314 lines
12 KiB
PHP
314 lines
12 KiB
PHP
<?php
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namespace Pterodactyl\Repositories;
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use DB;
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use Debugbar;
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use Validator;
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use Log;
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use Pterodactyl\Models;
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use Pterodactyl\Services\UuidService;
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use Pterodactyl\Exceptions\DisplayException;
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use Pterodactyl\Exceptions\AccountNotFoundException;
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use Pterodactyl\Exceptions\DisplayValidationException;
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class ServerRepository
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{
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public function __construct()
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{
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//
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}
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/**
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* Generates a SFTP username for a server given a server name.
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*
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* @param string $name
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* @return string
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*/
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protected function generateSFTPUsername($name)
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{
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$name = preg_replace('/\s+/', '', $name);
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if (strlen($name) > 6) {
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return strtolower('ptdl-' . substr($name, 0, 6) . '_' . str_random(5));
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}
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return strtolower('ptdl-' . $name . '_' . str_random((11 - strlen($name))));
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}
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/**
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* Adds a new server to the system.
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* @param array $data An array of data descriptors for creating the server. These should align to the columns in the database.
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* @return integer
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*/
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public function create(array $data)
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{
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// Validate Fields
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$validator = Validator::make($data, [
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'owner' => 'required|email|exists:users,email',
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'node' => 'required|numeric|min:1|exists:nodes,id',
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'name' => 'required|regex:([\w -]{4,35})',
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'memory' => 'required|numeric|min:1',
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'swap' => 'required|numeric|min:0',
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'disk' => 'required|numeric|min:1',
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'cpu' => 'required|numeric|min:0',
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'io' => 'required|numeric|min:10|max:1000',
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'ip' => 'required|ip',
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'port' => 'required|numeric|min:1|max:65535',
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'service' => 'required|numeric|min:1|exists:services,id',
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'option' => 'required|numeric|min:1|exists:service_options,id',
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'startup' => 'required',
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'custom_image_name' => 'required_if:use_custom_image,on',
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]);
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// Run validator, throw catchable and displayable exception if it fails.
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// Exception includes a JSON result of failed validation rules.
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if ($validator->fails()) {
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throw new DisplayValidationException($validator->errors());
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}
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// Get the User ID; user exists since we passed the 'exists:users,email' part of the validation
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$user = Models\User::select('id')->where('email', $data['owner'])->first();
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// Verify IP & Port are a.) free and b.) assigned to the node.
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// We know the node exists because of 'exists:nodes,id' in the validation
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$node = Models\Node::find($data['node']);
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$allocation = Models\Allocation::where('ip', $data['ip'])->where('port', $data['port'])->where('node', $data['node'])->whereNull('assigned_to')->first();
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// Something failed in the query, either that combo doesn't exist, or it is in use.
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if (!$allocation) {
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throw new DisplayException('The selected IP/Port combination (' . $data['ip'] . ':' . $data['port'] . ') is either already in use, or unavaliable for this node.');
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}
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// Validate those Service Option Variables
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// We know the service and option exists because of the validation.
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// We need to verify that the option exists for the service, and then check for
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// any required variable fields. (fields are labeled env_<env_variable>)
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$option = Models\ServiceOptions::where('id', $data['option'])->where('parent_service', $data['service'])->first();
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if (!$option) {
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throw new DisplayException('The requested service option does not exist for the specified service.');
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}
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// Check those Variables
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$variables = Models\ServiceVariables::where('option_id', $data['option'])->get();
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$variableList = [];
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if ($variables) {
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foreach($variables as $variable) {
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// Is the variable required?
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if (!$data['env_' . $variable->env_variable]) {
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if ($variable->required === 1) {
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throw new DisplayException('A required service option variable field (env_' . $variable->env_variable . ') was missing from the request.');
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}
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$variableList = array_merge($variableList, [[
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'var_id' => $variable->id,
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'var_val' => $variable->default_value
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]]);
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continue;
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}
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// Check aganist Regex Pattern
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if (!is_null($variable->regex) && !preg_match($variable->regex, $data['env_' . $variable->env_variable])) {
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throw new DisplayException('Failed to validate service option variable field (env_' . $variable->env_variable . ') aganist regex (' . $variable->regex . ').');
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}
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$variableList = array_merge($variableList, [[
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'var_id' => $variable->id,
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'var_val' => $data['env_' . $variable->env_variable]
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]]);
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continue;
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}
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}
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// Check Overallocation
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if (is_numeric($node->memory_overallocate) || is_numeric($node->disk_overallocate)) {
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$totals = Models\Server::select(DB::raw('SUM(memory) as memory, SUM(disk) as disk'))->where('node', $node->id)->first();
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// Check memory limits
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if (is_numeric($node->memory_overallocate)) {
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$newMemory = $totals->memory + $data['memory'];
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$memoryLimit = ($node->memory * (1 + ($node->memory_overallocate / 100)));
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if($newMemory > $memoryLimit) {
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throw new DisplayException('The amount of memory allocated to this server would put the node over its allocation limits. This node is allowed ' . ($node->memory_overallocate + 100) . '% of its assigned ' . $node->memory . 'Mb of memory (' . $memoryLimit . 'Mb) of which ' . (($totals->memory / $node->memory) * 100) . '% (' . $totals->memory . 'Mb) is in use already. By allocating this server the node would be at ' . (($newMemory / $node->memory) * 100) . '% (' . $newMemory . 'Mb) usage.');
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}
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}
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// Check Disk Limits
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if (is_numeric($node->disk_overallocate)) {
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$newDisk = $totals->disk + $data['disk'];
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$diskLimit = ($node->disk * (1 + ($node->disk_overallocate / 100)));
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if($newDisk > $diskLimit) {
