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vsphere-automation-sdk-python/vsphere/cloud/vmware.vapi.security.html
Kunal Singh 8f75ac36ec Documentation change for M8 release
Signed-off-by: Kunal Singh<singhk@vmware.com>
2019-08-29 12:23:26 +05:30

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<div class="section" id="module-vmware.vapi.security">
<span id="vmware-vapi-security-package"></span><h1>vmware.vapi.security package<a class="headerlink" href="#module-vmware.vapi.security" title="Permalink to this headline"></a></h1>
<div class="section" id="subpackages">
<h2>Subpackages<a class="headerlink" href="#subpackages" title="Permalink to this headline"></a></h2>
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<ul>
<li class="toctree-l1"><a class="reference internal" href="vmware.vapi.security.client.html">vmware.vapi.security.client package</a><ul>
<li class="toctree-l2"><a class="reference internal" href="vmware.vapi.security.client.html#submodules">Submodules</a></li>
<li class="toctree-l2"><a class="reference internal" href="vmware.vapi.security.client.html#module-vmware.vapi.security.client.security_context_filter">vmware.vapi.security.client.security_context_filter module</a></li>
</ul>
</li>
</ul>
</div>
</div>
<div class="section" id="submodules">
<h2>Submodules<a class="headerlink" href="#submodules" title="Permalink to this headline"></a></h2>
</div>
<div class="section" id="module-vmware.vapi.security.session">
<span id="vmware-vapi-security-session-module"></span><h2>vmware.vapi.security.session module<a class="headerlink" href="#module-vmware.vapi.security.session" title="Permalink to this headline"></a></h2>
<p>Session Security Helper</p>
<dl class="class">
<dt id="vmware.vapi.security.session.SessionSecurityContextParser">
<em class="property">class </em><code class="sig-prename descclassname">vmware.vapi.security.session.</code><code class="sig-name descname">SessionSecurityContextParser</code><a class="headerlink" href="#vmware.vapi.security.session.SessionSecurityContextParser" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">vmware.vapi.security.rest.SecurityContextParser</span></code></p>
<p>Security context parser used by the REST presentation layer
that builds a security context if the REST request has session
identifier either in the header or in the cookie.</p>
<p>Initialize SessionSecurityContextParser</p>
<dl class="method">
<dt id="vmware.vapi.security.session.SessionSecurityContextParser.build">
<code class="sig-name descname">build</code><span class="sig-paren">(</span><em class="sig-param">request</em><span class="sig-paren">)</span><a class="headerlink" href="#vmware.vapi.security.session.SessionSecurityContextParser.build" title="Permalink to this definition"></a></dt>
<dd><p>Build the security context if the request has the header
that contains the session identifier or a cookie that has
the session identifier.</p>
<p>The method will first check for session identifier in the cookie,
if it is not present, then it will check in the HTTP headers.
The session security context is created based on the first session
identifier it finds.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>request</strong> (<code class="xref py py-class docutils literal notranslate"><span class="pre">werkzeug.wrappers.Request</span></code>) Request object</p>
</dd>
<dt class="field-even">Return type</dt>
<dd class="field-even"><p><a class="reference internal" href="vmware.vapi.html#vmware.vapi.core.SecurityContext" title="vmware.vapi.core.SecurityContext"><code class="xref py py-class docutils literal notranslate"><span class="pre">vmware.vapi.core.SecurityContext</span></code></a> or <code class="docutils literal notranslate"><span class="pre">None</span></code></p>
</dd>
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>Security context object</p>
</dd>
</dl>
</dd></dl>
</dd></dl>
<dl class="function">
<dt id="vmware.vapi.security.session.create_session_security_context">
<code class="sig-prename descclassname">vmware.vapi.security.session.</code><code class="sig-name descname">create_session_security_context</code><span class="sig-paren">(</span><em class="sig-param">session_id</em><span class="sig-paren">)</span><a class="headerlink" href="#vmware.vapi.security.session.create_session_security_context" title="Permalink to this definition"></a></dt>
<dd><p>Create a security context for Session Id based authentication
