989 lines
28 KiB
PHP
989 lines
28 KiB
PHP
<?php
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namespace App\Classes;
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use Illuminate\Support\Facades\Log;
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use Illuminate\Database\Eloquent\ModelNotFoundException;
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use Sock\{SocketClient,SocketException};
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use App\User;
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use App\Classes\Frame as FrameClass;
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use App\Models\Frame as FrameModel;
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use App\Models\Mode;
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abstract class Server {
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private $mo = NULL; // Our Mode object
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private $co = NULL;
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protected $blp = 0; // Size of Bottom Line Pollution
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protected $baseline = ''; // Whats on the baseline currently
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protected $pid = NULL; // Client PID
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public function __construct(Mode $o)
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{
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$this->mo = $o;
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define('MODE_BL', 1); // Typing a * command on the baseline
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define('MODE_FIELD', 2); // typing into an input field
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define('MODE_WARPTO', 3); // awaiting selection of a timewarp
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define('MODE_COMPLETE', 4); // Entry of data is complete ..
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define('MODE_SUBMITRF', 5); // asking if should send or not.
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define('MODE_RFSENT', 6);
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define('MODE_RFERROR', 7);
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define('MODE_RFNOTSENT', 8);
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define('ACTION_RELOAD', 1);
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define('ACTION_GOTO', 2);
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define('ACTION_BACKUP', 3);
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define('ACTION_NEXT', 4);
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define('ACTION_INFO', 5);
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define('ACTION_TERMINATE', 6);
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define('ACTION_SUBMITRF', 7); // Offer to submit a response frame
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define('ACTION_STAR', 8);
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define('CONTROL_TELNET', 1); // Telnet session control
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define('CONTROL_METHOD', 2); // Send input to an external method
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// Keyboard presses
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define('KEY_DELETE', chr(8));
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define('KEY_LEFT', chr(136));
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define('KEY_RIGHT', chr(137));
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define('KEY_DOWN', chr(138));
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define('KEY_UP', chr(139));
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define('TCP_IAC', chr(255));
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define('TCP_DONT', chr(254));
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define('TCP_DO', chr(253));
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define('TCP_WONT', chr(252));
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define('TCP_WILL', chr(251));
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define('TCP_SB', chr(250));
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define('TCP_AYT', chr(246));
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define('TCP_SE', chr(240));
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define('TCP_BINARY', chr(0));
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define('TCP_OPT_ECHO', chr(1));
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define('TCP_OPT_SUP_GOAHEAD', chr(3));
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define('TCP_OPT_TERMTYPE', chr(24));
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define('TCP_OPT_WINDOWSIZE', chr(31));
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define('TCP_OPT_LINEMODE', chr(34));
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define('MSG_SENDORNOT', GREEN.'KEY 1 TO SEND, 2 NOT TO SEND');
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define('MSG_SENT', GREEN.'MESSAGE SENT - KEY '.HASH.' TO CONTINUE');
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define('MSG_NOTSENT', GREEN.'MESSAGE NOT SENT - KEY '.HASH.' TO CONTINUE');
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define('ERR_DATABASE', RED.'UNAVAILABLE AT PRESENT - PLSE TRY LATER');
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define('ERR_NOTSENT', WHITE.'MESSAGE NOT SENT DUE TO AN ERROR');
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define('ERR_PRIVATE', WHITE.'PRIVATE PAGE'.GREEN.'- FOR EXPLANATION *37'.HASH.'..');
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define('ERR_ROUTE', WHITE.'MISTAKE?'.GREEN.'TRY AGAIN OR TELL US ON *08');
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define('ERR_PAGE',ERR_ROUTE);
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define('ERR_USER_ALREADYMEMBER', RED.'ALREADY MEMBER OF CUG');
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define('MSG_TIMEWARP_ON', WHITE.'TIMEWARP ON'.GREEN.'VIEW INFO WITH *02');
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define('MSG_TIMEWARP_OFF', WHITE.'TIMEWARP OFF'.GREEN.'VIEWING DATE IS FIXED');
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define('MSG_TIMEWARP_TO', GREEN.'TIMEWARP TO %s');
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define('MSG_TIMEWARP', WHITE.'OTHER VERSIONS EXIST'.GREEN.'KEY *02 TO VIEW');
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}
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public function client()
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{
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return $this->co;
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}
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public function log(string $mode,string $message,array $data=[])
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{
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Log::$mode(sprintf('%s: %s',$this->pid,$message),$data);
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}
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/**
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* Connection handler
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*
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* @param SocketClient $client
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* @return bool|void
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* @throws SocketException
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*/
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function onConnect(SocketClient $client) {
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$pid = pcntl_fork();
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if ($pid == -1)
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throw new SocketException(SocketException::CANT_ACCEPT,'Could not fork process');
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// Parent return ready for next connection
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elseif ($pid)
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return;
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$fo = NULL;
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$this->co = $client;
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$this->pid = getmypid();
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$this->log('info','Connection from: ',['client'=>$client->getAddress(),'server'=>$this->mo->name]);
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// We are now the child.
