backend.php

   1 <?php
   2         error_reporting(E_ERROR | E_WARNING | E_PARSE);
   3
   4         require_once "sessions.php";
   5         require_once "modules/backend-rpc.php";
   6
   7 /*      if ($_GET["debug"]) {
   8                 define('DEFAULT_ERROR_LEVEL', E_ALL);
   9         } else {
  10                 define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
  11         }
  12
  13         error_reporting(DEFAULT_ERROR_LEVEL); */
  14
  15         require_once "sanity_check.php";
  16         require_once "config.php";
  17
  18         require_once "db.php";
  19         require_once "db-prefs.php";
  20         require_once "functions.php";
  21
  22         no_cache_incantation();
  23         startup_gettext();
  24
  25         $script_started = getmicrotime();
  26
  27         $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  28
  29         if (!$link) {
  30                 if (DB_TYPE == "mysql") {
  31                         print mysql_error();
  32                 }
  33                 // PG seems to display its own errors just fine by default.
  34                 return;
  35         }
  36
  37         if (DB_TYPE == "pgsql") {
  38                 pg_query("set client_encoding = 'UTF-8'");
  39                 pg_set_client_encoding("UNICODE");
  40         }
  41
  42         $op = $_REQUEST["op"];
  43
  44         $print_exec_time = false;
  45
  46         if ((!$op || $op == "rpc" || $op == "rss" || $op == "view" ||
  47                         $op == "digestSend" || $op == "viewfeed" ||
  48                         $op == "globalUpdateFeeds") && !$_REQUEST["noxml"]) {
  49                 header("Content-Type: application/xml; charset=utf-8");
  50         } else {
  51                 header("Content-Type: text/html; charset=utf-8");
  52         }
  53
  54         if (!$op) {
  55                 header("Content-Type: application/xml");
  56                 print_error_xml(7); exit;
  57         }
  58
  59         if (!($_SESSION["uid"] && validate_session($link)) && $op != "globalUpdateFeeds"
  60                         && $op != "rss" && $op != "getUnread") {
  61
  62                 if ($op == "rpc") {
  63                         print_error_xml(6); die;
  64                 } else {
  65                         print "
  66                         <html><body>
  67                                 <p>Error: Not logged in.</p>
  68                                 <script type=\"text/javascript\">
  69                                         if (parent.window != 'undefined') {
  70                                                 parent.window.location = \"tt-rss.php\";
  71                                         } else {
  72                                                 window.location = \"tt-rss.php\";
  73                                         }
  74                                 </script>
  75                         </body></html>
  76                         ";
  77                 }
  78                 exit;
  79         }
  80
  81         $purge_intervals = array(
  82                 0  => __("Use default"),
  83                 -1 => __("Never purge"),
  84                 5  => __("1 week old"),
  85                 14 => __("2 weeks old"),
  86                 31 => __("1 month old"),
  87                 60 => __("2 months old"),
  88                 90 => __("3 months old"));
  89
  90         $update_intervals = array(
  91                 0   => __("Use default"),
  92                 -1  => __("Disable updates"),
  93                 30  => __("Each 30 minutes"),
  94                 60  => __("Hourly"),
  95                 240 => __("Each 4 hours"),
  96                 720 => __("Each 12 hours"),
  97                 1440 => __("Daily"),
  98                 10080 => __("Weekly"));
  99
 100
 101         $access_level_names = array(
 102                 0 => __("User"),
 103                 10 => __("Administrator"));
 104
 105         require_once "modules/pref-prefs.php";
 106         require_once "modules/popup-dialog.php";
 107         require_once "modules/help.php";
 108         require_once "modules/pref-feeds.php";
 109         require_once "modules/pref-filters.php";
 110         require_once "modules/pref-labels.php";
 111         require_once "modules/pref-users.php";
 112         require_once "modules/pref-feed-browser.php";
 113
 114
 115         if (!sanity_check($link)) { return; }
 116
 117         if ($op == "rpc") {
 118                 handle_rpc_request($link);
 119         }
 120
 121         if ($op == "feeds") {
 122
 123                 $tags = $_GET["tags"];
 124
 125                 $subop = $_GET["subop"];
 126
 127                 if ($subop == "catchupAll") {
 128                         db_query($link, "UPDATE ttrss_user_entries SET
 129                                 last_read = NOW(),unread = false WHERE owner_uid = " . $_SESSION["uid"]);
 130                 }
 131
 132                 if ($subop == "collapse") {
 133                         $cat_id = db_escape_string($_GET["cid"]);
 134
 135                         db_query($link, "UPDATE ttrss_feed_categories SET
 136                                 collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " .
 137                                 $_SESSION["uid"]);
 138                         return;
 139                 }
 140
 141                 outputFeedList($link, $tags);
 142
 143         }
 144
 145         if ($op == "view") {
 146
 147                 $id = db_escape_string($_GET["id"]);
 148                 $feed_id = db_escape_string($_GET["feed"]);
 149                 $cids = split(",", db_escape_string($_GET["cids"]));
 150                 $mode = db_escape_string($_GET["mode"]);
 151                 $omode = db_escape_string($_GET["omode"]);
 152
 153                 print "<reply>";
 154
 155                 // in prefetch mode we only output requested cids, main article
 156                 // just gets marked as read (it already exists in client cache)
 157
 158                 if ($mode == "") {
 159                         outputArticleXML($link, $id, $feed_id);
 160                 } else {
 161                         catchupArticleById($link, $id, 0);
 162                 }
 163
 164                 foreach ($cids as $cid) {
 165                         if ($cid) {
 166                                 outputArticleXML($link, $cid, $feed_id, false);
 167                         }
 168                 }
 169
 170                 if ($mode != "prefetch_old") {
 171                         print "<counters>";
 172                         getAllCounters($link, $omode);
 173                         print "</counters>";
 174                 }
 175
 176                 print "</reply>";
 177         }
 178
 179         if ($op == "viewfeed") {
 180
 181                 $print_exec_time = true;
 182                 $timing_info = getmicrotime();
 183
 184                 print "<reply>";
 185
 186                 if ($_GET["debug"]) $timing_info = print_checkpoint("0", $timing_info);
 187
 188                 $omode = db_escape_string($_GET["omode"]);
 189
 190                 $feed = db_escape_string($_GET["feed"]);
 191                 $subop = db_escape_string($_GET["subop"]);
 192                 $view_mode = db_escape_string($_GET["view_mode"]);
 193                 $limit = db_escape_string($_GET["limit"]);
 194                 $cat_view = db_escape_string($_GET["cat"]);
 195                 $next_unread_feed = db_escape_string($_GET["nuf"]);
 196                 $offset = db_escape_string($_GET["skip"]);
 197
 198                 set_pref($link, "_DEFAULT_VIEW_MODE", $view_mode);
 199                 set_pref($link, "_DEFAULT_VIEW_LIMIT", $limit);
 200
 201                 print "<headlines id=\"$feed\"><![CDATA[";
 202
 203                 $topmost_article_ids = outputHeadlinesList($link, $feed, $subop,
 204                         $view_mode, $limit, $cat_view, $next_unread_feed, $offset);
 205
 206                 print "]]></headlines>";
 207
 208                 if ($_GET["debug"]) $timing_info = print_checkpoint("10", $timing_info);
 209
 210                 if (is_array($topmost_article_ids) && !get_pref($link, 'COMBINED_DISPLAY_MODE')) {
 211                         print "<articles>";
 212                         foreach ($topmost_article_ids as $id) {
 213                                 outputArticleXML($link, $id, $feed, false);
 214                         }
 215                         print "</articles>";
 216                 }
 217
 218                 if ($_GET["debug"]) $timing_info = print_checkpoint("20", $timing_info);
 219
 220                 print "<counters>";
 221                 getAllCounters($link, $omode);
 222                 print "</counters>";
 223
 224                 if ($_GET["debug"]) $timing_info = print_checkpoint("30", $timing_info);
 225
 226                 print "</reply>";
 227         }
 228
 229         if ($op == "pref-feeds") {
 230                 module_pref_feeds($link);
 231         }
 232
 233         if ($op == "pref-filters") {
 234                 module_pref_filters($link);
 235         }
 236
 237         if ($op == "pref-labels") {
 238                 module_pref_labels($link);
 239         }
 240
 241         if ($op == "pref-prefs") {
 242                 module_pref_prefs($link);
 243         }
 244
 245         if ($op == "pref-users") {
 246                 module_pref_users($link);
 247         }
 248
 249         if ($op == "help") {
 250                 module_help($link);
 251         }
 252
 253         if ($op == "dlg") {
 254                 module_popup_dialog($link);
 255         }
 256
 257         // update feeds of all users, may be used anonymously
 258         if ($op == "globalUpdateFeeds") {
 259
 260                 $result = db_query($link, "SELECT id FROM ttrss_users");
 261
 262                 while ($line = db_fetch_assoc($result)) {
 263                         $user_id = $line["id"];
 264 //                      print "<!-- updating feeds of uid $user_id -->";
 265                         update_all_feeds($link, false, $user_id);
 266                 }
