web/Obj/sac-a-push.phh

   1 <?php
   2 /*
   3  *  brisk - Obj/sac-a-push.phh
   4  *
   5  *  Copyright (C) 2012 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_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, $G_sidebanner, $G_sidebanner2;
  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_sidebanner, $G_with_sidebanner2, $G_with_splash;
  43     GLOBAL $G_with_topbanner;
  44
  45     fprintf(STDERR, "G_alarm_passwd = [%s]\n", print_r($G_alarm_passwd, TRUE));
  46     fprintf(STDERR, "G_black_list = [%s]\n", print_r($G_black_list, TRUE));
  47     fprintf(STDERR, "G_btrace_pref_sub = [%s]\n", print_r($G_btrace_pref_sub, TRUE));
  48     fprintf(STDERR, "G_dbauth = [%s]\n", print_r($G_dbauth, TRUE));
  49     fprintf(STDERR, "G_dbpfx = [%s]\n", print_r($G_dbpfx, TRUE));
  50     fprintf(STDERR, "G_donors_all = [%s]\n", print_r($G_donors_all, TRUE));
  51     fprintf(STDERR, "G_donors_cur = [%s]\n", print_r($G_donors_cur, TRUE));
  52     fprintf(STDERR, "G_is_local = [%s]\n", print_r($G_is_local, TRUE));
  53     fprintf(STDERR, "G_lang = [%s]\n", print_r($G_lang, TRUE));
  54     fprintf(STDERR, "G_poll_entries = [%s]\n", print_r($G_poll_entries, TRUE));
  55     fprintf(STDERR, "G_poll_name = [%s]\n", print_r($G_poll_name, TRUE));
  56     fprintf(STDERR, "G_poll_title = [%s]\n", print_r($G_poll_title, TRUE));
  57     fprintf(STDERR, "G_proxy_white_list = [%s]\n", print_r($G_proxy_white_list, TRUE));
  58     fprintf(STDERR, "G_room_roadmap = [%s]\n", print_r($G_room_roadmap, TRUE));
  59     fprintf(STDERR, "G_shutdown = [%s]\n", print_r($G_shutdown, TRUE));
  60     fprintf(STDERR, "G_sidebanner = [%s]\n", print_r($G_sidebanner, TRUE));
  61     fprintf(STDERR, "G_sidebanner2 = [%s]\n", print_r($G_sidebanner2, TRUE));
  62     fprintf(STDERR, "G_splash_content = [%s]\n", print_r($G_splash_content, TRUE));
  63     fprintf(STDERR, "G_splash_contents = [%s]\n", print_r($G_splash_contents, TRUE));
  64     fprintf(STDERR, "G_splash_cont_idx = [%s]\n", print_r($G_splash_cont_idx, TRUE));
  65     fprintf(STDERR, "G_splash_h = [%s]\n", print_r($G_splash_h, TRUE));
  66     fprintf(STDERR, "G_splash_idx = [%s]\n", print_r($G_splash_idx, TRUE));
  67     fprintf(STDERR, "G_splash_interval = [%s]\n", print_r($G_splash_interval, TRUE));
  68     fprintf(STDERR, "G_splash_timeout = [%s]\n", print_r($G_splash_timeout, TRUE));
  69     fprintf(STDERR, "G_splash_w = [%s]\n", print_r($G_splash_w, TRUE));
  70     fprintf(STDERR, "G_topbanner = [%s]\n", print_r($G_topbanner, TRUE));
  71     fprintf(STDERR, "G_with_donors = [%s]\n", print_r($G_with_donors, TRUE));
  72     fprintf(STDERR, "G_with_poll = [%s]\n", print_r($G_with_poll, TRUE));
  73     fprintf(STDERR, "G_with_sidebanner = [%s]\n", print_r($G_with_sidebanner, TRUE));
  74     fprintf(STDERR, "G_with_sidebanner2 = [%s]\n", print_r($G_with_sidebanner2, TRUE));
  75     fprintf(STDERR, "G_with_splash = [%s]\n", print_r($G_with_splash, TRUE));
  76     fprintf(STDERR, "G_with_topbanner = [%s]\n", print_r($G_with_topbanner, TRUE));
  77 }
  78
  79 function pid_save()
  80 {
  81     $pid = getmypid();
  82     $fname = LEGAL_PATH."/brisk.pid";
  83
  84     if (file_exists($fname)) {
  85         log_crit("WARN: brisk.pid already exists");
  86     }
  87     file_put_contents($fname, sprintf("%d\n", $pid));
  88 }
  89
  90 function pid_remove()
  91 {
  92     $fname = LEGAL_PATH."/brisk.pid";
  93
  94     if (file_exists($fname)) {
  95         unlink($fname);
  96     }
  97 }
  98
  99 function post_manage(&$post, $line)
 100 {
 101     $a = explode('&', $line);
 102     for ($i = 0 ; $i < count($a) ; $i++) {
 103         $b = explode('=', $a[$i]);
 104         if (isset($b[0])) {
 105             if (isset($b[1])) {
 106                 $post[$b[0]] = urldecode($b[1]);
 107             }
 108             else {
 109                 $post[$b[0]] = "";
 110             }
 111         }
 112     }
 113 }
 114
 115 function spu_process_info($stream_info, &$method, &$header, &$get, &$post, &$cookie, &$rest, &$cont)
 116 {
 117     $check_post = FALSE;
 118     $header = array();
 119     $get = array();
 120     $post = array();
 121     $rest = 0;
 122     foreach(preg_split("/(\r?\n)/", $stream_info) as $line) {
 123         printf("LINE: [%s]\n", $line);
 124         if ($check_post) {
 125             if (!isset($header['The-Request'])) {
 126                 return FALSE;
 127             }
 128             $req = explode(" ", $header['The-Request']);
 129             $method = $req[0];
 130
 131             if (isset($header['Cookie'])) {
 132
 133                 // 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)]
 134
 135                 $cookies = explode("; ", $header['Cookie']);
 136                 for ($i = 0 ; $i < count($cookies) ; $i++) {
 137                     $name = mb_strstr($cookies[$i], "=", TRUE, 'UTF-8');
 138                     if ($name == FALSE) {
 139                         if (mb_strlen($cookies[$i]) > 0) {
