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phpliteadmin.php
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phpliteadmin.php
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<?php
//
// Project: phpLiteAdmin (https://www.phpliteadmin.org/)
// Version: 1.9.8.2
// Summary: PHP-based admin tool to manage SQLite2 and SQLite3 databases on the web
// Last updated: 2019-09-05
// Developers:
// Dane Iracleous (daneiracleous@gmail.com)
// Ian Aldrighetti (ian.aldrighetti@gmail.com)
// George Flanagin & Digital Gaslight, Inc (george@digitalgaslight.com)
// Christopher Kramer (crazy4chrissi@gmail.com, http://en.christosoft.de)
// Ayman Teryaki (http://havalite.com)
// Dreadnaut (dreadnaut@gmail.com, http://dreadnaut.altervista.org)
//
//
// Copyright (C) 2019, phpLiteAdmin
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
//
// ////////////////////////////////////////////////////////////////////////
//
// Please report any bugs you may encounter to our issue tracker here:
// https://bitbucket.org/phpliteadmin/public/issues?status=new&status=open
//
// This is sample configuration file
//
// You can configure phpliteadmin in one of 2 ways:
// 1. Rename phpliteadmin.config.sample.php to phpliteadmin.config.php and change parameters in there.
// You can set only your custom settings in phpliteadmin.config.php. All other settings will be set to defaults.
// 2. Change parameters directly in main phpliteadmin.php file
//
// Please see https://bitbucket.org/phpliteadmin/public/wiki/Configuration for more details
//password to gain access
$password = 'nockrackmysql';
//directory relative to this file to search for databases (if false, manually list databases in the $databases variable)
$directory = '9559fd66d55152147f09a2d8e6030670d99936d83ac0290fecbc25f6edb698ec';
//whether or not to scan the subdirectories of the above directory infinitely deep
$subdirectories = false;
//if the above $directory variable is set to false, you must specify the databases manually in an array as the next variable
//if any of the databases do not exist as they are referenced by their path, they will be created automatically
$databases = array(
array(
'path'=> 'database1.sqlite',
'name'=> 'Database 1'
),
array(
'path'=> 'database2.sqlite',
'name'=> 'Database 2'
),
);
/* ---- Interface settings ---- */
// Theme! If you want to change theme, save the CSS file in same folder of phpliteadmin or in folder "themes"
$theme = 'phpliteadmin.css';
// the default language! If you want to change it, save the language file in same folder of phpliteadmin or in folder "languages"
// More about localizations (downloads, how to translate etc.): https://bitbucket.org/phpliteadmin/public/wiki/Localization
$language = 'en';
// set default number of rows. You need to relog after changing the number
$rowsNum = 30;
// reduce string characters by a number bigger than 10
$charsNum = 300;
// maximum number of SQL queries to save in the history
$maxSavedQueries = 10;
/* ---- Custom functions ---- */
//a list of custom functions that can be applied to columns in the databases
//make sure to define every function below if it is not a core PHP function
$custom_functions = array(
'md5', 'sha1', 'time', 'strtotime',
// add the names of your custom functions to this array
/* 'leet_text', */
);
// define your custom functions here
/*
function leet_text($value)
{
return strtr($value, 'eaAsSOl', '344zZ01');
}
*/
/* ---- Advanced options ---- */
//changing the following variable allows multiple phpLiteAdmin installs to work under the same domain.
$cookie_name = 'pla3412';
//whether or not to put the app in debug mode where errors are outputted
$debug = false;
// the user is allowed to create databases with only these extensions
$allowed_extensions = array('db','db3','sqlite','sqlite3');
// English language-texts.
