Start on SQLite database driver

.gitignore

@@ -4,6 +4,7 @@ vendor/simplepie/*
 #temp files
 cache/*
 test.php
+newssync.db*
 
 # Windows image file caches
 Thumbs.db

bootstrap.php

@@ -5,6 +5,8 @@ namespace JKingWeb\NewsSync;
 const BASE = __DIR__.DIRECTORY_SEPARATOR;
 const NS_BASE = __NAMESPACE__."\\";
 
+if(!defined(NS_BASE."INSTALL")) define(NS_BASE."INSTALL", false);
+
 spl_autoload_register(function ($class) {
 	if($class=="SimplePie") return;
 	$file = str_replace("\\", DIRECTORY_SEPARATOR, $class);
@@ -14,4 +16,4 @@ spl_autoload_register(function ($class) {
     }
 });
 
-$conf = new Conf();
+$data = new RuntimeData(new Conf());

locale/en.php

@@ -5,4 +5,18 @@ return [
 	"Exception.JKingWeb/NewsSync/Lang/Exception.fileUnreadable"			=> "Insufficient permissions to read language file \"{0}\"",
 	"Exception.JKingWeb/NewsSync/Lang/Exception.fileCorrupt"			=> "Language file \"{0}\" is corrupt or does not conform to expected format",
 	"Exception.JKingWeb/NewsSync/Lang/Exception.stringMissing" 			=> "Message string \"{msgID}\" missing from all loaded language files ({fileList})",
+
+	"Exception.JKingWeb/NewsSync/Conf/Exception.fileMissing"			=> "Configuration file \"{0}\" does not exist",
+	"Exception.JKingWeb/NewsSync/Conf/Exception.fileUnreadable"			=> "Insufficient permissions to read configuration file \"{0}\"",
+	"Exception.JKingWeb/NewsSync/Conf/Exception.fileUncreatable"		=> "Insufficient permissions to write new configuration file \"{0}\"",
+	"Exception.JKingWeb/NewsSync/Conf/Exception.fileUnwritable"			=> "Insufficient permissions to overwrite configuration file \"{0}\"",
+	"Exception.JKingWeb/NewsSync/Conf/Exception.fileCorrupt"			=> "Configuration file \"{0}\" is corrupt or does not conform to expected format",
+	
+	"Exception.JKingWeb/NewsSync/Db/Exception.extMissing"				=> "Required PHP extension for driver \"{0}\" not installed",
+	"Exception.JKingWeb/NewsSync/Db/Exception.fileMissing"				=> "Database file \"{0}\" does not exist",
+	"Exception.JKingWeb/NewsSync/Db/Exception.fileUnreadable"			=> "Insufficient permissions to open database file \"{0}\" for reading",
+	"Exception.JKingWeb/NewsSync/Db/Exception.fileUnwritable"			=> "Insufficient permissions to open database file \"{0}\" for writing",
+	"Exception.JKingWeb/NewsSync/Db/Exception.fileUnusable"				=> "Insufficient permissions to open database file \"{0}\" for reading or writing",
+	"Exception.JKingWeb/NewsSync/Db/Exception.fileUncreatable"			=> "Insufficient permissions to create new database file \"{0}\"",
+	"Exception.JKingWeb/NewsSync/Db/Exception.fileCorrupt"				=> "Database file \"{0}\" is corrupt or not a valid database",
 ];

vendor/JKingWeb/NewsSync/Auth/DriverInternal.php

@@ -1,7 +1,6 @@
 <?php
 declare(strict_types=1);
 namespace JKingWeb\NewsSync\Auth;
-use JKingWeb\NewsSync;
 
 class Internal implements AuthInterface {
 	protected $conf;

vendor/JKingWeb/NewsSync/Conf.php

@@ -6,16 +6,14 @@ class Conf {
 	public $lang 				= "en";
 	
 	public $dbClass				= NS_BASE."Db\\DriverSQLite3";
-	public $dbSQLite3PDO 		= false;
 	public $dbSQLite3File 		= BASE."newssync.db";
-	public $dbPostgreSQLPDO 	= false;
+	public $dbSQLite3Key 		= "";
 	public $dbPostgreSQLHost 	= "localhost";
 	public $dbPostgreSQLUser 	= "newssync";
 	public $dbPostgreSQLPass 	= "";
 	public $dbPostgreSQLPort 	= 5432;
 	public $dbPostgreSQLDb 		= "newssync";
 	public $dbPostgreSQLSchema 	= "";
-	public $dbMySQLPDO 			= false;
 	public $dbMySQLHost 		= "localhost";
 	public $dbMySQLUser 		= "newssync";
 	public $dbMySQLPass 		= "";
@@ -30,30 +28,26 @@ class Conf {
 
 
 	public function __construct(string $import_file = "") {
-		if($import_file != "") $this->import_file($import_file);
+		if($import_file != "") $this->importFile($import_file);
 	}
 
 	public function importFile(string $file): self {
 		if(!file_exists($file)) throw new Conf\Exception("fileMissing");
 		if(!is_readable($file)) throw new Conf\Exception("fileUnreadable");
-		$json = @file_get_contents($file);
-		if($json===false) throw new Conf\Exception("fileUnreadable");
-		return $this->import($json);
+		$arr = (@include $file);
+		if(!is_array($arr)) throw new Conf\Exception("fileCorrupt");
+		return $this->import($arr);
 	}
 
