mirror of https://github.com/portainer/portainer
71 lines
3.0 KiB
Go
71 lines
3.0 KiB
Go
package stacks
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import (
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"net/http"
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"path"
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httperror "github.com/portainer/libhttp/error"
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"github.com/portainer/libhttp/request"
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"github.com/portainer/libhttp/response"
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"github.com/portainer/portainer/api"
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bolterrors "github.com/portainer/portainer/api/bolt/errors"
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"github.com/portainer/portainer/api/http/errors"
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"github.com/portainer/portainer/api/http/security"
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)
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type stackFileResponse struct {
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StackFileContent string `json:"StackFileContent"`
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}
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// GET request on /api/stacks/:id/file
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func (handler *Handler) stackFile(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
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stackID, err := request.RetrieveNumericRouteVariableValue(r, "id")
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if err != nil {
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return &httperror.HandlerError{http.StatusBadRequest, "Invalid stack identifier route variable", err}
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}
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stack, err := handler.DataStore.Stack().Stack(portainer.StackID(stackID))
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if err == bolterrors.ErrObjectNotFound {
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return &httperror.HandlerError{http.StatusNotFound, "Unable to find a stack with the specified identifier inside the database", err}
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} else if err != nil {
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return &httperror.HandlerError{http.StatusInternalServerError, "Unable to find a stack with the specified identifier inside the database", err}
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}
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endpoint, err := handler.DataStore.Endpoint().Endpoint(stack.EndpointID)
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if err == bolterrors.ErrObjectNotFound {
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return &httperror.HandlerError{http.StatusNotFound, "Unable to find an endpoint with the specified identifier inside the database", err}
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} else if err != nil {
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return &httperror.HandlerError{http.StatusInternalServerError, "Unable to find an endpoint with the specified identifier inside the database", err}
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}
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err = handler.requestBouncer.AuthorizedEndpointOperation(r, endpoint, true)
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if err != nil {
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return &httperror.HandlerError{http.StatusForbidden, "Permission denied to access endpoint", err}
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}
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resourceControl, err := handler.DataStore.ResourceControl().ResourceControlByResourceIDAndType(stack.Name, portainer.StackResourceControl)
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if err != nil {
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return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve a resource control associated to the stack", err}
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}
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securityContext, err := security.RetrieveRestrictedRequestContext(r)
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if err != nil {
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return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve info from request context", err}
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}
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access, err := handler.userCanAccessStack(securityContext, endpoint.ID, resourceControl)
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if err != nil {
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return &httperror.HandlerError{http.StatusInternalServerError, "Unable to verify user authorizations to validate stack access", err}
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}
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if !access {
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return &httperror.HandlerError{http.StatusForbidden, "Access denied to resource", errors.ErrResourceAccessDenied}
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}
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stackFileContent, err := handler.FileService.GetFileContent(path.Join(stack.ProjectPath, stack.EntryPoint))
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if err != nil {
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return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve Compose file from disk", err}
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}
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return response.JSON(w, &stackFileResponse{StackFileContent: string(stackFileContent)})
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}
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