public function __construct(\WhatsProt $parent, \ProtocolNode $node)
{
$this->node = $node;
$this->type = $node->getAttribute('type');
$this->parent = $parent;
$this->phoneNumber = $this->parent->getMyNumber();
}
/**
* @param ProtocolNode $node
*/
public function process($node)
{
// Example of process function, you have to guess a number (psss it's 5)
// If you guess it right you get a gift
$text = $node->getChild('body');
$text = $text->getData();
if ($text && ($text == "5" || trim($text) == "5")) {
$this->wp->sendMessageImage($this->target, "https://s3.amazonaws.com/f.cl.ly/items/2F3U0A1K2o051q1q1e1G/baby-nailed-it.jpg");
$this->wp->sendMessage($this->target, "Congratulations you guessed the right number!");
} elseif (ctype_digit($text)) {
if ((int) $text != "5") {
$this->wp->sendMessage($this->target, "I'm sorry, try again!");
}
}
$text = $node->getChild('body');
$text = $text->getData();
$notify = $node->getAttribute("notify");
echo "\n- " . $notify . ": " . $text . " " . date('H:i') . "\n";
}
/**
* check if call is from command line.
*
* @return bool
*/
private static function isCli()
{
if (self::$cli === null) {
//initial setter
if (php_sapi_name() == 'cli') {
self::$cli = true;
} else {
self::$cli = false;
}
}
return self::$cli;
}
/**
* @param ProtocolNode $node
*/
public function process($node)
{
// Example of process function, you have to guess a number (psss it's 5)
// If you guess it right you get a gift
$text = $node->getChild('body');
$text = $text->getData();
if ($text && ($text == "5" || trim($text) == "5")) {
$iconfile = "../../tests/Gift.jpgb64";
$fp = fopen($iconfile, "r");
$icon = fread($fp, filesize($iconfile));
fclose($fp);
$this->wp->sendMessageImage($this->target, "https://mms604.whatsapp.net/d11/26/09/8/5/85a13e7812a5e7ad1f8071319d9d1b43.jpg", "hero.jpg", 84712, $icon);
$this->wp->sendMessage($this->target, "Congratulations you guessed the right number!");
} else {
$this->wp->sendMessage($this->target, "I'm sorry, try again!");
}
}
/**
* Send node to the WhatsApp server.
* @param ProtocolNode $node
*/
protected function sendNode($node, $encrypt = true)
{
$this->debugPrint($node->nodeString("tx ") . "\n");
$this->sendData($this->writer->write($node, $encrypt));
}
/**
* @param ProtocolNode $groupNode
* @param mixed $fromGetGroups
*/
protected function handleGroupV2InfoResponse(ProtocolNode $groupNode, $fromGetGroups = false)
{
$creator = $groupNode->getAttribute('creator');
$creation = $groupNode->getAttribute('creation');
$subject = $groupNode->getAttribute('subject');
$groupID = $groupNode->getAttribute('id');
$participants = array();
$admins = array();
if ($groupNode->getChild(0) != null) {
foreach ($groupNode->getChildren() as $child) {
$participants[] = $child->getAttribute('jid');
if ($child->getAttribute('type') == "admin") {
$admins[] = $child->getAttribute('jid');
}
}
}
$this->eventManager()->fire("onGetGroupV2Info", array($this->phoneNumber, $groupID, $creator, $creation, $subject, $participants, $admins, $fromGetGroups));
}
public function process(\ProtocolNode $node)
{
$text = $node->getChild('body');
$text = $text->getData();
$notify = $node->getAttribute('notify');
echo "\n- " . $notify . ': ' . $text . ' ' . date('H:i') . "\n";
}
/**
* Send node to the WhatsApp server.
