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