classes/feeds.php

   1 <?php
   2 require_once "colors.php";
   3
   4 class Feeds extends Handler_Protected {
   5
   6     private $params;
   7
   8     function csrf_ignore($method) {
   9                 $csrf_ignored = array("index", "feedbrowser", "quickaddfeed", "search");
  10
  11                 return array_search($method, $csrf_ignored) !== false;
  12         }
  13
  14         private function format_headline_subtoolbar($feed_site_url, $feed_title,
  15                         $feed_id, $is_cat, $search,
  16                         $error, $feed_last_updated) {
  17
  18                 $catchup_sel_link = "catchupSelection()";
  19
  20                 $archive_sel_link = "archiveSelection()";
  21                 $delete_sel_link = "deleteSelection()";
  22
  23                 $sel_all_link = "selectArticles('all')";
  24                 $sel_unread_link = "selectArticles('unread')";
  25                 $sel_none_link = "selectArticles('none')";
  26                 $sel_inv_link = "selectArticles('invert')";
  27
  28                 $tog_unread_link = "selectionToggleUnread()";
  29                 $tog_marked_link = "selectionToggleMarked()";
  30                 $tog_published_link = "selectionTogglePublished()";
  31
  32                 $set_score_link = "setSelectionScore()";
  33
  34                 if ($is_cat) $cat_q = "&is_cat=$is_cat";
  35
  36                 if ($search) {
  37                         $search_q = "&q=$search";
  38                 } else {
  39                         $search_q = "";
  40                 }
  41
  42                 $reply = "<span class=\"holder\">";
  43
  44                 $rss_link = htmlspecialchars(get_self_url_prefix() .
  45                         "/public.php?op=rss&id=$feed_id$cat_q$search_q");
  46
  47                 // right part
  48
  49                 $error_class = $error ? "error" : "";
  50
  51                 $reply .= "<span class='r'>
  52                         <a href=\"#\"
  53                                 title=\"".__("View as RSS feed")."\"
  54                                 onclick=\"displayDlg('".__("View as RSS")."','generatedFeed', '$feed_id:$is_cat:$rss_link')\">
  55                                 <img class=\"noborder\" src=\"images/pub_set.png\"></a>";
  56
  57
  58 #               $reply .= "<span>";
  59                 $reply .= "<span id='feed_title' class='$error_class'>";
  60
  61                 if ($feed_site_url) {
  62                         $last_updated = T_sprintf("Last updated: %s",
  63                                 $feed_last_updated);
  64
  65                         $target = "target=\"_blank\"";
  66                         $reply .= "<a title=\"$last_updated\" $target href=\"$feed_site_url\">".
  67                                 truncate_string(strip_tags($feed_title), 30)."</a>";
  68
  69                         if ($error) {
  70                                 $error = htmlspecialchars($error);
  71                                 $reply .= "&nbsp;<img title=\"$error\" src='images/error.png' alt='error' class=\"noborder\">";
  72                         }
  73
  74                 } else {
  75                         $reply .= strip_tags($feed_title);
  76                 }
  77
  78                 $reply .= "</span>";
  79
  80                 $reply .= "</span>";
  81
  82 #               $reply .= "</span>";
  83
  84                 // left part
  85
  86                 $reply .= "<span class=\"main\">";
  87                 $reply .= "<span id='selected_prompt'></span>";
  88
  89                 /*$reply .= "<span class=\"sel_links\">
  90                         <a href=\"#\" onclick=\"$sel_all_link\">".__('All')."</a>,
  91                         <a href=\"#\" onclick=\"$sel_unread_link\">".__('Unread')."</a>,
  92                         <a href=\"#\" onclick=\"$sel_inv_link\">".__('Invert')."</a>,
  93                         <a href=\"#\" onclick=\"$sel_none_link\">".__('None')."</a></li>";
  94
  95                 $reply .= "</span> "; */
  96
  97                 $reply .= "<select dojoType=\"dijit.form.Select\"
  98                         onchange=\"headlineActionsChange(this)\">";
  99
 100                 $reply .= "<option value=\"0\" disabled='1'>".__('Select...')."</option>";
 101
 102                 $reply .= "<option value=\"$sel_all_link\">".__('All')."</option>";
 103                 $reply .= "<option value=\"$sel_unread_link\">".__('Unread')."</option>";
 104                 $reply .= "<option value=\"$sel_inv_link\">".__('Invert')."</option>";
 105                 $reply .= "<option value=\"$sel_none_link\">".__('None')."</option>";
 106
 107                 $reply .= "<option value=\"0\" disabled=\"1\">".__('Selection toggle:')."</option>";
 108
 109                 $reply .= "<option value=\"$tog_unread_link\">".__('Unread')."</option>
 110                         <option value=\"$tog_marked_link\">".__('Starred')."</option>
