114 lines
2.8 KiB
TypeScript
114 lines
2.8 KiB
TypeScript
import {
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runSsh,
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shellQuote,
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resolveFolderRemoteDir,
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REMOTE_ROOT,
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isSafeFolder,
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} from "../utils/ssh.ts"
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const MAX_FILES_PER_FOLDER = Math.max(1, Number(process.env.BACKUPS_MAX_FILES) || 50)
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function isMissingPathError(error: unknown): boolean {
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const message = String(error || "").toLowerCase()
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return message.includes("no such file or directory") || message.includes("cannot access")
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}
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function toServerError(error: unknown) {
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console.error("Erreur backups:", error)
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return createError({
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statusCode: 500,
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statusMessage: "Erreur lors de l'opération"
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})
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}
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function parseLines(output: string): string[] {
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return output
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.split("\n")
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.map((line) => line.trim())
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.filter(Boolean)
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}
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function quoteDir(pathValue: string) {
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return shellQuote(pathValue)
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}
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async function listRemoteFiles(remoteDir: string): Promise<string[]> {
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const output = await runSsh(
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`cd ${quoteDir(remoteDir)} && ls -1A | sort -r | head -n ${MAX_FILES_PER_FOLDER}`
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)
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return parseLines(output)
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}
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async function listRemoteDirs(remoteRoot: string): Promise<string[]> {
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const output = await runSsh(
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`cd ${quoteDir(remoteRoot)} && for d in */; do [ -d "$d" ] && printf '%s\n' "\${d%/}"; done`
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)
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return parseLines(output)
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}
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async function getLatestRemoteFile(remoteDir: string): Promise<string | null> {
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const output = await runSsh(
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`cd ${quoteDir(remoteDir)} && ls -1A | sort -r | head -n 1`
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)
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const files = parseLines(output)
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return files[0] || null
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}
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export default defineEventHandler(async (event) => {
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const { folder } = getQuery(event)
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const folderName = typeof folder === "string" ? folder : null
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// Si un dossier est demandé, on retourne sa liste de fichiers.
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if (folderName) {
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if (!isSafeFolder(folderName)) {
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throw createError({
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statusCode: 400,
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statusMessage: "Paramètre folder invalide"
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})
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}
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const remoteDir = await resolveFolderRemoteDir(folderName)
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if (!remoteDir) return []
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try {
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return await listRemoteFiles(remoteDir)
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} catch (error) {
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if (isMissingPathError(error)) return []
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throw toServerError(error)
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}
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}
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// Sinon, on récupère le dernier backup de chaque dossier distant.
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let dirs: string[] = []
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try {
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dirs = await listRemoteDirs(REMOTE_ROOT)
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} catch (error) {
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throw toServerError(error)
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}
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const result: Array<{ folder: string; last: string | null }> = []
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for (const dirName of dirs) {
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const remoteDir = `${REMOTE_ROOT}/${dirName}`
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try {
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result.push({
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folder: dirName,
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last: await getLatestRemoteFile(remoteDir)
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})
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} catch (error) {
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if (isMissingPathError(error)) {
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result.push({
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folder: dirName,
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last: null
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})
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continue
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}
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throw toServerError(error)
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}
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}
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return result
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})
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