network_id, $_SESSION['user']['id'] );
if( !$page_access ) {
if( $user_type == DISABLED_MEMBER ) {
$redirect_url = $base_url.'/homepage.php?msg=7003';
}
else if( empty( $user_type ) || $user_type == NETWORK_WAITING_MEMBER) {
$redirect_url = $base_url.'/homepage.php?msg=7002';
} else {
$redirect_url = NULL;
}
if( $redirect_url ) {
header("Location:$redirect_url");
exit;
}
}
}
}//____eof__do_redirect
ob_start();
$time = gmdate('D, d M Y H:i:s').'GMT';
header("Last-Modified: $time");
header("Expires: $time");
header("Pragma: no-cache");
return 1;
}
}
function register_session($login_name,$user_id,$role,$first_name,$last_name,$email,$picture=NULL){
session_start();
$_SESSION['user']['name'] = $login_name;
$_SESSION['user']['id'] = $user_id;
$_SESSION['user']['role'] = $role;
$_SESSION['user']['first_name'] = $first_name;
$_SESSION['user']['last_name'] = $last_name;
$_SESSION['user']['email'] = $email;
$_SESSION['user']['picture'] = $picture;
}
function has_html(& $s) {
return (preg_match('/<[^>]+>/',$s)) ? true : false;
}
function chop_string($string, $length=30, $link = "") {
global $base_url;
if (has_html($string)) {
$san = new InputSanitizer();
$san->passthrough = TRUE; // we want no HTML filtering here
$return = $san->process($string, $length);
} else {
$return = substr($string, 0, $length);
if(strlen($string) > $length) {
$return .= "..";
/*if($length >= DESCRIPTION_LENGTH && !empty($link)) {
$return .= "
read more..";
}*/
}
}
$return = nl2br($return);
return $return;
}
function filter_all_post(&$post_array, $strip_all_tags = FALSE, $allow_tags_everywhere = FALSE) {
$filt = Validation::get_input_filter($strip_all_tags);
if ($allow_tags_everywhere) $filt->htmlAllowedEverywhere = TRUE;
$post_array = $filt->process($post_array);
}
//Function will take the comma separated tags as argument and return the array of these comma seprated tags
function tags_string_to_array($tagstring) {
$tags = array();
if(strlen($tagstring) > 0) {
$tags_array = explode(",",$tagstring);
foreach($tags_array as $value) {
$tags[] = $value;
}
}
return $tags;
}
// Function will take an array as argument and return the delimiter separated string
function tags_array_to_string($tagarray, $delimiter = ',') {
$tagstring = "";
if(count($tagarray) > 0) {
for($counter = 0; $counter < count($tagarray); $counter++) {
$tagstring .= $tagarray[$counter]['name'].$delimiter;
}
$tagstring = substr($tagstring, 0, strlen($tagstring) - 1);
}
return $tagstring;
}
/* This function is used to displat the formatted ouput.Following things will be handled by it
- Will split the String to chunks.
- Will Strip slashes
*/
function display_sanitized($body,$length=CHUNK_LENGTH) {
$body = stripslashes($body);
$body = chunk_split($body, $length);
return $body;
}
//This function checks the mime type of file
//purpose e.g. if we change abc.pdf to abc.gif then it will cause GD crash
//So we can check it actually
if (!function_exists('mime_content_type'))
{
function mime_content_type($f)
{
//$output = system ( trim( 'file -bi ' . escapeshellarg ( $f ) ) ) ;
$output = exec(trim('file -bi ' . escapeshellarg ($f)));
return $output;
}
}
/**
* function used to check permissions for user to do an activity
* @param $params is array of parameters like $params['action'], $param['uid']..
*/
function user_can( $params ) {
global $network_info;
$action = $params['action'];
switch( $action ) {
case 'edit_content':
case 'delete_content':
if( $params['uid'] && $params['cid'] ) {
//super admin can edit/ delete any content
if( $params['uid'] == SUPER_USER_ID ) {
return true;
}
// network owner can edit / delete any content in a network
if( Network::is_admin( $network_info->network_id, $params['uid'] ) ) {
return true;
}
//Loading content
$content_obj = Content::load_content((int)$params['cid'], $params['uid'] );
//author of the content can perform the action
if( $content_obj->author_id == $params['uid'] ) {
return true;
}
if( $content_obj->parent_collection_id != -1 ) { // content is a part of some collection
// Loading collection
$collection_obj = ContentCollection::load_collection((int)$content_obj->parent_collection_id, $params['uid'] );
// owner of collection can also edit the content
if ( $collection_obj->author_id == $params['uid'] ) {
return true;
}
}
}
break;
case 'delete_comment':
//network owner can delete any comment
global $login_uid, $network_info;
$comment = $params['comment_info'];//array having the comment details
if ($login_uid == SUPER_USER_ID) { //Super user can delete any comment
return true;
} else if ($network_info->owner_id == $login_uid) {//Network owner can delete the comment
return true;
} else if ($comment['user_id'] == $login_uid) { //Author of comment can delete the comment
return true;
}
$content = Content::load_content((int)$comment['content_id'], $login_uid);
if ($content->author_id == $login_uid) { //Author of the content can delete the comment.
return true;
} else if ($content->parent_collection_id != -1) { // means content belongs to some collection
$collection = ContentCollection::load_collection($content->parent_collection_id, $login_id);
if ($collection->author_id == $login_uid) {//If content on which comment has been posted belongs to some collection then author of that collection can delete the comment
return true;
}
}
return false;// return false in all the other cases
break;
}
return false;
}
?>