web/Obj/sac-a-push.phh

   1 <?php
   2 /*
   3  *  brisk - Obj/sac-a-push.phh
   4  *
   5  *  Copyright (C) 2012-2014 Matteo Nastasi
   6  *                          mailto: nastasi@alternativeoutput.it
   7  *                                  matteo.nastasi@milug.org
   8  *                          web: http://www.alternativeoutput.it
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful, but
  16  * WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABLILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18  * General Public License for more details. You should have received a
  19  * copy of the GNU General Public License along with this program; if
  20  * not, write to the Free Software Foundation, Inc, 59 Temple Place -
  21  * Suite 330, Boston, MA 02111-1307, USA.
  22  *
  23  */
  24
  25 define('SITE_PREFIX', "/brisk/");
  26 define('SITE_PREFIX_LEN', 7);
  27
  28 define('DIRECT_ST_READ',  1);
  29 define('DIRECT_ST_WRITE', 2);
  30
  31 declare(ticks = 1);
  32
  33 /* this list is created with bin/get_globals.sh */
  34 $_globals_list = array(
  35 'G_admin_mail', 'G_alarm_passwd', 'G_all_points', 'G_ban_list', 'G_base',
  36 'G_black_list', 'G_brisk_version', 'G_btrace_pref_sub', 'G_cloud_smasher',
  37 'G_crypt_key', 'G_dbasetype', 'G_dbauth', 'G_dbpfx', 'G_doc_path',
  38 'G_proto', 'G_domain', 'G_donors_all', 'G_donors_cur', 'G_is_local', 'G_lang', 'G_lng',
  39 'G_mail_seed', 'G_notguar_code', 'G_PG_cons', 'G_PG_cons_n', 'G_PG_vow',
  40 'G_PG_vow_n', 'G_poll_entries', 'G_poll_name', 'G_poll_title',
  41 'G_provider_proxy', 'G_proxy_white_list', 'G_room_about', 'G_room_help',
  42 'G_room_passwdhowto', 'G_room_roadmap',
  43 'G_selfreg_mask', 'G_selfreg_tout', 'G_shutdown', 'G_profile', 'G_sidebanner',
  44 'G_sidebanner_idx', 'G_splash_content', 'G_splash_contents',
  45 'G_splash_cont_idx', 'G_splash_h', 'G_splash_idx', 'G_splash_interval',
  46 'G_splash_timeout', 'G_splash_w', 'G_topbanner', 'G_tos_dthard',
  47 'G_tos_dtsoft', 'G_tos_fname', 'G_tos_idx', 'G_tos_vers', 'G_webbase');
  48
  49 function global_dump()
  50 {
  51     GLOBAL $G_alarm_passwd, $G_ban_list, $G_black_list, $G_btrace_pref_sub, $G_dbauth;
  52     GLOBAL $G_dbpfx, $G_donors_all, $G_donors_cur, $G_is_local, $G_lang;
  53     GLOBAL $G_poll_entries, $G_poll_name, $G_poll_title, $G_proxy_white_list;
  54     GLOBAL $G_room_roadmap, $G_shutdown, $G_profile;
  55     GLOBAL $G_splash_content, $G_splash_contents, $G_splash_cont_idx;
  56     GLOBAL $G_splash_h, $G_splash_idx, $G_splash_interval, $G_splash_timeout;
  57     GLOBAL $G_splash_w, $G_topbanner, $G_with_donors, $G_with_poll;
  58     GLOBAL $G_with_splash, $G_sidebanner, $G_sidebanner_idx;
  59     GLOBAL $G_with_topbanner, $G_selfreg_tout, $G_selfreg_mask;
  60
  61     fprintf(STDERR, "G_alarm_passwd = [%s]\n", print_r($G_alarm_passwd, TRUE));
  62     fprintf(STDERR, "G_ban_list = [%s]\n", print_r($G_ban_list, TRUE));
  63     fprintf(STDERR, "G_black_list = [%s]\n", print_r($G_black_list, TRUE));
  64     fprintf(STDERR, "G_btrace_pref_sub = [%s]\n", print_r($G_btrace_pref_sub, TRUE));
  65     fprintf(STDERR, "G_dbauth = [%s]\n", print_r($G_dbauth, TRUE));
  66     fprintf(STDERR, "G_dbpfx = [%s]\n", print_r($G_dbpfx, TRUE));
  67     fprintf(STDERR, "G_donors_all = [%s]\n", print_r($G_donors_all, TRUE));
  68     fprintf(STDERR, "G_donors_cur = [%s]\n", print_r($G_donors_cur, TRUE));
  69     fprintf(STDERR, "G_is_local = [%s]\n", print_r($G_is_local, TRUE));
  70     fprintf(STDERR, "G_lang = [%s]\n", print_r($G_lang, TRUE));
  71     fprintf(STDERR, "G_poll_entries = [%s]\n", print_r($G_poll_entries, TRUE));
  72     fprintf(STDERR, "G_poll_name = [%s]\n", print_r($G_poll_name, TRUE));
  73     fprintf(STDERR, "G_poll_title = [%s]\n", print_r($G_poll_title, TRUE));
  74     fprintf(STDERR, "G_proxy_white_list = [%s]\n", print_r($G_proxy_white_list, TRUE));
  75     fprintf(STDERR, "G_room_roadmap = [%s]\n", print_r($G_room_roadmap, TRUE));
  76     fprintf(STDERR, "G_shutdown = [%s]\n", print_r($G_shutdown, TRUE));
  77     fprintf(STDERR, "G_profile = [%s]\n", print_r($G_profile, TRUE));
  78     fprintf(STDERR, "G_splash_content = [%s]\n", print_r($G_splash_content, TRUE));
  79     fprintf(STDERR, "G_splash_contents = [%s]\n", print_r($G_splash_contents, TRUE));
  80     fprintf(STDERR, "G_splash_cont_idx = [%s]\n", print_r($G_splash_cont_idx, TRUE));
  81     fprintf(STDERR, "G_splash_h = [%s]\n", print_r($G_splash_h, TRUE));
  82     fprintf(STDERR, "G_splash_idx = [%s]\n", print_r($G_splash_idx, TRUE));
  83     fprintf(STDERR, "G_splash_interval = [%s]\n", print_r($G_splash_interval, TRUE));
  84     fprintf(STDERR, "G_splash_timeout = [%s]\n", print_r($G_splash_timeout, TRUE));
  85     fprintf(STDERR, "G_splash_w = [%s]\n", print_r($G_splash_w, TRUE));
  86     fprintf(STDERR, "G_topbanner = [%s]\n", print_r($G_topbanner, TRUE));
  87     fprintf(STDERR, "G_with_donors = [%s]\n", print_r($G_with_donors, TRUE));
  88     fprintf(STDERR, "G_with_poll = [%s]\n", print_r($G_with_poll, TRUE));
  89     fprintf(STDERR, "G_sidebanner = [%s]\n", print_r($G_sidebanner, TRUE));
  90     fprintf(STDERR, "G_sidebanner_idx = [%s]\n", print_r($G_sidebanner_idx, TRUE));
  91     fprintf(STDERR, "G_with_splash = [%s]\n", print_r($G_with_splash, TRUE));
  92     fprintf(STDERR, "G_with_topbanner = [%s]\n", print_r($G_with_topbanner, TRUE));
  93     fprintf(STDERR, "G_selfreg_mask = [%x]\n", print_r($G_selfreg_mask, TRUE));
  94
  95     fprintf(STDERR, "G_selfreg_tout = [%s]\n", print_r($G_selfreg_tout, TRUE));
  96
  97 }
  98
  99 function pid_save()
 100 {
 101     $pid = getmypid();
 102     $fname = LEGAL_PATH."/brisk.pid";
 103
 104     if (file_exists($fname)) {
 105         log_crit("WARN: brisk.pid already exists");
 106     }
 107     file_put_contents($fname, sprintf("%d\n", $pid));
 108 }
 109
 110 function pid_remove()
 111 {
 112     $fname = LEGAL_PATH."/brisk.pid";
 113
 114     if (file_exists($fname)) {
 115         unlink($fname);
 116     }
 117 }
 118
 119 function post_manage(&$post, $line)
 120 {
 121     $a = explode('&', $line);
 122     for ($i = 0 ; $i < count($a) ; $i++) {
 123         $b = explode('=', $a[$i]);
 124         if (isset($b[0])) {
 125             if (isset($b[1])) {
 126                 $post[$b[0]] = urldecode($b[1]);
 127             }
 128             else {
 129                 $post[$b[0]] = "";
 130             }
 131         }
 132     }
 133 }
 134
 135 function spu_process_info($stream_info, &$method, &$header, &$get, &$post, &$cookie, &$rest, &$cont)
 136 {
 137     $check_post = FALSE;
 138     $header = array();
 139     $get = array();
 140     $post = array();
 141     $rest = 0;
 142     foreach(preg_split("/(\r?\n)/", $stream_info) as $line) {
 143         // printf("LINE: [%s]\n", $line);
 144         if ($check_post) {
 145             if (!isset($header['The-Request'])) {
 146                 return FALSE;
 147             }
 148             $req = explode(" ", $header['The-Request']);
 149             $method = $req[0];
 150
 151             if (isset($header['Cookie'])) {