 140                             $cookie[$cookies[$i]] = "";
 141                         }
 142                         else {
 143                             printf("WARNING: malformat cookie element [%s]\n", $cookies[$i]);
 144                         }
 145                         continue;
 146                     }
 147
 148                     $value = mb_substr($cookies[$i], mb_strlen($name)+1, 10140, 'UTF-8');
 149                     $cookie[$name] = urldecode($value);
 150                 }
 151             }
 152             // GET params management
 153             $get_vars = explode('?', $req[1], 2);
 154             $path = $get_vars[0];
 155             if (count($get_vars) > 1) {
 156                 $a = explode('&', $get_vars[1]);
 157                 printf("A COUNT: [%s] %d\n", $a[0], count($a));
 158                 for ($i = 0 ; $i < count($a) ; $i++) {
 159                     $b = explode('=', $a[$i]);
 160                     $get[$b[0]] = urldecode($b[1]);
 161                 }
 162             }
 163             // POST params management
 164             if ($req[0] == 'POST') {
 165                 $conttype_all = explode(";", $header['Content-Type']);
 166                 $header['Content-Type'] = $conttype_all[0];
 167                 // $path_all[1-] other things like charset and so on
 168
 169                 // if (content-type is wrong || content-length isn't set)
 170                 //     return false
 171
 172                 if ($header['Content-Type'] != 'application/x-www-form-urlencoded'
 173                     || !isset($header['Content-Length'])) {
 174                     return FALSE;
 175                 }
 176                 $post_len = mb_strlen($line, "ASCII");
 177                 printf("INFO: postlen: %d\n", $post_len);
 178                 $rest = (int)($header['Content-Length']) - $post_len;
 179
 180                 if ($rest == 0) {
 181                     post_manage($post, $line);
 182                 }
 183                 else {
 184                     $cont = $line;
 185                 }
 186             }
 187             break;
 188         }
 189         if ($line == "") {
 190             $check_post = TRUE;
 191             continue;
 192         }
 193         $split = explode(":", $line, 2);
 194         $hea_id = trim(mb_convert_case($split[0], MB_CASE_TITLE, 'UTF-8'));
 195         $header[$hea_id] = $split[1];
 196     }
 197     return $path;
 198 }
 199
 200 function gpcs_var($name, $get, $post, $cookie)
 201 {
 202     if (isset($GLOBALS[$name]))
 203         return FALSE;
 204     else if (isset($cookie[$name]))
 205         return ($cookie[$name]);
 206     else if (isset($post[$name]))
 207         return ($post[$name]);
 208     else if (isset($get[$name]))
 209         return ($get[$name]);
 210
 211     return FALSE;
 212 }
 213
 214 function headers_render($header, $len)
 215 {
 216     $cookies = "";
 217
 218     if (isset($header['cookies'])) {
 219         $cookies = $header['cookies']->render();
 220         unset($header['cookies']);
 221     }
 222     if (isset($header['Location'])) {
 223         $s = sprintf("HTTP/1.1 302 OK\r\n%sLocation: %s\r\n", $cookies, $header['Location']);
 224     }
 225     else if (isset($header['HTTP-Response'])) {
 226         $s = sprintf("HTTP/1.1 %s\r\n", $header['HTTP-Response']);
 227         foreach($header as $key => $value) {
 228             if (strtolower($key) == "http-response")
 229                 continue;
 230             $s .= sprintf("%s: %s\r\n", $key, $value);
 231         }
 232         if ($len >= 0) {
 233             $s .= sprintf("Content-Length: %ld\r\n", $len);
 234         }
 235     }
 236     else {
 237         $s = "HTTP/1.1 200 OK\r\n";
 238
 239         if (!isset($header['Date']))
 240             $s .= sprintf("Date: %s\r\n", date(DATE_RFC822));
 241         if (!isset($header['Connection']))
 242             $s .= "Connection: close\r\n";
 243         if (!isset($header['Content-Type']))
 244             $s .= "Content-Type: text/html\r\n";
 245         foreach($header as $key => $value) {
 246             $s .= sprintf("%s: %s\r\n", $key, $value);
 247         }
 248         if ($len >= 0) {
 249             $s .= sprintf("Content-Length: %d\r\n", $len);
 250         }
 251         else {
 252             $s .= "Cache-Control: no-cache, must-revalidate\r\n";
 253             $s .= "Expires: Mon, 26 Jul 1997 05:00:00 GMT\r\n";
 254             if (!isset($header['Content-Encoding'])) {
 255                 $s .= "Content-Encoding: chunked\r\n";
 256             }
 257             $s .= "Transfer-Encoding: chunked\r\n";
 258         }
 259         $s .= $cookies;
 260     }
 261     $s .= "\r\n";
 262
 263     return ($s);
 264 }
 265
 266 /*
 267  *  Caching system using ob php system to cache old style pages
 268  *  to a var and than send it with more calm
 269  */
 270
 271 function shutta()
 272 {
