692 lines
16 KiB
C++
692 lines
16 KiB
C++
/*
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* This file is a part of Winix
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* and is distributed under the 2-Clause BSD licence.
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* Author: Tomasz Sowa <t.sowa@ttmath.org>
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*/
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/*
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* Copyright (c) 2021, Tomasz Sowa
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "models/itemcontent.h"
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#include "core/crypt.h"
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#include "core/misc.h"
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#include "templates/misc.h"
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#include "core/bbcodeparser.h"
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#include "core/request.h"
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#include "core/users.h"
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#include "core/groups.h"
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namespace Winix
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{
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ItemContent::ItemContent()
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{
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Clear();
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}
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void ItemContent::fields()
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{
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int content_raw_type_helper = static_cast<int>(content_raw_type);
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int content_parsed_type_helper = static_cast<int>(content_parsed_type);
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field(L"id", id, morm::FT::no_insertable | morm::FT::no_updatable | morm::FT::primary_key);
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field(L"references", references);
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field(L"user_id", user_id);
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field(L"group_id", group_id);
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field(L"guest_name", guest_name);
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field(L"modification_user_id", modification_user_id);
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field(L"privileges", privileges);
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field(L"date_creation", date_creation);
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field(L"date_modification", date_modification);
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field(L"link_to", link_to);
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field(L"link_redirect", link_redirect);
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field(L"file_path", file_path);
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field(L"file_fs", file_fs);
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field(L"file_type", file_type);
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field(L"file_has_thumb", file_has_thumb);
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field(L"file_hash", file_hash);
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field(L"file_hash_type", file_hash_type);
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field(L"file_size", file_size);
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field(L"content_raw", content_raw);
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field(L"content_raw_type", content_raw_type_helper);
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field(L"content_parsed", content_parsed);
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field(L"content_parsed_type", content_parsed_type_helper);
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field(L"meta", meta);
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field(L"admin_meta", admin_meta);
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field(L"print_content", &ItemContent::print_content);
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field(L"has_static_file", &ItemContent::has_static_file);
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field(L"privileges_octal", &ItemContent::privileges_octal);
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field(L"has_user", &ItemContent::has_user);
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field(L"has_group", &ItemContent::has_group);
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field(L"item_users_different", &ItemContent::item_users_different);
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field(L"user", &ItemContent::user);
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field(L"group", &ItemContent::group);
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field(L"type_is", &ItemContent::type_is);
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field(L"is_empty", &ItemContent::is_empty);
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field(L"file_type_is_none", &ItemContent::file_type_is_none);
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field(L"file_type_is_image", &ItemContent::file_type_is_image);
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field(L"file_type_is_video", &ItemContent::file_type_is_video);
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field(L"file_type_is_sound", &ItemContent::file_type_is_sound);
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field(L"has_thumb", &ItemContent::has_thumb);
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field(L"display_user_name", &ItemContent::display_user_name);
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field(L"is_meta_object", &ItemContent::is_meta_object);
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field(L"is_admin_meta_object", &ItemContent::is_admin_meta_object);
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field(L"are_dates_equal", &ItemContent::are_dates_equal);
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field(L"can_content_be_html_filtered", &ItemContent::CanContentBeHtmlFiltered);
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field(L"is_link_to", &ItemContent::is_link_to);
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field(L"is_link_redirect", &ItemContent::is_link_redirect);
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// IMPROVEME prepare a setter functions which tests whether content_raw_type_helper and content_parsed_type_helper are correct values
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content_raw_type = static_cast<ContentType>(content_raw_type_helper);
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content_parsed_type = static_cast<ContentType>(content_parsed_type_helper);
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}
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void ItemContent::table()
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{
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table_name(L"core", L"content");
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}
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void ItemContent::after_insert()
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{
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get_last_sequence_for_primary_key(L"core.content_id_seq", id);
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}
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// !! IMPROVEME
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// now we have Request::start_time and Request::start_date
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// we can somehow get the current time from the request
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// may setting the date should be completetly removed from here?
