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Code Issues Releases Wiki Activity

Added Jsoup expression function

This commit is contained in:
M66B 2024-04-29 15:32:58 +02:00
parent 8270c9abbf
commit 0aa628dc99
3 changed files with 35 additions and 0 deletions
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1
FAQ.md
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@ -2779,6 +2779,7 @@ The following extra functions are available:
* *onBlocklist()* (returns a boolean indicating if the sender/server is on a DNS blocklist; since version 1.2179)
* *hasMx()* (returns a boolean indicating if the from/reply-to address has an associated MX record; since version 1.2179)
* *attachments()* (returns an integer indicating number of attachments; since version 1.2179)
* *Jsoup()* (returns an array of selected strings; since version 1.2179)
Example conditions:

33
app/src/main/java/eu/faircode/email/EntityRule.java
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@ -788,6 +788,37 @@ public class EntityRule {
}
}
@FunctionParameter(name = "value")
public static class JsoupFunction extends AbstractFunction {
private final Context context;
private final EntityMessage message;
JsoupFunction(Context context, EntityMessage message) {
this.context = context;
this.message = message;
}
@Override
public EvaluationValue evaluate(
Expression expression, Token functionToken, EvaluationValue... parameterValues) {
List<String> result = new ArrayList<>();
if (message != null && message.content && parameterValues.length == 1)
try {
String query = parameterValues[0].getStringValue();
File file = message.getFile(context);
Document d = JsoupEx.parse(file);
for (Element element : d.select(query))
result.add(element.text());
} catch (Throwable ex) {
Log.e("EXPR", ex);
}
Log.i("EXPR jsoup(" + parameterValues[0] + ")=" + TextUtils.join(", ", result));
return new EvaluationValue(result, ExpressionConfiguration.defaultConfiguration());
}
}
@InfixOperator(precedence = OPERATOR_PRECEDENCE_COMPARISON)
public static class ContainsOperator extends AbstractOperator {
private final boolean regex;
@ -871,6 +902,7 @@ public class EntityRule {
BlocklistFunction fBlocklist = new BlocklistFunction(context, message, headers);
MxFunction fMx = new MxFunction(context, message);
AttachmentsFunction fAttachments = new AttachmentsFunction(context, message);
JsoupFunction fJsoup = new JsoupFunction(context, message);
ContainsOperator oContains = new ContainsOperator(false);
ContainsOperator oMatches = new ContainsOperator(true);
@ -883,6 +915,7 @@ public class EntityRule {
configuration.getFunctionDictionary().addFunction("onBlocklist", fBlocklist);
configuration.getFunctionDictionary().addFunction("hasMx", fMx);
configuration.getFunctionDictionary().addFunction("attachments", fAttachments);
configuration.getFunctionDictionary().addFunction("Jsoup", fJsoup);
configuration.getOperatorDictionary().addOperator("Contains", oContains);
configuration.getOperatorDictionary().addOperator("Matches", oMatches);

1
index.html
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@ -1520,6 +1520,7 @@ X-Google-Original-From: Somebody &lt;somebody+extra@example.org&gt;</code></pre>
<li><em>onBlocklist()</em> (returns a boolean indicating if the sender/server is on a DNS blocklist; since version 1.2179)</li>
<li><em>hasMx()</em> (returns a boolean indicating if the from/reply-to address has an associated MX record; since version 1.2179)</li>
<li><em>attachments()</em> (returns an integer indicating number of attachments; since version 1.2179)</li>
<li><em>Jsoup()</em> (returns an array of selected strings; since version 1.2179)</li>
</ul>
<p>Example conditions:</p>
<p><code>header("X-Mailer") contains "Open-Xchange" &amp;&amp; from matches ".*service@.*"</code></p>