classes/handler/public.php

   1 <?php
   2 class Handler_Public extends Handler {
   3
   4         private function generate_syndicated_feed($owner_uid, $feed, $is_cat,
   5                 $limit, $offset, $search, $search_mode,
   6                 $view_mode = false, $format = 'atom') {
   7
   8                 require_once "lib/MiniTemplator.class.php";
   9
  10                 $note_style =   "background-color : #fff7d5;
  11                         border-width : 1px; ".
  12                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
  13                         "margin-bottom : 1em; color : #9a8c59;";
  14
  15                 if (!$limit) $limit = 60;
  16
  17                 $date_sort_field = "date_entered DESC, updated DESC";
  18
  19                 if ($feed == -2)
  20                         $date_sort_field = "last_published DESC";
  21                 else if ($feed == -1)
  22                         $date_sort_field = "last_marked DESC";
  23
  24                 $qfh_ret = queryFeedHeadlines($feed,
  25                         1, $view_mode, $is_cat, $search, $search_mode,
  26                         $date_sort_field, $offset, $owner_uid,
  27                         false, 0, false, true);
  28
  29                 $result = $qfh_ret[0];
  30
  31                 if ($this->dbh->num_rows($result) != 0) {
  32                         $ts = strtotime($this->dbh->fetch_result($result, 0, "date_entered"));
  33
  34                         if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) &&
  35                                         strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) >= $ts) {
  36                       header('HTTP/1.0 304 Not Modified');
  37                       return;
  38                         }
  39
  40                         $last_modified = gmdate("D, d M Y H:i:s", $ts) . " GMT";
  41                         header("Last-Modified: $last_modified", true);
  42                 }
  43
  44                 $qfh_ret = queryFeedHeadlines($feed,
  45                         $limit, $view_mode, $is_cat, $search, $search_mode,
  46                         $date_sort_field, $offset, $owner_uid,
  47                         false, 0, false, true);
  48
  49
  50                 $result = $qfh_ret[0];
  51                 $feed_title = htmlspecialchars($qfh_ret[1]);
  52                 $feed_site_url = $qfh_ret[2];
  53                 $last_error = $qfh_ret[3];
  54
  55                 $feed_self_url = get_self_url_prefix() .
  56                         "/public.php?op=rss&id=-2&key=" .
  57                         get_feed_access_key(-2, false, $owner_uid);
  58
  59                 if (!$feed_site_url) $feed_site_url = get_self_url_prefix();
  60
  61                 if ($format == 'atom') {
  62                         $tpl = new MiniTemplator;
  63
  64                         $tpl->readTemplateFromFile("templates/generated_feed.txt");
  65
  66                         $tpl->setVariable('FEED_TITLE', $feed_title, true);
  67                         $tpl->setVariable('VERSION', VERSION, true);
  68                         $tpl->setVariable('FEED_URL', htmlspecialchars($feed_self_url), true);
  69
  70                         if (PUBSUBHUBBUB_HUB && $feed == -2) {
  71                                 $tpl->setVariable('HUB_URL', htmlspecialchars(PUBSUBHUBBUB_HUB), true);
  72                                 $tpl->addBlock('feed_hub');
  73                         }
  74
  75                         $tpl->setVariable('SELF_URL', htmlspecialchars(get_self_url_prefix()), true);
  76
  77                         while ($line = $this->dbh->fetch_assoc($result)) {
  78
  79                                 $tpl->setVariable('ARTICLE_ID', htmlspecialchars($line['link']), true);
  80                                 $tpl->setVariable('ARTICLE_LINK', htmlspecialchars($line['link']), true);
  81                                 $tpl->setVariable('ARTICLE_TITLE', htmlspecialchars($line['title']), true);
  82                                 $tpl->setVariable('ARTICLE_EXCERPT',
  83                                         truncate_string(strip_tags($line["content_preview"]), 100, '...'), true);
  84
  85                                 $content = sanitize($line["content_preview"], false, $owner_uid);
  86
  87                                 if ($line['note']) {
  88                                         $content = "<div style=\"$note_style\">Article note: " . $line['note'] . "</div>" .
