mirror of
https://github.com/bettercap/bettercap
synced 2025-08-20 13:33:21 -07:00
new: new -script allows to run JS code to instrument session
This commit is contained in:
parent
d5e5abcb9b
commit
40727063ec
13 changed files with 610 additions and 312 deletions
86
js/data.go
Normal file
86
js/data.go
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@ -0,0 +1,86 @@
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package js
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import (
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"bytes"
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"compress/gzip"
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"encoding/base64"
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"github.com/robertkrimen/otto"
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)
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func btoa(call otto.FunctionCall) otto.Value {
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varValue := base64.StdEncoding.EncodeToString([]byte(call.Argument(0).String()))
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v, err := otto.ToValue(varValue)
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if err != nil {
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return ReportError("Could not convert to string: %s", varValue)
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}
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return v
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}
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func atob(call otto.FunctionCall) otto.Value {
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varValue, err := base64.StdEncoding.DecodeString(call.Argument(0).String())
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if err != nil {
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return ReportError("Could not decode string: %s", call.Argument(0).String())
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}
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v, err := otto.ToValue(string(varValue))
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if err != nil {
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return ReportError("Could not convert to string: %s", varValue)
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}
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return v
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}
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func gzipCompress(call otto.FunctionCall) otto.Value {
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argv := call.ArgumentList
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argc := len(argv)
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if argc != 1 {
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return ReportError("gzipCompress: expected 1 argument, %d given instead.", argc)
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}
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uncompressedBytes := []byte(argv[0].String())
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var writerBuffer bytes.Buffer
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gzipWriter := gzip.NewWriter(&writerBuffer)
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_, err := gzipWriter.Write(uncompressedBytes)
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if err != nil {
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return ReportError("gzipCompress: could not compress data: %s", err.Error())
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}
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gzipWriter.Close()
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compressedBytes := writerBuffer.Bytes()
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v, err := otto.ToValue(string(compressedBytes))
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if err != nil {
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return ReportError("Could not convert to string: %s", err.Error())
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}
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return v
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}
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func gzipDecompress(call otto.FunctionCall) otto.Value {
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argv := call.ArgumentList
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argc := len(argv)
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if argc != 1 {
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return ReportError("gzipDecompress: expected 1 argument, %d given instead.", argc)
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}
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compressedBytes := []byte(argv[0].String())
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readerBuffer := bytes.NewBuffer(compressedBytes)
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gzipReader, err := gzip.NewReader(readerBuffer)
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if err != nil {
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return ReportError("gzipDecompress: could not create gzip reader: %s", err.Error())
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}
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var decompressedBuffer bytes.Buffer
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_, err = decompressedBuffer.ReadFrom(gzipReader)
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if err != nil {
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return ReportError("gzipDecompress: could not decompress data: %s", err.Error())
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}
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decompressedBytes := decompressedBuffer.Bytes()
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v, err := otto.ToValue(string(decompressedBytes))
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if err != nil {
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return ReportError("Could not convert to string: %s", err.Error())
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}
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return v
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}
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70
js/fs.go
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70
js/fs.go
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@ -0,0 +1,70 @@
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package js
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import (
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"github.com/robertkrimen/otto"
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"io/ioutil"
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)
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func readDir(call otto.FunctionCall) otto.Value {
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argv := call.ArgumentList
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argc := len(argv)
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if argc != 1 {
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return ReportError("readDir: expected 1 argument, %d given instead.", argc)
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}
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path := argv[0].String()
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dir, err := ioutil.ReadDir(path)
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if err != nil {
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return ReportError("Could not read directory %s: %s", path, err)
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}
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entry_list := []string{}
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for _, file := range dir {
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entry_list = append(entry_list, file.Name())
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}
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v, err := otto.Otto.ToValue(*call.Otto, entry_list)
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if err != nil {
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return ReportError("Could not convert to array: %s", err)
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}
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return v
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}
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func readFile(call otto.FunctionCall) otto.Value {
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argv := call.ArgumentList
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argc := len(argv)
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if argc != 1 {
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return ReportError("readFile: expected 1 argument, %d given instead.", argc)
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}
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filename := argv[0].String()
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raw, err := ioutil.ReadFile(filename)
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if err != nil {
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return ReportError("Could not read file %s: %s", filename, err)
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}
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v, err := otto.ToValue(string(raw))
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if err != nil {
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return ReportError("Could not convert to string: %s", err)
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}
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return v
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}
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func writeFile(call otto.FunctionCall) otto.Value {
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argv := call.ArgumentList
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argc := len(argv)
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if argc != 2 {
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return ReportError("writeFile: expected 2 arguments, %d given instead.", argc)
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}
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filename := argv[0].String()
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data := argv[1].String()
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err := ioutil.WriteFile(filename, []byte(data), 0644)
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if err != nil {
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return ReportError("Could not write %d bytes to %s: %s", len(data), filename, err)
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}
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return otto.NullValue()
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}
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155
js/http.go
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155
js/http.go
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package js
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import (
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"bytes"
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"fmt"
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"github.com/robertkrimen/otto"
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"io"
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"io/ioutil"
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"net/http"
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"net/url"
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"strings"
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)
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type httpPackage struct {
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}
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type httpResponse struct {
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Error error
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Response *http.Response
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Raw []byte
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Body string
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JSON interface{}
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}
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func (c httpPackage) Encode(s string) string {
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return url.QueryEscape(s)
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}
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func (c httpPackage) Request(method string, uri string, headers map[string]string, form map[string]string, json string) httpResponse {
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var reader io.Reader
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if form != nil {
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data := url.Values{}
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for k, v := range form {
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data.Set(k, v)
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}
