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34 lines
1.0 KiB
Go
34 lines
1.0 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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var networkArrowErrorPart = regexp.MustCompile(` (?:(?:[0-9]+\.){3}[0-9]+:[0-9]+(?:->)?)+`)
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// CleanNetworkAddressFromError checks whether an IP:Port->IP:port
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// information is contained in the error. This is checked by explicitly
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// sanitizing *net.OpError instances or by returning a sanitized error
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// string without the stack previously present.
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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 CleanNetworkAddressFromError(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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if networkArrowErrorPart.FindStringIndex(err.Error()) == nil {
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// There is no network address 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(networkArrowErrorPart.ReplaceAllString(err.Error(), ""))
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}
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