* @param ProtocolNode $node
* @param bool $encrypt
*/
public function sendNode($node, $encrypt = true)
{
$this->timeout = time();
$this->debugPrint($node->nodeString("tx ") . "\n");
$this->sendData($this->writer->write($node, $encrypt));
}
/**
* @param ProtocolNode $node
*/
protected function writeInternal($node)
{
$len = 1;
if ($node->getAttributes() != null) {
$len += count($node->getAttributes()) * 2;
}
if (count($node->getChildren()) > 0) {
$len += 1;
}
if (strlen($node->getData()) > 0) {
$len += 1;
}
$this->writeListStart($len);
$this->writeString($node->getTag());
$this->writeAttributes($node->getAttributes());
if (strlen($node->getData()) > 0) {
$this->writeBytes($node->getData());
}
if ($node->getChildren()) {
$this->writeListStart(count($node->getChildren()));
foreach ($node->getChildren() as $child) {
$this->writeInternal($child);
}
}
}
/**
* Get attributes from Node
*
* @param ProtocolNode $node
* @return string
*/
public function getAttributesHashFromNode($node)
{
$txt = '';
$attributes = $node->getAttributes();
if ($attributes) {
foreach ($attributes as $key => $value) {
$txt .= $key . ': ' . $value . "\n";
}
}
return $txt;
}
protected function processEncryptedNode(ProtocolNode $node)
{
if ($this->parent->getAxolotlStore() == null) {
return;
}
//is a chat encrypted message
$from = $node->getAttribute('from');
if (strpos($from, Constants::WHATSAPP_SERVER) !== false) {
$author = ExtractNumber($node->getAttribute('from'));
$version = $node->getChild(0)->getAttribute('v');
$encType = $node->getChild(0)->getAttribute('type');
$encMsg = $node->getChild('enc')->getData();
if (!$this->parent->getAxolotlStore()->containsSession($author, 1)) {
//we don't have the session to decrypt, save it in pending and process it later
$this->parent->addPendingNode($node);
$this->parent->logFile('info', 'Requesting cipher keys from {from}', ['from' => $author]);
$this->parent->sendGetCipherKeysFromUser($author);
} else {
//decrypt the message with the session
if ($node->getChild('enc')->getAttribute('count') == '') {
$this->parent->setRetryCounter($node->getAttribute('id'), 1);
}
if ($version == '2') {
if (!in_array($author, $this->parent->getv2Jids())) {
$this->parent->setv2Jids($author);
}
}
$plaintext = $this->decryptMessage($from, $encMsg, $encType, $node->getAttribute('id'), $node->getAttribute('t'));
//$plaintext ="A";
if ($plaintext === false) {
$this->parent->sendRetry($this->node, $from, $node->getAttribute('id'), $node->getAttribute('t'));
$this->parent->logFile('info', 'Couldn\'t decrypt message with {id} id from {from}. Retrying...', ['id' => $node->getAttribute('id'), 'from' => ExtractNumber($from)]);
return $node;
// could not decrypt
}
if (isset($this->parent->retryNodes[$node->getAttribute('id')])) {
unset($this->parent->retryNodes[$node->getAttribute('id')]);
}
if (isset($this->parent->retryCounters[$node->getAttribute('id')])) {
unset($this->parent->retryCounters[$node->getAttribute('id')]);
}
switch ($node->getAttribute('type')) {
case 'text':
$node->addChild(new ProtocolNode('body', null, null, $plaintext));
break;
case 'media':
switch ($node->getChild('enc')->getAttribute('mediatype')) {
case 'image':
$image = new ImageMessage();
$image->parseFromString($plaintext);
$keys = (new HKDFv3())->deriveSecrets($image->getRefKey(), hex2bin('576861747341707020496d616765204b657973'), 112);
$iv = substr($keys, 0, 16);
$keys = substr($keys, 16);
$parts = str_split($keys, 32);
$key = $parts[0];
$macKey = $parts[1];
$refKey = $parts[2];
//should be changed to nice curl, no extra headers :D
$file_enc = file_get_contents($image->getUrl());
//requires mac check , last 10 chars
$mac = substr($file_enc, -10);
$cipherImage = substr($file_enc, 0, strlen($file_enc) - 10);
