mirror of
https://github.com/happyDomain/happydeliver.git
synced 2025-12-21 14:11:09 -06:00
69 lines
2.1 KiB
Go
69 lines
2.1 KiB
Go
// This file is part of the happyDeliver (R) project.
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// Copyright (c) 2025 happyDomain
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// Authors: Pierre-Olivier Mercier, et al.
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//
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// This program is offered under a commercial and under the AGPL license.
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// For commercial licensing, contact us at <contact@happydomain.org>.
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//
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// For AGPL licensing:
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package analyzer
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import (
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"regexp"
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"strings"
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"git.happydns.org/happyDeliver/internal/api"
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)
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// parseDMARCResult parses DMARC result from Authentication-Results
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// Example: dmarc=pass action=none header.from=example.com
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func (a *AuthenticationAnalyzer) parseDMARCResult(part string) *api.AuthResult {
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result := &api.AuthResult{}
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// Extract result (pass, fail, etc.)
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re := regexp.MustCompile(`dmarc=(\w+)`)
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if matches := re.FindStringSubmatch(part); len(matches) > 1 {
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resultStr := strings.ToLower(matches[1])
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result.Result = api.AuthResultResult(resultStr)
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}
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// Extract domain (header.from)
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domainRe := regexp.MustCompile(`header\.from=([^\s;]+)`)
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if matches := domainRe.FindStringSubmatch(part); len(matches) > 1 {
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domain := matches[1]
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result.Domain = &domain
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}
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result.Details = api.PtrTo(strings.TrimPrefix(part, "dmarc="))
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return result
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}
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func (a *AuthenticationAnalyzer) calculateDMARCScore(results *api.AuthenticationResults) (score int) {
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if results.Dmarc != nil {
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switch results.Dmarc.Result {
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case api.AuthResultResultPass:
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return 100
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case api.AuthResultResultNone:
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return 33
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default: // fail
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return 0
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}
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}
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return 0
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}
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