1 files changed, 111 insertions, 0 deletions

diff --git a/install/install_functions.php b/install/install_functions.php
new file mode 100644
index 00000000..3cfe13fb
--- /dev/null
+++ b/install/install_functions.php
@@ -0,0 +1,111 @@
+<?php
+/**
+ * wallabag, self hostable application allowing you to not miss any content anymore
+ *
+ * @category   wallabag
+ * @author     Nicolas Lœuillet <nicolas@loeuillet.org>
+ * @copyright  2013
+ * @license    http://opensource.org/licenses/MIT see COPYING file
+ */
+
+function status() {
+$app_name = 'wallabag';
+
+$php_ok = (function_exists('version_compare') && version_compare(phpversion(), '5.3.3', '>='));
+$pdo_ok = class_exists('PDO');
+$pcre_ok = extension_loaded('pcre');
+$zlib_ok = extension_loaded('zlib');
+$mbstring_ok = extension_loaded('mbstring');
+$dom_ok = extension_loaded('DOM');
+$iconv_ok = extension_loaded('iconv');
+$tidy_ok = function_exists('tidy_parse_string');
+$curl_ok = function_exists('curl_exec');
+$parse_ini_ok = function_exists('parse_ini_file');
+$parallel_ok = ((extension_loaded('http') && class_exists('HttpRequestPool')) || ($curl_ok && function_exists('curl_multi_init')));
+$allow_url_fopen_ok = (bool)ini_get('allow_url_fopen');
+$filter_ok = extension_loaded('filter');
+$gettext_ok = function_exists("gettext");
+$gd_ok = extension_loaded('gd');
+$pdo_drivers = pdoDrivers();
+$pdo_drivers_passing = $pdo_drivers['sqlite'] || $pdo_drivers['mysql'] || $pdo_drivers['postgres'];
+$urlfetching = $curl_ok || $allow_url_fopen_ok;
+
+
+
+if (extension_loaded('xmlreader')) {
+        $xml_ok = true;
+} elseif (extension_loaded('xml')) {
+        $parser_check = xml_parser_create();
+        xml_parse_into_struct($parser_check, '<foo>&amp;</foo>', $values);
+        xml_parser_free($parser_check);
+        $xml_ok = isset($values[0]['value']);
+} else {
+        $xml_ok = false;
+}
+
+$status = array('app_name' => $app_name, 'php' => $php_ok, 'pdo' => $pdo_ok, 
+  'pdo_drivers_passing' => $pdo_drivers_passing, 'xml' => $xml_ok, 'pcre' => $pcre_ok,
+  'zlib' => $zlib_ok, 'mbstring' => $mbstring_ok, 'dom' => $dom_ok, 'iconv' => $iconv_ok, 'tidy' => $tidy_ok, 'curl' => $curl_ok,
+   'parse_ini' => $parse_ini_ok, 'parallel' => $parallel_ok, 'allow_url_fopen' => $allow_url_fopen_ok, 'filter' => $filter_ok,
+    'gettext' => $gettext_ok, 'gd' => $gd_ok, 'urlfetching' => $urlfetching);
+
+return $status;
+}
+function isOkay() {
+        return !in_array(false, status());
+}
+
+function isPassing() {
+        $status = status();
+        unset($status['curl'], $status['parallel'], $status['tidy'], $status['gd'], $status['filter'], $status['allow_url_fopen']);
+        return !in_array(false, $status);
+}
+
+function pdoDrivers() {
+    $pdo_driver_sqlite = extension_loaded('pdo_sqlite');
+    $pdo_driver_mysql = extension_loaded('pdo_mysql');
+    $pdo_driver_postgres = extension_loaded('pdo_pgsql');
+
+    $pdo_drivers = array('sqlite' => $pdo_driver_sqlite, 'mysql' => $pdo_driver_mysql,
+        'postgres' => $pdo_driver_postgres);
+
+    return $pdo_drivers;
+}
+
+/* Function taken from at http://php.net/manual/en/function.rmdir.php#110489
+ * Idea : nbari at dalmp dot com
+ * Rights unknown
+ * Here in case of .gitignore files
+ */
+
+function delTree($dir, $withdirectory="true") {
+    $files = array_diff(scandir($dir), array('.','..'));
+    foreach ($files as $file) {
+      (is_dir("$dir/$file")) ? delTree("$dir/$file") : unlink("$dir/$file");
+    }
+    if ($withdirectory) {
+        return rmdir($dir);
+    } else {
+        return true;
+    }
+  }
+
+function generate_salt() {
+        mt_srand(microtime(true)*100000 + memory_get_usage(true));
+    return md5(uniqid(mt_rand(), true));
+}
+
+function executeQuery($handle, $sql, $params) {
+    try
+    {
+        $query = $handle->prepare($sql);
+        $query->execute($params);
+        return $query->fetchAll();
+    }
+    catch (Exception $e)
+    {
+        return FALSE;
+    }
+}
+
+?>
\ No newline at end of file