bilibili-backup/app/admin/main/push/service/upload.go
2019-04-22 02:59:20 +00:00

110 lines
2.6 KiB
Go

package service
import (
"bytes"
"context"
"crypto/md5"
"fmt"
"io"
"mime/multipart"
"net/http"
"net/url"
"os"
"sort"
"strconv"
"strings"
"time"
"go-common/library/ecode"
"go-common/library/log"
)
// Upload add mids file.
func (s *Service) Upload(c context.Context, dir, path string, data []byte) (err error) {
if _, err = os.Stat(dir); err != nil {
if !os.IsNotExist(err) {
log.Error("os.IsNotExist(%s) error(%v)", dir, err)
return
}
if err = os.MkdirAll(dir, 0777); err != nil {
log.Error("os.MkdirAll(%s) error(%v)", dir, err)
return
}
}
f, err := os.OpenFile(path, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
log.Error("s.Upload(%s) error(%v)", path, err)
return
}
defer f.Close()
if _, err = f.Write(data); err != nil {
log.Error("f.Write() error(%v)", err)
}
return
}
// Upimg upload image
func (s *Service) Upimg(ctx context.Context, file multipart.File, header *multipart.FileHeader) (url string, err error) {
buf := new(bytes.Buffer)
w := multipart.NewWriter(buf)
dest, err := w.CreateFormFile("file", header.Filename)
if err != nil {
log.Error("Upimg CreateFormFile error(%v)", err)
return
}
if _, err = io.Copy(dest, file); err != nil {
log.Error("Upimg Copy error(%v)", err)
return
}
w.Close()
query := map[string]string{
"ts": strconv.FormatInt(time.Now().Unix(), 10),
"appkey": s.c.HTTPClient.App.Key,
}
query["sign"] = sign(query, s.c.HTTPClient.App.Secret)
u := fmt.Sprintf("%s?ts=%s&appkey=%s&sign=%s", s.c.Cfg.UpimgURL, query["ts"], query["appkey"], query["sign"])
req, err := http.NewRequest(http.MethodPost, u, buf)
if err != nil {
log.Error("http.NewRequest(%s) error(%v)", u, err)
return
}
req.Header.Set("Content-Type", w.FormDataContentType())
res := &struct {
Code int `json:"code"`
Message string `json:"message"`
Data struct {
URL string `json:"url"`
} `json:"data"`
}{}
if err = s.httpClient.Do(context.TODO(), req, &res); err != nil {
log.Error("httpClient.Do() error(%v)", err)
return
}
if !ecode.Int(res.Code).Equal(ecode.OK) {
log.Error("upimg error code(%d)", res.Code)
err = ecode.Int(res.Code)
return
}
url = strings.Replace(res.Data.URL, "http://", "https://", 1)
return
}
func sign(params map[string]string, secret string) string {
var keys []string
for k := range params {
keys = append(keys, k)
}
sort.Strings(keys)
buf := bytes.Buffer{}
for _, k := range keys {
if buf.Len() > 0 {
buf.WriteByte('&')
}
buf.WriteString(url.QueryEscape(k) + "=")
buf.WriteString(url.QueryEscape(params[k]))
}
h := md5.New()
io.WriteString(h, buf.String()+secret)
return fmt.Sprintf("%x", h.Sum(nil))
}