From f6c92c5e2d87ab1334648b0d1293771de7aae4a5 Mon Sep 17 00:00:00 2001
From: Rutger Broekhoff
Date: Sat, 30 Dec 2023 14:00:34 +0100
Subject: Implement git-lfs-authenticate

---
 vendor/github.com/golang-jwt/jwt/v5/map_claims.go | 109 ++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 vendor/github.com/golang-jwt/jwt/v5/map_claims.go

(limited to 'vendor/github.com/golang-jwt/jwt/v5/map_claims.go')

diff --git a/vendor/github.com/golang-jwt/jwt/v5/map_claims.go b/vendor/github.com/golang-jwt/jwt/v5/map_claims.go
new file mode 100644
index 0000000..b2b51a1
--- /dev/null
+++ b/vendor/github.com/golang-jwt/jwt/v5/map_claims.go
@@ -0,0 +1,109 @@
+package jwt
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+// MapClaims is a claims type that uses the map[string]interface{} for JSON
+// decoding. This is the default claims type if you don't supply one
+type MapClaims map[string]interface{}
+
+// GetExpirationTime implements the Claims interface.
+func (m MapClaims) GetExpirationTime() (*NumericDate, error) {
+	return m.parseNumericDate("exp")
+}
+
+// GetNotBefore implements the Claims interface.
+func (m MapClaims) GetNotBefore() (*NumericDate, error) {
+	return m.parseNumericDate("nbf")
+}
+
+// GetIssuedAt implements the Claims interface.
+func (m MapClaims) GetIssuedAt() (*NumericDate, error) {
+	return m.parseNumericDate("iat")
+}
+
+// GetAudience implements the Claims interface.
+func (m MapClaims) GetAudience() (ClaimStrings, error) {
+	return m.parseClaimsString("aud")
+}
+
+// GetIssuer implements the Claims interface.
+func (m MapClaims) GetIssuer() (string, error) {
+	return m.parseString("iss")
+}
+
+// GetSubject implements the Claims interface.
+func (m MapClaims) GetSubject() (string, error) {
+	return m.parseString("sub")
+}
+
+// parseNumericDate tries to parse a key in the map claims type as a number
+// date. This will succeed, if the underlying type is either a [float64] or a
+// [json.Number]. Otherwise, nil will be returned.
+func (m MapClaims) parseNumericDate(key string) (*NumericDate, error) {
+	v, ok := m[key]
+	if !ok {
+		return nil, nil
+	}
+
+	switch exp := v.(type) {
+	case float64:
+		if exp == 0 {
+			return nil, nil
+		}
+
+		return newNumericDateFromSeconds(exp), nil
+	case json.Number:
+		v, _ := exp.Float64()
+
+		return newNumericDateFromSeconds(v), nil
+	}
+
+	return nil, newError(fmt.Sprintf("%s is invalid", key), ErrInvalidType)
+}
+
+// parseClaimsString tries to parse a key in the map claims type as a
+// [ClaimsStrings] type, which can either be a string or an array of string.
+func (m MapClaims) parseClaimsString(key string) (ClaimStrings, error) {
+	var cs []string
+	switch v := m[key].(type) {
+	case string:
+		cs = append(cs, v)
+	case []string:
+		cs = v
+	case []interface{}:
+		for _, a := range v {
+			vs, ok := a.(string)
+			if !ok {
+				return nil, newError(fmt.Sprintf("%s is invalid", key), ErrInvalidType)
+			}
+			cs = append(cs, vs)
+		}
+	}
+
+	return cs, nil
+}
+
+// parseString tries to parse a key in the map claims type as a [string] type.
+// If the key does not exist, an empty string is returned. If the key has the
+// wrong type, an error is returned.
+func (m MapClaims) parseString(key string) (string, error) {
+	var (
+		ok  bool
+		raw interface{}
+		iss string
+	)
+	raw, ok = m[key]
+	if !ok {
+		return "", nil
+	}
+
+	iss, ok = raw.(string)
+	if !ok {
+		return "", newError(fmt.Sprintf("%s is invalid", key), ErrInvalidType)
+	}
+
+	return iss, nil
+}
-- 
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