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2023-07-02 19:00:59 +03:00
commit 434916ed71
11 changed files with 1304 additions and 0 deletions

228
api/AntiGateV2.go Normal file
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package api
import (
"encoding/json"
"io"
"net/http"
"reflect"
"git.sati.ac/sati.ac/sati-go"
"github.com/mitchellh/mapstructure"
"github.com/sirupsen/logrus"
)
type antigateV2Api struct {
ctx *ApiContext
mux *http.ServeMux
}
func (a *antigateV2Api) Name() string {
return "AntiGateV2"
}
func (a *antigateV2Api) Domains() []string {
return []string{
"api.anti-captcha.com",
"api.capsolver.com",
}
}
func (a *antigateV2Api) ServeHTTP(w http.ResponseWriter, r *http.Request) {
a.mux.ServeHTTP(w, r)
}
type antigateError struct {
ErrorId uint32 `json:"erorrId"`
ErrorCode string `json:"errorCode"`
ErrorDescription string `json:"errorDescription"`
}
var (
errorNoSuchMethod = &antigateError{
ErrorId: 14,
ErrorCode: "ERROR_NO_SUCH_METHOD",
ErrorDescription: "Request made to API with a method that does not exist",
}
errorCaptchaUnsolvable = &antigateError{
ErrorId: 12,
ErrorCode: "ERROR_CAPTCHA_UNSOLVABLE",
ErrorDescription: "Captcha unsolvable",
}
errorNoSuchCaptchaId = &antigateError{
ErrorId: 16,
ErrorCode: "ERROR_NO_SUCH_CAPCHA_ID",
ErrorDescription: "The captcha you are requesting does not exist in your active captchas list or has expired",
}
errorTaskAbsent = &antigateError{
ErrorId: 22,
ErrorCode: "ERROR_TASK_ABSENT",
ErrorDescription: `"task" property is empty or not set in the createTask method`,
}
errorTaskNotSupported = &antigateError{
ErrorId: 23,
ErrorCode: "ERROR_TASK_NOT_SUPPORTED",
ErrorDescription: "Task type is not supported or typed incorrectly",
}
errorInternal = &antigateError{
ErrorId: 1000,
ErrorCode: "ERROR_INTERNAL",
ErrorDescription: "Internal error, check bridge logs",
}
errorBadRequest = &antigateError{
ErrorId: 1001,
ErrorCode: "ERROR_BAD_REQUEST",
ErrorDescription: "Bad request",
}
)
func (a *antigateV2Api) getTaskResult(request struct {
TaskId uint32 `json:"taskId"`
}) any {
task := a.ctx.Registry.Get(request.TaskId)
if task == nil {
return errorNoSuchCaptchaId
}
if task.State == StateError {
return errorCaptchaUnsolvable
}
response := &struct {
ErrorId uint `json:"errorId"`
Status string `json:"status"`
Solution any `json:"solution"`
Cost string `json:"cost"`
Ip string `json:"ip"`
CreateTime int64 `json:"createTime"`
EndTime *int64 `json:"endTime,omitempty"`
SolveCount uint `json:"solveCount"`
}{
CreateTime: task.CreateTime,
SolveCount: 1,
Ip: a.ctx.Config.AntiGateV2.Ip,
Cost: "0",
}
if task.State == StateProcessing {
response.Status = "processing"
} else {
response.Status = "ready"
response.EndTime = &task.EndTime
response.Cost = task.Entity.Cost
switch task.Result.(type) {
case *sati.ReCaptcha2Result:
response.Solution = struct {
GRecaptchaResponse string `json:"gRecaptchaResponse"`
}{task.Result.(*sati.ReCaptcha2Result).Token}
case *sati.TurnstileResult:
response.Solution = struct {
Token string `json:"token"`
UserAgent string `json:"userAgent"`
}{
task.Result.(*sati.TurnstileResult).Token,
a.ctx.Config.AntiGateV2.TurnstileUserAgent,
}
default:
return errorTaskNotSupported
}
}
return response
}
func (a *antigateV2Api) createTask(request struct {
Task map[string]any `json:"task"`
}) any {
taskType, ok := request.Task["type"].(string)
if !ok {
return errorTaskAbsent
}
var id uint32
switch taskType {
