3 files changed, 111 insertions, 39 deletions

diff --git a/install/index.php b/install/index.php
index d514eb2a..ea5d7d47 100755
--- a/install/index.php
+++ b/install/index.php
@@ -16,13 +16,34 @@ $email = "";
 
 require_once('install_functions.php');
 
+// Start by destroying session to avoid wrong logins from previous installations
+// cookie part
+$cookiedir = '';
+if (dirname($_SERVER['SCRIPT_NAME'])!='/') {
+    $cookiedir = dirname($_SERVER["SCRIPT_NAME"]).'/';
+}
+
+if (isset($_SERVER['HTTP_COOKIE'])) {
+    $cookies = explode(';', $_SERVER['HTTP_COOKIE']);
+    foreach($cookies as $cookie) {
+        $parts = explode('=', $cookie);
+        $name = trim($parts[0]);
+        setcookie($name, '', time()-1000);
+        setcookie($name, '', time()-1000, $cookiedir);
+    }
+}
+// session part
+if (isset($_SESSION['poche_user'])) {
+        unset($_SESSION['poche_user']);
+}
+
 if (isset($_GET['clean'])) {
     if (is_dir('install')){
-        delTree('install');
+        delTree('install', true);
         header('Location: index.php');      
     }
     if (is_dir('cache')) {
-        delTree('cache', false);
+        delTree('cache', false, false);
         header('Location: index.php');      
     }
 }
@@ -73,29 +94,47 @@ else if (isset($_POST['install'])) {
                 $errors[] = 'Impossible to create the SQLite database file. Please check your file permissions.';
             }
             else {
-                $db_path = 'sqlite:' . realpath('') . '/db/poche.sqlite';
-                $handle = new PDO($db_path);
-                $handle->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
-                $sql_structure = "";
+                try {
+                    $db_path = 'sqlite:' . realpath('') . '/db/poche.sqlite';
+                    $handle = new PDO($db_path);
+                    $handle->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+                    $sql_structure = "";
+                } catch (PDOException $e) {
+                    $errors[] = "SQLite has encountered an issue : " . $e->getMessage();
+                }
             }
         } else {
             // MySQL and Postgre
+            /*
+            * Default values for server if not filled
+            */
+            $server = "localhost";
+            $database = "wallabag";
+
             try {
 
             if ($_POST['db_engine'] == 'mysql') {
+                if ($_POST['mysql_server'] != "") {$server = $_POST['mysql_server'];} // if server and database are filled
+                if ($_POST['mysql_database'] != "") {$database = $_POST['mysql_database'];}
+
+                $sql_structure = file_get_contents('install/mysql.sql');
+
                 if (isset($_POST['mysql_utf8_mb4'])) {
                     //with UTF8-MB4
-                    $db_path = 'mysql:host=' . $_POST['mysql_server'] . ';dbname=' . $_POST['mysql_database'] . ';charset=utf8mb4';
+                    $db_path = 'mysql:host=' . $server . ';dbname=' . $database . ';charset=utf8mb4';
                     $handle = new PDO($db_path, $_POST['mysql_user'], $_POST['mysql_password'], array(
                         PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8mb4',
                     ));
                     $content = str_replace("define ('MYSQL_USE_UTF8MB4', FALSE);", "define ('MYSQL_USE_UTF8MB4', TRUE);", $content);
                 } else { // regular UTF8
-                    $db_path = 'mysql:host=' . $_POST['mysql_server'] . ';dbname=' . $_POST['mysql_database'];
+                    $sql_structure = str_replace(" DEFAULT CHARSET=utf8mb4", "", $sql_structure); // replace the UTF8-MB4 occurences inside the mysql.sql file
+                    $db_path = 'mysql:host=' . $server . ';dbname=' . $database;
                     $handle = new PDO($db_path, $_POST['mysql_user'], $_POST['mysql_password']);
                 }
-                $content = str_replace("define ('STORAGE_SERVER', 'localhost');", "define ('STORAGE_SERVER', '".$_POST['mysql_server']."');", $content);
-                $content = str_replace("define ('STORAGE_DB', 'poche');", "define ('STORAGE_DB', '".$_POST['mysql_database']."');", $content);
+                $handle->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+
+                $content = str_replace("define ('STORAGE_SERVER', 'localhost');", "define ('STORAGE_SERVER', '".$server."');", $content);
+                $content = str_replace("define ('STORAGE_DB', 'poche');", "define ('STORAGE_DB', '".$database."');", $content);
                 $content = str_replace("define ('STORAGE_USER', 'poche');", "define ('STORAGE_USER', '".$_POST['mysql_user']."');", $content);
                 $content = str_replace("define ('STORAGE_PASSWORD', 'poche');", "define ('STORAGE_PASSWORD', '".$_POST['mysql_password']."');", $content);
 
@@ -106,15 +145,19 @@ else if (isset($_POST['install'])) {
                 $moreQueries[] = "INSERT INTO `tags` (`id`, `value`) VALUES (1, 'opensource');";
                 $moreQueries[] = "INSERT INTO `tags_entries` (`id`, `entry_id`, `tag_id`) VALUES (1, 2, 1);";
 
