eric7/Documentation/Source/eric7.Plugins.CheckerPlugins.CodeStyleChecker.Security.SecurityNodeVisitor.html

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<h1>eric7.Plugins.CheckerPlugins.CodeStyleChecker.Security.SecurityNodeVisitor</h1>

<p>
Module implementing an AST node visitor for security checks.
</p>
<h3>Global Attributes</h3>

<table>
<tr><td>None</td></tr>
</table>
<h3>Classes</h3>

<table>

<tr>
<td><a href="#SecurityNodeVisitor">SecurityNodeVisitor</a></td>
<td>Class implementing an AST node visitor for security checks.</td>
</tr>
</table>
<h3>Functions</h3>

<table>
<tr><td>None</td></tr>
</table>
<hr />
<hr />
<a NAME="SecurityNodeVisitor" ID="SecurityNodeVisitor"></a>
<h2>SecurityNodeVisitor</h2>

<p>
    Class implementing an AST node visitor for security checks.
</p>
<h3>Derived from</h3>
None
<h3>Class Attributes</h3>

<table>
<tr><td>None</td></tr>
</table>
<h3>Class Methods</h3>

<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>

<table>

<tr>
<td><a href="#SecurityNodeVisitor.__init__">SecurityNodeVisitor</a></td>
<td>Constructor</td>
</tr>
<tr>
<td><a href="#SecurityNodeVisitor.__postVisit">__postVisit</a></td>
<td>Private method to clean up after a node was visited.</td>
</tr>
<tr>
<td><a href="#SecurityNodeVisitor.__preVisit">__preVisit</a></td>
<td>Private method to set up a context for the visit method.</td>
</tr>
<tr>
<td><a href="#SecurityNodeVisitor.__runChecks">__runChecks</a></td>
<td>Private method to run all enabled checks for a given check type.</td>
</tr>
<tr>
<td><a href="#SecurityNodeVisitor.__visitFunctionDefinition">__visitFunctionDefinition</a></td>
<td>Private method defining a visitor for AST FunctionDef and AsyncFunctionDef nodes.</td>
</tr>
<tr>
<td><a href="#SecurityNodeVisitor.generic_visit">generic_visit</a></td>
<td>Public method to drive the node visitor.</td>
</tr>
<tr>
<td><a href="#SecurityNodeVisitor.visit">visit</a></td>
<td>Public method to inspected an AST node.</td>
</tr>
<tr>
<td><a href="#SecurityNodeVisitor.visit_AsyncFunctionDef">visit_AsyncFunctionDef</a></td>
<td>Public method defining a visitor for AST AsyncFunctionDef nodes.</td>
</tr>
<tr>
<td><a href="#SecurityNodeVisitor.visit_Bytes">visit_Bytes</a></td>
<td>Public method defining a visitor for Bytes nodes.</td>
</tr>
<tr>
<td><a href="#SecurityNodeVisitor.visit_Call">visit_Call</a></td>
<td>Public method defining a visitor for AST Call nodes.</td>
</tr>
<tr>
<td><a href="#SecurityNodeVisitor.visit_ClassDef">visit_ClassDef</a></td>
<td>Public method defining a visitor for AST ClassDef nodes.</td>
</tr>
<tr>
<td><a href="#SecurityNodeVisitor.visit_Constant">visit_Constant</a></td>
<td>Public method defining a visitor for Constant nodes.</td>
</tr>
<tr>
<td><a href="#SecurityNodeVisitor.visit_FunctionDef">visit_FunctionDef</a></td>
<td>Public method defining a visitor for AST FunctionDef nodes.</td>
</tr>
<tr>
<td><a href="#SecurityNodeVisitor.visit_Import">visit_Import</a></td>
<td>Public method defining a visitor for AST Import nodes.</td>
</tr>
<tr>
<td><a href="#SecurityNodeVisitor.visit_ImportFrom">visit_ImportFrom</a></td>
<td>Public method defining a visitor for AST Import nodes.</td>
</tr>
<tr>
<td><a href="#SecurityNodeVisitor.visit_Str">visit_Str</a></td>
<td>Public method defining a visitor for String nodes.</td>
</tr>
</table>
<h3>Static Methods</h3>