case "TurnstileTask", "TurnstileTaskProxyless":
var task struct {
WebsiteURL string `json:"websiteURL"`
WebsiteKey string `json:"websiteKey"`
Action *string `json:"action"`
}
mapstructure.Decode(request.Task, &task)
id = a.ctx.Registry.CreateTask(&sati.TurnstileTask{
PageUrl: task.WebsiteURL,
SiteKey: task.WebsiteKey,
Action: task.Action,
})
case "RecaptchaV2Task", "RecaptchaV2TaskProxyless":
var task struct {
WebsiteURL string `json:"websiteURL"`
WebsiteKey string `json:"websiteKey"`
}
mapstructure.Decode(request.Task, &task)
id = a.ctx.Registry.CreateTask(&sati.ReCaptcha2Task{
PageUrl: task.WebsiteURL,
SiteKey: task.WebsiteKey,
})
default:
return errorTaskNotSupported
}
return &struct {
ErrorId uint32 `json:"errorId"`
TaskId uint32 `json:"taskId"`
}{0, id}
}
func (a *antigateV2Api) getBalance(struct{}) any {
balance, err := a.ctx.Api.GetBalance()
if err != nil {
a.ctx.Logger.WithFields(logrus.Fields{
"handler": a.Name(),
"method": "getBalance",
}).Error(err.Error())
return errorInternal
}
return &struct {
ErrorId uint `json:"errorId"`
CaptchaCredits uint `json:"captchaCredits"`
Balance float64 `json:"balance"`
}{0, 0, balance.InexactFloat64()}
}
func jsonHandler[T any](handler func(data T) any) func(http.ResponseWriter, *http.Request) {
emptyRequest := reflect.Zero(reflect.TypeOf(handler).In(0)).Interface().(T)
return func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("Content-Type", "application/json")
data, _ := io.ReadAll(r.Body)
request := emptyRequest
if err := json.Unmarshal(data, &request); err != nil {
marshaled, _ := json.Marshal(errorBadRequest)
w.Write(marshaled)
return
}
response := handler(request)
marshaled, _ := json.Marshal(response)
w.Write(marshaled)
}
}
func newAntigateV2Api(ctx *ApiContext) ApiHandler {
api := &antigateV2Api{ctx, http.NewServeMux()}
api.mux.HandleFunc("/createTask", jsonHandler(api.createTask))
api.mux.HandleFunc("/getTaskResult", jsonHandler(api.getTaskResult))
api.mux.HandleFunc("/getBalance", jsonHandler(api.getBalance))
return api
}

267
api/RuCaptcha.go Normal file
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package api
import (
"encoding/json"
"net/http"
"net/url"
"strconv"
"strings"
"git.sati.ac/sati.ac/sati-go"
"github.com/sirupsen/logrus"
)
type ruCaptchaApi struct {
ctx *ApiContext
mux *http.ServeMux
}
func (a *ruCaptchaApi) Name() string {
return "RuCaptcha"
}
func (a *ruCaptchaApi) Domains() []string {
return []string{
"rucaptcha.com",
"2captcha.com",
}
}
func (a *ruCaptchaApi) ServeHTTP(w http.ResponseWriter, r *http.Request) {
a.mux.ServeHTTP(w, r)
}
type ruCaptchaResponse interface{ text() string }
func (a *ruCaptchaApi) wrap(handler func(url.Values) ruCaptchaResponse) func(http.ResponseWriter, *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
query := r.URL.Query()
useJson := false
if val := query.Get("json"); val != "" && val != "0" {
useJson = true
}
if val := query.Get("header_acao"); val != "" && val != "0" {
w.Header().Add("Access-Control-Allow-Origin", "*")
}
result := handler(query)
if useJson {
w.Header().Add("Content-Type", "application/json")
} else {
w.Header().Add("Content-Type", "text/plain; charset=utf-8")
}
if useJson {
marshaled, _ := json.Marshal(result)
w.Write(marshaled)
} else {
w.Write([]byte(result.text()))
}
}
}
type simpleResponse struct {
Status uint `json:"status"`
Request string `json:"request"`
}
func (r *simpleResponse) text() string { return r.Request }
