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";
  31                         break;
  32                 case "date_reverse":
  33                         $date_sort_field = "date_entered, updated";
  34                         break;
  35                 case "feed_dates":
  36                         $date_sort_field = "updated DESC";
  37                         break;
  38                 }
  39
  40                 /*$qfh_ret = queryFeedHeadlines($feed,
  41                         1, $view_mode, $is_cat, $search, false,
  42                         $date_sort_field, $offset, $owner_uid,
  43                         false, 0, true, true, false, false, $start_ts);*/
  44
  45                 //function queryFeedHeadlines($feed,
  46                 // $limit, $view_mode, $cat_view, $search, $search_mode,
  47                 // $override_order = false, $offset = 0, $owner_uid = 0,
  48                 // $filter = false, $since_id = 0, $include_children = false, $ignore_vfeed_group = false, $override_strategy = false, $override_vfeed = false, $start_ts = false, $check_top_id = false) {
  49
  50                 $params = array(
  51                         "owner_uid" => $owner_uid,
  52                         "feed" => $feed,
  53                         "limit" => 1,
  54                         "view_mode" => $view_mode,
  55                         "cat_view" => $is_cat,
  56                         "search" => $search,
  57                         "override_order" => $date_sort_field,
  58                         "include_children" => true,
  59                         "ignore_vfeed_group" => true,
  60                         "offset" => $offset,
  61                         "start_ts" => $start_ts
  62                 );
  63
  64                 $qfh_ret = queryFeedHeadlines($params);
  65
  66                 $result = $qfh_ret[0];
  67
  68                 if ($this->dbh->num_rows($result) != 0) {
  69
  70                         $ts = strtotime($this->dbh->fetch_result($result, 0, $date_check_field));
  71
  72                         if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) &&
  73                                         strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) >= $ts) {
  74                       header('HTTP/1.0 304 Not Modified');
  75                       return;
  76                         }
  77
  78                         $last_modified = gmdate("D, d M Y H:i:s", $ts) . " GMT";
  79                         header("Last-Modified: $last_modified", true);
  80                 }
  81
  82                 /*$qfh_ret = queryFeedHeadlines($feed,
  83                         $limit, $view_mode, $is_cat, $search, false,
  84                         $date_sort_field, $offset, $owner_uid,
  85                         false, 0, true, true, false, false, $start_ts);*/
  86
  87                 $params = array(
  88                         "owner_uid" => $owner_uid,
  89                         "feed" => $feed,
  90                         "limit" => $limit,
  91                         "view_mode" => $view_mode,
  92                         "cat_view" => $is_cat,
  93                         "search" => $search,
  94                         "override_order" => $date_sort_field,
  95                         "include_children" => true,
  96                         "ignore_vfeed_group" => true,
  97                         "offset" => $offset,
  98                         "start_ts" => $start_ts
  99                 );
 100
 101                 $qfh_ret = queryFeedHeadlines($params);
 102
 103                 $result = $qfh_ret[0];
 104                 $feed_title = htmlspecialchars($qfh_ret[1]);
 105                 $feed_site_url = $qfh_ret[2];
 106                 /* $last_error = $qfh_ret[3]; */
 107
 108                 $feed_self_url = get_self_url_prefix() .
 109                         "/public.php?op=rss&id=$feed&key=" .
 110                         get_feed_access_key($feed, false, $owner_uid);
 111
 112                 if (!$feed_site_url) $feed_site_url = get_self_url_prefix();
 113
 114                 if ($format == 'atom') {
 115                         $tpl = new MiniTemplator;
 116
 117                         $tpl->readTemplateFromFile("templates/generated_feed.txt");
 118
 119                         $tpl->setVariable('FEED_TITLE', $feed_title, true);
 120                         $tpl->setVariable('VERSION', VERSION, true);
 121                         $tpl->setVariable('FEED_URL', htmlspecialchars($feed_self_url), true);
 122
 123                         if (PUBSUBHUBBUB_HUB && $feed == -2) {
 124                                 $tpl->setVariable('HUB_URL', htmlspecialchars(PUBSUBHUBBUB_HUB), true);
 125                                 $tpl->addBlock('feed_hub');
 126                         }
 127
 128                         $tpl->setVariable('SELF_URL', htmlspecialchars(get_self_url_prefix()), true);
 129                         while ($line = $this->dbh->fetch_assoc($result)) {
 130                                 $line["content_preview"] = truncate_string(strip_tags($line["content"]), 100, '...');
 131
 132                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
 133                                         $line = $p->hook_query_headlines($line);
 134                                 }
 135
 136                                 $tpl->setVariable('ARTICLE_ID',
 137                                         htmlspecialchars($orig_guid ? $line['link'] :
 138                                                         $this->make_article_tag_uri($line['id'], $line['date_entered'])), true);
 139                                 $tpl->setVariable('ARTICLE_LINK', htmlspecialchars($line['link']), true);
 140                                 $tpl->setVariable('ARTICLE_TITLE', htmlspecialchars($line['title']), true);
 141                                 $tpl->setVariable('ARTICLE_EXCERPT', $line["content_preview"], true);
 142
 143                                 $content = sanitize($line["content"], false, $owner_uid,
 144                                         $feed_site_url);
 145
 146                                 if ($line['note']) {
 147                                         $content = "<div style=\"$note_style\">Article note: " . $line['note'] . "</div>" .
