diff options
Diffstat (limited to 'lib/upload.php')
| -rw-r--r-- | lib/upload.php | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/lib/upload.php b/lib/upload.php index a7dd7611d..ac926403d 100644 --- a/lib/upload.php +++ b/lib/upload.php @@ -3,6 +3,34 @@ * Helper library for working with uploads */ +/** + * Guess on the mimetype based on file extension + * + * @param string $originalName + * @return string + */ +function tp_upload_get_mimetype($originalName) { + $extension = substr(strrchr($originalName, '.'), 1); + switch ($extension) { + case 'png': + return 'image/png'; + break; + case 'gif': + return 'image/gif'; + break; + case 'jpg': + default: + return 'image/jpeg'; + break; + } +} + +/** + * Check if this is an image + * + * @param string $mime + * @return bool false = not image + */ function tp_upload_check_format($mime) { $accepted_formats = array( 'image/jpeg', @@ -18,6 +46,13 @@ function tp_upload_check_format($mime) { return true; } +/** + * Check if there is enough memory to process this image + * + * @param string $image_lib + * @param int $num_pixels + * @return bool false = not enough memory + */ function tp_upload_memory_check($image_lib, $num_pixels) { if ($image_lib !== 'GD') { return true; @@ -35,4 +70,47 @@ function tp_upload_memory_check($image_lib, $num_pixels) { } return true; +} + +/** + * Check if image is within limits + * + * @param int $image_size + * @return bool false = too large + */ +function tp_upload_check_max_size($image_size) { + $max_file_size = (float) get_plugin_setting('maxfilesize','tidypics'); + if (!$max_file_size) { + // default to 5 MB if not set + $max_file_size = 5; + } + // convert to bytes from MBs + $max_file_size = 1024 * 1024 * $max_file_size; + return $image_size <= $max_file_size; +} + +/** + * Check if this image pushes user over quota + * + * @param int $image_size + * @param int $owner_guid + * @return bool false = exceed quota + */ +function tp_upload_check_quota($image_size, $owner_guid) { + static $quota; + + if (!isset($quota)) { + $quota = get_plugin_setting('quota','tidypics'); + $quota = 1024 * 1024 * $quota; + } + + if ($quota == 0) { + // no quota + return true; + } + + $image_repo_size_md = get_metadata_byname($owner_guid, "image_repo_size"); + $image_repo_size = (int)$image_repo_size_md->value; + + return ($image_repo_size + $image_size) < $quota; }
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