69 lines
1.2 KiB
Go
69 lines
1.2 KiB
Go
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package s3
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import (
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"path"
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"strings"
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"github.com/minio/minio-go/v7"
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)
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type S3Class int
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const (
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ROOT S3Class = 1 << iota
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BUCKET
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COMMON_PREFIX
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OBJECT
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OPAQUE_KEY
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KEY = COMMON_PREFIX | OBJECT | OPAQUE_KEY
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)
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type S3Path struct {
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Path string
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Class S3Class
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Bucket string
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Key string
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}
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func NewS3Path(p string) S3Path {
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// Remove first dot, eq. relative directory == "/"
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if len(p) > 0 && p[0] == '.' {
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p = p[1:]
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}
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// Add the first slash if missing
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p = "/" + p
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// Clean path using golang tools
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p = path.Clean(p)
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exploded_path := strings.SplitN(p, "/", 3)
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// If there is no bucket name (eg. "/")
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if len(exploded_path) < 2 || exploded_path[1] == "" {
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return S3Path{p, ROOT, "", ""}
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}
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// If there is no key
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if len(exploded_path) < 3 || exploded_path[2] == "" {
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return S3Path{p, BUCKET, exploded_path[1], ""}
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}
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return S3Path{p, OPAQUE_KEY, exploded_path[1], exploded_path[2]}
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}
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func NewTrustedS3Path(bucket string, obj minio.ObjectInfo) S3Path {
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cl := OBJECT
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if obj.Key[len(obj.Key)-1:] == "/" {
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cl = COMMON_PREFIX
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}
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return S3Path{
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Path: path.Join("/", bucket, obj.Key),
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Bucket: bucket,
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Key: obj.Key,
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Class: cl,
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}
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}
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