO NOT change this on a server that's already run!"`
Protocol string `name:"protocol" usage:"Protocol to use for the REST api of the server (only use http if you are debugging or behind a reverse proxy!)"`
BindAddress string `name:"bind-address" usage:"Bind address to use for the GoToSocial server (eg., 0.0.0.0, 172.138.0.9, [::], localhost). For ipv6, enclose the address in square brackets, eg [2001:db8::fed1]. Default binds to all interfaces."`
Port int `name:"port" usage:"Port to use for GoToSocial. Change this to 443 if you're running the binary directly on the host machine."`
TrustedProxies []string `name:"trusted-proxies" usage:"Proxies to trust when parsing x-forwarded headers into real IPs."`
SoftwareVersion string `name:"software-version" usage:""`
DbType string `name:"db-type" usage:"Database type: eg., postgres"`
DbAddress string `name:"db-address" usage:"Database ipv4 address, hostname, or filename"`
DbPort int `name:"db-port" usage:"Database port"`
DbUser string `name:"db-user" usage:"Database username"`
DbPassword string `name:"db-password" usage:"Database password"`
DbDatabase string `name:"db-database" usage:"Database name"`
DbTLSMode string `name:"db-tls-mode" usage:"Database tls mode"`
DbTLSCACert string `name:"db-tls-ca-cert" usage:"Path to CA cert for db tls connection"`
DbMaxOpenConnsMultiplier int `name:"db-max-open-conns-multiplier" usage:"Multiplier to use per cpu for max open database connections. 0 or less is normalized to 1."`
DbSqliteJournalMode string `name:"db-sqlite-journal-mode" usage:"Sqlite only: see https://www.sqlite.org/pragma.html#pragma_journal_mode"`
DbSqliteSynchronous string `name:"db-sqlite-synchronous" usage:"Sqlite only: see https://www.sqlite.org/pragma.html#pragma_synchronous"`
DbSqliteCacheSize bytesize.Size `name:"db-sqlite-cache-size" usage:"Sqlite only: see https://www.sqlite.org/pragma.html#pragma_cache_size"`
DbSqliteBusyTimeout time.Duration `name:"db-sqlite-busy-timeout" usage:"Sqlite only: see https://www.sqlite.org/pragma.html#pragma_busy_timeout"`
DbPostgresConnectionString string `name:"db-postgres-connection-string" usage:"Full Database URL for connection to postgres"`
WebTemplateBaseDir string `name:"web-template-base-dir" usage:"Basedir for html templating files for rendering pages and composing emails."`
WebAssetBaseDir string `name:"web-asset-base-dir" usage:"Directory to serve static assets from, accessible at example.org/assets/"`
InstanceFederationMode string `name:"instance-federation-mode" usage:"Set instance federation mode."`
InstanceFederationSpamFilter bool `name:"instance-federation-spam-filter" usage:"Enable basic spam filter heuristics for messages coming from other instances, and drop messages identified as spam"`
InstanceExposePeers bool `name:"instance-expose-peers" usage:"Allow unauthenticated users to query /api/v1/instance/peers?filter=open"`
InstanceExposeBlocklist bool `name:"instance-expose-blocklist" usage:"Expose list of blocked domains via web UI, and allow unauthenticated users to query /api/v1/instance/peers?filter=blocked and /api/v1/instance/domain_blocks"`
InstanceExposeBlocklistWeb bool `name:"instance-expose-blocklist-web" usage:"Expose list of explicitly blocked domains as webpage on /about/domain_blocks"`
InstanceExposeAllowlist bool `name:"instance-expose-allowlist" usage:"Expose list of allowed domains via web UI, and allow unauthenticated users to query /api/v1/instance/peers?filter=allowed and /api/v1/instance/domain_allows"`
InstanceExposeAllowlistWeb bool `name:"instance-expose-allowlist-web" usage:"Expose list of explicitly allowed domains as webpage on /about/domain_allows"`
InstanceExposePublicTimeline bool `name:"instance-expose-public-timeline" usage:"Allow unauthenticated users to query /api/v1/timelines/public"`
