<?php
namespace W3TC;





/**
 * class Minify_Environment
 */
class Minify_Environment {
	public function __construct() {
		add_filter( 'w3tc_browsercache_rules_section',
			array( $this, 'w3tc_browsercache_rules_section' ),
			10, 3 );
	}

	/**
	 * Fixes environment in each wp-admin request
	 *
	 * @param Config  $config
	 * @param bool    $force_all_checks
	 *
	 * @throws Util_Environment_Exceptions
	 */
	public function fix_on_wpadmin_request( $config, $force_all_checks ) {
		$exs = new Util_Environment_Exceptions();

		$this->fix_folders( $config, $exs );

		if ( $config->get_boolean( 'config.check' ) || $force_all_checks ) {
			if ( $config->get_boolean( 'minify.enabled' ) &&
				Util_Rule::can_check_rules() &&
				$config->get_boolean( 'minify.rewrite' ) ) {
				$this->rules_core_add( $config, $exs );
			} else {
				$this->rules_core_remove( $exs );
			}

			if ( $config->get_boolean( 'minify.enabled' ) &&
				$config->get_string( 'minify.engine' ) == 'file' ) {
				$this->rules_cache_add( $config, $exs );
			} else {
				$this->rules_cache_remove( $exs );
			}
		}

		// if no errors so far - check if rewrite actually works
		if ( count( $exs->exceptions() ) <= 0 ) {
			try {
				if ( $config->get_boolean( 'minify.enabled' ) &&
					$config->get_boolean( 'minify.rewrite' ) &&
					$config->get_boolean( 'minify.debug' ) )
					$this->verify_rewrite_working();
			} catch ( \Exception $ex ) {
				$exs->push( $ex );
			}

			if ( $config->get_boolean( 'minify.enabled' ) )
				$this->verify_engine_working( $config, $exs );
		}

		if ( count( $exs->exceptions() ) > 0 )
			throw $exs;
	}

	/**
	 * Fixes environment once event occurs
	 *
	 * @param Config  $config
	 * @param string  $event
	 * @param null|Config $old_config
	 * @throws Util_Environment_Exceptions
	 */
	public function fix_on_event( $config, $event, $old_config = null ) {
		// Schedules events
		if ( $config->get_boolean( 'minify.enabled' ) &&
			$config->get_string( 'minify.engine' ) == 'file' ) {
			if ( $old_config != null &&
				$config->get_integer( 'minify.file.gc' ) !=
				$old_config->get_integer( 'minify.file.gc' ) ) {
				$this->unschedule();
			}

			if ( !wp_next_scheduled( 'w3_minify_cleanup' ) ) {
				wp_schedule_event( time(),
					'w3_minify_cleanup', 'w3_minify_cleanup' );
			}
		} else {
			$this->unschedule();
		}
	}

	/**
	 * Fixes environment after plugin deactivation
	 *
	 * @throws Util_Environment_Exceptions
	 */
	public function fix_after_deactivation() {
		$exs = new Util_Environment_Exceptions();

		$this->rules_core_remove( $exs );
		$this->rules_cache_remove( $exs );

		$this->unschedule();

		if ( count( $exs->exceptions() ) > 0 )
			throw $exs;
	}

	/**
	 *
	 *
	 * @param Config  $config
	 * @return array
	 */
	function get_required_rules( $config ) {
		if ( !$config->get_boolean( 'minify.enabled' ) )
			return null;

		$rewrite_rules = array();
		if ( $config->get_string( 'minify.engine' ) == 'file' ) {
			$minify_rules_cache_path = Util_Rule::get_minify_rules_cache_path();
			$rewrite_rules[] = array(
				'filename' => $minify_rules_cache_path,
				'content'  => $this->rules_cache_generate( $config )
			);
		}
		$minify_rules_core_path = Util_Rule::get_minify_rules_core_path();
		$rewrite_rules[] = array(
			'filename' => $minify_rules_core_path,
			'content'  => $this->rules_core_generate( $config ),
			'priority' => 1000
		);

		return $rewrite_rules;
	}



	/**
	 * Fixes folders
	 *
	 * @param Config  $config
	 * @param Util_Environment_Exceptions $exs
	 */
	private function fix_folders( $config, $exs ) {
		// folder that we delete if exists and not writeable
		if ( $config->get_boolean( 'minify.enabled' ) &&
			$config->get_string( 'minify.engine' ) == 'file' ) {
			$dir = W3TC_CACHE_MINIFY_DIR;

			try{
				if ( file_exists( $dir ) && !is_writeable( $dir ) )
					Util_WpFile::delete_folder( $dir, '', isset( $_SERVER['REQUEST_URI'] ) ? esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '' );
			} catch ( Util_WpFile_FilesystemRmdirException $ex ) {
				$exs->push( $ex );
			}
		}
	}

	/**
	 * Minifiers availability error handling
	 *
	 * @param Config  $config
	 * @param Util_Environment_Exceptions $exs
	 */
	private function verify_engine_working( $config, $exs ) {
		$minifiers_errors = array();

		if ( $config->get_string( 'minify.js.engine' ) == 'yuijs' ) {
			$path_java = $config->get_string( 'minify.yuijs.path.java' );
			$path_jar = $config->get_string( 'minify.yuijs.path.jar' );

			if ( !file_exists( $path_java ) ) {
				$minifiers_errors[] = sprintf( 'YUI Compressor (JS): JAVA executable path was not found. The default minifier JSMin will be used instead.' );
			} elseif ( !file_exists( $path_jar ) ) {
				$minifiers_errors[] = sprintf( 'YUI Compressor (JS): JAR file path was not found. The default minifier JSMin will be used instead.' );
			}
		}

		if ( $config->get_string( 'minify.css.engine' ) == 'yuicss' ) {
			$path_java = $config->get_string( 'minify.yuicss.path.java' );
			$path_jar = $config->get_string( 'minify.yuicss.path.jar' );

