// We're going to create a list view and detail view thumbnail plus whatever we're requesting to have through Settings
$thumbnails_to_create = array("bigtree_internal_list" => array("width" => 100, "height" => 100, "prefix" => "bigtree_list_thumb_"), "bigtree_internal_detail" => array("width" => 190, "height" => 145, "prefix" => "bigtree_detail_thumb_"));
$more_thumb_types = $cms->getSetting("bigtree-file-manager-thumbnail-sizes");
if (is_array($more_thumb_types)) {
foreach ($more_thumb_types as $thumb) {
$thumbnails_to_create[$thumb["title"]] = $thumb;
}
}
// Do lots of image awesomesauce.
$itype_exts = array(IMAGETYPE_PNG => ".png", IMAGETYPE_JPEG => ".jpg", IMAGETYPE_GIF => ".gif");
$first_copy = $temp_name;
list($iwidth, $iheight, $itype, $iattr) = getimagesize($first_copy);
foreach ($thumbnails_to_create as $thumb) {
// We don't want to add multiple errors and we also don't want to waste effort getting thumbnail sizes if we already failed.
if (!$error) {
$sizes = BigTree::getThumbnailSizes($first_copy, $thumb["width"], $thumb["height"]);
if (!BigTree::imageManipulationMemoryAvailable($first_copy, $sizes[3], $sizes[4], $iwidth, $iheight)) {
$error = "Image uploaded is too large for the server to manipulate. Please upload a smaller version of this image.";
unlink($first_copy);
}
}
}
if (!$error) {
// Now let's make the thumbnails we need for the image manager
$thumbs = array();
$pinfo = BigTree::pathInfo($file_name);
// Create a bunch of thumbnails
foreach ($thumbnails_to_create as $key => $thumb) {
if ($iwidth > $thumb["width"] || $iheight > $thumb["height"]) {
$temp_thumb = SITE_ROOT . "files/" . uniqid("temp-") . $itype_exts[$itype];
BigTree::createThumbnail($first_copy, $temp_thumb, $thumb["width"], $thumb["height"]);
static function processImageUpload($field)
{
global $bigtree;
$failed = false;
$name = $field["file_input"]["name"];
$temp_name = $field["file_input"]["tmp_name"];
$error = $field["file_input"]["error"];
// If a file upload error occurred, return the old image and set errors
if ($error == 1 || $error == 2) {
$bigtree["errors"][] = array("field" => $field["title"], "error" => "The file you uploaded ({$name}) was too large — <strong>Max file size: " . ini_get("upload_max_filesize") . "</strong>");
return false;
} elseif ($error == 3) {
$bigtree["errors"][] = array("field" => $field["title"], "error" => "The file upload failed ({$name}).");
return false;
}
// We're going to tell BigTreeStorage to handle forcing images into JPEGs instead of writing the code 20x
$storage = new BigTreeStorage();
$storage->AutoJPEG = $bigtree["config"]["image_force_jpeg"];
// Let's check the minimum requirements for the image first before we store it anywhere.
$image_info = @getimagesize($temp_name);
$iwidth = $image_info[0];
$iheight = $image_info[1];
$itype = $image_info[2];
$channels = $image_info["channels"];
// See if we're using image presets
if ($field["options"]["preset"]) {
$media_settings = BigTreeCMS::getSetting("bigtree-internal-media-settings");
$preset = $media_settings["presets"][$field["options"]["preset"]];
// If the preset still exists, copy its properties over to our options
if ($preset) {
foreach ($preset as $key => $val) {
$field["options"][$key] = $val;
}
}
}
// If the minimum height or width is not meant, do NOT let the image through. Erase the change or update from the database.
