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 = $qfh_ret[0];
  57
  58                 if ($this->dbh->num_rows($result) != 0) {
  59
  60                         $ts = strtotime($this->dbh->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 = $this->dbh->fetch_assoc($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 = $this->dbh->fetch_assoc($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 = $this->dbh->escape_string($_REQUEST["login"]);
 259                 $fresh = $_REQUEST["fresh"] == "1";
 260
 261                 $result = $this->dbh->query("SELECT id FROM ttrss_users WHERE login = '$login'");
 262
 263                 if ($this->dbh->num_rows($result) == 1) {
 264                         $uid = $this->dbh->fetch_result($result, 0, "id");
 265
 266                         print Feeds::getGlobalUnread($uid);
 267
 268                         if ($fresh) {
 269                                 print ";";
 270                                 print Feeds::getFeedArticles(-3, false, true, $uid);
 271                         }
 272
 273                 } else {
 274                         print "-1;User not found";
 275                 }
 276
 277         }
 278
 279         function getProfiles() {
 280                 $login = $this->dbh->escape_string($_REQUEST["login"]);
 281
 282                 $result = $this->dbh->query("SELECT ttrss_settings_profiles.* FROM ttrss_settings_profiles,ttrss_users
 283                         WHERE ttrss_users.id = ttrss_settings_profiles.owner_uid AND login = '$login' ORDER BY title");
 284
 285                 print "<select dojoType='dijit.form.Select' style='width : 220px; margin : 0px' name='profile'>";
 286
 287                 print "<option value='0'>" . __("Default profile") . "</option>";
 288
 289                 while ($line = $this->dbh->fetch_assoc($result)) {
 290                         $id = $line["id"];
 291                         $title = $line["title"];
 292
 293                         print "<option value='$id'>$title</option>";
 294                 }
 295
 296                 print "</select>";
 297         }
 298
 299         function logout() {
 300                 logout_user();
 301                 header("Location: index.php");
 302         }
 303
 304         function share() {
 305                 $uuid = $this->dbh->escape_string($_REQUEST["key"]);
 306
 307                 $result = $this->dbh->query("SELECT ref_id, owner_uid FROM ttrss_user_entries WHERE
 308                         uuid = '$uuid'");
 309
 310                 if ($this->dbh->num_rows($result) != 0) {
 311                         header("Content-Type: text/html");
 312
 313                         $id = $this->dbh->fetch_result($result, 0, "ref_id");
 314                         $owner_uid = $this->dbh->fetch_result($result, 0, "owner_uid");
 315
 316                         $article = Article::format_article($id, false, true, $owner_uid);
 317
 318                         print_r($article['content']);
 319
 320                 } else {
 321                         print "Article not found.";
 322                 }
 323
 324         }
 325
 326         function rss() {
 327                 $feed = $this->dbh->escape_string($_REQUEST["id"]);
 328                 $key = $this->dbh->escape_string($_REQUEST["key"]);
 329                 $is_cat = sql_bool_to_bool($_REQUEST["is_cat"]);
 330                 $limit = (int)$this->dbh->escape_string($_REQUEST["limit"]);
 331                 $offset = (int)$this->dbh->escape_string($_REQUEST["offset"]);
 332
 333                 $search = $this->dbh->escape_string($_REQUEST["q"]);
 334                 $view_mode = $this->dbh->escape_string($_REQUEST["view-mode"]);
 335                 $order = $this->dbh->escape_string($_REQUEST["order"]);
 336                 $start_ts = $this->dbh->escape_string($_REQUEST["ts"]);
 337
 338                 $format = $this->dbh->escape_string($_REQUEST['format']);
 339                 $orig_guid = sql_bool_to_bool($_REQUEST["orig_guid"]);
 340
 341                 if (!$format) $format = 'atom';
 342
 343                 if (SINGLE_USER_MODE) {
 344                         authenticate_user("admin", null);
 345                 }
 346
 347                 $owner_id = false;
 348
 349                 if ($key) {
 350                         $result = $this->dbh->query("SELECT owner_uid FROM
 351                                 ttrss_access_keys WHERE access_key = '$key' AND feed_id = '$feed'");
 352
 353                         if ($this->dbh->num_rows($result) == 1)
 354                                 $owner_id = $this->dbh->fetch_result($result, 0, "owner_uid");
 355                 }
 356
 357                 if ($owner_id) {
 358                         $this->generate_syndicated_feed($owner_id, $feed, $is_cat, $limit,
 359                                 $offset, $search, $view_mode, $format, $order, $orig_guid, $start_ts);
 360                 } else {
 361                         header('HTTP/1.1 403 Forbidden');
 362                 }
 363         }
 364
 365         function updateTask() {
 366                 PluginHost::getInstance()->run_hooks(PluginHost::HOOK_UPDATE_TASK, "hook_update_task", false);
 367         }
 368
 369         function housekeepingTask() {
 370                 PluginHost::getInstance()->run_hooks(PluginHost::HOOK_HOUSE_KEEPING, "hook_house_keeping", false);
 371         }
 372
