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Rails_xss Plugin I installed the rails_xss plugin, for the main purpose of seeing what will break with Rails 3.0 (where the behaviour of the plugin is the default). I think I've fixed everything, but let me know if you see stuff that is HTML-escaped, which shouldn't be. As a side benefit, we now use Erubis, rather than ERB, to render templates. They tell me it's faster ...
2010-05-26 07:27:49 +02:00
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<head>
<title>Class: Erubis::PI::TinyEruby</title>
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<body>
<div id="classHeader">
<table class="header-table">
<tr class="top-aligned-row">
<td><strong>Class</strong></td>
<td class="class-name-in-header">Erubis::PI::TinyEruby</td>
</tr>
<tr class="top-aligned-row">
<td><strong>In:</strong></td>
<td>
<a href="../../../files/erubis/tiny_rb.html">
erubis/tiny.rb
</a>
<br />
</td>
</tr>
<tr class="top-aligned-row">
<td><strong>Parent:</strong></td>
<td>
Object
</td>
</tr>
</table>
</div>
<!-- banner header -->
<div id="bodyContent">
<div id="contextContent">
</div>
<div id="method-list">
<h3 class="section-bar">Methods</h3>
<div class="name-list">
<a href="#M000051">convert</a>&nbsp;&nbsp;
<a href="#M000053">evaluate</a>&nbsp;&nbsp;
<a href="#M000050">new</a>&nbsp;&nbsp;
<a href="#M000052">result</a>&nbsp;&nbsp;
</div>
</div>
</div>
<!-- if includes -->
<div id="section">
<div id="constants-list">
<h3 class="section-bar">Constants</h3>
<div class="name-list">
<table summary="Constants">
<tr class="top-aligned-row context-row">
<td class="context-item-name">EMBEDDED_PATTERN</td>
<td>=</td>
<td class="context-item-value">/(^[ \t]*)?&lt;\?rb(\s.*?)\?&gt;([ \t]*\r?\n)?|@(!+)?\{(.*?)\}@/m</td>
</tr>
</table>
</div>
</div>
<div id="attribute-list">
<h3 class="section-bar">Attributes</h3>
<div class="name-list">
<table>
<tr class="top-aligned-row context-row">
<td class="context-item-name">src</td>
<td class="context-item-value">&nbsp;[R]&nbsp;</td>
<td class="context-item-desc"></td>
</tr>
</table>
</div>
</div>
<!-- if method_list -->
<div id="methods">
<h3 class="section-bar">Public Class methods</h3>
<div id="method-M000050" class="method-detail">
<a name="M000050"></a>
<div class="method-heading">
<a href="#M000050" class="method-signature">
<span class="method-name">new</span><span class="method-args">(input=nil, options={})</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000050-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000050-source">
<pre>
<span class="ruby-comment cmt"># File erubis/tiny.rb, line 79</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">input</span>=<span class="ruby-keyword kw">nil</span>, <span class="ruby-identifier">options</span>={})
<span class="ruby-ivar">@escape</span> = <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:escape</span>] <span class="ruby-operator">||</span> <span class="ruby-value str">'Erubis::XmlHelper.escape_xml'</span>
<span class="ruby-ivar">@src</span> = <span class="ruby-identifier">convert</span>(<span class="ruby-identifier">input</span>) <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">input</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<h3 class="section-bar">Public Instance methods</h3>
<div id="method-M000051" class="method-detail">
<a name="M000051"></a>
<div class="method-heading">
<a href="#M000051" class="method-signature">
<span class="method-name">convert</span><span class="method-args">(input)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000051-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000051-source">
<pre>
<span class="ruby-comment cmt"># File erubis/tiny.rb, line 88</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">convert</span>(<span class="ruby-identifier">input</span>)
<span class="ruby-identifier">src</span> = <span class="ruby-value str">&quot;_buf = '';&quot;</span> <span class="ruby-comment cmt"># preamble</span>
<span class="ruby-identifier">pos</span> = <span class="ruby-value">0</span>
<span class="ruby-identifier">input</span>.<span class="ruby-identifier">scan</span>(<span class="ruby-constant">EMBEDDED_PATTERN</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">lspace</span>, <span class="ruby-identifier">stmt</span>, <span class="ruby-identifier">rspace</span>, <span class="ruby-identifier">indicator</span>, <span class="ruby-identifier">expr</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">match</span> = <span class="ruby-constant">Regexp</span>.<span class="ruby-identifier">last_match</span>
<span class="ruby-identifier">len</span> = <span class="ruby-identifier">match</span>.<span class="ruby-identifier">begin</span>(<span class="ruby-value">0</span>) <span class="ruby-operator">-</span> <span class="ruby-identifier">pos</span>
<span class="ruby-identifier">text</span> = <span class="ruby-identifier">input</span>[<span class="ruby-identifier">pos</span>, <span class="ruby-identifier">len</span>]
<span class="ruby-identifier">pos</span> = <span class="ruby-identifier">match</span>.<span class="ruby-identifier">end</span>(<span class="ruby-value">0</span>)
<span class="ruby-comment cmt">#src &lt;&lt; &quot; _buf &lt;&lt; '&quot; &lt;&lt; escape_text(text) &lt;&lt; &quot;';&quot;</span>
<span class="ruby-identifier">text</span>.<span class="ruby-identifier">gsub!</span>(<span class="ruby-regexp re">/['\\]/</span>, <span class="ruby-value str">'\\\\\&amp;'</span>)
<span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot; _buf &lt;&lt; '&quot;</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">text</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;';&quot;</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">text</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">stmt</span> <span class="ruby-comment cmt"># &lt;?rb ... ?&gt;</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">lspace</span> <span class="ruby-operator">&amp;&amp;</span> <span class="ruby-identifier">rspace</span>
