4 files changed, 190 insertions, 67 deletions

diff --git a/application/security/BanManager.php b/application/security/BanManager.php
index 68190c54..288cbde0 100644
--- a/application/security/BanManager.php
+++ b/application/security/BanManager.php
@@ -3,7 +3,8 @@
 
 namespace Shaarli\Security;
 
-use Shaarli\FileUtils;
+use Psr\Log\LoggerInterface;
+use Shaarli\Helper\FileUtils;
 
 /**
  * Class BanManager
@@ -28,8 +29,8 @@ class BanManager
     /** @var string Path to the file containing IP bans and failures */
     protected $banFile;
 
-    /** @var string Path to the log file, used to log bans */
-    protected $logFile;
+    /** @var LoggerInterface Path to the log file, used to log bans */
+    protected $logger;
 
     /** @var array List of IP with their associated number of failed attempts */
     protected $failures = [];
@@ -40,18 +41,19 @@ class BanManager
     /**
      * BanManager constructor.
      *
-     * @param array  $trustedProxies List of allowed proxies IP
-     * @param int    $nbAttempts     Number of allowed failed attempt before the ban
-     * @param int    $banDuration    Ban duration in seconds
-     * @param string $banFile        Path to the file containing IP bans and failures
-     * @param string $logFile        Path to the log file, used to log bans
+     * @param array           $trustedProxies List of allowed proxies IP
+     * @param int             $nbAttempts     Number of allowed failed attempt before the ban
+     * @param int             $banDuration    Ban duration in seconds
+     * @param string          $banFile        Path to the file containing IP bans and failures
+     * @param LoggerInterface $logger         PSR-3 logger to save login attempts in log directory
      */
-    public function __construct($trustedProxies, $nbAttempts, $banDuration, $banFile, $logFile) {
+    public function __construct($trustedProxies, $nbAttempts, $banDuration, $banFile, LoggerInterface $logger) {
         $this->trustedProxies = $trustedProxies;
         $this->nbAttempts = $nbAttempts;
         $this->banDuration = $banDuration;
         $this->banFile = $banFile;
-        $this->logFile = $logFile;
+        $this->logger = $logger;
+
         $this->readBanFile();
     }
 
@@ -78,11 +80,7 @@ class BanManager
 
         if ($this->failures[$ip] >= $this->nbAttempts) {
             $this->bans[$ip] = time() + $this->banDuration;
-            logm(
-                $this->logFile,
-                $server['REMOTE_ADDR'],
-                'IP address banned from login: '. $ip
-            );
+            $this->logger->info(format_log('IP address banned from login: '. $ip, $ip));
         }
         $this->writeBanFile();
     }
@@ -138,7 +136,7 @@ class BanManager
             unset($this->failures[$ip]);
         }
         unset($this->bans[$ip]);
-        logm($this->logFile, $server['REMOTE_ADDR'], 'Ban lifted for: '. $ip);
+        $this->logger->info(format_log('Ban lifted for: '. $ip, $ip));
 
         $this->writeBanFile();
         return false;
diff --git a/application/security/CookieManager.php b/application/security/CookieManager.php
new file mode 100644
index 00000000..cde4746e
--- /dev/null
+++ b/application/security/CookieManager.php
@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Security;
+
+class CookieManager
+{
+    /** @var string Name of the cookie set after logging in **/
+    public const STAY_SIGNED_IN = 'shaarli_staySignedIn';
+
+    /** @var mixed $_COOKIE set by reference */
+    protected $cookies;
+
+    public function __construct(array &$cookies)
+    {
+        $this->cookies = $cookies;
+    }
+
+    public function setCookieParameter(string $key, string $value, int $expires, string $path): self
+    {
+        $this->cookies[$key] = $value;
+
+        setcookie($key, $value, $expires, $path);
+
+        return $this;
+    }
+
+    public function getCookieParameter(string $key, string $default = null): ?string
+    {
+        return $this->cookies[$key] ?? $default;
+    }
+}
diff --git a/application/security/LoginManager.php b/application/security/LoginManager.php
index 39ec9b2e..426e785e 100644
--- a/application/security/LoginManager.php
+++ b/application/security/LoginManager.php
@@ -2,6 +2,7 @@
 namespace Shaarli\Security;
 
 use Exception;
+use Psr\Log\LoggerInterface;
 use Shaarli\Config\ConfigManager;
 
 /**
@@ -9,9 +10,6 @@ use Shaarli\Config\ConfigManager;
  */
 class LoginManager
 {
-    /** @var string Name of the cookie set after logging in **/
-    public static $STAY_SIGNED_IN_COOKIE = 'shaarli_staySignedIn';
-
     /** @var array A reference to the $_GLOBALS array */
     protected $globals = [];
 
