Move session ID check to SessionManager

Relates to https://github.com/shaarli/Shaarli/issues/324

Changed:
- `is_session_id_valid()` -> `SessionManager::checkId()`
- update tests

Signed-off-by: VirtualTam <virtualtam@flibidi.net>

2 files changed, 66 insertions, 59 deletions

diff --git a/tests/SessionManagerTest.php b/tests/SessionManagerTest.php
index 3a270303..9fa60dc5 100644
--- a/tests/SessionManagerTest.php
+++ b/tests/SessionManagerTest.php
@@ -1,8 +1,12 @@
 <?php
-namespace Shaarli;
+// Initialize reference data _before_ PHPUnit starts a session
+require_once 'tests/utils/ReferenceSessionIdHashes.php';
+ReferenceSessionIdHashes::genAllHashes();
 
+use \Shaarli\SessionManager;
 use \PHPUnit\Framework\TestCase;
 
+
 /**
  * Fake ConfigManager
  */
@@ -20,6 +24,17 @@ class FakeConfigManager
  */
 class SessionManagerTest extends TestCase
 {
+    // Session ID hashes
+    protected static $sidHashes = null;
+
+    /**
+     * Assign reference data
+     */
+    public static function setUpBeforeClass()
+    {
+        self::$sidHashes = ReferenceSessionIdHashes::getHashes();
+    }
+
     /**
      * Generate a session token
      */
@@ -69,4 +84,54 @@ class SessionManagerTest extends TestCase
 
         $this->assertFalse($sessionManager->checkToken('4dccc3a45ad9d03e5542b90c37d8db6d10f2b38b'));
     }
+
+    /**
+     * Test SessionManager::checkId with a valid ID - TEST ALL THE HASHES!
+     *
+     * This tests extensively covers all hash algorithms / bit representations
+     */
+    public function testIsAnyHashSessionIdValid()
+    {
+        foreach (self::$sidHashes as $algo => $bpcs) {
+            foreach ($bpcs as $bpc => $hash) {
+                $this->assertTrue(SessionManager::checkId($hash));
+            }
+        }
+    }
+
+    /**
+     * Test checkId with a valid ID - SHA-1 hashes
+     */
+    public function testIsSha1SessionIdValid()
+    {
+        $this->assertTrue(SessionManager::checkId(sha1('shaarli')));
+    }
+
+    /**
+     * Test checkId with a valid ID - SHA-256 hashes
+     */
+    public function testIsSha256SessionIdValid()
+    {
+        $this->assertTrue(SessionManager::checkId(hash('sha256', 'shaarli')));
+    }
+
+    /**
+     * Test checkId with a valid ID - SHA-512 hashes
+     */
+    public function testIsSha512SessionIdValid()
+    {
+        $this->assertTrue(SessionManager::checkId(hash('sha512', 'shaarli')));
+    }
+
+    /**
+     * Test checkId with invalid IDs.
+     */
+    public function testIsSessionIdInvalid()
+    {
+        $this->assertFalse(SessionManager::checkId(''));
+        $this->assertFalse(SessionManager::checkId([]));
+        $this->assertFalse(
+            SessionManager::checkId('c0ZqcWF3VFE2NmJBdm1HMVQ0ZHJ3UmZPbTFsNGhkNHI=')
+        );
+    }
 }
diff --git a/tests/UtilsTest.php b/tests/UtilsTest.php
index 840eaf21..6cd37a7a 100644
--- a/tests/UtilsTest.php
+++ b/tests/UtilsTest.php
@@ -5,10 +5,6 @@
 
 require_once 'application/Utils.php';
 require_once 'application/Languages.php';
-require_once 'tests/utils/ReferenceSessionIdHashes.php';
-
-// Initialize reference data before PHPUnit starts a session
-ReferenceSessionIdHashes::genAllHashes();
 
 
 /**
@@ -16,9 +12,6 @@ ReferenceSessionIdHashes::genAllHashes();
  */
 class UtilsTest extends PHPUnit_Framework_TestCase
 {
-    // Session ID hashes
-    protected static $sidHashes = null;
-
     // Log file
     protected static $testLogFile = 'tests.log';
 
@@ -30,13 +23,11 @@ class UtilsTest extends PHPUnit_Framework_TestCase
      */
     protected static $defaultTimeZone;
 
-
     /**
      * Assign reference data
      */
     public static function setUpBeforeClass()
     {
-        self::$sidHashes = ReferenceSessionIdHashes::getHashes();
         self::$defaultTimeZone = date_default_timezone_get();
         // Timezone without DST for test consistency
         date_default_timezone_set('Africa/Nairobi');
@@ -221,57 +212,8 @@ class UtilsTest extends PHPUnit_Framework_TestCase
         $this->assertEquals('?', generateLocation($ref, 'localhost'));
     }
 
-    /**
-     * Test is_session_id_valid with a valid ID - TEST ALL THE HASHES!
-     *
-     * This tests extensively covers all hash algorithms / bit representations
-     */
-    public function testIsAnyHashSessionIdValid()
-    {
-        foreach (self::$sidHashes as $algo => $bpcs) {
-            foreach ($bpcs as $bpc => $hash) {
-                $this->assertTrue(is_session_id_valid($hash));
-            }
-        }
-    }
 
     /**
-     * Test is_session_id_valid with a valid ID - SHA-1 hashes
-     */
-    public function testIsSha1SessionIdValid()
-    {
-        $this->assertTrue(is_session_id_valid(sha1('shaarli')));
-    }
-
-    /**
-     * Test is_session_id_valid with a valid ID - SHA-256 hashes
-     */
-    public function testIsSha256SessionIdValid()
-    {
-        $this->assertTrue(is_session_id_valid(hash('sha256', 'shaarli')));
-    }
-
-    /**
-     * Test is_session_id_valid with a valid ID - SHA-512 hashes
-     */
-    public function testIsSha512SessionIdValid()
-    {
-        $this->assertTrue(is_session_id_valid(hash('sha512', 'shaarli')));
-    }
-
-    /**
-     * Test is_session_id_valid with invalid IDs.
-     */
-    public function testIsSessionIdInvalid()
-    {
-        $this->assertFalse(is_session_id_valid(''));
-        $this->assertFalse(is_session_id_valid(array()));
-        $this->assertFalse(
-            is_session_id_valid('c0ZqcWF3VFE2NmJBdm1HMVQ0ZHJ3UmZPbTFsNGhkNHI=')
-        );
-    }
-    
-    /**
      * Test generateSecretApi.
      */
     public function testGenerateSecretApi()