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85 lines
2.6 KiB
Go
85 lines
2.6 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package event
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// RulesMap - map of rules for every event name.
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type RulesMap map[Name]Rules
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// add - adds event names, prefixes, suffixes and target ID to rules map.
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func (rulesMap RulesMap) add(eventNames []Name, pattern string, targetID TargetID) {
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rules := make(Rules)
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rules.Add(pattern, targetID)
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for _, eventName := range eventNames {
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for _, name := range eventName.Expand() {
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rulesMap[name] = rulesMap[name].Union(rules)
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}
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}
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}
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// Clone - returns copy of this rules map.
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func (rulesMap RulesMap) Clone() RulesMap {
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rulesMapCopy := make(RulesMap)
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for eventName, rules := range rulesMap {
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rulesMapCopy[eventName] = rules.Clone()
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}
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return rulesMapCopy
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}
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// Add - adds given rules map.
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func (rulesMap RulesMap) Add(rulesMap2 RulesMap) {
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for eventName, rules := range rulesMap2 {
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rulesMap[eventName] = rules.Union(rulesMap[eventName])
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}
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}
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// Remove - removes given rules map.
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func (rulesMap RulesMap) Remove(rulesMap2 RulesMap) {
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for eventName, rules := range rulesMap {
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if nr := rules.Difference(rulesMap2[eventName]); len(nr) != 0 {
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rulesMap[eventName] = nr
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} else {
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delete(rulesMap, eventName)
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}
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}
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}
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// MatchSimple - returns true if matching object name and event name in rules map.
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func (rulesMap RulesMap) MatchSimple(eventName Name, objectName string) bool {
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return rulesMap[eventName].MatchSimple(objectName)
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}
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// Match - returns TargetIDSet matching object name and event name in rules map.
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func (rulesMap RulesMap) Match(eventName Name, objectName string) TargetIDSet {
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return rulesMap[eventName].Match(objectName)
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}
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// NewRulesMap - creates new rules map with given values.
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func NewRulesMap(eventNames []Name, pattern string, targetID TargetID) RulesMap {
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// If pattern is empty, add '*' wildcard to match all.
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if pattern == "" {
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pattern = "*"
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}
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rulesMap := make(RulesMap)
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rulesMap.add(eventNames, pattern, targetID)
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return rulesMap
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}
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