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copied!<p>I'm having this problem as well. When I try to request the same PDF without SSL on Internet Explorer (7 or 8) it works, but if I request it with SSL, it doesn't work...</p> <p>We think we may have tracked this down to headers that IE is expecting when downloading a PDF. I haven't checked the prawnto source code to see what headers it set, but we are likely going to use some Rack Middleware to inject the headers we need:</p> <pre><code># add headers for PDF downloads in IE # PDFs not downloading correctly via SSL in IE # solution: add some headers for PDF downloads # http://marc.info/?l=php-general&m=124301243808544&w=2 class RackAddPdfHeadersForIe def initialize( app ) @app = app end def call( env ) @status, @headers, @body = @app.call env add_headers if is_pdf? and is_internet_explorer? [@status, @headers, @body] end def is_pdf? @headers['Content-Type'] =~ /pdf/ end def is_internet_explorer? @headers['User-Agent'] =~ /MSIE ([0-9]{1,}[\.0-9]{0,})/ end def add_headers @headers['Content-Description'] = 'File Transfer' @headers['Content-Transfer-Encoding'] = 'binary' @headers['Expires'] = '0' @headers['Pragma'] = 'public' end end </code></pre> <p>So I tried this, thought it would work, then found that indeed it still didn't work. </p> <p>So I ended up doing this, for whatever reason, this worked for me:</p> <pre><code>class ReportsController < ApplicationController def payroll_summary respond_to do |format| format.pdf do response.headers['Content-Disposition'] = "attachment;filename=\"#{action_name}.pdf\"" response.headers['Content-Description'] = 'File Transfer' response.headers['Content-Transfer-Encoding'] = 'binary' response.headers['Expires'] = '0' response.headers['Pragma'] = 'public' render end #format.pdf end #respond_to end #payroll_summary end </code></pre>

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