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