Add basic client

cmd/client/client.go

@@ -1,7 +1,106 @@
 package main
 
-import "fmt"
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"mime/multipart"
+	"net/http"
+	"os"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/urfave/cli/v2"
+)
+
+var (
+	version = "dev"
+	commit  = "none"
+	date    = "unknown"
+)
 
 func main() {
-	fmt.Println("Starting gpaste client")
+	cli.VersionFlag = &cli.BoolFlag{Name: "version"}
+
+	app := cli.App{
+		Name:    "gpaste",
+		Version: fmt.Sprintf("gpaste %s-%s (%s)", version, commit, date),
+		Flags: []cli.Flag{
+			&cli.StringFlag{
+				Name:  "config",
+				Usage: "Path to config-file.",
+			},
+		},
+		Commands: []*cli.Command{
+			{
+				Name:      "upload",
+				Usage:     "Upload file(s)",
+				ArgsUsage: "FILE [FILE]...",
+				Flags: []cli.Flag{
+					&cli.StringFlag{
+						Name:  "url",
+						Usage: "Base url of gpaste server",
+					},
+				},
+				Action: ActionUpload,
+			},
+		},
+	}
+
+	app.Run(os.Args)
+}
+
+func ActionUpload(c *cli.Context) error {
+	url := fmt.Sprintf("%s/api/file", c.String("url"))
+	client := &http.Client{}
+	// TODO: Change timeout
+	ctx, cancel := context.WithTimeout(c.Context, 10*time.Minute)
+	defer cancel()
+
+	buf := &bytes.Buffer{}
+	mw := multipart.NewWriter(buf)
+
+	for _, arg := range c.Args().Slice() {
+		f, err := os.Open(arg)
+		if err != nil {
+			return err
+		}
+		defer f.Close()
+		fw, err := mw.CreateFormFile(uuid.Must(uuid.NewRandom()).String(), arg)
+		if err != nil {
+			return err
+		}
+		if _, err := io.Copy(fw, f); err != nil {
+			return err
+		}
+	}
+	mw.Close()
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, buf)
+	req.Header.Add("Content-Type", mw.FormDataContentType())
+	if err != nil {
+		return err
+	}
+	resp, err := client.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	var expectedResp []struct {
+		Message string `json:"message"`
+		ID      string `json:"id"`
+		URL     string `json:"url"`
+	}
+
+	decoder := json.NewDecoder(resp.Body)
+	if err := decoder.Decode(&expectedResp); err != nil {
+		return fmt.Errorf("error decoding response: %w", err)
+	}
+
+	for _, r := range expectedResp {
+		fmt.Printf("Uploaded file %s\n", r.ID)
+	}
+	return nil
 }

http.go

@@ -104,7 +104,7 @@ func (s *HTTPServer) processMultiPartFormUpload(w http.ResponseWriter, r *http.R
 	var responses []resp
 
 	if err := r.ParseMultipartForm(1024 * 1024 * 10); err != nil {
-		s.Logger.Warnw("Error parsin multipart form.", "err", err)
+		s.Logger.Warnw("Error parsing multipart form.", "err", err)
 	}
 	for k := range r.MultipartForm.File {
 		ff, fh, err := r.FormFile(k)