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try {
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$session = NULL; // TCP Session Details
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$client->send(TCP_IAC.TCP_DO.TCP_OPT_SUP_GOAHEAD); // DO SUPPRES GO AHEAD
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$client->send(TCP_IAC.TCP_WONT.TCP_OPT_LINEMODE); // WONT LINEMODE
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$client->send(TCP_IAC.TCP_DO.TCP_OPT_ECHO); // DO ECHO
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// $client->send(TCP_IAC.TCP_AYT); // AYT
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$client->send(TCP_IAC.TCP_DO.TCP_OPT_TERMTYPE.TCP_IAC.TCP_SB.TCP_OPT_TERMTYPE.TCP_OPT_ECHO.TCP_IAC.TCP_SE); // Request Term Type
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$client->send(CLS.COFF);
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// Setup VARS
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$timewarp = FALSE; // Is timewarp active.
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$timewarpalt = FALSE; // Alternative timewarp frame to get
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$history = collect(); // Page history for going backwards
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$action = ACTION_GOTO; // Initial action.
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$control = FALSE; // Logic in control
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$mode = FALSE; // Current mode.
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$cmd = ''; // Current *command being typed in
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$user = new User; // The logged in user
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$method = collect(); // Method in control for CONTROL_METHOD
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$current = []; // Attributes about the current page
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// field/fieldnum indexes are for fields on the active page
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$current['fieldreset'] = FALSE; // Flag to reset position (used in fields)
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$current['fieldpos'] = 0; // For current field, position within.
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$current['prevmode'] = FALSE; // Previous mode - in case we need to go back to MODE_FIELD
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// @todo Get the login/start page, and if it is not available, throw the ERR_DATEBASE error.
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if (isset($config['loginpage'])) {
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$page = ['frame'=>$config['loginpage']];
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} else if (!empty($service['start_page'])) {
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$page = ['frame'=>$service['start_page']];
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} else {
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$page = ['frame'=>'980']; // next page
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}
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while ($action != ACTION_TERMINATE) {
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// Read a character from the client session
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$read = $client->read(1);
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printf(". Got: %s (%s): Mode: [%s], Action: [%s], Control: [%s]\n",$read,ord($read),$mode,$action,$control);
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// It appears that read will return '' instead of false when a disconnect has occurred.
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// We'll set it to NULL so its caught later
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if ($read === '')
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$read = NULL;
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if ($read != '') {
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if ($read == TCP_IAC) {
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// If we are not already in a TELNET LOOP
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if ($control !== CONTROL_TELNET) {
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$control = CONTROL_TELNET;
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// Remember our Telnet Session Object
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// @todo We might need to clear out the old mode/action states
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if (! $session) {
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$session = Control::factory('telnet',$this);
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}
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$method->push($session);
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}
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}
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if ($control AND $method->count()) {
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printf("= Control going to method: %s\n", get_class($method->last()));
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// Capture our state when we enter this method.
