Release 0.1.0

.gitignore

@@ -0,0 +1,18 @@
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+*.txt
+*.json

cmd/gdown/cli.go

@@ -0,0 +1,65 @@
+package main
+
+import (
+	"fmt"
+	"github.com/Juvenal-Yescas/gdown"
+	"github.com/Juvenal-Yescas/gdown/internal/helpers/auth"
+	"github.com/Juvenal-Yescas/gdown/internal/process"
+	"github.com/Juvenal-Yescas/gdown/internal/utils"
+	"os"
+)
+
+func cliDownload(url string) {
+	output, err := gdown.Download(url)
+	if err != nil {
+		if utils.CaseInsensitiveContains(err.Error(), "exceeded") {
+			fmt.Println("The file has exceeded the download limit, try download with your account")
+			output, err := downloadWithAccount(url)
+			if err != nil {
+				fmt.Println("Error : ", err)
+				os.Exit(1)
+			}
+			fmt.Println("File downloaded : ", output)
+			os.Exit(0)
+		}
+		fmt.Println("Error : ", err)
+		os.Exit(1)
+
+	}
+	fmt.Println("File downloaded: ", output)
+	os.Exit(0)
+}
+
+func downloadWithAccount(url string) (string, error) {
+	idFileUrl, err := process.GetIdFromUrl(url)
+	if err != nil {
+		return "", err
+	}
+
+	clientHttp := utils.CreateClientHttp()
+	outputName, err := process.GetNameOutput(clientHttp, idFileUrl)
+	if err != nil {
+		return "", err
+	}
+
+	clientGDrive, err := auth.CreateClientApiDrive()
+	if err != nil {
+		return "", err
+	}
+	infoFolderDrive, infoFileDrive, err := process.CreateCopyInDrive(clientGDrive, idFileUrl, outputName)
+	if err != nil {
+		return "", err
+	}
+	fmt.Println("Downloading ... ", outputName)
+	output, err := gdown.DownloadOutput("https://drive.google.com/uc?id="+infoFileDrive.Id, outputName)
+	if err != nil {
+		return "", err
+	}
+
+	err = process.CleanCopyInDrive(clientGDrive, infoFolderDrive.Id)
+	if err != nil {
+		return "", err
+	}
+
+	return output, nil
+}

cmd/gdown/main.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+	"fmt"
+	log "github.com/sirupsen/logrus"
+	"github.com/urfave/cli/v2"
+	"io/ioutil"
+	"os"
+)
+
+func init() {
+	log.SetOutput(ioutil.Discard)
+	// log.SetLevel(log.DebugLevel)
+}
+
+const Version = "0.1.0"
+
+func main() {
+
+	cli.VersionFlag = &cli.BoolFlag{
+		Name: "print-version", Aliases: []string{"V"},
+		Usage: "print only the version",
+	}
+
+	app := &cli.App{
+		Name:    "gdown",
+		Version: Version,
+		Usage:   "Download files directly from googledrive",
+
+		Flags: []cli.Flag{
+			&cli.StringFlag{
+				Name:    "url",
+				Aliases: []string{"u"},
+				Usage:   "`\"FILEURL\"` to download from google drive ",
+			},
+		},
+		Action: func(c *cli.Context) error {
+			if c.String("url") != "" {
+				cliDownload(c.String("url"))
+			}
+			if c.NArg() > 0 {
+				link := c.Args().Get(0)
+				cliDownload(link)
+			}
+			return nil
+		},
+	}
+
+	err := app.Run(os.Args)
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Println("gdown --help")
+}

go.mod

@@ -0,0 +1,11 @@
+module github.com/Juvenal-Yescas/gdown
+
+go 1.13
+
+require (
+	github.com/sirupsen/logrus v1.4.2
+	github.com/urfave/cli/v2 v2.1.1
+	golang.org/x/net v0.0.0-20200226121028-0de0cce0169b
+	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
+	google.golang.org/api v0.19.0
+)

go.sum

@@ -0,0 +1,108 @@
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internal/helpers/auth/client.go

@@ -0,0 +1,52 @@
+// refs https://developers.google.com/drive/v3/web/quickstart/go
+package auth
+
+import (
+	"github.com/Juvenal-Yescas/gdown/internal/utils"
+	"golang.org/x/net/context"
+	"golang.org/x/oauth2"
+	"golang.org/x/oauth2/google"
+	"google.golang.org/api/drive/v3"
+	"io/ioutil"
+	"log"
+	"net/http"
+)
+
+func CreateClientApiDrive() (*drive.Service, error) {
+	b, err := ioutil.ReadFile("credentials.json")
+	if err != nil {
+		log.Fatalf("Unable to read client secret file: %v", err)
+		return nil, err
+	}
+
+	// If modifying these scopes, delete your previously saved token.json.
+	config, err := google.ConfigFromJSON(b, drive.DriveScope)
+	if err != nil {
+		log.Fatalf("Unable to parse client secret file to config: %v", err)
+		return nil, err
+	}
+
+	client := getClient(config)
+
+	srv, err := drive.New(client)
+	if err != nil {
+		log.Fatalf("Unable to retrieve Drive client: %v", err)
+		return nil, err
+	}
+	return srv, nil
+}
+
+// Retrieve a token, saves the token, then returns the generated client.
+func getClient(config *oauth2.Config) *http.Client {
+	// The file token.json stores the user's access and refresh tokens, and is
+	// created automatically when the authorization flow completes for the first
+	// time.
+
+	tokFile := utils.GetDefaultConfigDir() // tokFile := "token.json"
+	tok, err := tokenFromFile(tokFile)
+	if err != nil {
+		tok = getTokenFromWeb(config)
+		saveToken(tokFile, tok)
+	}
+	return config.Client(context.Background(), tok)
+}

internal/helpers/auth/token.go

@@ -0,0 +1,52 @@
+// refs https://developers.google.com/drive/v3/web/quickstart/go
+package auth
+
+import (
+	"encoding/json"
+	"fmt"
+	log "github.com/sirupsen/logrus"
+	"golang.org/x/net/context"
+	"golang.org/x/oauth2"
+	"os"
+)
+
+// Request a token from the web, then returns the retrieved token.
+func getTokenFromWeb(config *oauth2.Config) *oauth2.Token {
+	authURL := config.AuthCodeURL("state-token", oauth2.AccessTypeOffline)
+	log.Debug("Go to the following link in your browser then type the "+
+		"authorization code: \n", authURL)
+
+	var authCode string
+	if _, err := fmt.Scan(&authCode); err != nil {
+		log.Error("Unable to read authorization code %v", err)
+	}
+
+	tok, err := config.Exchange(context.TODO(), authCode)
+	if err != nil {
+		log.Error("Unable to retrieve token from web %v", err)
+	}
+	return tok
+}
+
+// Retrieves a token from a local file.
+func tokenFromFile(file string) (*oauth2.Token, error) {
+	f, err := os.Open(file)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+	tok := &oauth2.Token{}
+	err = json.NewDecoder(f).Decode(tok)
+	return tok, err
+}
+
+// Saves a token to a file path.
+func saveToken(path string, token *oauth2.Token) {
+	log.Debug("Saving credential file to: ", path)
+	f, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
+	if err != nil {
+		log.Fatalf("Unable to cache oauth token: %v", err)
+	}
+	defer f.Close()
+	json.NewEncoder(f).Encode(token)
+}