// Read our wiki on how to translate: https://bitbucket.org/phpliteadmin/public/wiki/Localization
$lang = array(
"direction" => "LTR",
"date_format" => 'g:ia \o\n F j, Y (T)', // see http://php.net/manual/en/function.date.php for what the letters stand for
"ver" => "version",
"for" => "for",
"to" => "to",
"go" => "Go",
"yes" => "Yes",
"no" => "No",
"sql" => "SQL",
"csv" => "CSV",
"csv_tbl" => "Table that CSV pertains to",
"srch" => "Search",
"srch_again" => "Do Another Search",
"login" => "Log In",
"logout" => "Logout",
"view" => "View", // here, the noun SQL view is meant, not the verb "to view"
"confirm" => "Confirm",
"cancel" => "Cancel",
"save_as" => "Save As",
"options" => "Options",
"no_opt" => "No options",
"help" => "Help",
"installed" => "installed",
"not_installed" => "not installed",
"done" => "done",
"insert" => "Insert",
"export" => "Export",
"import" => "Import",
"rename" => "Rename",
"empty" => "Empty",
"drop" => "Drop",
"tbl" => "Table",
"chart" => "Chart",
"err" => "ERROR",
"act" => "Action",
"rec" => "Records",
"col" => "Column",
"cols" => "Columns",
"rows" => "row(s)",
"edit" => "Edit",
"del" => "Delete",
"add" => "Add",
"backup" => "Backup database file",
"before" => "Before",
"after" => "After",
"passwd" => "Password",
"passwd_incorrect" => "Incorrect password.",
"chk_ext" => "Checking supported SQLite PHP extensions",
"autoincrement" => "Autoincrement",
"not_null" => "Not NULL",
"attention" => "Attention",
"none" => "None",
"as_defined" => "As defined",
"expression" => "Expression",
"download" => "Download",
"open_in_browser" => "Open in browser",
"sqlite_ext" => "SQLite extension",
"sqlite_ext_support" => "It appears that none of the supported SQLite library extensions are available in your installation of PHP. You may not use %s until you install at least one of them.",
"sqlite_v" => "SQLite version",
"sqlite_v_error" => "It appears that your database is of SQLite version %s but your installation of PHP does not contain the necessary extensions to handle this version. To fix the problem, either delete the database and allow %s to create it automatically or recreate it manually as SQLite version %s.",
"report_issue" => "The problem cannot be diagnosed properly. Please file an issue report at",
"sqlite_limit" => "Due to the limitations of SQLite, only the field name and data type can be modified.",
"php_v" => "PHP version",
"new_version" => "There is a new version!",
"db_dump" => "database dump",
"db_f" => "database file",
"db_ch" => "Change Database",
"db_event" => "Database Event",
"db_name" => "Database name",
"db_rename" => "Rename Database",
"db_renamed" => "Database '%s' has been renamed to",
"db_del" => "Delete Database",
"db_path" => "Path to database",
"db_size" => "Size of database",
"db_mod" => "Database last modified",
"db_create" => "Create New Database",
"db_vac" => "The database, '%s', has been VACUUMed.",
"db_not_writeable" => "The database, '%s', does not exist and cannot be created because the containing directory, '%s', is not writable. The application is unusable until you make it writable.",
"db_setup" => "There was a problem setting up your database, %s. An attempt will be made to find out what's going on so you can fix the problem more easily",
"db_exists" => "A database, other file or directory of the name '%s' already exists.",
"db_blank" => "The database name cannot be blank.",
"exported" => "Exported",
"struct" => "Structure",
"struct_for" => "structure for",
"on_tbl" => "on table",
"data_dump" => "Data dump for",
"backup_hint" => "Hint: To backup your database, the easiest way is to %s.",
"backup_hint_linktext" => "download the database-file",
"total_rows" => "a total of %s rows",
"total" => "Total",
"not_dir" => "The directory you specified to scan for databases does not exist or is not a directory.",
"bad_php_directive" => "It appears that the PHP directive, 'register_globals' is enabled. This is bad. You need to disable it before continuing.",
"page_gen" => "Page generated in %s seconds.",
"powered" => "Powered by",
"free_software" => "This is free software.",
"please_donate" => "Please donate.",
"remember" => "Remember me",
"no_db" => "Welcome to %s. It appears that you have selected to scan a directory for databases to manage. However, %s could not find any valid SQLite databases. You may use the form below to create your first database.",
"no_db2" => "The directory you specified does not contain any existing databases to manage, and the directory is not writable. This means you can't create any new databases using %s. Either make the directory writable or manually upload databases to the directory.",
"dir_not_executable" => "The directory you specified cannot be scanned for databases as %s has no execute permissions on it. On Linux, use 'chmod +x %s' to fix this.",
"create" => "Create",
"created" => "has been created",
"create_tbl" => "Create new table",
"create_tbl_db" => "Create new table on database",
"create_trigger" => "Creating new trigger on table",
"create_index" => "Creating new index on table",
"create_index1" => "Create Index",
"create_view" => "Create new view on database",
"trigger" => "Trigger",
"triggers" => "Triggers",
"trigger_name" => "Trigger name",
"trigger_act" => "Trigger Action",
"trigger_step" => "Trigger Steps (semicolon terminated)",
"when_exp" => "WHEN expression (type expression without 'WHEN')",
"index" => "Index",
"indexes" => "Indexes",
"index_name" => "Index name",
"name" => "Name",
"unique" => "Unique",
"seq_no" => "Seq. No.",
"emptied" => "has been emptied",
"dropped" => "has been dropped",
"renamed" => "has been renamed to",
"altered" => "has been altered successfully",
"inserted" => "inserted",
"deleted" => "deleted",
"affected" => "affected",
"blank_index" => "Index name must not be blank.",
"one_index" => "You must specify at least one index column.",
"docu" => "Documentation",
"license" => "License",
"proj_site" => "Project Site",
