Add workflowengine

This commit is contained in:
Morris Jobke 2016-07-26 11:16:34 +02:00
parent cc5ddcf537
commit 2f42a3fc31
No known key found for this signature in database
GPG Key ID: 9CE5ED29E7FCD38A
17 changed files with 1475 additions and 4 deletions

1
.gitignore vendored
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@ -27,6 +27,7 @@
!/apps/admin_audit
!/apps/updatenotification
!/apps/theming
!/apps/workflowengine
/apps/files_external/3rdparty/irodsphp/PHPUnitTest
/apps/files_external/3rdparty/irodsphp/web
/apps/files_external/3rdparty/irodsphp/prods/test

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<?php
/**
* @copyright Copyright (c) 2016 Morris Jobke <hey@morrisjobke.de>
*
* @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/>.
*
*/
$application = new \OCA\WorkflowEngine\AppInfo\Application();
$application->registerHooksAndListeners();

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<?xml version="1.0" encoding="ISO-8859-1" ?>
<database>
<name>*dbname*</name>
<create>true</create>
<overwrite>false</overwrite>
<charset>utf8</charset>
<table>
<name>*dbprefix*flow_checks</name>
<declaration>
<field>
<name>id</name>
<type>integer</type>
<default>0</default>
<notnull>true</notnull>
<autoincrement>1</autoincrement>
<length>4</length>
</field>
<field>
<name>class</name>
<type>text</type>
<notnull>true</notnull>
<length>256</length>
</field>
<field>
<name>operator</name>
<type>text</type>
<notnull>true</notnull>
<length>16</length>
</field>
<field>
<name>value</name>
<type>clob</type>
<notnull>false</notnull>
</field>
<field>
<name>hash</name>
<type>text</type>
<notnull>true</notnull>
<length>32</length>
</field>
<index>
<name>flow_unique_hash</name>
<unique>true</unique>
<field>
<name>hash</name>
</field>
</index>
</declaration>
</table>
<table>
<name>*dbprefix*flow_operations</name>
<declaration>
<field>
<name>id</name>
<type>integer</type>
<default>0</default>
<notnull>true</notnull>
<autoincrement>1</autoincrement>
<length>4</length>
</field>
<field>
<name>class</name>
<type>text</type>
<notnull>true</notnull>
<length>256</length>
</field>
<field>
<name>name</name>
<type>text</type>
<notnull>true</notnull>
<length>256</length>
</field>
<field>
<name>checks</name>
<type>clob</type>
<notnull>false</notnull>
</field>
<field>
<name>operation</name>
<type>clob</type>
<notnull>false</notnull>
</field>
</declaration>
</table>
</database>

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<?xml version="1.0"?>
<info>
<id>workflowengine</id>
<name>Files Workflow Engine</name>
<description></description>
<licence>AGPL</licence>
<author>Morris Jobke</author>
<version>1.0.0</version>
<namespace>WorkflowEngine</namespace>
<category>other</category>
<website>https://github.com/nextcloud/server</website>
<bugs>https://github.com/nextcloud/server/issues</bugs>
<repository type="git">https://github.com/nextcloud/server.git</repository>
<types>
<filesystem/>
</types>
<dependencies>
<owncloud min-version="9.2" max-version="9.2" />
</dependencies>
</info>

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@ -0,0 +1,30 @@
<?php
/**
* @copyright Copyright (c) 2016 Morris Jobke <hey@morrisjobke.de>
*
* @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/>.
*
*/
return [
'routes' => [
['name' => 'flowOperations#getChecks', 'url' => '/checks', 'verb' => 'GET'], // TODO rm and do via js?
['name' => 'flowOperations#getOperations', 'url' => '/operations', 'verb' => 'GET'],
['name' => 'flowOperations#addOperation', 'url' => '/operations', 'verb' => 'POST'],
['name' => 'flowOperations#updateOperation', 'url' => '/operations/{id}', 'verb' => 'PUT'],
['name' => 'flowOperations#deleteOperation', 'url' => '/operations/{id}', 'verb' => 'DELETE'],
]
];

