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 function global_dump()
  34 {
  35     GLOBAL $G_alarm_passwd, $G_ban_list, $G_black_list, $G_btrace_pref_sub, $G_dbauth;
  36     GLOBAL $G_dbpfx, $G_donors_all, $G_donors_cur, $G_is_local, $G_lang;
  37     GLOBAL $G_poll_entries, $G_poll_name, $G_poll_title, $G_proxy_white_list;
  38     GLOBAL $G_room_roadmap, $G_shutdown;
  39     GLOBAL $G_splash_content, $G_splash_contents, $G_splash_cont_idx;
  40     GLOBAL $G_splash_h, $G_splash_idx, $G_splash_interval, $G_splash_timeout;
  41     GLOBAL $G_splash_w, $G_topbanner, $G_with_donors, $G_with_poll;
  42     GLOBAL $G_with_splash, $G_sidebanner, $G_sidebanner_idx;
  43     GLOBAL $G_with_topbanner;
  44
  45     fprintf(STDERR, "G_alarm_passwd = [%s]\n", print_r($G_alarm_passwd, TRUE));
  46     fprintf(STDERR, "G_ban_list = [%s]\n", print_r($G_ban_list, TRUE));
  47     fprintf(STDERR, "G_black_list = [%s]\n", print_r($G_black_list, TRUE));
  48     fprintf(STDERR, "G_btrace_pref_sub = [%s]\n", print_r($G_btrace_pref_sub, TRUE));
  49     fprintf(STDERR, "G_dbauth = [%s]\n", print_r($G_dbauth, TRUE));
  50     fprintf(STDERR, "G_dbpfx = [%s]\n", print_r($G_dbpfx, TRUE));
  51     fprintf(STDERR, "G_donors_all = [%s]\n", print_r($G_donors_all, TRUE));
  52     fprintf(STDERR, "G_donors_cur = [%s]\n", print_r($G_donors_cur, TRUE));
  53     fprintf(STDERR, "G_is_local = [%s]\n", print_r($G_is_local, TRUE));
  54     fprintf(STDERR, "G_lang = [%s]\n", print_r($G_lang, TRUE));
  55     fprintf(STDERR, "G_poll_entries = [%s]\n", print_r($G_poll_entries, TRUE));
  56     fprintf(STDERR, "G_poll_name = [%s]\n", print_r($G_poll_name, TRUE));
  57     fprintf(STDERR, "G_poll_title = [%s]\n", print_r($G_poll_title, TRUE));
  58     fprintf(STDERR, "G_proxy_white_list = [%s]\n", print_r($G_proxy_white_list, TRUE));
  59     fprintf(STDERR, "G_room_roadmap = [%s]\n", print_r($G_room_roadmap, TRUE));
  60     fprintf(STDERR, "G_shutdown = [%s]\n", print_r($G_shutdown, TRUE));
  61     fprintf(STDERR, "G_splash_content = [%s]\n", print_r($G_splash_content, TRUE));
  62     fprintf(STDERR, "G_splash_contents = [%s]\n", print_r($G_splash_contents, TRUE));
  63     fprintf(STDERR, "G_splash_cont_idx = [%s]\n", print_r($G_splash_cont_idx, TRUE));
  64     fprintf(STDERR, "G_splash_h = [%s]\n", print_r($G_splash_h, TRUE));
  65     fprintf(STDERR, "G_splash_idx = [%s]\n", print_r($G_splash_idx, TRUE));
  66     fprintf(STDERR, "G_splash_interval = [%s]\n", print_r($G_splash_interval, TRUE));
  67     fprintf(STDERR, "G_splash_timeout = [%s]\n", print_r($G_splash_timeout, TRUE));
  68     fprintf(STDERR, "G_splash_w = [%s]\n", print_r($G_splash_w, TRUE));
  69     fprintf(STDERR, "G_topbanner = [%s]\n", print_r($G_topbanner, TRUE));
  70     fprintf(STDERR, "G_with_donors = [%s]\n", print_r($G_with_donors, TRUE));
  71     fprintf(STDERR, "G_with_poll = [%s]\n", print_r($G_with_poll, TRUE));
  72     fprintf(STDERR, "G_sidebanner = [%s]\n", print_r($G_sidebanner, TRUE));
  73     fprintf(STDERR, "G_sidebanner_idx = [%s]\n", print_r($G_sidebanner_idx, TRUE));
  74     fprintf(STDERR, "G_with_splash = [%s]\n", print_r($G_with_splash, TRUE));
  75     fprintf(STDERR, "G_with_topbanner = [%s]\n", print_r($G_with_topbanner, TRUE));
  76 }
  77
  78 function pid_save()
  79 {
  80     $pid = getmypid();
  81     $fname = LEGAL_PATH."/brisk.pid";
  82
  83     if (file_exists($fname)) {
  84         log_crit("WARN: brisk.pid already exists");
  85     }
  86     file_put_contents($fname, sprintf("%d\n", $pid));
  87 }
  88
  89 function pid_remove()
  90 {
  91     $fname = LEGAL_PATH."/brisk.pid";
  92
  93     if (file_exists($fname)) {
  94         unlink($fname);
  95     }
  96 }
  97
  98 function post_manage(&$post, $line)
  99 {
 100     $a = explode('&', $line);
 101     for ($i = 0 ; $i < count($a) ; $i++) {
 102         $b = explode('=', $a[$i]);
 103         if (isset($b[0])) {
 104             if (isset($b[1])) {
 105                 $post[$b[0]] = urldecode($b[1]);
 106             }
 107             else {
 108                 $post[$b[0]] = "";
 109             }
 110         }
 111     }
 112 }
 113
 114 function spu_process_info($stream_info, &$method, &$header, &$get, &$post, &$cookie, &$rest, &$cont)
 115 {
 116     $check_post = FALSE;
 117     $header = array();
 118     $get = array();
 119     $post = array();
 120     $rest = 0;
 121     foreach(preg_split("/(\r?\n)/", $stream_info) as $line) {
 122         printf("LINE: [%s]\n", $line);
 123         if ($check_post) {
 124             if (!isset($header['The-Request'])) {
 125                 return FALSE;
 126             }
 127             $req = explode(" ", $header['The-Request']);
 128             $method = $req[0];
 129
 130             if (isset($header['Cookie'])) {
 131
 132                 // 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)]
 133
 134                 $cookies = explode("; ", $header['Cookie']);
 135                 for ($i = 0 ; $i < count($cookies) ; $i++) {
 136                     $name = mb_strstr($cookies[$i], "=", TRUE, 'UTF-8');
 137                     if ($name == FALSE) {
 138                         if (mb_strlen($cookies[$i]) > 0) {
 139                             $cookie[$cookies[$i]] = "";
 140                         }
 141                         else {