$decrypted_image = pkcs5_unpad(mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $key, $cipherImage, MCRYPT_MODE_CBC, $iv));
//$save_file = tempnam(sys_get_temp_dir(),"WAIMG_");
//file_put_contents($save_file,$decrypted_image);
$child = new ProtocolNode('media', ['size' => $image->getLength(), 'caption' => $image->getCaption(), 'url' => $image->getUrl(), 'mimetype' => $image->getMimeType(), 'filehash' => bin2hex($image->getSha256()), 'width' => 0, 'height' => 0, 'file' => $decrypted_image, 'type' => 'image'], null, $image->getThumbnail());
$node->addChild($child);
break;
}
break;
}
$this->parent->logFile('info', 'Decrypted message with {id} from {from}', ['id' => $node->getAttribute('id'), 'from' => ExtractNumber($from)]);
return $node;
}
} else {
$author = ExtractNumber($node->getAttribute('participant'));
$group_number = ExtractNumber($node->getAttribute('from'));
$childs = $node->getChildren();
foreach ($childs as $child) {
if ($child->getAttribute('type') == 'pkmsg' || $child->getAttribute('type') == 'msg') {
if (!$this->parent->getAxolotlStore()->containsSession($author, 1)) {
$this->parent->addPendingNode($node);
$this->parent->sendGetCipherKeysFromUser($author);
break;
} else {
//decrypt senderKey and save it
$encType = $child->getAttribute('type');
$encMsg = $child->getData();
$from = $node->getAttribute('participant');
$version = $child->getAttribute('v');
if ($node->getChild('enc')->getAttribute('count') == '') {
$this->parent->setRetryCounter($node->getAttribute('id'), 1);
}
if ($version == '2') {
if (!in_array($author, $this->parent->getv2Jids())) {
$this->parent->setv2Jids($author);
}
}
$skip_unpad = $node->getChild('enc', ['type' => 'skmsg']) == null;
$senderKeyBytes = $this->decryptMessage($from, $encMsg, $encType, $node->getAttribute('id'), $node->getAttribute('t'), $node->getAttribute('from'), $skip_unpad);
if ($senderKeyBytes) {
if (!$skip_unpad) {
$senderKeyGroupMessage = new SenderKeyGroupMessage();
$senderKeyGroupMessage->parseFromString($senderKeyBytes);
} else {
$senderKeyGroupMessage = new SenderKeyGroupData();
try {
$senderKeyGroupMessage->parseFromString($senderKeyBytes);
} catch (Exception $ex) {
try {
$senderKeyGroupMessage->parseFromString(substr($senderKeyBytes, 0, -1));
} catch (Exception $ex) {
return $node;
}
}
$message = $senderKeyGroupMessage->getMessage();
$senderKeyGroupMessage = $senderKeyGroupMessage->getSenderKey();
}
$senderKey = new SenderKeyDistributionMessage(null, null, null, null, $senderKeyGroupMessage->getSenderKey());
$groupSessionBuilder = new GroupSessionBuilder($this->parent->axolotlStore);
$groupSessionBuilder->processSender($group_number . ':' . $author, $senderKey);
if (isset($message)) {
$this->parent->sendReceipt($node, 'receipt', $this->parent->getJID($this->phoneNumber));
$node->addChild(new ProtocolNode('body', null, null, $message));
}
}
}
} elseif ($child->getAttribute('type') == 'skmsg') {
$version = $child->getAttribute('v');
if ($version == '2') {
if (!in_array($author, $this->parent->v2Jids)) {
$this->parent->setv2Jids($author);
}
}
$plaintext = $this->decryptMessage([$group_number, $author], $child->getData(), $child->getAttribute('type'), $node->getAttribute('id'), $node->getAttribute('t'));
if (!$plaintext) {
$this->parent->sendRetry($this->node, $from, $node->getAttribute('id'), $node->getAttribute('t'), $node->getAttribute('participant'));
$this->parent->logFile('info', 'Couldn\'t decrypt group message with {id} id from {from}. Retrying...', ['id' => $node->getAttribute('id'), 'from' => $from]);
return $node;
// could not decrypt
} else {
if (isset($this->parent->retryNodes[$node->getAttribute('id')])) {