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@ -0,0 +1,43 @@
.workflowengine .operation {
padding: 5px;
border-bottom: #eee 1px solid;
border-left: rgba(0,0,0,0) 1px solid;
}
.workflowengine .operation.modified {
border-left: rgb(255, 94, 32) 1px solid;
}
.workflowengine .operation button {
margin-bottom: 0;
}
.workflowengine .operation span.info {
padding: 7px;
color: #eee;
}
.workflowengine .rules .operation:nth-last-child(2) {
margin-bottom: 5px;
}
.workflowengine .pull-right {
float: right
}
.workflowengine .operation .msg {
border-radius: 3px;
margin: 3px 3px 3px 0;
padding: 5px;
transition: opacity .5s;
}
.workflowengine .operation .button-delete,
.workflowengine .operation .button-delete-check {
opacity: 0.5;
padding: 7px;
}
.workflowengine .operation .button-delete:hover,
.workflowengine .operation .button-delete:focus,
.workflowengine .operation .button-delete-check:hover,
.workflowengine .operation .button-delete-check:focus {
opacity: 1;
cursor: pointer;
}

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/**
* @copyright Copyright (c) 2016 Morris Jobke <hey@morrisjobke.de>
*
* @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/>.
*
*/
(function() {
Handlebars.registerHelper('selectItem', function(currentValue, itemValue) {
if(currentValue === itemValue) {
return 'selected=selected';
}
return "";
});
Handlebars.registerHelper('getOperators', function(classname) {
return OCA.WorkflowEngine.availableChecks
.getOperatorsByClassName(classname);
});
OCA.WorkflowEngine = OCA.WorkflowEngine || {};
/**
* 888b d888 888 888
* 8888b d8888 888 888
* 88888b.d88888 888 888
* 888Y88888P888 .d88b. .d88888 .d88b. 888 .d8888b
* 888 Y888P 888 d88""88b d88" 888 d8P Y8b 888 88K
* 888 Y8P 888 888 888 888 888 88888888 888 "Y8888b.
* 888 " 888 Y88..88P Y88b 888 Y8b. 888 X88
* 888 888 "Y88P" "Y88888 "Y8888 888 88888P'
*/
/**
* @class OCA.WorkflowEngine.Operation
*/
OCA.WorkflowEngine.Operation =
OC.Backbone.Model.extend({
defaults: {
'class': 'OCA\\WorkflowEngine\\Operation',
'name': '',
'checks': [],
'operation': ''
}
});
/**
* @class OCA.WorkflowEngine.AvailableCheck
*/
OCA.WorkflowEngine.AvailableCheck =
OC.Backbone.Model.extend({});
/**
* .d8888b. 888 888 888 d8b
* d88P Y88b 888 888 888 Y8P
* 888 888 888 888 888
* 888 .d88b. 888 888 .d88b. .d8888b 888888 888 .d88b. 88888b. .d8888b
* 888 d88""88b 888 888 d8P Y8b d88P" 888 888 d88""88b 888 "88b 88K
* 888 888 888 888 888 888 88888888 888 888 888 888 888 888 888 "Y8888b.
* Y88b d88P Y88..88P 888 888 Y8b. Y88b. Y88b. 888 Y88..88P 888 888 X88
* "Y8888P" "Y88P" 888 888 "Y8888 "Y8888P "Y888 888 "Y88P" 888 888 88888P'
*/
/**
* @class OCA.WorkflowEngine.OperationsCollection
*
* collection for all configurated operations
*/
OCA.WorkflowEngine.OperationsCollection =
OC.Backbone.Collection.extend({
model: OCA.WorkflowEngine.Operation,
url: OC.generateUrl('apps/workflowengine/operations')
});
/**
* @class OCA.WorkflowEngine.AvailableChecksCollection
*
* collection for all available checks
*/
OCA.WorkflowEngine.AvailableChecksCollection =
OC.Backbone.Collection.extend({
model: OCA.WorkflowEngine.AvailableCheck,
url: OC.generateUrl('apps/workflowengine/checks'),
getOperatorsByClassName: function(classname) {
return OCA.WorkflowEngine.availableChecks
.findWhere({'class': classname})
.get('operators');
}
});
/**
* 888 888 d8b
* 888 888 Y8P
* 888 888
* Y88b d88P 888 .d88b. 888 888 888 .d8888b
* Y88b d88P 888 d8P Y8b 888 888 888 88K
* Y88o88P 888 88888888 888 888 888 "Y8888b.
* Y888P 888 Y8b. Y88b 888 d88P X88
* Y8P 888 "Y8888 "Y8888888P" 88888P'
*/
/**
* @class OCA.WorkflowEngine.TemplateView
*
* a generic template that handles the Handlebars template compile step
* in a method called "template()"
*/
OCA.WorkflowEngine.TemplateView =
OC.Backbone.View.extend({
_template: null,
template: function(vars) {
if (!this._template) {
this._template = Handlebars.compile($(this.templateId).html());
}
return this._template(vars);
}
});
/**
* @class OCA.WorkflowEngine.OperationView
*
* this creates the view for a single operation
*/
OCA.WorkflowEngine.OperationView =
OCA.WorkflowEngine.TemplateView.extend({
templateId: '#operation-template',
events: {
'change .check-class': 'checkChanged',
'change .check-operator': 'checkChanged',
'change .check-value': 'checkChanged',
'change .operation-name': 'operationChanged',
'click .button-reset': 'reset',
'click .button-save': 'save',
'click .button-add': 'add',
'click .button-delete': 'delete',
'click .button-delete-check': 'deleteCheck'
},
originalModel: null,
hasChanged: false,
message: '',
errorMessage: '',
saving: false,
plugins: [],
initialize: function() {
// this creates a new copy of the object to definitely have a new reference and being able to reset the model
this.originalModel = JSON.parse(JSON.stringify(this.model));
this.model.on('change', function(){
console.log('model changed');
this.hasChanged = true;
this.render();
}, this);
if (this.model.get('id') === undefined) {
this.hasChanged = true;
}
this.plugins = OC.Plugins.getPlugins('OCA.WorkflowEngine.CheckPlugins');
_.each(this.plugins, function(plugin) {
