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https://github.com/EGroupware/egroupware.git
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ACL support, fixes to path_parts () for / and $fakebase, changes to ls () for single file/$nofile
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zone
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@ -39,15 +39,6 @@
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define (VFS_REAL, 1024);
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define (RELATIVE_ALL, RELATIVE_PATH);
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/* ACL access defines. Used by acl_check () */
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define (VFS_ACL_READ, 1);
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define (VFS_ACL_ADD, 2);
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define (VFS_ACL_EDIT, 4);
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define (VFS_ACL_DELETE, 8);
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define (VFS_ACL_PRIVATE, 16);
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define (VFS_ACL_USER, VFS_ACL_READ|VFS_ACL_ADD|VFS_ACL_EDIT|VFS_ACL_DELETE);
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define (VFS_ACL_ALL, VFS_ACL_READ|VFS_ACL_ADD|VFS_ACL_EDIT|VFS_ACL_DELETE|VFS_ACL_PRIVATE);
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/*!
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@class path_class
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@abstract helper class for path_parts
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@ -285,6 +276,12 @@ class vfs
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$rarray["fake_leading_dirs"] = $base . $extra_path;
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$rarray["real_leading_dirs"] = $opp_base . $extra_path;
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}
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elseif (strrpos ($rarray["fake_full_path"], $sep) == 0)
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{
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/* If there is only one $sep in the path, we don't want to strip it off */
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$rarray["fake_leading_dirs"] = $sep;
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$rarray["real_leading_dirs"] = substr ($opp_base, 0, strlen ($opp_base) - 1);
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}
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else
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{
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/* These strip the ending / */
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@ -459,13 +456,103 @@ class vfs
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@abstract Check ACL access to $file for $this->account_id
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@param $file File to check access of
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@param $relatives Standard relativity array
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@param $operation Operation to check access to. In the form of a VFS_ACL defines bitmask. Default is read
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@result True if access is ok, function does not return if access is bad
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@param $operation Operation to check access to. In the form of a PHPGW_ACL defines bitmask. Default is read
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@param $must_exist Boolean. Set to True if $file must exist. Otherwise, we check the parent directory as well
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@result Boolean. True if access is ok, False otherwise
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*/
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function acl_check ($file, $relatives = array (RELATIVE_CURRENT), $operation = VFS_ACL_READ)
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function acl_check ($file, $relatives = array (RELATIVE_CURRENT), $operation = PHPGW_ACL_READ, $must_exist = False)
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{
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global $phpgw, $phpgw_info;
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$account_id = $phpgw_info["user"]["account_id"];
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$account_lid = $phpgw->accounts->id2name ($phpgw_info["user"]["account_id"]);
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$p = $this->path_parts ($file, array ($relatives[0]));
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/* Temporary, until we get symlink type files set up */
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if ($p->outside)
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{
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return True;
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}
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/* If the file doesn't exist, we get ownership from the parent directory */
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if (!$this->file_exists ($p->fake_full_path, array ($p->mask)))
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{
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if ($must_exist)
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{
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return False;
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}
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$file = $p->fake_leading_dirs;
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$p2 = $this->path_parts ($file, array ($p->mask));
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if (!$this->file_exists ($file, array ($p->mask)))
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{
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return False;
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}
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}
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else
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{
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$p2 = $p;
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}
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/* Read access is always allowed here, but nothing else is */
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if ($file == "/" || $file == $this->fakebase)
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{
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if ($operation == PHPGW_ACL_READ)
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{
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return True;
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}
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else
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{
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return False;
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}
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}
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/*
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We don't use ls () to get owner_id as we normally would,
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because ls () calls acl_check (), which would create an infinite loop
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*/
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$query = $phpgw->db->query ("SELECT owner_id FROM phpgw_vfs WHERE directory='$p2->fake_leading_dirs_clean' AND name='$p2->fake_name_clean'", __LINE__, __FILE__);
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$phpgw->db->next_record ();
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$group_id = $phpgw->db->Record["owner_id"];
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/* They always have access to their own files */
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if ($group_id == $account_id)
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{
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return True;
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}
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/* Check if they're in the group. If so, they have access */
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$memberships = $phpgw->accounts->memberships ($account_id);
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reset ($memberships);
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while (list ($num, $group_array) = each ($memberships))
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{
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if ($group_id == $phpgw->accounts->name2id ($group_array["account_name"]))
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{
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$group_ok = 1;
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break;
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}
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}
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if ($group_ok)
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{
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return True;
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}
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$acl = CreateObject ("phpgwapi.acl", $group_id);
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$acl->read_repository ();
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if ($acl->check ($account_id, $operation))
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{
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return True;
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}
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else
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{
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return False;
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}
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}
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/*!
