LDAPAccountManager/lam-web/developers/devel/mod_general.htm

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<h1>Module HowTo - General module options<br>
</h1>
<br>
<br>
<div style="text-align: left;"><br>
<h2>1. Account types<br>
</h2>
LAM currently provides three account types: <span
style="font-weight: bold;">users, groups, hosts<br>
</span>A module can manage one or more account types.<br>
<br>
The types are specified with <span style="font-weight: bold;">can_manage()</span>
or <span style="font-weight: bold;">meta['account_types']</span>.<br>
<br>
<span style="font-weight: bold; text-decoration: underline;">Example:</span><br
style="font-weight: bold; text-decoration: underline;">
<br>
Our <span style="font-style: italic;">ieee802Device</span>
module will be used only for host accounts.<br>
<br>
<table style="width: 100%; text-align: left;" class="mod-code"
border="0" cellpadding="2" cellspacing="2">
<tbody>
<tr>
<td style="vertical-align: top;">&nbsp;&nbsp;&nbsp; /**<br>
&nbsp;&nbsp;&nbsp; * Returns meta data that is interpreted by parent
class<br>
&nbsp;&nbsp;&nbsp; *<br>
&nbsp;&nbsp;&nbsp; * @return array array with meta data<br>
&nbsp;&nbsp;&nbsp; */<br>
&nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">function</span>
get_metaData() {<br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; $return = array();<br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; // manages host accounts<br>
<span style="color: rgb(255, 0, 0);">&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp; $return["account_types"] = array("host");</span><br
style="color: rgb(255, 0, 0);">
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; return $return;<br>
&nbsp;&nbsp;&nbsp; }<br>
</td>
</tr>
</tbody>
</table>
<br>
<br>
<h2>2. Base modules<br>
</h2>
In LDAP every entry needs exactly one <span style="font-style: italic;">structural
object class</span>. Therefore all modules which provide a <span
style="font-style: italic;">structural object class</span> are marked
as <span style="font-weight: bold;">base module</span>.<br>
<br>
This is done with <span style="font-weight: bold;">is_base_module()</span>
or <span style="font-weight: bold;">meta['is_base']</span>.<br>
<br>
<span style="font-weight: bold; text-decoration: underline;">Example:</span><br
style="font-weight: bold; text-decoration: underline;">
<br>
The <span style="font-style: italic;">inetOrgPerson</span>
module manages the structural object class "inetOrgPerson" and
therefore is a <span style="font-weight: bold;">base module</span>.<br>
If your module is not a base module you can skip the meta data for
this, default is <span style="font-style: italic;">false</span>.<br>
<br>
<table style="width: 100%; text-align: left;" class="mod-code"
border="0" cellpadding="2" cellspacing="2">
<tbody>
<tr>
<td style="vertical-align: top;">&nbsp;&nbsp;&nbsp; /**<br>
&nbsp;&nbsp;&nbsp; * Returns meta data that is interpreted by parent
class<br>
&nbsp;&nbsp;&nbsp; *<br>
&nbsp;&nbsp;&nbsp; * @return array array with meta data<br>
&nbsp;&nbsp;&nbsp; */<br>
&nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">function</span>
get_metaData() {<br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; $return = array();<br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; // base module<br>
<span style="color: rgb(255, 0, 0);">&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp; $return["is_base"] = true;</span><br
style="color: rgb(255, 0, 0);">
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; return $return;<br>
&nbsp;&nbsp;&nbsp; }<br>
</td>
</tr>
</tbody>
</table>
<br>
<br>
<h2>3. Alias name</h2>
The module name is very limited, therefore every module has an <span
style="font-style: italic;">alias name</span>. This <span
style="font-style: italic;">alias name</span> has no limitations and
can be translated. It may contain special characters but make sure that
it does not contain HTML special characters like "&lt;".<br>
The <span style="font-style: italic;">alias name </span>can be the
same for all managed <span style="font-style: italic;">account types</span>
or differ for each type.<br>
<br>
The <span style="font-style: italic;">alias name</span> is specified
with <span style="font-weight: bold;">get_alias()</span>
or <span style="font-weight: bold;">meta['alias']</span>.<br>
<br>
<span style="font-weight: bold; text-decoration: underline;">Example:</span><br
style="font-weight: bold; text-decoration: underline;">
<br>
Our <span style="font-style: italic;">ieee802Device</span>
module will get the alias MAC address.<br>
<br>
<table style="width: 100%; text-align: left;" class="mod-code"
border="0" cellpadding="2" cellspacing="2">
<tbody>
<tr>
<td style="vertical-align: top;">&nbsp;&nbsp;&nbsp; /**<br>
&nbsp;&nbsp;&nbsp; * Returns meta data that is interpreted by parent
