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middleware.go
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middleware.go
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package curriculum
import (
"github.com/chrsep/vor/pkg/auth"
"github.com/chrsep/vor/pkg/rest"
"github.com/go-chi/chi"
"github.com/google/uuid"
"net/http"
)
func curriculumAuthMiddleware(server rest.Server, store Store) func(next http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return server.NewHandler(func(w http.ResponseWriter, r *http.Request) *rest.Error {
session, ok := auth.GetSessionFromCtx(r.Context())
if !ok {
return auth.NewGetSessionError()
}
curriculumId := chi.URLParam(r, "curriculumId")
if _, err := uuid.Parse(curriculumId); err != nil {
return &rest.Error{
http.StatusNotFound,
"Can't find the specified curriculum",
err,
}
}
userHasAccess, err := store.CheckCurriculumPermission(curriculumId, session.UserId)
if err != nil {
return &rest.Error{http.StatusInternalServerError, "Internal Server Error", err}
}
if !userHasAccess {
return &rest.Error{http.StatusNotFound, "Subject not found", err}
}
next.ServeHTTP(w, r)
return nil
})
}
}
func subjectAuthMiddleware(server rest.Server, store Store) func(next http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return server.NewHandler(func(w http.ResponseWriter, r *http.Request) *rest.Error {
session, ok := auth.GetSessionFromCtx(r.Context())
if !ok {
return auth.NewGetSessionError()
}
subjectId := chi.URLParam(r, "subjectId")
userHasAccess, err := store.CheckSubjectPermissions(subjectId, session.UserId)
if err != nil {
return &rest.Error{http.StatusInternalServerError, "Internal Server Error", err}
}
if !userHasAccess {
return &rest.Error{http.StatusNotFound, "Subject not found", err}
}
next.ServeHTTP(w, r)
return nil
})
}
}
func areaAuthMiddleware(server rest.Server, store Store) func(next http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return server.NewHandler(func(w http.ResponseWriter, r *http.Request) *rest.Error {
areaId := chi.URLParam(r, "areaId")
session, ok := auth.GetSessionFromCtx(r.Context())
if !ok {
return auth.NewGetSessionError()
}
userHasAccess, err := store.CheckAreaPermissions(areaId, session.UserId)
if err != nil {
return &rest.Error{http.StatusInternalServerError, "Internal Server Error", err}
}
if !userHasAccess {
return &rest.Error{http.StatusNotFound, "Area not found", err}
}
next.ServeHTTP(w, r)
return nil
})
}
}
func materialAuthMiddleware(server rest.Server, store Store) func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return server.NewHandler(func(w http.ResponseWriter, r *http.Request) *rest.Error {
materialId := chi.URLParam(r, "materialId")
session, ok := auth.GetSessionFromCtx(r.Context())
if !ok {
return auth.NewGetSessionError()
}
userHasAccess, err := store.CheckMaterialPermission(materialId, session.UserId)
if err != nil {
return &rest.Error{
http.StatusInternalServerError,
"Internal Server Error",
err,
}
}
if !userHasAccess {
return &rest.Error{
http.StatusNotFound,
"Area not found",
err,
}
}
next.ServeHTTP(w, r)
return nil
})
}
}