current code from svn, revision 62608

32 files changed, 786 insertions, 0 deletions

diff --git a/lib/exceptions/AccessDeniedException.php b/lib/exceptions/AccessDeniedException.php
new file mode 100644
index 0000000..778211d
--- /dev/null
+++ b/lib/exceptions/AccessDeniedException.php
@@ -0,0 +1,49 @@
+<?php
+/**
+ * AccessDeniedException.php
+ *
+ * Use this exception whenever a user tries to access a restricted part of the
+ * system without having the required permissions.
+ *
+ * @author   Marcus Lunzenauer <mlunzena@uos.de>
+ * @license  http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category Stud.IP
+ */
+class AccessDeniedException extends Exception
+{
+    private $details = [];
+
+    /**
+     * Constucts the exception
+     * @param string    $message  Exception message
+     * @param integer   $code     Exception code
+     * @param Exception $previous Previous exception (optional)
+     */
+    public function __construct($message = '', $code = 0, Exception $previous = null)
+    {
+        if (func_num_args() === 0) {
+            $message = _('Sie haben nicht die Berechtigung, diese Aktion '
+                       . 'auszuführen bzw. diesen Teil des Systems zu betreten.');
+        }
+
+        parent::__construct($message, $code, $previous);
+    }
+
+    /**
+     * Set additional details for the exception.
+     * @param array $details Additional details
+     */
+    public function setDetails(array $details)
+    {
+        $this->details = $details;
+    }
+
+    /**
+     * Get the additional details for the exception.
+     * @return array Additional details
+     */
+    public function getDetails()
+    {
+        return $this->details;
+    }
+}
diff --git a/lib/exceptions/CheckObjectException.php b/lib/exceptions/CheckObjectException.php
new file mode 100644
index 0000000..2ffb2c4
--- /dev/null
+++ b/lib/exceptions/CheckObjectException.php
@@ -0,0 +1,18 @@
+<?php
+# Lifter010: DONE
+/**
+ * CheckObjectException.php - indicates that no object is selected
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Elmar Ludwig
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+*/
+
+class CheckObjectException extends Exception
+{
+}
diff --git a/lib/exceptions/ClipboardException.class.php b/lib/exceptions/ClipboardException.class.php
new file mode 100644
index 0000000..676da93
--- /dev/null
+++ b/lib/exceptions/ClipboardException.class.php
@@ -0,0 +1,25 @@
+<?php
+
+/**
+ * ClipboardException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2019
+ * @since       4.5
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This exception is thrown when a clipboard functionality cannot work
+ * as expected.
+ */
+class ClipboardException extends Exception
+{
+
+}
diff --git a/lib/exceptions/InvalidSecurityTokenException.php b/lib/exceptions/InvalidSecurityTokenException.php
new file mode 100644
index 0000000..134f54d
--- /dev/null
+++ b/lib/exceptions/InvalidSecurityTokenException.php
@@ -0,0 +1,26 @@
+<?php
+/**
+ * InvalidSecurityTokenException.php
+ *
+ * This exception is thrown when a request does not verify its authenticity.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      mlunzena@uos.de
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+class InvalidSecurityTokenException extends AccessDeniedException
+{
+    /**
+     * @param string this parameter is ignored but required by PHP
+     */
+    public function __construct($message = '', $code = 0, Exception $previous = null)
+    {
+        parent::__construct(_('Ungültiges oder fehlendes Sicherheits-Token.'));
+    }
+}
diff --git a/lib/exceptions/InvalidValuesException.php b/lib/exceptions/InvalidValuesException.php
new file mode 100644
index 0000000..aa86e2f
--- /dev/null
+++ b/lib/exceptions/InvalidValuesException.php
@@ -0,0 +1,37 @@
+<?php
+/**
+ * InvalidValuesException.php
+ * Exception class used by validation of forms.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ * 
+ * @author      Peter Thienel <thienel@data-quest.de>
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ * @since       3.5
+ */
+
+class InvalidValuesException extends Exception
+{
+    private $checked = [];
+    
+    /**
+     * Constructor
+     * 
+     * @param string $message The error message
+     * @param array $checked Associative array
+     */
+    public function __construct($message, $checked)
+    {
+        $this->checked = $checked;
+        parent::__construct($message);
+    }
+    
+    public function getChecked()
+    {
+        return $this->checked;
+    }
+}
\ No newline at end of file
diff --git a/lib/exceptions/LoginException.php b/lib/exceptions/LoginException.php
new file mode 100644
index 0000000..9b83cb6
--- /dev/null
+++ b/lib/exceptions/LoginException.php
@@ -0,0 +1,24 @@
+<?php
+# Lifter010: DONE
+/**
+ * LoginException.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+*/
+
+/**
+ * Class LoginException
+ * If this exception is thrown, the user will get the login-screen immediately.
