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SecretSource.Value should be plain text in memory

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This commit is contained in:
Joel Speed 2020-11-19 19:58:50 +00:00
parent d587030019
commit 5b003a5657
No known key found for this signature in database
GPG Key ID: 6E80578D6751DEFB
9 changed files with 20 additions and 52 deletions
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4
oauthproxy_test.go
View File

@ -515,7 +515,7 @@ func TestBasicAuthPassword(t *testing.T) {
ClaimSource: &options.ClaimSource{
Claim: "email",
BasicAuthPassword: &options.SecretSource{
Value: []byte(base64.StdEncoding.EncodeToString([]byte(basicAuthPassword))),
Value: []byte(basicAuthPassword),
},
},
},
@ -1408,7 +1408,7 @@ func TestAuthOnlyEndpointSetBasicAuthTrueRequestHeaders(t *testing.T) {
ClaimSource: &options.ClaimSource{
Claim: "user",
BasicAuthPassword: &options.SecretSource{
Value: []byte(base64.StdEncoding.EncodeToString([]byte("This is a secure password"))),
Value: []byte("This is a secure password"),
},
},
},

3
pkg/apis/options/legacy_options.go
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@ -1,7 +1,6 @@
package options
import (
"encoding/base64"
"fmt"
"net/url"
"strconv"
@ -235,7 +234,7 @@ func getBasicAuthHeader(preferEmailToUser bool, basicAuthPassword string) Header
Claim: claim,
Prefix: "Basic ",
BasicAuthPassword: &SecretSource{
Value: []byte(base64.StdEncoding.EncodeToString([]byte(basicAuthPassword))),
Value: []byte(basicAuthPassword),
},
},
},

5
pkg/apis/options/legacy_options_test.go
View File

@ -1,7 +1,6 @@
package options
import (
"encoding/base64"
"time"
. "github.com/onsi/ginkgo"
@ -332,7 +331,7 @@ var _ = Describe("Legacy Options", func() {
Claim: "user",
Prefix: "Basic ",
BasicAuthPassword: &SecretSource{
Value: []byte(base64.StdEncoding.EncodeToString([]byte(basicAuthSecret))),
Value: []byte(basicAuthSecret),
},
},
},
@ -372,7 +371,7 @@ var _ = Describe("Legacy Options", func() {
Claim: "email",
Prefix: "Basic ",
BasicAuthPassword: &SecretSource{
Value: []byte(base64.StdEncoding.EncodeToString([]byte(basicAuthSecret))),
Value: []byte(basicAuthSecret),
},
},
},

5
pkg/apis/options/util/util.go
View File

@ -1,7 +1,6 @@
package util
import (
"encoding/base64"
"errors"
"io/ioutil"
"os"
@ -13,9 +12,7 @@ import (
func GetSecretValue(source *options.SecretSource) ([]byte, error) {
switch {
case len(source.Value) > 0 && source.FromEnv == "" && source.FromFile == "":
value := make([]byte, base64.StdEncoding.DecodedLen(len(source.Value)))
decoded, err := base64.StdEncoding.Decode(value, source.Value)
return value[:decoded], err
return source.Value, nil
case len(source.Value) == 0 && source.FromEnv != "" && source.FromFile == "":
return []byte(os.Getenv(source.FromEnv)), nil
case len(source.Value) == 0 && source.FromEnv == "" && source.FromFile != "":

15
pkg/apis/options/util/util_test.go
View File

@ -1,7 +1,6 @@
package util
import (
"encoding/base64"
"io/ioutil"
"os"
"path"
@ -31,20 +30,12 @@ var _ = Describe("GetSecretValue", func() {
os.RemoveAll(fileDir)
})
It("returns the correct value from base64", func() {
originalValue := []byte("secret-value-1")
b64Value := base64.StdEncoding.EncodeToString((originalValue))
// Once encoded, the originalValue could have a decoded length longer than
// its actual length, ensure we trim this.
// This assertion ensures we are testing the triming
Expect(len(originalValue)).To(BeNumerically("<", base64.StdEncoding.DecodedLen(len(b64Value))))
It("returns the correct value from the string value", func() {
value, err := GetSecretValue(&options.SecretSource{
Value: []byte(b64Value),
Value: []byte("secret-value-1"),
})
Expect(err).ToNot(HaveOccurred())
Expect(value).To(Equal(originalValue))
Expect(string(value)).To(Equal("secret-value-1"))
})
It("returns the correct value from the environment", func() {