 148                                                 $content;
 149                                         $tpl->setVariable('ARTICLE_NOTE', htmlspecialchars($line['note']), true);
 150                                 }
 151
 152                                 $tpl->setVariable('ARTICLE_CONTENT', $content, true);
 153
 154                                 $tpl->setVariable('ARTICLE_UPDATED_ATOM',
 155                                         date('c', strtotime($line["updated"])), true);
 156                                 $tpl->setVariable('ARTICLE_UPDATED_RFC822',
 157                                         date(DATE_RFC822, strtotime($line["updated"])), true);
 158
 159                                 $tpl->setVariable('ARTICLE_AUTHOR', htmlspecialchars($line['author']), true);
 160
 161                                 $tpl->setVariable('ARTICLE_SOURCE_LINK', htmlspecialchars($line['site_url'] ? $line["site_url"] : get_self_url_prefix()), true);
 162                                 $tpl->setVariable('ARTICLE_SOURCE_TITLE', htmlspecialchars($line['feed_title'] ? $line['feed_title'] : $feed_title), true);
 163
 164                                 $tags = get_article_tags($line["id"], $owner_uid);
 165
 166                                 foreach ($tags as $tag) {
 167                                         $tpl->setVariable('ARTICLE_CATEGORY', htmlspecialchars($tag), true);
 168                                         $tpl->addBlock('category');
 169                                 }
 170
 171                                 $enclosures = get_article_enclosures($line["id"]);
 172
 173                                 foreach ($enclosures as $e) {
 174                                         $type = htmlspecialchars($e['content_type']);
 175                                         $url = htmlspecialchars($e['content_url']);
 176                                         $length = $e['duration'] ? $e['duration'] : 1;
 177
 178                                         $tpl->setVariable('ARTICLE_ENCLOSURE_URL', $url, true);
 179                                         $tpl->setVariable('ARTICLE_ENCLOSURE_TYPE', $type, true);
 180                                         $tpl->setVariable('ARTICLE_ENCLOSURE_LENGTH', $length, true);
 181
 182                                         $tpl->addBlock('enclosure');
 183                                 }
 184
 185                                 $tpl->addBlock('entry');
 186                         }
 187
 188                         $tmp = "";
 189
 190                         $tpl->addBlock('feed');
 191                         $tpl->generateOutputToString($tmp);
 192
 193                         if (@!$_REQUEST["noxml"]) {
 194                                 header("Content-Type: text/xml; charset=utf-8");
 195                         } else {
 196                                 header("Content-Type: text/plain; charset=utf-8");
 197                         }
 198
 199                         print $tmp;
 200                 } else if ($format == 'json') {
 201
 202                         $feed = array();
 203
 204                         $feed['title'] = $feed_title;
 205                         $feed['version'] = VERSION;
 206                         $feed['feed_url'] = $feed_self_url;
 207
 208                         if (PUBSUBHUBBUB_HUB && $feed == -2) {
 209                                 $feed['hub_url'] = PUBSUBHUBBUB_HUB;
 210                         }
 211
 212                         $feed['self_url'] = get_self_url_prefix();
 213
 214                         $feed['articles'] = array();
 215
 216                         while ($line = $this->dbh->fetch_assoc($result)) {
 217                                 $line["content_preview"] = truncate_string(strip_tags($line["content_preview"]), 100, '...');
 218                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
 219                                         $line = $p->hook_query_headlines($line, 100);
 220                                 }
 221                                 $article = array();
 222
 223                                 $article['id'] = $line['link'];
 224                                 $article['link']        = $line['link'];
 225                                 $article['title'] = $line['title'];
 226                                 $article['excerpt'] = $line["content_preview"];
 227                                 $article['content'] = sanitize($line["content"], false, $owner_uid);
 228                                 $article['updated'] = date('c', strtotime($line["updated"]));
 229
 230                                 if ($line['note']) $article['note'] = $line['note'];
 231                                 if ($article['author']) $article['author'] = $line['author'];
 232
 233                                 $tags = get_article_tags($line["id"], $owner_uid);
 234
 235                                 if (count($tags) > 0) {
 236                                         $article['tags'] = array();
 237
 238                                         foreach ($tags as $tag) {
 239                                                 array_push($article['tags'], $tag);
 240                                         }
 241                                 }
 242
 243                                 $enclosures = get_article_enclosures($line["id"]);
 244