type okResponse simpleResponse
func (r *okResponse) text() string { return "OK|" + r.Request }
func (a *ruCaptchaApi) endpointIn(params url.Values) ruCaptchaResponse {
var id uint32
switch params.Get("method") {
case "userrecaptcha":
if val := params.Get("version"); val != "" && val != "v2" {
a.ctx.Logger.WithFields(logrus.Fields{
"handler": a.Name(),
"method": "in.php",
}).Warn("recaptcha v3 isn't supported yet")
return &simpleResponse{0, "ERROR_BAD_PARAMETERS"}
}
if val := params.Get("enterprise"); val != "" && val != "0" {
a.ctx.Logger.WithFields(logrus.Fields{
"handler": a.Name(),
"method": "in.php",
}).Warn("recaptcha enterprise isn't supported yet")
return &simpleResponse{0, "ERROR_BAD_PARAMETERS"}
}
pageUrl := params.Get("pageurl")
siteKey := params.Get("googlekey")
if pageUrl == "" || siteKey == "" {
return &simpleResponse{0, "ERROR_BAD_PARAMETERS"}
}
id = a.ctx.Registry.CreateTask(&sati.ReCaptcha2Task{
PageUrl: pageUrl,
SiteKey: siteKey,
})
case "turnstile":
pageUrl := params.Get("pageurl")
siteKey := params.Get("sitekey")
if pageUrl == "" || siteKey == "" {
return &simpleResponse{0, "ERROR_BAD_PARAMETERS"}
}
var action *string
var cData *string
if params.Has("action") {
val := params.Get("action")
action = &val
}
if params.Has("data") {
val := params.Get("data")
cData = &val
}
id = a.ctx.Registry.CreateTask(&sati.TurnstileTask{
SiteKey: siteKey,
PageUrl: pageUrl,
Action: action,
CData: cData,
})
default:
return &simpleResponse{0, "ERROR_ZERO_CAPTCHA_FILESIZE"}
}
return &okResponse{1, strconv.FormatUint(uint64(id), 10)}
}
type get2Response struct {
Status uint `json:"status"`
Request string `json:"request"`
Price string `json:"price,omitempty"`
}
func (r *get2Response) text() string {
return "OK|" + r.Request + "|" + r.Price
}
func (a *ruCaptchaApi) convertTaskResult(task *Task) string {
switch task.Result.(type) {
case *sati.ReCaptcha2Result:
return task.Result.(*sati.ReCaptcha2Result).Token
case *sati.TurnstileResult:
return task.Result.(*sati.TurnstileResult).Token
}
a.ctx.Logger.WithFields(logrus.Fields{
"handler": a.Name(),
"method": "convertTaskResult",
}).Warn("unsupported result type")
return ""
}
func (a *ruCaptchaApi) handleMultiIdRes(rawIds string) ruCaptchaResponse {
responses := []string{}
for _, rawId := range strings.Split(rawIds, ",") {
id, err := strconv.ParseUint(rawId, 10, 32)
if err != nil {
responses = append(responses, "ERROR_NO_SUCH_CAPCHA_ID")
continue
}
task := a.ctx.Registry.Get(uint32(id))
if task == nil {
return &simpleResponse{0, "ERROR_NO_SUCH_CAPCHA_ID"}
}
switch task.State {
case StateProcessing:
responses = append(responses, "CAPCHA_NOT_READY")
case StateError:
responses = append(responses, "ERROR_CAPTCHA_UNSOLVABLE")
case StateSuccess:
responses = append(responses, a.convertTaskResult(task))
}
}
return &simpleResponse{1, strings.Join(responses, "|")}
}
func (a *ruCaptchaApi) safelyGetTask(rawId string) (*Task, string) {
id, err := strconv.ParseUint(rawId, 10, 32)
if err != nil {
return nil, "ERROR_WRONG_CAPTCHA_ID"
}
task := a.ctx.Registry.Get(uint32(id))
if task == nil {
return nil, "ERROR_WRONG_CAPTCHA_ID"
}
switch task.State {
case StateProcessing:
return nil, "CAPCHA_NOT_READY"
case StateError:
return nil, "ERROR_CAPTCHA_UNSOLVABLE"
case StateSuccess:
return task, ""
}
return nil, "ERROR_INTERNAL" // this should never happen
}
func (a *ruCaptchaApi) endpointRes(params url.Values) ruCaptchaResponse {
switch params.Get("action") {
