Added basic installer script and updated README appropriately

1 files changed, 74 insertions, 0 deletions

diff --git a/install.php b/install.php
new file mode 100644
index 0000000..8bb3515
--- /dev/null
+++ b/install.php
@@ -0,0 +1,74 @@
+<?
+
+    // Gentoaster installer
+    // Licensed under GPL v3, see COPYING file
+    
+    // Check we're running as root
+    $processUser = posix_getpwuid(posix_geteuid());
+    if($processUser['name'] != "root") {
+    	die("This installer must be run as root\n");
+    }
+    
+    // Load the configurations (the web config chainloads the daemon config)
+    echo "Loading configuration\n";
+    require_once "web/config.php";
+    
+    // Basic configuration path sanity checks
+    echo "Checking configuration sanity\n";
+    if(!file_exists(GENTOASTER_PATH."/install.php")) {
+    	die("GENTOASTER_PATH is set incorrectly\n");
+    }
+    
+    // Check database configuration is sane 
+    echo "Connecting to database\n";
+    $db = new mysqli(
+        MYSQL_HOSTNAME, 
+        MYSQL_USERNAME,
+        MYSQL_PASSWORD
+    );
+        
+    if (mysqli_connect_errno()) {
+       die("Could not connect to MySQL server: ".mysqli_connect_error()."\n");
+    }
+    
+    // If we reached here, MySQL details are fine
+    echo "Database connection is OK\n";
+    
+    
+    // Make sure we have a dump file to use
+    if (file_exists(GENTOASTER_PATH."/gentoaster.sql")) {
+    	// Prep MySQL details for shell args
+	    $mysqlHostname = escapeshellarg(MYSQL_HOSTNAME);
+	    $mysqlUsername = escapeshellarg(MYSQL_USERNAME);
+	    $mysqlDatabase = mysql_escape_string(MYSQL_DATABASE);
+	    
+	    // Create shell component for password if required
+	    if (strlen(MYSQL_PASSWORD) > 0) {
+	    	$mysqlPassword = " -p ".escapeshellarg(MYSQL_PASSWORD)." ";
+	    } else {
+	    	$mysqlPassword = " ";
+	    }
+	    
+	    // Drop any existing database here
+	    system('echo "DROP DATABASE IF EXISTS '.$mysqlDatabase.';" | mysql -u '.$mysqlUsername.$mysqlPassword);
+	    
+	    // Create a new database
+	    system('echo "CREATE DATABASE '.$mysqlDatabase.';" | mysql -u '.$mysqlUsername.$mysqlPassword);
+	    
+	    // Import the database dump into that database
+	    system('mysql -u '.$mysqlUsername.$mysqlPassword.$mysqlDatabase.' < gentoaster.sql');
+    } else {
+    	die("SQL file not found, check GENTOASTER_PATH\n");
+    }
+    
+    // Add the initscript for the daemon
+    echo "Adding initscript symlink\n";
+    system("rm -f /etc/init.d/gentoaster");
+    system("ln -s ".GENTOASTER_PATH."/gentoaster /etc/init.d/gentoaster");
+    system("chmod +x ".GENTOASTER_PATH."/gentoaster");
+    
+    echo "Starting Gentoaster daemon\n";
+    exec("/etc/init.d/gentoaster start");
+    
+   	echo "If you didn't see any errors, the install was successful\n";
+   	echo "Try visiting the site at ".GENTOASTER_URL." to make sure everything works\n";
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