You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
1.6 KiB
88 lines
1.6 KiB
package main
|
|
|
|
import (
|
|
"bufio"
|
|
"errors"
|
|
"fmt"
|
|
"os"
|
|
"path"
|
|
"strconv"
|
|
)
|
|
|
|
// Write metadata from Upload struct to file
|
|
func metadataWrite(filename string, upload *Upload) error {
|
|
// Write metadata, overwriting if necessary
|
|
|
|
file, err := os.Create(path.Join(Config.metaDir, upload.Filename))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
defer file.Close()
|
|
|
|
w := bufio.NewWriter(file)
|
|
|
|
fmt.Fprintln(w, upload.Expiry)
|
|
fmt.Fprintln(w, upload.DeleteKey)
|
|
|
|
return w.Flush()
|
|
}
|
|
|
|
// Return list of strings from a filename's metadata source
|
|
func metadataRead(filename string) ([]string, error) {
|
|
file, err := os.Create(path.Join(Config.metaDir, filename))
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
defer file.Close()
|
|
|
|
var lines []string
|
|
scanner := bufio.NewScanner(file)
|
|
for scanner.Scan() {
|
|
lines = append(lines, scanner.Text())
|
|
}
|
|
|
|
return lines, scanner.Err()
|
|
}
|
|
|
|
func metadataGetExpiry(filename string) (int32, error) {
|
|
metadata, err := metadataRead(filename)
|
|
|
|
if len(metadata) < 1 {
|
|
err := errors.New("ERR: Metadata file does not contain expiry")
|
|
return 0, err
|
|
}
|
|
|
|
// XXX in this case it's up to the caller to determine proper behavior
|
|
// for a nonexistant metadata file or broken file
|
|
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
var expiry int64
|
|
expiry, err = strconv.ParseInt(metadata[0], 10, 32)
|
|
|
|
if err != nil {
|
|
return 0, err
|
|
} else {
|
|
return int32(expiry), err
|
|
}
|
|
}
|
|
|
|
func metadataGetDeleteKey(filename string) (string, error) {
|
|
metadata, err := metadataRead(filename)
|
|
|
|
if len(metadata) < 2 {
|
|
err := errors.New("ERR: Metadata file does not contain deletion key")
|
|
return "", err
|
|
}
|
|
|
|
if err != nil {
|
|
return "", err
|
|
} else {
|
|
return metadata[1], err
|
|
}
|
|
}
|