 245                                 if (count($enclosures) > 0) {
 246                                         $article['enclosures'] = array();
 247
 248                                         foreach ($enclosures as $e) {
 249                                                 $type = $e['content_type'];
 250                                                 $url = $e['content_url'];
 251                                                 $length = $e['duration'];
 252
 253                                                 array_push($article['enclosures'], array("url" => $url, "type" => $type, "length" => $length));
 254                                         }
 255                                 }
 256
 257                                 array_push($feed['articles'], $article);
 258                         }
 259
 260                         header("Content-Type: text/json; charset=utf-8");
 261                         print json_encode($feed);
 262
 263                 } else {
 264                         header("Content-Type: text/plain; charset=utf-8");
 265                         print json_encode(array("error" => array("message" => "Unknown format")));
 266                 }
 267         }
 268
 269         function getUnread() {
 270                 $login = $this->dbh->escape_string($_REQUEST["login"]);
 271                 $fresh = $_REQUEST["fresh"] == "1";
 272
 273                 $result = $this->dbh->query("SELECT id FROM ttrss_users WHERE login = '$login'");
 274
 275                 if ($this->dbh->num_rows($result) == 1) {
 276                         $uid = $this->dbh->fetch_result($result, 0, "id");
 277
 278                         print getGlobalUnread($uid);
 279
 280                         if ($fresh) {
 281                                 print ";";
 282                                 print getFeedArticles(-3, false, true, $uid);
 283                         }
 284
 285                 } else {
 286                         print "-1;User not found";
 287                 }
 288
 289         }
 290
 291         function getProfiles() {
 292                 $login = $this->dbh->escape_string($_REQUEST["login"]);
 293
 294                 $result = $this->dbh->query("SELECT ttrss_settings_profiles.* FROM ttrss_settings_profiles,ttrss_users
 295                         WHERE ttrss_users.id = ttrss_settings_profiles.owner_uid AND login = '$login' ORDER BY title");
 296
 297                 print "<select dojoType='dijit.form.Select' style='width : 220px; margin : 0px' name='profile'>";
 298
 299                 print "<option value='0'>" . __("Default profile") . "</option>";
 300
 301                 while ($line = $this->dbh->fetch_assoc($result)) {
 302                         $id = $line["id"];
 303                         $title = $line["title"];
 304
 305                         print "<option value='$id'>$title</option>";
 306                 }
 307
 308                 print "</select>";
 309         }
 310
 311         function pubsub() {
 312                 $mode = $this->dbh->escape_string($_REQUEST['hub_mode']);
 313                 if (!$mode) $mode = $this->dbh->escape_string($_REQUEST['hub.mode']);
 314
 315                 $feed_id = (int) $this->dbh->escape_string($_REQUEST['id']);
 316                 $feed_url = $this->dbh->escape_string($_REQUEST['hub_topic']);
 317
 318                 if (!$feed_url) $feed_url = $this->dbh->escape_string($_REQUEST['hub.topic']);
 319
 320                 if (!PUBSUBHUBBUB_ENABLED) {
 321                         header('HTTP/1.0 404 Not Found');
 322                         echo "404 Not found (Disabled by server)";
 323                         return;
 324                 }
 325
 326                 // TODO: implement hub_verifytoken checking
 327                 // TODO: store requested rel=self or whatever for verification
 328                 // (may be different from stored feed url) e.g. http://url/ or http://url
 329
 330                 $result = $this->dbh->query("SELECT feed_url FROM ttrss_feeds
 331                         WHERE id = '$feed_id'");
 332
 333                 if ($this->dbh->num_rows($result) != 0) {
 334
 335                         $check_feed_url = $this->dbh->fetch_result($result, 0, "feed_url");
 336
 337                         // ignore url checking for the time being
 338                         if ($check_feed_url && (true || $check_feed_url == $feed_url || !$feed_url)) {
 339                                 if ($mode == "subscribe") {
 340
 341                                         $this->dbh->query("UPDATE ttrss_feeds SET pubsub_state = 2
 342                                                 WHERE id = '$feed_id'");
 343
 344                                         print $_REQUEST['hub_challenge'];
 345                                         return;
 346
 347                                 } else if ($mode == "unsubscribe") {
 348
 349                                         $this->dbh->query("UPDATE ttrss_feeds SET pubsub_state = 0
 350                                                 WHERE id = '$feed_id'");
 351
 352                                         print $_REQUEST['hub_challenge'];
 353                                         return;
 354
 355                                 } else if (!$mode) {
 356
 357                                         // Received update ping, schedule feed update.