-	public function import(string $json): self {
-		if($json=="") throw new Conf\Exception("blank");
-		$json = json_decode($json, true);
-		if(!is_array($json)) throw new Conf\Exception("corrupt");
-		foreach($json as $key => $value) {
+	public function import(array $arr): self {
+		foreach($arr as $key => $value) {
 			$this->$$key = $value;
 		}
 		return $this;
-
 	}
 
 	public function export(string $file = ""): string {
-		return json_encode($this, JSON_PRETTY_PRINT);
+		// TODO
 	}
 
 	public function __toString(): string {

vendor/JKingWeb/NewsSync/Database.php

@@ -0,0 +1,15 @@
+<?php
+namespace JKingWeb\NewsSync;
+
+class Database {
+	protected $drv;
+
+	public function __construct(Conf $conf) {
+		$driver = $conf->dbClass;
+		$this->drv = new $driver($conf);
+	}
+
+	static public function listDrivers() {
+		
+	}
+}

vendor/JKingWeb/NewsSync/Db/DriverInterface.php

@@ -0,0 +1,7 @@
+<?php
+namespace JKingWeb\NewsSync\Db;
+
+interface DriverInterface {
+	function __construct(\JKingWeb\NewsSync\Conf $conf);
+	static function driverName(): string;
+}

vendor/JKingWeb/NewsSync/Db/DriverSQLite3.php

@@ -0,0 +1,44 @@
+<?php
+namespace JKingWeb\NewsSync\Db;
+
+class DriverSQLite3 implements DriverInterface {
+	protected $db;
+	protected $pdo = false;
+	
+	public function __construct(\JKingWeb\NewsSync\Conf $conf, bool $install = false) {
+		// check to make sure required extensions are loaded
+		if(class_exists("SQLite3")) {
+			$this->pdo = false;
+		} else if(class_exists("PDO") && in_array("sqlite",\PDO::getAvailableDrivers())) {
+			$this->pdo = true;
+		} else {
+			throw new Exception("extMissing", self::driverName());
+		}
+		// if the file exists (or we're initializing the database), try to open it and set initial options
+		if((!$install && file_exists($conf->dbSQLite3File)) || $install) {
+			try {
+				$this->db = ($this->PDO) ? (new \SQLite3($conf->dbSQLite3File, SQLITE3_OPEN_READWRITE | SQLITE3_OPEN_CREATE, $conf->dbSQLite3Key)) : (new PDO("sqlite:".$conf->dbSQLite3File));
+				//FIXME: add foreign key enforcement, WAL mode
+			} catch(\Throwable $e) {
+				// if opening the database doesn't work, check various pre-conditions to find out what the problem might be
+				foreach([$conf->dbSQLite3File, $conf->dbSQLite3File."-wal", $conf->dbSQLite3File."-shm"] as $file) {
+					if(!file_exists($file)) {
+						if($install && !is_writable(dirname($file))) throw new Exception("fileUncreatable", dirname($file));
+						throw new Exception("fileMissing", $file);
+					}
+					if(!is_readable($file) && !is_writable($file)) throw new Exception("fileUnusable", $file);
+					if(!is_readable($file)) throw new Exception("fileUnreadable", $file);
+					if(!is_writable($file)) throw new Exception("fileUnwritable", $file);
+				}
+				// otherwise the database is probably corrupt
+				throw new Exception("fileCorrupt", $conf->dbSQLite3File);
+			}
+		} else {
+			throw new Exception("fileMissing", $conf->dbSQLite3File);
+		}
+	}
+
+	static public function driverName(): string {
+		return "SQLite3";
+	}
+}

vendor/JKingWeb/NewsSync/Db/Exception.php

@@ -0,0 +1,6 @@
+<?php
+declare(strict_types=1);
+namespace JKingWeb\NewsSync\Db;
+
+class Exception extends \JKingWeb\NewsSync\Exception {
+}

vendor/JKingWeb/NewsSync/RuntimeData.php

@@ -8,9 +8,9 @@ class RuntimeData {
 	protected $auth;
 
 	public function __construct(Conf $conf) {
-		Lang::set();
 		$this->conf = $conf;
-		//$this->db = new Database($this);
+		Lang::set($conf->lang);
+		$this->db = new Database($this->conf);
 		//$this->auth = new Authenticator($this);
 	}
 }