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         } else {
  53                 if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
  54                         db_query($link, "SET NAMES " . MYSQL_CHARSET);
  55                         db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
  56                 }
  57         }
  58
  59         $op = $_REQUEST["op"];
  60
  61         $print_exec_time = false;
  62
  63         if ((!$op || $op == "rpc" || $op == "rss" || $op == "view" ||
  64                         $op == "digestSend" || $op == "viewfeed" || $op == "publish" ||
  65                         $op == "globalUpdateFeeds") && !$_REQUEST["noxml"]) {
  66                 header("Content-Type: application/xml; charset=utf-8");
  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 (!($_SESSION["uid"] && validate_session($link)) && $op != "globalUpdateFeeds"
  81                         && $op != "rss" && $op != "getUnread" && $op != "publish") {
  82
  83                 if ($op == "rpc" || $op == "viewfeed" || $op == "view") {
  84                         print_error_xml(6); die;
  85                 } else {
  86                         print "
  87                         <html><body>
  88                                 <p>Error: Not logged in.</p>
  89                                 <script type=\"text/javascript\">
  90                                         if (parent.window != 'undefined') {
  91                                                 parent.window.location = \"tt-rss.php\";
  92                                         } else {
  93                                                 window.location = \"tt-rss.php\";
  94                                         }
  95                                 </script>
  96                         </body></html>
  97                         ";
  98                 }
  99                 exit;
 100         }
 101
 102         $purge_intervals = array(
 103                 0  => __("Use default"),
 104                 -1 => __("Never purge"),
 105                 5  => __("1 week old"),
 106                 14 => __("2 weeks old"),
 107                 31 => __("1 month old"),
 108                 60 => __("2 months old"),
 109                 90 => __("3 months old"));
 110
 111         $update_intervals = array(
 112                 0   => __("Use default"),
 113                 -1  => __("Disable updates"),
 114                 15  => __("Each 15 minutes"),
 115                 30  => __("Each 30 minutes"),
 116                 60  => __("Hourly"),
 117                 240 => __("Each 4 hours"),
 118                 720 => __("Each 12 hours"),
 119                 1440 => __("Daily"),
 120                 10080 => __("Weekly"));
 121
 122
 123         $access_level_names = array(
 124                 0 => __("User"),
 125                 10 => __("Administrator"));
 126
 127         require_once "modules/pref-prefs.php";
 128         require_once "modules/popup-dialog.php";
 129         require_once "modules/help.php";
 130         require_once "modules/pref-feeds.php";
 131         require_once "modules/pref-filters.php";
 132         require_once "modules/pref-labels.php";
 133         require_once "modules/pref-users.php";
 134         require_once "modules/pref-feed-browser.php";
 135
 136         if (!sanity_check($link)) { return; }
 137
 138         if ($op == "rpc") {
 139                 handle_rpc_request($link);
 140         }
 141
 142         if ($op == "feeds") {
 143
 144                 $tags = $_GET["tags"];
 145
 146                 $subop = $_GET["subop"];
 147
 148                 if ($subop == "catchupAll") {
 149                         db_query($link, "UPDATE ttrss_user_entries SET
 150                                 last_read = NOW(),unread = false WHERE owner_uid = " . $_SESSION["uid"]);
 151                 }
 152
 153                 if ($subop == "collapse") {
 154                         $cat_id = db_escape_string($_GET["cid"]);
 155
 156                         db_query($link, "UPDATE ttrss_feed_categories SET
 157                                 collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " .
 158                                 $_SESSION["uid"]);
 159                         return;
 160                 }
 161
 162                 outputFeedList($link, $tags);
 163
 164         }
 165
 166         if ($op == "view") {
 167
 168                 $id = db_escape_string($_GET["id"]);
 169                 $feed_id = db_escape_string($_GET["feed"]);
 170                 $cids = split(",", db_escape_string($_GET["cids"]));
 171                 $mode = db_escape_string($_GET["mode"]);
 172                 $omode = db_escape_string($_GET["omode"]);
 173
 174                 print "<reply>";
 175
 176                 // in prefetch mode we only output requested cids, main article
 177                 // just gets marked as read (it already exists in client cache)
 178
 179                 if ($mode == "") {
 180                         outputArticleXML($link, $id, $feed_id);
 181                 } else {
 182                         catchupArticleById($link, $id, 0);
 183                 }
 184
 185                 foreach ($cids as $cid) {
 186                         if ($cid) {
 187                                 outputArticleXML($link, $cid, $feed_id, false);
 188                         }
 189                 }
 190
 191                 if ($mode != "prefetch_old") {
 192                         print "<counters>";
 193                         getAllCounters($link, $omode);
 194                         print "</counters>";
 195                 }
 196
 197                 print "</reply>";
 198         }
 199
 200         if ($op == "viewfeed") {
 201
 202                 $print_exec_time = true;
 203                 $timing_info = getmicrotime();
 204
 205                 print "<reply>";
 206
 207                 if ($_GET["debug"]) $timing_info = print_checkpoint("0", $timing_info);
 208
 209                 $omode = db_escape_string($_GET["omode"]);
 210
 211                 $feed = db_escape_string($_GET["feed"]);
 212                 $subop = db_escape_string($_GET["subop"]);
 213                 $view_mode = db_escape_string($_GET["view_mode"]);
 214                 $limit = db_escape_string($_GET["limit"]);
 215                 $cat_view = db_escape_string($_GET["cat"]);
 216                 $next_unread_feed = db_escape_string($_GET["nuf"]);
 217                 $offset = db_escape_string($_GET["skip"]);
 218
 219                 set_pref($link, "_DEFAULT_VIEW_MODE", $view_mode);
 220                 set_pref($link, "_DEFAULT_VIEW_LIMIT", $limit);
 221
 222                 print "<headlines id=\"$feed\"><![CDATA[";
 223
 224                 $topmost_article_ids = outputHeadlinesList($link, $feed, $subop,
 225                         $view_mode, $limit, $cat_view, $next_unread_feed, $offset);
 226
 227                 print "]]></headlines>";
 228
 229                 if ($_GET["debug"]) $timing_info = print_checkpoint("10", $timing_info);
 230
 231                 if (is_array($topmost_article_ids) && !get_pref($link, 'COMBINED_DISPLAY_MODE')) {
 232                         print "<articles>";
 233                         foreach ($topmost_article_ids as $id) {
 234                                 outputArticleXML($link, $id, $feed, false);
 235                         }
 236                         print "</articles>";
 237                 }
 238
 239                 if ($_GET["debug"]) $timing_info = print_checkpoint("20", $timing_info);
 240
 241                 print "<counters>";
 242                 getAllCounters($link, $omode);
 243                 print "</counters>";
 244
 245                 if ($_GET["debug"]) $timing_info = print_checkpoint("30", $timing_info);
 246
 247                 print_runtime_info($link);
 248
 249                 print "</reply>";
 250         }
 251
 252         if ($op == "pref-feeds") {
 253                 module_pref_feeds($link);
 254         }
 255
 256         if ($op == "pref-filters") {
 257                 module_pref_filters($link);
 258         }
 259
 260         if ($op == "pref-labels") {
 261                 module_pref_labels($link);
 262         }
 263
 264         if ($op == "pref-prefs") {
 265                 module_pref_prefs($link);
 266         }
 267
 268         if ($op == "pref-users") {
 269                 module_pref_users($link);
 270         }
 271
 272         if ($op == "help") {
 273                 module_help($link);
 274         }
 275
 276         if ($op == "dlg") {
 277                 module_popup_dialog($link);
 278         }
 279
 280         if ($op == "pref-pub-items") {
 281                 module_pref_pub_items($link);
 282         }
 283
 284
 285         // update feeds of all users, may be used anonymously
 286         if ($op == "globalUpdateFeeds") {
 287
 288                 $result = db_query($link, "SELECT id FROM ttrss_users");
 289
 290                 while ($line = db_fetch_assoc($result)) {
 291                         $user_id = $line["id"];
 292 //                      print "<!-- updating feeds of uid $user_id -->";
 293                         update_all_feeds($link, false, $user_id);
 294                 }
 295
 296                 print "<rpc-reply>
 297                         <message msg=\"All feeds updated\"/>
 298                 </rpc-reply>";
 299
 300         }
