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Merge pull request #783 from gin-gonic/ip 

Update getClientIP()
This commit is contained in:
Javier Provecho Fernandez 2017-01-03 16:56:16 +01:00 committed by GitHub
parent 565e1e0c87 c115074d77
commit fd869845a3
2 changed files with 17 additions and 15 deletions
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11
context.go
View File

@ -349,13 +349,10 @@ func (c *Context) BindWith(obj interface{}, b binding.Binding) error {
// ClientIP implements a best effort algorithm to return the real client IP, it parses // ClientIP implements a best effort algorithm to return the real client IP, it parses
// X-Real-IP and X-Forwarded-For in order to work properly with reverse-proxies such us: nginx or haproxy. // X-Real-IP and X-Forwarded-For in order to work properly with reverse-proxies such us: nginx or haproxy.
// Use X-Forwarded-For before X-Real-Ip as nginx uses X-Real-Ip with the proxy's IP.
func (c *Context) ClientIP() string { func (c *Context) ClientIP() string {
if c.engine.ForwardedByClientIP { if c.engine.ForwardedByClientIP {
clientIP := strings.TrimSpace(c.requestHeader("X-Real-Ip")) clientIP := c.requestHeader("X-Forwarded-For")
if len(clientIP) > 0 {
return clientIP
}
clientIP = c.requestHeader("X-Forwarded-For")
if index := strings.IndexByte(clientIP, ','); index >= 0 { if index := strings.IndexByte(clientIP, ','); index >= 0 {
clientIP = clientIP[0:index] clientIP = clientIP[0:index]
} }
@ -363,6 +360,10 @@ func (c *Context) ClientIP() string {
if len(clientIP) > 0 { if len(clientIP) > 0 {
return clientIP return clientIP
} }
clientIP = strings.TrimSpace(c.requestHeader("X-Real-Ip"))
if len(clientIP) > 0 {
return clientIP
}
} }
if c.engine.AppEngine { if c.engine.AppEngine {

21
context_test.go
View File

@ -718,24 +718,25 @@ func TestContextClientIP(t *testing.T) {
c.Request.Header.Set("X-Appengine-Remote-Addr", "50.50.50.50") c.Request.Header.Set("X-Appengine-Remote-Addr", "50.50.50.50")
c.Request.RemoteAddr = " 40.40.40.40:42123 " c.Request.RemoteAddr = " 40.40.40.40:42123 "
assert.Equal(t, c.ClientIP(), "10.10.10.10") assert.Equal(t, "20.20.20.20", c.ClientIP())
c.Request.Header.Del("X-Real-IP")
assert.Equal(t, c.ClientIP(), "20.20.20.20")
c.Request.Header.Set("X-Forwarded-For", "30.30.30.30 ")
assert.Equal(t, c.ClientIP(), "30.30.30.30")
c.Request.Header.Del("X-Forwarded-For") c.Request.Header.Del("X-Forwarded-For")
assert.Equal(t, "10.10.10.10", c.ClientIP())
c.Request.Header.Set("X-Forwarded-For", "30.30.30.30 ")
assert.Equal(t, "30.30.30.30", c.ClientIP())
c.Request.Header.Del("X-Forwarded-For")
c.Request.Header.Del("X-Real-IP")
c.engine.AppEngine = true c.engine.AppEngine = true
assert.Equal(t, c.ClientIP(), "50.50.50.50") assert.Equal(t, "50.50.50.50", c.ClientIP())
c.Request.Header.Del("X-Appengine-Remote-Addr") c.Request.Header.Del("X-Appengine-Remote-Addr")
assert.Equal(t, c.ClientIP(), "40.40.40.40") assert.Equal(t, "40.40.40.40", c.ClientIP())
// no port // no port
c.Request.RemoteAddr = "50.50.50.50" c.Request.RemoteAddr = "50.50.50.50"
assert.Equal(t, c.ClientIP(), "") assert.Equal(t, "", c.ClientIP())
} }
func TestContextContentType(t *testing.T) { func TestContextContentType(t *testing.T) {