			if ( !file_exists( $path_java ) ) {
				$minifiers_errors[] = sprintf( 'YUI Compressor (CSS): JAVA executable path was not found. The default CSS minifier will be used instead.' );
			} elseif ( !file_exists( $path_jar ) ) {
				$minifiers_errors[] = sprintf( 'YUI Compressor (CSS): JAR file path was not found. The default CSS minifier will be used instead.' );
			}
		}

		if ( $config->get_string( 'minify.js.engine' ) == 'ccjs' ) {
			$path_java = $config->get_string( 'minify.ccjs.path.java' );
			$path_jar = $config->get_string( 'minify.ccjs.path.jar' );

			if ( !file_exists( $path_java ) ) {
				$minifiers_errors[] = sprintf( 'Closure Compiler: JAVA executable path was not found. The default minifier JSMin will be used instead.' );
			} elseif ( !file_exists( $path_jar ) ) {
				$minifiers_errors[] = sprintf( 'Closure Compiler: JAR file path was not found. The default minifier JSMin will be used instead.' );
			}
		}

		if ( count( $minifiers_errors ) ) {
			$minify_error = 'The following minifiers cannot be found or are no longer working:</p><ul>';

			foreach ( $minifiers_errors as $minifiers_error ) {
				$minify_error .= '<li>' . $minifiers_error . '</li>';
			}

			$minify_error .= '</ul><p>This message will automatically disappear once the issue is resolved.';

			$exs->push( new Util_Environment_Exception( $minify_error ) );
		}
	}

	/**
	 * Checks rewrite
	 *
	 * @throws Util_Environment_Exceptions
	 */
	private function verify_rewrite_working() {
		$url = Minify_Core::minified_url( rand() . 'w3tc_rewrite_test.css' );

		$result = $this->test_rewrite( $url );
		if ( $result != 'ok' ) {
			$home_url = get_home_url();

			$tech_message =
				( Util_Environment::is_nginx() ? 'nginx configuration file' : '.htaccess file' ) .
				' contains rules to rewrite url ' .
				$url . '. If handled by ' .
				'plugin, it returns "Minify OK" message.<br/>';
			$tech_message .= 'The plugin made a request to ' .
				$url . ' but received: <br />' .
				$result . '<br />';
			$tech_message .= 'instead of "Minify OK" response. <br />';

			$error = '<strong>W3 Total Cache error:</strong>It appears Minify ' .
				'<acronym title="Uniform Resource Locator">URL</acronym> ' .
				'rewriting is not working. ';

			if ( Util_Environment::is_nginx() ) {
				$error .= 'Please verify that all configuration files are ' .
					'included in the configuration file ' .
					'(and that you have reloaded / restarted nginx).';
			} else {
				$error .= 'Please verify that the server configuration ' .
					'allows .htaccess';
			}

			$error .= '<br />Unfortunately minification will ' .
				'not function without custom rewrite rules. ' .
				'Please ask your server administrator for assistance. ' .
				'Also refer to <a href="' .
				admin_url( 'admin.php?page=w3tc_install' ) .
				'">the install page</a>  for the rules for your server.';

			throw new Util_Environment_Exception( $error, $tech_message );
		}
	}

	/**
	 * Perform rewrite test
	 *
	 * @param string  $url
	 * @return boolean
	 */
	private function test_rewrite( $url ) {
		$key = sprintf( 'w3tc_rewrite_test_%s', substr( md5( $url ), 0, 16 ) );
		$result = get_site_transient( $key );

		if ( $result != 'ok' ) {
			$response = Util_Http::get( $url );

			$is_ok = ( !is_wp_error( $response ) &&
				$response['response']['code'] == 200 &&
				trim( $response['body'] ) == 'Minify OK' );

			if ( $is_ok )
				$result = 'ok';
			else {
				if ( is_wp_error( $response ) )
					$result = $response->get_error_message();
				else {
					$result = '<pre>' .
						print_r( $response['response'], true ) .
						'</pre>';
				}
			}

			set_site_transient( $key, $result, 30 );
		}

		return $result;
	}



	/**
	 * scheduling stuff
	 */
	private function unschedule() {
		if ( wp_next_scheduled( 'w3_minify_cleanup' ) ) {
			wp_clear_scheduled_hook( 'w3_minify_cleanup' );
		}
	}



	/**
	 * rules core modification
	 */

	/**
	 * Writes directives to WP .htaccess
	 *
	 * @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
	 */
	private function rules_core_add( $config, $exs ) {

		Util_Rule::add_rules( $exs, Util_Rule::get_minify_rules_core_path(),
			$this->rules_core_generate( $config ),
			W3TC_MARKER_BEGIN_MINIFY_CORE,
			W3TC_MARKER_END_MINIFY_CORE,
			array(
				W3TC_MARKER_BEGIN_PGCACHE_CORE => 0,
				W3TC_MARKER_BEGIN_WORDPRESS => 0,
				W3TC_MARKER_END_BROWSERCACHE_CACHE => strlen( W3TC_MARKER_END_BROWSERCACHE_CACHE ) + 1,
				W3TC_MARKER_END_PGCACHE_CACHE => strlen( W3TC_MARKER_END_PGCACHE_CACHE ) + 1,
				W3TC_MARKER_END_MINIFY_CACHE => strlen( W3TC_MARKER_END_MINIFY_CACHE ) + 1
			)
		);
	}

	/**
	 * Removes Page Cache core directives
	 *
	 * @param Util_Environment_Exceptions $exs
	 * @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
	 */
	private function rules_core_remove( $exs ) {
		// no need to remove rules for apache - its in cache .htaccess file
		if ( !Util_Environment::is_nginx() )
			return;

		Util_Rule::remove_rules( $exs,
			Util_Rule::get_minify_rules_core_path(),
			W3TC_MARKER_BEGIN_MINIFY_CORE ,
			W3TC_MARKER_END_MINIFY_CORE );
	}

