arlo-go/util.go

139 lines
3.7 KiB
Go

/*
* Copyright (c) 2018 Jeffrey Walter <jeffreydwalter@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
* documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package arlo
import (
"fmt"
"io"
"math"
"math/rand"
"net/http"
"strconv"
"strings"
"time"
"github.com/jeffreydwalter/arlo-go/internal/request"
"github.com/jeffreydwalter/arlo-go/internal/util"
"github.com/pkg/errors"
)
func checkRequest(resp *request.Response, err error, msg string) error {
if err != nil {
return errors.WithMessage(err, msg)
}
defer resp.Body.Close()
var status Status
if err := resp.Decode(&status); err != nil {
return err
}
if status.Success == false {
return errors.WithMessage(errors.New(status.Reason), msg)
}
return nil
}
func genTransId() string {
source := rand.NewSource(time.Now().UnixNano())
random := rand.New(source)
e := random.Float64() * math.Pow(2, 32)
ms := time.Now().UnixNano() / (int64(time.Millisecond) / int64(time.Nanosecond))
return fmt.Sprintf("%s!%s!%s", TransIdPrefix, strings.ToLower(util.FloatToHex(e)), strconv.Itoa(int(ms)))
}
func (a *Arlo) get(uri, xCloudId string, header http.Header) (*request.Response, error) {
a.client.AddHeader("xcloudId", xCloudId)
return a.client.Get(uri, header)
}
func (a *Arlo) put(uri, xCloudId string, body interface{}, header http.Header) (*request.Response, error) {
a.client.AddHeader("xcloudId", xCloudId)
return a.client.Put(uri, body, header)
}
func (a *Arlo) post(uri, xCloudId string, body interface{}, header http.Header) (*request.Response, error) {
a.client.AddHeader("xcloudId", xCloudId)
return a.client.Post(uri, body, header)
}
/*
func (a *Arlo) DownloadFile(url, to string) error {
msg := fmt.Sprintf("failed to download file (%s) => (%s)", url, to)
resp, err := a.get(url, "", nil)
if err != nil {
return errors.WithMessage(err, msg)
}
defer resp.Body.Close()
f, err := os.Create(to)
if err != nil {
return errors.WithMessage(err, msg)
}
_, err = io.Copy(f, resp.Body)
defer f.Close()
if err != nil {
return errors.WithMessage(err, msg)
}
return nil
}
*/
func (a *Arlo) DownloadFile(url string, w io.Writer) error {
msg := fmt.Sprintf("failed to download file (%s)", url)
resp, err := a.get(url, "", nil)
if err != nil {
return errors.WithMessage(err, msg)
}
defer resp.Body.Close()
_, err = io.Copy(w, resp.Body)
if err != nil {
return errors.WithMessage(err, msg)
}
return nil
}
func UnixMicro(t time.Time) int64 {
ns := t.UnixNano()
if ns < 0 {
return (ns - 999) / 1000
}
return ns / 1000
}
func UnixMilli(t time.Time) int64 {
ns := t.UnixNano()
if ns < 0 {
return (ns - 999999) / 1000000
}
return ns / 1000000
}
func FromUnixMicro(µs int64) time.Time { return time.Unix(0, 1000*µs) }
func FromUnixMilli(ms int64) time.Time { return time.Unix(0, 1000000*ms) }