InstanceExposeCustomEmojis bool `name:"instance-expose-custom-emojis" usage:"Allow unauthenticated access to /api/v1/custom_emojis"`
InstanceDeliverToSharedInboxes bool `name:"instance-deliver-to-shared-inboxes" usage:"Deliver federated messages to shared inboxes, if they're available."`
InstanceInjectMastodonVersion bool `name:"instance-inject-mastodon-version" usage:"This injects a Mastodon compatible version in /api/v1/instance to help Mastodon clients that use that version for feature detection"`
InstanceLanguages language.Languages `name:"instance-languages" usage:"BCP47 language tags for the instance. Used to indicate the preferred languages of instance residents (in order from most-preferred to least-preferred)."`
InstanceSubscriptionsProcessFrom string `name:"instance-subscriptions-process-from" usage:"Time of day from which to start running instance subscriptions processing jobs. Should be in the format 'hh:mm:ss', eg., '15:04:05'."`
InstanceSubscriptionsProcessEvery time.Duration `name:"instance-subscriptions-process-every" usage:"Period to elapse between instance subscriptions processing jobs, starting from instance-subscriptions-process-from."`
InstanceStatsMode string `name:"instance-stats-mode" usage:"Allows you to customize the way stats are served to crawlers: one of '', 'serve', 'zero', 'baffle'. Home page stats remain unchanged."`
InstanceAllowBackdatingStatuses bool `name:"instance-allow-backdating-statuses" usage:"Allow local accounts to backdate statuses using the scheduled_at param to /api/v1/statuses"`
AccountsRegistrationOpen bool `name:"accounts-registration-open" usage:"Allow anyone to submit an account signup request. If false, server will be invite-only."`
AccountsReasonRequired bool `name:"accounts-reason-required" usage:"Do new account signups require a reason to be submitted on registration?"`
AccountsRegistrationDailyLimit int `name:"accounts-registration-daily-limit" usage:"Limit amount of approved account sign-ups allowed per 24hrs before registration is closed. 0 or less = no limit."`
AccountsRegistrationBacklogLimit int `name:"accounts-registration-backlog-limit" usage:"Limit how big the 'accounts pending approval' queue can grow before registration is closed. 0 or less = no limit."`
AccountsAllowCustomCSS bool `name:"accounts-allow-custom-css" usage:"Allow accounts to enable custom CSS for their profile pages and statuses."`
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')"`
StorageS3AccessKey string `name:"storage-s3-access-key" usage:"S3 Access Key"`
StorageS3SecretKey string `name:"storage-s3-secret-key" usage:"S3 Secret Key"`
StorageS3UseSSL bool `name:"storage-s3-use-ssl" usage:"Use SSL for S3 connections. Only set this to 'false' when testing locally"`
StorageS3BucketName string `name:"storage-s3-bucket" usage:"Place blobs in this bucket"`
StorageS3Proxy bool `name:"storage-s3-proxy" usage:"Proxy S3 contents through GoToSocial instead of redirecting to a presigned URL"`
StorageS3RedirectURL string `name:"storage-s3-redirect-url" usage:"Custom URL to use for redirecting S3 media links. If set, this will be used instead of the S3 bucket URL."`
StorageS3BucketLookup string `name:"storage-s3-bucket-lookup" usage:"S3 bucket lookup type to use. Can be 'auto', 'dns' or 'path'. Defaults to 'auto'."`
StorageS3KeyPrefix string `name:"storage-s3-key-prefix" usage:"Prefix to use for S3 keys. This is useful for separating multiple instances sharing the same S3 bucket."`
StatusesMaxChars int `name:"statuses-max-chars" usage:"Max permitted characters for posted statuses, including content warning"`
StatusesPollMaxOptions int `name:"statuses-poll-max-options" usage:"Max amount of options permitted on a poll"`
StatusesPollOptionMaxChars int `name:"statuses-poll-option-max-chars" usage:"Max amount of characters for a poll option"`