	/**
	 * Generates rules for WP dir
	 *
	 * @param Config  $config
	 * @return string
	 */
	public function rules_core_generate( $config ) {
		switch ( true ) {
		case Util_Environment::is_apache():
		case Util_Environment::is_litespeed():
			return $this->rules_core_generate_apache( $config );

		case Util_Environment::is_nginx():
			return $this->rules_core_generate_nginx( $config );
		}

		return '';
	}

	private function site_uri() {
		$site_uri = rtrim( network_site_url( '', 'relative' ), '/' ) . '/';

		/* There is a bug in WP where network_home_url can return
		 * a non-relative URI even though scheme is set to relative.
		 */
		if ( Util_Environment::is_url( $site_uri ) ) {
			$site_uri = parse_url( $site_uri, PHP_URL_PATH );
		}

		return $site_uri;
	}

	/**
	 * Generates rules
	 *
	 * @param Config  $config
	 * @return string
	 */
	function rules_core_generate_apache( $config ) {
		$cache_uri = Util_Environment::url_to_uri(
			Util_Environment::filename_to_url( W3TC_CACHE_MINIFY_DIR ) ) . '/';
		$site_uri = $this->site_uri();

		/* There is a bug in WP where network_home_url can return
		 * a non-relative URI even though scheme is set to relative.
		 */
		if ( Util_Environment::is_url( $site_uri ) ) {
			$site_uri = parse_url( $site_uri, PHP_URL_PATH );
		}

		$engine = $config->get_string( 'minify.engine' );
		$browsercache = $config->get_boolean( 'browsercache.enabled' );
		$brotli = ( $browsercache &&
			$config->get_boolean( 'browsercache.cssjs.brotli' ) &&
			!defined( 'W3TC_PAGECACHE_OUTPUT_COMPRESSION_OFF' ) );
		$compression = ( $browsercache &&
			$config->get_boolean( 'browsercache.cssjs.compression' ) &&
			!defined( 'W3TC_PAGECACHE_OUTPUT_COMPRESSION_OFF' ) );

		$rules = '';
		$rules .= W3TC_MARKER_BEGIN_MINIFY_CORE . "\n";
		$rules .= "<IfModule mod_rewrite.c>\n";
		$rules .= "    RewriteEngine On\n";
		$rules .= "    RewriteBase " . $cache_uri . "\n";

		if ( $engine == 'file' ) {
			if ( $brotli ) {
				$rules .= "    RewriteCond %{HTTP:Accept-Encoding} br\n";
				$rules .= "    RewriteRule .* - [E=APPEND_EXT:_br]\n";
				$rules .= "    RewriteCond %{REQUEST_FILENAME}%{ENV:APPEND_EXT} -" . ( $config->get_boolean( 'minify.file.nfs' ) ? 'F' : 'f' ) . "\n";
				$rules .= "    RewriteRule (.*) $1%{ENV:APPEND_EXT} [L]\n";
			}
			if ( $compression ) {
				$rules .= "    RewriteCond %{HTTP:Accept-Encoding} gzip\n";
				$rules .= "    RewriteRule .* - [E=APPEND_EXT:_gzip]\n";
				$rules .= "    RewriteCond %{REQUEST_FILENAME}%{ENV:APPEND_EXT} -" . ( $config->get_boolean( 'minify.file.nfs' ) ? 'F' : 'f' ) . "\n";
				$rules .= "    RewriteRule (.*) $1%{ENV:APPEND_EXT} [L]\n";
			}
			if ( !$brotli && !$compression ) {
				$rules .= "    RewriteCond %{REQUEST_FILENAME} !-f\n";
			}
		}
		$rules .= "    RewriteRule ^(.+\\.(css|js))$ {$site_uri}index.php [L]\n";

		$rules .= "</IfModule>\n";
		$rules .= W3TC_MARKER_END_MINIFY_CORE . "\n";

		return $rules;
	}

	/**
	 * Generates rules
	 *
	 * @param Config  $config
	 * @return string
	 */
	function rules_core_generate_nginx( $config ) {
		$cache_uri = Util_Environment::url_to_uri(
			Util_Environment::filename_to_url( W3TC_CACHE_MINIFY_DIR ) ) . '/';
		$first_regex_var = '$1';

		// for subdir - need to count subdir in url
		if ( Util_Environment::is_wpmu() && !Util_Environment::is_wpmu_subdomain() ) {
			// take into accont case when whole subdir wpmu is installed in subdir
			$home_uri = network_home_url( '', 'relative' );
			if ( substr( $cache_uri, 0, strlen( $home_uri ) ) == $home_uri )
				$cache_uri = $home_uri . '([a-z0-9]+/)?' .
					substr( $cache_uri, strlen( $home_uri ) );
			else
				$cache_uri = '(/[a-z0-9]+)?' . $cache_uri;

			$first_regex_var = '$2';
		}

		$minify_uri = $this->site_uri();

		$engine = $config->get_string( 'minify.engine' );
		$browsercache = $config->get_boolean( 'browsercache.enabled' );
		$brotli = ( $browsercache &&
			$config->get_boolean( 'browsercache.cssjs.brotli' ) &&
			!defined( 'W3TC_PAGECACHE_OUTPUT_COMPRESSION_OFF' ) );
		$compression = ( $browsercache &&
			$config->get_boolean( 'browsercache.cssjs.compression' ) &&
			!defined( 'W3TC_PAGECACHE_OUTPUT_COMPRESSION_OFF' ) );

		$rules = '';
		$rules .= W3TC_MARKER_BEGIN_MINIFY_CORE . "\n";

		if ( $engine == 'file' ) {
			$rules .= "set \$w3tc_enc \"\";\n";

			if ( $brotli ) {
				$rules .= "if (\$http_accept_encoding ~ br) {\n";
				$rules .= "    set \$w3tc_enc _br;\n";
				$rules .= "}\n";
			}

			if ( $compression ) {
				$rules .= "if (\$http_accept_encoding ~ gzip) {\n";
				$rules .= "    set \$w3tc_enc _gzip;\n";
				$rules .= "}\n";
			}

