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,
   6                 $view_mode = false, $format = 'atom', $order = false, $orig_guid = false, $start_ts = 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                 $date_check_field = "date_entered";
  19
  20                 if ($feed == -2 && !$is_cat) {
  21                         $date_sort_field = "last_published DESC";
  22                         $date_check_field = "last_published";
  23                 } else if ($feed == -1 && !$is_cat) {
  24                         $date_sort_field = "last_marked DESC";
  25                         $date_check_field = "last_marked";
  26                 }
  27
  28                 switch ($order) {
  29                 case "title":
  30                         $date_sort_field = "ttrss_entries.title, date_entered, updated";
  31                         break;
  32                 case "date_reverse":
  33                         $date_sort_field = "date_entered, updated";
  34                         break;
  35                 case "feed_dates":
  36                         $date_sort_field = "updated DESC";
  37                         break;
  38                 }
  39
  40                 $params = array(
  41                         "owner_uid" => $owner_uid,
  42                         "feed" => $feed,
  43                         "limit" => 1,
  44                         "view_mode" => $view_mode,
  45                         "cat_view" => $is_cat,
  46                         "search" => $search,
  47                         "override_order" => $date_sort_field,
  48                         "include_children" => true,
  49                         "ignore_vfeed_group" => true,
  50                         "offset" => $offset,
  51                         "start_ts" => $start_ts
  52                 );
  53
  54                 $qfh_ret = Feeds::queryFeedHeadlines($params);
  55
  56                 $result = $qfh_ret[0];
  57
  58                 if (db_num_rows($result) != 0) {
  59
  60                         $ts = strtotime(db_fetch_result($result, 0, $date_check_field));
  61
  62                         if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) &&
  63                                         strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) >= $ts) {
  64                       header('HTTP/1.0 304 Not Modified');
  65                       return;
  66                         }
  67
  68                         $last_modified = gmdate("D, d M Y H:i:s", $ts) . " GMT";
  69                         header("Last-Modified: $last_modified", true);
  70                 }
  71
  72                 $params = array(
  73                         "owner_uid" => $owner_uid,
  74                         "feed" => $feed,
  75                         "limit" => $limit,
  76                         "view_mode" => $view_mode,
  77                         "cat_view" => $is_cat,
  78                         "search" => $search,
  79                         "override_order" => $date_sort_field,
  80                         "include_children" => true,
  81                         "ignore_vfeed_group" => true,
  82                         "offset" => $offset,
  83                         "start_ts" => $start_ts
  84                 );
  85
  86                 $qfh_ret = Feeds::queryFeedHeadlines($params);
  87
  88                 $result = $qfh_ret[0];
  89                 $feed_title = htmlspecialchars($qfh_ret[1]);
  90                 $feed_site_url = $qfh_ret[2];
  91                 /* $last_error = $qfh_ret[3]; */
  92
  93                 $feed_self_url = get_self_url_prefix() .
  94                         "/public.php?op=rss&id=$feed&key=" .
  95                         get_feed_access_key($feed, false, $owner_uid);
  96
  97                 if (!$feed_site_url) $feed_site_url = get_self_url_prefix();
  98
  99                 if ($format == 'atom') {
 100                         $tpl = new MiniTemplator;
 101
 102                         $tpl->readTemplateFromFile("templates/generated_feed.txt");
 103
 104                         $tpl->setVariable('FEED_TITLE', $feed_title, true);
 105                         $tpl->setVariable('VERSION', VERSION, true);
 106                         $tpl->setVariable('FEED_URL', htmlspecialchars($feed_self_url), true);
 107
 108                         $tpl->setVariable('SELF_URL', htmlspecialchars(get_self_url_prefix()), true);
 109                         while ($line = db_fetch_assoc($result)) {
 110
 111                                 $line["content_preview"] = sanitize(truncate_string(strip_tags($line["content"]), 100, '...'));
 112
 113                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
 114                                         $line = $p->hook_query_headlines($line);
 115                                 }
 116
 117                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_EXPORT_FEED) as $p) {
 118                                         $line = $p->hook_article_export_feed($line, $feed, $is_cat);
 119                                 }
 120
 121                                 $tpl->setVariable('ARTICLE_ID',
 122                                         htmlspecialchars($orig_guid ? $line['link'] :
 123                                                         $this->make_article_tag_uri($line['id'], $line['date_entered'])), true);
 124                                 $tpl->setVariable('ARTICLE_LINK', htmlspecialchars($line['link']), true);
 125                                 $tpl->setVariable('ARTICLE_TITLE', htmlspecialchars($line['title']), true);
 126                                 $tpl->setVariable('ARTICLE_EXCERPT', $line["content_preview"], true);
 127
 128                                 $content = sanitize($line["content"], false, $owner_uid,
 129                                         $feed_site_url, false, $line["id"]);
 130
 131                                 if ($line['note']) {
 132                                         $content = "<div style=\"$note_style\">Article note: " . $line['note'] . "</div>" .
