cloudconvert v2.3.7
cloudconvert-node
This is the official Node.js SDK v2 for the CloudConvert API v2.
Installation
npm install --save cloudconvert
Load as ESM module:
import CloudConvert from 'cloudconvert';
... or via require:
const CloudConvert = require('cloudconvert');
Creating Jobs
import CloudConvert from 'cloudconvert';
const cloudConvert = new CloudConvert('api_key');
let job = await cloudConvert.jobs.create({
tasks: {
'import-my-file': {
operation: 'import/url',
url: 'https://my-url'
},
'convert-my-file': {
operation: 'convert',
input: 'import-my-file',
output_format: 'pdf',
some_other_option: 'value'
},
'export-my-file': {
operation: 'export/url',
input: 'convert-my-file'
}
}
});
You can use the CloudConvert Job Builder to see the available options for the various task types.
Downloading Files
CloudConvert can generate public URLs for using export/url
tasks. You can use these URLs to download output files.
job = await cloudConvert.jobs.wait(job.id); // Wait for job completion
const file = this.cloudConvert.jobs.getExportUrls(job)[0];
const writeStream = fs.createWriteStream('./out/' + file.filename);
https.get(file.url, function (response) {
response.pipe(writeStream);
});
await new Promise((resolve, reject) => {
writeStream.on('finish', resolve);
writeStream.on('error', reject);
});
Uploading Files
Uploads to CloudConvert are done via import/upload
tasks (see the docs). This SDK offers a convenient upload method:
const job = await cloudConvert.jobs.create({
tasks: {
'upload-my-file': {
operation: 'import/upload'
}
// ...
}
});
const uploadTask = job.tasks.filter(task => task.name === 'upload-my-file')[0];
const inputFile = fs.createReadStream('./file.pdf');
await cloudConvert.tasks.upload(uploadTask, inputFile, 'file.pdf');
Note on custom streams: The length of the stream needs to be known prior to uploading. The SDK automatically detects the file size of file-based read streams. If you are using a custom stream, you need to pass a
filesize
as fourth parameter to theupload()
method.
Websocket Events
The node SDK can subscribe to events of the CloudConvert socket.io API.
const job = await cloudConvert.jobs.create({ ... });
// Events for the job
// Available events: created, updated, finished, failed
cloudConvert.jobs.subscribeEvent(job.id, 'finished', event => {
// Job has finished
console.log(event.job);
});
// Events for all tasks of the job
// Available events: created, updated, finished, failed
cloudConvert.jobs.subscribeTaskEvent(job.id, 'finished', event => {
// Task has finished
console.log(event.task);
});
When you don't want to receive any events any more you should close the socket:
cloudConvert.closeSocket();
Webhook Signing
The node SDK allows to verify webhook requests received from CloudConvert.
const payloadString = '...'; // The JSON string from the raw request body.
const signature = '...'; // The value of the "CloudConvert-Signature" header.
const signingSecret = '...'; // You can find it in your webhook settings.
const isValid = cloudConvert.webhooks.verify(
payloadString,
signature,
signingSecret
); // returns true or false
Signed URLs
Signed URLs allow converting files on demand only using URL query parameters. The node.js SDK allows to generate such URLs. Therefore, you need to obtain a signed URL base and a signing secret on the CloudConvert Dashboard.
const signedUrlBase = 'https://s.cloudconvert.com/...'; // You can find it in your signed URL settings.
const signingSecret = '...'; // You can find it in your signed URL settings.
const cacheKey = 'cache-key'; // Allows caching of the result file for 24h
const job = {
tasks: {
'import-it': {
operation: 'import/url',
url: 'https://some.url',
filename: 'logo.png'
},
'export-it': {
operation: 'export/url',
input: 'import-it',
inline: true
}
}
};
const url = cloudConvert.signedUrls.sign(
signedUrlBase,
signingSecret,
job,
cacheKey
); // returns the generated URL
Using the Sandbox
You can use the Sandbox to avoid consuming your quota while testing your application. The node SDK allows you to do that.
// Pass `true` to the constructor
const cloudConvert = new CloudConvert('api_key', true);
Don't forget to generate MD5 Hashes for the files you will use for testing.
Setting a Region
By default, the region in your account settings is used. Alternatively, you can set a fixed region:
// Pass the region as third argument to the constructor
const cloudConvert = new CloudConvert('api_key', false, 'us-east');
Contributing
This section is intended for people who want to contribute to the development of this library.
Getting started
Begin with installing the necessary dependencies by running
npm install
in the root directory of this repository.
Building
This project is written in TypeScript so it needs to be compiled first:
npm run build
This will compile the code in the lib
directory and generate a built
directory containing the JS files and the type declarations.
Unit Tests
Tests are based on mocha:
npm run test
Integration Tests
npm run test-integration
By default, this runs the integration tests against the Sandbox API with an official CloudConvert account. If you would like to use your own account, you can set your API key using the CLOUDCONVERT_API_KEY
enviroment variable. In this case you need to whitelist the following MD5 hashes for Sandbox API (using the CloudConvert dashboard).
53d6fe6b688c31c565907c81de625046 input.pdf
99d4c165f77af02015aa647770286cf9 input.png
Linting
The project is linted by ESLint+Prettier.
If you're using VSCode, all files will be linted automatically upon saving. Otherwise, you can lint the project by running
npm run lint
and even auto-fix as many things as possible by running
npm run lint -- --fix
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