if (isset($field["options"]["min_height"]) && $iheight < $field["options"]["min_height"] || isset($field["options"]["min_width"]) && $iwidth < $field["options"]["min_width"]) {
$error = "Image uploaded (" . htmlspecialchars($name) . ") did not meet the minimum size of ";
if ($field["options"]["min_height"] && $field["options"]["min_width"]) {
$error .= $field["options"]["min_width"] . "x" . $field["options"]["min_height"] . " pixels.";
} elseif ($field["options"]["min_height"]) {
$error .= $field["options"]["min_height"] . " pixels tall.";
} elseif ($field["options"]["min_width"]) {
$error .= $field["options"]["min_width"] . " pixels wide.";
}
$bigtree["errors"][] = array("field" => $field["title"], "error" => $error);
$failed = true;
}
// If it's not a valid image, throw it out!
if ($itype != IMAGETYPE_GIF && $itype != IMAGETYPE_JPEG && $itype != IMAGETYPE_PNG) {
$bigtree["errors"][] = array("field" => $field["title"], "error" => "An invalid file was uploaded. Valid file types: JPG, GIF, PNG.");
$failed = true;
}
// See if it's CMYK
if ($channels == 4) {
$bigtree["errors"][] = array("field" => $field["title"], "error" => "A CMYK encoded file was uploaded. Please upload an RBG image.");
$failed = true;
}
// See if we have enough memory for all our crops and thumbnails
if (!$failed && (is_array($field["options"]["crops"]) && count($field["options"]["crops"]) || is_array($field["options"]["thumbs"]) && count($field["options"]["thumbs"]))) {
if (is_array($field["options"]["crops"])) {
foreach ($field["options"]["crops"] as $crop) {
if (!$failed && is_array($crop) && array_filter($crop)) {
if ($field["options"]["retina"]) {
$crop["width"] *= 2;
$crop["height"] *= 2;
}
// We don't want to add multiple errors so we check if we've already failed
if (!BigTree::imageManipulationMemoryAvailable($temp_name, $crop["width"], $crop["height"], $iwidth, $iheight)) {
$bigtree["errors"][] = array("field" => $field["title"], "error" => "Image uploaded is too large for the server to manipulate. Please upload a smaller version of this image.");
$failed = true;
}
}
}
}
if (is_array($field["options"]["thumbs"])) {
foreach ($field["options"]["thumbs"] as $thumb) {
// We don't want to add multiple errors and we also don't want to waste effort getting thumbnail sizes if we already failed.
if (!$failed && is_array($thumb) && array_filter($thumb)) {
if ($field["options"]["retina"]) {
$thumb["width"] *= 2;
$thumb["height"] *= 2;
}
$sizes = BigTree::getThumbnailSizes($temp_name, $thumb["width"], $thumb["height"]);
if (!BigTree::imageManipulationMemoryAvailable($temp_name, $sizes[3], $sizes[4], $iwidth, $iheight)) {
$bigtree["errors"][] = array("field" => $field["title"], "error" => "Image uploaded is too large for the server to manipulate. Please upload a smaller version of this image.");
$failed = true;
}
}
}
}
if (is_array($field["options"]["center_crops"])) {
foreach ($field["options"]["center_crops"] as $crop) {
// We don't want to add multiple errors and we also don't want to waste effort getting thumbnail sizes if we already failed.
if (!$failed && is_array($crop) && array_filter($crop)) {
list($w, $h) = getimagesize($temp_name);
if (!BigTree::imageManipulationMemoryAvailable($temp_name, $w, $h, $crop["width"], $crop["height"])) {
$bigtree["errors"][] = array("field" => $field["title"], "error" => "Image uploaded is too large for the server to manipulate. Please upload a smaller version of this image.");
$failed = true;
}
}
}
}
}
if (!$failed) {
// Make a temporary copy to be used for thumbnails and crops.