StatusesMediaMaxFiles int `name:"statuses-media-max-files" usage:"Maximum number of media files/attachments per status"`
LetsEncryptEnabled bool `name:"letsencrypt-enabled" usage:"Enable letsencrypt TLS certs for this server. If set to true, then cert dir also needs to be set (or take the default)."`
LetsEncryptPort int `name:"letsencrypt-port" usage:"Port to listen on for letsencrypt certificate challenges. Must not be the same as the GtS webserver/API port."`
LetsEncryptCertDir string `name:"letsencrypt-cert-dir" usage:"Directory to store acquired letsencrypt certificates."`
LetsEncryptEmailAddress string `name:"letsencrypt-email-address" usage:"Email address to use when requesting letsencrypt certs. Will receive updates on cert expiry etc."`
TLSCertificateChain string `name:"tls-certificate-chain" usage:"Filesystem path to the certificate chain including any intermediate CAs and the TLS public key"`
TLSCertificateKey string `name:"tls-certificate-key" usage:"Filesystem path to the TLS private key"`
OIDCEnabled bool `name:"oidc-enabled" usage:"Enabled OIDC authorization for this instance. If set to true, then the other OIDC flags must also be set."`
OIDCIdpName string `name:"oidc-idp-name" usage:"Name of the OIDC identity provider. Will be shown to the user when logging in."`
OIDCSkipVerification bool `name:"oidc-skip-verification" usage:"Skip verification of tokens returned by the OIDC provider. Should only be set to 'true' for testing purposes, never in a production environment!"`
OIDCIssuer string `name:"oidc-issuer" usage:"Address of the OIDC issuer. Should be the web address, including protocol, at which the issuer can be reached. Eg., 'https://example.org/auth'"`
OIDCClientID string `name:"oidc-client-id" usage:"ClientID of GoToSocial, as registered with the OIDC provider."`
OIDCClientSecret string `name:"oidc-client-secret" usage:"ClientSecret of GoToSocial, as registered with the OIDC provider."`
OIDCScopes []string `name:"oidc-scopes" usage:"OIDC scopes."`
OIDCLinkExisting bool `name:"oidc-link-existing" usage:"link existing user accounts to OIDC logins based on the stored email value"`
OIDCAllowedGroups []string `name:"oidc-allowed-groups" usage:"Membership of one of the listed groups allows access to GtS. If this is empty, all groups are allowed."`
OIDCAdminGroups []string `name:"oidc-admin-groups" usage:"Membership of one of the listed groups makes someone a GtS admin"`
TracingEnabled bool `name:"tracing-enabled" usage:"Enable OTLP Tracing"`
MetricsEnabled bool `name:"metrics-enabled" usage:"Enable OpenTelemetry based metrics support."`
SMTPHost string `name:"smtp-host" usage:"Host of the smtp server. Eg., 'smtp.eu.mailgun.org'"`
SMTPPort int `name:"smtp-port" usage:"Port of the smtp server. Eg., 587"`
SMTPUsername string `name:"smtp-username" usage:"Username to authenticate with the smtp server as. Eg., 'postmaster@mail.example.org'"`
SMTPPassword string `name:"smtp-password" usage:"Password to pass to the smtp server."`
SMTPFrom string `name:"smtp-from" usage:"Address to use as the 'from' field of the email. Eg., 'gotosocial@example.org'"`
SMTPDiscloseRecipients bool `name:"smtp-disclose-recipients" usage:"If true, email notifications sent to multiple recipients will be To'd to every recipient at once. If false, recipients will not be disclosed"`
SyslogEnabled bool `name:"syslog-enabled" usage:"Enable the syslog logging hook. Logs will be mirrored to the configured destination."`
SyslogProtocol string `name:"syslog-protocol" usage:"Protocol to use when directing logs to syslog. Leave empty to connect to local syslog."`
SyslogAddress string `name:"syslog-address" usage:"Address:port to send syslog logs to. Leave empty to connect to local syslog."`
// Advanced flags.