 133                                                 $content;
 134                                         $tpl->setVariable('ARTICLE_NOTE', htmlspecialchars($line['note']), true);
 135                                 }
 136
 137                                 $tpl->setVariable('ARTICLE_CONTENT', $content, true);
 138
 139                                 $tpl->setVariable('ARTICLE_UPDATED_ATOM',
 140                                         date('c', strtotime($line["updated"])), true);
 141                                 $tpl->setVariable('ARTICLE_UPDATED_RFC822',
 142                                         date(DATE_RFC822, strtotime($line["updated"])), true);
 143
 144                                 $tpl->setVariable('ARTICLE_AUTHOR', htmlspecialchars($line['author']), true);
 145
 146                                 $tpl->setVariable('ARTICLE_SOURCE_LINK', htmlspecialchars($line['site_url'] ? $line["site_url"] : get_self_url_prefix()), true);
 147                                 $tpl->setVariable('ARTICLE_SOURCE_TITLE', htmlspecialchars($line['feed_title'] ? $line['feed_title'] : $feed_title), true);
 148
 149                                 $tags = Article::get_article_tags($line["id"], $owner_uid);
 150
 151                                 foreach ($tags as $tag) {
 152                                         $tpl->setVariable('ARTICLE_CATEGORY', htmlspecialchars($tag), true);
 153                                         $tpl->addBlock('category');
 154                                 }
 155
 156                                 $enclosures = Article::get_article_enclosures($line["id"]);
 157
 158                                 foreach ($enclosures as $e) {
 159                                         $type = htmlspecialchars($e['content_type']);
 160                                         $url = htmlspecialchars($e['content_url']);
 161                                         $length = $e['duration'] ? $e['duration'] : 1;
 162
 163                                         $tpl->setVariable('ARTICLE_ENCLOSURE_URL', $url, true);
 164                                         $tpl->setVariable('ARTICLE_ENCLOSURE_TYPE', $type, true);
 165                                         $tpl->setVariable('ARTICLE_ENCLOSURE_LENGTH', $length, true);
 166
 167                                         $tpl->addBlock('enclosure');
 168                                 }
 169
 170                                 $tpl->addBlock('entry');
 171                         }
 172
 173                         $tmp = "";
 174
 175                         $tpl->addBlock('feed');
 176                         $tpl->generateOutputToString($tmp);
 177
 178                         if (@!$_REQUEST["noxml"]) {
 179                                 header("Content-Type: text/xml; charset=utf-8");
 180                         } else {
 181                                 header("Content-Type: text/plain; charset=utf-8");
 182                         }
 183
 184                         print $tmp;
 185                 } else if ($format == 'json') {
 186
 187                         $feed = array();
 188
 189                         $feed['title'] = $feed_title;
 190                         $feed['version'] = VERSION;
 191                         $feed['feed_url'] = $feed_self_url;
 192
 193                         $feed['self_url'] = get_self_url_prefix();
 194
 195                         $feed['articles'] = array();
 196
 197                         while ($line = db_fetch_assoc($result)) {
 198
 199                                 $line["content_preview"] = sanitize(truncate_string(strip_tags($line["content_preview"]), 100, '...'));
 200
 201                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
 202                                         $line = $p->hook_query_headlines($line, 100);
 203                                 }
 204
 205                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_EXPORT_FEED) as $p) {
 206                                         $line = $p->hook_article_export_feed($line, $feed, $is_cat);
 207                                 }
 208
 209                                 $article = array();
 210
 211                                 $article['id'] = $line['link'];
 212                                 $article['link']        = $line['link'];
 213                                 $article['title'] = $line['title'];
 214                                 $article['excerpt'] = $line["content_preview"];
 215                                 $article['content'] = sanitize($line["content"], false, $owner_uid, $feed_site_url, false, $line["id"]);
 216                                 $article['updated'] = date('c', strtotime($line["updated"]));
 217
 218                                 if ($line['note']) $article['note'] = $line['note'];
 219                                 if ($article['author']) $article['author'] = $line['author'];
 220
 221                                 $tags = Article::get_article_tags($line["id"], $owner_uid);
 222
 223                                 if (count($tags) > 0) {
 224                                         $article['tags'] = array();
 225
 226                                         foreach ($tags as $tag) {
 227                                                 array_push($article['tags'], $tag);
 228                                         }
 229                                 }
 230
 231                                 $enclosures = Article::get_article_enclosures($line["id"]);
 232
 233                                 if (count($enclosures) > 0) {
 234                                         $article['enclosures'] = array();
 235
 236                                         foreach ($enclosures as $e) {
 237                                                 $type = $e['content_type'];