 273   log_rd2("SHUTTA [".connection_status()."] !");
 274 }
 275
 276 register_shutdown_function('shutta');
 277
 278 /*
 279  *  MAIN
 280  */
 281
 282 function get_encoding($header)
 283 {
 284     $enc = "plain";
 285     if (isset($header['Accept-Encoding'])) {
 286         $acc = explode(',', $header['Accept-Encoding']);
 287
 288         if (array_search('gzip', $acc) !== FALSE) {
 289             $enc = 'gzip';
 290         }
 291         else if (array_search('deflate', $acc) !== FALSE) {
 292             $enc = 'deflate';
 293         }
 294     }
 295
 296     return ($enc);
 297 }
 298
 299 class Cookie {
 300     var $attr;
 301     // Set-Cookie: reg_fb_gate=deleted; Expires=Thu, 01-Jan-1970 00:00:01 GMT; Path=/; Domain=.foo.com; HttpOnly
 302     // string $name  [, string $value  [, int $expire = 0  [, string $path  [, string $domain  [, bool $secure = false  [, bool $httponly = false  ]]]]]] )
 303     function Cookie()
 304     {
 305         $this->attr = array();
 306     }
 307
 308     static function create($name)
 309     {
 310         $thiz = new Cookie();
 311
 312         $thiz->attr[$name] = "";
 313
 314         $argc = func_num_args();
 315         for ($i = 1 ; $i < $argc ; $i++) {
 316             $arg = func_get_arg($i);
 317             switch ($i) {
 318             case 1:
 319                 $thiz->attr[$name] = urlencode($arg);
 320                 break;
 321             case 2:
 322                 $thiz->attr['Expires'] = gmdate('D, d M Y H:i:s \G\M\T', $arg); // RFC 1211 format
 323                 break;
 324             case 3:
 325                 $thiz->attr['Path'] = $arg;
 326                 break;
 327             case 4:
 328                 $thiz->attr['Domain'] = $arg;
 329                 break;
 330             case 5:
 331                 if ($arg == TRUE) {
 332                     $thiz->attr['Secure'] = NULL;
 333                 }
 334                 break;
 335             case 6:
 336                 if ($arg == TRUE) {
 337                     $thiz->attr['HttpOnly'] = NULL;
 338                 }
 339                 break;
 340             default:
 341                 return FALSE;
 342             }
 343         }
 344
 345         return $thiz;
 346     }
 347
 348     function render()
 349     {
 350         $r = "Set-Cookie: ";
 351         $isfirst = TRUE;
 352
 353         foreach ($this->attr as $k => $v) {
 354             if ($v == NULL) {
 355                 $r .= sprintf("%s%s", ($isfirst ? "" : "; "), $k);
 356             }
 357             else {
 358                 $r .= sprintf("%s%s=%s", ($isfirst ? "" : "; "), $k, $v);
 359             }
 360             $isfirst = FALSE;
 361         }
 362         $r .= "\r\n";
 363
 364         return $r;
 365     }
 366 }
 367
 368 class Cookies {
 369     var $cookies;
 370
 371     function Cookies()
 372     {
 373         $this->cookies = array();
 374     }
 375
 376     function add($name)
 377     {
 378         if (($cookie = call_user_func_array("Cookie::create", func_get_args())) == FALSE)
 379             return (FALSE);
 380
 381         array_push($this->cookies, $cookie);
 382
 383         return (TRUE);
 384     }
 385
 386     function render()
 387     {
 388         $r = "";
 389         foreach ($this->cookies as $cookie) {
 390             $r .= $cookie->render();
 391         }
 392
 393         return ($r);
 394     }
 395 }
 396
 397
 398 class Sac_a_push {
 399     // maybe fixed_fd is unuseful
 400     static $fixed_fd = 3;
 401     static $cnt_master = NULL;
 402     static $cnt_slave  = NULL;
 403
 404     var $file_socket;
 405     var $unix_socket;
 406     var $direct_socket;   // socket where read direct commands
 407     var $socks;
 408     var $s2u;             // user associated with input socket
 409     var $s2p;             // pending page associated with input socket
 410     var $pending_pages;
 411     var $is_daemon;
 412
 413     var $list_web;
 414     var $list_cmd;
 415     var $in;
 416
 417     var $debug;
 418     var $blocking_mode;
 419
 420     var $app;
 421
 422     var $curtime;
 423
 424     var $rndstr;
 425     var $main_loop;
 426
 427     function Sac_a_push()
 428     {
 429     }
 430
 431     function sig_handler($sig)
 432     {
 433         switch ($sig) {
 434         case SIGINT:
 435             exit(1);
 436             break;
 437         case SIGTERM:
 438             if (static::$cnt_master != NULL) {
 439                     fwrite(static::$cnt_master, "\nshutdown\n");
 440                     fflush(static::$cnt_master);
 441             }
 442             else {
 443                 exit(1);
 444             }
 445             break;
 446         case SIGHUP:
 447             if (static::$cnt_master != NULL) {
 448                 fwrite(static::$cnt_master, "\nreload\n");
 449                 fflush(static::$cnt_master);
 450             }
 451             break;
 452         }
 453     }
 454