$itype_exts = array(IMAGETYPE_PNG => ".png", IMAGETYPE_JPEG => ".jpg", IMAGETYPE_GIF => ".gif");
// Make a first copy
$first_copy = SITE_ROOT . "files/" . uniqid("temp-") . $itype_exts[$itype];
BigTree::moveFile($temp_name, $first_copy);
// Do EXIF Image Rotation
if ($itype == IMAGETYPE_JPEG && function_exists("exif_read_data")) {
$exif = @exif_read_data($first_copy);
$o = $exif['Orientation'];
if ($o == 3 || $o == 6 || $o == 8) {
$source = imagecreatefromjpeg($first_copy);
if ($o == 3) {
$source = imagerotate($source, 180, 0);
} elseif ($o == 6) {
$source = imagerotate($source, 270, 0);
} else {
$source = imagerotate($source, 90, 0);
}
// We're going to create a PNG so that we don't lose quality when we resave
imagepng($source, $first_copy);
rename($first_copy, substr($first_copy, 0, -3) . "png");
$first_copy = substr($first_copy, 0, -3) . "png";
// Force JPEG since we made the first copy a PNG
$storage->AutoJPEG = true;
// Clean up memory
imagedestroy($source);
// Get new width/height/type
list($iwidth, $iheight, $itype, $iattr) = getimagesize($first_copy);
}
}
// Create a temporary copy that we will use later for crops and thumbnails
$temp_copy = SITE_ROOT . "files/" . uniqid("temp-") . $itype_exts[$itype];
BigTree::copyFile($first_copy, $temp_copy);
// Gather up an array of file prefixes
$prefixes = array();
if (is_array($field["options"]["thumbs"])) {
foreach ($field["options"]["thumbs"] as $thumb) {
if (!empty($thumb["prefix"])) {
$prefixes[] = $thumb["prefix"];
}
}
}
if (is_array($field["options"]["center_crops"])) {
foreach ($field["options"]["center_crops"] as $crop) {
if (!empty($crop["prefix"])) {
$prefixes[] = $crop["prefix"];
}
}
}
if (is_array($field["options"]["crops"])) {
foreach ($field["options"]["crops"] as $crop) {
if (is_array($crop)) {
if (!empty($crop["prefix"])) {
$prefixes[] = $crop["prefix"];
}
if (is_array($crop["thumbs"])) {
foreach ($crop["thumbs"] as $thumb) {
if (!empty($thumb["prefix"])) {
$prefixes[] = $thumb["prefix"];
}
}
}
if (is_array($crop["center_crops"])) {
foreach ($crop["center_crops"] as $center_crop) {
if (!empty($center_crop["prefix"])) {
$prefixes[] = $center_crop["prefix"];
}
}
}
}
}
}
// Upload the original to the proper place.
$field["output"] = $storage->store($first_copy, $name, $field["options"]["directory"], true, $prefixes);
// If the upload service didn't return a value, we failed to upload it for one reason or another.
if (!$field["output"]) {
if ($storage->DisabledFileError) {
$bigtree["errors"][] = array("field" => $field["title"], "error" => "Could not upload file. The file extension is not allowed.");
} else {
$bigtree["errors"][] = array("field" => $field["title"], "error" => "Could not upload file. The destination is not writable.");
}
unlink($temp_copy);
unlink($first_copy);
// Failed, we keep the current value
return false;
// If we did upload it successfully, check on thumbs and crops.
} else {
// Get path info on the file.
$pinfo = BigTree::pathInfo($field["output"]);
// Handle Crops
if (is_array($field["options"]["crops"])) {
foreach ($field["options"]["crops"] as $crop) {
if (is_array($crop)) {
// Make sure the crops have a width/height and it's numeric
if ($crop["width"] && $crop["height"] && is_numeric($crop["width"]) && is_numeric($crop["height"])) {
$cwidth = $crop["width"];
$cheight = $crop["height"];
// Check to make sure each dimension is greater then or equal to, but not both equal to the crop.
if ($iheight >= $cheight && $iwidth > $cwidth || $iwidth >= $cwidth && $iheight > $cheight) {
// Make a square if for some reason someone only entered one dimension for a crop.
if (!$cwidth) {
$cwidth = $cheight;
} elseif (!$cheight) {
$cheight = $cwidth;
}
$bigtree["crops"][] = array("image" => $temp_copy, "directory" => $field["options"]["directory"], "retina" => $field["options"]["retina"], "name" => $pinfo["basename"], "width" => $cwidth, "height" => $cheight, "prefix" => $crop["prefix"], "thumbs" => $crop["thumbs"], "center_crops" => $crop["center_crops"], "grayscale" => $crop["grayscale"]);
// If it's the same dimensions, let's see if they're looking for a prefix for whatever reason...