 152
 153                 // LINE: [Cookie:sess=50e053a9511ef; CO_splashdate4=1356420646; CO_list=all; table_idx=7; table_token=510d494986925; lang=it; CO_bin5_pref_ring_endauct=false; CO_splashdate5=1358372822; CO_splashdate1=1363203374; CO_splashdate2=1363374826; __utma=43654517.209888411.1356605271.1356605271.1356605271.1; __utmz=43654517.1356605271.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)]
 154
 155                 $cookies = explode("; ", $header['Cookie']);
 156                 for ($i = 0 ; $i < count($cookies) ; $i++) {
 157                     $name = mb_strstr($cookies[$i], "=", TRUE, 'UTF-8');
 158                     if ($name == FALSE) {
 159                         if (mb_strlen($cookies[$i]) > 0) {
 160                             $cookie[$cookies[$i]] = "";
 161                         }
 162                         else {
 163                             printf("WARNING: malformat cookie element [%s]\n", $cookies[$i]);
 164                         }
 165                         continue;
 166                     }
 167
 168                     $value = mb_substr($cookies[$i], mb_strlen($name)+1, 10140, 'UTF-8');
 169                     $cookie[$name] = urldecode($value);
 170                 }
 171             }
 172             // GET params management
 173             $get_vars = explode('?', $req[1], 2);
 174             $path = $get_vars[0];
 175             if (count($get_vars) > 1) {
 176                 $a = explode('&', $get_vars[1]);
 177                 // printf("A COUNT: [%s] %d\n", $a[0], count($a));
 178                 for ($i = 0 ; $i < count($a) ; $i++) {
 179                     $b = explode('=', $a[$i]);
 180                     if ($b[0] == "")
 181                         continue;
 182                     $get[$b[0]] = urldecode($b[1]);
 183                 }
 184             }
 185             // POST params management
 186             if ($req[0] == 'POST') {
 187                 $conttype_all = explode(";", $header['Content-Type']);
 188                 $header['Content-Type'] = $conttype_all[0];
 189                 // $path_all[1-] other things like charset and so on
 190
 191                 // if (content-type is wrong || content-length isn't set)
 192                 //     return false
 193
 194                 if ($header['Content-Type'] != 'application/x-www-form-urlencoded'
 195                     || !isset($header['Content-Length'])) {
 196                     return FALSE;
 197                 }
 198                 $post_len = mb_strlen($line, "ASCII");
 199                 // printf("INFO: postlen: %d\n", $post_len);
 200                 $rest = (int)($header['Content-Length']) - $post_len;
 201
 202                 if ($rest == 0) {
 203                     post_manage($post, $line);
 204                 }
 205                 else {
 206                     $cont = $line;
 207                 }
 208             }
 209             break;
 210         }
 211         if ($line == "") {
 212             $check_post = TRUE;
 213             continue;
 214         }
 215         $split = explode(":", $line, 2);
 216         $hea_id = trim(mb_convert_case($split[0], MB_CASE_TITLE, 'UTF-8'));
 217         $header[$hea_id] = $split[1];
 218     }
 219     return $path;
 220 }
 221
 222 function gpcs_var($name, $get, $post, $cookie)
 223 {
 224     if (isset($GLOBALS[$name]))
 225         return FALSE;
 226     else if (isset($cookie[$name]))
 227         return ($cookie[$name]);
 228     else if (isset($post[$name]))
 229         return ($post[$name]);
 230     else if (isset($get[$name]))
 231         return ($get[$name]);
 232
 233     return FALSE;
 234 }
 235
 236 function headers_render($header, $len)
 237 {
 238     $cookies = "";
 239
 240     if (isset($header['cookies'])) {
 241         $cookies = $header['cookies']->render();
 242         unset($header['cookies']);
 243     }
 244     if (isset($header['Location'])) {
 245         $s = sprintf("HTTP/1.1 302 OK\r\n%sLocation: %s\r\n", $cookies, $header['Location']);
 246     }
 247     else if (isset($header['HTTP-Response'])) {
 248         $s = sprintf("HTTP/1.1 %s\r\n", $header['HTTP-Response']);
 249         foreach($header as $key => $value) {
 250             if (strtolower($key) == "http-response")
 251                 continue;
 252             $s .= sprintf("%s: %s\r\n", $key, $value);
 253         }
 254         if ($len >= 0) {
 255             $s .= sprintf("Content-Length: %ld\r\n", $len);
 256         }
 257     }
 258     else {
 259         $s = "HTTP/1.1 200 OK\r\n";
 260
 261         if (!isset($header['Date']))
 262             $s .= sprintf("Date: %s\r\n", date(DATE_RFC822));
 263         if (!isset($header['Connection']))
 264             $s .= "Connection: close\r\n";
 265         if (!isset($header['Content-Type']))
 266             $s .= "Content-Type: text/html\r\n";
 267         foreach($header as $key => $value) {
 268             $s .= sprintf("%s: %s\r\n", $key, $value);
 269         }
 270         if ($len >= 0) {
 271             $s .= sprintf("Content-Length: %d\r\n", $len);
 272         }
 273         else {
 274             $s .= "Cache-Control: no-cache, must-revalidate\r\n";
 275             $s .= "Expires: Mon, 26 Jul 1997 05:00:00 GMT\r\n";
 276             if (!isset($header['Content-Encoding'])) {
 277                 $s .= "Content-Encoding: chunked\r\n";
 278             }
 279             $s .= "Transfer-Encoding: chunked\r\n";
 280         }
 281         $s .= $cookies;
 282     }
 283     $s .= "\r\n";
 284
 285     return ($s);
 286 }
 287
 288 /*
 289  *  Caching system using ob php system to cache old style pages
 290  *  to a var and than send it with more calm
 291  */
 292
 293 function shutta()
 294 {
 295   log_rd2("SHUTTA [".connection_status()."] !");
 296 }
 297
 298 register_shutdown_function('shutta');
 299
 300 /*
 301  *  MAIN
 302  */
 303
 304 function get_encoding($header)
 305 {
 306     $enc = "plain";
 307     if (isset($header['Accept-Encoding'])) {
 308         $acc = explode(',', $header['Accept-Encoding']);
 309
 310         if (array_search('gzip', $acc) !== FALSE) {
 311             $enc = 'gzip';
 312         }
 313         else if (array_search('deflate', $acc) !== FALSE) {
 314             $enc = 'deflate';
 315         }
 316     }
 317
 318     return ($enc);
 319 }
 320
 321 class Cookie {
 322     var $attr;
 323     // Set-Cookie: reg_fb_gate=deleted; Expires=Thu, 01-Jan-1970 00:00:01 GMT; Path=/; Domain=.foo.com; HttpOnly
 324     // string $name  [, string $value  [, int $expire = 0  [, string $path  [, string $domain  [, bool $secure = false  [, bool $httponly = false  ]]]]]] )
 325     function Cookie()
 326     {
 327         $this->attr = array();
 328     }
 329
 330     static function create($name)
 331     {
 332         $thiz = new Cookie();
 333
 334         $thiz->attr[$name] = "";
 335
 336         $argc = func_num_args();
 337         for ($i = 1 ; $i < $argc ; $i++) {
 338             $arg = func_get_arg($i);
 339             switch ($i) {
 340             case 1:
 341                 $thiz->attr[$name] = urlencode($arg);
 342                 break;
 343             case 2:
 344                 $thiz->attr['Expires'] = gmdate('D, d M Y H:i:s \G\M\T', $arg); // RFC 1211 format
 345                 break;
 346             case 3:
 347                 $thiz->attr['Path'] = $arg;
 348                 break;
 349             case 4:
 350                 $thiz->attr['Domain'] = $arg;
 351                 break;
 352             case 5:
 353                 if ($arg == TRUE) {
 354                     $thiz->attr['Secure'] = NULL;
 355                 }
 356                 break;
 357             case 6:
 358                 if ($arg == TRUE) {
 359                     $thiz->attr['HttpOnly'] = NULL;
 360                 }
 361                 break;
 362             default:
 363                 return FALSE;
 364             }
 365         }
 366
 367         return $thiz;
 368     }
 369
 370     function render()
 371     {
 372         $r = "Set-Cookie: ";
 373         $isfirst = TRUE;
 374
 375         foreach ($this->attr as $k => $v) {
 376             if ($v == NULL) {
 377                 $r .= sprintf("%s%s", ($isfirst ? "" : "; "), $k);
 378             }
 379             else {
 380                 $r .= sprintf("%s%s=%s", ($isfirst ? "" : "; "), $k, $v);
 381             }
 382             $isfirst = FALSE;
 383         }
 384         $r .= "\r\n";
 385
 386         return $r;
 387     }
 388 }
 389
 390 class Cookies {
 391     var $cookies;
 392
 393     function Cookies()
 394     {
 395         $this->cookies = array();
 396     }
 397
 398     function add($name)
 399     {
 400         if (($cookie = call_user_func_array("Cookie::create", func_get_args())) == FALSE)
 401             return (FALSE);
 402
 403         array_push($this->cookies, $cookie);
 404
 405         return (TRUE);
 406     }
 407
 408     function render()
 409     {
 410         $r = "";
 411         foreach ($this->cookies as $cookie) {
 412             $r .= $cookie->render();
 413         }
 414
 415         return ($r);
 416     }
 417 }
 418
 419
 420 class Sac_a_push {
 421     // maybe fixed_fd is unuseful
 422     static $fixed_fd = 3;
 423     static $cnt_master = NULL;
 424     static $cnt_slave  = NULL;
 425
 426     var $provider_proxy; // list of provider/browser that offer proxy service
 427
 428     var $file_socket_pfx;
 429     var $unix_socket_pfx;
 430     var $direct_socket;   // socket where read direct commands
 431     var $socks;
 432     var $s2u;             // user associated with input socket
 433     var $s2p;             // pending page associated with input socket
 434     var $s2c;             // ws sockets in closing phase
 435     var $pending_pages;
 436     var $is_daemon;
 437
 438     var $list_web;
 439     var $list_cmd;
 440     var $in;
 441
 442     var $debug;
 443     var $blocking_mode;
 444
 445     var $app;
 446
 447     var $curtime;
 448
 449     var $rndstr;
 450     var $main_loop;
 451
 452     function Sac_a_push()
 453     {
 454     }
 455
 456     function sig_handler($sig)
 457     {
 458         switch ($sig) {
 459         case SIGINT:
 460             exit(1);
 461             break;
 462         case SIGTERM:
 463             if (static::$cnt_master != NULL) {
 464                     fwrite(static::$cnt_master, "\nshutdown\n");
 465                     fflush(static::$cnt_master);
 466             }
 467             else {
 468                 exit(1);
 469             }
 470             break;
 471         case SIGHUP:
 472             if (static::$cnt_master != NULL) {
 473                 fwrite(static::$cnt_master, "\nreload\n");
 474                 fflush(static::$cnt_master);
 475             }
 476             break;
 477         }
 478     }
 479
 480     static function create(&$app, $sockname_pfx, $debug, $blocking_mode, $provider_proxy, $argv)
 481     {
 482         $thiz = new Sac_a_push();
 483
 484         $thiz->app = $app;
 485
 486         $thiz->provider_proxy = ProviderProxy::create();
 487
 488         $thiz->file_socket_pfx = $sockname_pfx;
 489         $thiz->unix_socket_pfx = "unix://$sockname_pfx";
 490         $thiz->direct_socket = "unix://${sockname_pfx}_admin.sock";
 491         $thiz->debug = $debug;
 492         $thiz->list_web = array();
 493         $thiz->socks = array();
 494         $thiz->s2u  = array();
 495         $thiz->s2p  = array();
 496         $thiz->s2c  = array();
 497         $thiz->pending_pages = array();
 498         $thiz->is_daemon = FALSE;
 499
 500         if (array_search("-d", $argv) !== FALSE || array_search("--daemon", $argv) !== FALSE) {
 501             $thiz->is_daemon = TRUE;
 502         }
 503
 504         // create a couple of sockets for control management
 505         if (($sockpair = stream_socket_pair(STREAM_PF_UNIX, STREAM_SOCK_STREAM,
 506                                             STREAM_IPPROTO_IP)) == FALSE) {
 507             return FALSE;
 508         }
 509         static::$cnt_master = $sockpair[0];
 510         static::$cnt_slave  = $sockpair[1];
 511
 512         pcntl_signal(SIGTERM, array("Sac_a_push", "sig_handler"));
 513         pcntl_signal(SIGINT, array("Sac_a_push", "sig_handler"));
 514         pcntl_signal(SIGHUP, array("Sac_a_push", "sig_handler"));
 515
 516         $thiz->blocking_mode = 0; // 0 for non-blocking
 517
 518         $thiz->rndstr = "";
 519         for ($i = 0 ; $i < 4096 ; $i++) {
 520             if (($i % 128) == 0)
 521                 $thiz->rndstr .= " ";
 522             else
 523                 $thiz->rndstr .= chr(mt_rand(65, 90));
 524         }
 525
 526         for ($i = 0 ; $i < USOCK_POOL_N ; $i++) {
 527             $file_socket = $thiz->file_socket_pfx . sprintf("%d.sock", $i);
 528             if (file_exists($file_socket)) {
 529                 unlink($file_socket);
 530             }
 531         }
 532         $file_socket_admin = $thiz->file_socket_pfx . "_admin.sock";
 533         if (file_exists($file_socket_admin)) {
 534             unlink($file_socket_admin);
 535         }
 536
 537         $old_umask = umask(0);
 538         for ($i = 0 ; $i < USOCK_POOL_N ; $i++) {
 539             $unix_socket = sprintf("%s%d.sock", $thiz->unix_socket_pfx, $i);
 540             if (($list_sock = stream_socket_server($unix_socket, $err, $errs)) === FALSE) {
 541                 return (FALSE);
 542             }
 543             array_push($thiz->list_web, $list_sock);
 544         }
 545         if (($thiz->list_cmd = stream_socket_server($thiz->direct_socket, $err, $errs)) === FALSE) {
 546             return (FALSE);
 547         }
 548         umask($old_umask);
 549         for ($i = 0 ; $i < USOCK_POOL_N ; $i++) {
 550             stream_set_blocking($thiz->list_web[$i], $thiz->blocking_mode); # Set the stream to non-blocking
 551         }
 552         stream_set_blocking($thiz->list_cmd, $thiz->blocking_mode); # Set the stream to non-blocking
 553
 554         if (($thiz->in = fopen("php://stdin", "r")) === FALSE) {
 555             return(FALSE);
 556         }
 557
