Incorrect Journal Balance (sales invoice) when many decimals in tax and price.
[fa-stable.git] / includes / packages.inc
index c9387233e8b354618bc20e6961805ed339314994..87febb332e0fd63202de1cc7dc2736dc686775ad 100644 (file)
 ***********************************************************************/
 include_once($path_to_root. "/includes/archive.inc");
 include_once($path_to_root. "/includes/remote_url.inc");
+include_once($path_to_root. "/includes/hooks.inc");
 
 define('PKG_CACHE_PATH', $path_to_root.'/modules/_cache');
 define('PUBKEY_PATH', $path_to_root);
-define('REPO_URL', 'http://'.$repo_auth['login'].':'.$repo_auth['pass'].'@'.$repo_auth['host'].'/'.$repo_auth['branch']);
 //
 // FrontAccounting package class
 //
 class package extends gzip_file {
-       function package($filename, $basedir=null)
+
+       function __construct($filename, $basedir=null)
        {
                global $path_to_root;
 
@@ -30,7 +31,7 @@ class package extends gzip_file {
                        } else
                        mkdir($basedir);
                }
-               $this->archive($filename);
+               parent::__construct($filename);
                $this->set_options(array('basedir'=> $basedir));
                $this->options['type'] = "pkg";
        }
@@ -72,7 +73,8 @@ class package extends gzip_file {
        
                $dpackage->extract_files(); //install package in target directory
 
-               $success &= $this->support('install');
+               $install = hook_invoke($ctrl['Package'], 'install_extension', $dummy);
+               $success &= $install===null || $install;
                $success &= count($dpackage->error) == 0;
                $this->error = array_merge($this->error, $dpackage->error);
                return $success;
@@ -97,7 +99,13 @@ class package extends gzip_file {
 
                $success &= copy_files($flist, "$cachepath/_back", $targetdir, true);
 
-               $success &= $this->support('uninstall');
+               if (strpos($ctrl['InstallPath'], 'modules/') === 0) { // flush module directory
+                       flush_dir($targetdir, true);
+                       rmdir($targetdir);
+               }
+
+               $uninstall = hook_invoke($ctrl['Package'], 'uninstall_extension', $dummy);
+               $success &= $uninstall===null || $uninstall;
 
                return $success;
        }
@@ -109,23 +117,6 @@ class package extends gzip_file {
                return true;
        }
 
-       //
-       //      Call special function defined in package install class
-       //
-       function support($name, $params = null)
-       {
-               $cachepath = $this->options['basedir'];
-               if (file_exists("$cachepath/_init/init.php")) {
-                       include("$cachepath/_init/init.php");
-                       if (method_exists($installer, $name)) {
-                               set_include_path("$cachepath/_init".PATH_SEPARATOR.get_include_path());
-
-                               $ret = $installer->$name($params);
-                               return $ret;
-                       }
-               }
-               return true;
-       }
 }
 //
 // Changes field value read from control file (single, or multiline) into 
@@ -135,8 +126,8 @@ function ufmt_property($key, $value)
 {
        // indexes used in output arrays
        $sub_fields = array(
-               'MenuTabs' => array('url', 'access', 'tab_id', 'title', 'section'),
-               'MenuEntries' => array('url', 'access', 'tab_id', 'title'),
+//             'MenuTabs' => array('url', 'access', 'tab_id', 'title', 'section'),
+//             'MenuEntries' => array('url', 'access', 'tab_id', 'title'),
        );
        if (!isset($sub_fields[$key]))
                return $value==='' ? null : $value;
@@ -196,7 +187,7 @@ function get_control_file($file, $index = false) {
                                if ($index !== true) {
                                        if ($index === false) break;
                                        if (!isset($pkg[$index])) {
-                                               display_error(_("No key field '$index' in file '$file'"));
+                                               display_error(sprintf(_("No key field '%s' in file '%s'"), $index, $file));
                                                return null;
                                        }
                                        $repo[$pkg[$index]] = $pkg;
@@ -280,32 +271,53 @@ function get_pkg_or_list($type = null, $pkgname = null, $filter=array(), $outkey
 
        global $path_to_root, $repo_auth;
 