case "getbalance":
balance, err := a.ctx.Api.GetBalance()
if err != nil {
a.ctx.Logger.WithFields(logrus.Fields{
"handler": a.Name(),
"method": "getbalance",
}).Error(err.Error())
return &simpleResponse{0, "ERROR_INTERNAL"}
}
return &simpleResponse{1, balance.String()}
case "get":
if rawId := params.Get("id"); rawId != "" && rawId != "0" {
task, err := a.safelyGetTask(rawId)
if err != "" {
return &simpleResponse{0, err}
}
return &okResponse{1, a.convertTaskResult(task)}
}
if rawIds := params.Get("ids"); rawIds != "" && rawIds != "0" {
return a.handleMultiIdRes(rawIds)
}
return &simpleResponse{0, "ERROR_WRONG_CAPTCHA_ID"}
case "get2":
if rawId := params.Get("id"); rawId != "" && rawId != "0" {
task, err := a.safelyGetTask(rawId)
if err != "" {
return &simpleResponse{0, err}
}
return &get2Response{1, a.convertTaskResult(task), task.Entity.Cost}
}
if rawIds := params.Get("ids"); rawIds != "" && rawIds != "0" {
return a.handleMultiIdRes(rawIds)
}
return &simpleResponse{0, "ERROR_WRONG_CAPTCHA_ID"}
case "reportgood":
fallthrough
case "reportbad":
return &simpleResponse{1, "OK_REPORT_RECORDED"}
}
return &simpleResponse{0, "ERROR_EMPTY_METHOD"}
}
func newRuCaptchaApi(ctx *ApiContext) ApiHandler {
api := &ruCaptchaApi{ctx, http.NewServeMux()}
api.mux.HandleFunc("/in.php", api.wrap(api.endpointIn))
api.mux.HandleFunc("/res.php", api.wrap(api.endpointRes))
return api
}

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api/Stats.go Normal file
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package api
import (
"html/template"
"net/http"
)
type statsApi struct {
ctx *ApiContext
mux *http.ServeMux
}
func (a *statsApi) Name() string {
return "Stats"
}
func (a *statsApi) Domains() []string {
return []string{"bridge.sati.ac"}
}
func (a *statsApi) ServeHTTP(w http.ResponseWriter, r *http.Request) {
a.mux.ServeHTTP(w, r)
}
var statsTemplate = func() *template.Template {
template, err := template.New("stats").Parse(`
<html>
<head>
<title>sati bridge</title>
<style>
.highlight {
color: #FF7143;
}
.header {
margin-bottom: 5px;
font-size: 20px;
}
html, body {
font-size: 14px;
background: #0f0805;
color: #ddd;
font-family: "Segoe UI","Noto Sans",sans-serif;
}
table, th, td {
border: 1px solid #592D25;
border-collapse: collapse;
}
th, td {
padding: 2px 5px;
}
</style>
</head>
<body>
<div class="header">
<span class="highlight">it works!</span> statistics of this instance:
</div>
<table>
<tr><th>domain</th><th>handler</th></tr>
{{range $domain, $handler := .Domains}}
<tr><td>{{$domain}}</td><td>{{$handler}}</td></tr>
{{end}}
</table>
<br/>
<table>
<tr><th>task registry</th></tr>
<tr><td>Total</td><td>{{.Registry.Total}}</td></tr>
<tr><td>Success</td><td>{{.Registry.Success}}</td></tr>
<tr><td>Error</td><td>{{.Registry.Error}}</td></tr>
<tr><td>Processing</td><td>{{.Registry.Processing}}</td></tr>
</table>
</pre>
</body>
</html>
`)
if err != nil {
panic(err)
}
return template
}()
func (a *statsApi) stats(w http.ResponseWriter, r *http.Request) {
w.Header().Add("Content-Type", "text/html")
domains := make(map[string]string, len(a.ctx.Server.domains))
for domain, handler := range a.ctx.Server.domains {
domains[domain] = handler.Name()
}
statsTemplate.Execute(w, &struct {
Domains map[string]string
Registry RegistryStats
}{domains, a.ctx.Registry.Stats()})
}
func newStatsApi(ctx *ApiContext) ApiHandler {
api := &statsApi{ctx, http.NewServeMux()}
api.mux.HandleFunc("/", api.stats)
