mirror of https://github.com/golang-jwt/jwt.git
69 lines
1.8 KiB
Go
69 lines
1.8 KiB
Go
package request
|
|
|
|
import (
|
|
"github.com/dgrijalva/jwt-go"
|
|
"net/http"
|
|
)
|
|
|
|
// Extract and parse a JWT token from an HTTP request.
|
|
// This behaves the same as Parse, but accepts a request and an extractor
|
|
// instead of a token string. The Extractor interface allows you to define
|
|
// the logic for extracting a token. Several useful implementations are provided.
|
|
//
|
|
// You can provide options to modify parsing behavior
|
|
func ParseFromRequest(req *http.Request, extractor Extractor, keyFunc jwt.Keyfunc, options ...ParseFromRequestOption) (token *jwt.Token, err error) {
|
|
// Create basic parser struct
|
|
p := &fromRequestParser{req, extractor, nil, nil}
|
|
|
|
// Handle options
|
|
for _, option := range options {
|
|
option(p)
|
|
}
|
|
|
|
// Set defaults
|
|
if p.claims == nil {
|
|
p.claims = jwt.MapClaims{}
|
|
}
|
|
if p.parser == nil {
|
|
p.parser = &jwt.Parser{}
|
|
}
|
|
|
|
// perform extract
|
|
tokenString, err := p.extractor.ExtractToken(req)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// perform parse
|
|
return p.parser.ParseWithClaims(tokenString, p.claims, keyFunc)
|
|
}
|
|
|
|
// ParseFromRequest but with custom Claims type
|
|
// DEPRECATED: use ParseFromRequest and the WithClaims option
|
|
func ParseFromRequestWithClaims(req *http.Request, extractor Extractor, claims jwt.Claims, keyFunc jwt.Keyfunc) (token *jwt.Token, err error) {
|
|
return ParseFromRequest(req, extractor, keyFunc, WithClaims(claims))
|
|
}
|
|
|
|
type fromRequestParser struct {
|
|
req *http.Request
|
|
extractor Extractor
|
|
claims jwt.Claims
|
|
parser *jwt.Parser
|
|
}
|
|
|
|
type ParseFromRequestOption func(*fromRequestParser)
|
|
|
|
// Parse with custom claims
|
|
func WithClaims(claims jwt.Claims) ParseFromRequestOption {
|
|
return func(p *fromRequestParser) {
|
|
p.claims = claims
|
|
}
|
|
}
|
|
|
|
// Parse using a custom parser
|
|
func WithParser(parser *jwt.Parser) ParseFromRequestOption {
|
|
return func(p *fromRequestParser) {
|
|
p.parser = parser
|
|
}
|
|
}
|