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Module: Metasploit::Framework::Require
&mdash; Documentation by YARD 0.9.37
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<a href="../../_index.html">Index (R)</a> &raquo;
<span class='title'><span class='object_link'><a href="../../Metasploit.html" title="Metasploit (module)">Metasploit</a></span></span> &raquo; <span class='title'><span class='object_link'><a href="../Framework.html" title="Metasploit::Framework (module)">Framework</a></span></span>
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<div id="content"><h1>Module: Metasploit::Framework::Require
</h1>
<div class="box_info">
<dl>
<dt>Included in:</dt>
<dd><span class='object_link'><a href="../../Msf/Auxiliary/Report.html" title="Msf::Auxiliary::Report (module)">Msf::Auxiliary::Report</a></span>, <span class='object_link'><a href="../../Msf/DBManager.html" title="Msf::DBManager (class)">Msf::DBManager</a></span></dd>
</dl>
<dl>
<dt>Defined in:</dt>
<dd>lib/metasploit/framework/require.rb</dd>
</dl>
</div>
<h2>Overview</h2><div class="docstring">
<div class="discussion">
<p>Extension to ‘Kernel#require` behavior.</p>
</div>
</div>
<div class="tags">
</div>
<h2>
Class Method Summary
<small><a href="#" class="summary_toggle">collapse</a></small>
</h2>
<ul class="summary">
<li class="public ">
<span class="summary_signature">
<a href="#optionally-class_method" title="optionally (class method)">.<strong>optionally</strong>(name, without_warning) { ... } &#x21d2; void </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Tries to require ‘name`.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#optionally_active_record_railtie-class_method" title="optionally_active_record_railtie (class method)">.<strong>optionally_active_record_railtie</strong> &#x21d2; void </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Tries to ‘require ’active_record/railtie’‘ to define the activerecord Rails initializers and rake tasks.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#optionally_include_metasploit_credential_creation-class_method" title="optionally_include_metasploit_credential_creation (class method)">.<strong>optionally_include_metasploit_credential_creation</strong>(including_module) &#x21d2; void </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Tries to ‘require ’metasploit/credential’‘ and include `Metasploit::Credential::Creation` in the `including_module`.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#optionally_require_metasploit_db_gem_engines-class_method" title="optionally_require_metasploit_db_gem_engines (class method)">.<strong>optionally_require_metasploit_db_gem_engines</strong> &#x21d2; void </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Tries to require gems necessary for using a database with the framework.</p>
</div></span>
</li>
</ul>
<h2>
Instance Method Summary
<small><a href="#" class="summary_toggle">collapse</a></small>
</h2>
<ul class="summary">
<li class="public ">
<span class="summary_signature">
<a href="#optionally_include_metasploit_credential_creation-instance_method" title="#optionally_include_metasploit_credential_creation (instance method)">#<strong>optionally_include_metasploit_credential_creation</strong> &#x21d2; void </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Tries to ‘require ’metasploit/credential/creation’‘ and include it in this `Class` or `Module`.</p>
</div></span>
</li>
</ul>
<div id="class_method_details" class="method_details_list">
<h2>Class Method Details</h2>
<div class="method_details first">
<h3 class="signature first" id="optionally-class_method">
.<strong>optionally</strong>(name, without_warning) { ... } &#x21d2; <tt>void</tt>
</h3><div class="docstring">
<div class="discussion">
<p class="note returns_void">This method returns an undefined value.</p>
<p>Tries to require ‘name`. If a `LoadError` occurs, then `without_warning` is printed to standard error using `Kernel#warn`, along with instructions for reinstalling the bundle. If a `LoadError` does not occur, then `with_block` is called.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>name</span>
<span class='type'>(<tt>String</tt>)</span>
&mdash;
<div class='inline'>
<p>the name of the library to ‘Kernel#require`.</p>
</div>
</li>
<li>
<span class='name'>without_warning</span>
<span class='type'>(<tt>String</tt>)</span>
&mdash;
<div class='inline'>
<p>warning to print if ‘name` cannot be required.</p>
</div>
</li>
</ul>
<p class="tag_title">Yields:</p>
<ul class="yield">
<li>
<span class='type'></span>
<div class='inline'>
<p>block to run when ‘name` requires successfully</p>
</div>
</li>
</ul>
<p class="tag_title">Yield Returns:</p>
<ul class="yieldreturn">
<li>
<span class='type'>(<tt>void</tt>)</span>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