 455     static function create(&$app, $sockname, $debug, $blocking_mode, $argv)
 456     {
 457         $thiz = new Sac_a_push();
 458
 459         $thiz->app = $app;
 460         $thiz->file_socket = $sockname;
 461         $thiz->unix_socket = "unix://$sockname";
 462         $thiz->direct_socket = "unix://${sockname}2";
 463         $thiz->debug = $debug;
 464         $thiz->socks = array();
 465         $thiz->s2u  = array();
 466         $thiz->s2p  = array();
 467         $thiz->pending_pages = array();
 468         $thiz->is_daemon = FALSE;
 469
 470         if (array_search("-d", $argv) !== FALSE || array_search("--daemon", $argv) !== FALSE) {
 471             $thiz->is_daemon = TRUE;
 472         }
 473
 474         // create a couple of sockets for control management
 475         if (($sockpair = stream_socket_pair(STREAM_PF_UNIX, STREAM_SOCK_STREAM,
 476                                             STREAM_IPPROTO_IP)) == FALSE) {
 477             return FALSE;
 478         }
 479         static::$cnt_master = $sockpair[0];
 480         static::$cnt_slave  = $sockpair[1];
 481
 482         pcntl_signal(SIGTERM, array("Sac_a_push", "sig_handler"));
 483         pcntl_signal(SIGINT, array("Sac_a_push", "sig_handler"));
 484         pcntl_signal(SIGHUP, array("Sac_a_push", "sig_handler"));
 485
 486         $thiz->blocking_mode = 0; // 0 for non-blocking
 487
 488         $thiz->rndstr = "";
 489         for ($i = 0 ; $i < 4096 ; $i++) {
 490             if (($i % 128) == 0)
 491                 $thiz->rndstr .= " ";
 492             else
 493                 $thiz->rndstr .= chr(mt_rand(65, 90));
 494         }
 495
 496         if (file_exists($thiz->file_socket)) {
 497             unlink($thiz->file_socket);
 498         }
 499         if (file_exists($thiz->file_socket."2")) {
 500             unlink($thiz->file_socket."2");
 501         }
 502
 503         $old_umask = umask(0);
 504         if (($thiz->list_web = stream_socket_server($thiz->unix_socket, $err, $errs)) === FALSE) {
 505             return (FALSE);
 506         }
 507         if (($thiz->list_cmd = stream_socket_server($thiz->direct_socket, $err, $errs)) === FALSE) {
 508             return (FALSE);
 509         }
 510         umask($old_umask);
 511         stream_set_blocking($thiz->list_web, $thiz->blocking_mode); # Set the stream to non-blocking
 512         stream_set_blocking($thiz->list_cmd, $thiz->blocking_mode); # Set the stream to non-blocking
 513
 514         if (($thiz->in = fopen("php://stdin", "r")) === FALSE) {
 515             return(FALSE);
 516         }
 517
 518         $thiz->main_loop = FALSE;
 519
 520         return ($thiz);
 521     }
 522
 523     function socks_set($sock, $user, $pendpage)
 524     {
 525         $id = intval($sock);
 526
 527         $this->socks[$id] = $sock;
 528         if ($user != NULL)
 529             $this->s2u[$id]   = $user;
 530         if ($pendpage != NULL)
 531             $this->s2p[$id]   = $pendpage;
 532     }
 533
 534     function socks_unset($sock)
 535     {
 536         $id = intval($sock);
 537
 538         if (isset($this->s2u[$id]))
 539             unset($this->s2u[$id]);
 540         if (isset($this->s2p[$id]))
 541             unset($this->s2p[$id]);
 542         unset($this->socks[$id]);
 543     }
 544
 545     function pendpage_try_addcont(&$new_socket, $tout, $method, $header, $get, $post, $cookie, $path, $addr, $rest, $cont)
 546     {
 547         $pendpage = PendingPage::pendingpage_continue(&$new_socket, $this->curtime, $tout, $method,
 548                                                            $header,           $get, $post, $cookie,
 549                                                              $path,          $addr, $rest, $cont);
 550
 551         $pendpage->try_flush($this->curtime);
 552         // Add $pendpage to the pendpage array (in any case)
 553         fprintf(STDERR, "IMPORTANT: Pendadd: %d\n", $pendpage->status);
 554         $this->pendpage_add($pendpage);
 555     }
 556
 557     function pendpage_try_addflush(&$new_socket, $tout, $enc, $header_out, $content)
 558     {
 559         $pendpage = PendingPage::pendingpage_flushing($new_socket, $this->curtime, $tout, $enc, $header_out, $content);
 560
 561         if ($pendpage->try_flush($this->curtime) == FALSE) {
 562             // Add $pendpage to the pendpage array
 563             $this->pendpage_add($pendpage);
 564         }
 565     }
 566
 567     function pendpage_add($pendpage)
 568     {
 569         array_push($this->pending_pages, $pendpage);
 570         $this->socks_set($pendpage->socket_get(), NULL, $pendpage);
 571     }
 572
 573     function pendpage_rem($pendpage)
 574     {
 575         $sock = $pendpage->socket_get();
 576         if (($key = array_search($pendpage, $this->pending_pages)) !== FALSE) {
 577             unset($this->pending_pages[$key]);
 578         }
 579         else {
 580             fprintf(STDERR, "WARNING: pendpage not found\n");
 581         }
