Add Rich Object Definitions and a validator

Signed-off-by: Joas Schilling <coding@schilljs.com>

6 files changed, 446 insertions, 0 deletions

diff --git a/lib/private/AppFramework/DependencyInjection/DIContainer.php b/lib/private/AppFramework/DependencyInjection/DIContainer.php
index 21d5eaa9503..b2fdf86d9c2 100644
--- a/lib/private/AppFramework/DependencyInjection/DIContainer.php
+++ b/lib/private/AppFramework/DependencyInjection/DIContainer.php
@@ -44,10 +44,12 @@ use OC\AppFramework\Middleware\Security\SecurityMiddleware;
 use OC\AppFramework\Middleware\SessionMiddleware;
 use OC\AppFramework\Utility\SimpleContainer;
 use OC\Core\Middleware\TwoFactorMiddleware;
+use OC\RichObjectStrings\Validator;
 use OCP\AppFramework\IApi;
 use OCP\AppFramework\IAppContainer;
 use OCP\Files\IAppData;
 use OCP\Files\Mount\IMountManager;
+use OCP\RichObjectStrings\IValidator;
 
 class DIContainer extends SimpleContainer implements IAppContainer {
 
@@ -330,6 +332,10 @@ class DIContainer extends SimpleContainer implements IAppContainer {
 			return $this->getServer()->getEncryptionManager();
 		});
 
+		$this->registerService(IValidator::class, function($c) {
+			return $c->query(Validator::class);
+		});
+
 