<table>
<tr><td>None</td></tr>
</table>

<a NAME="SecurityNodeVisitor.__init__" ID="SecurityNodeVisitor.__init__"></a>
<h4>SecurityNodeVisitor (Constructor)</h4>
<b>SecurityNodeVisitor</b>(<i>checker, secCheckers, filename</i>)

<p>
        Constructor
</p>
<dl>

<dt><i>checker</i> (SecurityChecker)</dt>
<dd>
reference to the main security checker object
</dd>
<dt><i>secCheckers</i> (dict)</dt>
<dd>
dictionary containing the available checker routines
</dd>
<dt><i>filename</i> (str)</dt>
<dd>
name of the checked file
</dd>
</dl>
<a NAME="SecurityNodeVisitor.__postVisit" ID="SecurityNodeVisitor.__postVisit"></a>
<h4>SecurityNodeVisitor.__postVisit</h4>
<b>__postVisit</b>(<i>node</i>)

<p>
        Private method to clean up after a node was visited.
</p>
<dl>

<dt><i>node</i> (ast.AST)</dt>
<dd>
AST node that was visited
</dd>
</dl>
<a NAME="SecurityNodeVisitor.__preVisit" ID="SecurityNodeVisitor.__preVisit"></a>
<h4>SecurityNodeVisitor.__preVisit</h4>
<b>__preVisit</b>(<i>node</i>)

<p>
        Private method to set up a context for the visit method.
</p>
<dl>

<dt><i>node</i> (ast.AST)</dt>
<dd>
node to base the context on
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
flag indicating to visit the node
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl>
<a NAME="SecurityNodeVisitor.__runChecks" ID="SecurityNodeVisitor.__runChecks"></a>
<h4>SecurityNodeVisitor.__runChecks</h4>
<b>__runChecks</b>(<i>checkType</i>)

<p>
        Private method to run all enabled checks for a given check type.
</p>
<dl>

<dt><i>checkType</i> (str)</dt>
<dd>
type of checks to be run
</dd>
</dl>
<a NAME="SecurityNodeVisitor.__visitFunctionDefinition" ID="SecurityNodeVisitor.__visitFunctionDefinition"></a>
<h4>SecurityNodeVisitor.__visitFunctionDefinition</h4>
<b>__visitFunctionDefinition</b>(<i>node</i>)

<p>
        Private method defining a visitor for AST FunctionDef and
        AsyncFunctionDef nodes.
</p>
<p>
        Add relevant information about the node to the context for use in tests
        which inspect function definitions. Add the function name to the
        current namespace for all descendants.
</p>
<dl>

<dt><i>node</i> (ast.FunctionDef, ast.AsyncFunctionDef)</dt>
<dd>
reference to the node being inspected
</dd>
</dl>
<a NAME="SecurityNodeVisitor.generic_visit" ID="SecurityNodeVisitor.generic_visit"></a>
<h4>SecurityNodeVisitor.generic_visit</h4>
<b>generic_visit</b>(<i>node</i>)

<p>
        Public method to drive the node visitor.
</p>
<dl>

<dt><i>node</i> (ast.AST)</dt>
<dd>
node to be inspected
</dd>
</dl>
<a NAME="SecurityNodeVisitor.visit" ID="SecurityNodeVisitor.visit"></a>
<h4>SecurityNodeVisitor.visit</h4>
<b>visit</b>(<i>node</i>)

<p>
        Public method to inspected an AST node.
</p>
<dl>

<dt><i>node</i> (ast.AST)</dt>
<dd>
AST node to be inspected
</dd>
</dl>
<a NAME="SecurityNodeVisitor.visit_AsyncFunctionDef" ID="SecurityNodeVisitor.visit_AsyncFunctionDef"></a>
<h4>SecurityNodeVisitor.visit_AsyncFunctionDef</h4>
<b>visit_AsyncFunctionDef</b>(<i>node</i>)

<p>
        Public method defining a visitor for AST AsyncFunctionDef nodes.
</p>
<dl>

<dt><i>node</i> (ast.AsyncFunctionDef)</dt>
<dd>
reference to the node being inspected
</dd>
</dl>
<a NAME="SecurityNodeVisitor.visit_Bytes" ID="SecurityNodeVisitor.visit_Bytes"></a>
<h4>SecurityNodeVisitor.visit_Bytes</h4>
<b>visit_Bytes</b>(<i>node</i>)