+ * If the user already was logged in he/she gets logged out and then to the login-screen.
+ *
+ *     if ($GLOBALS['user']->id === "nobody") {
+ *         throw new LoginException();
+ *     }
+ */
+class LoginException extends Exception
+{
+}
diff --git a/lib/exceptions/MethodNotAllowedException.php b/lib/exceptions/MethodNotAllowedException.php
new file mode 100644
index 0000000..75f3b10
--- /dev/null
+++ b/lib/exceptions/MethodNotAllowedException.php
@@ -0,0 +1,23 @@
+<?php
+/**
+ * MethodNotAllowedException.php
+ *
+ * This exceptions is thrown when a request's method is not allowed.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      mlunzena@uos.de
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+class MethodNotAllowedException extends Exception
+{
+    public function __construct($message = '', $code = 0, Exception $previous = null)
+    {
+        parent::__construct($message ?: _('Unzulässige Request-Methode beim Aufruf.'), $code, $previous);
+    }
+}
diff --git a/lib/exceptions/OverlapException.php b/lib/exceptions/OverlapException.php
new file mode 100644
index 0000000..efac6e5
--- /dev/null
+++ b/lib/exceptions/OverlapException.php
@@ -0,0 +1,29 @@
+<?php
+/**
+ * Exception class used to report overlapping errors
+ *
+ * @author  Jan-Hendrik Willms <tleilax+studip@gmail.com>
+ * @license GPL2 or any later version
+ * @since   Stud.IP 4.3
+ */
+class OverlapException extends Exception
+{
+    protected $details;
+
+    public function __construct($message = '', array $details = [])
+    {
+        parent::__construct($message);
+
+        $this->setDetails($details);
+    }
+
+    public function setDetails(array $details)
+    {
+        $this->details = $details;
+    }
+
+    public function getDetails()
+    {
+        return $this->details;
+    }
+}
diff --git a/lib/exceptions/PluginInstallationException.php b/lib/exceptions/PluginInstallationException.php
new file mode 100644
index 0000000..e4ff89e
--- /dev/null
+++ b/lib/exceptions/PluginInstallationException.php
@@ -0,0 +1,7 @@
+<?php
+/**
+ * Exception class used to report plugin install errors.
+ */
+class PluginInstallationException extends Exception
+{
+}
diff --git a/lib/exceptions/PluginNotFoundException.php b/lib/exceptions/PluginNotFoundException.php
new file mode 100644
index 0000000..7b61ab3
--- /dev/null
+++ b/lib/exceptions/PluginNotFoundException.php
@@ -0,0 +1,17 @@
+<?php
+# Lifter010: TODO
+/**
+ * PluginNotFoundException.php - the requested plugin could not be found
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Marcus Lunzenauer <mlunzena@uos.de>
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+class PluginNotFoundException extends Exception {
+}
diff --git a/lib/exceptions/SessionRequiredException.php b/lib/exceptions/SessionRequiredException.php
new file mode 100644
index 0000000..a90c679
--- /dev/null
+++ b/lib/exceptions/SessionRequiredException.php
@@ -0,0 +1,26 @@
+<?php
+/**
+ * SessionRequiredException.php
+ *
+ * This exception is thrown when a token should have been stored in a
+ * non-existant session.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      mlunzena@uos.de
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+class SessionRequiredException extends Exception
+{
+    /**
+     * @param string this parameter is ignored but required by PHP
+     */
+    function __construct($message = NULL) {
+        parent::__construct(_("Fehlende Session."));
+    }
+}
diff --git a/lib/exceptions/StudipException.php b/lib/exceptions/StudipException.php
new file mode 100644
index 0000000..e9bbf3d
--- /dev/null
+++ b/lib/exceptions/StudipException.php
@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * StudipException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2019
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This class is a specialisation of the standard Exception class
+ * with a specialisation to display exception data in Message boxes.
