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ferret/pkg/stdlib/html/download.go
Tim Voronov 24d8eedd4c
Feature/doc markup (#543)
* Added release notes

* #509 fixedOCOD typo

* Updated values

* Updated comments

* Changed stdlib docs format

* Changed format of array in docs

* Use 'any' instead of 'value' in docs

* New format for optional params

* Updated docs for testing package

* Added namespace information
2020-08-07 21:49:29 -04:00

46 lines
891 B
Go

package html
import (
"context"
"io/ioutil"
"net/http"
"github.com/MontFerret/ferret/pkg/runtime/core"
"github.com/MontFerret/ferret/pkg/runtime/values"
"github.com/MontFerret/ferret/pkg/runtime/values/types"
)
// DOWNLOAD downloads a resource from the given GetURL.
// @param {String} url - URL to download.
// @return {Binary} - A base64 encoded string in binary format.
func Download(_ context.Context, args ...core.Value) (core.Value, error) {
err := core.ValidateArgs(args, 1, 1)
if err != nil {
return values.None, err
}
arg1 := args[0]
err = core.ValidateType(arg1, types.String)
if err != nil {
return values.None, err
}
resp, err := http.Get(arg1.String())
if err != nil {
return values.None, err
}
defer resp.Body.Close()
data, err := ioutil.ReadAll(resp.Body)
if err != nil {
return values.None, err
}
return values.NewBinary(data), nil
}