install/install_functions.php

   1 <?php
   2 /**
   3  * wallabag, self hostable application allowing you to not miss any content anymore
   4  *
   5  * @category   wallabag
   6  * @author     Nicolas Lœuillet <nicolas@loeuillet.org>
   7  * @copyright  2013
   8  * @license    http://opensource.org/licenses/MIT see COPYING file
   9  */
  10
  11 function status() {
  12 $app_name = 'wallabag';
  13
  14 $php_ok = (function_exists('version_compare') && version_compare(phpversion(), '5.3.3', '>='));
  15 $pdo_ok = class_exists('PDO');
  16 $pcre_ok = extension_loaded('pcre');
  17 $zlib_ok = extension_loaded('zlib');
  18 $mbstring_ok = extension_loaded('mbstring');
  19 $dom_ok = extension_loaded('DOM');
  20 $iconv_ok = extension_loaded('iconv');
  21 $tidy_ok = function_exists('tidy_parse_string');
  22 $curl_ok = function_exists('curl_exec');
  23 $parse_ini_ok = function_exists('parse_ini_file');
  24 $parallel_ok = ((extension_loaded('http') && class_exists('HttpRequestPool')) || ($curl_ok && function_exists('curl_multi_init')));
  25 $allow_url_fopen_ok = (bool)ini_get('allow_url_fopen');
  26 $filter_ok = extension_loaded('filter');
  27 $gettext_ok = function_exists("gettext");
  28 $gd_ok = extension_loaded('gd');
  29 $pdo_drivers = pdoDrivers();
  30 $pdo_drivers_passing = $pdo_drivers['sqlite'] || $pdo_drivers['mysql'] || $pdo_drivers['postgres'];
  31 $urlfetching = $curl_ok || $allow_url_fopen_ok;
  32
  33
  34
  35 if (extension_loaded('xmlreader')) {
  36         $xml_ok = true;
  37 } elseif (extension_loaded('xml')) {
  38         $parser_check = xml_parser_create();
  39         xml_parse_into_struct($parser_check, '<foo>&amp;</foo>', $values);
  40         xml_parser_free($parser_check);
  41         $xml_ok = isset($values[0]['value']);
  42 } else {
  43         $xml_ok = false;
  44 }
  45
  46 $status = array('app_name' => $app_name, 'php' => $php_ok, 'pdo' => $pdo_ok,
  47   'pdo_drivers_passing' => $pdo_drivers_passing, 'xml' => $xml_ok, 'pcre' => $pcre_ok,
  48   'zlib' => $zlib_ok, 'mbstring' => $mbstring_ok, 'dom' => $dom_ok, 'iconv' => $iconv_ok, 'tidy' => $tidy_ok, 'curl' => $curl_ok,
  49    'parse_ini' => $parse_ini_ok, 'parallel' => $parallel_ok, 'allow_url_fopen' => $allow_url_fopen_ok, 'filter' => $filter_ok,
  50     'gettext' => $gettext_ok, 'gd' => $gd_ok, 'urlfetching' => $urlfetching);
  51
  52 return $status;
  53 }
  54 function isOkay() {
  55         return !in_array(false, status());
  56 }
  57
  58 function isPassing() {
  59         $status = status();
  60         unset($status['curl'], $status['parallel'], $status['tidy'], $status['gd'], $status['filter'], $status['allow_url_fopen']);
  61         return !in_array(false, $status);
  62 }
  63
  64 function pdoDrivers() {
  65     $pdo_driver_sqlite = extension_loaded('pdo_sqlite');
  66     $pdo_driver_mysql = extension_loaded('pdo_mysql');
  67     $pdo_driver_postgres = extension_loaded('pdo_pgsql');
  68
  69     $pdo_drivers = array('sqlite' => $pdo_driver_sqlite, 'mysql' => $pdo_driver_mysql,
  70         'postgres' => $pdo_driver_postgres);
  71
  72     return $pdo_drivers;
  73 }
  74
  75 /* Function taken from at http://php.net/manual/en/function.rmdir.php#110489
  76  * Idea : nbari at dalmp dot com
  77  * Rights unknown
  78  * Here in case of .gitignore files
  79  */
  80
  81 function delTree($dir) {
  82     $files = array_diff(scandir($dir), array('.','..'));
  83     foreach ($files as $file) {
  84       (is_dir("$dir/$file")) ? delTree("$dir/$file") : unlink("$dir/$file");
  85     }
  86     return rmdir($dir);
  87   }
  88
  89 function generate_salt() {
  90         mt_srand(microtime(true)*100000 + memory_get_usage(true));
  91     return md5(uniqid(mt_rand(), true));
  92 }
  93
  94 function executeQuery($handle, $sql, $params) {
  95     try
  96     {
  97         $query = $handle->prepare($sql);
  98         $query->execute($params);
  99         return $query->fetchAll();
 100     }
 101     catch (Exception $e)
 102     {
 103         return FALSE;
 104     }
 105 }
 106
 107 ?>