"bug_report" => "This may be a bug that needs to be reported at",
"return" => "Return",
"browse" => "Browse",
"fld" => "Field",
"fld_num" => "Number of Fields",
"fields" => "Fields",
"type" => "Type",
"operator" => "Operator",
"val" => "Value",
"update" => "Update",
"comments" => "Comments",
"specify_fields" => "You must specify the number of table fields.",
"specify_tbl" => "You must specify a table name.",
"specify_col" => "You must specify a column.",
"tbl_exists" => "Table of the same name already exists.",
"show" => "Show",
"show_rows" => "Showing %s row(s). ",
"showing" => "Showing",
"showing_rows" => "Showing rows",
"query_time" => "(Query took %s sec)",
"syntax_err" => "There is a problem with the syntax of your query (Query was not executed)",
"run_sql" => "Run SQL query/queries on database '%s'",
"recent_queries" => "Recent Queries",
"full_texts" => "Show full texts",
"no_full_texts" => "Shorten long texts",
"ques_empty" => "Are you sure you want to empty the table '%s'?",
"ques_drop" => "Are you sure you want to drop the table '%s'?",
"ques_drop_view" => "Are you sure you want to drop the view '%s'?",
"ques_del_rows" => "Are you sure you want to delete row(s) %s from table '%s'?",
"ques_del_db" => "Are you sure you want to delete the database '%s'?",
"ques_column_delete" => "Are you sure you want to delete column(s) %s from table '%s'?",
"ques_del_index" => "Are you sure you want to delete index '%s'?",
"ques_del_trigger" => "Are you sure you want to delete trigger '%s'?",
"ques_primarykey_add" => "Are you sure you want to add a primary key for the column(s) %s in table '%s'?",
"export_struct" => "Export with structure",
"export_data" => "Export with data",
"add_drop" => "Add DROP TABLE",
"add_transact" => "Add TRANSACTION",
"fld_terminated" => "Fields terminated by",
"fld_enclosed" => "Fields enclosed by",
"fld_escaped" => "Fields escaped by",
"fld_names" => "Field names in first row",
"rep_null" => "Replace NULL by",
"rem_crlf" => "Remove CRLF characters within fields",
"put_fld" => "Put field names in first row",
"null_represent" => "NULL represented by",
"import_suc" => "Import was successful.",
"import_into" => "Import into",
"import_f" => "File to import",
"max_file_size" => "Maximum file size",
"rename_tbl" => "Rename table '%s' to",
"rows_records" => "row(s) starting from record # ",
"rows_aff" => "row(s) affected. ",
"as_a" => "as a",
"readonly_tbl" => "'%s' is a view, which means it is a SELECT statement treated as a read-only table. You may not edit or insert records.",
"chk_all" => "Check All",
"unchk_all" => "Uncheck All",
"with_sel" => "With Selected",
"no_tbl" => "No table in database.",
"no_chart" => "If you can read this, it means the chart could not be generated. The data you are trying to view may not be appropriate for a chart.",
"no_rows" => "There are no rows in the table for the range you selected.",
"no_sel" => "You did not select anything.",
"chart_type" => "Chart Type",
"chart_bar" => "Bar Chart",
"chart_pie" => "Pie Chart",
"chart_line" => "Line Chart",
"lbl" => "Labels",
"empty_tbl" => "This table is empty.",
"click" => "Click here",
"insert_rows" => "to insert rows.",
"restart_insert" => "Restart insertion with ",
"ignore" => "Ignore",
"func" => "Function",
"new_insert" => "Insert As New Row",
"save_ch" => "Save Changes",
"def_val" => "Default Value",
"prim_key" => "Primary Key",
"tbl_end" => "field(s) at end of table",
"query_used_table" => "Query used to create this table",
"query_used_view" => "Query used to create this view",
"create_index2" => "Create an index on",
"create_trigger2" => "Create a new trigger",
"new_fld" => "Adding new field(s) to table '%s'",
"add_flds" => "Add Fields",
"edit_col" => "Editing column '%s'",
"vac" => "Vacuum",
"vac_desc" => "Large databases sometimes need to be VACUUMed to reduce their footprint on the server. Click the button below to VACUUM the database '%s'.",
"vac_on_empty"=>"Rebuild database file to recover unused space (Vacuum)",
"event" => "Event",
"each_row" => "For Each Row",
"define_index" => "Define index properties",
"dup_val" => "Duplicate values",
"allow" => "Allowed",
"not_allow" => "Not Allowed",
"asc" => "Ascending",
"desc" => "Descending",
"warn0" => "You have been warned.",
"warn_passwd" => "You are using the default password, which can be dangerous. You can change it easily at the top of %s.",
"counting_skipped" => "Counting of records has been skipped for some tables because your database is comparably big and some tables don't have primary keys assigned to them so counting might be slow. Add a primary key to these tables or %sforce counting%s.",
"sel_state" => "Select Statement",
"delimit" => "Delimiter",
"back_top" => "Back to Top",
"choose_f" => "Choose File",
"instead" => "Instead of",
"define_in_col" => "Define index column(s)",
"delete_only_managed" => "You can only delete databases managed by this tool!",
"rename_only_managed" => "You can only rename databases managed by this tool!",
"db_moved_outside" => "You either tried to move the database into a directory where it cannot be managed anylonger, or the check if you did this failed because of missing rights.",
"extension_not_allowed" => "The extension you provided is not within the list of allowed extensions. Please use one of the following extensions",
"add_allowed_extension" => "You can add extensions to this list by adding your extension to \$allowed_extensions in the configuration.",
"database_not_writable" => "The database-file is not writable, so its content cannot be changed in any way.",
"directory_not_writable" => "The database-file itself is writable, but to write into it, the containing directory needs to be writable as well. This is because SQLite puts temporary files in there for locking.",
"tbl_inexistent" => "Table %s does not exist",
"col_inexistent" => "Column %s does not exist",
// errors that can happen when ALTER TABLE fails. You don't necessarily have to translate these.