<p>
        Public method defining a visitor for Bytes nodes.
</p>
<p>
        This adds relevant information about node to
        the context for use in tests which inspect strings.
</p>
<dl>

<dt><i>node</i> (ast.Bytes)</dt>
<dd>
reference to the node being inspected
</dd>
</dl>
<a NAME="SecurityNodeVisitor.visit_Call" ID="SecurityNodeVisitor.visit_Call"></a>
<h4>SecurityNodeVisitor.visit_Call</h4>
<b>visit_Call</b>(<i>node</i>)

<p>
        Public method defining a visitor for AST Call nodes.
</p>
<p>
        Add relevant information about the node to the context for use in tests
        which inspect function calls.
</p>
<dl>

<dt><i>node</i> (ast.Call)</dt>
<dd>
reference to the node being inspected
</dd>
</dl>
<a NAME="SecurityNodeVisitor.visit_ClassDef" ID="SecurityNodeVisitor.visit_ClassDef"></a>
<h4>SecurityNodeVisitor.visit_ClassDef</h4>
<b>visit_ClassDef</b>(<i>node</i>)

<p>
        Public method defining a visitor for AST ClassDef nodes.
</p>
<p>
        Add class name to current namespace for all descendants.
</p>
<dl>

<dt><i>node</i> (ast.ClassDef)</dt>
<dd>
reference to the node being inspected
</dd>
</dl>
<a NAME="SecurityNodeVisitor.visit_Constant" ID="SecurityNodeVisitor.visit_Constant"></a>
<h4>SecurityNodeVisitor.visit_Constant</h4>
<b>visit_Constant</b>(<i>node</i>)

<p>
        Public method defining a visitor for Constant nodes.
</p>
<p>
        This calls the appropriate method for the node type.
        It maintains compatibility with <3.6 and 3.8+
</p>
<dl>

<dt><i>node</i> (ast.Constant)</dt>
<dd>
reference to the node being inspected
</dd>
</dl>
<a NAME="SecurityNodeVisitor.visit_FunctionDef" ID="SecurityNodeVisitor.visit_FunctionDef"></a>
<h4>SecurityNodeVisitor.visit_FunctionDef</h4>
<b>visit_FunctionDef</b>(<i>node</i>)

<p>
        Public method defining a visitor for AST FunctionDef nodes.
</p>
<dl>

<dt><i>node</i> (ast.FunctionDef)</dt>
<dd>
reference to the node being inspected
</dd>
</dl>
<a NAME="SecurityNodeVisitor.visit_Import" ID="SecurityNodeVisitor.visit_Import"></a>
<h4>SecurityNodeVisitor.visit_Import</h4>
<b>visit_Import</b>(<i>node</i>)

<p>
        Public method defining a visitor for AST Import nodes.
</p>
<dl>

<dt><i>node</i> (ast.Import)</dt>
<dd>
reference to the node being inspected
</dd>
</dl>
<a NAME="SecurityNodeVisitor.visit_ImportFrom" ID="SecurityNodeVisitor.visit_ImportFrom"></a>
<h4>SecurityNodeVisitor.visit_ImportFrom</h4>
<b>visit_ImportFrom</b>(<i>node</i>)

<p>
        Public method defining a visitor for AST Import nodes.
</p>
<p>
        This adds relevant information about the node to
        the context for use in tests which inspect imports.
</p>
<dl>

<dt><i>node</i> (ast.ImportFrom)</dt>
<dd>
reference to the node being inspected
</dd>
</dl>
<a NAME="SecurityNodeVisitor.visit_Str" ID="SecurityNodeVisitor.visit_Str"></a>
<h4>SecurityNodeVisitor.visit_Str</h4>
<b>visit_Str</b>(<i>node</i>)

<p>
        Public method defining a visitor for String nodes.
</p>
<p>
        This adds relevant information about node to
        the context for use in tests which inspect strings.
</p>
<dl>

<dt><i>node</i> (ast.Str)</dt>
<dd>
reference to the node being inspected
</dd>
</dl>
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