backend.php

   1 <?php
   2         error_reporting(E_ERROR | E_WARNING | E_PARSE);
   3
   4         /* remove ill effects of magic quotes */
   5
   6         if (get_magic_quotes_gpc()) {
   7                 $_REQUEST = array_map('stripslashes', $_REQUEST);
   8                 $_POST = array_map('stripslashes', $_POST);
   9 //              $_REQUEST = array_map('stripslashes', $_REQUEST);
  10                 $_COOKIE = array_map('stripslashes', $_COOKIE);
  11         }
  12
  13         require_once "sessions.php";
  14         require_once "modules/backend-rpc.php";
  15
  16 /*      if ($_REQUEST["debug"]) {
  17                 define('DEFAULT_ERROR_LEVEL', E_ALL);
  18         } else {
  19                 define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
  20         }
  21
  22         error_reporting(DEFAULT_ERROR_LEVEL); */
  23
  24         require_once "sanity_check.php";
  25         require_once "config.php";
  26
  27         require_once "db.php";
  28         require_once "db-prefs.php";
  29         require_once "functions.php";
  30
  31         no_cache_incantation();
  32
  33         if (ENABLE_TRANSLATIONS == true) {
  34                 startup_gettext();
  35         }
  36
  37         $script_started = getmicrotime();
  38
  39         $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  40
  41         if (!$link) {
  42                 if (DB_TYPE == "mysql") {
  43                         print mysql_error();
  44                 }
  45                 // PG seems to display its own errors just fine by default.
  46                 return;
  47         }
  48
  49         init_connection($link);
  50
  51         $op = $_REQUEST["op"];
  52         $subop = $_REQUEST["subop"];
  53         $mode = $_REQUEST["mode"];
  54
  55         $print_exec_time = false;
  56
  57         if ((!$op || $op == "rpc" || $op == "rss" ||
  58                         ($op == "view" && $mode != "zoom") ||
  59                         $op == "digestSend" || $op == "viewfeed" || $op == "publish" ||
  60                         $op == "globalUpdateFeeds") && !$_REQUEST["noxml"]) {
  61                                 header("Content-Type: application/xml; charset=utf-8");
  62
  63                                 if (ENABLE_GZIP_OUTPUT) {
  64                                         ob_start("ob_gzhandler");
  65                                 }
  66
  67                 } else {
  68                 if (!$_REQUEST["noxml"]) {
  69                         header("Content-Type: text/html; charset=utf-8");
  70                 } else {
  71                         header("Content-Type: text/plain; charset=utf-8");
  72                 }
  73         }
  74
  75         if (!$op) {
  76                 header("Content-Type: application/xml");
  77                 print_error_xml(7); exit;
  78         }
  79
  80         if (SINGLE_USER_MODE) {
  81                 authenticate_user($link, "admin", null);
  82         }
  83
  84         if (!($_SESSION["uid"] && validate_session($link)) && $op != "globalUpdateFeeds"
  85                 && $op != "rss" && $op != "getUnread" && $op != "publish" && $op != "getProfiles") {
  86
  87                 if ($op == "rpc" || $op == "viewfeed" || $op == "view") {
  88                         print_error_xml(6); die;
  89                 } else {
  90                         print "
  91                         <html><body>
  92                                 <p>Error: Not logged in.</p>
  93                                 <script type=\"text/javascript\">
  94                                         if (parent.window != 'undefined') {
  95                                                 parent.window.location = \"tt-rss.php\";
  96                                         } else {
  97                                                 window.location = \"tt-rss.php\";
  98                                         }
  99                                 </script>
 100                         </body></html>
 101                         ";
 102                 }
 103                 exit;
 104         }
 105
 106         $purge_intervals = array(
 107                 0  => __("Use default"),
 108                 -1 => __("Never purge"),
 109                 5  => __("1 week old"),
 110                 14 => __("2 weeks old"),
 111                 31 => __("1 month old"),
 112                 60 => __("2 months old"),
 113                 90 => __("3 months old"));
 114
 115         $update_intervals = array(
 116                 0   => __("Default interval"),
 117                 -1  => __("Disable updates"),
 118                 15  => __("Each 15 minutes"),
 119                 30  => __("Each 30 minutes"),
 120                 60  => __("Hourly"),
 121                 240 => __("Each 4 hours"),
 122                 720 => __("Each 12 hours"),
 123                 1440 => __("Daily"),