"alter_failed" => "Altering of Table %s failed",
"alter_tbl_name_not_replacable" => "could not replace the table name with the temporary one",
"alter_no_def" => "no ALTER definition",
"alter_parse_failed" =>"failed to parse ALTER definition",
"alter_action_not_recognized" => "ALTER action could not be recognized",
"alter_no_add_col" => "no column to add detected in ALTER statement",
"alter_pattern_mismatch"=>"Pattern did not match on your original CREATE TABLE statement",
"alter_col_not_recognized" => "could not recognize new or old column name",
"alter_unknown_operation" => "Unknown ALTER operation!",
/* Help documentation */
"help_doc" => "Help Documentation",
"help1" => "SQLite Library Extensions",
"help1_x" => "%s uses PHP library extensions that allow interaction with SQLite databases. Currently, %s supports PDO, SQLite3, and SQLiteDatabase. Both PDO and SQLite3 deal with version 3 of SQLite, while SQLiteDatabase deals with version 2. So, if your PHP installation includes more than one SQLite library extension, PDO and SQLite3 will take precedence to make use of the better technology. However, if you have existing databases that are of version 2 of SQLite, %s will be forced to use SQLiteDatabase for only those databases. Not all databases need to be of the same version. During the database creation, however, the most advanced extension will be used.",
"help2" => "Creating a New Database",
"help2_x" => "When you create a new database, the name you entered will be appended with the appropriate file extension (.db, .db3, .sqlite, etc.) if you do not include it yourself. The database will be created in the directory you specified as the \$directory variable.",
"help3" => "Tables vs. Views",
"help3_x" => "On the main database page, there is a list of tables and views. Since views are read-only, certain operations will be disabled. These disabled operations will be apparent by their omission in the location where they should appear on the row for a view. If you want to change the data for a view, you need to drop that view and create a new view with the appropriate SELECT statement that queries other existing tables. For more information, see <a href='http://en.wikipedia.org/wiki/View_(database)' target='_blank'>http://en.wikipedia.org/wiki/View_(database)</a>",
"help4" => "Writing a Select Statement for a New View",
"help4_x" => "When you create a new view, you must write an SQL SELECT statement that it will use as its data. A view is simply a read-only table that can be accessed and queried like a regular table, except it cannot be modified through insertion, column editing, or row editing. It is only used for conveniently fetching data.",
"help5" => "Export Structure to SQL File",
"help5_x" => "During the process for exporting to an SQL file, you may choose to include the queries that create the table and columns.",
"help6" => "Export Data to SQL File",
"help6_x" => "During the process for exporting to an SQL file, you may choose to include the queries that populate the table(s) with the current records of the table(s).",
"help7" => "Add Drop Table to Exported SQL File",
"help7_x" => "During the process for exporting to an SQL file, you may choose to include queries to DROP the existing tables before adding them so that problems do not occur when trying to create tables that already exist.",
"help8" => "Add Transaction to Exported SQL File",
"help8_x" => "During the process for exporting to an SQL file, you may choose to wrap the queries around a TRANSACTION so that if an error occurs at any time during the importation process using the exported file, the database can be reverted to its previous state, preventing partially updated data from populating the database.",
"help9" => "Add Comments to Exported SQL File",
"help9_x" => "During the process for exporting to an SQL file, you may choose to include comments that explain each step of the process so that a human can better understand what is happening.",
"help10" => "Partial Indexes",
"help10_x" => "Partial indexes are indexes over a subset of the rows of a table specified by a WHERE clause. Note this requires at least SQLite 3.8.0 and database files with partial indexes won't be readable or writable by older versions. See the <a href='https://www.sqlite.org/partialindex.html' target='_blank'>SQLite documentation.</a>",
"help11" => "Maximum size of file uploads",
"help11_x" => "The maximum size of file uploads is determined by three PHP settings: <em>upload_max_filesize</em>, <em>post_max_size</em> and <em>memory_limit</em>. The smallest of these three limits the maximum size for file uploads. To upload larger files, adjust these values in your <em>php.ini</em> file."