scheme</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>session_id</strong> (<code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code>) Session ID</p>
</dd>
<dt class="field-even">Return type</dt>
<dd class="field-even"><p><a class="reference internal" href="vmware.vapi.html#vmware.vapi.core.SecurityContext" title="vmware.vapi.core.SecurityContext"><code class="xref py py-class docutils literal notranslate"><span class="pre">vmware.vapi.core.SecurityContext</span></code></a></p>
</dd>
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>Newly created security context</p>
</dd>
</dl>
</dd></dl>
</div>
<div class="section" id="module-vmware.vapi.security.sso">
<span id="vmware-vapi-security-sso-module"></span><h2>vmware.vapi.security.sso module<a class="headerlink" href="#module-vmware.vapi.security.sso" title="Permalink to this headline"></a></h2>
<p>SSO Security Helper</p>
<dl class="class">
<dt id="vmware.vapi.security.sso.JSONCanonicalEncoder">
<em class="property">class </em><code class="sig-prename descclassname">vmware.vapi.security.sso.</code><code class="sig-name descname">JSONCanonicalEncoder</code><span class="sig-paren">(</span><em class="sig-param">skipkeys=False</em>, <em class="sig-param">ensure_ascii=True</em>, <em class="sig-param">check_circular=True</em>, <em class="sig-param">allow_nan=True</em>, <em class="sig-param">sort_keys=False</em>, <em class="sig-param">indent=None</em>, <em class="sig-param">separators=None</em>, <em class="sig-param">default=None</em><span class="sig-paren">)</span><a class="headerlink" href="#vmware.vapi.security.sso.JSONCanonicalEncoder" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">json.encoder.JSONEncoder</span></code></p>
<p>Custom JSON Encoder class to canonicalize dictionary
and list objects</p>
<p>Constructor for JSONEncoder, with sensible defaults.</p>
<p>If skipkeys is false, then it is a TypeError to attempt
encoding of keys that are not str, int, float or None. If
skipkeys is True, such items are simply skipped.</p>
<p>If ensure_ascii is true, the output is guaranteed to be str
objects with all incoming non-ASCII characters escaped. If
ensure_ascii is false, the output can contain non-ASCII characters.</p>
<p>If check_circular is true, then lists, dicts, and custom encoded
objects will be checked for circular references during encoding to
prevent an infinite recursion (which would cause an OverflowError).
Otherwise, no such check takes place.</p>
<p>If allow_nan is true, then NaN, Infinity, and -Infinity will be
encoded as such. This behavior is not JSON specification compliant,
but is consistent with most JavaScript based encoders and decoders.
Otherwise, it will be a ValueError to encode such floats.</p>
<p>If sort_keys is true, then the output of dictionaries will be
sorted by key; this is useful for regression tests to ensure
that JSON serializations can be compared on a day-to-day basis.</p>
<p>If indent is a non-negative integer, then JSON array
elements and object members will be pretty-printed with that
indent level. An indent level of 0 will only insert newlines.
None is the most compact representation.</p>
<p>If specified, separators should be an (item_separator, key_separator)
tuple. The default is (, , : ) if <em>indent</em> is <code class="docutils literal notranslate"><span class="pre">None</span></code> and
(,, : ) otherwise. To get the most compact JSON representation,
you should specify (,, :) to eliminate whitespace.</p>
<p>If specified, default is a function that gets called for objects
that cant otherwise be serialized. It should return a JSON encodable
version of the object or raise a <code class="docutils literal notranslate"><span class="pre">TypeError</span></code>.</p>
<dl class="method">
<dt id="vmware.vapi.security.sso.JSONCanonicalEncoder.encode">
<code class="sig-name descname">encode</code><span class="sig-paren">(</span><em class="sig-param">o</em><span class="sig-paren">)</span><a class="headerlink" href="#vmware.vapi.security.sso.JSONCanonicalEncoder.encode" title="Permalink to this definition"></a></dt>
<dd><p>Encode a given python object</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>o</strong> (<code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code>) Python object</p>
</dd>
<dt class="field-even">Return type</dt>
<dd class="field-even"><p><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></p>