 358                                         //update_rss_feed($feed_id, true, true);
 359
 360                                         $this->dbh->query("UPDATE ttrss_feeds SET
 361                                                 last_update_started = '1970-01-01',
 362                                                 last_updated = '1970-01-01' WHERE id = '$feed_id'");
 363
 364                                 }
 365                         } else {
 366                                 header('HTTP/1.0 404 Not Found');
 367                                 echo "404 Not found (URL check failed)";
 368                         }
 369                 } else {
 370                         header('HTTP/1.0 404 Not Found');
 371                         echo "404 Not found (Feed not found)";
 372                 }
 373
 374         }
 375
 376         function logout() {
 377                 logout_user();
 378                 header("Location: index.php");
 379         }
 380
 381         function share() {
 382                 $uuid = $this->dbh->escape_string($_REQUEST["key"]);
 383
 384                 $result = $this->dbh->query("SELECT ref_id, owner_uid FROM ttrss_user_entries WHERE
 385                         uuid = '$uuid'");
 386
 387                 if ($this->dbh->num_rows($result) != 0) {
 388                         header("Content-Type: text/html");
 389
 390                         $id = $this->dbh->fetch_result($result, 0, "ref_id");
 391                         $owner_uid = $this->dbh->fetch_result($result, 0, "owner_uid");
 392
 393                         $article = format_article($id, false, true, $owner_uid);
 394
 395                         print_r($article['content']);
 396
 397                 } else {
 398                         print "Article not found.";
 399                 }
 400
 401         }
 402
 403         function rss() {
 404                 $feed = $this->dbh->escape_string($_REQUEST["id"]);
 405                 $key = $this->dbh->escape_string($_REQUEST["key"]);
 406                 $is_cat = sql_bool_to_bool($_REQUEST["is_cat"]);
 407                 $limit = (int)$this->dbh->escape_string($_REQUEST["limit"]);
 408                 $offset = (int)$this->dbh->escape_string($_REQUEST["offset"]);
 409
 410                 $search = $this->dbh->escape_string($_REQUEST["q"]);
 411                 $view_mode = $this->dbh->escape_string($_REQUEST["view-mode"]);
 412                 $order = $this->dbh->escape_string($_REQUEST["order"]);
 413                 $start_ts = $this->dbh->escape_string($_REQUEST["ts"]);
 414
 415                 $format = $this->dbh->escape_string($_REQUEST['format']);
 416                 $orig_guid = sql_bool_to_bool($_REQUEST["orig_guid"]);
 417
 418                 if (!$format) $format = 'atom';
 419
 420                 if (SINGLE_USER_MODE) {
 421                         authenticate_user("admin", null);
 422                 }
 423
 424                 $owner_id = false;
 425
 426                 if ($key) {
 427                         $result = $this->dbh->query("SELECT owner_uid FROM
 428                                 ttrss_access_keys WHERE access_key = '$key' AND feed_id = '$feed'");
 429
 430                         if ($this->dbh->num_rows($result) == 1)
 431                                 $owner_id = $this->dbh->fetch_result($result, 0, "owner_uid");
 432                 }
 433
 434                 if ($owner_id) {
 435                         $this->generate_syndicated_feed($owner_id, $feed, $is_cat, $limit,
 436                                 $offset, $search, $view_mode, $format, $order, $orig_guid, $start_ts);
 437                 } else {
 438                         header('HTTP/1.1 403 Forbidden');
 439                 }
 440         }
 441
 442         function updateTask() {
 443                 PluginHost::getInstance()->run_hooks(PluginHost::HOOK_UPDATE_TASK, "hook_update_task", false);
 444         }
 445
 446         function housekeepingTask() {
 447                 PluginHost::getInstance()->run_hooks(PluginHost::HOOK_HOUSE_KEEPING, "hook_house_keeping", false);
 448         }
 449
 450         function globalUpdateFeeds() {
 451                 RPC::updaterandomfeed_real($this->dbh);
 452
 453                 PluginHost::getInstance()->run_hooks(PluginHost::HOOK_UPDATE_TASK, "hook_update_task", false);
 454         }
 455
 456         function sharepopup() {
 457                 if (SINGLE_USER_MODE) {
 458                         login_sequence();
 459                 }
 460
 461                 header('Content-Type: text/html; charset=utf-8');
 462                 print "<html><head><title>Tiny Tiny RSS</title>
 463                 <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
 464                 <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">";
 465
 466                 echo stylesheet_tag("css/utility.css");
 467                 echo stylesheet_tag("css/dijit.css");
 468                 echo javascript_tag("lib/prototype.js");
 469                 echo javascript_tag("lib/scriptaculous/scriptaculous.js?load=effects,controls");
 470                 print "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
 471                         </head><body id='sharepopup'>";
 472
 473                 $action = $_REQUEST["action"];
 474
 475                 if ($_SESSION["uid"]) {
 476
 477                         if ($action == 'share') {
 478
 479                                 $title = $this->dbh->escape_string(strip_tags($_REQUEST["title"]));
 480                                 $url = $this->dbh->escape_string(strip_tags($_REQUEST["url"]));
 481                                 $content = $this->dbh->escape_string(strip_tags($_REQUEST["content"]));
 482                                 $labels = $this->dbh->escape_string(strip_tags($_REQUEST["labels"]));
 483
 484                                 Article::create_published_article($title, $url, $content, $labels,
 485                                         $_SESSION["uid"]);
 486
 487                                 print "<script type='text/javascript'>";
 488                                 print "window.close();";
 489                                 print "</script>";
 490
 491                         } else {
 492                                 $title = htmlspecialchars($_REQUEST["title"]);
 493                                 $url = htmlspecialchars($_REQUEST["url"]);
 494
 495                                 ?>
 496
 497                                 <table height='100%' width='100%'><tr><td colspan='2'>
 498                                 <h1><?php echo __("Share with Tiny Tiny RSS") ?></h1>
 499                                 </td></tr>
 500
 501                                 <form id='share_form' name='share_form'>
 502
 503                                 <input type="hidden" name="op" value="sharepopup">
 504                                 <input type="hidden" name="action" value="share">
 505
 506                                 <tr><td align='right'><?php echo __("Title:") ?></td>
 507                                 <td width='80%'><input name='title' value="<?php echo $title ?>"></td></tr>
 508                                 <tr><td align='right'><?php echo __("URL:") ?></td>
 509                                 <td><input name='url' value="<?php echo $url ?>"></td></tr>
 510                                 <tr><td align='right'><?php echo __("Content:") ?></td>
