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283 lines
5.6 KiB
Go
283 lines
5.6 KiB
Go
package whappdc
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import (
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"fmt"
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"io/ioutil"
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"mime"
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"github.com/Rhymen/go-whatsapp"
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"github.com/hugot/go-deltachat/deltachat"
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core "github.com/hugot/whapp-deltachat/whappdc-core"
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)
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type MessageHandler struct {
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Action MessageAction
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Jid string
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}
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type MessageAction func() error
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func MakeTextMessageAction(b *core.BridgeContext, m whatsapp.TextMessage) MessageAction {
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return func() error {
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if !b.ShouldMessageBeSent(m.Info) {
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return nil
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}
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JID := m.Info.RemoteJid
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DCID, err := b.GetOrCreateDCIDForJID(JID)
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if err != nil {
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b.SendLog(err.Error())
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return err
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}
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senderName := DetermineSenderName(b, m.Info)
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b.DCContext.SendTextMessage(
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DCID,
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fmt.Sprintf("%s:\n%s", senderName, m.Text),
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)
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return b.MessageTracker.MarkSent(&m.Info.Id)
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}
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}
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func MakeImageMessageAction(b *core.BridgeContext, m whatsapp.ImageMessage) MessageAction {
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return func() error {
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if !b.ShouldMessageBeSent(m.Info) {
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return nil
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}
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JID := m.Info.RemoteJid
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DCID, err := b.GetOrCreateDCIDForJID(JID)
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if err != nil {
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b.SendLog(err.Error())
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return err
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}
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senderName := DetermineSenderName(b, m.Info)
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imageData, err := m.Download()
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if err != nil {
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b.SendLog(err.Error())
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return err
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}
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filename, err := WriteTempFile(b, imageData, "img")
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if err != nil {
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b.SendLog(err.Error())
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return err
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}
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message := b.DCContext.NewMessage(deltachat.DC_MSG_IMAGE)
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defer message.Unref()
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message.SetText(fmt.Sprintf("%s:\n%s", senderName, m.Caption))
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message.SetFile(filename, m.Type)
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b.DCContext.SendMessage(DCID, message)
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return b.MessageTracker.MarkSent(&m.Info.Id)
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}
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}
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func MakeDocumentMessageAction(b *core.BridgeContext, m whatsapp.DocumentMessage) MessageAction {
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return func() error {
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if !b.ShouldMessageBeSent(m.Info) {
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return nil
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}
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JID := m.Info.RemoteJid
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DCID, err := b.GetOrCreateDCIDForJID(JID)
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if err != nil {
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b.SendLog(err.Error())
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return err
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}
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senderName := DetermineSenderName(b, m.Info)
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documentData, err := m.Download()
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if err != nil {
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b.SendLog(err.Error())
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return err
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}
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filename, err := WriteTempFile(b, documentData, "doc")
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if err != nil {
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b.SendLog(err.Error())
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return err
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}
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message := b.DCContext.NewMessage(deltachat.DC_MSG_FILE)
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defer message.Unref()
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message.SetText(fmt.Sprintf("%s:\n%s", senderName, m.Title))
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message.SetFile(filename, m.Type)
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b.DCContext.SendMessage(DCID, message)
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return b.MessageTracker.MarkSent(&m.Info.Id)
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}
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}
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func MakeAudioMessageAction(b *core.BridgeContext, m whatsapp.AudioMessage) MessageAction {
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return func() error {
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if !b.ShouldMessageBeSent(m.Info) {
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return nil
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}
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JID := m.Info.RemoteJid
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DCID, err := b.GetOrCreateDCIDForJID(JID)
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if err != nil {
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b.SendLog(err.Error())
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return err
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}
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senderName := DetermineSenderName(b, m.Info)
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audioData, err := m.Download()
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if err != nil {
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b.SendLog(err.Error())
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return err
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}
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filename, err := WriteTempFile(b, audioData, "audio")
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if err != nil {
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b.SendLog(err.Error())
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return err
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}
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message := b.DCContext.NewMessage(deltachat.DC_MSG_AUDIO)
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defer message.Unref()
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message.SetText(fmt.Sprintf("%s:", senderName))
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message.SetFile(filename, m.Type)
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b.DCContext.SendMessage(DCID, message)
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return b.MessageTracker.MarkSent(&m.Info.Id)
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}
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}
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func MakeVideoMessageAction(b *core.BridgeContext, m whatsapp.VideoMessage) MessageAction {
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return func() error {
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if !b.ShouldMessageBeSent(m.Info) {
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return nil
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}
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JID := m.Info.RemoteJid
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DCID, err := b.GetOrCreateDCIDForJID(JID)
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if err != nil {
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b.SendLog(err.Error())
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return err
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}
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senderName := DetermineSenderName(b, m.Info)
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videoData, err := m.Download()
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if err != nil {
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b.SendLog(err.Error())
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return err
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}
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filename, err := WriteTempFile(b, videoData, "vid")
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if err != nil {
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b.SendLog(err.Error())
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return err
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}
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message := b.DCContext.NewMessage(deltachat.DC_MSG_VIDEO)
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defer message.Unref()
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message.SetText(fmt.Sprintf("%s:", senderName))
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message.SetFile(filename, m.Type)
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b.DCContext.SendMessage(DCID, message)
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return b.MessageTracker.MarkSent(&m.Info.Id)
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}
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}
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func MakeContactMessageAction(b *core.BridgeContext, m whatsapp.ContactMessage) MessageAction {
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return func() error {
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if !b.ShouldMessageBeSent(m.Info) {
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return nil
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}
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JID := m.Info.RemoteJid
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DCID, err := b.GetOrCreateDCIDForJID(JID)
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if err != nil {
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b.SendLog(err.Error())
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return err
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}
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senderName := DetermineSenderName(b, m.Info)
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filename, err := WriteTempFile(b, []byte(m.Vcard), "vcf")
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if err != nil {
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b.SendLog(err.Error())
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return err
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}
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message := b.DCContext.NewMessage(deltachat.DC_MSG_FILE)
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defer message.Unref()
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message.SetText(fmt.Sprintf("%s:", senderName))
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message.SetFile(filename, mime.TypeByExtension(".vcf"))
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b.DCContext.SendMessage(DCID, message)
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return b.MessageTracker.MarkSent(&m.Info.Id)
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}
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}
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////
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// Helpers
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func DetermineSenderName(b *core.BridgeContext, info whatsapp.MessageInfo) string {
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senderName := info.Source.GetParticipant()
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// No participant probably means that this isn't a group chat.
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if senderName == "" {
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senderName = info.RemoteJid
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}
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if info.FromMe == true {
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dcContact := b.DCContext.GetContact(b.DCUserID)
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defer dcContact.Unref()
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return dcContact.GetDisplayName()
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}
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contact, ok := b.WhappConn.Store.Contacts[senderName]
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if ok {
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senderName = contact.Name
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}
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return senderName
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}
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func WriteTempFile(b *core.BridgeContext, data []byte, template string) (string, error) {
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tmpFile, err := ioutil.TempFile(
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b.Config.App.DataFolder+"/tmp",
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template,
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)
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if err != nil {
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b.SendLog(err.Error())
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return "", err
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}
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return tmpFile.Name(), ioutil.WriteFile(tmpFile.Name(), data, 0600)
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}
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