</dd>
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>JSON string in canonicalized form</p>
</dd>
</dl>
</dd></dl>
</dd></dl>
<dl class="class">
<dt id="vmware.vapi.security.sso.JSONCanonicalizer">
<em class="property">class </em><code class="sig-prename descclassname">vmware.vapi.security.sso.</code><code class="sig-name descname">JSONCanonicalizer</code><a class="headerlink" href="#vmware.vapi.security.sso.JSONCanonicalizer" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></p>
<p>This class is responsible for transforming JSON messages into their
canonical representation.</p>
<dl class="simple">
<dt>The canonical form is defined by the following rules:</dt><dd><ol class="arabic simple">
<li><p>Non-significant(1) whitespace characters MUST NOT be used</p></li>
<li><p>Non-significant(1) line endings MUST NOT be used</p></li>
<li><p>Entries (set of name/value pairs) in JSON objects MUST be sorted
lexicographically(2) by their names based on UCS codepoint values</p></li>
<li><p>Arrays MUST preserve their initial ordering</p></li>
</ol>
</dd>
</dl>
<p>Link to the IEFT proposal:
<a class="reference external" href="https://datatracker.ietf.org/doc/draft-staykov-hu-json-canonical-form/">https://datatracker.ietf.org/doc/draft-staykov-hu-json-canonical-form/</a></p>
<dl class="method">
<dt id="vmware.vapi.security.sso.JSONCanonicalizer.canonicalize">
<em class="property">static </em><code class="sig-name descname">canonicalize</code><span class="sig-paren">(</span><em class="sig-param">input_message</em><span class="sig-paren">)</span><a class="headerlink" href="#vmware.vapi.security.sso.JSONCanonicalizer.canonicalize" title="Permalink to this definition"></a></dt>
<dd><p>Canonicalize the input message</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>input_message</strong> (<code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code>) Input message</p>
</dd>
<dt class="field-even">Return type</dt>
<dd class="field-even"><p><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></p>
</dd>
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>Canonicalized message</p>
</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="vmware.vapi.security.sso.JSONCanonicalizer.canonicalize_py_obj">
<em class="property">static </em><code class="sig-name descname">canonicalize_py_obj</code><span class="sig-paren">(</span><em class="sig-param">py_obj</em><span class="sig-paren">)</span><a class="headerlink" href="#vmware.vapi.security.sso.JSONCanonicalizer.canonicalize_py_obj" title="Permalink to this definition"></a></dt>
<dd><p>Canonicalize the input python object</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>input_message</strong> (<code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code>) Input python object</p>
</dd>
<dt class="field-even">Return type</dt>
<dd class="field-even"><p><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></p>
</dd>
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>Canonicalized message</p>
</dd>
</dl>
</dd></dl>
</dd></dl>
<dl class="class">
<dt id="vmware.vapi.security.sso.JSONSSOSigner">
<em class="property">class </em><code class="sig-prename descclassname">vmware.vapi.security.sso.</code><code class="sig-name descname">JSONSSOSigner</code><a class="headerlink" href="#vmware.vapi.security.sso.JSONSSOSigner" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">vmware.vapi.protocol.common.lib.RequestProcessor</span></code></p>
<p>This class is used for signing JSON request messages</p>
<dl class="method">
<dt id="vmware.vapi.security.sso.JSONSSOSigner.process">
<code class="sig-name descname">process</code><span class="sig-paren">(</span><em class="sig-param">input_message</em><span class="sig-paren">)</span><a class="headerlink" href="#vmware.vapi.security.sso.JSONSSOSigner.process" title="Permalink to this definition"></a></dt>
<dd><p>Sign the input JSON request message.</p>
<p>The message is signed using users private key. The digest and saml
token is then added to the security context block of the execution
context. A timestamp is also added to guard against replay attacks</p>
<p>Sample input security context:
{</p>
<blockquote>
<div><p>schemeId: SAML_TOKEN,
privateKey: &lt;PRIVATE_KEY&gt;,
samlToken: &lt;SAML_TOKEN&gt;,
signatureAlgorithm: &lt;ALGORITHM&gt;,</p>
</div></blockquote>
<p>}</p>
<p>Security context block before signing:
{</p>
<blockquote>