 511                                 <td><input name='content' value=""></td></tr>
 512                                 <tr><td align='right'><?php echo __("Labels:") ?></td>
 513                                 <td><input name='labels' id="labels_value"
 514                                         placeholder='Alpha, Beta, Gamma' value="">
 515                                 </td></tr>
 516
 517                                 <tr><td>
 518                                         <div class="autocomplete" id="labels_choices"
 519                                                 style="display : block"></div></td></tr>
 520
 521                                 <script type='text/javascript'>document.forms[0].title.focus();</script>
 522
 523                                 <script type='text/javascript'>
 524                                         new Ajax.Autocompleter('labels_value', 'labels_choices',
 525                                    "backend.php?op=rpc&method=completeLabels",
 526                                    { tokens: ',', paramName: "search" });
 527                                 </script>
 528
 529                                 <tr><td colspan='2'>
 530                                         <div style='float : right' class='insensitive-small'>
 531                                         <?php echo __("Shared article will appear in the Published feed.") ?>
 532                                         </div>
 533                                         <button type="submit"><?php echo __('Share') ?></button>
 534                                         <button onclick="return window.close()"><?php echo __('Cancel') ?></button>
 535                                         </td>
 536
 537                                 </form>
 538                                 </td></tr></table>
 539                                 </body></html>
 540                                 <?php
 541
 542                         }
 543
 544                 } else {
 545
 546                         $return = urlencode($_SERVER["REQUEST_URI"])
 547                         ?>
 548
 549                         <form action="public.php?return=<?php echo $return ?>"
 550                                 method="POST" id="loginForm" name="loginForm">
 551
 552                         <input type="hidden" name="op" value="login">
 553
 554                         <table height='100%' width='100%'><tr><td colspan='2'>
 555                         <h1><?php echo __("Not logged in") ?></h1></td></tr>
 556
 557                         <tr><td align="right"><?php echo __("Login:") ?></td>
 558                         <td align="right"><input name="login"
 559                                 value="<?php echo $_SESSION["fake_login"] ?>"></td></tr>
 560                                 <tr><td align="right"><?php echo __("Password:") ?></td>
 561                                 <td align="right"><input type="password" name="password"
 562                                 value="<?php echo $_SESSION["fake_password"] ?>"></td></tr>
 563                         <tr><td colspan='2'>
 564                                 <button type="submit">
 565                                         <?php echo __('Log in') ?></button>
 566
 567                                 <button onclick="return window.close()">
 568                                         <?php echo __('Cancel') ?></button>
 569                         </td></tr>
 570                         </table>
 571
 572                         </form>
 573                         <?php
 574                 }
 575         }
 576
 577         function login() {
 578                 if (!SINGLE_USER_MODE) {
 579
 580                         $login = $this->dbh->escape_string($_POST["login"]);
 581                         $password = $_POST["password"];
 582                         $remember_me = $_POST["remember_me"];
 583
 584                         if ($remember_me) {
 585                                 session_set_cookie_params(SESSION_COOKIE_LIFETIME);
 586                         } else {
 587                                 session_set_cookie_params(0);
 588                         }
 589
 590                         @session_start();
 591
 592                         if (authenticate_user($login, $password)) {
 593                                 $_POST["password"] = "";
 594
 595                                 if (get_schema_version() >= 120) {
 596                                         $_SESSION["language"] = get_pref("USER_LANGUAGE", $_SESSION["uid"]);
 597                                 }
 598
 599                                 $_SESSION["ref_schema_version"] = get_schema_version(true);
 600                                 $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
 601
 602                                 if ($_POST["profile"]) {
 603
 604                                         $profile = $this->dbh->escape_string($_POST["profile"]);
 605
 606                                         $result = $this->dbh->query("SELECT id FROM ttrss_settings_profiles
 607                                                 WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
 608
 609                                         if ($this->dbh->num_rows($result) != 0) {
 610                                                 $_SESSION["profile"] = $profile;
 611                                         }
 612                                 }
 613                         } else {
 614                                 $_SESSION["login_error_msg"] = __("Incorrect username or password");
 615                                 user_error("Failed login attempt for $login from {$_SERVER['REMOTE_ADDR']}", E_USER_WARNING);
 616                         }
 617
 618                         if ($_REQUEST['return']) {
 619                                 header("Location: " . $_REQUEST['return']);
 620                         } else {
 621                                 header("Location: " . SELF_URL_PATH);
 622                         }
 623                 }
 624         }
 625
 626         /* function subtest() {
 627                 header("Content-type: text/plain; charset=utf-8");
 628
 629                 $url = $_REQUEST["url"];
 630
 631                 print "$url\n\n";
 632
 633
 634                 print_r(get_feeds_from_html($url, fetch_file_contents($url)));
 635
 636         } */
 637
 638         function subscribe() {
 639                 if (SINGLE_USER_MODE) {
 640                         login_sequence();
 641                 }
 642
 643                 if ($_SESSION["uid"]) {
 644
 645                         $feed_url = $this->dbh->escape_string(trim($_REQUEST["feed_url"]));
 646
 647                         header('Content-Type: text/html; charset=utf-8');
 648                         print "<html>
 649                                 <head>
 650                                         <title>Tiny Tiny RSS</title>
 651                                         <link rel=\"stylesheet\" type=\"text/css\" href=\"css/utility.css\">
 652                                         <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
 653                                         <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
 654                                         <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">
 655
 656                                 </head>
 657                                 <body>
 658                                 <img class=\"floatingLogo\" src=\"images/logo_small.png\"
