Download file to temp folder rails

This reads the whole file in memory. The best way is IO. Show 3 more comments. Abram Clemens Helm Clemens Helm 3, 1 1 gold badge 19 19 silver badges 13 13 bronze badges. And more efficient as the output is not stored as a string in memory. Though it's actually useful having both answers displayed, so people like me can see both, think about the differences and then choose this answer consciously for the right reasons : — Maxwell Evans.

I'm getting a security warning from Rubocop when using open. I replaced it with URI. Read more about that cop here: rubydoc. Paperclip will take it from there. For future searchers, Paperclip no longer allows this by default: medium. I think this is the clearest way: require 'open-uri' File. Sage Ross Sage Ross 5 5 silver badges 12 12 bronze badges.

It depends, but typically you'd do something like this inside a model or controller method. In a Rails context, you're likely better off using the framework's tools like ActiveStorage, rather than writing directly to disk. This answer needs more visibility as Kernel open enables not only file access but also process invocation by prefixing a pipe symbol e. So, it may lead to a serious security risk by using variable input to the argument of Kernel open. Here's possibly the simplest way: IO. Dogweather Dogweather Did you submit the edit correctly?

I suspect not otherwise your code seems like a direct copy of your first example. And what happens when you replace the open "sample. Shadwell; this is the first example I've posted. Okay, so maerics' question still stands then. What have you tried so far? I assume more than just running the code from the first example and hoping it magically works!

Add a comment. Active Oldest Votes. Improve this answer. Benjamin Manns 8, 4 4 gold badges 34 34 silver badges 47 47 bronze badges. Thanks; I was looking for an httparty example in binary mode like this.

Thanks : — Arup Rakshit. Considering it's an image file, you might want to set f. You can also pass an options hash. Under the hood, Tempfile creates the temporary file using File. These options will be passed to File. This is mostly useful for specifying encoding options, e.

Note: mode keyword argument, as accepted by Tempfile , can only be numeric, combination of the modes defined in File::Constants. If ::new cannot find a unique filename within a limited number of tries, then it will raise an exception. If a block is given, then a Tempfile object will be constructed, and the block is run with said object as argument. The Tempfile object will be automatically closed after the block terminates. Closes the file. Of course, you can choose to later call unlink if you do not unlink it now.

Returns the full path name of the temporary file. This will be nil if unlink has been called. Returns the size of the temporary file. But overwriting the Dir class in my initializer works. Update: in ruby 2. So if you are dumping uploads into your Rails.

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