			$rules .= "if (-f \$request_filename\$w3tc_enc) {\n";
			$rules .= "    rewrite (.*) $1\$w3tc_enc break;\n";
			$rules .= "}\n";
		}
		$rules .= "rewrite ^$cache_uri {$minify_uri}index.php last;\n";
		$rules .= W3TC_MARKER_END_MINIFY_CORE . "\n";

		return $rules;
	}



	/*
	 * cache rules
	 */

	/**
	 * Writes directives to file cache .htaccess
	 * Throws exception on error
	 *
	 * @param Config  $config
	 * @param Util_Environment_Exceptions $exs
	 */
	private function rules_cache_add( $config, $exs ) {
		Util_Rule::add_rules( $exs,
			Util_Rule::get_minify_rules_cache_path(),
			$this->rules_cache_generate( $config ),
			W3TC_MARKER_BEGIN_MINIFY_CACHE,
			W3TC_MARKER_END_MINIFY_CACHE,
			array(
				W3TC_MARKER_BEGIN_PGCACHE_CACHE => 0,
				W3TC_MARKER_BEGIN_BROWSERCACHE_CACHE => 0,
				W3TC_MARKER_BEGIN_MINIFY_CORE => 0,
				W3TC_MARKER_BEGIN_PGCACHE_CORE => 0,
				W3TC_MARKER_BEGIN_WORDPRESS => 0
			)
		);
	}

	/**
	 * Removes Page Cache core directives
	 *
	 * @param Util_Environment_Exceptions $exs
	 * @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
	 */
	private function rules_cache_remove( $exs ) {
		// apache's cache files are not used when core rules disabled
		if ( !Util_Environment::is_nginx() )
			return;

		Util_Rule::remove_rules( $exs,
			Util_Rule::get_minify_rules_cache_path(),
			W3TC_MARKER_BEGIN_MINIFY_CACHE,
			W3TC_MARKER_END_MINIFY_CACHE );

	}

	/**
	 * Generates directives for file cache dir
	 *
	 * @param Config  $config
	 * @return string
	 */
	private function rules_cache_generate( $config ) {
		switch ( true ) {
		case Util_Environment::is_apache():
		case Util_Environment::is_litespeed():
			return $this->rules_cache_generate_apache( $config );

		case Util_Environment::is_nginx():
			return $this->rules_cache_generate_nginx( $config );
		}

		return '';
	}


	/**
	 * Generates directives for file cache dir
	 *
	 * @param Config  $config
	 * @return string
	 */
	private function rules_cache_generate_apache( $config ) {
		$browsercache = $config->get_boolean( 'browsercache.enabled' );
		$brotli = ( $browsercache && $config->get_boolean( 'browsercache.cssjs.brotli' ) );
		$compression = ( $browsercache && $config->get_boolean( 'browsercache.cssjs.compression' ) );
		$expires = ( $browsercache && $config->get_boolean( 'browsercache.cssjs.expires' ) );
		$lifetime = ( $browsercache ? $config->get_integer( 'browsercache.cssjs.lifetime' ) : 0 );
		$cache_control = ( $browsercache && $config->get_boolean( 'browsercache.cssjs.cache.control' ) );
		$etag = ( $browsercache && $config->get_integer( 'browsercache.html.etag' ) );
		$w3tc = ( $browsercache && $config->get_integer( 'browsercache.cssjs.w3tc' ) );
		$compatibility = $config->get_boolean( 'pgcache.compatibility' );

		$rules = '';
		$rules .= W3TC_MARKER_BEGIN_MINIFY_CACHE . "\n";
		// workaround for .gzip
		if ( $compatibility ) {
			$rules .= "Options -MultiViews\n";
		}

		if ( $etag ) {
			$rules .= "FileETag MTime Size\n";
		}

		if ( $brotli ) {
			$rules .= "<IfModule mod_mime.c>\n";
			$rules .= "    AddType text/css .css_br\n";
			$rules .= "    AddEncoding br .css_br\n";
			$rules .= "    AddType application/x-javascript .js_br\n";
			$rules .= "    AddEncoding br .js_br\n";
			$rules .= "</IfModule>\n";
			$rules .= "<IfModule mod_deflate.c>\n";
			$rules .= "    <IfModule mod_setenvif.c>\n";
			$rules .= "        SetEnvIfNoCase Request_URI \\.css_br$ no-brotli\n";
			$rules .= "        SetEnvIfNoCase Request_URI \\.js_br$ no-brotli\n";
			$rules .= "    </IfModule>\n";
			$rules .= "</IfModule>\n";
		}

		if ( $compression ) {
			$rules .= "<IfModule mod_mime.c>\n";
			$rules .= "    AddType text/css .css_gzip\n";
			$rules .= "    AddEncoding gzip .css_gzip\n";
			$rules .= "    AddType application/x-javascript .js_gzip\n";
			$rules .= "    AddEncoding gzip .js_gzip\n";
			$rules .= "</IfModule>\n";
			$rules .= "<IfModule mod_deflate.c>\n";
			$rules .= "    <IfModule mod_setenvif.c>\n";
			$rules .= "        SetEnvIfNoCase Request_URI \\.css_gzip$ no-gzip\n";
			$rules .= "        SetEnvIfNoCase Request_URI \\.js_gzip$ no-gzip\n";
			$rules .= "    </IfModule>\n";
			$rules .= "</IfModule>\n";
		}

		if ( $expires ) {
			$rules .= "<IfModule mod_expires.c>\n";
			$rules .= "    ExpiresActive On\n";
			$rules .= "    ExpiresByType text/css A" . $lifetime . "\n";
			$rules .= "    ExpiresByType application/x-javascript A" . $lifetime . "\n";
			$rules .= "</IfModule>\n";
		}

		if ( $w3tc || $brotli || $compression || $cache_control ) {
			$rules .= "<IfModule mod_headers.c>\n";

			if ( $w3tc ) {
				$rules .= "    Header set X-Powered-By \"" .
					Util_Environment::w3tc_header() . "\"\n";
			}