 582         $this->socks_unset($sock);
 583         fprintf(STDERR, "PP_REM: %d\n", intval($sock));
 584     }
 585
 586
 587     function pendpage_try_addwait(&$new_socket, $tout, $method, $header, $get, $post, $cookie, $path, $addr, $rest, $cont)
 588     {
 589         $pendpage = PendingPage::pendingpage_waiting($new_socket, $this->curtime, $tout, $method, $header, $get, $post, $cookie, $path, $addr, $rest, $cont);
 590         /*
 591         if ($pendpage->try_flush($this->curtime) == FALSE) {
 592             // Add $pendpage to the pendpage array
 593             */
 594         $this->pendpage_add($pendpage);
 595         /*
 596         }
 597         */
 598     }
 599
 600     function garbage_manager($force)
 601     {
 602         $this->app->garbage_manager($force);
 603
 604         foreach ($this->socks as $k => $sock) {
 605             $id = intval($sock);
 606             if (isset($this->s2u[$id])) {
 607                 if ($this->s2u[$id]->sess == '') {
 608                     if ($this->s2u[$id]->rd_socket_get() != NULL) {
 609                         $this->s2u[$id]->rd_socket_set(NULL);
 610                     }
 611                     unset($this->socks[$id]);
 612                     unset($this->s2u[$id]);
 613                     fclose($sock);
 614                     printf("CLOSE ON GARBAGE MANAGER\n");
 615                 }
 616             }
 617         }
 618     }
 619
 620     function run()
 621     {
 622         GLOBAL $DOCUMENT_ROOT, $HTTP_HOST;
 623
 624         GLOBAL $G_alarm_passwd, $G_black_list, $G_btrace_pref_sub, $G_dbauth;
 625         GLOBAL $G_dbpfx, $G_donors_all, $G_donors_cur, $G_is_local, $G_lang;
 626         GLOBAL $G_poll_entries, $G_poll_name, $G_poll_title, $G_proxy_white_list;
 627         GLOBAL $G_room_roadmap, $G_shutdown, $G_sidebanner, $G_sidebanner2;
 628         GLOBAL $G_splash_content, $G_splash_contents, $G_splash_cont_idx;
 629         GLOBAL $G_splash_h, $G_splash_idx, $G_splash_interval, $G_splash_timeout;
 630         GLOBAL $G_splash_w, $G_topbanner, $G_with_donors, $G_with_poll;
 631         GLOBAL $G_with_sidebanner, $G_with_sidebanner2, $G_with_splash;
 632         GLOBAL $G_with_topbanner;
 633         GLOBAL $G_tos_vers, $G_tos_fname, $G_tos_dtsoft, $G_tos_dthard, $G_tos_idx, $G_doc_path;
 634
 635         if ($this->main_loop) {
 636             return (FALSE);
 637         }
 638
 639         $this->main_loop = TRUE;
 640
 641         while ($this->main_loop) {
 642             $this->app->sess_cur_set(FALSE);
 643             $this->curtime = time();
 644             fprintf(STDERR, "IN LOOP: Current opened: %d  pending_pages: %d\n", count($this->socks), count($this->pending_pages));
 645
 646             /* Prepare the read array */
 647             /* // when we manage it ... */
 648             /* if ($shutdown)  */
 649             /*     $read   = array_merge(array("$in" => $in), $socks); */
 650             /* else */
 651             $pre_read = array_merge(array(intval($this->list_web) => $this->list_web,
 652                                           intval($this->list_cmd) => $this->list_cmd,
 653                                           intval(static::$cnt_slave) => static::$cnt_slave),
 654                                     $this->socks);
 655             if ($this->is_daemon == FALSE) {
 656                 $read = array_merge($pre_read, array(intval($this->in) => $this->in));
 657             }
 658             else {
 659                 $read = $pre_read;
 660             }
 661
 662             if ($this->debug > 1) {
 663                 printf("PRE_SELECT\n");
 664                 print_r($read);
 665             }
 666             $write  = NULL;
 667             $except = NULL;
 668             $num_changed_sockets = @stream_select($read, $write, $except, 0, 500000);
 669
 670             if ($num_changed_sockets == 0) {
 671                 printf(" no data in 5 secs, splash [%d]\n", $G_with_splash);
 672             }
 673             else if ($num_changed_sockets > 0) {
 674                 printf("num sock %d num_of_socket: %d\n", $num_changed_sockets, count($read));
 675                 if ($this->debug > 1) {
 676                     print_r($read);
 677                 }
 678                 /* At least at one of the sockets something interesting happened */
 679                 foreach ($read as $i => $sock) {
 680                     $id = intval($sock);
 681                     $manage_page = FALSE;
 682                     /* is_resource check is required because there is the possibility that
 683                        during new request an old connection is closed */
 684                     if (!is_resource($sock)) {
 685                         continue;
 686                     }
 687                     if ($sock === $this->list_web) {
 688                         printf("NUOVA CONNEX\n");
 689                         if (($new_unix = stream_socket_accept($this->list_web)) == FALSE) {
