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28 lines
625 B
Go
28 lines
625 B
Go
package smtpd
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import (
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"crypto/sha1"
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"fmt"
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"io"
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"strings"
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)
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// Take "user+ext@host.com" and return "user", aka the mailbox we'll store it in
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func ParseMailboxName(emailAddress string) (result string) {
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result = strings.ToLower(emailAddress)
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if idx := strings.Index(result, "@"); idx > -1 {
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result = result[0:idx]
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}
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if idx := strings.Index(result, "+"); idx > -1 {
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result = result[0:idx]
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}
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return result
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}
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// Take a mailbox name and hash it into the directory we'll store it in
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func HashMailboxName(mailbox string) string {
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h := sha1.New()
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io.WriteString(h, mailbox)
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return fmt.Sprintf("%x", h.Sum(nil))
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}
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