105 lines
2.9 KiB
Go
105 lines
2.9 KiB
Go
package contact
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import (
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"fmt"
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"html/template"
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"net/http"
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"os"
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"path/filepath"
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"time"
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"github.com/gorilla/mux"
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"github.com/kirsle/blog/src/forms"
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"github.com/kirsle/blog/src/log"
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"github.com/kirsle/blog/src/mail"
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"github.com/kirsle/blog/src/markdown"
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"github.com/kirsle/blog/src/render"
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"github.com/kirsle/blog/src/responses"
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"github.com/kirsle/blog/models/settings"
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)
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// Register attaches the contact URL to the app.
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func Register(r *mux.Router) {
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r.HandleFunc("/contact", func(w http.ResponseWriter, r *http.Request) {
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// Allow ?next= to redirect to other local pages.
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nextURL := r.FormValue("next")
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if nextURL != "" && nextURL[0] != '/' {
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log.Error("/contact?next=: URL must be a local page beginning with /")
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nextURL = ""
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}
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form := &forms.Contact{}
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v := map[string]interface{}{
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"Form": form,
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}
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// If there is no site admin, show an error.
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cfg, err := settings.Load()
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if err != nil {
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responses.Error(w, r, "Error loading site configuration!")
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return
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} else if cfg.Site.AdminEmail == "" {
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responses.Error(w, r, "There is no admin email configured for this website!")
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return
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} else if !cfg.Mail.Enabled {
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responses.Error(w, r, "This website doesn't have an e-mail gateway configured.")
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return
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}
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// Posting?
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if r.Method == http.MethodPost {
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form.ParseForm(r)
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if err = form.Validate(); err != nil {
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// If they're not from the /contact front-end, redirect them
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// with the flash.
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if len(nextURL) > 0 {
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responses.FlashAndRedirect(w, r, nextURL, err.Error())
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return
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}
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// Otherwise flash and let the /contact page render to retain
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// their form fields so far.
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responses.Flash(w, r, err.Error())
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} else {
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go mail.SendEmail(mail.Email{
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To: cfg.Site.AdminEmail,
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Admin: true,
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ReplyTo: form.Email,
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Subject: fmt.Sprintf("Contact Form on %s: %s", cfg.Site.Title, form.Subject),
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Template: ".email/contact.gohtml",
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Data: map[string]interface{}{
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"Name": form.Name,
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"Message": template.HTML(markdown.RenderMarkdown(form.Message)),
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"Email": form.Email,
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},
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})
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// Log it to disk, too.
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fh, err := os.OpenFile(filepath.Join(*render.UserRoot, ".contact.log"), os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0644)
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if err != nil {
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responses.Flash(w, r, "Error logging the message to disk: %s", err)
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} else {
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fh.WriteString(fmt.Sprintf(
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"Date: %s\nName: %s\nEmail: %s\nSubject: %s\n\n%s\n\n--------------------\n\n",
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time.Now().Format(time.UnixDate),
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form.Name,
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form.Email,
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form.Subject,
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form.Message,
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))
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fh.Close()
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}
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if len(nextURL) > 0 {
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responses.FlashAndRedirect(w, r, nextURL, "Your message has been sent.")
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} else {
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responses.FlashAndRedirect(w, r, "/contact", "Your message has been sent.")
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}
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return
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}
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}
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render.Template(w, r, "contact", v)
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})
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}
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