/**
* Used by HTTP clients to upload a new image to the server
* @class Q/image
* @method post
* @param {array} [$params] Parameters that can come from the request
* @param {string} [$params.icon.data] Required if $_FILES is empty. Base64-encoded data URI - see RFC 2397
* @param {string} [$params.icon.path="uploads"] parent path under web dir (see subpath)
* @param {string} [$params.icon.subpath=""] subpath that should follow the path, to save the image under
* @param {string} [$params.icon.merge=""] path under web dir for an optional image to use as a background
* @param {string} [$params.icon.crop] array with keys "x", "y", "w", "h" to crop the original image
* @param {string} [$params.icon.save=array("x" => "")] array of $size => $basename pairs
* where the size is of the format "WxH", and either W or H can be empty.
*/
function Q_image_post($params = null)
{
$p = $params ? $params : Q::take($_REQUEST, array('data', 'path', 'subpath', 'merge', 'crop', 'save'));
if (!empty($_FILES)) {
$file = reset($_FILES);
$tmp = $file['tmp_name'];
if (empty($p['data'])) {
$p['data'] = file_get_contents($tmp);
}
unlink($tmp);
} else {
if (empty($p['data'])) {
throw new Q_Exception_RequiredField(array('field' => 'data'), 'data');
}
$p['data'] = base64_decode(chunk_split(substr($p['data'], strpos($p['data'], ',') + 1)));
}
$timeLimit = Q_Config::get('Q', 'uploads', 'limits', 'image', 'time', 5 * 60 * 60);
set_time_limit($timeLimit);
// default is 5 min
$data = Q_Image::save($p);
if (empty($params)) {
Q_Response::setSlot('data', $data);
}
return $data;
}
function Users_thumbnail_response()
{
$slots = Q_Response::slots(true);
if (isset($slots['data'])) {
return;
}
if (!isset($_REQUEST['hash'])) {
throw new Q_Exception_WrongValue(array('field' => 'hash', 'range' => "identifier hash"));
}
$hash = $_REQUEST['hash'];
header("Content-type: image/png");
$gravatar = isset($_REQUEST['gravatar']) ? $_REQUEST['gravatar'] : Q_Config::get('Users', 'login', 'gravatar', false);
$result = Q_Image::avatar($hash, isset($_REQUEST['size']) ? $_REQUEST['size'] : null, isset($_REQUEST['type']) ? $_REQUEST['type'] : null, $gravatar);
if ($gravatar) {
echo $result;
} else {
imagepng($result);
}
return false;
}
/**
* Imports an icon and sets $user->icon to the url.
* @method importIcon
* @static
* @param {array} $user The user for whom the icon should be downloaded
* @param {array} [$urls=array()] Array of urls
* @param {string} [$directory=null] Defaults to APP/files/APP/uploads/Users/USERID/icon/imported
* @return {string} the path to the icon directory
*/
static function importIcon($user, $urls = array(), $directory = null)
{
if (empty($directory)) {
$app = Q_Config::expect('Q', 'app');
$directory = APP_FILES_DIR . DS . $app . DS . 'uploads' . DS . 'Users' . DS . Q_Utils::splitId($user->id) . DS . 'icon' . DS . 'imported';
}
if (empty($urls)) {
return $directory;
}
Q_Utils::canWriteToPath($directory, false, true);
$type = Q_Config::get('Users', 'login', 'iconType', 'wavatar');
$largestSize = 0;
$largestUrl = null;
$largestImage = null;
foreach ($urls as $basename => $url) {
if (!is_string($url)) {
continue;
}
$filename = $directory . DS . $basename;
$info = pathinfo($filename);
$size = $info['filename'];
if ((string) (int) $size !== $size) {
continue;
}
if ($largestSize < (int) $size) {
$largestSize = (int) $size;
$largestUrl = $url;
}
}
if ($largestSize) {
$largestImage = imagecreatefromstring(file_get_contents($largestUrl));
}
foreach ($urls as $basename => $url) {
if (is_string($url)) {
$filename = $directory . DS . $basename;
$info = pathinfo($filename);
$size = $info['filename'];
$success = false;
if ($largestImage and (string) (int) $size === $size) {
if ($size == $largestSize) {
$image = $largestImage;
$success = true;
} else {
$image = imagecreatetruecolor($size, $size);
imagealphablending($image, false);
$success = imagecopyresampled($image, $largestImage, 0, 0, 0, 0, $size, $size, $largestSize, $largestSize);
}
}
if (!$success) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
$data = curl_exec($ch);
curl_close($ch);
$image = imagecreatefromstring($data);
}
$info = pathinfo($filename);
switch ($info['extension']) {
case 'png':
$func = 'imagepng';
imagesavealpha($image, true);
imagealphablending($image, true);
break;
case 'jpeg':
case 'jpeg':
$func = 'imagejpeg';
break;
case 'gif':
$func = 'imagegif';
break;
}
call_user_func($func, $image, $directory . DS . $info['filename'] . '.png');
} else {
Q_Image::put($directory . DS . $basename, $url['hash'], $url['size'], $type, Q_Config::get('Users', 'login', 'gravatar', false));
}
}
$head = APP_FILES_DIR . DS . $app . DS . 'uploads';
$tail = str_replace(DS, '/', substr($directory, strlen($head)));
$user->icon = '{{baseUrl}}/uploads' . $tail;
return $directory;
}
/**
* Used to create a new stream
*
* @param {array} $_REQUEST
* @param {String} [$_REQUEST.title] Required. The title of the interest.
