diff --git a/dropbox.go b/dropbox.go
index a038de4..9563dc5 100644
--- a/dropbox.go
+++ b/dropbox.go
@@ -157,22 +157,30 @@ func (dbt DBTime) MarshalJSON() ([]byte, error) {
 	return json.Marshal(time.Time(dbt).Format(DateFormat))
 }
 
+// Represents the user who made a change on a particular file
+type Modifier struct {
+	Uid         int64  `json:"uid"`
+	DisplayName string `json:"display_name"`
+}
+
 // Entry represents the metadata of a file or folder.
 type Entry struct {
-	Bytes       int     `json:"bytes,omitempty"`        // Size of the file in bytes.
-	ClientMtime DBTime  `json:"client_mtime,omitempty"` // Modification time set by the client when added.
-	Contents    []Entry `json:"contents,omitempty"`     // List of children for a directory.
-	Hash        string  `json:"hash,omitempty"`         // Hash of this entry.
-	Icon        string  `json:"icon,omitempty"`         // Name of the icon displayed for this entry.
-	IsDeleted   bool    `json:"is_deleted,omitempty"`   // true if this entry was deleted.
-	IsDir       bool    `json:"is_dir,omitempty"`       // true if this entry is a directory.
-	MimeType    string  `json:"mime_type,omitempty"`    // MimeType of this entry.
-	Modified    DBTime  `json:"modified,omitempty"`     // Date of last modification.
-	Path        string  `json:"path,omitempty"`         // Absolute path of this entry.
-	Revision    string  `json:"rev,omitempty"`          // Unique ID for this file revision.
-	Root        string  `json:"root,omitempty"`         // dropbox or sandbox.
-	Size        string  `json:"size,omitempty"`         // Size of the file humanized/localized.
-	ThumbExists bool    `json:"thumb_exists,omitempty"` // true if a thumbnail is available for this entry.
+	Bytes       int       `json:"bytes,omitempty"`        // Size of the file in bytes.
+	ClientMtime DBTime    `json:"client_mtime,omitempty"` // Modification time set by the client when added.
+	Contents    []Entry   `json:"contents,omitempty"`     // List of children for a directory.
+	Hash        string    `json:"hash,omitempty"`         // Hash of this entry.
+	Icon        string    `json:"icon,omitempty"`         // Name of the icon displayed for this entry.
+	IsDeleted   bool      `json:"is_deleted,omitempty"`   // true if this entry was deleted.
+	IsDir       bool      `json:"is_dir,omitempty"`       // true if this entry is a directory.
+	MimeType    string    `json:"mime_type,omitempty"`    // MimeType of this entry.
+	Modified    DBTime    `json:"modified,omitempty"`     // Date of last modification.
+	Path        string    `json:"path,omitempty"`         // Absolute path of this entry.
+	Revision    string    `json:"rev,omitempty"`          // Unique ID for this file revision.
+	Root        string    `json:"root,omitempty"`         // dropbox or sandbox.
+	Size        string    `json:"size,omitempty"`         // Size of the file humanized/localized.
+	ThumbExists bool      `json:"thumb_exists,omitempty"` // true if a thumbnail is available for this entry.
+	Modifier    *Modifier `json:"modifier"`               // last user to edit the file if in a shared folder
+	ParentSharedFolderId string `json:"parent_shared_folder_id,omitempty"`
 }
 
 // Link for sharing a file.
@@ -181,6 +189,27 @@ type Link struct {
 	URL     string `json:"url"`     // URL to share.
 }
 
+type User struct {
+	Uid         int64  `json:"uid"`
+	DisplayName string `json:"display_name"`
+}
+
+type SharedFolderMember struct {
+	User       User   `json:"user"`
+	Active     bool   `json:"active"`
+	AccessType string `json:"access_type"`
+}
+
+type SharedFolder struct {
+	SharedFolderId   string               `json:"shared_folder_id"`
+	SharedFolderName string               `json:"shared_folder_name"`
+	Path             string               `json:"path"`
+	AccessType       string               `json:"access_type"`
+	SharedLinkPolicy string               `json:"shared_link_policy"`
+	Owner            User                 `json:"owner"`
+	Membership       []SharedFolderMember `json:"membership"`
+}
+
 // Dropbox client.
 type Dropbox struct {
 	RootDirectory string // dropbox or sandbox.
@@ -235,6 +264,10 @@ func (db *Dropbox) AccessToken() string {
 	return db.token.AccessToken
 }
 
+func (db *Dropbox) SetRedirectUrl(url string) {
+	db.config.RedirectURL = url
+}
+
 func (db *Dropbox) client() *http.Client {
 	return db.config.Client(db.ctx, db.token)
 }
@@ -242,15 +275,20 @@ func (db *Dropbox) client() *http.Client {
 // Auth displays the URL to authorize this application to connect to your account.
 func (db *Dropbox) Auth() error {
 	var code string
-	var t *oauth2.Token
-	var err error
 
 	fmt.Printf("Please visit:\n%s\nEnter the code: ",
 		db.config.AuthCodeURL(""))
 	fmt.Scanln(&code)
-	if t, err = db.config.Exchange(oauth2.NoContext, code); err != nil {
+	return db.AuthCode(code)
+}
+
+// Authorizes the given code
+func (db *Dropbox) AuthCode(code string) error {
+	t, err := db.config.Exchange(oauth2.NoContext, code)
+	if err != nil {
 		return err
 	}
+
 	db.token = t
 	db.token.TokenType = "Bearer"
 	return nil
@@ -881,3 +919,12 @@ func (db *Dropbox) LatestCursor(prefix string, mediaInfo bool) (*Cursor, error)
 	err := db.doRequest("POST", "delta/latest_cursor", params, &cur)
 	return &cur, err
 }
+
+func (db *Dropbox) SharedFolder(sharedFolderId string) (pSharedFolder *SharedFolder, err error) {
+	var sharedFolder SharedFolder
+	err = db.doRequest("GET", "/shared_folders/" + sharedFolderId, nil, &sharedFolder)
+	if err == nil {
+		pSharedFolder = &sharedFolder
+	}
+	return
+}