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<?php
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<?php
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# $Id: index.php 2612 2018-08-22 16:37:28Z tom.houdayer $
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# $Id: index.php 2688 2019-01-18 23:15:49Z lucas.echard $
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#
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#
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# index.php for ALCASAR by Rexy
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# index.php for ALCASAR by Rexy
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# UI & css style by stephane ERARD
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# UI & css style by stephane ERARD
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# The contents of this file may be used under the terms of the GNU
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# The contents of this file may be used under the terms of the GNU
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# General Public License Version 2, provided that the above copyright
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# General Public License Version 2, provided that the above copyright
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                'connected' => false,
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                'connected' => false,
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                'username'  => ''
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                'username'  => ''
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        ];
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        ];
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}
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}
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// Test if it's a direct connexion to ALCASAR
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// Test if it's a direct connection to ALCASAR
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if (isset($_SERVER['HTTP_HOST']) && (($_SERVER['HTTP_HOST'] === $_SERVER['SERVER_ADDR']) || ($_SERVER['HTTP_HOST'] === 'alcasar') || ($_SERVER['HTTP_HOST'] === $hostname) || ($_SERVER['HTTP_HOST'] === $organisme))) {
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if (isset($_SERVER['HTTP_HOST']) && (($_SERVER['HTTP_HOST'] === $_SERVER['SERVER_ADDR']) || ($_SERVER['HTTP_HOST'] === 'alcasar') || ($_SERVER['HTTP_HOST'] === $hostname) || ($_SERVER['HTTP_HOST'] === $organisme))) {
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        $direct_access = true;
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        $direct_access = true;
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}
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}
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// Function to adapt time connexion in seconds to H,M,S
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// Function to adapt time connection in seconds to H,M,S
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function secondsToDuration($seconds = null){
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function secondsToDuration($seconds = null){
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        if ($seconds == null) return "";
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        if ($seconds == null) return "";
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        $temp = $seconds % 3600;
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        $temp = $seconds % 3600;
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        $time[0] = ( $seconds - $temp ) / 3600 ;        // hours
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        $time[0] = ( $seconds - $temp ) / 3600 ;        // hours
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        $time[2] = $temp % 60 ;                         // seconds
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        $time[2] = $temp % 60 ;                         // seconds
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        $l_required_domain = "Required WEB site";
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        $l_required_domain = "Required WEB site";
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        $l_explain_acc_access = "This center control the portal. You must have an administrative account.";
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        $l_explain_acc_access = "This center control the portal. You must have an administrative account.";
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        $l_explain_access_deny = "You try to connect to a resource whose content is deemed to contain inappropriate information.";
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        $l_explain_access_deny = "You try to connect to a resource whose content is deemed to contain inappropriate information.";
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        $l_explain_net_pb = "Your portal has just detected that the Internet access is down";
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        $l_explain_net_pb = "Your portal has just detected that the Internet access is down";
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        $l_contact_access_deny = "Contact your security system manager if you think this filtering is abusive.";
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        $l_contact_access_deny = "Contact your security system manager if you think this filtering is abusive.";
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        $l_contact_net_pb = "Contact your network responsive or your Internet provider for more information";
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        $l_contact_net_pb = "Contact your network responsive or your Internet provider for further information.";
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        $l_sms_access = "<a href=\"//$hostname/autoregistrationinfo.php\">Auto Registration by SMS</a>";
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        $l_sms_access = "<a href=\"//$hostname/autoregistrationinfo.php\">Auto Registration by SMS</a>";
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        $l_install_certif = "Install ALCASAR AC Certificate";
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        $l_install_certif = "Install ALCASAR AC Certificate";
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        $l_install_certif_more = "Install ALCASAR AC Certificate";
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        $l_install_certif_more = "Install ALCASAR AC Certificate";
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        $l_certif_explain = "Allow secure data exchange between your computer and ALCASAR portal.<BR>If this certificate isn't incorporated in your computer, some security alerts should appear in your browser.<br><br>";
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        $l_certif_explain = "Allow secure data exchange between your computer and ALCASAR portal.<BR>If this certificate isn't incorporated in your computer, some security alerts should appear in your browser.<br><br>";
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        $l_certif_explain_help = "<a href=\"alcasar-certificat.pdf\" target=\"_blank\">Complementary help</a>";
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        $l_certif_explain_help = "<a href=\"alcasar-certificat.pdf\" target=\"_blank\">Complementary help</a>";
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        $l_category = "category :";
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        $l_category = "category:";
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        if (!$user->connected) {
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        if (!$user->connected) {
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                $l_logout_explain = "No Internet consultation session is actualy open on your system";