 142                             printf("WARNING: malformat cookie element [%s]\n", $cookies[$i]);
 143                         }
 144                         continue;
 145                     }
 146
 147                     $value = mb_substr($cookies[$i], mb_strlen($name)+1, 10140, 'UTF-8');
 148                     $cookie[$name] = urldecode($value);
 149                 }
 150             }
 151             // GET params management
 152             $get_vars = explode('?', $req[1], 2);
 153             $path = $get_vars[0];
 154             if (count($get_vars) > 1) {
 155                 $a = explode('&', $get_vars[1]);
 156                 printf("A COUNT: [%s] %d\n", $a[0], count($a));
 157                 for ($i = 0 ; $i < count($a) ; $i++) {
 158                     $b = explode('=', $a[$i]);
 159                     $get[$b[0]] = urldecode($b[1]);
 160                 }
 161             }
 162             // POST params management
 163             if ($req[0] == 'POST') {
 164                 $conttype_all = explode(";", $header['Content-Type']);
 165                 $header['Content-Type'] = $conttype_all[0];
 166                 // $path_all[1-] other things like charset and so on
 167
 168                 // if (content-type is wrong || content-length isn't set)
 169                 //     return false
 170
 171                 if ($header['Content-Type'] != 'application/x-www-form-urlencoded'
 172                     || !isset($header['Content-Length'])) {
 173                     return FALSE;
 174                 }
 175                 $post_len = mb_strlen($line, "ASCII");
 176                 printf("INFO: postlen: %d\n", $post_len);
 177                 $rest = (int)($header['Content-Length']) - $post_len;
 178
 179                 if ($rest == 0) {
 180                     post_manage($post, $line);
 181                 }
 182                 else {
 183                     $cont = $line;
 184                 }
 185             }
 186             break;
 187         }
 188         if ($line == "") {
 189             $check_post = TRUE;
 190             continue;
 191         }
 192         $split = explode(":", $line, 2);
 193         $hea_id = trim(mb_convert_case($split[0], MB_CASE_TITLE, 'UTF-8'));
 194         $header[$hea_id] = $split[1];
 195     }
 196     return $path;
 197 }
 198
 199 function gpcs_var($name, $get, $post, $cookie)
 200 {
 201     if (isset($GLOBALS[$name]))
 202         return FALSE;
 203     else if (isset($cookie[$name]))
 204         return ($cookie[$name]);
 205     else if (isset($post[$name]))
 206         return ($post[$name]);
 207     else if (isset($get[$name]))
 208         return ($get[$name]);
 209
 210     return FALSE;
 211 }
 212
 213 function headers_render($header, $len)
 214 {
 215     $cookies = "";
 216
 217     if (isset($header['cookies'])) {
 218         $cookies = $header['cookies']->render();
 219         unset($header['cookies']);
 220     }
 221     if (isset($header['Location'])) {
 222         $s = sprintf("HTTP/1.1 302 OK\r\n%sLocation: %s\r\n", $cookies, $header['Location']);
 223     }
 224     else if (isset($header['HTTP-Response'])) {
 225         $s = sprintf("HTTP/1.1 %s\r\n", $header['HTTP-Response']);
 226         foreach($header as $key => $value) {
 227             if (strtolower($key) == "http-response")
 228                 continue;
 229             $s .= sprintf("%s: %s\r\n", $key, $value);
 230         }
 231         if ($len >= 0) {
 232             $s .= sprintf("Content-Length: %ld\r\n", $len);
 233         }
 234     }
 235     else {
 236         $s = "HTTP/1.1 200 OK\r\n";
 237
 238         if (!isset($header['Date']))
 239             $s .= sprintf("Date: %s\r\n", date(DATE_RFC822));
 240         if (!isset($header['Connection']))
 241             $s .= "Connection: close\r\n";
 242         if (!isset($header['Content-Type']))
 243             $s .= "Content-Type: text/html\r\n";
 244         foreach($header as $key => $value) {
 245             $s .= sprintf("%s: %s\r\n", $key, $value);
 246         }
 247         if ($len >= 0) {
 248             $s .= sprintf("Content-Length: %d\r\n", $len);
 249         }
 250         else {
 251             $s .= "Cache-Control: no-cache, must-revalidate\r\n";
 252             $s .= "Expires: Mon, 26 Jul 1997 05:00:00 GMT\r\n";
 253             if (!isset($header['Content-Encoding'])) {
 254                 $s .= "Content-Encoding: chunked\r\n";
 255             }
 256             $s .= "Transfer-Encoding: chunked\r\n";
 257         }
 258         $s .= $cookies;
 259     }
 260     $s .= "\r\n";
 261
 262     return ($s);
 263 }
 264
 265 /*
 266  *  Caching system using ob php system to cache old style pages
 267  *  to a var and than send it with more calm
 268  */
 269
 270 function shutta()
 271 {
 272   log_rd2("SHUTTA [".connection_status()."] !");
 273 }
 274
 275 register_shutdown_function('shutta');
 276
 277 /*
 278  *  MAIN
 279  */
 280
 281 function get_encoding($header)
 282 {
 283     $enc = "plain";
 284     if (isset($header['Accept-Encoding'])) {
 285         $acc = explode(',', $header['Accept-Encoding']);
 286
 287         if (array_search('gzip', $acc) !== FALSE) {
 288             $enc = 'gzip';
 289         }
 290         else if (array_search('deflate', $acc) !== FALSE) {
 291             $enc = 'deflate';
 292         }
