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(ignore, bad pull request) #1957

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3 changes: 3 additions & 0 deletions lib/handlebars/runtime.js
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Original file line number Diff line number Diff line change
Expand Up @@ -133,6 +133,9 @@ export function template(templateSpec, env) {
}

if (resultIsAllowed(result, container.protoAccessControl, propertyName)) {
if (typeof result === 'function') {
return parent[propertyName]();
}
return result;
}
return undefined;
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11 changes: 11 additions & 0 deletions spec/security.js
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Expand Up @@ -285,6 +285,17 @@ describe('security issues', function () {
})
.toCompileTo('abc');
});

it('should use a proto method to trim a string', function () {
expectTemplate('{{aString.trim}}')
.withInput({ aString: ' abc ' })
.withRuntimeOptions({
allowedProtoMethods: {
trim: true,
},
})
.toCompileTo('abc');
});
});

describe('control access to prototype non-methods via "allowedProtoProperties" and "allowProtoPropertiesByDefault', function () {
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