misc_pterodactyl-panel/app/Repositories/ServerRepository.php

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<?php
namespace Pterodactyl\Repositories;
use DB;
use Debugbar;
use Validator;
use Log;
use Pterodactyl\Models;
use Pterodactyl\Services\UuidService;
use Pterodactyl\Exceptions\DisplayException;
use Pterodactyl\Exceptions\AccountNotFoundException;
use Pterodactyl\Exceptions\DisplayValidationException;
class ServerRepository
{
public function __construct()
{
//
}
/**
* Generates a SFTP username for a server given a server name.
*
* @param string $name
* @return string
*/
protected function generateSFTPUsername($name)
{
$name = preg_replace('/\s+/', '', $name);
if (strlen($name) > 6) {
return strtolower('ptdl-' . substr($name, 0, 6) . '_' . str_random(5));
}
return strtolower('ptdl-' . $name . '_' . str_random((11 - strlen($name))));
}
/**
* Adds a new server to the system.
* @param array $data An array of data descriptors for creating the server. These should align to the columns in the database.
* @return integer
*/
public function create(array $data)
{
// Validate Fields
$validator = Validator::make($data, [
'owner' => 'required|email|exists:users,email',
'node' => 'required|numeric|min:1|exists:nodes,id',
'name' => 'required|regex:/^([\w -]{4,35})$/',
'memory' => 'required|numeric|min:1',
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'swap' => 'required|numeric|min:0',
'disk' => 'required|numeric|min:1',
'cpu' => 'required|numeric|min:0',
'io' => 'required|numeric|min:10|max:1000',
'ip' => 'required|ip',
'port' => 'required|numeric|min:1|max:65535',
'service' => 'required|numeric|min:1|exists:services,id',
'option' => 'required|numeric|min:1|exists:service_options,id',
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'startup' => 'required',
'custom_image_name' => 'required_if:use_custom_image,on',
]);
// Run validator, throw catchable and displayable exception if it fails.
// Exception includes a JSON result of failed validation rules.
if ($validator->fails()) {
throw new DisplayValidationException($validator->errors());
}
// Get the User ID; user exists since we passed the 'exists:users,email' part of the validation
$user = Models\User::select('id')->where('email', $data['owner'])->first();
// Verify IP & Port are a.) free and b.) assigned to the node.
// We know the node exists because of 'exists:nodes,id' in the validation
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$node = Models\Node::getByID($data['node']);
$allocation = Models\Allocation::where('ip', $data['ip'])->where('port', $data['port'])->where('node', $data['node'])->whereNull('assigned_to')->first();
// Something failed in the query, either that combo doesn't exist, or it is in use.
if (!$allocation) {
throw new DisplayException('The selected IP/Port combination (' . $data['ip'] . ':' . $data['port'] . ') is either already in use, or unavaliable for this node.');
}
// Validate those Service Option Variables
// We know the service and option exists because of the validation.
// We need to verify that the option exists for the service, and then check for
// any required variable fields. (fields are labeled env_<env_variable>)
$option = Models\ServiceOptions::where('id', $data['option'])->where('parent_service', $data['service'])->first();
if (!$option) {
throw new DisplayException('The requested service option does not exist for the specified service.');
}
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// Load up the Service Information
$service = Models\Service::find($option->parent_service);
// Check those Variables
$variables = Models\ServiceVariables::where('option_id', $data['option'])->get();
$variableList = [];
if ($variables) {
foreach($variables as $variable) {
// Is the variable required?
