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https://github.com/containers/podman
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Simplify the interface of parseSingleAuthHeader
Don't create a single-element map only for the only caller to laboriously extract an element of that map; just return a single entry. Should not change behavior. Signed-off-by: Miloslav Trmač <mitr@redhat.com>
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@ -121,17 +121,11 @@ func getAuthCredentials(r *http.Request) (*types.DockerAuthConfig, string, error
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}
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// Fallback to looking for a single-auth header (i.e., one config).
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authConfigs, err = parseSingleAuthHeader(r)
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authConfig, err := parseSingleAuthHeader(r)
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if err != nil {
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return nil, "", err
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}
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var conf *types.DockerAuthConfig
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for k := range authConfigs {
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c := authConfigs[k]
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conf = &c
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break
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}
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return conf, "", nil
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return &authConfig, "", nil
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}
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// Header builds the requested Authentication Header
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@ -321,7 +315,7 @@ func imageAuthToDockerAuth(authConfig types.DockerAuthConfig) dockerAPITypes.Aut
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// parseSingleAuthHeader extracts a DockerAuthConfig from the request's header.
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// The header content is a single DockerAuthConfig.
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func parseSingleAuthHeader(r *http.Request) (map[string]types.DockerAuthConfig, error) {
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func parseSingleAuthHeader(r *http.Request) (types.DockerAuthConfig, error) {
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authHeader := r.Header.Get(string(XRegistryAuthHeader))
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authConfig := dockerAPITypes.AuthConfig{}
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// Accept "null" and handle it as empty value for compatibility reason with Docker.
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@ -329,12 +323,10 @@ func parseSingleAuthHeader(r *http.Request) (map[string]types.DockerAuthConfig,
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if len(authHeader) > 0 && authHeader != "null" {
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authJSON := base64.NewDecoder(base64.URLEncoding, strings.NewReader(authHeader))
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if err := json.NewDecoder(authJSON).Decode(&authConfig); err != nil {
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return nil, err
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return types.DockerAuthConfig{}, err
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}
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}
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authConfigs := make(map[string]types.DockerAuthConfig)
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authConfigs["0"] = dockerAuthToImageAuth(authConfig)
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return authConfigs, nil
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return dockerAuthToImageAuth(authConfig), nil
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}
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// parseMultiAuthHeader extracts a DockerAuthConfig from the request's header.
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@ -302,24 +302,22 @@ func TestParseSingleAuthHeader(t *testing.T) {
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for _, tc := range []struct {
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input string
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shouldErr bool
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expected map[string]types.DockerAuthConfig
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expected types.DockerAuthConfig
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}{
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{
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input: "", // An empty (or missing) header
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expected: map[string]types.DockerAuthConfig{"0": {}},
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expected: types.DockerAuthConfig{},
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},
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{
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input: "null",
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expected: map[string]types.DockerAuthConfig{"0": {}},
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expected: types.DockerAuthConfig{},
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},
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// Invalid JSON
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{input: "@", shouldErr: true},
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// Success
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{
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input: base64.URLEncoding.EncodeToString([]byte(`{"username":"u1","password":"p1"}`)),
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expected: map[string]types.DockerAuthConfig{
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"0": {Username: "u1", Password: "p1"},
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},
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input: base64.URLEncoding.EncodeToString([]byte(`{"username":"u1","password":"p1"}`)),
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expected: types.DockerAuthConfig{Username: "u1", Password: "p1"},
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},
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} {
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req, err := http.NewRequest(http.MethodPost, "/", nil)
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