 690                             printf("SOCKET_ACCEPT FAILED\n");
 691                             continue;
 692                         }
 693                         $stream_info = "";
 694                         $method      = "";
 695                         $get         = array();
 696                         $post        = array();
 697                         $cookie      = array();
 698                         $rest        = 0;
 699                         $cont        = "";
 700                         if (($new_socket = ancillary_getstream($new_unix, $stream_info)) !== FALSE) {
 701                             printf("NEW_SOCKET: %d\n", intval($new_socket));
 702                             stream_set_blocking($new_socket, $this->blocking_mode); // Set the stream to non-blocking
 703                             printf("RECEIVED HEADER:\n%s", $stream_info);
 704                             if (($path = spu_process_info($stream_info, $method, $header,
 705                                                           $get, $post, $cookie, $rest, $cont))
 706                                 == FALSE) {
 707                                 fprintf(STDERR, "TODO: fix wrong header management\n");
 708                             }
 709                             $addr = stream_socket_get_name($new_socket, TRUE);
 710                             printf("PATH: [%s]\n", $path);
 711                             if ($method == "POST" && $rest > 0) {
 712                                 if (isset($header['Expect']) && $header['Expect'] == '100-continue') {
 713                                     fprintf(STDERR, "\nPOSTA DE CHE\n\n");
 714                                     $this->pendpage_try_addcont($new_socket, 20,
 715                                                                 $method, $header, $get, $post, $cookie,
 716                                                                 $path, $addr, $rest, $cont);
 717                                 }
 718                                 else {
 719                                     $this->pendpage_try_addwait($new_socket, 20,
 720                                                                 $method, $header, $get, $post, $cookie,
 721                                                                 $path, $addr, $rest, $cont);
 722                                 }
 723                             }
 724                             else {
 725                                 $manage_page = TRUE;
 726                             }
 727
 728                             printf("number of sockets after %d\n", count($this->socks));
 729                         }
 730                         else {
 731                             printf("WARNING: ancillary_getstream failed\n");
 732                         }
 733                     }
 734                     else if ($sock === $this->list_cmd) {
 735                         printf("NUOVA DIRECT CONNEX\n");
 736                         if (($new_unix = stream_socket_accept($this->list_cmd)) == FALSE) {
 737                             printf("SOCKET_ACCEPT FAILED\n");
 738                             continue;
 739                         }
 740                         stream_set_blocking($new_unix, $this->blocking_mode);
 741                         $this->direct_mgmt($new_unix);
 742                     } // not socket_list nor socket_list_cmd
 743                     else {  // already opened socket
 744                         $buf = fread($sock, 4096);
 745                         // if socket is closed
 746                         if ($buf == FALSE || feof($sock)) {
 747                             // close socket case
 748                             if ($buf == FALSE) {
 749                                 printf("INFO: read return false\n");
 750                             }
 751                             if ($sock === $this->list_web) {
 752                                 printf("Arrivati %d bytes da list\n", mb_strlen($buf, "ASCII"));
 753                                 return(21);
 754                             }
 755                             else if ($sock === $this->list_cmd) {
 756                                 printf("Arrivati %d bytes da list_cmd\n", mb_strlen($buf, "ASCII"));
 757                                 return(23);
 758                             }
 759                             else if ($sock === $this->in || $sock === static::$cnt_slave) {
 760                                 printf("Arrivati %d bytes da stdin\n", mb_strlen($buf, "ASCII"));
 761                                 return(22);
 762                             }
 763                             else {
 764                                 unset($this->socks[$id]);
 765                                 if (isset($this->s2u[$id])) {
 766                                     // $user_a[$s2u[$id]]->disable();
 767                                     if ($this->s2u[$id]->rd_socket_get() != NULL) {