 238                                                 $url = $e['content_url'];
 239                                                 $length = $e['duration'];
 240
 241                                                 array_push($article['enclosures'], array("url" => $url, "type" => $type, "length" => $length));
 242                                         }
 243                                 }
 244
 245                                 array_push($feed['articles'], $article);
 246                         }
 247
 248                         header("Content-Type: text/json; charset=utf-8");
 249                         print json_encode($feed);
 250
 251                 } else {
 252                         header("Content-Type: text/plain; charset=utf-8");
 253                         print json_encode(array("error" => array("message" => "Unknown format")));
 254                 }
 255         }
 256
 257         function getUnread() {
 258                 $login = $_REQUEST["login"];
 259                 $fresh = $_REQUEST["fresh"] == "1";
 260
 261                 $sth = $this->pdo->prepare("SELECT id FROM ttrss_users WHERE login = ?");
 262                 $sth->execute([$login]);
 263
 264                 if ($row = $sth->fetch()) {
 265                         $uid = $row["id"];
 266
 267                         print Feeds::getGlobalUnread($uid);
 268
 269                         if ($fresh) {
 270                                 print ";";
 271                                 print Feeds::getFeedArticles(-3, false, true, $uid);
 272                         }
 273
 274                 } else {
 275                         print "-1;User not found";
 276                 }
 277         }
 278
 279         function getProfiles() {
 280                 $login = $_REQUEST["login"];
 281
 282                 $sth = $this->pdo->prepare("SELECT ttrss_settings_profiles.* FROM ttrss_settings_profiles,ttrss_users
 283                         WHERE ttrss_users.id = ttrss_settings_profiles.owner_uid AND login = ? ORDER BY title");
 284                 $sth->execute([$login]);
 285
 286                 print "<select dojoType='dijit.form.Select' style='width : 220px; margin : 0px' name='profile'>";
 287
 288                 print "<option value='0'>" . __("Default profile") . "</option>";
 289
 290                 while ($line = $sth->fetch()) {
 291                         $id = $line["id"];
 292                         $title = $line["title"];
 293
 294                         print "<option value='$id'>$title</option>";
 295                 }
 296
 297                 print "</select>";
 298         }
 299
 300         function logout() {
 301                 logout_user();
 302                 header("Location: index.php");
 303         }
 304
 305         function share() {
 306                 $uuid = $_REQUEST["key"];
 307
 308                 $sth = $this->pdo->prepare("SELECT ref_id, owner_uid FROM ttrss_user_entries WHERE
 309                         uuid = ?");
 310                 $sth->execute([$uuid]);
 311
 312                 if ($row = $sth->fetch()) {
 313                         header("Content-Type: text/html");
 314
 315                         $id = $row["ref_id"];
 316                         $owner_uid = $row["owner_uid"];
 317
 318                         $article = Article::format_article($id, false, true, $owner_uid);
 319
 320                         print_r($article['content']);
 321
 322                 } else {
 323                         print "Article not found.";
 324                 }
 325
 326         }
 327
 328         function rss() {
 329                 $feed = $_REQUEST["id"];
 330                 $key = $_REQUEST["key"];
 331                 $is_cat = sql_bool_to_bool($_REQUEST["is_cat"]);
 332                 $limit = (int)$_REQUEST["limit"];
 333                 $offset = (int)$_REQUEST["offset"];
 334
 335                 $search = $_REQUEST["q"];
 336                 $view_mode = $_REQUEST["view-mode"];
 337                 $order = $_REQUEST["order"];
 338                 $start_ts = $_REQUEST["ts"];
 339
 340                 $format = $_REQUEST['format'];
 341                 $orig_guid = sql_bool_to_bool($_REQUEST["orig_guid"]);
 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                         $sth = $this->pdo->prepare("SELECT owner_uid FROM
 353                                 ttrss_access_keys WHERE access_key = ? AND feed_id = ?");
 354                         $sth->execute([$key, $feed]);
 355
 356                         if ($row = $sth->fetch())
 357                                 $owner_id = $row["owner_uid"];
 358                 }
 359
 360                 if ($owner_id) {
 361                         $this->generate_syndicated_feed($owner_id, $feed, $is_cat, $limit,
 362                                 $offset, $search, $view_mode, $format, $order, $orig_guid, $start_ts);
 363                 } else {
 364                         header('HTTP/1.1 403 Forbidden');
 365                 }
 366         }
 367
 368         function updateTask() {
 369                 PluginHost::getInstance()->run_hooks(PluginHost::HOOK_UPDATE_TASK, "hook_update_task", false);
 370         }
 371
 372         function housekeepingTask() {
 373                 PluginHost::getInstance()->run_hooks(PluginHost::HOOK_HOUSE_KEEPING, "hook_house_keeping", false);
 374         }
 375
 376         function globalUpdateFeeds() {
 377                 RPC::updaterandomfeed_real($this->dbh);
 378
 379                 PluginHost::getInstance()->run_hooks(PluginHost::HOOK_UPDATE_TASK, "hook_update_task", false);
 380         }
 381
 382         function sharepopup() {
 383                 if (SINGLE_USER_MODE) {
