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<h1>Source code for Bcfg2.Server.Plugins.Cfg.CfgEncryptedGenerator</h1><div class="highlight"><pre>
<span class="sd">""" CfgEncryptedGenerator lets you encrypt your plaintext</span>
<span class="sd">:ref:`server-plugins-generators-cfg` files on the server. """</span>
<span class="kn">from</span> <span class="nn">Bcfg2.Server.Plugin</span> <span class="kn">import</span> <span class="n">PluginExecutionError</span>
<span class="kn">from</span> <span class="nn">Bcfg2.Server.Plugins.Cfg</span> <span class="kn">import</span> <span class="n">CfgGenerator</span><span class="p">,</span> <span class="n">SETUP</span>
<span class="k">try</span><span class="p">:</span>
<span class="kn">from</span> <span class="nn">Bcfg2.Encryption</span> <span class="kn">import</span> <span class="n">bruteforce_decrypt</span><span class="p">,</span> <span class="n">EVPError</span><span class="p">,</span> \
<span class="n">get_algorithm</span>
<span class="n">HAS_CRYPTO</span> <span class="o">=</span> <span class="bp">True</span>
<span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span>
<span class="n">HAS_CRYPTO</span> <span class="o">=</span> <span class="bp">False</span>
<div class="viewcode-block" id="CfgEncryptedGenerator"><a class="viewcode-back" href="../../../../../development/cfg.html#Bcfg2.Server.Plugins.Cfg.CfgEncryptedGenerator.CfgEncryptedGenerator">[docs]</a><span class="k">class</span> <span class="nc">CfgEncryptedGenerator</span><span class="p">(</span><span class="n">CfgGenerator</span><span class="p">):</span>
<span class="sd">""" CfgEncryptedGenerator lets you encrypt your plaintext</span>
<span class="sd"> :ref:`server-plugins-generators-cfg` files on the server. """</span>
<span class="c">#: Handle .crypt files</span>
<span class="n">__extensions__</span> <span class="o">=</span> <span class="p">[</span><span class="s">"crypt"</span><span class="p">]</span>
<span class="c">#: Low priority to avoid matching host- or group-specific</span>
<span class="c">#: .genshi.crypt and .cheetah.crypt files</span>
<span class="n">__priority__</span> <span class="o">=</span> <span class="mi">50</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">fname</span><span class="p">,</span> <span class="n">spec</span><span class="p">,</span> <span class="n">encoding</span><span class="p">):</span>
<span class="n">CfgGenerator</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">fname</span><span class="p">,</span> <span class="n">spec</span><span class="p">,</span> <span class="n">encoding</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">HAS_CRYPTO</span><span class="p">:</span>
<span class="k">raise</span> <span class="n">PluginExecutionError</span><span class="p">(</span><span class="s">"M2Crypto is not available"</span><span class="p">)</span>
<span class="n">__init__</span><span class="o">.</span><span class="n">__doc__</span> <span class="o">=</span> <span class="n">CfgGenerator</span><span class="o">.</span><span class="n">__init__</span><span class="o">.</span><span class="n">__doc__</span>
<div class="viewcode-block" id="CfgEncryptedGenerator.handle_event"><a class="viewcode-back" href="../../../../../development/cfg.html#Bcfg2.Server.Plugins.Cfg.CfgEncryptedGenerator.CfgEncryptedGenerator.handle_event">[docs]</a> <span class="k">def</span> <span class="nf">handle_event</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
<span class="n">CfgGenerator</span><span class="o">.</span><span class="n">handle_event</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">)</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span> <span class="ow">is</span> <span class="bp">None</span><span class="p">:</span>
<span class="k">return</span>
<span class="c"># todo: let the user specify a passphrase by name</span>
<span class="k">try</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">data</span> <span class="o">=</span> <span class="n">bruteforce_decrypt</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="p">,</span> <span class="n">setup</span><span class="o">=</span><span class="n">SETUP</span><span class="p">,</span>
<span class="n">algorithm</span><span class="o">=</span><span class="n">get_algorithm</span><span class="p">(</span><span class="n">SETUP</span><span class="p">))</span>
<span class="k">except</span> <span class="n">EVPError</span><span class="p">:</span>
<span class="k">raise</span> <span class="n">PluginExecutionError</span><span class="p">(</span><span class="s">"Failed to decrypt </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">)</span></div>
<span class="n">handle_event</span><span class="o">.</span><span class="n">__doc__</span> <span class="o">=</span> <span class="n">CfgGenerator</span><span class="o">.</span><span class="n">handle_event</span><span class="o">.</span><span class="n">__doc__</span>
<div class="viewcode-block" id="CfgEncryptedGenerator.get_data"><a class="viewcode-back" href="../../../../../development/cfg.html#Bcfg2.Server.Plugins.Cfg.CfgEncryptedGenerator.CfgEncryptedGenerator.get_data">[docs]</a> <span class="k">def</span> <span class="nf">get_data</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">entry</span><span class="p">,</span> <span class="n">metadata</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span> <span class="ow">is</span> <span class="bp">None</span><span class="p">:</span>
<span class="k">raise</span> <span class="n">PluginExecutionError</span><span class="p">(</span><span class="s">"Failed to decrypt </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">)</span>
<span class="k">return</span> <span class="n">CfgGenerator</span><span class="o">.</span><span class="n">get_data</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">entry</span><span class="p">,</span> <span class="n">metadata</span><span class="p">)</span></div>
<span class="n">get_data</span><span class="o">.</span><span class="n">__doc__</span> <span class="o">=</span> <span class="n">CfgGenerator</span><span class="o">.</span><span class="n">get_data</span><span class="o">.</span><span class="n">__doc__</span></div>
</pre></div>
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