if (!$data['env_' . $variable->env_variable]) {
if ($variable->required === 1) {
throw new DisplayException('A required service option variable field (env_' . $variable->env_variable . ') was missing from the request.');
}
$variableList = array_merge($variableList, [[
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'id' => $variable->id,
'env' => $variable->env_variable,
'val' => $variable->default_value
]]);
continue;
}
// Check aganist Regex Pattern
if (!is_null($variable->regex) && !preg_match($variable->regex, $data['env_' . $variable->env_variable])) {
throw new DisplayException('Failed to validate service option variable field (env_' . $variable->env_variable . ') aganist regex (' . $variable->regex . ').');
}
$variableList = array_merge($variableList, [[
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'id' => $variable->id,
'env' => $variable->env_variable,
'val' => $data['env_' . $variable->env_variable]
]]);
continue;
}
}
// Check Overallocation
if (is_numeric($node->memory_overallocate) || is_numeric($node->disk_overallocate)) {
$totals = Models\Server::select(DB::raw('SUM(memory) as memory, SUM(disk) as disk'))->where('node', $node->id)->first();
// Check memory limits
if (is_numeric($node->memory_overallocate)) {
$newMemory = $totals->memory + $data['memory'];
$memoryLimit = ($node->memory * (1 + ($node->memory_overallocate / 100)));
if($newMemory > $memoryLimit) {
throw new DisplayException('The amount of memory allocated to this server would put the node over its allocation limits. This node is allowed ' . ($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) . '% (' . $newMemory . 'Mb) usage.');
}
}
// Check Disk Limits
if (is_numeric($node->disk_overallocate)) {
$newDisk = $totals->disk + $data['disk'];
$diskLimit = ($node->disk * (1 + ($node->disk_overallocate / 100)));
if($newDisk > $diskLimit) {
throw new DisplayException('The amount of disk allocated to this server would put the node over its allocation limits. This node is allowed ' . ($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.');
}
}
}
DB::beginTransaction();
$uuid = new UuidService;
// Add Server to the Database
$server = new Models\Server;
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$generatedUuid = $uuid->generate('servers', 'uuid');
$server->fill([
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'uuid' => $generatedUuid,
'uuidShort' => $uuid->generateShort('servers', 'uuidShort', $generatedUuid),
'node' => $data['node'],
'name' => $data['name'],
'active' => 1,
'owner' => $user->id,
'memory' => $data['memory'],
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'swap' => $data['swap'],
'disk' => $data['disk'],
'io' => $data['io'],
'cpu' => $data['cpu'],
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'oom_disabled' => (isset($data['oom_disabled'])) ? true : false,
'ip' => $data['ip'],
'port' => $data['port'],
'service' => $data['service'],
'option' => $data['option'],
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'startup' => $data['startup'],
'daemonSecret' => $uuid->generate('servers', 'daemonSecret'),
'username' => $this->generateSFTPUsername($data['name'])
]);
$server->save();
// Mark Allocation in Use
$allocation->assigned_to = $server->id;
$allocation->save();
// Add Variables
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$environmentVariables = [];
$environmentVariables = array_merge($environmentVariables, [
'STARTUP' => $data['startup']
]);
foreach($variableList as $item) {
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$environmentVariables = array_merge($environmentVariables, [
$item['env'] => $item['val']
]);
Models\ServerVariables::create([
'server_id' => $server->id,
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'variable_id' => $item['id'],
'variable_value' => $item['val']
]);
}
try {
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$client = Models\Node::guzzleRequest($node->id);
$client->request('POST', '/servers', [
'headers' => [
'X-Access-Token' => $node->daemonSecret
],
'json' => [
'uuid' => (string) $server->uuid,
'user' => $server->username,
'build' => [
'default' => [
'ip' => $server->ip,
'port' => (int) $server->port
],
'ports' => [
(string) $server->ip => [ (int) $server->port ]
],
'env' => $environmentVariables,
'memory' => (int) $server->memory,
'swap' => (int) $server->swap,
'io' => (int) $server->io,
'cpu' => (int) $server->cpu,
'disk' => (int) $server->disk,
'image' => (isset($data['custom_image_name'])) ? $data['custom_image_name'] : $option->docker_image
],
'service' => [
'type' => $service->file,
'option' => $option->tag
],
'keys' => [
(string) $server->daemonSecret => [
's:get',
's:power',
's:console',
's:command',
's:files:get',
's:files:read',
's:files:post',
's:files:delete',
's:files:upload',
's:set-password'
]
],
'rebuild' => false
]
]);
DB::commit();
return $server->id;
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} catch (\GuzzleHttp\Exception\TransferException $ex) {
DB::rollBack();
throw new DisplayException('An error occured while attempting to update the configuration: ' . $ex->getMessage());
} catch (\Exception $ex) {
DB::rollBack();
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Log:error($ex);
throw $ex;
}
}
/**
* [updateDetails description]
* @param integer $id
* @param array $data
* @return boolean
*/
public function updateDetails($id, array $data)
{
$uuid = new UuidService;
$resetDaemonKey = false;
// Validate Fields
$validator = Validator::make($data, [
'owner' => 'email|exists:users,email',
'name' => 'regex:([\w -]{4,35})'
]);
// Run validator, throw catchable and displayable exception if it fails.
