optional function add

curl.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"context"
 	"crypto/rand"
+	"crypto/tls"
 	"errors"
 	"fmt"
 	"io"
@@ -28,42 +29,184 @@ type RequestFile struct {
 	UploadForm map[string]string
 	UploadName string
 }
+
 type Request struct {
-	TimeOut           int
-	DialTimeOut       int
 	Url               string
 	Method            string
 	RecvData          []byte
 	RecvContentLength int64
-	WriteRecvData     bool
 	RecvIo            io.Writer
-	ReqHeader         http.Header
-	ReqCookies        []*http.Cookie
 	RespHeader        http.Header
 	RespCookies       []*http.Cookie
-	RequestFile
 	RespHttpCode      int
-	PostBuffer   *bytes.Buffer
 	CircleBuffer      *stario.StarBuffer
-	Proxy        string
-	Process      func(float64)
 	respReader        io.ReadCloser
+	RequestOpts
+}
+
+type RequestOpts struct {
+	RequestFile
+	PostBuffer      io.Reader
+	Process         func(float64)
+	Proxy           string
+	Timeout         time.Duration
+	DialTimeout     time.Duration
+	ReqHeader       http.Header
+	ReqCookies      []*http.Cookie
+	WriteRecvData   bool
+	SkipTLSVerify   bool
+	CustomTransport *http.Transport
+	Queries         map[string]string
+}
+
+type RequestOpt func(opt *RequestOpts)
+
+func WithDialTimeout(timeout time.Duration) RequestOpt {
+	return func(opt *RequestOpts) {
+		opt.DialTimeout = timeout
+	}
+}
+
+func WithTimeout(timeout time.Duration) RequestOpt {
+	return func(opt *RequestOpts) {
+		opt.Timeout = timeout
+	}
+}
+
+func WithHeader(key, val string) RequestOpt {
+	return func(opt *RequestOpts) {
+		opt.ReqHeader.Set(key, val)
+	}
 }
 
-func NewRequests(url string, postdata []byte, method string) Request {
+func WithHeaderMap(header map[string]string) RequestOpt {
+	return func(opt *RequestOpts) {
+		for key, val := range header {
+			opt.ReqHeader.Set(key, val)
+		}
+	}
+}
+
+func WithHeaderAdd(key, val string) RequestOpt {
+	return func(opt *RequestOpts) {
+		opt.ReqHeader.Add(key, val)
+	}
+}
+
+func WithReader(r io.Reader) RequestOpt {
+	return func(opt *RequestOpts) {
+		opt.PostBuffer = r
+	}
+}
+
+func WithFetchRespBody(fetch bool) RequestOpt {
+	return func(opt *RequestOpts) {
+		opt.WriteRecvData = fetch
+	}
+}
+
+func WithCookies(ck []*http.Cookie) RequestOpt {
+	return func(opt *RequestOpts) {
+		opt.ReqCookies = ck
+	}
+}
+
+func WithCookie(key, val, path string) RequestOpt {
+	return func(opt *RequestOpts) {
+		opt.ReqCookies = append(opt.ReqCookies, &http.Cookie{Name: key, Value: val, Path: path})
+	}
+}
+
+func WithCookieMap(header map[string]string, path string) RequestOpt {
+	return func(opt *RequestOpts) {
+		for key, val := range header {
+			opt.ReqCookies = append(opt.ReqCookies, &http.Cookie{Name: key, Value: val, Path: path})
+		}
+	}
+}
+
+func WithQueries(queries map[string]string) RequestOpt {
+	return func(opt *RequestOpts) {
+		opt.Queries = queries
+	}
+}
+
+func WithProxy(proxy string) RequestOpt {
+	return func(opt *RequestOpts) {
+		opt.Proxy = proxy
+	}
+}
+
+func WithProcess(fn func(float64)) RequestOpt {
+	return func(opt *RequestOpts) {
+		opt.Process = fn
+	}
+}
+
+func WithContentType(ct string) RequestOpt {
+	return func(opt *RequestOpts) {
+		opt.ReqHeader.Set("Content-Type", ct)
+	}
+}
+
+func WithUserAgent(ua string) RequestOpt {
+	return func(opt *RequestOpts) {
+		opt.ReqHeader.Set("User-Agent", ua)
+	}
+}
+
+func WithCustomTransport(hs *http.Transport) RequestOpt {
+	return func(opt *RequestOpts) {
+		opt.CustomTransport = hs
+	}
+}
+
+func WithSkipTLSVerify(skip bool) RequestOpt {
+	return func(opt *RequestOpts) {
+		opt.SkipTLSVerify = skip
+	}
+}
+
+func NewRequests(url string, rawdata []byte, method string, opts ...RequestOpt) Request {
 	req := Request{
-		TimeOut:       30,
-		DialTimeOut:   15,
+		RequestOpts: RequestOpts{
+			Timeout:       30 * time.Second,
+			DialTimeout:   15 * time.Second,
+			WriteRecvData: true,
+		},
 		Url:    url,
-		PostBuffer:    bytes.NewBuffer(postdata),
 		Method: method,
-		WriteRecvData: true,
+	}
+	if rawdata != nil {
+		req.PostBuffer = bytes.NewBuffer(rawdata)
 	}
 	req.ReqHeader = make(http.Header)
 	if strings.ToUpper(method) == "POST" {
 		req.ReqHeader.Set("Content-Type", HEADER_FORM_URLENCODE)
 	}
 	req.ReqHeader.Set("User-Agent", "B612 / 1.1.0")
+	for _, v := range opts {
+		v(&req.RequestOpts)
+	}
+	if req.CustomTransport == nil {
+		req.CustomTransport = &http.Transport{}
+	}
+	if req.SkipTLSVerify {
+		if req.CustomTransport.TLSClientConfig == nil {
+			req.CustomTransport.TLSClientConfig = &tls.Config{}
+		}
+		req.CustomTransport.TLSClientConfig.InsecureSkipVerify = true
+	}
+	req.CustomTransport.DialContext = func(ctx context.Context, netw, addr string) (net.Conn, error) {
+		c, err := net.DialTimeout(netw, addr, req.DialTimeout)
+		if err != nil {
+			return nil, err
+		}
+		if req.Timeout != 0 {
+			c.SetDeadline(time.Now().Add(req.Timeout))
+		}
+		return c, nil
+	}
 	return req
 }
 
