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', $order = false, $orig_guid = false) {
   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                         $date_sort_field = "last_marked DESC";
  23
  24                 switch ($order) {
  25                 case "title":
  26                         $date_sort_field = "ttrss_entries.title";
  27                         break;
  28                 case "date_reverse":
  29                         $date_sort_field = "date_entered, updated";
  30                         break;
  31                 case "feed_dates":
  32                         $date_sort_field = "updated DESC";
  33                         break;
  34                 }
  35
  36                 $qfh_ret = queryFeedHeadlines($feed,
  37                         1, $view_mode, $is_cat, $search, $search_mode,
  38                         $date_sort_field, $offset, $owner_uid,
  39                         false, 0, false, true);
  40
  41                 $result = $qfh_ret[0];
  42
  43                 if ($this->dbh->num_rows($result) != 0) {
  44                         $ts = strtotime($this->dbh->fetch_result($result, 0, "date_entered"));
  45
  46                         if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) &&
  47                                         strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) >= $ts) {
  48                       header('HTTP/1.0 304 Not Modified');
  49                       return;
  50                         }
  51
  52                         $last_modified = gmdate("D, d M Y H:i:s", $ts) . " GMT";
  53                         header("Last-Modified: $last_modified", true);
  54                 }
  55
  56                 $qfh_ret = queryFeedHeadlines($feed,
  57                         $limit, $view_mode, $is_cat, $search, $search_mode,
  58                         $date_sort_field, $offset, $owner_uid,
  59                         false, 0, false, true);
  60
  61
  62                 $result = $qfh_ret[0];
  63                 $feed_title = htmlspecialchars($qfh_ret[1]);
  64                 $feed_site_url = $qfh_ret[2];
  65                 $last_error = $qfh_ret[3];
  66
  67                 $feed_self_url = get_self_url_prefix() .
  68                         "/public.php?op=rss&id=$feed&key=" .
  69                         get_feed_access_key($feed, false, $owner_uid);
  70
  71                 if (!$feed_site_url) $feed_site_url = get_self_url_prefix();
  72
  73                 if ($format == 'atom') {
  74                         $tpl = new MiniTemplator;
  75
  76                         $tpl->readTemplateFromFile("templates/generated_feed.txt");
  77
  78                         $tpl->setVariable('FEED_TITLE', $feed_title, true);
  79                         $tpl->setVariable('VERSION', VERSION, true);
  80                         $tpl->setVariable('FEED_URL', htmlspecialchars($feed_self_url), true);
  81
  82                         if (PUBSUBHUBBUB_HUB && $feed == -2) {
  83                                 $tpl->setVariable('HUB_URL', htmlspecialchars(PUBSUBHUBBUB_HUB), true);
  84                                 $tpl->addBlock('feed_hub');
  85                         }
  86
  87                         $tpl->setVariable('SELF_URL', htmlspecialchars(get_self_url_prefix()), true);
  88                         $line["content_preview"] = truncate_string(strip_tags($line["content_preview"]), 100, '...');
  89                         while ($line = $this->dbh->fetch_assoc($result)) {
  90                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
  91                                         $line = $p->hook_query_headlines($line);
  92                                 }
  93
  94                                 $tpl->setVariable('ARTICLE_ID',
  95                                         htmlspecialchars($orig_guid ? $line['link'] :
  96                                                 get_self_url_prefix() .
  97                                                         "/public.php?url=" . urlencode($line['link'])), true);
  98                                 $tpl->setVariable('ARTICLE_LINK', htmlspecialchars($line['link']), true);
  99                                 $tpl->setVariable('ARTICLE_TITLE', htmlspecialchars($line['title']), true);
 100                                 $tpl->setVariable('ARTICLE_EXCERPT', $line["content_preview"], true);
 101
 102                                 $content = sanitize($line["content"], false, $owner_uid);
 103
 104                                 if ($line['note']) {
 105                                         $content = "<div style=\"$note_style\">Article note: " . $line['note'] . "</div>" .
