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Knut Ahlers
49aba55cfe
in order not to log IPs (GDPR) and also to prevent spread of errors in Sentry logging as IP/Port combinations are unique per connection and therefore will spam with many unique errors. By removing the unique information from the error the errors should be groupable again. Signed-off-by: Knut Ahlers <knut@ahlers.me>
36 lines
1.1 KiB
Go
36 lines
1.1 KiB
Go
package helpers
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import (
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"errors"
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"net"
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"regexp"
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)
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// CleanOpError checks whether a *net.OpError is included in the error
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// and if so removes the included address information. This can happen
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// in two ways: If the passed error is indeed an OpError the address
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// info is just patched out. If the OpError is buried deeper inside
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// the wrapped error stack, a new error with patched message is created
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// sacrificing the wrapping and possible included stacktrace.
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//
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// As of the loss of information this is only intended to clean up
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// logging and not be used in error returns.
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func CleanOpError(err error) error {
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if opE, ok := err.(*net.OpError); ok {
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// Error in the outmost position is an OpError, lets just patch it
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opE.Source = nil
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opE.Addr = nil
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return opE
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}
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var opE *net.OpError
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if !errors.As(err, &opE) {
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// There is no OpError somewhere inside, keep the error as is
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return err
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}
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// Patch out IP information and create an new error with its message
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return errors.New(regexp.MustCompile(` (?:(?:[0-9]+\.){3}[0-9]+:[0-9]+(?:->)?)+`).
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ReplaceAllString(err.Error(), ""))
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}
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