 301
 302         if ($op == "user-details") {
 303
 304                 if (WEB_DEMO_MODE || $_SESSION["access_level"] < 10) {
 305                         return;
 306                 }
 307
 308 /*              print "<html><head>
 309                         <title>Tiny Tiny RSS : User Details</title>
 310                         <link rel=\"stylesheet\" href=\"tt-rss.css\" type=\"text/css\">
 311                         <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
 312                         </head><body>"; */
 313
 314                 $uid = sprintf("%d", $_GET["id"]);
 315
 316                 print "<div id=\"infoBoxTitle\">User details</div>";
 317
 318                 print "<div class='infoBoxContents'>";
 319
 320                 $result = db_query($link, "SELECT login,
 321                         SUBSTRING(last_login,1,16) AS last_login,
 322                         access_level,
 323                         (SELECT COUNT(int_id) FROM ttrss_user_entries
 324                                 WHERE owner_uid = id) AS stored_articles
 325                         FROM ttrss_users
 326                         WHERE id = '$uid'");
 327
 328                 if (db_num_rows($result) == 0) {
 329                         print "<h1>User not found</h1>";
 330                         return;
 331                 }
 332
 333 #               print "<h1>User Details</h1>";
 334
 335                 $login = db_fetch_result($result, 0, "login");
 336
 337 #               print "<h1>$login</h1>";
 338
 339                 print "<table width='100%'>";
 340
 341                 $last_login = date(get_pref($link, 'LONG_DATE_FORMAT'),
 342                         strtotime(db_fetch_result($result, 0, "last_login")));
 343                 $access_level = db_fetch_result($result, 0, "access_level");
 344                 $stored_articles = db_fetch_result($result, 0, "stored_articles");
 345
 346 #               print "<tr><td>Username</td><td>$login</td></tr>";
 347 #               print "<tr><td>Access level</td><td>$access_level</td></tr>";
 348                 print "<tr><td>Last logged in</td><td>$last_login</td></tr>";
 349                 print "<tr><td>Stored articles</td><td>$stored_articles</td></tr>";
 350
 351                 $result = db_query($link, "SELECT COUNT(id) as num_feeds FROM ttrss_feeds
 352                         WHERE owner_uid = '$uid'");
 353
 354                 $num_feeds = db_fetch_result($result, 0, "num_feeds");
 355
 356                 print "<tr><td>Subscribed feeds count</td><td>$num_feeds</td></tr>";
 357
 358 /*              $result = db_query($link, "SELECT
 359                         SUM(LENGTH(content)+LENGTH(title)+LENGTH(link)+LENGTH(guid)) AS db_size
 360                         FROM ttrss_user_entries,ttrss_entries
 361                                 WHERE owner_uid = '$uid' AND ref_id = id");
 362
 363                 $db_size = round(db_fetch_result($result, 0, "db_size") / 1024);
 364
 365                 print "<tr><td>Approx. used DB size</td><td>$db_size KBytes</td></tr>";  */
 366
 367                 print "</table>";
 368
 369                 print "<h1>Subscribed feeds</h1>";
 370
 371                 $result = db_query($link, "SELECT id,title,site_url FROM ttrss_feeds
 372                         WHERE owner_uid = '$uid' ORDER BY title");
 373
 374                 print "<ul class=\"userFeedList\">";
 375
 376                 $row_class = "odd";
 377
 378                 while ($line = db_fetch_assoc($result)) {
 379
 380                         $icon_file = ICONS_URL."/".$line["id"].".ico";
 381
 382                         if (file_exists($icon_file) && filesize($icon_file) > 0) {
 383                                 $feed_icon = "<img class=\"tinyFeedIcon\" src=\"$icon_file\">";
 384                         } else {
 385                                 $feed_icon = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">";
 386                         }
 387
 388                         print "<li class=\"$row_class\">$feed_icon&nbsp;<a href=\"".$line["site_url"]."\">".$line["title"]."</a></li>";
 389
 390                         $row_class = toggleEvenOdd($row_class);
 391
 392                 }
 393
 394                 if (db_num_rows($result) < $num_feeds) {
 395                          // FIXME - add link to show ALL subscribed feeds here somewhere
 396                         print "<li><img
 397                                 class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">&nbsp;...</li>";
 398                 }
 399
 400                 print "</ul>";
 401
 402                 print "</div>";
 403
 404                 print "<div align='center'>
 405                         <input type='submit' class='button'
 406                         onclick=\"closeInfoBox()\" value=\"Close this window\"></div>";
 407
 408 //              print "</body></html>";
 409
 410         }
 411
 412         if ($op == "pref-feed-browser") {
 413                 module_pref_feed_browser($link);
 414         }
 415
 416         if ($op == "publish") {
 417                 $key = db_escape_string($_GET["key"]);
 418
 419                 $result = db_query($link, "SELECT login, owner_uid
 420                         FROM ttrss_user_prefs, ttrss_users WHERE