 106                                                 $content;
 107                                         $tpl->setVariable('ARTICLE_NOTE', htmlspecialchars($line['note']), true);
 108                                 }
 109
 110                                 $tpl->setVariable('ARTICLE_CONTENT', $content, true);
 111
 112                                 $tpl->setVariable('ARTICLE_UPDATED_ATOM',
 113                                         date('c', strtotime($line["updated"])), true);
 114                                 $tpl->setVariable('ARTICLE_UPDATED_RFC822',
 115                                         date(DATE_RFC822, strtotime($line["updated"])), true);
 116
 117                                 $tpl->setVariable('ARTICLE_AUTHOR', htmlspecialchars($line['author']), true);
 118
 119                                 $tpl->setVariable('ARTICLE_SOURCE_LINK', htmlspecialchars($line['site_url']), true);
 120                                 $tpl->setVariable('ARTICLE_SOURCE_TITLE', htmlspecialchars($line['feed_title']), true);
 121
 122                                 $tags = get_article_tags($line["id"], $owner_uid);
 123
 124                                 foreach ($tags as $tag) {
 125                                         $tpl->setVariable('ARTICLE_CATEGORY', htmlspecialchars($tag), true);
 126                                         $tpl->addBlock('category');
 127                                 }
 128
 129                                 $enclosures = get_article_enclosures($line["id"]);
 130
 131                                 foreach ($enclosures as $e) {
 132                                         $type = htmlspecialchars($e['content_type']);
 133                                         $url = htmlspecialchars($e['content_url']);
 134                                         $length = $e['duration'];
 135
 136                                         $tpl->setVariable('ARTICLE_ENCLOSURE_URL', $url, true);
 137                                         $tpl->setVariable('ARTICLE_ENCLOSURE_TYPE', $type, true);
 138                                         $tpl->setVariable('ARTICLE_ENCLOSURE_LENGTH', $length, true);
 139
 140                                         $tpl->addBlock('enclosure');
 141                                 }
 142
 143                                 $tpl->addBlock('entry');
 144                         }
 145
 146                         $tmp = "";
 147
 148                         $tpl->addBlock('feed');
 149                         $tpl->generateOutputToString($tmp);
 150
 151                         if (@!$_REQUEST["noxml"]) {
 152                                 header("Content-Type: text/xml; charset=utf-8");
 153                         } else {
 154                                 header("Content-Type: text/plain; charset=utf-8");
 155                         }
 156
 157                         print $tmp;
 158                 } else if ($format == 'json') {
 159
 160                         $feed = array();
 161
 162                         $feed['title'] = $feed_title;
 163                         $feed['version'] = VERSION;
 164                         $feed['feed_url'] = $feed_self_url;
 165
 166                         if (PUBSUBHUBBUB_HUB && $feed == -2) {
 167                                 $feed['hub_url'] = PUBSUBHUBBUB_HUB;
 168                         }
 169
 170                         $feed['self_url'] = get_self_url_prefix();
 171
 172                         $feed['articles'] = array();
 173
 174                         while ($line = $this->dbh->fetch_assoc($result)) {
 175                                 $line["content_preview"] = truncate_string(strip_tags($line["content_preview"]), 100, '...');
 176                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
 177                                         $line = $p->hook_query_headlines($line, 100);
 178                                 }
 179                                 $article = array();
 180
 181                                 $article['id'] = $line['link'];
 182                                 $article['link']        = $line['link'];
 183                                 $article['title'] = $line['title'];
 184                                 $article['excerpt'] = $line["content_preview"];
 185                                 $article['content'] = sanitize($line["content"], false, $owner_uid);
 186                                 $article['updated'] = date('c', strtotime($line["updated"]));
 187
 188                                 if ($line['note']) $article['note'] = $line['note'];
 189                                 if ($article['author']) $article['author'] = $line['author'];
 190
 191                                 $tags = get_article_tags($line["id"], $owner_uid);
 192
 193                                 if (count($tags) > 0) {
 194                                         $article['tags'] = array();
 195
 196                                         foreach ($tags as $tag) {
 197                                                 array_push($article['tags'], $tag);
 198                                         }
 199                                 }
 200
 201                                 $enclosures = get_article_enclosures($line["id"]);
 202
 203                                 if (count($enclosures) > 0) {
 204                                         $article['enclosures'] = array();
 205
 206                                         foreach ($enclosures as $e) {
 207                                                 $type = $e['content_type'];
 208                                                 $url = $e['content_url'];
 209                                                 $length = $e['duration'];
 210
 211                                                 array_push($article['enclosures'], array("url" => $url, "type" => $type, "length" => $length));
 212                                         }
 213                                 }
 214
 215                                 array_push($feed['articles'], $article);
 216                         }
 217
 218                         header("Content-Type: text/json; charset=utf-8");
 219                         print json_encode($feed);
 220
 221                 } else {
 222                         header("Content-Type: text/plain; charset=utf-8");
 223                         print json_encode(array("error" => array("message" => "Unknown format")));
 224                 }
 225         }
 226
 227         function getUnread() {
 228                 $login = $this->dbh->escape_string($_REQUEST["login"]);
 229                 $fresh = $_REQUEST["fresh"] == "1";