 768                                         // try to send close frame (for websocket)
 769                                         $clo = $this->s2u[$id]->stream_close();
 770                                         $clo_l = mb_strlen($clo, "ASCII");
 771                                         @fwrite($sock, $clo, $clo_l);
 772                                         $this->s2u[$id]->rd_socket_set(NULL);
 773                                     }
 774                                     unset($this->s2u[$id]);
 775                                 }
 776                             }
 777                             fclose($sock);
 778                             printf("CLOSE ON READ\n");
 779
 780                             if ($this->debug > 1) {
 781                                 printf("post unset\n");
 782                                 print_r($this->socks);
 783                             }
 784                         }  // if ($buf == FALSE || mb_strlen($buf, "ASCII") == 0) {
 785                         else { // data on the socket
 786                             if ($this->debug > 1) {
 787                                 print_r($read);
 788                             }
 789                             if ($sock === $this->list_web) {
 790                                 printf("Arrivati %d bytes da list\n", mb_strlen($buf, "ASCII"));
 791                             }
 792                             else if ($sock === $this->list_cmd) {
 793                                 printf("Arrivati %d bytes da list_cmd\n", mb_strlen($buf, "ASCII"));
 794                             }
 795                             else if ($sock === $this->in || $sock === static::$cnt_slave) {
 796                                 printf("Arrivati %d bytes da stdin\n", mb_strlen($buf, "ASCII"));
 797                                 $line = trim($buf);
 798                                 if ($line == "reload") {
 799                                     require("$DOCUMENT_ROOT/Etc/".BRISK_CONF);
 800
 801                                     global_dump();
 802                                 }
 803                                 else if ($line == "shutdown" || $line == "sd") {
 804                                     if ($this->app->dump_data()) {
 805                                         return(0);
 806                                     }
 807                                     else {
 808                                         return(1);
 809                                     }
 810                                 }
 811                             }
 812                             else {  // data arrived from not special socket
 813                                 $key = array_search("$sock", $this->socks);
 814                                 fprintf(STDERR, "Arrivati %d bytes dalla socket n. %d\n", mb_strlen($buf, "ASCII"), $key);
 815                                 if (isset($this->s2p[$id])) {
 816                                     $this->s2p[$id]->rest -= mb_strlen($buf, "ASCII");
 817                                     $this->s2p[$id]->cont .= $buf;
 818                                     if ($this->s2p[$id]->rest <= 0) {
 819                                         $header = $new_socket = $path = $addr = $get = $cookie = 0;
 820                                         $post = array();
 821
 822                                         $this->s2p[$id]->context_get($header, $new_socket, $path, $addr, $get, $post, $cookie);
 823                                         $this->pendpage_rem($this->s2p[$id]);
 824                                         fprintf(STDERR, "SOCKET RUN: %s\n", $new_socket);
 825
 826                                         $manage_page = TRUE;
 827                                     }
 828                                 }
 829                             }
 830                         }
 831                     }
 832
 833                     if ($manage_page == TRUE) {
 834                         printf("M: %s\nHEADER:\n", $method);
 835                         print_r($header);
 836                         printf("GET:\n");
 837                         print_r($get);
 838                         printf("POST:\n");
 839                         print_r($post);
 840                         printf("COOKIE:\n");
 841                         print_r($cookie);
 842
 843                         $header_out = array();
 844                         // TODO: MOVE DOWN request_mgr to factorize new_sockets and POST closed
 845                         $rret = FALSE;
 846                         if (!strncmp($path, SITE_PREFIX, SITE_PREFIX_LEN)) {
 847                             $rret = $this->app->request_mgr($this, $header, $header_out, $new_socket, substr($path, SITE_PREFIX_LEN), $addr, $get, $post, $cookie);
 848                         }
 849                         if ($rret == FALSE) {
 850                             // FIXME: manage 404 !!!
