315 lines
13 KiB
HTML
315 lines
13 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<title>Module HowTo - Account pages</title>
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<link rel="stylesheet" type="text/css" href="style/layout.css">
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</head>
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<body>
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<div style="text-align: center;">
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<h1>Module HowTo - Account pages<br>
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</h1>
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<br>
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<br>
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<div style="text-align: left;"><br>
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<h2>1. Defining pages<br>
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</h2>
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You can define multiple subpages for your account page. Usually one
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page is enough but you may display certain attribute settings on an
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extra page (e.g. Unix group memberships are on a second page).<br>
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<br>
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The page names are set by <span style="font-weight: bold;">pages() </span>which
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returns an array of names.<br>
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<br>
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<span style="font-weight: bold; text-decoration: underline;">Example:</span><br
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style="font-weight: bold; text-decoration: underline;">
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<br>
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The
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<span style="font-style: italic;">ieee802Device</span>
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module needs only one page which is called <span
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style="font-style: italic;">'attributes'</span>.<br>
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<br>
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<table style="width: 100%; text-align: left;" class="mod-code"
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border="0" cellpadding="2" cellspacing="2">
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<tbody>
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<tr>
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<td style="vertical-align: top;"> /**<br>
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* This function returns a list of all account pages
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in this module.<br>
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*/<br>
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<span style="font-weight: bold;">function</span> <span
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style="color: rgb(255, 0, 0);">pages</span>() {<br>
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return array('attributes');<br>
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}<br>
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</td>
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</tr>
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</tbody>
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</table>
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<br>
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<br>
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<h2>2. Page display</h2>
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Now that you have defined your subpages you will need one function for
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each page to display it. The function must return <span
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style="font-style: italic;">meta HTML code</span> as defined in the <span
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style="font-style: italic;">modules specification</span>.<br>
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This function is called <span style="font-weight: bold;">display_html_<page
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name>()</span> where <span style="font-style: italic;"><page
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name></span> is the name of your subpage.<br>
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<br>
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<span style="font-weight: bold; text-decoration: underline;">Example:</span><br
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style="font-weight: bold; text-decoration: underline;">
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<br>
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The
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<span style="font-style: italic;">ieee802Device</span>
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module has only one subpage called <span style="font-style: italic;">'attributes'</span>.<br>
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<br>
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The first half of the code displays the existing MAC addresses and the
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second an input field for new values.<br>
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The variable <span style="font-style: italic;">$this->attributes</span>
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contains all LDAP attributes of an account.<br>
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<br>
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<table style="width: 100%; text-align: left;" class="mod-code"
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border="0" cellpadding="2" cellspacing="2">
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<tbody>
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<tr>
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<td style="vertical-align: top;"> /**<br>
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* This function will create the meta HTML code to
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show a page with all attributes.<br>
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*<br>
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* @param array $post HTTP-POST values<br>
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*/<br>
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<span style="font-weight: bold;">function</span> <span
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style="color: rgb(255, 0, 0);">display_html_attributes</span>($post) {<br>
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$return = array();<br>
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// list current MACs<br>
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for ($i = 0; $i <
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sizeof($this->attributes['macAddress']); $i++) {<br>
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$return[] =
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array(<br>
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0 => array('kind' => 'text', 'text' =>
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_('MAC address')),<br>
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1 => array('kind' => 'input', 'name' =>
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'macAddress' . $i, 'type' => 'text', 'size' => '17', 'maxlength'
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=> '17', 'value' => $this->attributes['macAddress'][$i]),<br>
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2 => array('kind' => 'input', 'type' =>
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'submit', 'name' => 'delMAC' . $i, 'value' => _("Remove")),<br>
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3 => array('kind' => 'help', 'value' =>
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'mac'));<br>
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}<br>
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// input box for new MAC<br>
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$return[] = array(<br>
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0 =>
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array('kind' => 'text', 'text' => _('New MAC address')),<br>
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1 =>
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array('kind' => 'input', 'name' => 'macAddress', 'type' =>
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'text', 'size' => '17', 'maxlength' => '17', 'value' => ''),<br>
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2 =>
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array('kind' => 'input', 'type' => 'submit', 'name' =>
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'addMAC', 'value' => _("Add")),<br>
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3 =>
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array('kind' => 'help', 'value' => 'mac'),<br>
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4 =>
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array('kind' => 'input', 'type' => 'hidden', 'value' =>
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sizeof($this->attributes['macAddress']), 'name' => 'mac_number'));<br>
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return $return;<br>
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}<br>
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</td>
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</tr>
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</tbody>
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</table>
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<br>
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<br>
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<h2>3. Processing input data<br>
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</h2>
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Every time the user clicks on a submit button while your page is
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displayed LAM will call a function in your module.<br>
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This function is called <span style="font-weight: bold;">process_<page
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name>()</span> where <span style="font-style: italic;"><page
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name></span> is the name of your subpage.<br>
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<br>
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<span style="font-weight: bold; text-decoration: underline;">Example:</span><br
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style="font-weight: bold; text-decoration: underline;">
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<br>
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The
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<span style="font-style: italic;">ieee802Device</span>
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module has only one subpage called <span style="font-style: italic;">'attributes'</span>
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and therefore only <span style="font-style: italic;">process_attributes()</span>.<br>
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<br>
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The function checks the input fields and fills the LDAP attributes. If
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all is ok it will enable the user to move to another module page.<br>
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<br>
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<table style="width: 100%; text-align: left;" class="mod-code"
