-
Notifications
You must be signed in to change notification settings - Fork 138
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Signed-off-by: cpanato <[email protected]>
- Loading branch information
Showing
8 changed files
with
525 additions
and
4 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,18 @@ | ||
# Copyright 2023 The Sigstore Authors | ||
# | ||
# Licensed under the Apache License, Version 2.0 (the "License"); | ||
# you may not use this file except in compliance with the License. | ||
# You may obtain a copy of the License at | ||
# | ||
# http://www.apache.org/licenses/LICENSE-2.0 | ||
# | ||
# Unless required by applicable law or agreed to in writing, software | ||
# distributed under the License is distributed on an "AS IS" BASIS, | ||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
# See the License for the specific language governing permissions and | ||
# limitations under the License. | ||
|
||
url: https://gitlab.com | ||
contact: [email protected] | ||
description: "GitLab OIDC tokens for job identity" | ||
type: "gitlab-pipeline" |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,124 @@ | ||
// Copyright 2023 The Sigstore Authors. | ||
// | ||
// Licensed under the Apache License, Version 2.0 (the "License"); | ||
// you may not use this file except in compliance with the License. | ||
// You may obtain a copy of the License at | ||
// | ||
// http://www.apache.org/licenses/LICENSE-2.0 | ||
// | ||
// Unless required by applicable law or agreed to in writing, software | ||
// distributed under the License is distributed on an "AS IS" BASIS, | ||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. | ||
|
||
package gitlab_com | ||
|
||
import ( | ||
"context" | ||
"crypto/x509" | ||
"errors" | ||
"fmt" | ||
"net/url" | ||
|
||
"github.com/coreos/go-oidc/v3/oidc" | ||
"github.com/sigstore/fulcio/pkg/certificate" | ||
"github.com/sigstore/fulcio/pkg/identity" | ||
) | ||
|
||
type jobPrincipal struct { | ||
// Subject matches the 'sub' claim from the OIDC ID token this is what is | ||
// signed as proof of possession for Buildkite job identities | ||
subject string | ||
|
||
// OIDC Issuer URL. Matches 'iss' claim from ID token. The real issuer URL is | ||
// https://agent.buildkite.com/.well-known/openid-configuration | ||
issuer string | ||
|
||
// The URL of the pipeline, the container of many builds. This will be | ||
// set as a human-friendly SubjectAlternativeName URI in the certificate. | ||
url string | ||
|
||
// Event that triggered this workflow run. E.g "push", "tag" etc | ||
pipelineSource string | ||
|
||
// Repository building built | ||
projectPath string | ||
|
||
// Job that is running | ||
jobID string | ||
|
||
// Git ref being built | ||
ref string | ||
} | ||
|
||
func JobPrincipalFromIDToken(ctx context.Context, token *oidc.IDToken) (identity.Principal, error) { | ||
var claims struct { | ||
ProjectPath string `json:"project_path"` | ||
PipelineID string `json:"pipeline_id"` | ||
PipelineSource string `json:"pipeline_source"` | ||
JobID string `json:"job_id"` | ||
Ref string `json:"ref"` | ||
RefType string `json:"ref_type"` | ||
} | ||
if err := token.Claims(&claims); err != nil { | ||
return nil, err | ||
} | ||
|
||
if claims.ProjectPath == "" { | ||
return nil, errors.New("missing project_path claim in ID token") | ||
} | ||
|
||
if claims.PipelineID == "" { | ||
return nil, errors.New("missing pipeline_id claim in ID token") | ||
} | ||
|
||
if claims.PipelineSource == "" { | ||
return nil, errors.New("missing pipeline_source claim in ID token") | ||
} | ||
|
||
if claims.JobID == "" { | ||
return nil, errors.New("missing job_id claim in ID token") | ||
} | ||
|
||
if claims.Ref == "" { | ||
return nil, errors.New("missing ref claim in ID token") | ||
} | ||
|
||
if claims.RefType == "" { | ||
return nil, errors.New("missing ref_type claim in ID token") | ||
} | ||
|
||
return &jobPrincipal{ | ||
subject: token.Subject, | ||
issuer: token.Issuer, | ||
url: fmt.Sprintf("https://gitlab.com/%s/-/jobs/%s", claims.ProjectPath, claims.JobID), | ||
pipelineSource: claims.PipelineSource, | ||
projectPath: claims.ProjectPath, | ||
jobID: claims.JobID, | ||
ref: claims.Ref, | ||
}, nil | ||
} | ||
|
||
func (p jobPrincipal) Name(ctx context.Context) string { | ||
return p.subject | ||
} | ||
|
||
func (p jobPrincipal) Embed(ctx context.Context, cert *x509.Certificate) error { | ||
// Set SubjectAlternativeName to the pipeline URL on the certificate | ||
parsed, err := url.Parse(p.url) | ||
if err != nil { | ||
return err | ||
} | ||
cert.URIs = []*url.URL{parsed} | ||
|
||
// Embed additional information into custom extensions | ||
cert.ExtraExtensions, err = certificate.Extensions{ | ||
Issuer: p.issuer, | ||
}.Render() | ||
if err != nil { | ||
return err | ||
} | ||
|
||
return nil | ||
} |
Oops, something went wrong.