X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=functions%2Faddressbook.php;h=d35e9eeaeee0c23548a0d11766565cd655399c56;hb=50a361f6e63a3aa80b64a0fd65477c0add52ff02;hp=b4a31a363119de0743ebec9d48f07cd9e5ff7408;hpb=e4a468a78b04cf18a3d1fe9478eb36f9a76175df;p=squirrelmail.git

diff --git a/functions/addressbook.php b/functions/addressbook.php
index b4a31a36..d35e9eea 100644
--- a/functions/addressbook.php
+++ b/functions/addressbook.php
@@ -1,32 +1,49 @@
 <?php
+
 /**
  * functions/addressbook.php - Functions and classes for the addressbook system
  *
- * Copyright (c) 1999-2005 The SquirrelMail Project Team
- * Licensed under the GNU GPL. For full terms see the file COPYING.
- *
  * Functions require SM_PATH and support of forms.php functions
  *
+ * @copyright &copy; 1999-2006 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
  * @version $Id$
  * @package squirrelmail
  * @subpackage addressbook
  */
 
+/**
+ * If SM_PATH isn't defined, define it.  Required to include files.
+ * @ignore
+ */
+if (!defined('SM_PATH'))  {
+    define('SM_PATH','../');
+}
+
+/* make sure that display_messages.php is loaded */
+include_once(SM_PATH . 'functions/display_messages.php');
+
 global $addrbook_dsn, $addrbook_global_dsn;
 
 /**
-   Create and initialize an addressbook object.
-   Returns the created object
-*/
+ * Create and initialize an addressbook object.
+ * @param boolean $showerr display any address book init errors. html page header
+ * must be created before calling addressbook_init() with $showerr enabled.
+ * @param boolean $onlylocal enable only local address book backends
+ * @return object address book object.
+ */
 function addressbook_init($showerr = true, $onlylocal = false) {
-    global $data_dir, $username, $ldap_server, $address_book_global_filename;
+    global $data_dir, $username, $color, $ldap_server, $address_book_global_filename;
     global $addrbook_dsn, $addrbook_table;
-    global $abook_global_file, $abook_global_file_writeable;
+    global $abook_global_file, $abook_global_file_writeable, $abook_global_file_listing;
     global $addrbook_global_dsn, $addrbook_global_table, $addrbook_global_writeable, $addrbook_global_listing;
 
     /* Create a new addressbook object */
     $abook = new AddressBook;
 
+    /* Create empty error message */
+    $abook_init_error='';
+
     /*
         Always add a local backend. We use *either* file-based *or* a
         database addressbook. If $addrbook_dsn is set, the database
@@ -41,8 +58,7 @@ function addressbook_init($showerr = true, $onlylocal = false) {
                             'owner' => $username,
                             'table' => $addrbook_table));
         if (!$r && $showerr) {
-            echo _("Error initializing addressbook database.");
-            exit;
+            $abook_init_error.=_("Error initializing addressbook database.") . "<br />\n" . $abook->error;
         }
     } else {
         /* File */
@@ -50,19 +66,21 @@ function addressbook_init($showerr = true, $onlylocal = false) {
         $r = $abook->add_backend('local_file', Array('filename' => $filename,
                               'create'   => true));
         if(!$r && $showerr) {
-            printf( _("Error opening file %s"), $filename );
-            exit;
+            // no need to use $abook->error, because message explains error.
+            $abook_init_error.=sprintf( _("Error opening file %s"), $filename );
         }
-
     }
 
-    /* This would be for the global addressbook */
-    if (isset($abook_global_file) && isset($abook_global_file_writeable)
-        && trim($abook_global_file)!=''){
+    /* Global file based addressbook */
+    if (isset($abook_global_file) &&
+        isset($abook_global_file_writeable) &&
+        isset($abook_global_file_listing) &&
+        trim($abook_global_file)!=''){
+
         // Detect place of address book
         if (! preg_match("/[\/\\\]/",$abook_global_file)) {
             /* no path chars, address book stored in data directory
-             * make sure that there is a slash between data directory 
+             * make sure that there is a slash between data directory
              * and address book file name
              */
             $abook_global_filename=$data_dir
@@ -74,13 +92,17 @@ function addressbook_init($showerr = true, $onlylocal = false) {
         } else {
             $abook_global_filename=SM_PATH . $abook_global_file;
         }
+
         $r = $abook->add_backend('local_file',array('filename'=>$abook_global_filename,
                                                     'name' => _("Global address book"),
                                                     'detect_writeable' => false,
-                                                    'writeable'=> $abook_global_file_writeable));
+                                                    'writeable'=> $abook_global_file_writeable,
+                                                    'listing' => $abook_global_file_listing));
+
+        /* global abook init error is not fatal. add error message and continue */
         if (!$r && $showerr) {
-            echo _("Error initializing global addressbook.");
-            exit;
+            if ($abook_init_error!='') $abook_init_error.="<br />\n";
+            $abook_init_error.=_("Error initializing global addressbook.") . "<br />\n" . $abook->error;
         }
     }
 
