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<div id="ldap.examples-controls" class="section">
  <h2 class="title">Controles LDAP</h2>
  <p class="para">
   Aqui estão alguns exemplos de uso de Controles LDAP com PHP &gt;= 7.3.0.
  </p>

  <div class="example" id="example-1">
   <p><strong>Exemplo #1 Ligação com informação de políticas</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br />$user   </span><span style="color: #007700">= </span><span style="color: #DD0000">'cn=admin,dc=example,dc=com'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$passwd </span><span style="color: #007700">= </span><span style="color: #DD0000">'senhaadministrador'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$ds </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'ldap://localhost'</span><span style="color: #007700">);<br /><br />if (</span><span style="color: #0000BB">$ds</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">$r </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_bind_ext</span><span style="color: #007700">(</span><span style="color: #0000BB">$ds</span><span style="color: #007700">, </span><span style="color: #0000BB">$user</span><span style="color: #007700">, </span><span style="color: #0000BB">$passwd</span><span style="color: #007700">, [[</span><span style="color: #DD0000">'oid' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">LDAP_CONTROL_PASSWORDPOLICYREQUEST</span><span style="color: #007700">]]);<br /><br />    if (</span><span style="color: #0000BB">ldap_parse_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$ds</span><span style="color: #007700">, </span><span style="color: #0000BB">$r</span><span style="color: #007700">, </span><span style="color: #0000BB">$errcode</span><span style="color: #007700">, </span><span style="color: #0000BB">$matcheddn</span><span style="color: #007700">, </span><span style="color: #0000BB">$errmsg</span><span style="color: #007700">, </span><span style="color: #0000BB">$referrals</span><span style="color: #007700">, </span><span style="color: #0000BB">$ctrls</span><span style="color: #007700">)) {<br />        if (</span><span style="color: #0000BB">$errcode </span><span style="color: #007700">!= </span><span style="color: #0000BB">0</span><span style="color: #007700">) {<br />            die(</span><span style="color: #DD0000">"Erro: </span><span style="color: #0000BB">$errmsg</span><span style="color: #DD0000"> (</span><span style="color: #0000BB">$errcode</span><span style="color: #DD0000">)"</span><span style="color: #007700">);<br />        }<br />        if (isset(</span><span style="color: #0000BB">$ctrls</span><span style="color: #007700">[</span><span style="color: #0000BB">LDAP_CONTROL_PASSWORDPOLICYRESPONSE</span><span style="color: #007700">])) {<br />            </span><span style="color: #0000BB">$value </span><span style="color: #007700">= </span><span style="color: #0000BB">$ctrls</span><span style="color: #007700">[</span><span style="color: #0000BB">LDAP_CONTROL_PASSWORDPOLICYRESPONSE</span><span style="color: #007700">][</span><span style="color: #DD0000">'value'</span><span style="color: #007700">];<br />            echo </span><span style="color: #DD0000">"Expira em: "</span><span style="color: #007700">.</span><span style="color: #0000BB">$value</span><span style="color: #007700">[</span><span style="color: #DD0000">'expire'</span><span style="color: #007700">].</span><span style="color: #DD0000">" segundos\n"</span><span style="color: #007700">;<br />            echo </span><span style="color: #DD0000">"Número de autenticações restantes: "</span><span style="color: #007700">.</span><span style="color: #0000BB">$value</span><span style="color: #007700">[</span><span style="color: #DD0000">'grace'</span><span style="color: #007700">].</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />            if (isset(</span><span style="color: #0000BB">$value</span><span style="color: #007700">[</span><span style="color: #DD0000">'error'</span><span style="color: #007700">])) {<br />                echo </span><span style="color: #DD0000">"Código de erro da política: "</span><span style="color: #007700">.</span><span style="color: #0000BB">$value</span><span style="color: #007700">[</span><span style="color: #DD0000">'error'</span><span style="color: #007700">];<br />            }<br />        }<br />    }<br />} else {<br />    die(</span><span style="color: #DD0000">"Não foi possível conectar ao servidor LDAP"</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

  </div>

  <div class="example" id="example-2">
   <p><strong>Exemplo #2 Modifica a desencriptação somente se não estiver vazia</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">// $link é uma conexão LDAP<br /><br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_mod_replace_ext</span><span style="color: #007700">(<br />    </span><span style="color: #0000BB">$link</span><span style="color: #007700">,<br />    </span><span style="color: #DD0000">'o=test,dc=example,dc=com'</span><span style="color: #007700">,<br />    [</span><span style="color: #DD0000">'description' </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">'Nova descrição'</span><span style="color: #007700">],<br />    [<br />        [<br />            </span><span style="color: #DD0000">'oid'         </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">LDAP_CONTROL_ASSERT</span><span style="color: #007700">,<br />            </span><span style="color: #DD0000">'iscritical'  </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">TRUE</span><span style="color: #007700">,<br />            </span><span style="color: #DD0000">'value'       </span><span style="color: #007700">=&gt; [</span><span style="color: #DD0000">'filter' </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">'(!(description=*))'</span><span style="color: #007700">]<br />        ]<br />    ]<br />);<br /><br /></span><span style="color: #FF8000">// E então usa ldap_parse_result<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