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@ -554,6 +641,11 @@ class vfs
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$p = $this->path_parts ($file, array ($relatives[0]));
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if (!$this->acl_check ($p->fake_full_path, array ($p->mask), PHPGW_ACL_READ))
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{
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return False;
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}
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if ($fp = fopen ($p->real_full_path, "r"))
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{
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$contents = fread ($fp, filesize ($p->real_full_path));
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@ -583,6 +675,20 @@ class vfs
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$p = $this->path_parts ($file, array ($relatives[0]));
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if ($this->file_exists ($p->fake_full_path, array ($p->mask)))
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{
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$operation = PHPGW_ACL_EDIT;
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}
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else
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{
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$operation = PHPGW_ACL_ADD;
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}
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if (!$this->acl_check ($p->fake_full_path, array ($p->mask), $operation))
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{
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return False;
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}
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umask(000);
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/*
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@ -638,10 +744,20 @@ class vfs
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/* We, however, have to decide this ourselves */
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if ($this->file_exists ($p->fake_full_path, array ($p->mask)))
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{
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if (!$this->acl_check ($p->fake_full_path, array ($p->mask), PHPGW_ACL_EDIT))
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{
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return False;
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}
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$vr = $this->set_attributes ($p->fake_full_path, array ($p->mask), array ("modifiedby_id" => $account_id, "modified" => date ("Y-m-d")));
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}
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else
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{
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if (!$this->acl_check ($p->fake_full_path, array ($p->mask), PHPGW_ACL_ADD))
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{
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return False;
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}
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$query = $phpgw->db->query ("INSERT INTO phpgw_vfs (owner_id, directory, name) VALUES ($this->working_id, '$p->fake_leading_dirs_clean', '$p->fake_name_clean')", __LINE__, __FILE__);
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$this->set_attributes ($p->fake_full_path, array ($p->mask), array ("createdby_id" => $account_id, "created" => $this->now, "size" => 0, "deleteable" => "Y", "app" => $currentapp));
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@ -677,7 +793,26 @@ class vfs
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$f = $this->path_parts ($from, array ($relatives[0]));
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$t = $this->path_parts ($to, array ($relatives[1]));
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// $this->acl_check ($t, array ($t->mask));
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if (!$this->acl_check ($f->fake_full_path, array ($f->mask), PHPGW_ACL_READ))
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{
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return False;
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}
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if ($this->file_exists ($t->fake_full_path, array ($t->mask)))
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{
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if (!$this->acl_check ($t->fake_full_path, array ($t->mask), PHPGW_ACL_EDIT))
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{
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return False;
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}
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}
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else
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{
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if (!$this->acl_check ($t->fake_full_path, array ($t->mask), PHPGW_ACL_ADD))
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{
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return False;
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}
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}
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umask(000);
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@ -773,6 +908,24 @@ class vfs
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$f = $this->path_parts ($from, array ($relatives[0]));
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$t = $this->path_parts ($to, array ($relatives[1]));
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if (!$this->acl_check ($f->fake_full_path, array ($f->mask), PHPGW_ACL_READ) || !$this->acl_check ($f->fake_full_path, array ($f->mask), PHPGW_ACL_DELETE))
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{
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return False;
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}
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if (!$this->acl_check ($t->fake_full_path, array ($t->mask), PHPGW_ACL_ADD))
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{
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return False;
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}