-                $sql_structure = file_get_contents('install/mysql.sql');
             }
             else if ($_POST['db_engine'] == 'postgres') {
-                $db_path = 'pgsql:host=' . $_POST['pg_server'] . ';dbname=' . $_POST['pg_database'];
-                $content = str_replace("define ('STORAGE_SERVER', 'localhost');", "define ('STORAGE_SERVER', '".$_POST['pg_server']."');", $content);
-                $content = str_replace("define ('STORAGE_DB', 'poche');", "define ('STORAGE_DB', '".$_POST['pg_database']."');", $content);
+                if ($_POST['pg_server'] != "") {$server = $_POST['pg_server'];}
+                if ($_POST['pg_database'] != "") {$database = $_POST['pg_database'];}
+
+                $db_path = 'pgsql:host=' . $server . ';dbname=' . $database;
+                $handle = new PDO($db_path, $_POST['pg_user'], $_POST['pg_password']);
+                $handle->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+
+                $content = str_replace("define ('STORAGE_SERVER', 'localhost');", "define ('STORAGE_SERVER', '".$server."');", $content);
+                $content = str_replace("define ('STORAGE_DB', 'poche');", "define ('STORAGE_DB', '".$database."');", $content);
                 $content = str_replace("define ('STORAGE_USER', 'poche');", "define ('STORAGE_USER', '".$_POST['pg_user']."');", $content);
                 $content = str_replace("define ('STORAGE_PASSWORD', 'poche');", "define ('STORAGE_PASSWORD', '".$_POST['pg_password']."');", $content);
-                $handle = new PDO($db_path, $_POST['pg_user'], $_POST['pg_password']);
                 
                 $moreQueries[] = "INSERT INTO entries (title, url, is_read, is_fav, content, user_id) VALUES
 ('Framabag, un nouveau service libre et gratuit', 'http://www.framablog.org/index.php/post/2014/02/05/Framabag-service-libre-gratuit-interview-developpeur', false, false, 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'hex'), 'UTF8'), 1),
@@ -126,21 +169,48 @@ else if (isset($_POST['install'])) {
                 $sql_structure = file_get_contents('install/postgres.sql');
             }
             // create database structure
-            $query = $handle->exec($sql_structure);
+            if (!$handle) {
+                $continue = false;
+                $errors[] = "Couldn't connect to your database server. Please check credentials.";
+            } else {
+                    $query = $handle->exec($sql_structure);
+
+                    $usertest = executeQuery($handle,"SELECT * from users WHERE username = ?", array($username));
+                    if (!empty($usertest)) {
+                        $continue = false;
+                        $errors[] = "An user already exists with this username in database.";
+                    }
+        }
+
         } catch (PDOException $e) {
-            $errors[] = $e->getMessage();
+                /* Error codes :
+                /       7 : PostgreSQL issues
+                /       1045 : Access denied to the user : user doesn't exists                     
+                /       1044 : Access denied to the user : user doesn't have the rights to connect to this database
+                /       2005 : Unknown database server
+                        */
+                switch ($e->getCode()) {
+                        case 7:
+                                $errors[] = "PostgreSQL has encountered an issue : " . $e->getMessage();
+                                break;
+                        case 1045:
+                                $errors[] = "The password for this user is incorrect, or this user doesn't exist.";
+                                break;
+                        case 1044:
+                                $errors[] = "The user isn't allowed to use this database.";
+                                break;
+                        case 2005:
+                                $errors[] = "The server can't be reached.";
+                                break;
+                        default:
+                                $errors[] = "A error happened while connecting to your database : " . $e->getMessage();
+                                break;
+                }
             $continue = false;
         }
         }
     }
 
-    $usertest = executeQuery($handle,"SELECT * from users WHERE username = ?", array($username));
-    if (!empty($usertest)) {
-        $continue = false;
-        $errors[] = "An user already exists with this username in database.";
-    }
-
-
     if ($continue) {
         $sql = "INSERT INTO users (username, password, name, email) VALUES (?, ?, ?, ?)";
         $params = array($username, $salted_password, $username, $email);
@@ -194,7 +264,7 @@ else if (isset($_POST['install'])) {
         <link rel="stylesheet" href="themes/baggy/css/main.css" media="all">
         <link rel="stylesheet" href="themes/baggy/css/messages.css" media="all">
         <link rel="stylesheet" href="themes/baggy/css/print.css" media="print">
-        <script src="themes/_global/js/jquery-2.0.3.min.js"></script>
+        <script src="themes/_global/js/jquery-2.1.3.min.js"></script>
         <script src="themes/baggy/js/init.js"></script>
 
