mirror of
https://github.com/kremalicious/krtmn.git
synced 2024-06-29 00:57:58 +02:00
345 lines
10 KiB
PHP
Executable File
345 lines
10 KiB
PHP
Executable File
<?php
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/**
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* Check if server has MySQL 5.0+
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*
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*/
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function yourls_check_database_version() {
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global $ydb;
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// Attempt to get MySQL server version, check result and if error count increased
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$num_errors1 = count( $ydb->captured_errors );
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$version = yourls_get_database_version();
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$num_errors2 = count( $ydb->captured_errors );
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if( $version == NULL || ( $num_errors2 > $num_errors1 ) ) {
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yourls_die( yourls__( 'Incorrect DB config, or could not connect to DB' ), yourls__( 'Fatal error' ), 503 );
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}
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return ( version_compare( '5.0', $version ) <= 0 );
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}
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/**
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* Get DB version
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*
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* The regex removes everything that's not a number at the start of the string, or remove anything that's not a number and what
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* follows after that.
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* 'omgmysql-5.5-ubuntu-4.20' => '5.5'
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* 'mysql5.5-ubuntu-4.20' => '5.5'
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* '5.5-ubuntu-4.20' => '5.5'
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* '5.5-beta2' => '5.5'
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* '5.5' => '5.5'
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*
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* @since 1.7
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* @return string sanitized DB version
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*/
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function yourls_get_database_version() {
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global $ydb;
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return preg_replace( '/(^[^0-9]*)|[^0-9.].*/', '', $ydb->mysql_version() );
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}
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/**
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* Check if PHP > 5.2
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*
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*/
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function yourls_check_php_version() {
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return ( version_compare( '5.2', phpversion() ) <= 0 );
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}
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/**
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* Check if server is an Apache
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*
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*/
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function yourls_is_apache() {
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if( !array_key_exists( 'SERVER_SOFTWARE', $_SERVER ) )
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return false;
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return (
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strpos( $_SERVER['SERVER_SOFTWARE'], 'Apache' ) !== false
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|| strpos( $_SERVER['SERVER_SOFTWARE'], 'LiteSpeed' ) !== false
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);
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}
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/**
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* Check if server is running IIS
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*
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*/
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function yourls_is_iis() {
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return ( array_key_exists( 'SERVER_SOFTWARE', $_SERVER ) ? ( strpos( $_SERVER['SERVER_SOFTWARE'], 'IIS' ) !== false ) : false );
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}
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/**
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* Create .htaccess or web.config. Returns boolean
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*
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*/
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function yourls_create_htaccess() {
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$host = parse_url( YOURLS_SITE );
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$path = ( isset( $host['path'] ) ? $host['path'] : '' );
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if ( yourls_is_iis() ) {
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// Prepare content for a web.config file
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$content = array(
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'<?'.'xml version="1.0" encoding="UTF-8"?>',
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'<configuration>',
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' <system.webServer>',
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' <security>',
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' <requestFiltering allowDoubleEscaping="true" />',
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' </security>',
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' <rewrite>',
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' <rules>',
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' <rule name="YOURLS" stopProcessing="true">',
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' <match url="^(.*)$" ignoreCase="false" />',
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' <conditions>',
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' <add input="{REQUEST_FILENAME}" matchType="IsFile" ignoreCase="false" negate="true" />',
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' <add input="{REQUEST_FILENAME}" matchType="IsDirectory" ignoreCase="false" negate="true" />',
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' </conditions>',
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' <action type="Rewrite" url="'.$path.'/yourls-loader.php" appendQueryString="true" />',
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' </rule>',
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' </rules>',
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' </rewrite>',
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' </system.webServer>',
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'</configuration>',
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);
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$filename = YOURLS_ABSPATH.'/web.config';
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$marker = 'none';
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} else {
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// Prepare content for a .htaccess file
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$content = array(
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'<IfModule mod_rewrite.c>',
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'RewriteEngine On',
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'RewriteBase '.$path.'/',
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'RewriteCond %{REQUEST_FILENAME} !-f',
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'RewriteCond %{REQUEST_FILENAME} !-d',
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'RewriteRule ^.*$ '.$path.'/yourls-loader.php [L]',
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'</IfModule>',
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);
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$filename = YOURLS_ABSPATH.'/.htaccess';
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$marker = 'YOURLS';
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}
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return ( yourls_insert_with_markers( $filename, $marker, $content ) );
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}
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/**
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* Insert text into a file between BEGIN/END markers, return bool. Stolen from WP
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*
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* Inserts an array of strings into a file (eg .htaccess ), placing it between
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* BEGIN and END markers. Replaces existing marked info. Retains surrounding
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* data. Creates file if none exists.