if (_.isFunction(plugin.initialize)) {
plugin.initialize();
}
});
},
delete: function() {
this.model.destroy();
this.remove();
},
reset: function() {
this.hasChanged = false;
// silent is need to not trigger the change event which resets the hasChanged attribute
this.model.set(this.originalModel, {silent: true});
this.render();
},
save: function() {
var success = function(model, response, options) {
this.saving = false;
this.originalModel = JSON.parse(JSON.stringify(this.model));
this.message = t('workflowengine', 'Successfully saved');
this.errorMessage = '';
this.render();
};
var error = function(model, response, options) {
this.saving = false;
this.hasChanged = true;
this.message = t('workflowengine', 'Saving failed:');
this.errorMessage = response.responseText;
this.render();
};
this.hasChanged = false;
this.saving = true;
this.render();
this.model.save(null, {success: success, error: error, context: this});
},
add: function() {
var checks = _.clone(this.model.get('checks')),
classname = OCA.WorkflowEngine.availableChecks.at(0).get('class'),
operators = OCA.WorkflowEngine.availableChecks
.getOperatorsByClassName(classname);
checks.push({
'class': classname,
'operator': operators[0],
'value': ''
});
this.model.set({'checks': checks});
},
checkChanged: function(event) {
var value = event.target.value,
id = $(event.target.parentElement).data('id'),
// this creates a new copy of the object to definitely have a new reference
checks = JSON.parse(JSON.stringify(this.model.get('checks'))),
key = null;
for (var i = 0; i < event.target.classList.length; i++) {
var className = event.target.classList[i];
if (className.substr(0, 'check-'.length) === 'check-') {
key = className.substr('check-'.length);
break;
}
}
if (key === null) {
console.warn('checkChanged triggered but element doesn\'t have any "check-" class');
return;
}
if (!_.has(checks[id], key)) {
console.warn('key "' + key + '" is not available in check', check);
return;
}
checks[id][key] = value;
// if the class is changed most likely also the operators have changed
// with this we set the operator to the first possible operator
if (key === 'class') {
var operators = OCA.WorkflowEngine.availableChecks
.getOperatorsByClassName(value);
checks[id]['operator'] = operators[0];
}
// model change will trigger render
this.model.set({'checks': checks});
},
deleteCheck: function() {
console.log(arguments);
var id = $(event.target.parentElement).data('id'),
checks = JSON.parse(JSON.stringify(this.model.get('checks')));
// splice removes 1 element at index `id`
checks.splice(id, 1);
// model change will trigger render
this.model.set({'checks': checks});
},
operationChanged: function(event) {
var value = event.target.value,
key = null;
for (var i = 0; i < event.target.classList.length; i++) {
var className = event.target.classList[i];
if (className.substr(0, 'operation-'.length) === 'operation-') {
key = className.substr('operation-'.length);
break;
}
}
if (key === null) {
console.warn('operationChanged triggered but element doesn\'t have any "operation-" class');
return;
}
if (key !== 'name') {
console.warn('key "' + key + '" is no valid attribute');
return;
}
// model change will trigger render
this.model.set(key, value);
},
render: function() {
this.$el.html(this.template({
operation: this.model.toJSON(),
classes: OCA.WorkflowEngine.availableChecks.toJSON(),
hasChanged: this.hasChanged,
message: this.message,
errorMessage: this.errorMessage,
saving: this.saving
}));
var checks = this.model.get('checks');
_.each(this.$el.find('.check'), function(element){
var $element = $(element),
id = $element.data('id'),
check = checks[id],
valueElement = $element.find('.check-value').first();
_.each(this.plugins, function(plugin) {
if (_.isFunction(plugin.render)) {
plugin.render(valueElement, check['class'], check['value']);
}
});
}, this);
if (this.message !== '') {
// hide success messages after some time
_.delay(function(elements){
$(elements).css('opacity', 0);
}, 7000, this.$el.find('.msg.success'));
this.message = '';
}
}
});
/**
* @class OCA.WorkflowEngine.OperationsView
*
* this creates the view for configured operations
*/
OCA.WorkflowEngine.OperationsView =
OCA.WorkflowEngine.TemplateView.extend({
templateId: '#operations-template',
events: {
'click .button-add-operation': 'add'
},
initialize: function() {
this._initialize('OCA\\WorkflowEngine\\Operation');
},
_initialize: function(classname) {
var data = {};
if (this.operationsClass !== null) {
data['class'] = this.operationsClass;
}
this.collection.fetch({data: {
'class': classname
}});
this.collection.once('sync', this.render, this);
},
add: function() {
var operation = new OCA.WorkflowEngine.Operation();
this.collection.add(operation);
this.renderOperation(operation);
},
renderOperation: function(operation){
console.log(operation);
var subView = new OCA.WorkflowEngine.OperationView({
model: operation
}),
operationsElement = this.$el.find('.operations');
operationsElement.append(subView.$el);
subView.render();
},
render: function() {
this.$el.html(this.template());
this.collection.each(this.renderOperation, this);
}
});
})();

