forked from juju/utils
/
http_test.go
195 lines (171 loc) · 5.52 KB
/
http_test.go
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// Copyright 2013 Canonical Ltd.
// Licensed under the LGPLv3, see LICENCE file for details.
package utils_test
import (
"encoding/base64"
"net"
"net/http"
"net/http/httptest"
"os"
"strings"
"github.com/juju/testing"
jc "github.com/juju/testing/checkers"
gc "gopkg.in/check.v1"
"github.com/juju/utils"
)
func init() {
// The default Proxy implementation for HTTP transports,
// ProxyFromEnvironment, uses a sync.Once in Go 1.3 onwards.
// No tests should be dialing out, so no proxy should be
// used.
os.Setenv("http_proxy", "")
os.Setenv("HTTP_PROXY", "")
}
type httpSuite struct {
testing.IsolationSuite
Server *httptest.Server
}
var _ = gc.Suite(&httpSuite{})
func (s *httpSuite) SetUpTest(c *gc.C) {
s.IsolationSuite.SetUpTest(c)
// NewTLSServer returns a server which serves TLS, but
// its certificates are not validated by the default
// OS certificates, so any HTTPS request will fail
// unless a non-validating client is used.
s.Server = httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {}))
}
func (s *httpSuite) TearDownTest(c *gc.C) {
if s.Server != nil {
s.Server.Close()
}
s.IsolationSuite.TearDownTest(c)
}
func (s *httpSuite) TestDefaultClientFails(c *gc.C) {
_, err := http.Get(s.Server.URL)
c.Assert(err, gc.ErrorMatches, "(.|\n)*x509: certificate signed by unknown authority")
}
func (s *httpSuite) TestValidatingClientGetter(c *gc.C) {
client := utils.GetValidatingHTTPClient()
_, err := client.Get(s.Server.URL)
c.Assert(err, gc.ErrorMatches, "(.|\n)*x509: certificate signed by unknown authority")
client1 := utils.GetValidatingHTTPClient()
c.Assert(client1, gc.Not(gc.Equals), client)
}
func (s *httpSuite) TestNonValidatingClientGetter(c *gc.C) {
client := utils.GetNonValidatingHTTPClient()
resp, err := client.Get(s.Server.URL)
c.Assert(err, gc.IsNil)
resp.Body.Close()
c.Assert(resp.StatusCode, gc.Equals, http.StatusOK)
client1 := utils.GetNonValidatingHTTPClient()
c.Assert(client1, gc.Not(gc.Equals), client)
}
func (s *httpSuite) TestBasicAuthHeader(c *gc.C) {
header := utils.BasicAuthHeader("eric", "sekrit")
c.Assert(len(header), gc.Equals, 1)
auth := header.Get("Authorization")
fields := strings.Fields(auth)
c.Assert(len(fields), gc.Equals, 2)
basic, encoded := fields[0], fields[1]
c.Assert(basic, gc.Equals, "Basic")
decoded, err := base64.StdEncoding.DecodeString(encoded)
c.Assert(err, gc.IsNil)
c.Assert(string(decoded), gc.Equals, "eric:sekrit")
}
func (s *httpSuite) TestParseBasicAuthHeader(c *gc.C) {
tests := []struct {
about string
h http.Header
expectUserid string
expectPassword string
expectError string
}{{
about: "no Authorization header",
h: http.Header{},
expectError: "invalid or missing HTTP auth header",
}, {
about: "empty Authorization header",
h: http.Header{
"Authorization": {""},
},
expectError: "invalid or missing HTTP auth header",
}, {
about: "Not basic encoding",
h: http.Header{
"Authorization": {"NotBasic stuff"},
},
expectError: "invalid or missing HTTP auth header",
}, {
about: "invalid base64",
h: http.Header{
"Authorization": {"Basic not-base64"},
},
expectError: "invalid HTTP auth encoding",
}, {
about: "no ':'",
h: http.Header{
"Authorization": {"Basic " + base64.StdEncoding.EncodeToString([]byte("aladdin"))},
},
expectError: "invalid HTTP auth contents",
}, {
about: "valid credentials",
h: http.Header{
"Authorization": {"Basic " + base64.StdEncoding.EncodeToString([]byte("aladdin:open sesame"))},
},
expectUserid: "aladdin",
expectPassword: "open sesame",
}}
for i, test := range tests {
c.Logf("test %d: %s", i, test.about)
u, p, err := utils.ParseBasicAuthHeader(test.h)
c.Assert(u, gc.Equals, test.expectUserid)
c.Assert(p, gc.Equals, test.expectPassword)
if test.expectError != "" {
c.Assert(err.Error(), gc.Equals, test.expectError)
} else {
c.Assert(err, gc.IsNil)
}
}
}
type dialSuite struct {
testing.IsolationSuite
}
var _ = gc.Suite(&dialSuite{})
func (s *dialSuite) TestDialRejectsNonLocal(c *gc.C) {
s.PatchValue(&utils.OutgoingAccessAllowed, false)
_, err := utils.Dial("tcp", "10.0.0.1:80")
c.Assert(err, gc.ErrorMatches, `access to address "10.0.0.1:80" not allowed`)
_, err = utils.Dial("tcp", "somehost:80")
c.Assert(err, gc.ErrorMatches, `access to address "somehost:80" not allowed`)
}
func (s *dialSuite) assertDial(c *gc.C, addr string) {
dialed := false
s.PatchValue(utils.NetDial, func(network, addr string) (net.Conn, error) {
c.Assert(network, gc.Equals, "tcp")
c.Assert(addr, gc.Equals, addr)
dialed = true
return nil, nil
})
_, err := utils.Dial("tcp", addr)
c.Assert(err, gc.IsNil)
c.Assert(dialed, jc.IsTrue)
}
func (s *dialSuite) TestDialAllowsNonLocal(c *gc.C) {
s.PatchValue(&utils.OutgoingAccessAllowed, true)
s.assertDial(c, "10.0.0.1:80")
}
func (s *dialSuite) TestDialAllowsLocal(c *gc.C) {
s.PatchValue(&utils.OutgoingAccessAllowed, false)
s.assertDial(c, "127.0.0.1:1234")
s.assertDial(c, "localhost:1234")
}
func (s *dialSuite) TestInsecureClientNoAccess(c *gc.C) {
s.PatchValue(&utils.OutgoingAccessAllowed, false)
_, err := utils.GetNonValidatingHTTPClient().Get("http://10.0.0.1:1234")
c.Assert(err, gc.ErrorMatches, `.*access to address "10.0.0.1:1234" not allowed`)
}
func (s *dialSuite) TestSecureClientNoAccess(c *gc.C) {
s.PatchValue(&utils.OutgoingAccessAllowed, false)
_, err := utils.GetValidatingHTTPClient().Get("http://10.0.0.1:1234")
c.Assert(err, gc.ErrorMatches, `.*access to address "10.0.0.1:1234" not allowed`)
}