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mirror of https://github.com/MontFerret/ferret.git synced 2024-12-16 11:37:36 +02:00
ferret/pkg/stdlib/html/download.go
Tim Voronov 5620be211c
Next (#214)
* Renamed DOCUMENT to PAGE

* Added PageLoadParams

* Added PageLoadParams

* Renamed LoadPageParams -> PageLoadParams

* Added support for context.Done() (#201)

* Bug/#189 operators precedence (#202)

* Fixed math operators precedence

* Fixed logical operators precedence

* Fixed array operator

* Added support for parentheses to enforce a different operator evaluation order

* Feature/#200 drivers (#209)

* Added new interfaces

* Renamed dynamic to cdp driver

* Renamed drivers

* Added ELEMENT_EXISTS function (#210)

* Renamed back PAGE to DOCUMENT (#211)

* Added Getter and Setter interfaces
2018-12-21 23:14:41 -05:00

45 lines
838 B
Go

package html
import (
"context"
"io/ioutil"
"net/http"
"github.com/MontFerret/ferret/pkg/runtime/core"
"github.com/MontFerret/ferret/pkg/runtime/values"
)
// Download a resource from the given URL.
// @param URL (String) - URL to download.
// @returns data (Binary) - Returns 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, core.StringType)
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
}