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</td>
<td>
<pre class="code"><span class="info file"># File 'lib/metasploit/framework/require.rb', line 20</span>
<span class='kw'>def</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_optionally'>optionally</span><span class='lparen'>(</span><span class='id identifier rubyid_name'>name</span><span class='comma'>,</span> <span class='id identifier rubyid_without_warning'>without_warning</span><span class='rparen'>)</span>
<span class='kw'>begin</span>
<span class='id identifier rubyid_require'>require</span> <span class='id identifier rubyid_name'>name</span>
<span class='kw'>rescue</span> <span class='const'>LoadError</span>
<span class='id identifier rubyid_warn'>warn</span> <span class='id identifier rubyid_without_warning'>without_warning</span>
<span class='id identifier rubyid_warn'>warn</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>Bundle installed &#39;--without </span><span class='embexpr_beg'>#{</span><span class='const'>Bundler</span><span class='period'>.</span><span class='id identifier rubyid_settings'>settings</span><span class='period'>.</span><span class='id identifier rubyid_without'>without</span><span class='period'>.</span><span class='id identifier rubyid_join'>join</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'> </span><span class='tstring_end'>&#39;</span></span><span class='rparen'>)</span><span class='embexpr_end'>}</span><span class='tstring_content'>&#39;</span><span class='tstring_end'>&quot;</span></span>
<span class='id identifier rubyid_warn'>warn</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>To clear the without option do `bundle install --without &#39;&#39;` </span><span class='tstring_end'>&quot;</span></span> \
<span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>(the --without flag with an empty string) or </span><span class='tstring_end'>&quot;</span></span> \
<span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>`rm -rf .bundle` to remove the .bundle/config manually and </span><span class='tstring_end'>&quot;</span></span> \
<span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>then `bundle install`</span><span class='tstring_end'>&quot;</span></span>
<span class='kw'>else</span>
<span class='kw'>if</span> <span class='id identifier rubyid_block_given?'>block_given?</span>
<span class='kw'>yield</span>
<span class='kw'>end</span>
<span class='kw'>end</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="optionally_active_record_railtie-class_method">
.<strong>optionally_active_record_railtie</strong> &#x21d2; <tt>void</tt>
</h3><div class="docstring">
<div class="discussion">
<p class="note returns_void">This method returns an undefined value.</p>
<p>Tries to ‘require ’active_record/railtie’‘ to define the activerecord Rails initializers and rake tasks.</p>
</div>
</div>
<div class="tags">
<div class="examples">
<h4 class="tag_title">Examples:</h4>
<h5 class="example_title"><div class='inline'>
<p>Optionally requiring ‘active_record/railtie’</p>
</div></h5>
<pre class="example code"><code><span class='id identifier rubyid_require'>require</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>metasploit/framework/require</span><span class='tstring_end'>&#39;</span></span>
<span class='kw'>class</span> <span class='const'>MyClass</span>
<span class='kw'>def</span> <span class='id identifier rubyid_setup'>setup</span>
<span class='kw'>if</span> <span class='id identifier rubyid_database_enabled'>database_enabled</span>
<span class='const'><span class='object_link'><a href="../../Metasploit.html" title="Metasploit (module)">Metasploit</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="../Framework.html" title="Metasploit::Framework (module)">Framework</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="" title="Metasploit::Framework::Require (module)">Require</a></span></span><span class='period'>.</span><span class='id identifier rubyid_optionally_active_record_railtie'>optionally_active_record_railtie</span>
<span class='kw'>end</span>
<span class='kw'>end</span>
<span class='kw'>end</span></code></pre>
</div>
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<pre class="code"><span class="info file"># File 'lib/metasploit/framework/require.rb', line 51</span>
<span class='kw'>def</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_optionally_active_record_railtie'>optionally_active_record_railtie</span>
<span class='kw'>if</span> <span class='op'>::</span><span class='const'>Rails</span><span class='period'>.</span><span class='id identifier rubyid_application'>application</span><span class='period'>.</span><span class='id identifier rubyid_config'>config</span><span class='period'>.</span><span class='id identifier rubyid_paths'>paths</span><span class='lbracket'>[</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>config/database</span><span class='tstring_end'>&#39;</span></span><span class='rbracket'>]</span><span class='period'>.</span><span class='id identifier rubyid_any?'>any?</span>