 384                         login_sequence();
 385                 }
 386
 387                 header('Content-Type: text/html; charset=utf-8');
 388                 print "<html><head><title>Tiny Tiny RSS</title>
 389                 <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
 390                 <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">";
 391
 392                 echo stylesheet_tag("css/utility.css");
 393                 echo stylesheet_tag("css/default.css");
 394                 echo javascript_tag("lib/prototype.js");
 395                 echo javascript_tag("lib/scriptaculous/scriptaculous.js?load=effects,controls");
 396                 print "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
 397                         </head><body id='sharepopup'>";
 398
 399                 $action = $_REQUEST["action"];
 400
 401                 if ($_SESSION["uid"]) {
 402
 403                         if ($action == 'share') {
 404
 405                                 $title = strip_tags($_REQUEST["title"]);
 406                                 $url = strip_tags($_REQUEST["url"]);
 407                                 $content = strip_tags($_REQUEST["content"]);
 408                                 $labels = strip_tags($_REQUEST["labels"]);
 409
 410                                 Article::create_published_article($title, $url, $content, $labels,
 411                                         $_SESSION["uid"]);
 412
 413                                 print "<script type='text/javascript'>";
 414                                 print "window.close();";
 415                                 print "</script>";
 416
 417                         } else {
 418                                 $title = htmlspecialchars($_REQUEST["title"]);
 419                                 $url = htmlspecialchars($_REQUEST["url"]);
 420
 421                                 ?>
 422
 423                                 <table height='100%' width='100%'><tr><td colspan='2'>
 424                                 <h1><?php echo __("Share with Tiny Tiny RSS") ?></h1>
 425                                 </td></tr>
 426
 427                                 <form id='share_form' name='share_form'>
 428
 429                                 <input type="hidden" name="op" value="sharepopup">
 430                                 <input type="hidden" name="action" value="share">
 431
 432                                 <tr><td align='right'><?php echo __("Title:") ?></td>
 433                                 <td width='80%'><input name='title' value="<?php echo $title ?>"></td></tr>
 434                                 <tr><td align='right'><?php echo __("URL:") ?></td>
 435                                 <td><input name='url' value="<?php echo $url ?>"></td></tr>
 436                                 <tr><td align='right'><?php echo __("Content:") ?></td>
 437                                 <td><input name='content' value=""></td></tr>
 438                                 <tr><td align='right'><?php echo __("Labels:") ?></td>
 439                                 <td><input name='labels' id="labels_value"
 440                                         placeholder='Alpha, Beta, Gamma' value="">
 441                                 </td></tr>
 442
 443                                 <tr><td>
 444                                         <div class="autocomplete" id="labels_choices"
 445                                                 style="display : block"></div></td></tr>
 446
 447                                 <script type='text/javascript'>document.forms[0].title.focus();</script>
 448
 449                                 <script type='text/javascript'>
 450                                         new Ajax.Autocompleter('labels_value', 'labels_choices',
 451                                    "backend.php?op=rpc&method=completeLabels",
 452                                    { tokens: ',', paramName: "search" });
 453                                 </script>
 454
 455                                 <tr><td colspan='2'>
 456                                         <div style='float : right' class='insensitive-small'>
 457                                         <?php echo __("Shared article will appear in the Published feed.") ?>
 458                                         </div>
 459                                         <button type="submit"><?php echo __('Share') ?></button>
 460                                         <button onclick="return window.close()"><?php echo __('Cancel') ?></button>
 461                                         </td>
 462
 463                                 </form>
 464                                 </td></tr></table>
 465                                 </body></html>
 466                                 <?php
 467
 468                         }
 469
 470                 } else {
 471
 472                         $return = urlencode($_SERVER["REQUEST_URI"])
 473                         ?>
 474
 475                         <form action="public.php?return=<?php echo $return ?>"
 476                                 method="POST" id="loginForm" name="loginForm">
 477
 478                         <input type="hidden" name="op" value="login">
 479
 480                         <table height='100%' width='100%'><tr><td colspan='2'>
 481                         <h1><?php echo __("Not logged in") ?></h1></td></tr>
 482
 483                         <tr><td align="right"><?php echo __("Login:") ?></td>
 484                         <td align="right"><input name="login"
 485                                 value="<?php echo $_SESSION["fake_login"] ?>"></td></tr>
 486                                 <tr><td align="right"><?php echo __("Password:") ?></td>