<div><p>schemeId: SAML_TOKEN,
signatureAlgorithm: &lt;ALGORITHM&gt;,
timestamp: {</p>
<blockquote>
<div><p>created: 2012-10-26T12:24:18.941Z,
expires: 2012-10-26T12:44:18.941Z,</p>
</div></blockquote>
<p>}</p>
</div></blockquote>
<p>}</p>
<p>Security context block after signing:
{</p>
<blockquote>
<div><p>schemeId: SAML_TOKEN,
signatureAlgorithm: &lt;ALGORITHM&gt;,
signature: {</p>
<blockquote>
<div><p>samlToken: &lt;SAML_TOKEN&gt;,
value: &lt;DIGEST&gt;</p>
</div></blockquote>
<p>}
timestamp: {</p>
<blockquote>
<div><p>created: 2012-10-26T12:24:18.941Z,
expires: 2012-10-26T12:44:18.941Z,</p>
</div></blockquote>
<p>}</p>
</div></blockquote>
<p>}</p>
</dd></dl>
</dd></dl>
<dl class="class">
<dt id="vmware.vapi.security.sso.JSONSSOVerifier">
<em class="property">class </em><code class="sig-prename descclassname">vmware.vapi.security.sso.</code><code class="sig-name descname">JSONSSOVerifier</code><a class="headerlink" href="#vmware.vapi.security.sso.JSONSSOVerifier" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">vmware.vapi.protocol.common.lib.RequestProcessor</span></code></p>
<p>This class is used to verify the authenticity of the request
message by verifying the digest present in the security context
block.</p>
<dl class="method">
<dt id="vmware.vapi.security.sso.JSONSSOVerifier.process">
<code class="sig-name descname">process</code><span class="sig-paren">(</span><em class="sig-param">input_message</em><span class="sig-paren">)</span><a class="headerlink" href="#vmware.vapi.security.sso.JSONSSOVerifier.process" title="Permalink to this definition"></a></dt>
<dd><p>Verify the input JSON message.</p>
<p>For verification, we need 4 things:</p>
<ol class="arabic simple">
<li><p>algorithm: extracted from security context</p></li>
</ol>
<p>2. certificate: public key of the principal embedded in the
SAML token is used
3. digest: value field from signature block
4. canonical msg: signature block is removed from the request
and the remaining part is canonicalized</p>
<p>Sample input security context:
{</p>
<blockquote>
<div><p>schemeId: SAML_TOKEN,
signatureAlgorithm: &lt;ALGORITHM&gt;,
signature: {</p>
<blockquote>
<div><p>samlToken: &lt;SAML_TOKEN&gt;,
value: &lt;DIGEST&gt;</p>
</div></blockquote>
<p>}
timestamp: {</p>
<blockquote>
<div><p>created: 2012-10-26T12:24:18.941Z,
expires: 2012-10-26T12:44:18.941Z,</p>
</div></blockquote>
<p>}</p>
</div></blockquote>
<p>}</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>input_message</strong> (<code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code>) Input JSON request message</p>
</dd>
<dt class="field-even">Return type</dt>
<dd class="field-even"><p><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></p>
</dd>
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>JSON request message after signature verification</p>
</dd>
</dl>
</dd></dl>
</dd></dl>
<dl class="function">
<dt id="vmware.vapi.security.sso.create_saml_bearer_security_context">
<code class="sig-prename descclassname">vmware.vapi.security.sso.</code><code class="sig-name descname">create_saml_bearer_security_context</code><span class="sig-paren">(</span><em class="sig-param">token</em><span class="sig-paren">)</span><a class="headerlink" href="#vmware.vapi.security.sso.create_saml_bearer_security_context" title="Permalink to this definition"></a></dt>
<dd><p>Create a security context for SAML bearer token based
authentication scheme</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>token</strong> (<code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code>) SAML Token</p>
</dd>
</dl>
</dd></dl>
<dl class="function">
<dt id="vmware.vapi.security.sso.create_saml_security_context">
<code class="sig-prename descclassname">vmware.vapi.security.sso.</code><code class="sig-name descname">create_saml_security_context</code><span class="sig-paren">(</span><em class="sig-param">token</em>, <em class="sig-param">private_key</em><span class="sig-paren">)</span><a class="headerlink" href="#vmware.vapi.security.sso.create_saml_security_context" title="Permalink to this definition"></a></dt>
<dd><p>Create a security context for SAML token based
authentication scheme</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>token</strong> (<code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code>) SAML Token</p></li>
<li><p><strong>private_key</strong> (<code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code>) Absolute file path of the private key of the user</p></li>