 659                                         alt=\"Tiny Tiny RSS\"/>
 660                                         <h1>".__("Subscribe to feed...")."</h1><div class='content'>";
 661
 662                         $rc = subscribe_to_feed($feed_url);
 663
 664                         switch ($rc['code']) {
 665                         case 0:
 666                                 print_warning(T_sprintf("Already subscribed to <b>%s</b>.", $feed_url));
 667                                 break;
 668                         case 1:
 669                                 print_notice(T_sprintf("Subscribed to <b>%s</b>.", $feed_url));
 670                                 break;
 671                         case 2:
 672                                 print_error(T_sprintf("Could not subscribe to <b>%s</b>.", $feed_url));
 673                                 break;
 674                         case 3:
 675                                 print_error(T_sprintf("No feeds found in <b>%s</b>.", $feed_url));
 676                                 break;
 677                         case 4:
 678                                 print_notice(__("Multiple feed URLs found."));
 679                                 $feed_urls = $rc["feeds"];
 680                                 break;
 681                         case 5:
 682                                 print_error(T_sprintf("Could not subscribe to <b>%s</b>.<br>Can't download the Feed URL.", $feed_url));
 683                                 break;
 684                         }
 685
 686                         if ($feed_urls) {
 687
 688                                 print "<form action=\"public.php\">";
 689                                 print "<input type=\"hidden\" name=\"op\" value=\"subscribe\">";
 690
 691                                 print "<select name=\"feed_url\">";
 692
 693                                 foreach ($feed_urls as $url => $name) {
 694                                         $url = htmlspecialchars($url);
 695                                         $name = htmlspecialchars($name);
 696
 697                                         print "<option value=\"$url\">$name</option>";
 698                                 }
 699
 700                                 print "<input type=\"submit\" value=\"".__("Subscribe to selected feed").
 701                                         "\">";
 702
 703                                 print "</form>";
 704                         }
 705
 706                         $tp_uri = get_self_url_prefix() . "/prefs.php";
 707                         $tt_uri = get_self_url_prefix();
 708
 709                         if ($rc['code'] <= 2){
 710                                 $result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
 711                                         feed_url = '$feed_url' AND owner_uid = " . $_SESSION["uid"]);
 712
 713                                 $feed_id = $this->dbh->fetch_result($result, 0, "id");
 714                         } else {
 715                                 $feed_id = 0;
 716                         }
 717                         print "<p>";
 718
 719                         if ($feed_id) {
 720                                 print "<form method=\"GET\" style='display: inline'
 721                                         action=\"$tp_uri\">
 722                                         <input type=\"hidden\" name=\"tab\" value=\"feedConfig\">
 723                                         <input type=\"hidden\" name=\"method\" value=\"editFeed\">
 724                                         <input type=\"hidden\" name=\"methodparam\" value=\"$feed_id\">
 725                                         <input type=\"submit\" value=\"".__("Edit subscription options")."\">
 726                                         </form>";
 727                         }
 728
 729                         print "<form style='display: inline' method=\"GET\" action=\"$tt_uri\">
 730                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 731                                 </form></p>";
 732
 733                         print "</div></body></html>";
 734
 735                 } else {
 736                         render_login_form();
 737                 }
 738         }
 739
 740         function index() {
 741                 header("Content-Type: text/plain");
 742                 print error_json(13);
 743         }
 744
 745         function forgotpass() {
 746                 startup_gettext();
 747
 748                 @$hash = $_REQUEST["hash"];
 749
 750                 header('Content-Type: text/html; charset=utf-8');
 751                 print "<html><head><title>Tiny Tiny RSS</title>
 752                 <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
 753                 <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">";
 754
 755                 echo stylesheet_tag("css/utility.css");
 756                 echo javascript_tag("lib/prototype.js");
 757
 758                 print "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
 759                         </head><body id='forgotpass'>";
 760
 761                 print '<div class="floatingLogo"><img src="images/logo_small.png"></div>';
 762                 print "<h1>".__("Password recovery")."</h1>";
 763                 print "<div class='content'>";
 764
 765                 @$method = $_POST['method'];
 766
 767                 if ($hash) {
 768                         $login = $_REQUEST["login"];
 769
 770                         if ($login) {
 771                                 $result = $this->dbh->query("SELECT id, resetpass_token FROM ttrss_users
 772                                         WHERE login = '$login'");
 773
 774                                 if ($this->dbh->num_rows($result) != 0) {
 775                                         $id = $this->dbh->fetch_result($result, 0, "id");
 776                                         $resetpass_token_full = $this->dbh->fetch_result($result, 0, "resetpass_token");
 777                                         list($timestamp, $resetpass_token) = explode(":", $resetpass_token_full);
 778
 779                                         if ($timestamp && $resetpass_token &&
 780                                                 $timestamp >= time() - 15*60*60 &&
 781                                                 $resetpass_token == $hash) {
 782
 783                                                         $result = $this->dbh->query("UPDATE ttrss_users SET resetpass_token = NULL
 784                                                                 WHERE id = $id");
 785
 786                                                         Pref_Users::resetUserPassword($id, true);
 787
 788                                                         print "<p>"."Completed."."</p>";
 789
 790                                         } else {
 791                                                 print_error("Some of the information provided is missing or incorrect.");
 792                                         }
 793                                 } else {
 794                                         print_error("Some of the information provided is missing or incorrect.");
 795                                 }
 796                         } else {
 797                                 print_error("Some of the information provided is missing or incorrect.");
 798                         }
 799