} elseif ($iheight == $cheight && $iwidth == $cwidth) {
// See if we want thumbnails
if (is_array($crop["thumbs"])) {
foreach ($crop["thumbs"] as $thumb) {
// Make sure the thumbnail has a width or height and it's numeric
if ($thumb["width"] && is_numeric($thumb["width"]) || $thumb["height"] && is_numeric($thumb["height"])) {
// Create a temporary thumbnail of the image on the server before moving it to it's destination.
$temp_thumb = SITE_ROOT . "files/" . uniqid("temp-") . $itype_exts[$itype];
BigTree::createThumbnail($temp_copy, $temp_thumb, $thumb["width"], $thumb["height"], $field["options"]["retina"], $thumb["grayscale"]);
// We use replace here instead of upload because we want to be 100% sure that this file name doesn't change.
$storage->replace($temp_thumb, $thumb["prefix"] . $pinfo["basename"], $field["options"]["directory"]);
}
}
}
// See if we want center crops
if (is_array($crop["center_crops"])) {
foreach ($crop["center_crops"] as $center_crop) {
// Make sure the crop has a width and height and it's numeric
if ($center_crop["width"] && is_numeric($center_crop["width"]) && $center_crop["height"] && is_numeric($center_crop["height"])) {
// Create a temporary crop of the image on the server before moving it to it's destination.
$temp_crop = SITE_ROOT . "files/" . uniqid("temp-") . $itype_exts[$itype];
BigTree::centerCrop($temp_copy, $temp_crop, $center_crop["width"], $center_crop["height"], $field["options"]["retina"], $center_crop["grayscale"]);
// We use replace here instead of upload because we want to be 100% sure that this file name doesn't change.
$storage->replace($temp_crop, $center_crop["prefix"] . $pinfo["basename"], $field["options"]["directory"]);
}
}
}
$storage->store($temp_copy, $crop["prefix"] . $pinfo["basename"], $field["options"]["directory"], false);
}
}
}
}
}
// Handle thumbnailing
if (is_array($field["options"]["thumbs"])) {
foreach ($field["options"]["thumbs"] as $thumb) {
// Make sure the thumbnail has a width or height and it's numeric
if ($thumb["width"] && is_numeric($thumb["width"]) || $thumb["height"] && is_numeric($thumb["height"])) {
$temp_thumb = SITE_ROOT . "files/" . uniqid("temp-") . $itype_exts[$itype];
BigTree::createThumbnail($temp_copy, $temp_thumb, $thumb["width"], $thumb["height"], $field["options"]["retina"], $thumb["grayscale"]);
// We use replace here instead of upload because we want to be 100% sure that this file name doesn't change.
$storage->replace($temp_thumb, $thumb["prefix"] . $pinfo["basename"], $field["options"]["directory"]);
}
}
}
// Handle center crops
if (is_array($field["options"]["center_crops"])) {
foreach ($field["options"]["center_crops"] as $crop) {
// Make sure the crop has a width and height and it's numeric
if ($crop["width"] && is_numeric($crop["width"]) && $crop["height"] && is_numeric($crop["height"])) {
$temp_crop = SITE_ROOT . "files/" . uniqid("temp-") . $itype_exts[$itype];
BigTree::centerCrop($temp_copy, $temp_crop, $crop["width"], $crop["height"], $field["options"]["retina"], $crop["grayscale"]);
// We use replace here instead of upload because we want to be 100% sure that this file name doesn't change.
$storage->replace($temp_crop, $crop["prefix"] . $pinfo["basename"], $field["options"]["directory"]);
}
}
}
// If we don't have any crops, get rid of the temporary image we made.
if (!count($bigtree["crops"])) {
unlink($temp_copy);
}
}
// We failed, keep the current value.
} else {
return false;
}
return $field["output"];
}