+       $repo =  (isset($repo_auth['scheme']) ? $repo_auth['scheme'] : 'http://')
+                       .(isset($repo_auth['login'])  ? $repo_auth['login'].':' : '')
+                       .(isset($repo_auth['pass'])   ? $repo_auth['pass'].'@' : '')
+                       .(isset($repo_auth['host'])   ? $repo_auth['host'].'/' : '')
+                       .(isset($repo_auth['path'])   ? $repo_auth['path'].'/' : '')
+                       .$repo_auth['branch'];
+
        // first download local copy of repo release file
        // and check remote signature with local copy of public key
        //
        $loclist = PKG_CACHE_PATH.'/Release.gz';
-       
+       $target_dir = $download==true ? VARLIB_PATH."/" : $download;
+
        if (isset($type) && !is_array($type)) {
                $type = array($type);
        }
        $refresh = true;
        do{
                if (!file_exists($loclist)) {
-                       url_copy(REPO_URL.'/Release.gz', $loclist);
+                       if (!url_copy($repo.'/Release.gz', $loclist))
+                       {
+                               display_error(_("Cannot download repo index file." ));
+                               return null;
+                       }
                        $refresh = false;
                }
-               $sig = url_get_contents(REPO_URL.'/Release.sig');
+               $sig = url_get_contents($repo.'/Release.sig');
                $data = file_get_contents($loclist);
                $cert = file_get_contents(PUBKEY_PATH.'/FA.pem');
-               if (!openssl_verify($data, $sig, $cert)) {
-                       if ($refresh)
-                               @unlink($loclist);
-                       else {
+               if (!function_exists('openssl_verify')) {
+                       display_error(_("OpenSSL have to be available on your server to use extension repository system."));
+                       return null;
+               }       
+               if (openssl_verify($data, $sig, $cert) <= 0) {
+                       if ($refresh) {
+                               if (!@unlink($loclist))
+                               {
+                                       display_error(sprintf(_("Cannot delete outdated '%s' file."), $loclist));
+                                       return null;
+                               }
+                       } else {
                                display_error(_('Release file in repository is invalid, or public key is outdated.'));
                                return null;
                        }
                } else
                        $refresh = false;
+
        } while($refresh);
 
        $Release = get_control_file($loclist, 'Filename');
@@ -319,18 +331,24 @@ function get_pkg_or_list($type = null, $pkgname = null, $filter=array(), $outkey
                if ($Release[$fname]['Version'] != $repo_auth['branch']) {
                        display_warning(_('Repository version does not match application version.')); // ?
                }
-               $remoteindex = REPO_URL.'/'.$fname;
+               $remoteindex = $repo.'/'.$fname;
                $locindex = PKG_CACHE_PATH.'/'.$fname;
                $refresh = true;
                do{
                        if (!file_exists($locindex)) { 
-                               url_copy($remoteindex, $locindex);
+                               if (!url_copy($remoteindex, $locindex)) {
+                                       display_error(sprintf(_("Cannot download '%s' file." ), $fname));
+                                       return null;
+                               }
                                $refresh = false;
                        }
                        if ($parms['SHA1sum'] != sha1_file($locindex)) {        // check subdir index consistency
-                               if ($refresh)
-                                       @unlink($locindex);
-                               else {
+                               if ($refresh) {
+                                       if (!@unlink($locindex)) {
+                                               display_error(sprintf(_("Cannot delete outdated '%s' file."), $locindex));
+                                               return null;
+                                       }
+                               } else {
                                        display_error(sprintf( _("Security alert: broken index file in repository '%s'. Please inform repository administrator about this issue."),
                                                $fname));
                                        return null;
@@ -342,7 +360,7 @@ function get_pkg_or_list($type = null, $pkgname = null, $filter=array(), $outkey
                 // scan subdir list and select packages of given type
                $pkglist = get_control_file($locindex, 'Package');
                foreach($pkglist as $name => $pkg) {
-                       $pkgfullname = REPO_URL.'/'.$parms['Path']."/".$pkg['Filename'].'.pkg';
+                       $pkgfullname = $repo.'/'.$parms['Path']."/".$pkg['Filename'].'.pkg';
                        if (!isset($type) || in_array($pkg['Type'], $type)) {
                                if (empty($filter))
                                        $p = $pkg;
@@ -359,8 +377,11 @@ function get_pkg_or_list($type = null, $pkgname = null, $filter=array(), $outkey
                                } elseif ($pkgname == $pkg['Package']) {
                                        //download package to temp directory
                                        if ($download) {
-                                               $locname = "$path_to_root/tmp/".$pkg['Filename'].'.pkg';
-                                               url_copy($pkgfullname, $locname);
+                                               $locname = $target_dir.$pkg['Filename'].'.pkg';
+                                               if (!url_copy($pkgfullname, $locname)) {
+                                                       display_error(sprintf(_("Cannot download '%s' file." ), $pkgfullname));
+                                                       return null;
+                                               }
                                                 // checking sha1 hash is expensive proces, so chekc the package
                                                 // consistency just before downloading
                                                if ($pkg['SHA1sum'] != sha1_file($locname)) {
@@ -452,7 +473,8 @@ function get_languages_list()
                else
                        $pkgs[$l['package']] = array_merge($pkgs[$l['package']], $l);
        }
-       ksort($pkgs);
+       if ($pkgs)
+               ksort($pkgs);
        return $pkgs;
 }
 //---------------------------------------------------------------------------------------
@@ -462,37 +484,61 @@ function get_languages_list()
 //
 function get_extensions_list($type = null)
 {
+       global $path_to_root;
 
