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retriever_test.go
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retriever_test.go
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package traefik_real_ip_plugin
import (
"net"
"net/http"
"testing"
)
func TestHeaderRetriever_Retrieve(t *testing.T) {
retriever := &HeaderRetriever{
Header: "X-Forwarded-For",
}
t.Run("IPv4", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " 192.168.0.1 ")
expected := net.ParseIP("192.168.0.1")
ip := retriever.Retrieve(headers)
if ip == nil || !ip.Equal(expected) {
t.Errorf("Expected %v, but got %v", expected, ip)
}
})
t.Run("IPv4 with port", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " 192.168.0.1:9999 ")
expected := net.ParseIP("192.168.0.1")
ip := retriever.Retrieve(headers)
if ip == nil || !ip.Equal(expected) {
t.Errorf("Expected %v, but got %v", expected, ip)
}
})
t.Run("IPv6", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " 2001:0db8:85a3:0000:0000:8a2e:0370:7334 ")
expected := net.ParseIP("2001:0db8:85a3:0000:0000:8a2e:0370:7334")
ip := retriever.Retrieve(headers)
if ip == nil || !ip.Equal(expected) {
t.Errorf("Expected %v, but got %v", expected, ip)
}
})
t.Run("IPv6 with port", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " [2001:0db8:85a3:0000:0000:8a2e:0370:7334]:9999 ")
expected := net.ParseIP("2001:0db8:85a3:0000:0000:8a2e:0370:7334")
ip := retriever.Retrieve(headers)
if ip == nil || !ip.Equal(expected) {
t.Errorf("Expected %v, but got %v", expected, ip)
}
})
t.Run("invalid IP", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " 2.2.2 ")
ip := retriever.Retrieve(headers)
if ip != nil {
t.Errorf("Expected nil, but got %v", ip)
}
})
t.Run("invalid port", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " 192.168.0.1:99999 ")
ip := retriever.Retrieve(headers)
if ip != nil {
t.Errorf("Expected nil, but got %v", ip)
}
})
t.Run("multiple IPs", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " 192.168.0.1, 192.168.1.2 ")
ip := retriever.Retrieve(headers)
if ip != nil {
t.Errorf("Expected nil, but got %v", ip)
}
})
}
func TestDepthRetriever_Retrieve(t *testing.T) {
retriever := &DepthRetriever{
Header: "X-Forwarded-For",
Depth: 2,
}
t.Run("IPv4", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " 192.168.0.1, 192.168.1.2 ")
expected := net.ParseIP("192.168.0.1")
ip := retriever.Retrieve(headers)
if ip == nil || !ip.Equal(expected) {
t.Errorf("Expected %v, but got %v", expected, ip)
}
})
t.Run("IPv4 with port", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " 192.168.0.1:9999, 192.168.1.2 ")
expected := net.ParseIP("192.168.0.1")
ip := retriever.Retrieve(headers)
if ip == nil || !ip.Equal(expected) {
t.Errorf("Expected %v, but got %v", expected, ip)
}
})
t.Run("IPv6", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " 2001:0db8:85a3:0000:0000:8a2e:0370:7334, 2001:0db8:85a3:0000:0000:8a2e:0371:7335 ")
expected := net.ParseIP("2001:0db8:85a3:0000:0000:8a2e:0370:7334")
ip := retriever.Retrieve(headers)
if ip == nil || !ip.Equal(expected) {
t.Errorf("Expected %v, but got %v", expected, ip)
}
})
t.Run("IPv6 with port", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " [2001:0db8:85a3:0000:0000:8a2e:0370:7334]:9999, 2001:0db8:85a3:0000:0000:8a2e:0371:7335 ")
expected := net.ParseIP("2001:0db8:85a3:0000:0000:8a2e:0370:7334")
ip := retriever.Retrieve(headers)
if ip == nil || !ip.Equal(expected) {
t.Errorf("Expected %v, but got %v", expected, ip)
}
})
t.Run("invalid IP", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " 2.2.2, 192.168.1.2 ")
ip := retriever.Retrieve(headers)
if ip != nil {
t.Errorf("Expected nil, but got %v", ip)
}
})
t.Run("invalid port", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " 192.168.0.1:99999, 192.168.1.2 ")
ip := retriever.Retrieve(headers)
if ip != nil {
t.Errorf("Expected nil, but got %v", ip)
}
})
}
func TestExcludedCIDRRetriever_Retrieve(t *testing.T) {
retriever := &ExcludedCIDRRetriever{
Header: "X-Forwarded-For",
CIDRs: []*net.IPNet{
mustParseCIDR("192.168.1.0/24"),
mustParseCIDR("2001:0db8:85a3:0000:0000:8a2e:0371::/112"),
},
}
t.Run("IPv4", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " 192.168.0.1, 192.168.1.2 ")
expected := net.ParseIP("192.168.0.1")
ip := retriever.Retrieve(headers)
if ip == nil || !ip.Equal(expected) {
t.Errorf("Expected %v, but got %v", expected, ip)
}
})
t.Run("IPv4 with port", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " 192.168.0.1:9999, 192.168.1.2 ")
expected := net.ParseIP("192.168.0.1")
ip := retriever.Retrieve(headers)
if ip == nil || !ip.Equal(expected) {
t.Errorf("Expected %v, but got %v", expected, ip)
}
})
t.Run("IPv6", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " 2001:0db8:85a3:0000:0000:8a2e:0370:7334, 2001:0db8:85a3:0000:0000:8a2e:0371:7335 ")
expected := net.ParseIP("2001:0db8:85a3:0000:0000:8a2e:0370:7334")
ip := retriever.Retrieve(headers)
if ip == nil || !ip.Equal(expected) {
t.Errorf("Expected %v, but got %v", expected, ip)
}
})
t.Run("IPv6 with port", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " [2001:0db8:85a3:0000:0000:8a2e:0370:7334]:9999, 2001:0db8:85a3:0000:0000:8a2e:0371:7335 ")
expected := net.ParseIP("2001:0db8:85a3:0000:0000:8a2e:0370:7334")
ip := retriever.Retrieve(headers)
if ip == nil || !ip.Equal(expected) {
t.Errorf("Expected %v, but got %v", expected, ip)
}
})
t.Run("invalid IP", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " 2.2.2, 192.168.1.2 ")
ip := retriever.Retrieve(headers)
if ip != nil {
t.Errorf("Expected nil, but got %v", ip)
}
})
t.Run("invalid port", func(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", " 192.168.0.1:99999, 192.168.1.2 ")
ip := retriever.Retrieve(headers)
if ip != nil {
t.Errorf("Expected nil, but got %v", ip)
}
})
}
func mustParseCIDR(str string) *net.IPNet {
_, cidr, err := net.ParseCIDR(str)
if err != nil {
panic(err)
}
return cidr
}