/
http.go
217 lines (180 loc) · 4.81 KB
/
http.go
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package plugins
import (
"bytes"
"fmt"
"io"
"io/ioutil"
"mime/multipart"
"net/http"
"net/url"
"os"
"path/filepath"
"github.com/evilsocket/islazy/log"
)
// HTTPPackage contains all the methods to perform http requests
type HTTPPackage struct{}
// GetHTTP returns the HTTPPackage
func GetHTTP() *HTTPPackage {
return &HTTPPackage{}
}
// HTTPResponse contains the return values
type HTTPResponse struct {
Error error
Response *http.Response
Raw []byte
Body string
Status bool
}
func (c *HTTPPackage) createRequest(method string, uri string, headers interface{}, data interface{}) (*http.Request, error) {
var reader io.Reader
if data != nil {
switch t := data.(type) {
case string:
reader = bytes.NewBufferString(t)
case map[string]string:
dt := url.Values{}
for k, v := range t {
dt.Set(k, v)
}
reader = bytes.NewBufferString(dt.Encode())
case *bytes.Buffer:
reader = t
default:
return nil, fmt.Errorf("wrong data type")
}
}
req, err := http.NewRequest(method, uri, reader)
if err != nil {
return nil, err
}
if headers != nil {
if h, ok := headers.(map[string]interface{}); ok {
for name, value := range h {
if v, ok := value.(string); ok {
req.Header.Add(name, v)
}
}
}
}
return req, nil
}
// Request performs a HTTP request
func (c *HTTPPackage) Request(method string, uri string, headers interface{}, data interface{}) HTTPResponse {
client := &http.Client{}
req, err := c.createRequest(method, uri, headers, data)
if err != nil {
log.Error("http.createRequest : %s", err)
return HTTPResponse{Error: err, Status: false}
}
resp, err := client.Do(req)
if err != nil {
return HTTPResponse{Error: err, Status: false}
}
defer resp.Body.Close()
raw, err := ioutil.ReadAll(resp.Body)
if err != nil {
return HTTPResponse{Error: err, Status: false}
}
return HTTPResponse{
Error: nil,
Response: resp,
Raw: raw,
Body: string(raw),
Status: true,
}
}
// Get performs a GET request
func (c *HTTPPackage) Get(url string, headers map[string]string) HTTPResponse {
return c.Request("GET", url, headers, nil)
}
// Post performs a POST request
func (c *HTTPPackage) Post(url string, headers map[string]string, data interface{}) HTTPResponse {
return c.Request("POST", url, headers, data)
}
// DownloadFile gets a file from an URL and store in on disk
func (c *HTTPPackage) DownloadFile(filepath string, method string, uri string, headers interface{}, data interface{}) HTTPResponse {
client := &http.Client{}
req, err := c.createRequest(method, uri, headers, data)
if err != nil {
log.Error("http.createRequest : %s", err)
return HTTPResponse{Error: err, Status: false}
}
resp, err := client.Do(req)
if err != nil {
return HTTPResponse{Error: err, Status: false}
}
defer resp.Body.Close()
out, err := os.Create(filepath)
if err != nil {
log.Error("http.DownloadFile: %s", err)
return HTTPResponse{Error: err, Status: false}
}
defer out.Close()
_, err = io.Copy(out, resp.Body)
if err != nil {
log.Error("%s", err)
return HTTPResponse{Error: err, Status: false}
}
return HTTPResponse{
Error: nil,
Response: resp,
Status: true,
}
}
// UploadFile sends a file to an URL
func (c *HTTPPackage) UploadFile(filename string, fieldname string, method string, uri string, headers interface{}, data interface{}) HTTPResponse {
client := &http.Client{}
file, err := os.Open(filename)
if err != nil {
log.Error("%s", err)
return HTTPResponse{Error: err, Status: false}
}
defer file.Close()
bodyfile := bytes.Buffer{}
writer := multipart.NewWriter(&bodyfile)
part, err := writer.CreateFormFile(fieldname, filepath.Base(filename))
if err != nil {
log.Error("%s", err)
return HTTPResponse{Error: err, Status: false}
}
_, err = io.Copy(part, file)
if err != nil {
log.Error("http.createRequest : io.Copy : %s", err)
return HTTPResponse{Error: err, Status: false}
}
if v, ok := data.(map[string]interface{}); ok {
for key, val := range v {
if v, ok := val.(string); ok {
_ = writer.WriteField(key, v)
}
}
}
err = writer.Close()
if err != nil {
log.Error("http.UploadFile : writer.Close : %s", err)
return HTTPResponse{Error: err, Status: false}
}
req, err := c.createRequest(method, uri, headers, &bodyfile)
if err != nil {
log.Error("http.createRequest : %s", err)
return HTTPResponse{Error: err, Status: false}
}
req.Header.Set("Content-Type", writer.FormDataContentType())
resp, err := client.Do(req)
if err != nil {
log.Error("http.Upload client do : %s", err)
return HTTPResponse{Error: err, Status: false}
}
defer resp.Body.Close()
raw, err := ioutil.ReadAll(resp.Body)
if err != nil {
return HTTPResponse{Error: err, Status: false}
}
return HTTPResponse{
Error: nil,
Response: resp,
Raw: raw,
Body: string(raw),
Status: true,
}
}