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if ($this->file_exists ($t->fake_full_path, array ($t->mask)))
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{
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if (!$this->acl_check ($t->fake_full_path, array ($t->mask), PHPGW_ACL_EDIT))
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{
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return False;
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}
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}
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umask (000);
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/* We can't move directories into themselves */
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@ -868,6 +1021,11 @@ class vfs
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$p = $this->path_parts ($string, array ($relatives[0]));
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if (!$this->acl_check ($p->fake_full_path, array ($p->mask), PHPGW_ACL_DELETE))
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{
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return False;
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}
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if (!$this->file_exists ($string, array ($relatives[0])))
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{
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$rr = unlink ($p->real_full_path);
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@ -960,6 +1118,11 @@ class vfs
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$p = $this->path_parts ($dir, array ($relatives[0]));
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if (!$this->acl_check ($p->fake_full_path, array ($p->mask), PHPGW_ACL_ADD))
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{
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return False;
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}
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/* We don't allow /'s in dir names, of course */
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if (ereg ("/", $p->fake_name))
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{
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@ -1018,6 +1181,15 @@ class vfs
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$p = $this->path_parts ($file, array ($relatives[0]));
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/*
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This is kind of trivial, given that set_attributes () can change owner_id,
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size, etc.
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*/
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if (!$this->acl_check ($p->fake_full_path, array ($p->mask), PHPGW_ACL_EDIT))
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{
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return False;
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}
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if (!$this->file_exists ($file, array ($relatives[0])))
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{
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return False;
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@ -1077,7 +1249,7 @@ class vfs
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if ($p->fake_leading_dirs != $fakebase && $p->fake_leading_dirs != "/")
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{
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$ls_array = $this->ls ($p->fake_leading_dirs, array ($p->mask), False, False, True);
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$this->set_attributes ($p->fake_full_path, array ($p->mask), array ("owner_id" => $ls_array["owner_id"]));
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$this->set_attributes ($p->fake_full_path, array ($p->mask), array ("owner_id" => $ls_array[0]["owner_id"]));
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return True;
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}
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@ -1109,6 +1281,11 @@ class vfs
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$p = $this->path_parts ($file, array ($relatives[0]));
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if (!$this->acl_check ($p->fake_full_path, array ($p->mask), PHPGW_ACL_READ, True))
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{
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return False;
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}
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$query = $phpgw->db->query ("SELECT mime_type FROM phpgw_vfs WHERE directory='$p->fake_leading_dirs_clean' AND name='$p->fake_name_clean'", __LINE__, __FILE__);
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$phpgw->db->next_record ();
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$mime_type = $phpgw->db->Record["mime_type"];
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@ -1220,7 +1397,8 @@ class vfs
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$phpgw->db->next_record ();
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$record = $phpgw->db->Record;
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$rarray = array ("file_id" => $record["file_id"], "owner_id" => $record["owner_id"], "createdby_id" => $record["createdby_id"], "modifiedby_id" => $record["modifiedby_id"], "created" => $record["created"], "modified" => $record["modified"], "size" => $record["size"], "mime_type" => $record["mime_type"], "deleteable" => $record["deleteable"], "comment" => $record["comment"], "app" => $record["app"], "directory" => $record["directory"], "name" => $record["name"]);
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/* We return an array of one array to maintain the standard */
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$rarray = array (array ("file_id" => $record["file_id"], "owner_id" => $record["owner_id"], "createdby_id" => $record["createdby_id"], "modifiedby_id" => $record["modifiedby_id"], "created" => $record["created"], "modified" => $record["modified"], "size" => $record["size"], "mime_type" => $record["mime_type"], "deleteable" => $record["deleteable"], "comment" => $record["comment"], "app" => $record["app"], "directory" => $record["directory"], "name" => $record["name"]));
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return $rarray;
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}
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