+ */
+class StudipException extends Exception
+{
+    protected $data = [];
+
+
+    public function __construct($message = '', Array $data = [], $code = 0, Throwable $previous = null)
+    {
+        parent::__construct($message, $code, $previous);
+        $this->data = $data;
+    }
+
+    public function getData()
+    {
+        return $this->data;
+    }
+}
diff --git a/lib/exceptions/resources/GlobalResourceLockException.class.php b/lib/exceptions/resources/GlobalResourceLockException.class.php
new file mode 100644
index 0000000..165843f
--- /dev/null
+++ b/lib/exceptions/resources/GlobalResourceLockException.class.php
@@ -0,0 +1,25 @@
+<?php
+
+/**
+ * GlobalResourceLockException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2017-2019
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ * @since       4.5
+ */
+
+/**
+ * This exception is thrown when a general error occurs when dealing with
+ * GlobalResourceLock objects.
+ */
+class GlobalResourceLockException extends InvalidArgumentException
+{
+
+}
diff --git a/lib/exceptions/resources/GlobalResourceLockOverlapException.class.php b/lib/exceptions/resources/GlobalResourceLockOverlapException.class.php
new file mode 100644
index 0000000..6b05cf5
--- /dev/null
+++ b/lib/exceptions/resources/GlobalResourceLockOverlapException.class.php
@@ -0,0 +1,25 @@
+<?php
+
+/**
+ * GlobalResourceLockOverlapException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2017-2019
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ * @since       4.5
+ */
+
+/**
+ * This exception is thrown when a global resource lock overlaps
+ * with another global resource lock.
+ */
+class GlobalResourceLockOverlapException extends InvalidArgumentException
+{
+
+}
diff --git a/lib/exceptions/resources/InvalidResourceCategoryException.class.php b/lib/exceptions/resources/InvalidResourceCategoryException.class.php
new file mode 100644
index 0000000..df4d36c
--- /dev/null
+++ b/lib/exceptions/resources/InvalidResourceCategoryException.class.php
@@ -0,0 +1,25 @@
+<?php
+
+/**
+ * InvalidResourceCategoryException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2017
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This exception is thrown when a resource category does not exist
+ * or a resource is used with a resource category that does not match
+ * or when a resource category cannot be created due to invalid data.
+ */
+class InvalidResourceCategoryException extends InvalidArgumentException
+{
+
+}
diff --git a/lib/exceptions/resources/InvalidResourceClassException.class.php b/lib/exceptions/resources/InvalidResourceClassException.class.php
new file mode 100644
index 0000000..8420a83
--- /dev/null
+++ b/lib/exceptions/resources/InvalidResourceClassException.class.php
@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * InvalidResourceClassException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2017
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This exception is thrown when a Resource object has an
+ * invalid class_name property.
+ */
+class InvalidResourceClassException extends Exception
+{
+
+}
diff --git a/lib/exceptions/resources/InvalidResourceException.class.php b/lib/exceptions/resources/InvalidResourceException.class.php
new file mode 100644
index 0000000..e9850b8
--- /dev/null
+++ b/lib/exceptions/resources/InvalidResourceException.class.php
@@ -0,0 +1,25 @@
+<?php
+
+/**
+ * InvalidResourceException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2017
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This exception is thrown when a resource is invalid,
+ * either because of its place in the resource hierarchy
+ * or because it has been initialised with the wrong Resource class.
