/**
* 从字符串中抓取远程图片
*
* @author tuzwu
* @createtime
* @modifytime
* @param
* @return string 替换后的字符串
*/
public function save_remote($str = '', $watermark_enable = false)
{
if (empty($str)) {
return false;
}
$list = $replace_array = array();
//这里存放结果map
$c1 = preg_match_all('/<img\\s.*?>/', $str, $m1);
//先取出所有img标签文本
for ($i = 0; $i < $c1; $i++) {
$c2 = preg_match_all('/(\\w+)\\s*=\\s*(?:(?:(["\'])(.*?)(?=\\2))|([^\\/\\s]*))/', $m1[0][$i], $m2);
//匹配所有属性
for ($j = 0; $j < $c2; $j++) {
$img_attr = $m2[1][$j];
if (!in_array($img_attr, array('src', 'alt', 'title'))) {
continue;
}
$list[$i][$img_attr] = !empty($m2[4][$j]) ? $m2[4][$j] : $m2[3][$j];
}
}
foreach ($list as $k => $v) {
if (strpos($v['src'], '://') === false || strpos_array($v['src'], array('127.0.0.1', 'localhost', ATTACHMENT_URL)) !== false) {
continue;
}
$alt = isset($v['alt']) ? remove_xss($v['alt']) : remove_xss($v['title']);
$new_path = $this->get_remote_file($v['src'], array('alt' => $alt));
if ($new_path) {
$replace_array['old'][] = $v['src'];
$replace_array['new'][] = $new_path;
}
}
return empty($replace_array['new']) ? $str : str_ireplace($replace_array['old'], $replace_array['new'], $str);
}
public function strposArray($haystack, $needles)
{
if (is_array($needles)) {
foreach ($needles as $str) {
if (is_array($str)) {
$pos = strpos_array($haystack, $str);
} else {
$pos = strpos($haystack, $str);
}
if ($pos !== false) {
return $pos;
}
}
} else {
return strpos($haystack, $needles);
}
}
function strpos_array($haystack, $needles)
{
if (is_array($needles)) {
foreach ($needles as $str) {
if (is_array($str)) {
$pos = strpos_array($haystack, $str);
} else {
if ($str != "") {
// Check if needle is not empty (added by JvdH 20141219)
$pos = strpos($haystack, $str);
}
}
if ($pos !== FALSE) {
return $pos;
}
}
} else {
return strpos($haystack, $needles);
}
}
private function _verifySignup($dummyEmail)
{
// Hardcoded sign-up page to search
$url = 'http://underconstructiontemplate.com/';
$this->load->model('home_verify');
// Prevent request flooding by checking if URL was previously verified
if ($this->home_verify->status($url) == "on-file") {
$data['result'] = "Entry Already On-File";
$this->load->view('home_index', $data);
} else {
// Load DOM
$doc = new DOMDocument();
@$doc->loadHTMLFile($url);
$xpath = new DOMXpath($doc);
// Get DOMNodeList of <input> fields within each form
$get_FormInputs = $xpath->query('//form/input');
// Turn the <input> DOMNodeList into a workable array
$FormInputs = array();
foreach ($get_FormInputs as $FormInput) {
$FormInputs[] = array('id' => $FormInput->getAttribute('id'), 'name' => $FormInput->getAttribute('name'), 'value' => $FormInput->getAttribute('value'), 'max-length' => $FormInput->getAttribute('max-length') ? $FormInput->getAttribute('max-length') : 'false', 'type' => $FormInput->getAttribute('type'), 'is_verified' => 'false');
}
/*
* Custom 'strpos' or string position implementation.
* Allows the program to search through an array of needles
* to find first <input> value condition that indicates an e-mail requirement
*/
function strpos_array($haystack, $needle)
{
// Check and set the $needle to an array if need be.
if (!is_array($needle)) {
$needle = array($needle);
}
foreach ($needle as $query) {
if ($position = strpos($haystack, $query) != false) {
return true;
}
}
return false;
}
// Array of <input> value conditions
$InputConditions = array('@', 'at', 'mail', 'e-mail');
// Verify whether or not an input is for an e-mail
$i = 0;
while ($i < count($FormInputs)) {
if ($FormInputs[$i]['type'] == 'email') {
$FormInputs[$i]['is_verified'] = 'true';
}
if ($FormInputs[$i]['max-length'] == '254') {
$FormInputs[$i]['is_verified'] = 'true';
}
if ($FormInputs[$i]['type'] == 'text') {
if (strpos_array($FormInputs[$i]['value'], $InputConditions) == true) {
$FormInputs[$i]['is_verified'] = 'true';
$i++;
} else {
$FormInputs[$i]['is_verified'] = 'false';
$i++;
}
}
$i++;
}
/**
* Create a Query for the E-Mail Sign-up Form
*
* Note: This could be expanded to account for all 24 input element types,
* but to keep things easy I stopped at what the specified page required.
*/
$form_fields = array();
for ($i2 = 0; $i2 < count($FormInputs); $i2++) {
if ($FormInputs[$i2]['is_verified'] == 'true') {
$form_fields += array($FormInputs[$i2]['name'] => $dummyEmail);
}
}
// Get <form> action path
$get_FormAction = $xpath->query('//form/@action');
// Open cURL connection
$FormAction = $get_FormAction->item(0)->nodeValue . '/';
$fields = " ";
// Make the data URL compliant for POST
foreach ($form_fields as $key => $value) {
$fields .= $key . '=' . $value . '&';
}
rtrim($fields, '&');
// Open cURL connection
$curl = curl_init();
// Set URL, POST vars, and data
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($curl, CURLOPT_HEADER, false);
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($curl, CURLOPT_URL, $FormAction);
curl_setopt($curl, CURLOPT_POST, count($form_fields));
curl_setopt($curl, CURLOPT_POSTFIELDS, $fields);
curl_setopt($curl, CURLOPT_REFERER, $FormAction);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($curl, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.125 Safari/533.4");
// Request POST result page
$curl_result = curl_exec($curl);
// Close cURL connection
curl_close($curl);
// Load DOM for POST results
$output = new DOMDocument();
libxml_use_internal_errors(true);
$output->loadHTML($curl_result);
$xpath2 = new DOMXpath($output);
// Check for confirmation validation error/message container's class
$get_UserEmailErrors = $xpath2->query('//*[@class="userEmailError"]');
// Turn 'userEmailError' DOMNodeList into usable array
$userEmailErrors = array();
foreach ($get_UserEmailErrors as $EmailErrors) {
$userEmailErrors[] = array('value' => $EmailErrors->nodeValue);
}
// Verify presence of sign-up success confirmation
if (isset($userEmailErrors[0]) == true && $userEmailErrors[0]['value'] == "Your download link has been sent!") {
// Success
$is_verified = true;
$this->home_verify->verify($url, $is_verified);
} else {
// Failure
$is_verified = false;
$this->home_verify->verify($url, $is_verified);
}
}
}
private function strpos_array($haystack, $needles)
{
if (is_array($needles)) {
foreach ($needles as $str) {
if (is_array($str)) {
$pos = strpos_array($haystack, $str);
} else {
$pos = strpos($haystack, $str);
}
if ($pos !== FALSE) {
return TRUE;
}
}
} else {
return strpos($haystack, $needles);
}
}