 124                 10080 => __("Weekly"));
 125
 126         $update_intervals_nodefault = array(
 127                 -1  => __("Disable updates"),
 128                 15  => __("Each 15 minutes"),
 129                 30  => __("Each 30 minutes"),
 130                 60  => __("Hourly"),
 131                 240 => __("Each 4 hours"),
 132                 720 => __("Each 12 hours"),
 133                 1440 => __("Daily"),
 134                 10080 => __("Weekly"));
 135
 136         $update_methods = array(
 137                 0   => __("Default"),
 138                 1   => __("Magpie"),
 139                 2   => __("SimplePie"));
 140
 141         if (ENABLE_SIMPLEPIE) {
 142                 $update_methods[0] .= ' (SimplePie)';
 143         } else {
 144                 $update_methods[0] .= ' (Magpie)';
 145         }
 146
 147         $access_level_names = array(
 148                 0 => __("User"),
 149                 5 => __("Power User"),
 150                 10 => __("Administrator"));
 151
 152         require_once "modules/pref-prefs.php";
 153         require_once "modules/popup-dialog.php";
 154         require_once "modules/help.php";
 155         require_once "modules/pref-feeds.php";
 156         require_once "modules/pref-filters.php";
 157         require_once "modules/pref-labels.php";
 158         require_once "modules/pref-users.php";
 159
 160         if (!sanity_check($link)) { return; }
 161
 162         switch($op) { // Select action according to $op value.
 163                 case "rpc":
 164                         // Handle remote procedure calls.
 165                         handle_rpc_request($link);
 166                 break; // rpc
 167
 168                 case "feeds":
 169                         if (ENABLE_GZIP_OUTPUT) {
 170                                 ob_start("ob_gzhandler");
 171                         }
 172
 173                         $tags = $_REQUEST["tags"];
 174
 175                         $subop = $_REQUEST["subop"];
 176
 177                         switch($subop) {
 178                                 case "catchupAll":
 179                                         db_query($link, "UPDATE ttrss_user_entries SET
 180                                                 last_read = NOW(),unread = false WHERE owner_uid = " . $_SESSION["uid"]);
 181                                         ccache_zero_all($link, $_SESSION["uid"]);
 182
 183                                 break;
 184
 185                                 case "collapse":
 186                                         $cat_id = db_escape_string($_REQUEST["cid"]);
 187                                         toggle_collapse_cat($link, $cat_id);
 188                                         return;
 189                                 break;
 190
 191                                 case "catsortreset":
 192                                         db_query($link, "UPDATE ttrss_feed_categories
 193                                                         SET order_id = 0 WHERE owner_uid = " . $_SESSION["uid"]);
 194                                         return;
 195                                 break;
 196
 197                                 case "catsort":
 198                                         $corder = db_escape_string($_REQUEST["corder"]);
 199
 200                                         $cats = split(",", $corder);
 201
 202                                         for ($i = 0; $i < count($cats); $i++) {
 203                                                 $cat_id = $cats[$i];
 204
 205                                                 if ($cat_id > 0) {
 206                                                         db_query($link, "UPDATE ttrss_feed_categories
 207                                                                 SET order_id = '$i' WHERE id = '$cat_id' AND
 208                                                                 owner_uid = " . $_SESSION["uid"]);
 209                                                 }
 210                                         }
 211
 212                                         return;
 213                                 break;
 214
 215                         }
 216
 217                         $_SESSION["viewfeed:counters_stamp"] = time();
 218
 219                         outputFeedList($link, $tags);
 220                 break; // feeds
 221
 222                 case "view":
 223
 224                         $id = db_escape_string($_REQUEST["id"]);
 225                         $cids = split(",", db_escape_string($_REQUEST["cids"]));
 226                         $mode = db_escape_string($_REQUEST["mode"]);
 227                         $omode = db_escape_string($_REQUEST["omode"]);
 228
 229                         $csync = $_REQUEST["csync"];
 230
 231                         print "<reply>";
 232
 233                         // in prefetch mode we only output requested cids, main article