Advanced AdvancedConfig `name:"advanced"`
// HTTPClient configuration vars.
HTTPClient HTTPClientConfiguration `name:"http-client"`
// Cache configuration vars.
Cache CacheConfiguration `name:"cache"`
// TODO: move these elsewhere, these are more ephemeral vs long-running flags like above
AdminAccountUsername string `name:"username" usage:"the username to create/delete/etc" ephemeral:"yes"`
AdminAccountEmail string `name:"email" usage:"the email address of this account" ephemeral:"yes"`
AdminAccountPassword string `name:"password" usage:"the password to set for this account" ephemeral:"yes"`
AdminTransPath string `name:"path" usage:"the path of the file to import from/export to" ephemeral:"yes"`
AdminMediaPruneDryRun bool `name:"dry-run" usage:"perform a dry run and only log number of items eligible for pruning" ephemeral:"yes"`
AdminMediaListLocalOnly bool `name:"local-only" usage:"list only local attachments/emojis; if specified then remote-only cannot also be true" ephemeral:"yes"`
AdminMediaListRemoteOnly bool `name:"remote-only" usage:"list only remote attachments/emojis; if specified then local-only cannot also be true" ephemeral:"yes"`
}
type HTTPClientConfiguration struct {
AllowIPs []string `name:"allow-ips"`
BlockIPs []string `name:"block-ips"`
Timeout time.Duration `name:"timeout"`
TLSInsecureSkipVerify bool `name:"tls-insecure-skip-verify"`
InsecureOutgoing bool `name:"insecure-outgoing"`
}
type CacheConfiguration struct {
MemoryTarget bytesize.Size `name:"memory-target"`
AccountMemRatio float64 `name:"account-mem-ratio"`
AccountNoteMemRatio float64 `name:"account-note-mem-ratio"`
AccountSettingsMemRatio float64 `name:"account-settings-mem-ratio"`
AccountStatsMemRatio float64 `name:"account-stats-mem-ratio"`
ApplicationMemRatio float64 `name:"application-mem-ratio"`
BlockMemRatio float64 `name:"block-mem-ratio"`
BlockIDsMemRatio float64 `name:"block-ids-mem-ratio"`
BoostOfIDsMemRatio float64 `name:"boost-of-ids-mem-ratio"`
ClientMemRatio float64 `name:"client-mem-ratio"`
ConversationMemRatio float64 `name:"conversation-mem-ratio"`
ConversationLastStatusIDsMemRatio float64 `name:"conversation-last-status-ids-mem-ratio"`
DomainPermissionDraftMemRation float64 `name:"domain-permission-draft-mem-ratio"`
DomainPermissionSubscriptionMemRation float64 `name:"domain-permission-subscription-mem-ratio"`
EmojiMemRatio float64 `name:"emoji-mem-ratio"`
EmojiCategoryMemRatio float64 `name:"emoji-category-mem-ratio"`
FilterMemRatio float64 `name:"filter-mem-ratio"`
FilterKeywordMemRatio float64 `name:"filter-keyword-mem-ratio"`
FilterStatusMemRatio float64 `name:"filter-status-mem-ratio"`
FollowMemRatio float64 `name:"follow-mem-ratio"`
FollowIDsMemRatio float64 `name:"follow-ids-mem-ratio"`
FollowRequestMemRatio float64 `name:"follow-request-mem-ratio"`
FollowRequestIDsMemRatio float64 `name:"follow-request-ids-mem-ratio"`
FollowingTagIDsMemRatio float64 `name:"following-tag-ids-mem-ratio"`
InReplyToIDsMemRatio float64 `name:"in-reply-to-ids-mem-ratio"`
InstanceMemRatio float64 `name:"instance-mem-ratio"`
InteractionRequestMemRatio float64 `name:"interaction-request-mem-ratio"`
ListMemRatio float64 `name:"list-mem-ratio"`
ListIDsMemRatio float64 `name:"list-ids-mem-ratio"`