 230
 231                 $result = $this->dbh->query("SELECT id FROM ttrss_users WHERE login = '$login'");
 232
 233                 if ($this->dbh->num_rows($result) == 1) {
 234                         $uid = $this->dbh->fetch_result($result, 0, "id");
 235
 236                         print getGlobalUnread($uid);
 237
 238                         if ($fresh) {
 239                                 print ";";
 240                                 print getFeedArticles(-3, false, true, $uid);
 241                         }
 242
 243                 } else {
 244                         print "-1;User not found";
 245                 }
 246
 247         }
 248
 249         function getProfiles() {
 250                 $login = $this->dbh->escape_string($_REQUEST["login"]);
 251
 252                 $result = $this->dbh->query("SELECT ttrss_settings_profiles.* FROM ttrss_settings_profiles,ttrss_users
 253                         WHERE ttrss_users.id = ttrss_settings_profiles.owner_uid AND login = '$login' ORDER BY title");
 254
 255                 print "<select dojoType='dijit.form.Select' style='width : 220px; margin : 0px' name='profile'>";
 256
 257                 print "<option value='0'>" . __("Default profile") . "</option>";
 258
 259                 while ($line = $this->dbh->fetch_assoc($result)) {
 260                         $id = $line["id"];
 261                         $title = $line["title"];
 262
 263                         print "<option value='$id'>$title</option>";
 264                 }
 265
 266                 print "</select>";
 267         }
 268
 269         function pubsub() {
 270                 $mode = $this->dbh->escape_string($_REQUEST['hub_mode']);
 271                 $feed_id = (int) $this->dbh->escape_string($_REQUEST['id']);
 272                 $feed_url = $this->dbh->escape_string($_REQUEST['hub_topic']);
 273
 274                 if (!PUBSUBHUBBUB_ENABLED) {
 275                         header('HTTP/1.0 404 Not Found');
 276                         echo "404 Not found";
 277                         return;
 278                 }
 279
 280                 // TODO: implement hub_verifytoken checking
 281
 282                 $result = $this->dbh->query("SELECT feed_url FROM ttrss_feeds
 283                         WHERE id = '$feed_id'");
 284
 285                 if ($this->dbh->num_rows($result) != 0) {
 286
 287                         $check_feed_url = $this->dbh->fetch_result($result, 0, "feed_url");
 288
 289                         if ($check_feed_url && ($check_feed_url == $feed_url || !$feed_url)) {
 290                                 if ($mode == "subscribe") {
 291
 292                                         $this->dbh->query("UPDATE ttrss_feeds SET pubsub_state = 2
 293                                                 WHERE id = '$feed_id'");
 294
 295                                         print $_REQUEST['hub_challenge'];
 296                                         return;
 297
 298                                 } else if ($mode == "unsubscribe") {
 299
 300                                         $this->dbh->query("UPDATE ttrss_feeds SET pubsub_state = 0
 301                                                 WHERE id = '$feed_id'");
 302
 303                                         print $_REQUEST['hub_challenge'];
 304                                         return;
 305
 306                                 } else if (!$mode) {
 307
 308                                         // Received update ping, schedule feed update.
 309                                         //update_rss_feed($feed_id, true, true);
 310
 311                                         $this->dbh->query("UPDATE ttrss_feeds SET
 312                                                 last_update_started = '1970-01-01',
 313                                                 last_updated = '1970-01-01' WHERE id = '$feed_id'");
 314
 315                                 }
 316                         } else {
 317                                 header('HTTP/1.0 404 Not Found');
 318                                 echo "404 Not found";
 319                         }
 320                 } else {
 321                         header('HTTP/1.0 404 Not Found');
 322                         echo "404 Not found";
 323                 }
 324
 325         }
 326
 327         function logout() {
 328                 logout_user();
 329                 header("Location: index.php");
 330         }
 331
 332         function share() {
 333                 $uuid = $this->dbh->escape_string($_REQUEST["key"]);
 334
 335                 $result = $this->dbh->query("SELECT ref_id, owner_uid FROM ttrss_user_entries WHERE
 336                         uuid = '$uuid'");
 337
 338                 if ($this->dbh->num_rows($result) != 0) {
 339                         header("Content-Type: text/html");
 340
 341                         $id = $this->dbh->fetch_result($result, 0, "ref_id");
 342                         $owner_uid = $this->dbh->fetch_result($result, 0, "owner_uid");
 343
 344                         $article = format_article($id, false, true, $owner_uid);
 345
 346                         print_r($article['content']);
 347
 348                 } else {
 349                         print "Article not found.";
 350                 }
 351
 352         }
 353
 354         function rss() {
 355                 $feed = $this->dbh->escape_string($_REQUEST["id"]);
 356                 $key = $this->dbh->escape_string($_REQUEST["key"]);
 357                 $is_cat = sql_bool_to_bool($_REQUEST["is_cat"]);
 358                 $limit = (int)$this->dbh->escape_string($_REQUEST["limit"]);
 359                 $offset = (int)$this->dbh->escape_string($_REQUEST["offset"]);
 360
 361                 $search = $this->dbh->escape_string($_REQUEST["q"]);
 362                 $search_mode = $this->dbh->escape_string($_REQUEST["smode"]);
 363                 $view_mode = $this->dbh->escape_string($_REQUEST["view-mode"]);
 364                 $order = $this->dbh->escape_string($_REQUEST["order"]);
 365
 366                 $format = $this->dbh->escape_string($_REQUEST['format']);
 367                 $orig_guid = !sql_bool_to_bool($_REQUEST["no_orig_guid"]);
 368
 369                 if (!$format) $format = 'atom';
 370
 371                 if (SINGLE_USER_MODE) {
 372                         authenticate_user("admin", null);
 373                 }
 374
 375                 $owner_id = false;
 376
 377                 if ($key) {
 378                         $result = $this->dbh->query("SELECT owner_uid FROM