 234                         // just gets marked as read (it already exists in client cache)
 235
 236                         if ($mode == "") {
 237                                 outputArticleXML($link, $id, false);
 238                         } else if ($mode == "zoom") {
 239                                 outputArticleXML($link, $id, false, true, true);
 240                         } else {
 241                                 catchupArticleById($link, $id, 0);
 242                         }
 243
 244                         if (!$_SESSION["bw_limit"]) {
 245                                 foreach ($cids as $cid) {
 246                                         if ($cid) {
 247                                                 outputArticleXML($link, $cid, false, false);
 248                                         }
 249                                 }
 250                         }
 251
 252 //                      if (get_pref($link, "SYNC_COUNTERS") || ($mode == "prefetch" && $csync)) {
 253
 254                         if (time() - $_SESSION["view:counters_stamp"] > 5 && $mode == "prefetch") {
 255                                 print "<counters>";
 256                                 getAllCounters($link, $omode);
 257                                 print "</counters>";
 258                                 $_SESSION["view:counters_stamp"] = time();
 259                         }
 260
 261                         print "</reply>";
 262                 break; // view
 263
 264                 case "viewfeed":
 265
 266                         $print_exec_time = true;
 267                         $timing_info = getmicrotime();
 268
 269                         print "<reply>";
 270
 271                         if ($_REQUEST["debug"]) $timing_info = print_checkpoint("0", $timing_info);
 272
 273                         $omode = db_escape_string($_REQUEST["omode"]);
 274
 275                         $feed = db_escape_string($_REQUEST["feed"]);
 276                         $subop = db_escape_string($_REQUEST["subop"]);
 277                         $view_mode = db_escape_string($_REQUEST["view_mode"]);
 278                         $limit = (int) get_pref($link, "DEFAULT_ARTICLE_LIMIT");
 279                         $cat_view = db_escape_string($_REQUEST["cat"]);
 280                         $next_unread_feed = db_escape_string($_REQUEST["nuf"]);
 281                         $offset = db_escape_string($_REQUEST["skip"]);
 282                         $vgroup_last_feed = db_escape_string($_REQUEST["vgrlf"]);
 283                         $csync = $_REQUEST["csync"];
 284                         $order_by = db_escape_string($_REQUEST["order_by"]);
 285
 286                         /* Updating a label ccache means recalculating all of the caches
 287                          * so for performance reasons we don't do that here */
 288
 289 //                      if (time() - $_SESSION["viewfeed:ccache_update_stamp"] > 120) {
 290                                 if ($feed >= 0) {
 291                                         ccache_update($link, $feed, $_SESSION["uid"], $cat_view);
 292                                 }
 293                                 $_SESSION["viewfeed:ccache_update_stamp"] = time();
 294 //                      }
 295
 296                         set_pref($link, "_DEFAULT_VIEW_MODE", $view_mode);
 297                         set_pref($link, "_DEFAULT_VIEW_LIMIT", $limit);
 298                         set_pref($link, "_DEFAULT_VIEW_ORDER_BY", $order_by);
 299
 300                         if (!$cat_view && preg_match("/^[0-9][0-9]*$/", $feed)) {
 301                                 db_query($link, "UPDATE ttrss_feeds SET last_viewed = NOW()
 302                                         WHERE id = '$feed' AND owner_uid = ".$_SESSION["uid"]);
 303                         }
 304
 305                         if (!$next_unread_feed) {
 306                                 print "<headlines id=\"$feed\" is_cat=\"$cat_view\"><![CDATA[";
 307                         } else {
 308                                 print "<headlines id=\"$next_unread_feed\" is_cat=\"$cat_view\"><![CDATA[";
 309                         }
 310
 311                         $override_order = false;
 312
 313                         switch ($order_by) {
 314                                 case "date":
 315                                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
 316                                                 $override_order = "updated";
 317                                         } else {
 318                                                 $override_order = "updated DESC";
 319                                         }
 320                                         break;
 321
 322                                 case "title":
 323                                         $override_order = "updated DESC";
 324                                         break;