 421                         pref_name = '_PREFS_PUBLISH_KEY' AND
 422                         value = '$key' AND
 423                         ttrss_users.id = owner_uid");
 424
 425                 if (db_num_rows($result) == 1) {
 426                         $owner = db_fetch_result($result, 0, "owner_uid");
 427                         $login = db_fetch_result($result, 0, "login");
 428
 429                         generate_syndicated_feed($link, $owner, -2, false);
 430
 431                 } else {
 432                         print "<error>User not found</error>";
 433                 }
 434
 435         }
 436
 437         if ($op == "rss") {
 438                 $feed = db_escape_string($_GET["id"]);
 439                 $user = db_escape_string($_GET["user"]);
 440                 $pass = db_escape_string($_GET["pass"]);
 441                 $is_cat = $_GET["is_cat"] != false;
 442
 443                 $search = db_escape_string($_GET["q"]);
 444                 $match_on = db_escape_string($_GET["m"]);
 445                 $search_mode = db_escape_string($_GET["smode"]);
 446
 447                 if (!$_SESSION["uid"] && $user && $pass) {
 448                         authenticate_user($link, $user, $pass);
 449                 }
 450
 451                 if ($_SESSION["uid"] ||
 452                         http_authenticate_user($link)) {
 453
 454                                 generate_syndicated_feed($link, 0, $feed, $is_cat,
 455                                         $search, $search_mode, $match_on);
 456                 }
 457
 458         }
 459
 460         if ($op == "labelFromSearch") {
 461                 $search = db_escape_string($_GET["search"]);
 462                 $search_mode = db_escape_string($_GET["smode"]);
 463                 $match_on = db_escape_string($_GET["match"]);
 464                 $is_cat = db_escape_string($_GET["is_cat"]);
 465                 $title = db_escape_string($_GET["title"]);
 466                 $feed = sprintf("%d", $_GET["feed"]);
 467
 468                 $label_qparts = array();
 469
 470                 $search_expr = getSearchSql($search, $match_on);
 471
 472                 if ($is_cat) {
 473                         if ($feed != 0) {
 474                                 $search_expr .= " AND ttrss_feeds.cat_id = $feed ";
 475                         } else {
 476                                 $search_expr .= " AND ttrss_feeds.cat_id IS NULL ";
 477                         }
 478                 } else {
 479                         if ($search_mode == "all_feeds") {
 480                                 // NOOP
 481                         } else if ($search_mode == "this_cat") {
 482
 483                                 $tmp_result = db_query($link, "SELECT cat_id
 484                                         FROM ttrss_feeds WHERE id = '$feed'");
 485
 486                                 $cat_id = db_fetch_result($tmp_result, 0, "cat_id");
 487
 488                                 if ($cat_id > 0) {
 489                                         $search_expr .= " AND ttrss_feeds.cat_id = $cat_id ";
 490                                 } else {
 491                                         $search_expr .= " AND ttrss_feeds.cat_id IS NULL ";
 492                                 }
 493                         } else {
 494                                 $search_expr .= " AND ttrss_feeds.id = $feed ";
 495                         }
 496
 497                 }
 498
 499                 $search_expr = db_escape_string($search_expr);
 500
 501                 print $search_expr;
 502
 503                 if ($title) {
 504                         $result = db_query($link,
 505                                 "INSERT INTO ttrss_labels (sql_exp,description,owner_uid)
 506                                 VALUES ('$search_expr', '$title', '".$_SESSION["uid"]."')");
 507                 }
 508         }
 509
 510         if ($op == "getUnread") {
 511                 $login = db_escape_string($_GET["login"]);
 512
 513                 header("Content-Type: text/plain; charset=utf-8");
 514
 515                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE login = '$login'");
 516
 517                 if (db_num_rows($result) == 1) {
 518                         $uid = db_fetch_result($result, 0, "id");
 519                         print getGlobalUnread($link, $uid);
 520                 } else {
 521                         print "-1;User not found";
 522                 }
 523
 524                 $print_exec_time = false;
 525         }
 526
 527         if ($op == "digestTest") {
 528                 header("Content-Type: text/plain");
 529                 print_r(prepare_headlines_digest($link, $_SESSION["uid"]));
 530                 $print_exec_time = false;
 531
 532         }
 533
 534         if ($op == "digestSend") {
 535                 header("Content-Type: text/plain");
 536                 send_headlines_digests($link);
 537                 $print_exec_time = false;
 538
 539         }
 540
 541         db_close($link);
 542 ?>
 543
 544 <?php if ($print_exec_time) { ?>
 545 <!-- <?php echo sprintf("Backend execution time: %.4f seconds", getmicrotime() - $script_started) ?> -->
 546 <?php } ?>