 487                                 <td align="right"><input type="password" name="password"
 488                                 value="<?php echo $_SESSION["fake_password"] ?>"></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 = $_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                                 if (get_schema_version() >= 120) {
 522                                         $_SESSION["language"] = get_pref("USER_LANGUAGE", $_SESSION["uid"]);
 523                                 }
 524
 525                                 $_SESSION["ref_schema_version"] = get_schema_version(true);
 526                                 $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
 527
 528                                 if ($_POST["profile"]) {
 529
 530                                         $profile = $_POST["profile"];
 531
 532                                         $sth = $this->pdo->prepare("SELECT id FROM ttrss_settings_profiles
 533                                                 WHERE id = ? AND owner_uid = ?");
 534                                         $sth->execute([$profile, $_SESSION['uid']]);
 535
 536                                         if ($sth->fetch()) {
 537                                                 $_SESSION["profile"] = $profile;
 538                                         }
 539                                 }
 540                         } else {
 541                                 $_SESSION["login_error_msg"] = __("Incorrect username or password");
 542                                 user_error("Failed login attempt for $login from {$_SERVER['REMOTE_ADDR']}", E_USER_WARNING);
 543                         }
 544
 545                         if ($_REQUEST['return']) {
 546                                 header("Location: " . $_REQUEST['return']);
 547                         } else {
 548                                 header("Location: " . get_self_url_prefix());
 549                         }
 550                 }
 551         }
 552
 553         /* function subtest() {
 554                 header("Content-type: text/plain; charset=utf-8");
 555
 556                 $url = $_REQUEST["url"];
 557
 558                 print "$url\n\n";
 559
 560
 561                 print_r(get_feeds_from_html($url, fetch_file_contents($url)));
 562
 563         } */
 564
 565         function subscribe() {
 566                 if (SINGLE_USER_MODE) {
 567                         login_sequence();
 568                 }
 569
 570                 if ($_SESSION["uid"]) {
 571
 572                         $feed_url = trim($_REQUEST["feed_url"]);
 573
 574                         header('Content-Type: text/html; charset=utf-8');
 575                         print "<html>
 576                                 <head>
 577                                         <title>Tiny Tiny RSS</title>
 578                                         <link rel=\"stylesheet\" type=\"text/css\" href=\"css/utility.css\">
 579                                         <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
 580                                         <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
 581                                         <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">
 582
 583                                 </head>
 584                                 <body>
 585                                 <img class=\"floatingLogo\" src=\"images/logo_small.png\"
 586                                         alt=\"Tiny Tiny RSS\"/>
 587                                         <h1>".__("Subscribe to feed...")."</h1><div class='content'>";
 588
 589                         $rc = Feeds::subscribe_to_feed($feed_url);
 590
 591                         switch ($rc['code']) {
 592                         case 0:
 593                                 print_warning(T_sprintf("Already subscribed to <b>%s</b>.", $feed_url));
 594                                 break;
 595                         case 1:
 596                                 print_notice(T_sprintf("Subscribed to <b>%s</b>.", $feed_url));
 597                                 break;
 598                         case 2:
 599                                 print_error(T_sprintf("Could not subscribe to <b>%s</b>.", $feed_url));
 600                                 break;
 601                         case 3:
 602                                 print_error(T_sprintf("No feeds found in <b>%s</b>.", $feed_url));
 603                                 break;
 604                         case 4:
 605                                 print_notice(__("Multiple feed URLs found."));
 606                                 $feed_urls = $rc["feeds"];
 607                                 break;
 608                         case 5:
 609                                 print_error(T_sprintf("Could not subscribe to <b>%s</b>.<br>Can't download the Feed URL.", $feed_url));
 610                                 break;
 611                         }
 612
 613                         if ($feed_urls) {
 614
 615                                 print "<form action=\"public.php\">";
 616                                 print "<input type=\"hidden\" name=\"op\" value=\"subscribe\">";
 617
 618                                 print "<select name=\"feed_url\">";
 619
 620                                 foreach ($feed_urls as $url => $name) {
 621                                         $url = htmlspecialchars($url);
 622                                         $name = htmlspecialchars($name);
 623
 624                                         print "<option value=\"$url\">$name</option>";
 625                                 }
 626
 627                                 print "<input type=\"submit\" value=\"".__("Subscribe to selected feed").