 373         function globalUpdateFeeds() {
 374                 RPC::updaterandomfeed_real($this->dbh);
 375
 376                 PluginHost::getInstance()->run_hooks(PluginHost::HOOK_UPDATE_TASK, "hook_update_task", false);
 377         }
 378
 379         function sharepopup() {
 380                 if (SINGLE_USER_MODE) {
 381                         login_sequence();
 382                 }
 383
 384                 header('Content-Type: text/html; charset=utf-8');
 385                 print "<html><head><title>Tiny Tiny RSS</title>
 386                 <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
 387                 <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">";
 388
 389                 echo stylesheet_tag("css/utility.css");
 390                 echo stylesheet_tag("css/dijit.css");
 391                 echo javascript_tag("lib/prototype.js");
 392                 echo javascript_tag("lib/scriptaculous/scriptaculous.js?load=effects,controls");
 393                 print "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
 394                         </head><body id='sharepopup'>";
 395
 396                 $action = $_REQUEST["action"];
 397
 398                 if ($_SESSION["uid"]) {
 399
 400                         if ($action == 'share') {
 401
 402                                 $title = $this->dbh->escape_string(strip_tags($_REQUEST["title"]));
 403                                 $url = $this->dbh->escape_string(strip_tags($_REQUEST["url"]));
 404                                 $content = $this->dbh->escape_string(strip_tags($_REQUEST["content"]));
 405                                 $labels = $this->dbh->escape_string(strip_tags($_REQUEST["labels"]));
 406
 407                                 Article::create_published_article($title, $url, $content, $labels,
 408                                         $_SESSION["uid"]);
 409
 410                                 print "<script type='text/javascript'>";
 411                                 print "window.close();";
 412                                 print "</script>";
 413
 414                         } else {
 415                                 $title = htmlspecialchars($_REQUEST["title"]);
 416                                 $url = htmlspecialchars($_REQUEST["url"]);
 417
 418                                 ?>
 419
 420                                 <table height='100%' width='100%'><tr><td colspan='2'>
 421                                 <h1><?php echo __("Share with Tiny Tiny RSS") ?></h1>
 422                                 </td></tr>
 423
 424                                 <form id='share_form' name='share_form'>
 425
 426                                 <input type="hidden" name="op" value="sharepopup">
 427                                 <input type="hidden" name="action" value="share">
 428
 429                                 <tr><td align='right'><?php echo __("Title:") ?></td>
 430                                 <td width='80%'><input name='title' value="<?php echo $title ?>"></td></tr>
 431                                 <tr><td align='right'><?php echo __("URL:") ?></td>
 432                                 <td><input name='url' value="<?php echo $url ?>"></td></tr>
 433                                 <tr><td align='right'><?php echo __("Content:") ?></td>
 434                                 <td><input name='content' value=""></td></tr>
 435                                 <tr><td align='right'><?php echo __("Labels:") ?></td>
 436                                 <td><input name='labels' id="labels_value"
 437                                         placeholder='Alpha, Beta, Gamma' value="">
 438                                 </td></tr>
 439
 440                                 <tr><td>
 441                                         <div class="autocomplete" id="labels_choices"
 442                                                 style="display : block"></div></td></tr>
 443
 444                                 <script type='text/javascript'>document.forms[0].title.focus();</script>
 445
 446                                 <script type='text/javascript'>
 447                                         new Ajax.Autocompleter('labels_value', 'labels_choices',
 448                                    "backend.php?op=rpc&method=completeLabels",
 449                                    { tokens: ',', paramName: "search" });
 450                                 </script>
 451
 452                                 <tr><td colspan='2'>
 453                                         <div style='float : right' class='insensitive-small'>
 454                                         <?php echo __("Shared article will appear in the Published feed.") ?>
 455                                         </div>
 456                                         <button type="submit"><?php echo __('Share') ?></button>
 457                                         <button onclick="return window.close()"><?php echo __('Cancel') ?></button>
 458                                         </td>
 459
 460                                 </form>
 461                                 </td></tr></table>
 462                                 </body></html>
 463                                 <?php
 464
 465                         }
 466
 467                 } else {
 468
 469                         $return = urlencode($_SERVER["REQUEST_URI"])
 470                         ?>
 471
