48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
package validation
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import (
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"errors"
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"strings"
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)
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var ErrNotificationRecipient = errors.New("notification address does not accept mail")
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// notification 为系统专属发信账号，禁止普通用户占用，且拒收任何外部来信。
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const (
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NotificationLocalPart = "notification"
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)
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func NotificationAddress(domain string) string {
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if domain == "" {
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return ""
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}
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return NotificationLocalPart + "@" + domain
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}
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func IsNotificationAddress(address string, domains []string) bool {
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parts := strings.Split(strings.ToLower(strings.TrimSpace(address)), "@")
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if len(parts) != 2 {
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return false
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}
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if parts[0] != NotificationLocalPart {
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return false
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}
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for _, domain := range domains {
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if strings.EqualFold(parts[1], domain) {
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return true
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}
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}
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return false
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}
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func IsAuthorizedNotificationSender(address, domain string) bool {
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if domain == "" {
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return false
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}
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parts := strings.Split(strings.ToLower(strings.TrimSpace(address)), "@")
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if len(parts) != 2 || !strings.EqualFold(parts[1], domain) {
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return false
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}
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return parts[0] == NotificationLocalPart
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}
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