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                 $_GET = array_map('stripslashes', $_GET);
   8                 $_POST = array_map('stripslashes', $_POST);
   9                 $_REQUEST = array_map('stripslashes', $_REQUEST);
  10                 $_COOKIE = array_map('stripslashes', $_COOKIE);
  11         }
  12
  13         require_once "sessions.php";
  14         require_once "modules/backend-rpc.php";
  15
  16 /*      if ($_GET["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         if (DB_TYPE == "pgsql") {
  50                 pg_query("set client_encoding = 'UTF-8'");
  51                 pg_set_client_encoding("UNICODE");
  52         }
  53
  54         $op = $_REQUEST["op"];
  55
  56         $print_exec_time = false;
  57
  58         if ((!$op || $op == "rpc" || $op == "rss" || $op == "view" ||
  59                         $op == "digestSend" || $op == "viewfeed" ||
  60                         $op == "globalUpdateFeeds") && !$_REQUEST["noxml"]) {
  61                 header("Content-Type: application/xml; charset=utf-8");
  62         } else {
  63                 header("Content-Type: text/html; charset=utf-8");
  64         }
  65
  66         if (!$op) {
  67                 header("Content-Type: application/xml");
  68                 print_error_xml(7); exit;
  69         }
  70
  71         if (!($_SESSION["uid"] && validate_session($link)) && $op != "globalUpdateFeeds"
  72                         && $op != "rss" && $op != "getUnread") {
  73
  74                 if ($op == "rpc") {
  75                         print_error_xml(6); die;
  76                 } else {
  77                         print "
  78                         <html><body>
  79                                 <p>Error: Not logged in.</p>
  80                                 <script type=\"text/javascript\">
  81                                         if (parent.window != 'undefined') {
  82                                                 parent.window.location = \"tt-rss.php\";
  83                                         } else {
  84                                                 window.location = \"tt-rss.php\";
  85                                         }
  86                                 </script>
  87                         </body></html>
  88                         ";
  89                 }
  90                 exit;
  91         }
  92
  93         $purge_intervals = array(
  94                 0  => __("Use default"),
  95                 -1 => __("Never purge"),
  96                 5  => __("1 week old"),
  97                 14 => __("2 weeks old"),
  98                 31 => __("1 month old"),
  99                 60 => __("2 months old"),
 100                 90 => __("3 months old"));
 101
 102         $update_intervals = array(
 103                 0   => __("Use default"),
 104                 -1  => __("Disable updates"),
 105                 15  => __("Each 15 minutes"),
 106                 30  => __("Each 30 minutes"),
 107                 60  => __("Hourly"),
 108                 240 => __("Each 4 hours"),
 109                 720 => __("Each 12 hours"),
 110                 1440 => __("Daily"),
 111                 10080 => __("Weekly"));
 112
 113
 114         $access_level_names = array(
 115                 0 => __("User"),
 116                 10 => __("Administrator"));
 117
 118         require_once "modules/pref-prefs.php";
 119         require_once "modules/popup-dialog.php";
 120         require_once "modules/help.php";
 121         require_once "modules/pref-feeds.php";
 122         require_once "modules/pref-filters.php";
 123         require_once "modules/pref-labels.php";
 124         require_once "modules/pref-users.php";
 125         require_once "modules/pref-feed-browser.php";
 126
 127
 128         if (!sanity_check($link)) { return; }
 129
 130         if ($op == "rpc") {
 131                 handle_rpc_request($link);
 132         }
 133
 134         if ($op == "feeds") {
 135
 136                 $tags = $_GET["tags"];
 137
 138                 $subop = $_GET["subop"];
 139
 140                 if ($subop == "catchupAll") {
 141                         db_query($link, "UPDATE ttrss_user_entries SET
 142                                 last_read = NOW(),unread = false WHERE owner_uid = " . $_SESSION["uid"]);
 143                 }
 144
 145                 if ($subop == "collapse") {
 146                         $cat_id = db_escape_string($_GET["cid"]);
 147
 148                         db_query($link, "UPDATE ttrss_feed_categories SET
 149                                 collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " .
 150                                 $_SESSION["uid"]);
 151                         return;
 152                 }
 153
 154                 outputFeedList($link, $tags);
 155
 156         }
 157
 158         if ($op == "view") {
 159
 160                 $id = db_escape_string($_GET["id"]);
 161                 $feed_id = db_escape_string($_GET["feed"]);
 162                 $cids = split(",", db_escape_string($_GET["cids"]));
 163                 $mode = db_escape_string($_GET["mode"]);
 164                 $omode = db_escape_string($_GET["omode"]);
 165
 166                 print "<reply>";
 167
 168                 // in prefetch mode we only output requested cids, main article
 169                 // just gets marked as read (it already exists in client cache)
 170
 171                 if ($mode == "") {
 172                         outputArticleXML($link, $id, $feed_id);
 173                 } else {
 174                         catchupArticleById($link, $id, 0);
 175                 }
 176
 177                 foreach ($cids as $cid) {
 178                         if ($cid) {
 179                                 outputArticleXML($link, $cid, $feed_id, false);
 180                         }
 181                 }
 182
 183                 if ($mode != "prefetch_old") {
 184                         print "<counters>";
 185                         getAllCounters($link, $omode);
 186                         print "</counters>";
 187                 }
 188
 189                 print "</reply>";
 190         }
 191
 192         if ($op == "viewfeed") {
 193
 194                 $print_exec_time = true;
 195                 $timing_info = getmicrotime();
 196
 197                 print "<reply>";
 198
 199                 if ($_GET["debug"]) $timing_info = print_checkpoint("0", $timing_info);
 200
 201                 $omode = db_escape_string($_GET["omode"]);
 202
 203                 $feed = db_escape_string($_GET["feed"]);
 204                 $subop = db_escape_string($_GET["subop"]);
 205                 $view_mode = db_escape_string($_GET["view_mode"]);
 206                 $limit = db_escape_string($_GET["limit"]);
 207                 $cat_view = db_escape_string($_GET["cat"]);
 208                 $next_unread_feed = db_escape_string($_GET["nuf"]);
 209                 $offset = db_escape_string($_GET["skip"]);
 210
 211                 set_pref($link, "_DEFAULT_VIEW_MODE", $view_mode);
 212                 set_pref($link, "_DEFAULT_VIEW_LIMIT", $limit);
 213
 214                 print "<headlines id=\"$feed\"><![CDATA[";
 215
 216                 $topmost_article_ids = outputHeadlinesList($link, $feed, $subop,
 217                         $view_mode, $limit, $cat_view, $next_unread_feed, $offset);
 218
 219                 print "]]></headlines>";
 220
 221                 if ($_GET["debug"]) $timing_info = print_checkpoint("10", $timing_info);
 222
 223                 if (is_array($topmost_article_ids) && !get_pref($link, 'COMBINED_DISPLAY_MODE')) {
 224                         print "<articles>";
 225                         foreach ($topmost_article_ids as $id) {
 226                                 outputArticleXML($link, $id, $feed, false);
 227                         }
 228                         print "</articles>";
 229                 }
 230
 231                 if ($_GET["debug"]) $timing_info = print_checkpoint("20", $timing_info);
 232
 233                 print "<counters>";
 234                 getAllCounters($link, $omode);
 235                 print "</counters>";
 236
 237                 if ($_GET["debug"]) $timing_info = print_checkpoint("30", $timing_info);
 238
 239                 print "</reply>";
 240         }
 241
 242         if ($op == "pref-feeds") {
 243                 module_pref_feeds($link);
 244         }
 245
 246         if ($op == "pref-filters") {
 247                 module_pref_filters($link);
 248         }
 249
 250         if ($op == "pref-labels") {
 251                 module_pref_labels($link);
 252         }
 253
 254         if ($op == "pref-prefs") {
 255                 module_pref_prefs($link);
 256         }
 257
 258         if ($op == "pref-users") {
 259                 module_pref_users($link);
 260         }
 261
 262         if ($op == "help") {
 263                 module_help($link);
 264         }
 265
 266         if ($op == "dlg") {
 267                 module_popup_dialog($link);
 268         }
 269
 270         // update feeds of all users, may be used anonymously
 271         if ($op == "globalUpdateFeeds") {
 272
 273                 $result = db_query($link, "SELECT id FROM ttrss_users");
 274
 275                 while ($line = db_fetch_assoc($result)) {
 276                         $user_id = $line["id"];
 277 //                      print "<!-- updating feeds of uid $user_id -->";
 278                         update_all_feeds($link, false, $user_id);
 279                 }
