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62 lines
2 KiB
Go
62 lines
2 KiB
Go
// This file is Free Software under the MIT License
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// without warranty, see README.md and LICENSES/MIT.txt for details.
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//
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// SPDX-License-Identifier: MIT
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//
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// SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
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// Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
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package csaf
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import (
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"time"
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"github.com/csaf-poc/csaf_distribution/util"
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)
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const (
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idExpr = `$.document.tracking.id`
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titleExpr = `$.document.title`
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publisherExpr = `$.document.publisher`
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initialReleaseDateExpr = `$.document.tracking.initial_release_date`
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currentReleaseDateExpr = `$.document.tracking.current_release_date`
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tlpLabelExpr = `$.document.distribution.tlp.label`
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summaryExpr = `$.document.notes[? @.category=="summary" || @.type=="summary"].text`
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)
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// AdvisorySummary is a summary of some essentials of an CSAF advisory.
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type AdvisorySummary struct {
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ID string
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Title string
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Publisher *Publisher
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InitialReleaseDate time.Time
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CurrentReleaseDate time.Time
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Summary string
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TLPLabel string
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}
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// NewAdvisorySummary creates a summary from an advisory doc
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// with the help of an expression evaluator expr.
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func NewAdvisorySummary(
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pe *util.PathEval,
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doc interface{},
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) (*AdvisorySummary, error) {
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e := &AdvisorySummary{
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Publisher: new(Publisher),
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}
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if err := pe.Match([]util.PathEvalMatcher{
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{Expr: idExpr, Action: util.StringMatcher(&e.ID)},
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{Expr: titleExpr, Action: util.StringMatcher(&e.Title)},
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{Expr: currentReleaseDateExpr, Action: util.TimeMatcher(&e.CurrentReleaseDate, time.RFC3339)},
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{Expr: initialReleaseDateExpr, Action: util.TimeMatcher(&e.InitialReleaseDate, time.RFC3339)},
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{Expr: summaryExpr, Action: util.StringMatcher(&e.Summary)},
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{Expr: tlpLabelExpr, Action: util.StringMatcher(&e.TLPLabel)},
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{Expr: publisherExpr, Action: util.ReMarshalMatcher(e.Publisher)},
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}, doc); err != nil {
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return nil, err
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}
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return e, nil
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}
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