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<a name="js-lookup-example"></a>Javascript example: Lookup a password</h2></div></div></div>
<p>Here's how to lookup a password in the running secret service,
like gnome-keyring or ksecretservice.</p>
<p>Each stored password has a set of attributes which are
used to lookup the password. If multiple passwords match the
lookup attributes, then the one stored most recently is returned.</p>
<p>These examples use <a class="link" href="js-examples.html#js-schema-example" title="Javascript example: Define a password schema">the example
schema</a>.</p>
<p>This first example looks up a password asynchronously, and is
appropriate for GUI applications so that the UI does not block.</p>
<div class="informalexample">
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<td class="listing_lines" align="right"><pre>1
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<td class="listing_code"><pre class="programlisting"><span class="k">const</span> <span class="n">Secret</span> <span class="o">=</span> <span class="n">imports</span><span class="p">.</span><span class="n">gi</span><span class="p">.</span><span class="n">Secret</span><span class="p">;</span>
<span class="n">function</span> <span class="nf">on_password_lookup</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">result</span><span class="p">)</span> <span class="p">{</span>
<span class="n">var</span> <span class="n">password</span> <span class="o">=</span> <span class="n">Secret</span><span class="p">.</span><span class="n">password_lookup_finish</span><span class="p">(</span><span class="n">result</span><span class="p">);</span>
<span class="cm">/* password will be null if no matching password found */</span>
<span class="p">}</span>
<span class="cm">/* The attributes used to lookup the password should conform to the schema. */</span>
<span class="n">Secret</span><span class="p">.</span><span class="n">password_lookup</span><span class="p">(</span><span class="n">EXAMPLE_SCHEMA</span><span class="p">,</span> <span class="p">{</span> <span class="s">"number"</span><span class="o">:</span> <span class="s">"8"</span><span class="p">,</span> <span class="s">"even"</span><span class="o">:</span> <span class="s">"true"</span> <span class="p">},</span>
<span class="n">null</span><span class="p">,</span> <span class="n">on_password_lookup</span><span class="p">);</span></pre></td>
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<p>This next example looks up a password synchronously. The function
call will block until the lookup completes. So this is appropriate for
non GUI applications.</p>
<div class="informalexample">
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<td class="listing_lines" align="right"><pre>1
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<td class="listing_code"><pre class="programlisting"><span class="k">const</span> <span class="n">Secret</span> <span class="o">=</span> <span class="n">imports</span><span class="p">.</span><span class="n">gi</span><span class="p">.</span><span class="n">Secret</span><span class="p">;</span>
<span class="cm">/* The attributes used to lookup the password should conform to the schema. */</span>
<span class="n">var</span> <span class="n">password</span> <span class="o">=</span> <span class="n">Secret</span><span class="p">.</span><span class="n">password_lookup_sync</span><span class="p">(</span><span class="n">EXAMPLE_SCHEMA</span><span class="p">,</span>
<span class="p">{</span> <span class="s">"number"</span><span class="o">:</span> <span class="s">"8"</span><span class="p">,</span> <span class="s">"even"</span><span class="o">:</span> <span class="s">"true"</span> <span class="p">},</span>
<span class="n">null</span><span class="p">);</span>
<span class="cm">/* password will be null, if no matching password found */</span></pre></td>
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