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package helper
import (
"bytes"
"fmt"
"github.com/42wim/matterbridge/bridge/config"
log "github.com/sirupsen/logrus"
"io"
"net/http"
"time"
)
func DownloadFile(url string) (*[]byte, error) {
return DownloadFileAuth(url, "")
}
func DownloadFileAuth(url string, auth string) (*[]byte, error) {
var buf bytes.Buffer
client := &http.Client{
Timeout: time.Second * 5,
}
req, err := http.NewRequest("GET", url, nil)
if auth != "" {
req.Header.Add("Authorization", auth)
}
if err != nil {
return nil, err
}
resp, err := client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
io.Copy(&buf, resp.Body)
data := buf.Bytes()
return &data, nil
}
func SplitStringLength(input string, length int) string {
a := []rune(input)
str := ""
for i, r := range a {
str = str + string(r)
if i > 0 && (i+1)%length == 0 {
str += "\n"
}
}
return str
}
// handle all the stuff we put into extra
func HandleExtra(msg *config.Message, general *config.Protocol) []config.Message {
extra := msg.Extra
rmsg := []config.Message{}
if len(extra[config.EVENT_FILE_FAILURE_SIZE]) > 0 {
for _, f := range extra[config.EVENT_FILE_FAILURE_SIZE] {
fi := f.(config.FileInfo)
text := fmt.Sprintf("file %s too big to download (%#v > allowed size: %#v)", fi.Name, fi.Size, general.MediaDownloadSize)
rmsg = append(rmsg, config.Message{Text: text, Username: "<system> ", Channel: msg.Channel})
}
return rmsg
}
return rmsg
}
func GetAvatar(av map[string]string, userid string, general *config.Protocol) string {
if sha, ok := av[userid]; ok {
return general.MediaServerDownload + "/" + sha + "/" + userid + ".png"
}
return ""
}
func HandleDownloadSize(flog *log.Entry, msg *config.Message, name string, size int64, general *config.Protocol) error {
flog.Debugf("Trying to download %#v with size %#v", name, size)
if int(size) > general.MediaDownloadSize {
msg.Event = config.EVENT_FILE_FAILURE_SIZE
msg.Extra[msg.Event] = append(msg.Extra[msg.Event], config.FileInfo{Name: name, Comment: msg.Text, Size: size})
return fmt.Errorf("File %#v to large to download (%#v). MediaDownloadSize is %#v", name, size, general.MediaDownloadSize)
}
return nil
}
func HandleDownloadData(flog *log.Entry, msg *config.Message, name, comment, url string, data *[]byte, general *config.Protocol) {
var avatar bool
flog.Debugf("Download OK %#v %#v", name, len(*data))
if msg.Event == config.EVENT_AVATAR_DOWNLOAD {
avatar = true
}
msg.Extra["file"] = append(msg.Extra["file"], config.FileInfo{Name: name, Data: data, URL: url, Comment: comment, Avatar: avatar})
}
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