73 lines
2.3 KiB
Go
73 lines
2.3 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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// parseIPRevResult parses IP reverse lookup result from Authentication-Results
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// Example: iprev=pass smtp.remote-ip=195.110.101.58 (authsmtp74.register.it)
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func (a *AuthenticationAnalyzer) parseIPRevResult(part string) *api.IPRevResult {
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result := &api.IPRevResult{}
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// Extract result (pass, fail, temperror, permerror, none)
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re := regexp.MustCompile(`iprev=(\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.IPRevResultResult(resultStr)
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}
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// Extract IP address (smtp.remote-ip or remote-ip)
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ipRe := regexp.MustCompile(`(?:smtp\.)?remote-ip=([^\s;()]+)`)
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if matches := ipRe.FindStringSubmatch(part); len(matches) > 1 {
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ip := matches[1]
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result.Ip = &ip
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}
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// Extract hostname from parentheses
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hostnameRe := regexp.MustCompile(`\(([^)]+)\)`)
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if matches := hostnameRe.FindStringSubmatch(part); len(matches) > 1 {
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hostname := matches[1]
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result.Hostname = &hostname
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}
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result.Details = api.PtrTo(strings.TrimPrefix(part, "iprev="))
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return result
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}
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func (a *AuthenticationAnalyzer) calculateIPRevScore(results *api.AuthenticationResults) (score int) {
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if results.Iprev != nil {
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switch results.Iprev.Result {
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case api.Pass:
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return 100
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default: // fail, temperror, permerror
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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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