GoToSocial/internal/config/config.go

242 lines
20 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"
"time"
"codeberg.org/gruf/go-bytesize"
"github.com/mitchellh/mapstructure"
"github.com/superseriousbusiness/gotosocial/internal/language"
)
// 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 {
sfield, ok := cfgtype.FieldByName(field)
if !ok {
panic("unknown struct field")
}
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`
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"`
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"`
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"`
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"`
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."`
InstanceExposePeers bool `name:"instance-expose-peers" usage:"Allow unauthenticated users to query /api/v1/instance/peers?filter=open"`
InstanceExposeSuspended bool `name:"instance-expose-suspended" usage:"Expose suspended instances via web UI, and allow unauthenticated users to query /api/v1/instance/peers?filter=suspended"`
InstanceExposeSuspendedWeb bool `name:"instance-expose-suspended-web" usage:"Expose list of suspended instances as webpage on /about/suspended"`
InstanceExposePublicTimeline bool `name:"instance-expose-public-timeline" usage:"Allow unauthenticated users to query /api/v1/timelines/public"`
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)."`
AccountsRegistrationOpen bool `name:"accounts-registration-open" usage:"Allow anyone to submit an account signup request. If false, server will be invite-only."`
AccountsApprovalRequired bool `name:"accounts-approval-required" usage:"Do account signups require approval by an admin or moderator before user can log in? If false, new registrations will be automatically approved."`
AccountsReasonRequired bool `name:"accounts-reason-required" usage:"Do new account signups require a reason to be submitted on registration?"`
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."`
MediaImageMaxSize bytesize.Size `name:"media-image-max-size" usage:"Max size of accepted images in bytes"`
MediaVideoMaxSize bytesize.Size `name:"media-video-max-size" usage:"Max size of accepted videos in bytes"`
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."`
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."`
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"`
StatusesMaxChars int `name:"statuses-max-chars" usage:"Max permitted characters for posted statuses"`
StatusesCWMaxChars int `name:"statuses-cw-max-chars" usage:"Max permitted characters for content/spoiler warnings on statuses"`
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"`
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"`
TracingTransport string `name:"tracing-transport" usage:"grpc or http"`
TracingEndpoint string `name:"tracing-endpoint" usage:"Endpoint of your trace collector. Eg., 'localhost:4317' for gRPC, 'localhost:4318' for http"`
TracingInsecureTransport bool `name:"tracing-insecure-transport" usage:"Disable TLS for the gRPC or HTTP transport protocol"`
MetricsEnabled bool `name:"metrics-enabled" usage:"Enable OpenTelemetry based metrics support."`
MetricsAuthEnabled bool `name:"metrics-auth-enabled" usage:"Enable HTTP Basic Authentication for Prometheus metrics endpoint"`
MetricsAuthUsername string `name:"metrics-auth-username" usage:"Username for Prometheus metrics endpoint"`
MetricsAuthPassword string `name:"metrics-auth-password" usage:"Password for Prometheus metrics endpoint"`
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."`
AdvancedCookiesSamesite string `name:"advanced-cookies-samesite" usage:"'strict' or 'lax', see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite"`
AdvancedRateLimitRequests int `name:"advanced-rate-limit-requests" usage:"Amount of HTTP requests to permit within a 5 minute window. 0 or less turns rate limiting off."`
AdvancedRateLimitExceptions []string `name:"advanced-rate-limit-exceptions" usage:"Slice of CIDRs to exclude from rate limit restrictions."`
AdvancedThrottlingMultiplier int `name:"advanced-throttling-multiplier" usage:"Multiplier to use per cpu for http request throttling. 0 or less turns throttling off."`
AdvancedThrottlingRetryAfter time.Duration `name:"advanced-throttling-retry-after" usage:"Retry-After duration response to send for throttled requests."`
AdvancedSenderMultiplier int `name:"advanced-sender-multiplier" usage:"Multiplier to use per cpu for batching outgoing fedi messages. 0 or less turns batching off (not recommended)."`
AdvancedCSPExtraURIs []string `name:"advanced-csp-extra-uris" usage:"Additional URIs to allow when building content-security-policy for media + images."`
AdvancedHeaderFilterMode string `name:"advanced-header-filter-mode" usage:"Set incoming request header filtering mode."`
// 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"`
AdminAccountEmail string `name:"email" usage:"the email address of this account"`
AdminAccountPassword string `name:"password" usage:"the password to set for this account"`
AdminTransPath string `name:"path" usage:"the path of the file to import from/export to"`
AdminMediaPruneDryRun bool `name:"dry-run" usage:"perform a dry run and only log number of items eligible for pruning"`
AdminMediaListLocalOnly bool `name:"local-only" usage:"list only local attachments/emojis; if specified then remote-only cannot also be true"`
AdminMediaListRemoteOnly bool `name:"remote-only" usage:"list only remote attachments/emojis; if specified then local-only cannot also be true"`
RequestIDHeader string `name:"request-id-header" usage:"Header to extract the Request ID from. Eg.,'X-Request-Id'."`
}
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"`
}
type CacheConfiguration struct {
MemoryTarget bytesize.Size `name:"memory-target"`
AccountMemRatio float64 `name:"account-mem-ratio"`
AccountNoteMemRatio float64 `name:"account-note-mem-ratio"`
ApplicationMemRatio float64 `name:"application-mem-ratio"`
BlockMemRatio float64 `name:"block-mem-ratio"`
BlockIDsMemRatio float64 `name:"block-mem-ratio"`
BoostOfIDsMemRatio float64 `name:"boost-of-ids-mem-ratio"`
EmojiMemRatio float64 `name:"emoji-mem-ratio"`
EmojiCategoryMemRatio float64 `name:"emoji-category-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"`
InReplyToIDsMemRatio float64 `name:"in-reply-to-ids-mem-ratio"`
InstanceMemRatio float64 `name:"instance-mem-ratio"`
ListMemRatio float64 `name:"list-mem-ratio"`
ListEntryMemRatio float64 `name:"list-entry-mem-ratio"`
MarkerMemRatio float64 `name:"marker-mem-ratio"`
MediaMemRatio float64 `name:"media-mem-ratio"`
MentionMemRatio float64 `name:"mention-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"`
StatusMemRatio float64 `name:"status-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"`
TombstoneMemRatio float64 `name:"tombstone-mem-ratio"`
UserMemRatio float64 `name:"user-mem-ratio"`
WebfingerMemRatio float64 `name:"webfinger-mem-ratio"`
VisibilityMemRatio float64 `name:"visibility-mem-ratio"`
}
// MarshalMap will marshal current Configuration into a map structure (useful for JSON/TOML/YAML).
func (cfg *Configuration) MarshalMap() (map[string]interface{}, error) {
var dst map[string]interface{}
dec, _ := mapstructure.NewDecoder(&mapstructure.DecoderConfig{
TagName: "name",
Result: &dst,
})
if err := dec.Decode(cfg); err != nil {
return nil, err
}
return dst, nil
}