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                 db_query($link, "SET NAMES utf8");
  54                 db_query($link, "SET CHARACTER SET utf8");
  55         }
  56
  57         $op = $_REQUEST["op"];
  58
  59         $print_exec_time = false;
  60
  61         if ((!$op || $op == "rpc" || $op == "rss" || $op == "view" ||
  62                         $op == "digestSend" || $op == "viewfeed" || $op == "publish" ||
  63                         $op == "globalUpdateFeeds") && !$_REQUEST["noxml"]) {
  64                 header("Content-Type: application/xml; charset=utf-8");
  65         } else {
  66                 header("Content-Type: text/html; charset=utf-8");
  67         }
  68
  69         if (!$op) {
  70                 header("Content-Type: application/xml");
  71                 print_error_xml(7); exit;
  72         }
  73
  74         if (!($_SESSION["uid"] && validate_session($link)) && $op != "globalUpdateFeeds"
  75                         && $op != "rss" && $op != "getUnread" && $op != "publish") {
  76
  77                 if ($op == "rpc" || $op == "viewfeed" || $op == "view") {
  78                         print_error_xml(6); die;
  79                 } else {
  80                         print "
  81                         <html><body>
  82                                 <p>Error: Not logged in.</p>
  83                                 <script type=\"text/javascript\">
  84                                         if (parent.window != 'undefined') {
  85                                                 parent.window.location = \"tt-rss.php\";
  86                                         } else {
  87                                                 window.location = \"tt-rss.php\";
  88                                         }
  89                                 </script>
  90                         </body></html>
  91                         ";
  92                 }
  93                 exit;
  94         }
  95
  96         $purge_intervals = array(
  97                 0  => __("Use default"),
  98                 -1 => __("Never purge"),
  99                 5  => __("1 week old"),
 100                 14 => __("2 weeks old"),
 101                 31 => __("1 month old"),
 102                 60 => __("2 months old"),
 103                 90 => __("3 months old"));
 104
 105         $update_intervals = array(
 106                 0   => __("Use default"),
 107                 -1  => __("Disable updates"),
 108                 15  => __("Each 15 minutes"),
 109                 30  => __("Each 30 minutes"),
 110                 60  => __("Hourly"),
 111                 240 => __("Each 4 hours"),
 112                 720 => __("Each 12 hours"),
 113                 1440 => __("Daily"),
 114                 10080 => __("Weekly"));
 115
 116
 117         $access_level_names = array(
 118                 0 => __("User"),
 119                 10 => __("Administrator"));
 120
 121         require_once "modules/pref-prefs.php";
 122         require_once "modules/popup-dialog.php";
 123         require_once "modules/help.php";
 124         require_once "modules/pref-feeds.php";
 125         require_once "modules/pref-filters.php";
 126         require_once "modules/pref-labels.php";
 127         require_once "modules/pref-users.php";
 128         require_once "modules/pref-feed-browser.php";
 129
 130         if (!sanity_check($link)) { return; }
 131
 132         if ($op == "rpc") {
 133                 handle_rpc_request($link);
 134         }
 135
 136         if ($op == "feeds") {
 137
 138                 $tags = $_GET["tags"];
 139
 140                 $subop = $_GET["subop"];
 141
 142                 if ($subop == "catchupAll") {
 143                         db_query($link, "UPDATE ttrss_user_entries SET
 144                                 last_read = NOW(),unread = false WHERE owner_uid = " . $_SESSION["uid"]);
 145                 }
 146
 147                 if ($subop == "collapse") {
 148                         $cat_id = db_escape_string($_GET["cid"]);
 149
 150                         db_query($link, "UPDATE ttrss_feed_categories SET
 151                                 collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " .
 152                                 $_SESSION["uid"]);
 153                         return;
 154                 }
 155
 156                 outputFeedList($link, $tags);
 157
 158         }
 159
 160         if ($op == "view") {
 161
 162                 $id = db_escape_string($_GET["id"]);
 163                 $feed_id = db_escape_string($_GET["feed"]);
 164                 $cids = split(",", db_escape_string($_GET["cids"]));
 165                 $mode = db_escape_string($_GET["mode"]);
 166                 $omode = db_escape_string($_GET["omode"]);
 167
 168                 print "<reply>";
 169
 170                 // in prefetch mode we only output requested cids, main article
 171                 // just gets marked as read (it already exists in client cache)
 172
 173                 if ($mode == "") {
 174                         outputArticleXML($link, $id, $feed_id);
 175                 } else {
 176                         catchupArticleById($link, $id, 0);
 177                 }
 178
 179                 foreach ($cids as $cid) {
 180                         if ($cid) {
 181                                 outputArticleXML($link, $cid, $feed_id, false);
 182                         }
 183                 }
 184
 185                 if ($mode != "prefetch_old") {
 186                         print "<counters>";
 187                         getAllCounters($link, $omode);
 188                         print "</counters>";
 189                 }
 190
 191                 print "</reply>";
 192         }
 193
 194         if ($op == "viewfeed") {
 195
 196                 $print_exec_time = true;
 197                 $timing_info = getmicrotime();
 198
 199                 print "<reply>";
 200
 201                 if ($_GET["debug"]) $timing_info = print_checkpoint("0", $timing_info);
 202
 203                 $omode = db_escape_string($_GET["omode"]);
 204
 205                 $feed = db_escape_string($_GET["feed"]);
 206                 $subop = db_escape_string($_GET["subop"]);
 207                 $view_mode = db_escape_string($_GET["view_mode"]);
 208                 $limit = db_escape_string($_GET["limit"]);
 209                 $cat_view = db_escape_string($_GET["cat"]);
 210                 $next_unread_feed = db_escape_string($_GET["nuf"]);
 211                 $offset = db_escape_string($_GET["skip"]);
 212
 213                 set_pref($link, "_DEFAULT_VIEW_MODE", $view_mode);
 214                 set_pref($link, "_DEFAULT_VIEW_LIMIT", $limit);
 215
 216                 print "<headlines id=\"$feed\"><![CDATA[";
 217
 218                 $topmost_article_ids = outputHeadlinesList($link, $feed, $subop,
 219                         $view_mode, $limit, $cat_view, $next_unread_feed, $offset);
 220
 221                 print "]]></headlines>";
 222
 223                 if ($_GET["debug"]) $timing_info = print_checkpoint("10", $timing_info);
 224
 225                 if (is_array($topmost_article_ids) && !get_pref($link, 'COMBINED_DISPLAY_MODE')) {
 226                         print "<articles>";
 227                         foreach ($topmost_article_ids as $id) {
 228                                 outputArticleXML($link, $id, $feed, false);
 229                         }
 230                         print "</articles>";
 231                 }
 232
 233                 if ($_GET["debug"]) $timing_info = print_checkpoint("20", $timing_info);
 234
 235                 print "<counters>";
 236                 getAllCounters($link, $omode);
 237                 print "</counters>";
 238
 239                 if ($_GET["debug"]) $timing_info = print_checkpoint("30", $timing_info);
 240
 241                 print_runtime_info($link);
 242
 243                 print "</reply>";
 244         }
 245
 246         if ($op == "pref-feeds") {
 247                 module_pref_feeds($link);
 248         }
 249
 250         if ($op == "pref-filters") {
 251                 module_pref_filters($link);
 252         }
 253
 254         if ($op == "pref-labels") {
 255                 module_pref_labels($link);
 256         }
 257
 258         if ($op == "pref-prefs") {
 259                 module_pref_prefs($link);
 260         }
 261
 262         if ($op == "pref-users") {
 263                 module_pref_users($link);
 264         }
 265
 266         if ($op == "help") {
 267                 module_help($link);
 268         }
 269
 270         if ($op == "dlg") {
 271                 module_popup_dialog($link);
 272         }
 273
 274         if ($op == "pref-pub-items") {
 275                 module_pref_pub_items($link);
 276         }
 277
 278
 279         // update feeds of all users, may be used anonymously
 280         if ($op == "globalUpdateFeeds") {
 281
 282                 $result = db_query($link, "SELECT id FROM ttrss_users");
 283
 284                 while ($line = db_fetch_assoc($result)) {
 285                         $user_id = $line["id"];
 286 //                      print "<!-- updating feeds of uid $user_id -->";
 287                         update_all_feeds($link, false, $user_id);
 288                 }
 289
 290                 print "<rpc-reply>
 291                         <message msg=\"All feeds updated\"/>
 292                 </rpc-reply>";
 293
 294         }