@@ -32,24 +30,32 @@ class LoginManager
 
     /** @var string User sign-in token depending on remote IP and credentials */
     protected $staySignedInToken = '';
+    /** @var CookieManager */
+    protected $cookieManager;
+    /** @var LoggerInterface */
+    protected $logger;
 
     /**
      * Constructor
      *
-     * @param ConfigManager  $configManager  Configuration Manager instance
+     * @param ConfigManager $configManager Configuration Manager instance
      * @param SessionManager $sessionManager SessionManager instance
+     * @param CookieManager $cookieManager CookieManager instance
+     * @param BanManager $banManager
+     * @param LoggerInterface $logger Used to log login attempts
      */
-    public function __construct($configManager, $sessionManager)
-    {
+    public function __construct(
+        ConfigManager $configManager,
+        SessionManager $sessionManager,
+        CookieManager $cookieManager,
+        BanManager $banManager,
+        LoggerInterface $logger
+    ) {
         $this->configManager = $configManager;
         $this->sessionManager = $sessionManager;
-        $this->banManager = new BanManager(
-            $this->configManager->get('security.trusted_proxies', []),
-            $this->configManager->get('security.ban_after'),
-            $this->configManager->get('security.ban_duration'),
-            $this->configManager->get('resource.ban_file', 'data/ipbans.php'),
-            $this->configManager->get('resource.log')
-        );
+        $this->cookieManager = $cookieManager;
+        $this->banManager = $banManager;
+        $this->logger = $logger;
 
         if ($this->configManager->get('security.open_shaarli') === true) {
             $this->openShaarli = true;
@@ -86,10 +92,9 @@ class LoginManager
     /**
      * Check user session state and validity (expiration)
      *
-     * @param array  $cookie     The $_COOKIE array
      * @param string $clientIpId Client IP address identifier
      */
-    public function checkLoginState($cookie, $clientIpId)
+    public function checkLoginState($clientIpId)
     {
         if (! $this->configManager->exists('credentials.login')) {
             // Shaarli is not configured yet
@@ -97,9 +102,7 @@ class LoginManager
             return;
         }
 
-        if (isset($cookie[self::$STAY_SIGNED_IN_COOKIE])
-            && $cookie[self::$STAY_SIGNED_IN_COOKIE] === $this->staySignedInToken
-        ) {
+        if ($this->staySignedInToken === $this->cookieManager->getCookieParameter(CookieManager::STAY_SIGNED_IN)) {
             // The user client has a valid stay-signed-in cookie
             // Session information is updated with the current client information
             $this->sessionManager->storeLoginInfo($clientIpId);
@@ -120,7 +123,7 @@ class LoginManager
      *
      * @return true when the user is logged in, false otherwise
      */
-    public function isLoggedIn()
+    public function isLoggedIn(): bool
     {
         if ($this->openShaarli) {
             return true;
@@ -131,48 +134,34 @@ class LoginManager
     /**
      * Check user credentials are valid
      *
-     * @param string $remoteIp   Remote client IP address
      * @param string $clientIpId Client IP address identifier
      * @param string $login      Username
      * @param string $password   Password
      *
      * @return bool true if the provided credentials are valid, false otherwise
      */
-    public function checkCredentials($remoteIp, $clientIpId, $login, $password)
+    public function checkCredentials($clientIpId, $login, $password)
     {
-        // Check login matches config
-        if ($login !== $this->configManager->get('credentials.login')) {
-            return false;
-        }
-
         // Check credentials
         try {
             $useLdapLogin = !empty($this->configManager->get('ldap.host'));
-            if ((false === $useLdapLogin && $this->checkCredentialsFromLocalConfig($login, $password))
-                || (true === $useLdapLogin && $this->checkCredentialsFromLdap($login, $password))
+            if ($login === $this->configManager->get('credentials.login')
+                && (
+                    (false === $useLdapLogin && $this->checkCredentialsFromLocalConfig($login, $password))
+                    || (true === $useLdapLogin && $this->checkCredentialsFromLdap($login, $password))
+                )
             ) {
-                    $this->sessionManager->storeLoginInfo($clientIpId);
-                    logm(
-                        $this->configManager->get('resource.log'),
-                        $remoteIp,
-                        'Login successful'
-                    );
-                    return true;
+                $this->sessionManager->storeLoginInfo($clientIpId);
+                $this->logger->info(format_log('Login successful', $clientIpId));
+
+                return true;
             }
-        }
-        catch(Exception $exception) {
-            logm(
-                $this->configManager->get('resource.log'),
-                $remoteIp,
-                'Exception while checking credentials: ' . $exception
-            );
+        } catch(Exception $exception) {
+            $this->logger->info(format_log('Exception while checking credentials: ' . $exception, $clientIpId));
         }
 