+ */
+class InvalidResourceException extends InvalidArgumentException
+{
+
+}
diff --git a/lib/exceptions/resources/InvalidResourceRequestException.class.php b/lib/exceptions/resources/InvalidResourceRequestException.class.php
new file mode 100644
index 0000000..8ec9dab
--- /dev/null
+++ b/lib/exceptions/resources/InvalidResourceRequestException.class.php
@@ -0,0 +1,22 @@
+<?php
+
+/**
+ * InvalidResourceRequestException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2020
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This exception is thrown when a resource request is invalid.
+ */
+class InvalidResourceRequestException extends InvalidArgumentException
+{
+}
diff --git a/lib/exceptions/resources/NoResourceClassException.class.php b/lib/exceptions/resources/NoResourceClassException.class.php
new file mode 100644
index 0000000..74e68fd
--- /dev/null
+++ b/lib/exceptions/resources/NoResourceClassException.class.php
@@ -0,0 +1,11 @@
+<?php
+
+
+/**
+ * This exception is thrown in cases where a class name of a
+ * class which is derived from the base Resource class
+ * is expected but not available.
+ */
+class NoResourceClassException extends Exception
+{
+}
diff --git a/lib/exceptions/resources/ResourceBookingException.class.php b/lib/exceptions/resources/ResourceBookingException.class.php
new file mode 100644
index 0000000..c1db11c
--- /dev/null
+++ b/lib/exceptions/resources/ResourceBookingException.class.php
@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * ResourceBookingException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2017
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This exception is thrown when a general error occurs when dealing with
+ * ResourceBooking objects.
+ */
+class ResourceBookingException extends InvalidArgumentException
+{
+
+}
diff --git a/lib/exceptions/resources/ResourceBookingOverlapException.class.php b/lib/exceptions/resources/ResourceBookingOverlapException.class.php
new file mode 100644
index 0000000..f59cc39
--- /dev/null
+++ b/lib/exceptions/resources/ResourceBookingOverlapException.class.php
@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * ResourceBookingOverlapException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2017
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This exception is thrown when a resource booking overlaps with
+ * other resource bookings or with a resource lock.
+ */
+class ResourceBookingOverlapException extends InvalidArgumentException
+{
+
+}
diff --git a/lib/exceptions/resources/ResourceBookingRangeException.class.php b/lib/exceptions/resources/ResourceBookingRangeException.class.php
new file mode 100644
index 0000000..50e7144
--- /dev/null
+++ b/lib/exceptions/resources/ResourceBookingRangeException.class.php
@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * ResourceBookingRangeException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2017
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This exception is thrown when a resource booking has an invalid range-ID
+ * or if a resource booking shall be created and no range-ID is given.
+ */
+class ResourceBookingRangeException extends InvalidArgumentException
+{
+
+}
diff --git a/lib/exceptions/resources/ResourceException.class.php b/lib/exceptions/resources/ResourceException.class.php
new file mode 100644
index 0000000..686cc33
--- /dev/null
+++ b/lib/exceptions/resources/ResourceException.class.php
@@ -0,0 +1,23 @@
+<?php
+
+/**
+ * ResourceException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2017
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This exception is a general exception in the resource management.
+ */
+class ResourceException extends InvalidArgumentException
+{
+
+}
diff --git a/lib/exceptions/resources/ResourceNoTimeRangeException.class.php b/lib/exceptions/resources/ResourceNoTimeRangeException.class.php
new file mode 100644
index 0000000..891b583
--- /dev/null
+++ b/lib/exceptions/resources/ResourceNoTimeRangeException.class.php
@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * ResourceNoTimeRangeException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2017
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This exception is thrown when at least one time range is required
+ * in a method but no time range is provided.
+ */
+class ResourceNoTimeRangeException extends InvalidArgumentException
+{
+
+}
diff --git a/lib/exceptions/resources/ResourcePermissionException.class.php b/lib/exceptions/resources/ResourcePermissionException.class.php
new file mode 100644
index 0000000..3a0c919
--- /dev/null
+++ b/lib/exceptions/resources/ResourcePermissionException.class.php
@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * ResourcePermissionException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2017
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This exception is thrown when resource permissions are invalid
+ * or insufficient to perform an action on a resource.
