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|
package msgview
import (
"encoding/base64"
"errors"
"fmt"
"io"
"mime/quotedprintable"
"os"
"path/filepath"
"strings"
"time"
"git.sr.ht/~sircmpwn/aerc/widgets"
"git.sr.ht/~sircmpwn/getopt"
"github.com/mitchellh/go-homedir"
)
func init() {
register("save", Save)
}
func Save(aerc *widgets.Aerc, args []string) error {
opts, optind, err := getopt.Getopts(args, "p")
if err != nil {
return err
}
var (
mkdirs bool
path string
)
for _, opt := range opts {
switch opt.Option {
case 'p':
mkdirs = true
}
}
if len(args) == optind+1 {
path = args[optind]
} else if defaultPath := aerc.Config().General.DefaultSavePath; defaultPath != "" {
path = defaultPath
} else {
return errors.New("Usage: :save [-p] <path>")
}
mv := aerc.SelectedTab().(*widgets.MessageViewer)
p := mv.CurrentPart()
p.Store.FetchBodyPart(p.Msg.Uid, p.Index, func(reader io.Reader) {
// email parts are encoded as 7bit (plaintext), quoted-printable, or base64
if strings.EqualFold(p.Part.Encoding, "base64") {
reader = base64.NewDecoder(base64.StdEncoding, reader)
} else if strings.EqualFold(p.Part.Encoding, "quoted-printable") {
reader = quotedprintable.NewReader(reader)
}
var pathIsDir bool
if path[len(path)-1:] == "/" {
pathIsDir = true
}
// Note: path expansion has to happen after test for trailing /,
// since it is stripped when path is expanded
path, err := homedir.Expand(path)
if err != nil {
aerc.PushError(" " + err.Error())
}
pathinfo, err := os.Stat(path)
if err == nil && pathinfo.IsDir() {
pathIsDir = true
} else if os.IsExist(err) && pathIsDir {
aerc.PushError("The given directory is an existing file")
}
var (
save_file string
save_dir string
)
if pathIsDir {
save_dir = path
if filename, ok := p.Part.DispositionParams["filename"]; ok {
save_file = filename
} else {
timestamp := time.Now().Format("2006-01-02-150405")
save_file = fmt.Sprintf("aerc_%v", timestamp)
}
} else {
save_file = filepath.Base(path)
save_dir = filepath.Dir(path)
}
if _, err := os.Stat(save_dir); os.IsNotExist(err) {
if mkdirs {
os.MkdirAll(save_dir, 0755)
} else {
aerc.PushError("Target directory does not exist, use " +
":save with the -p option to create it")
return
}
}
target := filepath.Clean(filepath.Join(save_dir, save_file))
f, err := os.Create(target)
if err != nil {
aerc.PushError(" " + err.Error())
return
}
defer f.Close()
_, err = io.Copy(f, reader)
if err != nil {
aerc.PushError(" " + err.Error())
return
}
aerc.PushStatus("Saved to "+target, 10*time.Second)
})
return nil
}
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