 293     }
 294
 295     return ($enc);
 296 }
 297
 298 class Cookie {
 299     var $attr;
 300     // Set-Cookie: reg_fb_gate=deleted; Expires=Thu, 01-Jan-1970 00:00:01 GMT; Path=/; Domain=.foo.com; HttpOnly
 301     // string $name  [, string $value  [, int $expire = 0  [, string $path  [, string $domain  [, bool $secure = false  [, bool $httponly = false  ]]]]]] )
 302     function Cookie()
 303     {
 304         $this->attr = array();
 305     }
 306
 307     static function create($name)
 308     {
 309         $thiz = new Cookie();
 310
 311         $thiz->attr[$name] = "";
 312
 313         $argc = func_num_args();
 314         for ($i = 1 ; $i < $argc ; $i++) {
 315             $arg = func_get_arg($i);
 316             switch ($i) {
 317             case 1:
 318                 $thiz->attr[$name] = urlencode($arg);
 319                 break;
 320             case 2:
 321                 $thiz->attr['Expires'] = gmdate('D, d M Y H:i:s \G\M\T', $arg); // RFC 1211 format
 322                 break;
 323             case 3:
 324                 $thiz->attr['Path'] = $arg;
 325                 break;
 326             case 4:
 327                 $thiz->attr['Domain'] = $arg;
 328                 break;
 329             case 5:
 330                 if ($arg == TRUE) {
 331                     $thiz->attr['Secure'] = NULL;
 332                 }
 333                 break;
 334             case 6:
 335                 if ($arg == TRUE) {
 336                     $thiz->attr['HttpOnly'] = NULL;
 337                 }
 338                 break;
 339             default:
 340                 return FALSE;
 341             }
 342         }
 343
 344         return $thiz;
 345     }
 346
 347     function render()
 348     {
 349         $r = "Set-Cookie: ";
 350         $isfirst = TRUE;
 351
 352         foreach ($this->attr as $k => $v) {
 353             if ($v == NULL) {
 354                 $r .= sprintf("%s%s", ($isfirst ? "" : "; "), $k);
 355             }
 356             else {
 357                 $r .= sprintf("%s%s=%s", ($isfirst ? "" : "; "), $k, $v);
 358             }
 359             $isfirst = FALSE;
 360         }
 361         $r .= "\r\n";
 362
 363         return $r;
 364     }
 365 }
 366
 367 class Cookies {
 368     var $cookies;
 369
 370     function Cookies()
 371     {
 372         $this->cookies = array();
 373     }
 374
 375     function add($name)
 376     {
 377         if (($cookie = call_user_func_array("Cookie::create", func_get_args())) == FALSE)
 378             return (FALSE);
 379
 380         array_push($this->cookies, $cookie);
 381
 382         return (TRUE);
 383     }
 384
 385     function render()
 386     {
 387         $r = "";
 388         foreach ($this->cookies as $cookie) {
 389             $r .= $cookie->render();
 390         }
 391
 392         return ($r);
 393     }
 394 }
 395
 396
 397 class Sac_a_push {
 398     // maybe fixed_fd is unuseful
 399     static $fixed_fd = 3;
 400     static $cnt_master = NULL;
 401     static $cnt_slave  = NULL;
 402
 403     var $file_socket;
 404     var $unix_socket;
 405     var $direct_socket;   // socket where read direct commands
 406     var $socks;
 407     var $s2u;             // user associated with input socket
 408     var $s2p;             // pending page associated with input socket
 409     var $pending_pages;
 410     var $is_daemon;
 411
 412     var $list_web;
 413     var $list_cmd;
 414     var $in;
 415
 416     var $debug;
 417     var $blocking_mode;
 418
 419     var $app;
 420
 421     var $curtime;
 422
 423     var $rndstr;
 424     var $main_loop;
 425
 426     function Sac_a_push()
 427     {
 428     }
 429
 430     function sig_handler($sig)
 431     {
 432         switch ($sig) {
 433         case SIGINT:
 434             exit(1);
 435             break;
 436         case SIGTERM:
 437             if (static::$cnt_master != NULL) {
 438                     fwrite(static::$cnt_master, "\nshutdown\n");
 439                     fflush(static::$cnt_master);
 440             }
 441             else {
 442                 exit(1);
 443             }
 444             break;
 445         case SIGHUP:
 446             if (static::$cnt_master != NULL) {
 447                 fwrite(static::$cnt_master, "\nreload\n");
 448                 fflush(static::$cnt_master);
 449             }
 450             break;
 451         }
 452     }
 453
 454     static function create(&$app, $sockname, $debug, $blocking_mode, $argv)
 455     {
 456         $thiz = new Sac_a_push();
 457
 458         $thiz->app = $app;
 459         $thiz->file_socket = $sockname;
 460         $thiz->unix_socket = "unix://$sockname";
 461         $thiz->direct_socket = "unix://${sockname}2";
 462         $thiz->debug = $debug;
 463         $thiz->socks = array();
 464         $thiz->s2u  = array();
 465         $thiz->s2p  = array();
 466         $thiz->pending_pages = array();
 467         $thiz->is_daemon = FALSE;
 468
 469         if (array_search("-d", $argv) !== FALSE || array_search("--daemon", $argv) !== FALSE) {
 470             $thiz->is_daemon = TRUE;
 471         }
 472
 473         // create a couple of sockets for control management
 474         if (($sockpair = stream_socket_pair(STREAM_PF_UNIX, STREAM_SOCK_STREAM,
 475                                             STREAM_IPPROTO_IP)) == FALSE) {