 
@@ -629,8 +699,8 @@ php composer.phar install</code></pre>
                                  <p>All fields have to be filled.</p>
                               </div>
                               <ul id="mysql_infos">
-                                 <li><label for="mysql_server">Server</label> <input type="text" placeholder="localhost" id="mysql_server" name="mysql_server" /></li>
-                                 <li><label for="mysql_database">Database</label> <input type="text" placeholder="wallabag" id="mysql_database" name="mysql_database" /></li>
+                                 <li><label for="mysql_server">Server</label> <input type="text" placeholder="eg : localhost" id="mysql_server" name="mysql_server" /></li>
+                                 <li><label for="mysql_database">Existing database</label> <input type="text" placeholder="eg : wallabag" id="mysql_database" name="mysql_database" /></li>
                                  <li><label for="mysql_user">User</label> <input type="text" placeholder="user" id="mysql_user" name="mysql_user" /></li>
                                  <li><label for="mysql_password">Password</label> <input type="password" placeholder="p4ssw0rd" id="mysql_password" name="mysql_password" /></li>
                                  <li><label for="mysql_utf8_mb4">Use UTF-8 MB4</label> <input id="mysql_utf8_mb4" type="checkbox" name="mysql_utf8_mb4">
@@ -650,8 +720,8 @@ php composer.phar install</code></pre>
                                     <p>All fields have to be filled.</p>
                                  </div>
                                  <ul id="pg_infos">
-                                    <li><label for="pg_server">Server</label> <input type="text" placeholder="localhost" id="pg_server" name="pg_server" /></li>
-                                    <li><label for="pg_database">Database</label> <input type="text" placeholder="wallabag" id="pg_database" name="pg_database" /></li>
+                                    <li><label for="pg_server">Server</label> <input type="text" placeholder="eg : localhost" id="pg_server" name="pg_server" /></li>
+                                    <li><label for="pg_database">Existing database</label> <input type="text" placeholder="eg : wallabag" id="pg_database" name="pg_database" /></li>
                                     <li><label for="pg_user">User</label> <input type="text" placeholder="user" id="pg_user" name="pg_user" /></li>
                                     <li><label for="pg_password">Password</label> <input type="password" placeholder="p4ssw0rd" id="pg_password" name="pg_password" /></li>
                                  </ul>
diff --git a/install/install_functions.php b/install/install_functions.php
index 3cfe13fb..a3bf3661 100644
--- a/install/install_functions.php
+++ b/install/install_functions.php
@@ -78,10 +78,12 @@ function pdoDrivers() {
  * Here in case of .gitignore files
  */
 
-function delTree($dir, $withdirectory="true") {
-    $files = array_diff(scandir($dir), array('.','..'));
-    foreach ($files as $file) {
-      (is_dir("$dir/$file")) ? delTree("$dir/$file") : unlink("$dir/$file");
+function delTree($dir, $withdirectory=true, $hiddenfiles = true) {
+    if ($hiddenfiles) {
+        $files = array_diff(scandir($dir), array('.','..'));
+        foreach ($files as $file) {
+            (is_dir("$dir/$file")) ? delTree("$dir/$file") : unlink("$dir/$file");
+        }
     }
     if ($withdirectory) {
         return rmdir($dir);
@@ -108,4 +110,4 @@ function executeQuery($handle, $sql, $params) {
     }
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/install/mysql.sql b/install/mysql.sql
index 1b65cd35..8319ad08 100644
--- a/install/mysql.sql
+++ b/install/mysql.sql
@@ -14,7 +14,7 @@ CREATE TABLE IF NOT EXISTS `entries` (
   `content` blob NOT NULL,
   `user_id` int(11) NOT NULL,
   PRIMARY KEY (`id`)
-) ENGINE=InnoDB  DEFAULT CHARSET=utf8mb4;
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 
 CREATE TABLE IF NOT EXISTS `users` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
@@ -23,7 +23,7 @@ CREATE TABLE IF NOT EXISTS `users` (
   `name` varchar(255) NOT NULL,
   `email` varchar(255) NOT NULL,
   PRIMARY KEY (`id`)
-) ENGINE=InnoDB  DEFAULT CHARSET=utf8mb4;
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 
 CREATE TABLE IF NOT EXISTS `users_config` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
@@ -31,13 +31,13 @@ CREATE TABLE IF NOT EXISTS `users_config` (
   `name` varchar(255) NOT NULL,
   `value` varchar(255) NOT NULL,
   PRIMARY KEY (`id`)
-) ENGINE=InnoDB  DEFAULT CHARSET=utf8mb4;
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 
 CREATE TABLE IF NOT EXISTS `tags` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
   `value` varchar(255) NOT NULL,
   PRIMARY KEY (`id`)
-) ENGINE=InnoDB  DEFAULT CHARSET=utf8mb4;
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 
 CREATE TABLE IF NOT EXISTS `tags_entries` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
@@ -46,4 +46,4 @@ CREATE TABLE IF NOT EXISTS `tags_entries` (
   FOREIGN KEY(entry_id) REFERENCES entries(id) ON DELETE CASCADE,
   FOREIGN KEY(tag_id) REFERENCES tags(id) ON DELETE CASCADE,
   PRIMARY KEY (`id`)
-) ENGINE=InnoDB  DEFAULT CHARSET=utf8mb4;
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;