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if (! array_key_exists('control',$method->last()->state)) {
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$method->last()->state['control'] = $control;
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$method->last()->state['action'] = $action;
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}
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$method->last()->state['mode'] = $mode;
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$action = FALSE;
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// Pass Control to Method
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$read = $method->last()->handle($read,$current);
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$mode = $method->last()->state['mode'];
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if ($method->last()->complete()) {
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printf("- Control complete: %s\n",get_class($method->last()));
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$save = $method->pop();
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if ($method->count()) {
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$control = $method->last()->state['control'];
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} else {
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$mode = $save->state['mode'];
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$action = $save->state['action'];
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$control = FALSE;
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}
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dump(sprintf('End: Control is now: %s: Method Count: %s',is_object($control) ? get_class($control) : serialize($control),$method->count()));
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}
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}
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printf("- End Control: Read %s (%s): Mode: [%s], Action: [%s], Control: [%s]\n",$read,ord($read),$mode,$action,$control);
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switch ($mode) {
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// Key presses during field input.
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case MODE_FIELD:
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$cmd = '';
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$action = FALSE;
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switch ($fo->type()) {
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// Login frame.
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case Frame::FRAMETYPE_LOGIN:
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switch ($read) {
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case HASH:
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// If we are the main login screen, see if it is a new user
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if ($fo->isCUG(0))
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{
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if ($current['field']->type == 't' AND array_get($fielddata,$current['fieldnum']) == 'NEW')
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{
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$action = ACTION_GOTO;
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$page = ['frame'=>'981']; // @todo This should be in the DB.
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break 2;
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}
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}
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break;
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}
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// Response frame.
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case Frame::FRAMETYPE_ACTION:
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switch ($read) {
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// End of field entry.
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case LF:
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case HASH:
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// Next Field
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$current['fieldnum']++;
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$current['fieldpos'] = 0;
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if ($current['fieldnum'] < $fo->fields->count()) {
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$current['fieldnum'] = $fo->getFieldId('edit',$current['fieldnum']);
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if ($current['fieldnum'] !== FALSE) {
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$current['field'] = $fo->getField($current['fieldnum']);
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$client->send($this->outputPosition($current['field']->x,$current['field']->y).CON);
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$mode = MODE_FIELD;
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// There were no (more) editable fields.
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} else {
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$action = ACTION_SUBMITRF;
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}
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} else {
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// Finished all editable fields.
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$action = ACTION_SUBMITRF;
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}
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break;
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case STAR:
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$current['prevmode'] = MODE_FIELD;
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$action = ACTION_STAR;
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$current['fieldpos'] = 0;
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$fielddata[$current['fieldnum']] = '';
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$current['fielddata'][$current['fieldnum']] = '';
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break;
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case KEY_DELETE:
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if ($current['fieldpos'])
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{
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$current['fieldpos']--;
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$client->send(LEFT.$fo::$if_filler.LEFT);
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$fielddata[$current['fieldnum']] = substr($fielddata[$current['fieldnum']],0,-1);
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$current['fielddata'][$current['fieldnum']] = substr($current['fielddata'][$current['fieldnum']],0,-1);
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}
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break;
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case KEY_LEFT:
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if ($current['fieldpos']) {
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$current['fieldpos']--;
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$client->send(LEFT);
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}
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break;
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case KEY_RIGHT:
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if ($current['fieldpos']++ < $current['field']->length)
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$client->send(RIGHT);
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break;
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case KEY_DOWN:
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if ($current['fieldpos'] + 40 < $current['field']->length) {
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$client->send(DOWN);
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$current['fieldpos'] = $current['fieldpos'] + 40;
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};
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break;
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case KEY_UP:
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if ($current['fieldpos'] - 40 >= 0) {
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$client->send($read);
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$current['fieldpos'] = $current['fieldpos'] - 40;
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};
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break;
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case CR:
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// On second or later line of a field
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if ($current['fieldpos'] + $current['field']->x > 40) {
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$client->send($read);
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$current['fieldpos'] = (($current['fieldpos'] + $current['field']->x) % 40) * 40;
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} else {
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$client->send($this->outputPosition($current['field']->x,$current['field']->y).CON);
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$current['fieldpos'] = 0;
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}
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break;
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case ESC:
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break;
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// Record Data Entry
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default:
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if (ord($read) > 31 && $current['fieldpos'] < $current['field']->length) {
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if (! array_key_exists($current['fieldnum'],$current['fielddata'])) {
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$current['fielddata'][$current['fieldnum']] = '';
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$fielddata[$current['fieldnum']] = '';
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}
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$fielddata[$current['fieldnum']]{$current['fieldpos']} = $read; // @todo delete
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$current['fielddata'][$current['fieldnum']]{$current['fieldpos']} = $read;
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$current['fieldpos']++;
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$client->send($fo->isFieldMasked($current['field']->type) ?: $read);
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}
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}
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break;
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// Other Frame Types - Shouldnt get here.
