45 lines
1.1 KiB
Go
45 lines
1.1 KiB
Go
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package storage
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import (
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"net/url"
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"strings"
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)
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// NormalizeObjectKey converts stored avatar/object refs to a stable S3 object key.
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// Accepts legacy full URLs, /{bucket}/... paths, or raw keys like avatars/{tenant}/{uid}.png.
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func NormalizeObjectKey(bucket, ref string) string {
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ref = strings.TrimSpace(ref)
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if ref == "" || bucket == "" {
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return ref
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}
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bucket = strings.Trim(bucket, "/")
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ref = strings.Trim(ref, "/")
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if strings.Contains(ref, "://") {
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parsed, err := url.Parse(ref)
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if err != nil {
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return ref
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}
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ref = strings.Trim(parsed.Path, "/")
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}
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prefix := bucket + "/"
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if strings.HasPrefix(ref, prefix) {
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return strings.TrimPrefix(ref, prefix)
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}
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if strings.HasPrefix(ref, "/"+prefix) {
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return strings.TrimPrefix(strings.TrimPrefix(ref, "/"), prefix)
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}
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return ref
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}
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// PublicObjectPath builds a same-origin browser path: /{bucket}/{key}.
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func PublicObjectPath(bucket, key string) string {
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bucket = strings.Trim(strings.TrimSpace(bucket), "/")
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key = strings.Trim(strings.TrimSpace(key), "/")
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if bucket == "" || key == "" {
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return ""
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}
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return "/" + bucket + "/" + key
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}
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