			if ( $brotli || $compression ) {
				$rules .= "    Header set Vary \"Accept-Encoding\"\n";
			}

			if ( $cache_control ) {
				$cache_policy = $config->get_string( 'browsercache.cssjs.cache.policy' );

				switch ( $cache_policy ) {
				case 'cache':
					$rules .= "    Header set Pragma \"public\"\n";
					$rules .= "    Header set Cache-Control \"public\"\n";
					break;

				case 'cache_public_maxage':
					$rules .= "    Header set Pragma \"public\"\n";

					if ( $expires ) {
						$rules .= "    Header append Cache-Control \"public\"\n";
					} else {
						$rules .= "    Header set Cache-Control \"max-age=" . $lifetime . ", public\"\n";
					}
					break;

				case 'cache_validation':
					$rules .= "    Header set Pragma \"public\"\n";
					$rules .= "    Header set Cache-Control \"public, must-revalidate, proxy-revalidate\"\n";
					break;

				case 'cache_noproxy':
					$rules .= "    Header set Pragma \"public\"\n";
					$rules .= "    Header set Cache-Control \"private, must-revalidate\"\n";
					break;

				case 'cache_maxage':
					$rules .= "    Header set Pragma \"public\"\n";

					if ( $expires ) {
						$rules .= "    Header append Cache-Control \"public, must-revalidate, proxy-revalidate\"\n";
					} else {
						$rules .= "    Header set Cache-Control \"max-age=" . $lifetime . ", public, must-revalidate, proxy-revalidate\"\n";
					}
					break;

				case 'no_cache':
					$rules .= "    Header set Pragma \"no-cache\"\n";
					$rules .= "    Header set Cache-Control \"max-age=0, private, no-store, no-cache, must-revalidate\"\n";
					break;
				}
			}

			$rules .= "</IfModule>\n";
		}

		$rules .= W3TC_MARKER_END_MINIFY_CACHE . "\n";

		return $rules;
	}

	/**
	 * Generates directives for file cache dir
	 *
	 * @param Config  $config
	 * @return string
	 */
	private function rules_cache_generate_nginx( $config ) {
		$cache_uri = Util_Environment::url_to_uri(
			Util_Environment::filename_to_url( W3TC_CACHE_MINIFY_DIR ) ) . '/';

		$browsercache = $config->get_boolean( 'browsercache.enabled' );
		$brotli = ( $browsercache && $config->get_boolean( 'browsercache.cssjs.brotli' ) );
		$gzip = ( $browsercache && $config->get_boolean( 'browsercache.cssjs.compression' ) );

		$rules = '';
		$rules .= W3TC_MARKER_BEGIN_MINIFY_CACHE . "\n";

		$common_rules_a = Dispatcher::nginx_rules_for_browsercache_section(
			$config, 'cssjs', true );
		$common_rules_a[] = 'add_header Vary "Accept-Encoding";';

		$common_rules = '    ' . implode( "\n    ", $common_rules_a ) . "\n";

		if ( $brotli ) {
			$rules .= "location ~ " . $cache_uri . ".*js_br$ {\n";
			$rules .= "    brotli off;\n";
			$rules .= "    types {}\n";
			$rules .= "    default_type application/x-javascript;\n";
			$rules .= "    add_header Content-Encoding br;\n";
			$rules .= $common_rules;
			$rules .= "}\n";

			$rules .= "location ~ " . $cache_uri . ".*css_br$ {\n";
			$rules .= "    brotli off;\n";
			$rules .= "    types {}\n";
			$rules .= "    default_type text/css;\n";
			$rules .= "    add_header Content-Encoding br;\n";
			$rules .= $common_rules;
			$rules .= "}\n";
		}

		if ( $gzip ) {
			$rules .= "location ~ " . $cache_uri . ".*js_gzip$ {\n";
			$rules .= "    gzip off;\n";
			$rules .= "    types {}\n";
			$rules .= "    default_type application/x-javascript;\n";
			$rules .= "    add_header Content-Encoding gzip;\n";
			$rules .= $common_rules;
			$rules .= "}\n";

			$rules .= "location ~ " . $cache_uri . ".*css_gzip$ {\n";
			$rules .= "    gzip off;\n";
			$rules .= "    types {}\n";
			$rules .= "    default_type text/css;\n";
			$rules .= "    add_header Content-Encoding gzip;\n";
			$rules .= $common_rules;
			$rules .= "}\n";
		}

		$rules .= W3TC_MARKER_END_MINIFY_CACHE . "\n";

		return $rules;
	}

	public function w3tc_browsercache_rules_section( $section_rules, $config, $section ) {
		if ( Util_Environment::is_litespeed() ) {
			$o = new Minify_Environment_LiteSpeed( $config );
			$section_rules = $o->w3tc_browsercache_rules_section(
				$section_rules, $section );
		}
		return $section_rules;
	}
}

Affy Pharma Pvt Ltd

Pharmaceutical, Nutra, Cosmetics Manufacturer in India

GENERIC MARKETING

ESTRELLA Pharma

TREPODOX

POWDER FOR ORAL SUSPENSION
30ML (HDPE BOTTLE)

Composition

Cefpodoxime 50mg/5ml

Indications & Uses

UTIs, LRTs

TREPODOX – CV

POWDER FOR ORAL SUSPENSION
30ML (GLASS BOTTLE)

Composition

Cefpodoxime 50mg + Potassium Clavulanate 31.25mg/ 5ml

Indications & Uses

Upper & lower respiratory infections, Uncomplicated skin infections, Urinary Tract Infections

ESTY CLAV

POWDER FOR ORAL SUSPENSION
30ML (GLASS +HDPE BOTTLE)

Composition

Amoxycillin 200mg + Potassium clavulanate 28.50 mg/ 5ml

Indications & Uses

Community Acquired Pneumonia, Acute Exacerbations of Chronic Bronchitis, Upper Respiratory Tract Infections, Urinary Tract Infections

ESTRIXIME – CV

POWDER FOR ORAL SUSPENSION
30ML (GLASS BOTTLE)