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default:
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$client->close();
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throw new \Exception('Shouldnt get here', 500);
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}
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break;
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// Form submission: 1 to send, 2 not to send.
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case MODE_SUBMITRF:
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switch ($read) {
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// @todo Input received, process it.
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case '1':
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$route = $fo->route(1);
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// If we are in a control method, complete it
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if ($control AND $method->count()) {
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$method->last()->process();
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} elseif ($route == '*' OR is_numeric($route)) {
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$this->sendBaseline($client,RED.'NO ACTION PERFORMED');
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$mode = MODE_RFSENT;
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} elseif ($ao = FrameClass\Action::factory($fo->route(1),$this,$user,$action,$mode)) {
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$ao->handle($fielddata);
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$mode = $ao->mode;
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$action = $ao->action;
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$user = $ao->uo;
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if ($ao->page)
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$page = $ao->page;
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} else {
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$this->sendBaseline($client, RED.'NO method exists...');
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$mode = MODE_RFSENT;
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}
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break;
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case '2':
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$this->sendBaseline($client,MSG_NOTSENT);
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$mode = MODE_RFNOTSENT;
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// If a Control method was rejected, we can clear it
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if ($control AND $method->count()) {
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$method->pop();
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if ($method->count()) {
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$control = $method->last()->state['control'];
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} else {
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$mode = $save->state['mode'];
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$action = $save->state['action'];
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$control = FALSE;
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}
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}
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break;
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case STAR:
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$action = ACTION_STAR;
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break;
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}
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break;
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// Response form after Sent processing
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case MODE_RFSENT:
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$client->send(COFF);
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if ($read == HASH) {
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if ($route = $fo->route(2) AND $route !== '*' AND is_numeric($route)) {
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$page = ['frame'=>$route];
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} elseif (FrameModel::where('frame',$fo->frame())->where('index',$fo->index_next())->exists()) {
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$page = ['frame'=>$fo->frame(),'index'=>$fo->index_next()];
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} elseif ($route = $fo->route(0) AND $route !== '*' AND is_numeric($route)) {
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$page = ['frame'=>$route];
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// No further routes defined, go home.
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} else {
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$page = ['frame'=>0];
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}
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$action = ACTION_GOTO;
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} elseif ($read == STAR) {
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$action = ACTION_STAR;
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break;
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}
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break;
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// Response form after NOT sending
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case MODE_RFNOTSENT:
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// Response form ERROR
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case MODE_RFERROR:
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$client->send(COFF);
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if ($read == HASH) {
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if ($route = $fo->route(2) AND $route !== '*' AND is_numeric($route)) {
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$page = ['frame'=>$route];
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} elseif (FrameModel::where('frame',$fo->frame())->where('index',$fo->index_next())->exists()) {
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$page = ['frame'=>$fo->frame(),'index'=>$fo->index_next()];
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} elseif ($route = $fo->route(0) AND $route !== '*' AND is_numeric($route)) {
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$page = ['frame'=>$route];
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// No further routes defined, go home.
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} else {
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$page = ['frame'=>0];
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}
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$action = ACTION_GOTO;
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} elseif ($read == STAR) {
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$action = ACTION_STAR;
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break;
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}
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break;
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// List of alternate frames has been presented
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case MODE_WARPTO:
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if (is_numeric($read) AND $read) {
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$timewarpalt = $alts->get($read-1)->id;
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$action = ACTION_GOTO;
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} elseif ($read === '0') {
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$action = ACTION_RELOAD;
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}
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break;
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// Not doing anything in particular.