 111                         <option value=\"$tog_published_link\">".__('Published')."</option>";
 112
 113                 $reply .= "<option value=\"0\" disabled=\"1\">".__('Selection:')."</option>";
 114
 115                 $reply .= "<option value=\"$catchup_sel_link\">".__('Mark as read')."</option>";
 116                 $reply .= "<option value=\"$set_score_link\">".__('Set score')."</option>";
 117
 118                 if ($feed_id != "0") {
 119                         $reply .= "<option value=\"$archive_sel_link\">".__('Archive')."</option>";
 120                 } else {
 121                         $reply .= "<option value=\"$archive_sel_link\">".__('Move back')."</option>";
 122                         $reply .= "<option value=\"$delete_sel_link\">".__('Delete')."</option>";
 123
 124                 }
 125
 126                 if (PluginHost::getInstance()->get_plugin("mail")) {
 127                         $reply .= "<option value=\"emailArticle(false)\">".__('Forward by email').
 128                                 "</option>";
 129                 }
 130
 131                 if (PluginHost::getInstance()->get_plugin("mailto")) {
 132                         $reply .= "<option value=\"mailtoArticle(false)\">".__('Forward by email').
 133                                 "</option>";
 134                 }
 135
 136                 $reply .= "<option value=\"0\" disabled=\"1\">".__('Feed:')."</option>";
 137
 138                 //$reply .= "<option value=\"catchupPage()\">".__('Mark as read')."</option>";
 139
 140                 $reply .= "<option value=\"displayDlg('".__("View as RSS")."','generatedFeed', '$feed_id:$is_cat:$rss_link')\">".__('View as RSS')."</option>";
 141
 142                 $reply .= "</select>";
 143
 144                 //$reply .= "</h2";
 145
 146                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HEADLINE_TOOLBAR_BUTTON) as $p) {
 147                          $reply .= $p->hook_headline_toolbar_button($feed_id, $is_cat);
 148                 }
 149
 150                 $reply .= "</span></span>";
 151
 152                 return $reply;
 153         }
 154
 155         private function format_headlines_list($feed, $method, $view_mode, $limit, $cat_view,
 156                                         $offset, $vgr_last_feed = false,
 157                                         $override_order = false, $include_children = false, $check_first_id = false,
 158                                         $skip_first_id_check = false) {
 159
 160                 $disable_cache = false;
 161
 162                 $reply = array();
 163
 164                 $rgba_cache = array();
 165
 166                 $timing_info = microtime(true);
 167
 168                 $topmost_article_ids = array();
 169
 170                 if (!$offset) $offset = 0;
 171                 if ($method == "undefined") $method = "";
 172
 173                 $method_split = explode(":", $method);
 174
 175                 if ($method == "ForceUpdate" && $feed > 0 && is_numeric($feed)) {
 176                         // Update the feed if required with some basic flood control
 177
 178                         $any_needs_curl = false;
 179
 180                         if (ini_get("open_basedir")) {
 181                                 $pluginhost = PluginHost::getInstance();
 182                                 foreach ($pluginhost->get_plugins() as $plugin) {
 183                                         $flags = $plugin->flags();
 184
 185                                         if (isset($flags["needs_curl"]) && $flags["needs_curl"]) {
 186                                                 $any_needs_curl = true;
 187                                                 break;
 188                                         }
 189                                 }
 190                         }
 191
 192                         //if ($_REQUEST["debug"]) print "<!-- any_needs_curl: $any_needs_curl -->";
 193
 194                         if (!$any_needs_curl) {
 195
 196                                 $sth = $this->pdo->prepare("SELECT cache_images," . SUBSTRING_FOR_DATE . "(last_updated,1,19) AS last_updated
 197                                                 FROM ttrss_feeds WHERE id = ?");
 198                                 $sth->execute([$feed]);
 199
 200                                 if ($row = $sth->fetch()) {
 201                                         $last_updated = strtotime($row["last_updated"]);
 202                                         $cache_images = $row["cache_images"];
 203
 204                                         if (!$cache_images && time() - $last_updated > 120) {
 205                                             try {
 206                                                         RSSUtils::update_rss_feed($feed, true);
 207                                                 } catch (PDOException $e) {
