116 lines
2.9 KiB
Go
116 lines
2.9 KiB
Go
package jail
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import (
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"os"
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"github.com/robertkrimen/otto"
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"github.com/status-im/status-go/geth/common"
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"github.com/status-im/status-go/geth/jail/console"
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"github.com/status-im/status-go/geth/node"
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)
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// signals
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const (
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EventSignal = "jail.signal"
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// EventConsoleLog defines the event type for the console.log call.
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eventConsoleLog = "vm.console.log"
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)
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// registerHandlers augments and transforms a given jail cell's underlying VM,
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// by adding and replacing method handlers.
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func registerHandlers(jail *Jail, cell common.JailCell, chatID string) error {
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jeth, err := cell.Get("jeth")
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if err != nil {
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return err
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}
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registerHandler := jeth.Object().Set
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if err = registerHandler("console", map[string]interface{}{
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"log": func(fn otto.FunctionCall) otto.Value {
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return console.Write(fn, os.Stdout, eventConsoleLog)
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},
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}); err != nil {
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return err
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}
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// register send handler
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if err = registerHandler("send", makeSendHandler(jail)); err != nil {
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return err
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}
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// register sendAsync handler
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if err = registerHandler("sendAsync", makeSendHandler(jail)); err != nil {
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return err
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}
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// register isConnected handler
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if err = registerHandler("isConnected", makeJethIsConnectedHandler(jail)); err != nil {
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return err
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}
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// register sendMessage/showSuggestions handlers
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if err = cell.Set("statusSignals", struct{}{}); err != nil {
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return err
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}
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statusSignals, err := cell.Get("statusSignals")
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if err != nil {
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return err
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}
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registerHandler = statusSignals.Object().Set
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if err = registerHandler("sendSignal", makeSignalHandler(chatID)); err != nil {
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return err
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}
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return nil
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}
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// makeSendHandler returns jeth.send() and jeth.sendAsync() handler
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func makeSendHandler(jail *Jail) func(call otto.FunctionCall) (response otto.Value) {
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return jail.Send
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}
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// makeJethIsConnectedHandler returns jeth.isConnected() handler
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func makeJethIsConnectedHandler(jail *Jail) func(call otto.FunctionCall) (response otto.Value) {
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return func(call otto.FunctionCall) otto.Value {
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client, err := jail.nodeManager.RPCClient()
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if err != nil {
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return newErrorResponse(call.Otto, -32603, err.Error(), nil)
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}
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var netListeningResult bool
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if err := client.Call(&netListeningResult, "net_listening"); err != nil {
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return newErrorResponse(call.Otto, -32603, err.Error(), nil)
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}
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if !netListeningResult {
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return newErrorResponse(call.Otto, -32603, node.ErrNoRunningNode.Error(), nil)
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}
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return newResultResponse(call.Otto, true)
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}
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}
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// SignalEvent wraps Jail send signals
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type SignalEvent struct {
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ChatID string `json:"chat_id"`
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Data string `json:"data"`
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}
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func makeSignalHandler(chatID string) func(call otto.FunctionCall) otto.Value {
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return func(call otto.FunctionCall) otto.Value {
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message := call.Argument(0).String()
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node.SendSignal(node.SignalEnvelope{
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Type: EventSignal,
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Event: SignalEvent{
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ChatID: chatID,
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Data: message,
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},
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})
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return newResultResponse(call.Otto, true)
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}
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}
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