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reader = bytes.NewBufferString(data.Encode())
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} else if json != "" {
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reader = strings.NewReader(json)
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}
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req, err := http.NewRequest(method, uri, reader)
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if err != nil {
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return httpResponse{Error: err}
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}
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if form != nil {
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req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
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} else if json != "" {
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req.Header.Set("Content-Type", "application/json")
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}
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for name, value := range headers {
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req.Header.Add(name, value)
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}
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transport := &http.Transport{}
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client := &http.Client{Transport: transport}
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resp, err := client.Do(req)
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if err != nil {
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return httpResponse{Error: err}
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}
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defer resp.Body.Close()
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raw, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return httpResponse{Error: err}
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}
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res := httpResponse{
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Response: resp,
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Raw: raw,
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Body: string(raw),
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}
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if resp.StatusCode != http.StatusOK {
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res.Error = fmt.Errorf("%s", resp.Status)
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}
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return res
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}
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func (c httpPackage) Get(url string, headers map[string]string) httpResponse {
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return c.Request("GET", url, headers, nil, "")
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}
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func (c httpPackage) PostForm(url string, headers map[string]string, form map[string]string) httpResponse {
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return c.Request("POST", url, headers, form, "")
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}
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func (c httpPackage) PostJSON(url string, headers map[string]string, json string) httpResponse {
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return c.Request("POST", url, headers, nil, json)
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}
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func httpRequest(call otto.FunctionCall) otto.Value {
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argv := call.ArgumentList
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argc := len(argv)
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if argc < 2 {
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return ReportError("httpRequest: expected 2 or more, %d given instead.", argc)
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}
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method := argv[0].String()
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url := argv[1].String()
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client := &http.Client{}
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req, err := http.NewRequest(method, url, nil)
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if argc >= 3 {
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data := argv[2].String()
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req, err = http.NewRequest(method, url, bytes.NewBuffer([]byte(data)))
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if err != nil {
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return ReportError("Could create request to url %s: %s", url, err)
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}
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if argc > 3 {
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headers := argv[3].Object()
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for _, key := range headers.Keys() {
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v, err := headers.Get(key)
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if err != nil {
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return ReportError("Could add header %s to request: %s", key, err)
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}
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req.Header.Add(key, v.String())
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}
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}
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} else if err != nil {
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return ReportError("Could create request to url %s: %s", url, err)
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}
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resp, err := client.Do(req)
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if err != nil {
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return ReportError("Could not request url %s: %s", url, err)
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}
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defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return ReportError("Could not read response: %s", err)
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}
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object, err := otto.New().Object("({})")
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if err != nil {
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return ReportError("Could not create response object: %s", err)
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}
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err = object.Set("body", string(body))
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if err != nil {
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return ReportError("Could not populate response object: %s", err)
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}
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v, err := otto.ToValue(object)
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if err != nil {
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return ReportError("Could not convert to object: %s", err)
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}
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return v
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}
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38
js/init.go
Normal file
38
js/init.go
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package js
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import (
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"github.com/evilsocket/islazy/log"
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"github.com/evilsocket/islazy/plugin"
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"github.com/robertkrimen/otto"
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)
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var NullValue = otto.Value{}
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func ReportError(format string, args ...interface{}) otto.Value {
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log.Error(format, args...)
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return NullValue
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}
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func init() {
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// TODO: refactor this in packages
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plugin.Defines["readDir"] = readDir
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plugin.Defines["readFile"] = readFile
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plugin.Defines["writeFile"] = writeFile
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plugin.Defines["log"] = flog
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plugin.Defines["log_debug"] = log_debug
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plugin.Defines["log_info"] = log_info
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plugin.Defines["log_warn"] = log_warn
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plugin.Defines["log_error"] = log_error
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plugin.Defines["log_fatal"] = log_fatal
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plugin.Defines["btoa"] = btoa
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plugin.Defines["atob"] = atob
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plugin.Defines["gzipCompress"] = gzipCompress
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plugin.Defines["gzipDecompress"] = gzipDecompress
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plugin.Defines["httpRequest"] = httpRequest
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plugin.Defines["http"] = httpPackage{}
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}
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48
js/log.go
Normal file
48
js/log.go
Normal file
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package js
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import (
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"github.com/evilsocket/islazy/log"
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"github.com/robertkrimen/otto"
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)
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func flog(call otto.FunctionCall) otto.Value {
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for _, v := range call.ArgumentList {
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log.Info("%s", v.String())
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}
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return otto.Value{}
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}
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func log_debug(call otto.FunctionCall) otto.Value {
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for _, v := range call.ArgumentList {
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log.Debug("%s", v.String())
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}
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return otto.Value{}
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}
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func log_info(call otto.FunctionCall) otto.Value {
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for _, v := range call.ArgumentList {
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log.Info("%s", v.String())
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}
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return otto.Value{}
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}
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func log_warn(call otto.FunctionCall) otto.Value {
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for _, v := range call.ArgumentList {
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log.Warning("%s", v.String())
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}
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return otto.Value{}
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}
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func log_error(call otto.FunctionCall) otto.Value {
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for _, v := range call.ArgumentList {
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log.Error("%s", v.String())
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}
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return otto.Value{}
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}
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func log_fatal(call otto.FunctionCall) otto.Value {
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for _, v := range call.ArgumentList {
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log.Fatal("%s", v.String())
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}
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return otto.Value{}
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}
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