  89                                                 $content;
  90                                         $tpl->setVariable('ARTICLE_NOTE', htmlspecialchars($line['note']), true);
  91                                 }
  92
  93                                 $tpl->setVariable('ARTICLE_CONTENT', $content, true);
  94
  95                                 $tpl->setVariable('ARTICLE_UPDATED_ATOM',
  96                                         date('c', strtotime($line["updated"])), true);
  97                                 $tpl->setVariable('ARTICLE_UPDATED_RFC822',
  98                                         date(DATE_RFC822, strtotime($line["updated"])), true);
  99
 100                                 $tpl->setVariable('ARTICLE_AUTHOR', htmlspecialchars($line['author']), true);
 101
 102                                 $tags = get_article_tags($line["id"], $owner_uid);
 103
 104                                 foreach ($tags as $tag) {
 105                                         $tpl->setVariable('ARTICLE_CATEGORY', htmlspecialchars($tag), true);
 106                                         $tpl->addBlock('category');
 107                                 }
 108
 109                                 $enclosures = get_article_enclosures($line["id"]);
 110
 111                                 foreach ($enclosures as $e) {
 112                                         $type = htmlspecialchars($e['content_type']);
 113                                         $url = htmlspecialchars($e['content_url']);
 114                                         $length = $e['duration'];
 115
 116                                         $tpl->setVariable('ARTICLE_ENCLOSURE_URL', $url, true);
 117                                         $tpl->setVariable('ARTICLE_ENCLOSURE_TYPE', $type, true);
 118                                         $tpl->setVariable('ARTICLE_ENCLOSURE_LENGTH', $length, true);
 119
 120                                         $tpl->addBlock('enclosure');
 121                                 }
 122
 123                                 $tpl->addBlock('entry');
 124                         }
 125
 126                         $tmp = "";
 127
 128                         $tpl->addBlock('feed');
 129                         $tpl->generateOutputToString($tmp);
 130
 131                         if (@!$_REQUEST["noxml"]) {
 132                                 header("Content-Type: text/xml; charset=utf-8");
 133                         } else {
 134                                 header("Content-Type: text/plain; charset=utf-8");
 135                         }
 136
 137                         print $tmp;
 138                 } else if ($format == 'json') {
 139
 140                         $feed = array();
 141
 142                         $feed['title'] = $feed_title;
 143                         $feed['version'] = VERSION;
 144                         $feed['feed_url'] = $feed_self_url;
 145
 146                         if (PUBSUBHUBBUB_HUB && $feed == -2) {
 147                                 $feed['hub_url'] = PUBSUBHUBBUB_HUB;
 148                         }
 149
 150                         $feed['self_url'] = get_self_url_prefix();
 151
 152                         $feed['articles'] = array();
 153
 154                         while ($line = $this->dbh->fetch_assoc($result)) {
 155                                 $article = array();
 156
 157                                 $article['id'] = $line['link'];
 158                                 $article['link']        = $line['link'];
 159                                 $article['title'] = $line['title'];
 160                                 $article['excerpt'] = truncate_string(strip_tags($line["content_preview"]), 100, '...');
 161                                 $article['content'] = sanitize($line["content_preview"], false, $owner_uid);
 162                                 $article['updated'] = date('c', strtotime($line["updated"]));
 163
 164                                 if ($line['note']) $article['note'] = $line['note'];
 165                                 if ($article['author']) $article['author'] = $line['author'];
 166
 167                                 $tags = get_article_tags($line["id"], $owner_uid);
 168
 169                                 if (count($tags) > 0) {
 170                                         $article['tags'] = array();
 171
 172                                         foreach ($tags as $tag) {
 173                                                 array_push($article['tags'], $tag);
 174                                         }
 175                                 }
 176
 177                                 $enclosures = get_article_enclosures($line["id"]);
 178
 179                                 if (count($enclosures) > 0) {
 180                                         $article['enclosures'] = array();
 181
 182                                         foreach ($enclosures as $e) {
 183                                                 $type = $e['content_type'];
 184                                                 $url = $e['content_url'];
 185                                                 $length = $e['duration'];
 186
 187                                                 array_push($article['enclosures'], array("url" => $url, "type" => $type, "length" => $length));
 188                                         }
 189                                 }
 190
 191                                 array_push($feed['articles'], $article);
 192                         }
 193
 194                         header("Content-Type: text/json; charset=utf-8");
 195                         print json_encode($feed);
 196
 197                 } else {
 198                         header("Content-Type: text/plain; charset=utf-8");
 199                         print json_encode(array("error" => array("message" => "Unknown format")));
 200                 }
 201         }
 202
 203         function getUnread() {
 204                 $login = $this->dbh->escape_string($_REQUEST["login"]);
 205                 $fresh = $_REQUEST["fresh"] == "1";
 206
 207                 $result = $this->dbh->query("SELECT id FROM ttrss_users WHERE login = '$login'");
 208
 209                 if ($this->dbh->num_rows($result) == 1) {
 210                         $uid = $this->dbh->fetch_result($result, 0, "id");
 211
 212                         print getGlobalUnread($uid);
 213
 214                         if ($fresh) {
 215                                 print ";";
 216                                 print getFeedArticles(-3, false, true, $uid);
 217                         }
 218
 219                 } else {
