2021-01-25 12:09:03 +02:00
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package reporting
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import (
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"bytes"
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"encoding/json"
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2021-01-25 12:09:03 +02:00
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"fmt"
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"text/template"
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"time"
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"github.com/pkg/errors"
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)
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// ScanReport defines the elements of a scan report used by various scan steps
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type ScanReport struct {
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StepName string `json:"stepName"`
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Title string `json:"title"`
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Subheaders []Subheader `json:"subheaders"`
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Overview []OverviewRow `json:"overview"`
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FurtherInfo string `json:"furtherInfo"`
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ReportTime time.Time `json:"reportTime"`
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DetailTable ScanDetailTable `json:"detailTable"`
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SuccessfulScan bool `json:"successfulScan"`
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}
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// ScanDetailTable defines a table containing scan result details
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type ScanDetailTable struct {
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Headers []string `json:"headers"`
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Rows []ScanRow `json:"rows"`
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WithCounter bool `json:"withCounter"`
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CounterHeader string `json:"counterHeader"`
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NoRowsMessage string `json:"noRowsMessage"`
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}
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// ScanRow defines one row of a scan result table
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type ScanRow struct {
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Columns []ScanCell `json:"columns"`
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}
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// AddColumn adds a column to a dedicated ScanRow
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func (s *ScanRow) AddColumn(content interface{}, style ColumnStyle) {
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if s.Columns == nil {
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s.Columns = []ScanCell{}
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}
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s.Columns = append(s.Columns, ScanCell{Content: fmt.Sprint(content), Style: style})
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}
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// ScanCell defines one column of a scan result table
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type ScanCell struct {
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Content string `json:"content"`
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Style ColumnStyle `json:"style"`
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}
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// ColumnStyle defines style for a specific column
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type ColumnStyle int
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// enum for style types
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const (
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Green = iota + 1
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Yellow
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Red
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Grey
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Black
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)
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func (c ColumnStyle) String() string {
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return [...]string{"", "green-cell", "yellow-cell", "red-cell", "grey-cell", "black-cell"}[c]
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}
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// OverviewRow defines a row in the report's overview section
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// it can consist of a description and some details where the details can have a style attached
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type OverviewRow struct {
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Description string `json:"description"`
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Details string `json:"details,omitempty"`
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Style ColumnStyle `json:"style,omitempty"`
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}
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// Subheader defines a dedicated sub header in a report
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type Subheader struct {
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Description string `json:"text"`
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Details string `json:"details,omitempty"`
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}
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// AddSubHeader adds a sub header to the report containing of a text/title plus optional details
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func (s *ScanReport) AddSubHeader(header, details string) {
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s.Subheaders = append(s.Subheaders, Subheader{Description: header, Details: details})
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}
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//StepReportDirectory specifies the default directory for markdown reports which can later be collected by step pipelineCreateSummary
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const StepReportDirectory = ".pipeline/stepReports"
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// ToJSON returns the report in JSON format
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func (s *ScanReport) ToJSON() ([]byte, error) {
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return json.Marshal(s)
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}
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const reportHTMLTemplate = `<!DOCTYPE html>
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<html>
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<head>
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<title>{{.Title}}</title>
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<style type="text/css">
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body {
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font-family: Arial, Verdana;
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}
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table {
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border-collapse: collapse;
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}
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div.code {
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font-family: "Courier New", "Lucida Console";
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}
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th {
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border-top: 1px solid #ddd;
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}
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th, td {
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padding: 12px;
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text-align: left;
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border-bottom: 1px solid #ddd;
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border-right: 1px solid #ddd;
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}
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tr:nth-child(even) {
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background-color: #f2f2f2;
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}
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.bold {
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font-weight: bold;
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}
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.green{
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color: olivedrab;
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}
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.red{
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color: orangered;
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}
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.nobullets {
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list-style-type:none;
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padding-left: 0;
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padding-bottom: 0;
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margin: 0;
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}
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.green-cell {
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background-color: #e1f5a9;
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padding: 5px
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}
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.yellow-cell {
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background-color: #ffff99;
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padding: 5px
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}
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.red-cell {
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background-color: #ffe5e5;
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padding: 5px
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}
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.grey-cell{
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background-color: rgba(212, 212, 212, 0.7);
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padding: 5px;
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}
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.black-cell{
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background-color: rgba(0, 0, 0, 0.75);
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padding: 5px;
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}
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</style>
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</head>
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<body>
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<h1>{{.Title}}</h1>
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<h2>
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<span>
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{{range $s := .Subheaders}}
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{{- $s.Description}}: {{$s.Details}}<br />
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{{end -}}
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</span>
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</h2>
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<div>
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<h3>
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{{range $o := .Overview}}
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{{- drawOverviewRow $o}}<br />
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{{end -}}
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</h3>