 208                                                 user_error("PDO Exception while doing on-demand feed update for $feed: " . $e->getMessage(), E_USER_NOTICE);
 209                         }
 210                                         } else {
 211                                                 $sth = $this->pdo->prepare("UPDATE ttrss_feeds
 212                                 SET last_updated = '1970-01-01', last_update_started = '1970-01-01'
 213                                                                 WHERE id = ?");
 214                                                 $sth->execute([$feed]);
 215                                         }
 216                                 }
 217                         } else {
 218                                 $sth = $this->pdo->prepare("UPDATE ttrss_feeds
 219                                 SET last_updated = '1970-01-01', last_update_started = '1970-01-01'
 220                                                                 WHERE id = ?");
 221                                 $sth->execute([$feed]);
 222                         }
 223                 }
 224
 225                 if ($method_split[0] == "MarkAllReadGR")  {
 226                         $this->catchup_feed($method_split[1], false);
 227                 }
 228
 229                 // FIXME: might break tag display?
 230
 231                 if (is_numeric($feed) && $feed > 0 && !$cat_view) {
 232                         $sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE id = ? LIMIT 1");
 233                         $sth->execute([$feed]);
 234
 235                         if (!$sth->fetch()) {
 236                                 $reply['content'] = "<div align='center'>".__('Feed not found.')."</div>";
 237                         }
 238                 }
 239
 240                 @$search = $_REQUEST["query"];
 241                 @$search_language = $_REQUEST["search_language"]; // PGSQL only
 242
 243                 if ($search) {
 244                         $disable_cache = true;
 245                 }
 246
 247                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
 248
 249                 if (!$cat_view && is_numeric($feed) && $feed < PLUGIN_FEED_BASE_INDEX && $feed > LABEL_BASE_INDEX) {
 250                         $handler = PluginHost::getInstance()->get_feed_handler(
 251                                 PluginHost::feed_to_pfeed_id($feed));
 252
 253                         if ($handler) {
 254                                 $options = array(
 255                                         "limit" => $limit,
 256                                         "view_mode" => $view_mode,
 257                                         "cat_view" => $cat_view,
 258                                         "search" => $search,
 259                                         "override_order" => $override_order,
 260                                         "offset" => $offset,
 261                                         "owner_uid" => $_SESSION["uid"],
 262                                         "filter" => false,
 263                                         "since_id" => 0,
 264                                         "include_children" => $include_children);
 265
 266                                 $qfh_ret = $handler->get_headlines(PluginHost::feed_to_pfeed_id($feed),
 267                                         $options);
 268                         }
 269
 270                 } else {
 271
 272                         $params = array(
 273                                 "feed" => $feed,
 274                                 "limit" => $limit,
 275                                 "view_mode" => $view_mode,
 276                                 "cat_view" => $cat_view,
 277                                 "search" => $search,
 278                                 "search_language" => $search_language,
 279                                 "override_order" => $override_order,
 280                                 "offset" => $offset,
 281                                 "include_children" => $include_children,
 282                                 "check_first_id" => $check_first_id,
 283                                 "skip_first_id_check" => $skip_first_id_check
 284                         );
 285
 286                         $qfh_ret = $this->queryFeedHeadlines($params);
 287                 }
 288
 289                 $vfeed_group_enabled = get_pref("VFEED_GROUP_BY_FEED") && $feed != -6;
 290
 291                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
 292
 293                 $result = $qfh_ret[0]; // this could be either a PDO query result or a -1 if first id changed
 294                 $feed_title = $qfh_ret[1];
 295                 $feed_site_url = $qfh_ret[2];
 296                 $last_error = $qfh_ret[3];
 297                 $last_updated = strpos($qfh_ret[4], '1970-') === FALSE ?
