mirror of https://github.com/golang-jwt/jwt.git
71 lines
1.9 KiB
Go
71 lines
1.9 KiB
Go
package request
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import (
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"net/http"
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"github.com/golang-jwt/jwt/v5"
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)
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// ParseFromRequest extracts and parses a JWT token from an HTTP request.
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// This behaves the same as Parse, but accepts a request and an extractor
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// instead of a token string. The Extractor interface allows you to define
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// the logic for extracting a token. Several useful implementations are provided.
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//
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// You can provide options to modify parsing behavior
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func ParseFromRequest(req *http.Request, extractor Extractor, keyFunc jwt.Keyfunc, options ...ParseFromRequestOption) (token *jwt.Token, err error) {
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// Create basic parser struct
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p := &fromRequestParser{req, extractor, nil, nil}
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// Handle options
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for _, option := range options {
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option(p)
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}
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// Set defaults
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if p.claims == nil {
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p.claims = jwt.MapClaims{}
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}
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if p.parser == nil {
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p.parser = &jwt.Parser{}
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}
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// perform extract
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tokenString, err := p.extractor.ExtractToken(req)
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if err != nil {
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return nil, err
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}
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// perform parse
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return p.parser.ParseWithClaims(tokenString, p.claims, keyFunc)
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}
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// ParseFromRequestWithClaims is an alias for ParseFromRequest but with custom Claims type.
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//
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// Deprecated: use ParseFromRequest and the WithClaims option
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func ParseFromRequestWithClaims(req *http.Request, extractor Extractor, claims jwt.Claims, keyFunc jwt.Keyfunc) (token *jwt.Token, err error) {
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return ParseFromRequest(req, extractor, keyFunc, WithClaims(claims))
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}
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type fromRequestParser struct {
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req *http.Request
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extractor Extractor
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claims jwt.Claims
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parser *jwt.Parser
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}
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type ParseFromRequestOption func(*fromRequestParser)
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// WithClaims parses with custom claims
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func WithClaims(claims jwt.Claims) ParseFromRequestOption {
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return func(p *fromRequestParser) {
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p.claims = claims
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}
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}
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// WithParser parses using a custom parser
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func WithParser(parser *jwt.Parser) ParseFromRequestOption {
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return func(p *fromRequestParser) {
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p.parser = parser
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}
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}
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