Files
upload-gltf/app/api/upload/route.ts
T
2026-04-14 12:17:06 +02:00

357 lines
10 KiB
TypeScript

import { NextRequest, NextResponse } from 'next/server'
import { Octokit } from '@octokit/rest'
import { extname, basename, join } from 'path'
import { mkdir, writeFile, readFile, unlink, rm } from 'fs/promises'
import { existsSync } from 'fs'
import { execFile } from 'child_process'
import { promisify } from 'util'
const execFileAsync = promisify(execFile)
export const runtime = 'nodejs'
export const dynamic = 'force-dynamic'
const MODEL_EXTENSIONS = new Set(['.glb', '.gltf'])
const TEXTURE_EXTENSIONS = new Set(['.png', '.jpg', '.jpeg', '.webp'])
const ALL_ALLOWED_EXTENSIONS = new Set([...MODEL_EXTENSIONS, ...TEXTURE_EXTENSIONS])
const REQUIRED_TEXTURES = ['roughness', 'normal', 'metalness', 'color', 'displace']
const TMP_DIR = join('/tmp', 'assets')
function sanitizeFilename(name: string): string {
return basename(name)
.replace(/[^a-zA-Z0-9._-]/g, '_')
.replace(/_{2,}/g, '_')
.toLowerCase()
}
function getOctokit(): Octokit {
const token = process.env.GITHUB_TOKEN
if (!token) throw new Error('GITHUB_TOKEN non configure')
return new Octokit({ auth: token })
}
function parseRepoUrl(): { owner: string; repo: string } {
const url = process.env.GIT_REPO_URL
if (!url) throw new Error('GIT_REPO_URL non configure')
const httpsMatch = url.match(/github\.com\/([^/]+)\/([^/.]+)/)
const sshMatch = url.match(/github\.com:([^/]+)\/([^/.]+)/)
const shortMatch = url.match(/^([^/]+)\/([^/]+)$/)
const match = httpsMatch || sshMatch || shortMatch
if (!match) throw new Error(`Format GIT_REPO_URL invalide: "${url}"`)
return { owner: match[1], repo: match[2] }
}
// ---------------------------------------------------------------------------
// Blender Draco compression
// ---------------------------------------------------------------------------
async function compressWithBlender(
inputPath: string,
outputPath: string
): Promise<{ success: boolean; error?: string }> {
const blenderPath = process.env.BLENDER_PATH || 'blender'
const scriptPath = join(process.cwd(), 'scripts', 'compress.py')
if (!existsSync(scriptPath)) {
return { success: false, error: 'scripts/compress.py introuvable' }
}
try {
await execFileAsync(blenderPath, [
'--background',
'--python', scriptPath,
'--',
'-i', inputPath,
'-o', outputPath,
'--draco-level', '7',
'--texture-size', '512',
'-q',
], { timeout: 120_000 })
if (!existsSync(outputPath)) {
return { success: false, error: 'Blender n\'a pas produit de fichier compresse' }
}
return { success: true }
} catch (err) {
const message = err instanceof Error ? err.message : String(err)
return { success: false, error: `Compression Blender echouee: ${message}` }
}
}
// ---------------------------------------------------------------------------
// Build commit message with checklist
// ---------------------------------------------------------------------------
function buildCommitMessage(
folderName: string,
modelFilename: string,
textureNames: string[],
compressed: boolean,
): string {
const title = `update: from upload-gltf add a new model -> ${folderName}`
const foundTextures = new Set(
textureNames.map(t => t.toLowerCase().replace(/\.[^.]+$/, ''))
)
const textureLines = REQUIRED_TEXTURES.map(tex => {
if (foundTextures.has(tex)) {
const actual = textureNames.find(t => t.toLowerCase().replace(/\.[^.]+$/, '') === tex)
return `${actual}`
}
return `${tex} (manquant)`
})
const lines = [
title,
'',
'📦 Model',
`${modelFilename}${compressed ? ' (Draco)' : ''}`,
'',
'🎨 Textures',
...textureLines,
]
return lines.join('\n')
}
// ---------------------------------------------------------------------------
// Parse all files from a multi-file FormData
// ---------------------------------------------------------------------------
interface ParsedFile {
filename: string
buffer: Buffer
isModel: boolean
textureName?: string
}
async function parseMultiUpload(req: NextRequest): Promise<{
folderName: string
files: ParsedFile[]
}> {
const formData = await req.formData()
const folderName = (formData.get('folderName') as string | null)?.trim() || 'assets'
const safeFolderName = sanitizeFilename(folderName).replace(/[^a-zA-Z0-9-_]/g, '-')
const fileEntries = formData.getAll('files') as File[]
const fileTypes = formData.getAll('fileTypes') as string[]
const textureNames = formData.getAll('textureNames') as string[]
if (fileEntries.length === 0) {
throw new Error('Aucun fichier recu')
}
const parsed: ParsedFile[] = []
for (let i = 0; i < fileEntries.length; i++) {
const file = fileEntries[i]
if (!file || file.size === 0) continue
const fileType = fileTypes[i] || 'model'
const texName = textureNames[i] || ''
const originalSafe = sanitizeFilename(file.name)
const ext = extname(originalSafe).toLowerCase()
if (!ALL_ALLOWED_EXTENSIONS.has(ext)) {
throw new Error(`Extension non autorisee: "${ext}"`)
