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6695fd6a61
In existing functionality we simply return a generic error such as "MalformedPolicy" which indicates just a generic string "invalid resource" which is not very meaningful when there might be multiple types of errors during policy parsing. This PR ensures that we send these errors back to client to indicate the actual error, brings in two concrete types such as - iampolicy.Error - policy.Error Refer #8202
78 lines
1.6 KiB
Go
78 lines
1.6 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package policy
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import (
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"encoding/json"
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)
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// Effect - policy statement effect Allow or Deny.
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type Effect string
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const (
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// Allow - allow effect.
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Allow Effect = "Allow"
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// Deny - deny effect.
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Deny = "Deny"
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)
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// IsAllowed - returns if given check is allowed or not.
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func (effect Effect) IsAllowed(b bool) bool {
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if effect == Allow {
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return b
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}
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return !b
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}
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// IsValid - checks if Effect is valid or not
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func (effect Effect) IsValid() bool {
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switch effect {
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case Allow, Deny:
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return true
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}
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return false
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}
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// MarshalJSON - encodes Effect to JSON data.
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func (effect Effect) MarshalJSON() ([]byte, error) {
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if !effect.IsValid() {
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return nil, Errorf("invalid effect '%v'", effect)
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}
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return json.Marshal(string(effect))
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}
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// UnmarshalJSON - decodes JSON data to Effect.
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func (effect *Effect) UnmarshalJSON(data []byte) error {
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var s string
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if err := json.Unmarshal(data, &s); err != nil {
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return err
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}
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e := Effect(s)
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if !e.IsValid() {
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return Errorf("invalid effect '%v'", s)
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}
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*effect = e
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return nil
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}
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