298 lines
7.4 KiB
Go
298 lines
7.4 KiB
Go
package config
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import (
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"bytes"
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"encoding/json"
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"html/template"
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"os"
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"git.kirsle.net/apps/barertc/pkg/log"
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"github.com/BurntSushi/toml"
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"github.com/google/uuid"
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)
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// Version of the config format - when new fields are added, it will attempt
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// to write the settings.toml to disk so new defaults populate.
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var currentVersion = 15
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// Config for your BareRTC app.
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type Config struct {
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Version int // will re-save your settings.toml on migrations
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JWT struct {
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Enabled bool
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Strict bool
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SecretKey string
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LandingPageURL string
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}
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Title string
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Branding string
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WebsiteURL string
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CORSHosts []string
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AdminAPIKey string
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PermitNSFW bool
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BlockableAdmins bool
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UseXForwardedFor bool
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WebSocketReadLimit int64
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WebSocketSendTimeout int
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MaxImageWidth int
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PreviewImageWidth int
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TURN TurnConfig
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PublicChannels []Channel
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WebhookURLs []WebhookURL
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VIP VIP
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MessageFilters []*MessageFilter
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ModerationRule []*ModerationRule
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DirectMessageHistory DirectMessageHistory
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Strings Strings
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Logging Logging
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}
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type TurnConfig struct {
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URLs []string
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Username string
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Credential string
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}
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type VIP struct {
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Name string
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Branding string
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Icon string
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MutuallySecret bool
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}
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type DirectMessageHistory struct {
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Enabled bool
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SQLiteDatabase string
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RetentionDays int
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DisclaimerMessage string
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}
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// GetChannels returns a JavaScript safe array of the default PublicChannels.
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func (c Config) GetChannels() template.JS {
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data, _ := json.Marshal(c.PublicChannels)
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return template.JS(data)
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}
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// GetChannel looks up and returns a channel by ID.
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func (c Config) GetChannel(id string) (Channel, bool) {
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for _, ch := range c.PublicChannels {
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if ch.ID == id {
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return ch, true
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}
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}
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return Channel{}, false
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}
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// Channel config for a default public room.
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type Channel struct {
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ID string // Like "lobby"
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Name string // Like "Main Chat Room"
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Icon string `toml:",omitempty"` // CSS class names for room icon (optional)
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VIP bool // For VIP users only
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PermitPhotos bool // photos are allowed to be shared
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// ChatServer messages to send to the user immediately upon connecting.
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WelcomeMessages []string
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}
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// WebhookURL allows tighter integration with your website.
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type WebhookURL struct {
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Name string
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Enabled bool
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URL string
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}
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// Strings config for customizing certain user-facing messaging around the app.
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type Strings struct {
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ModRuleErrorCameraAlwaysNSFW string
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ModRuleErrorNoBroadcast string
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ModRuleErrorNoVideo string
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ModRuleErrorNoImage string
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}
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// Logging configs to monitor channels or usernames.
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type Logging struct {
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Enabled bool
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Directory string
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Channels []string
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Usernames []string
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}
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// ModerationRule applies certain rules to moderate specific users.
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type ModerationRule struct {
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Username string
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CameraAlwaysNSFW bool
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NoBroadcast bool
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NoVideo bool
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NoImage bool
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}
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// Current loaded configuration.
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var Current = DefaultConfig()
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// DefaultConfig returns sensible defaults and will write the initial
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// settings.toml file to disk.
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func DefaultConfig() Config {
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var c = Config{
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Title: "BareRTC",
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Branding: "BareRTC",
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WebsiteURL: "https://www.example.com",
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AdminAPIKey: uuid.New().String(),
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CORSHosts: []string{
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"https://www.example.com",
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},
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WebSocketReadLimit: 1024 * 1024 * 40, // 40 MB.
