145 lines
7.2 KiB
HTML
145 lines
7.2 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="fr"
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lang="fr" dir="ltr">
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title></title><!-- metadata --><!-- style sheet links -->
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<meta name="generator" content="Hors ligne" />
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<meta name="version" content="Hors-ligne 0.1" />
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<link rel="stylesheet" media="all" type="text/css" href="../../../css/all.css" />
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<link rel="stylesheet" media="screen" type="text/css" href="../../../css/screen.css" />
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<link rel="stylesheet" media="print" type="text/css" href="../../../css/print.css" />
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</head>
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<body>
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<div class="dokuwiki export">
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<h1 class="sectionedit1" id="protect_your_application">Protéger une application</h1>
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<div class="level1">
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</div><!-- EDIT1 SECTION "Protect your application" [1-40] -->
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<h2 class="sectionedit2" id="presentation">Présentation</h2>
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<div class="level2">
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<p>
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Une application peut connaître l'utilisateur connecté en utilisant :
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</p>
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<ul>
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<li class="level1"><div class="li"> la variable d'environnement REMOTE_USER (avec un agent local ou une conversion SetEnvIf)</div>
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</li>
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<li class="level1"><div class="li"> HTTP header (in all cases)</div>
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</li>
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</ul>
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<p>
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Pour obtenir plus d'information sur l'utilisateur (nom, adresse de courriel, etc...), il faut lire les <a href="../../documentation/1.9/writingrulesand_headers.html#headers" class="wikilink1" title="documentation:1.9:writingrulesand_headers">en-têtes HTTP</a>.
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</p>
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<p>
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</p><p></p><div class="notetip">
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If your application is based on <a href="http://search.cpan.org/perldoc?CGI" class="urlextern" title="http://search.cpan.org/perldoc?CGI" rel="nofollow">Perl CGI package</a>, you can simply replace CGI by <a href="#perl_auto-protected_cgi" title="documentation:1.9:selfmadeapplication ↵" class="wikilink1">Lemonldap::NG::Handler::CGI</a>
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</div></p>
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</p>
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</div><!-- EDIT2 SECTION "Presentation" [41-542] -->
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<h2 class="sectionedit3" id="code_snippet">Exemple de code</h2>
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<div class="level2">
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<p>
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Exemples avec un <a href="../../documentation/1.9/writingrulesand_headers.html#headers" class="wikilink1" title="documentation:1.9:writingrulesand_headers">en-tête configuré</a> nommé 'Auth-User':
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</p>
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</div><!-- EDIT3 SECTION "Code snippet" [543-658] -->
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<h3 class="sectionedit4" id="perl">Perl</h3>
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<div class="level3">
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<pre class="code file perl"><a href="http://perldoc.perl.org/functions/print.html"><span class="kw3">print</span></a> <span class="st0">"Connected user: "</span><span class="sy0">.</span><span class="re0">$ENV</span><span class="br0">{</span>HTTP_AUTH_USER<span class="br0">}</span><span class="sy0">;</span></pre>
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</div><!-- EDIT4 SECTION "Perl" [659-742] -->
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<h3 class="sectionedit5" id="php">PHP</h3>
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<div class="level3">
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<pre class="code file php"><span class="kw1">print</span> <span class="st0">"Connected user: "</span><span class="sy0">.</span><span class="re0">$_SERVER</span><span class="br0">{</span>HTTP_AUTH_USER<span class="br0">}</span><span class="sy0">;</span></pre>
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</div><!-- EDIT5 SECTION "PHP" [743-828] -->
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<h2 class="sectionedit6" id="perl_auto-protected_cgi">CGI aito-protégée Perl</h2>
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<div class="level2">
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<p>
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Using this feature, you don't have to use virtual host protection: protection is embedded in Lemonldap::NG::Handler::CGI.
