Sending Binary Data over the Network with Json

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First, you need to open the file. Since the file is binary, you have to open it with an additional “b” flag.

Here i am sending a zip file

f = File.open("path/myzip.zip", "rb")
 

Next, you have to do binary-to-text encoding on the binary file because the JSON  will complain if you try to feed it a binary string. To overcome this obstacle, you need to apply Base64 encoding.




file_content = Base64.b64encode(f.read())


 



After you have a text representation of the data, you can then use JSON to package it, you can use to_json to convert in to json




{:file=>file_content}.to_json




In your  Rails application you can do this like




render :layout=>false , :json => {:file=> file_content}.to_json 








































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