 220                         print "-1;User not found";
 221                 }
 222
 223         }
 224
 225         function getProfiles() {
 226                 $login = $this->dbh->escape_string($_REQUEST["login"]);
 227
 228                 $result = $this->dbh->query("SELECT * FROM ttrss_settings_profiles,ttrss_users
 229                         WHERE ttrss_users.id = ttrss_settings_profiles.owner_uid AND login = '$login' ORDER BY title");
 230
 231                 print "<select dojoType='dijit.form.Select' style='width : 220px; margin : 0px' name='profile'>";
 232
 233                 print "<option value='0'>" . __("Default profile") . "</option>";
 234
 235                 while ($line = $this->dbh->fetch_assoc($result)) {
 236                         $id = $line["id"];
 237                         $title = $line["title"];
 238
 239                         print "<option value='$id'>$title</option>";
 240                 }
 241
 242                 print "</select>";
 243         }
 244
 245         function pubsub() {
 246                 $mode = $this->dbh->escape_string($_REQUEST['hub_mode']);
 247                 $feed_id = (int) $this->dbh->escape_string($_REQUEST['id']);
 248                 $feed_url = $this->dbh->escape_string($_REQUEST['hub_topic']);
 249
 250                 if (!PUBSUBHUBBUB_ENABLED) {
 251                         header('HTTP/1.0 404 Not Found');
 252                         echo "404 Not found";
 253                         return;
 254                 }
 255
 256                 // TODO: implement hub_verifytoken checking
 257
 258                 $result = $this->dbh->query("SELECT feed_url FROM ttrss_feeds
 259                         WHERE id = '$feed_id'");
 260
 261                 if ($this->dbh->num_rows($result) != 0) {
 262
 263                         $check_feed_url = $this->dbh->fetch_result($result, 0, "feed_url");
 264
 265                         if ($check_feed_url && ($check_feed_url == $feed_url || !$feed_url)) {
 266                                 if ($mode == "subscribe") {
 267
 268                                         $this->dbh->query("UPDATE ttrss_feeds SET pubsub_state = 2
 269                                                 WHERE id = '$feed_id'");
 270
 271                                         print $_REQUEST['hub_challenge'];
 272                                         return;
 273
 274                                 } else if ($mode == "unsubscribe") {
 275
 276                                         $this->dbh->query("UPDATE ttrss_feeds SET pubsub_state = 0
 277                                                 WHERE id = '$feed_id'");
 278
 279                                         print $_REQUEST['hub_challenge'];
 280                                         return;
 281
 282                                 } else if (!$mode) {
 283
 284                                         // Received update ping, schedule feed update.
 285                                         //update_rss_feed($feed_id, true, true);
 286
 287                                         $this->dbh->query("UPDATE ttrss_feeds SET
 288                                                 last_update_started = '1970-01-01',
 289                                                 last_updated = '1970-01-01' WHERE id = '$feed_id'");
 290
 291                                 }
 292                         } else {
 293                                 header('HTTP/1.0 404 Not Found');
 294                                 echo "404 Not found";
 295                         }
 296                 } else {
 297                         header('HTTP/1.0 404 Not Found');
 298                         echo "404 Not found";
 299                 }
 300
 301         }
 302
 303         function logout() {
 304                 logout_user();
 305                 header("Location: index.php");
 306         }
 307
 308         function share() {
 309                 $uuid = $this->dbh->escape_string($_REQUEST["key"]);
 310
 311                 $result = $this->dbh->query("SELECT ref_id, owner_uid FROM ttrss_user_entries WHERE
 312                         uuid = '$uuid'");
 313
 314                 if ($this->dbh->num_rows($result) != 0) {
 315                         header("Content-Type: text/html");
 316
 317                         $id = $this->dbh->fetch_result($result, 0, "ref_id");
 318                         $owner_uid = $this->dbh->fetch_result($result, 0, "owner_uid");
 319
 320                         $article = format_article($id, false, true, $owner_uid);
 321
 322                         print_r($article['content']);
 323
 324                 } else {
 325                         print "Article not found.";
 326                 }
 327
 328         }
 329
 330         function rss() {
 331                 $feed = $this->dbh->escape_string($_REQUEST["id"]);
 332                 $key = $this->dbh->escape_string($_REQUEST["key"]);
 333                 $is_cat = $_REQUEST["is_cat"] != false;
 334                 $limit = (int)$this->dbh->escape_string($_REQUEST["limit"]);
 335                 $offset = (int)$this->dbh->escape_string($_REQUEST["offset"]);
 336
 337                 $search = $this->dbh->escape_string($_REQUEST["q"]);
 338                 $search_mode = $this->dbh->escape_string($_REQUEST["smode"]);
 339                 $view_mode = $this->dbh->escape_string($_REQUEST["view-mode"]);
 340
 341                 $format = $this->dbh->escape_string($_REQUEST['format']);
 342
 343                 if (!$format) $format = 'atom';
 344
 345                 if (SINGLE_USER_MODE) {
 346                         authenticate_user("admin", null);
 347                 }
 348
 349                 $owner_id = false;
 350
 351                 if ($key) {
 352                         $result = $this->dbh->query("SELECT owner_uid FROM
 353                                 ttrss_access_keys WHERE access_key = '$key' AND feed_id = '$feed'");
 354
 355                         if ($this->dbh->num_rows($result) == 1)
 356                                 $owner_id = $this->dbh->fetch_result($result, 0, "owner_uid");
 357                 }
 358
 359                 if ($owner_id) {
 360                         $this->generate_syndicated_feed($owner_id, $feed, $is_cat, $limit,
 361                                 $offset, $search, $search_mode, $view_mode, $format);
 362                 } else {
 363                         header('HTTP/1.1 403 Forbidden');
 364                 }
 365         }
 366
 367         function globalUpdateFeeds() {
 368                 include "rssfuncs.php";
 369                 // Update all feeds needing a update.
