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PORuby on Rails: How to pass parameters from view to controller with link_to without parameters showing up in URL
 

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  1. PORuby on Rails: How to pass parameters from view to controller with link_to without parameters showing up in URL
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    <p>I am currently using a link_to helper in View to pass parameters like title , author ,image_url and isbn back to controller</p> <pre><code>&lt;%= link_to 'Sell this item',new_item_path(:title =&gt; title, :author =&gt; authors, :image_url=&gt;image, :image_url_s=&gt;image_s, :isbn=&gt;isbn, :isbn13=&gt;isbn13 ) %&gt; </code></pre> <p>Controller will then assign the parameters to an object to be used by a form in View later(in new.html.erb)</p> <pre><code>def new @item = Item.new @item.title = params[:title] @item.author = params[:author] @item.image_url = params[:image_url] @item.image_url_s = params[:image_url_s] @item.isbn = params[:isbn] @item.isbn13 = params[:isbn13] respond_to do |format| format.html # new.html.erb format.xml { render :xml =&gt; @item } end end </code></pre> <p>new.html.erb will then be called. This is all working fine but the url shows all the parameters</p> <pre><code>http://localhost:3000/items/new?author=Michael+Harvey&amp;image_url=http://ecx.images-amazon.com/images/I/51vt1uVjvLL._SL160_.jpg&amp;image_url_s=http://ecx.images-amazon.com/images/I/51vt1uVjvLL._SL75_.jpg&amp;isbn13=9780307272508&amp;isbn=0307272508&amp;title=The+Third+Rail </code></pre> <p>Is there any way I can make the parameters not show up on the URL?</p>
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    1. COWhy you need it? From where these parameter comes? Is it from user input or from where? As I look on it, it seems that you are doing something in a strange way. Please explain why you are doing it, because probably there is a better way.
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    2. COThese parameters are returned by amazon in a xml formatted output. I have a search bar which allows the user to query the amazon database(using amazon ECS). After every query, my site will populate the first ten items from the output in a table. Each item will have a button that allows the user to select that item to sell. I need these parameters to be displayed in a form in another View. These parameters will eventually be saved to my database. The reason I do not like the parameters showing up is that user can manually manipulate the URL.
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    3. COit doesn't look like hiding parameters from user is going to solve your problem. Malicious user will always be able to find out parameters and manipulate them. By implementing your approach you make code more complicated but it doesn't actually improve security in any way
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