Composition

Cefixime 50mg + Potassium clavulanate 31.25mg/5ml

Indications & Uses

Urinary Tract Inefctions, AECB, Otitis Media, Typhoid/p>

ESTRIXIME

POWDER FOR ORAL SUSPENSION
30ML (HDPE BOTTLE)

Composition

Cefixime 50mg/5ml

Indications & Uses

Urinary Tract Inefctions, Gastroenteritis

REOMELL

ORAL SUSPENSION
15 ml

Composition

Azithromycin 200mg/5ml

Indications & Uses

Community Acquired Pneumonia, Acute Exacerbations of Chronic Bronchitis,

TAMEST – DS

ORAL SUSPENSION
60 ml

Composition

Paracetamol 250mg/5ml

Indications & Uses

Fever, Pain

STREFEN

ORAL SUSPENSION
60 ml

Composition

Paracetamol 125mg + Mefenamic Acid 50mg/5ml

Indications & Uses

Pain, Fever

STREFOX

ORAL SUSPENSION
30 ml

Composition

Ofloxacin 50mg/5ml

Indications & Uses

Acute exacerbations of chronic Bronchitis, Diarrhoea

TAMACET-P

SYRUP
60 ml

Composition

Paracetamol 125mg + PPH 5mg + Cetirizine HCI 2mg/5ml

Indications & Uses

Fever, common cold & Flu

HEPTRELL

ORAL SUSPENSION
200ml

Composition

Cyproheptadine HCI 2mg + Tricholine citrate 0.275mg/5ml

Indications & Uses

Stimulate Apetite, Induces Weight Gain, Cure Allergies

TREP-DSR

CAPSULES ( HARD GELATIN)
10X10 (Alu-Alu)

Composition

Pantoprazole 40mg (EC) + Domperidone 30mg (SR)

Indications & Uses

GERD, Dyspepsia, Acid Peptic Disorders, Gastritis

RALE-DSR

CAPSULES ( HARD GELATIN)
11X10 (Alu-Alu)

Composition

Rabeprazole 20mg (EC) + Domperidone SR

Indications & Uses

GERD, Dyspepsia, Acid Peptic Disorders, Gastritis

STRETOP-40

INJECTION
40ml

Composition

Pantoprazole Sodium 40mg + NaCL

Indications & Uses

Acid-peptic disorders in hospitalized patients, Zollinger – Ellison Syndrome, Treatment of GERD Associated with Erasive Esophagitis, GL Bleed

DIMACID

SUSPENSION
170ml

Composition

Activated Dimethicone 25mg + Magnesium Hydroxide 200mg+ Aluminium Hydroxide Gel 200mg/10ml

Indications & Uses

Heartburn, Acid Indigestion

ELLAZYME

SYRUP
200ml

Composition

Alpha Amylase (1:2000) 50mg, Pepsin(1:3000) 10mg/5ml

Indications & Uses

Dyspepsia, Flatulence, Anorexia, Pancreatic Insufficiency

ARBOLL-Z

CAPSULES (HARD GELATIN)
10X3X10

Composition

Vitamin C 75mg + Vitamin B12 5mcg + Carbonyl Iron 100mg + Folic Acid 1.5mg + Zinc Sulphate 61.8mg

Indications & Uses

Hyphocromic Anemia in Pregnancy, Chronic and / or Acute Blood Loss, Post-gynaesurgery, Iron Deficiency Anemia

EST-D3 60K

CAPSULES (SOFT GELATIN)
10X1X4

Composition

Cholecalciferol 60000 UI

Indications & Uses

Osteoporosis, Osteoarthritis, Musculoskeletal Pain, Type- 2 Diabetes, Menstrual Irregularities, Pre-eclampsia, IUGR

STREBONA

ORAL SUSPENSION
200ml

Composition

Calcium Carbonate 625mg, Vitamin D3 125 IU/5ml

Indications & Uses

Osteomalacia, Osteoporosis, Fractures, Premenstrual Syndrome

STREFE-III

SYRUP (IRON TONIC)
300 ml

Composition

Iron (III) Hydroxide Polymaltose 50mg, Folic Acid 0.5mg/15ml

Indications & Uses

Pregnancy and lactation, Iron Deficiency Anaemia, Anaemia due to Excessive Haemorrhage, Anaemia Associated with Infections and Malignant Disease

STRECIUM

CAPSULES (SOFT GELATIN)
5X2X15

Composition

Calcitriol 0.25mcg + Calcium Carbonate 500mg + Zinc Sulphate 7.5mg

Indications & Uses

Osteoporosis, Hypoparathyroidism, Pregnancy & Lactation, Premenstrual Syndrome

ESTRE-SPAS

TABLETS
20X10

Composition

Mefenamic Acid 250mg + Dicyclomine HCI 10mg

Indications & Uses

Dysmenorrhea, Irritable Bowel Syndrome, Colic and Bladder Spasm, Abdominal Pain

TAMEST-A

TABLETS (BLISTERS)
20X10

Composition

Nimeulide 100mg + Paracetamo; 325mg

Indications & Uses

Arthritis Pain, Soft Tissue Trauma Including Sprains, Musculoskeletal Pain, Pain Following Dental Extraction

PARTRA FORTE

TABLETS

20X10

Composition

Tramadol 37.5mg + Paracetamol 325mg

Indications & Uses

Chronic Back Pain, Osteoarthritis, Postoperative Pain

UMRELY GEL

GEL
30g

Composition

Diclofenac Diethylamine 1.16% w/w + Oleum Linseed Oil 3 % w/w + Menthol 5% w/w +Methyl Salicylate 10% w/w

