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arikawa/gateway/identify.go

117 lines
2.9 KiB
Go

package gateway
import (
"context"
"runtime"
"time"
"github.com/pkg/errors"
"golang.org/x/time/rate"
)
// Identity is used as the default identity when initializing a new Gateway.
var Identity = IdentifyProperties{
OS: runtime.GOOS,
Browser: "Arikawa",
Device: "Arikawa",
}
// Presence is used as the default presence when initializing a new Gateway.
var Presence *UpdateStatusData
type IdentifyProperties struct {
// Required
OS string `json:"os"` // GOOS
Browser string `json:"browser"` // Arikawa
Device string `json:"device"` // Arikawa
// Optional
BrowserUserAgent string `json:"browser_user_agent,omitempty"`
BrowserVersion string `json:"browser_version,omitempty"`
OsVersion string `json:"os_version,omitempty"`
Referrer string `json:"referrer,omitempty"`
ReferringDomain string `json:"referring_domain,omitempty"`
}
type IdentifyData struct {
Token string `json:"token"`
Properties IdentifyProperties `json:"properties"`
Compress bool `json:"compress,omitempty"` // true
LargeThreshold uint `json:"large_threshold,omitempty"` // 50
GuildSubscriptions bool `json:"guild_subscriptions"` // true
Shard *Shard `json:"shard,omitempty"` // [ shard_id, num_shards ]
Presence *UpdateStatusData `json:"presence,omitempty"`
Intents Intents `json:"intents,omitempty"`
}
func (i *IdentifyData) SetShard(id, num int) {
if i.Shard == nil {
i.Shard = new(Shard)
}
i.Shard[0], i.Shard[1] = id, num
}
// Intents for the new Discord API feature, documented at
// https://discordapp.com/developers/docs/topics/gateway#gateway-intents.
type Intents uint32
const (
IntentGuilds Intents = 1 << iota
IntentGuildMembers
IntentGuildBans
IntentGuildEmojis
IntentGuildIntegrations
IntentGuildWebhooks
IntentGuildInvites
IntentGuildVoiceStates
IntentGuildPresences
IntentGuildMessages
IntentGuildMessageReactions
IntentGuildMessageTyping
IntentDirectMessages
IntentDirectMessageReactions
IntentDirectMessageTyping
)
type Identifier struct {
IdentifyData
IdentifyShortLimit *rate.Limiter `json:"-"`
IdentifyGlobalLimit *rate.Limiter `json:"-"`
}
func DefaultIdentifier(token string) *Identifier {
return NewIdentifier(IdentifyData{
Token: token,
Properties: Identity,
Shard: DefaultShard(),
Presence: Presence,
Compress: true,
LargeThreshold: 50,
GuildSubscriptions: true,
})
}
func NewIdentifier(data IdentifyData) *Identifier {
return &Identifier{
IdentifyData: data,
IdentifyShortLimit: rate.NewLimiter(rate.Every(5*time.Second), 1),
IdentifyGlobalLimit: rate.NewLimiter(rate.Every(24*time.Hour), 1000),
}
}
func (i *Identifier) Wait(ctx context.Context) error {
if err := i.IdentifyShortLimit.Wait(ctx); err != nil {
return errors.Wrap(err, "can't wait for short limit")
}
if err := i.IdentifyGlobalLimit.Wait(ctx); err != nil {
return errors.Wrap(err, "can't wait for global limit")
}
return nil
}