Files
podman/pkg/auth/auth_test.go
Daniel J Walsh 5736649eb8 Run codespell on code
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
2022-01-21 09:52:12 -05:00

422 lines
12 KiB
Go

package auth
import (
"encoding/base64"
"encoding/json"
"io/ioutil"
"net/http"
"os"
"testing"
"github.com/containers/image/v5/pkg/docker/config"
"github.com/containers/image/v5/types"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
const largeAuthFile = `{"auths":{
"docker.io/vendor": {"auth": "ZG9ja2VyOnZlbmRvcg=="},
"https://index.docker.io/v1": {"auth": "ZG9ja2VyOnRvcA=="},
"quay.io/libpod": {"auth": "cXVheTpsaWJwb2Q="},
"quay.io": {"auth": "cXVheTp0b3A="}
}}`
// Semantics of largeAuthFile
var largeAuthFileValues = map[string]types.DockerAuthConfig{
"docker.io/vendor": {Username: "docker", Password: "vendor"},
"docker.io": {Username: "docker", Password: "top"},
"quay.io/libpod": {Username: "quay", Password: "libpod"},
"quay.io": {Username: "quay", Password: "top"},
}
// systemContextForAuthFile returns a types.SystemContext with AuthFilePath pointing
// to a temporary file with fileContents, or nil if fileContents is empty; and a cleanup
// function the caller must arrange to call.
func systemContextForAuthFile(t *testing.T, fileContents string) (*types.SystemContext, func()) {
if fileContents == "" {
return nil, func() {}
}
f, err := ioutil.TempFile("", "auth.json")
require.NoError(t, err)
path := f.Name()
err = ioutil.WriteFile(path, []byte(fileContents), 0700)
require.NoError(t, err)
return &types.SystemContext{AuthFilePath: path}, func() { os.Remove(path) }
}
// Test that GetCredentials() correctly parses what MakeXRegistryConfigHeader() produces
func TestMakeXRegistryConfigHeaderGetCredentialsRoundtrip(t *testing.T) {
for _, tc := range []struct {
name string
fileContents string
username, password string
expectedOverride *types.DockerAuthConfig
expectedFileValues map[string]types.DockerAuthConfig
}{
{
name: "no data",
fileContents: "",
username: "",
password: "",
expectedOverride: nil,
expectedFileValues: nil,
},
{
name: "file data",
fileContents: largeAuthFile,
username: "",
password: "",
expectedOverride: nil,
expectedFileValues: largeAuthFileValues,
},
{
name: "file data + override",
fileContents: largeAuthFile,
username: "override-user",
password: "override-pass",
expectedOverride: &types.DockerAuthConfig{Username: "override-user", Password: "override-pass"},
expectedFileValues: largeAuthFileValues,
},
} {
sys, cleanup := systemContextForAuthFile(t, tc.fileContents)
defer cleanup()
headers, err := MakeXRegistryConfigHeader(sys, tc.username, tc.password)
require.NoError(t, err)
req, err := http.NewRequest(http.MethodPost, "/", nil)
require.NoError(t, err, tc.name)
for _, v := range headers.Values(xRegistryConfigHeader) {
req.Header.Add(xRegistryConfigHeader, v)
}
override, resPath, err := GetCredentials(req)
require.NoError(t, err, tc.name)
defer RemoveAuthfile(resPath)
if tc.expectedOverride == nil {
assert.Nil(t, override, tc.name)
} else {
require.NotNil(t, override, tc.name)
assert.Equal(t, *tc.expectedOverride, *override, tc.name)
}
for key, expectedAuth := range tc.expectedFileValues {
auth, err := config.GetCredentials(&types.SystemContext{AuthFilePath: resPath}, key)
require.NoError(t, err, tc.name)
assert.Equal(t, expectedAuth, auth, "%s, key %s", tc.name, key)
}
}
}
// Test that GetCredentials() correctly parses what MakeXRegistryAuthHeader() produces
func TestMakeXRegistryAuthHeaderGetCredentialsRoundtrip(t *testing.T) {
for _, tc := range []struct {
name string
fileContents string
username, password string
expectedOverride *types.DockerAuthConfig
expectedFileValues map[string]types.DockerAuthConfig
}{
{
name: "override",
fileContents: "",
username: "override-user",
password: "override-pass",
expectedOverride: &types.DockerAuthConfig{Username: "override-user", Password: "override-pass"},
expectedFileValues: nil,
},
{
name: "file data",
fileContents: largeAuthFile,
username: "",
password: "",
expectedFileValues: largeAuthFileValues,
},
} {
sys, cleanup := systemContextForAuthFile(t, tc.fileContents)
defer cleanup()
headers, err := MakeXRegistryAuthHeader(sys, tc.username, tc.password)
