/
call_oracle.go
57 lines (48 loc) · 1.22 KB
/
call_oracle.go
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package handlers
import (
"bytes"
"compress/gzip"
"context"
"fmt"
"io/ioutil"
"regexp"
pb "github.com/evilsocket/sum/proto"
"github.com/chzyer/readline"
"github.com/evilsocket/islazy/str"
)
var callOracleHandler = handler{
Name: "CALL",
Mnemonic: "<NAME>(<ARGUMENTS>)",
Completer: nil,
Parser: regexp.MustCompile(`^(?i)([^\(]+)\(([^\)]*)\)$`),
Description: "Call the oracle <NAME> with the specified <ARGUMENTS>.",
Callback: func(cmd string, args []string, reader *readline.Instance, client pb.SumServiceClient) error {
resp, err := client.FindOracle(context.TODO(), &pb.ByName{Name: cmd})
if err != nil {
return err
} else if resp.Success == false {
return fmt.Errorf("%s", resp.Msg)
}
call := pb.Call{
OracleId: resp.Oracle.Id,
Args: str.Comma(args[0]),
}
cresp, err := client.Run(context.TODO(), &call)
if err != nil {
return err
} else if cresp.Success == false {
return fmt.Errorf("%s", cresp.Msg)
}
data := cresp.Data.Payload
if cresp.Data.Compressed {
gr, err := gzip.NewReader(bytes.NewBuffer(data))
defer gr.Close()
data, err = ioutil.ReadAll(gr)
if err != nil {
return err
}
}
fmt.Printf("%s\n", string(data))
return nil
},
}