 800                         print "<form method=\"GET\" action=\"index.php\">
 801                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 802                                 </form>";
 803
 804                 } else if (!$method) {
 805                         print_notice(__("You will need to provide valid account name and email. A password reset link will be sent to your email address."));
 806
 807                         print "<form method='POST' action='public.php'>";
 808                         print "<input type='hidden' name='method' value='do'>";
 809                         print "<input type='hidden' name='op' value='forgotpass'>";
 810
 811                         print "<fieldset>";
 812                         print "<label>".__("Login:")."</label>";
 813                         print "<input type='text' name='login' value='' required>";
 814                         print "</fieldset>";
 815
 816                         print "<fieldset>";
 817                         print "<label>".__("Email:")."</label>";
 818                         print "<input type='email' name='email' value='' required>";
 819                         print "</fieldset>";
 820
 821                         print "<fieldset>";
 822                         print "<label>".__("How much is two plus two:")."</label>";
 823                         print "<input type='text' name='test' value='' required>";
 824                         print "</fieldset>";
 825
 826                         print "<p/>";
 827                         print "<button type='submit'>".__("Reset password")."</button>";
 828
 829                         print "</form>";
 830                 } else if ($method == 'do') {
 831
 832                         $login = $this->dbh->escape_string($_POST["login"]);
 833                         $email = $this->dbh->escape_string($_POST["email"]);
 834                         $test = $this->dbh->escape_string($_POST["test"]);
 835
 836                         if (($test != 4 && $test != 'four') || !$email || !$login) {
 837                                 print_error(__('Some of the required form parameters are missing or incorrect.'));
 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                         } else {
 845
 846                                 print_notice("Password reset instructions are being sent to your email address.");
 847
 848                                 $result = $this->dbh->query("SELECT id FROM ttrss_users
 849                                         WHERE login = '$login' AND email = '$email'");
 850
 851                                 if ($this->dbh->num_rows($result) != 0) {
 852                                         $id = $this->dbh->fetch_result($result, 0, "id");
 853
 854                                         if ($id) {
 855                                                 $resetpass_token = sha1(get_random_bytes(128));
 856                                                 $resetpass_link = get_self_url_prefix() . "/public.php?op=forgotpass&hash=" . $resetpass_token .
 857                                                         "&login=" . urlencode($login);
 858
 859                                                 require_once 'classes/ttrssmailer.php';
 860                                                 require_once "lib/MiniTemplator.class.php";
 861
 862                                                 $tpl = new MiniTemplator;
 863
 864                                                 $tpl->readTemplateFromFile("templates/resetpass_link_template.txt");
 865
 866                                                 $tpl->setVariable('LOGIN', $login);
 867                                                 $tpl->setVariable('RESETPASS_LINK', $resetpass_link);
 868
 869                                                 $tpl->addBlock('message');
 870
 871                                                 $message = "";
 872
 873                                                 $tpl->generateOutputToString($message);
 874
 875                                                 $mail = new ttrssMailer();
 876
 877                                                 $rc = $mail->quickMail($email, $login,
 878                                                         __("[tt-rss] Password reset request"),
 879                                                         $message, false);
 880
 881                                                 if (!$rc) print_error($mail->ErrorInfo);
 882
 883                                                 $resetpass_token_full = $this->dbh->escape_string(time() . ":" . $resetpass_token);
 884
 885                                                 $result = $this->dbh->query("UPDATE ttrss_users
 886                                                         SET resetpass_token = '$resetpass_token_full'
 887                                                         WHERE login = '$login' AND email = '$email'");
 888
 889                                                 //Pref_Users::resetUserPassword($id, false);
 890
 891                                                 print "<p>";
 892
 893                                                 print "<p>"."Completed."."</p>";
 894                                         } else {
 895                                                 print_error("User ID not found.");
 896                                         }
 897
 898                                         print "<form method=\"GET\" action=\"index.php\">
 899                                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 900                                                 </form>";
 901
 902                                 } else {
 903                                         print_error(__("Sorry, login and email combination not found."));
 904
 905                                         print "<form method=\"GET\" action=\"public.php\">
 906                                                 <input type=\"hidden\" name=\"op\" value=\"forgotpass\">
 907                                                 <input type=\"submit\" value=\"".__("Go back")."\">
 908                                                 </form>";
 909
 910                                 }
 911                         }
 912
 913                 }
 914
 915                 print "</div>";
 916                 print "</body>";
 917                 print "</html>";
 918
 919         }
 920
 921         function dbupdate() {
 922                 startup_gettext();
 923
 924                 if (!SINGLE_USER_MODE && $_SESSION["access_level"] < 10) {
 925                         $_SESSION["login_error_msg"] = __("Your access level is insufficient to run this script.");
 926                         render_login_form();
 927                         exit;
 928                 }
 929
 930                 ?><html>
 931                         <head>
 932                         <title>Database Updater</title>
 933                         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
 934                         <link rel="stylesheet" type="text/css" href="css/utility.css"/>
 935                         <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
 936                         <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">
 937                         </head>
 938                         <style type="text/css">
 939                                 span.ok { color : #009000; font-weight : bold; }