 370                 update_daemon_common(0, true, false);
 371                 housekeeping_common(false);
 372
 373                 PluginHost::getInstance()->run_hooks(PluginHost::HOOK_UPDATE_TASK, "hook_update_task", $op);
 374
 375         }
 376
 377         function sharepopup() {
 378                 if (SINGLE_USER_MODE) {
 379                         login_sequence();
 380                 }
 381
 382                 header('Content-Type: text/html; charset=utf-8');
 383                 print "<html><head><title>Tiny Tiny RSS</title>";
 384
 385                 print stylesheet_tag("utility.css");
 386                 print javascript_tag("lib/prototype.js");
 387                 print javascript_tag("lib/scriptaculous/scriptaculous.js?load=effects,dragdrop,controls");
 388                 print "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
 389                         </head><body id='sharepopup'>";
 390
 391                 $action = $_REQUEST["action"];
 392
 393                 if ($_SESSION["uid"]) {
 394
 395                         if ($action == 'share') {
 396
 397                                 $title = $this->dbh->escape_string(strip_tags($_REQUEST["title"]));
 398                                 $url = $this->dbh->escape_string(strip_tags($_REQUEST["url"]));
 399                                 $content = $this->dbh->escape_string(strip_tags($_REQUEST["content"]));
 400                                 $labels = $this->dbh->escape_string(strip_tags($_REQUEST["labels"]));
 401
 402                                 Article::create_published_article($title, $url, $content, $labels,
 403                                         $_SESSION["uid"]);
 404
 405                                 print "<script type='text/javascript'>";
 406                                 print "window.close();";
 407                                 print "</script>";
 408
 409                         } else {
 410                                 $title = htmlspecialchars($_REQUEST["title"]);
 411                                 $url = htmlspecialchars($_REQUEST["url"]);
 412
 413                                 ?>
 414
 415                                 <table height='100%' width='100%'><tr><td colspan='2'>
 416                                 <h1><?php echo __("Share with Tiny Tiny RSS") ?></h1>
 417                                 </td></tr>
 418
 419                                 <form id='share_form' name='share_form'>
 420
 421                                 <input type="hidden" name="op" value="sharepopup">
 422                                 <input type="hidden" name="action" value="share">
 423
 424                                 <tr><td align='right'><?php echo __("Title:") ?></td>
 425                                 <td width='80%'><input name='title' value="<?php echo $title ?>"></td></tr>
 426                                 <tr><td align='right'><?php echo __("URL:") ?></td>
 427                                 <td><input name='url' value="<?php echo $url ?>"></td></tr>
 428                                 <tr><td align='right'><?php echo __("Content:") ?></td>
 429                                 <td><input name='content' value=""></td></tr>
 430                                 <tr><td align='right'><?php echo __("Labels:") ?></td>
 431                                 <td><input name='labels' id="labels_value"
 432                                         placeholder='Alpha, Beta, Gamma' value="">
 433                                 </td></tr>
 434
 435                                 <tr><td>
 436                                         <div class="autocomplete" id="labels_choices"
 437                                                 style="display : block"></div></td></tr>
 438
 439                                 <script type='text/javascript'>document.forms[0].title.focus();</script>
 440
 441                                 <script type='text/javascript'>
 442                                         new Ajax.Autocompleter('labels_value', 'labels_choices',
 443                                    "backend.php?op=rpc&method=completeLabels",
 444                                    { tokens: ',', paramName: "search" });
 445                                 </script>
 446
 447                                 <tr><td colspan='2'>
 448                                         <div style='float : right' class='insensitive-small'>
 449                                         <?php echo __("Shared article will appear in the Published feed.") ?>
 450                                         </div>
 451                                         <button type="submit"><?php echo __('Share') ?></button>
 452                                         <button onclick="return window.close()"><?php echo __('Cancel') ?></button>
 453                                         </div>
 454
 455                                 </form>
 456                                 </td></tr></table>
 457                                 </body></html>
 458                                 <?php
 459
 460                         }
 461
 462                 } else {
 463
 464                         $return = urlencode($_SERVER["REQUEST_URI"])
 465                         ?>
 466
 467                         <form action="public.php?return=<?php echo $return ?>"
 468                                 method="POST" id="loginForm" name="loginForm">
 469
 470                         <input type="hidden" name="op" value="login">
 471
 472                         <table height='100%' width='100%'><tr><td colspan='2'>
 473                         <h1><?php echo __("Not logged in") ?></h1></td></tr>
 474
 475                         <tr><td align="right"><?php echo __("Login:") ?></td>
 476                         <td align="right"><input name="login"
 477                                 value="<?php echo $_SESSION["fake_login"] ?>"></td></tr>
 478                                 <tr><td align="right"><?php echo __("Password:") ?></td>
 479                                 <td align="right"><input type="password" name="password"
 480                                 value="<?php echo $_SESSION["fake_password"] ?>"></td></tr>
 481                         <tr><td align="right"><?php echo __("Language:") ?></td>
 482                         <td align="right">