@@ -78,6 +221,9 @@ func (curl *Request) ResetReqCookies() {
 func (curl *Request) AddSimpleCookie(key, value string) {
 	curl.ReqCookies = append(curl.ReqCookies, &http.Cookie{Name: key, Value: value, Path: "/"})
 }
+func (curl *Request) AddCookie(key, value, path string) {
+	curl.ReqCookies = append(curl.ReqCookies, &http.Cookie{Name: key, Value: value, Path: path})
+}
 
 func randomBoundary() string {
 	var buf [30]byte
@@ -146,9 +292,6 @@ func Curl(curl Request) (resps Request, err error) {
 	if err != nil {
 		return Request{}, err
 	}
-
-	curl.PostBuffer = nil
-	curl.CircleBuffer = nil
 	curl.RespHttpCode = resp.StatusCode
 	curl.RespHeader = resp.Header
 	curl.RespCookies = resp.Cookies()
@@ -211,13 +354,20 @@ func netcurl(curl Request) (*http.Response, error) {
 	if curl.Method == "" {
 		return nil, errors.New("Error Method Not Entered")
 	}
-	if curl.PostBuffer != nil && curl.PostBuffer.Len() > 0 {
+	if curl.PostBuffer != nil {
 		req, err = http.NewRequest(curl.Method, curl.Url, curl.PostBuffer)
 	} else if curl.CircleBuffer != nil && curl.CircleBuffer.Len() > 0 {
 		req, err = http.NewRequest(curl.Method, curl.Url, curl.CircleBuffer)
 	} else {
 		req, err = http.NewRequest(curl.Method, curl.Url, nil)
 	}
+	if curl.Queries != nil {
+		sid := req.URL.Query()
+		for k, v := range curl.Queries {
+			sid.Add(k, v)
+		}
+		req.URL.RawQuery = sid.Encode()
+	}
 	if err != nil {
 		return nil, err
 	}
@@ -227,27 +377,15 @@ func netcurl(curl Request) (*http.Response, error) {
 			req.AddCookie(v)
 		}
 	}
-	transport := &http.Transport{
-		DialContext: func(ctx context.Context, netw, addr string) (net.Conn, error) {
-			c, err := net.DialTimeout(netw, addr, time.Second*time.Duration(curl.DialTimeOut))
-			if err != nil {
-				return nil, err
-			}
-			if curl.TimeOut != 0 {
-				c.SetDeadline(time.Now().Add(time.Duration(curl.TimeOut) * time.Second))
-			}
-			return c, nil
-		},
-	}
 	if curl.Proxy != "" {
 		purl, err := url.Parse(curl.Proxy)
 		if err != nil {
 			return nil, err
 		}
-		transport.Proxy = http.ProxyURL(purl)
+		curl.CustomTransport.Proxy = http.ProxyURL(purl)
 	}
 	client := &http.Client{
-		Transport: transport,
+		Transport: curl.CustomTransport,
 	}
 	resp, err := client.Do(req)
 	return resp, err
@@ -266,10 +404,18 @@ func UrlDecode(str string) (string, error) {
 	return url.QueryUnescape(str)
 }
 
-func Build_Query(queryData map[string]string) string {
+func BuildQuery(queryData map[string]string) string {
 	query := url.Values{}
 	for k, v := range queryData {
 		query.Add(k, v)
 	}
 	return query.Encode()
 }
+
+func BuildPostForm(queryMap map[string]string) []byte {
+	query := url.Values{}
+	for k, v := range queryMap {
+		query.Add(k, v)
+	}
+	return []byte(query.Encode())
+}