unset($this->parent->retryNodes[$node->getAttribute('id')]);
}
if (isset($this->parent->retryCounters[$node->getAttribute('id')])) {
unset($this->parent->retryCounters[$node->getAttribute('id')]);
}
$this->parent->logFile('info', 'Decrypted group message with {id} from {from}', ['id' => $node->getAttribute('id'), 'from' => $from]);
$this->parent->sendReceipt($node, 'receipt', $this->parent->getJID($this->phoneNumber));
$node->addChild(new ProtocolNode('body', null, null, $plaintext));
}
}
}
}
}
protected function processEncryptedNode(ProtocolNode $node)
{
if ($this->parent->getAxolotlStore() == null) {
return null;
}
//is a chat encrypted message
$from = $node->getAttribute('from');
if (strpos($from, Constants::WHATSAPP_SERVER) !== false) {
$author = ExtractNumber($node->getAttribute("from"));
$version = $node->getChild(0)->getAttribute("v");
$encType = $node->getChild(0)->getAttribute("type");
$encMsg = $node->getChild("enc")->getData();
if (!$this->parent->getAxolotlStore()->containsSession($author, 1)) {
//we don't have the session to decrypt, save it in pending and process it later
$this->parent->addPendingNode($node);
$this->parent->logFile('info', 'Requesting cipher keys from {from}', array('from' => $author));
$this->parent->sendGetCipherKeysFromUser($author);
} else {
//decrypt the message with the session
if ($node->getChild("enc")->getAttribute('count') == "") {
$this->parent->setRetryCounter = 1;
}
if ($version == "2") {
if (!in_array($author, $this->parent->getv2Jids())) {
$this->parent->setv2Jids($author);
}
}
$plaintext = $this->decryptMessage($from, $encMsg, $encType, $node->getAttribute('id'), $node->getAttribute('t'));
if (!$plaintext) {
$this->parent->sendRetry($from, $node->getAttribute('id'), $node->getAttribute('t'));
$this->parent->logFile('info', 'Couldn\'t decrypt message with {id} id from {from}. Retrying...', array('id' => $node->getAttribute('id'), 'from' => ExtractNumber($from)));
return $node;
// could not decrypt
}
switch ($node->getAttribute("type")) {
case "text":
$node->addChild(new ProtocolNode("body", null, null, $plaintext));
break;
case "media":
switch ($node->getChild("enc")->getAttribute("mediatype")) {
case "image":
$image = new ImageMessage();
$image->parseFromString($plaintext);
break;
}
break;
}
$this->parent->logFile('info', 'Decrypted message with {id} from {from}', array('id' => $node->getAttribute('id'), 'from' => ExtractNumber($from)));
return $node;
}
} else {
$author = ExtractNumber($node->getAttribute("participant"));
$group_number = ExtractNumber($node->getAttribute("from"));
$childs = $node->getChildren();
foreach ($childs as $child) {
if ($child->getAttribute("type") == "pkmsg" || $child->getAttribute("type") == "msg") {
if (!$this->parent->getAxolotlStore()->containsSession($author, 1)) {
$this->parent->addPendingNode($node);
$this->parent->sendGetCipherKeysFromUser($author);
break;
} else {
//decrypt senderKey and save it
$encType = $child->getAttribute("type");
$encMsg = $child->getData();
$from = $node->getAttribute("participant");
$version = $child->getAttribute("v");
if ($node->getChild("enc")->getAttribute('count') == "") {
$this->parent->retryCounter = 1;
}
if ($version == "2") {
if (!in_array($author, $this->parent->getv2Jids())) {
$this->parent->setv2Jids($author);
}
}
$skip_unpad = $node->getChild("enc", ["type" => "skmsg"]) == null;
$senderKeyBytes = $this->decryptMessage($from, $encMsg, $encType, $node->getAttribute('id'), $node->getAttribute('t'), $node->getAttribute("from"), $skip_unpad);
if ($senderKeyBytes) {
if (!$skip_unpad) {
$senderKeyGroupMessage = new SenderKeyGroupMessage();
$senderKeyGroupMessage->parseFromString($senderKeyBytes);
} else {
$senderKeyGroupMessage = new SenderKeyGroupData();
