Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** This program is distributed in the hope that it will be useful,

** but WITHOUT ANY WARRANTY; without even the implied warranty of

** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

** GNU General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

package file

​

import (

    "bytes"

    "errors"

    "fmt"

)

​

func (p *Plugin) exportContents(params []string) (result interface{}, err error) {

​

    if len(params) != 1 && len(params) != 2 {

        return nil, errors.New("Wrong number of parameters")

    }

​

    var encoder string

​

    if len(params) == 2 {

        encoder = params[1]

    }

​

    f, err := stdOs.Stat(params[0])

    if err != nil {

        return nil, fmt.Errorf("Cannot obtain file %s information: %s", params[0], err)

    }

    filelen := f.Size()

​

    bnum := 64 * 1024

    if filelen > int64(bnum) {

        return nil, errors.New("File is too large for this check")

    }

​

    file, err := stdOs.Open(params[0])

    if err != nil {

        return nil, fmt.Errorf("Cannot open file %s: %s", params[0], err)

    }

    defer file.Close()

​

    buf := bytes.Buffer{}

    if _, err = buf.ReadFrom(file); err != nil {

        return nil, fmt.Errorf("Cannot read from file: %s", err)

    }

​

    outbuf := decode(encoder, buf.Bytes())

​