From 983a0bba5d2a042c4a3bbb22432ec192c7501d82 Mon Sep 17 00:00:00 2001
From: GitLab Bot <gitlab-bot@gitlab.com>
Date: Mon, 20 Apr 2020 18:38:24 +0000
Subject: Add latest changes from gitlab-org/gitlab@12-10-stable-ee

---
 spec/lib/gitlab/ci/jwt_spec.rb | 124 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 spec/lib/gitlab/ci/jwt_spec.rb

(limited to 'spec/lib/gitlab/ci/jwt_spec.rb')

diff --git a/spec/lib/gitlab/ci/jwt_spec.rb b/spec/lib/gitlab/ci/jwt_spec.rb
new file mode 100644
index 00000000000..f2897708b08
--- /dev/null
+++ b/spec/lib/gitlab/ci/jwt_spec.rb
@@ -0,0 +1,124 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Ci::Jwt do
+  let(:namespace) { build_stubbed(:namespace) }
+  let(:project) { build_stubbed(:project, namespace: namespace) }
+  let(:user) { build_stubbed(:user) }
+  let(:pipeline) { build_stubbed(:ci_pipeline, ref: 'auto-deploy-2020-03-19') }
+  let(:build) do
+    build_stubbed(
+      :ci_build,
+      project: project,
+      user: user,
+      pipeline: pipeline
+    )
+  end
+
+  describe '#payload' do
+    subject(:payload) { described_class.new(build, ttl: 30).payload }
+
+    it 'has correct values for the standard JWT attributes' do
+      Timecop.freeze do
+        now = Time.now.to_i
+
+        aggregate_failures do
+          expect(payload[:iss]).to eq(Settings.gitlab.host)
+          expect(payload[:iat]).to eq(now)
+          expect(payload[:exp]).to eq(now + 30)
+          expect(payload[:sub]).to eq("job_#{build.id}")
+        end
+      end
+    end
+
+    it 'has correct values for the custom attributes' do
+      aggregate_failures do
+        expect(payload[:namespace_id]).to eq(namespace.id.to_s)
+        expect(payload[:namespace_path]).to eq(namespace.full_path)
+        expect(payload[:project_id]).to eq(project.id.to_s)
+        expect(payload[:project_path]).to eq(project.full_path)
+        expect(payload[:user_id]).to eq(user.id.to_s)
+        expect(payload[:user_email]).to eq(user.email)
+        expect(payload[:user_login]).to eq(user.username)
+        expect(payload[:pipeline_id]).to eq(pipeline.id.to_s)
+        expect(payload[:job_id]).to eq(build.id.to_s)
+        expect(payload[:ref]).to eq(pipeline.source_ref)
+      end
+    end
+
+    it 'skips user related custom attributes if build has no user assigned' do
+      allow(build).to receive(:user).and_return(nil)
+
+      expect { payload }.not_to raise_error
+    end
+
+    describe 'ref type' do
+      context 'branches' do
+        it 'is "branch"' do
+          expect(payload[:ref_type]).to eq('branch')
+        end
+      end
+
+      context 'tags' do
+        let(:build) { build_stubbed(:ci_build, :on_tag, project: project) }
+
+        it 'is "tag"' do
+          expect(payload[:ref_type]).to eq('tag')
+        end
+      end
+
+      context 'merge requests' do
+        let(:pipeline) { build_stubbed(:ci_pipeline, :detached_merge_request_pipeline) }
+
+        it 'is "branch"' do
+          expect(payload[:ref_type]).to eq('branch')
+        end
+      end
+    end
+
+    describe 'ref_protected' do
+      it 'is false when ref is not protected' do
+        expect(build).to receive(:protected).and_return(false)
+
+        expect(payload[:ref_protected]).to eq('false')
+      end
+
+      it 'is true when ref is protected' do
+        expect(build).to receive(:protected).and_return(true)
+
+        expect(payload[:ref_protected]).to eq('true')
+      end
+    end
+  end
+
+  describe '.for_build' do
+    let(:rsa_key) { OpenSSL::PKey::RSA.new(Rails.application.secrets.openid_connect_signing_key) }
+
+    subject(:jwt) { described_class.for_build(build) }
+
+    it 'generates JWT with key id' do
+      _payload, headers = JWT.decode(jwt, rsa_key.public_key, true, { algorithm: 'RS256' })
+
+      expect(headers['kid']).to eq(rsa_key.public_key.to_jwk['kid'])
+    end
+
+    it 'generates JWT for the given job with ttl equal to build timeout' do
+      expect(build).to receive(:metadata_timeout).and_return(3_600)
+
+      payload, _headers = JWT.decode(jwt, rsa_key.public_key, true, { algorithm: 'RS256' })
+      ttl = payload["exp"] - payload["iat"]
+
+      expect(ttl).to eq(3_600)
+    end
+
+    it 'generates JWT for the given job with default ttl if build timeout is not set' do
+      expect(build).to receive(:metadata_timeout).and_return(nil)
+
+      payload, _headers = JWT.decode(jwt, rsa_key.public_key, true, { algorithm: 'RS256' })
+      ttl = payload["exp"] - payload["iat"]
+
+      expect(ttl).to eq(5.minutes.to_i)
+    end
+  end
+end
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