 476             return FALSE;
 477         }
 478         static::$cnt_master = $sockpair[0];
 479         static::$cnt_slave  = $sockpair[1];
 480
 481         pcntl_signal(SIGTERM, array("Sac_a_push", "sig_handler"));
 482         pcntl_signal(SIGINT, array("Sac_a_push", "sig_handler"));
 483         pcntl_signal(SIGHUP, array("Sac_a_push", "sig_handler"));
 484
 485         $thiz->blocking_mode = 0; // 0 for non-blocking
 486
 487         $thiz->rndstr = "";
 488         for ($i = 0 ; $i < 4096 ; $i++) {
 489             if (($i % 128) == 0)
 490                 $thiz->rndstr .= " ";
 491             else
 492                 $thiz->rndstr .= chr(mt_rand(65, 90));
 493         }
 494
 495         if (file_exists($thiz->file_socket)) {
 496             unlink($thiz->file_socket);
 497         }
 498         if (file_exists($thiz->file_socket."2")) {
 499             unlink($thiz->file_socket."2");
 500         }
 501
 502         $old_umask = umask(0);
 503         if (($thiz->list_web = stream_socket_server($thiz->unix_socket, $err, $errs)) === FALSE) {
 504             return (FALSE);
 505         }
 506         if (($thiz->list_cmd = stream_socket_server($thiz->direct_socket, $err, $errs)) === FALSE) {
 507             return (FALSE);
 508         }
 509         umask($old_umask);
 510         stream_set_blocking($thiz->list_web, $thiz->blocking_mode); # Set the stream to non-blocking
 511         stream_set_blocking($thiz->list_cmd, $thiz->blocking_mode); # Set the stream to non-blocking
 512
 513         if (($thiz->in = fopen("php://stdin", "r")) === FALSE) {
 514             return(FALSE);
 515         }
 516
 517         $thiz->main_loop = FALSE;
 518
 519         return ($thiz);
 520     }
 521
 522     function socks_set($sock, $user, $pendpage)
 523     {
 524         $id = intval($sock);
 525
 526         $this->socks[$id] = $sock;
 527         if ($user != NULL)
 528             $this->s2u[$id]   = $user;
 529         if ($pendpage != NULL)
 530             $this->s2p[$id]   = $pendpage;
 531     }
 532
 533     function socks_unset($sock)
 534     {
 535         $id = intval($sock);
 536
 537         if (isset($this->s2u[$id]))
 538             unset($this->s2u[$id]);
 539         if (isset($this->s2p[$id]))
 540             unset($this->s2p[$id]);
 541         unset($this->socks[$id]);
 542     }
 543
 544     function pendpage_try_addcont(&$new_socket, $tout, $method, $header, $get, $post, $cookie, $path, $addr, $rest, $cont)
 545     {
 546         $pendpage = PendingPage::pendingpage_continue(&$new_socket, $this->curtime, $tout, $method,
 547                                                            $header,           $get, $post, $cookie,
 548                                                              $path,          $addr, $rest, $cont);
 549
 550         $pendpage->try_flush($this->curtime);
 551         // Add $pendpage to the pendpage array (in any case)
 552         fprintf(STDERR, "IMPORTANT: Pendadd: %d\n", $pendpage->status);
 553         $this->pendpage_add($pendpage);
 554     }
 555
 556     function pendpage_try_addflush(&$new_socket, $tout, $enc, $header_out, $content)
 557     {
 558         $pendpage = PendingPage::pendingpage_flushing($new_socket, $this->curtime, $tout, $enc, $header_out, $content);
 559
 560         if ($pendpage->try_flush($this->curtime) == FALSE) {
 561             // Add $pendpage to the pendpage array
 562             $this->pendpage_add($pendpage);
 563         }
 564     }
 565
 566     function pendpage_add($pendpage)
 567     {
 568         array_push($this->pending_pages, $pendpage);
 569         $this->socks_set($pendpage->socket_get(), NULL, $pendpage);
 570     }
 571
 572     function pendpage_rem($pendpage)
 573     {
 574         $sock = $pendpage->socket_get();
 575         if (($key = array_search($pendpage, $this->pending_pages)) !== FALSE) {
 576             unset($this->pending_pages[$key]);
 577         }
 578         else {
 579             fprintf(STDERR, "WARNING: pendpage not found\n");
 580         }
 581         $this->socks_unset($sock);
 582         fprintf(STDERR, "PP_REM: %d\n", intval($sock));
 583     }
 584
 585
 586     function pendpage_try_addwait(&$new_socket, $tout, $method, $header, $get, $post, $cookie, $path, $addr, $rest, $cont)
 587     {
 588         $pendpage = PendingPage::pendingpage_waiting($new_socket, $this->curtime, $tout, $method, $header, $get, $post, $cookie, $path, $addr, $rest, $cont);
 589         /*
 590         if ($pendpage->try_flush($this->curtime) == FALSE) {
 591             // Add $pendpage to the pendpage array
 592             */
 593         $this->pendpage_add($pendpage);
 594         /*
 595         }
 596         */
 597     }
 598
 599     function garbage_manager($force)
 600     {
 601         $this->app->garbage_manager($force);
 602
 603         foreach ($this->socks as $k => $sock) {
 604             $id = intval($sock);
 605             if (isset($this->s2u[$id])) {
 606                 if ($this->s2u[$id]->sess == '') {
 607                     if ($this->s2u[$id]->rd_socket_get() != NULL) {
 608                         $this->s2u[$id]->rd_socket_set(NULL);
 609                     }
 610                     unset($this->socks[$id]);
 611                     unset($this->s2u[$id]);
 612                     fclose($sock);
