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Default keychain looks also into $HOME/.config/containers/auth.json #1977

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Default keychain looks also into $HOME/.config/containers/auth.json #1977

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10 changes: 10 additions & 0 deletions pkg/authn/keychain.go
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Original file line number Diff line number Diff line change
Expand Up @@ -137,6 +137,16 @@ func (dk *defaultKeychain) ResolveContext(_ context.Context, target Resource) (A
if err != nil {
return nil, err
}
} else if fileExists(filepath.Join(home, ".config/containers/auth.json")) {
f, err := os.Open(filepath.Join(home, ".config/containers/auth.json"))
if err != nil {
return nil, err
}
defer f.Close()
cf, err = config.LoadFromReader(f)
if err != nil {
return nil, err
}
} else {
return Anonymous, nil
}
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32 changes: 27 additions & 5 deletions pkg/authn/keychain_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -110,22 +110,44 @@ func TestPodmanConfig(t *testing.T) {

os.Unsetenv("DOCKER_CONFIG")
// At first, $DOCKER_CONFIG is unset and $HOME/.docker/config.json isn't
// found, but Podman auth $XDG_RUNTIME_DIR/containers/auth.json is configured.
// This should return Podman's auth $XDG_RUNTIME_DIR/containers/auth.json.
// found. $XDG_RUNTIME_DIR is unset too to simulate macOS/Windows environment
// This should return Podman's auth $HOME/.config/containers/auth.json.
writeConfig(t, filepath.Join(os.Getenv("HOME"), ".config", "containers"), "auth.json",
fmt.Sprintf(`{"auths": {"test.io": {"auth": %q}}}`,
encode("DEFAULT-MAC-WIN-foo", "DEFAULT-MAC-WIN-bar")))
defer func() { os.Remove(filepath.Join(os.Getenv("HOME"), ".config/containers/auth.json")) }()
auth, err := DefaultKeychain.Resolve(testRegistry)
if err != nil {
t.Fatalf("Resolve() = %v", err)
}
got, err := auth.Authorization()
if err != nil {
t.Fatal(err)
}
want := &AuthConfig{
Username: "DEFAULT-MAC-WIN-foo",
Password: "DEFAULT-MAC-WIN-bar",
}
if !reflect.DeepEqual(got, want) {
t.Errorf("got %+v, want %+v", got, want)
}

// Then, XDG_RUNTIME_DIR is populated, to simulate a Linux environment,
// and Podman auth $XDG_RUNTIME_DIR/containers/auth.json is configured.
p := filepath.Join(tmpdir, fmt.Sprintf("%d", fresh))
t.Setenv("XDG_RUNTIME_DIR", p)
writeConfig(t, filepath.Join(p, "containers"), "auth.json",
fmt.Sprintf(`{"auths": {"test.io": {"auth": %q}}}`,
encode("XDG_RUNTIME_DIR-foo", "XDG_RUNTIME_DIR-bar")))
auth, err := DefaultKeychain.Resolve(testRegistry)
auth, err = DefaultKeychain.Resolve(testRegistry)
if err != nil {
t.Fatalf("Resolve() = %v", err)
}
got, err := auth.Authorization()
got, err = auth.Authorization()
if err != nil {
t.Fatal(err)
}
want := &AuthConfig{
want = &AuthConfig{
Username: "XDG_RUNTIME_DIR-foo",
Password: "XDG_RUNTIME_DIR-bar",
}
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