Initial commit.

2026-03-10 21:25:26 +08:00
commit 78739bf725
3089 changed files with 472990 additions and 0 deletions
--- a/lib/perl5/Selima/UserPref.pm
+++ b/lib/perl5/Selima/UserPref.pm
@@ -0,0 +1,121 @@
+# Selima Website Content Management System
+# UserPref.pm: The user preference subroutine.
+
+#  Copyright (c) 2004-2018 imacat.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+# Author: imacat <imacat@mail.imacat.idv.tw>
+# First written: 2004-09-12
+
+package Selima::UserPref;
+use 5.008;
+use strict;
+use warnings;
+use base qw(Exporter);
+use vars qw(@EXPORT @EXPORT_OK);
+BEGIN {
+@EXPORT = qw(userpref);
+@EXPORT_OK = @EXPORT;
+# Prototype declaration
+sub userpref($;$);
+}
+
+use Selima::Cache qw(:userpref);
+use Selima::DataVars qw($DBH $SESSION :requri :user);
+use Selima::Guest;
+use Selima::LogIn;
+
+# userpref: Obtain the specified user preference
+sub userpref($;$) {
+    local ($_, %_);
+    my ($name, $domain, $cache, $sql, $sth, $row);
+    ($name, $domain) = @_;
+    # Set the default domain
+    $domain = $REQUEST_PATH if !defined $domain;
+    # Initialize the cache
+    $UserPref_userpref{$domain} = {} if !exists $UserPref_userpref{$domain};
+    $cache = $UserPref_userpref{$domain};
+    # Return the cache
+    return $$cache{$name} if exists $$cache{$name};
+    
+    # User system not available
+    if (!use_users || !defined $SESSION) {
+        return ($$cache{$name} = ${$USERPREF{$domain}}{$name})
+            if  exists $USERPREF{$domain}
+                && exists ${$USERPREF{$domain}}{$name};
+        return ($$cache{$name} = undef);
+    }
+    
+    # User system is in use
+    # Check guest preferences in $SESSION
+    if (is_guest) {
+        # Check the preference on this domain
+        return ($$cache{$name} = ${${$$SESSION{"userpref"}}{$domain}}{$name})
+            if  exists $$SESSION{"userpref"}
+                && exists ${$$SESSION{"userpref"}}{$domain}
+                && exists ${${$$SESSION{"userpref"}}{$domain}}{$name};
+        # Check the default preference
+        return ($$cache{$name} = ${${$$SESSION{"userpref"}}{"*"}}{$name})
+            if  exists $$SESSION{"userpref"}
+                && exists ${$$SESSION{"userpref"}}{"*"}
+                && exists ${${$$SESSION{"userpref"}}{"*"}}{$name};
+    }
+    
+    # Already logged in -- check the user preference
+    if (defined get_login_sn) {
+        # Check the user preference on this domain
+        $sql = "SELECT value FROM userpref"
+            . " WHERE usr=" . get_login_sn
+            . " AND domain=" . $DBH->quote($domain)
+            . " AND name=" . $DBH->quote($name) . ";\n";
+        $sth = $DBH->prepare($sql);
+        $sth->execute;
+        return ($$cache{$name} = ${$sth->fetch}[0])
+            if $sth->rows == 1;
+        
+        # Check the default preference of this user
+        $sql = "SELECT value FROM userpref"
+            . " WHERE usr=" . get_login_sn
+            . " AND domain IS NULL"
+            . " AND name=" . $DBH->quote($name) . ";\n";
+        $sth = $DBH->prepare($sql);
+        $sth->execute;
+        return ($$cache{$name} = ${$sth->fetch}[0])
+            if $sth->rows == 1;
+    }
+    
+    # Check the default preference on this domain
+    $sql = "SELECT value FROM userpref"
+        . " WHERE usr IS NULL"
+        . " AND domain=" . $DBH->quote($domain)
+        . " AND name=" . $DBH->quote($name) . ";\n";
+    $sth = $DBH->prepare($sql);
+    $sth->execute;
+    return ($$cache{$name} = ${$sth->fetch}[0])
+        if $sth->rows == 1;
+    
+    # Check the default preference for everything
+    $sql = "SELECT value FROM userpref"
+        . " WHERE usr IS NULL"
+        . " AND domain IS NULL"
+        . " AND name=" . $DBH->quote($name) . ";\n";
+    $sth = $DBH->prepare($sql);
+    $sth->execute;
+    return ($$cache{$name} = ${$sth->fetch}[0])
+        if $sth->rows == 1;
+    
+    return ($$cache{$name} = undef);
+}
+
+return 1;