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*
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* @since 1.3
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*
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* @param string $filename
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* @param string $marker
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* @param array $insertion
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* @return bool True on write success, false on failure.
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*/
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function yourls_insert_with_markers( $filename, $marker, $insertion ) {
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if ( !file_exists( $filename ) || is_writeable( $filename ) ) {
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if ( !file_exists( $filename ) ) {
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$markerdata = '';
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} else {
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$markerdata = explode( "\n", implode( '', file( $filename ) ) );
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}
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if ( !$f = @fopen( $filename, 'w' ) )
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return false;
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$foundit = false;
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if ( $markerdata ) {
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$state = true;
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foreach ( $markerdata as $n => $markerline ) {
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if ( strpos( $markerline, '# BEGIN ' . $marker ) !== false )
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$state = false;
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if ( $state ) {
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if ( $n + 1 < count( $markerdata ) )
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fwrite( $f, "{$markerline}\n" );
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else
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fwrite( $f, "{$markerline}" );
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}
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if ( strpos( $markerline, '# END ' . $marker ) !== false ) {
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if ( $marker != 'none' )
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fwrite( $f, "# BEGIN {$marker}\n" );
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if ( is_array( $insertion ) )
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foreach ( $insertion as $insertline )
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fwrite( $f, "{$insertline}\n" );
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if ( $marker != 'none' )
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fwrite( $f, "# END {$marker}\n" );
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$state = true;
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$foundit = true;
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}
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}
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}
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if ( !$foundit ) {
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if ( $marker != 'none' )
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fwrite( $f, "\n\n# BEGIN {$marker}\n" );
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foreach ( $insertion as $insertline )
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fwrite( $f, "{$insertline}\n" );
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if ( $marker != 'none' )
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fwrite( $f, "# END {$marker}\n\n" );
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}
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fclose( $f );
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return true;
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} else {
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return false;
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}
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}
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/**
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* Create MySQL tables. Return array( 'success' => array of success strings, 'errors' => array of error strings )
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*
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* @since 1.3
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* @return array An array like array( 'success' => array of success strings, 'errors' => array of error strings )
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*/
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function yourls_create_sql_tables() {
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// Allow plugins (most likely a custom db.php layer in user dir) to short-circuit the whole function
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$pre = yourls_apply_filter( 'shunt_yourls_create_sql_tables', null );
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// your filter function should return an array of ( 'success' => $success_msg, 'error' => $error_msg ), see below
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if ( null !== $pre ) {
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return $pre;
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}
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global $ydb;
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$error_msg = array();
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$success_msg = array();
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// Create Table Query
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$create_tables = array();
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$create_tables[YOURLS_DB_TABLE_URL] =
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'CREATE TABLE IF NOT EXISTS `'.YOURLS_DB_TABLE_URL.'` ('.
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'`keyword` varchar(200) BINARY NOT NULL,'.
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'`url` text BINARY NOT NULL,'.
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'`title` text CHARACTER SET utf8,'.
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'`timestamp` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,'.
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'`ip` VARCHAR(41) NOT NULL,'.
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'`clicks` INT(10) UNSIGNED NOT NULL,'.
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' PRIMARY KEY (`keyword`),'.
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' KEY `timestamp` (`timestamp`),'.
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' KEY `ip` (`ip`)'.
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');';
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$create_tables[YOURLS_DB_TABLE_OPTIONS] =
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'CREATE TABLE IF NOT EXISTS `'.YOURLS_DB_TABLE_OPTIONS.'` ('.
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'`option_id` bigint(20) unsigned NOT NULL auto_increment,'.
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'`option_name` varchar(64) NOT NULL default "",'.
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'`option_value` longtext NOT NULL,'.
