Add dependencies/vendor (whatsapp)

1 files changed, 368 insertions, 0 deletions

diff --git a/vendor/go.mau.fi/whatsmeow/user.go b/vendor/go.mau.fi/whatsmeow/user.go
new file mode 100644
index 00000000..1855abaf
--- /dev/null
+++ b/vendor/go.mau.fi/whatsmeow/user.go
@@ -0,0 +1,368 @@
+// Copyright (c) 2021 Tulir Asokan
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package whatsmeow
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+
+	"google.golang.org/protobuf/proto"
+
+	waBinary "go.mau.fi/whatsmeow/binary"
+	waProto "go.mau.fi/whatsmeow/binary/proto"
+	"go.mau.fi/whatsmeow/types"
+	"go.mau.fi/whatsmeow/types/events"
+)
+
+const BusinessMessageLinkPrefix = "https://wa.me/message/"
+const BusinessMessageLinkDirectPrefix = "https://api.whatsapp.com/message/"
+
+// ResolveBusinessMessageLink resolves a business message short link and returns the target JID, business name and
+// text to prefill in the input field (if any).
+//
+// The links look like https://wa.me/message/<code> or https://api.whatsapp.com/message/<code>. You can either provide
+// the full link, or just the <code> part.
+func (cli *Client) ResolveBusinessMessageLink(code string) (*types.BusinessMessageLinkTarget, error) {
+	code = strings.TrimPrefix(code, BusinessMessageLinkPrefix)
+	code = strings.TrimPrefix(code, BusinessMessageLinkDirectPrefix)
+
+	resp, err := cli.sendIQ(infoQuery{
+		Namespace: "w:qr",
+		Type:      "get",
+		// WhatsApp android doesn't seem to have a "to" field for this one at all, not sure why but it works
+		Content: []waBinary.Node{{
+			Tag: "qr",
+			Attrs: waBinary.Attrs{
+				"code": code,
+			},
+		}},
+	})
+	if errors.Is(err, ErrIQNotFound) {
+		return nil, wrapIQError(ErrBusinessMessageLinkNotFound, err)
+	} else if err != nil {
+		return nil, err
+	}
+	qrChild, ok := resp.GetOptionalChildByTag("qr")
+	if !ok {
+		return nil, &ElementMissingError{Tag: "qr", In: "response to business message link query"}
+	}
+	var target types.BusinessMessageLinkTarget
+	ag := qrChild.AttrGetter()
+	target.JID = ag.JID("jid")
+	target.PushName = ag.String("notify")
+	messageChild, ok := qrChild.GetOptionalChildByTag("message")
+	if ok {
+		messageBytes, _ := messageChild.Content.([]byte)
+		target.Message = string(messageBytes)
+	}
+	businessChild, ok := qrChild.GetOptionalChildByTag("business")
+	if ok {
+		bag := businessChild.AttrGetter()
+		target.IsSigned = bag.OptionalBool("is_signed")
+		target.VerifiedName = bag.OptionalString("verified_name")
+		target.VerifiedLevel = bag.OptionalString("verified_level")
+	}
+	return &target, ag.Error()
+}
+
+// IsOnWhatsApp checks if the given phone numbers are registered on WhatsApp.
+// The phone numbers should be in international format, including the `+` prefix.
+func (cli *Client) IsOnWhatsApp(phones []string) ([]types.IsOnWhatsAppResponse, error) {
+	jids := make([]types.JID, len(phones))
+	for i := range jids {
+		jids[i] = types.NewJID(phones[i], types.LegacyUserServer)
+	}
+	list, err := cli.usync(jids, "query", "interactive", []waBinary.Node{
+		{Tag: "business", Content: []waBinary.Node{{Tag: "verified_name"}}},
+		{Tag: "contact"},
+	})
+	if err != nil {
+		return nil, err
+	}
+	output := make([]types.IsOnWhatsAppResponse, 0, len(jids))
+	querySuffix := "@" + types.LegacyUserServer
+	for _, child := range list.GetChildren() {
+		jid, jidOK := child.Attrs["jid"].(types.JID)
+		if child.Tag != "user" || !jidOK {
+			continue
+		}
+		var info types.IsOnWhatsAppResponse
+		info.JID = jid
+		info.VerifiedName, err = parseVerifiedName(child.GetChildByTag("business"))
+		if err != nil {
+			cli.Log.Warnf("Failed to parse %s's verified name details: %v", jid, err)
+		}
+		contactNode := child.GetChildByTag("contact")
+		info.IsIn = contactNode.AttrGetter().String("type") == "in"
+		contactQuery, _ := contactNode.Content.([]byte)
+		info.Query = strings.TrimSuffix(string(contactQuery), querySuffix)
+		output = append(output, info)
+	}
+	return output, nil
+}
+
+// GetUserInfo gets basic user info (avatar, status, verified business name, device list).
