172 lines
4 KiB
PHP
172 lines
4 KiB
PHP
<?php
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namespace Friendica\Console;
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use Asika\SimpleConsole\CommandArgsException;
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use Asika\SimpleConsole\Console;
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use Console_Table;
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use Friendica\BaseObject;
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use Friendica\Core\Config\Configuration;
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/**
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* @brief Manage blocked servers
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*
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* With this tool, you can list the current blocked servers
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* or you can add / remove a blocked server from the list
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*/
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class ServerBlock extends Console
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{
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const DEFAULT_REASON = 'blocked';
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protected $helpOptions = ['h', 'help', '?'];
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protected function getHelp()
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{
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$help = <<<HELP
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console serverblock - Manage blocked servers
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Usage
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bin/console serverblock [-h|--help|-?] [-v]
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bin/console serverblock add <server> <reason> [-h|--help|-?] [-v]
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bin/console serverblock remove <server> [-h|--help|-?] [-v]
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Description
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With this tool, you can list the current blocked servers
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or you can add / remove a blocked server from the list
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Options
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-h|--help|-? Show help information
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-v Show more debug information.
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HELP;
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return $help;
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}
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protected function doExecute()
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{
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$a = BaseObject::getApp();
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if (count($this->args) == 0) {
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$this->printBlockedServers($a->getConfig());
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return 0;
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}
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switch ($this->getArgument(0)) {
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case 'add':
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return $this->addBlockedServer($a->getConfig());
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case 'remove':
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return $this->removeBlockedServer($a->getConfig());
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default:
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throw new CommandArgsException('Unknown command.');
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break;
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}
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}
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/**
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* Prints the whole list of blocked domains including the reason
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*
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* @param Configuration $config
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*/
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private function printBlockedServers(Configuration $config)
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{
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$table = new Console_Table();
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$table->setHeaders(['Domain', 'Reason']);
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$blocklist = $config->get('system', 'blocklist');
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foreach ($blocklist as $domain) {
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$table->addRow($domain);
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}
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$this->out($table->getTable());
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}
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/**
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* Adds a server to the blocked list
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*
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* @param Configuration $config
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*
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* @return int The return code (0 = success, 1 = failed)
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*/
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private function addBlockedServer(Configuration $config)
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{
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if (count($this->args) < 2 || count($this->args) > 3) {
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throw new CommandArgsException('Add needs a domain and optional a reason.');
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}
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$domain = $this->getArgument(1);
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$reason = (count($this->args) === 3) ? $this->getArgument(2) : self::DEFAULT_REASON;
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$update = false;
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$currBlocklist = $config->get('system', 'blocklist');
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$newBlockList = [];
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foreach ($currBlocklist as $blocked) {
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if ($blocked['domain'] === $domain) {
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$update = true;
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$newBlockList[] = [
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'domain' => $domain,
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'reason' => $reason,
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];
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} else {
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$newBlockList[] = $blocked;
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}
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}
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if (!$update) {
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$newBlockList[] = [
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'domain' => $domain,
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'reason' => $reason,
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];
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}
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if ($config->set('system', 'blocklist', $newBlockList)) {
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if ($update) {
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$this->out(sprintf("The domain '%s' is now updated. (Reason: '%s')", $domain, $reason));
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} else {
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$this->out(sprintf("The domain '%s' is now blocked. (Reason: '%s')", $domain, $reason));
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}
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return 0;
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} else {
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$this->out(sprintf("Couldn't save '%s' as blocked server", $domain));
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return 1;
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}
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}
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/**
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* Removes a server from the blocked list
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*
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* @param Configuration $config
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*
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* @return int The return code (0 = success, 1 = failed)
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*/
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private function removeBlockedServer(Configuration $config)
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{
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if (count($this->args) !== 2) {
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throw new CommandArgsException('Remove needs a second parameter.');
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}
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$domain = $this->getArgument(1);
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$found = false;
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$currBlocklist = $config->get('system', 'blocklist');
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$newBlockList = [];
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foreach ($currBlocklist as $blocked) {
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if ($blocked['domain'] === $domain) {
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$found = true;
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} else {
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$newBlockList[] = $blocked;
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}
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}
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if (!$found) {
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$this->out(sprintf("The domain '%s' is not blocked.", $domain));
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return 1;
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}
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if ($config->set('system', 'blocklist', $newBlockList)) {
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$this->out(sprintf("The domain '%s' is not more blocked", $domain));
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return 0;
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} else {
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$this->out(sprintf("Couldn't remove '%s' from blocked servers", $domain));
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return 1;
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}
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}
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}
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