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case MODE_COMPLETE:
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case FALSE:
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$this->log('debug','Idle');
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$cmd = '';
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switch ($read) {
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case HASH:
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$action = ACTION_NEXT;
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break;
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case STAR:
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$action = ACTION_STAR;
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break;
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// Frame Routing
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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if (is_numeric($fo->route($read))) {
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$page = ['frame'=>$fo->route($read),'index'=>'a'];
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$action = ACTION_GOTO;
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} else {
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$this->sendBaseline($client,ERR_ROUTE);
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$mode = $action = FALSE;
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}
|
|
|
|
break;
|
|
}
|
|
|
|
break;
|
|
|
|
// Currently accepting baseline input after a * was received
|
|
case MODE_BL:
|
|
echo "- Waiting for Page Number\n";
|
|
|
|
// if it's a number, continue entry
|
|
if (strpos('0123456789', $read) !== FALSE) {
|
|
$cmd .= $read;
|
|
$client->send($read);
|
|
$this->blp++;
|
|
}
|
|
|
|
// if we hit a special numeric command, deal with it.
|
|
// Refresh page
|
|
if ($cmd === '00') {
|
|
$client->send(COFF);
|
|
$action = ACTION_RELOAD;
|
|
$cmd = '';
|
|
|
|
break;
|
|
}
|
|
|
|
// Toggle Timewarp Mode
|
|
// @todo in forms, the cursor is in the wrong location for ANSI
|
|
if ($cmd === '01') {
|
|
$client->send(COFF);
|
|
$timewarp = !$timewarp;
|
|
$this->sendBaseline($client, ($timewarp ? MSG_TIMEWARP_ON : MSG_TIMEWARP_OFF));
|
|
$cmd = '';
|
|
$action = $mode = FALSE;
|
|
|
|
break;
|
|
}
|
|
|
|
// Present Timewarp Frames
|
|
// @todo in forms, the cursor is in the wrong location for ANSI
|
|
if ($cmd === '02') {
|
|
$client->send(COFF);
|
|
$action = ACTION_INFO;
|
|
$cmd = '';
|
|
|
|
break;
|
|
}
|
|
|
|
// Bookmark page
|
|
if ($cmd === '05') {
|
|
$this->sendBaseline($client, RED.'NOT IMPLEMENTED YET?');
|
|
$mode = FALSE;
|
|
|
|
break;
|
|
}
|
|
|
|
// Report a problem
|
|
if ($cmd === '08') {
|
|
$this->sendBaseline($client, RED.'NOT IMPLEMENTED YET?');
|
|
$mode = FALSE;
|
|
|
|
break;
|
|
}
|
|
|
|
// Reload page
|
|
if ($cmd === '09') {
|
|
$client->send(COFF);
|
|
$action = ACTION_GOTO;
|
|
$cmd = '';
|
|
|
|
break;
|
|
}
|
|
|
|
// Another star aborts the command.
|
|
if ($read === STAR) {
|
|
$action = FALSE;
|
|
$this->sendBaseline($client,array_get($current,'baseline',''));
|
|
$cmd = '';
|
|
|
|
if ($current['prevmode'] == MODE_FIELD) {
|
|
$mode = $current['prevmode'];
|
|
$current['prevmode'] = FALSE;
|
|
|
|
// @todo The cursor color could be wrong
|
|
$client->send($this->outputPosition($current['field']->x,$current['field']->y).CON);
|
|
$client->send(str_repeat($fo::$if_filler, $current['field']->length));
|
|
$current['fieldreset'] = TRUE;
|
|
|
|
} else {
|
|
$mode = FALSE;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
// Complete request
|
|
if ($read === HASH or $read === LF) {
|
|
$client->send(COFF);
|
|
$timewarpalt = FALSE;
|
|
|
|
// Nothing typed between * and #
|
|
// *# means go back
|
|
if ($cmd === '') {
|
|
$action = ACTION_BACKUP;
|
|
|
|
} elseif ($cmd === '0') {
|
|
$page = $user->exists ? ['frame'=>1,'index'=>'a'] : ['frame'=>980,'index'=>'a']; // @todo Get from DB.