 628                                         "\">";
 629
 630                                 print "</form>";
 631                         }
 632
 633                         $tp_uri = get_self_url_prefix() . "/prefs.php";
 634                         $tt_uri = get_self_url_prefix();
 635
 636                         if ($rc['code'] <= 2){
 637                             $sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE
 638                                         feed_url = ? AND owner_uid = ?");
 639                             $sth->execute([$feed_url, $_SESSION['uid']]);
 640                             $row = $sth->fetch();
 641
 642                                 $feed_id = $row["id"];
 643                         } else {
 644                                 $feed_id = 0;
 645                         }
 646                         print "<p>";
 647
 648                         if ($feed_id) {
 649                                 print "<form method=\"GET\" style='display: inline'
 650                                         action=\"$tp_uri\">
 651                                         <input type=\"hidden\" name=\"tab\" value=\"feedConfig\">
 652                                         <input type=\"hidden\" name=\"method\" value=\"editFeed\">
 653                                         <input type=\"hidden\" name=\"methodparam\" value=\"$feed_id\">
 654                                         <input type=\"submit\" value=\"".__("Edit subscription options")."\">
 655                                         </form>";
 656                         }
 657
 658                         print "<form style='display: inline' method=\"GET\" action=\"$tt_uri\">
 659                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 660                                 </form></p>";
 661
 662                         print "</div></body></html>";
 663
 664                 } else {
 665                         render_login_form();
 666                 }
 667         }
 668
 669         function index() {
 670                 header("Content-Type: text/plain");
 671                 print error_json(13);
 672         }
 673
 674         function forgotpass() {
 675                 startup_gettext();
 676
 677                 @$hash = $_REQUEST["hash"];
 678
 679                 header('Content-Type: text/html; charset=utf-8');
 680                 print "<html><head><title>Tiny Tiny RSS</title>
 681                 <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
 682                 <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">";
 683
 684                 echo stylesheet_tag("css/utility.css");
 685                 echo javascript_tag("lib/prototype.js");
 686
 687                 print "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
 688                         </head><body id='forgotpass'>";
 689
 690                 print '<div class="floatingLogo"><img src="images/logo_small.png"></div>';
 691                 print "<h1>".__("Password recovery")."</h1>";
 692                 print "<div class='content'>";
 693
 694                 @$method = $_POST['method'];
 695
 696                 if ($hash) {
 697                         $login = $_REQUEST["login"];
 698
 699                         if ($login) {
 700                                 $sth = $this->pdo->prepare("SELECT id, resetpass_token FROM ttrss_users
 701                                         WHERE login = ?");
 702                                 $sth->execute([$login]);
 703
 704                                 if ($row = $sth->fetch()) {
 705                                         $id = $row["id"];
 706                                         $resetpass_token_full = $row["resetpass_token"];
 707                                         list($timestamp, $resetpass_token) = explode(":", $resetpass_token_full);
 708
 709                                         if ($timestamp && $resetpass_token &&
 710                                                 $timestamp >= time() - 15*60*60 &&
 711                                                 $resetpass_token == $hash) {
 712
 713                                                         $sth = $this->pdo->prepare("UPDATE ttrss_users SET resetpass_token = NULL
 714                                                                 WHERE id = ?");
 715                                                         $sth->execute([$id]);
 716
 717                                                         Pref_Users::resetUserPassword($id, true);
 718
 719                                                         print "<p>"."Completed."."</p>";
 720
 721                                         } else {
 722                                                 print_error("Some of the information provided is missing or incorrect.");
 723                                         }
 724                                 } else {
 725                                         print_error("Some of the information provided is missing or incorrect.");
 726                                 }
 727                         } else {