 558         $thiz->main_loop = FALSE;
 559         $thiz->reload(TRUE, $provider_proxy);
 560
 561         return ($thiz);
 562     }
 563
 564     function socks_set($sock, $user, $pendpage, $postclose = NULL)
 565     {
 566         $id = intval($sock);
 567
 568         $this->socks[$id] = $sock;
 569         if ($user != NULL)
 570             $this->s2u[$id] = $user;
 571         if ($pendpage != NULL)
 572             $this->s2p[$id] = $pendpage;
 573         if ($postclose != NULL)
 574             $this->s2c[$id] = $postclose;
 575     }
 576
 577     function socks_unset($sock)
 578     {
 579         $id = intval($sock);
 580
 581         if (isset($this->s2u[$id]))
 582             unset($this->s2u[$id]);
 583         if (isset($this->s2p[$id]))
 584             unset($this->s2p[$id]);
 585         if (isset($this->s2c[$id]))
 586             unset($this->s2c[$id]);
 587         unset($this->socks[$id]);
 588     }
 589
 590     function pendpage_try_addcont(&$new_socket, $tout, $method, $header, $get, $post, $cookie, $path, $addr, $rest, $cont)
 591     {
 592         $pendpage = PendingPage::pendingpage_continue( $new_socket, $this->curtime, $tout, $method,
 593                                                            $header,           $get, $post, $cookie,
 594                                                              $path,          $addr, $rest, $cont);
 595
 596         $pendpage->try_flush($this->curtime);
 597         // Add $pendpage to the pendpage array (in any case)
 598         // fprintf(STDERR, "IMPORTANT: Pendadd: %d\n", $pendpage->status);
 599         $this->pendpage_add($pendpage);
 600     }
 601
 602     function pendpage_try_addflush(&$new_socket, $tout, $enc, $header_out, $content)
 603     {
 604         $pendpage = PendingPage::pendingpage_flushing($new_socket, $this->curtime, $tout, $enc, $header_out, $content);
 605
 606         if ($pendpage->try_flush($this->curtime) == FALSE) {
 607             // Add $pendpage to the pendpage array
 608             $this->pendpage_add($pendpage);
 609         }
 610     }
 611
 612     function pendpage_add($pendpage)
 613     {
 614         array_push($this->pending_pages, $pendpage);
 615         $this->socks_set($pendpage->socket_get(), NULL, $pendpage);
 616     }
 617
 618     function pendpage_rem($pendpage)
 619     {
 620         $sock = $pendpage->socket_get();
 621         if (($key = array_search($pendpage, $this->pending_pages)) !== FALSE) {
 622             unset($this->pending_pages[$key]);
 623         }
 624         else {
 625             fprintf(STDERR, "WARNING: pendpage not found\n");
 626         }
 627         $this->socks_unset($sock);
 628         fprintf(STDERR, "PP_REM: %d\n", intval($sock));
 629     }
 630
 631
 632     function pendpage_try_addwait(&$new_socket, $tout, $method, $header, $get, $post, $cookie, $path, $addr, $rest, $cont)
 633     {
 634         $pendpage = PendingPage::pendingpage_waiting($new_socket, $this->curtime, $tout, $method, $header, $get, $post, $cookie, $path, $addr, $rest, $cont);
 635         /*
 636         if ($pendpage->try_flush($this->curtime) == FALSE) {
 637             // Add $pendpage to the pendpage array
 638             */
 639         $this->pendpage_add($pendpage);
 640         /*
 641         }
 642         */
 643     }
 644
 645     function garbage_manager($force)
 646     {
 647         $this->app->garbage_manager($force);
 648
 649         foreach ($this->socks as $k => $sock) {
 650             $id = intval($sock);
 651             if (isset($this->s2c[$id])) {
 652                 $postclose = $this->s2c[$id];
 653                 if ($postclose->read('', $this->curtime) == 0) {
 654                     fclose($sock);
 655                     $this->socks_unset($sock);
 656                 }
 657             }
 658             else if (isset($this->s2u[$id])) {
 659                 $user = $this->s2u[$id];
 660                 if ($user->the_end) {
 661                     if (($user->rd_toflush == FALSE && $user->rd_step == $user->step)
 662                         || $user->rd_endtime_is_expired($this->curtime)) {
 663                         if ($user->rd_socket_get() != NULL) {
 664                             $user->rd_socket_set(NULL);
 665                         }
 666                         unset($this->socks[$id]);
 667                         unset($this->s2u[$id]);
 668                         fclose($sock);
 669                         // printf("CLOSE ON GARBAGE MANAGER\n");
 670                     }
 671                 }
 672             }
 673         }
 674         $this->app->users_cleanup();
 675     }
 676
 677     function check_globals()
 678     {
 679         GLOBAL $_globals_list;
 680         foreach ($_globals_list as $g) {
 681             if (!array_search($g, $GLOBALS) || !isset($GLOBALS[$g])) {
 682                 error_log(sprintf("Global [%s] not declared", $g));
 683                 return FALSE;
 684             }
 685         }
 686         return TRUE;
 687     }
 688
 689     function run()
 690     {
 691         GLOBAL $DOCUMENT_ROOT, $HTTP_HOST;
 692
 693         GLOBAL $G_alarm_passwd, $G_ban_list, $G_black_list, $G_cloud_smasher, $G_provider_proxy;
 694         GLOBAL $G_btrace_pref_sub, $G_dbauth;
 695         GLOBAL $G_dbpfx, $G_donors_all, $G_donors_cur, $G_is_local, $G_lang;
 696         GLOBAL $G_poll_entries, $G_poll_name, $G_poll_title, $G_proxy_white_list;
 697         GLOBAL $G_room_roadmap, $G_shutdown, $G_profile;
 698         GLOBAL $G_splash_content, $G_splash_contents, $G_splash_cont_idx;
 699         GLOBAL $G_splash_h, $G_splash_idx, $G_splash_interval, $G_splash_timeout;
 700         GLOBAL $G_splash_w, $G_topbanner, $G_with_donors, $G_with_poll;
 701         GLOBAL $G_with_splash, $G_sidebanner, $G_sidebanner_idx;
 702         GLOBAL $G_with_topbanner;
 703         GLOBAL $G_tos_vers, $G_tos_fname, $G_tos_dtsoft, $G_tos_dthard, $G_tos_idx, $G_doc_path;
 704
 705         if (!$this->check_globals()) {
 706             fprintf(STDERR, "Take a look to the phplog file, GLOBALS missing!\n");
 707             sleep(10);
 708         }
 709
 710         if ($this->main_loop) {
 711             return (FALSE);
 712         }
 713
 714         $this->main_loop = TRUE;
 715
 716         $list_web_arr = array();
 717         for ($i = 0 ; $i < USOCK_POOL_N ; $i++) {
 718             $list_web_arr[intval($this->list_web[$i])] = $this->list_web[$i];
 719         }
 720
 721         log_legal(time(), '127.0.0.1', FALSE, 'MAIN', 'LOG:START');
 722
 723         $lastime = 0;
 724         $dump_users = TRUE;
 725         $sock_shard_cur = -1;
 726
 727         $mtime_start = microtime(TRUE);
 728         $mtsum_idle = 0.0;
 729         $mtsum_read = 0.0;
 730         $mtsum_garb = 0.0;
 731         $mtsum_unfi = 0.0;
 732         $mtsum_mana = 0.0;
 733
 734         while ($this->main_loop) {
 735             $mtime_begin = microtime(TRUE);
 736             $sock_shard_cur = ($sock_shard_cur + 1) % SOCK_SHARD_N;
 737             $this->app->sess_cur_set(FALSE);
 738             $this->curtime = time();