|
|
$action = ACTION_GOTO;
|
|
|
|
} else {
|
|
$page['frame'] = $cmd;
|
|
$page['index'] = 'a';
|
|
$action = ACTION_GOTO;
|
|
}
|
|
|
|
// Clear the command, we are finished processing
|
|
$cmd = '';
|
|
|
|
break;
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
$this->log('debug','Not sure what we were doing?');
|
|
}
|
|
}
|
|
|
|
printf("- End Mode: Read %s (%s): Mode: [%s], Action: [%s], Control: [%s]\n",$read,ord($read),$mode,$action,$control);
|
|
|
|
// This section performs some action if it is deemed necessary
|
|
if ($action) {
|
|
printf("+ Performing action: %s\n",$action);
|
|
}
|
|
|
|
switch ($action) {
|
|
case ACTION_STAR:
|
|
echo "+ Star command...\n";
|
|
|
|
// If there is something on the baseline, lets preserve it
|
|
if ($this->blp)
|
|
$current['baseline'] = $this->baseline;
|
|
|
|
$this->sendBaseline($client,GREEN.STAR,TRUE);
|
|
$client->send(CON);
|
|
$action = FALSE;
|
|
$mode = MODE_BL;
|
|
|
|
break;
|
|
|
|
case ACTION_SUBMITRF:
|
|
$action = FALSE;
|
|
$client->send(COFF);
|
|
$this->sendBaseline($client,MSG_SENDORNOT);
|
|
$mode = MODE_SUBMITRF;
|
|
|
|
break;
|
|
|
|
// GO Backwards
|
|
case ACTION_BACKUP:
|
|
// Do we have anywhere to go, drop the current page from the history.
|
|
if ($history->count() > 1)
|
|
$history->pop();
|
|
|
|
if ($control AND $method->count()) {
|
|
$method->pop();
|
|
|
|
if ($method->count()) {
|
|
$control = $method->last()->state['control'];
|
|
|
|
} else {
|
|
$mode = $save->state['mode'];
|
|
$action = $save->state['action'];
|
|
$control = FALSE;
|
|
}
|
|
}
|
|
|
|
$page = $history->last();
|
|
|
|
$this->log('debug','Backing up to:',$page);
|
|
|
|
// Go to next index frame.
|
|
case ACTION_NEXT:
|
|
// We need this extra test in case we come from ACTION_BACKUP
|
|
if ($action == ACTION_NEXT)
|
|
{
|
|
$current['page']['index'] = $fo->index();
|
|
$page['index'] = $fo->index_next();
|
|
}
|
|
|
|
// Look for requested page
|
|
case ACTION_GOTO:
|
|
$current['frame'] = $fo;
|
|
|
|
// If we wanted a "Searching..." message, this is where to put it.
|
|
try {
|
|
$fo = $timewarpalt
|
|
? $this->mo->frame(FrameModel::findOrFail($timewarpalt))
|
|
: $this->mo->frameLoad($page['frame'],array_get($page,'index','a'),$this);
|
|
|
|
$this->log('debug',sprintf('Fetched frame: %s (%s)',$fo->id(),$fo->page()));
|
|
|
|
} catch (ModelNotFoundException $e) {
|
|
$this->sendBaseline($client,ERR_PAGE);
|
|
$mode = $action = FALSE;
|
|
|
|
$fo = $current['frame'] ?: $this->mo->frame($this->testFrame());
|
|
|
|
break;
|
|
}
|
|
|
|
// Is there a user logged in
|
|
if ($user)
|
|
{
|
|
if ($fo->isFramePublic() AND $fo->isAccessible())
|
|
{
|
|
if ($fo->type() == Frame::FRAMETYPE_LOGIN AND $user->isMemberCUG($fo->getCUG()))
|
|
{
|
|
$this->sendBaseline($client,ERR_USER_ALREADYMEMBER);
|
|
$fo = $current['frame'];
|
|
$page = $history->last();
|
|
$mode = $action = FALSE;
|
|
$this->log('debug',sprintf('Frame Denied - Already Member: %s (%s)',$fo->id(),$fo->page()));
|
|
|
|
break;
|
|
}
|
|
|
|
// If this is a login frame and the user is already a member.