return api
}

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api/api.go Normal file
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package api
import (
"net/http"
"sync"
"time"
"git.sati.ac/sati.ac/bridge/config"
"git.sati.ac/sati.ac/sati-go"
"github.com/sirupsen/logrus"
)
type TaskState uint
const (
StateProcessing TaskState = iota
StateSuccess
StateError
)
type Task struct {
State TaskState
Entity *sati.TaskEntity
Result any
CreateTime int64
EndTime int64
}
type RegistryStats struct {
Total uint32
Success uint32
Error uint32
Processing uint32
}
type TaskRegistry struct {
mu *sync.RWMutex
lifetime time.Duration
tasks map[uint32]*Task
idCounter uint32
api *sati.Api
stats RegistryStats
}
func NewTaskRegistry(api *sati.Api, lifetime time.Duration) *TaskRegistry {
return &TaskRegistry{
mu: &sync.RWMutex{},
tasks: map[uint32]*Task{},
api: api,
lifetime: lifetime,
}
}
func (t *TaskRegistry) CreateTask(task sati.AnyTask) uint32 {
t.mu.Lock()
t.idCounter++
id := t.idCounter
entry := &Task{
State: StateProcessing,
CreateTime: time.Now().Unix(),
}
t.stats.Total++
t.stats.Processing++
t.tasks[id] = entry
t.mu.Unlock()
go func() {
result := task.Result()
entity, err := t.api.Solve(task, result)
t.mu.Lock()
t.stats.Processing--
if err != nil {
t.stats.Error++
entry.State = StateError
} else {
t.stats.Success++
entry.State = StateSuccess
entry.Entity = entity
entry.Result = result
}
entry.EndTime = time.Now().Unix()
t.mu.Unlock()
time.Sleep(t.lifetime)
t.mu.Lock()
delete(t.tasks, id)
t.mu.Unlock()
}()
return id
}
func (t *TaskRegistry) Stats() RegistryStats {
t.mu.RLock()
defer t.mu.RUnlock()
return t.stats
}
func (t *TaskRegistry) Get(id uint32) *Task {
t.mu.RLock()
defer t.mu.RUnlock()
task := t.tasks[id]
if task == nil {
return nil
}
cloned := *task
return &cloned
}
type ApiContext struct {
Config *config.Config
Api *sati.Api
Registry *TaskRegistry
Logger *logrus.Logger
Server *ApiServer
}
type ApiHandler interface {
Name() string
Domains() []string
ServeHTTP(w http.ResponseWriter, r *http.Request)
}
type ApiServer struct {
handlers map[string]ApiHandler
domains map[string]ApiHandler
ctx *ApiContext
}
func (a *ApiServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
a.ctx.Logger.WithFields(logrus.Fields{
"method": r.Method,
"host": r.Host,
"path": r.URL.Path,
}).Debug("request")
handler, ok := a.domains[r.Host]
if !ok {
w.Header().Set("Content-Type", "text/plain")
w.WriteHeader(400)
w.Write([]byte("domain not found"))
return
}
handler.ServeHTTP(w, r)
}
func (a *ApiServer) GetDomains() []string {
domains := make([]string, 0, len(a.domains))
for domain := range a.domains {
domains = append(domains, domain)
}
return domains
}
func NewApiServer(ctx *ApiContext) *ApiServer {
handlers := []ApiHandler{
newStatsApi(ctx),
newAntigateV2Api(ctx),
newRuCaptchaApi(ctx),
}
server := &ApiServer{
handlers: map[string]ApiHandler{},
domains: map[string]ApiHandler{},
ctx: ctx,
}
for _, handler := range handlers {
server.handlers[handler.Name()] = handler
for _, domain := range handler.Domains() {
server.domains[domain] = handler
}
}
for domain, handlerName := range ctx.Config.ExtraDomains {
handler, ok := server.handlers[handlerName]
if !ok {
ctx.Logger.WithFields(logrus.Fields{
"domain": domain,
"handler": handlerName,
}).Warn("extraDomains: handler not found, ignoring it")
continue
}
server.domains[domain] = handler
}
ctx.Server = server
return server
}