 280
 281                 print "<rpc-reply>
 282                         <message msg=\"All feeds updated\"/>
 283                 </rpc-reply>";
 284
 285         }
 286
 287         if ($op == "user-details") {
 288
 289                 if (WEB_DEMO_MODE || $_SESSION["access_level"] < 10) {
 290                         return;
 291                 }
 292
 293 /*              print "<html><head>
 294                         <title>Tiny Tiny RSS : User Details</title>
 295                         <link rel=\"stylesheet\" href=\"tt-rss.css\" type=\"text/css\">
 296                         <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
 297                         </head><body>"; */
 298
 299                 $uid = sprintf("%d", $_GET["id"]);
 300
 301                 print "<div id=\"infoBoxTitle\">User details</div>";
 302
 303                 print "<div class='infoBoxContents'>";
 304
 305                 $result = db_query($link, "SELECT login,
 306                         SUBSTRING(last_login,1,16) AS last_login,
 307                         access_level,
 308                         (SELECT COUNT(int_id) FROM ttrss_user_entries
 309                                 WHERE owner_uid = id) AS stored_articles
 310                         FROM ttrss_users
 311                         WHERE id = '$uid'");
 312
 313                 if (db_num_rows($result) == 0) {
 314                         print "<h1>User not found</h1>";
 315                         return;
 316                 }
 317
 318 #               print "<h1>User Details</h1>";
 319
 320                 $login = db_fetch_result($result, 0, "login");
 321
 322 #               print "<h1>$login</h1>";
 323
 324                 print "<table width='100%'>";
 325
 326                 $last_login = date(get_pref($link, 'LONG_DATE_FORMAT'),
 327                         strtotime(db_fetch_result($result, 0, "last_login")));
 328                 $access_level = db_fetch_result($result, 0, "access_level");
 329                 $stored_articles = db_fetch_result($result, 0, "stored_articles");
 330
 331 #               print "<tr><td>Username</td><td>$login</td></tr>";
 332 #               print "<tr><td>Access level</td><td>$access_level</td></tr>";
 333                 print "<tr><td>Last logged in</td><td>$last_login</td></tr>";
 334                 print "<tr><td>Stored articles</td><td>$stored_articles</td></tr>";
 335
 336                 $result = db_query($link, "SELECT COUNT(id) as num_feeds FROM ttrss_feeds
 337                         WHERE owner_uid = '$uid'");
 338
 339                 $num_feeds = db_fetch_result($result, 0, "num_feeds");
 340
 341                 print "<tr><td>Subscribed feeds count</td><td>$num_feeds</td></tr>";
 342
 343 /*              $result = db_query($link, "SELECT
 344                         SUM(LENGTH(content)+LENGTH(title)+LENGTH(link)+LENGTH(guid)) AS db_size
 345                         FROM ttrss_user_entries,ttrss_entries
 346                                 WHERE owner_uid = '$uid' AND ref_id = id");
 347
 348                 $db_size = round(db_fetch_result($result, 0, "db_size") / 1024);
 349
 350                 print "<tr><td>Approx. used DB size</td><td>$db_size KBytes</td></tr>";  */
 351
 352                 print "</table>";
 353
 354                 print "<h1>Subscribed feeds</h1>";
 355
 356                 $result = db_query($link, "SELECT id,title,site_url FROM ttrss_feeds
 357                         WHERE owner_uid = '$uid' ORDER BY title");
 358
 359                 print "<ul class=\"userFeedList\">";
 360
 361                 $row_class = "odd";
 362
 363                 while ($line = db_fetch_assoc($result)) {
 364
 365                         $icon_file = ICONS_URL."/".$line["id"].".ico";
 366
 367                         if (file_exists($icon_file) && filesize($icon_file) > 0) {
 368                                 $feed_icon = "<img class=\"tinyFeedIcon\" src=\"$icon_file\">";
 369                         } else {
 370                                 $feed_icon = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">";
 371                         }
 372
 373                         print "<li class=\"$row_class\">$feed_icon&nbsp;<a href=\"".$line["site_url"]."\">".$line["title"]."</a></li>";
 374
 375                         $row_class = toggleEvenOdd($row_class);
 376
 377                 }
 378
 379                 if (db_num_rows($result) < $num_feeds) {
 380                          // FIXME - add link to show ALL subscribed feeds here somewhere
 381                         print "<li><img
 382                                 class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">&nbsp;...</li>";
 383                 }
 384
 385                 print "</ul>";
 386
 387                 print "</div>";
 388
 389                 print "<div align='center'>
 390                         <input type='submit' class='button'