require.NoError(t, err)
req, err := http.NewRequest(http.MethodPost, "/", nil)
require.NoError(t, err, tc.name)
for _, v := range headers.Values(xRegistryAuthHeader) {
req.Header.Set(xRegistryAuthHeader, v)
}
override, resPath, err := GetCredentials(req)
require.NoError(t, err, tc.name)
defer RemoveAuthfile(resPath)
if tc.expectedOverride == nil {
assert.Nil(t, override, tc.name)
} else {
require.NotNil(t, override, tc.name)
assert.Equal(t, *tc.expectedOverride, *override, tc.name)
}
for key, expectedAuth := range tc.expectedFileValues {
auth, err := config.GetCredentials(&types.SystemContext{AuthFilePath: resPath}, key)
require.NoError(t, err, tc.name)
assert.Equal(t, expectedAuth, auth, "%s, key %s", tc.name, key)
}
}
}
func TestMakeXRegistryConfigHeader(t *testing.T) {
for _, tc := range []struct {
name string
fileContents string
username, password string
shouldErr bool
expectedContents string
}{
{
name: "no data",
fileContents: "",
username: "",
password: "",
expectedContents: "",
},
{
name: "invalid JSON",
fileContents: "@invalid JSON",
username: "",
password: "",
shouldErr: true,
},
{
name: "file data",
fileContents: largeAuthFile,
username: "",
password: "",
expectedContents: `{
"docker.io/vendor": {"username": "docker", "password": "vendor"},
"docker.io": {"username": "docker", "password": "top"},
"quay.io/libpod": {"username": "quay", "password": "libpod"},
"quay.io": {"username": "quay", "password": "top"}
}`,
},
{
name: "file data + override",
fileContents: largeAuthFile,
username: "override-user",
password: "override-pass",
expectedContents: `{
"docker.io/vendor": {"username": "docker", "password": "vendor"},
"docker.io": {"username": "docker", "password": "top"},
"quay.io/libpod": {"username": "quay", "password": "libpod"},
"quay.io": {"username": "quay", "password": "top"},
"": {"username": "override-user", "password": "override-pass"}
}`,
},
} {
sys, cleanup := systemContextForAuthFile(t, tc.fileContents)
defer cleanup()
res, err := MakeXRegistryConfigHeader(sys, tc.username, tc.password)
if tc.shouldErr {
assert.Error(t, err, tc.name)
} else {
require.NoError(t, err, tc.name)
if tc.expectedContents == "" {
assert.Empty(t, res, tc.name)
} else {
require.Len(t, res, 1, tc.name)
header, ok := res[xRegistryConfigHeader]
require.True(t, ok, tc.name)
decodedHeader, err := base64.URLEncoding.DecodeString(header[0])
require.NoError(t, err, tc.name)
// Don't test for a specific JSON representation, just for the expected contents.
expected := map[string]interface{}{}
actual := map[string]interface{}{}
err = json.Unmarshal([]byte(tc.expectedContents), &expected)
require.NoError(t, err, tc.name)
err = json.Unmarshal(decodedHeader, &actual)
require.NoError(t, err, tc.name)
assert.Equal(t, expected, actual, tc.name)
}
}
}
}
func TestMakeXRegistryAuthHeader(t *testing.T) {
for _, tc := range []struct {
name string
fileContents string
username, password string
shouldErr bool
expectedContents string
}{
{
name: "override",
fileContents: "",
username: "override-user",
password: "override-pass",
expectedContents: `{"username": "override-user", "password": "override-pass"}`,
},
{
name: "invalid JSON",
fileContents: "@invalid JSON",
username: "",
password: "",
shouldErr: true,
},
{
name: "file data",
fileContents: largeAuthFile,
username: "",
password: "",
expectedContents: `{
"docker.io/vendor": {"username": "docker", "password": "vendor"},
"docker.io": {"username": "docker", "password": "top"},
"quay.io/libpod": {"username": "quay", "password": "libpod"},
"quay.io": {"username": "quay", "password": "top"}
}`,
},
} {
sys, cleanup := systemContextForAuthFile(t, tc.fileContents)
defer cleanup()
res, err := MakeXRegistryAuthHeader(sys, tc.username, tc.password)
if tc.shouldErr {
assert.Error(t, err, tc.name)
} else {
require.NoError(t, err, tc.name)
if tc.expectedContents == "" {
assert.Empty(t, res, tc.name)
} else {
require.Len(t, res, 1, tc.name)
header, ok := res[xRegistryAuthHeader]
require.True(t, ok, tc.name)
decodedHeader, err := base64.URLEncoding.DecodeString(header[0])
require.NoError(t, err, tc.name)
// Don't test for a specific JSON representation, just for the expected contents.