 298                         make_local_datetime($qfh_ret[4], false) : __("Never");
 299                 $highlight_words = $qfh_ret[5];
 300                 $reply['first_id'] = $qfh_ret[6];
 301                 $reply['search_query'] = [$search, $search_language];
 302
 303                 $vgroup_last_feed = $vgr_last_feed;
 304
 305                 $reply['toolbar'] = $this->format_headline_subtoolbar($feed_site_url,
 306                         $feed_title,
 307                         $feed, $cat_view, $search,
 308                         $last_error, $last_updated);
 309
 310                 if ($offset == 0) {
 311                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HEADLINES_BEFORE) as $p) {
 312                                  $reply['content'] .= $p->hook_headlines_before($feed, $cat_view, $qfh_ret);
 313                         }
 314                 }
 315
 316                 $reply['content'] = '';
 317
 318                 $headlines_count = 0;
 319
 320         $lnum = $offset;
 321         $num_unread = 0;
 322         if ($_REQUEST["debug"]) $timing_info = print_checkpoint("PS", $timing_info);
 323         $expand_cdm = get_pref('CDM_EXPANDED');
 324
 325         if (is_object($result)) {
 326
 327                         while ($line = $result->fetch()) {
 328
 329                                 ++$headlines_count;
 330
 331                                 $line["content_preview"] =  "&mdash; " . truncate_string(strip_tags($line["content"]), 250);
 332
 333                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
 334                                         $line = $p->hook_query_headlines($line, 250, false);
 335                                 }
 336
 337                                 if (get_pref('SHOW_CONTENT_PREVIEW')) {
 338                                         $content_preview =  $line["content_preview"];
 339                                 }
 340
 341                                 $id = $line["id"];
 342                                 $feed_id = $line["feed_id"];
 343                                 $label_cache = $line["label_cache"];
 344                                 $labels = false;
 345
 346                                 $mouseover_attrs = "onmouseover='postMouseIn(event, $id)' onmouseout='postMouseOut($id)'";
 347
 348                                 if ($label_cache) {
 349                                         $label_cache = json_decode($label_cache, true);
 350
 351                                         if ($label_cache) {
 352                                                 if ($label_cache["no-labels"] == 1)
 353                                                         $labels = array();
 354                                                 else
 355                                                         $labels = $label_cache;
 356                                         }
 357                                 }
 358
 359                                 if (!is_array($labels)) $labels = Article::get_article_labels($id);
 360
 361                                 $labels_str = "<span class=\"HLLCTR-$id\">";
 362                                 $labels_str .= Article::format_article_labels($labels);
 363                                 $labels_str .= "</span>";
 364
 365                                 if (count($topmost_article_ids) < 3) {
 366                                         array_push($topmost_article_ids, $id);
 367                                 }
 368
 369                                 $class = "";
 370
 371                                 if ($line["unread"]) {
 372                                         $class .= " Unread";
 373                                         ++$num_unread;
 374                                 }
 375
 376                                 $marked_pic_src = $line["marked"] ? "mark_set.png" : "mark_unset.png";
 377                                 $class .= $line["marked"] ? " marked" : "";
 378                                 $marked_pic = "<img src=\"images/$marked_pic_src\" class=\"markedPic\" onclick='toggleMark($id)'>";
 379
 380                                 $published_pic_src = $line["published"] ? "pub_set.png" : "pub_unset.png";
 381                                 $class .= $line["published"] ? " published" : "";
 382                 $published_pic = "<img src=\"images/$published_pic_src\" class=\"pubPic\" onclick='togglePub($id)'>";
 383
 384                                 $updated_fmt = make_local_datetime($line["updated"], false, false, false, true);
 385                                 $date_entered_fmt = T_sprintf("Imported at %s",