 379                                 ttrss_access_keys WHERE access_key = '$key' AND feed_id = '$feed'");
 380
 381                         if ($this->dbh->num_rows($result) == 1)
 382                                 $owner_id = $this->dbh->fetch_result($result, 0, "owner_uid");
 383                 }
 384
 385                 if ($owner_id) {
 386                         $this->generate_syndicated_feed($owner_id, $feed, $is_cat, $limit,
 387                                 $offset, $search, $search_mode, $view_mode, $format, $order, $orig_guid);
 388                 } else {
 389                         header('HTTP/1.1 403 Forbidden');
 390                 }
 391         }
 392
 393         function updateTask() {
 394
 395                 PluginHost::getInstance()->run_hooks(PluginHost::HOOK_UPDATE_TASK, "hook_update_task", $op);
 396         }
 397
 398         function globalUpdateFeeds() {
 399                 RPC::updaterandomfeed_real($this->dbh);
 400
 401                 PluginHost::getInstance()->run_hooks(PluginHost::HOOK_UPDATE_TASK, "hook_update_task", $op);
 402         }
 403
 404         function sharepopup() {
 405                 if (SINGLE_USER_MODE) {
 406                         login_sequence();
 407                 }
 408
 409                 header('Content-Type: text/html; charset=utf-8');
 410                 print "<html><head><title>Tiny Tiny RSS</title>";
 411
 412                 stylesheet_tag("css/utility.css");
 413                 javascript_tag("lib/prototype.js");
 414                 javascript_tag("lib/scriptaculous/scriptaculous.js?load=effects,dragdrop,controls");
 415                 print "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
 416                         </head><body id='sharepopup'>";
 417
 418                 $action = $_REQUEST["action"];
 419
 420                 if ($_SESSION["uid"]) {
 421
 422                         if ($action == 'share') {
 423
 424                                 $title = $this->dbh->escape_string(strip_tags($_REQUEST["title"]));
 425                                 $url = $this->dbh->escape_string(strip_tags($_REQUEST["url"]));
 426                                 $content = $this->dbh->escape_string(strip_tags($_REQUEST["content"]));
 427                                 $labels = $this->dbh->escape_string(strip_tags($_REQUEST["labels"]));
 428
 429                                 Article::create_published_article($title, $url, $content, $labels,
 430                                         $_SESSION["uid"]);
 431
 432                                 print "<script type='text/javascript'>";
 433                                 print "window.close();";
 434                                 print "</script>";
 435
 436                         } else {
 437                                 $title = htmlspecialchars($_REQUEST["title"]);
 438                                 $url = htmlspecialchars($_REQUEST["url"]);
 439
 440                                 ?>
 441
 442                                 <table height='100%' width='100%'><tr><td colspan='2'>
 443                                 <h1><?php echo __("Share with Tiny Tiny RSS") ?></h1>
 444                                 </td></tr>
 445
 446                                 <form id='share_form' name='share_form'>
 447
 448                                 <input type="hidden" name="op" value="sharepopup">
 449                                 <input type="hidden" name="action" value="share">
 450
 451                                 <tr><td align='right'><?php echo __("Title:") ?></td>
 452                                 <td width='80%'><input name='title' value="<?php echo $title ?>"></td></tr>
 453                                 <tr><td align='right'><?php echo __("URL:") ?></td>
 454                                 <td><input name='url' value="<?php echo $url ?>"></td></tr>
 455                                 <tr><td align='right'><?php echo __("Content:") ?></td>
 456                                 <td><input name='content' value=""></td></tr>
 457                                 <tr><td align='right'><?php echo __("Labels:") ?></td>
 458                                 <td><input name='labels' id="labels_value"
 459                                         placeholder='Alpha, Beta, Gamma' value="">
 460                                 </td></tr>
 461
 462                                 <tr><td>
 463                                         <div class="autocomplete" id="labels_choices"
 464                                                 style="display : block"></div></td></tr>
 465
 466                                 <script type='text/javascript'>document.forms[0].title.focus();</script>
 467
 468                                 <script type='text/javascript'>
 469                                         new Ajax.Autocompleter('labels_value', 'labels_choices',
 470                                    "backend.php?op=rpc&method=completeLabels",
 471                                    { tokens: ',', paramName: "search" });
 472                                 </script>
 473
 474                                 <tr><td colspan='2'>
 475                                         <div style='float : right' class='insensitive-small'>
 476                                         <?php echo __("Shared article will appear in the Published feed.") ?>
 477                                         </div>
 478                                         <button type="submit"><?php echo __('Share') ?></button>
 479                                         <button onclick="return window.close()"><?php echo __('Cancel') ?></button>
 480                                         </div>
 481
 482                                 </form>
 483                                 </td></tr></table>
 484                                 </body></html>
 485                                 <?php
 486
 487                         }
 488
 489                 } else {
 490
 491                         $return = urlencode($_SERVER["REQUEST_URI"])
 492                         ?>
 493
 494                         <form action="public.php?return=<?php echo $return ?>"
 495                                 method="POST" id="loginForm" name="loginForm">
 496
 497                         <input type="hidden" name="op" value="login">
 498
 499                         <table height='100%' width='100%'><tr><td colspan='2'>
 500                         <h1><?php echo __("Not logged in") ?></h1></td></tr>
 501
 502                         <tr><td align="right"><?php echo __("Login:") ?></td>
 503                         <td align="right"><input name="login"
