added ini-file support for application settings

.hgtags

@@ -0,0 +1 @@
+b66e758d981314bfd9de6dbfe0385785908a884c v1.0.0

app.ini

@@ -0,0 +1,15 @@
+[app]
+; either "paste" or "shortener"
+; reserved for future releases, not used
+type = paste
+; relative path to application, as it seen in browser
+; must end with '/'
+baseurl = /
+; if you decide to put images|css on separate domain, write it here
+; or leave it same as siteaddress
+; for now it is only /bg_logo.png
+cdnaddress = http://127.0.0.1/
+; hostname where app lives, with http(s) prefix
+siteaddress = http://127.0.0.1/
+; path, where db created|stored, if not exist, it will be created
+dbpath = paste/paste.sqlite

index.php

@@ -1,11 +1,13 @@
 <?php
-define ('BASEURL', "/"); # must end with '/'
+$config = parse_ini_file("app.ini");
+define ('SITE_ADDRESS', $config["siteaddress"]);
+define ('BASEURL',      $config["baseurl"]);
+define ('APP_ADDRESS',  substr(SITE_ADDRESS, 0, -1) . BASEURL);
+define ('CDN_ADDRESS',  $config["cdnaddress"]);
+define ('DBPATH',       $config["dbpath"]);
 define ('KEY_MIN',      3);
 define ('KEY_MAX',      9);
-define ('DBPATH', 'paste/paste.sqlite');
+unset ($config);
-define ('SITE_ADDRESS', 'http://127.0.0.1/');
-define ('CDN_ADDRESS', 'http://127.0.0.1/');
-define ('APP_ADDRESS', substr(SITE_ADDRESS, 0, -1) . BASEURL);
 
 function showindex($text) {
 	header('Content-Language: en, ru');
@@ -25,10 +27,10 @@ function showindex($text) {
 			height: 70vh;
 		}
 	</style>
-	<title>Paste.</title>
+	<title>Slack paste.</title>
 </head>
 <body>
-	<h3>Paste</h3>
+	<h3>Slack Paste</h3>
 	<form method="post" action="<?php print APP_ADDRESS; ?>" enctype="multipart/form-data">
 		<textarea name="exs" id="textbox" autofocus></textarea><br />
 		<input type="submit" value="Post it!" style="font-size:115%;" /> for 
@@ -76,7 +78,7 @@ description() {
 cat << HERE
 
 DESCRIPTION
-  Upload data and fetch URL from the pastebin <?php print SITE_ADDRESS; ?>
+  Upload data and fetch URL from the pastebin http://p.dafuq.ru/
 
 USAGE
   $0 filename.txt
@@ -188,14 +190,14 @@ function init_db() {
 	$dbh = null;
 }
 
-function query_db($id) {
+function query_db($q) {
 	if (! file_exists(DBPATH)) {
 		init_db();
 		return false;
 	}
 
 	$dbh = new PDO("sqlite:" . DBPATH);
-	$sth = $dbh->query("SELECT paste FROM paste WHERE id='$id'");
+	$sth = $dbh->query("SELECT paste FROM paste WHERE id='$q'");
 
 	if ($sth === false) {
 		$e = $r->errorInfo();