 472                         <form action="public.php?return=<?php echo $return ?>"
 473                                 method="POST" id="loginForm" name="loginForm">
 474
 475                         <input type="hidden" name="op" value="login">
 476
 477                         <table height='100%' width='100%'><tr><td colspan='2'>
 478                         <h1><?php echo __("Not logged in") ?></h1></td></tr>
 479
 480                         <tr><td align="right"><?php echo __("Login:") ?></td>
 481                         <td align="right"><input name="login"
 482                                 value="<?php echo $_SESSION["fake_login"] ?>"></td></tr>
 483                                 <tr><td align="right"><?php echo __("Password:") ?></td>
 484                                 <td align="right"><input type="password" name="password"
 485                                 value="<?php echo $_SESSION["fake_password"] ?>"></td></tr>
 486                         <tr><td colspan='2'>
 487                                 <button type="submit">
 488                                         <?php echo __('Log in') ?></button>
 489
 490                                 <button onclick="return window.close()">
 491                                         <?php echo __('Cancel') ?></button>
 492                         </td></tr>
 493                         </table>
 494
 495                         </form>
 496                         <?php
 497                 }
 498         }
 499
 500         function login() {
 501                 if (!SINGLE_USER_MODE) {
 502
 503                         $login = $this->dbh->escape_string($_POST["login"]);
 504                         $password = $_POST["password"];
 505                         $remember_me = $_POST["remember_me"];
 506
 507                         if ($remember_me) {
 508                                 session_set_cookie_params(SESSION_COOKIE_LIFETIME);
 509                         } else {
 510                                 session_set_cookie_params(0);
 511                         }
 512
 513                         @session_start();
 514
 515                         if (authenticate_user($login, $password)) {
 516                                 $_POST["password"] = "";
 517
 518                                 if (get_schema_version() >= 120) {
 519                                         $_SESSION["language"] = get_pref("USER_LANGUAGE", $_SESSION["uid"]);
 520                                 }
 521
 522                                 $_SESSION["ref_schema_version"] = get_schema_version(true);
 523                                 $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
 524
 525                                 if ($_POST["profile"]) {
 526
 527                                         $profile = $this->dbh->escape_string($_POST["profile"]);
 528
 529                                         $result = $this->dbh->query("SELECT id FROM ttrss_settings_profiles
 530                                                 WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
 531
 532                                         if ($this->dbh->num_rows($result) != 0) {
 533                                                 $_SESSION["profile"] = $profile;
 534                                         }
 535                                 }
 536                         } else {
 537                                 $_SESSION["login_error_msg"] = __("Incorrect username or password");
 538                                 user_error("Failed login attempt for $login from {$_SERVER['REMOTE_ADDR']}", E_USER_WARNING);
 539                         }
 540
 541                         if ($_REQUEST['return']) {
 542                                 header("Location: " . $_REQUEST['return']);
 543                         } else {
 544                                 header("Location: " . get_self_url_prefix());
 545                         }
 546                 }
 547         }
 548
 549         /* function subtest() {
 550                 header("Content-type: text/plain; charset=utf-8");
 551
 552                 $url = $_REQUEST["url"];
 553
 554                 print "$url\n\n";
 555
 556
 557                 print_r(get_feeds_from_html($url, fetch_file_contents($url)));
 558
 559         } */
 560
 561         function subscribe() {
 562                 if (SINGLE_USER_MODE) {
 563                         login_sequence();
 564                 }
 565
 566                 if ($_SESSION["uid"]) {
 567
 568                         $feed_url = $this->dbh->escape_string(trim($_REQUEST["feed_url"]));
 569
 570                         header('Content-Type: text/html; charset=utf-8');
 571                         print "<html>
 572                                 <head>
 573                                         <title>Tiny Tiny RSS</title>
 574                                         <link rel=\"stylesheet\" type=\"text/css\" href=\"css/utility.css\">
 575                                         <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
 576                                         <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
 577                                         <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">
 578
 579                                 </head>
 580                                 <body>
 581                                 <img class=\"floatingLogo\" src=\"images/logo_small.png\"