 325
 326                                 case "score":
 327                                         $override_order = "score DESC";
 328                                         break;
 329                         }
 330
 331                         $ret = outputHeadlinesList($link, $feed, $subop,
 332                                 $view_mode, $limit, $cat_view, $next_unread_feed, $offset,
 333                                 $vgroup_last_feed, $override_order);
 334
 335                         $topmost_article_ids = $ret[0];
 336                         $headlines_count = $ret[1];
 337                         $returned_feed = $ret[2];
 338                         $disable_cache = $ret[3];
 339                         $vgroup_last_feed = $ret[4];
 340
 341                         print "]]></headlines>";
 342
 343                         print "<headlines-count value=\"$headlines_count\"/>";
 344                         print "<vgroup-last-feed value=\"$vgroup_last_feed\"/>";
 345
 346                         $headlines_unread = ccache_find($link, $returned_feed, $_SESSION["uid"],
 347                                         $cat_view, true);
 348
 349                         if ($headlines_unread == -1) {
 350                                 $headlines_unread = getFeedUnread($link, $returned_feed, $cat_view);
 351
 352                         }
 353
 354                         print "<headlines-unread value=\"$headlines_unread\"/>";
 355                         printf("<disable-cache value=\"%d\"/>", $disable_cache);
 356
 357                         if ($_REQUEST["debug"]) $timing_info = print_checkpoint("10", $timing_info);
 358
 359                         if (is_array($topmost_article_ids) && !get_pref($link, 'COMBINED_DISPLAY_MODE') && !$_SESSION["bw_limit"]) {
 360                                 print "<articles>";
 361                                 foreach ($topmost_article_ids as $id) {
 362                                         outputArticleXML($link, $id, $feed, false);
 363                                 }
 364                                 print "</articles>";
 365                         }
 366
 367                         if ($_REQUEST["debug"]) $timing_info = print_checkpoint("20", $timing_info);
 368
 369
 370 //                      if (get_pref($link, "SYNC_COUNTERS") ||
 371 //                                      time() - $_SESSION["get_all_counters_stamp"] > $viewfeed_ctr_interval) {
 372 //                              print "<counters>";
 373 //                              getAllCounters($link, $omode, $feed);
 374 //                              print "</counters>";
 375 //                      }
 376
 377                         if (get_pref($link, 'COMBINED_DISPLAY_MODE') || $subop ||
 378                                 time() - $_SESSION["viewfeed:counters_stamp"] > 5) {
 379                                 if (!$offset) {
 380                                         print "<counters>";
 381                                         getAllCounters($link, $omode, $feed);
 382                                         print "</counters>";
 383                                         $_SESSION["viewfeed:counters_stamp"] = time();
 384                                 }
 385                         }
 386
 387                         if ($_REQUEST["debug"]) $timing_info = print_checkpoint("30", $timing_info);
 388
 389                         print_runtime_info($link);
 390
 391                         print "</reply>";
 392                 break; // viewfeed
 393
 394                 case "pref-feeds":
 395                         module_pref_feeds($link);
 396                 break; // pref-feeds
 397
 398                 case "pref-filters":
 399                         module_pref_filters($link);
 400                 break; // pref-filters
 401
 402                 case "pref-labels":
 403                         module_pref_labels($link);
 404                 break; // pref-labels
 405
 406                 case "pref-prefs":
 407                         module_pref_prefs($link);
 408                 break; // pref-prefs
 409
 410                 case "pref-users":
 411                         module_pref_users($link);
 412                 break; // prefs-users
 413
 414                 case "help":
 415                         module_help($link);
 416                 break; // help
 417
 418                 case "dlg":
 419                         module_popup_dialog($link);
 420                 break; // dlg
 421
 422                 case "pref-pub-items":
 423                         module_pref_pub_items($link);
 424                 break; // pref-pub-items
 425
 426                 case "globalUpdateFeeds":
 427                         // update feeds of all users, may be used anonymously
 428
 429                         print "<!--";
 430                         // Update all feeds needing a update.
