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package funcaptcha
import (
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"math/rand"
"net/url"
"regexp"
"strconv"
"strings"
"time"
http "github.com/bogdanfinn/fhttp"
)
const arkPreURL = "https://tcr9i.chat.openai.com/fc/gt2/"
const arkAuthPreURL = "https://tcr9i.openai.com/fc/gt2/"
var arkURLIns, _ = url.Parse(arkPreURL)
type arkReq struct {
arkURL string
arkBx string
arkHeader http.Header
arkBody url.Values
arkCookies []*http.Cookie
userAgent string
}
type kvPair struct {
Name string `json:"name"`
Value string `json:"value"`
}
type cookie struct {
Name string `json:"name"`
Value string `json:"value"`
Expires string `json:"expires"`
}
type postBody struct {
Params []kvPair `json:"params"`
}
type request struct {
URL string `json:"url"`
Headers []kvPair `json:"headers,omitempty"`
PostData postBody `json:"postData,omitempty"`
Cookies []cookie `json:"cookies,omitempty"`
}
type entries struct {
StartedDateTime string `json:"startedDateTime"`
Request request `json:"request"`
}
type logData struct {
Entries []entries `json:"entries"`
}
type HARData struct {
Log logData `json:"log"`
}
func (s *Solver) GetOpenAIToken(version arkVer, puid string) (string, error) {
token, err := s.sendRequest(version, "", puid)
return token, err
}
func (s *Solver) GetOpenAITokenWithBx(version arkVer, bx string, puid string) (string, error) {
token, err := s.sendRequest(version, getBdaWitBx(bx), puid)
return token, err
}
func (s *Solver) sendRequest(arkType arkVer, bda string, puid string) (string, error) {
if len(s.arks[arkType]) == 0 {
return "", errors.New("a valid HAR file with arkType " + strconv.Itoa(int(arkType)) + " required")
}
var tmpArk *arkReq = &s.arks[arkType][0]
s.arks[arkType] = append(s.arks[arkType][1:], s.arks[arkType][0])
if tmpArk == nil || tmpArk.arkBx == "" || len(tmpArk.arkBody) == 0 || len(tmpArk.arkHeader) == 0 {
return "", errors.New("a valid HAR file required")
}
if bda == "" {
bda = s.getBDA(tmpArk)
}
tmpArk.arkBody.Set("bda", base64.StdEncoding.EncodeToString([]byte(bda)))
tmpArk.arkBody.Set("rnd", strconv.FormatFloat(rand.Float64(), 'f', -1, 64))
req, _ := http.NewRequest(http.MethodPost, tmpArk.arkURL, strings.NewReader(tmpArk.arkBody.Encode()))
req.Header = tmpArk.arkHeader.Clone()
(*s.client).GetCookieJar().SetCookies(arkURLIns, tmpArk.arkCookies)
if puid != "" {
req.Header.Set("cookie", "_puid="+puid+";")
}
resp, err := (*s.client).Do(req)
if err != nil {
return "", err
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return "", errors.New("status code " + resp.Status)
}
type arkoseResponse struct {
Token string `json:"token"`
}
var arkose arkoseResponse
err = json.NewDecoder(resp.Body).Decode(&arkose)
if err != nil {
return "", err
}
// Check if rid is empty
if !strings.Contains(arkose.Token, "pk=") {
return arkose.Token, errors.New("captcha required")
}
return arkose.Token, nil
}
//goland:noinspection SpellCheckingInspection
func (s *Solver) getBDA(arkReq *arkReq) string {
var bx string = arkReq.arkBx
if bx == "" {
bx = fmt.Sprintf(bx_template,
getF(),
getN(),
getWh(),
webglExtensions,
getWebglExtensionsHash(),
webglRenderer,
webglVendor,
webglVersion,
webglShadingLanguageVersion,
webglAliasedLineWidthRange,
webglAliasedPointSizeRange,
webglAntialiasing,
webglBits,
webglMaxParams,
webglMaxViewportDims,
webglUnmaskedVendor,
webglUnmaskedRenderer,
webglVsfParams,
webglVsiParams,
webglFsfParams,
webglFsiParams,
getWebglHashWebgl(),
s.initVer,
s.initHex,
getFe(),
getIfeHash(),
)
} else {
re := regexp.MustCompile(`"key"\:"n","value"\:"\S*?"`)
bx = re.ReplaceAllString(bx, `"key":"n","value":"`+getN()+`"`)
}
bt := getBt()
bw := getBw(bt)
return Encrypt(bx, arkReq.userAgent+bw)
}
func getBt() int64 {
return time.Now().UnixMicro() / 1000000
}
func getBw(bt int64) string {
return strconv.FormatInt(bt-(bt%21600), 10)
}
func getBdaWitBx(bx string) string {
bt := getBt()
bw := getBw(bt)
return Encrypt(bx, bv+bw)
}
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