@@ -97,36 +119,46 @@ function addressbook_init($showerr = true, $onlylocal = false) {
                                      'writeable' => $addrbook_global_writeable,
                                      'listing' => $addrbook_global_listing,
                                      'table' => $addrbook_global_table));
+      /* global abook init error is not fatal. add error message and continue */
+      if (!$r && $showerr) {
+          if ($abook_init_error!='') $abook_init_error.="<br />\n";
+          $abook_init_error.=_("Error initializing global addressbook.") . "<br />\n" . $abook->error;
+      }
     }
 
     /*
      * hook allows to include different address book backends.
      * plugins should extract $abook and $r from arguments
      * and use same add_backend commands as above functions.
-     * @since 1.5.1
+     * @since 1.5.1 and 1.4.5
      */
     $hookReturn = do_hook('abook_init', $abook, $r);
     $abook = $hookReturn[1];
     $r = $hookReturn[2];
 
-    if ($onlylocal) {
-        return $abook;
-    }
-
-    /* Load configured LDAP servers (if PHP has LDAP support) */
-    if (isset($ldap_server) && is_array($ldap_server) && function_exists('ldap_connect')) {
-        reset($ldap_server);
-        while (list($undef,$param) = each($ldap_server)) {
-            if (is_array($param)) {
-                $r = $abook->add_backend('ldap_server', $param);
-                if (!$r && $showerr) {
-                    printf( '&nbsp;' . _("Error initializing LDAP server %s:") .
-                            "<br />\n", $param['host']);
-                    echo '&nbsp;' . $abook->error;
-                    exit;
+    if (! $onlylocal) {
+        /* Load configured LDAP servers (if PHP has LDAP support) */
+        if (isset($ldap_server) && is_array($ldap_server)) {
+            reset($ldap_server);
+            while (list($undef,$param) = each($ldap_server)) {
+                if (is_array($param)) {
+                    $r = $abook->add_backend('ldap_server', $param);
+                    if (!$r && $showerr) {
+                        if ($abook_init_error!='') $abook_init_error.="<br />\n";
+                        $abook_init_error.=sprintf(_("Error initializing LDAP server %s:") .
+                                "<br />\n", $param['host']);
+                        $abook_init_error.= $abook->error;
+                    }
                 }
             }
-        }
+        } // end of ldap server init
+    } // end of remote abook backend init
+
+    /**
+     * display address book init errors.
+     */
+    if ($abook_init_error!='' && $showerr) {
+        error_box($abook_init_error,$color);
     }
 
     /* Return the initialized object */
@@ -153,12 +185,12 @@ function abook_create_form($form_url,$name,$title,$button,$defdata=array()) {
                                       'center', $color[0]
                                       )
                             )
-                  , 'center', '', 'width="100%"' ) ."\n";
+                  , 'center', '', 'width="90%"' ) ."\n";
     address_form($name, $button, $defdata);
 }
 
 
-/*
+/**
  *   Had to move this function outside of the Addressbook Class
  *   PHP 4.0.4 Seemed to be having problems with inline functions.
  *   Note: this can return now since we don't support 4.0.4 anymore.
@@ -382,6 +414,14 @@ function show_abook_sort_button($abook_sort_order, $alt_tag, $Down, $Up ) {
  * @subpackage addressbook
  */
 class AddressBook {
+
+    /*
+       Cleaning errors from html with htmlspecialchars:
+       Errors from the backend are cleaned up in this class because we not always
+       have control over it when error output is generated in the backend.
+       If this appears to be wrong place then clean it up at the source (the backend)
+    */
+
     /**
      * Enabled address book backends
      * @var array
@@ -407,6 +447,20 @@ class AddressBook {
      * @var string
      */
     var $localbackendname = '';
+    /**
+     * Controls use of 'extra' field
+     * 
+     * Extra field can be used to add link to form, which allows 
+     * to modify all fields supported by backend. This is the only field 
+     * that is not sanitized with htmlspecialchars. Backends MUST make
+     * sure that field data is sanitized and displayed correctly inside
+     * table cell. Use of html formating in other address book fields is
+     * not allowed. Backends that don't return 'extra' row in address book 
+     * data should not modify this object property.
+     * @var boolean
+     * @since 1.5.1
+     */
+    var $add_extra_field = false;
 