 386                                         make_local_datetime($line["date_entered"], false));
 387
 388                                 $score = $line["score"];
 389
 390                                 $score_pic = "images/" . get_score_pic($score);
 391
 392                                 $score_pic = "<img class='hlScorePic' score='$score' onclick='changeScore($id, this)' src=\"$score_pic\"
 393                 title=\"$score\">";
 394
 395                                 if ($score > 500) {
 396                                         $hlc_suffix = "high";
 397                                 } else if ($score < -100) {
 398                                         $hlc_suffix = "low";
 399                                 } else {
 400                                         $hlc_suffix = "";
 401                                 }
 402
 403                                 $entry_author = $line["author"];
 404
 405                                 if ($entry_author) {
 406                                         $entry_author = " &mdash; $entry_author";
 407                                 }
 408
 409                                 $has_feed_icon = feeds::feedHasIcon($feed_id);
 410
 411                                 if ($has_feed_icon) {
 412                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
 413                                 } else {
 414                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/pub_set.png\" alt=\"\">";
 415                                 }
 416
 417                                 $entry_site_url = $line["site_url"];
 418
 419                                 //setting feed headline background color, needs to change text color based on dark/light
 420                                 $fav_color = $line['favicon_avg_color'];
 421
 422                                 require_once "colors.php";
 423
 424                                 if ($fav_color && $fav_color != 'fail') {
 425                                         if (!isset($rgba_cache[$feed_id])) {
 426                                                 $rgba_cache[$feed_id] = join(",", _color_unpack($fav_color));
 427                                         }
 428                                 }
 429
 430                                 if (!get_pref('COMBINED_DISPLAY_MODE')) {
 431
 432                                         if ($vfeed_group_enabled) {
 433                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
 434
 435                                                         $vgroup_last_feed = $feed_id;
 436
 437                                                         $vf_catchup_link = "<a class='catchup' onclick='catchupFeedInGroup($feed_id);' href='#'>".__('mark feed as read')."</a>";
 438
 439                                                         $reply['content'] .= "<div data-feed-id='$feed_id' id='FTITLE-$feed_id' class='cdmFeedTitle'>".
 440                                                                 "<div style='float : right'>$feed_icon_img</div>".
 441                                                                 "<a class='title' href=\"#\" onclick=\"viewfeed({feed:$feed_id})\">".
 442                                                                 $line["feed_title"]."</a>
 443                             $vf_catchup_link</div>";
 444
 445
 446                                                 }
 447                                         }
 448
 449                                         $reply['content'] .= "<div class='hl hlMenuAttach $class' data-orig-feed-id='$feed_id' data-article-id='$id' id='RROW-$id' $mouseover_attrs>";
 450
 451                                         $reply['content'] .= "<div class='hlLeft'>";
 452
 453                                         $reply['content'] .= "<input dojoType=\"dijit.form.CheckBox\"
 454                         type=\"checkbox\" onclick=\"toggleSelectRow2(this)\"
 455                         class='rchk'>";
 456
 457                                         $reply['content'] .= "$marked_pic";
 458                                         $reply['content'] .= "$published_pic";
 459
 460                                         $reply['content'] .= "</div>";
 461
 462                                         $reply['content'] .= "<div onclick='return hlClicked(event, $id)'
 463                     class=\"hlTitle\"><span class='hlContent $hlc_suffix'>";
 464                                         $reply['content'] .= "<a id=\"RTITLE-$id\" class=\"title $hlc_suffix\"
 465                     href=\"" . htmlspecialchars($line["link"]) . "\"
 466                     onclick=\"\">" .
