1 files changed, 120 insertions, 0 deletions
diff --git a/services/httpservice/client_test.go b/services/httpservice/client_test.go
new file mode 100644
index 000000000..ceb133140
--- /dev/null
+++ b/services/httpservice/client_test.go
@@ -0,0 +1,120 @@
+// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package httpservice
+
+import (
+	"context"
+	"fmt"
+	"io/ioutil"
+	"net"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"testing"
+)
+
+func TestHTTPClient(t *testing.T) {
+	for _, allowInternal := range []bool{true, false} {
+		c := NewHTTPClient(false, func(_ string) bool { return false }, func(ip net.IP) bool { return allowInternal || !IsReservedIP(ip) })
+		for _, tc := range []struct {
+			URL        string
+			IsInternal bool
+		}{
+			{
+				URL:        "https://google.com",
+				IsInternal: false,
+			},
+			{
+				URL:        "https://127.0.0.1",
+				IsInternal: true,
+			},
+		} {
+			_, err := c.Get(tc.URL)
+			if !tc.IsInternal {
+				if err != nil {
+					t.Fatal("google is down?")
+				}
+			} else {
+				allowed := !tc.IsInternal || allowInternal
+				success := err == nil
+				switch e := err.(type) {
+				case *net.OpError:
+					success = e.Err != AddressForbidden
+				case *url.Error:
+					success = e.Err != AddressForbidden
+				}
+				if success != allowed {
+					t.Fatalf("failed for %v. allowed: %v, success %v", tc.URL, allowed, success)
+				}
+			}
+		}
+	}
+}
+
+func TestHTTPClientWithProxy(t *testing.T) {
+	proxy := createProxyServer()
+	defer proxy.Close()
+
+	c := NewHTTPClient(true, nil, nil)
+	purl, _ := url.Parse(proxy.URL)
+	c.Transport.(*http.Transport).Proxy = http.ProxyURL(purl)
+
+	resp, err := c.Get("http://acme.com")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer resp.Body.Close()
+
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if string(body) != "proxy" {
+		t.FailNow()
+	}
+}
+
+func createProxyServer() *httptest.Server {
+	return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(200)
+		w.Header().Set("Content-Type", "text/plain; charset=us-ascii")
+		fmt.Fprint(w, "proxy")
+	}))
+}
+
+func TestDialContextFilter(t *testing.T) {
+	for _, tc := range []struct {
+		Addr    string
+		IsValid bool
+	}{
+		{
+			Addr:    "google.com:80",
+			IsValid: true,
+		},
+		{
+			Addr:    "8.8.8.8:53",
+			IsValid: true,
+		},
+		{
+			Addr: "127.0.0.1:80",
+		},
+		{
+			Addr:    "10.0.0.1:80",
+			IsValid: true,
+		},
+	} {
+		didDial := false
+		filter := dialContextFilter(func(ctx context.Context, network, addr string) (net.Conn, error) {
+			didDial = true
+			return nil, nil
+		}, func(host string) bool { return host == "10.0.0.1" }, func(ip net.IP) bool { return !IsReservedIP(ip) })
+		_, err := filter(context.Background(), "", tc.Addr)
+		switch {
+		case tc.IsValid == (err == AddressForbidden) || (err != nil && err != AddressForbidden):
+			t.Errorf("unexpected err for %v (%v)", tc.Addr, err)
+		case tc.IsValid != didDial:
+			t.Errorf("unexpected didDial for %v", tc.Addr)
+		}
+	}
+}