 504                                 value="<?php echo $_SESSION["fake_login"] ?>"></td></tr>
 505                                 <tr><td align="right"><?php echo __("Password:") ?></td>
 506                                 <td align="right"><input type="password" name="password"
 507                                 value="<?php echo $_SESSION["fake_password"] ?>"></td></tr>
 508                         <tr><td colspan='2'>
 509                                 <button type="submit">
 510                                         <?php echo __('Log in') ?></button>
 511
 512                                 <button onclick="return window.close()">
 513                                         <?php echo __('Cancel') ?></button>
 514                         </td></tr>
 515                         </table>
 516
 517                         </form>
 518                         <?php
 519                 }
 520         }
 521
 522         function login() {
 523                 if (!SINGLE_USER_MODE) {
 524
 525                         $login = $this->dbh->escape_string($_POST["login"]);
 526                         $password = $_POST["password"];
 527                         $remember_me = $_POST["remember_me"];
 528
 529                         if ($remember_me) {
 530                                 session_set_cookie_params(SESSION_COOKIE_LIFETIME);
 531                         } else {
 532                                 session_set_cookie_params(0);
 533                         }
 534
 535                         @session_start();
 536
 537                         if (authenticate_user($login, $password)) {
 538                                 $_POST["password"] = "";
 539
 540                                 if (get_schema_version() >= 120) {
 541                                         $_SESSION["language"] = get_pref("USER_LANGUAGE", $_SESSION["uid"]);
 542                                 }
 543
 544                                 $_SESSION["ref_schema_version"] = get_schema_version(true);
 545                                 $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
 546
 547                                 if ($_POST["profile"]) {
 548
 549                                         $profile = $this->dbh->escape_string($_POST["profile"]);
 550
 551                                         $result = $this->dbh->query("SELECT id FROM ttrss_settings_profiles
 552                                                 WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
 553
 554                                         if ($this->dbh->num_rows($result) != 0) {
 555                                                 $_SESSION["profile"] = $profile;
 556                                         }
 557                                 }
 558                         } else {
 559                                 $_SESSION["login_error_msg"] = __("Incorrect username or password");
 560                                 user_error("Failed login attempt from {$_SERVER['REMOTE_ADDR']}", E_USER_WARNING);
 561                         }
 562
 563                         if ($_REQUEST['return']) {
 564                                 header("Location: " . $_REQUEST['return']);
 565                         } else {
 566                                 header("Location: " . SELF_URL_PATH);
 567                         }
 568                 }
 569         }
 570
 571         function subscribe() {
 572                 if (SINGLE_USER_MODE) {
 573                         login_sequence();
 574                 }
 575
 576                 if ($_SESSION["uid"]) {
 577
 578                         $feed_url = $this->dbh->escape_string(trim($_REQUEST["feed_url"]));
 579
 580                         header('Content-Type: text/html; charset=utf-8');
 581                         print "<html>
 582                                 <head>
 583                                         <title>Tiny Tiny RSS</title>
 584                                         <link rel=\"stylesheet\" type=\"text/css\" href=\"css/utility.css\">
 585                                         <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
 586                                 </head>
 587                                 <body>
 588                                 <img class=\"floatingLogo\" src=\"images/logo_small.png\"
 589                                         alt=\"Tiny Tiny RSS\"/>
 590                                         <h1>".__("Subscribe to feed...")."</h1><div class='content'>";
 591
 592                         $rc = subscribe_to_feed($feed_url);
 593
 594                         switch ($rc['code']) {
 595                         case 0:
 596                                 print_warning(T_sprintf("Already subscribed to <b>%s</b>.", $feed_url));
 597                                 break;
 598                         case 1:
 599                                 print_notice(T_sprintf("Subscribed to <b>%s</b>.", $feed_url));
 600                                 break;
 601                         case 2:
 602                                 print_error(T_sprintf("Could not subscribe to <b>%s</b>.", $feed_url));
 603                                 break;
 604                         case 3:
 605                                 print_error(T_sprintf("No feeds found in <b>%s</b>.", $feed_url));
 606                                 break;
 607                         case 4:
 608                                 print_notice(__("Multiple feed URLs found."));
 609                                 $feed_urls = $rc["feeds"];
 610                                 break;
 611                         case 5:
 612                                 print_error(T_sprintf("Could not subscribe to <b>%s</b>.<br>Can't download the Feed URL.", $feed_url));
 613                                 break;
 614                         }
 615
 616                         if ($feed_urls) {
 617
 618                                 print "<form action=\"public.php\">";
 619                                 print "<input type=\"hidden\" name=\"op\" value=\"subscribe\">";
 620
 621                                 print "<select name=\"feed_url\">";
 622
 623                                 foreach ($feed_urls as $url => $name) {
 624                                         $url = htmlspecialchars($url);
 625                                         $name = htmlspecialchars($name);
 626
 627                                         print "<option value=\"$url\">$name</option>";
 628                                 }
 629
 630                                 print "<input type=\"submit\" value=\"".__("Subscribe to selected feed").