<span class='id identifier rubyid_optionally'>optionally</span><span class='lparen'>(</span>
<span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>active_record/railtie</span><span class='tstring_end'>&#39;</span></span><span class='comma'>,</span>
<span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>activerecord not in the bundle, so database support will be disabled.</span><span class='tstring_end'>&#39;</span></span>
<span class='rparen'>)</span>
<span class='kw'>else</span>
<span class='id identifier rubyid_warn'>warn</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>Could not find database.yml, so database support will be disabled.</span><span class='tstring_end'>&#39;</span></span>
<span class='kw'>end</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="optionally_include_metasploit_credential_creation-class_method">
.<strong>optionally_include_metasploit_credential_creation</strong>(including_module) &#x21d2; <tt>void</tt>
</h3><div class="docstring">
<div class="discussion">
<p class="note returns_void">This method returns an undefined value.</p>
<p>Tries to ‘require ’metasploit/credential’‘ and include `Metasploit::Credential::Creation` in the `including_module`.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>including_module</span>
<span class='type'>(<tt>Module</tt>)</span>
&mdash;
<div class='inline'>
<p>‘Class` or `Module` that wants to `include Metasploit::Credential::Creation`.</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
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<td>
<pre class="code"><span class="info file"># File 'lib/metasploit/framework/require.rb', line 67</span>
<span class='kw'>def</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_optionally_include_metasploit_credential_creation'>optionally_include_metasploit_credential_creation</span><span class='lparen'>(</span><span class='id identifier rubyid_including_module'>including_module</span><span class='rparen'>)</span>
<span class='id identifier rubyid_optionally'>optionally</span><span class='lparen'>(</span>
<span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>metasploit/credential</span><span class='tstring_end'>&#39;</span></span><span class='comma'>,</span>
<span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>metasploit-credential not in the bundle, so Metasploit::Credential creation will fail for </span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_including_module'>including_module</span><span class='period'>.</span><span class='id identifier rubyid_name'>name</span><span class='embexpr_end'>}</span><span class='tstring_end'>&quot;</span></span>
<span class='rparen'>)</span> <span class='kw'>do</span>
<span class='id identifier rubyid_including_module'>including_module</span><span class='period'>.</span><span class='id identifier rubyid_send'>send</span><span class='lparen'>(</span><span class='symbol'>:include</span><span class='comma'>,</span> <span class='const'><span class='object_link'><a href="../../Metasploit.html" title="Metasploit (module)">Metasploit</a></span></span><span class='op'>::</span><span class='const'>Credential</span><span class='op'>::</span><span class='const'>Creation</span><span class='rparen'>)</span>
<span class='kw'>end</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="optionally_require_metasploit_db_gem_engines-class_method">
.<strong>optionally_require_metasploit_db_gem_engines</strong> &#x21d2; <tt>void</tt>
</h3><div class="docstring">
<div class="discussion">
<p class="note returns_void">This method returns an undefined value.</p>
<p>Tries to require gems necessary for using a database with the framework.</p>
</div>
</div>
<div class="tags">
<div class="examples">
<h4 class="tag_title">Examples:</h4>
<pre class="example code"><code><span class='const'><span class='object_link'><a href="../../Metasploit.html" title="Metasploit (module)">Metasploit</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="../Framework.html" title="Metasploit::Framework (module)">Framework</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="" title="Metasploit::Framework::Require (module)">Require</a></span></span><span class='period'>.</span><span class='id identifier rubyid_optionally_require_metasploit_db_gems'>optionally_require_metasploit_db_gems</span></code></pre>
</div>
</div><table class="source_code">
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<pre class="code"><span class="info file"># File 'lib/metasploit/framework/require.rb', line 82</span>
