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REALITY: Add rate limiting to fallback handling via token bucket (#4553)
https://github.com/XTLS/REALITY/pull/12
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@ -486,6 +486,12 @@ func (c *TLSConfig) Build() (proto.Message, error) {
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return config, nil
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}
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type LimitFallback struct {
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AfterBytes uint64
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BytesPerSec uint64
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BurstBytesPerSec uint64
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}
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type REALITYConfig struct {
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MasterKeyLog string `json:"masterKeyLog"`
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Show bool `json:"show"`
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@ -500,6 +506,9 @@ type REALITYConfig struct {
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MaxTimeDiff uint64 `json:"maxTimeDiff"`
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ShortIds []string `json:"shortIds"`
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LimitFallbackUpload LimitFallback `json:"limitFallbackUpload"`
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LimitFallbackDownload LimitFallback `json:"limitFallbackDownload"`
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Fingerprint string `json:"fingerprint"`
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ServerName string `json:"serverName"`
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Password string `json:"password"`
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@ -600,6 +609,15 @@ func (c *REALITYConfig) Build() (proto.Message, error) {
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config.Xver = c.Xver
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config.ServerNames = c.ServerNames
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config.MaxTimeDiff = c.MaxTimeDiff
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config.LimitFallbackUpload = new(reality.LimitFallback)
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config.LimitFallbackUpload.AfterBytes = c.LimitFallbackUpload.AfterBytes
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config.LimitFallbackUpload.BytesPerSec = c.LimitFallbackUpload.BytesPerSec
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config.LimitFallbackUpload.BurstBytesPerSec = c.LimitFallbackUpload.BurstBytesPerSec
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config.LimitFallbackDownload = new(reality.LimitFallback)
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config.LimitFallbackDownload.AfterBytes = c.LimitFallbackDownload.AfterBytes
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config.LimitFallbackDownload.BytesPerSec = c.LimitFallbackDownload.BytesPerSec
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config.LimitFallbackDownload.BurstBytesPerSec = c.LimitFallbackDownload.BurstBytesPerSec
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} else {
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config.Fingerprint = strings.ToLower(c.Fingerprint)
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if config.Fingerprint == "unsafe" || config.Fingerprint == "hellogolang" {
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