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108 lines
2.7 KiB
108 lines
2.7 KiB
package formatter
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import (
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"bytes"
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"fmt"
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"strings"
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"github.com/chavacava/garif"
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"github.com/mgechev/revive/lint"
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)
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// Sarif is an implementation of the Formatter interface
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// which formats revive failures into SARIF format.
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type Sarif struct {
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Metadata lint.FormatterMetadata
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}
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// Name returns the name of the formatter
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func (f *Sarif) Name() string {
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return "sarif"
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}
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const reviveSite = "https://revive.run"
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// Format formats the failures gotten from the lint.
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func (f *Sarif) Format(failures <-chan lint.Failure, cfg lint.Config) (string, error) {
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sarifLog := newReviveRunLog(cfg)
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for failure := range failures {
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sarifLog.AddResult(failure)
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}
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buf := new(bytes.Buffer)
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sarifLog.PrettyWrite(buf)
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return buf.String(), nil
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}
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type reviveRunLog struct {
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*garif.LogFile
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run *garif.Run
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rules map[string]lint.RuleConfig
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}
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func newReviveRunLog(cfg lint.Config) *reviveRunLog {
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run := garif.NewRun(garif.NewTool(garif.NewDriver("revive").WithInformationUri(reviveSite)))
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log := garif.NewLogFile([]*garif.Run{run}, garif.Version210)
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reviveLog := &reviveRunLog{
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log,
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run,
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cfg.Rules,
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}
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reviveLog.addRules(cfg.Rules)
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return reviveLog
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}
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func (l *reviveRunLog) addRules(cfg map[string]lint.RuleConfig) {
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for name, ruleCfg := range cfg {
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rule := garif.NewRule(name).WithHelpUri(reviveSite + "/r#" + name)
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setRuleProperties(rule, ruleCfg)
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driver := l.run.Tool.Driver
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if driver.Rules == nil {
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driver.Rules = []*garif.ReportingDescriptor{rule}
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return
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}
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driver.Rules = append(driver.Rules, rule)
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}
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}
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func (l *reviveRunLog) AddResult(failure lint.Failure) {
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positiveOrZero := func(x int) int {
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if x > 0 {
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return x
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}
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return 0
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}
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position := failure.Position
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filename := position.Start.Filename
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line := positiveOrZero(position.Start.Line - 1) // https://docs.oasis-open.org/sarif/sarif/v2.1.0/csprd01/sarif-v2.1.0-csprd01.html#def_line
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column := positiveOrZero(position.Start.Column - 1) // https://docs.oasis-open.org/sarif/sarif/v2.1.0/csprd01/sarif-v2.1.0-csprd01.html#def_column
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result := garif.NewResult(garif.NewMessageFromText(failure.Failure))
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location := garif.NewLocation().WithURI(filename).WithLineColumn(line, column)
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result.Locations = append(result.Locations, location)
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result.RuleId = failure.RuleName
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result.Level = l.rules[failure.RuleName].Severity
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l.run.Results = append(l.run.Results, result)
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}
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func setRuleProperties(sarifRule *garif.ReportingDescriptor, lintRule lint.RuleConfig) {
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arguments := make([]string, len(lintRule.Arguments))
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for i, arg := range lintRule.Arguments {
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arguments[i] = fmt.Sprintf("%+v", arg)
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}
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if len(arguments) > 0 {
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sarifRule.WithProperties("arguments", strings.Join(arguments, ","))
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}
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sarifRule.WithProperties("severity", string(lintRule.Severity))
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}
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