 728                                 print_error("Some of the information provided is missing or incorrect.");
 729                         }
 730
 731                         print "<form method=\"GET\" action=\"index.php\">
 732                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 733                                 </form>";
 734
 735                 } else if (!$method) {
 736                         print_notice(__("You will need to provide valid account name and email. A password reset link will be sent to your email address."));
 737
 738                         print "<form method='POST' action='public.php'>";
 739                         print "<input type='hidden' name='method' value='do'>";
 740                         print "<input type='hidden' name='op' value='forgotpass'>";
 741
 742                         print "<fieldset>";
 743                         print "<label>".__("Login:")."</label>";
 744                         print "<input type='text' name='login' value='' required>";
 745                         print "</fieldset>";
 746
 747                         print "<fieldset>";
 748                         print "<label>".__("Email:")."</label>";
 749                         print "<input type='email' name='email' value='' required>";
 750                         print "</fieldset>";
 751
 752                         print "<fieldset>";
 753                         print "<label>".__("How much is two plus two:")."</label>";
 754                         print "<input type='text' name='test' value='' required>";
 755                         print "</fieldset>";
 756
 757                         print "<p/>";
 758                         print "<button type='submit'>".__("Reset password")."</button>";
 759
 760                         print "</form>";
 761                 } else if ($method == 'do') {
 762
 763                         $login = $_POST["login"];
 764                         $email = $_POST["email"];
 765                         $test = $_POST["test"];
 766
 767                         if (($test != 4 && $test != 'four') || !$email || !$login) {
 768                                 print_error(__('Some of the required form parameters are missing or incorrect.'));
 769
 770                                 print "<form method=\"GET\" action=\"public.php\">
 771                                         <input type=\"hidden\" name=\"op\" value=\"forgotpass\">
 772                                         <input type=\"submit\" value=\"".__("Go back")."\">
 773                                         </form>";
 774
 775                         } else {
 776
 777                                 print_notice("Password reset instructions are being sent to your email address.");
 778
 779                                 $sth = $this->pdo->prepare("SELECT id FROM ttrss_users
 780                                         WHERE login = ? AND email = ?");
 781                                 $sth->execute([$login, $email]);
 782
 783                                 if ($row = $sth->fetch()) {
 784                                         $id = $row["id"];
 785
 786                                         if ($id) {
 787                                                 $resetpass_token = sha1(get_random_bytes(128));
 788                                                 $resetpass_link = get_self_url_prefix() . "/public.php?op=forgotpass&hash=" . $resetpass_token .
 789                                                         "&login=" . urlencode($login);
 790
 791                                                 require_once 'classes/ttrssmailer.php';
 792                                                 require_once "lib/MiniTemplator.class.php";
 793
 794                                                 $tpl = new MiniTemplator;
 795
 796                                                 $tpl->readTemplateFromFile("templates/resetpass_link_template.txt");
 797
 798                                                 $tpl->setVariable('LOGIN', $login);
 799                                                 $tpl->setVariable('RESETPASS_LINK', $resetpass_link);
 800
 801                                                 $tpl->addBlock('message');
 802
 803                                                 $message = "";
 804
 805                                                 $tpl->generateOutputToString($message);
 806
 807                                                 $mail = new ttrssMailer();
 808
 809                                                 $rc = $mail->quickMail($email, $login,
 810                                                         __("[tt-rss] Password reset request"),
 811                                                         $message, false);
 812
 813                                                 if (!$rc) print_error($mail->ErrorInfo);
 814
 815                                                 $resetpass_token_full = time() . ":" . $resetpass_token;
 816
 817                                                 $sth = $this->pdo->prepare("UPDATE ttrss_users