 851                             printf("TODO: fix unknown page\n");
 852                         }
 853                     }
 854                 }
 855             }
 856
 857             $this->garbage_manager(FALSE);
 858
 859             /* manage unfinished pages */
 860             foreach ($this->pending_pages as $k => $pendpage) {
 861                 // TODO: try_flush if exists in the class
 862                 if ($pendpage->try_flush($this->curtime) == TRUE) {
 863                     unset($this->pending_pages[$k]);
 864                 }
 865             }
 866
 867             /*
 868                $response:                        raw stream data not sent
 869                $content:                         html consistent data (<script bla bla>)
 870                $user->stream_keepalive($w_ping)  ping srv->cli OR srv->cli + cli->srv if $w_ping == TRUE
 871             */
 872
 873             /* manage open streaming */
 874             foreach ($this->socks as $k => $sock) {
 875                 $id = intval($sock);
 876                 if (isset($this->s2u[$id])) {
 877                     $user = $this->s2u[$id];
 878                     $response = $user->rd_cache_get();
 879                     $do_ping = FALSE;
 880                     if (($this->curtime - $user->lacc) > (EXPIRE_TIME_RD / 3)) {
 881                         $do_ping = TRUE;
 882                     }
 883                     else {
 884                         $user->ping_req = FALSE;
 885                     }
 886
 887                     if ($response == "") {
 888                         $content = "";
 889                         $user->stream_main($content, $get, $post, $cookie);
 890                         printf("[%s] [%d] [%d]\n", $user->name, $user->lacc, $this->curtime);
 891                         if ($do_ping && $user->ping_req == FALSE) {
 892                             $content .= $user->stream_keepalive(TRUE);
 893                             $user->ping_req = TRUE;
 894                         }
 895                         else if ($content == "" && $user->rd_kalive_is_expired($this->curtime)) {
 896                             $content = $user->stream_keepalive(FALSE);
 897                         }
 898                         if ($content != "") {
 899                             $response = $user->chunked_content($content);
 900                         }
 901                     }
 902
 903                     if ($response != "") {
 904                         // echo "SPIA: [".substr($response, 0, 60)."...]\n";
 905                         // echo "SPIA: [".$response."]\n";
 906                         $response_l = mb_strlen($response, "ASCII");
 907                         $wret = @fwrite($sock, $response, $response_l);
 908                         if ($wret < $response_l) {
 909                             printf("TROUBLE WITH FWRITE: %d\n", $wret);
 910                             $user->rd_cache_set(mb_substr($response, $wret, $response_l - $wret, "ASCII"));
 911                         }
 912                         else {
 913                             $user->rd_cache_set("");
 914                         }
 915                         fflush($sock);
 916                         $user->rd_kalive_reset($this->curtime);
 917                     }
 918
 919                     // close socket after a while to prevent client memory consumption
 920                     if ($user->rd_endtime_is_expired($this->curtime)) {
 921                         if ($this->s2u[$id]->rd_socket_get() != NULL) {
 922                             $this->s2u[$id]->rd_socket_set(NULL);
 923                         }
 924                         unset($this->socks[$id]);
 925                         unset($this->s2u[$id]);
 926                         $clo = $user->stream_close();
 927                         $clo_l = mb_strlen($clo, "ASCII");
 928                         @fwrite($sock, $clo, $clo_l);
 929                         fclose($sock);
 930                         printf("CLOSE ON LOOP\n");
 931                     }
 932                 }  // if (isset($this->s2u[$id]...
 933             }  // foreach ($this->socks...
 934             printf("\n");
 935         }  // while (...
 936     }  // function run(...
 937
 938     function direct_command($cmdstr)
 939     {
 940         $cmd = cmd_deserialize($cmdstr);
 941
 942         if (!isset($cmd['cmd'])) {
 943             return cmd_return(500, 'no cmd found');
 944         }
 945         // "cmd" => "userauth", "login" => 'mop', 'private' => 'it_must_be_correct',
 946         //           'the_end' => 'true' );
 947         if ($cmd['cmd'] == 'userauth') {
 948             if (!isset($cmd['login']) || !isset($cmd['private'])) {
 949                 return cmd_return(503, 'malformed cmd');
 950             }
 951             return cmd_return(200, 'success');
 952         }
 953
 954         return cmd_return(501, 'no cmd found');
 955     }
 956
 957     function direct_mgmt($socket)
 958     {
 959         printf("DIRECT: begin\n");
 960         $st = DIRECT_ST_READ;
 961         $cmd_all = "";
 962         $endtime = $this->curtime + 3;
 963
 964         while(time() <= $endtime) {
 965             printf("DIRECT: init loop %d\n", $st);
 966             if ($st == DIRECT_ST_READ) {
 967                 $buf = fread($socket, 4096);
 968                 if ($buf == FALSE && feof($socket)) {
 969                     break;
 970                 }
 971                 else if ($buf != FALSE && strlen($buf) > 0) {
 972                     $cmd_all .= $buf;
 973
 974                     if (substr(trim($cmd_all), -13) == "&the_end=true") {
 975                         $output_arr = $this->direct_command($cmd_all);
 976                         $output = cmd_serialize($output_arr);
 977                         $output_cur = 0;
 978                         $output_len = mb_strlen($output, "ASCII");
 979                         $st = DIRECT_ST_WRITE;
 980                         continue;
 981                     }
 982                 }
 983             }
 984             else if ($st == DIRECT_ST_WRITE)  {
 985                 $ret = fwrite($socket, $output, $output_len);
 986                 if ($ret === FALSE) {
 987                     if (feof($socket)) {
 988                         break;
 989                     }
 990                 }
 991                 else if ($ret > 0 && $ret < $output_len) {
 992                     $output = substr($output, -($output_len - $ret));
 993                     $output_len -= $ret;
 994                     continue;
 995                 }
 996                 else if ($ret == $output_len) {
 997                     fclose($socket);
 998                     return TRUE;
 999                 }
1000             }
1001             usleep(10000);
1002         }
1003
1004         fclose($socket);
1005         return FALSE;
1006     }
1007 } // class Sac_a_push
1008 ?>