106 lines
3.8 KiB
Go
106 lines
3.8 KiB
Go
package acl
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import (
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"fmt"
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"strconv"
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"strings"
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)
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// BasicACL is Access Control List that defines who can interact with containers and what exactly they can do.
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type BasicACL uint32
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func (a BasicACL) String() string {
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return fmt.Sprintf("0x%08x", uint32(a))
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}
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const (
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// PublicBasicRule is a basic ACL value for final public-read-write container for which extended ACL CANNOT be set.
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PublicBasicRule BasicACL = 0x1FBFBFFF
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// PrivateBasicRule is a basic ACL value for final private container for which extended ACL CANNOT be set.
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PrivateBasicRule BasicACL = 0x1C8C8CCC
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// ReadOnlyBasicRule is a basic ACL value for final public-read container for which extended ACL CANNOT be set.
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ReadOnlyBasicRule BasicACL = 0x1FBF8CFF
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// PublicAppendRule is a basic ACL value for final public-append container for which extended ACL CANNOT be set.
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PublicAppendRule BasicACL = 0x1FBF9FFF
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// EACLPublicBasicRule is a basic ACL value for non-final public-read-write container for which extended ACL CAN be set.
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EACLPublicBasicRule BasicACL = 0x0FBFBFFF
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// EACLPrivateBasicRule is a basic ACL value for non-final private container for which extended ACL CAN be set.
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EACLPrivateBasicRule BasicACL = 0x0C8C8CCC
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// EACLReadOnlyBasicRule is a basic ACL value for non-final public-read container for which extended ACL CAN be set.
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EACLReadOnlyBasicRule BasicACL = 0x0FBF8CFF
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// EACLPublicAppendRule is a basic ACL value for non-final public-append container for which extended ACL CAN be set.
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EACLPublicAppendRule BasicACL = 0x0FBF9FFF
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)
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const (
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// PublicBasicName is a well-known name for 0x1FBFBFFF basic ACL.
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// It represents fully-public container without eACL.
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PublicBasicName = "public-read-write"
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// PrivateBasicName is a well-known name for 0x1C8C8CCC basic ACL.
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// It represents fully-private container without eACL.
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PrivateBasicName = "private"
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// ReadOnlyBasicName is a well-known name for 0x1FBF8CFF basic ACL.
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// It represents public read-only container without eACL.
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ReadOnlyBasicName = "public-read"
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// PublicAppendName is a well-known name for 0x1FBF9FFF basic ACL.
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// It represents fully-public container without eACL except DELETE operation is only allowed on the owner.
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PublicAppendName = "public-append"
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// EACLPublicBasicName is a well-known name for 0x0FBFBFFF basic ACL.
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// It represents fully-public container that allows eACL.
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EACLPublicBasicName = "eacl-public-read-write"
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// EACLPrivateBasicName is a well-known name for 0x0C8C8CCC basic ACL.
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// It represents fully-private container that allows eACL.
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EACLPrivateBasicName = "eacl-private"
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// EACLReadOnlyBasicName is a well-known name for 0x0FBF8CFF basic ACL.
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// It represents public read-only container that allows eACL.
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EACLReadOnlyBasicName = "eacl-public-read"
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// EACLPublicAppendName is a well-known name for 0x0FBF9FFF basic ACL.
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// It represents fully-public container that allows eACL except DELETE operation is only allowed on the owner.
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EACLPublicAppendName = "eacl-public-append"
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)
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// ParseBasicACL parse string ACL (well-known names or hex representation).
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func ParseBasicACL(basicACL string) (BasicACL, error) {
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switch basicACL {
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case PublicBasicName:
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return PublicBasicRule, nil
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case PrivateBasicName:
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return PrivateBasicRule, nil
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case ReadOnlyBasicName:
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return ReadOnlyBasicRule, nil
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case PublicAppendName:
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return PublicAppendRule, nil
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case EACLPublicBasicName:
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return EACLPublicBasicRule, nil
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case EACLPrivateBasicName:
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return EACLPrivateBasicRule, nil
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case EACLReadOnlyBasicName:
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return EACLReadOnlyBasicRule, nil
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case EACLPublicAppendName:
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return EACLPublicAppendRule, nil
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default:
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basicACL = strings.TrimPrefix(strings.ToLower(basicACL), "0x")
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value, err := strconv.ParseUint(basicACL, 16, 32)
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if err != nil {
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return 0, fmt.Errorf("can't parse basic ACL: %s", basicACL)
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}
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return BasicACL(value), nil
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}
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}
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