);
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
//there is no reason for the average user to edit anything below this comment
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
//- Initialization
// load optional configuration file
$config_filename = './phpliteadmin.config.php';
if (is_readable($config_filename))
{
include_once $config_filename;
}
//constants 1
define("PROJECT", "phpLiteAdmin");
define("VERSION", "1.9.8.2");
define("FORCETYPE", false); //force the extension that will be used (set to false in almost all circumstances except debugging)
define("SYSTEMPASSWORD", $password); // Makes things easier.
define('PROJECT_URL','https://www.phpliteadmin.org/');
define('DONATE_URL','https://www.phpliteadmin.org/donate/');
define('VERSION_CHECK_URL','https://www.phpliteadmin.org/current_version.php');
define('PROJECT_BUGTRACKER_LINK','<a href="https://bitbucket.org/phpliteadmin/public/issues?status=new&status=open" target="_blank">https://bitbucket.org/phpliteadmin/public/issues?status=new&status=open</a>');
define('PROJECT_INSTALL_LINK','<a href="https://bitbucket.org/phpliteadmin/public/wiki/Installation" target="_blank">https://bitbucket.org/phpliteadmin/public/wiki/Installation</a>');
// up here, we don't output anything. debug output might appear here which is catched by ob and thrown later
ob_start();
// Resource output (css and javascript files)
// we get out of the main code as soon as possible, without inizializing the session
if (isset($_GET['resource']))
{
Resources::output($_GET['resource']);
exit();
}
// don't mess with this - required for the login session
ini_set('session.cookie_httponly', '1');
session_start();
// version-number added so after updating, old session-data is not used anylonger
// cookies names cannot contain symbols, except underscores
define("COOKIENAME", preg_replace('/[^a-zA-Z0-9_]/', '_', $cookie_name . '_' . VERSION) );
$params = new GetParameters();
if($debug==true)
{
ini_set("display_errors", 1);
error_reporting(E_STRICT | E_ALL);
} else
{
@ini_set("display_errors", 0);
}
// start the timer to record page load time
$pageTimer = new MicroTimer();
// load language file
if($language != 'en') {
$temp_lang=$lang;
if(is_file('languages/lang_'.$language.'.php'))
include('languages/lang_'.$language.'.php');
elseif(is_file('lang_'.$language.'.php'))
include('lang_'.$language.'.php');
$lang = array_merge($temp_lang, $lang);
unset($temp_lang);
}
// stripslashes if MAGIC QUOTES is turned on
// This is only a workaround. Please better turn off magic quotes!
// This code is from http://php.net/manual/en/security.magicquotes.disabling.php
if (get_magic_quotes_gpc()) {
$process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
while (list($key, $val) = each($process)) {
foreach ($val as $k => $v) {
unset($process[$key][$k]);
if (is_array($v)) {
$process[$key][stripslashes($k)] = $v;
$process[] = &$process[$key][stripslashes($k)];
} else {
$process[$key][stripslashes($k)] = stripslashes($v);
}
}
}
unset($process);
}
//data types array
$sqlite_datatypes = array("INTEGER", "REAL", "TEXT", "BLOB","NUMERIC","BOOLEAN","DATETIME");
//available SQLite functions array (don't add anything here or there will be problems)
$sqlite_functions = array("abs", "hex", "length", "lower", "ltrim", "random", "round", "rtrim", "trim", "typeof", "upper");
//- Support functions
// for php < 5.6.0
if(!function_exists('hash_equals'))
{
function hash_equals($str1, $str2)
{
if(strlen($str1) != strlen($str2))
return false;
else {
$res = $str1 ^ $str2;
$ret = 0;
for($i = strlen($res) - 1; $i >= 0; $i--)
$ret |= ord($res[$i]);
return !$ret;
}
}
}
//function that allows SQL delimiter to be ignored inside comments or strings
function explode_sql($delimiter, $sql)
{
$ign = array('"' => '"', "'" => "'", "/*" => "*/", "--" => "\n"); // Ignore sequences.
$out = array();
$last = 0;
$slen = strlen($sql);
$dlen = strlen($delimiter);
$i = 0;
while($i < $slen)
{
// Split on delimiter
if($slen - $i >= $dlen && substr($sql, $i, $dlen) == $delimiter)
{
array_push($out, substr($sql, $last, $i - $last));
$last = $i + $dlen;
$i += $dlen;
continue;
}
// Eat comments and string literals
foreach($ign as $start => $end)
{
$ilen = strlen($start);
if($slen - $i >= $ilen && substr($sql, $i, $ilen) == $start)
{
$i+=strlen($start);
$elen = strlen($end);
while($i < $slen)
{
if($slen - $i >= $elen && substr($sql, $i, $elen) == $end)
{
// SQL comment characters can be escaped by doubling the character. This recognizes and skips those.
