Update upload.js
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Eduard Prigoana
GitHub
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1 changed files with 78 additions and 146 deletions
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@ -1,151 +1,83 @@
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// functions/upload.js
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// Handles cover image uploads via imgur.gg API
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const API_BASE = 'https://temp.imgur.gg/api/upload';
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const BASE = "https://temp.imgur.gg";
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export async function onRequest(context) {
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const { request } = context;
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const { request } = context;
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// Handle CORS preflight
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if (request.method === 'OPTIONS') {
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return new Response(null, {
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status: 204,
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headers: {
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'Access-Control-Allow-Origin': '*',
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'Access-Control-Allow-Methods': 'POST',
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'Access-Control-Allow-Headers': 'Content-Type',
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},
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});
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}
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if (request.method !== 'POST') {
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return new Response(JSON.stringify({ error: 'Method not allowed' }), {
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status: 405,
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headers: {
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'Content-Type': 'application/json',
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'Access-Control-Allow-Origin': '*',
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},
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});
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}
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try {
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// Parse the multipart form data
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const formData = await request.formData();
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const file = formData.get('file');
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if (!file) {
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return new Response(JSON.stringify({ error: 'No file provided' }), {
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status: 400,
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headers: {
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'Content-Type': 'application/json',
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'Access-Control-Allow-Origin': '*',
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},
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});
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}
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// Validate file type
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if (!file.type.startsWith('image/')) {
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return new Response(JSON.stringify({ error: 'File must be an image' }), {
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status: 400,
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headers: {
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'Content-Type': 'application/json',
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'Access-Control-Allow-Origin': '*',
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},
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});
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}
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// Validate file size (max 10MB)
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const maxSize = 10 * 1024 * 1024; // 10MB
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if (file.size > maxSize) {
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return new Response(JSON.stringify({ error: 'File size exceeds 10MB limit' }), {
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status: 400,
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headers: {
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'Content-Type': 'application/json',
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'Access-Control-Allow-Origin': '*',
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},
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});
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}
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// Get file bytes
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const fileBytes = await file.arrayBuffer();
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// Step 1: Request upload metadata
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const metadataPayload = {
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files: [
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{
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fileName: file.name,
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fileType: file.type,
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fileSize: file.size,
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},
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],
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};
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const metadataResponse = await fetch(API_BASE, {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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},
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body: JSON.stringify(metadataPayload),
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});
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if (!metadataResponse.ok) {
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throw new Error(`Metadata request failed: ${metadataResponse.status}`);
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}
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const metadata = await metadataResponse.json();
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if (!metadata.success || !metadata.files || !metadata.files[0]) {
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throw new Error('Failed to get upload URL from imgur.gg');
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}
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const fileInfo = metadata.files[0];
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const uploadUrl = fileInfo.uploadUrl;
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// Step 2: Upload the file
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const uploadResponse = await fetch(uploadUrl, {
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method: 'PUT',
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body: fileBytes,
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headers: {
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'Content-Type': file.type,
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},
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});
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if (!uploadResponse.ok) {
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throw new Error(`File upload failed: ${uploadResponse.status}`);
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}
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// Step 3: Return the public URL
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const publicUrl = `https://i.imgur.gg/${fileInfo.fileId}-${fileInfo.fileName}`;
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return new Response(
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JSON.stringify({
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success: true,
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url: publicUrl,
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fileId: fileInfo.fileId,
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fileName: fileInfo.fileName,
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}),
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{
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status: 200,
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headers: {
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'Content-Type': 'application/json',
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'Access-Control-Allow-Origin': '*',
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},
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}
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);
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} catch (error) {
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console.error('Upload error:', error);
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return new Response(
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JSON.stringify({
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error: 'Upload failed',
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message: error.message,
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}),
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{
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status: 500,
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headers: {
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'Content-Type': 'application/json',
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'Access-Control-Allow-Origin': '*',
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},
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}
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);
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if (request.method !== "POST") {
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return new Response("Method not allowed", { status: 405 });
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}
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const formData = await request.formData();
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const file = formData.get("file");
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if (!file) {
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return new Response("No file", { status: 400 });
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}
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const buffer = await file.arrayBuffer();
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// 1. GET site to grab cookie
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const getRes = await fetch(BASE, {
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method: "GET",
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});
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const setCookie = getRes.headers.get("set-cookie") || "";
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const cookie = setCookie.split(";")[0]; // _s=xxxxx
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// 2. Request metadata WITH cookie
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const metadataRes = await fetch(`${BASE}/api/upload`, {
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method: "POST",
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headers: {
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"Content-Type": "application/json",
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Cookie: cookie,
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Origin: BASE,
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Referer: BASE + "/",
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},
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body: JSON.stringify({
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files: [
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{
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fileName: file.name,
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fileType: file.type,
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fileSize: file.size,
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},
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],
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}),
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});
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if (!metadataRes.ok) {
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const text = await metadataRes.text();
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return new Response("Metadata failed: " + text, { status: 500 });
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}
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const metadata = await metadataRes.json();
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const uploadInfo = metadata.files[0];
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// 3. Upload to signed URL
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const uploadRes = await fetch(uploadInfo.uploadUrl, {
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method: "PUT",
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headers: {
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"Content-Type": file.type,
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},
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body: buffer,
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});
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if (!uploadRes.ok) {
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return new Response("Upload failed", { status: 500 });
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}
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// 4. Return public URL
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const publicUrl =
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`https://i.imgur.gg/${uploadInfo.fileId}-${uploadInfo.fileName}`;
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return new Response(
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JSON.stringify({
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success: true,
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url: publicUrl,
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}),
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{
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headers: { "Content-Type": "application/json" },
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}
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);
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}
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