Indications & Uses

Sprains & Strains, Lower Back Pain, Joint Pain, Knee Pain

MOISTACT

CREAM
20g

Composition

Urea 10% +Lactic Acid 10% + Propylene Glycol 10% + Liquid Paraffin 10%

Indications & Uses

Foot Cracks, Keratolytic

BELODIP

OINTMENT
15g

Composition

Clotrimazole 1% w/w + Beclomethasone Dipropionate 0.025% w/w + Neomycin 0.5% w/w

Indications & Uses

Eczema, Psoriasis, Corticosteroid Responsive Dermatoses

MIN-DAND

LOTION
100 ml

Composition

Ketoconazole 2% w/v

Indications & Uses

Pityriasis, Dandruff

MIN-DAND-Z

LOTION
100 ml

Composition

Ketoconazole Shampoo 2% w/v + ZPTO 1% w/v

Indications & Uses

Pityriasis, Dandruff

MIN-DAND

SOAP
75g

Composition

Ketoconazole 1% w/w

Indications & Uses

Tinea Versicolor, Prophylaxis of Pityriasis Versicolor

FLUTRELLA

TABLETS
20X1X1

Composition

Fluconazole 200mg

Indications & Uses

Vaginal Candidiasis, Brochopulmonary Infections, Candiduria, Tinea Pedis, Corposis, Cruris, Versicolor

ESTRAVIT

SYRUP
200ml

Composition

L-Iysine HCI 25mg + Vitamin B1 2.5mg + Vitamin B2 2.5mg + Vitamin B6 0.75mg + D-panthenol 3mg +Niacinamide 25mg + Mecobalamin 2mcg/10ml

Indications & Uses

Sub-optimal Growth, Poor Weight Gain, Malnutrition, Prolonged Illness

LYCOSTER PLUS

SYRUP
225ml

Composition

Each 10ml Contains: Lycopene 6% 1000mcg + Vitamin A Palmitate 2500 IU + Vitamin E 10 IU + Ascorbic Acid 50mg + Selenium (as Sodium Selenate) 35mcg + Zinc (As Zinc Gluconate) 3mg + Manganese (as Manganese Gluconate) 2mg + Iodine ( As Potassium Iodine) 100mcg + Copper (As Copper Sulphate0 500mcg + Thiamine HCI 2mg + Riboflavine 3mg + Pyridoxine HCI 1.5mg

Indications & Uses

Tiredness, Stress, Feeling of Weakness, Vitality Deficiency

OSERON

CAPSULES (SOFT GELATIN)
10X1X10

Composition

Antioxidant, Multivitamin & Multiminerals

Indications & Uses

Tiredness, Stress, Feeling of Weakness, Vitality Deficiency

GERMELLA

CAPSULES (SOFT GELATIN)
10X1X10

Composition

Vitamin E (Natural) 400 IU + Wheat Germ Oil 100mg + Omega 3 Fatty Acids 30mg

Indications & Uses

Ulcerative colitis, Metabolic Syndrome, Rheumatoid Arthritis, Type-2 Diabetes, Cardiovascular Diseases

LYCOSTER GOLD

CAPSULES (SOFT GELATIN)
10X1X10

Composition

Each SG Contains Lycopene 6% 2000 IU + Vitamin A 2500 IU + Vitamin E Acetate 10 IU + Vitamin C 50 mg + Zinc sulphate Monohydrate 27.45mg + Selenium Dioxide 70mcg

Indications & Uses

Idiopathic Male Infertility, Pre-eclampsia, Prostate Cancer, Cardiovascular Diseases, Diabetes Mellitus

OSERON -G

CAPSULES (SOFT GELATIN)
10X1X11

Composition

Ginseng + Multivitamin + Multimineral

Indications & Uses

Tiredness, Stress, Feeling of Weakness, Vitality Deficiency

OSERON -G

CAPSULES (SOFT GELATIN)
10X1X11

Composition

Ginseng + Multivitamin + Multimineral

Indications & Uses

Tiredness, Stress, Feeling of Weakness, Vitality Deficiency

ESTRIXIME-200 LB

TABLETS (Alu-Alu)
20X10

Composition

Cefixime 200mg + Lactic Acid Bacilus 2.5 billion spores

Indications & Uses

Otitis Media, Pharyngitis & Tonsillitis, Uncomplicated Urinary Tract Infections, Acute Exacerbations of Chronic Bronchitis, Enteric Fever

ESTRIXIME-CV-325

TABLETS (Alu-Alu)
10X1X6

Composition

Cefixime 200mg + Potassium Clavulanate 125mg

Indications & Uses

Respiratory Tract Infections, Urinary Tract Infections, Skin & Skin Structure Infections

ESTY CLAV-625 LB

TABLETS (Alu-Alu)
10X1X6

Composition

Amoxycillin 500mg + Potassium Clavulanate 125mg

Indications & Uses

Respiratory Tract Infections, Community Acquired Pneumonia, Gynaecological Infections, Acute Exacerbations of Chronic Bronchitis, Skin and Soft Tissue Infections

FLOXEST

TABLETS (Blister)
20X10

Composition

Ofloxacin 200mg + Ornidazole 500mg

Indications & Uses

Surgical ions, Diarrheas of Mixed Etiology, Gynaecological Infections, Orofacial and Dental Infections

VOFLOX-500

TABLETS
10X10

Composition

Levofloxacin 500mg

Indications & Uses

Acute Bacterial Sinusitis, Acute Bacterial Exacerbations of Chronic Bronchitis, Skin & Skin Structure Infections, Chronic Bacterial Prostatitis, Urinary Tract Infections

FLOXEST – O

TABLETS (Alu-Alu)
20X10

Composition

Cefixime 200mg + Ofloxacin 200mg

Indications & Uses

Community Acquired Pneumonia, Multiple Drug Resistant-TB, Typhoid

FLOXEST

TABLETS (Alu-Alu)
20X10

Composition

Ofloxacin 200mg

Indications & Uses

Community Acquired Pneumonia, Multiple Drug Resistant-TB, Typhoid

ESTY CLAV- 1.2

INJECTIONS
1.2g

Composition

Amoxycillin 1000mg + Potassium Clavulanate 200mg + WFI

Indications & Uses

Community Acquired Pneumonia, Gynaecological Infections, Upper Respiratory Tract Infections, Skin and Soft Tissue Infections, Urinary Tract Infections, Acute Exacerbations of Chronic Bronchitis