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throw new DisplayException('The amount of disk allocated to this server would put the node over its allocation limits. This node is allowed ' . ($node->disk_overallocate + 100) . '% of its assigned ' . $node->disk . 'Mb of disk (' . $diskLimit . 'Mb) of which ' . (($totals->disk / $node->disk) * 100) . '% (' . $totals->disk . 'Mb) is in use already. By allocating this server the node would be at ' . (($newDisk / $node->disk) * 100) . '% (' . $newDisk . 'Mb) usage.');
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}
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}
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}
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DB::beginTransaction();
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$uuid = new UuidService;
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// Add Server to the Database
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$server = new Models\Server;
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$generatedUuid = $uuid->generate('servers', 'uuid');
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$server->fill([
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'uuid' => $generatedUuid,
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'uuidShort' => $uuid->generateShort('servers', 'uuidShort', $generatedUuid),
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'node' => $data['node'],
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'name' => $data['name'],
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'active' => 1,
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'owner' => $user->id,
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'memory' => $data['memory'],
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'swap' => $data['swap'],
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'disk' => $data['disk'],
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'io' => $data['io'],
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'cpu' => $data['cpu'],
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'oom_disabled' => (isset($data['oom_disabled'])) ? true : false,
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'ip' => $data['ip'],
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'port' => $data['port'],
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'service' => $data['service'],
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'option' => $data['option'],
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'startup' => $data['startup'],
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'daemonSecret' => $uuid->generate('servers', 'daemonSecret'),
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'username' => $this->generateSFTPUsername($data['name'])
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]);
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$server->save();
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// Mark Allocation in Use
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$allocation->assigned_to = $server->id;
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$allocation->save();
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// Add Variables
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foreach($variableList as $item) {
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Models\ServerVariables::create([
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'server_id' => $server->id,
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'variable_id' => $item['var_id'],
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'variable_value' => $item['var_val']
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]);
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}
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try {
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// Add logic for communicating with Wings to make the server in here.
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// We should add the server regardless of the Wings response, but
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// handle the error and then allow the server to be re-deployed.
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DB::commit();
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return $server->id;
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} catch (\Exception $e) {
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DB::rollBack();
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throw $e;
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}
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}
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/**
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* [updateDetails description]
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* @param integer $id
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* @param array $data
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* @return boolean
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*/
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public function updateDetails($id, array $data)
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{
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$uuid = new UuidService;
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$resetDaemonKey = false;
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// Validate Fields
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$validator = Validator::make($data, [
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'owner' => 'email|exists:users,email',
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'name' => 'regex:([\w -]{4,35})'
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]);
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// Run validator, throw catchable and displayable exception if it fails.
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// Exception includes a JSON result of failed validation rules.
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if ($validator->fails()) {
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throw new DisplayValidationException($validator->errors());
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}
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DB::beginTransaction();
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$server = Models\Server::findOrFail($id);
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$owner = Models\User::findOrFail($server->owner);
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// Update daemon secret if it was passed.
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if ((isset($data['reset_token']) && $data['reset_token'] === true) || (isset($data['owner']) && $data['owner'] !== $owner->email)) {
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$oldDaemonKey = $server->daemonSecret;
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$server->daemonSecret = $uuid->generate('servers', 'daemonSecret');
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$resetDaemonKey = true;
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}
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// Update Server Owner if it was passed.
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if (isset($data['owner']) && $data['owner'] !== $owner->email) {
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$newOwner = Models\User::select('id')->where('email', $data['owner'])->first();
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$server->owner = $newOwner->id;
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}
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// Update Server Name if it was passed.
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if (isset($data['name'])) {
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$server->name = $data['name'];
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}
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// Save our changes
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$server->save();
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// Do we need to update? If not, return successful.
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if (!$resetDaemonKey) {
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DB::commit();
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return true;
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}
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// If we need to update do it here.
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try {
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$node = Models\Node::getByID($server->node);
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$client = Models\Node::guzzleRequest($server->node);
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$res = $client->request('PATCH', '/server', [
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'headers' => [
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'X-Access-Server' => $server->uuid,
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'X-Access-Token' => $node->daemonSecret
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],
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'exceptions' => false,
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'json' => [
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'keys' => [
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(string) $oldDaemonKey => [],
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(string) $server->daemonSecret => [
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's:get',
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's:power',
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's:console',
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's:command',
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's:files:get',
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's:files:read',
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's:files:post',
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's:files:delete',
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's:files:upload',
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's:set-password'
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]
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]
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]
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]);
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if ($res->getStatusCode() === 204) {
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DB::commit();
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return true;
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} else {
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throw new DisplayException('Daemon returned a a non HTTP/204 error code. HTTP/' + $res->getStatusCode());
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}
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} catch (\Exception $ex) {
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DB::rollback();
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Log::error($ex);
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throw new DisplayException('An error occured while attempting to update this server\'s information.');
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}
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}
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}
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