rails-carrier | Instructions for setting up a Ruby on Rails development
kandi X-RAY | rails-carrier Summary
kandi X-RAY | rails-carrier Summary
Let's set up a Ruby on Rails development environment on your machine (OS X or Windows)!.
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QUESTION
The docs for the latest sigv4 s3 browser upload post - http://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-post-example.html
- show that I need to use x-amz-signature
, x-amz-credential
, and policy
.
If I try that, I get an error saying that I'm missing AWSAccessKeyId
, which is not mentioned in the docs, and that the x-amz-signature
needs to be signature
.
Am I supposed to be doing the base64 bucket policy doc above, or am I supposed to be doing the canonical approach, such as the python post to dynamoDB - http://docs.aws.amazon.com/general/latest/gr/sigv4-signed-request-examples.html#sig-v4-examples-post.
Signature:the canonical uses hmac hexdigest hmac.new(signing_key, (string_to_sign).encode('utf-8'), hashlib.sha256).hexdigest()
The upload doc above uses hmac with base64: Base64.encode64(OpenSSL::HMAC.digest('sha256', signaturekey, @policy))
.
Under the hood of the ruby sdk, it looks like they are using the non-hmac hexdigest: OpenSSL::HMAC.hexdigest(OpenSSL::Digest.new('sha256'), key, value)
.
Which method is needed to upload to s3?
FWIW, I'm using a SPA with Rails as an API, so I unfortunately don't have access to any rails view helpers.
I posted a question about my code yesterday, and unfortunately got shown a link that uses rails view helpers
Edit:What the policy is sending:
...ANSWER
Answered 2017-Mar-07 at 21:31With an s3 browser upload, the string to sign should be the bucket config: http://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-UsingHTTPPOST.html
Follow the links at the bottom of the page.
QUESTION
I am trying to upload video and convert it into mp4. For conversion I am using the gem carrierwave-video. My configuration as same in the question
I have installed ffmpeg in my system. But when I upload video the following error occurs.
...ANSWER
Answered 2017-Feb-16 at 06:29Try providing extra parameters.
For eg.
process encode_video: [:mp4, resolution: :same]
change resolution as per you needs.
QUESTION
I'm having trouble getting carrierwave and capistrano to play nice with each other.
To start, I'm using this method to use both a public directory, and a private controller-handled directory for downloads. Tl;dr, carrierwave's root is actually Rails.root
, and not public
. However, I got around this for urls (since Rails does not use public
literally in the url) by defining a base class that sets the public root, for all non-private files.
Anyways, I finally started to try and push code to production. All went well! My uploads showed just fine. However, when I pushed another deploy, I lost all of my images in the public directory.
This is a well documented case for capistrano - it only involves setting :linked_dirs
. In my case, I used the following line.
ANSWER
Answered 2017-Jan-11 at 01:47Looking at the other question & answer you posted, you've set restrictive permissions on the CarrierWave upload directory and files:
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