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/**
* @copyright Copyright (c) 2016 Morris Jobke <hey@morrisjobke.de>
*
* @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/>.
*
*/
(function() {
OCA.WorkflowEngine = OCA.WorkflowEngine || {};
OCA.WorkflowEngine.Plugins = OCA.WorkflowEngine.Plugins || {};
OCA.WorkflowEngine.Plugins.UserGroupMembershipPlugin = {
render: function(element, classname, value) {
if (classname !== 'OCA\\WorkflowEngine\\Check\\UserGroupMembership') {
return;
}
$(element).css('width', '400px');
$(element).select2({
ajax: {
url: OC.generateUrl('settings/users/groups'),
dataType: 'json',
quietMillis: 100,
data: function (term) {
return {
pattern: term, //search term
filterGroups: true,
sortGroups: 2 // by groupname
};
},
results: function (response) {
// TODO improve error case
if (response.data === undefined) {
console.error('Failure happened', response);
return;
}
var results = [];
// add admin groups
$.each(response.data.adminGroups, function(id, group) {
results.push({ id: group.id });
});
// add groups
$.each(response.data.groups, function(id, group) {
results.push({ id: group.id });
});
// TODO once limit and offset is implemented for groups we should paginate the search results
return {
results: results,
more: false
};
}
},
initSelection: function (element, callback) {
callback({id: element.val()});
},
formatResult: function (element) {
return '<span>' + escapeHTML(element.id) + '</span>';
},
formatSelection: function (element) {
return '<span title="'+escapeHTML(element.id)+'">'+escapeHTML(element.id)+'</span>';
}
});
}
};
})();
OC.Plugins.register('OCA.WorkflowEngine.CheckPlugins', OCA.WorkflowEngine.Plugins.UserGroupMembershipPlugin);

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<?php
/**
* @copyright Copyright (c) 2016 Morris Jobke <hey@morrisjobke.de>
*
* @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 OCA\WorkflowEngine\AppInfo;
use OCP\Util;
use OCP\WorkflowEngine\RegisterCheckEvent;
class Application extends \OCP\AppFramework\App {
public function __construct() {
parent::__construct('workflowengine');
$this->getContainer()->registerAlias('FlowOperationsController', 'OCA\WorkflowEngine\Controller\FlowOperations');
}
/**
* Register all hooks and listeners
*/
public function registerHooksAndListeners() {
$dispatcher = $this->getContainer()->getServer()->getEventDispatcher();
$dispatcher->addListener(
'OCP\WorkflowEngine\RegisterCheckEvent',
function(RegisterCheckEvent $event) {
$event->addCheck(
'OCA\WorkflowEngine\Check\UserGroupMembership',
'User group membership',
['is', '!is']
);
},
-100
);
$dispatcher->addListener(
'OCP\WorkflowEngine::loadAdditionalSettingScripts',
function() {
Util::addStyle('workflowengine', 'admin');
Util::addScript('workflowengine', 'admin');
Util::addScript('workflowengine', 'usergroupmembershipplugin');
},
-100
);
}
}

