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Check if we can decrypt backup on download (#23756)
Co-authored-by: Kevin Cathcart <[email protected]> Co-authored-by: Wendelin <[email protected]> Co-authored-by: Wendelin <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| import type { LitElement } from "lit"; | ||
| import { | ||
| canDecryptBackupOnDownload, | ||
| getBackupDownloadUrl, | ||
| getPreferredAgentForDownload, | ||
| type BackupContent, | ||
| } from "../../../../data/backup"; | ||
| import type { HomeAssistant } from "../../../../types"; | ||
| import { | ||
| showAlertDialog, | ||
| showConfirmationDialog, | ||
| showPromptDialog, | ||
| } from "../../../lovelace/custom-card-helpers"; | ||
| import { getSignedPath } from "../../../../data/auth"; | ||
| import { fileDownload } from "../../../../util/file_download"; | ||
|
|
||
| const triggerDownload = async ( | ||
| hass: HomeAssistant, | ||
| backupId: string, | ||
| preferedAgent: string, | ||
| encryptionKey?: string | null | ||
| ) => { | ||
| const signedUrl = await getSignedPath( | ||
| hass, | ||
| getBackupDownloadUrl(backupId, preferedAgent, encryptionKey) | ||
| ); | ||
| fileDownload(signedUrl.path); | ||
| }; | ||
|
|
||
| const downloadEncryptedBackup = async ( | ||
| hass: HomeAssistant, | ||
| element: LitElement, | ||
| backup: BackupContent, | ||
| agentId?: string | ||
| ) => { | ||
| if ( | ||
| await showConfirmationDialog(element, { | ||
| title: "Encryption key incorrect", | ||
| text: hass.localize( | ||
| "ui.panel.config.backup.dialogs.download.incorrect_entered_encryption_key" | ||
| ), | ||
| confirmText: "Download encrypted", | ||
| }) | ||
| ) { | ||
| triggerDownload( | ||
| hass, | ||
| backup.backup_id, | ||
| agentId ?? getPreferredAgentForDownload(backup.agent_ids!) | ||
| ); | ||
| } | ||
| }; | ||
|
|
||
| const requestEncryptionKey = async ( | ||
| hass: HomeAssistant, | ||
| element: LitElement, | ||
| backup: BackupContent, | ||
| agentId?: string | ||
| ): Promise<void> => { | ||
| const encryptionKey = await showPromptDialog(element, { | ||
| title: hass.localize( | ||
| "ui.panel.config.backup.dialogs.show_encryption_key.title" | ||
| ), | ||
| text: hass.localize( | ||
| "ui.panel.config.backup.dialogs.download.incorrect_current_encryption_key" | ||
| ), | ||
| inputLabel: hass.localize( | ||
| "ui.panel.config.backup.dialogs.show_encryption_key.title" | ||
| ), | ||
| inputType: "password", | ||
| confirmText: hass.localize("ui.common.download"), | ||
| }); | ||
| if (encryptionKey === null) { | ||
| return; | ||
| } | ||
| downloadBackup(hass, element, backup, encryptionKey, agentId, true); | ||
| }; | ||
|
|
||
| export const downloadBackup = async ( | ||
| hass: HomeAssistant, | ||
| element: LitElement, | ||
| backup: BackupContent, | ||
| encryptionKey?: string | null, | ||
| agentId?: string, | ||
| userProvided = false | ||
| ): Promise<void> => { | ||
| const preferedAgent = | ||
| agentId ?? getPreferredAgentForDownload(backup.agent_ids!); | ||
|
|
||
| if (backup.protected) { | ||
| if (encryptionKey) { | ||
| try { | ||
| await canDecryptBackupOnDownload( | ||
| hass, | ||
| backup.backup_id, | ||
| preferedAgent, | ||
| encryptionKey | ||
| ); | ||
| } catch (err: any) { | ||
| if (err?.code === "password_incorrect") { | ||
| if (userProvided) { | ||
| downloadEncryptedBackup(hass, element, backup, agentId); | ||
| } else { | ||
| requestEncryptionKey(hass, element, backup, agentId); | ||
| } | ||
| return; | ||
| } | ||
| if (err?.code === "decrypt_not_supported") { | ||
| showAlertDialog(element, { | ||
| title: hass.localize( | ||
| "ui.panel.config.backup.dialogs.download.decryption_unsupported_title" | ||
| ), | ||
| text: hass.localize( | ||
| "ui.panel.config.backup.dialogs.download.decryption_unsupported" | ||
| ), | ||
| confirm() { | ||
| triggerDownload(hass, backup.backup_id, preferedAgent); | ||
| }, | ||
| }); | ||
| encryptionKey = undefined; | ||
| return; | ||
| } | ||
|
|
||
| showAlertDialog(element, { | ||
| title: hass.localize( | ||
| "ui.panel.config.backup.dialogs.download.error_check_title", | ||
| { | ||
| error: err.message, | ||
| } | ||
| ), | ||
| text: hass.localize( | ||
| "ui.panel.config.backup.dialogs.download.error_check_description", | ||
| { | ||
| error: err.message, | ||
| } | ||
| ), | ||
| }); | ||
| return; | ||
| } | ||
| } else { | ||
| requestEncryptionKey(hass, element, backup, agentId); | ||
| return; | ||
| } | ||
| } | ||
|
|
||
| await triggerDownload(hass, backup.backup_id, preferedAgent, encryptionKey); | ||
| }; |
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