 582                                         alt=\"Tiny Tiny RSS\"/>
 583                                         <h1>".__("Subscribe to feed...")."</h1><div class='content'>";
 584
 585                         $rc = Feeds::subscribe_to_feed($feed_url);
 586
 587                         switch ($rc['code']) {
 588                         case 0:
 589                                 print_warning(T_sprintf("Already subscribed to <b>%s</b>.", $feed_url));
 590                                 break;
 591                         case 1:
 592                                 print_notice(T_sprintf("Subscribed to <b>%s</b>.", $feed_url));
 593                                 break;
 594                         case 2:
 595                                 print_error(T_sprintf("Could not subscribe to <b>%s</b>.", $feed_url));
 596                                 break;
 597                         case 3:
 598                                 print_error(T_sprintf("No feeds found in <b>%s</b>.", $feed_url));
 599                                 break;
 600                         case 4:
 601                                 print_notice(__("Multiple feed URLs found."));
 602                                 $feed_urls = $rc["feeds"];
 603                                 break;
 604                         case 5:
 605                                 print_error(T_sprintf("Could not subscribe to <b>%s</b>.<br>Can't download the Feed URL.", $feed_url));
 606                                 break;
 607                         }
 608
 609                         if ($feed_urls) {
 610
 611                                 print "<form action=\"public.php\">";
 612                                 print "<input type=\"hidden\" name=\"op\" value=\"subscribe\">";
 613
 614                                 print "<select name=\"feed_url\">";
 615
 616                                 foreach ($feed_urls as $url => $name) {
 617                                         $url = htmlspecialchars($url);
 618                                         $name = htmlspecialchars($name);
 619
 620                                         print "<option value=\"$url\">$name</option>";
 621                                 }
 622
 623                                 print "<input type=\"submit\" value=\"".__("Subscribe to selected feed").
 624                                         "\">";
 625
 626                                 print "</form>";
 627                         }
 628
 629                         $tp_uri = get_self_url_prefix() . "/prefs.php";
 630                         $tt_uri = get_self_url_prefix();
 631
 632                         if ($rc['code'] <= 2){
 633                                 $result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
 634                                         feed_url = '$feed_url' AND owner_uid = " . $_SESSION["uid"]);
 635
 636                                 $feed_id = $this->dbh->fetch_result($result, 0, "id");
 637                         } else {
 638                                 $feed_id = 0;
 639                         }
 640                         print "<p>";
 641
 642                         if ($feed_id) {
 643                                 print "<form method=\"GET\" style='display: inline'
 644                                         action=\"$tp_uri\">
 645                                         <input type=\"hidden\" name=\"tab\" value=\"feedConfig\">
 646                                         <input type=\"hidden\" name=\"method\" value=\"editFeed\">
 647                                         <input type=\"hidden\" name=\"methodparam\" value=\"$feed_id\">
 648                                         <input type=\"submit\" value=\"".__("Edit subscription options")."\">
 649                                         </form>";
 650                         }
 651
 652                         print "<form style='display: inline' method=\"GET\" action=\"$tt_uri\">
 653                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 654                                 </form></p>";
 655
 656                         print "</div></body></html>";
 657
 658                 } else {
 659                         render_login_form();
 660                 }
 661         }
 662
 663         function index() {
 664                 header("Content-Type: text/plain");
 665                 print error_json(13);
 666         }
 667
 668         function forgotpass() {
 669                 startup_gettext();
 670
 671                 @$hash = $_REQUEST["hash"];
 672
 673                 header('Content-Type: text/html; charset=utf-8');
 674                 print "<html><head><title>Tiny Tiny RSS</title>
 675                 <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
 676                 <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">";
 677
 678                 echo stylesheet_tag("css/utility.css");
 679                 echo javascript_tag("lib/prototype.js");
 680
 681                 print "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
 682                         </head><body id='forgotpass'>";
 683
 684                 print '<div class="floatingLogo"><img src="images/logo_small.png"></div>';
 685                 print "<h1>".__("Password recovery")."</h1>";
 686                 print "<div class='content'>";
 687
 688                 @$method = $_POST['method'];
 689
