diff options
Diffstat (limited to 'vendor/gopkg.in/square/go-jose.v2/jwt/claims.go')
-rw-r--r-- | vendor/gopkg.in/square/go-jose.v2/jwt/claims.go | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/vendor/gopkg.in/square/go-jose.v2/jwt/claims.go b/vendor/gopkg.in/square/go-jose.v2/jwt/claims.go new file mode 100644 index 000000000..60de94002 --- /dev/null +++ b/vendor/gopkg.in/square/go-jose.v2/jwt/claims.go @@ -0,0 +1,115 @@ +/*- + * Copyright 2016 Zbigniew Mandziejewicz + * Copyright 2016 Square, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package jwt + +import ( + "encoding/json" + "strconv" + "time" +) + +// Claims represents public claim values (as specified in RFC 7519). +type Claims struct { + Issuer string `json:"iss,omitempty"` + Subject string `json:"sub,omitempty"` + Audience Audience `json:"aud,omitempty"` + Expiry NumericDate `json:"exp,omitempty"` + NotBefore NumericDate `json:"nbf,omitempty"` + IssuedAt NumericDate `json:"iat,omitempty"` + ID string `json:"jti,omitempty"` +} + +// NumericDate represents date and time as the number of seconds since the +// epoch, including leap seconds. Non-integer values can be represented +// in the serialized format, but we round to the nearest second. +type NumericDate int64 + +// NewNumericDate constructs NumericDate from time.Time value. +func NewNumericDate(t time.Time) NumericDate { + if t.IsZero() { + return NumericDate(0) + } + + // While RFC 7519 technically states that NumericDate values may be + // non-integer values, we don't bother serializing timestamps in + // claims with sub-second accurancy and just round to the nearest + // second instead. Not convined sub-second accuracy is useful here. + return NumericDate(t.Unix()) +} + +// MarshalJSON serializes the given NumericDate into its JSON representation. +func (n NumericDate) MarshalJSON() ([]byte, error) { + return []byte(strconv.FormatInt(int64(n), 10)), nil +} + +// UnmarshalJSON reads a date from its JSON representation. +func (n *NumericDate) UnmarshalJSON(b []byte) error { + s := string(b) + + f, err := strconv.ParseFloat(s, 64) + if err != nil { + return ErrUnmarshalNumericDate + } + + *n = NumericDate(f) + return nil +} + +// Time returns time.Time representation of NumericDate. +func (n NumericDate) Time() time.Time { + return time.Unix(int64(n), 0) +} + +// Audience represents the recipents that the token is intended for. +type Audience []string + +// UnmarshalJSON reads an audience from its JSON representation. +func (s *Audience) UnmarshalJSON(b []byte) error { + var v interface{} + if err := json.Unmarshal(b, &v); err != nil { + return err + } + + switch v := v.(type) { + case string: + *s = []string{v} + case []interface{}: + a := make([]string, len(v)) + for i, e := range v { + s, ok := e.(string) + if !ok { + return ErrUnmarshalAudience + } + a[i] = s + } + *s = a + default: + return ErrUnmarshalAudience + } + + return nil +} + +func (s Audience) Contains(v string) bool { + for _, a := range s { + if a == v { + return true + } + } + return false +} |