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Remove raw cert escape in PassTLSClientCert middleware

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Romain 2022-10-13 15:08:08 +02:00 committed by GitHub
parent 87815586be
commit 2c550c284d
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8 changed files with 17 additions and 19 deletions
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20
docs/content/middlewares/http/passtlsclientcert.md
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@ -16,10 +16,10 @@ PassTLSClientCert adds the selected data from the passed client TLS certificate
## Configuration Examples
Pass the escaped pem in the `X-Forwarded-Tls-Client-Cert` header.
Pass the pem in the `X-Forwarded-Tls-Client-Cert` header.
```yaml tab="Docker"
# Pass the escaped pem in the `X-Forwarded-Tls-Client-Cert` header.
# Pass the pem in the `X-Forwarded-Tls-Client-Cert` header.
labels:
- "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.pem=true"
```
@ -35,7 +35,7 @@ spec:
```
```yaml tab="Consul Catalog"
# Pass the escaped pem in the `X-Forwarded-Tls-Client-Cert` header
# Pass the pem in the `X-Forwarded-Tls-Client-Cert` header
- "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.pem=true"
```
@ -46,13 +46,13 @@ spec:
```
```yaml tab="Rancher"
# Pass the escaped pem in the `X-Forwarded-Tls-Client-Cert` header.
# Pass the pem in the `X-Forwarded-Tls-Client-Cert` header.
labels:
- "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.pem=true"
```
```yaml tab="File (YAML)"
# Pass the escaped pem in the `X-Forwarded-Tls-Client-Cert` header.
# Pass the pem in the `X-Forwarded-Tls-Client-Cert` header.
http:
middlewares:
test-passtlsclientcert:
@ -61,13 +61,13 @@ http:
```
```toml tab="File (TOML)"
# Pass the escaped pem in the `X-Forwarded-Tls-Client-Cert` header.
# Pass the pem in the `X-Forwarded-Tls-Client-Cert` header.
[http.middlewares]
[http.middlewares.test-passtlsclientcert.passTLSClientCert]
pem = true
```
??? example "Pass the escaped pem in the `X-Forwarded-Tls-Client-Cert` header"
??? example "Pass the pem in the `X-Forwarded-Tls-Client-Cert` header"
```yaml tab="Docker"
# Pass all the available info in the `X-Forwarded-Tls-Client-Cert-Info` header
@ -254,12 +254,12 @@ http:
PassTLSClientCert can add two headers to the request:
- `X-Forwarded-Tls-Client-Cert` that contains the escaped pem.
- `X-Forwarded-Tls-Client-Cert` that contains the pem.
- `X-Forwarded-Tls-Client-Cert-Info` that contains all the selected certificate information in an escaped string.
!!! info
* Each header value is a string that has been escaped in order to be a valid URL query.
* `X-Forwarded-Tls-Client-Cert-Info` header value is a string that has been escaped in order to be a valid URL query.
* These options only work accordingly to the [MutualTLS configuration](../../https/tls.md#client-authentication-mtls).
That is to say, only the certificates that match the `clientAuth.clientAuthType` policy are passed.
@ -371,7 +371,7 @@ The following example shows a complete certificate and explains each of the midd
### `pem`
The `pem` option sets the `X-Forwarded-Tls-Client-Cert` header with the escaped certificate.
The `pem` option sets the `X-Forwarded-Tls-Client-Cert` header with the certificate.
In the example, it is the part between `-----BEGIN CERTIFICATE-----` and `-----END CERTIFICATE-----` delimiters:

2
docs/content/reference/dynamic-configuration/kubernetes-crd-definition-v1.yml
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@ -1300,7 +1300,7 @@ spec:
type: object
pem:
description: PEM sets the X-Forwarded-Tls-Client-Cert header with
the escaped certificate.
the certificate.
type: boolean
type: object
plugin:

2
docs/content/reference/dynamic-configuration/traefik.containo.us_middlewares.yaml
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@ -723,7 +723,7 @@ spec:
type: object
pem:
description: PEM sets the X-Forwarded-Tls-Client-Cert header with
the escaped certificate.
the certificate.
type: boolean
type: object
plugin:

2
integration/fixtures/k8s/01-traefik-crd.yml
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@ -1300,7 +1300,7 @@ spec:
type: object
pem:
description: PEM sets the X-Forwarded-Tls-Client-Cert header with
the escaped certificate.
the certificate.