 613                     printf("CLOSE ON GARBAGE MANAGER\n");
 614                 }
 615             }
 616         }
 617     }
 618
 619     function run()
 620     {
 621         GLOBAL $DOCUMENT_ROOT, $HTTP_HOST;
 622
 623         GLOBAL $G_alarm_passwd, $G_ban_list, $G_black_list, $G_btrace_pref_sub, $G_dbauth;
 624         GLOBAL $G_dbpfx, $G_donors_all, $G_donors_cur, $G_is_local, $G_lang;
 625         GLOBAL $G_poll_entries, $G_poll_name, $G_poll_title, $G_proxy_white_list;
 626         GLOBAL $G_room_roadmap, $G_shutdown;
 627         GLOBAL $G_splash_content, $G_splash_contents, $G_splash_cont_idx;
 628         GLOBAL $G_splash_h, $G_splash_idx, $G_splash_interval, $G_splash_timeout;
 629         GLOBAL $G_splash_w, $G_topbanner, $G_with_donors, $G_with_poll;
 630         GLOBAL $G_with_splash, $G_sidebanner, $G_sidebanner_idx;
 631         GLOBAL $G_with_topbanner;
 632         GLOBAL $G_tos_vers, $G_tos_fname, $G_tos_dtsoft, $G_tos_dthard, $G_tos_idx, $G_doc_path;
 633
 634         if ($this->main_loop) {
 635             return (FALSE);
 636         }
 637
 638         $this->main_loop = TRUE;
 639
 640         while ($this->main_loop) {
 641             $this->app->sess_cur_set(FALSE);
 642             $this->curtime = time();
 643             fprintf(STDERR, "IN LOOP: Current opened: %d  pending_pages: %d\n", count($this->socks), count($this->pending_pages));
 644
 645             /* Prepare the read array */
 646             /* // when we manage it ... */
 647             /* if ($shutdown)  */
 648             /*     $read   = array_merge(array("$in" => $in), $socks); */
 649             /* else */
 650             $pre_read = array_merge(array(intval($this->list_web) => $this->list_web,
 651                                           intval($this->list_cmd) => $this->list_cmd,
 652                                           intval(static::$cnt_slave) => static::$cnt_slave),
 653                                     $this->socks);
 654             if ($this->is_daemon == FALSE) {
 655                 $read = array_merge($pre_read, array(intval($this->in) => $this->in));
 656             }
 657             else {
 658                 $read = $pre_read;
 659             }
 660
 661             if ($this->debug > 1) {
 662                 printf("PRE_SELECT\n");
 663                 print_r($read);
 664             }
 665             $write  = NULL;
 666             $except = NULL;
 667             $num_changed_sockets = @stream_select($read, $write, $except, 0, 500000);
 668
 669             if ($num_changed_sockets == 0) {
 670                 printf(" no data in 5 secs, splash [%d]\n", $G_with_splash);
 671             }
 672             else if ($num_changed_sockets > 0) {
 673                 printf("num sock %d num_of_socket: %d\n", $num_changed_sockets, count($read));
 674                 if ($this->debug > 1) {
 675                     print_r($read);
 676                 }
 677                 /* At least at one of the sockets something interesting happened */
 678                 foreach ($read as $i => $sock) {
 679                     $id = intval($sock);
 680                     $manage_page = FALSE;
 681                     /* is_resource check is required because there is the possibility that
 682                        during new request an old connection is closed */
 683                     if (!is_resource($sock)) {
 684                         continue;
 685                     }
 686                     if ($sock === $this->list_web) {
 687                         printf("NUOVA CONNEX\n");
 688                         if (($new_unix = stream_socket_accept($this->list_web)) == FALSE) {
 689                             printf("SOCKET_ACCEPT FAILED\n");
 690                             continue;
 691                         }
 692                         $stream_info = "";
 693                         $method      = "";
 694                         $get         = array();
 695                         $post        = array();
 696                         $cookie      = array();
 697                         $rest        = 0;
 698                         $cont        = "";
 699                         if (($new_socket = ancillary_getstream($new_unix, $stream_info)) !== FALSE) {
 700                             printf("NEW_SOCKET: %d\n", intval($new_socket));
 701                             stream_set_blocking($new_socket, $this->blocking_mode); // Set the stream to non-blocking
 702                             printf("RECEIVED HEADER:\n%s", $stream_info);
 703                             if (($path = spu_process_info($stream_info, $method, $header,
 704                                                           $get, $post, $cookie, $rest, $cont))
 705                                 == FALSE) {
 706                                 fprintf(STDERR, "TODO: fix wrong header management\n");
 707                             }
 708                             $addr = stream_socket_get_name($new_socket, TRUE);
 709                             printf("PATH: [%s]\n", $path);
 710                             if ($method == "POST" && $rest > 0) {
 711                                 if (isset($header['Expect']) && $header['Expect'] == '100-continue') {
 712                                     fprintf(STDERR, "\nPOSTA DE CHE\n\n");