 631                                         "\">";
 632
 633                                 print "</form>";
 634                         }
 635
 636                         $tp_uri = get_self_url_prefix() . "/prefs.php";
 637                         $tt_uri = get_self_url_prefix();
 638
 639                         if ($rc['code'] <= 2){
 640                                 $result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
 641                                         feed_url = '$feed_url' AND owner_uid = " . $_SESSION["uid"]);
 642
 643                                 $feed_id = $this->dbh->fetch_result($result, 0, "id");
 644                         } else {
 645                                 $feed_id = 0;
 646                         }
 647                         print "<p>";
 648
 649                         if ($feed_id) {
 650                                 print "<form method=\"GET\" style='display: inline'
 651                                         action=\"$tp_uri\">
 652                                         <input type=\"hidden\" name=\"tab\" value=\"feedConfig\">
 653                                         <input type=\"hidden\" name=\"method\" value=\"editFeed\">
 654                                         <input type=\"hidden\" name=\"methodparam\" value=\"$feed_id\">
 655                                         <input type=\"submit\" value=\"".__("Edit subscription options")."\">
 656                                         </form>";
 657                         }
 658
 659                         print "<form style='display: inline' method=\"GET\" action=\"$tt_uri\">
 660                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 661                                 </form></p>";
 662
 663                         print "</div></body></html>";
 664
 665                 } else {
 666                         render_login_form();
 667                 }
 668         }
 669
 670         function subscribe2() {
 671                 $feed_url = $this->dbh->escape_string(trim($_REQUEST["feed_url"]));
 672                 $cat_id = $this->dbh->escape_string($_REQUEST["cat_id"]);
 673                 $from = $this->dbh->escape_string($_REQUEST["from"]);
 674                 $feed_urls = array();
 675
 676                 /* only read authentication information from POST */
 677
 678                 $auth_login = $this->dbh->escape_string(trim($_POST["auth_login"]));
 679                 $auth_pass = $this->dbh->escape_string(trim($_POST["auth_pass"]));
 680
 681                 $rc = subscribe_to_feed($feed_url, $cat_id, $auth_login, $auth_pass);
 682
 683                 switch ($rc) {
 684                 case 1:
 685                         print_notice(T_sprintf("Subscribed to <b>%s</b>.", $feed_url));
 686                         break;
 687                 case 2:
 688                         print_error(T_sprintf("Could not subscribe to <b>%s</b>.", $feed_url));
 689                         break;
 690                 case 3:
 691                         print_error(T_sprintf("No feeds found in <b>%s</b>.", $feed_url));
 692                         break;
 693                 case 0:
 694                         print_warning(T_sprintf("Already subscribed to <b>%s</b>.", $feed_url));
 695                         break;
 696                 case 4:
 697                         print_notice(__("Multiple feed URLs found."));
 698                         $contents = @fetch_file_contents($url, false, $auth_login, $auth_pass);
 699                         if (is_html($contents)) {
 700                                 $feed_urls = get_feeds_from_html($url, $contents);
 701                         }
 702                         break;
 703                 case 5:
 704                         print_error(T_sprintf("Could not subscribe to <b>%s</b>.<br>Can't download the Feed URL.", $feed_url));
 705                         break;
 706                 }
 707
 708                 if ($feed_urls) {
 709                         print "<form action=\"backend.php\">";
 710                         print "<input type=\"hidden\" name=\"op\" value=\"pref-feeds\">";
 711                         print "<input type=\"hidden\" name=\"quiet\" value=\"1\">";
 712                         print "<input type=\"hidden\" name=\"method\" value=\"add\">";
 713
 714                         print "<select name=\"feed_url\">";
 715
 716                         foreach ($feed_urls as $url => $name) {
 717                                 $url = htmlspecialchars($url);
 718                                 $name = htmlspecialchars($name);
 719                                 print "<option value=\"$url\">$name</option>";
 720                         }
 721
 722                         print "<input type=\"submit\" value=\"".__("Subscribe to selected feed")."\">";
 723                         print "</form>";
 724                 }
 725
 726                 $tp_uri = get_self_url_prefix() . "/prefs.php";
 727                 $tt_uri = get_self_url_prefix();
 728
 729                 if ($rc <= 2){
 730                         $result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
 731                                 feed_url = '$feed_url' AND owner_uid = " . $_SESSION["uid"]);
 732
 733                         $feed_id = $this->dbh->fetch_result($result, 0, "id");
 734                 } else {
 735                         $feed_id = 0;
 736                 }
 737
 738                 print "<p>";
 739
 740                 if ($feed_id) {
 741                         print "<form method=\"GET\" style='display: inline'
 742                                 action=\"$tp_uri\">
 743                                 <input type=\"hidden\" name=\"tab\" value=\"feedConfig\">
 744                                 <input type=\"hidden\" name=\"method\" value=\"editFeed\">
 745                                 <input type=\"hidden\" name=\"methodparam\" value=\"$feed_id\">