// Exception includes a JSON result of failed validation rules.
if ($validator->fails()) {
throw new DisplayValidationException($validator->errors());
}
DB::beginTransaction();
$server = Models\Server::findOrFail($id);
$owner = Models\User::findOrFail($server->owner);
// Update daemon secret if it was passed.
if ((isset($data['reset_token']) && $data['reset_token'] === true) || (isset($data['owner']) && $data['owner'] !== $owner->email)) {
$oldDaemonKey = $server->daemonSecret;
$server->daemonSecret = $uuid->generate('servers', 'daemonSecret');
$resetDaemonKey = true;
}
// Update Server Owner if it was passed.
if (isset($data['owner']) && $data['owner'] !== $owner->email) {
$newOwner = Models\User::select('id')->where('email', $data['owner'])->first();
$server->owner = $newOwner->id;
}
// Update Server Name if it was passed.
if (isset($data['name'])) {
$server->name = $data['name'];
}
// Save our changes
$server->save();
// Do we need to update? If not, return successful.
if (!$resetDaemonKey) {
DB::commit();
return true;
}
// If we need to update do it here.
try {
$node = Models\Node::getByID($server->node);
$client = Models\Node::guzzleRequest($server->node);
$res = $client->request('PATCH', '/server', [
'headers' => [
'X-Access-Server' => $server->uuid,
'X-Access-Token' => $node->daemonSecret
],
'exceptions' => false,
'json' => [
'keys' => [
(string) $oldDaemonKey => [],
(string) $server->daemonSecret => [
's:get',
's:power',
's:console',
's:command',
's:files:get',
's:files:read',
's:files:post',
's:files:delete',
's:files:upload',
's:set-password'
]
]
]
]);
if ($res->getStatusCode() === 204) {
DB::commit();
return true;
} else {
throw new DisplayException('Daemon returned a a non HTTP/204 error code. HTTP/' + $res->getStatusCode());
}
} catch (\Exception $ex) {
DB::rollBack();
Log::error($ex);
throw new DisplayException('An error occured while attempting to update this server\'s information.');
}
}
/**
* [changeBuild description]
* @param integer $id
* @param array $data
* @return boolean
*/
public function changeBuild($id, array $data)
{
$validator = Validator::make($data, [
'default' => [
'string',
'regex:/^(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5]))\.(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5]))\.(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5]))\.(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5])):(\d{1,5})$/'
],
'add_additional' => 'array',
'remove_additional' => 'array',
'memory' => 'integer|min:0',
'swap' => 'integer|min:0',
'io' => 'integer|min:10|max:1000',
'cpu' => 'integer|min:0',
'disk' => 'integer|min:0'
]);
// Run validator, throw catchable and displayable exception if it fails.
