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@gcmurphy @alexandear @jonmcclintock @ccojocar
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// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package gosec
import (
"go/ast"
"reflect"
)
// The Rule interface used by all rules supported by gosec.
type Rule interface {
ID() string
Match(ast.Node, *Context) (*Issue, error)
}
// RuleBuilder is used to register a rule definition with the analyzer
type RuleBuilder func(id string, c Config) (Rule, []ast.Node)
// A RuleSet maps lists of rules to the type of AST node they should be run on.
// The analyzer will only invoke rules contained in the list associated with the
// type of AST node it is currently visiting.
type RuleSet map[reflect.Type][]Rule
// NewRuleSet constructs a new RuleSet
func NewRuleSet() RuleSet {
return make(RuleSet)
}
// Register adds a trigger for the supplied rule for the the
// specified ast nodes.
func (r RuleSet) Register(rule Rule, nodes ...ast.Node) {
for _, n := range nodes {
t := reflect.TypeOf(n)
if rules, ok := r[t]; ok {
r[t] = append(rules, rule)
} else {
r[t] = []Rule{rule}
}
}
}
// RegisteredFor will return all rules that are registered for a
// specified ast node.
func (r RuleSet) RegisteredFor(n ast.Node) []Rule {
if rules, found := r[reflect.TypeOf(n)]; found {
return rules
}
return []Rule{}
}
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