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<span>{{.FurtherInfo}}</span>
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</div>
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<p>Snapshot taken: {{reportTime .ReportTime}}</p>
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<table>
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<tr>
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{{if .DetailTable.WithCounter}}<th>{{.DetailTable.CounterHeader}}</th>{{end}}
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{{- range $h := .DetailTable.Headers}}
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<th>{{$h}}</th>
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{{- end}}
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</tr>
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{{range $i, $r := .DetailTable.Rows}}
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<tr>
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{{if $.DetailTable.WithCounter}}<td>{{inc $i}}</td>{{end}}
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{{- range $c := $r.Columns}}
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{{drawCell $c}}
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{{- end}}
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</tr>
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{{else}}
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<tr><td colspan="{{columnCount .DetailTable}}">{{.DetailTable.NoRowsMessage}}</td></tr>
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{{- end}}
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</table>
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</body>
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</html>
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`
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// ToHTML creates a HTML version of the report
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func (s *ScanReport) ToHTML() ([]byte, error) {
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funcMap := template.FuncMap{
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"inc": func(i int) int {
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return i + 1
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},
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"reportTime": func(currentTime time.Time) string {
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return currentTime.Format("Jan 02, 2006 - 15:04:05 MST")
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},
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"columnCount": tableColumnCount,
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"drawCell": drawCell,
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"drawOverviewRow": drawOverviewRow,
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}
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report := []byte{}
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tmpl, err := template.New("report").Funcs(funcMap).Parse(reportHTMLTemplate)
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if err != nil {
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return report, errors.Wrap(err, "failed to create HTML report template")
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}
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buf := new(bytes.Buffer)
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err = tmpl.Execute(buf, s)
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if err != nil {
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return report, errors.Wrap(err, "failed to execute HTML report template")
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}
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return buf.Bytes(), nil
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}
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2021-05-11 08:01:02 +02:00
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const reportMdTemplate = `## {{if .SuccessfulScan}}:white_check_mark:{{else}}:x:{{end}} {{.Title}}
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<table>
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{{range $s := .Subheaders -}}
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<tr><td><b>{{- $s.Description}}:</b></td><td>{{$s.Details}}</td></tr>
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{{- end}}
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{{range $o := .Overview -}}
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{{drawOverviewRow $o}}
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{{- end}}
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</table>
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{{.FurtherInfo}}
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2021-04-15 07:45:06 +02:00
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Snapshot taken: <i>{{reportTime .ReportTime}}</i>
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{{if shouldDrawTable .DetailTable -}}
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<details><summary><i>{{.Title}} details:</i></summary>
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<p>
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<table>
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<tr>
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{{if .DetailTable.WithCounter}}<th>{{.DetailTable.CounterHeader}}</th>{{end}}
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{{- range $h := .DetailTable.Headers}}
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<th>{{$h}}</th>
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{{- end}}
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</tr>
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{{range $i, $r := .DetailTable.Rows}}
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<tr>
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{{if $.DetailTable.WithCounter}}<td>{{inc $i}}</td>{{end}}
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{{- range $c := $r.Columns}}
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{{drawCell $c}}
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{{- end}}
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</tr>
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{{else}}
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<tr><td colspan="{{columnCount .DetailTable}}">{{.DetailTable.NoRowsMessage}}</td></tr>
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{{- end}}
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</table>
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</p>
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</details>
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{{ end }}
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`
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// ToMarkdown creates a markdown version of the report content
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func (s *ScanReport) ToMarkdown() ([]byte, error) {
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funcMap := template.FuncMap{
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"columnCount": tableColumnCount,
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"drawCell": drawCell,
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"shouldDrawTable": shouldDrawTable,
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"inc": func(i int) int {
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return i + 1
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},
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"reportTime": func(currentTime time.Time) string {
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return currentTime.Format("Jan 02, 2006 - 15:04:05 MST")
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},
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"drawOverviewRow": drawOverviewRowMarkdown,
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}
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report := []byte{}
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tmpl, err := template.New("report").Funcs(funcMap).Parse(reportMdTemplate)
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if err != nil {
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return report, errors.Wrap(err, "failed to create Markdown report template")
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}
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buf := new(bytes.Buffer)
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err = tmpl.Execute(buf, s)
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if err != nil {
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return report, errors.Wrap(err, "failed to execute Markdown report template")
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}
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return buf.Bytes(), nil
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}
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func tableColumnCount(scanDetails ScanDetailTable) int {
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colCount := len(scanDetails.Headers)
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if scanDetails.WithCounter {
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colCount++
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}
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return colCount
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}
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func drawCell(cell ScanCell) string {
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if cell.Style > 0 {
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return fmt.Sprintf(`<td class="%v">%v</td>`, cell.Style, cell.Content)
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}
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return fmt.Sprintf(`<td>%v</td>`, cell.Content)
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}
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func shouldDrawTable(table ScanDetailTable) bool {
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if len(table.Headers) > 0 {
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return true
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}
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return false
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}
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func drawOverviewRow(row OverviewRow) string {
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// so far accept only accept max. two columns for overview table: description and content
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if len(row.Details) == 0 {
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return row.Description
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}
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// ToDo: allow styling of details
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return fmt.Sprintf("%v: %v", row.Description, row.Details)
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}
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func drawOverviewRowMarkdown(row OverviewRow) string {
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// so far accept only accept max. two columns for overview table: description and content
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if len(row.Details) == 0 {
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return row.Description
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}
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// ToDo: allow styling of details
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2021-04-15 07:45:06 +02:00
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return fmt.Sprintf("<tr><td>%v:</td><td>%v</td></tr>", row.Description, row.Details)
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2021-02-10 17:18:00 +02:00
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}
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