// Exception includes a JSON result of failed validation rules.
if ($validator->fails()) {
throw new DisplayValidationException($validator->errors());
}
DB::beginTransaction();
$server = Models\Server::findOrFail($id);
if (isset($data['default'])) {
list($ip, $port) = explode(':', $data['default']);
if ($ip !== $server->ip || $port !== $server->port) {
$allocation = Models\Allocation::where('ip', $ip)->where('port', $port)->where('assigned_to', $server->id)->get();
if (!$allocation) {
throw new DisplayException('The assigned default connection (' . $ip . ':' . $prot . ') is not allocated to this server.');
}
$server->ip = $ip;
$server->port = $port;
}
}
// Remove Assignments
if (isset($data['remove_additional'])) {
foreach ($data['remove_additional'] as $id => $combo) {
list($ip, $port) = explode(':', $combo);
// Invalid, not worth killing the whole thing, we'll just skip over it.
if (!filter_var($ip, FILTER_VALIDATE_IP) || !preg_match('/^(\d{1,5})$/', $port)) {
continue;
}
// Can't remove the assigned IP/Port combo
if ($ip === $server->ip && $port === $server->port) {
continue;
}
Models\Allocation::where('ip', $ip)->where('port', $port)->where('assigned_to', $server->id)->update([
'assigned_to' => null
]);
}
}
// Add Assignments
if (isset($data['add_additional'])) {
foreach ($data['add_additional'] as $id => $combo) {
list($ip, $port) = explode(':', $combo);
// Invalid, not worth killing the whole thing, we'll just skip over it.
if (!filter_var($ip, FILTER_VALIDATE_IP) || !preg_match('/^(\d{1,5})$/', $port)) {
continue;
}
// Don't allow double port assignments
if (Models\Allocation::where('port', $port)->where('assigned_to', $server->id)->count() !== 0) {
continue;
}
Models\Allocation::where('ip', $ip)->where('port', $port)->whereNull('assigned_to')->update([
'assigned_to' => $server->id
]);
}
}
// Loop All Assignments
$additionalAssignments = [];
$assignments = Models\Allocation::where('assigned_to', $server->id)->get();
foreach ($assignments as &$assignment) {
if (array_key_exists((string) $assignment->ip, $additionalAssignments)) {
array_push($additionalAssignments[ (string) $assignment->ip ], (int) $assignment->port);
} else {
$additionalAssignments[ (string) $assignment->ip ] = [ (int) $assignment->port ];
}
}
// @TODO: verify that server can be set to this much memory without
// going over node limits.
if (isset($data['memory'])) {
$server->memory = $data['memory'];
}
if (isset($data['swap'])) {
$server->swap = $data['swap'];
}
// @TODO: verify that server can be set to this much disk without
// going over node limits.
if (isset($data['disk'])) {
$server->disk = $data['disk'];
}
if (isset($data['cpu'])) {
$server->cpu = $data['cpu'];
}
if (isset($data['io'])) {
$server->io = $data['io'];
}
try {
$node = Models\Node::getByID($server->node);
$client = Models\Node::guzzleRequest($server->node);
$client->request('PATCH', '/server', [
'headers' => [
'X-Access-Server' => $server->uuid,
'X-Access-Token' => $node->daemonSecret
],
'json' => [
'build' => [
'default' => [
'ip' => $server->ip,
'port' => (int) $server->port
],
'ports|overwrite' => $additionalAssignments,
'memory' => (int) $server->memory,
'swap' => (int) $server->swap,
'io' => (int) $server->io,
'cpu' => (int) $server->cpu,
'disk' => (int) $server->disk
]
]
]);
$server->save();
DB::commit();
return true;
} catch (\GuzzleHttp\Exception\TransferException $ex) {
DB::rollBack();
throw new DisplayException('An error occured while attempting to update the configuration: ' . $ex->getMessage());
}
}
public function updateStartup($id, array $data)
{
$server = Models\Server::findOrFail($id);
DB::beginTransaction();
// Check the startup
if (isset($data['startup'])) {
$server->startup = $data['startup'];
$server->save();
}
// Check those Variables
$variables = Models\ServiceVariables::select('service_variables.*', 'server_variables.variable_value as a_currentValue')
->join('server_variables', 'server_variables.variable_id', '=', 'service_variables.id')
->where('option_id', $server->option)->get();
$variableList = [];
if ($variables) {
foreach($variables as &$variable) {
// Move on if the new data wasn't even sent
if (!isset($data[$variable->env_variable])) {
$variableList = array_merge($variableList, [[
'id' => $variable->id,
'env' => $variable->env_variable,
'val' => $variable->a_currentValue
]]);
continue;
}
// Update Empty but skip validation
if (empty($data[$variable->env_variable])) {
$variableList = array_merge($variableList, [[
'id' => $variable->id,
'env' => $variable->env_variable,
'val' => null
]]);
continue;
}
// Is the variable required?