 739             if ($lastime != ($this->curtime >> 2)) {
 740                 if ($G_profile == TRUE) {
 741                     $mtime_finish = microtime(TRUE);
 742                     $mtime_diff = ($mtime_finish - $mtime_start);
 743                     $mtime_idle = 100.0 * $mtsum_idle / $mtime_diff;
 744                     $mtime_read = 100.0 * $mtsum_read / $mtime_diff;
 745                     $mtime_garb = 100.0 * $mtsum_garb / $mtime_diff;
 746                     $mtime_unfi = 100.0 * $mtsum_unfi / $mtime_diff;
 747                     $mtime_mana = 100.0 * $mtsum_mana / $mtime_diff;
 748
 749                     log_legal(time(), '127.0.0.1', FALSE, 'MAIN',
 750                     sprintf('LOG:PROF: tot(%.3f) idle: %.2f  read: %.2f  garb: %.2f  unfi: %.2f  mana: %.2f',
 751                     $mtime_diff, $mtime_idle, $mtime_read, $mtime_garb, $mtime_unfi, $mtime_mana
 752                     ));
 753                     $mtsum_idle = 0.0;
 754                     $mtsum_read = 0.0;
 755                     $mtsum_garb = 0.0;
 756                     $mtsum_unfi = 0.0;
 757                     $mtsum_mana = 0.0;
 758                     $mtime_start = $mtime_finish;
 759                 }
 760                 fprintf(STDERR, "\nIN LOOP: Current opened: %d  pending_pages: %d\n", count($this->socks), count($this->pending_pages));
 761             }
 762
 763             /* Prepare the read array */
 764             /* // when we manage it ... */
 765             /* if ($shutdown)  */
 766             /*     $read   = array_merge(array("$in" => $in), $socks); */
 767             /* else */
 768             $pre_read = array_merge($list_web_arr, array(
 769                 intval($this->list_cmd) => $this->list_cmd,
 770                 intval(static::$cnt_slave) => static::$cnt_slave),
 771             $this->socks);
 772             if ($this->is_daemon == FALSE) {
 773                 $read = array_merge($pre_read, array(intval($this->in) => $this->in));
 774             }
 775             else {
 776                 $read = $pre_read;
 777             }
 778
 779             if ($this->debug > 1) {
 780                 printf("PRE_SELECT\n");
 781                 print_r($read);
 782             }
 783             $write  = NULL;
 784             $except = NULL;
 785             $num_changed_sockets = @stream_select($read, $write, $except, 0, 500000);
 786
 787             if ($G_profile) {
 788                 $mtime_idle = microtime(TRUE);
 789                 $mtsum_idle += $mtime_idle - $mtime_begin;
 790             }
 791             if ($num_changed_sockets == 0) {
 792                 // printf(" no data in 5 secs, splash [%d]\n", $G_with_splash);
 793                 ;
 794             }
 795             else if ($num_changed_sockets > 0) {
 796                 if ($lastime != ($this->curtime >> 2)) {
 797                     printf("num sock %d num_of_socket: %d\n", $num_changed_sockets, count($read));
 798                 }
 799                 if ($this->debug > 1) {
 800                     print_r($read);
 801                 }
 802                 /* At least at one of the sockets something interesting happened */
 803                 foreach ($read as $i => $sock) {
 804                     $id = intval($sock);
 805                     $manage_page = FALSE;
 806                     /* is_resource check is required because there is the possibility that
 807                        during new request an old connection is closed */
 808                     if (!is_resource($sock)) {
 809                         continue;
 810                     }
 811                     $list_web_idx = array_search($sock, $this->list_web, TRUE);
 812                     if ($list_web_idx !== FALSE) {
 813                         $list_web_usock = $this->list_web[$list_web_idx];
 814                         // printf("NUOVA CONNEX\n");
 815                         if (($new_unix = stream_socket_accept($list_web_usock)) == FALSE) {
 816                             printf("SOCKET_ACCEPT FAILED\n");
 817                             continue;
 818                         }
 819                         $stream_info = "";
 820                         $method      = "";
 821                         $get         = array();
 822                         $post        = array();
 823                         $cookie      = array();
 824                         $rest        = 0;
 825                         $cont        = "";
 826                         if (($new_socket = ancillary_getstream($new_unix, $stream_info)) !== FALSE) {
 827                             // printf("NEW_SOCKET: %d\n", intval($new_socket));
 828                             stream_set_blocking($new_socket, $this->blocking_mode); // Set the stream to non-blocking
 829                             // error_log(sprintf("RECEIVED HEADER:\n%s", $stream_info));
 830                             if (($path = spu_process_info($stream_info, $method, $header,
 831                                                           $get, $post, $cookie, $rest, $cont))
 832                                 == FALSE) {
 833                                 fprintf(STDERR, "TODO: fix wrong header management\n");
 834                             }
 835
 836                             // We try to get real IP from header (passed by proxy) and then fallback to direct connection IP
 837                             // error_log(sprintf("addr: [%s]", $addr));
 838                             // error_log(sprintf("X-Real-Ip: [%s]", array_key_exists('X-Real-Ip', $header) ? $header['X-Real-Ip'] : "Not exists"));
 839                             if (array_key_exists('X-Real-Ip', $header)) {
 840                                 $addr = $header['X-Real-Ip'];
 841                             }
 842                             else {
 843                                 $addr = addrtoipv4(stream_socket_get_name($new_socket, TRUE));
 844                             }
 845
 846                             // FOR TEST $header['X-Forwarded-For'] = '154.155.22.33';
 847                             $addr = $this->pproxy_realip($header, $addr);
 848
 849                             // printf("PATH: [%s] [%s]\n", $path, print_r($header, TRUE));
 850                             if ($method == "POST" && $rest > 0) {
 851                                 if (isset($header['Expect']) && $header['Expect'] == '100-continue') {
 852                                     // fprintf(STDERR, "\nPOSTA DE CHE\n\n");
 853                                     $this->pendpage_try_addcont($new_socket, 20,
 854                                                                 $method, $header, $get, $post, $cookie,
 855                                                                 $path, $addr, $rest, $cont);
 856                                 }
 857                                 else {
 858                                     $this->pendpage_try_addwait($new_socket, 20,
 859                                                                 $method, $header, $get, $post, $cookie,