 940                                 span.err { color : #ff0000; font-weight : bold; }
 941                         </style>
 942                 <body>
 943                         <script type='text/javascript'>
 944                         function confirmOP() {
 945                                 return confirm("Update the database?");
 946                         }
 947                         </script>
 948
 949                         <div class="floatingLogo"><img src="images/logo_small.png"></div>
 950
 951                         <h1><?php echo __("Database Updater") ?></h1>
 952
 953                         <div class="content">
 954
 955                         <?php
 956                                 @$op = $_REQUEST["subop"];
 957                                 $updater = new DbUpdater(Db::get(), DB_TYPE, SCHEMA_VERSION);
 958
 959                                 if ($op == "performupdate") {
 960                                         if ($updater->isUpdateRequired()) {
 961
 962                                                 print "<h2>Performing updates</h2>";
 963
 964                                                 print "<h3>Updating to schema version " . SCHEMA_VERSION . "</h3>";
 965
 966                                                 print "<ul>";
 967
 968                                                 for ($i = $updater->getSchemaVersion() + 1; $i <= SCHEMA_VERSION; $i++) {
 969                                                         print "<li>Performing update up to version $i...";
 970
 971                                                         $result = $updater->performUpdateTo($i);
 972
 973                                                         if (!$result) {
 974                                                                 print "<span class='err'>FAILED!</span></li></ul>";
 975
 976                                                                 print_warning("One of the updates failed. Either retry the process or perform updates manually.");
 977                                                                 print "<p><form method=\"GET\" action=\"index.php\">
 978                                                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 979                                                                 </form>";
 980
 981                                                                 break;
 982                                                         } else {
 983                                                                 print "<span class='ok'>OK!</span></li>";
 984                                                         }
 985                                                 }
 986
 987                                                 print "</ul>";
 988
 989                                                 print_notice("Your Tiny Tiny RSS database is now updated to the latest version.");
 990
 991                                                 print "<p><form method=\"GET\" action=\"index.php\">
 992                                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 993                                                 </form>";
 994
 995                                         } else {
 996                                                 print "<h2>Your database is up to date.</h2>";
 997
 998                                                 print "<p><form method=\"GET\" action=\"index.php\">
 999                                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
1000                                                 </form>";
1001                                         }
1002                                 } else {
1003                                         if ($updater->isUpdateRequired()) {
1004
1005                                                 print "<h2>Database update required</h2>";
1006
1007                                                 print_notice("<h4>".
1008                                                 sprintf("Your Tiny Tiny RSS database needs update to the latest version: %d to %d.",
1009                                                         $updater->getSchemaVersion(), SCHEMA_VERSION).
1010                                                 "</h4>");
1011
1012                                                 print_warning("Please backup your database before proceeding.");
1013
1014                                                 print "<form method='POST'>
1015                                                         <input type='hidden' name='subop' value='performupdate'>
1016                                                         <input type='submit' onclick='return confirmOP()' value='".__("Perform updates")."'>
1017                                                 </form>";
1018
1019                                         } else {
1020
1021                                                 print_notice("Tiny Tiny RSS database is up to date.");
1022
1023                                                 print "<p><form method=\"GET\" action=\"index.php\">
1024                                                         <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
1025                                                 </form>";
1026
1027                                         }
1028                                 }
1029                         ?>
1030
1031                         </div>
1032                         </body>
1033                         </html>
1034                 <?php
1035         }
1036
1037         function cached_image() {
1038                 @$hash = basename($_GET['hash']);
1039
1040                 if ($hash) {
1041
1042                         $filename = CACHE_DIR . '/images/' . $hash . '.png';
1043
1044                         if (file_exists($filename)) {
1045                                 /* See if we can use X-Sendfile */
1046                                 $xsendfile = false;
1047                                 if (function_exists('apache_get_modules') &&
1048                                     array_search('mod_xsendfile', apache_get_modules()))
1049                                         $xsendfile = true;
1050
1051                                 if ($xsendfile) {
1052                                         header("X-Sendfile: $filename");
1053                                         header("Content-type: application/octet-stream");
1054                                         header('Content-Disposition: attachment; filename="' . basename($filename) . '"');
1055                                 } else {
1056                                         header("Content-type: image/png");
1057                                         $stamp = gmdate("D, d M Y H:i:s", filemtime($filename)). " GMT";
1058                                         header("Last-Modified: $stamp", true);
1059                                         readfile($filename);
1060                                 }
1061                         } else {
1062                                 header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
1063                                 echo "File not found.";
1064                         }
1065                 }
1066         }
1067
1068         private function make_article_tag_uri($id, $timestamp) {
1069
1070                 $timestamp = date("Y-m-d", strtotime($timestamp));
1071
1072                 return "tag:" . parse_url(get_self_url_prefix(), PHP_URL_HOST) . ",$timestamp:/$id";
1073         }
1074 }
1075 ?>