 		/**
 		 * App Framework APIs
diff --git a/lib/private/RichObjectStrings/Validator.php b/lib/private/RichObjectStrings/Validator.php
new file mode 100644
index 00000000000..2729b4a3f1b
--- /dev/null
+++ b/lib/private/RichObjectStrings/Validator.php
@@ -0,0 +1,108 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC\RichObjectStrings;
+
+
+use OCP\RichObjectStrings\InvalidObjectExeption;
+use OCP\RichObjectStrings\IValidator;
+
+/**
+ * Class Validator
+ *
+ * @package OCP\RichObjectStrings
+ * @since 9.2.0
+ */
+class Validator implements IValidator  {
+
+	/** @var array[] */
+	protected $definitions;
+
+	/** @var array[] */
+	protected $requiredParameters = [];
+
+	/**
+	 * Constructor
+	 */
+	public function __construct() {
+		$this->definitions = json_decode(file_get_contents(__DIR__ . '/../../public/RichObjectStrings/definitions.json'), true);
+	}
+
+	/**
+	 * @param string $subject
+	 * @param array[] $parameters
+	 * @throws InvalidObjectExeption
+	 * @since 9.2.0
+	 */
+	public function validate($subject, array $parameters) {
+		$matches = [];
+		$result = preg_match_all('/\{([a-z0-9]+)\}/i', $subject, $matches);
+
+		if ($result === false) {
+			throw new InvalidObjectExeption();
+		}
+
+		if (!empty($matches[1])) {
+			foreach ($matches[1] as $parameter) {
+				if (!isset($parameters[$parameter])) {
+					throw new InvalidObjectExeption('Parameter is undefined');
+				} else {
+					$this->validateParameter($parameters[$parameter]);
+				}
+			}
+		}
+	}
+
+	/**
+	 * @param array $parameter
+	 * @throws InvalidObjectExeption
+	 */
+	protected function validateParameter(array $parameter) {
+		if (!isset($parameter['type']) || !isset($this->definitions[$parameter['type']])) {
+			throw new InvalidObjectExeption('Object type is undefined');
+		}
+
+		$requiredParameters = $this->getRequiredParameters($parameter['type']);
+		$missingKeys = array_diff($requiredParameters, array_keys($parameter));
+		if (!empty($missingKeys)) {
+			throw new InvalidObjectExeption('Object is invalid');
+		}
+	}
+
+	/**
+	 * @param string $type
+	 * @return string[]
+	 */
+	protected function getRequiredParameters($type) {
+		if (isset($this->requiredParameters[$type])) {
+			return $this->requiredParameters[$type];
+		}
+
+		$this->requiredParameters[$type] = [];
+		foreach ($this->definitions[$type]['parameters'] as $parameter => $data) {
+			if ($data['required']) {
+				$this->requiredParameters[$type][] = $parameter;
+			}
+		}
+
+		return $this->requiredParameters[$type];
+	}
+}
diff --git a/lib/public/RichObjectStrings/IValidator.php b/lib/public/RichObjectStrings/IValidator.php
new file mode 100644
index 00000000000..bba098bdfc1
--- /dev/null
+++ b/lib/public/RichObjectStrings/IValidator.php
@@ -0,0 +1,39 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCP\RichObjectStrings;
+
+/**
+ * Class Validator
+ *
+ * @package OCP\RichObjectStrings
+ * @since 9.2.0
+ */
+interface IValidator {
+
+	/**
+	 * @param string $subject
+	 * @param array[] $parameters
+	 * @throws InvalidObjectExeption
+	 * @since 9.2.0
+	 */
+	public function validate($subject, array $parameters);
+}
diff --git a/lib/public/RichObjectStrings/InvalidObjectExeption.php b/lib/public/RichObjectStrings/InvalidObjectExeption.php
new file mode 100644
index 00000000000..8bf597ebe90
--- /dev/null
+++ b/lib/public/RichObjectStrings/InvalidObjectExeption.php
@@ -0,0 +1,31 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCP\RichObjectStrings;
+
+/**
+ * Class InvalidObjectExeption
+ *
+ * @package OCP\RichObjectStrings
+ * @since 9.2.0
+ */
+class InvalidObjectExeption extends \InvalidArgumentException {
+}
diff --git a/lib/public/RichObjectStrings/definitions.json b/lib/public/RichObjectStrings/definitions.json
new file mode 100644
index 00000000000..581572eb345
--- /dev/null
+++ b/lib/public/RichObjectStrings/definitions.json
@@ -0,0 +1,209 @@
+{
+  "addressbook": {
+    "author": "Nextcloud",
+    "app": "dav",
+    "since": "9.2.0",
+    "parameters": {
+      "id": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The id used to identify the addressbook on the instance",
+        "example": "42"
+      },
+      "name": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The display name of the addressbook which should be used in the visual representation",
+        "example": "Contacts"
+      }
+    }
+  },
+  "addressbook-contact": {
+    "author": "Nextcloud",
+    "app": "dav",
+    "since": "9.2.0",
+    "parameters": {
+      "id": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The id used to identify the contact on the instance",
+        "example": "42"
+      },
+      "name": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The display name of the contact which should be used in the visual representation",
+        "example": "John Doe"
+      }
+    }
+  },
+  "announcement": {
+    "author": "Joas Schilling",
+    "app": "announcementcenter",
+    "since": "9.2.0",
+    "parameters": {
+      "id": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The id used to identify the announcement on the instance",
+        "example": "42"
+      },
+      "name": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The announcement subject which should be used in the visual representation",
+        "example": "file.txt"
+      },
+      "link": {
+        "since": "9.2.0",
+        "required": false,
+        "description": "The full URL to the file",
+        "example": "http://localhost/index.php/apps/announcements/#23"
+      }
+    }
+  },
+  "calendar": {
+    "author": "Nextcloud",
+    "app": "dav",
+    "since": "9.2.0",
+    "parameters": {
+      "id": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The id used to identify the calendar on the instance",
+        "example": "42"
+      },
+      "name": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The display name of the calendar which should be used in the visual representation",
+        "example": "Personal"
+      }
+    }
+  },
+  "calendar-event": {
+    "author": "Nextcloud",
+    "app": "dav",
+    "since": "9.2.0",
+    "parameters": {
+      "id": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The id used to identify the event on the instance",
+        "example": "42"
+      },
+      "name": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The display name of the event which should be used in the visual representation",
+        "example": "Workout"
+      }
+    }
+  },
+  "file": {
+    "author": "Nextcloud",
+    "app": "dav",
+    "since": "9.2.0",
+    "parameters": {
+      "id": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The id used to identify the file on the instance",
+        "example": "42"
+      },
+      "name": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The file name which should be used in the visual representation",
+        "example": "file.txt"
+      },
+      "path": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The full path of the file for the user",
+        "example": "path/to/file.txt"
+      },
+      "link": {
+        "since": "9.2.0",
+        "required": false,
+        "description": "The full URL to the file",
+        "example": "http://localhost/index.php/f/42"
+      }
+    }
+  },
+  "systemtag": {
+    "author": "Nextcloud",
+    "app": "core",
+    "since": "9.2.0",
+    "parameters": {
+      "id": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The id used to identify the systemtag on the instance",
+        "example": "23"
+      },
+      "name": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The display name of the systemtag which should be used in the visual representation",
+        "example": "Project 1"
+      },
+      "visibility": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "If the user can see the systemtag",
+        "example": "1"
+      },
+      "assignable": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "If the user can assign the systemtag",
+        "example": "0"
+      }
+    }
+  },
+  "user": {
+    "author": "Nextcloud",
+    "app": "core",
+    "since": "9.2.0",
+    "parameters": {
+      "id": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The id used to identify the user on the instance",
+        "example": "johndoe"
+      },
+      "name": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The display name of the user which should be used in the visual representation",
+        "example": "John Doe"
+      },
+      "server": {
+        "since": "9.2.0",
+        "required": false,
+        "description": "The URL of the instance the user lives on",
+        "example": "localhost"
+      }
+    }
+  },
+  "user-group": {
+    "author": "Nextcloud",
+    "app": "core",
+    "since": "9.2.0",
+    "parameters": {
+      "id": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The id used to identify the group on the instance",
+        "example": "supportteam"
+      },
+      "name": {
+        "since": "9.2.0",
+        "required": true,
+        "description": "The display name of the group which should be used in the visual representation",
+        "example": "Support Team"
+      }
+    }
+  }
+}
diff --git a/tests/lib/RichObjectStrings/ValidatorTest.php b/tests/lib/RichObjectStrings/ValidatorTest.php
new file mode 100644
index 00000000000..b97388ab8e0
--- /dev/null
+++ b/tests/lib/RichObjectStrings/ValidatorTest.php
@@ -0,0 +1,53 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Test\RichObjectStrings;
+
+
+use OC\RichObjectStrings\Validator;
+use Test\TestCase;
+
+class ValidatorTest extends TestCase {
+
+	public function test() {
+		$v = new Validator();
+		$v->validate('test', []);
+		$v->validate('test {string1} test {foo} test {bar}.', [
+			'string1' => [
+				'type' => 'user',
+				'id' => 'johndoe',
+				'name' => 'John Doe',
+			],
+			'foo' => [
+				'type' => 'user-group',
+				'id' => 'sample',
+				'name' => 'Sample Group',
+			],
+			'bar' => [
+				'type' => 'file',
+				'id' => '42',
+				'name' => 'test.txt',
+				'path' => 'path/to/test.txt',
+			],
+		]);
+	}
+
+}