 690                 if ($hash) {
 691                         $login = $this->dbh->escape_string($_REQUEST["login"]);
 692
 693                         if ($login) {
 694                                 $result = $this->dbh->query("SELECT id, resetpass_token FROM ttrss_users
 695                                         WHERE login = '$login'");
 696
 697                                 if ($this->dbh->num_rows($result) != 0) {
 698                                         $id = $this->dbh->fetch_result($result, 0, "id");
 699                                         $resetpass_token_full = $this->dbh->fetch_result($result, 0, "resetpass_token");
 700                                         list($timestamp, $resetpass_token) = explode(":", $resetpass_token_full);
 701
 702                                         if ($timestamp && $resetpass_token &&
 703                                                 $timestamp >= time() - 15*60*60 &&
 704                                                 $resetpass_token == $hash) {
 705
 706                                                         $result = $this->dbh->query("UPDATE ttrss_users SET resetpass_token = NULL
 707                                                                 WHERE id = $id");
 708
 709                                                         Pref_Users::resetUserPassword($id, true);
 710
 711                                                         print "<p>"."Completed."."</p>";
 712
 713                                         } else {
 714                                                 print_error("Some of the information provided is missing or incorrect.");
 715                                         }
 716                                 } else {
 717                                         print_error("Some of the information provided is missing or incorrect.");
 718                                 }
 719                         } else {
 720                                 print_error("Some of the information provided is missing or incorrect.");
 721                         }
 722
 723                         print "<form method=\"GET\" action=\"index.php\">
 724                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 725                                 </form>";
 726
 727                 } else if (!$method) {
 728                         print_notice(__("You will need to provide valid account name and email. A password reset link will be sent to your email address."));
 729
 730                         print "<form method='POST' action='public.php'>";
 731                         print "<input type='hidden' name='method' value='do'>";
 732                         print "<input type='hidden' name='op' value='forgotpass'>";
 733
 734                         print "<fieldset>";
 735                         print "<label>".__("Login:")."</label>";
 736                         print "<input type='text' name='login' value='' required>";
 737                         print "</fieldset>";
 738
 739                         print "<fieldset>";
 740                         print "<label>".__("Email:")."</label>";
 741                         print "<input type='email' name='email' value='' required>";
 742                         print "</fieldset>";
 743
 744                         print "<fieldset>";
 745                         print "<label>".__("How much is two plus two:")."</label>";
 746                         print "<input type='text' name='test' value='' required>";
 747                         print "</fieldset>";
 748
 749                         print "<p/>";
 750                         print "<button type='submit'>".__("Reset password")."</button>";
 751
 752                         print "</form>";
 753                 } else if ($method == 'do') {
 754
 755                         $login = $this->dbh->escape_string($_POST["login"]);
 756                         $email = $this->dbh->escape_string($_POST["email"]);
 757                         $test = $this->dbh->escape_string($_POST["test"]);
 758
 759                         if (($test != 4 && $test != 'four') || !$email || !$login) {
 760                                 print_error(__('Some of the required form parameters are missing or incorrect.'));
 761
 762                                 print "<form method=\"GET\" action=\"public.php\">
 763                                         <input type=\"hidden\" name=\"op\" value=\"forgotpass\">
 764                                         <input type=\"submit\" value=\"".__("Go back")."\">
 765                                         </form>";
 766
 767                         } else {
 768
 769                                 print_notice("Password reset instructions are being sent to your email address.");
 770
 771                                 $result = $this->dbh->query("SELECT id FROM ttrss_users
 772                                         WHERE login = '$login' AND email = '$email'");
 773
 774                                 if ($this->dbh->num_rows($result) != 0) {
 775                                         $id = $this->dbh->fetch_result($result, 0, "id");
 776
 777                                         if ($id) {
 778                                                 $resetpass_token = sha1(get_random_bytes(128));
 779                                                 $resetpass_link = get_self_url_prefix() . "/public.php?op=forgotpass&hash=" . $resetpass_token .
