Add WhatsApp->Matrix formatting

This commit is contained in:
Tulir Asokan 2018-08-24 22:05:38 +03:00
parent a7f7295528
commit 0b7d23e897
2 changed files with 31 additions and 2 deletions

View file

@ -20,9 +20,9 @@
* [ ] Topic
* [ ] Initial room metadata
* WhatsApp → Matrix
* [ ] Message content
* [x] Message content
* [x] Plain text
* [ ] Formatted messages
* [x] Formatted messages
* [x] Media/files
* [ ] Message deletions
* [x] Avatars

View file

@ -20,10 +20,12 @@ import (
"bytes"
"encoding/hex"
"fmt"
"html"
"image"
"math/rand"
"mime"
"net/http"
"regexp"
"strings"
"sync"
@ -299,7 +301,26 @@ func (portal *Portal) SetReply(content *gomatrix.Content, info whatsapp.MessageI
content.SetReply(event)
}
return
}
var codeBlockRegex = regexp.MustCompile("```((?:.|\n)+?)```")
var italicRegex = regexp.MustCompile("([\\s>~*]|^)_(.+?)_([^a-zA-Z\\d]|$)")
var boldRegex = regexp.MustCompile("([\\s>_~]|^)\\*(.+?)\\*([^a-zA-Z\\d]|$)")
var strikethroughRegex = regexp.MustCompile("([\\s>_*]|^)~(.+?)~([^a-zA-Z\\d]|$)")
var whatsAppFormat = map[*regexp.Regexp]string{
codeBlockRegex: "<pre>$1</pre>",
italicRegex: "$1<em>$2</em>$3",
boldRegex: "$1<strong>$2</strong>$3",
strikethroughRegex: "$1<del>$2</del>$3",
}
func (portal *Portal) ParseWhatsAppFormat(input string) string {
output := html.EscapeString(input)
for regex, replacement := range whatsAppFormat {
output = regex.ReplaceAllString(output, replacement)
}
return output
}
func (portal *Portal) HandleTextMessage(message whatsapp.TextMessage) {
@ -322,8 +343,15 @@ func (portal *Portal) HandleTextMessage(message whatsapp.TextMessage) {
Body: message.Text,
MsgType: gomatrix.MsgText,
}
htmlBody := portal.ParseWhatsAppFormat(message.Text)
if htmlBody != message.Text {
content.FormattedBody = htmlBody
content.Format = gomatrix.FormatHTML
}
portal.SetReply(&content, message.Info)
intent.UserTyping(portal.MXID, false, 0)
resp, err := intent.SendMassagedMessageEvent(portal.MXID, gomatrix.EventMessage, content, int64(message.Info.Timestamp*1000))
if err != nil {
portal.log.Errorfln("Failed to handle message %s: %v", message.Info.Id, err)
@ -407,6 +435,7 @@ func (portal *Portal) HandleMediaMessage(download func() ([]byte, error), thumbn
content.MsgType = gomatrix.MsgFile
}
intent.UserTyping(portal.MXID, false, 0)
resp, err := intent.SendMassagedMessageEvent(portal.MXID, gomatrix.EventMessage, content, int64(info.Timestamp*1000))
if err != nil {
portal.log.Errorfln("Failed to handle message %s: %v", info.Id, err)