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void ItemContent::SetDateToNow()
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{
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date_creation = std::time(0);
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date_modification = date_creation;
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}
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void ItemContent::SetDateModifyToNow()
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{
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date_modification = std::time(0);
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}
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void ItemContent::Clear()
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{
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id = -1;
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references = 1;
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user_id = -1;
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group_id = -1;
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guest_name.clear();
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modification_user_id = -1;
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privileges = 0;
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link_to.clear();
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link_redirect = false;
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file_path.clear();
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file_fs = -1;
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file_type = WINIX_ITEM_FILETYPE_NONE;
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file_has_thumb = false;
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file_hash.clear();
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file_hash_type = WINIX_CRYPT_HASH_NONE;
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file_size = 0;
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content_raw.clear();
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content_raw_type = ct_formatted_text;
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content_parsed.clear();
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content_parsed_type = ct_formatted_text;
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meta.clear();
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admin_meta.clear();
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SetDateToNow();
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}
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bool ItemContent::do_migration(int & current_table_version)
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{
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bool ok = true;
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ok = ok && morm::Model::do_migration(current_table_version, 1, this, &ItemContent::do_migration_to_1);
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ok = ok && morm::Model::do_migration(current_table_version, 2, this, &ItemContent::do_migration_to_2);
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ok = ok && morm::Model::do_migration(current_table_version, 3, this, &ItemContent::do_migration_to_3);
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ok = ok && morm::Model::do_migration(current_table_version, 4, this, &ItemContent::do_migration_to_4);
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return ok;
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}
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bool ItemContent::do_migration_to_1()
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{
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const char * str = R"sql(
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CREATE TABLE core.content (
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id serial,
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content text,
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content_type smallint,
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file_path character varying(2048),
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file_fs smallint,
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file_type smallint,
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has_thumb smallint,
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ref integer,
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modify_index smallint,
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hash character varying(255),
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hash_type smallint,
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file_size bigint
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);
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)sql";
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db_query(str);
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return true; // IMPROVEME remove me in the future: this is only for a moment until we do migration on all our sites
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}
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bool ItemContent::do_migration_to_2()
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{
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const char * str = R"sql(
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alter table core.content
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add column user_id integer,
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add column group_id integer,
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add column guest_name character varying(20),
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add column modification_user_id integer,
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add column privileges integer,
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add column date_creation timestamp without time zone,
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add column date_modification timestamp without time zone,
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add column link_to character varying(2048),
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add column link_redirect smallint,
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add column meta text,
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add column meta_admin text,
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add column content_parsed text,
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add column content_parsed_type smallint;
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)sql";
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return db_query(str);
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}
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bool ItemContent::do_migration_to_3()
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{
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const char * str[] = {
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"alter table core.content rename column ref to \"references\";",
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"alter table core.content rename column content to content_raw;",
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"alter table core.content rename column content_type to content_raw_type;",
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"alter table core.content rename column has_thumb to file_has_thumb;",
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"alter table core.content rename column hash to file_hash;",
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"alter table core.content rename column hash_type to file_hash_type;",
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"alter table core.content drop column modify_index;",
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"alter table core.content add column file_has_thumb_new boolean;",
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"update core.content as c1 set file_has_thumb_new = (select case when file_has_thumb <> 0 then true else false end from core.content as c2 where c1.id = c2.id);",
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"alter table core.content drop column file_has_thumb;",
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"alter table core.content rename file_has_thumb_new to file_has_thumb;",
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};
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size_t len = sizeof(str) / sizeof(const char*);
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return db_query(str, len);
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}
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bool ItemContent::do_migration_to_4()
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{
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const char * str[] = {
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"alter table core.content rename column meta_admin to admin_meta;",
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};
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size_t len = sizeof(str) / sizeof(const char*);
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return db_query(str, len);
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}
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bool ItemContent::has_access(const User * current_user, int mask) const
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{
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if( current_user )
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{
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if( current_user->is_super_user )
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{
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// super user is allowed everything
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return true;
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}
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if( user_id != -1 && current_user->id == user_id )
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{
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// the owner
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return ((privileges >> 9) & mask) == mask;
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}
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if( group_id != -1 && current_user->IsMemberOf(group_id) )
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{
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// group
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return ((privileges >> 6) & mask) == mask;
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}
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// others -- others logged users
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return ((privileges >> 3) & mask) == mask;
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}
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// guests -- not logged users
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return (privileges & mask) == mask;
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}
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bool ItemContent::has_read_access(const User * current_user) const
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{
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return has_access(current_user, 4); // r
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}
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bool ItemContent::has_write_access(const User * current_user) const
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{
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return has_access(current_user, 2); // w
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}
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bool ItemContent::has_read_write_access(const User * current_user) const
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{
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return has_access(current_user, 6); // r+w
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}
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bool ItemContent::has_read_exec_access(const User * current_user) const
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{
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if( current_user && current_user->is_super_user )
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{
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// there must be at least one 'x' (for the root)
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// !! CHECK ME: is it applicable to directories too?
