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Re^11: perl dancer route template hashref pass complex json file to server issue (the reverse)

by RamiD (Acolyte)
on Jul 30, 2016 at 10:07 UTC ( #1168855=note: print w/replies, xml ) Need Help??


in reply to Re^10: perl dancer route template hashref pass complex json file to server issue (the reverse)
in thread perl dancer route template hashref pass complex json file to server issue

thanks , the following worked with me
<!DOCTYPE html> <html> <head> </head> <body> <div style = "padding: 100px 100px 10px;"> <script> var test2=<%passtoserver | replace('"', '"') %>; var test3=JSON.stringify(test2); alert(test3); </script> <button type="text" > </div> </body> </html>
without any change in client side, Rami D.
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Re^12: perl dancer route template hashref pass complex json file to server issue (')
by tye (Sage) on Jul 30, 2016 at 19:19 UTC

    I suspect that your working code does not exactly match the code that you posted above. Trying to guess some things, I encourage you to test your code against a JSON value that contains strings containing a single quote / apostrophe character, a literal backslash character, even a newline character.

    Update: Oh, much later I realized how the code you posted could actually work. Valid JSON strings are also valid JavaScript source code. This might well open up a vector for doing cross-site JavaScript injection attacks, though that is likely true using your old 'eval' approach as well.

    - tye        

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