 483                         <?php
 484                                 print_select_hash("language", $_COOKIE["ttrss_lang"], get_translations(),
 485                                         "style='width : 100%''");
 486
 487                         ?>
 488                         </td></tr>
 489                         <tr><td colspan='2'>
 490                                 <button type="submit">
 491                                         <?php echo __('Log in') ?></button>
 492
 493                                 <button onclick="return window.close()">
 494                                         <?php echo __('Cancel') ?></button>
 495                         </td></tr>
 496                         </table>
 497
 498                         </form>
 499                         <?php
 500                 }
 501         }
 502
 503         function login() {
 504                 if (!SINGLE_USER_MODE) {
 505
 506                         $login = $this->dbh->escape_string($_POST["login"]);
 507                         $password = $_POST["password"];
 508                         $remember_me = $_POST["remember_me"];
 509
 510                         if ($remember_me) {
 511                                 session_set_cookie_params(SESSION_COOKIE_LIFETIME);
 512                         } else {
 513                                 session_set_cookie_params(0);
 514                         }
 515
 516                         @session_start();
 517
 518                         if (authenticate_user($login, $password)) {
 519                                 $_POST["password"] = "";
 520
 521                                 $_SESSION["language"] = $_POST["language"];
 522                                 $_SESSION["ref_schema_version"] = get_schema_version(true);
 523                                 $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
 524
 525                                 if ($_POST["profile"]) {
 526
 527                                         $profile = $this->dbh->escape_string($_POST["profile"]);
 528
 529                                         $result = $this->dbh->query("SELECT id FROM ttrss_settings_profiles
 530                                                 WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
 531
 532                                         if ($this->dbh->num_rows($result) != 0) {
 533                                                 $_SESSION["profile"] = $profile;
 534                                         }
 535                                 }
 536                         } else {
 537                                 $_SESSION["login_error_msg"] = __("Incorrect username or password");
 538                         }
 539
 540                         if ($_REQUEST['return']) {
 541                                 header("Location: " . $_REQUEST['return']);
 542                         } else {
 543                                 header("Location: " . SELF_URL_PATH);
 544                         }
 545                 }
 546         }
 547
 548         function subscribe() {
 549                 if (SINGLE_USER_MODE) {
 550                         login_sequence();
 551                 }
 552
 553                 if ($_SESSION["uid"]) {
 554
 555                         $feed_url = $this->dbh->escape_string(trim($_REQUEST["feed_url"]));
 556
 557                         header('Content-Type: text/html; charset=utf-8');
 558                         print "<html>
 559                                 <head>
 560                                         <title>Tiny Tiny RSS</title>
 561                                         <link rel=\"stylesheet\" type=\"text/css\" href=\"utility.css\">
 562                                         <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
 563                                 </head>
 564                                 <body>
 565                                 <img class=\"floatingLogo\" src=\"images/logo_small.png\"
 566                                         alt=\"Tiny Tiny RSS\"/>
 567                                         <h1>".__("Subscribe to feed...")."</h1><div class='content'>";
 568
 569                         $rc = subscribe_to_feed($feed_url);
 570
 571                         switch ($rc['code']) {
 572                         case 0:
 573                                 print_warning(T_sprintf("Already subscribed to <b>%s</b>.", $feed_url));
 574                                 break;
 575                         case 1:
 576                                 print_notice(T_sprintf("Subscribed to <b>%s</b>.", $feed_url));
 577                                 break;
 578                         case 2:
 579                                 print_error(T_sprintf("Could not subscribe to <b>%s</b>.", $feed_url));
 580                                 break;
 581                         case 3:
 582                                 print_error(T_sprintf("No feeds found in <b>%s</b>.", $feed_url));
 583                                 break;
 584                         case 4:
 585                                 print_notice(__("Multiple feed URLs found."));
 586                                 $feed_urls = $rc["feeds"];
 587                                 break;
 588                         case 5:
 589                                 print_error(T_sprintf("Could not subscribe to <b>%s</b>.<br>Can't download the Feed URL.", $feed_url));
 590                                 break;
 591                         }
 592
 593                         if ($feed_urls) {
 594
 595                                 print "<form action=\"public.php\">";
 596                                 print "<input type=\"hidden\" name=\"op\" value=\"subscribe\">";
 597
 598                                 print "<select name=\"feed_url\">";
 599
 600                                 foreach ($feed_urls as $url => $name) {
 601                                         $url = htmlspecialchars($url);
 602                                         $name = htmlspecialchars($name);
 603
 604                                         print "<option value=\"$url\">$name</option>";
 605                                 }
 606
 607                                 print "<input type=\"submit\" value=\"".__("Subscribe to selected feed").
