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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="vala-store-example"></a>Vala example: Store a password</h2></div></div></div>
<p>Here's how to store a password in the running secret service,
like gnome-keyring or ksecretservice.</p>
<p>Each stored password has a set of attributes which are later
used to lookup the password. The attributes should not contain
secrets, as they are not stored in an encrypted fashion.</p>
<p>These examples use <a class="link" href="vala-examples.html#vala-schema-example" title="Vala example: Define a password schema">the example
schema</a>.</p>
<p>This first example stores 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="n">var</span> <span class="n">attributes</span> <span class="o">=</span> <span class="n">new</span> <span class="n">GLib</span><span class="p">.</span><span class="n">HashTable</span><span class="o"><</span><span class="n">string</span><span class="p">,</span><span class="n">string</span><span class="o">></span> <span class="p">();</span>
<span class="n">attributes</span><span class="p">[</span><span class="s">"number"</span><span class="p">]</span> <span class="o">=</span> <span class="s">"8"</span><span class="p">;</span>
<span class="n">attributes</span><span class="p">[</span><span class="s">"string"</span><span class="p">]</span> <span class="o">=</span> <span class="s">"eight"</span><span class="p">;</span>
<span class="n">attributes</span><span class="p">[</span><span class="s">"even"</span><span class="p">]</span> <span class="o">=</span> <span class="s">"true"</span><span class="p">;</span>
<span class="n">Secret</span><span class="p">.</span><span class="n">password_storev</span><span class="p">.</span><span class="n">begin</span> <span class="p">(</span><span class="n">example_schema</span><span class="p">,</span> <span class="n">attributes</span><span class="p">,</span> <span class="n">Secret</span><span class="p">.</span><span class="n">COLLECTION_DEFAULT</span><span class="p">,</span>
<span class="s">"The label"</span><span class="p">,</span> <span class="s">"the password"</span><span class="p">,</span> <span class="n">null</span><span class="p">,</span> <span class="p">(</span><span class="n">obj</span><span class="p">,</span> <span class="n">async_res</span><span class="p">)</span> <span class="o">=></span> <span class="p">{</span>
<span class="kt">bool</span> <span class="n">res</span> <span class="o">=</span> <span class="n">Secret</span><span class="p">.</span><span class="n">password_store</span><span class="p">.</span><span class="n">end</span> <span class="p">(</span><span class="n">async_res</span><span class="p">);</span>
<span class="cm">/* ... do something now that the password has been stored */</span>
<span class="p">});</span></pre></td>
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<p>If you are already inside of an async function, you can also
use the yield keyword:</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="n">var</span> <span class="n">attributes</span> <span class="o">=</span> <span class="n">new</span> <span class="n">GLib</span><span class="p">.</span><span class="n">HashTable</span><span class="o"><</span><span class="n">string</span><span class="p">,</span><span class="n">string</span><span class="o">></span> <span class="p">();</span>
<span class="n">attributes</span><span class="p">[</span><span class="s">"number"</span><span class="p">]</span> <span class="o">=</span> <span class="s">"8"</span><span class="p">;</span>
<span class="n">attributes</span><span class="p">[</span><span class="s">"string"</span><span class="p">]</span> <span class="o">=</span> <span class="s">"eight"</span><span class="p">;</span>
<span class="n">attributes</span><span class="p">[</span><span class="s">"even"</span><span class="p">]</span> <span class="o">=</span> <span class="s">"true"</span><span class="p">;</span>
<span class="kt">bool</span> <span class="n">res</span> <span class="o">=</span> <span class="n">yield</span> <span class="n">Secret</span><span class="p">.</span><span class="n">password_storev</span> <span class="p">(</span><span class="n">example_schema</span><span class="p">,</span> <span class="n">attributes</span><span class="p">,</span>
<span class="n">Secret</span><span class="p">.</span><span class="n">COLLECTION_DEFAULT</span><span class="p">,</span> <span class="s">"The label"</span><span class="p">,</span>
<span class="s">"the password"</span><span class="p">,</span> <span class="n">null</span><span class="p">);</span></pre></td>
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<p>If you would like to avoid creating a hash table for the
attributes you can just use the variadic version:</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="kt">bool</span> <span class="n">res</span> <span class="o">=</span> <span class="n">yield</span> <span class="n">Secret</span><span class="p">.</span><span class="n">password_store</span> <span class="p">(</span><span class="n">example_schema</span><span class="p">,</span> <span class="n">Secret</span><span class="p">.</span><span class="n">COLLECTION_DEFAULT</span><span class="p">,</span> <span class="s">"The label"</span><span class="p">,</span>
<span class="s">"the password"</span><span class="p">,</span> <span class="n">null</span><span class="p">,</span> <span class="s">"number"</span><span class="p">,</span> <span class="mi">8</span><span class="p">,</span> <span class="s">"string"</span><span class="p">,</span> <span class="s">"eight"</span><span class="p">,</span>
<span class="s">"even"</span><span class="p">,</span> <span class="nb">true</span><span class="p">);</span></pre></td>
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<p>This next example stores a password synchronously. The function
call will block until the password is stored. So this is appropriate for
non GUI applications.</p>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
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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="n">Secret</span><span class="p">.</span><span class="n">password_store_sync</span> <span class="p">(</span><span class="n">example_schema</span><span class="p">,</span> <span class="n">attributes</span><span class="p">,</span> <span class="n">Secret</span><span class="p">.</span><span class="n">COLLECTION_DEFAULT</span><span class="p">,</span>
<span class="s">"The label"</span><span class="p">,</span> <span class="s">"the password"</span><span class="p">,</span> <span class="n">null</span><span class="p">,</span>
<span class="s">"number"</span><span class="p">,</span> <span class="mi">9</span><span class="p">,</span> <span class="s">"string"</span><span class="p">,</span> <span class="s">"nine"</span><span class="p">,</span> <span class="s">"even"</span><span class="p">,</span> <span class="nb">false</span><span class="p">);</span></pre></td>
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