if($start == $end && $slen - $i >= $elen*2 && substr($sql, $i, $elen*2) == $end.$end)
{
$i += $elen * 2;
continue;
}
else
{
$i += $elen;
continue 3;
}
}
$i++;
}
continue 2;
}
}
$i++;
}
if($last < $slen)
array_push($out, substr($sql, $last, $slen - $last));
return $out;
}
//function to scan entire directory tree and subdirectories
function dir_tree($dir)
{
$path = array();
$stack = array($dir);
while($stack)
{
$thisdir = array_pop($stack);
if($dircont = scandir($thisdir))
{
$i=0;
while(isset($dircont[$i]))
{
if($dircont[$i] !== '.' && $dircont[$i] !== '..')
{
$current_file = $thisdir.DIRECTORY_SEPARATOR.$dircont[$i];
if(is_file($current_file))
{
$path[] = $thisdir.DIRECTORY_SEPARATOR.$dircont[$i];
}
elseif (is_dir($current_file))
{
$path[] = $thisdir.DIRECTORY_SEPARATOR.$dircont[$i];
$stack[] = $current_file;
}
}
$i++;
}
}
}
return $path;
}
//the function echo the help [?] links to the documentation
function helpLink($name)
{
global $lang;
return "<a href='?help=1' onclick='openHelp(\"".$name."\"); return false;' class='helpq' title='".$lang['help'].": ".$name."' target='_blank'><span>[?]</span></a>";
}
// function to encode value into HTML just like htmlentities, but with adjusted default settings
function htmlencode($value, $flags=ENT_QUOTES, $encoding ="UTF-8")
{
return htmlentities($value, $flags, $encoding);
}
// reduce string chars
function subString($str)
{
global $charsNum, $params;
if($charsNum > 10 && (!isset($params->fulltexts) || !$params->fulltexts) && mb_strlen($str)>$charsNum)
{
$str = mb_substr($str, 0, $charsNum).'...';
}
return $str;
}
// marks searchwords and htmlencodes correctly
function markSearchWords($input, $field, $search)
{
$output = htmlencode($input);
if(isset($search['values'][$field]) && is_array($search['values'][$field]))
{
// build one regex that matches (all) search words
$regex = '/';
$vali=0;
foreach($search['values'][$field] as $searchValue)
{
if($search['operators'][$field] =='LIKE' || $search['operators'][$field] == 'LIKE%')
$regex .= '(?:'.($searchValue[0]=='%'?'':'^'); // does the searchvalue have to occur at the start?
$regex .= preg_quote(trim($searchValue,'%'),'/'); // the search value
if($search['operators'][$field] =='LIKE' || $search['operators'][$field] == 'LIKE%')
$regex .= (substr($searchValue,-1)=='%'?'':'$').')'; // does the searchvalue have to occur at the end?
if($vali++<count($search['values'][$field]))
$regex .= '|'; // there is another search value, so we add a |
}
$regex .= '/u';
// LIKE operator is not case sensitive, others are
if($search['operators'][$field] =='LIKE' || $search['operators'][$field] == 'LIKE%')
$regex.= 'i';
// split the string into parts that match and should be highlighted and parts in between
// $fldBetweenParts: the parts that don't match (might contain empty strings)
$fldBetweenParts = preg_split($regex, $input);
// $fldFoundParts[0]: the parts that match
preg_match_all($regex, $input, $fldFoundParts);
// stick the parts together
$output = '';
foreach($fldBetweenParts as $index => $betweenPart)
{
$output .= htmlencode($betweenPart); // part that does not match (might be empty)
if(isset($fldFoundParts[0][$index]))
$output .= '<u class="found">'.htmlencode($fldFoundParts[0][$index]).'</u>'; // the part that matched
}
}
return $output;
}
// checks the (new) name of a database file
function checkDbName($name)
{
global $allowed_extensions;
$info = pathinfo($name);
if(isset($info['extension']) && !in_array($info['extension'], $allowed_extensions))
{
return false;
} else
{
return (!is_file($name) && !is_dir($name));
}
}
// check whether a path is a db managed by this tool
// requires that $databases is already filled!
// returns the key of the db if managed, false otherwise.
function isManagedDB($path)
{
global $databases;
foreach($databases as $db_key => $database)
{
if($path === $database['path'])
{
// a db we manage. Thats okay.