 431                         update_daemon_common($link, 0, true, true);
 432                         print " -->";
 433
 434                         print "<rpc-reply>
 435                                 <message msg=\"All feeds updated\"/>
 436                         </rpc-reply>";
 437                 break; // globalUpdateFeeds
 438
 439                 case "pref-feed-browser":
 440                         module_pref_feed_browser($link);
 441                 break; // pref-feed-browser
 442
 443                 case "publish":
 444                         $key = db_escape_string($_REQUEST["key"]);
 445                         $limit = (int)db_escape_string($_REQUEST["limit"]);
 446
 447                         $result = db_query($link, "SELECT login, owner_uid
 448                                 FROM ttrss_user_prefs, ttrss_users WHERE
 449                                 pref_name = '_PREFS_PUBLISH_KEY' AND
 450                                 value = '$key' AND
 451                                 ttrss_users.id = owner_uid");
 452
 453                         if (db_num_rows($result) == 1) {
 454                                 $owner = db_fetch_result($result, 0, "owner_uid");
 455                                 $login = db_fetch_result($result, 0, "login");
 456
 457                                 generate_syndicated_feed($link, $owner, -2, false, $limit);
 458
 459                         } else {
 460                                 print "<error>User not found</error>";
 461                         }
 462                 break; // publish
 463
 464                 case "rss":
 465                         $feed = db_escape_string($_REQUEST["id"]);
 466                         $user = db_escape_string($_REQUEST["user"]);
 467                         $pass = db_escape_string($_REQUEST["pass"]);
 468                         $is_cat = $_REQUEST["is_cat"] != false;
 469                         $limit = (int)db_escape_string($_REQUEST["limit"]);
 470
 471                         $search = db_escape_string($_REQUEST["q"]);
 472                         $match_on = db_escape_string($_REQUEST["m"]);
 473                         $search_mode = db_escape_string($_REQUEST["smode"]);
 474
 475                         if (SINGLE_USER_MODE) {
 476                                 authenticate_user($link, "admin", null);
 477                         }
 478
 479                         if (!$_SESSION["uid"] && $user && $pass) {
 480                                 authenticate_user($link, $user, $pass);
 481                         }
 482
 483                         if ($_SESSION["uid"] ||
 484                                 http_authenticate_user($link)) {
 485
 486                                         generate_syndicated_feed($link, 0, $feed, $is_cat, $limit,
 487                                                 $search, $search_mode, $match_on);
 488                         }
 489                 break; // rss
 490
 491                 case "getUnread":
 492                         $login = db_escape_string($_REQUEST["login"]);
 493
 494                         header("Content-Type: text/plain; charset=utf-8");
 495
 496                         $result = db_query($link, "SELECT id FROM ttrss_users WHERE login = '$login'");
 497
 498                         if (db_num_rows($result) == 1) {
 499                                 $uid = db_fetch_result($result, 0, "id");
 500                                 print getGlobalUnread($link, $uid);
 501                         } else {
 502                                 print "-1;User not found";
 503                         }
 504
 505                         $print_exec_time = false;
 506                 break; // getUnread
 507
 508                 case "digestTest":
 509                         header("Content-Type: text/plain");
 510                         print_r(prepare_headlines_digest($link, $_SESSION["uid"]));
 511                         $print_exec_time = false;
 512                 break; // digestTest
 513
 514                 case "digestSend":
 515                         header("Content-Type: text/plain");
 516                         send_headlines_digests($link);
 517                         $print_exec_time = false;
 518                 break; // digestSend
 519
 520                 case "getProfiles":
 521                         $login = db_escape_string($_REQUEST["login"]);
 522                         $password = db_escape_string($_REQUEST["password"]);
 523
 524                         if (authenticate_user($link, $login, $password)) {
 525                                 $result = db_query($link, "SELECT * FROM ttrss_settings_profiles
 526                                         WHERE owner_uid = " . $_SESSION["uid"] . " ORDER BY title");
 527
 528                                 print "<select style='width: 100%' name='profile'>";
 529
 530                                 print "<option value='0'>" . __("Default profile") . "</option>";
 531
 532                                 while ($line = db_fetch_assoc($result)) {
 533                                         $id = $line["id"];
 534                                         $title = $line["title"];
 535
 536                                         print "<option value='$id'>$title</option>";
 537                                 }
 538
 539                                 print "</select>";
 540
 541                                 $_SESSION = array();
 542                         }
 543                 break;
 544
 545         } // Select action according to $op value.
 546
 547         // We close the connection to database.
 548         db_close($link);
 549 ?>
 550
 551 <?php if ($print_exec_time) { ?>
 552 <!-- <?php echo sprintf("Backend execution time: %.4f seconds", getmicrotime() - $script_started) ?> -->
 553 <?php } ?>