feat: Lightning channel backup, Web5 mobile tab active, file path fix
Task 14: Lightning Channel Backup - New lnd.export-channel-backup RPC — exports SCB (Static Channel Backup) - Settings UI: "Lightning Channel Backup" section with export + copy - Returns base64 backup data, channel count, timestamp Web5 mobile tab active state - Fixed combined tab matching for Web5: includes /web5, /federation, /mesh routes - Previously only matched /cloud and /server (wrong branch) Content file path fix - Allow forward slashes in filenames for subdirectories (Music/song.mp3) - Still block .., \, null bytes, hidden files, absolute paths Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Dorian
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1f732d8d08
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c5417640a2
@ -938,6 +938,53 @@ impl RpcHandler {
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"grpc_port": 10009,
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}))
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}
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/// lnd.export-channel-backup — Export all channel static backups (SCB).
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/// Returns base64-encoded multi-channel backup that can restore channels on a new node.
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pub(super) async fn handle_lnd_export_channel_backup(&self) -> Result<serde_json::Value> {
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let macaroon_path = "/var/lib/archipelago/lnd/data/chain/bitcoin/mainnet/admin.macaroon";
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let macaroon_bytes = tokio::fs::read(macaroon_path)
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.await
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.context("Failed to read LND admin macaroon")?;
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let macaroon_hex = hex::encode(&macaroon_bytes);
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let cert_path = "/var/lib/archipelago/lnd/tls.cert";
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let client = reqwest::Client::builder()
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.danger_accept_invalid_certs(true)
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.timeout(std::time::Duration::from_secs(10))
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.build()
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.context("Failed to build HTTP client")?;
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let resp = client
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.get("https://127.0.0.1:8080/v1/channels/backup")
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.header("Grpc-Metadata-macaroon", &macaroon_hex)
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.send()
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.await
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.context("Failed to reach LND REST API")?;
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if !resp.status().is_success() {
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anyhow::bail!("LND returned {}", resp.status());
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}
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let data: serde_json::Value = resp.json().await.context("Invalid JSON from LND")?;
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// Extract the multi_chan_backup bytes
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let backup_b64 = data
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.get("multi_chan_backup")
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.and_then(|m| m.get("multi_chan_backup"))
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.and_then(|b| b.as_str())
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.unwrap_or("");
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Ok(serde_json::json!({
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"backup": backup_b64,
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"channel_count": data.get("multi_chan_backup")
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.and_then(|m| m.get("chan_points"))
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.and_then(|c| c.as_array())
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.map(|a| a.len())
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.unwrap_or(0),
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"timestamp": chrono::Utc::now().to_rfc3339(),
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}))
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}
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}
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// Channel types
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@ -514,6 +514,7 @@ impl RpcHandler {
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"lnd.create-raw-tx" => self.handle_lnd_create_raw_tx(params).await,
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"lnd.gettransactions" => self.handle_lnd_gettransactions().await,
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"lnd.connect-info" => self.handle_lnd_connect_info().await,
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"lnd.export-channel-backup" => self.handle_lnd_export_channel_backup().await,
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// Multi-identity management
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"identity.list" => self.handle_identity_list(params).await,
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@ -304,7 +304,9 @@
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'nav-tab-active': item.isCombined
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? (item.path === '/dashboard/apps'
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? (route.path.includes('/apps') || route.path.includes('/marketplace') || route.path.includes('/discover') || route.path.includes('/app-session'))
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: (route.path.includes('/cloud') || route.path.includes('/server')))
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: item.path === '/dashboard/web5'
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? (route.path.includes('/web5') || route.path.includes('/federation') || route.path.includes('/mesh'))
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: (route.path.includes('/cloud') || route.path.includes('/server')))
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: undefined
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}"
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:exact-active-class="item.isCombined ? undefined : 'nav-tab-active'"
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@ -955,6 +955,26 @@
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</div>
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</Teleport>
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<!-- Lightning Channel Backup -->
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<div class="glass-card px-6 py-6 mb-6">
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<h2 class="text-xl font-semibold text-white/96 mb-1">Lightning Channel Backup</h2>
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<p class="text-sm text-white/60 mb-3">Export your channel state so you can restore channels on a new node. Does not include on-chain wallet seed.</p>
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<div class="flex gap-3">
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<button @click="exportChannelBackup" :disabled="exportingChannelBackup" class="glass-button px-4 py-2 rounded-lg text-sm flex items-center gap-2">
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<svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4" />
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</svg>
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{{ exportingChannelBackup ? 'Exporting...' : 'Export Channel Backup' }}
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</button>
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</div>
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<div v-if="channelBackupData" class="mt-3 bg-black/30 rounded-lg p-3">
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<p class="text-xs text-white/40 mb-1">{{ channelBackupChannels }} channel{{ channelBackupChannels !== 1 ? 's' : '' }} backed up at {{ channelBackupTime }}</p>
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<textarea readonly :value="channelBackupData" rows="3" class="w-full bg-black/20 text-xs font-mono text-white/60 rounded p-2 resize-none border border-white/10"></textarea>
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<button @click="copyChannelBackup" class="mt-2 glass-button px-3 py-1.5 rounded text-xs">{{ channelBackupCopied ? 'Copied!' : 'Copy Backup Data' }}</button>
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</div>
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<p v-if="channelBackupError" class="mt-2 text-xs text-red-400">{{ channelBackupError }}</p>
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</div>
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<!-- Network Diagnostics Link -->
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<div class="glass-card px-6 py-6 mb-6">
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<div class="flex items-center justify-between">
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@ -1439,6 +1459,40 @@ interface BackupEntry {
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}
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const backupList = ref<BackupEntry[]>([])
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const loadingBackups = ref(false)
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// Lightning channel backup
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const exportingChannelBackup = ref(false)
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const channelBackupData = ref('')
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const channelBackupChannels = ref(0)
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const channelBackupTime = ref('')
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const channelBackupError = ref('')
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const channelBackupCopied = ref(false)
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async function exportChannelBackup() {
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exportingChannelBackup.value = true
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channelBackupError.value = ''
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try {
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const res = await rpcClient.call<{ backup: string; channel_count: number; timestamp: string }>({
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method: 'lnd.export-channel-backup',
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timeout: 15000,
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})
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channelBackupData.value = res.backup
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channelBackupChannels.value = res.channel_count
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channelBackupTime.value = new Date(res.timestamp).toLocaleString()
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} catch (err: unknown) {
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channelBackupError.value = err instanceof Error ? err.message : 'Failed to export'
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} finally {
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exportingChannelBackup.value = false
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}
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}
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function copyChannelBackup() {
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if (channelBackupData.value) {
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navigator.clipboard.writeText(channelBackupData.value).catch(() => {})
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channelBackupCopied.value = true
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setTimeout(() => { channelBackupCopied.value = false }, 2000)
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}
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}
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const showCreateBackupModal = ref(false)
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const backupPassphrase = ref('')
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const backupDescription = ref('')
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