 746                                 <input type=\"submit\" value=\"".__("Edit subscription options")."\">
 747                                 </form>";
 748                 }
 749
 750                 print "<form style='display: inline' method=\"GET\" action=\"$tt_uri\">
 751                         <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 752                         </form></p>";
 753
 754                 print "</body></html>";
 755         }
 756
 757         function index() {
 758                 header("Content-Type: text/plain");
 759                 print json_encode(array("error" => array("code" => 7)));
 760         }
 761
 762         function forgotpass() {
 763                 startup_gettext();
 764
 765                 header('Content-Type: text/html; charset=utf-8');
 766                 print "<html><head><title>Tiny Tiny RSS</title>";
 767
 768                 stylesheet_tag("css/utility.css");
 769                 javascript_tag("lib/prototype.js");
 770
 771                 print "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
 772                         </head><body id='forgotpass'>";
 773
 774                 print '<div class="floatingLogo"><img src="images/logo_small.png"></div>';
 775                 print "<h1>".__("Password recovery")."</h1>";
 776                 print "<div class='content'>";
 777
 778                 @$method = $_POST['method'];
 779
 780                 if (!$method) {
 781                         print_notice(__("You will need to provide valid account name and email. New password will be sent on your email address."));
 782
 783                         print "<form method='POST' action='public.php'>";
 784                         print "<input type='hidden' name='method' value='do'>";
 785                         print "<input type='hidden' name='op' value='forgotpass'>";
 786
 787                         print "<fieldset>";
 788                         print "<label>".__("Login:")."</label>";
 789                         print "<input type='text' name='login' value='' required>";
 790                         print "</fieldset>";
 791
 792                         print "<fieldset>";
 793                         print "<label>".__("Email:")."</label>";
 794                         print "<input type='email' name='email' value='' required>";
 795                         print "</fieldset>";
 796
 797                         print "<fieldset>";
 798                         print "<label>".__("How much is two plus two:")."</label>";
 799                         print "<input type='text' name='test' value='' required>";
 800                         print "</fieldset>";
 801
 802                         print "<p/>";
 803                         print "<button type='submit'>".__("Reset password")."</button>";
 804
 805                         print "</form>";
 806                 } else if ($method == 'do') {
 807
 808                         $login = $this->dbh->escape_string($_POST["login"]);
 809                         $email = $this->dbh->escape_string($_POST["email"]);
 810                         $test = $this->dbh->escape_string($_POST["test"]);
 811
 812                         if (($test != 4 && $test != 'four') || !$email || !$login) {
 813                                 print_error(__('Some of the required form parameters are missing or incorrect.'));
 814
 815                                 print "<form method=\"GET\" action=\"public.php\">
 816                                         <input type=\"hidden\" name=\"op\" value=\"forgotpass\">
 817                                         <input type=\"submit\" value=\"".__("Go back")."\">
 818                                         </form>";
 819
 820                         } else {
 821
 822                                 $result = $this->dbh->query("SELECT id FROM ttrss_users
 823                                         WHERE login = '$login' AND email = '$email'");
 824
 825                                 if ($this->dbh->num_rows($result) != 0) {
 826                                         $id = $this->dbh->fetch_result($result, 0, "id");
 827
 828                                         Pref_Users::resetUserPassword($id, false);
 829
 830                                         print "<p>";
 831
 832                                         print "<p>"."Completed."."</p>";
 833
 834                                         print "<form method=\"GET\" action=\"index.php\">
 835                                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 836                                                 </form>";
 837
 838                                 } else {
 839                                         print_error(__("Sorry, login and email combination not found."));
 840
 841                                         print "<form method=\"GET\" action=\"public.php\">
 842                                                 <input type=\"hidden\" name=\"op\" value=\"forgotpass\">
 843                                                 <input type=\"submit\" value=\"".__("Go back")."\">
 844                                                 </form>";
 845
 846                                 }
 847                         }
 848
 849                 }
 850
 851                 print "</div>";
 852                 print "</body>";
 853                 print "</html>";
 854
 855         }
 856
 857         function dbupdate() {
 858                 startup_gettext();
 859
 860                 if (!SINGLE_USER_MODE && $_SESSION["access_level"] < 10) {
 861                         $_SESSION["login_error_msg"] = __("Your access level is insufficient to run this script.");
 862                         render_login_form();
 863                         exit;
 864                 }
 865
 866                 ?><html>
 867                         <head>