expected := map[string]interface{}{}
actual := map[string]interface{}{}
err = json.Unmarshal([]byte(tc.expectedContents), &expected)
require.NoError(t, err, tc.name)
err = json.Unmarshal(decodedHeader, &actual)
require.NoError(t, err, tc.name)
assert.Equal(t, expected, actual, tc.name)
}
}
}
}
func TestAuthConfigsToAuthFile(t *testing.T) {
for _, tc := range []struct {
name string
server string
shouldErr bool
expectedContains string
}{
{
name: "empty auth configs",
server: "",
shouldErr: false,
expectedContains: "{}",
},
{
name: "registry with a namespace prefix",
server: "my-registry.local/username",
shouldErr: false,
expectedContains: `"my-registry.local/username":`,
},
{
name: "URLs are interpreted as full registries",
server: "http://my-registry.local/username",
shouldErr: false,
expectedContains: `"my-registry.local":`,
},
{
name: "the old-style docker registry URL is normalized",
server: "http://index.docker.io/v1/",
shouldErr: false,
expectedContains: `"docker.io":`,
},
{
name: "docker.io vendor namespace",
server: "docker.io/vendor",
shouldErr: false,
expectedContains: `"docker.io/vendor":`,
},
} {
configs := map[string]types.DockerAuthConfig{}
if tc.server != "" {
configs[tc.server] = types.DockerAuthConfig{}
}
filePath, err := authConfigsToAuthFile(configs)
if tc.shouldErr {
assert.Error(t, err)
assert.Empty(t, filePath)
} else {
assert.NoError(t, err)
content, err := ioutil.ReadFile(filePath)
require.NoError(t, err)
assert.Contains(t, string(content), tc.expectedContains)
os.Remove(filePath)
}
}
}
func TestParseSingleAuthHeader(t *testing.T) {
for _, tc := range []struct {
input string
shouldErr bool
expected types.DockerAuthConfig
}{
{
input: "", // An empty (or missing) header
expected: types.DockerAuthConfig{},
},
{
input: "null",
expected: types.DockerAuthConfig{},
},
// Invalid JSON
{input: "@", shouldErr: true},
// Success
{
input: base64.URLEncoding.EncodeToString([]byte(`{"username":"u1","password":"p1"}`)),
expected: types.DockerAuthConfig{Username: "u1", Password: "p1"},
},
} {
res, err := parseSingleAuthHeader(tc.input)
if tc.shouldErr {
assert.Error(t, err, tc.input)
} else {
require.NoError(t, err, tc.input)
assert.Equal(t, tc.expected, res, tc.input)
}
}
}
func TestParseMultiAuthHeader(t *testing.T) {
for _, tc := range []struct {
input string
shouldErr bool
expected map[string]types.DockerAuthConfig
}{
// Empty header
{input: "", expected: nil},
// "null"
{input: "null", expected: nil},
// Invalid JSON
{input: "@", shouldErr: true},
// Success
{
input: base64.URLEncoding.EncodeToString([]byte(
`{"https://index.docker.io/v1/":{"username":"u1","password":"p1"},` +
`"quay.io/libpod":{"username":"u2","password":"p2"}}`)),
expected: map[string]types.DockerAuthConfig{
"https://index.docker.io/v1/": {Username: "u1", Password: "p1"},
"quay.io/libpod": {Username: "u2", Password: "p2"},
},
},
} {
res, err := parseMultiAuthHeader(tc.input)
if tc.shouldErr {
assert.Error(t, err, tc.input)
} else {
require.NoError(t, err, tc.input)
assert.Equal(t, tc.expected, res, tc.input)
}
}
}