 860                                                                 $path, $addr, $rest, $cont);
 861                                 }
 862                             }
 863                             else {
 864                                 $manage_page = TRUE;
 865                             }
 866
 867                             // printf("number of sockets after %d\n", count($this->socks));
 868                         }
 869                         else {
 870                             printf("WARNING: ancillary_getstream failed\n");
 871                         }
 872                     }
 873                     else if ($sock === $this->list_cmd) {
 874                         // printf("NUOVA DIRECT CONNEX\n");
 875                         if (($new_unix = stream_socket_accept($this->list_cmd)) == FALSE) {
 876                             printf("SOCKET_ACCEPT FAILED\n");
 877                             continue;
 878                         }
 879                         stream_set_blocking($new_unix, $this->blocking_mode);
 880                         $this->direct_mgmt($new_unix);
 881                     } // not socket_list nor socket_list_cmd
 882                     else if ($id % SOCK_SHARD_N == $sock_shard_cur) {  // already opened socket
 883                         $buf = fread($sock, 4096);
 884                         // if socket is closed
 885                         if ($buf == FALSE || mb_strlen($buf, "ASCII") == 0 || feof($sock)) {
 886                             $postclose = NULL;
 887                             // close socket case
 888                             if ($buf == FALSE) {
 889                                 // printf("INFO: read return false\n");
 890                                 ;
 891                             }
 892                             if (array_search($sock, $this->list_web, TRUE) !== FALSE) {
 893                                 // printf("Arrivati %d bytes da list\n", mb_strlen($buf, "ASCII"));
 894                                 return(21);
 895                             }
 896                             else if ($sock === $this->list_cmd) {
 897                                 // printf("Arrivati %d bytes da list_cmd\n", mb_strlen($buf, "ASCII"));
 898                                 return(23);
 899                             }
 900                             else if ($sock === $this->in || $sock === static::$cnt_slave) {
 901                                 // printf("Arrivati %d bytes da stdin\n", mb_strlen($buf, "ASCII"));
 902                                 return(22);
 903                             }
 904                             else {
 905                                 unset($this->socks[$id]);
 906                                 if (isset($this->s2u[$id])) {
 907                                     // $user_a[$s2u[$id]]->disable();
 908                                     if ($this->s2u[$id]->rd_socket_get() != NULL) {
 909                                         // try to send close frame (for websocket)
 910                                         $clo = $this->s2u[$id]->stream_close();
 911                                         $postclose = $user->stream_postclose_get($sock, $this->curtime);
 912                                         $clo_l = mb_strlen($clo, "ASCII");
 913                                         @fwrite($sock, $clo, $clo_l);
 914                                         $this->s2u[$id]->rd_socket_set(NULL);
 915                                     }
 916                                     unset($this->s2u[$id]);
 917                                 }
 918                             }
 919                             if ($postclose != NULL) {
 920                                 // print("POSTCLOSE found!");
 921                                 $this->socks_set($sock, NULL, NULL, $postclose);
 922                             }
 923                             else {
 924                                 fclose($sock);
 925                             }
 926                             // printf("CLOSE ON READ\n");
 927
 928                             if ($this->debug > 1) {
 929                                 printf("post unset\n");
 930                                 print_r($this->socks);
 931                             }
 932                         }  // if ($buf == FALSE || mb_strlen($buf, "ASCII") == 0) {
 933                         else { // data on the socket
 934                             if ($this->debug > 1) {
 935                                 print_r($read);
 936                             }
 937                             if (array_search($sock, $this->list_web, TRUE) !== FALSE) {
 938                                 // printf("Arrivati %d bytes da list\n", mb_strlen($buf, "ASCII"));
 939                                 ;
 940                             }
 941                             else if ($sock === $this->list_cmd) {
 942                                 // printf("Arrivati %d bytes da list_cmd\n", mb_strlen($buf, "ASCII"));
 943                                 ;
 944                             }
 945                             else if ($sock === $this->in || $sock === static::$cnt_slave) {
 946                                 // printf("Arrivati %d bytes da stdin\n", mb_strlen($buf, "ASCII"));
 947                                 $line = trim($buf);
 948                                 if ($line == "reload") {
 949                                     require("$DOCUMENT_ROOT/Etc/".BRISK_CONF);
 950                                     $this->reload(FALSE, $G_provider_proxy);
 951                                     $this->app->reload(FALSE, $G_ban_list, $G_black_list,
 952                                                        $G_cloud_smasher);
 953                                     if (!$this->check_globals()) {
 954                                         fprintf(STDERR, "Take a look to the phplog file, GLOBALS missing!\n");
 955                                         sleep(10);
 956                                     }
 957                                     global_dump();
 958                                 }
 959                                 else if ($line == "dump") {
 960                                     $dump_users = TRUE;
 961                                 }
 962                                 else if ($line == "shutdown" || $line == "sd") {
 963                                     if ($this->app->dump_data()) {
 964                                         return(0);
 965                                     }
 966                                     else {
 967                                         return(1);
 968                                     }
 969                                 }
 970                             }
 971                             else {  // data arrived from not special socket
 972                                 $key = array_search("$sock", $this->socks);
 973                                 // fprintf(STDERR, "Arrivati %d bytes dalla socket n. %d\n", mb_strlen($buf, "ASCII"), $key);
