zrok/controller/limits/warningAction.go

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package limits
import (
"github.com/jmoiron/sqlx"
"github.com/openziti/zrok/controller/emailUi"
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"github.com/openziti/zrok/controller/store"
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"github.com/openziti/zrok/util"
"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
"time"
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)
type warningAction struct {
str *store.Store
cfg *emailUi.Config
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}
func newWarningAction(cfg *emailUi.Config, str *store.Store) *warningAction {
return &warningAction{str, cfg}
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}
func (a *warningAction) HandleAccount(acct *store.Account, rxBytes, txBytes int64, bwc store.BandwidthClass, _ *userLimits, _ *sqlx.Tx) error {
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logrus.Infof("warning '%v'", acct.Email)
if a.cfg != nil {
rxLimit := "(store.Unlimited bytes)"
if bwc.GetRxBytes() != store.Unlimited {
rxLimit = util.BytesToSize(bwc.GetRxBytes())
}
txLimit := "(store.Unlimited bytes)"
if bwc.GetTxBytes() != store.Unlimited {
txLimit = util.BytesToSize(bwc.GetTxBytes())
}
totalLimit := "(store.Unlimited bytes)"
if bwc.GetTotalBytes() != store.Unlimited {
totalLimit = util.BytesToSize(bwc.GetTotalBytes())
}
detail := newDetailMessage()
detail = detail.append("Your account has received %v and sent %v (for a total of %v), which has triggered a transfer limit warning.", util.BytesToSize(rxBytes), util.BytesToSize(txBytes), util.BytesToSize(rxBytes+txBytes))
detail = detail.append("This zrok instance only allows an account to receive %v, send %v, totalling not more than %v for each %v.", rxLimit, txLimit, totalLimit, time.Duration(bwc.GetPeriodMinutes())*time.Minute)
detail = detail.append("If you exceed the transfer limit, access to your shares will be temporarily disabled (until the last %v falls below the transfer limit)", time.Duration(bwc.GetPeriodMinutes())*time.Minute)
if err := sendLimitWarningEmail(a.cfg, acct.Email, detail); err != nil {
return errors.Wrapf(err, "error sending limit warning email to '%v'", acct.Email)
}
} else {
logrus.Warnf("skipping warning email for account limit; no email configuration specified")
}
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return nil
}