type: boolean
type: object
plugin:

2
integration/tls_client_headers_test.go
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@ -65,6 +65,6 @@ func (s *TLSClientHeadersSuite) TestTLSClientHeaders(c *check.C) {
},
}
err = try.RequestWithTransport(request, 2*time.Second, tr, try.BodyContains("Forwarded-Tls-Client-Cert: MIIDNTCCAh0CFD0QQcHXUJuKwMBYDA%2BbBExVSP26MA0GCSqGSIb3DQEBCwUAMFYxCzAJBgNVBAYTAkZSMQ8wDQYDVQQIDAZGcmFuY2UxFTATBgNVBAoMDFRyYWVmaWsgTGFiczEQMA4GA1UECwwHdHJhZWZpazENMAsGA1UEAwwEcm9vdDAeFw0yMTAxMDgxNzQ0MjRaFw0zMTAxMDYxNzQ0MjRaMFgxCzAJBgNVBAYTAkZSMQ8wDQYDVQQIDAZGcmFuY2UxFTATBgNVBAoMDFRyYWVmaWsgTGFiczEQMA4GA1UECwwHdHJhZWZpazEPMA0GA1UEAwwGc2VydmVyMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvYK2z8gLPOfFLgXNWP2460aeJ9vrH47x%2FlhKLlv4amSDHDx8Cmz%2F6blOUM8XOfMRW1xx%2B%2BAgChWN9dx%2Fkf7G2xlA5grZxRvUQ6xj7AvFG9TQUA3muNh2hvm9c3IjaZBNKH27bRKuDIBvZBvXdX4NL%2FaaFy7w7v7IKxk8j4WkfB23sgyH43g4b7NqKHJugZiedFu5GALmtLbShVOFbjWcre7Wvatdw8dIBmiFJqZQT3UjIuGAgqczIShtLxo4V%2BXyVkIPmzfPrRV%2B4zoMFIFOIaj3syyxb4krPBtxhe7nz2cWvvq0wePB2y4YbAAoVY8NYpd5JsMFwZtG6Uk59ygv4QIDAQABMA0GCSqGSIb3DQEBCwUAA4IBAQDaPg69wNeFNFisfBJTrscqVCTW%2BB80gMhpLdxXD%2BKO0%2FWgc5xpB%2FwLSirNtRQyxAa3%2BEEcIwJv%2Fwdh8EyjlDLSpFm%2F8ghntrKhkOfIOPDFE41M5HNfx%2FFuh5btKEenOL%2FXdapqtNUt2ZE4RrsfbL79sPYepa9kDUVi2mCbeH5ollZ0MDU68HpB2YwHbCEuQNk5W3pjYK2NaDkVnxTkfEDM1k%2B3QydO1lqB5JJmcrs59BEveTqaJ3eeh%2F0I4OOab6OkTTZ0JNjJp1573oxO%2Bfce%2FbfGud8xHY5gSN9huU7U6RsgvO7Dhmal%2FsDNl8XC8oU90hVDVXZdA7ewh4jjaoIv"))
err = try.RequestWithTransport(request, 2*time.Second, tr, try.BodyContains("Forwarded-Tls-Client-Cert: 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"))
c.Assert(err, checker.IsNil)
}

2
pkg/config/dynamic/middlewares.go
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@ -416,7 +416,7 @@ type InFlightReq struct {
// This middleware adds the selected data from the passed client TLS certificate to a header.
// More info: https://doc.traefik.io/traefik/v2.9/middlewares/http/passtlsclientcert/
type PassTLSClientCert struct {
// PEM sets the X-Forwarded-Tls-Client-Cert header with the escaped certificate.
// PEM sets the X-Forwarded-Tls-Client-Cert header with the certificate.
PEM bool `json:"pem,omitempty" toml:"pem,omitempty" yaml:"pem,omitempty" export:"true"`
// Info selects the specific client certificate details you want to add to the X-Forwarded-Tls-Client-Cert-Info header.
Info *TLSClientCertificateInfo `json:"info,omitempty" toml:"info,omitempty" yaml:"info,omitempty" export:"true"`

4
pkg/middlewares/passtlsclientcert/pass_tls_client_cert.go
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@ -325,13 +325,11 @@ func writePart(ctx context.Context, content io.StringWriter, entry, prefix strin
// sanitize As we pass the raw certificates, remove the useless data and make it http request compliant.
func sanitize(cert []byte) string {
cleaned := strings.NewReplacer(
return strings.NewReplacer(
"-----BEGIN CERTIFICATE-----", "",
"-----END CERTIFICATE-----", "",
"\n", "",
).Replace(string(cert))
return url.QueryEscape(cleaned)
}
// getCertificates Build a string with the client certificates.

2
pkg/middlewares/passtlsclientcert/pass_tls_client_cert_test.go
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@ -610,7 +610,7 @@ WqeUSNGYV//RunTeuRDAf5OxehERb1srzBXhRZ3cZdzXbgR/`,
content := sanitize(test.toSanitize)
expected := url.QueryEscape(strings.ReplaceAll(test.expected, "\n", ""))
expected := strings.ReplaceAll(test.expected, "\n", "")
assert.Equal(t, expected, content, "The sanitized certificates should be equal")
})
}