 713                                     $this->pendpage_try_addcont($new_socket, 20,
 714                                                                 $method, $header, $get, $post, $cookie,
 715                                                                 $path, $addr, $rest, $cont);
 716                                 }
 717                                 else {
 718                                     $this->pendpage_try_addwait($new_socket, 20,
 719                                                                 $method, $header, $get, $post, $cookie,
 720                                                                 $path, $addr, $rest, $cont);
 721                                 }
 722                             }
 723                             else {
 724                                 $manage_page = TRUE;
 725                             }
 726
 727                             printf("number of sockets after %d\n", count($this->socks));
 728                         }
 729                         else {
 730                             printf("WARNING: ancillary_getstream failed\n");
 731                         }
 732                     }
 733                     else if ($sock === $this->list_cmd) {
 734                         printf("NUOVA DIRECT CONNEX\n");
 735                         if (($new_unix = stream_socket_accept($this->list_cmd)) == FALSE) {
 736                             printf("SOCKET_ACCEPT FAILED\n");
 737                             continue;
 738                         }
 739                         stream_set_blocking($new_unix, $this->blocking_mode);
 740                         $this->direct_mgmt($new_unix);
 741                     } // not socket_list nor socket_list_cmd
 742                     else {  // already opened socket
 743                         $buf = fread($sock, 4096);
 744                         // if socket is closed
 745                         if ($buf == FALSE || feof($sock)) {
 746                             // close socket case
 747                             if ($buf == FALSE) {
 748                                 printf("INFO: read return false\n");
 749                             }
 750                             if ($sock === $this->list_web) {
 751                                 printf("Arrivati %d bytes da list\n", mb_strlen($buf, "ASCII"));
 752                                 return(21);
 753                             }
 754                             else if ($sock === $this->list_cmd) {
 755                                 printf("Arrivati %d bytes da list_cmd\n", mb_strlen($buf, "ASCII"));
 756                                 return(23);
 757                             }
 758                             else if ($sock === $this->in || $sock === static::$cnt_slave) {
 759                                 printf("Arrivati %d bytes da stdin\n", mb_strlen($buf, "ASCII"));
 760                                 return(22);
 761                             }
 762                             else {
 763                                 unset($this->socks[$id]);
 764                                 if (isset($this->s2u[$id])) {
 765                                     // $user_a[$s2u[$id]]->disable();
 766                                     if ($this->s2u[$id]->rd_socket_get() != NULL) {
 767                                         // try to send close frame (for websocket)
 768                                         $clo = $this->s2u[$id]->stream_close();
 769                                         $clo_l = mb_strlen($clo, "ASCII");
 770                                         @fwrite($sock, $clo, $clo_l);
 771                                         $this->s2u[$id]->rd_socket_set(NULL);
 772                                     }
 773                                     unset($this->s2u[$id]);
 774                                 }
 775                             }
 776                             fclose($sock);
 777                             printf("CLOSE ON READ\n");
 778
 779                             if ($this->debug > 1) {
 780                                 printf("post unset\n");
 781                                 print_r($this->socks);
 782                             }
 783                         }  // if ($buf == FALSE || mb_strlen($buf, "ASCII") == 0) {
 784                         else { // data on the socket
 785                             if ($this->debug > 1) {
 786                                 print_r($read);
 787                             }
 788                             if ($sock === $this->list_web) {
 789                                 printf("Arrivati %d bytes da list\n", mb_strlen($buf, "ASCII"));
 790                             }
 791                             else if ($sock === $this->list_cmd) {
 792                                 printf("Arrivati %d bytes da list_cmd\n", mb_strlen($buf, "ASCII"));
 793                             }
 794                             else if ($sock === $this->in || $sock === static::$cnt_slave) {
 795                                 printf("Arrivati %d bytes da stdin\n", mb_strlen($buf, "ASCII"));
 796                                 $line = trim($buf);
 797                                 if ($line == "reload") {
 798                                     require("$DOCUMENT_ROOT/Etc/".BRISK_CONF);