     /**
      * Constructor function.
@@ -510,7 +564,7 @@ class AddressBook {
                 if (is_array($res)) {
                     $ret = array_merge($ret, $res);
                 } else {
-                    $this->error .= "<br />\n" . $backend->error;
+                    $this->error .= "<br />\n" . htmlspecialchars($backend->error);
                     $failed++;
                 }
             }
@@ -526,7 +580,7 @@ class AddressBook {
 
             $ret = $this->backends[$bnum]->search($expression);
             if (!is_array($ret)) {
-                $this->error .= "<br />\n" . $this->backends[$bnum]->error;
+                $this->error .= "<br />\n" . htmlspecialchars($this->backends[$bnum]->error);
                 $ret = FALSE;
             }
         }
@@ -567,7 +621,7 @@ class AddressBook {
             if (is_array($res)) {
                return $res;
             } else {
-               $this->error = $backend->error;
+               $this->error = htmlspecialchars($this->backends[$bnum]->error);
                return false;
             }
         }
@@ -581,7 +635,7 @@ class AddressBook {
                if(!empty($res))
               return $res;
             } else {
-               $this->error = $backend->error;
+               $this->error = htmlspecialchars($backend->error);
                return false;
             }
         }
@@ -611,7 +665,7 @@ class AddressBook {
             if (is_array($res)) {
                $ret = array_merge($ret, $res);
             } else {
-               $this->error = $backend->error;
+               $this->error = htmlspecialchars($backend->error);
                return false;
             }
         }
@@ -661,7 +715,7 @@ class AddressBook {
         if ($res) {
             return $bnum;
         } else {
-            $this->error = $this->backends[$bnum]->error;
+            $this->error = htmlspecialchars($this->backends[$bnum]->error);
             return false;
         }
 
@@ -698,7 +752,7 @@ class AddressBook {
         if ($res) {
             return $bnum;
         } else {
-            $this->error = $this->backends[$bnum]->error;
+            $this->error = htmlspecialchars($this->backends[$bnum]->error);
             return false;
         }
 
@@ -753,7 +807,7 @@ class AddressBook {
         if ($res) {
             return $bnum;
         } else {
-            $this->error = $this->backends[$bnum]->error;
+            $this->error = htmlspecialchars($this->backends[$bnum]->error);
             return false;
         }
 
@@ -824,6 +878,10 @@ class addressbook_backend {
 
     /**
      * Search for entries in backend
+     *
+     * Working backend should support use of wildcards. * symbol 
+     * should match one or more symbols. ? symbol should match any
+     * single symbol.  
      * @param string $expression
      * @return bool
      */
@@ -844,6 +902,9 @@ class addressbook_backend {
 
     /**
      * List all entries in backend
+     *
+     * Working backend should provide this function or at least
+     * dummy function that returns empty array.
      * @return bool
      */
     function list_addr() {
@@ -893,8 +954,8 @@ require_once(SM_PATH . 'functions/abook_ldap_server.php');
 
 /* Only load database backend if database is configured */
 if((isset($addrbook_dsn) && !empty($addrbook_dsn)) ||
- (isset($addrbook_global_dsn) && !empty($addrbook_global_dsn)) ) {
-  include_once(SM_PATH . 'functions/abook_database.php');
+        (isset($addrbook_global_dsn) && !empty($addrbook_global_dsn))) {
+    include_once(SM_PATH . 'functions/abook_database.php');
 }
 
 /*
@@ -902,8 +963,8 @@ if((isset($addrbook_dsn) && !empty($addrbook_dsn)) ||
  * class must follow address book class coding standards.
  *
  * see addressbook_backend class and functions/abook_*.php files.
- * @since 1.5.1
+ * @since 1.5.1 and 1.4.5
  */
 do_hook('abook_add_class');
 
-?>
\ No newline at end of file
+?>