-       if (isset($type) && !is_array($type)) {
+       if (isset($type) || !is_array($type)) {
                $type = array($type);
        }
-       
+
        $pkgs = get_pkg_or_list($type, null, array(
                                'Package' => 'package',
                                'Version' => 'available',
                                'Name' => 'name',
                                'Description' => 'Descr',
                                'Type' => 'type',
-                               'DefaultStatus'=> 'active',
-                               'MenuTabs' => 'tabs',
-                               'MenuEntries' => 'entries',
+                               'DefaultStatus' => 'active',
+//                             'MenuTabs' => 'tabs',
+//                             'MenuEntries' => 'entries',
                                'Encoding' => 'encoding',
-                               'AccessExtensions' => 'acc_file',
+//                             'AccessExtensions' => 'acc_file',
                                'InstallPath' => 'path'
                        ));
 
+       // lookup for local extensions
+       $path = $path_to_root.'/modules/';
+       $loc = array();
+       $moddir = opendir($path);
+
+       while(false != ($fname = readdir($moddir)))
+       {
+               if(!in_array($fname, array('.','..','CVS','_cache')) && is_dir($path.$fname))
+               {
+                       if (!isset($pkgs[$fname]))
+                               $pkgs[$fname] = array(
+                                       'package' => $fname,
+                                       'name' => $fname,
+                                       'version' => '',
+                                       'available' => '',
+                                       'type' => 'extension',
+                                       'path' => 'modules/'.$fname,
+                                       'active' => false
+                                       );
+               }
+       }
+
        // add/update extensions already installed
        // 
-       $local = get_company_extensions();
-       foreach($local as $extno => $ext) {
+       $installed = get_company_extensions();
+       foreach($installed as $extno => $ext) {
                if (!in_array($ext['type'], $type)) continue;
                $ext['local_id'] = $extno;
-               if (!isset($pkgs[$ext['package']]) || $ext['package'] == '')
-                       $pkgs[] = $ext;
-               else
+//             if (!isset($pkgs[$ext['package']]) || $ext['package'] == '')
+//                     $pkgs[] = $ext;
+//             else
                        $pkgs[$ext['package']] = array_merge($pkgs[$ext['package']], $ext);
        }
-       ksort($pkgs);
+       if ($pkgs)
+               ksort($pkgs);
        return $pkgs;
 }
 //
@@ -519,8 +565,8 @@ function get_themes_list()
                }
        }
        // TODO: Add other themes from themes directory
-       
-       ksort($pkgs);
+       if ($pkgs)
+               ksort($pkgs);
        return $pkgs;
 }
 //---------------------------------------------------------------------------------------
@@ -553,7 +599,8 @@ function get_charts_list()
                else
                        $pkgs[$ext['package']] = array_merge($pkgs[$ext['package']], $ext);
        }
-       ksort($pkgs);
+       if ($pkgs)
+               ksort($pkgs);
        return $pkgs;
 }
 //---------------------------------------------------------------------------------------------
@@ -575,7 +622,7 @@ function install_language($pkg_name)
                                uninstall_package($old_pkg);
                }
 
