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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| package actoruid | ||
|
|
||
| import ( | ||
| "errors" | ||
| "strings" | ||
|
|
||
| "github.com/aws/aws-sdk-go-v2/feature/dynamodb/attributevalue" | ||
| "github.com/aws/aws-sdk-go-v2/service/dynamodb/types" | ||
| "github.com/google/uuid" | ||
| ) | ||
|
|
||
| const prefix = "urn:opg:poas:makeregister:users:" | ||
|
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| type UID struct{ value string } | ||
|
|
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| func New() UID { | ||
| return UID{value: uuid.NewString()} | ||
| } | ||
|
|
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| func FromRequest(r interface{ FormValue(string) string }) UID { | ||
| return UID{value: r.FormValue("id")} | ||
| } | ||
|
|
||
| func (u UID) IsZero() bool { | ||
| return len(u.value) == 0 | ||
| } | ||
|
|
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| func (u UID) String() string { | ||
| return u.value | ||
| } | ||
|
|
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| func (u UID) PrefixedString() string { | ||
| return prefix + u.value | ||
| } | ||
|
|
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| func (u UID) MarshalJSON() ([]byte, error) { | ||
| if u.value == "" { | ||
| return []byte("null"), nil | ||
| } | ||
|
|
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| return []byte(`"` + u.PrefixedString() + `"`), nil | ||
| } | ||
|
|
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| func (u *UID) UnmarshalText(text []byte) error { | ||
| if len(text) == 0 { | ||
| return nil | ||
| } | ||
|
|
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| uid, found := strings.CutPrefix(string(text), prefix) | ||
| if !found { | ||
| return errors.New("invalid uid prefix") | ||
| } | ||
|
|
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| u.value = uid | ||
| return nil | ||
| } | ||
|
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| func (u UID) MarshalDynamoDBAttributeValue() (types.AttributeValue, error) { | ||
| return attributevalue.Marshal(u.value) | ||
| } | ||
|
|
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| func (u *UID) UnmarshalDynamoDBAttributeValue(av types.AttributeValue) error { | ||
| return attributevalue.Unmarshal(av, &u.value) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| package actoruid | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "net/http" | ||
| "testing" | ||
|
|
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| "github.com/aws/aws-sdk-go-v2/feature/dynamodb/attributevalue" | ||
| "github.com/aws/aws-sdk-go-v2/service/dynamodb/types" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
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| func TestUID(t *testing.T) { | ||
| uid := UID{value: "abc"} | ||
|
|
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| assert.Equal(t, "abc", uid.String()) | ||
| assert.Equal(t, prefix+"abc", uid.PrefixedString()) | ||
| } | ||
|
|
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| func TestUIDFromRequest(t *testing.T) { | ||
| r, _ := http.NewRequest(http.MethodGet, "/?id=abc", nil) | ||
|
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| assert.Equal(t, UID{value: "abc"}, FromRequest(r)) | ||
| } | ||
|
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| func TestUIDZero(t *testing.T) { | ||
| assert.True(t, UID{}.IsZero()) | ||
| assert.False(t, New().IsZero()) | ||
| } | ||
|
|
||
| func TestUIDJSON(t *testing.T) { | ||
| uid := UID{value: "abc"} | ||
|
|
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| jsonData, _ := json.Marshal(uid) | ||
| assert.Equal(t, `"urn:opg:poas:makeregister:users:abc"`, string(jsonData)) | ||
|
|
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| var a UID | ||
| err := json.Unmarshal([]byte(`"urn:opg:poas:makeregister:users:abc"`), &a) | ||
| assert.Nil(t, err) | ||
| assert.Equal(t, a, uid) | ||
|
|
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| emptyData, _ := json.Marshal(UID{}) | ||
| assert.Equal(t, `null`, string(emptyData)) | ||
|
|
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| var b UID | ||
| err = json.Unmarshal([]byte(`null`), &b) | ||
| assert.Nil(t, err) | ||
| assert.True(t, b.IsZero()) | ||
|
|
||
| var c UID | ||
| err = json.Unmarshal([]byte(`""`), &c) | ||
| assert.Nil(t, err) | ||
| assert.True(t, c.IsZero()) | ||
| } | ||
|
|
||
| func TestUIDJSONInvalidPrefix(t *testing.T) { | ||
| var v UID | ||
| err := json.Unmarshal([]byte(`"urn:opg:poas:makeregister:users2:abc"`), &v) | ||
| assert.ErrorContains(t, err, "invalid uid prefix") | ||
| } | ||
|
|
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| func TestUIDAttributeValue(t *testing.T) { | ||
| uid := UID{value: "abc"} | ||
|
|
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| avData, _ := attributevalue.Marshal(uid) | ||
| assert.Equal(t, &types.AttributeValueMemberS{Value: "abc"}, avData) | ||
|
|
||
| var b UID | ||
| _ = attributevalue.Unmarshal(&types.AttributeValueMemberS{Value: "abc"}, &b) | ||
| assert.Equal(t, b, uid) | ||
| } |
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