+func (cli *Client) GetUserInfo(jids []types.JID) (map[types.JID]types.UserInfo, error) {
+	list, err := cli.usync(jids, "full", "background", []waBinary.Node{
+		{Tag: "business", Content: []waBinary.Node{{Tag: "verified_name"}}},
+		{Tag: "status"},
+		{Tag: "picture"},
+		{Tag: "devices", Attrs: waBinary.Attrs{"version": "2"}},
+	})
+	if err != nil {
+		return nil, err
+	}
+	respData := make(map[types.JID]types.UserInfo, len(jids))
+	for _, child := range list.GetChildren() {
+		jid, jidOK := child.Attrs["jid"].(types.JID)
+		if child.Tag != "user" || !jidOK {
+			continue
+		}
+		verifiedName, err := parseVerifiedName(child.GetChildByTag("business"))
+		if err != nil {
+			cli.Log.Warnf("Failed to parse %s's verified name details: %v", jid, err)
+		}
+		status, _ := child.GetChildByTag("status").Content.([]byte)
+		pictureID, _ := child.GetChildByTag("picture").Attrs["id"].(string)
+		devices := parseDeviceList(jid.User, child.GetChildByTag("devices"))
+		respData[jid] = types.UserInfo{
+			VerifiedName: verifiedName,
+			Status:       string(status),
+			PictureID:    pictureID,
+			Devices:      devices,
+		}
+		if verifiedName != nil {
+			cli.updateBusinessName(jid, verifiedName.Details.GetVerifiedName())
+		}
+	}
+	return respData, nil
+}
+
+// GetUserDevices gets the list of devices that the given user has. The input should be a list of
+// regular JIDs, and the output will be a list of AD JIDs. The local device will not be included in
+// the output even if the user's JID is included in the input. All other devices will be included.
+func (cli *Client) GetUserDevices(jids []types.JID) ([]types.JID, error) {
+	cli.userDevicesCacheLock.Lock()
+	defer cli.userDevicesCacheLock.Unlock()
+
+	var devices, jidsToSync []types.JID
+	for _, jid := range jids {
+		cached, ok := cli.userDevicesCache[jid]
+		if ok && len(cached) > 0 {
+			devices = append(devices, cached...)
+		} else {
+			jidsToSync = append(jidsToSync, jid)
+		}
+	}
+	if len(jidsToSync) == 0 {
+		return devices, nil
+	}
+
+	list, err := cli.usync(jidsToSync, "query", "message", []waBinary.Node{
+		{Tag: "devices", Attrs: waBinary.Attrs{"version": "2"}},
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	for _, user := range list.GetChildren() {
+		jid, jidOK := user.Attrs["jid"].(types.JID)
+		if user.Tag != "user" || !jidOK {
+			continue
+		}
+		userDevices := parseDeviceList(jid.User, user.GetChildByTag("devices"))
+		cli.userDevicesCache[jid] = userDevices
+		devices = append(devices, userDevices...)
+	}
+
+	return devices, nil
+}
+
+// GetProfilePictureInfo gets the URL where you can download a WhatsApp user's profile picture or group's photo.
+// If the user or group doesn't have a profile picture, this returns nil with no error.
+func (cli *Client) GetProfilePictureInfo(jid types.JID, preview bool) (*types.ProfilePictureInfo, error) {
+	attrs := waBinary.Attrs{
+		"query": "url",
+	}
+	if preview {
+		attrs["type"] = "preview"
+	} else {
+		attrs["type"] = "image"
+	}
+	resp, err := cli.sendIQ(infoQuery{
+		Namespace: "w:profile:picture",
+		Type:      "get",
+		To:        jid,
+		Content: []waBinary.Node{{
+			Tag:   "picture",
+			Attrs: attrs,
+		}},
+	})
+	if errors.Is(err, ErrIQNotAuthorized) {
+		return nil, wrapIQError(ErrProfilePictureUnauthorized, err)
+	} else if errors.Is(err, ErrIQNotFound) {
+		return nil, nil
+	} else if err != nil {
+		return nil, err
+	}
+	picture, ok := resp.GetOptionalChildByTag("picture")
+	if !ok {
+		return nil, &ElementMissingError{Tag: "picture", In: "response to profile picture query"}
+	}
+	var info types.ProfilePictureInfo
+	ag := picture.AttrGetter()
+	info.ID = ag.String("id")
+	info.URL = ag.String("url")
+	info.Type = ag.String("type")
+	info.DirectPath = ag.String("direct_path")
+	if !ag.OK() {
+		return &info, ag.Error()
+	}
+	return &info, nil
+}
+
+func (cli *Client) handleHistoricalPushNames(names []*waProto.Pushname) {
+	if cli.Store.Contacts == nil {
+		return
+	}
+	for _, user := range names {
+		if user.GetPushname() == "-" {
