1 files changed, 95 insertions, 0 deletions
diff --git a/bridge/core/auth/token.go b/bridge/core/auth/token.go
new file mode 100644
index 00000000..12a3bfc0
--- /dev/null
+++ b/bridge/core/auth/token.go
@@ -0,0 +1,95 @@
+package auth
+
+import (
+	"crypto/sha256"
+	"fmt"
+	"time"
+
+	"github.com/MichaelMure/git-bug/bridge/core"
+	"github.com/MichaelMure/git-bug/entity"
+	"github.com/MichaelMure/git-bug/repository"
+)
+
+const (
+	tokenValueKey = "value"
+)
+
+var _ Credential = &Token{}
+
+// Token holds an API access token data
+type Token struct {
+	userId     entity.Id
+	target     string
+	createTime time.Time
+	Value      string
+}
+
+// NewToken instantiate a new token
+func NewToken(userId entity.Id, value, target string) *Token {
+	return &Token{
+		userId:     userId,
+		target:     target,
+		createTime: time.Now(),
+		Value:      value,
+	}
+}
+
+func NewTokenFromConfig(conf map[string]string) *Token {
+	token := &Token{}
+
+	token.userId = entity.Id(conf[configKeyUserId])
+	token.target = conf[configKeyTarget]
+	if createTime, ok := conf[configKeyCreateTime]; ok {
+		if t, err := repository.ParseTimestamp(createTime); err == nil {
+			token.createTime = t
+		}
+	}
+
+	token.Value = conf[tokenValueKey]
+
+	return token
+}
+
+func (t *Token) ID() entity.Id {
+	sum := sha256.Sum256([]byte(t.target + t.Value))
+	return entity.Id(fmt.Sprintf("%x", sum))
+}
+
+func (t *Token) UserId() entity.Id {
+	return t.userId
+}
+
+func (t *Token) Target() string {
+	return t.target
+}
+
+func (t *Token) Kind() CredentialKind {
+	return KindToken
+}
+
+func (t *Token) CreateTime() time.Time {
+	return t.createTime
+}
+
+// Validate ensure token important fields are valid
+func (t *Token) Validate() error {
+	if t.Value == "" {
+		return fmt.Errorf("missing value")
+	}
+	if t.target == "" {
+		return fmt.Errorf("missing target")
+	}
+	if t.createTime.IsZero() || t.createTime.Equal(time.Time{}) {
+		return fmt.Errorf("missing creation time")
+	}
+	if !core.TargetExist(t.target) {
+		return fmt.Errorf("unknown target")
+	}
+	return nil
+}
+
+func (t *Token) ToConfig() map[string]string {
+	return map[string]string{
+		tokenValueKey: t.Value,
+	}
+}