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return (privileges & 01111) != 0;
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}
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return has_access(current_user, 5); // r+x
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}
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bool ItemContent::has_read_access() const
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{
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return has_read_access(get_current_user());
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}
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bool ItemContent::has_write_access() const
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{
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return has_write_access(get_current_user());
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}
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bool ItemContent::has_read_write_access() const
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{
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return has_read_write_access(get_current_user());
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}
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bool ItemContent::has_read_exec_access() const
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{
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return has_read_exec_access(get_current_user());
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}
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bool ItemContent::is_sticky_bit_set() const
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{
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int mask = 010000;
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return (privileges & mask) == mask;
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}
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/*
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* we're using the HtmlFilter only for those contents
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*
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*/
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bool ItemContent::CanContentBeHtmlFiltered(ItemContent::ContentType ct)
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{
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return ct == ct_text || ct == ct_formatted_text || ct == ct_html || ct == ct_bbcode;
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}
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bool ItemContent::CanContentBeHtmlFiltered()
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{
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return CanContentBeHtmlFiltered(content_raw_type);
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}
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void ItemContent::print_content(HtmlTextStream & out, const pt::WTextStream & content, ItemContent::ContentType content_type, bool is_html_filter_on)
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{
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using TemplatesFunctions::R;
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if( is_html_filter_on && !ItemContent::CanContentBeHtmlFiltered(content_type) )
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out << R("<nofilter>");
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if( content_type == ItemContent::ct_text )
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{
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out << content;
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}
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else
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if( content_type == ItemContent::ct_formatted_text )
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{
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std::wstring tmp_string;
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content.to_str(tmp_string);
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TemplatesFunctions::HtmlEscapeFormTxt(out, tmp_string);
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}
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else
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if( content_type == ItemContent::ct_bbcode )
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{
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static std::wstring out_temp;
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out_temp.clear();
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out_temp.reserve(content.size()*2);
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BBCODEParser bbcode_parser; // IMPROVE ME move me to a better place
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std::wstring tmp_string;
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content.to_str(tmp_string);
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bbcode_parser.Filter(tmp_string.c_str(), out_temp);
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out << R(out_temp);
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}
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else
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{
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// ct_html, ct_other
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out.get_buffer().operator<<(content); // tricky way of putting content without escaping
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}
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if( is_html_filter_on && !ItemContent::CanContentBeHtmlFiltered(content_type) )
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out << R("</nofilter>");
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}
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void ItemContent::print_content(HtmlTextStream & out, const std::wstring & content, ItemContent::ContentType content_type, bool is_html_filter_on)
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{
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using TemplatesFunctions::R;
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if( is_html_filter_on && !ItemContent::CanContentBeHtmlFiltered(content_type) )
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out << R("<nofilter>");
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if( content_type == ItemContent::ct_text )
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{
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out << content;
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}
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else
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if( content_type == ItemContent::ct_formatted_text )
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{
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TemplatesFunctions::HtmlEscapeFormTxt(out, content);
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}
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else
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if( content_type == ItemContent::ct_bbcode )
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{
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static std::wstring out_temp;
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out_temp.clear();
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out_temp.reserve(content.size()*2);
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BBCODEParser bbcode_parser; // IMPROVE ME move me to a better place
