bool HTMLFrameElementBase::isURLAllowed(const AtomicString& URLString) const
{
if (URLString.isEmpty())
return true;
KURL completeURL(document()->completeURL(URLString.deprecatedString()));
completeURL.setRef(DeprecatedString::null);
// Don't allow more than 200 total frames in a set. This seems
// like a reasonable upper bound, and otherwise mutually recursive
// frameset pages can quickly bring the program to its knees with
// exponential growth in the number of frames.
// FIXME: This limit could be higher, but WebKit has some
// algorithms that happen while loading which appear to be N^2 or
// worse in the number of frames
if (Frame* parentFrame = document()->frame())
if (parentFrame->page()->frameCount() > 200)
return false;
// We allow one level of self-reference because some sites depend on that.
// But we don't allow more than one.
bool foundSelfReference = false;
for (Frame* frame = document()->frame(); frame; frame = frame->tree()->parent()) {
KURL frameURL = frame->loader()->url();
frameURL.setRef(DeprecatedString::null);
if (frameURL == completeURL) {
if (foundSelfReference)
return false;
foundSelfReference = true;
}
}
return true;
}
void SVGTransformable::parseTransformAttribute(SVGTransformList *list, const AtomicString& transform)
{
// Split string for handling 1 transform statement at a time
DeprecatedStringList subtransforms = DeprecatedStringList::split(')', transform.deprecatedString().simplifyWhiteSpace());
DeprecatedStringList::ConstIterator it = subtransforms.begin();
DeprecatedStringList::ConstIterator end = subtransforms.end();
for (; it != end; ++it) {
DeprecatedStringList subtransform = DeprecatedStringList::split('(', (*it));
if (subtransform.count() < 2)
break; // invalid transform, ignore.
subtransform[0] = subtransform[0].stripWhiteSpace().lower();
subtransform[1] = subtransform[1].simplifyWhiteSpace();
RegularExpression reg("([-]?\\d*\\.?\\d+(?:e[-]?\\d+)?)");
int pos = 0;
DeprecatedStringList params;
while (pos >= 0) {
pos = reg.search(subtransform[1], pos);
if (pos != -1) {
params += reg.cap(1);
pos += reg.matchedLength();
}
}
if (params.count() < 1)
break;
if (subtransform[0].startsWith(";") || subtransform[0].startsWith(","))
subtransform[0] = subtransform[0].right(subtransform[0].length() - 1);
RefPtr<SVGTransform> t(new SVGTransform());
if (subtransform[0] == "rotate") {
if (params.count() == 3)
t->setRotate(params[0].toDouble(),
params[1].toDouble(),
params[2].toDouble());
else if (params.count() == 1)
t->setRotate(params[0].toDouble(), 0, 0);
} else if (subtransform[0] == "translate") {
if (params.count() == 2)
t->setTranslate(params[0].toDouble(), params[1].toDouble());
else if (params.count() == 1) // Spec: if only one param given, assume 2nd param to be 0
t->setTranslate(params[0].toDouble(), 0);
} else if (subtransform[0] == "scale") {
if (params.count() == 2)
t->setScale(params[0].toDouble(), params[1].toDouble());
else if (params.count() == 1) // Spec: if only one param given, assume uniform scaling
t->setScale(params[0].toDouble(), params[0].toDouble());
} else if (subtransform[0] == "skewx" && (params.count() == 1))
t->setSkewX(params[0].toDouble());
else if (subtransform[0] == "skewy" && (params.count() == 1))
t->setSkewY(params[0].toDouble());
else if (subtransform[0] == "matrix" && (params.count() == 6)) {
SVGMatrix *ret = new SVGMatrix(params[0].toDouble(),
params[1].toDouble(),
params[2].toDouble(),
params[3].toDouble(),
params[4].toDouble(),
params[5].toDouble());
t->setMatrix(ret);
}
if (t->type() == SVG_TRANSFORM_UNKNOWN)
break; // failed to parse a valid transform, abort.
list->appendItem(t.release().release());
}
}