 267
 268                 print "<rpc-reply>
 269                         <message msg=\"All feeds updated\"/>
 270                 </rpc-reply>";
 271
 272         }
 273
 274         if ($op == "user-details") {
 275
 276                 if (WEB_DEMO_MODE || $_SESSION["access_level"] < 10) {
 277                         return;
 278                 }
 279
 280 /*              print "<html><head>
 281                         <title>Tiny Tiny RSS : User Details</title>
 282                         <link rel=\"stylesheet\" href=\"tt-rss.css\" type=\"text/css\">
 283                         <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
 284                         </head><body>"; */
 285
 286                 $uid = sprintf("%d", $_GET["id"]);
 287
 288                 print "<div id=\"infoBoxTitle\">User details</div>";
 289
 290                 print "<div class='infoBoxContents'>";
 291
 292                 $result = db_query($link, "SELECT login,
 293                         SUBSTRING(last_login,1,16) AS last_login,
 294                         access_level,
 295                         (SELECT COUNT(int_id) FROM ttrss_user_entries
 296                                 WHERE owner_uid = id) AS stored_articles
 297                         FROM ttrss_users
 298                         WHERE id = '$uid'");
 299
 300                 if (db_num_rows($result) == 0) {
 301                         print "<h1>User not found</h1>";
 302                         return;
 303                 }
 304
 305 #               print "<h1>User Details</h1>";
 306
 307                 $login = db_fetch_result($result, 0, "login");
 308
 309 #               print "<h1>$login</h1>";
 310
 311                 print "<table width='100%'>";
 312
 313                 $last_login = date(get_pref($link, 'LONG_DATE_FORMAT'),
 314                         strtotime(db_fetch_result($result, 0, "last_login")));
 315                 $access_level = db_fetch_result($result, 0, "access_level");
 316                 $stored_articles = db_fetch_result($result, 0, "stored_articles");
 317
 318 #               print "<tr><td>Username</td><td>$login</td></tr>";
 319 #               print "<tr><td>Access level</td><td>$access_level</td></tr>";
 320                 print "<tr><td>Last logged in</td><td>$last_login</td></tr>";
 321                 print "<tr><td>Stored articles</td><td>$stored_articles</td></tr>";
 322
 323                 $result = db_query($link, "SELECT COUNT(id) as num_feeds FROM ttrss_feeds
 324                         WHERE owner_uid = '$uid'");
 325
 326                 $num_feeds = db_fetch_result($result, 0, "num_feeds");
 327
 328                 print "<tr><td>Subscribed feeds count</td><td>$num_feeds</td></tr>";
 329
 330 /*              $result = db_query($link, "SELECT
 331                         SUM(LENGTH(content)+LENGTH(title)+LENGTH(link)+LENGTH(guid)) AS db_size
 332                         FROM ttrss_user_entries,ttrss_entries
 333                                 WHERE owner_uid = '$uid' AND ref_id = id");
 334
 335                 $db_size = round(db_fetch_result($result, 0, "db_size") / 1024);
 336
 337                 print "<tr><td>Approx. used DB size</td><td>$db_size KBytes</td></tr>";  */
 338
 339                 print "</table>";
 340
 341                 print "<h1>Subscribed feeds</h1>";
 342
 343                 $result = db_query($link, "SELECT id,title,site_url FROM ttrss_feeds
 344                         WHERE owner_uid = '$uid' ORDER BY title");
 345
 346                 print "<ul class=\"userFeedList\">";
 347
 348                 $row_class = "odd";
 349
 350                 while ($line = db_fetch_assoc($result)) {
 351
 352                         $icon_file = ICONS_URL."/".$line["id"].".ico";
 353
 354                         if (file_exists($icon_file) && filesize($icon_file) > 0) {
 355                                 $feed_icon = "<img class=\"tinyFeedIcon\" src=\"$icon_file\">";
 356                         } else {
 357                                 $feed_icon = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">";
 358                         }
 359
 360                         print "<li class=\"$row_class\">$feed_icon&nbsp;<a href=\"".$line["site_url"]."\">".$line["title"]."</a></li>";
 361
 362                         $row_class = toggleEvenOdd($row_class);
 363
 364                 }
 365
 366                 if (db_num_rows($result) < $num_feeds) {
 367                          // FIXME - add link to show ALL subscribed feeds here somewhere
 368                         print "<li><img
 369                                 class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">&nbsp;...</li>";
 370                 }
 371
 372                 print "</ul>";
 373
 374                 print "</div>";
 375
 376                 print "<div align='center'>
 377                         <input type='submit' class='button'
