alai-server/backend/middlewares/auth.go

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package middlewares
import (
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"context"
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"errors"
"net/http"
"strings"
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"git.cromer.cl/Proyecto-Titulo/alai-server/backend/utils"
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"github.com/julienschmidt/httprouter"
)
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type contextKey string
const JWTContextKey contextKey = "JWTClaims"
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func Authenticate(handle httprouter.Handle) httprouter.Handle {
return func(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
reqToken := request.Header.Get("Authorization")
splitToken := strings.Split(reqToken, "Bearer ")
if len(splitToken) < 2 {
utils.JSONErrorOutput(writer, http.StatusUnauthorized, errors.New("no token received").Error())
return
}
tokenString := splitToken[1]
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claims, err := utils.ValidateToken(tokenString)
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if err != nil {
utils.JSONErrorOutput(writer, http.StatusUnauthorized, err.Error())
return
}
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ctx := request.Context()
ctx = context.WithValue(ctx, JWTContextKey, claims)
request = request.WithContext(ctx)
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handle(writer, request, params)
}
}