// @TODO: is this even logical to perform this check?
if (isset($data[$variable->env_variable]) && empty($data[$variable->env_variable])) {
if ($variable->required === 1) {
throw new DisplayException('A required service option variable field (' . $variable->env_variable . ') was included in this request but was left blank.');
}
}
// Check aganist Regex Pattern
if (!is_null($variable->regex) && !preg_match($variable->regex, $data[$variable->env_variable])) {
throw new DisplayException('Failed to validate service option variable field (' . $variable->env_variable . ') aganist regex (' . $variable->regex . ').');
}
$variableList = array_merge($variableList, [[
'id' => $variable->id,
'env' => $variable->env_variable,
'val' => $data[$variable->env_variable]
]]);
}
}
// Add Variables
$environmentVariables = [];
$environmentVariables = array_merge($environmentVariables, [
'STARTUP' => $server->startup
]);
foreach($variableList as $item) {
$environmentVariables = array_merge($environmentVariables, [
$item['env'] => $item['val']
]);
$var = Models\ServerVariables::where('server_id', $server->id)->where('variable_id', $item['id'])->update([
'variable_value' => $item['val']
]);
}
try {
$node = Models\Node::getByID($server->node);
$client = Models\Node::guzzleRequest($server->node);
$client->request('PATCH', '/server', [
'headers' => [
'X-Access-Server' => $server->uuid,
'X-Access-Token' => $node->daemonSecret
],
'json' => [
'build' => [
'env|overwrite' => $environmentVariables
]
]
]);
DB::commit();
return true;
} catch (\GuzzleHttp\Exception\TransferException $ex) {
DB::rollBack();
throw new DisplayException('An error occured while attempting to update the server configuration: ' . $ex->getMessage());
} catch (\Exception $e) {
DB::rollBack();
throw $e;
}
}
public function deleteServer($id, $force)
{
$server = Models\Server::findOrFail($id);
$node = Models\Node::findOrFail($server->node);
DB::beginTransaction();
// Delete Allocations
Models\Allocation::where('assigned_to', $server->id)->update([
'assigned_to' => null
]);
// Remove Variables
Models\ServerVariables::where('server_id', $server->id)->delete();
// Remove SubUsers
Models\Subuser::where('server_id', $server->id)->delete();
// Remove Permissions
Models\Permission::where('server_id', $server->id)->delete();
// Remove Downloads
Models\Download::where('server', $server->uuid)->delete();
try {
$client = Models\Node::guzzleRequest($server->node);
$client->request('DELETE', '/servers', [
'headers' => [
'X-Access-Token' => $node->daemonSecret,
'X-Access-Server' => $server->uuid
]
]);
$server->delete();
DB::commit();
return true;
} catch (\GuzzleHttp\Exception\TransferException $ex) {
if ($force === 'force') {
$server->delete();
DB::commit();
return true;
} else {
DB::rollBack();
Log::error($ex);
throw new DisplayException('An error occured while attempting to delete the server on the daemon: ' . $ex->getMessage());
}
} catch (\Exception $ex) {
DB::rollBack();
throw $ex;
}
}
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public function toggleInstall($id)
{
$server = Models\Server::findOrFail($id);
$server->installed = ($server->installed === 1) ? 0 : 1;
return $server->save();
}
}