 818                                                         SET resetpass_token = ?
 819                                                         WHERE login = ? AND email = ?");
 820
 821                                                 $sth->execute([$resetpass_token_full, $login, $email]);
 822
 823                                                 //Pref_Users::resetUserPassword($id, false);
 824
 825                                                 print "<p>";
 826
 827                                                 print "<p>"."Completed."."</p>";
 828                                         } else {
 829                                                 print_error("User ID not found.");
 830                                         }
 831
 832                                         print "<form method=\"GET\" action=\"index.php\">
 833                                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 834                                                 </form>";
 835
 836                                 } else {
 837                                         print_error(__("Sorry, login and email combination not found."));
 838
 839                                         print "<form method=\"GET\" action=\"public.php\">
 840                                                 <input type=\"hidden\" name=\"op\" value=\"forgotpass\">
 841                                                 <input type=\"submit\" value=\"".__("Go back")."\">
 842                                                 </form>";
 843
 844                                 }
 845                         }
 846
 847                 }
 848
 849                 print "</div>";
 850                 print "</body>";
 851                 print "</html>";
 852
 853         }
 854
 855         function dbupdate() {
 856                 startup_gettext();
 857
 858                 if (!SINGLE_USER_MODE && $_SESSION["access_level"] < 10) {
 859                         $_SESSION["login_error_msg"] = __("Your access level is insufficient to run this script.");
 860                         render_login_form();
 861                         exit;
 862                 }
 863
 864                 ?><html>
 865                         <head>
 866                         <title>Database Updater</title>
 867                         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
 868                         <link rel="stylesheet" type="text/css" href="css/utility.css"/>
 869                         <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
 870                         <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">
 871                         </head>
 872                         <style type="text/css">
 873                                 span.ok { color : #009000; font-weight : bold; }
 874                                 span.err { color : #ff0000; font-weight : bold; }
 875                         </style>
 876                 <body>
 877                         <script type='text/javascript'>
 878                         function confirmOP() {
 879                                 return confirm("Update the database?");
 880                         }
 881                         </script>
 882
 883                         <div class="floatingLogo"><img src="images/logo_small.png"></div>
 884
 885                         <h1><?php echo __("Database Updater") ?></h1>
 886
 887                         <div class="content">
 888
 889                         <?php
 890                                 @$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, true);
 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                                                                 return;
 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_notice("<h4>".
 942                                                 sprintf("Your Tiny Tiny RSS database needs update to the latest version: %d to %d.",
 943                                                         $updater->getSchemaVersion(), SCHEMA_VERSION).
 944                                                 "</h4>");
 945
 946                                                 print_warning("Please backup your database before proceeding.");
 947
 948                                                 print "<form method='POST'>
 949                                                         <input type='hidden' name='subop' value='performupdate'>
 950                                                         <input type='submit' onclick='return confirmOP()' value='".__("Perform updates")."'>
 951                                                 </form>";
 952
 953                                         } else {
 954
 955                                                 print_notice("Tiny Tiny RSS database is up to date.");
 956
 957                                                 print "<p><form method=\"GET\" action=\"index.php\">
 958                                                         <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 959                                                 </form>";
 960
 961                                         }
 962                                 }
 963                         ?>
 964
 965                         </div>
 966                         </body>
 967                         </html>
 968                 <?php
 969         }
 970
 971         function cached_url() {
 972                 @$hash = basename($_GET['hash']);
 973
 974                 // we don't need an extension to find the file, hash is a complete URL
 975                 $hash = preg_replace("/\.[^\.]*$/", "", $hash);
 976
 977                 if ($hash) {
 978
 979                         $filename = CACHE_DIR . '/images/' . $hash;
 980
 981                         if (file_exists($filename)) {
 982                                 header("Content-Disposition: inline; filename=\"$hash\"");
 983
 984                                 send_local_file($filename);
 985
 986                         } else {
 987                                 header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
 988                                 echo "File not found.";
 989                         }
 990                 }
 991         }
 992
 993         private function make_article_tag_uri($id, $timestamp) {
 994
 995                 $timestamp = date("Y-m-d", strtotime($timestamp));
 996
 997                 return "tag:" . parse_url(get_self_url_prefix(), PHP_URL_HOST) . ",$timestamp:/$id";
 998         }
 999
1000         // this should be used very carefully because this endpoint is exposed to unauthenticated users
1001         // plugin data is not loaded because there's no user context and owner_uid/session may or may not be available
1002         // in general, don't do anything user-related in here and do not modify $_SESSION
1003         public function pluginhandler() {
1004                 $host = new PluginHost();
1005
1006                 $plugin = basename($_REQUEST["plugin"]);
1007                 $method = $_REQUEST["pmethod"];
1008
1009                 $host->load($plugin, PluginHost::KIND_USER, 0);
1010                 $host->load_data();
1011
1012                 $pclass = $host->get_plugin($plugin);
1013
1014                 if ($pclass) {
1015                         if (method_exists($pclass, $method)) {
1016                                 if ($pclass->is_public_method($method)) {
1017                                         $pclass->$method();
1018                                 } else {
1019                                         header("Content-Type: text/json");
1020                                         print error_json(6);
1021                                 }
1022                         } else {
1023                                 header("Content-Type: text/json");
1024                                 print error_json(13);
1025                         }
1026                 } else {
1027                         header("Content-Type: text/json");
1028                         print error_json(14);
1029                 }
1030         }
1031 }
1032 ?>