Commit eafbf0b2 authored by Matt Holt's avatar Matt Holt Committed by GitHub

Merge pull request #1474 from jtyr/jtyr-local_ip

Adding ServerIP context
parents c8514ad7 73d52490
...@@ -84,6 +84,29 @@ func (c Context) IP() string { ...@@ -84,6 +84,29 @@ func (c Context) IP() string {
return ip return ip
} }
// To mock the net.InterfaceAddrs from the test.
var networkInterfacesFn = net.InterfaceAddrs
// ServerIP gets the (local) IP address of the server.
// TODO: The bind directive should be honored in this method (see PR #1474).
func (c Context) ServerIP() string {
addrs, err := networkInterfacesFn()
if err != nil {
return ""
}
for _, address := range addrs {
// Validate the address and check if it's not a loopback
if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
if ipnet.IP.To4() != nil || ipnet.IP.To16() != nil {
return ipnet.IP.String()
}
}
}
return ""
}
// URI returns the raw, unprocessed request URI (including query // URI returns the raw, unprocessed request URI (including query
// string and hash) obtained directly from the Request-Line of // string and hash) obtained directly from the Request-Line of
// the HTTP request. // the HTTP request.
......
...@@ -4,6 +4,7 @@ import ( ...@@ -4,6 +4,7 @@ import (
"bytes" "bytes"
"fmt" "fmt"
"io/ioutil" "io/ioutil"
"net"
"net/http" "net/http"
"net/url" "net/url"
"os" "os"
...@@ -302,6 +303,44 @@ func TestIP(t *testing.T) { ...@@ -302,6 +303,44 @@ func TestIP(t *testing.T) {
} }
} }
type myIP string
func (ip myIP) mockInterfaces() ([]net.Addr, error) {
a := net.ParseIP(string(ip))
return []net.Addr{
&net.IPNet{IP: a, Mask: nil},
}, nil
}
func TestServerIP(t *testing.T) {
context := getContextOrFail(t)
tests := []string{
// Test 0 - ipv4
"1.1.1.1",
// Test 1 - ipv6
"2001:db8:a0b:12f0::1",
}
for i, expectedIP := range tests {
testPrefix := getTestPrefix(i)
// Mock the network interface
ip := myIP(expectedIP)
networkInterfacesFn = ip.mockInterfaces
defer func() {
networkInterfacesFn = net.InterfaceAddrs
}()
actualIP := context.ServerIP()
if actualIP != expectedIP {
t.Errorf("%sExpected IP \"%s\", found \"%s\".", testPrefix, expectedIP, actualIP)
}
}
}
func TestURL(t *testing.T) { func TestURL(t *testing.T) {
context := getContextOrFail(t) context := getContextOrFail(t)
......
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