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<?php
/**
* @copyright Copyright (c) 2016 Morris Jobke <hey@morrisjobke.de>
*
* @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 OCA\WorkflowEngine\Check;
use OCP\Files\Storage\IStorage;
use OCP\IGroupManager;
use OCP\IUser;
use OCP\IUserSession;
use OCP\WorkflowEngine\ICheck;
class UserGroupMembership implements ICheck {
/** @var string */
protected $cachedUser;
/** @var string[] */
protected $cachedGroupMemberships;
/** @var IUserSession */
protected $userSession;
/** @var IGroupManager */
protected $groupManager;
/**
* @param IUserSession $userSession
* @param IGroupManager $groupManager
*/
public function __construct(IUserSession $userSession, IGroupManager $groupManager) {
$this->userSession = $userSession;
$this->groupManager = $groupManager;
}
/**
* @param IStorage $storage
* @param string $path
*/
public function setFileInfo(IStorage $storage, $path) {
// A different path doesn't change group memberships, so nothing to do here.
}
/**
* @param string $operator
* @param string $value
* @return bool
*/
public function executeCheck($operator, $value) {
$user = $this->userSession->getUser();
if ($user instanceof IUser) {
$groupIds = $this->getUserGroups($user);
return ($operator === 'is') === in_array($value, $groupIds);
} else {
return $operator !== 'is';
}
}
/**
* @param string $operator
* @param string $value
* @throws \UnexpectedValueException
*/
public function validateCheck($operator, $value) {
if (!in_array($operator, ['is', '!is'])) {
throw new \UnexpectedValueException('Invalid operator', 1);
}
if (!$this->groupManager->groupExists($value)) {
throw new \UnexpectedValueException('Group does not exist', 2);
}
}
/**
* @param IUser $user
* @return string[]
*/
protected function getUserGroups(IUser $user) {
$uid = $user->getUID();
if ($this->cachedUser !== $uid) {
$this->cachedUser = $uid;
$this->cachedGroupMemberships = $this->groupManager->getUserGroupIds($user);
}
return $this->cachedGroupMemberships;
}
}

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<?php
/**
* @copyright Copyright (c) 2016 Morris Jobke <hey@morrisjobke.de>
*
* @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 OCA\WorkflowEngine\Controller;
use OCA\WorkflowEngine\Manager;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\JSONResponse;
use OCP\IRequest;
use OCP\WorkflowEngine\RegisterCheckEvent;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
class FlowOperations extends Controller {
/** @var Manager */
protected $manager;
/** @var EventDispatcherInterface */
protected $dispatcher;
/**
* @param IRequest $request
* @param Manager $manager
* @param EventDispatcherInterface $dispatcher
*/
public function __construct(IRequest $request, Manager $manager, EventDispatcherInterface $dispatcher) {
parent::__construct('workflowengine', $request);
$this->manager = $manager;
$this->dispatcher = $dispatcher;
}
/**
* @NoCSRFRequired
*
* @return JSONResponse
*/
public function getChecks() {
$event = new RegisterCheckEvent();
$this->dispatcher->dispatch('OCP\WorkflowEngine\RegisterCheckEvent', $event);
return new JSONResponse($event->getChecks());
}
/**
* @NoCSRFRequired
*
* @param string $class
* @return JSONResponse
*/
public function getOperations($class) {
$operations = $this->manager->getOperations($class);
foreach ($operations as &$operation) {
$operation = $this->prepareOperation($operation);
}
return new JSONResponse($operations);
}
/**
* @param string $class
* @param string $name
* @param array[] $checks
* @param string $operation
* @return JSONResponse The added element
*/
public function addOperation($class, $name, $checks, $operation) {
try {
$operation = $this->manager->addOperation($class, $name, $checks, $operation);
$operation = $this->prepareOperation($operation);
return new JSONResponse($operation);
} catch (\UnexpectedValueException $e) {
return new JSONResponse($e->getMessage(), Http::STATUS_BAD_REQUEST);
}
}
/**
* @param int $id
* @param string $name
* @param array[] $checks
* @param string $operation
* @return JSONResponse The updated element
*/
public function updateOperation($id, $name, $checks, $operation) {
try {
$operation = $this->manager->updateOperation($id, $name, $checks, $operation);
$operation = $this->prepareOperation($operation);
return new JSONResponse($operation);
} catch (\UnexpectedValueException $e) {
return new JSONResponse($e->getMessage(), Http::STATUS_BAD_REQUEST);
}
}
/**
* @param int $id
* @return JSONResponse
*/
public function deleteOperation($id) {
$deleted = $this->manager->deleteOperation((int) $id);
return new JSONResponse($deleted);
}
/**
* @param array $operation
* @return array
*/
protected function prepareOperation(array $operation) {
$checkIds = json_decode($operation['checks']);
$checks = $this->manager->getChecks($checkIds);
$operation['checks'] = [];
foreach ($checks as $check) {
// Remove internal values
unset($check['id']);
unset($check['hash']);
$operation['checks'][] = $check;
}
return $operation;
}
}

