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@ -635,6 +635,120 @@ class UserManager { |
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return array('dir' => $dir, 'file' => $picture_filename); |
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} |
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/** |
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* Creates new user pfotos in various sizes of a user, or deletes user pfotos. |
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* Note: This method relies on configuration setting from dokeos/main/inc/conf/profile.conf.php |
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* @param int $user_id The user internal identitfication number. |
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* @param string $file The common file name for the newly created pfotos. It will be checked and modified for compatibility with the file system. |
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* If full name is provided, path component is ignored. |
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* If an empty name is provided, then old user photos are deleted only, @see UserManager::delete_user_picture() as the prefered way for deletion. |
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* @param string $source_file The full system name of the image from which user photos will be created. |
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* @return string/bool Returns the resulting common file name of created images which usually should be stored in database. |
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* When deletion is recuested returns empty string. In case of internal error or negative validation returns FALSE. |
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*/ |
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public static function update_user_picture($user_id, $file = null, $source_file = null) { |
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// Validation 1. |
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if (empty($user_id)) { |
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return false; |
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} |
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$delete = empty($file); |
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if (empty($source_file)) { |
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$source_file = $file; |
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} |
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// Configuration options about user photos. |
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require_once api_get_path(CONFIGURATION_PATH).'profile.conf.php'; |
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// User-reserved directory where photos have to be placed. |
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$path_info = self::get_user_picture_path_by_id($user_id, 'system', true); |
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$path = $path_info['dir']; |
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// If this directory does not exist - we create it. |
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if (!file_exists($path)) { |
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$perm = api_get_setting('permissions_for_new_directories'); |
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$perm = octdec(!empty($perm) ? $perm : '0770'); |
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@mkdir($path, $perm, true); |
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} |
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// The old photos (if any). |
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$old_file = $path_info['file']; |
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// Let us delete them. |
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if (!empty($old_file)) { |
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if (KEEP_THE_OLD_IMAGE_AFTER_CHANGE) { |
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$prefix = 'saved_'.date('Y_m_d_H_i_s').'_'.uniqid('').'_'; |
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@rename($path.'small_'.$old_file, $path.$prefix.'small_'.$old_file); |
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@rename($path.'medium_'.$old_file, $path.$prefix.'medium_'.$old_file); |
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@rename($path.'big_'.$old_file, $path.$prefix.'big_'.$old_file); |
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@rename($path.$old_file, $path.$prefix.$old_file); |
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} else { |
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@unlink($path.'small_'.$old_file); |
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@unlink($path.'medium_'.$old_file); |
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@unlink($path.'big_'.$old_file); |
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@unlink($path.$old_file); |
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} |
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} |
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// Exit if only deletion has been requested. Return an empty picture name. |
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if ($delete) { |
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return ''; |
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} |
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// Validation 2. |
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$allowed_types = array('jpg', 'jpeg', 'png', 'gif'); |
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$file = str_replace('\\', '/', $file); |
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$filename = (($pos = strrpos($file, '/')) !== false) ? substr($file, $pos + 1) : $file; |
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$extension = strtolower(substr(strrchr($filename, '.'), 1)); |
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if (!in_array($extension, $allowed_types)) { |
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return false; |
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} |
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// This is the common name for the new photos. |
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if (KEEP_THE_NAME_WHEN_CHANGE_IMAGE && !empty($old_file)) { |
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$old_extension = strtolower(substr(strrchr($old_file, '.'), 1)); |
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$filename = in_array($old_extension, $allowed_types) ? substr($old_file, 0, -strlen($old_extension)) : $old_file; |
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$filename = (substr($filename, -1) == '.') ? $filename.$extension : $filename.'.'.$extension; |
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} else { |
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$filename = replace_dangerous_char($filename); |
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if (PREFIX_IMAGE_FILENAME_WITH_UID) { |
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$filename = uniqid('').'_'.$filename; |
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} |
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// We always prefix user photos with user ids, so on setting |
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// api_get_setting('split_users_upload_directory') === 'true' |
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// the correspondent directories to be found successfully. |
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$filename = $user_id.'_'.$filename; |
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} |
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// Storing the new photos in 4 versions with various sizes. |
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$picture_info = @getimagesize($source_file); |
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$type = $picture_info[2]; |
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$small = self::resize_picture($source_file, 22); |
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$medium = self::resize_picture($source_file, 85); |
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$normal = self::resize_picture($source_file, 200); |
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$big = new image($source_file); // This is the original picture. |
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$ok = false; |
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$detected = array(1 => 'GIF', 2 => 'JPG', 3 => 'PNG'); |
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if (in_array($type, array_keys($detected))) { |
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$ok = $small->send_image($detected[$type], $path.'small_'.$filename) |
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&& $medium->send_image($detected[$type], $path.'medium_'.$filename) |
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&& $normal->send_image($detected[$type], $path.$filename) |
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&& $big->send_image($detected[$type], $path.'big_'.$filename); |
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} |
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return $ok ? $filename : false; |
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} |
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/** |
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* Deletes user pfotos. |
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* Note: This method relies on configuration setting from dokeos/main/inc/conf/profile.conf.php |
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* @param int $user_id The user internal identitfication number. |
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* @return string/bool Returns empty string on success, FALSE on error. |
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*/ |
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public static function delete_user_picture($user_id) { |
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return self::update_user_picture($user_id); |
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} |
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/* |
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----------------------------------------------------------- |
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PRODUCTIONS FUNCTIONS |
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@ -660,13 +774,13 @@ class UserManager { |
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return true; // postpone reading from the filesystem |
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} |
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$productions = UserManager::get_user_productions($user_id); |
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$productions = self::get_user_productions($user_id); |
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if (empty($productions)) { |
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return false; |
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} |
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$production_path = UserManager::get_user_picture_path_by_id($user_id, 'web', true); |
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$production_path = self::get_user_picture_path_by_id($user_id, 'web', true); |
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$production_dir = $production_path['dir'].$user_id.'/'; |
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$del_image = api_get_path(WEB_CODE_PATH).'img/delete.gif'; |
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$del_text = get_lang('Delete'); |
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@ -1851,8 +1965,8 @@ class UserManager { |
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$picture['file'] = api_get_path(WEB_CODE_PATH).'img/'.$picture_file; |
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return $picture; |
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} |
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$image_array_sys = UserManager::get_user_picture_path_by_id($user_id, 'system', false, true); |
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$image_array = UserManager::get_user_picture_path_by_id($user_id, 'web', false, true); |
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$image_array_sys = self::get_user_picture_path_by_id($user_id, 'system', false, true); |
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$image_array = self::get_user_picture_path_by_id($user_id, 'web', false, true); |
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$file = $image_array_sys['dir'].$size_picture.$picture_file; |
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if (file_exists($file)) { |
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$picture['file'] = $image_array['dir'].$size_picture.$picture_file; |
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Ivan Tcholakov
17 years ago