mirror of
https://github.com/binwiederhier/ntfy.git
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177 lines
6 KiB
Go
177 lines
6 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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"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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twilioCallFormat = `
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<Response>
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<Pause length="1"/>
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<Say loop="3">
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You have a message from notify on topic %s. Message:
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<break time="1s"/>
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%s
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<break time="1s"/>
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End of message.
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<break time="1s"/>
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This message was sent by user %s. It will be repeated three times.
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To unsubscribe from calls like this, remove your phone number in the notify web app.
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<break time="3s"/>
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</Say>
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<Say>Goodbye.</Say>
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</Response>`
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)
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// convertPhoneNumber checks if the given phone number is verified for the given user, and if so, returns the verified
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// phone number. It also converts a boolean string ("yes", "1", "true") to the first verified phone number.
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// If the user is anonymous, it will return an error.
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func (s *Server) convertPhoneNumber(u *user.User, phoneNumber string) (string, *errHTTP) {
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if u == nil {
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return "", errHTTPBadRequestAnonymousCallsNotAllowed
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}
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phoneNumbers, err := s.userManager.PhoneNumbers(u.ID)
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if err != nil {
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return "", errHTTPInternalError
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} else if len(phoneNumbers) == 0 {
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return "", errHTTPBadRequestPhoneNumberNotVerified
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}
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if toBool(phoneNumber) {
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return phoneNumbers[0], nil
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} else if util.Contains(phoneNumbers, phoneNumber) {
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return phoneNumber, nil
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}
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for _, p := range phoneNumbers {
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if p == phoneNumber {
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return phoneNumber, nil
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}
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}
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return "", errHTTPBadRequestPhoneNumberNotVerified
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}
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// callPhone calls the Twilio API to make a phone call to the given phone number, using the given message.
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// Failures will be logged, but not returned to the caller.
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func (s *Server) callPhone(v *visitor, r *http.Request, m *message, to string) {
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u, sender := v.User(), m.Sender.String()
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if u != nil {
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sender = u.Name
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}
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body := fmt.Sprintf(twilioCallFormat, xmlEscapeText(m.Topic), xmlEscapeText(m.Message), xmlEscapeText(sender))
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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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ev := logvrm(v, r, m).Tag(tagTwilio).Field("twilio_to", to).FieldIf("twilio_body", body, log.TraceLevel).Debug("Sending Twilio request")
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response, err := s.callPhoneInternal(data)
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if err != nil {
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ev.Field("twilio_response", response).Err(err).Warn("Error sending Twilio request")
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minc(metricCallsMadeFailure)
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return
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}
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ev.FieldIf("twilio_response", response, log.TraceLevel).Debug("Received successful Twilio response")
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minc(metricCallsMadeSuccess)
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}
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func (s *Server) callPhoneInternal(data url.Values) (string, error) {
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requestURL := fmt.Sprintf("%s/2010-04-01/Accounts/%s/Calls.json", s.config.TwilioCallsBaseURL, s.config.TwilioAccount)
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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("User-Agent", "ntfy/"+s.config.Version)
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req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
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req.Header.Set("Authorization", util.BasicAuth(s.config.TwilioAccount, s.config.TwilioAuthToken))
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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) verifyPhoneNumber(v *visitor, r *http.Request, phoneNumber, channel string) error {
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ev := logvr(v, r).Tag(tagTwilio).Field("twilio_to", phoneNumber).Field("twilio_channel", channel).Debug("Sending phone verification")
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data := url.Values{}
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data.Set("To", phoneNumber)
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data.Set("Channel", channel)
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requestURL := fmt.Sprintf("%s/v2/Services/%s/Verifications", s.config.TwilioVerifyBaseURL, s.config.TwilioVerifyService)
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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("User-Agent", "ntfy/"+s.config.Version)
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req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
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req.Header.Set("Authorization", util.BasicAuth(s.config.TwilioAccount, s.config.TwilioAuthToken))
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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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ev.Err(err).Warn("Error sending Twilio phone verification request")
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return err
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}
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ev.FieldIf("twilio_response", string(response), log.TraceLevel).Debug("Received Twilio phone verification response")
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return nil
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}
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func (s *Server) verifyPhoneNumberCheck(v *visitor, r *http.Request, phoneNumber, code string) error {
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ev := logvr(v, r).Tag(tagTwilio).Field("twilio_to", phoneNumber).Debug("Checking phone verification")
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data := url.Values{}
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data.Set("To", phoneNumber)
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data.Set("Code", code)
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requestURL := fmt.Sprintf("%s/v2/Services/%s/VerificationCheck", s.config.TwilioVerifyBaseURL, s.config.TwilioVerifyService)
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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("User-Agent", "ntfy/"+s.config.Version)
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req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
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req.Header.Set("Authorization", util.BasicAuth(s.config.TwilioAccount, s.config.TwilioAuthToken))
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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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} else if resp.StatusCode != http.StatusOK {
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if ev.IsTrace() {
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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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ev.Field("twilio_response", string(response))
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}
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ev.Warn("Twilio phone verification failed with status code %d", resp.StatusCode)
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if resp.StatusCode == http.StatusNotFound {
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return errHTTPGonePhoneVerificationExpired
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}
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return errHTTPInternalError
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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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if ev.IsTrace() {
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ev.Field("twilio_response", string(response)).Trace("Received successful Twilio phone verification response")
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} else if ev.IsDebug() {
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ev.Debug("Received successful Twilio phone verification response")
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}
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return nil
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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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