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|  | <!DOCTYPE html> | |||
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|  |   <section id="command-line-engines"> | |||
|  | <span id="engine-command"></span><h1>Command Line Engines<a class="headerlink" href="#command-line-engines" title="Link to this heading">¶</a></h1> | |||
|  | <aside class="sidebar"> | |||
|  | <p class="sidebar-title">info</p> | |||
|  | <ul class="simple"> | |||
|  | <li><p><a class="extlink-origin reference external" href="https://github.com/searxng/searxng/blob/master/searx/engines/command.py">command.py</a></p></li> | |||
|  | <li><p><a class="reference internal" href="../index.html#offline-engines"><span class="std std-ref">Offline Engines</span></a></p></li> | |||
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|  | <nav class="contents local" id="contents"> | |||
|  | <ul class="simple"> | |||
|  | <li><p><a class="reference internal" href="#configuration" id="id1">Configuration</a></p></li> | |||
|  | <li><p><a class="reference internal" href="#example" id="id2">Example</a></p></li> | |||
|  | <li><p><a class="reference internal" href="#implementations" id="id3">Implementations</a></p></li> | |||
|  | </ul> | |||
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|  | <p class="sidebar-title">info</p> | |||
|  | <p>Initial sponsored by <a class="reference external" href="https://nlnet.nl/discovery">Search and Discovery Fund</a> of <a class="reference external" href="https://nlnet.nl/">NLnet Foundation</a>.</p> | |||
|  | </aside> | |||
|  | <p id="module-searx.engines.command">With <em>command engines</em> administrators can run engines to integrate arbitrary | |||
|  | shell commands.</p> | |||
|  | <div class="admonition attention"> | |||
|  | <p class="admonition-title">Attention</p> | |||
|  | <p>When creating and enabling a <code class="docutils literal notranslate"><span class="pre">command</span></code> engine on a public instance, you | |||
|  | must be careful to avoid leaking private data.</p> | |||
|  | </div> | |||
|  | <p>The easiest solution is to limit the access by setting <code class="docutils literal notranslate"><span class="pre">tokens</span></code> as described | |||
|  | in section <a class="reference internal" href="../../../admin/settings/settings_engine.html#private-engines"><span class="std std-ref">Private Engines (tokens)</span></a>.  The engine base is flexible.  Only your | |||
|  | imagination can limit the power of this engine (and maybe security concerns).</p> | |||
|  | <section id="configuration"> | |||
|  | <h2><a class="toc-backref" href="#id1" role="doc-backlink">Configuration</a><a class="headerlink" href="#configuration" title="Link to this heading">¶</a></h2> | |||
|  | <p>The following options are available:</p> | |||
|  | <dl> | |||
|  | <dt><code class="docutils literal notranslate"><span class="pre">command</span></code>:</dt><dd><p>A comma separated list of the elements of the command.  A special token | |||
|  | <code class="docutils literal notranslate"><span class="pre">{{QUERY}}</span></code> tells where to put the search terms of the user. Example:</p> | |||
|  | <div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="p p-Indicator">[</span><span class="s">'ls'</span><span class="p p-Indicator">,</span><span class="w"> </span><span class="s">'-l'</span><span class="p p-Indicator">,</span><span class="w"> </span><span class="s">'-h'</span><span class="p p-Indicator">,</span><span class="w"> </span><span class="s">'{{QUERY}}'</span><span class="p p-Indicator">]</span> | |||
|  | </pre></div> | |||
|  | </div> | |||
|  | </dd> | |||
|  | <dt><code class="docutils literal notranslate"><span class="pre">delimiter</span></code>:</dt><dd><p>A mapping containing a delimiter <code class="docutils literal notranslate"><span class="pre">char</span></code> and the <em>titles</em> of each element in | |||
|  | <code class="docutils literal notranslate"><span class="pre">keys</span></code>.</p> | |||
|  | </dd> | |||
|  | <dt><code class="docutils literal notranslate"><span class="pre">parse_regex</span></code>:</dt><dd><p>A dict containing the regular expressions for each result key.</p> | |||
|  | </dd> | |||
|  | </dl> | |||
|  | <p><code class="docutils literal notranslate"><span class="pre">query_type</span></code>:</p> | |||
|  | <blockquote> | |||
|  | <div><p>The expected type of user search terms.  Possible values: <code class="docutils literal notranslate"><span class="pre">path</span></code> and | |||
|  | <code class="docutils literal notranslate"><span class="pre">enum</span></code>.</p> | |||
