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123 lines
3.1 KiB
123 lines
3.1 KiB
/*
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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 condition
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import (
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"encoding/json"
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"fmt"
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)
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type name string
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const (
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stringEquals name = "StringEquals"
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stringNotEquals = "StringNotEquals"
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stringEqualsIgnoreCase = "StringEqualsIgnoreCase"
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stringNotEqualsIgnoreCase = "StringNotEqualsIgnoreCase"
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stringLike = "StringLike"
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stringNotLike = "StringNotLike"
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binaryEquals = "BinaryEquals"
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ipAddress = "IpAddress"
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notIPAddress = "NotIpAddress"
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null = "Null"
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boolean = "Bool"
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numericEquals = "NumericEquals"
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numericNotEquals = "NumericNotEquals"
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numericLessThan = "NumericLessThan"
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numericLessThanEquals = "NumericLessThanEquals"
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numericGreaterThan = "NumericGreaterThan"
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numericGreaterThanEquals = "NumericGreaterThanEquals"
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dateEquals = "DateEquals"
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dateNotEquals = "DateNotEquals"
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dateLessThan = "DateLessThan"
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dateLessThanEquals = "DateLessThanEquals"
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dateGreaterThan = "DateGreaterThan"
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dateGreaterThanEquals = "DateGreaterThanEquals"
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)
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var supportedConditions = []name{
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stringEquals,
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stringNotEquals,
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stringEqualsIgnoreCase,
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stringNotEqualsIgnoreCase,
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binaryEquals,
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stringLike,
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stringNotLike,
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ipAddress,
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notIPAddress,
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null,
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boolean,
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numericEquals,
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numericNotEquals,
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numericLessThan,
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numericLessThanEquals,
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numericGreaterThan,
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numericGreaterThanEquals,
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dateEquals,
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dateNotEquals,
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dateLessThan,
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dateLessThanEquals,
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dateGreaterThan,
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dateGreaterThanEquals,
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// Add new conditions here.
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}
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// IsValid - checks if name is valid or not.
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func (n name) IsValid() bool {
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for _, supn := range supportedConditions {
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if n == supn {
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return true
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}
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}
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return false
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}
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// MarshalJSON - encodes name to JSON data.
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func (n name) MarshalJSON() ([]byte, error) {
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if !n.IsValid() {
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return nil, fmt.Errorf("invalid name %v", n)
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}
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return json.Marshal(string(n))
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}
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// UnmarshalJSON - decodes JSON data to condition name.
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func (n *name) 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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parsedName, err := parseName(s)
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if err != nil {
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return err
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}
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*n = parsedName
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return nil
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}
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func parseName(s string) (name, error) {
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n := name(s)
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if n.IsValid() {
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return n, nil
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}
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return n, fmt.Errorf("invalid condition name '%v'", s)
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}
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