  </div>

  <div class="example" id="example-3">
   <p><strong>Exemplo #3 Lendo alguns valores antes da remoção</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">// $link é uma conexão LDAP<br /><br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_delete_ext</span><span style="color: #007700">(<br />    </span><span style="color: #0000BB">$link</span><span style="color: #007700">,<br />    </span><span style="color: #DD0000">'o=test,dc=example,dc=com'</span><span style="color: #007700">,<br />    [<br />        [<br />            </span><span style="color: #DD0000">'oid'         </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">LDAP_CONTROL_PRE_READ</span><span style="color: #007700">,<br />            </span><span style="color: #DD0000">'iscritical'  </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">TRUE</span><span style="color: #007700">,<br />            </span><span style="color: #DD0000">'value'       </span><span style="color: #007700">=&gt; [</span><span style="color: #DD0000">'attrs' </span><span style="color: #007700">=&gt; [</span><span style="color: #DD0000">'o'</span><span style="color: #007700">, </span><span style="color: #DD0000">'description'</span><span style="color: #007700">]]<br />        ]<br />    ]<br />);<br /><br /></span><span style="color: #FF8000">// E então usa ldap_parse_result<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

  </div>

  <div class="example" id="example-4">
   <p><strong>Exemplo #4 Remove uma referência</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">// $link é uma conexão LDAP<br /><br />// Sem o controle o nó referenciado seria removido<br />// Certifique-se de definir o controle como crítico para evitar isso<br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_delete_ext</span><span style="color: #007700">(<br />    </span><span style="color: #0000BB">$link</span><span style="color: #007700">,<br />    </span><span style="color: #DD0000">'cn=reference,dc=example,dc=com'</span><span style="color: #007700">,<br />    [[</span><span style="color: #DD0000">'oid' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">LDAP_CONTROL_MANAGEDSAIT</span><span style="color: #007700">, </span><span style="color: #DD0000">'iscritical' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">TRUE</span><span style="color: #007700">]]<br />);<br /><br /></span><span style="color: #FF8000">// E então usa ldap_parse_result<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

  </div>

  <div class="example" id="example-5">
   <p><strong>Exemplo #5 Usa paginação para uma pesquisa</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">// $link é uma conexão LDAP<br /><br /></span><span style="color: #0000BB">$cookie </span><span style="color: #007700">= </span><span style="color: #DD0000">''</span><span style="color: #007700">;<br /><br />do {<br />    </span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_search</span><span style="color: #007700">(<br />        </span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #DD0000">'dc=example,dc=base'</span><span style="color: #007700">, </span><span style="color: #DD0000">'(cn=*)'</span><span style="color: #007700">, [</span><span style="color: #DD0000">'cn'</span><span style="color: #007700">], </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">LDAP_DEREF_NEVER</span><span style="color: #007700">,<br />        [[</span><span style="color: #DD0000">'oid' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">LDAP_CONTROL_PAGEDRESULTS</span><span style="color: #007700">, </span><span style="color: #DD0000">'value' </span><span style="color: #007700">=&gt; [</span><span style="color: #DD0000">'size' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #DD0000">'cookie' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">$cookie</span><span style="color: #007700">]]]<br />    );<br />    </span><span style="color: #0000BB">ldap_parse_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #0000BB">$result</span><span style="color: #007700">, </span><span style="color: #0000BB">$errcode </span><span style="color: #007700">, </span><span style="color: #0000BB">$matcheddn </span><span style="color: #007700">, </span><span style="color: #0000BB">$errmsg </span><span style="color: #007700">, </span><span style="color: #0000BB">$referrals</span><span style="color: #007700">, </span><span style="color: #0000BB">$controls</span><span style="color: #007700">);<br />    </span><span style="color: #FF8000">// Para deixar o exemplo curto os erros não são testados<br />    </span><span style="color: #0000BB">$entries </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_get_entries</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #0000BB">$result</span><span style="color: #007700">);<br />    foreach (</span><span style="color: #0000BB">$entries </span><span style="color: #007700">as </span><span style="color: #0000BB">$entry</span><span style="color: #007700">) {<br />        echo </span><span style="color: #DD0000">"cn: "</span><span style="color: #007700">.</span><span style="color: #0000BB">$entry</span><span style="color: #007700">[</span><span style="color: #DD0000">'cn'</span><span style="color: #007700">][</span><span style="color: #0000BB">0</span><span style="color: #007700">].</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />    }<br />    if (isset(</span><span style="color: #0000BB">$controls</span><span style="color: #007700">[</span><span style="color: #0000BB">LDAP_CONTROL_PAGEDRESULTS</span><span style="color: #007700">][</span><span style="color: #DD0000">'value'</span><span style="color: #007700">][</span><span style="color: #DD0000">'cookie'</span><span style="color: #007700">])) {<br />        </span><span style="color: #FF8000">// É necessário passar o cookie da última chamada para a próxima<br />        </span><span style="color: #0000BB">$cookie </span><span style="color: #007700">= </span><span style="color: #0000BB">$controls</span><span style="color: #007700">[</span><span style="color: #0000BB">LDAP_CONTROL_PAGEDRESULTS</span><span style="color: #007700">][</span><span style="color: #DD0000">'value'</span><span style="color: #007700">][</span><span style="color: #DD0000">'cookie'</span><span style="color: #007700">];<br />    } else {<br />        </span><span style="color: #0000BB">$cookie </span><span style="color: #007700">= </span><span style="color: #DD0000">''</span><span style="color: #007700">;<br />    }<br />    </span><span style="color: #FF8000">// Cookie vazio significa última página<br /></span><span style="color: #007700">} while (</span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$cookie</span><span style="color: #007700">) &gt; </span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
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