send proto to url and basicauth support

Signed-off-by: Michael <michael.lindman@gmail.com>

go.mod

@@ -3,6 +3,7 @@ module git.0cd.xyz/michael/gtools
 go 1.15
 
 require (
+	git.0cd.xyz/michael/request v0.0.6
 	github.com/OneOfOne/xxhash v1.2.8
 	github.com/gorilla/csrf v1.7.0
 	github.com/gorilla/mux v1.8.0

nettools/net.go

@@ -1,6 +1,7 @@
 package nettools
 
 import (
+	"encoding/base64"
 	"encoding/hex"
 	"log"
 	"math/big"
@@ -8,6 +9,12 @@ import (
 	"net/http"
 )
 
+func BasicAuth(username, password string) map[string]string {
+	return map[string]string{
+		"Authorization": "Basic " + base64.StdEncoding.EncodeToString([]byte(username+":"+password)),
+	}
+}
+
 // IP returns IP address from requester
 func IP(r *http.Request) (net.IP, error) {
 	realip := r.Header.Get("x-forwarded-for")

pb/proto.go

@@ -1,9 +1,13 @@
 package pb
 
 import (
+	"bytes"
 	"io/fs"
 	"io/ioutil"
+	"mime/multipart"
+	"strconv"
 
+	"git.0cd.xyz/michael/request"
 	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/reflect/protoreflect"
 )
@@ -31,3 +35,37 @@ func WriteFile(path string, message protoreflect.ProtoMessage, perm fs.FileMode)
 	}
 	return nil
 }
+
+// SendFile protocol buffer as multipart file to http address
+func SendFile(filename, url string, headers map[string]string, message protoreflect.ProtoMessage) (req *request.Response, err error) {
+	body, err := proto.Marshal(message)
+	if err != nil {
+		return nil, err
+	}
+
+	buf := &bytes.Buffer{}
+	writer := multipart.NewWriter(buf)
+	part, err := writer.CreateFormFile("file", filename)
+	if err != nil {
+		return nil, err
+	}
+
+	part.Write(body)
+	for key, val := range map[string]string{
+		"type":        "upload",
+		"synchronous": "true",
+	} {
+		writer.WriteField(key, val)
+	}
+	writer.Close()
+
+	headers["Content-Length"] = strconv.Itoa(buf.Len())
+	headers["Content-Type"] = writer.FormDataContentType()
+
+	req, err = request.Post(url,
+		headers, buf)
+	if err != nil {
+		return nil, err
+	}
+	return req, nil
+}