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                $l_logout_explain = "No Internet consultation session is currently open on your system";
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                $l_logout = "<a href=\"//$hostname/index.php?url=$redirect_link\">Open an Internet session</a>";
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                $l_logout = "<a href=\"//$hostname/index.php?url=$redirect_link\">Open an Internet session</a>";
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        } else {
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        } else {
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                if ($user->username != $user->mac) { // authentication exception or not
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                if ($user->username != $user->mac) { // authentication exception or not
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                        $l_logout_explain = "Close the session of the user currently connected.<br> User logged-on : <a href=\"$logout_link\" title=\"Disconnect user $user->username\"><b>$user->username</b></a><br><br>$nb_connection_history last connections :$connection_history";
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                        $l_logout_explain = "Close the session of the currently logged-in user.<br> User logged-on: <a href=\"$logout_link\" title=\"Disconnect user $user->username\"><b>$user->username</b></a><br><br>$nb_connection_history last connections:$connection_history";
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                        $l_logout = "<a href=\"$logout_link\">Logoff from internet</a>";
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                        $l_logout = "<a href=\"$logout_link\">Logoff from the internet</a>";
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                } else {
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                } else {
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                        $l_logout_explain = "Your system ($user->username) is in exception of authentication.<br><br>$nb_connection_history Last logins :$connection_history";
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                        $l_logout_explain = "Your system ($user->username) is in exception of authentication.<br><br>$nb_connection_history Last logins:$connection_history";
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                        $l_logout = "Connections information";
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                        $l_logout = "Connections information";
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                }
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                }
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        }
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        }
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                $l_continue_link = "<a href=\"index.php\" class=\"button\">I understand and I wish to continue.</a>";
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                $l_continue_link = "<a href=\"index.php\" class=\"button\">I understand and I wish to continue.</a>";
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        }
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        }
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        $l_title_warn="Dear user,";
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        $l_title_warn="Dear user,";
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        $l_explain_warn_name="Someone called ";
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        $l_explain_warn_name="Someone called ";
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        $l_explain_warn_ip="with this IP : ";
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        $l_explain_warn_ip="with this IP: ";
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        $l_explain_warn_date="has read your connexion logs at ";
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        $l_explain_warn_date="has read your connection logs at ";
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        $l_explain_warn_reason="For this reason : ";
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        $l_explain_warn_reason="For this reason: ";
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        $l_uam_domain = "Authorized websites : ";
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        $l_uam_domain = "Authorized websites: ";
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}
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}
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$l_title   = ($direct_access ? $l_access_welcome     : ($network_pb ? $l_access_unavailable : $l_access_denied));
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$l_title   = ($direct_access ? $l_access_welcome     : ($network_pb ? $l_access_unavailable : $l_access_denied));
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}
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}
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// Search blacklist categories
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// Search blacklist categories
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if ((!$direct_access) && (!$network_pb) && (!isset($_GET['warn']))) {
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if ((!$direct_access) && (!$network_pb) && (!isset($_GET['warn']))) {
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        $pattern = str_replace('www.', '', $_SERVER['HTTP_HOST']);
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        $pattern = str_replace('www.', '', $_SERVER['HTTP_HOST']);
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        $output = [];
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        $categories = [];
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        exec('grep -Re ' . escapeshellarg('^'.$pattern.'$') . " /etc/e2guardian/lists/blacklists/*/domains | cut -d'/' -f6", $output);
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        exec('grep -Re ' . escapeshellarg('^'.$pattern.'$') . " /etc/e2guardian/lists/blacklists/*/domains | cut -d'/' -f6", $categories);
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        $lists = [];
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        foreach ($output as $line) {
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                $lists[] = $line;
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        }
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        $filteredUrlHtml = $l_required_domain.' : '.htmlspecialchars($_SERVER['HTTP_HOST']);
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        $filteredUrlHtml = $l_required_domain.' : '.htmlspecialchars($_SERVER['HTTP_HOST']);
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        if (!empty($lists)) {
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        if (!empty($categories)) {
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                $filteredUrlHtml .= "<br>$l_category ".implode(', ', $lists);
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                $filteredUrlHtml .= "<br>$l_category ".implode(', ', $categories);
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        }
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        }
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}
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}
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// Cleaning the cache
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// Cleaning the cache
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header('Expires: Tue, 01 Jan 2000 00:00:00 GMT');
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header('Expires: Tue, 01 Jan 2000 00:00:00 GMT');