try {
$senderKeyGroupMessage->parseFromString($senderKeyBytes);
} catch (Exception $ex) {
try {
$senderKeyGroupMessage->parseFromString(substr($senderKeyBytes, 0, -1));
} catch (Exception $ex) {
return $node;
}
}
$message = $senderKeyGroupMessage->getMessage();
$senderKeyGroupMessage = $senderKeyGroupMessage->getSenderKey();
}
$senderKey = new SenderKeyDistributionMessage(null, null, null, null, $senderKeyGroupMessage->getSenderKey());
$groupSessionBuilder = new GroupSessionBuilder($this->axolotlStore);
$groupSessionBuilder->processSender($group_number . ":" . $author, $senderKey);
if (isset($message)) {
$this->parent->sendReceipt($node, 'receipt', $this->parent->getJID($this->phoneNumber));
$node->addChild(new ProtocolNode("body", null, null, $message));
}
}
}
} else {
if ($child->getAttribute("type") == "skmsg") {
$version = $child->getAttribute("v");
if ($version == "2") {
if (!in_array($author, $this->v2Jids)) {
$this->v2Jids[] = $author;
}
}
$plaintext = $this->decryptMessage([$group_number, $author], $child->getData(), $child->getAttribute("type"), $node->getAttribute('id'), $node->getAttribute('t'));
if (!$plaintext) {
$this->parent->sendRetry($from, $node->getAttribute('id'), $node->getAttribute('t'));
$this->parent->logFile('info', 'Couldn\'t decrypt group message with {id} id from {from}. Retrying...', array('id' => $node->getAttribute('id'), 'from' => $from));
return $node;
// could not decrypt
} else {
$this->parent->logFile('info', 'Decrypted group message with {id} from {from}', array('id' => $node->getAttribute('id'), 'from' => $from));
$this->parent->sendReceipt($node, 'receipt', $this->parent->getJID($this->phoneNumber));
$node->addChild(new ProtocolNode("body", null, null, $plaintext));
}
}
}
}
}
}
/**
* Tell the server we received the message.
*
* @param ProtocolNode $msg
* The ProtocolTreeNode that contains the message.
*/
protected function sendMessageReceived($msg, $type = null)
{
if ($type) {
$messageHash["type"] = $type;
}
$messageHash = array();
$messageHash["to"] = $msg->getAttribute("from");
$messageHash["id"] = $msg->getAttribute("id");
$messageNode = new ProtocolNode("receipt", $messageHash, null, null);
$this->sendNode($messageNode);
$this->eventManager()->fireSendMessageReceived($this->phoneNumber, $msg->getAttribute("id"), $msg->getAttribute("from"), $type);
}
/**
* Tell the server we received the message.
*
* @param ProtocolNode $node The ProtocolTreeNode that contains the message.
* @param string $type
* @param string $participant
* @param string $callId
*/
public function sendReceipt($node, $type = "read", $participant = null, $callId = null)
{
$messageHash = array();
if ($type == "read") {
$messageHash["type"] = $type;
}
if ($participant != null) {
$messageHash["participant"] = $participant;
}
$messageHash["to"] = $node->getAttribute("from");
$messageHash["id"] = $node->getAttribute("id");
$messageHash["t"] = $node->getAttribute("t");
if ($callId != null) {
$offerNode = new ProtocolNode("offer", array("call-id" => $callId), null, null);
$messageNode = new ProtocolNode("receipt", $messageHash, array($offerNode), null);
} else {
$messageNode = new ProtocolNode("receipt", $messageHash, null, null);
}
$this->sendNode($messageNode);
$this->eventManager()->fire("onSendMessageReceived", array($this->phoneNumber, $node->getAttribute("id"), $node->getAttribute("from"), $type));
}
public function process(\ProtocolNode $node)
{
if ($node->getAttribute('type') == 'text') {
$text = $node->getChild('body');
$text = $text->getData();
$number = ExtractNumber($node->getAttribute('from'));
$nickname = findNicknameByPhone($number);
echo "\n- " . $nickname . ': ' . $text . ' ' . date('H:i') . "\n";
}
}
