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// Copyright (c) 2022 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 (
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"go.mau.fi/whatsmeow/socket"
"go.mau.fi/whatsmeow/store"
)
// CheckUpdateResponse is the data returned by CheckUpdate.
type CheckUpdateResponse struct {
IsBroken bool
IsBelowSoft bool
IsBelowHard bool
CurrentVersion string
ParsedVersion store.WAVersionContainer `json:"-"`
}
// CheckUpdateURL is the base URL to check for WhatsApp web updates.
const CheckUpdateURL = "https://web.whatsapp.com/check-update"
// CheckUpdate asks the WhatsApp servers if there is an update available
// (using the HTTP client and proxy settings of this whatsmeow Client instance).
func (cli *Client) CheckUpdate() (respData CheckUpdateResponse, err error) {
return CheckUpdate(cli.http)
}
// CheckUpdate asks the WhatsApp servers if there is an update available.
func CheckUpdate(httpClient *http.Client) (respData CheckUpdateResponse, err error) {
var reqURL *url.URL
reqURL, err = url.Parse(CheckUpdateURL)
if err != nil {
err = fmt.Errorf("failed to parse check update URL: %w", err)
return
}
q := reqURL.Query()
q.Set("version", store.GetWAVersion().String())
q.Set("platform", "web")
reqURL.RawQuery = q.Encode()
var req *http.Request
req, err = http.NewRequest(http.MethodGet, reqURL.String(), nil)
if err != nil {
err = fmt.Errorf("failed to prepare request: %w", err)
return
}
req.Header.Set("Origin", socket.Origin)
req.Header.Set("Referer", socket.Origin+"/")
var resp *http.Response
resp, err = httpClient.Do(req)
if err != nil {
err = fmt.Errorf("failed to send request: %w", err)
return
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
body, _ := io.ReadAll(resp.Body)
err = fmt.Errorf("unexpected response with status %d: %s", resp.StatusCode, body)
return
}
err = json.NewDecoder(resp.Body).Decode(&respData)
if err != nil {
err = fmt.Errorf("failed to decode response body (status %d): %w", resp.StatusCode, err)
return
}
respData.ParsedVersion, err = store.ParseVersion(respData.CurrentVersion)
if err != nil {
err = fmt.Errorf("failed to parse version string: %w", err)
}
return
}
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