35 lines
664 B
Go
35 lines
664 B
Go
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package authorization
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import (
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"net"
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"strings"
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)
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// isIPMatching check whether user's IP is in one of the network ranges.
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func isIPMatching(ip net.IP, networks []string) bool {
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// If no network is provided in the rule, we match any network
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if len(networks) == 0 {
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return true
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}
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for _, network := range networks {
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if !strings.Contains(network, "/") {
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if ip.String() == network {
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return true
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}
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continue
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}
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_, ipNet, err := net.ParseCIDR(network)
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if err != nil {
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// TODO(c.michaud): make sure the rule is valid at startup to
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// to such a case here.
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continue
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}
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if ipNet.Contains(ip) {
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return true
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}
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}
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return false
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}
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