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Prevent loop if there is an error in GetNotificationCount (#19799)
If the context is cancelled `.NotificationUnreadCount` in a template can cause an infinite loop with `ctx.ServerError()` being called, which creates a template that then calls `.NotificationUnreadCount` calling `GetNotificationCount()` with the cancelled context resulting in an error that calls `ctx.ServerError`... and so on... This PR simply stops calling `ctx.ServerError` in the error handler code for `.NotificationUnreadCount` as we have already started rendering and so it is too late to call `ctx.ServerError`. Additionally we skip logging the error if it's a context cancelled error. Fix #19793 Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: techknowlogick <techknowlogick@gitea.io>
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@ -5,6 +5,7 @@
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package user
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import (
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goctx "context"
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"errors"
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"fmt"
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"net/http"
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@ -14,6 +15,7 @@ import (
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/base"
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"code.gitea.io/gitea/modules/context"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/structs"
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)
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@ -36,7 +38,9 @@ func GetNotificationCount(c *context.Context) {
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c.Data["NotificationUnreadCount"] = func() int64 {
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count, err := models.GetNotificationCount(c, c.Doer, models.NotificationStatusUnread)
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if err != nil {
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c.ServerError("GetNotificationCount", err)
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if err != goctx.Canceled {
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log.Error("Unable to GetNotificationCount for user:%-v: %v", c.Doer, err)
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}
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return -1
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}
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