putio: add new backend

backend/putio/putio.go

@@ -0,0 +1,72 @@
+package putio
+
+import (
+	"log"
+	"regexp"
+	"time"
+
+	"github.com/rclone/rclone/fs"
+	"github.com/rclone/rclone/fs/config/configmap"
+	"github.com/rclone/rclone/fs/config/obscure"
+	"github.com/rclone/rclone/lib/dircache"
+	"github.com/rclone/rclone/lib/oauthutil"
+	"golang.org/x/oauth2"
+)
+
+// Constants
+const (
+	rcloneClientID             = "4131"
+	rcloneObscuredClientSecret = "cMwrjWVmrHZp3gf1ZpCrlyGAmPpB-YY5BbVnO1fj-G9evcd8"
+	minSleep                   = 10 * time.Millisecond
+	maxSleep                   = 2 * time.Second
+	decayConstant              = 2 // bigger for slower decay, exponential
+	defaultChunkSize           = 48 * fs.MebiByte
+)
+
+var (
+	// Description of how to auth for this app
+	putioConfig = &oauth2.Config{
+		Scopes: []string{},
+		Endpoint: oauth2.Endpoint{
+			AuthURL:  "https://api.put.io/v2/oauth2/authenticate",
+			TokenURL: "https://api.put.io/v2/oauth2/access_token",
+		},
+		ClientID:     rcloneClientID,
+		ClientSecret: obscure.MustReveal(rcloneObscuredClientSecret),
+		RedirectURL:  oauthutil.RedirectLocalhostURL,
+	}
+	// A regexp matching path names for ignoring unnecessary files
+	ignoredFiles = regexp.MustCompile(`(?i)(^|/)(desktop\.ini|thumbs\.db|\.ds_store|icon\r)$`)
+)
+
+// Register with Fs
+func init() {
+	fs.Register(&fs.RegInfo{
+		Name:        "putio",
+		Description: "Put.io",
+		NewFs:       NewFs,
+		Config: func(name string, m configmap.Mapper) {
+			err := oauthutil.ConfigNoOffline("putio", name, m, putioConfig)
+			if err != nil {
+				log.Fatalf("Failed to configure token: %v", err)
+			}
+		},
+	})
+}
+
+// Check the interfaces are satisfied
+var (
+	_ fs.Fs              = (*Fs)(nil)
+	_ fs.Purger          = (*Fs)(nil)
+	_ fs.PutUncheckeder  = (*Fs)(nil)
+	_ fs.Abouter         = (*Fs)(nil)
+	_ fs.Mover           = (*Fs)(nil)
+	_ fs.DirMover        = (*Fs)(nil)
+	_ dircache.DirCacher = (*Fs)(nil)
+	_ fs.DirCacheFlusher = (*Fs)(nil)
+	_ fs.CleanUpper      = (*Fs)(nil)
+	_ fs.Copier          = (*Fs)(nil)
+	_ fs.Object          = (*Object)(nil)
+	_ fs.MimeTyper       = (*Object)(nil)
+	_ fs.IDer            = (*Object)(nil)
+)