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border="0" cellpadding="2" cellspacing="2">
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<tbody>
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<tr>
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<td style="vertical-align: top;"> /**<br>
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* Write variables into object and do some regex
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checks<br>
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*<br>
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* @param array $post HTTP-POST values<br>
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*/<br>
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<span style="font-weight: bold;">function</span> <span
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style="color: rgb(255, 0, 0);">proccess_attributes</span>($post) {<br>
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$this->triggered_messages =
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array();<br>
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$this->attributes['macAddress'] = array();<br>
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// check old MACs<br>
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if (isset($post['mac_number'])) {<br>
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for ($i = 0;
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$i < $post['mac_number']; $i++) {<br>
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if (isset($post['delMAC' . $i])) continue;<br>
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if (isset($post['macAddress' . $i]) &&
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($post['macAddress' . $i] != "")) {<br>
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// check if address has correct
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format<br>
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if (!get_preg($post['macAddress'
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. $i], 'macAddress')) {<br>
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$message =
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$this->messages['mac'][0];<br>
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$message[] =
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$post['macAddress' . $i];<br>
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$this->triggered_messages[] = array($message);<br>
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}<br>
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$this->attributes['macAddress'][] = $post['macAddress' . $i];<br>
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}<br>
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}<br>
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}<br>
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// check new MAC<br>
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if (isset($post['macAddress'])
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&& ($post['macAddress'] != "")) {<br>
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// check if
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address has correct format<br>
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if
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(get_preg($post['macAddress'], 'macAddress')) {<br>
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$this->attributes['macAddress'][] =
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$post['macAddress'];<br>
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}<br>
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else {<br>
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$message =
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$this->messages['mac'][0];<br>
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$message[] = $post['macAddress'];<br>
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$this->triggered_messages[] =
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array($message);<br>
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}<br>
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}<br>
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$this->attributes['macAddress'] =
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array_unique($this->attributes['macAddress']);<br>
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if
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(sizeof($this->triggered_messages) > 0) {<br>
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$this->inputCorrect = false;<br>
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return
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$this->triggered_messages;<br>
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}<br>
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else {<br>
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$this->inputCorrect = true;<br>
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return 0;<br>
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}<br>
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}<br>
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</td>
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</tr>
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</tbody>
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</table>
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<br>
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<br>
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<h2>4. Defining that your module is ready for LDAP add/modify</h2>
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Before a new account can be created or modified all modules are asked
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if they are ready.<br>
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There are two functions which control the module status. The <span
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style="font-weight: bold;">module_ready()</span> function has to
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return <span style="font-style: italic;">true</span> if the user may
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move to another module page. If it is <span style="font-style: italic;">false</span>
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the user will be redirected to your module page. The second function is
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<span style="font-weight: bold;">module_complete()</span>. The user
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cannot do the LDAP operation if one or modules return <span
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style="font-style: italic;">false</span>.<br>
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<br>
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<span style="font-weight: bold; text-decoration: underline;">Example:</span><br
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style="font-weight: bold; text-decoration: underline;">
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<br>
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The
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<span style="font-style: italic;">ieee802Device</span>
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module uses a global variable to store the status: <span
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style="font-style: italic;">$this->inputCorrect</span>. It is set
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in <span style="font-style: italic;">process_attributes()</span>. The
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variable can be preset to <span style="font-style: italic;">true</span>
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because the MAC address is optional.<br>
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<br>
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<table style="width: 100%; text-align: left;" class="mod-code"
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border="0" cellpadding="2" cellspacing="2">
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<tbody>
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<tr>
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<td style="vertical-align: top;"> /** used for
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account pages, true if input data is correct */<br>
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var $inputCorrect = true;<br>
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<br>
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/**<br>
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* This function returns true if all needed settings
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are done.<br>
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*/<br>
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function module_complete() {<br>
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return $this->inputCorrect;<br>
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}<br>
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<br>
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/**<br>
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* Returns true if all settings on module page are
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correct.<br>
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*/<br>
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function module_ready() {<br>
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return $this->inputCorrect;<br>
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}<br>
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</td>
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</tr>
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</tbody>
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</table>
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<br>
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<br>
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<h2>5. Saving the LDAP attributes<br>
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</h2>
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<br>
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<br>
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<span style="font-weight: bold; text-decoration: underline;">Example:</span><br
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style="font-weight: bold; text-decoration: underline;">
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<br>
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<br>
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<br>
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<table style="width: 100%; text-align: left;" class="mod-code"
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border="0" cellpadding="2" cellspacing="2">
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<tbody>
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<tr>
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<td style="vertical-align: top;"> <br>
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</td>
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</tr>
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</tbody>
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</table>
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<br>
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<br>
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<span style="font-weight: bold;"></span>
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<h2><span style="font-weight: bold;"></span></h2>
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</div>
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</div>
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</body>
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</html>
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