function qa_upload_file($localfilename, $sourcefilename, $maxfilesize = null, $onlyimage = false, $imagemaxwidth = null, $imagemaxheight = null)
{
if (qa_to_override(__FUNCTION__)) {
$args = func_get_args();
return qa_call_override(__FUNCTION__, $args);
}
$result = array();
// Check per-user upload limits
require_once QA_INCLUDE_DIR . 'qa-app-users.php';
require_once QA_INCLUDE_DIR . 'qa-app-limits.php';
switch (qa_user_permit_error(null, QA_LIMIT_UPLOADS)) {
case 'limit':
$result['error'] = qa_lang('main/upload_limit');
return $result;
case false:
qa_limits_increment(qa_get_logged_in_userid(), QA_LIMIT_UPLOADS);
break;
default:
$result['error'] = qa_lang('users/no_permission');
return $result;
}
// Check the uploaded file is not too large
$filesize = filesize($localfilename);
if (isset($maxfilesize)) {
$maxfilesize = min($maxfilesize, qa_get_max_upload_size());
} else {
$maxfilesize = qa_get_max_upload_size();
}
if ($filesize <= 0 || $filesize > $maxfilesize) {
// if file was too big for PHP, $filesize will be zero
$result['error'] = qa_lang_sub('main/max_upload_size_x', number_format($maxfilesize / 1048576, 1) . 'MB');
return $result;
}
// Find out what type of source file was uploaded and if appropriate, check it's an image and get preliminary size measure
$pathinfo = pathinfo($sourcefilename);
$format = strtolower(@$pathinfo['extension']);
$isimage = $format == 'png' || $format == 'gif' || $format == 'jpeg' || $format == 'jpg';
// allowed image extensions
if ($isimage) {
$imagesize = @getimagesize($localfilename);
if (is_array($imagesize)) {
$result['width'] = $imagesize[0];
$result['height'] = $imagesize[1];
switch ($imagesize['2']) {
// reassign format based on actual content, if we can
case IMAGETYPE_GIF:
$format = 'gif';
break;
case IMAGETYPE_JPEG:
$format = 'jpeg';
break;
case IMAGETYPE_PNG:
$format = 'png';
break;
}
}
}
$result['format'] = $format;
if ($onlyimage) {
if (!$isimage || !is_array($imagesize)) {
$result['error'] = qa_lang_sub('main/image_not_read', 'GIF, JPG, PNG');
return $result;
}
}
// Read in the raw file contents
$content = file_get_contents($localfilename);
// If appropriate, get more accurate image size and apply constraints to it
require_once QA_INCLUDE_DIR . 'qa-util-image.php';
if ($isimage && qa_has_gd_image()) {
$image = @imagecreatefromstring($content);
if (is_resource($image)) {
$result['width'] = $width = imagesx($image);
$result['height'] = $height = imagesy($image);
if (isset($imagemaxwidth) || isset($imagemaxheight)) {
if (qa_image_constrain($width, $height, isset($imagemaxwidth) ? $imagemaxwidth : $width, isset($imagemaxheight) ? $imagemaxheight : $height)) {
qa_gd_image_resize($image, $width, $height);
if (is_resource($image)) {
$content = qa_gd_image_jpeg($image);
$result['format'] = $format = 'jpeg';
$result['width'] = $width;
$result['height'] = $height;
}
}
}
if (is_resource($image)) {
// might have been lost
imagedestroy($image);
}
}
}
// Create the blob and return
require_once QA_INCLUDE_DIR . 'qa-app-blobs.php';
$userid = qa_get_logged_in_userid();
$cookieid = isset($userid) ? qa_cookie_get() : qa_cookie_get_create();
$result['blobid'] = qa_create_blob($content, $format, $sourcefilename, $userid, $cookieid, qa_remote_ip_address());
if (!isset($result['blobid'])) {
$result['error'] = qa_lang('main/general_error');
return $result;
}
$result['bloburl'] = qa_get_blob_url($result['blobid'], true);
return $result;
}
}
qa_set_option($optionname, $optionvalue);
}
$formokhtml = qa_lang_html('admin/options_saved');
// Uploading default avatar
if (is_array(@$_FILES['avatar_default_file']) && $_FILES['avatar_default_file']['size']) {
require_once QA_INCLUDE_DIR . 'qa-util-image.php';
$oldblobid = qa_opt('avatar_default_blobid');
$toobig = qa_image_file_too_big($_FILES['avatar_default_file']['tmp_name'], qa_opt('avatar_store_size'));
if ($toobig) {
$errors['avatar_default_show'] = qa_lang_sub('main/image_too_big_x_pc', (int) ($toobig * 100));
} else {
$imagedata = qa_image_constrain_data(file_get_contents($_FILES['avatar_default_file']['tmp_name']), $width, $height, qa_opt('avatar_store_size'));
if (isset($imagedata)) {
require_once QA_INCLUDE_DIR . 'qa-app-blobs.php';
$newblobid = qa_create_blob($imagedata, 'jpeg');
if (isset($newblobid)) {
qa_set_option('avatar_default_blobid', $newblobid);
qa_set_option('avatar_default_width', $width);
qa_set_option('avatar_default_height', $height);
qa_set_option('avatar_default_show', 1);
}
if (strlen($oldblobid)) {
qa_delete_blob($oldblobid);
}
} else {
$errors['avatar_default_show'] = qa_lang_sub('main/image_not_read', implode(', ', qa_gd_image_formats()));
}
}
}
}
function qa_set_user_avatar($userid, $imagedata, $oldblobid = null)
{
if (qa_to_override(__FUNCTION__)) {
$args = func_get_args();
return qa_call_override(__FUNCTION__, $args);
}
require_once QA_INCLUDE_DIR . 'util/image.php';
$imagedata = qa_image_constrain_data($imagedata, $width, $height, qa_opt('avatar_store_size'));
if (isset($imagedata)) {
require_once QA_INCLUDE_DIR . 'app/blobs.php';
$newblobid = qa_create_blob($imagedata, 'jpeg', null, $userid, null, qa_remote_ip_address());
if (isset($newblobid)) {
qa_db_user_set($userid, 'avatarblobid', $newblobid);
qa_db_user_set($userid, 'avatarwidth', $width);
qa_db_user_set($userid, 'avatarheight', $height);
qa_db_user_set_flag($userid, QA_USER_FLAGS_SHOW_AVATAR, true);
qa_db_user_set_flag($userid, QA_USER_FLAGS_SHOW_GRAVATAR, false);
if (isset($oldblobid)) {
qa_delete_blob($oldblobid);
}
return true;
}
}
return false;
}
