/**
* Replace strings in the message searching through all the allowed sub-parts.
* @param Swift_Message_Mime The message (or part)
* @param array The list of replacements
* @param array The array to cache original values into where needed
*/
protected function recursiveReplace(Swift_Message_Mime $mime, $replacements, &$store)
{
//Check headers
if ($this->getPermittedInHeaders()) {
foreach ($mime->headers->getList() as $name => $value) {
if (is_string($value) && ($replaced = $this->replace($replacements, $value)) != $value) {
$mime->headers->set($name, $replaced);
$store["headers"][$name] = array();
$store["headers"][$name]["value"] = $value;
$store["headers"][$name]["attributes"] = array();
}
foreach ($mime->headers->listAttributes($name) as $att_name => $att_value) {
if (is_string($att_value) && ($att_replaced = $this->replace($replacements, $att_value)) != $att_value) {
if (!isset($store["headers"][$name])) {
$store["headers"][$name] = array("value" => false, "attributes" => array());
}
$mime->headers->setAttribute($name, $att_name, $att_replaced);
$store["headers"][$name]["attributes"][$att_name] = $att_value;
}
}
}
}
//Check body
$body = $mime->getData();
if ($this->isPermittedType($mime->getContentType()) && is_string($body) && ($replaced = $this->replace($replacements, $body)) != $body) {
$mime->setData($replaced);
$store["body"] = $body;
}
//Check sub-parts
foreach ($mime->listChildren() as $id) {
$store["children"][$id] = array("headers" => array(), "body" => false, "children" => array());
$child = $mime->getChild($id);
$this->recursiveReplace($child, $replacements, $store["children"][$id]);
}
}
/**
* Attach a mime part or an attachment of some sort
* Any descendant of Swift_Message_Mime can be added safely (including other Swift_Message objects for mail forwarding!!)
* @param Swift_Message_Mime The document to attach
* @param string An identifier to use (one is returned otherwise)
* @return string The identifier for the part
*/
public function attach(Swift_Message_Mime $child, $id = null)
{
try {
switch ($child->getLevel()) {
case Swift_Message_Mime::LEVEL_ALTERNATIVE:
$sign = strtolower($child->getContentType()) == "text/plain" ? -1 : 1;
$id = $this->getReference("parent", "alternative")->addChild($child, $id, $sign);
$this->setReference("alternative", $id, $child);
break;
case Swift_Message_Mime::LEVEL_RELATED:
$id = "cid:" . $child->getContentId();
$id = $this->getReference("parent", "related")->addChild($child, $id, 1);
$this->setReference("related", $id, $child);
break;
case Swift_Message_Mime::LEVEL_MIXED:
default:
$id = $this->getReference("parent", "mixed")->addChild($child, $id, 1);
$this->setReference("mixed", $id, $child);
break;
}
$this->postAttachFixStructure();
$this->fixContentType();
return $id;
} catch (Swift_Message_MimeException $e) {
throw new Swift_Message_MimeException("Something went wrong whilst trying to move some MIME parts during an attach(). " . "The MIME component threw an exception:<br />" . $e->getMessage());
}
}