 295
 296         if ($op == "user-details") {
 297
 298                 if (WEB_DEMO_MODE || $_SESSION["access_level"] < 10) {
 299                         return;
 300                 }
 301
 302 /*              print "<html><head>
 303                         <title>Tiny Tiny RSS : User Details</title>
 304                         <link rel=\"stylesheet\" href=\"tt-rss.css\" type=\"text/css\">
 305                         <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
 306                         </head><body>"; */
 307
 308                 $uid = sprintf("%d", $_GET["id"]);
 309
 310                 print "<div id=\"infoBoxTitle\">User details</div>";
 311
 312                 print "<div class='infoBoxContents'>";
 313
 314                 $result = db_query($link, "SELECT login,
 315                         SUBSTRING(last_login,1,16) AS last_login,
 316                         access_level,
 317                         (SELECT COUNT(int_id) FROM ttrss_user_entries
 318                                 WHERE owner_uid = id) AS stored_articles
 319                         FROM ttrss_users
 320                         WHERE id = '$uid'");
 321
 322                 if (db_num_rows($result) == 0) {
 323                         print "<h1>User not found</h1>";
 324                         return;
 325                 }
 326
 327 #               print "<h1>User Details</h1>";
 328
 329                 $login = db_fetch_result($result, 0, "login");
 330
 331 #               print "<h1>$login</h1>";
 332
 333                 print "<table width='100%'>";
 334
 335                 $last_login = date(get_pref($link, 'LONG_DATE_FORMAT'),
 336                         strtotime(db_fetch_result($result, 0, "last_login")));
 337                 $access_level = db_fetch_result($result, 0, "access_level");
 338                 $stored_articles = db_fetch_result($result, 0, "stored_articles");
 339
 340 #               print "<tr><td>Username</td><td>$login</td></tr>";
 341 #               print "<tr><td>Access level</td><td>$access_level</td></tr>";
 342                 print "<tr><td>Last logged in</td><td>$last_login</td></tr>";
 343                 print "<tr><td>Stored articles</td><td>$stored_articles</td></tr>";
 344
 345                 $result = db_query($link, "SELECT COUNT(id) as num_feeds FROM ttrss_feeds
 346                         WHERE owner_uid = '$uid'");
 347
 348                 $num_feeds = db_fetch_result($result, 0, "num_feeds");
 349
 350                 print "<tr><td>Subscribed feeds count</td><td>$num_feeds</td></tr>";
 351
 352 /*              $result = db_query($link, "SELECT
 353                         SUM(LENGTH(content)+LENGTH(title)+LENGTH(link)+LENGTH(guid)) AS db_size
 354                         FROM ttrss_user_entries,ttrss_entries
 355                                 WHERE owner_uid = '$uid' AND ref_id = id");
 356
 357                 $db_size = round(db_fetch_result($result, 0, "db_size") / 1024);
 358
 359                 print "<tr><td>Approx. used DB size</td><td>$db_size KBytes</td></tr>";  */
 360
 361                 print "</table>";
 362
 363                 print "<h1>Subscribed feeds</h1>";
 364
 365                 $result = db_query($link, "SELECT id,title,site_url FROM ttrss_feeds
 366                         WHERE owner_uid = '$uid' ORDER BY title");
 367
 368                 print "<ul class=\"userFeedList\">";
 369
 370                 $row_class = "odd";
 371
 372                 while ($line = db_fetch_assoc($result)) {
 373
 374                         $icon_file = ICONS_URL."/".$line["id"].".ico";
 375
 376                         if (file_exists($icon_file) && filesize($icon_file) > 0) {
 377                                 $feed_icon = "<img class=\"tinyFeedIcon\" src=\"$icon_file\">";
 378                         } else {
 379                                 $feed_icon = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">";
 380                         }
 381
 382                         print "<li class=\"$row_class\">$feed_icon&nbsp;<a href=\"".$line["site_url"]."\">".$line["title"]."</a></li>";
 383
 384                         $row_class = toggleEvenOdd($row_class);
 385
 386                 }
 387
 388                 if (db_num_rows($result) < $num_feeds) {
 389                          // FIXME - add link to show ALL subscribed feeds here somewhere
 390                         print "<li><img
 391                                 class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">&nbsp;...</li>";
 392                 }
 393
 394                 print "</ul>";
 395
 396                 print "</div>";
 397
 398                 print "<div align='center'>
 399                         <input type='submit' class='button'
 400                         onclick=\"closeInfoBox()\" value=\"Close this window\"></div>";
 401
 402 //              print "</body></html>";
 403
 404         }
 405
 406         if ($op == "pref-feed-browser") {
 407                 module_pref_feed_browser($link);
 408         }
 409
 410         if ($op == "publish") {
 411                 $key = db_escape_string($_GET["key"]);
 412
 413                 $result = db_query($link, "SELECT login, owner_uid
 414                         FROM ttrss_user_prefs, ttrss_users WHERE
