Archive for AWS

How to allow direct file uploads from JavaScript to Amazon S3 signed by Python

On Close.io we originally implemented Filepicker.io to allow for file uploads while sending emails. While it was a quick way to get started with file uploading initially, after several minutes of downtime of their API and then an unannounced change in their JSON response format, I was reminded once again that you shouldn’t to rely on small startups for critical parts of your tech infrastructure.

There’s nothing wrong with filepicker.io if you want to use a lot of their features, but in our case we just needed to allow simple uploading of files to our own AWS S3 bucket. Here’s how:
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