</ul>
</dd>
<dt class="field-even">Return type</dt>
<dd class="field-even"><p><a class="reference internal" href="vmware.vapi.html#vmware.vapi.core.SecurityContext" title="vmware.vapi.core.SecurityContext"><code class="xref py py-class docutils literal notranslate"><span class="pre">vmware.vapi.core.SecurityContext</span></code></a></p>
</dd>
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>Newly created security context</p>
</dd>
</dl>
</dd></dl>
</div>
<div class="section" id="module-vmware.vapi.security.user_password">
<span id="vmware-vapi-security-user-password-module"></span><h2>vmware.vapi.security.user_password module<a class="headerlink" href="#module-vmware.vapi.security.user_password" title="Permalink to this headline"></a></h2>
<p>User password Security Helper</p>
<dl class="class">
<dt id="vmware.vapi.security.user_password.UserPasswordSecurityContextParser">
<em class="property">class </em><code class="sig-prename descclassname">vmware.vapi.security.user_password.</code><code class="sig-name descname">UserPasswordSecurityContextParser</code><a class="headerlink" href="#vmware.vapi.security.user_password.UserPasswordSecurityContextParser" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">vmware.vapi.security.rest.SecurityContextParser</span></code></p>
<p>Security context parser used by the REST presentation layer
that builds a security context if the REST request has
username/password credentials in the HTTP header.</p>
<p>Initialize UserPasswordSecurityContextParser</p>
<dl class="method">
<dt id="vmware.vapi.security.user_password.UserPasswordSecurityContextParser.build">
<code class="sig-name descname">build</code><span class="sig-paren">(</span><em class="sig-param">request</em><span class="sig-paren">)</span><a class="headerlink" href="#vmware.vapi.security.user_password.UserPasswordSecurityContextParser.build" title="Permalink to this definition"></a></dt>
<dd><p>Build the security context if the request has authorization
header that contains base64 encoded string of username/password.</p>
<p>If the request authorization header doesnt have the username/password,
this method returns None.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>request</strong> (<code class="xref py py-class docutils literal notranslate"><span class="pre">werkzeug.wrappers.Request</span></code>) Request object</p>
</dd>
<dt class="field-even">Return type</dt>
<dd class="field-even"><p><a class="reference internal" href="vmware.vapi.html#vmware.vapi.core.SecurityContext" title="vmware.vapi.core.SecurityContext"><code class="xref py py-class docutils literal notranslate"><span class="pre">vmware.vapi.core.SecurityContext</span></code></a> or <code class="docutils literal notranslate"><span class="pre">None</span></code></p>
</dd>
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>Security context object</p>
</dd>
</dl>
</dd></dl>
</dd></dl>
<dl class="function">
<dt id="vmware.vapi.security.user_password.create_user_password_security_context">
<code class="sig-prename descclassname">vmware.vapi.security.user_password.</code><code class="sig-name descname">create_user_password_security_context</code><span class="sig-paren">(</span><em class="sig-param">user_name</em>, <em class="sig-param">password</em><span class="sig-paren">)</span><a class="headerlink" href="#vmware.vapi.security.user_password.create_user_password_security_context" title="Permalink to this definition"></a></dt>
<dd><p>Create a security context for Username-Password based authentication
scheme</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>user_name</strong> (<code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code>) Name of the user</p></li>
<li><p><strong>password</strong> (<code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code>) Password of the user</p></li>
</ul>
</dd>
<dt class="field-even">Return type</dt>
<dd class="field-even"><p><a class="reference internal" href="vmware.vapi.html#vmware.vapi.core.SecurityContext" title="vmware.vapi.core.SecurityContext"><code class="xref py py-class docutils literal notranslate"><span class="pre">vmware.vapi.core.SecurityContext</span></code></a></p>
</dd>
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>Newly created security context</p>
</dd>
</dl>
</dd></dl>
</div>
</div>
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