<span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-node">&quot;#{lspace}#{stmt}#{rspace}&quot;</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot; _buf &lt;&lt; '&quot;</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">lspace</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;';&quot;</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">lspace</span>
<span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">stmt</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;;&quot;</span>
<span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot; _buf &lt;&lt; '&quot;</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">rspace</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;';&quot;</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">rspace</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">else</span> <span class="ruby-comment cmt"># ${...}, $!{...}</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">indicator</span>
<span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot; _buf &lt;&lt; &quot;</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-ivar">@escape</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;(&quot;</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">expr</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;);&quot;</span>
<span class="ruby-keyword kw">elsif</span> <span class="ruby-identifier">indicator</span> <span class="ruby-operator">==</span> <span class="ruby-value str">'!'</span>
<span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot; _buf &lt;&lt; (&quot;</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">expr</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;).to_s;&quot;</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-comment cmt">#rest = $' || input # ruby1.8</span>
<span class="ruby-identifier">rest</span> = <span class="ruby-identifier">pos</span> <span class="ruby-operator">==</span> <span class="ruby-value">0</span> <span class="ruby-operator">?</span> <span class="ruby-identifier">input</span> <span class="ruby-operator">:</span> <span class="ruby-identifier">input</span>[<span class="ruby-identifier">pos</span><span class="ruby-operator">..</span><span class="ruby-value">-1</span>] <span class="ruby-comment cmt"># ruby1.9</span>
<span class="ruby-comment cmt">#src &lt;&lt; &quot; _buf &lt;&lt; '&quot; &lt;&lt; escape_text(rest) &lt;&lt; &quot;';&quot;</span>
<span class="ruby-identifier">rest</span>.<span class="ruby-identifier">gsub!</span>(<span class="ruby-regexp re">/['\\]/</span>, <span class="ruby-value str">'\\\\\&amp;'</span>)
<span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot; _buf &lt;&lt; '&quot;</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">rest</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;';&quot;</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">rest</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;\n_buf.to_s\n&quot;</span> <span class="ruby-comment cmt"># postamble</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-identifier">src</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000053" class="method-detail">
<a name="M000053"></a>
<div class="method-heading">
<a href="#M000053" class="method-signature">
<span class="method-name">evaluate</span><span class="method-args">(_context=Object.new)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000053-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000053-source">
<pre>
<span class="ruby-comment cmt"># File erubis/tiny.rb, line 132</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">evaluate</span>(<span class="ruby-identifier">_context</span>=<span class="ruby-constant">Object</span>.<span class="ruby-identifier">new</span>)
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">_context</span>.<span class="ruby-identifier">is_a?</span>(<span class="ruby-constant">Hash</span>)
<span class="ruby-identifier">_obj</span> = <span class="ruby-constant">Object</span>.<span class="ruby-identifier">new</span>
<span class="ruby-identifier">_context</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">k</span>, <span class="ruby-identifier">v</span><span class="ruby-operator">|</span> <span class="ruby-identifier">_obj</span>.<span class="ruby-identifier">instance_variable_set</span>(<span class="ruby-node">&quot;@#{k}&quot;</span>, <span class="ruby-identifier">v</span>) <span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">_context</span> = <span class="ruby-identifier">_obj</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">_context</span>.<span class="ruby-identifier">instance_eval</span> <span class="ruby-ivar">@src</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000052" class="method-detail">
<a name="M000052"></a>
<div class="method-heading">
<a href="#M000052" class="method-signature">
<span class="method-name">result</span><span class="method-args">(_binding=TOPLEVEL_BINDING)</span>
</a>
</div>
<div class="method-description">
<p>
def escape_text(text)
</p>
<pre>
return text.gsub!(/['\\]/, '\\\\\&amp;') || text
</pre>
<p>
end
</p>
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000052-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000052-source">
<pre>
<span class="ruby-comment cmt"># File erubis/tiny.rb, line 128</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">result</span>(<span class="ruby-identifier">_binding</span>=<span class="ruby-constant">TOPLEVEL_BINDING</span>)
<span class="ruby-identifier">eval</span> <span class="ruby-ivar">@src</span>, <span class="ruby-identifier">_binding</span>
<span class="ruby-keyword kw">end</span>
</pre>
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