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23899acadd
Move the manifest computation (with v2s1 signature stripping) out of skopeo/signature into a separate package; it is necessary in the OpenShift client as well, unrelated to signatures. Other Docker-specific utilities, like getting a list of layer blobsums from a manifest, may be also moved here in the future.
59 lines
1.7 KiB
Go
59 lines
1.7 KiB
Go
package dockerutils
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import (
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"io/ioutil"
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"path/filepath"
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"testing"
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"github.com/projectatomic/skopeo/dockerutils/fixtures"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestGuessManifestMIMEType(t *testing.T) {
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cases := []struct {
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path string
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mimeType manifestMIMEType
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}{
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{"v2s2.manifest.json", dockerV2Schema2MIMEType},
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{"v2s1.manifest.json", dockerV2Schema1MIMEType},
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{"v2s1-invalid-signatures.manifest.json", dockerV2Schema1MIMEType},
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{"v2s2nomime.manifest.json", dockerV2Schema2MIMEType}, // It is unclear whether this one is legal, but we should guess v2s2 if anything at all.
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{"unknown-version.manifest.json", ""},
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{"non-json.manifest.json", ""}, // Not a manifest (nor JSON) at all
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}
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for _, c := range cases {
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manifest, err := ioutil.ReadFile(filepath.Join("fixtures", c.path))
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require.NoError(t, err)
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mimeType := guessManifestMIMEType(manifest)
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assert.Equal(t, c.mimeType, mimeType)
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}
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}
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func TestManifestDigest(t *testing.T) {
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cases := []struct {
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path string
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digest string
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}{
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{"v2s2.manifest.json", fixtures.TestV2S2ManifestDigest},
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{"v2s1.manifest.json", fixtures.TestV2S1ManifestDigest},
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}
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for _, c := range cases {
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manifest, err := ioutil.ReadFile(filepath.Join("fixtures", c.path))
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require.NoError(t, err)
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digest, err := ManifestDigest(manifest)
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require.NoError(t, err)
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assert.Equal(t, c.digest, digest)
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}
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manifest, err := ioutil.ReadFile("fixtures/v2s1-invalid-signatures.manifest.json")
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require.NoError(t, err)
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digest, err := ManifestDigest(manifest)
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assert.Error(t, err)
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digest, err = ManifestDigest([]byte{})
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require.NoError(t, err)
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assert.Equal(t, "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", digest)
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}
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