<span class='kw'>def</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_optionally_require_metasploit_db_gem_engines'>optionally_require_metasploit_db_gem_engines</span>
<span class='id identifier rubyid_optionally'>optionally</span><span class='lparen'>(</span>
<span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>metasploit/credential</span><span class='tstring_end'>&#39;</span></span><span class='comma'>,</span>
<span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>metasploit-credential not in the bundle</span><span class='tstring_end'>&#39;</span></span><span class='comma'>,</span>
<span class='rparen'>)</span> <span class='kw'>do</span>
<span class='id identifier rubyid_require'>require</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>metasploit/credential/engine</span><span class='tstring_end'>&#39;</span></span>
<span class='kw'>end</span>
<span class='id identifier rubyid_optionally'>optionally</span><span class='lparen'>(</span>
<span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>metasploit_data_models</span><span class='tstring_end'>&#39;</span></span><span class='comma'>,</span>
<span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>metasploit_data_models not in the bundle</span><span class='tstring_end'>&#39;</span></span>
<span class='rparen'>)</span> <span class='kw'>do</span>
<span class='id identifier rubyid_require'>require</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>metasploit_data_models/engine</span><span class='tstring_end'>&#39;</span></span>
<span class='kw'>end</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
</div>
<div id="instance_method_details" class="method_details_list">
<h2>Instance Method Details</h2>
<div class="method_details first">
<h3 class="signature first" id="optionally_include_metasploit_credential_creation-instance_method">
#<strong>optionally_include_metasploit_credential_creation</strong> &#x21d2; <tt>void</tt>
</h3><div class="docstring">
<div class="discussion">
<p class="note returns_void">This method returns an undefined value.</p>
<p>Tries to ‘require ’metasploit/credential/creation’‘ and include it in this `Class` or `Module`.</p>
</div>
</div>
<div class="tags">
<div class="examples">
<h4 class="tag_title">Examples:</h4>
<h5 class="example_title"><div class='inline'>
<p>Using in a ‘Module`</p>
</div></h5>
<pre class="example code"><code><span class='id identifier rubyid_require'>require</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>metasploit/framework/require</span><span class='tstring_end'>&#39;</span></span>
<span class='kw'>module</span> <span class='const'>MyModule</span>
<span class='id identifier rubyid_extend'>extend</span> <span class='const'><span class='object_link'><a href="../../Metasploit.html" title="Metasploit (module)">Metasploit</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="../Framework.html" title="Metasploit::Framework (module)">Framework</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="" title="Metasploit::Framework::Require (module)">Require</a></span></span>
<span class='id identifier rubyid_optionally_include_metasploit_credential_creation'>optionally_include_metasploit_credential_creation</span>
<span class='kw'>end</span></code></pre>
</div>
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<pre class="code"><span class="info file"># File 'lib/metasploit/framework/require.rb', line 114</span>
<span class='kw'>def</span> <span class='id identifier rubyid_optionally_include_metasploit_credential_creation'>optionally_include_metasploit_credential_creation</span>
<span class='const'><span class='object_link'><a href="../../Metasploit.html" title="Metasploit (module)">Metasploit</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="../Framework.html" title="Metasploit::Framework (module)">Framework</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="" title="Metasploit::Framework::Require (module)">Require</a></span></span><span class='period'>.</span><span class='id identifier rubyid_optionally_include_metasploit_credential_creation'><span class='object_link'><a href="#optionally_include_metasploit_credential_creation-class_method" title="Metasploit::Framework::Require.optionally_include_metasploit_credential_creation (method)">optionally_include_metasploit_credential_creation</a></span></span><span class='lparen'>(</span><span class='kw'>self</span><span class='rparen'>)</span>
<span class='kw'>end</span></pre>
</td>
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</table>
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<div id="footer">
Generated on Fri May 8 17:02:52 2026 by
<a href="https://yardoc.org" title="Yay! A Ruby Documentation Tool" target="_parent">yard</a>
0.9.37 (ruby-3.1.5).
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