 608                                         "\">";
 609
 610                                 print "</form>";
 611                         }
 612
 613                         $tp_uri = get_self_url_prefix() . "/prefs.php";
 614                         $tt_uri = get_self_url_prefix();
 615
 616                         if ($rc['code'] <= 2){
 617                                 $result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
 618                                         feed_url = '$feed_url' AND owner_uid = " . $_SESSION["uid"]);
 619
 620                                 $feed_id = $this->dbh->fetch_result($result, 0, "id");
 621                         } else {
 622                                 $feed_id = 0;
 623                         }
 624                         print "<p>";
 625
 626                         if ($feed_id) {
 627                                 print "<form method=\"GET\" style='display: inline'
 628                                         action=\"$tp_uri\">
 629                                         <input type=\"hidden\" name=\"tab\" value=\"feedConfig\">
 630                                         <input type=\"hidden\" name=\"method\" value=\"editFeed\">
 631                                         <input type=\"hidden\" name=\"methodparam\" value=\"$feed_id\">
 632                                         <input type=\"submit\" value=\"".__("Edit subscription options")."\">
 633                                         </form>";
 634                         }
 635
 636                         print "<form style='display: inline' method=\"GET\" action=\"$tt_uri\">
 637                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 638                                 </form></p>";
 639
 640                         print "</div></body></html>";
 641
 642                 } else {
 643                         render_login_form();
 644                 }
 645         }
 646
 647         function subscribe2() {
 648                 $feed_url = $this->dbh->escape_string(trim($_REQUEST["feed_url"]));
 649                 $cat_id = $this->dbh->escape_string($_REQUEST["cat_id"]);
 650                 $from = $this->dbh->escape_string($_REQUEST["from"]);
 651
 652                 /* only read authentication information from POST */
 653
 654                 $auth_login = $this->dbh->escape_string(trim($_POST["auth_login"]));
 655                 $auth_pass = $this->dbh->escape_string(trim($_POST["auth_pass"]));
 656
 657                 $rc = subscribe_to_feed($feed_url, $cat_id, $auth_login, $auth_pass);
 658
 659                 switch ($rc) {
 660                 case 1:
 661                         print_notice(T_sprintf("Subscribed to <b>%s</b>.", $feed_url));
 662                         break;
 663                 case 2:
 664                         print_error(T_sprintf("Could not subscribe to <b>%s</b>.", $feed_url));
 665                         break;
 666                 case 3:
 667                         print_error(T_sprintf("No feeds found in <b>%s</b>.", $feed_url));
 668                         break;
 669                 case 0:
 670                         print_warning(T_sprintf("Already subscribed to <b>%s</b>.", $feed_url));
 671                         break;
 672                 case 4:
 673                         print_notice(__("Multiple feed URLs found."));
 674
 675                         $feed_urls = get_feeds_from_html($feed_url);
 676                         break;
 677                 case 5:
 678                         print_error(T_sprintf("Could not subscribe to <b>%s</b>.<br>Can't download the Feed URL.", $feed_url));
 679                         break;
 680                 }
 681
 682                 if ($feed_urls) {
 683                         print "<form action=\"backend.php\">";
 684                         print "<input type=\"hidden\" name=\"op\" value=\"pref-feeds\">";
 685                         print "<input type=\"hidden\" name=\"quiet\" value=\"1\">";
 686                         print "<input type=\"hidden\" name=\"method\" value=\"add\">";
 687
 688                         print "<select name=\"feed_url\">";
 689
 690                         foreach ($feed_urls as $url => $name) {
 691                                 $url = htmlspecialchars($url);
 692                                 $name = htmlspecialchars($name);
 693                                 print "<option value=\"$url\">$name</option>";
 694                         }
 695
 696                         print "<input type=\"submit\" value=\"".__("Subscribe to selected feed")."\">";
 697                         print "</form>";
 698                 }
 699
 700                 $tp_uri = get_self_url_prefix() . "/prefs.php";
 701                 $tt_uri = get_self_url_prefix();
 702
 703                 if ($rc <= 2){
 704                         $result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
 705                                 feed_url = '$feed_url' AND owner_uid = " . $_SESSION["uid"]);
 706
 707                         $feed_id = $this->dbh->fetch_result($result, 0, "id");
 708                 } else {
 709                         $feed_id = 0;
 710                 }
 711
 712                 print "<p>";
 713
 714                 if ($feed_id) {
 715                         print "<form method=\"GET\" style='display: inline'
 716                                 action=\"$tp_uri\">
 717                                 <input type=\"hidden\" name=\"tab\" value=\"feedConfig\">
 718                                 <input type=\"hidden\" name=\"method\" value=\"editFeed\">
 719                                 <input type=\"hidden\" name=\"methodparam\" value=\"$feed_id\">
 720                                 <input type=\"submit\" value=\"".__("Edit subscription options")."\">