 974
 975                                 if (isset($this->s2u[$id])) {
 976                                     //
 977                                     //  TODO:
 978                                     //     fix $addr
 979                                     //     fix $this->pendpage_try_addflush below (probably not required)
 980                                     //
 981                                     $addr = "127.0.0.1";
 982                                     $user = $this->s2u[$id];
 983
 984                                     // fprintf(STDERR, 'POST USER');
 985                                     if ($user && $user->rd_transp && strpos($user->rd_transp->type, "websocket") !== FALSE) {
 986                                         $clie_cmd = $user->rd_transp->unchunk($buf, $sock);
 987                                         $clie_cmd = json_decode($clie_cmd, TRUE);
 988                                         // fprintf(STDERR, "HERE WE ARE INCOMING DATA [%s]\n", print_r($clie_cmd, TRUE));
 989
 990                                         $wr_addr = substr(parse_url($clie_cmd["target"])["path"], strlen(SITE_PREFIX));
 991                                         if ($wr_addr == "index_wr.php") {
 992                                             ob_start();
 993                                             // complete: index_wr_main($this->app, $addr, $get, $post, $cookie);
 994                                             index_wr_main($this->app, $addr, $clie_cmd, NULL, NULL);
 995                                             $content = ob_get_contents();
 996                                             ob_end_clean();
 997                                         }
 998                                         else if ($wr_addr == "briskin5/index_wr.php") {
 999                                             $table_idx = $clie_cmd['table_idx'];
1000                                             $table_token = $clie_cmd['table_token'];
1001
1002                                             if (($bri = $this->app->match_get($table_idx, $table_token)) != FALSE) {
1003                                                 ob_start();
1004                                                 bin5_index_wr_main($bri, $addr, $clie_cmd, NULL, NULL);
1005                                                 $content = ob_get_contents();
1006                                                 ob_end_clean();
1007                                             }
1008                                         }
1009                                         else {
1010                                             fprintf(STDERR, "Unknown page [%s]\n", $wr_addr);
1011                                         }
1012                                         /*
1013                                           briskin5/index_wr.php
1014
1015                                           if (isset($table_idx) && isset($table_token)) {
1016                                           if (($bri = $s_a_p->app->match_get($table_idx, $table_token)) != FALSE) {
1017                                           ob_start();
1018                                           bin5_index_wr_main($bri, $addr, $get, $post, $cookie);
1019                                           $content = ob_get_contents();
1020                                           ob_end_clean();
1021                                           }
1022                                           else {
1023                                           $content = "Bin5 Load data error";
1024                                           }
1025                                           }
1026                                           else {
1027                                           $content = "Bin5 Load data error";
1028                                           }
1029                                           $s_a_p->pendpage_try_addflush($new_socket, 20, $enc, $header_out, $content);
1030                                         */
1031                                     }
1032                                 }
1033                                 else {
1034                                     fprintf(STDERR, "User associated with ID: %s not found\n", $id);
1035                                 }
1036
1037                                 if (isset($this->s2p[$id])) {
1038                                     $this->s2p[$id]->rest -= mb_strlen($buf, "ASCII");
1039                                     $this->s2p[$id]->cont .= $buf;
1040                                     if ($this->s2p[$id]->rest <= 0) {
1041                                         $header = $new_socket = $path = $addr = $get = $cookie = 0;
1042                                         $post = array();
1043
1044                                         $this->s2p[$id]->context_get($header, $new_socket, $path, $addr, $get, $post, $cookie);
1045                                         $this->pendpage_rem($this->s2p[$id]);
1046                                         fprintf(STDERR, "SOCKET RUN: %s\n", $new_socket);
1047
1048                                         $manage_page = TRUE;
1049                                     }
1050                                 }
1051
1052                                 // postclose case
1053                                 if (isset($this->s2c[$id])) {
1054                                     $postclose = $this->s2c[$id];
1055                                     // printf("POSTCLOSE: found pc in s2c list\n");
1056                                     if ($postclose->read($buf, $this->curtime) == 0) {
1057                                         printf("POSTCLOSE: received end opcode, close\n");
1058                                         fclose($sock);
1059                                         $this->socks_unset($sock);
1060                                     }
1061                                 }
1062                             }
1063                         }
1064                     }
1065
1066                     if ($manage_page == TRUE) {
1067                         /*
1068                         printf("M: %s\nHEADER:\n", $method);
1069                         print_r($header);
1070                         printf("GET:\n");
1071                         print_r($get);
1072                         printf("POST:\n");
1073                         print_r($post);
1074                         printf("COOKIE:\n");
1075                         print_r($cookie);
1076                         */
1077
1078                         $header_out = array();
1079                         // TODO: MOVE DOWN request_mgr to factorize new_sockets and POST closed
1080                         $rret = FALSE;
1081                         if (!strncmp($path, SITE_PREFIX, SITE_PREFIX_LEN)) {
1082                             $rret = $this->app->request_mgr($this, $header, $header_out, $new_socket, substr($path, SITE_PREFIX_LEN), $addr, $get, $post, $cookie);
1083                         }
1084                         if ($rret == FALSE) {
1085                             // FIXME: manage 404 !!!