// return the key.
return $db_key;
}
}
// not a db we manage!
return false;
}
// from a typename of a colun, get the type of the column's affinty
// see https://www.sqlite.org/datatype3.html section 2.1 for rules
function get_type_affinity($type)
{
if (preg_match("/INT/i", $type))
return "INTEGER";
else if (preg_match("/(?:CHAR|CLOB|TEXT)/i", $type))
return "TEXT";
else if (preg_match("/BLOB/i", $type) || $type=="")
return "NONE";
else if (preg_match("/(?:REAL|FLOA|DOUB)/i", $type))
return "REAL";
else
return "NUMERIC";
}
// Returns a file size limit in bytes based on the PHP upload_max_filesize
// post_max_size and memory_limit. Returns -1 in case of no limit.
function fileUploadMaxSize()
{
$max1 = parseSize(ini_get('post_max_size'));
$max2 = parseSize(ini_get('upload_max_filesize'));
$max3 = parseSize(ini_get('memory_limit'));
if($max1>0 && ($max1<=$max2 || $max2==0) && ($max1<=$max3 || $max3==-1))
return $max1;
elseif($max2>0 && ($max2<=$max1 || $max1==0) && ($max2<=$max3 || $max3==-1))
return $max2;
elseif($max3>-1 && ($max3<=$max1 || $max1==0) && ($max3<=$max2 || $max2==0))
return $max3;
else
return -1; // no limit
}
// Parses given size string like "12M" into number of bytes
// based on https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Component%21Utility%21Bytes.php/function/Bytes%3A%3AtoInt/8.2.x
function parseSize($size)
{
// Remove the non-unit characters from the size.
$unit = preg_replace('/[^bkmgtpezy]/i', '', $size);
// Remove the non-numeric characters from the size.
$size = preg_replace('/[^0-9\.]/', '', $size);
if ($unit)
{
// Find the position of the unit in the ordered string which is the power
// of magnitude to multiply a kilobyte by.
return round($size * pow(1024, stripos('bkmgtpezy', $unit[0])));
}
else {
return round($size);
}
}
//- Check user authentication, login and logout
$auth = new Authorization(); //create authorization object
// check if user has attempted to log out
if (isset($_GET['logout']))
$auth->revoke();
// check if user has attempted to log in
else if (isset($_POST['login']) && isset($_POST['password']))
{
$attempt = $auth->attemptGrant($_POST['password'], isset($_POST['remember']));
$params->redirect( $attempt ? array():array('failed'=>'1') );
}
//- Actions on database files and bulk data
if ($auth->isAuthorized())
{
//- Create a new database
if(isset($_POST['new_dbname']))
{
if($_POST['new_dbname']=='')
$params->redirect(array('table'=>null), $lang['err'].': '.$lang['db_blank']);
else
{
$str = preg_replace('@[^\w\-.]@u','', $_POST['new_dbname']);
$dbname = $str;
$dbpath = $str;
if(checkDbName($dbname))
{
$tdata = array();
$tdata['name'] = $dbname;
$tdata['path'] = $directory.DIRECTORY_SEPARATOR.$dbpath;
if(isset($_POST['new_dbtype']))
$tdata['type'] = $_POST['new_dbtype'];
else
$tdata['type'] = 3;
$td = new Database($tdata);
$td->query("VACUUM");
} else
{
if(is_file($dbname) || is_dir($dbname))
$params->redirect(array('view'=>'structure'),$lang['err'].': '.sprintf($lang['db_exists'], htmlencode($dbname)));
else
$params->redirect(array('view'=>'structure'),$lang['extension_not_allowed'].': '.implode(', ', array_map('htmlencode', $allowed_extensions)).'<br />'.$lang['add_allowed_extension']);
}
}
}
//- Scan a directory for databases
if($directory!==false)
{
if($directory[strlen($directory)-1]==DIRECTORY_SEPARATOR) //if user has a trailing slash in the directory, remove it
$directory = substr($directory, 0, strlen($directory)-1);
if(is_dir($directory)) //make sure the directory is valid
{
if($subdirectories===true)
$arr = dir_tree($directory);
else
$arr = scandir($directory);
$databases = array();
$j = 0;
for($i=0; $i<sizeof($arr); $i++) //iterate through all the files in the databases
{
if($subdirectories===false)
$arr[$i] = $directory.DIRECTORY_SEPARATOR.$arr[$i];
if(@!is_file($arr[$i])) continue;
$con = file_get_contents($arr[$i], NULL, NULL, 0, 60);
if(strpos($con, "** This file contains an SQLite 2.1 database **", 0)!==false || strpos($con, "SQLite format 3", 0)!==false)
{
$databases[$j]['path'] = $arr[$i];
if($subdirectories===false)
$databases[$j]['name'] = basename($arr[$i]);
else
$databases[$j]['name'] = $arr[$i];
$databases[$j]['writable'] = is_writable($databases[$j]['path']);
$databases[$j]['writable_dir'] = is_writable(dirname($databases[$j]['path']));
$databases[$j]['readable'] = is_readable($databases[$j]['path']);
$j++;
}
}
// 22 August 2011: gkf fixed bug #50.