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</p>
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<p>
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Lemonldap::NG::Handler::CGI adds some functions to <a href="http://search.cpan.org/perldoc?CGI" class="urlextern" title="http://search.cpan.org/perldoc?CGI" rel="nofollow">CGI</a>:
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</p>
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<ul>
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<li class="level1"><div class="li"> authenticate : vérifie que l'utilisateur est authentifié ; sinon, il est redirigé vers le portail</div>
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</li>
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<li class="level1"><div class="li"> authorize : vérifie si l'utilisateur est autorisé à accèder à cette <abbr title="Uniform Resource Locator">URL</abbr></div>
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</li>
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</ul>
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<p>
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Exemple :
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</p>
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<ul>
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<li class="level1"><div class="li"> Code à remplacer :</div>
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</li>
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</ul>
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<pre class="code perl"><span class="kw1">my</span> <span class="re0">$cgi</span> <span class="sy0">=</span> <span class="kw2">new</span> CGI<span class="sy0">;</span>
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<span class="sy0">...</span></pre>
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<ul>
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<li class="level1"><div class="li"> Nouveau code:</div>
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</li>
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</ul>
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<pre class="code perl"><span class="kw1">my</span> <span class="re0">$cgi</span> <span class="sy0">=</span> Lemonldap<span class="sy0">::</span><span class="me2">NG</span><span class="sy0">::</span><span class="me2">Handler</span><span class="sy0">::</span><span class="me2">CGI</span><span class="sy0">-></span><span class="kw2">new</span> <span class="br0">(</span><span class="br0">{</span><span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span>
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<span class="re0">$cgi</span><span class="sy0">-></span><span class="me1">authenticate</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span>
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<span class="re0">$cgi</span><span class="sy0">-></span><span class="me1">authorize</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span>
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<span class="sy0">...</span></pre>
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<p>
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On peut ensuite accéder aux données de l'utilisateur
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</p>
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<pre class="code perl"><span class="co1"># Obtenir des attributs (ou macros)</span>
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<span class="kw1">my</span> <span class="re0">$cn</span> <span class="sy0">=</span> <span class="re0">$cgi</span><span class="sy0">-></span><span class="me1">user</span><span class="sy0">-></span><span class="br0">{</span>cn<span class="br0">}</span>
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<span class="co1"># Tester si l'utilisateur est membre d'un groupe Lemonldap::NG (ou d'un groupe LDAP translaté)</span>
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<span class="kw1">if</span><span class="br0">(</span> <span class="re0">$cgi</span><span class="sy0">-></span><span class="me1">group</span><span class="br0">(</span><span class="st_h">'admin'</span><span class="br0">)</span> <span class="br0">)</span> <span class="br0">{</span>
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<span class="co1"># code html spécial pour les administrateurs</span>
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<span class="br0">}</span>
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<span class="kw1">else</span> <span class="br0">{</span>
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<span class="co1"># autre code HTML</span>
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<span class="br0">}</span></pre>
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<p>
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On peut tester toute <abbr title="Uniform Resource Locator">URL</abbr> pour voir si elle est protégée en utilisant testUri(). Elle retourne :
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</p>
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<ul>
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<li class="level1"><div class="li"> 1 si l'utilisateur est autorisé à y accéder</div>
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</li>
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<li class="level1"><div class="li"> 0 sinon</div>
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</li>
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<li class="level1"><div class="li"> -1 si cette <abbr title="Uniform Resource Locator">URL</abbr> n'est pas connue de la configuration de <abbr title="LemonLDAP::NG">LL::NG</abbr></div>
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</li>
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</ul>
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<pre class="code perl"><span class="kw1">if</span><span class="br0">(</span><span class="re0">$cgi</span><span class="sy0">-></span><span class="me1">testUri</span><span class="br0">(</span><span class="st_h">'http://test3.example.com/'</span><span class="br0">)</span> <span class="br0">{</span>
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<a href="http://perldoc.perl.org/functions/print.html"><span class="kw3">print</span></a> <span class="st_h">'<a href="http://test3.example.com/">click here</a>'</span><span class="sy0">;</span>
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<span class="br0">}</span></pre>
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</div>
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</div><!-- closes <div class="dokuwiki export">--></body></html> |