51 lines
1.1 KiB
Go
51 lines
1.1 KiB
Go
package middleware
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import (
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"context"
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"github.com/pkg/errors"
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"net/http"
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"gitea.dwysokinski.me/zdam-egzamin-zawodowy/backend/internal/auth"
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"gitea.dwysokinski.me/zdam-egzamin-zawodowy/backend/internal/model"
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)
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const (
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authorizationHeader = "Authorization"
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)
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var (
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authenticateKey contextKey = "current_user"
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)
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func Authenticate(ucase auth.Usecase) func(next http.Handler) http.Handler {
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return func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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token := extractToken(r.Header.Get("Authorization"))
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if token != "" {
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ctx := r.Context()
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user, err := ucase.ExtractAccessTokenMetadata(ctx, token)
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if err == nil && user != nil {
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ctx = context.WithValue(ctx, authenticateKey, user)
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r = r.WithContext(ctx)
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}
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}
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next.ServeHTTP(w, r)
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})
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}
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}
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func UserFromContext(ctx context.Context) (*model.User, error) {
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user := ctx.Value(authenticateKey)
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if user == nil {
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err := errors.New("couldn't retrieve *model.User")
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return nil, err
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}
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u, ok := user.(*model.User)
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if !ok {
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err := errors.New("*model.User has wrong type")
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return nil, err
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}
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return u, nil
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}
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