+			continue
+		}
+		var changed bool
+		if jid, err := types.ParseJID(user.GetId()); err != nil {
+			cli.Log.Warnf("Failed to parse user ID '%s' in push name history sync: %v", user.GetId(), err)
+		} else if changed, _, err = cli.Store.Contacts.PutPushName(jid, user.GetPushname()); err != nil {
+			cli.Log.Warnf("Failed to store push name of %s from history sync: %v", err)
+		} else if changed {
+			cli.Log.Debugf("Got push name %s for %s in history sync", user.GetPushname(), jid)
+		}
+	}
+}
+
+func (cli *Client) updatePushName(user types.JID, messageInfo *types.MessageInfo, name string) {
+	if cli.Store.Contacts == nil {
+		return
+	}
+	user = user.ToNonAD()
+	changed, previousName, err := cli.Store.Contacts.PutPushName(user, name)
+	if err != nil {
+		cli.Log.Errorf("Failed to save push name of %s in device store: %v", user, err)
+	} else if changed {
+		cli.Log.Debugf("Push name of %s changed from %s to %s, dispatching event", user, previousName, name)
+		cli.dispatchEvent(&events.PushName{
+			JID:         user,
+			Message:     messageInfo,
+			OldPushName: previousName,
+			NewPushName: name,
+		})
+	}
+}
+
+func (cli *Client) updateBusinessName(user types.JID, name string) {
+	if cli.Store.Contacts == nil {
+		return
+	}
+	err := cli.Store.Contacts.PutBusinessName(user, name)
+	if err != nil {
+		cli.Log.Errorf("Failed to save business name of %s in device store: %v", user, err)
+	}
+}
+
+func parseVerifiedName(businessNode waBinary.Node) (*types.VerifiedName, error) {
+	if businessNode.Tag != "business" {
+		return nil, nil
+	}
+	verifiedNameNode, ok := businessNode.GetOptionalChildByTag("verified_name")
+	if !ok {
+		return nil, nil
+	}
+	rawCert, ok := verifiedNameNode.Content.([]byte)
+	if !ok {
+		return nil, nil
+	}
+
+	var cert waProto.VerifiedNameCertificate
+	err := proto.Unmarshal(rawCert, &cert)
+	if err != nil {
+		return nil, err
+	}
+	var certDetails waProto.VerifiedNameDetails
+	err = proto.Unmarshal(cert.GetDetails(), &certDetails)
+	if err != nil {
+		return nil, err
+	}
+	return &types.VerifiedName{
+		Certificate: &cert,
+		Details:     &certDetails,
+	}, nil
+}
+
+func parseDeviceList(user string, deviceNode waBinary.Node) []types.JID {
+	deviceList := deviceNode.GetChildByTag("device-list")
+	if deviceNode.Tag != "devices" || deviceList.Tag != "device-list" {
+		return nil
+	}
+	children := deviceList.GetChildren()
+	devices := make([]types.JID, 0, len(children))
+	for _, device := range children {
+		deviceID, ok := device.AttrGetter().GetInt64("id", true)
+		if device.Tag != "device" || !ok {
+			continue
+		}
+		devices = append(devices, types.NewADJID(user, 0, byte(deviceID)))
+	}
+	return devices
+}
+
+func (cli *Client) usync(jids []types.JID, mode, context string, query []waBinary.Node) (*waBinary.Node, error) {
+	userList := make([]waBinary.Node, len(jids))
+	for i, jid := range jids {
+		userList[i].Tag = "user"
+		if jid.AD {
+			jid.AD = false
+		}
+		switch jid.Server {
+		case types.LegacyUserServer:
+			userList[i].Content = []waBinary.Node{{
+				Tag:     "contact",
+				Content: jid.String(),
+			}}
+		case types.DefaultUserServer:
+			userList[i].Attrs = waBinary.Attrs{"jid": jid}
+		default:
+			return nil, fmt.Errorf("unknown user server '%s'", jid.Server)
+		}
+	}
+	resp, err := cli.sendIQ(infoQuery{
+		Namespace: "usync",
+		Type:      "get",
+		To:        types.ServerJID,
+		Content: []waBinary.Node{{
+			Tag: "usync",
+			Attrs: waBinary.Attrs{
+				"sid":     cli.generateRequestID(),
+				"mode":    mode,
+				"last":    "true",
+				"index":   "0",
+				"context": context,
+			},
+			Content: []waBinary.Node{
+				{Tag: "query", Content: query},
+				{Tag: "list", Content: userList},
+			},
+		}},
+	})
+	if err != nil {
+		return nil, fmt.Errorf("failed to send usync query: %w", err)
+	} else if list, ok := resp.GetOptionalChildByTag("usync", "list"); !ok {
+		return nil, &ElementMissingError{Tag: "list", In: "response to usync query"}
+	} else {
+		return &list, err
+	}
+}