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bbcode_parser.Filter(content.c_str(), out_temp);
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out << R(out_temp);
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}
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else
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{
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// ct_html, ct_other
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out << R(content);
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}
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if( is_html_filter_on && !ItemContent::CanContentBeHtmlFiltered(content_type) )
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out << R("</nofilter>");
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}
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void ItemContent::print_content(EzcEnv & env)
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{
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print_content(env.out, content_raw, content_raw_type, true); // IMPROVE ME get the 'true' from the config (config->html_filter)
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}
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void ItemContent::has_static_file(EzcEnv & env)
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{
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env.res = file_type != WINIX_ITEM_FILETYPE_NONE && !file_path.empty();
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}
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void ItemContent::privileges_octal(EzcEnv & env)
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{
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env.out << Toa(privileges, 8);
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}
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bool ItemContent::has_user() const
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{
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return user_id != -1;
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}
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bool ItemContent::has_group() const
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{
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return group_id != -1;
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}
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bool ItemContent::item_users_different()
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{
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return user_id != modification_user_id;
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}
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void ItemContent::user(morm::Wrapper & wrapper)
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{
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Users * users = get_users();
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if( users )
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{
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User * puser = users->GetUser(user_id);
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if( puser )
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{
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wrapper.model = puser;
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}
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}
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}
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void ItemContent::group(morm::Wrapper & wrapper)
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{
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Groups * groups = get_groups();
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if( groups )
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{
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Group * pgroup = groups->GetGroup(group_id);
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if( pgroup )
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{
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wrapper.model = pgroup;
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}
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}
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}
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bool ItemContent::content_type_is(const std::wstring & type)
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{
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if( content_raw_type == ItemContent::ct_text && type == L"text" )
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return true;
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else
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if( content_raw_type == ItemContent::ct_formatted_text && type == L"formatted text" )
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return true;
|
|
else
|
|
if( content_raw_type == ItemContent::ct_html && type == L"html" )
|
|
return true;
|
|
else
|
|
if( content_raw_type == ItemContent::ct_bbcode && type == L"bbcode" )
|
|
return true;
|
|
else
|
|
if( content_raw_type == ItemContent::ct_other && type == L"other" )
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
void ItemContent::type_is(EzcEnv & env)
|
|
{
|
|
env.res = content_type_is(env.par);
|
|
}
|
|
|
|
|
|
void ItemContent::is_empty(EzcEnv & env)
|
|
{
|
|
env.res = content_raw.empty();
|
|
}
|
|
|
|
|
|
void ItemContent::file_type_is_none(EzcEnv & env)
|
|
{
|
|
env.res = file_type == WINIX_ITEM_FILETYPE_NONE;
|
|
}
|
|
|
|
|
|
/*
|
|
* when we change file_type to string the we can return true only for
|
|
* those images which can be able to show by a webbrowser
|
|
*
|
|
*/
|
|
void ItemContent::file_type_is_image(EzcEnv & env)
|
|
{
|
|
env.res = file_type == WINIX_ITEM_FILETYPE_IMAGE;
|
|
}
|
|
|
|
/*
|
|
* similar we can return true only for those videos which can be rendered by a webbrowser
|
|
*/
|
|
void ItemContent::file_type_is_video(EzcEnv & env)
|
|
{
|
|
env.res = file_type == WINIX_ITEM_FILETYPE_VIDEO;
|
|
}
|
|
|
|
|
|
void ItemContent::file_type_is_sound(EzcEnv & env)
|
|
{
|
|
//env.res = file_type == WINIX_ITEM_FILETYPE_;
|
|
env.res = false;
|
|
}
|
|
|
|
|
|
|
|
void ItemContent::has_thumb(EzcEnv & env)
|
|
{
|
|
env.res = file_has_thumb;
|
|
}
|
|
|
|
|
|
void ItemContent::display_user_name(EzcEnv & env)
|
|
{
|
|
Locale * locale = get_locale();
|
|
|
|
if( user_id != -1 )
|
|
{
|
|
Users * users = get_users();
|
|
|
|
if( users )
|
|
{
|
|
User * user = users->GetUser(user_id);
|
|
|
|
if( user )
|
|
{
|
|
user->display_name(env);
|
|
}
|
|
else
|
|
{
|
|
if( locale )
|
|
locale->Get(L"not_existing_user");
|
|
else
|
|
env.out << "not existing user";
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// IMPROVEME these should be moved to a better place
|
|
|
|
env.out << "~";
|
|
|
|
if( !guest_name.empty() && !IsWhite(guest_name) )
|
|
{
|
|
env.out << guest_name;
|
|
}
|
|
else
|
|
{
|
|
if( locale )
|
|
env.out << locale->Get(L"display_guest_name");
|
|
else
|
|
env.out << "guest";
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
bool ItemContent::is_meta_object() const
|
|
{
|
|
return meta.is_object();
|
|
}
|
|
|
|
|
|
bool ItemContent::is_admin_meta_object() const
|
|
{
|
|
return admin_meta.is_object();
|
|
}
|
|
|
|
|
|
bool ItemContent::are_dates_equal() const
|
|
{
|
|
return date_creation == date_modification;
|
|
}
|
|
|
|
|
|
bool ItemContent::is_link_to() const
|
|
{
|
|
return !link_to.empty();
|
|
}
|
|
|
|
|
|
bool ItemContent::is_link_redirect() const
|
|
{
|
|
return link_redirect == 1;
|
|
}
|
|
|
|
|
|
|
|
} // namespace Winix
|
|
|