115 lines
3.5 KiB
Go
115 lines
3.5 KiB
Go
package server
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import (
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"bytes"
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"encoding/xml"
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"fmt"
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"github.com/prometheus/client_golang/prometheus"
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"heckel.io/ntfy/log"
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"heckel.io/ntfy/user"
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"heckel.io/ntfy/util"
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"io"
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"net/http"
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"net/url"
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"strings"
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)
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const (
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twilioMessageEndpoint = "Messages.json"
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twilioMessageFooterFormat = "This message was sent by %s via %s"
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twilioCallEndpoint = "Calls.json"
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twilioCallFormat = `
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<Response>
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<Pause length="1"/>
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<Say>You have a message from notify on topic %s. Message:</Say>
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<Pause length="1"/>
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<Say>%s</Say>
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<Pause length="1"/>
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<Say>End message.</Say>
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<Pause length="1"/>
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<Say>%s</Say>
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<Pause length="1"/>
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</Response>`
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)
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func (s *Server) sendSMS(v *visitor, r *http.Request, m *message, to string) {
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body := fmt.Sprintf("%s\n\n--\n%s", m.Message, s.messageFooter(v.User(), m))
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data := url.Values{}
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data.Set("From", s.config.TwilioFromNumber)
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data.Set("To", to)
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data.Set("Body", body)
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s.performTwilioRequest(v, r, m, metricSMSSentSuccess, metricSMSSentFailure, twilioMessageEndpoint, to, body, data)
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}
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func (s *Server) callPhone(v *visitor, r *http.Request, m *message, to string) {
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body := fmt.Sprintf(twilioCallFormat, xmlEscapeText(m.Topic), xmlEscapeText(m.Message), xmlEscapeText(s.messageFooter(v.User(), m)))
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data := url.Values{}
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data.Set("From", s.config.TwilioFromNumber)
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data.Set("To", to)
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data.Set("Twiml", body)
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s.performTwilioRequest(v, r, m, metricCallsMadeSuccess, metricCallsMadeFailure, twilioCallEndpoint, to, body, data)
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}
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func (s *Server) performTwilioRequest(v *visitor, r *http.Request, m *message, msuccess, mfailure prometheus.Counter, endpoint, to, body string, data url.Values) {
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logContext := log.Context{
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"twilio_from": s.config.TwilioFromNumber,
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"twilio_to": to,
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}
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ev := logvrm(v, r, m).Tag(tagTwilio).Fields(logContext)
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if ev.IsTrace() {
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ev.Field("twilio_body", body).Trace("Sending Twilio request")
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} else if ev.IsDebug() {
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ev.Debug("Sending Twilio request")
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}
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response, err := s.performTwilioRequestInternal(endpoint, data)
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if err != nil {
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ev.
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Field("twilio_body", body).
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Field("twilio_response", response).
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Err(err).
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Warn("Error sending Twilio request")
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minc(mfailure)
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return
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}
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if ev.IsTrace() {
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ev.Field("twilio_response", response).Trace("Received successful Twilio response")
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} else if ev.IsDebug() {
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ev.Debug("Received successful Twilio response")
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}
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minc(msuccess)
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}
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func (s *Server) performTwilioRequestInternal(endpoint string, data url.Values) (string, error) {
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requestURL := fmt.Sprintf("%s/2010-04-01/Accounts/%s/%s", s.config.TwilioBaseURL, s.config.TwilioAccount, endpoint)
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req, err := http.NewRequest(http.MethodPost, requestURL, strings.NewReader(data.Encode()))
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if err != nil {
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return "", err
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}
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req.Header.Set("Authorization", util.BasicAuth(s.config.TwilioAccount, s.config.TwilioAuthToken))
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req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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return "", err
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}
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response, err := io.ReadAll(resp.Body)
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if err != nil {
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return "", err
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}
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return string(response), nil
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}
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func (s *Server) messageFooter(u *user.User, m *message) string { // u may be nil!
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topicURL := s.config.BaseURL + "/" + m.Topic
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sender := m.Sender.String()
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if u != nil {
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sender = fmt.Sprintf("%s (%s)", u.Name, m.Sender)
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}
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return fmt.Sprintf(twilioMessageFooterFormat, sender, util.ShortTopicURL(topicURL))
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}
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func xmlEscapeText(text string) string {
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var buf bytes.Buffer
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_ = xml.EscapeText(&buf, []byte(text))
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return buf.String()
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}
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