-        logm(
-            $this->configManager->get('resource.log'),
-            $remoteIp,
-            'Login failed for user ' . $login
-        );
+        $this->logger->info(format_log('Login failed for user ' . $login, $clientIpId));
+
         return false;
     }
 
diff --git a/application/security/SessionManager.php b/application/security/SessionManager.php
index 994fcbe5..96bf193c 100644
--- a/application/security/SessionManager.php
+++ b/application/security/SessionManager.php
@@ -8,6 +8,14 @@ use Shaarli\Config\ConfigManager;
  */
 class SessionManager
 {
+    public const KEY_LINKS_PER_PAGE = 'LINKS_PER_PAGE';
+    public const KEY_VISIBILITY = 'visibility';
+    public const KEY_UNTAGGED_ONLY = 'untaggedonly';
+
+    public const KEY_SUCCESS_MESSAGES = 'successes';
+    public const KEY_WARNING_MESSAGES = 'warnings';
+    public const KEY_ERROR_MESSAGES = 'errors';
+
     /** @var int Session expiration timeout, in seconds */
     public static $SHORT_TIMEOUT = 3600;    // 1 hour
 
@@ -23,16 +31,35 @@ class SessionManager
     /** @var bool Whether the user should stay signed in (LONG_TIMEOUT) */
     protected $staySignedIn = false;
 
+    /** @var string */
+    protected $savePath;
+
     /**
      * Constructor
      *
-     * @param array         $session The $_SESSION array (reference)
-     * @param ConfigManager $conf    ConfigManager instance
+     * @param array         $session  The $_SESSION array (reference)
+     * @param ConfigManager $conf     ConfigManager instance
+     * @param string        $savePath Session save path returned by builtin function session_save_path()
      */
-    public function __construct(& $session, $conf)
+    public function __construct(&$session, $conf, string $savePath)
     {
         $this->session = &$session;
         $this->conf = $conf;
+        $this->savePath = $savePath;
+    }
+
+    /**
+     * Initialize XSRF token and links per page session variables.
+     */
+    public function initialize(): void
+    {
+        if (!isset($this->session['tokens'])) {
+            $this->session['tokens'] = [];
+        }
+
+        if (!isset($this->session['LINKS_PER_PAGE'])) {
+            $this->session['LINKS_PER_PAGE'] = $this->conf->get('general.links_per_page', 20);
+        }
     }
 
     /**
@@ -156,7 +183,6 @@ class SessionManager
             unset($this->session['expires_on']);
             unset($this->session['username']);
             unset($this->session['visibility']);
-            unset($this->session['untaggedonly']);
         }
     }
 
@@ -202,4 +228,81 @@ class SessionManager
     {
         return $this->session;
     }
+
+    /**
+     * @param mixed $default value which will be returned if the $key is undefined
+     *
+     * @return mixed Content stored in session
+     */
+    public function getSessionParameter(string $key, $default = null)
+    {
+        return $this->session[$key] ?? $default;
+    }
+
+    /**
+     * Store a variable in user session.
+     *
+     * @param string $key   Session key
+     * @param mixed  $value Session value to store
+     *
+     * @return $this
+     */
+    public function setSessionParameter(string $key, $value): self
+    {
+        $this->session[$key] = $value;
+
+        return $this;
+    }
+
+    /**
+     * Store a variable in user session.
+     *
+     * @param string $key   Session key
+     *
+     * @return $this
+     */
+    public function deleteSessionParameter(string $key): self
+    {
+        unset($this->session[$key]);
+
+        return $this;
+    }
+
+    public function getSavePath(): string
+    {
+        return $this->savePath;
+    }
+
+    /*
+     * Next public functions wrapping native PHP session API.
+     */
+
+    public function destroy(): bool
+    {
+        $this->session = [];
+
+        return session_destroy();
+    }
+
+    public function start(): bool
+    {
+        if (session_status() === PHP_SESSION_ACTIVE) {
+            $this->destroy();
+        }
+
+        return session_start();
+    }
+
+    /**
+     * Be careful, return type of session_set_cookie_params() changed between PHP 7.1 and 7.2.
+     */
+    public function cookieParameters(int $lifeTime, string $path, string $domain): void
+    {
+        session_set_cookie_params($lifeTime, $path, $domain);
+    }
+
+    public function regenerateId(bool $deleteOldSession = false): bool
+    {
+        return session_regenerate_id($deleteOldSession);
+    }
 }