TRELLON-SB 1.5

INJECTIONS
1.5g

Composition

Ceftriaxone 1000mg + Sulbactam 500mg + WFI

Indications & Uses

Gynaecological Infections, Lower Respiratory Tract Infections, Intra-abdominal Infections with Aerobic Organisms, Surgical Prophylaxis

TRELLON-TZ 1.125

INJECTIONS
1.125gm

Composition

Ceftriaxone 1000mg + Tazobactam 500 mg + WFI

Indications & Uses

Bone & Joint Infections, Intra-abdominal Infections, Bacterial Meningitis, Pre-operative Surgical Prophylaxis

RELLAM

INJECTIONS
1gm

Composition

Meropenem 1gm + WFI

Indications & Uses

Complicated Intra-abdominal Infection (cIAI), Complicated Skin & Skin Structure Infections (cSSSI), Bacterial Meningitis, Noscocomial Pneumonia

TRELIN-Z 4.5

INJECTIONS
4.5gm

Composition

Piperacillin 4000mg + Tazobactam 500mg + WFI

Indications & Uses

Intra-abdominal Infections, Complicated Urinary Tract Infections, Febrile Neutropenia, Lower Respiratory Tract Infections

TRELIN-Z 4.5

INJECTIONS
4.5gm

Composition

Piperacillin 4000mg + Tazobactam 500mg + WFI

Indications & Uses

Intra-abdominal Infections, Complicated Urinary Tract Infections, Febrile Neutropenia, Lower Respiratory Tract Infections

BUTRELLA

SYRUP

100ml

Composition

Ambroxol HCI 15mg + Guaiphensin 50mg + Terbutaline Sulphate 1.5mg + Mentholated Base/5ml

Indications & Uses

Bronchitis, Productive Cough, Emphysema, Bronchial Asthma

BUTRELLA-BR

SYRUP

100ml

Composition

Terbutaline Sulphate 1.25mg + Bromhexine HCI 4mg + Guaiphenesin 50mg + Methalated Base/5ml

Indications & Uses

Acute Cough, Abnormal Mucus Secretion, Productive Cough

DEXTRIN

SYRUP
100ml

Composition

Dextromethorphan Hydrobromide 10mg + Phenylpherine 5 mg + Cetrizine 5mg + Mentholated Base/5ml

Indications & Uses

Commom Cold and Flu, Nasal Congestion, Sore Throat

VOTRELL-M

TABLETS (Alu-Alu)
20X10

Composition

Levocetirizine 5mg + Montelukast 10mg

Indications & Uses

Allergic Rhinitis, Nasal Congestion, Asthma

VOTRELL

TABLETS (Alu-Alu)
20X11

Composition

Levocetirizine 5mg

Indications & Uses

Chronic Idiopathic Urticaria (CIU), Seasonal Allergic Rhinitis (SAR), Perennial Allergic Rhinitis (PAR)

Arrange A Callback

×

[]

1 Step 1

Full Name

Telephone

Your Email

Departmentyour full name

Postal Address

Choose CountryAfghanistanAlbaniaAlgeriaAmerican SamoaAndorraAngolaAnguillaAntarcticaAntigua And BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBoliviaBosnia And HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBrunei DarussalamBulgariaBurkina FasoBurundiCambodiaCameroonCanadaCape VerdeCayman IslandsCentral African RepublicChadChileChinaChristmas IslandCocos (keeling) IslandsColombiaComorosCongoCongo, The Democratic Republic Of TheCook IslandsCosta RicaCote D'ivoireCroatiaCubaCyprusCzech RepublicDenmarkDjiboutiDominicaDominican RepublicEast TimorEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEthiopiaFalkland Islands (malvinas)Faroe IslandsFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern TerritoriesGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGreenlandGrenadaGuadeloupeGuamGuatemalaGuineaGuinea-bissauGuyanaHaitiHeard Island And Mcdonald IslandsHoly See (vatican City State)HondurasHong KongHungaryIcelandIndiaIndonesiaIran, Islamic Republic OfIraqIrelandIsraelItalyJamaicaJapanJordanKazakstanKenyaKiribatiKorea, Democratic People's Republic OfKorea, Republic OfKosovoKuwaitKyrgyzstanLao People's Democratic RepublicLatviaLebanonLesothoLiberiaLibyan Arab JamahiriyaLiechtensteinLithuaniaLuxembourgMacauMacedonia, The Former Yugoslav Republic OfMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMartiniqueMauritaniaMauritiusMayotteMexicoMicronesia, Federated States OfMoldova, Republic OfMonacoMongoliaMontserratMontenegroMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherlandsNetherlands AntillesNew CaledoniaNew ZealandNicaraguaNigerNigeriaNiueNorfolk IslandNorthern Mariana IslandsNorwayOmanPakistanPalauPalestinian Territory, OccupiedPanamaPapua New GuineaParaguayPeruPhilippinesPitcairnPolandPortugalPuerto RicoQatarReunionRomaniaRussian FederationRwandaSaint HelenaSaint Kitts And NevisSaint LuciaSaint Pierre And MiquelonSaint Vincent And The GrenadinesSamoaSan MarinoSao Tome And PrincipeSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth Georgia And The South Sandwich IslandsSpainSri LankaSudanSurinameSvalbard And Jan MayenSwazilandSwedenSwitzerlandSyrian Arab RepublicTaiwan, Province Of ChinaTajikistanTanzania, United Republic OfThailandTogoTokelauTongaTrinidad And TobagoTunisiaTurkeyTurkmenistanTurks And Caicos IslandsTuvaluUgandaUkraineUnited Arab EmiratesUnited KingdomUnited StatesUnited States Minor Outlying IslandsUruguayUzbekistanVanuatuVenezuelaViet NamVirgin Islands, BritishVirgin Islands, U.s.Wallis And FutunaWestern SaharaYemenZambiaZimbabwe

Message

0 /

Submit Form

Previous

Next