+ */
+class ResourcePermissionException extends InvalidArgumentException
+{
+
+}
diff --git a/lib/exceptions/resources/ResourcePropertyDefinitionException.class.php b/lib/exceptions/resources/ResourcePropertyDefinitionException.class.php
new file mode 100644
index 0000000..963ca64
--- /dev/null
+++ b/lib/exceptions/resources/ResourcePropertyDefinitionException.class.php
@@ -0,0 +1,25 @@
+<?php
+
+/**
+ * ResourcePropertyDefinitionException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2017
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This exception is thrown when a resource property definition is requested
+ * but not defined for the resource property or if it is defined
+ * but cannot be stored.
+ */
+class ResourcePropertyDefinitionException extends InvalidArgumentException
+{
+
+}
diff --git a/lib/exceptions/resources/ResourcePropertyException.class.php b/lib/exceptions/resources/ResourcePropertyException.class.php
new file mode 100644
index 0000000..83f871f
--- /dev/null
+++ b/lib/exceptions/resources/ResourcePropertyException.class.php
@@ -0,0 +1,25 @@
+<?php
+
+/**
+ * ResourcePropertyException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2017
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This exception is thrown when a resource property is requested
+ * but not defined for the resource type or if it is defined
+ * but cannot be stored.
+ */
+class ResourcePropertyException extends InvalidArgumentException
+{
+
+}
diff --git a/lib/exceptions/resources/ResourcePropertyStateException.class.php b/lib/exceptions/resources/ResourcePropertyStateException.class.php
new file mode 100644
index 0000000..1880265
--- /dev/null
+++ b/lib/exceptions/resources/ResourcePropertyStateException.class.php
@@ -0,0 +1,23 @@
+<?php
+
+/**
+ * ResourcePropertyStateException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2017
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This exception is thrown when a resource property state is invalid.
+ */
+class ResourcePropertyStateException extends InvalidArgumentException
+{
+
+}
diff --git a/lib/exceptions/resources/ResourceRequestException.class.php b/lib/exceptions/resources/ResourceRequestException.class.php
new file mode 100644
index 0000000..1e8d071
--- /dev/null
+++ b/lib/exceptions/resources/ResourceRequestException.class.php
@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * ResourceRequestException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2017
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This exception is thrown when a resource request cannot be stored
+ * or another fatal error occurs when hanlding a ResourceRequest object.
+ */
+class ResourceRequestException extends InvalidArgumentException
+{
+
+}
diff --git a/lib/exceptions/resources/ResourceUnavailableException.class.php b/lib/exceptions/resources/ResourceUnavailableException.class.php
new file mode 100644
index 0000000..b335d14
--- /dev/null
+++ b/lib/exceptions/resources/ResourceUnavailableException.class.php
@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * ResourceUnavailableException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2017
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This exception is thrown when a resource is requested
+ * but no resource request can be created for it.
+ */
+class ResourceUnavailableException extends Exception
+{
+
+}
diff --git a/lib/exceptions/resources/ResourceUnlockableException.class.php b/lib/exceptions/resources/ResourceUnlockableException.class.php
new file mode 100644
index 0000000..11bc92b
--- /dev/null
+++ b/lib/exceptions/resources/ResourceUnlockableException.class.php
@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * ResourceUnlockableException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2017
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This exception is thrown when a resource shall be locked
+ * but no resource lock can be created for it.
+ */
+class ResourceUnlockableException extends Exception
+{
+
+}
diff --git a/lib/exceptions/resources/SeparableRoomException.class.php b/lib/exceptions/resources/SeparableRoomException.class.php
new file mode 100644
index 0000000..78c9912
--- /dev/null
+++ b/lib/exceptions/resources/SeparableRoomException.class.php
@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * SeparableRoomException.class.php
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Moritz Strohm <strohm@data-quest.de>
+ * @copyright   2019
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+/**
+ * This exception is intended to be used in case of errors that are
+ * related to separable rooms.
+ */
+class SeparableRoomException extends InvalidArgumentException
+{
+
+}