mirror of
https://github.com/restic/restic.git
synced 2024-08-30 08:07:23 +02:00
82 lines
1.7 KiB
Go
82 lines
1.7 KiB
Go
package s3
|
|
|
|
import (
|
|
"errors"
|
|
"net/url"
|
|
"strings"
|
|
)
|
|
|
|
// Config contains all configuration necessary to connect to an s3 compatible
|
|
// server.
|
|
type Config struct {
|
|
Endpoint string
|
|
UseHTTP bool
|
|
KeyID, Secret string
|
|
Bucket string
|
|
}
|
|
|
|
// ParseConfig parses the string s and extracts the s3 config. The two
|
|
// supported configuration formats are s3://host/bucketname and
|
|
// s3:host:bucketname. The host can also be a valid s3 region name.
|
|
func ParseConfig(s string) (interface{}, error) {
|
|
if strings.HasPrefix(s, "s3://") {
|
|
s = s[5:]
|
|
|
|
data := strings.SplitN(s, "/", 2)
|
|
if len(data) != 2 {
|
|
return nil, errors.New("s3: invalid format, host/region or bucket name not found")
|
|
}
|
|
|
|
cfg := Config{
|
|
Endpoint: data[0],
|
|
Bucket: data[1],
|
|
}
|
|
|
|
return cfg, nil
|
|
}
|
|
|
|
data := strings.SplitN(s, ":", 2)
|
|
if len(data) != 2 {
|
|
return nil, errors.New("s3: invalid format")
|
|
}
|
|
|
|
if data[0] != "s3" {
|
|
return nil, errors.New(`s3: config does not start with "s3"`)
|
|
}
|
|
|
|
s = data[1]
|
|
|
|
cfg := Config{}
|
|
rest := strings.Split(s, "/")
|
|
if len(rest) < 2 {
|
|
return nil, errors.New("s3: region or bucket not found")
|
|
}
|
|
|
|
if len(rest) == 2 {
|
|
// assume that just a region name and a bucket has been specified, in
|
|
// the format region/bucket
|
|
cfg.Endpoint = rest[0]
|
|
cfg.Bucket = rest[1]
|
|
} else {
|
|
// assume that a URL has been specified, parse it and use the path as
|
|
// the bucket name.
|
|
url, err := url.Parse(s)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if url.Path == "" {
|
|
return nil, errors.New("s3: bucket name not found")
|
|
}
|
|
|
|
cfg.Endpoint = url.Host
|
|
if url.Scheme == "http" {
|
|
cfg.UseHTTP = true
|
|
}
|
|
|
|
cfg.Bucket = url.Path[1:]
|
|
}
|
|
|
|
return cfg, nil
|
|
}
|