From c8f477c3ece413e45324964828bd49a2886b8280 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Antoine=20Beaupr=C3=A9?= <anarcat@anarcat.ath.cx>
Date: Thu, 10 Apr 2008 18:40:08 +0000
Subject: [PATCH] crude implementation of permission change in the file browser

Contributed by: Mathieu Lutfy
Sponsored by: Koumbit
---
 bureau/admin/bro_main.php | 46 +++++++++++++++++++++++++++++++++++++++
 bureau/class/m_bro.php    | 36 ++++++++++++++++++++++++++++++
 debian/changelog          |  1 +
 3 files changed, 83 insertions(+)

diff --git a/bureau/admin/bro_main.php b/bureau/admin/bro_main.php
index 5dd30e72..e937c8b4 100644
--- a/bureau/admin/bro_main.php
+++ b/bureau/admin/bro_main.php
@@ -107,6 +107,11 @@ if ($formu) {
       print $err->errstr();
     }
     break;
+  case 7:  // Changement de permissions [ML]
+    if (!$bro->ChangePermissions($R, $d, $perm)) {
+      print $err->errstr();
+    }
+    break;
   }
 }
 
@@ -173,6 +178,46 @@ if ($formu==2 && $actrename && count($d)) {
   echo "<hr />\n";
 }
 
+/* [ML] Changer les permissions : */
+if ($formu==2 && $_REQUEST['actperms'] && count($d)) {
+  echo "<form action=\"bro_main.php\" method=\"post\">\n";
+  echo "<input type=\"hidden\" name=\"R\" value=\"$R\" />\n";
+  echo "<input type=\"hidden\" name=\"formu\" value=\"7\" />\n";
+  echo "<p>"._("Permissions")."</p>";
+
+  $tmp_absdir = $bro->convertabsolute($R,0);
+
+  echo "<table border=\"1\">"; // FIXME, marco, ajouter classe css?
+  echo "<tr>";
+  // echo "<th>" . 'File' . "</th><th>&nbsp;</th><th>Owner</th><th>Group</th><th>Other</th>"; // FIXME , i18n
+  echo "<th>" . 'File' . "</th><th>Permissions</th>"; // FIXME, i18n
+  echo "</tr>";
+
+  for ($i=0;$i<count($d);$i++) {
+    $d[$i]=ssla($d[$i]);
+    $stats = stat($tmp_absdir . '/' . $d[$i]);
+    $modes = $stats[2];
+
+    echo "<tr>";
+    echo "<td>".$d[$i]."</td>";
+
+    // Owner
+    echo "<td>";
+    echo "<input type=\"hidden\" name=\"d[$i]\" value=\"".$d[$i]."\" />";
+    // echo "<label>read <input type=\"checkbox\" name=\"perm[$i][r]\" value=\"1\" ". (($modes & 0000400) ? 'checked="checked"' : '') ." />";
+    echo "<label>write <input type=\"checkbox\" name=\"perm[$i][w]\" value=\"1\" ". (($modes & 0000200) ? 'checked="checked"' : '') ." />";
+    echo "</td>";
+
+    echo "</tr>";
+  }
+
+  echo "</table>";
+
+  echo "<p><input type=\"submit\" class=\"inb\" name=\"submit\" value=\""._("Change permissions")."\" /></p>";
+  echo "</form>\n";
+  echo "<hr />\n";
+}
+
 /* We draw the file list and button bar only if there is files here ! */
 if (count($c)) {
 
@@ -189,6 +234,7 @@ document.write("<input type=\"button\" value=\"<?php __("all/none"); ?>\" class=
 <input type="submit" class="inb" name="actdel" value="<?php __("Delete"); ?>" />
 
 <input type="submit" class="inb" name="actrename" value="<?php __("Rename"); ?>" />
+<input type="submit" class="inb" name="actperms" value="<?php __("Permissions"); ?>" /> <!-- [ML] -->
 &nbsp;&nbsp;&nbsp;
 <input type="submit" class="inb" name="actcopy" value="<?php __("Copy to"); ?>" />
 
diff --git a/bureau/class/m_bro.php b/bureau/class/m_bro.php
index ffe09f39..0caebc6d 100644
--- a/bureau/class/m_bro.php
+++ b/bureau/class/m_bro.php
@@ -385,6 +385,42 @@ class m_bro {
     return true;
   }
 
+  /* ----------------------------------------------------------------- */
+  /** Change les droits d'acces aux fichier de $d du dossier $R en $p
+   * @param string $R dossier dans lequel se trouve les fichiers à renommer.
+   * @param array of string $old Ancien nom des fichiers
+   * @param array of string $new Nouveau nom des fichiers
+   * @return boolean TRUE si les fichiers ont été renommés, FALSE si une erreur s'est produite.
+   */
+  function ChangePermissions($R,$d,$perm) {
+    global $err;
+    $absolute=$this->convertabsolute($R,0);
+    if (!$absolute) {
+      $err->raise("bro",1);
+      return false;
+    }
+    for ($i=0;$i<count($d);$i++) {
+      $d[$i]=ssla($d[$i]); // strip slashes if needed
+      if (!strpos($d[$i],"/")) {  // caractère / interdit dans le nom du fichier
+	// @rename($absolute."/".$old[$i],$absolute."/".$old[$i].$alea);
+	$m = fileperms($absolute."/". $d[$i]);
+
+	// pour l'instant on se limite a "write" pour owner, puisque c'est le seul
+	// cas interessant compte tenu de la conf de Apache pour AlternC..
+	if ($perm[$i]['w']) {
+	  $m = $m | 128;
+	} else {
+          $m = $m ^ 128;
+	}
+	$m = $m | ($perm[$i]['w'] ? 128 : 0); // 0600
+	chmod($absolute."/".$d[$i], $m);
+	echo "chmod " . sprintf('%o', $m) . " file, was " . sprintf('%o', fileperms($absolute."/". $d[$i])). " -- " . $perm[$i]['w'];
+      }
+    }
+
+    return true;
+  }
+
   /* ----------------------------------------------------------------- */
   /** Recoit un champ file upload (Global) et le stocke dans le dossier $R
    * Le champ file-upload originel doit s'appeler "userfile" et doit
diff --git a/debian/changelog b/debian/changelog
index 9be2d496..34527a30 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -3,6 +3,7 @@ alternc (0.9.7+dev) stable; urgency=low UNRELEASED
   * standardisation of the web interface, along with some esthetic changes, by
     Marc Angles, sponsored by Koumbit
   * styles can now be changed locally in admin/styles/base.css
+  * crude implementation of a permission change interface in the file browser
 
  -- Antoine Beaupré <anarcat@koumbit.org>  Thu, 10 Apr 2008 13:56:22 -0400