class<br>
&nbsp;&nbsp;&nbsp; *<br>
&nbsp;&nbsp;&nbsp; * @return array array with meta data<br>
&nbsp;&nbsp;&nbsp; */<br>
&nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">function</span>
get_metaData() {<br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; $return = array();<br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; // manages host accounts<br>
<span style="color: rgb(255, 0, 0);">&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp; </span>$return["account_types"] = array("host");<br
style="color: rgb(255, 0, 0);">
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; // alias name<br>
<span style="color: rgb(255, 0, 0);">&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp; &nbsp;$return["alias"] = _("MAC address");</span><br
style="color: rgb(255, 0, 0);">
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; return $return;<br>
&nbsp;&nbsp;&nbsp; }<br>
</td>
</tr>
</tbody>
</table>
<br>
<br>
<h2>4. Dependencies</h2>
Modules can depend on eachother. This is useful if you need to access
attributes from other modules or the managed object classes of your
module are not structural.<br>
<br>
The dependencies are specified with <span style="font-weight: bold;">get_dependencies()</span>
or <span style="font-weight: bold;">meta['dependencies']</span>.<br>
<br>
<span style="font-weight: bold; text-decoration: underline;">Example:</span><br
style="font-weight: bold; text-decoration: underline;">
<br>
Our <span style="font-style: italic;">ieee802Device</span>
module depends on the account module (because it is the only structural
module at this time).<br>
<br>
<table style="width: 100%; text-align: left;" class="mod-code"
border="0" cellpadding="2" cellspacing="2">
<tbody>
<tr>
<td style="vertical-align: top;">&nbsp;&nbsp;&nbsp; /**<br>
&nbsp;&nbsp;&nbsp; * Returns meta data that is interpreted by parent
class<br>
&nbsp;&nbsp;&nbsp; *<br>
&nbsp;&nbsp;&nbsp; * @return array array with meta data<br>
&nbsp;&nbsp;&nbsp; */<br>
&nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">function</span>
get_metaData() {<br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; $return = array();<br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; // manages host accounts<br>
<span style="color: rgb(255, 0, 0);">&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp; </span>$return["account_types"] = array("host");<br
style="color: rgb(255, 0, 0);">
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; // alias name<br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp; &nbsp;$return["alias"] = _("MAC
address");<br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; // module dependencies<br>
<span style="color: rgb(255, 0, 0);">&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp; &nbsp;$return['dependencies'] = array('depends' =&gt;
array('account'), 'conflicts' =&gt; array());</span><br
style="color: rgb(255, 0, 0);">
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; return $return;<br>
&nbsp;&nbsp;&nbsp; }<br>
</td>
</tr>
</tbody>
</table>
<br>
<br>
<h2>5. Messages</h2>
There are many situations where you will display messages to the user.
The modules should define such messages at a common place to make it
easier to modify them without searching the complete file.<br>
The <span style="font-style: italic;">baseModule</span> offers the $<span
style="font-weight: bold;">messages</span> variable for this. It
should be filled by a function called <span style="font-weight: bold;">load_Messages()</span>.<br>
The <span style="font-style: italic;">baseModule</span> will
automatically check if you have implemented this function and call it
at construction time.<br>
<br>
<span style="font-weight: bold; text-decoration: underline;">Example:</span><br
style="font-weight: bold; text-decoration: underline;">
<br>
Now let our <span style="font-style: italic;">ieee802Device</span>
module define a message.<br>
<br>
<table style="width: 100%; text-align: left;" class="mod-code"
border="0" cellpadding="2" cellspacing="2">
<tbody>
<tr>
<td style="vertical-align: top;">&nbsp;&nbsp;&nbsp; /**<br>
&nbsp;&nbsp;&nbsp; * This function fills the error message array with
messages<br>
&nbsp;&nbsp;&nbsp; */<br>
&nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">function</span> <span
style="color: rgb(255, 0, 0);">load_Messages</span>() {<br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; $this-&gt;messages['mac'][0] =
array('ERROR', 'MAC address is invalid!');&nbsp; // third array value
is set dynamically<br>
&nbsp;&nbsp;&nbsp; }<br>
</td>
</tr>
</tbody>
</table>
<br>
<br>
<h2><br>
</h2>
<h2></h2>
<br>
<br>
<span style="font-weight: bold;"></span>
<h2><span style="font-weight: bold;"></span></h2>
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