 780                                                         "&login=" . urlencode($login);
 781
 782                                                 require_once 'classes/ttrssmailer.php';
 783                                                 require_once "lib/MiniTemplator.class.php";
 784
 785                                                 $tpl = new MiniTemplator;
 786
 787                                                 $tpl->readTemplateFromFile("templates/resetpass_link_template.txt");
 788
 789                                                 $tpl->setVariable('LOGIN', $login);
 790                                                 $tpl->setVariable('RESETPASS_LINK', $resetpass_link);
 791
 792                                                 $tpl->addBlock('message');
 793
 794                                                 $message = "";
 795
 796                                                 $tpl->generateOutputToString($message);
 797
 798                                                 $mail = new ttrssMailer();
 799
 800                                                 $rc = $mail->quickMail($email, $login,
 801                                                         __("[tt-rss] Password reset request"),
 802                                                         $message, false);
 803
 804                                                 if (!$rc) print_error($mail->ErrorInfo);
 805
 806                                                 $resetpass_token_full = $this->dbh->escape_string(time() . ":" . $resetpass_token);
 807
 808                                                 $result = $this->dbh->query("UPDATE ttrss_users
 809                                                         SET resetpass_token = '$resetpass_token_full'
 810                                                         WHERE login = '$login' AND email = '$email'");
 811
 812                                                 //Pref_Users::resetUserPassword($id, false);
 813
 814                                                 print "<p>";
 815
 816                                                 print "<p>"."Completed."."</p>";
 817                                         } else {
 818                                                 print_error("User ID not found.");
 819                                         }
 820
 821                                         print "<form method=\"GET\" action=\"index.php\">
 822                                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 823                                                 </form>";
 824
 825                                 } else {
 826                                         print_error(__("Sorry, login and email combination not found."));
 827
 828                                         print "<form method=\"GET\" action=\"public.php\">
 829                                                 <input type=\"hidden\" name=\"op\" value=\"forgotpass\">
 830                                                 <input type=\"submit\" value=\"".__("Go back")."\">
 831                                                 </form>";
 832
 833                                 }
 834                         }
 835
 836                 }
 837
 838                 print "</div>";
 839                 print "</body>";
 840                 print "</html>";
 841
 842         }
 843
 844         function dbupdate() {
 845                 startup_gettext();
 846
 847                 if (!SINGLE_USER_MODE && $_SESSION["access_level"] < 10) {
 848                         $_SESSION["login_error_msg"] = __("Your access level is insufficient to run this script.");
 849                         render_login_form();
 850                         exit;
 851                 }
 852
 853                 ?><html>
 854                         <head>
 855                         <title>Database Updater</title>
 856                         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
 857                         <link rel="stylesheet" type="text/css" href="css/utility.css"/>
 858                         <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
 859                         <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">
 860                         </head>
 861                         <style type="text/css">
 862                                 span.ok { color : #009000; font-weight : bold; }
 863                                 span.err { color : #ff0000; font-weight : bold; }
 864                         </style>
 865                 <body>
 866                         <script type='text/javascript'>
 867                         function confirmOP() {
 868                                 return confirm("Update the database?");
 869                         }
 870                         </script>
 871
 872                         <div class="floatingLogo"><img src="images/logo_small.png"></div>
 873
 874                         <h1><?php echo __("Database Updater") ?></h1>
 875
 876                         <div class="content">
 877
 878                         <?php
 879                                 @$op = $_REQUEST["subop"];
 880                                 $updater = new DbUpdater(Db::get(), DB_TYPE, SCHEMA_VERSION);
 881
 882                                 if ($op == "performupdate") {
 883                                         if ($updater->isUpdateRequired()) {
 884
 885                                                 print "<h2>Performing updates</h2>";
 886
 887                                                 print "<h3>Updating to schema version " . SCHEMA_VERSION . "</h3>";
 888
 889                                                 print "<ul>";
 890
 891                                                 for ($i = $updater->getSchemaVersion() + 1; $i <= SCHEMA_VERSION; $i++) {
 892                                                         print "<li>Performing update up to version $i...";
 893
 894                                                         $result = $updater->performUpdateTo($i, true);
 895
 896                                                         if (!$result) {
 897                                                                 print "<span class='err'>FAILED!</span></li></ul>";
 898
 899                                                                 print_warning("One of the updates failed. Either retry the process or perform updates manually.");
 900                                                                 print "<p><form method=\"GET\" action=\"index.php\">
 901                                                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 902                                                                 </form>";
 903
 904                                                                 return;
 905                                                         } else {
 906                                                                 print "<span class='ok'>OK!</span></li>";
 907                                                         }
 908                                                 }
 909
 910                                                 print "</ul>";
 911
 912                                                 print_notice("Your Tiny Tiny RSS database is now updated to the latest version.");
 913
 914                                                 print "<p><form method=\"GET\" action=\"index.php\">
 915                                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 916                                                 </form>";
 917
 918                                         } else {
 919                                                 print "<h2>Your database is up to date.</h2>";
 920
 921                                                 print "<p><form method=\"GET\" action=\"index.php\">
 922                                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 923                                                 </form>";
 924                                         }
 925                                 } else {
 926                                         if ($updater->isUpdateRequired()) {
 927
 928                                                 print "<h2>Database update required</h2>";
 929
 930                                                 print_notice("<h4>".