-               $package = new package("$path_to_root/tmp/".$pkg['Filename'].'.pkg');
+               $package = new package(VARLIB_PATH."/".$pkg['Filename'].'.pkg');
                if ($package->install()) {
                        $lang = array(
                                'name' => $pkg['Name'],
@@ -589,7 +636,7 @@ function install_language($pkg_name)
                                $lang['rtl'] = true;
                        $installed_languages[$i] = $lang;
                        write_lang($installed_languages);
-                       unlink("$path_to_root/tmp/".$pkg['Filename'].'.pkg');
+                       unlink(VARLIB_PATH."/".$pkg['Filename'].'.pkg');
                        $Ajax->activate('lang_tbl');
                } else {
                        display_error(implode('<br>', $package->error));
@@ -606,11 +653,11 @@ function install_language($pkg_name)
 //
 function install_extension($pkg_name)
 {
-       global $path_to_root, $installed_extensions, $next_extension_id, $Ajax;
+       global $path_to_root, $installed_extensions, $next_extension_id, $Ajax, $db_connections;
        
        $pkg = get_pkg_or_list(array('extension', 'theme', 'chart'), $pkg_name);
        if ($pkg) {
-               $package = new package("$path_to_root/tmp/".$pkg['Filename'].'.pkg');
+               $package = new package(VARLIB_PATH."/".$pkg['Filename'].'.pkg');
                $local_exts = get_company_extensions();
                if ($package->install()) {
                        $ext_id = array_search_key($pkg['Package'], $local_exts, 'package');
@@ -626,20 +673,24 @@ function install_extension($pkg_name)
                                'package' => $pkg['Package'],
                                'version' => $pkg['Version'],
                                'type' => $pkg['Type'],
-                               'active' => true,
+                               'active' => @$pkg['DefaultStatus'] == 'active' ? true : false,
                                'path' => $pkg['InstallPath'],
                        );
-                       if (isset($pkg['MenuTabs']))
-                               $ext['tabs'] = $pkg['MenuTabs'];
-                       if (isset($pkg['MenuEntries']))
-                               $ext['entries'] = $pkg['MenuEntries'];
-                       if (isset($pkg['AccessExtensions']))
-                               $ext['acc_file'] = $pkg['AccessExtensions'];
                        if (isset($pkg['SqlScript']))
                                $ext['sql'] = $pkg['SqlScript'];
+
                        $local_exts[$ext_id] = $ext;
                        $ret = update_extensions($local_exts);
-                       unlink("$path_to_root/tmp/".$pkg['Filename'].'.pkg');
+
+                       if (($ext['active'] == true) && file_exists($path_to_root.'/'.$ext['path'].'/hooks.php'))
+                       {
+                               // we need to include the new hooks file to activate extension
+                               include_once($path_to_root.'/'.$ext['path'].'/hooks.php');
+                               foreach($db_connections as $comp => $db)
+                                       activate_hooks($ext['package'], $comp);
+                       }
+
+                       unlink(VARLIB_PATH."/".$pkg['Filename'].'.pkg');
                        $Ajax->activate('ext_tbl');
                        return $ret;
                } else {
@@ -657,9 +708,13 @@ function install_extension($pkg_name)
 */
 function check_pkg_upgrade($current, $available)
 {
+       if ($available == NULL)
+               return false;
        preg_match_all('/[\d]+/', $available, $aver);
        if (!count($aver[0]))
                return false;
+       if ($current == NULL)
+               return true;
        preg_match_all('/[\d]+/', $current, $cver);
        if (!count($cver[0]))
                return true;
@@ -676,4 +731,20 @@ function get_package_info($pkg, $type=null, $filter=array(), $outkey=null, $down
        return get_pkg_or_list($type, $pkg, $filter, null, false);
 }
 
-?>
\ No newline at end of file
+/*
+       Check basic extension source compatibility.
+*/
+function check_src_ext_version($ext_v)
+{
+    global $src_version;
+    if ($ext_v != '-') {
+        $compat_levels = 2;    // current policy is keeping compatibility on major version level.
+        $app = explode('.', substr($src_version, 0, strspn($src_version, "0123456789.")));
+        $pkg = explode('.', substr($ext_v, 0, strspn($ext_v, "0123456789.")));
+
+        for ($i=0; $i < min($compat_levels, count($app)); $i++)
+            if ($pkg[$i] < $app[$i])
+                return false;
+    }
+    return true;
+}