 391                         onclick=\"closeInfoBox()\" value=\"Close this window\"></div>";
 392
 393 //              print "</body></html>";
 394
 395         }
 396
 397         if ($op == "pref-feed-browser") {
 398                 module_pref_feed_browser($link);
 399         }
 400
 401         if ($op == "rss") {
 402                 $feed = db_escape_string($_GET["id"]);
 403                 $user = db_escape_string($_GET["user"]);
 404                 $pass = db_escape_string($_GET["pass"]);
 405                 $is_cat = $_GET["is_cat"] != false;
 406
 407                 $search = db_escape_string($_GET["q"]);
 408                 $match_on = db_escape_string($_GET["m"]);
 409                 $search_mode = db_escape_string($_GET["smode"]);
 410
 411                 if (!$_SESSION["uid"] && $user && $pass) {
 412                         authenticate_user($link, $user, $pass);
 413                 }
 414
 415                 if ($_SESSION["uid"] ||
 416                         http_authenticate_user($link)) {
 417
 418                                 generate_syndicated_feed($link, $feed, $is_cat,
 419                                         $search, $search_mode, $match_on);
 420                 }
 421         }
 422
 423         if ($op == "labelFromSearch") {
 424                 $search = db_escape_string($_GET["search"]);
 425                 $search_mode = db_escape_string($_GET["smode"]);
 426                 $match_on = db_escape_string($_GET["match"]);
 427                 $is_cat = db_escape_string($_GET["is_cat"]);
 428                 $title = db_escape_string($_GET["title"]);
 429                 $feed = sprintf("%d", $_GET["feed"]);
 430
 431                 $label_qparts = array();
 432
 433                 $search_expr = getSearchSql($search, $match_on);
 434
 435                 if ($is_cat) {
 436                         if ($feed != 0) {
 437                                 $search_expr .= " AND ttrss_feeds.cat_id = $feed ";
 438                         } else {
 439                                 $search_expr .= " AND ttrss_feeds.cat_id IS NULL ";
 440                         }
 441                 } else {
 442                         if ($search_mode == "all_feeds") {
 443                                 // NOOP
 444                         } else if ($search_mode == "this_cat") {
 445
 446                                 $tmp_result = db_query($link, "SELECT cat_id
 447                                         FROM ttrss_feeds WHERE id = '$feed'");
 448
 449                                 $cat_id = db_fetch_result($tmp_result, 0, "cat_id");
 450
 451                                 if ($cat_id > 0) {
 452                                         $search_expr .= " AND ttrss_feeds.cat_id = $cat_id ";
 453                                 } else {
 454                                         $search_expr .= " AND ttrss_feeds.cat_id IS NULL ";
 455                                 }
 456                         } else {
 457                                 $search_expr .= " AND ttrss_feeds.id = $feed ";
 458                         }
 459
 460                 }
 461
 462                 $search_expr = db_escape_string($search_expr);
 463
 464                 print $search_expr;
 465
 466                 if ($title) {
 467                         $result = db_query($link,
 468                                 "INSERT INTO ttrss_labels (sql_exp,description,owner_uid)
 469                                 VALUES ('$search_expr', '$title', '".$_SESSION["uid"]."')");
 470                 }
 471         }
 472
 473         if ($op == "getUnread") {
 474                 $login = db_escape_string($_GET["login"]);
 475
 476                 header("Content-Type: text/plain; charset=utf-8");
 477
 478                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE login = '$login'");
 479
 480                 if (db_num_rows($result) == 1) {
 481                         $uid = db_fetch_result($result, 0, "id");
 482                         print getGlobalUnread($link, $uid);
 483                 } else {
 484                         print "-1;User not found";
 485                 }
 486
 487                 $print_exec_time = false;
 488         }
 489
 490         if ($op == "digestTest") {
 491                 header("Content-Type: text/plain");
 492                 print_r(prepare_headlines_digest($link, $_SESSION["uid"]));
 493                 $print_exec_time = false;
 494
 495         }
 496
 497         if ($op == "digestSend") {
 498                 header("Content-Type: text/plain");
 499                 send_headlines_digests($link);
 500                 $print_exec_time = false;
 501
 502         }
 503
 504         db_close($link);
 505 ?>
 506
 507 <?php if ($print_exec_time) { ?>
 508 <!-- <?php echo sprintf("Backend execution time: %.4f seconds", getmicrotime() - $script_started) ?> -->
 509 <?php } ?>