View File

@ -0,0 +1,306 @@
<?php
/**
* @copyright Copyright (c) 2016 Morris Jobke <hey@morrisjobke.de>
*
* @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 OCA\WorkflowEngine;
use OCP\AppFramework\QueryException;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\Files\Storage\IStorage;
use OCP\IDBConnection;
use OCP\IServerContainer;
use OCP\WorkflowEngine\ICheck;
use OCP\WorkflowEngine\IManager;
class Manager implements IManager {
/** @var IStorage */
protected $storage;
/** @var string */
protected $path;
/** @var array[] */
protected $operations = [];
/** @var array[] */
protected $checks = [];
/** @var IDBConnection */
protected $connection;
/** @var IServerContainer|\OC\Server */
protected $container;
/**
* @param IDBConnection $connection
* @param IServerContainer $container
*/
public function __construct(IDBConnection $connection, IServerContainer $container) {
$this->connection = $connection;
$this->container = $container;
}
/**
* @inheritdoc
*/
public function setFileInfo(IStorage $storage, $path) {
$this->storage = $storage;
$this->path = $path;
}
/**
* @inheritdoc
*/
public function getMatchingOperations($class, $returnFirstMatchingOperationOnly = true) {
$operations = $this->getOperations($class);
$matches = [];
foreach ($operations as $operation) {
$checkIds = json_decode($operation['checks'], true);
$checks = $this->getChecks($checkIds);
foreach ($checks as $check) {
if (!$this->check($check)) {
// Check did not match, continue with the next operation
continue 2;
}
}
if ($returnFirstMatchingOperationOnly) {
return $operation;
}
$matches[] = $operation;
}
return $matches;
}
/**
* @param array $check
* @return bool
*/
protected function check(array $check) {
try {
$checkInstance = $this->container->query($check['class']);
} catch (QueryException $e) {
// Check does not exist, assume it matches.
return true;
}
if ($checkInstance instanceof ICheck) {
$checkInstance->setFileInfo($this->storage, $this->path);
return $checkInstance->executeCheck($check['operator'], $check['value']);
} else {
// Check is invalid, assume it matches.
return true;
}
}
/**
* @param string $class
* @return array[]
*/
public function getOperations($class) {
if (isset($this->operations[$class])) {
return $this->operations[$class];
}
$query = $this->connection->getQueryBuilder();
$query->select('*')
->from('flow_operations')
->where($query->expr()->eq('class', $query->createNamedParameter($class)));
$result = $query->execute();
$this->operations[$class] = [];
while ($row = $result->fetch()) {
$this->operations[$class][] = $row;
}
$result->closeCursor();
return $this->operations[$class];
}
/**
* @param int $id
* @return array
* @throws \UnexpectedValueException
*/
protected function getOperation($id) {
$query = $this->connection->getQueryBuilder();
$query->select('*')
->from('flow_operations')
->where($query->expr()->eq('id', $query->createNamedParameter($id)));
$result = $query->execute();
$row = $result->fetch();
$result->closeCursor();
if ($row) {
return $row;
}
throw new \UnexpectedValueException('Operation does not exist');
}
/**
* @param string $class
* @param string $name
* @param array[] $checks
* @param string $operation
* @return array The added operation
* @throws \UnexpectedValueException
*/
public function addOperation($class, $name, array $checks, $operation) {
$checkIds = [];
foreach ($checks as $check) {
$checkIds[] = $this->addCheck($check['class'], $check['operator'], $check['value']);
}
$query = $this->connection->getQueryBuilder();
$query->insert('flow_operations')
->values([
'class' => $query->createNamedParameter($class),
'name' => $query->createNamedParameter($name),
'checks' => $query->createNamedParameter(json_encode(array_unique($checkIds))),
'operation' => $query->createNamedParameter($operation),
]);
$query->execute();
$id = $query->getLastInsertId();
return $this->getOperation($id);
}
/**
* @param int $id
* @param string $name
* @param array[] $checks