 415                         pref_name = '_PREFS_PUBLISH_KEY' AND
 416                         value = '$key' AND
 417                         ttrss_users.id = owner_uid");
 418
 419                 if (db_num_rows($result) == 1) {
 420                         $owner = db_fetch_result($result, 0, "owner_uid");
 421                         $login = db_fetch_result($result, 0, "login");
 422
 423                         generate_syndicated_feed($link, $owner, -2, false);
 424
 425                 } else {
 426                         print "<error>User not found</error>";
 427                 }
 428
 429         }
 430
 431         if ($op == "rss") {
 432                 $feed = db_escape_string($_GET["id"]);
 433                 $user = db_escape_string($_GET["user"]);
 434                 $pass = db_escape_string($_GET["pass"]);
 435                 $is_cat = $_GET["is_cat"] != false;
 436
 437                 $search = db_escape_string($_GET["q"]);
 438                 $match_on = db_escape_string($_GET["m"]);
 439                 $search_mode = db_escape_string($_GET["smode"]);
 440
 441                 if (!$_SESSION["uid"] && $user && $pass) {
 442                         authenticate_user($link, $user, $pass);
 443                 }
 444
 445                 if ($_SESSION["uid"] ||
 446                         http_authenticate_user($link)) {
 447
 448                                 generate_syndicated_feed($link, 0, $feed, $is_cat,
 449                                         $search, $search_mode, $match_on);
 450                 }
 451
 452         }
 453
 454         if ($op == "labelFromSearch") {
 455                 $search = db_escape_string($_GET["search"]);
 456                 $search_mode = db_escape_string($_GET["smode"]);
 457                 $match_on = db_escape_string($_GET["match"]);
 458                 $is_cat = db_escape_string($_GET["is_cat"]);
 459                 $title = db_escape_string($_GET["title"]);
 460                 $feed = sprintf("%d", $_GET["feed"]);
 461
 462                 $label_qparts = array();
 463
 464                 $search_expr = getSearchSql($search, $match_on);
 465
 466                 if ($is_cat) {
 467                         if ($feed != 0) {
 468                                 $search_expr .= " AND ttrss_feeds.cat_id = $feed ";
 469                         } else {
 470                                 $search_expr .= " AND ttrss_feeds.cat_id IS NULL ";
 471                         }
 472                 } else {
 473                         if ($search_mode == "all_feeds") {
 474                                 // NOOP
 475                         } else if ($search_mode == "this_cat") {
 476
 477                                 $tmp_result = db_query($link, "SELECT cat_id
 478                                         FROM ttrss_feeds WHERE id = '$feed'");
 479
 480                                 $cat_id = db_fetch_result($tmp_result, 0, "cat_id");
 481
 482                                 if ($cat_id > 0) {
 483                                         $search_expr .= " AND ttrss_feeds.cat_id = $cat_id ";
 484                                 } else {
 485                                         $search_expr .= " AND ttrss_feeds.cat_id IS NULL ";
 486                                 }
 487                         } else {
 488                                 $search_expr .= " AND ttrss_feeds.id = $feed ";
 489                         }
 490
 491                 }
 492
 493                 $search_expr = db_escape_string($search_expr);
 494
 495                 print $search_expr;
 496
 497                 if ($title) {
 498                         $result = db_query($link,
 499                                 "INSERT INTO ttrss_labels (sql_exp,description,owner_uid)
 500                                 VALUES ('$search_expr', '$title', '".$_SESSION["uid"]."')");
 501                 }
 502         }
 503
 504         if ($op == "getUnread") {
 505                 $login = db_escape_string($_GET["login"]);
 506
 507                 header("Content-Type: text/plain; charset=utf-8");
 508
 509                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE login = '$login'");
 510
 511                 if (db_num_rows($result) == 1) {
 512                         $uid = db_fetch_result($result, 0, "id");
 513                         print getGlobalUnread($link, $uid);
 514                 } else {
 515                         print "-1;User not found";
 516                 }
 517
 518                 $print_exec_time = false;
 519         }
 520
 521         if ($op == "digestTest") {
 522                 header("Content-Type: text/plain");
 523                 print_r(prepare_headlines_digest($link, $_SESSION["uid"]));
 524                 $print_exec_time = false;
 525
 526         }
 527
 528         if ($op == "digestSend") {
 529                 header("Content-Type: text/plain");
 530                 send_headlines_digests($link);
 531                 $print_exec_time = false;
 532
 533         }
 534
 535         db_close($link);
 536 ?>
 537
 538 <?php if ($print_exec_time) { ?>
 539 <!-- <?php echo sprintf("Backend execution time: %.4f seconds", getmicrotime() - $script_started) ?> -->
 540 <?php } ?>