mirror of
https://github.com/zitadel/zitadel.git
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58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
package messages
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import (
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"fmt"
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"regexp"
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"strings"
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"github.com/zitadel/zitadel/internal/notification/channels"
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)
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var (
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isHTMLRgx = regexp.MustCompile(`.*<html.*>.*`)
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lineBreak = "\r\n"
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)
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var _ channels.Message = (*Email)(nil)
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type Email struct {
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Recipients []string
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BCC []string
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CC []string
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SenderEmail string
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SenderName string
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Subject string
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Content string
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}
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func (msg *Email) GetContent() string {
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headers := make(map[string]string)
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from := msg.SenderEmail
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if msg.SenderName != "" {
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from = fmt.Sprintf("%s <%s>", msg.SenderName, msg.SenderEmail)
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}
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headers["From"] = from
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headers["Return-Path"] = msg.SenderEmail
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headers["To"] = strings.Join(msg.Recipients, ", ")
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headers["Cc"] = strings.Join(msg.CC, ", ")
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message := ""
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for k, v := range headers {
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message += fmt.Sprintf("%s: %s"+lineBreak, k, v)
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}
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//default mime-type is html
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mime := "MIME-version: 1.0;" + lineBreak + "Content-Type: text/html; charset=\"UTF-8\";" + lineBreak + lineBreak
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if !isHTML(msg.Content) {
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mime = "MIME-version: 1.0;" + lineBreak + "Content-Type: text/plain; charset=\"UTF-8\";" + lineBreak + lineBreak
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}
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subject := "Subject: " + msg.Subject + lineBreak
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message += subject + mime + lineBreak + msg.Content
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return message
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}
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func isHTML(input string) bool {
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return isHTMLRgx.MatchString(input)
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}
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