14
pkg/header/injector_test.go
View File

@ -49,14 +49,14 @@ var _ = Describe("Injector Suite", func() {
},
expectedErr: nil,
}),
Entry("with a static valued header from base64", newInjectorTableInput{
Entry("with a static valued header from string", newInjectorTableInput{
headers: []options.Header{
{
Name: "Secret",
Values: []options.HeaderValue{
{
SecretSource: &options.SecretSource{
Value: []byte(base64.StdEncoding.EncodeToString([]byte("super-secret"))),
Value: []byte("super-secret"),
},
},
},
@ -200,7 +200,7 @@ var _ = Describe("Injector Suite", func() {
ClaimSource: &options.ClaimSource{
Claim: "user",
BasicAuthPassword: &options.SecretSource{
Value: []byte(base64.StdEncoding.EncodeToString([]byte("basic-password"))),
Value: []byte("basic-password"),
},
},
},
@ -349,7 +349,7 @@ var _ = Describe("Injector Suite", func() {
ClaimSource: &options.ClaimSource{
Claim: "user",
BasicAuthPassword: &options.SecretSource{
Value: []byte(base64.StdEncoding.EncodeToString([]byte("basic-password"))),
Value: []byte("basic-password"),
},
},
},
@ -380,17 +380,17 @@ var _ = Describe("Injector Suite", func() {
Values: []options.HeaderValue{
{
SecretSource: &options.SecretSource{
Value: []byte(base64.StdEncoding.EncodeToString([]byte("major=1"))),
Value: []byte("major=1"),
},
},
{
SecretSource: &options.SecretSource{
Value: []byte(base64.StdEncoding.EncodeToString([]byte("minor=2"))),
Value: []byte("minor=2"),
},
},
{
SecretSource: &options.SecretSource{
Value: []byte(base64.StdEncoding.EncodeToString([]byte("patch=3"))),
Value: []byte("patch=3"),
},
},
},

11
pkg/validation/common.go
View File

@ -1,7 +1,6 @@
package validation
import (
"encoding/base64"
"fmt"
"os"
@ -13,7 +12,7 @@ const multipleValuesForSecretSource = "multiple values specified for secret sour
func validateSecretSource(source options.SecretSource) string {
switch {
case len(source.Value) > 0 && source.FromEnv == "" && source.FromFile == "":
return validateSecretSourceValue(source.Value)
return ""
case len(source.Value) == 0 && source.FromEnv != "" && source.FromFile == "":
return validateSecretSourceEnv(source.FromEnv)
case len(source.Value) == 0 && source.FromEnv == "" && source.FromFile != "":
@ -23,14 +22,6 @@ func validateSecretSource(source options.SecretSource) string {
}
}
func validateSecretSourceValue(value []byte) string {
dst := make([]byte, len(value))
if _, err := base64.StdEncoding.Decode(dst, value); err != nil {
return fmt.Sprintf("error decoding secret value: %v", err)
}
return ""
}
func validateSecretSourceEnv(key string) string {
if value := os.Getenv(key); value == "" {
return fmt.Sprintf("error loading secret from environent: no value for for key %q", key)

11
pkg/validation/common_test.go
View File

@ -1,7 +1,6 @@
package validation
import (
"encoding/base64"
"io/ioutil"
"os"
@ -17,7 +16,7 @@ var _ = Describe("Common", func() {
var validSecretSourceFile string
BeforeEach(func() {
validSecretSourceValue = []byte(base64.StdEncoding.EncodeToString([]byte("This is a secret source value")))
validSecretSourceValue = []byte("This is a secret source value")
Expect(os.Setenv(validSecretSourceEnv, "This is a secret source env")).To(Succeed())
tmp, err := ioutil.TempFile("", "oauth2-proxy-secret-source-test")
Expect(err).ToNot(HaveOccurred())
@ -110,14 +109,6 @@ var _ = Describe("Common", func() {
},
expectedMsg: "",
}),
Entry("with an invalid Value", validateSecretSourceTableInput{
source: func() options.SecretSource {
return options.SecretSource{
Value: []byte("Invalid Base64 Value"),
}
},
expectedMsg: "error decoding secret value: illegal base64 data at input byte 7",
}),
Entry("with an invalid FromEnv", validateSecretSourceTableInput{
source: func() options.SecretSource {
return options.SecretSource{

4
pkg/validation/header_test.go
View File

@ -148,7 +148,7 @@ var _ = Describe("Headers", func() {
ClaimSource: &options.ClaimSource{
Claim: "user",
BasicAuthPassword: &options.SecretSource{
Value: []byte("secret"),
FromEnv: "UNKNOWN_ENV",
},
},
},
@ -157,7 +157,7 @@ var _ = Describe("Headers", func() {
validHeader1,
},
expectedMsgs: []string{
"invalid header \"With-Invalid-Basic-Auth\": invalid values: invalid basicAuthPassword: error decoding secret value: illegal base64 data at input byte 4",
"invalid header \"With-Invalid-Basic-Auth\": invalid values: invalid basicAuthPassword: error loading secret from environent: no value for for key \"UNKNOWN_ENV\"",
},
}),
)