}
let filename: string
if (fileType === 'texture' && texName) {
filename = sanitizeFilename(texName)
} else {
filename = originalSafe
}
const isModel = MODEL_EXTENSIONS.has(ext)
const buffer = Buffer.from(await file.arrayBuffer())
parsed.push({ filename, buffer, isModel, textureName: texName || undefined })
}
return { folderName: safeFolderName, files: parsed }
}
// ---------------------------------------------------------------------------
// Push all files in a single commit
// ---------------------------------------------------------------------------
async function pushAllToGitHub(
folderName: string,
files: { path: string; contentBase64: string }[],
commitMessage: string
): Promise<{ commitUrl: string }> {
const octokit = getOctokit()
const { owner, repo } = parseRepoUrl()
const branch = process.env.GIT_BRANCH ?? 'main'
// 1. Get latest commit on branch
const { data: ref } = await octokit.git.getRef({
owner,
repo,
ref: `heads/${branch}`,
})
const latestCommitSha = ref.object.sha
// 2. Get that commit's tree
const { data: commit } = await octokit.git.getCommit({
owner,
repo,
commit_sha: latestCommitSha,
})
// 3. Create all blobs in parallel
const blobResults = await Promise.all(
files.map(f =>
octokit.git.createBlob({
owner,
repo,
content: f.contentBase64,
encoding: 'base64',
})
)
)
// 4. Create a single tree with all files
const { data: newTree } = await octokit.git.createTree({
owner,
repo,
base_tree: commit.tree.sha,
tree: files.map((f, i) => ({
path: f.path,
mode: '100644' as const,
type: 'blob' as const,
sha: blobResults[i].data.sha,
})),
})
// 5. Create a single commit
const { data: newCommit } = await octokit.git.createCommit({
owner,
repo,
message: commitMessage,
tree: newTree.sha,
parents: [latestCommitSha],
})
// 6. Update branch ref
await octokit.git.updateRef({
owner,
repo,
ref: `heads/${branch}`,
sha: newCommit.sha,
})
return { commitUrl: newCommit.html_url }
}
// ---------------------------------------------------------------------------
// POST handler
// ---------------------------------------------------------------------------
export async function POST(req: NextRequest) {
// --- Auth ---
const secret = req.headers.get('x-upload-secret')
const expectedSecret = process.env.UPLOAD_SECRET_KEY
if (!expectedSecret) {
return NextResponse.json(
{ success: false, error: 'Configuration serveur incomplete (UPLOAD_SECRET_KEY manquant)' },
{ status: 500 }
)
}
if (!secret || secret !== expectedSecret) {
return NextResponse.json(
{ success: false, error: "Cle d'authentification invalide" },
{ status: 401 }
)
}
// --- Parse all files ---
let folderName: string
let parsedFiles: ParsedFile[]
try {
;({ folderName, files: parsedFiles } = await parseMultiUpload(req))
} catch (err) {
const message = err instanceof Error ? err.message : 'Erreur inconnue'
return NextResponse.json({ success: false, error: message }, { status: 400 })
}
// --- Process files (compress model if possible) ---
const filesToPush: { path: string; contentBase64: string }[] = []
let modelFilename = ''
let compressed = false
let compressionError: string | undefined
const textureNames: string[] = []
for (const pf of parsedFiles) {
let content = pf.buffer
if (pf.isModel) {
modelFilename = pf.filename
// Write to /tmp for Blender compression
const tmpFolder = join(TMP_DIR, folderName)
await mkdir(tmpFolder, { recursive: true })
const tmpFilePath = join(tmpFolder, pf.filename)
await writeFile(tmpFilePath, pf.buffer)
const stem = pf.filename.replace(/\.[^.]+$/, '')
const compressedPath = join(tmpFolder, `${stem}_compressed.glb`)
const result = await compressWithBlender(tmpFilePath, compressedPath)
if (result.success && existsSync(compressedPath)) {
content = await readFile(compressedPath)
compressed = true
await unlink(compressedPath).catch(() => {})
} else {
compressionError = result.error
}
await unlink(tmpFilePath).catch(() => {})
await rm(tmpFolder, { recursive: true, force: true }).catch(() => {})
} else {
textureNames.push(pf.filename)
}
filesToPush.push({
path: `public/assets/${folderName}/${pf.filename}`,
contentBase64: content.toString('base64'),
})
}
// --- Build commit message ---
const commitMessage = buildCommitMessage(folderName, modelFilename, textureNames, compressed)
// --- Push all in one commit ---
try {
const { commitUrl } = await pushAllToGitHub(folderName, filesToPush, commitMessage)
return NextResponse.json({
success: true,
folderName,
filesCount: filesToPush.length,
compressed,
compressionError: compressionError || undefined,
message: `${filesToPush.length} fichier(s) envoye(s) sur GitHub en un seul commit.`,
commitUrl,
})
} catch (err) {
const message = err instanceof Error ? err.message : 'Erreur GitHub inconnue'
return NextResponse.json(
{ success: false, error: `Push GitHub echoue: ${message}` },
{ status: 500 }
)
}
}