120 lines
2.1 KiB
Go
120 lines
2.1 KiB
Go
package gokwallet
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import (
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"github.com/godbus/dbus/v5"
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)
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/*
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NewBlob returns a Blob. It requires a RecurseOpts
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(you can use DefaultRecurseOpts, call NewRecurseOpts, or provide your own RecurseOpts struct).
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It also requires a Folder.
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*/
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func NewBlob(f *Folder, keyName string, recursion *RecurseOpts) (blob *Blob, err error) {
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if !f.isInit {
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err = ErrInitFolder
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return
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}
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blob = &Blob{
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DbusObject: f.DbusObject,
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Name: keyName,
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// Value: "",
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Recurse: recursion,
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wm: f.wallet.wm,
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wallet: f.wallet,
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folder: f,
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isInit: false,
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}
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blob.isInit = true
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if blob.Recurse.AllWalletItems || blob.Recurse.Blobs {
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if err = blob.Update(); err != nil {
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return
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}
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}
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blob.isInit = true
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return
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}
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// Delete will delete this Blob from its parent Folder. You may want to run Folder.UpdateBlobs to update the existing map of Blob items.
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func (b *Blob) Delete() (err error) {
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if err = b.folder.RemoveEntry(b.Name); err != nil {
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return
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}
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b = nil
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return
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}
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// Exists returns true if this Blob actually exists.
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func (b *Blob) Exists() (exists bool, err error) {
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if exists, err = b.folder.HasEntry(b.Name); err != nil {
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return
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}
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return
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}
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// Rename renames this Blob (changes its key).
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func (b *Blob) Rename(newName string) (err error) {
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if err = b.folder.RenameEntry(b.Name, newName); err != nil {
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return
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}
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b.Name = newName
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return
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}
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// SetValue will replace this Blob's Blob.Value.
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func (b *Blob) SetValue(newValue []byte) (err error) {
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if _, err = b.folder.WriteBlob(b.Name, newValue); err != nil {
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return
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}
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b.Value = newValue
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return
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}
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// Update fetches a Blob's Blob.Value.
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func (b *Blob) Update() (err error) {
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var call *dbus.Call
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var v dbus.Variant
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if err = b.folder.wallet.walletCheck(); err != nil {
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return
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}
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if call = b.Dbus.Call(
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DbusWMReadEntry, 0, b.folder.wallet.handle, b.folder.Name, b.Name, b.folder.wallet.wm.AppID,
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); call.Err != nil {
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err = call.Err
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return
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}
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if err = call.Store(&v); err != nil {
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return
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}
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b.Value = v.Value().([]byte)
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return
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}
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// isWalletItem is needed for interface membership.
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func (b *Blob) isWalletItem() (isWalletItem bool) {
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isWalletItem = true
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return
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}
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