46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
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package objectstorage
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import (
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"net/url"
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"strings"
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)
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func objectKeyFromPublicURL(publicBase string, value string) (string, bool) {
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value = strings.TrimSpace(value)
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publicBase = strings.TrimRight(strings.TrimSpace(publicBase), "/")
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if value == "" || publicBase == "" {
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return "", false
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}
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if strings.HasPrefix(value, publicBase+"/") {
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return unescapeObjectKey(strings.TrimPrefix(strings.Split(value, "?")[0], publicBase+"/"))
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}
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parsedValue, err := url.Parse(value)
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if err != nil {
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return "", false
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}
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parsedBase, err := url.Parse(publicBase)
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if err != nil {
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return "", false
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}
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basePath := strings.TrimRight(parsedBase.EscapedPath(), "/")
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valuePath := parsedValue.EscapedPath()
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if basePath == "" || !strings.HasPrefix(valuePath, basePath+"/") {
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return "", false
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}
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return unescapeObjectKey(strings.TrimPrefix(valuePath, basePath+"/"))
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}
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func unescapeObjectKey(value string) (string, bool) {
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value = strings.TrimLeft(strings.TrimSpace(value), "/")
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if value == "" {
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return "", false
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}
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objectKey, err := url.PathUnescape(value)
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if err != nil {
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return "", false
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}
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return objectKey, objectKey != ""
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}
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