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Uploading videos directly to Amazon S3

April 01, 2014 Tech

It's pretty straightforward thanks to Amazon, you can now save some bandwidth and allow your user to upload directly to your S3 bucket.

Here is a very simple example:

<form action="" method="post" enctype="multipart/form-data">
<input type="hidden" name="key" value="<%= %>/videos/<%= random_key %>" /><br />
<input type="hidden" name="acl" value="public-read" />
<input type="hidden" name="x-amz-meta-uuid" value="14365123651274" />
<input type="hidden" name="redirect" value="<%= %>" >
<input type="hidden" name="AWSAccessKeyId " value="15B4D3461F177624206A" />
<input type="hidden" name="Policy" value="eyAiZXhwaXJhdGlvbiI6ICIy..." />
<input type="hidden" name="Signature" value="2qCp0odXe7A9IYyUVqn0w2adtCA=" />
Video file <input type="file" name="file" /> <br />
<input type="submit" name="submit" value="Upload to Amazon S3" />

When an user upload the file to your bucket, the response will be:

HTTP/1.1 303 Redirect
x-amz-request-id: 1AEE782442F35865
x-amz-id-2: cxzFLJRatFHy+NGtaDFRR8YvI9BHmgLxjvJzNiGGICARZ/mVXHj7T+qQKhdpzHFh
Content-Type: application/xml
Date: Wed, 14 Nov 2007 21:21:33 GMT
Connection: close
Server: AmazonS3

In upload_ok page, you'll makethe request to Coconut to transfer and encode the video:

user = User.find(params[:user_id])
url = "{params[:key]}"

hw ="HW-API-Key", api_key) :create :url => url

See the S3 documentation.

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