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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"
lang="en" dir="ltr">
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<body>
<div class="dokuwiki export">
<h1><a name="limesurvey" id="limesurvey">LimeSurvey</a></h1>
<div class="level1">
<p>
<a href="/_detail/applications/limesurvey_logo.png?id=documentation%3A1.3%3Aapplications%3Alimesurvey" class="media" title="applications:limesurvey_logo.png"><img src="../../../../media/applications/limesurvey_logo.png" class="mediacenter" alt="" /></a>
</p>
</div>
<!-- SECTION "LimeSurvey" [1-70] -->
<h2><a name="presentation" id="presentation">Presentation</a></h2>
<div class="level2">
<p>
<a href="http://www.limesurvey.org" class="urlextern" title="http://www.limesurvey.org" rel="nofollow">LimeSurvey</a> is a web survey software written in <acronym title="Hypertext Preprocessor">PHP</acronym>. LimeSurvey has a webserver authentication mode that allows to integrate it directly into LemonLDAP::NG.
</p>
<p>
To have a stronger integration, we will configure LimeSurvey to autocreate unknown users and use <acronym title="Hyper Text Transfer Protocol">HTTP</acronym> headers to fill name, mail and roles. For example, we will use 3 roles:
</p>
<ul>
<li class="level1"><div class="li"> User: can answer to surveys</div>
</li>
<li class="level1"><div class="li"> Admin: can create surveys</div>
</li>
<li class="level1"><div class="li"> Superadmin: no one can stop him!</div>
</li>
</ul>
</div>
<!-- SECTION "Presentation" [71-557] -->
<h2><a name="configuration" id="configuration">Configuration</a></h2>
<div class="level2">
<p>
<p><div class="noteclassic">We suppose that LimeSurvey is installed in /var/www/html/limesurvey
</div></p>
</p>
</div>
<!-- SECTION "Configuration" [558-666] -->
<h3><a name="limesurvey_configuration" id="limesurvey_configuration">LimeSurvey configuration</a></h3>
<div class="level3">
<p>
The configuration is done in config.php:
</p>
<pre class="code">
vi /var/www/html/limesurvey/config.php
</pre>
<pre class="code file php"><span class="co1">//==================================</span>
<span class="co1">// WebSSO</span>
<span class="co1">//==================================</span>
<span class="re0">$useWebserverAuth</span> <span class="sy0">=</span> <span class="kw4">true</span><span class="sy0">;</span>
<span class="re0">$WebserverAuth_autocreateUser</span> <span class="sy0">=</span> <span class="kw4">true</span><span class="sy0">;</span>
<span class="re0">$WebserverAuth_autouserprofile</span> <span class="sy0">=</span> <a href="http://www.php.net/array"><span class="kw3">Array</span></a><span class="br0">(</span>
<span class="st_h">'full_name'</span> <span class="sy0">=></span> <span class="re0">$_SERVER</span><span class="br0">[</span><span class="st_h">'HTTP_AUTH_CN'</span><span class="br0">]</span><span class="sy0">,</span>
<span class="st_h">'email'</span> <span class="sy0">=></span> <span class="re0">$_SERVER</span><span class="br0">[</span><span class="st_h">'HTTP_AUTH_MAIL'</span><span class="br0">]</span><span class="sy0">,</span>
<span class="st_h">'lang'</span> <span class="sy0">=></span> <span class="st_h">'en'</span><span class="sy0">,</span>
<span class="st_h">'htmleditormode'</span> <span class="sy0">=></span> <span class="st_h">'inline'</span><span class="sy0">,</span>
<span class="st_h">'templatelist'</span> <span class="sy0">=></span> <span class="st_h">'default,basic,MyOrgTemplate'</span><span class="sy0">,</span>
<span class="st_h">'create_survey'</span> <span class="sy0">=></span> <span class="re0">$_SERVER</span><span class="br0">[</span><span class="st_h">'HTTP_AUTH_ADMIN'</span><span class="br0">]</span> <span class="sy0">||</span> <span class="re0">$_SERVER</span><span class="br0">[</span><span class="st_h">'HTTP_AUTH_SUPERADMIN'</span><span class="br0">]</span><span class="sy0">,</span>
<span class="st_h">'create_user'</span> <span class="sy0">=></span> <span class="re0">$_SERVER</span><span class="br0">[</span><span class="st_h">'HTTP_AUTH_SUPERADMIN'</span><span class="br0">]</span><span class="sy0">,</span>
<span class="st_h">'delete_user'</span> <span class="sy0">=></span> <span class="re0">$_SERVER</span><span class="br0">[</span><span class="st_h">'HTTP_AUTH_SUPERADMIN'</span><span class="br0">]</span><span class="sy0">,</span>
<span class="st_h">'superadmin'</span> <span class="sy0">=></span> <span class="re0">$_SERVER</span><span class="br0">[</span><span class="st_h">'HTTP_AUTH_SUPERADMIN'</span><span class="br0">]</span><span class="sy0">,</span>
<span class="st_h">'configurator'</span> <span class="sy0">=></span> <span class="re0">$_SERVER</span><span class="br0">[</span><span class="st_h">'HTTP_AUTH_SUPERADMIN'</span><span class="br0">]</span><span class="sy0">,</span>
<span class="st_h">'manage_template'</span> <span class="sy0">=></span> <span class="re0">$_SERVER</span><span class="br0">[</span><span class="st_h">'HTTP_AUTH_SUPERADMIN'</span><span class="br0">]</span><span class="sy0">,</span>
<span class="st_h">'manage_label'</span> <span class="sy0">=></span> <span class="re0">$_SERVER</span><span class="br0">[</span><span class="st_h">'HTTP_AUTH_SUPERADMIN'</span><span class="br0">]</span>
<span class="br0">)</span><span class="sy0">;</span></pre>
<p>
<p><div class="notetip">We directly use <acronym title="Hyper Text Transfer Protocol">HTTP</acronym> headers to fill default user profile.
