interpreter/console.go

package interpreter

import (
	"io"
	"net/http"
	"strings"

	"github.com/pkg/errors"
	"github.com/ysugimoto/falco/interpreter/context"
	"github.com/ysugimoto/falco/interpreter/process"
	"github.com/ysugimoto/falco/interpreter/variable"
)

const consoleBackendResponseBody = "falco_console_response"

func (i *Interpreter) ConsoleProcessInit() error {
	var err error
	i.ctx = context.New(i.options...)

	// On console process, all request/response variables should be set initially
	i.ctx.Request, err = http.NewRequest(http.MethodGet, "http://localhost:3124", nil)
	if err != nil {
		return errors.WithStack(err)
	}
	i.ctx.BackendRequest, err = http.NewRequest(http.MethodGet, "http://localhost:3124", nil)
	if err != nil {
		return errors.WithStack(err)
	}
	i.ctx.BackendResponse = &http.Response{
		StatusCode:    http.StatusOK,
		Status:        http.StatusText(http.StatusOK),
		Proto:         "HTTP/1.1",
		ProtoMajor:    1,
		ProtoMinor:    1,
		Header:        http.Header{},
		Body:          io.NopCloser(strings.NewReader(consoleBackendResponseBody)),
		ContentLength: int64(len(consoleBackendResponseBody)),
		Close:         true,
		Uncompressed:  false,
		Trailer:       http.Header{},
		Request:       nil,
	}
	i.ctx.Response = i.cloneResponse(i.ctx.BackendResponse)
	i.ctx.Object = i.cloneResponse(i.ctx.BackendResponse)
	i.ctx.Scope = context.InitScope
	i.process = process.New()
	i.vars = variable.NewAllScopeVariables(i.ctx)
	return nil
}