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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal style='margin-left:36.0pt'><span style='color:#1F497D'>When you say it doesn't work in IE what do you mean?<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>$_SERVER[‘HTTP_REFERER’] is null.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='margin-left:36.0pt'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> xerte-dev-bounces@lists.nottingham.ac.uk [mailto:xerte-dev-bounces@lists.nottingham.ac.uk] <b>On Behalf Of </b>Ron Mitchell<br><b>Sent:</b> 26 January 2012 13:19<br><b>To:</b> 'For Xerte technical developers'<br><b>Subject:</b> [Xerte-dev] Re: $_SERVER['HTTP_REFERER'] issue<o:p></o:p></span></p></div></div><p class=MsoNormal style='margin-left:36.0pt'><o:p> </o:p></p><p class=MsoNormal style='margin-left:36.0pt'><span style='color:#1F497D'>When you say it doesn't work in IE what do you mean?<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='color:#1F497D'>I've just tested in IE 8 with a link to a restricted LO from my Moodle. Clicking the link in moodle works, putting the link direct in a browser or via email works in as far as it doesn't show the LO but gives an error. Fatal error: Call to undefined function dont_show_template()<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='color:#1F497D'>That said it's not the latest version so that error may have been fixed at some point.<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='color:#1F497D'>HTH<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='color:#1F497D'>Ron<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><a name="_MailEndCompose"></a><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='margin-left:36.0pt'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> xerte-dev-bounces@lists.nottingham.ac.uk [mailto:xerte-dev-bounces@lists.nottingham.ac.uk] <b>On Behalf Of </b>Julian Tenney<br><b>Sent:</b> 26 January 2012 12:59<br><b>To:</b> For Xerte technical developers<br><b>Subject:</b> [Xerte-dev] $_SERVER['HTTP_REFERER'] issue<o:p></o:p></span></p></div></div><p class=MsoNormal style='margin-left:36.0pt'><o:p> </o:p></p><p class=MsoNormal style='margin-left:36.0pt'>Anyone got any bright ideas: when you set access to other, you can specify a domain to restrict access only to links being followed from that domain: so you can have some sort of gatekeeping in any system the user has to log in to, and then only allow access to links from that system.<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'><o:p> </o:p></p><p class=MsoNormal style='margin-left:36.0pt'>This is the code, it uses $_SERVER['HTTP_REFERER'].<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'><o:p> </o:p></p><p class=MsoNormal style='margin-left:36.0pt'>It doesn’t work in IE. Cosmic.<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'><o:p> </o:p></p><p class=MsoNormal style='margin-left:36.0pt'>Any alternative approaches without having to modify the linking system?<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'><o:p> </o:p></p><p class=MsoNormal style='margin-left:36.0pt'>This is the code:<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'><o:p> </o:p></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:9.0pt;font-family:"Courier New"'>$test_string=substr($row_play['access_to_whom'],6,strlen($row_play['access_to_whom']));</span><o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'>if(strlen($_SERVER['HTTP_REFERER'])!=0){<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> if(strpos($_SERVER['HTTP_REFERER'],$test_string)==0){<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> mysql_query("UPDATE " . $xerte_toolkits_site->database_table_prefix . "templatedetails SET number_of_uses=number_of_uses+1 WHERE template_id=" . $safe_template_id); <o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> <o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> require $xerte_toolkits_site->root_file_path . "modules/" . $row_play['template_framework'] . "/play.php";<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> <o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> show_template($row_play); <o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> }else{<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> <o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> require $xerte_toolkits_site->root_file_path . "modules/" . $row_play['template_framework'] . "/play.php";<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> dont_show_template();<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> <o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> }<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'>}else{<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> //dont_show_template();<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> //going to show it anyway, as referer doesn't work in IE<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> require $xerte_toolkits_site->root_file_path . "modules/" . $row_play['template_framework'] . "/play.php";<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> <o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> show_template($row_play);<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:9.0pt;font-family:"Courier New"'>}</span><o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p style='margin-left:36.0pt'>This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. <o:p></o:p></p><p style='margin-left:36.0pt'>This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system: you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. <o:p></o:p></p></div></body></html>