sort($databases);
if(isset($tdata))
{
foreach($databases as $db_id => $database)
{
if($database['path'] === $tdata['path'])
{
$currentDB = $database;
$params->database = $database['path'];
break;
}
}
}
}
else //the directory is not valid - display error and exit
{
echo "<div class='confirm' style='margin:20px;'>".$lang['not_dir']."</div>";
exit();
}
}
else
{
for($i=0; $i<sizeof($databases); $i++)
{
if(!file_exists($databases[$i]['path']))
{
// the file does not exist and will be created when clicked, if permissions allow to
$databases[$i]['writable'] = is_writable(dirname($databases[$i]['path']));
$databases[$i]['writable_dir'] = is_writable(dirname($databases[$i]['path']));
$databases[$i]['readable'] = is_writable(dirname($databases[$i]['path']));
}
else
{
$databases[$i]['writable'] = is_writable($databases[$i]['path']);
$databases[$i]['writable_dir'] = is_writable(dirname($databases[$i]['path']));
$databases[$i]['readable'] = is_readable($databases[$i]['path']);
}
}
sort($databases);
}
// we now have the $databases array set. Check whether selected DB is a managed Db (is in this array)
if(!isset($currentDB) && (isset($_GET['database']) || isset($_POST['database']) ) )
{
$selected_db = ( isset($_POST['database']) ? $_POST['database'] : $_GET['database'] );
$db_key = isManagedDB($selected_db);
if($db_key!==false) {
$currentDB = $databases[$db_key];
$params->database = $databases[$db_key]['path'];
}
}
//- Delete an existing database
if(isset($_GET['database_delete']))
{
$dbpath = $_POST['database_delete'];
// check whether $dbpath really is a db we manage
$checkDB = isManagedDB($dbpath);
if($checkDB !== false)
{
unlink($dbpath);
unset($params->database);
unset($currentDB);
unset($databases[$checkDB]);
} else die($lang['err'].': '.$lang['delete_only_managed']);
}
//- Rename an existing database
if(isset($_GET['database_rename']))
{
$oldpath = $_POST['oldname'];
$newpath = $_POST['newname'];
$oldpath_parts = pathinfo($oldpath);
$newpath_parts = pathinfo($newpath);
// only rename?
$newpath = $oldpath_parts['dirname'].DIRECTORY_SEPARATOR.basename($_POST['newname']);
if($newpath != $_POST['newname'] && $subdirectories)
{
// it seems that the file should not only be renamed but additionally moved.
// we need to make sure it stays within $directory...
$new_realpath = realpath($newpath_parts['dirname']).DIRECTORY_SEPARATOR;
$directory_realpath = realpath($directory).DIRECTORY_SEPARATOR;
if(strpos($new_realpath, $directory_realpath)===0)
{
// its okay, the new directory is within $directory
$newpath = $_POST['newname'];
}
else $params->redirect(array('view'=>'rename'), $lang['err'].': '.$lang['db_moved_outside']);
}
if(checkDbName($newpath))
{
$checkDB = isManagedDB($oldpath);
if($checkDB !==false )
{
rename($oldpath, $newpath);
$databases[$checkDB]['path'] = $newpath;
$databases[$checkDB]['name'] = basename($newpath);
$currentDB = $databases[$checkDB];
$params->database = $databases[$checkDB]['path'];
$params->redirect(array('view'=>'rename'), sprintf($lang['db_renamed'], htmlencode($oldpath))." '".htmlencode($newpath)."'.");
}
else $params->redirect(array('view'=>'rename'), $lang['err'].': '.$lang['rename_only_managed']);
}
else
{
if(is_file($newpath) || is_dir($newpath))
$params->redirect(array('view'=>'rename'), $lang['err'].": " . sprintf($lang['db_exists'], htmlencode($newpath)));
else
$params->redirect(array('view'=>'rename'), $lang['err'].": " . $lang['extension_not_allowed'].': '.implode(', ', array_map('htmlencode', $allowed_extensions)).'<br />'.$lang['add_allowed_extension']);
}
}
//- Export (download a dump) an existing database
if(isset($_POST['export']))
{
ob_end_clean();
$export_filename = str_replace(array("\r", "\n"), '',$_POST['filename']); // against http header injection (php < 5.1.2 only)
if($_POST['export_type']=="sql")
{
header('Content-Type: text/sql');
header('Content-Disposition: attachment; filename="'.$export_filename.'.'.$_POST['export_type'].'";');
if(isset($_POST['tables']))
$tables = $_POST['tables'];
else
{
$tables = array();
$tables[0] = $_POST['single_table'];
}
$drop = isset($_POST['drop']);
$structure = isset($_POST['structure']);
$data = isset($_POST['data']);
$transaction = isset($_POST['transaction']);
$comments = isset($_POST['comments']);
$db = new Database($currentDB);
echo $db->export_sql($tables, $drop, $structure, $data, $transaction, $comments);
}
else if($_POST['export_type']=="csv")
{
header("Content-type: application/csv");
header('Content-Disposition: attachment; filename="'.$export_filename.'.'.$_POST['export_type'].'";');
header("Pragma: no-cache");