* @param string $operation
* @return array The updated operation
* @throws \UnexpectedValueException
*/
public function updateOperation($id, $name, array $checks, $operation) {
$checkIds = [];
foreach ($checks as $check) {
$checkIds[] = $this->addCheck($check['class'], $check['operator'], $check['value']);
}
$query = $this->connection->getQueryBuilder();
$query->update('flow_operations')
->set('name', $query->createNamedParameter($name))
->set('checks', $query->createNamedParameter(json_encode(array_unique($checkIds))))
->set('operation', $query->createNamedParameter($operation))
->where($query->expr()->eq('id', $query->createNamedParameter($id)));
$query->execute();
return $this->getOperation($id);
}
/**
* @param int $id
* @return bool
* @throws \UnexpectedValueException
*/
public function deleteOperation($id) {
$query = $this->connection->getQueryBuilder();
$query->delete('flow_operations')
->where($query->expr()->eq('id', $query->createNamedParameter($id)));
return (bool) $query->execute();
}
/**
* @param int[] $checkIds
* @return array[]
*/
public function getChecks(array $checkIds) {
$checkIds = array_map('intval', $checkIds);
$checks = [];
foreach ($checkIds as $i => $checkId) {
if (isset($this->checks[$checkId])) {
$checks[$checkId] = $this->checks[$checkId];
unset($checkIds[$i]);
}
}
if (empty($checkIds)) {
return $checks;
}
$query = $this->connection->getQueryBuilder();
$query->select('*')
->from('flow_checks')
->where($query->expr()->in('id', $query->createNamedParameter($checkIds, IQueryBuilder::PARAM_INT_ARRAY)));
$result = $query->execute();
$checks = [];
while ($row = $result->fetch()) {
$this->checks[(int) $row['id']] = $row;
$checks[(int) $row['id']] = $row;
}
$result->closeCursor();
// TODO What if a check is missing? Should we throw?
// As long as we only allow AND-concatenation of checks, a missing check
// is like a matching check, so it evaluates to true and therefor blocks
// access. So better save than sorry.
return $checks;
}
/**
* @param string $class
* @param string $operator
* @param string $value
* @return int Check unique ID
* @throws \UnexpectedValueException
*/
protected function addCheck($class, $operator, $value) {
/** @var ICheck $check */
$check = $this->container->query($class);
$check->validateCheck($operator, $value);
$hash = md5($class . '::' . $operator . '::' . $value);
$query = $this->connection->getQueryBuilder();
$query->select('id')
->from('flow_checks')
->where($query->expr()->eq('hash', $query->createNamedParameter($hash)));
$result = $query->execute();
if ($row = $result->fetch()) {
$result->closeCursor();
return (int) $row['id'];
}
$query = $this->connection->getQueryBuilder();
$query->insert('flow_checks')
->values([
'class' => $query->createNamedParameter($class),
'operator' => $query->createNamedParameter($operator),
'value' => $query->createNamedParameter($value),
'hash' => $query->createNamedParameter($hash),
]);
$query->execute();
return $query->getLastInsertId();
}
}

View File

@ -27,11 +27,13 @@
"updatenotification",
"user_external",
"user_ldap",
"user_saml"
"user_saml",
"workflowengine"
],
"alwaysEnabled": [
"files",
"dav",
"federatedfilesharing"
"federatedfilesharing",
"workflowengine"
]
}

View File

@ -0,0 +1,56 @@
<?php
/**
* @copyright Copyright (c) 2016 Morris Jobke <hey@morrisjobke.de>
*
* @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\WorkflowEngine;
use OCP\Files\Storage\IStorage;
/**
* Interface ICheck
*
* @package OCP\WorkflowEngine
* @since 9.1
*/
interface ICheck {
/**
* @param IStorage $storage
* @param string $path
* @since 9.1
*/
public function setFileInfo(IStorage $storage, $path);
/**
* @param string $operator
* @param string $value
* @return bool
* @since 9.1
*/
public function executeCheck($operator, $value);
/**
* @param string $operator
* @param string $value
* @throws \UnexpectedValueException
* @since 9.1
*/
public function validateCheck($operator, $value);
}

