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