|  | <dl class="simple"> | |||
|  | <dt><code class="docutils literal notranslate"><span class="pre">path</span></code>:</dt><dd><p>Checks if the user provided path is inside the working directory.  If not, | |||
|  | the query is not executed.</p> | |||
|  | </dd> | |||
|  | <dt><code class="docutils literal notranslate"><span class="pre">enum</span></code>:</dt><dd><p>Is a list of allowed search terms.  If the user submits something which is | |||
|  | not included in the list, the query returns an error.</p> | |||
|  | </dd> | |||
|  | </dl> | |||
|  | </div></blockquote> | |||
|  | <dl class="simple"> | |||
|  | <dt><code class="docutils literal notranslate"><span class="pre">query_enum</span></code>:</dt><dd><p>A list containing allowed search terms if <code class="docutils literal notranslate"><span class="pre">query_type</span></code> is set to <code class="docutils literal notranslate"><span class="pre">enum</span></code>.</p> | |||
|  | </dd> | |||
|  | <dt><code class="docutils literal notranslate"><span class="pre">working_dir</span></code>:</dt><dd><p>The directory where the command has to be executed.  Default: <code class="docutils literal notranslate"><span class="pre">./</span></code>.</p> | |||
|  | </dd> | |||
|  | <dt><code class="docutils literal notranslate"><span class="pre">result_separator</span></code>:</dt><dd><p>The character that separates results. Default: <code class="docutils literal notranslate"><span class="pre">\n</span></code>.</p> | |||
|  | </dd> | |||
|  | </dl> | |||
|  | </section> | |||
|  | <section id="example"> | |||
|  | <h2><a class="toc-backref" href="#id2" role="doc-backlink">Example</a><a class="headerlink" href="#example" title="Link to this heading">¶</a></h2> | |||
|  | <p>The example engine below can be used to find files with a specific name in the | |||
|  | configured working directory:</p> | |||
|  | <div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">find</span> | |||
|  | <span class="w">  </span><span class="nt">engine</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">command</span> | |||
|  | <span class="w">  </span><span class="nt">command</span><span class="p">:</span><span class="w"> </span><span class="p p-Indicator">[</span><span class="s">'find'</span><span class="p p-Indicator">,</span><span class="w"> </span><span class="s">'.'</span><span class="p p-Indicator">,</span><span class="w"> </span><span class="s">'-name'</span><span class="p p-Indicator">,</span><span class="w"> </span><span class="s">'{{QUERY}}'</span><span class="p p-Indicator">]</span> | |||
|  | <span class="w">  </span><span class="nt">query_type</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">path</span> | |||
|  | <span class="w">  </span><span class="nt">shortcut</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">fnd</span> | |||
|  | <span class="w">  </span><span class="nt">delimiter</span><span class="p">:</span> | |||
|  | <span class="w">      </span><span class="nt">chars</span><span class="p">:</span><span class="w"> </span><span class="s">'</span><span class="nv"> </span><span class="s">'</span> | |||
|  | <span class="w">      </span><span class="nt">keys</span><span class="p">:</span><span class="w"> </span><span class="p p-Indicator">[</span><span class="s">'line'</span><span class="p p-Indicator">]</span> | |||
|  | </pre></div> | |||
|  | </div> | |||
|  | </section> | |||
|  | <section id="implementations"> | |||
|  | <h2><a class="toc-backref" href="#id3" role="doc-backlink">Implementations</a><a class="headerlink" href="#implementations" title="Link to this heading">¶</a></h2> | |||
|  | </section> | |||
|  | <dl class="py function"> | |||
|  | <dt class="sig sig-object py" id="searx.engines.command.check_parsing_options"> | |||
|  | <span class="sig-prename descclassname"><span class="pre">searx.engines.command.</span></span><span class="sig-name descname"><span class="pre">check_parsing_options</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">engine_settings</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/searx/engines/command.html#check_parsing_options"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#searx.engines.command.check_parsing_options" title="Link to this definition">¶</a></dt> | |||
|  | <dd><p>Checks if delimiter based parsing or regex parsing is configured correctly</p> | |||
|  | </dd></dl> | |||
|  | 
 | |||
|  | </section> | |||
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|  | <li class="toctree-l1"><a class="reference internal" href="../../../user/index.html">User information</a></li> | |||
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