</div></p>
</p>
</div>
<!-- SECTION "LimeSurvey configuration" [667-1672] -->
<h3><a name="limesurvey_virtual_host_in_apache" id="limesurvey_virtual_host_in_apache">LimeSurvey virtual host in Apache</a></h3>
<div class="level3">
<p>
Configure LimeSurvey virtual host like other <a href="../../../documentation/1.3/configvhost.html" class="wikilink1" title="documentation:1.3:configvhost">protected virtual host</a>.
</p>
<pre class="code file apache"><<span class="kw3">VirtualHost</span> *:80>
<span class="kw1">ServerName</span> limesurvey.example.com
PerlHeaderParserHandler My::Package
<span class="kw1">SetEnvIfNoCase</span> Auth-<span class="kw1">User</span> <span class="st0">"(.*)"</span> PHP_AUTH_USER=$1
<span class="kw1">Alias</span> /limesurvey /var/www/html/limesurvey
<span class="kw1">DocumentRoot</span> /var/www/html/limesurvey
</<span class="kw3">VirtualHost</span>></pre>
<p>
<p><div class="noteimportant">You need to set the <acronym title="Hypertext Preprocessor">PHP</acronym>_AUTH_USER variable to have the Webserver authentication mode working.
</div></p>
</p>
</div>
<!-- SECTION "LimeSurvey virtual host in Apache" [1673-2216] -->
<h3><a name="limesurvey_virtual_host_in_manager" id="limesurvey_virtual_host_in_manager">LimeSurvey virtual host in Manager</a></h3>
<div class="level3">
<p>
Go to the Manager and <a href="../../../documentation/1.3/configvhost.html#lemonldapng_configuration" class="wikilink1" title="documentation:1.3:configvhost">create a new virtual host</a> for LimeSurvey.
</p>
</div>
<h4><a name="headers" id="headers">Headers</a></h4>
<div class="level4">
<table class="inline">
<tr class="row0 roweven">
<th class="col0 centeralign"> Header name </th><th class="col1 centeralign"> Description </th>
</tr>
<tr class="row1 rowodd">
<td class="col0 centeralign"> Auth-User </td><td class="col1 centeralign"> user login </td>
</tr>
<tr class="row2 roweven">
<td class="col0 centeralign"> Auth-Cn </td><td class="col1 centeralign"> user full name </td>
</tr>
<tr class="row3 rowodd">
<td class="col0 centeralign"> Auth-Mail </td><td class="col1 centeralign"> user email </td>
</tr>
<tr class="row4 roweven">
<td class="col0 centeralign"> Auth-Admin </td><td class="col1 centeralign"> 1 if user is admin </td>
</tr>
<tr class="row5 rowodd">
<td class="col0 centeralign"> Auth-SuperAdmin </td><td class="col1 centeralign"> 1 if user is superadmin </td>
</tr>
</table>
<p>
<p><div class="notetip">You can manage roles with the <a href="../../../documentation/1.3/rbac.html" class="wikilink1" title="documentation:1.3:rbac">RBAC model</a> or by using groups.
</div></p>
</p>
</div>
<h4><a name="rules" id="rules">Rules</a></h4>
<div class="level4">
<table class="inline">
<tr class="row0 roweven">
<th class="col0 centeralign"> Rule name </th><th class="col1 centeralign"> Expression </th><th class="col2 centeralign"> Description </th>
</tr>
<tr class="row1 rowodd">
<td class="col0 centeralign"> Logout </td><td class="col1 centeralign"> action=logout$ </td><td class="col2 centeralign"> Logout rule (for example logout_app_sso) </td>
</tr>
<tr class="row2 roweven">
<td class="col0 centeralign"> Admin </td><td class="col1 centeralign"> ^/limesurvey/admin/ </td><td class="col2 centeralign"> Allow only admin and superadmin roles </td>
</tr>
<tr class="row3 rowodd">
<td class="col0 centeralign"> Default </td><td class="col1 centeralign"> default </td><td class="col2 centeralign"> Allow only users with a LimeSurvey role </td>
</tr>
</table>
<p>
<p><div class="notetip">
You can set the default access to:
</p>
<ul>
<li class="level1"><div class="li"> <strong>accept</strong>: all authenticated users will access surveys</div>
</li>
<li class="level1"><div class="li"> <strong>unprotect</strong>: no authentication will be asked to access surveys </div>
</li>
</ul>
<p>
</div></p>
</p>
</div>
<!-- SECTION "LimeSurvey virtual host in Manager" [2217-] --></div><!-- closes <div class="dokuwiki export">-->
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