 799                                     $this->app->reload(FALSE, $G_ban_list, $G_black_list);
 800                                     global_dump();
 801                                 }
 802                                 else if ($line == "shutdown" || $line == "sd") {
 803                                     if ($this->app->dump_data()) {
 804                                         return(0);
 805                                     }
 806                                     else {
 807                                         return(1);
 808                                     }
 809                                 }
 810                             }
 811                             else {  // data arrived from not special socket
 812                                 $key = array_search("$sock", $this->socks);
 813                                 fprintf(STDERR, "Arrivati %d bytes dalla socket n. %d\n", mb_strlen($buf, "ASCII"), $key);
 814                                 if (isset($this->s2p[$id])) {
 815                                     $this->s2p[$id]->rest -= mb_strlen($buf, "ASCII");
 816                                     $this->s2p[$id]->cont .= $buf;
 817                                     if ($this->s2p[$id]->rest <= 0) {
 818                                         $header = $new_socket = $path = $addr = $get = $cookie = 0;
 819                                         $post = array();
 820
 821                                         $this->s2p[$id]->context_get($header, $new_socket, $path, $addr, $get, $post, $cookie);
 822                                         $this->pendpage_rem($this->s2p[$id]);
 823                                         fprintf(STDERR, "SOCKET RUN: %s\n", $new_socket);
 824
 825                                         $manage_page = TRUE;
 826                                     }
 827                                 }
 828                             }
 829                         }
 830                     }
 831
 832                     if ($manage_page == TRUE) {
 833                         printf("M: %s\nHEADER:\n", $method);
 834                         print_r($header);
 835                         printf("GET:\n");
 836                         print_r($get);
 837                         printf("POST:\n");
 838                         print_r($post);
 839                         printf("COOKIE:\n");
 840                         print_r($cookie);
 841
 842                         $header_out = array();
 843                         // TODO: MOVE DOWN request_mgr to factorize new_sockets and POST closed
 844                         $rret = FALSE;
 845                         if (!strncmp($path, SITE_PREFIX, SITE_PREFIX_LEN)) {
 846                             $rret = $this->app->request_mgr($this, $header, $header_out, $new_socket, substr($path, SITE_PREFIX_LEN), $addr, $get, $post, $cookie);
 847                         }
 848                         if ($rret == FALSE) {
 849                             // FIXME: manage 404 !!!
 850                             printf("TODO: fix unknown page\n");
 851                         }
 852                     }
 853                 }
 854             }
 855
 856             $this->garbage_manager(FALSE);
 857
 858             /* manage unfinished pages */
 859             foreach ($this->pending_pages as $k => $pendpage) {
 860                 // TODO: try_flush if exists in the class
 861                 if ($pendpage->try_flush($this->curtime) == TRUE) {
 862                     unset($this->pending_pages[$k]);
 863                 }
 864             }
 865
 866             /*
 867                $response:                        raw stream data not sent
 868                $content:                         html consistent data (<script bla bla>)
 869                $user->stream_keepalive($w_ping)  ping srv->cli OR srv->cli + cli->srv if $w_ping == TRUE
 870             */
 871
 872             /* manage open streaming */
 873             foreach ($this->socks as $k => $sock) {
 874                 $id = intval($sock);
 875                 if (isset($this->s2u[$id])) {
 876                     $user = $this->s2u[$id];
 877                     $response = $user->rd_cache_get();
 878                     $do_ping = FALSE;
 879                     if (($this->curtime - $user->lacc) > (EXPIRE_TIME_RD / 3)) {
 880                         $do_ping = TRUE;
 881                     }
 882                     else {
 883                         $user->ping_req = FALSE;
 884                     }
 885
 886                     if ($response == "") {
 887                         $content = "";
 888                         $user->stream_main($content, $get, $post, $cookie);
 889                         printf("[%s] [%d] [%d]\n", $user->name, $user->lacc, $this->curtime);
 890                         if ($do_ping && $user->ping_req == FALSE) {
 891                             $content .= $user->stream_keepalive(TRUE);
 892                             $user->ping_req = TRUE;
 893                         }
 894                         else if ($content == "" && $user->rd_kalive_is_expired($this->curtime)) {
 895                             $content = $user->stream_keepalive(FALSE);
 896                         }
 897                         if ($content != "") {
 898                             $response = $user->chunked_content($content);
