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https://github.com/woodpecker-ci/woodpecker.git
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60 lines
1.8 KiB
Go
60 lines
1.8 KiB
Go
// (c) Copyright 2016 Hewlett Packard Enterprise Development LP
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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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package rules
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import (
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"go/ast"
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"github.com/securego/gosec/v2"
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)
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type templateCheck struct {
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gosec.MetaData
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calls gosec.CallList
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}
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func (t *templateCheck) ID() string {
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return t.MetaData.ID
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}
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func (t *templateCheck) Match(n ast.Node, c *gosec.Context) (*gosec.Issue, error) {
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if node := t.calls.ContainsPkgCallExpr(n, c, false); node != nil {
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for _, arg := range node.Args {
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if _, ok := arg.(*ast.BasicLit); !ok { // basic lits are safe
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return gosec.NewIssue(c, n, t.ID(), t.What, t.Severity, t.Confidence), nil
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}
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}
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}
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return nil, nil
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}
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// NewTemplateCheck constructs the template check rule. This rule is used to
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// find use of templates where HTML/JS escaping is not being used
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func NewTemplateCheck(id string, conf gosec.Config) (gosec.Rule, []ast.Node) {
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calls := gosec.NewCallList()
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calls.Add("html/template", "HTML")
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calls.Add("html/template", "HTMLAttr")
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calls.Add("html/template", "JS")
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calls.Add("html/template", "URL")
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return &templateCheck{
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calls: calls,
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MetaData: gosec.MetaData{
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ID: id,
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Severity: gosec.Medium,
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Confidence: gosec.Low,
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What: "this method will not auto-escape HTML. Verify data is well formed.",
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},
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}, []ast.Node{(*ast.CallExpr)(nil)}
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}
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