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'PRIMARY KEY (`option_id`,`option_name`),'.
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'KEY `option_name` (`option_name`)'.
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') AUTO_INCREMENT=1 ;';
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$create_tables[YOURLS_DB_TABLE_LOG] =
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'CREATE TABLE IF NOT EXISTS `'.YOURLS_DB_TABLE_LOG.'` ('.
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'`click_id` int(11) NOT NULL auto_increment,'.
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'`click_time` datetime NOT NULL,'.
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'`shorturl` varchar(200) BINARY NOT NULL,'.
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'`referrer` varchar(200) NOT NULL,'.
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'`user_agent` varchar(255) NOT NULL,'.
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'`ip_address` varchar(41) NOT NULL,'.
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'`country_code` char(2) NOT NULL,'.
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'PRIMARY KEY (`click_id`),'.
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'KEY `shorturl` (`shorturl`)'.
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') AUTO_INCREMENT=1 ;';
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$create_table_count = 0;
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$ydb->show_errors = true;
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// Create tables
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foreach ( $create_tables as $table_name => $table_query ) {
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$ydb->query( $table_query );
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$create_success = $ydb->query( "SHOW TABLES LIKE '$table_name'" );
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if( $create_success ) {
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$create_table_count++;
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$success_msg[] = yourls_s( "Table '%s' created.", $table_name );
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} else {
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$error_msg[] = yourls_s( "Error creating table '%s'.", $table_name );
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}
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}
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// Initializes the option table
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if( !yourls_initialize_options() )
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$error_msg[] = yourls__( 'Could not initialize options' );
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// Insert sample links
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if( !yourls_insert_sample_links() )
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$error_msg[] = yourls__( 'Could not insert sample short URLs' );
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// Check results of operations
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if ( sizeof( $create_tables ) == $create_table_count ) {
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$success_msg[] = yourls__( 'YOURLS tables successfully created.' );
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} else {
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$error_msg[] = yourls__( 'Error creating YOURLS tables.' );
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}
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return array( 'success' => $success_msg, 'error' => $error_msg );
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}
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/**
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* Initializes the option table
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*
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* Each yourls_update_option() returns either true on success (option updated) or false on failure (new value == old value, or
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* for some reason it could not save to DB).
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* Since true & true & true = 1, we cast it to boolean type to return true (or false)
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*
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* @since 1.7
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* @return bool
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*/
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function yourls_initialize_options() {
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return ( bool ) (
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yourls_update_option( 'version', YOURLS_VERSION )
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& yourls_update_option( 'db_version', YOURLS_DB_VERSION )
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& yourls_update_option( 'next_id', 1 )
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);
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}
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/**
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* Populates the URL table with a few sample links
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*
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* @since 1.7
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* @return bool
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*/
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function yourls_insert_sample_links() {
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$link1 = yourls_add_new_link( 'http://blog.yourls.org/', 'yourlsblog', 'YOURLS\' Blog' );
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$link2 = yourls_add_new_link( 'http://yourls.org/', 'yourls', 'YOURLS: Your Own URL Shortener' );
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$link3 = yourls_add_new_link( 'http://ozh.org/', 'ozh', 'ozh.org' );
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return ( bool ) (
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$link1['status'] == 'success'
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& $link2['status'] == 'success'
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& $link3['status'] == 'success'
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);
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}
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/**
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* Toggle maintenance mode. Inspired from WP. Returns true for success, false otherwise
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*
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*/
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function yourls_maintenance_mode( $maintenance = true ) {
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$file = YOURLS_ABSPATH . '/.maintenance' ;
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// Turn maintenance mode on : create .maintenance file
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if ( (bool)$maintenance ) {
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if ( ! ( $fp = @fopen( $file, 'w' ) ) )
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return false;
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$maintenance_string = '<?php $maintenance_start = ' . time() . '; ?>';
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@fwrite( $fp, $maintenance_string );
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@fclose( $fp );
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@chmod( $file, 0644 ); // Read and write for owner, read for everybody else
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// Not sure why the fwrite would fail if the fopen worked... Just in case
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return( is_readable( $file ) );
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// Turn maintenance mode off : delete the .maintenance file
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} else {
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return @unlink($file);
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}
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} |