Пример #1
0
 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 &mdash; <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 $field["output"];
 }
Пример #2
0
if ($perm != "p") {
    $f["error"] = 9;
}
$error = false;
// Check for file upload errors (or the permission error we faked above)
if ($f["error"]) {
    if ($f["error"] == 2 || $f["error"] == 1) {
        $error = "The uploaded file was too large. (" . BigTree::formatBytes(BigTree::uploadMaxFileSize()) . " max)";
    } elseif ($f["error"] == 9) {
        $error = "You do not have permission to upload to this folder.";
    } else {
        $error = "The upload failed (unknown error).";
    }
    // File successfully uploaded
} elseif ($f["tmp_name"]) {
    $storage = new BigTreeStorage();
    $temp_name = $f["tmp_name"];
    // See if this file already exists
    if ($replacing || !$admin->matchResourceMD5($temp_name, $_POST["folder"])) {
        $md5 = md5_file($temp_name);
        // Get the name and file extension
        $n = strrev($file_name);
        $extension = strtolower(strrev(substr($n, 0, strpos($n, "."))));
        // See if it's an image
        list($iwidth, $iheight, $itype, $iattr) = getimagesize($temp_name);
        // It's a regular file
        if ($itype != IMAGETYPE_GIF && $itype != IMAGETYPE_JPEG && $itype != IMAGETYPE_PNG) {
            $type = "file";
            if ($replacing) {
                $file = $storage->replace($temp_name, $file_name, "files/resources/");
            } else {
Пример #3
0
<?php

// If a file upload error occurred, return the old data and set errors
if ($field["file_input"]["error"] == 1 || $field["file_input"]["error"] == 2) {
    $bigtree["errors"][] = array("field" => $field["options"]["title"], "error" => "The file you uploaded (" . $field["file_input"]["name"] . ") was too large &mdash; <strong>Max file size: " . ini_get("upload_max_filesize") . "</strong>");
    $field["output"] = $field["input"];
} elseif ($field["file_input"]["error"] == 3) {
    $bigtree["errors"][] = array("field" => $field["options"]["title"], "error" => "The file upload failed (" . $field["file_input"]["name"] . ").");
    $field["output"] = $field["input"];
} else {
    // We're processing a file.
    if (!$field["options"]["image"]) {
        if (is_uploaded_file($field["file_input"]["tmp_name"])) {
            $storage = new BigTreeStorage();
            $field["output"] = $storage->store($field["file_input"]["tmp_name"], $field["file_input"]["name"], $field["options"]["directory"]);
            if (!$field["output"]) {
                if ($storage->DisabledFileError) {
                    $bigtree["errors"][] = array("field" => $field["options"]["title"], "error" => "Could not upload file. The file extension is not allowed.");
                } else {
                    $bigtree["errors"][] = array("field" => $field["options"]["title"], "error" => "Could not upload file. The destination is not writable.");
                }
            }
        } else {
            $field["output"] = $field["input"];
        }
        // We're processing an image.
    } else {
        // We uploaded a new image.
        if (is_uploaded_file($field["file_input"]["tmp_name"])) {
            $file = $admin->processImageUpload($field);
            $field["output"] = $file ? $file : $field["input"];