 931                                                 sprintf("Your Tiny Tiny RSS database needs update to the latest version: %d to %d.",
 932                                                         $updater->getSchemaVersion(), SCHEMA_VERSION).
 933                                                 "</h4>");
 934
 935                                                 print_warning("Please backup your database before proceeding.");
 936
 937                                                 print "<form method='POST'>
 938                                                         <input type='hidden' name='subop' value='performupdate'>
 939                                                         <input type='submit' onclick='return confirmOP()' value='".__("Perform updates")."'>
 940                                                 </form>";
 941
 942                                         } else {
 943
 944                                                 print_notice("Tiny Tiny RSS database is up to date.");
 945
 946                                                 print "<p><form method=\"GET\" action=\"index.php\">
 947                                                         <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 948                                                 </form>";
 949
 950                                         }
 951                                 }
 952                         ?>
 953
 954                         </div>
 955                         </body>
 956                         </html>
 957                 <?php
 958         }
 959
 960         function cached_url() {
 961                 @$hash = basename($_GET['hash']);
 962
 963                 // we don't need an extension to find the file, hash is a complete URL
 964                 $hash = preg_replace("/\.[^\.]*$/", "", $hash);
 965
 966                 if ($hash) {
 967
 968                         $filename = CACHE_DIR . '/images/' . $hash;
 969
 970                         if (file_exists($filename)) {
 971                                 header("Content-Disposition: inline; filename=\"$hash\"");
 972
 973                                 send_local_file($filename);
 974
 975                         } else {
 976                                 header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
 977                                 echo "File not found.";
 978                         }
 979                 }
 980         }
 981
 982         private function make_article_tag_uri($id, $timestamp) {
 983
 984                 $timestamp = date("Y-m-d", strtotime($timestamp));
 985
 986                 return "tag:" . parse_url(get_self_url_prefix(), PHP_URL_HOST) . ",$timestamp:/$id";
 987         }
 988
 989         // this should be used very carefully because this endpoint is exposed to unauthenticated users
 990         // plugin data is not loaded because there's no user context and owner_uid/session may or may not be available
 991         // in general, don't do anything user-related in here and do not modify $_SESSION
 992         public function pluginhandler() {
 993                 $host = new PluginHost();
 994
 995                 $plugin = basename($_REQUEST["plugin"]);
 996                 $method = $_REQUEST["pmethod"];
 997
 998                 $host->load($plugin, PluginHost::KIND_USER, 0);
 999                 $host->load_data();
1000
1001                 $pclass = $host->get_plugin($plugin);
1002
1003                 if ($pclass) {
1004                         if (method_exists($pclass, $method)) {
1005                                 if ($pclass->is_public_method($method)) {
1006                                         $pclass->$method();
1007                                 } else {
1008                                         header("Content-Type: text/json");
1009                                         print error_json(6);
1010                                 }
1011                         } else {
1012                                 header("Content-Type: text/json");
1013                                 print error_json(13);
1014                         }
1015                 } else {
1016                         header("Content-Type: text/json");
1017                         print error_json(14);
1018                 }
1019         }
1020 }
1021 ?>