 899                         }
 900                     }
 901
 902                     if ($response != "") {
 903                         // echo "SPIA: [".substr($response, 0, 60)."...]\n";
 904                         // echo "SPIA: [".$response."]\n";
 905                         $response_l = mb_strlen($response, "ASCII");
 906                         $wret = @fwrite($sock, $response, $response_l);
 907                         if ($wret < $response_l) {
 908                             printf("TROUBLE WITH FWRITE: %d\n", $wret);
 909                             $user->rd_cache_set(mb_substr($response, $wret, $response_l - $wret, "ASCII"));
 910                         }
 911                         else {
 912                             $user->rd_cache_set("");
 913                         }
 914                         fflush($sock);
 915                         $user->rd_kalive_reset($this->curtime);
 916                     }
 917
 918                     // close socket after a while to prevent client memory consumption
 919                     if ($user->rd_endtime_is_expired($this->curtime)) {
 920                         if ($this->s2u[$id]->rd_socket_get() != NULL) {
 921                             $this->s2u[$id]->rd_socket_set(NULL);
 922                         }
 923                         unset($this->socks[$id]);
 924                         unset($this->s2u[$id]);
 925                         $clo = $user->stream_close();
 926                         $clo_l = mb_strlen($clo, "ASCII");
 927                         @fwrite($sock, $clo, $clo_l);
 928                         fclose($sock);
 929                         printf("CLOSE ON LOOP\n");
 930                     }
 931                 }  // if (isset($this->s2u[$id]...
 932             }  // foreach ($this->socks...
 933             printf("\n");
 934             $this->app->cds->process();
 935         }  // while (...
 936     }  // function run(...
 937
 938     function direct_command($cmdstr)
 939     {
 940         GLOBAL $G_alarm_passwd;
 941
 942         $cmd = cmd_deserialize($cmdstr);
 943
 944         if (!isset($cmd['cmd'])) {
 945             return cmd_return(500, 'no cmd found');
 946         }
 947         // "cmd" => "userauth", "sess" => 'xxxxxxxxxxx', 'private' => 'it_must_be_correct',
 948         //           'the_end' => 'true' );
 949         // cmd=userauth&sess=52d796ac08c47&private=yourpasswd192.168.122.152d796ac08c47&the_end=true
 950         if ($cmd['cmd'] == 'userauth') {
 951             if (!isset($cmd['sess']) || !isset($cmd['private'])) {
 952                 return cmd_return(401, 'malformed cmd');
 953             }
 954             $idx = -1;
 955             if (($user = $this->app->get_user($cmd['sess'], &$idx)) == FALSE)
 956                 return cmd_return(402, 'user not found');
 957
 958             if (($user->flags & USER_FLAG_TY_ADMIN) == 0x00)
 959                 return cmd_return(403, 'permission denied');
 960
 961             if (md5($G_alarm_passwd.$user->ip.$user->sess) != $cmd['private'])
 962                 return cmd_return(404, 'authentication failed ['.$cmd['private'].']['.$G_alarm_passwd.$user->ip.$user->sess.']');
 963
 964             return cmd_return(200, 'success');
 965         }
 966
 967         return cmd_return(501, 'no cmd found');
 968     }
 969
 970     function direct_mgmt($socket)
 971     {
 972         printf("DIRECT: begin\n");
 973         $st = DIRECT_ST_READ;
 974         $cmd_all = "";
 975         $endtime = $this->curtime + 3;
 976
 977         while(time() <= $endtime) {
 978             printf("DIRECT: init loop %d\n", $st);
 979             if ($st == DIRECT_ST_READ) {
 980                 $buf = fread($socket, 4096);
 981                 if ($buf == FALSE && feof($socket)) {
 982                     break;
 983                 }
 984                 else if ($buf != FALSE && strlen($buf) > 0) {
 985                     $cmd_all .= $buf;
 986
 987                     if (substr(trim($cmd_all), -13) == "&the_end=true") {
 988                         $output_arr = $this->direct_command($cmd_all);
 989                         $output = cmd_serialize($output_arr);
 990                         $output_cur = 0;
 991                         $output_len = mb_strlen($output, "ASCII");
 992                         $st = DIRECT_ST_WRITE;
 993                         continue;
 994                     }
 995                 }
 996             }
 997             else if ($st == DIRECT_ST_WRITE)  {
 998                 $ret = fwrite($socket, $output, $output_len);
 999                 if ($ret === FALSE) {
1000                     if (feof($socket)) {
1001                         break;
1002                     }
1003                 }
1004                 else if ($ret > 0 && $ret < $output_len) {
1005                     $output = substr($output, -($output_len - $ret));
1006                     $output_len -= $ret;
1007                     continue;
1008                 }
1009                 else if ($ret == $output_len) {
1010                     fclose($socket);
1011                     return TRUE;
1012                 }
1013             }
1014             usleep(10000);
1015         }
1016
1017         fclose($socket);
1018         return FALSE;
1019     }
1020 } // class Sac_a_push
1021 ?>