* @param {String} [$_REQUEST.publisherId] Optional. Defaults to the app name.
* @param {String} [$_REQUEST.subscribe] Optional. Defauls to false. Whether to subscribe rather than just join the interest stream.
* @return {void}
*/
function Streams_interest_post()
{
$user = Users::loggedInUser(true);
$title = Q::ifset($_REQUEST, 'title', null);
if (!isset($title)) {
throw new Q_Exception_RequiredField(array('field' => 'title'));
}
$app = Q_Config::expect('Q', 'app');
$publisherId = Q::ifset($_REQUEST, 'publisherId', $app);
$name = 'Streams/interest/' . Q_Utils::normalize($title);
$stream = Streams::fetchOne(null, $publisherId, $name);
if (!$stream) {
$stream = Streams::create($publisherId, $publisherId, 'Streams/interest', array('name' => $name, 'title' => $title));
$parts = explode(': ', $title, 2);
$keywords = implode(' ', $parts);
try {
$data = Q_Image::pixabay($keywords, array('orientation' => 'horizontal', 'min_width' => '500', 'safesearch' => 'true', 'image_type' => 'photo'), true);
} catch (Exception $e) {
Q::log("Exception during Streams/interest post: " . $e->getMessage());
$data = null;
}
if (!empty($data)) {
$sizes = Q_Config::expect('Streams', 'icons', 'sizes');
ksort($sizes);
$params = array('data' => $data, 'path' => "plugins/Streams/img/icons", 'subpath' => $name, 'save' => $sizes, 'skipAccess' => true);
Q_Image::save($params);
$stream->icon = $name;
}
$stream->save();
}
$subscribe = !!Q::ifset($_REQUEST, 'subscribe', false);
if ($subscribe) {
if (!$stream->subscription($user->id)) {
$stream->subscribe();
}
} else {
$stream->join();
}
$myInterestsName = 'Streams/user/interests';
$myInterests = Streams::fetchOne($user->id, $user->id, $myInterestsName);
if (!$myInterests) {
$myInterests = new Streams_Stream();
$myInterests->publisherId = $user->id;
$myInterests->name = $myInterestsName;
$myInterests->type = 'Streams/category';
$myInterests->title = 'My Interests';
$myInterests->save();
}
Streams::relate($user->id, $user->id, 'Streams/user/interests', 'Streams/interest', $publisherId, $name, array('weight' => '+1'));
Q_Response::setSlot('publisherId', $publisherId);
Q_Response::setSlot('streamName', $name);
/**
* Occurs when the logged-in user has successfully added an interest via HTTP
* @event Streams/interest/post {after}
* @param {string} publisherId The publisher of the interest stream
* @param {string} title The title of the interest
* @param {boolean} subscribe Whether the user subscribed to the interest stream
* @param {Users_User} user The logged-in user
* @param {Streams_Stream} stream The interest stream
* @param {Streams_Stream} myInterests The user's "Streams/user/interests" stream
*/
Q::event("Streams/interest/add", compact('publisherId', 'title', 'subscribe', 'user', 'stream', 'myInterests'), 'after');
}