 721                                 </form>";
 722                 }
 723
 724                 print "<form style='display: inline' method=\"GET\" action=\"$tt_uri\">
 725                         <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 726                         </form></p>";
 727
 728                 print "</body></html>";
 729         }
 730
 731         function index() {
 732                 header("Content-Type: text/plain");
 733                 print json_encode(array("error" => array("code" => 7)));
 734         }
 735
 736         function forgotpass() {
 737                 header('Content-Type: text/html; charset=utf-8');
 738                 print "<html><head><title>Tiny Tiny RSS</title>";
 739
 740                 print stylesheet_tag("utility.css");
 741                 print javascript_tag("lib/prototype.js");
 742
 743                 print "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
 744                         </head><body id='forgotpass'>";
 745
 746                 print '<div class="floatingLogo"><img src="images/logo_small.png"></div>';
 747                 print "<h1>".__("Password recovery")."</h1>";
 748                 print "<div class='content'>";
 749
 750                 @$method = $_POST['method'];
 751
 752                 if (!$method) {
 753                         print_notice(__("You will need to provide valid account name and email. New password will be sent on your email address."));
 754
 755                         print "<form method='POST' action='public.php'>";
 756                         print "<input type='hidden' name='method' value='do'>";
 757                         print "<input type='hidden' name='op' value='forgotpass'>";
 758
 759                         print "<fieldset>";
 760                         print "<label>".__("Login:")."</label>";
 761                         print "<input type='text' name='login' value='' required>";
 762                         print "</fieldset>";
 763
 764                         print "<fieldset>";
 765                         print "<label>".__("Email:")."</label>";
 766                         print "<input type='email' name='email' value='' required>";
 767                         print "</fieldset>";
 768
 769                         print "<fieldset>";
 770                         print "<label>".__("How much is two plus two:")."</label>";
 771                         print "<input type='text' name='test' value='' required>";
 772                         print "</fieldset>";
 773
 774                         print "<p/>";
 775                         print "<button type='submit'>".__("Reset password")."</button>";
 776
 777                         print "</form>";
 778                 } else if ($method == 'do') {
 779
 780                         $login = $this->dbh->escape_string($_POST["login"]);
 781                         $email = $this->dbh->escape_string($_POST["email"]);
 782                         $test = $this->dbh->escape_string($_POST["test"]);
 783
 784                         if (($test != 4 && $test != 'four') || !$email || !$login) {
 785                                 print_error(__('Some of the required form parameters are missing or incorrect.'));
 786
 787                                 print "<form method=\"GET\" action=\"public.php\">
 788                                         <input type=\"hidden\" name=\"op\" value=\"forgotpass\">
 789                                         <input type=\"submit\" value=\"".__("Go back")."\">
 790                                         </form>";
 791
 792                         } else {
 793
 794                                 $result = $this->dbh->query("SELECT id FROM ttrss_users
 795                                         WHERE login = '$login' AND email = '$email'");
 796
 797                                 if ($this->dbh->num_rows($result) != 0) {
 798                                         $id = $this->dbh->fetch_result($result, 0, "id");
 799
 800                                         Pref_Users::resetUserPassword($id, false);
 801
 802                                         print "<p>";
 803
 804                                         print "<p>"."Completed."."</p>";
 805
 806                                         print "<form method=\"GET\" action=\"index.php\">
 807                                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 808                                                 </form>";
 809
 810                                 } else {
 811                                         print_error(__("Sorry, login and email combination not found."));
 812
 813                                         print "<form method=\"GET\" action=\"public.php\">
 814                                                 <input type=\"hidden\" name=\"op\" value=\"forgotpass\">
 815                                                 <input type=\"submit\" value=\"".__("Go back")."\">
 816                                                 </form>";
 817
 818                                 }
 819                         }
 820
 821                 }
 822
 823                 print "</div>";
 824                 print "</body>";
 825                 print "</html>";
 826
 827         }
 828
 829         function dbupdate() {
 830                 if (!SINGLE_USER_MODE && $_SESSION["access_level"] < 10) {
 831                         $_SESSION["login_error_msg"] = __("Your access level is insufficient to run this script.");
 832                         render_login_form();
 833                         exit;
 834                 }
 835
 836                 ?><html>
 837                         <head>
 838                         <title>Database Updater</title>
 839                         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