1086                             printf("TODO: fix unknown page: %s\n", $path);
1087                             fclose($new_socket);
1088                         }
1089                     }
1090                 }
1091             }
1092             if ($G_profile) {
1093                 $mtime_read = microtime(TRUE);
1094                 $mtsum_read += $mtime_read - $mtime_idle;
1095             }
1096
1097             $this->garbage_manager(FALSE);
1098
1099             if ($G_profile) {
1100                 $mtime_garb = microtime(TRUE);
1101                 $mtsum_garb += $mtime_garb - $mtime_read;
1102             }
1103
1104             /* manage unfinished pages */
1105             foreach ($this->pending_pages as $k => $pendpage) {
1106                 // TODO: try_flush if exists in the class
1107                 if ($pendpage->try_flush($this->curtime) == TRUE) {
1108                     unset($this->pending_pages[$k]);
1109                 }
1110             }
1111
1112             if ($G_profile) {
1113                 $mtime_unfi = microtime(TRUE);
1114                 $mtsum_unfi += $mtime_unfi - $mtime_garb;
1115             }
1116
1117             /*
1118                $response:                        raw stream data not sent
1119                $content:                         html consistent data (<script bla bla>)
1120                $user->stream_keepalive($w_ping)  ping srv->cli OR srv->cli + cli->srv if $w_ping == TRUE
1121             */
1122
1123             /* manage open streaming */
1124             foreach ($this->socks as $k => $sock) {
1125                 $id = intval($sock);
1126                 if (isset($this->s2u[$id])) {
1127                     $user = $this->s2u[$id];
1128
1129                     if ($user->rd_toflush) {
1130                         if (fflush($sock) == FALSE)
1131                             continue;
1132                         else
1133                             $user->rd_toflush = FALSE;
1134                     }
1135                     $response = $user->rd_cache_get();
1136                     $do_ping = FALSE;
1137                     if (($this->curtime - $user->lacc) > (EXPIRE_TIME_RD / 3)) {
1138                         $do_ping = TRUE;
1139                     }
1140                     else {
1141                         $user->ping_req = FALSE;
1142                     }
1143
1144                     if ($response == "") {
1145                         $content = "";
1146                         $user->stream_main($content, $get, $post, $cookie);
1147                         if ($dump_users) {
1148                            printf("[%s] [%d] [%d]\n", $user->name, $user->lacc, $this->curtime);
1149                         }
1150                         if ($do_ping && $user->ping_req == FALSE) {
1151                             $content .= $user->stream_keepalive(TRUE);
1152                             $user->ping_req = TRUE;
1153                         }
1154                         else if ($content == "" && $user->rd_kalive_is_expired($this->curtime)) {
1155                             $content = $user->stream_keepalive(FALSE);
1156                         }
1157                         if ($content != "") {
1158                             $response = $user->chunked_content($content);
1159                         }
1160                     }
1161
1162                     if ($response != "") {
1163                         // echo "SPIA: [".substr($response, 0, 60)."...]\n";
1164                         // echo "SPIA: [".$response."]\n";
1165                         $response_l = mb_strlen($response, "ASCII");
1166                         $wret = @fwrite($sock, $response, $response_l);
1167                         if ($wret < $response_l) {
1168                             printf("TROUBLE WITH FWRITE: %d\n", $wret);
1169                             $user->rd_cache_set(mb_substr($response, $wret, $response_l - $wret, "ASCII"));
1170                         }
1171                         else {
1172                             $user->rd_cache_set("");
1173                         }
1174                         if (fflush($sock) == FALSE) {
1175                             $user->rd_toflush = TRUE;
1176                             continue;
1177                         }
1178                         $user->rd_kalive_reset($this->curtime);
1179                     }
1180
1181                     // close socket after a while to prevent client memory consumption
1182                     if ($user->rd_endtime_is_expired($this->curtime)) {
1183                         $postclose = $user->stream_postclose_get($sock, $this->curtime);
1184                         if ($user->rd_socket_get() != NULL) {
1185                             $user->rd_socket_set(NULL);
1186                         }
1187                         unset($this->socks[$id]);
1188                         unset($this->s2u[$id]);
1189                         $clo = $user->stream_close();
1190                         $clo_l = mb_strlen($clo, "ASCII");
1191                         @fwrite($sock, $clo, $clo_l);
1192                         if ($postclose) {
1193                             $this->socks_set($sock, NULL, NULL, $postclose);
1194                         }
1195                         else {
1196                             fclose($sock);
1197                         }
1198                         // printf("CLOSE ON LOOP\n");
1199                     }
1200                 }  // if (isset($this->s2u[$id]...
1201             }  // foreach ($this->socks...
1202             if ($G_profile) {
1203                 $mtime_mana = microtime(TRUE);
1204                 $mtsum_mana += $mtime_mana - $mtime_unfi;
1205             }
1206             $dump_users = FALSE;
1207             printf("#");
1208             if (defined('CURL_DE_SAC_VERS')) {
1209                 $this->app->cds->process();
1210             }
1211             $lastime = ($this->curtime >> 2);
1212         }  // while (...
1213     }  // function run(...
1214
1215     function pproxy_realip(&$header, $ip_str)
1216     {
1217         return ($this->provider_proxy->realip($header, $ip_str));
1218     }
1219
1220     function reload($is_first, $prov_proxy)
1221     {
1222         fprintf(STDERR, "SAP RELOAD STUFF (%d)\n", count($prov_proxy));
1223
1224         $this->provider_proxy->update($prov_proxy);
1225     }
1226
1227     function direct_command($cmdstr)
1228     {
1229         GLOBAL $G_alarm_passwd;
1230
1231         $cmd = cmd_deserialize($cmdstr);
1232
1233         if (!isset($cmd['cmd'])) {
1234             return cmd_return(500, 'no cmd found');
1235         }
1236         // "cmd" => "userauth", "sess" => 'xxxxxxxxxxx', 'private' => 'it_must_be_correct',
1237         //           'the_end' => 'true' );
1238         // cmd=userauth&sess=52d796ac08c47&private=yourpasswd192.168.122.152d796ac08c47&the_end=true
1239         if ($cmd['cmd'] == 'userauth') {
1240             if (!isset($cmd['sess']) || !isset($cmd['private'])) {
1241                 return cmd_return(401, 'malformed cmd');
1242             }
1243             $idx = -1;
1244             if (($user = $this->app->get_user($cmd['sess'], $idx)) == FALSE)
1245                 return cmd_return(402, 'user not found');
1246
1247             if (($user->flags & USER_FLAG_TY_ADMIN) == 0x00)
1248                 return cmd_return(403, 'permission denied');
1249
1250             if (md5($G_alarm_passwd.$user->ip.$user->sess) != $cmd['private'])
1251                 return cmd_return(404, 'authentication failed ['.$cmd['private'].']['.$G_alarm_passwd.$user->ip.$user->sess.']');
1252
1253             return cmd_return(200, 'success');
1254         }
1255
1256         return cmd_return(501, 'no cmd found');
1257     }
1258
1259     function direct_mgmt($socket)
1260     {
1261         printf("DIRECT: begin\n");
1262         $st = DIRECT_ST_READ;
1263         $cmd_all = "";
1264         $endtime = $this->curtime + 3;
1265
1266         while(time() <= $endtime) {
1267             printf("DIRECT: init loop %d\n", $st);
1268             if ($st == DIRECT_ST_READ) {
1269                 $buf = fread($socket, 4096);
1270                 if ($buf == FALSE && feof($socket)) {
1271                     break;
1272                 }
1273                 else if ($buf != FALSE && strlen($buf) > 0) {
1274                     $cmd_all .= $buf;
1275
1276                     if (substr(trim($cmd_all), -13) == "&the_end=true") {
1277                         $output_arr = $this->direct_command($cmd_all);
1278                         $output = cmd_serialize($output_arr);
1279                         $output_cur = 0;
1280                         $output_len = mb_strlen($output, "ASCII");
1281                         $st = DIRECT_ST_WRITE;
1282                         continue;
1283                     }
1284                 }
1285             }
1286             else if ($st == DIRECT_ST_WRITE)  {
1287                 $ret = fwrite($socket, $output, $output_len);
1288                 if ($ret === FALSE) {
1289                     if (feof($socket)) {
1290                         break;
1291                     }
1292                 }
1293                 else if ($ret > 0 && $ret < $output_len) {
1294                     $output = substr($output, -($output_len - $ret));
1295                     $output_len -= $ret;
1296                     continue;
1297                 }
1298                 else if ($ret == $output_len) {
1299                     fclose($socket);
1300                     return TRUE;
1301                 }
1302             }
1303             // probably not needed
1304             // usleep(10000);
1305         }
1306
1307         fclose($socket);
1308         return FALSE;
1309     }
1310 } // class Sac_a_push
1311 ?>