ListedIDsMemRatio float64 `name:"listed-ids-mem-ratio"`
MarkerMemRatio float64 `name:"marker-mem-ratio"`
MediaMemRatio float64 `name:"media-mem-ratio"`
MentionMemRatio float64 `name:"mention-mem-ratio"`
MoveMemRatio float64 `name:"move-mem-ratio"`
NotificationMemRatio float64 `name:"notification-mem-ratio"`
PollMemRatio float64 `name:"poll-mem-ratio"`
PollVoteMemRatio float64 `name:"poll-vote-mem-ratio"`
PollVoteIDsMemRatio float64 `name:"poll-vote-ids-mem-ratio"`
ReportMemRatio float64 `name:"report-mem-ratio"`
SinBinStatusMemRatio float64 `name:"sin-bin-status-mem-ratio"`
StatusMemRatio float64 `name:"status-mem-ratio"`
StatusBookmarkMemRatio float64 `name:"status-bookmark-mem-ratio"`
StatusBookmarkIDsMemRatio float64 `name:"status-bookmark-ids-mem-ratio"`
StatusEditMemRatio float64 `name:"status-edit-mem-ratio"`
StatusFaveMemRatio float64 `name:"status-fave-mem-ratio"`
StatusFaveIDsMemRatio float64 `name:"status-fave-ids-mem-ratio"`
TagMemRatio float64 `name:"tag-mem-ratio"`
ThreadMuteMemRatio float64 `name:"thread-mute-mem-ratio"`
TokenMemRatio float64 `name:"token-mem-ratio"`
TombstoneMemRatio float64 `name:"tombstone-mem-ratio"`
UserMemRatio float64 `name:"user-mem-ratio"`
UserMuteMemRatio float64 `name:"user-mute-mem-ratio"`
UserMuteIDsMemRatio float64 `name:"user-mute-ids-mem-ratio"`
WebfingerMemRatio float64 `name:"webfinger-mem-ratio"`
WebPushSubscriptionMemRatio float64 `name:"web-push-subscription-mem-ratio"`
WebPushSubscriptionIDsMemRatio float64 `name:"web-push-subscription-ids-mem-ratio"`
MutesMemRatio float64 `name:"mutes-mem-ratio"`
VisibilityMemRatio float64 `name:"visibility-mem-ratio"`
}
type AdvancedConfig struct {
CookiesSamesite string `name:"cookies-samesite" usage:"'strict' or 'lax', see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite"`
SenderMultiplier int `name:"sender-multiplier" usage:"Multiplier to use per cpu for batching outgoing fedi messages. 0 or less turns batching off (not recommended)."`
CSPExtraURIs []string `name:"csp-extra-uris" usage:"Additional URIs to allow when building content-security-policy for media + images."`
HeaderFilterMode string `name:"header-filter-mode" usage:"Set incoming request header filtering mode."`
RateLimit RateLimitConfig `name:"rate-limit"`
Throttling ThrottlingConfig `name:"throttling"`
ScraperDeterrence ScraperDeterrenceConfig `name:"scraper-deterrence"`
}
type RateLimitConfig struct {
Requests int `name:"requests" usage:"Amount of HTTP requests to permit within a 5 minute window. 0 or less turns rate limiting off."`
Exceptions IPPrefixes `name:"exceptions" usage:"Slice of CIDRs to exclude from rate limit restrictions."`
}
type ThrottlingConfig struct {
Multiplier int `name:"multiplier" usage:"Multiplier to use per cpu for http request throttling. 0 or less turns throttling off."`
RetryAfter time.Duration `name:"retry-after" usage:"Retry-After duration response to send for throttled requests."`
}
type ScraperDeterrenceConfig struct {
Enabled bool `name:"enabled" usage:"Enable proof-of-work based scraper deterrence on profile / status pages"`
Difficulty uint32 `name:"difficulty" usage:"The proof-of-work difficulty, which determines roughly how many hash-encode rounds required of each client."`
}