|
|
} else {
|
|
|
|
if (! $fo->isOwner($user))
|
|
{
|
|
if (! $fo->isAccessible())
|
|
{
|
|
$this->sendBaseline($client,ERR_PAGE);
|
|
$fo = $current['frame'];
|
|
$page = $history->last();
|
|
$mode = $action = FALSE;
|
|
$this->log('debug',sprintf('Frame Denied - In Accessible: %s (%s)',$fo->id(),$fo->page()));
|
|
|
|
break;
|
|
}
|
|
|
|
if (! $user->isMemberCUG($fo->getCUG()))
|
|
{
|
|
$this->sendBaseline($client, ERR_PRIVATE);
|
|
$fo = $current['frame'];
|
|
$page = $history->last();
|
|
$mode = $action = FALSE;
|
|
$this->log('debug',sprintf('Frame Denied - Not in CUG [%s]: %s (%s)',$fo->getCUG()->id,$fo->id(),$fo->page()));
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
} else {
|
|
// Is this a public frame in CUG 0?
|
|
if (! $fo->isCUG(0) OR ! $fo->isFramePublic())
|
|
{
|
|
$this->sendBaseline($client,ERR_PAGE);
|
|
$mode = $action = FALSE;
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
$current['page'] = $fo->page(TRUE);
|
|
$current['fieldpos'] = 0;
|
|
|
|
// Only if new location, not going backwards
|
|
if (($history->last() != $page) AND ($action == ACTION_GOTO || $action == ACTION_NEXT)) {
|
|
$history->push($page);
|
|
}
|
|
|
|
printf("+ Mode is: %s\n",$mode);
|
|
|
|
// drop into
|
|
case ACTION_RELOAD:
|
|
$this->sendBaseline($client,'');
|
|
$output = (string)$fo;
|
|
|
|
if ($timewarpalt) {
|
|
$this->sendBaseline($client,sprintf(MSG_TIMEWARP_TO,$fo->created() ? $fo->created()->format('Y-m-d H:i:s') : 'UNKNOWN'));
|
|
}
|
|
|
|
switch ($fo->type()) {
|
|
default:
|
|
// Standard Frame
|
|
case Frame::FRAMETYPE_INFO:
|
|
$client->send($output);
|
|
$mode = $action = FALSE;
|
|
|
|
break;
|
|
|
|
// Login Frame.
|
|
case Frame::FRAMETYPE_LOGIN:
|
|
$client->send($output);
|
|
$action = FALSE;
|
|
$output = '';
|
|
|
|
// If this is the registration page
|
|
// @todo Should be evaluated out of the DB
|
|
if ($fo->page() == '981a') {
|
|
$control = CONTROL_METHOD;
|
|
$method->push(Control::factory('register',$this));
|
|
$method->last()->state['control'] = $control;
|
|
$method->last()->state['action'] = FALSE;
|
|
$method->last()->state['mode'] = MODE_FIELD;
|
|
}
|
|
|
|
// Active Frame. Prestel uses this for a Response Frame.
|
|
case Frame::FRAMETYPE_ACTION:
|
|
$client->send($output);
|
|
// holds data entered by user.
|
|
$fielddata = [];
|
|
$current['fielddata'] = [];
|
|
|
|
if (count($fo->fields)) {
|
|
// Get our first editable field.
|
|
$current['fieldnum'] = $fo->getFieldId('edit',0);
|
|
$current['field'] = $fo->getField($current['fieldnum']);
|
|
$current['fieldreset'] = TRUE;
|
|
|
|
if ($current['fieldnum'] !== FALSE) {
|
|
$mode = MODE_FIELD;
|
|
|
|
// There were no editable fields.