 840                         <link rel="stylesheet" type="text/css" href="utility.css"/>
 841                         </head>
 842                         <style type="text/css">
 843                                 span.ok { color : #009000; font-weight : bold; }
 844                                 span.err { color : #ff0000; font-weight : bold; }
 845                         </style>
 846                 <body>
 847                         <script type='text/javascript'>
 848                         function confirmOP() {
 849                                 return confirm("Update the database?");
 850                         }
 851                         </script>
 852
 853                         <div class="floatingLogo"><img src="images/logo_small.png"></div>
 854
 855                         <h1><?php echo __("Database Updater") ?></h1>
 856
 857                         <div class="content">
 858
 859                         <?php
 860                                 @$op = $_REQUEST["subop"];
 861                                 $updater = new DbUpdater(Db::get(), DB_TYPE, SCHEMA_VERSION);
 862
 863                                 if ($op == "performupdate") {
 864                                         if ($updater->isUpdateRequired()) {
 865
 866                                                 print "<h2>Performing updates</h2>";
 867
 868                                                 print "<h3>Updating to schema version " . SCHEMA_VERSION . "</h3>";
 869
 870                                                 print "<ul>";
 871
 872                                                 for ($i = $updater->getSchemaVersion() + 1; $i <= SCHEMA_VERSION; $i++) {
 873                                                         print "<li>Performing update up to version $i...";
 874
 875                                                         $result = $updater->performUpdateTo($i);
 876
 877                                                         if (!$result) {
 878                                                                 print "<span class='err'>FAILED!</span></li></ul>";
 879
 880                                                                 print_warning("One of the updates failed. Either retry the process or perform updates manually.");
 881                                                                 print "<p><form method=\"GET\" action=\"index.php\">
 882                                                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 883                                                                 </form>";
 884
 885                                                                 break;
 886                                                         } else {
 887                                                                 print "<span class='ok'>OK!</span></li>";
 888                                                         }
 889                                                 }
 890
 891                                                 print "</ul>";
 892
 893                                                 print_notice("Your Tiny Tiny RSS database is now updated to the latest version.");
 894
 895                                                 print "<p><form method=\"GET\" action=\"index.php\">
 896                                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 897                                                 </form>";
 898
 899                                         } else {
 900                                                 print "<h2>Your database is up to date.</h2>";
 901
 902                                                 print "<p><form method=\"GET\" action=\"index.php\">
 903                                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 904                                                 </form>";
 905                                         }
 906                                 } else {
 907                                         if ($updater->isUpdateRequired()) {
 908
 909                                                 print "<h2>Database update required</h2>";
 910
 911                                                 print "<h3>";
 912                                                 printf("Your Tiny Tiny RSS database needs update to the latest version: %d to %d.",
 913                                                         $updater->getSchemaVersion(), SCHEMA_VERSION);
 914                                                 print "</h3>";
 915
 916                                                 print_warning("Please backup your database before proceeding.");
 917
 918                                                 print "<form method='POST'>
 919                                                         <input type='hidden' name='subop' value='performupdate'>
 920                                                         <input type='submit' onclick='return confirmOP()' value='".__("Perform updates")."'>
 921                                                 </form>";
 922
 923                                         } else {
 924
 925                                                 print_notice("Tiny Tiny RSS database is up to date.");
 926
 927                                                 print "<p><form method=\"GET\" action=\"index.php\">
 928                                                         <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 929                                                 </form>";
 930
 931                                         }
 932                                 }
 933                         ?>
 934
 935                         </div>
 936                         </body>
 937                         </html>
 938                 <?php
 939         }
 940
 941 }
 942 ?>