1 files changed, 125 insertions, 2 deletions
diff --git a/installer/check.php b/installer/check.php
index 49f186471..33264a0e2 100644
--- a/installer/check.php
+++ b/installer/check.php
@@ -1,10 +1,133 @@
+<?php
+
+$docroot = realpath(dirname(__FILE__) . '/../');
+$include_path  = $docroot . '/program/lib' . PATH_SEPARATOR . $docroot . '/program' . PATH_SEPARATOR . ini_get('include_path');
+set_include_path($include_path);
+
+$required_php_exts = array('PCRE' => 'pcre', 'Session' => 'session', 'Sockets' => 'sockets');
+
+$optional_php_exts = array('FileInfo' => 'fileinfo', 'Libiconv' => 'iconv', 'Multibyte' => 'mbstring', 'OpenSSL' => 'openssl');
+
+$required_libs = array('PEAR' => 'PEAR.php', 'DB' => 'DB.php', 'MDB2' => 'MDB2.php',
+    'Net_SMTP' => 'Net/SMTP.php', 'Mail_mime' => 'Mail/mime.php', 'iilConnection' => 'lib/imap.inc');
+
+$supported_dbs = array('MySQL' => 'mysql', 'MySQLi' => 'mysqli',
+    'PostgreSQL' => 'pgsql', 'SQLite (v2)' => 'sqlite');
+
+$source_urls = array(
+    'Sockets' => 'http://www.php.net/manual/en/ref.sockets.php',
+    'Session' => 'http://www.php.net/manual/en/ref.session.php',
+    'PCRE' => 'http://www.php.net/manual/en/ref.pcre.php',
+    'FileInfo' => 'http://www.php.net/manual/en/ref.fileinfo.php',
+    'Libiconv' => 'http://www.php.net/manual/en/ref.iconv.php',
+    'Multibyte' => 'http://www.php.net/manual/en/ref.mbstring.php',
+    'OpenSSL' => 'http://www.php.net/manual/en/ref.openssl.php',
+    'PEAR' => 'http://pear.php.net',
+    'MDB2' => 'http://pear.php.net/package/MDB2',
+    'Net_SMTP' => 'http://pear.php.net/package/Net_SMTP',
+    'Mail_mime' => 'http://pear.php.net/package/Mail_mime'
+);
+
+?>
+
 <form action="index.php" method="get">
 <input type="hidden" name="_step" value="2" />
+
+<h3>Checking PHP version</h3>
+<?php
+
+if (phpversion() > 4.3) {
+    $RCI->pass('Version', 'PHP ' . phpversion() . ' detected');
+}
+else {
+    $RCI->fail('Version', 'PHP Version 4.3.1 or greater is required');
+}
+
+?>
+
+<h3>Checking PHP extensions</h3>
+<p class="hint">The following modules/extensions are <em>required</em> to run RoundCube:</p>
+<?php
+    
+$prefix = (PHP_SHLIB_SUFFIX === 'dll') ? 'php_' : '';
+foreach ($required_php_exts AS $name => $ext) {
+    if (extension_loaded($ext)) {
+        $RCI->pass($name);
+    }
+    else {
+        $_ext = $prefix . $ext . '.' . PHP_SHLIB_SUFFIX;
+        $msg = @dl($_ext) ? 'Could be loaded. Please add in php.ini' : '';
+        $RCI->fail($name, $msg, $source_urls[$name]);
+    }
+    echo '<br />';
+}
+
+?>
+
+<p class="hint">These extensions are <em>optional</em> but recommended to get the best performance:</p>
+<?php
+
+foreach ($optional_php_exts AS $name => $ext) {
+    if (extension_loaded($ext)) {
+        $RCI->pass($name);
+    }
+    else {
+        $_ext = $prefix . $ext . '.' . PHP_SHLIB_SUFFIX;
+        $msg = @dl($_ext) ? 'Could be loaded. Please add in php.ini' : '';
+        $RCI->na($name, $msg, $source_urls[$name]);
+    }
+    echo '<br />';
+}
+
+?>
+
+
+<h3>Checking available databases</h3>
+<p class="hint">Check which of the supported extensions are installed. At least one of them is required.</p>
+
 <?php
 
-echo '<p>[do some tests as in check.php-dist here]</p>';
+$prefix = (PHP_SHLIB_SUFFIX === 'dll') ? 'php_' : '';
+foreach ($supported_dbs AS $database => $ext) {
+    if (extension_loaded($ext)) {
+        $RCI->pass($database);
+    }
+    else {
+        $_ext = $prefix . $ext . '.' . PHP_SHLIB_SUFFIX;
+        $msg = @dl($_ext) ? 'Could be loaded. Please add in php.ini' : 'Not installed';
+        $RCI->na($database, $msg, $source_urls[$database]);
+    }
+    echo '<br />';
+}
 
-echo '<input type="submit" value="NEXT" ' . ($RCI->failures ? 'disabled' : '') . ' />';
+?>
+
+
+<h3>Check for required 3rd party libs</h3>
+<p class="hint">This also checks if the include path is set correctly.</p>
+
+<?php
+
+foreach ($required_libs as $classname => $file) {
+    @include_once $file;
+    if (class_exists($classname)) {
+        $RCI->pass($classname);
+    }
+    else if ($classname == 'DB' || ($classname == 'MDB2' && class_exists('DB'))) {
+        $RCI->na($classname, 'Use ' . ($classname == 'DB' ? 'MDB2' : 'DB') . ' instead');
+    }
+    else {
+        $RCI->fail($classname, "Failed to load $file", $source_urls[$classname]);
+    }
+    echo "<br />";
+}
+
+if ($RCI->failures)
+  echo '<p class="warning">Sorry but your webserver does not meet the requirements for RoundCube!<br />
+            Please install the missing modules according to the above check results.</p>';
+
+echo '<p><br /><input type="submit" value="NEXT" ' . ($RCI->failures ? 'disabled' : '') . ' /></p>';
 
 ?>
+
 </form>