 378                         onclick=\"closeInfoBox()\" value=\"Close this window\"></div>";
 379
 380 //              print "</body></html>";
 381
 382         }
 383
 384         if ($op == "pref-feed-browser") {
 385                 module_pref_feed_browser($link);
 386         }
 387
 388         if ($op == "rss") {
 389                 $feed = db_escape_string($_GET["id"]);
 390                 $user = db_escape_string($_GET["user"]);
 391                 $pass = db_escape_string($_GET["pass"]);
 392                 $is_cat = $_GET["is_cat"] != false;
 393
 394                 $search = db_escape_string($_GET["q"]);
 395                 $match_on = db_escape_string($_GET["m"]);
 396                 $search_mode = db_escape_string($_GET["smode"]);
 397
 398                 if (!$_SESSION["uid"] && $user && $pass) {
 399                         authenticate_user($link, $user, $pass);
 400                 }
 401
 402                 if ($_SESSION["uid"] ||
 403                         http_authenticate_user($link)) {
 404
 405                                 generate_syndicated_feed($link, $feed, $is_cat,
 406                                         $search, $search_mode, $match_on);
 407                 }
 408         }
 409
 410         if ($op == "labelFromSearch") {
 411                 $search = db_escape_string($_GET["search"]);
 412                 $search_mode = db_escape_string($_GET["smode"]);
 413                 $match_on = db_escape_string($_GET["match"]);
 414                 $is_cat = db_escape_string($_GET["is_cat"]);
 415                 $title = db_escape_string($_GET["title"]);
 416                 $feed = sprintf("%d", $_GET["feed"]);
 417
 418                 $label_qparts = array();
 419
 420                 $search_expr = getSearchSql($search, $match_on);
 421
 422                 if ($is_cat) {
 423                         if ($feed != 0) {
 424                                 $search_expr .= " AND ttrss_feeds.cat_id = $feed ";
 425                         } else {
 426                                 $search_expr .= " AND ttrss_feeds.cat_id IS NULL ";
 427                         }
 428                 } else {
 429                         if ($search_mode == "all_feeds") {
 430                                 // NOOP
 431                         } else if ($search_mode == "this_cat") {
 432
 433                                 $tmp_result = db_query($link, "SELECT cat_id
 434                                         FROM ttrss_feeds WHERE id = '$feed'");
 435
 436                                 $cat_id = db_fetch_result($tmp_result, 0, "cat_id");
 437
 438                                 if ($cat_id > 0) {
 439                                         $search_expr .= " AND ttrss_feeds.cat_id = $cat_id ";
 440                                 } else {
 441                                         $search_expr .= " AND ttrss_feeds.cat_id IS NULL ";
 442                                 }
 443                         } else {
 444                                 $search_expr .= " AND ttrss_feeds.id = $feed ";
 445                         }
 446
 447                 }
 448
 449                 $search_expr = db_escape_string($search_expr);
 450
 451                 print $search_expr;
 452
 453                 if ($title) {
 454                         $result = db_query($link,
 455                                 "INSERT INTO ttrss_labels (sql_exp,description,owner_uid)
 456                                 VALUES ('$search_expr', '$title', '".$_SESSION["uid"]."')");
 457                 }
 458         }
 459
 460         if ($op == "getUnread") {
 461                 $login = db_escape_string($_GET["login"]);
 462
 463                 header("Content-Type: text/plain; charset=utf-8");
 464
 465                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE login = '$login'");
 466
 467                 if (db_num_rows($result) == 1) {
 468                         $uid = db_fetch_result($result, 0, "id");
 469                         print getGlobalUnread($link, $uid);
 470                 } else {
 471                         print "-1;User not found";
 472                 }
 473
 474                 $print_exec_time = false;
 475         }
 476
 477         if ($op == "digestTest") {
 478                 header("Content-Type: text/plain");
 479                 print_r(prepare_headlines_digest($link, $_SESSION["uid"]));
 480                 $print_exec_time = false;
 481
 482         }
 483
 484         if ($op == "digestSend") {
 485                 header("Content-Type: text/plain");
 486                 send_headlines_digests($link);
 487                 $print_exec_time = false;
 488
 489         }
 490
 491         db_close($link);
 492 ?>
 493
 494 <?php if ($print_exec_time) { ?>
 495 <!-- <?php echo sprintf("Backend execution time: %.4f seconds", getmicrotime() - $script_started) ?> -->
 496 <?php } ?>