 868                         <title>Database Updater</title>
 869                         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
 870                         <link rel="stylesheet" type="text/css" href="css/utility.css"/>
 871                         </head>
 872                         <style type="text/css">
 873                                 span.ok { color : #009000; font-weight : bold; }
 874                                 span.err { color : #ff0000; font-weight : bold; }
 875                         </style>
 876                 <body>
 877                         <script type='text/javascript'>
 878                         function confirmOP() {
 879                                 return confirm("Update the database?");
 880                         }
 881                         </script>
 882
 883                         <div class="floatingLogo"><img src="images/logo_small.png"></div>
 884
 885                         <h1><?php echo __("Database Updater") ?></h1>
 886
 887                         <div class="content">
 888
 889                         <?php
 890                                 @$op = $_REQUEST["subop"];
 891                                 $updater = new DbUpdater(Db::get(), DB_TYPE, SCHEMA_VERSION);
 892
 893                                 if ($op == "performupdate") {
 894                                         if ($updater->isUpdateRequired()) {
 895
 896                                                 print "<h2>Performing updates</h2>";
 897
 898                                                 print "<h3>Updating to schema version " . SCHEMA_VERSION . "</h3>";
 899
 900                                                 print "<ul>";
 901
 902                                                 for ($i = $updater->getSchemaVersion() + 1; $i <= SCHEMA_VERSION; $i++) {
 903                                                         print "<li>Performing update up to version $i...";
 904
 905                                                         $result = $updater->performUpdateTo($i);
 906
 907                                                         if (!$result) {
 908                                                                 print "<span class='err'>FAILED!</span></li></ul>";
 909
 910                                                                 print_warning("One of the updates failed. Either retry the process or perform updates manually.");
 911                                                                 print "<p><form method=\"GET\" action=\"index.php\">
 912                                                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 913                                                                 </form>";
 914
 915                                                                 break;
 916                                                         } else {
 917                                                                 print "<span class='ok'>OK!</span></li>";
 918                                                         }
 919                                                 }
 920
 921                                                 print "</ul>";
 922
 923                                                 print_notice("Your Tiny Tiny RSS database is now updated to the latest version.");
 924
 925                                                 print "<p><form method=\"GET\" action=\"index.php\">
 926                                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 927                                                 </form>";
 928
 929                                         } else {
 930                                                 print "<h2>Your database is up to date.</h2>";
 931
 932                                                 print "<p><form method=\"GET\" action=\"index.php\">
 933                                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 934                                                 </form>";
 935                                         }
 936                                 } else {
 937                                         if ($updater->isUpdateRequired()) {
 938
 939                                                 print "<h2>Database update required</h2>";
 940
 941                                                 print "<h3>";
 942                                                 printf("Your Tiny Tiny RSS database needs update to the latest version: %d to %d.",
 943                                                         $updater->getSchemaVersion(), SCHEMA_VERSION);
 944                                                 print "</h3>";
 945
 946                                                 print_warning("Please backup your database before proceeding.");
 947
 948                                                 print "<form method='POST'>
 949                                                         <input type='hidden' name='subop' value='performupdate'>
 950                                                         <input type='submit' onclick='return confirmOP()' value='".__("Perform updates")."'>
 951                                                 </form>";
 952
 953                                         } else {
 954
 955                                                 print_notice("Tiny Tiny RSS database is up to date.");
 956
 957                                                 print "<p><form method=\"GET\" action=\"index.php\">
 958                                                         <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 959                                                 </form>";
 960
 961                                         }
 962                                 }
 963                         ?>
 964
 965                         </div>
 966                         </body>
 967                         </html>
 968                 <?php
 969         }
 970
 971 }
 972 ?>