View File

@ -0,0 +1,48 @@
<?php
/**
* @copyright Copyright (c) 2016 Morris Jobke <hey@morrisjobke.de>
*
* @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\WorkflowEngine;
use OCP\Files\Storage\IStorage;
/**
* Interface IManager
*
* @package OCP\WorkflowEngine
* @since 9.1
*/
interface IManager {
/**
* @param IStorage $storage
* @param string $path
* @since 9.1
*/
public function setFileInfo(IStorage $storage, $path);
/**
* @param string $class
* @param bool $returnFirstMatchingOperationOnly
* @return array
* @since 9.1
*/
public function getMatchingOperations($class, $returnFirstMatchingOperationOnly = true);
}

View File

@ -0,0 +1,79 @@
<?php
/**
* @copyright Copyright (c) 2016 Morris Jobke <hey@morrisjobke.de>
*
* @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\WorkflowEngine;
use Symfony\Component\EventDispatcher\Event;
/**
* Class RegisterCheckEvent
*
* @package OCP\WorkflowEngine
* @since 9.1
*/
class RegisterCheckEvent extends Event {
/** @var array[] */
protected $checks = [];
/**
* @param string $class
* @param string $name
* @param string[] $operators
* @throws \OutOfBoundsException when the check class is already registered
* @throws \OutOfBoundsException when the provided information is invalid
* @since 9.1
*/
public function addCheck($class, $name, array $operators) {
if (!is_string($class)) {
throw new \OutOfBoundsException('Given class name is not a string');
}
if (isset($this->checks[$class])) {
throw new \OutOfBoundsException('Duplicate check class "' . $class . '"');
}
if (!is_string($name)) {
throw new \OutOfBoundsException('Given check name is not a string');
}
foreach ($operators as $operator) {
if (!is_string($operator)) {
throw new \OutOfBoundsException('At least one of the operators is not a string');
}
}
$this->checks[$class] = [
'class' => $class,
'name' => $name,
'operators' => $operators,
];
}
/**
* @return array[]
* @since 9.1
*/
public function getChecks() {
return array_values($this->checks);
}
}

View File

@ -306,7 +306,7 @@ class ManagerTest extends TestCase {
$this->appConfig->setValue('test1', 'enabled', 'yes');
$this->appConfig->setValue('test2', 'enabled', 'no');
$this->appConfig->setValue('test3', 'enabled', '["foo"]');
$this->assertEquals(['dav', 'federatedfilesharing', 'files', 'test1', 'test3'], $this->manager->getInstalledApps());
$this->assertEquals(['dav', 'federatedfilesharing', 'files', 'test1', 'test3', 'workflowengine'], $this->manager->getInstalledApps());
}
public function testGetAppsForUser() {
@ -320,7 +320,7 @@ class ManagerTest extends TestCase {
$this->appConfig->setValue('test2', 'enabled', 'no');
$this->appConfig->setValue('test3', 'enabled', '["foo"]');
$this->appConfig->setValue('test4', 'enabled', '["asd"]');
$this->assertEquals(['dav', 'federatedfilesharing', 'files', 'test1', 'test3'], $this->manager->getEnabledAppsForUser($user));
$this->assertEquals(['dav', 'federatedfilesharing', 'files', 'test1', 'test3', 'workflowengine'], $this->manager->getEnabledAppsForUser($user));
}
public function testGetAppsNeedingUpgrade() {
@ -338,6 +338,7 @@ class ManagerTest extends TestCase {
'test3' => ['id' => 'test3', 'version' => '1.2.4', 'requiremin' => '9.0.0'],
'test4' => ['id' => 'test4', 'version' => '3.0.0', 'requiremin' => '8.1.0'],
'testnoversion' => ['id' => 'testnoversion', 'requiremin' => '8.2.0'],
'workflowengine' => ['id' => 'workflowengine'],
];
$this->manager->expects($this->any())
@ -378,6 +379,7 @@ class ManagerTest extends TestCase {
'test2' => ['id' => 'test2', 'version' => '1.0.0', 'requiremin' => '8.2.0'],
'test3' => ['id' => 'test3', 'version' => '1.2.4', 'requiremin' => '9.0.0'],
'testnoversion' => ['id' => 'testnoversion', 'requiremin' => '8.2.0'],
'workflowengine' => ['id' => 'workflowengine'],
];
$this->manager->expects($this->any())