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/////////////////////////////////////////////////////////////////////
// Copyright (c) Autodesk, Inc. All rights reserved
//
// Permission to use, copy, modify, and distribute this software in
// object code form for any purpose and without fee is hereby granted,
// provided that the above copyright notice appears in all copies and
// that both that copyright notice and the limited warranty and
// restricted rights notice below appear in all supporting
// documentation.
//
// AUTODESK PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS.
// AUTODESK SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF
// MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. AUTODESK, INC.
// DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE
// UNINTERRUPTED OR ERROR FREE.
/////////////////////////////////////////////////////////////////////
//-------------------------------------------------------------------
// These packages are included in package.json.
// Run `npm install` to install them.
// 'path' is part of Node.js and thus not inside package.json.
//-------------------------------------------------------------------
require('es6-promise').polyfill();
var express = require('express'); // For web server
var Axios = require('axios'); // A Promised base http client
var bodyParser = require('body-parser'); // Receive JSON format
// Set up Express web server
var app = express();
app.use(bodyParser.json());
app.use(express.static(__dirname + '/www'));
// This is for web server to start listening to port 3000
app.set('port', 3000);
var server = app.listen(app.get('port'), function () {
console.log('Server listening on port ' + server.address().port);
});
//-------------------------------------------------------------------
// Configuration for your Forge account
// Initialize the 2-legged OAuth2 client, and
// set specific scopes
//-------------------------------------------------------------------
var FORGE_CLIENT_ID = process.env.FORGE_CLIENT_ID;
var FORGE_CLIENT_SECRET = process.env.FORGE_CLIENT_SECRET;
console.log('FORGE_CLIENT_ID: ['+ FORGE_CLIENT_ID+']');
console.log('FORGE_CLIENT_SECRET: ['+ FORGE_CLIENT_SECRET+']');
var access_token = '';
var scopes = 'data:read data:write data:create bucket:create bucket:read';
const querystring = require('querystring');
// // Route /api/forge/oauth
app.get('/api/forge/oauth', function (req, res) {
Axios({
method: 'POST',
url: 'https://developer.api.autodesk.com/authentication/v1/authenticate',
headers: {
'content-type': 'application/x-www-form-urlencoded',
},
data: querystring.stringify({
client_id: FORGE_CLIENT_ID,
client_secret: FORGE_CLIENT_SECRET,
grant_type: 'client_credentials',
scope: scopes
})
})
.then(function (response) {
// Success
access_token = response.data.access_token;
console.log(response);
res.redirect('/api/forge/datamanagement/bucket/create');
})
.catch(function (error) {
// Failed
console.log(error);
res.send('Failed to authenticate');
});
});
// Route /api/forge/oauth/public
app.get('/api/forge/oauth/public', function (req, res) {
// Limit public token to Viewer read only
Axios({
method: 'POST',
url: 'https://developer.api.autodesk.com/authentication/v1/authenticate',
headers: {
'content-type': 'application/x-www-form-urlencoded',
},
data: querystring.stringify({
client_id: FORGE_CLIENT_ID,
client_secret: FORGE_CLIENT_SECRET,
grant_type: 'client_credentials',
scope: 'viewables:read'
})
})
.then(function (response) {
// Success
console.log(response);
res.json({ access_token: response.data.access_token, expires_in: response.data.expires_in });
})
.catch(function (error) {
// Failed
console.log(error);
res.status(500).json(error);
});
});
// Buckey key and Policy Key for OSS
const bucketKey = FORGE_CLIENT_ID.toLowerCase() + '_tutorial_bucket'; // Prefix with your ID so the bucket key is unique across all buckets on all other accounts
const policyKey = 'transient'; // Expires in 24hr
// Route /api/forge/datamanagement/bucket/create
app.get('/api/forge/datamanagement/bucket/create', function (req, res) {
// Create an application shared bucket using access token from previous route
// We will use this bucket for storing all files in this tutorial
Axios({
method: 'POST',
url: 'https://developer.api.autodesk.com/oss/v2/buckets',
headers: {
'content-type': 'application/json',
Authorization: 'Bearer ' + access_token
},
data: JSON.stringify({
'bucketKey': bucketKey,
'policyKey': policyKey
})
})
.then(function (response) {
// Success
console.log(response);
res.redirect('/api/forge/datamanagement/bucket/detail');
})
.catch(function (error) {
if (error.response && error.response.status == 409) {
console.log('Bucket already exists, skip creation.');
res.redirect('/api/forge/datamanagement/bucket/detail');
}
// Failed
console.log(error);
res.send('Failed to create a new bucket');
});
});
// Route /api/forge/datamanagement/bucket/detail
app.get('/api/forge/datamanagement/bucket/detail', function (req, res) {
Axios({
method: 'GET',
url: 'https://developer.api.autodesk.com/oss/v2/buckets/' + encodeURIComponent(bucketKey) + '/details',
headers: {
Authorization: 'Bearer ' + access_token
}
})
.then(function (response) {
// Success
console.log(response);
res.redirect('/upload.html');
})
.catch(function (error) {
// Failed
console.log(error);
res.send('Failed to verify the new bucket');
});
});
// For converting the source into a Base64-Encoded string
var Buffer = require('buffer').Buffer;
String.prototype.toBase64 = function () {
// Buffer is part of Node.js to enable interaction with octet streams in TCP streams,
// file system operations, and other contexts.
return new Buffer(this).toString('base64');
};
var multer = require('multer'); // To handle file upload
var upload = multer({ dest: 'tmp/' }); // Save file into local /tmp folder
// Route /api/forge/datamanagement/bucket/upload
app.post('/api/forge/datamanagement/bucket/upload', upload.single('fileToUpload'), function (req, res) {
var fs = require('fs'); // Node.js File system for reading files
fs.readFile(req.file.path, function (err, filecontent) {
Axios({
method: 'PUT',
url: 'https://developer.api.autodesk.com/oss/v2/buckets/' + encodeURIComponent(bucketKey) + '/objects/' + encodeURIComponent(req.file.originalname),
headers: {
Authorization: 'Bearer ' + access_token,
'Content-Disposition': req.file.originalname,
'Content-Length': filecontent.length
},
data: filecontent
})
.then(function (response) {
// Success
console.log(response);
var urn = response.data.objectId.toBase64();
res.redirect('/api/forge/modelderivative/' + urn);
})
.catch(function (error) {
// Failed
console.log(error);
res.send('Failed to create a new object in the bucket');
});
});
});
// Route /api/forge/modelderivative
app.get('/api/forge/modelderivative/:urn', function (req, res) {
var urn = req.params.urn;
var format_type = 'svf';
var format_views = ['2d', '3d'];
Axios({
method: 'POST',
url: 'https://developer.api.autodesk.com/modelderivative/v2/designdata/job',
headers: {
'content-type': 'application/json',
Authorization: 'Bearer ' + access_token
},
data: JSON.stringify({
'input': {
'urn': urn
},
'output': {
'formats': [
{
'type': format_type,
'views': format_views
}
]
}
})
})
.then(function (response) {
// Success
console.log(response);
res.redirect('/viewer.html?urn=' + urn);
})
.catch(function (error) {
// Failed
console.log(error);
res.send('Error at Model Derivative job.');
});
});