|
|
} else {
|
|
$mode = MODE_COMPLETE;
|
|
$client->send(COFF);
|
|
}
|
|
|
|
$current['fieldpos'] = 0;
|
|
|
|
} else {
|
|
$mode = FALSE;
|
|
}
|
|
|
|
break;
|
|
|
|
// Terminate Frame
|
|
case Frame::FRAMETYPE_TERMINATE:
|
|
$client->send($output);
|
|
$action = ACTION_TERMINATE;
|
|
|
|
break;
|
|
}
|
|
|
|
break;
|
|
|
|
// Timewarp Mode
|
|
case ACTION_INFO:
|
|
$mode = $action = FALSE;
|
|
$cmd = '';
|
|
$y = 0;
|
|
|
|
$output = $this->outputPosition(0, $y++) . WHITE . NEWBG . RED . 'TIMEWARP INFO FOR Pg.' . BLUE . $fo->page(). WHITE;
|
|
//$output .= $this->outputPosition(0, $y++) . WHITE . NEWBG . BLUE . 'Service : ' . substr($service['service_name'] . str_repeat(' ', 27), 0, 27);
|
|
//$output .= $this->outputPosition(0, $y++) . WHITE . NEWBG . BLUE . 'Varient : ' . substr($varient['varient_name'] . str_repeat(' ', 27), 0, 27);
|
|
$output .= $this->outputPosition(0, $y++) . WHITE . NEWBG . BLUE . 'Dated : ' .substr(($fo->created() ? $fo->created()->format('j F Y') : 'Unknown').str_repeat(' ', 27), 0, 27);
|
|
|
|
$alts = $fo->alts($this->mo)->get();
|
|
|
|
if (count($alts)) {
|
|
$n = 1;
|
|
|
|
$output .= $this->outputPosition(0, $y++) . WHITE . NEWBG . RED . 'ALTERNATIVE VERSIONS:' . str_repeat(' ', 16);
|
|
|
|
foreach ($alts as $o) {
|
|
$date = $o->created_at->format('d M Y');
|
|
|
|
$line = WHITE.NEWBG;
|
|
|
|
if ($timewarp) {
|
|
$line .= RED.$n++;
|
|
}
|
|
|
|
$line .= BLUE.$date.' '.$o->note;
|
|
|
|
$output .= $this->outputPosition(0,$y++).$line.str_repeat(' ',40-$this->strlenv($line)); // @todo should use frame::page_length
|
|
}
|
|
|
|
if ($timewarp) {
|
|
$mode = MODE_WARPTO;
|
|
}
|
|
|
|
}
|
|
|
|
$client->send($output);
|
|
|
|
break;
|
|
}
|
|
|
|
printf("- End Action: Read %s (%s): Mode: [%s], Action: [%s], Control: [%s]\n",$read,ord($read),$mode,$action,$control);
|
|
|
|
// We need to reposition the cursor to the current field.
|
|
if ($current['fieldreset'] !== FALSE) {
|
|
$client->send($this->outputPosition($current['field']->x,$current['field']->y).CON);
|
|
$current['fieldreset'] = FALSE;
|
|
}
|
|
|
|
// Did the client disconnect
|
|
if ($read === NULL || socket_last_error()) {
|
|
$client->close();
|
|
$this->log('debug',sprintf('Client Disconnected: %s',$client->getaddress()));
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Something bad happened. We'll log it and then disconnect.
|
|
} catch (\Exception $e) {
|
|
Log::emergency($e->getMessage(),['line'=>$e->getLine(),'file'=>$e->getFile()]);
|
|
}
|
|
|
|
$client->close();
|
|
$this->log('debug',sprintf('Disconnected: %s',$client->getaddress()));
|
|
}
|
|
|
|
/**
|
|
* Move the cursor via the shortest path.
|
|
*/
|
|
abstract function outputPosition($x,$y);
|
|
|
|
/**
|
|
* Send a message to the base line
|
|
*
|
|
* @note "$this->blp" remembers how many chars are there, so that they can be replace with next call
|
|
* @param $client
|
|
* @param $text
|
|
* @param bool $reposition
|
|
*/
|
|
abstract function sendBaseline($client,$text,$reposition=FALSE);
|
|
|
|
/**
|
|
* Calculate the length of text
|
|
*
|
|
* ESC characters are two chars, and need to be counted as one.
|
|
*
|
|
* @param $text
|
|
* @return int
|
|
*/
|
|
abstract function strlenv($text):int;
|
|
|
|
/**
|
|
* Return a test frame appropriate for this server.
|
|
* @return mixed
|
|
*/
|
|
abstract public function testFrame();
|
|
} |