2021-07-22 11:41:52 +00:00
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package main
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import (
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"bytes"
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"fmt"
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"log"
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"net/http"
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"strconv"
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"time"
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2021-11-08 15:27:33 +00:00
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"github.com/emersion/go-sasl"
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"github.com/emersion/go-smtp"
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2021-07-22 11:41:52 +00:00
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)
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const defaultContactPath = "/contact"
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func (a *goBlog) serveContactForm(w http.ResponseWriter, r *http.Request) {
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2021-12-20 13:00:11 +00:00
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_, bc := a.getBlog(r)
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2021-11-04 07:52:16 +00:00
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cc := bc.Contact
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2022-01-30 15:40:53 +00:00
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a.render(w, r, a.renderContact, &renderData{
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2022-01-20 17:22:10 +00:00
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Data: &contactRenderData{
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title: cc.Title,
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description: cc.Description,
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privacy: cc.PrivacyPolicy,
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2021-07-22 11:41:52 +00:00
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},
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})
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}
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func (a *goBlog) sendContactSubmission(w http.ResponseWriter, r *http.Request) {
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2021-11-08 13:32:02 +00:00
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// Get blog
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2021-12-20 13:00:11 +00:00
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_, bc := a.getBlog(r)
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2021-11-08 13:32:02 +00:00
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// Get form values and build message
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var message bytes.Buffer
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2021-07-22 11:41:52 +00:00
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// Message
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2021-09-01 09:14:49 +00:00
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formMessage := cleanHTMLText(r.FormValue("message"))
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2021-07-22 11:41:52 +00:00
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if formMessage == "" {
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a.serveError(w, r, "Message is empty", http.StatusBadRequest)
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return
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}
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2021-11-08 13:32:02 +00:00
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// Name
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if formName := cleanHTMLText(r.FormValue("name")); formName != "" {
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_, _ = fmt.Fprintf(&message, "Name: %s\n", formName)
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2021-07-22 11:41:52 +00:00
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}
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2021-11-08 13:32:02 +00:00
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// Email
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formEmail := cleanHTMLText(r.FormValue("email"))
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2021-07-22 11:41:52 +00:00
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if formEmail != "" {
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2021-11-08 13:32:02 +00:00
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_, _ = fmt.Fprintf(&message, "Email: %s\n", formEmail)
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2021-07-22 11:41:52 +00:00
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}
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2021-11-08 13:32:02 +00:00
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// Website
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if formWebsite := cleanHTMLText(r.FormValue("website")); formWebsite != "" {
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_, _ = fmt.Fprintf(&message, "Website: %s\n", formWebsite)
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2021-07-22 11:41:52 +00:00
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}
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2021-11-08 13:32:02 +00:00
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// Add line break if message is not empty
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2021-07-22 11:41:52 +00:00
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if message.Len() > 0 {
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2021-11-08 13:32:02 +00:00
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_, _ = fmt.Fprintf(&message, "\n")
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2021-07-22 11:41:52 +00:00
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}
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2021-11-08 13:32:02 +00:00
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// Add message text to message
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2021-07-22 11:41:52 +00:00
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_, _ = message.WriteString(formMessage)
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// Send submission
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2021-11-08 13:32:02 +00:00
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if err := a.sendContactEmail(bc.Contact, message.String(), formEmail); err != nil {
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log.Println(err.Error())
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2021-07-22 11:41:52 +00:00
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}
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// Send notification
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a.sendNotification(message.String())
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// Give feedback
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2022-01-30 15:40:53 +00:00
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a.render(w, r, a.renderContact, &renderData{
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2022-01-20 17:22:10 +00:00
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Data: &contactRenderData{
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sent: true,
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2021-07-22 11:41:52 +00:00
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},
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})
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}
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2021-11-08 13:32:02 +00:00
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func (a *goBlog) sendContactEmail(cc *configContact, body, replyTo string) error {
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// Check required config
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if cc == nil || cc.SMTPHost == "" || cc.EmailFrom == "" || cc.EmailTo == "" {
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return fmt.Errorf("email not send as config is missing")
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}
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// Build email
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var email bytes.Buffer
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_, _ = fmt.Fprintf(&email, "To: %s\n", cc.EmailTo)
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if replyTo != "" {
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_, _ = fmt.Fprintf(&email, "Reply-To: %s\n", replyTo)
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}
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_, _ = fmt.Fprintf(&email, "Date: %s\n", time.Now().UTC().Format(time.RFC1123Z))
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2021-11-08 15:27:33 +00:00
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_, _ = fmt.Fprintf(&email, "From: %s\n", cc.EmailFrom)
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subject := cc.EmailSubject
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if subject == "" {
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subject = "New contact message"
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}
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_, _ = fmt.Fprintf(&email, "Subject: %s\n\n", subject)
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2021-11-08 13:32:02 +00:00
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_, _ = fmt.Fprintf(&email, "%s\n", body)
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// Send email using SMTP
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2021-11-08 15:27:33 +00:00
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auth := sasl.NewPlainClient("", cc.SMTPUser, cc.SMTPPassword)
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2021-11-08 13:32:02 +00:00
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port := cc.SMTPPort
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if port == 0 {
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port = 587
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}
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2021-11-08 15:27:33 +00:00
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return smtp.SendMail(cc.SMTPHost+":"+strconv.Itoa(port), auth, cc.EmailFrom, []string{cc.EmailTo}, bytes.NewReader(email.Bytes()))
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2021-11-08 13:32:02 +00:00
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}
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