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WebSocketSendTimeout: 10, // seconds
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MaxImageWidth: 1280,
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PreviewImageWidth: 360,
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PublicChannels: []Channel{
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{
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ID: "lobby",
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Name: "Lobby",
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WelcomeMessages: []string{
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"Welcome to the chat server!",
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"Please follow the basic rules:\n\n1. Have fun\n2. Be kind",
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},
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},
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{
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ID: "offtopic",
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Name: "Off Topic",
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WelcomeMessages: []string{
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"Welcome to the Off Topic channel!",
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},
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PermitPhotos: true,
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},
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{
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ID: "vip",
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Name: "VIPs Only",
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VIP: true,
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PermitPhotos: true,
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WelcomeMessages: []string{
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"This channel is only for operators and VIPs.",
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},
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},
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},
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TURN: TurnConfig{
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URLs: []string{
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"stun:stun.l.google.com:19302",
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},
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},
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WebhookURLs: []WebhookURL{
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{
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Name: "report",
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URL: "https://example.com/barertc/report",
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},
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{
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Name: "profile",
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URL: "https://example.com/barertc/user-profile",
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},
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},
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VIP: VIP{
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Name: "VIP",
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Branding: "<em>VIP Members</em>",
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Icon: "fa fa-circle",
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},
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MessageFilters: []*MessageFilter{
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{
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PublicChannels: true,
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PrivateChannels: true,
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KeywordPhrases: []string{
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`\bswear words\b`,
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`\b(swearing|cursing)\b`,
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`suck my ([^\s]+)`,
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},
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CensorMessage: true,
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ChatServerResponse: "Watch your language.",
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},
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},
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ModerationRule: []*ModerationRule{
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{
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Username: "example",
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},
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},
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Strings: Strings{
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ModRuleErrorCameraAlwaysNSFW: "A chat server moderation rule is currently in place which forces your camera to stay marked as Explicit. Please contact a chat moderator if you have any questions about this.",
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ModRuleErrorNoBroadcast: "A chat server moderation rule is currently in place which restricts your ability to share your webcam. Please contact a chat operator for more information.",
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ModRuleErrorNoVideo: "A chat server moderation rule is currently in place which restricts your ability to watch webcams. Please contact a chat operator for more information.",
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ModRuleErrorNoImage: "A chat server moderation rule is currently in place which restricts your ability to share images. Please contact a chat operator for more information.",
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},
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DirectMessageHistory: DirectMessageHistory{
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Enabled: false,
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SQLiteDatabase: "database.sqlite",
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RetentionDays: 90,
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DisclaimerMessage: `<i class="fa fa-info-circle mr-1"></i> <strong>Reminder:</strong> please conduct yourself honorably in Direct Messages.`,
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},
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Logging: Logging{
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Directory: "./logs",
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Channels: []string{"lobby", "offtopic"},
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Usernames: []string{},
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},
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}
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c.JWT.Strict = true
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return c
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}
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// LoadSettings reads a settings.toml from disk if available.
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func LoadSettings() error {
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data, err := os.ReadFile("./settings.toml")
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if err != nil {
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// Settings file didn't exist, create the default one.
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if os.IsNotExist(err) {
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WriteSettings()
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return nil
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}
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return err
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}
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_, err = toml.Decode(string(data), &Current)
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if err != nil {
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return err
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}
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// Have we added new config fields? Save the settings.toml.
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if Current.Version != currentVersion {
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log.Warn("New options are available for your settings.toml file. Your settings will be re-saved now.")
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Current.Version = currentVersion
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if err := WriteSettings(); err != nil {
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log.Error("Couldn't write your settings.toml file: %s", err)
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}
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}
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return err
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}
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// WriteSettings will commit the settings.toml to disk.
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func WriteSettings() error {
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log.Error("Note: initial settings.toml was written to disk.")
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var buf = new(bytes.Buffer)
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err := toml.NewEncoder(buf).Encode(Current)
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if err != nil {
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return err
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}
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return os.WriteFile("./settings.toml", buf.Bytes(), 0644)
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}
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// GetModerationRule returns a matching ModerationRule for the given user, or nil if no rule is found.
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func (c Config) GetModerationRule(username string) *ModerationRule {
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for _, rule := range c.ModerationRule {
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if rule.Username == username {
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return rule
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}
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}
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return nil
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}
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