 467                                                 truncate_string($line["title"], 200);
 468
 469                                         if (get_pref('SHOW_CONTENT_PREVIEW')) {
 470                                                 $reply['content'] .= "<span class=\"contentPreview\">" . $line["content_preview"] . "</span>";
 471                                         }
 472
 473                                         $reply['content'] .= "</a></span>";
 474
 475                                         $reply['content'] .= $labels_str;
 476
 477                                         $reply['content'] .= "</div>";
 478
 479                                         if (!$vfeed_group_enabled) {
 480                                                 if (@$line["feed_title"]) {
 481                                                         $rgba = @$rgba_cache[$feed_id];
 482
 483                                                         $reply['content'] .= "<span class=\"hlFeed\"><a style=\"background : rgba($rgba, 0.3)\" href=\"#\" onclick=\"viewfeed({feed:$feed_id})\">".
 484                                                                 truncate_string($line["feed_title"],30)."</a></span>";
 485                                                 }
 486                                         }
 487
 488
 489                                         $reply['content'] .= "<span class=\"hlUpdated\">";
 490
 491                                         $reply['content'] .= "<div title='$date_entered_fmt'>$updated_fmt</div>
 492                     </span>";
 493
 494                                         $reply['content'] .= "<div class=\"hlRight\">";
 495
 496                                         $reply['content'] .= $score_pic;
 497
 498                                         if ($line["feed_title"] && !$vfeed_group_enabled) {
 499
 500                                                 $reply['content'] .= "<span onclick=\"viewfeed({feed:$feed_id})\"
 501                         style=\"cursor : pointer\"
 502                         title=\"".htmlspecialchars($line['feed_title'])."\">
 503                         $feed_icon_img</span>";
 504                                         }
 505
 506                                         $reply['content'] .= "</div>";
 507                                         $reply['content'] .= "</div>";
 508
 509                                 } else {
 510
 511                                         if ($line["tag_cache"])
 512                                                 $tags = explode(",", $line["tag_cache"]);
 513                                         else
 514                                                 $tags = false;
 515
 516                                         $line["content"] = sanitize($line["content"],
 517                                                 $line['hide_images'], false, $entry_site_url, $highlight_words, $line["id"]);
 518
 519                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_CDM) as $p) {
 520                                                 $line = $p->hook_render_article_cdm($line);
 521                                         }
 522
 523                                         if ($vfeed_group_enabled && $line["feed_title"]) {
 524                                                 if ($feed_id != $vgroup_last_feed) {
 525
 526                                                         $vgroup_last_feed = $feed_id;
 527
 528                                                         $vf_catchup_link = "<a class='catchup' onclick='catchupFeedInGroup($feed_id);' href='#'>".__('mark feed as read')."</a>";
 529
 530                                                         $feed_icon_src = Feeds::getFeedIcon($feed_id);
 531                                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"$feed_icon_src\">";
 532
 533                                                         $reply['content'] .= "<div data-feed-id='$feed_id' id='FTITLE-$feed_id' class='cdmFeedTitle'>".
 534                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
 535                                                                 "<a href=\"#\" class='title' onclick=\"viewfeed({feed:$feed_id})\">".
 536                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
 537
 538                                                 }
 539                                         }
 540
 541                                         $expanded_class = $expand_cdm ? "expanded" : "expandable";
 542
 543                                         $tmp_content = "<div class=\"cdm $hlc_suffix $expanded_class $class\"
 544                     id=\"RROW-$id\" data-article-id='$id' data-orig-feed-id='$feed_id' $mouseover_attrs>";
 545
 546                                         $tmp_content .= "<div class=\"cdmHeader\">";
 547                                         $tmp_content .= "<div style=\"vertical-align : middle\">";
 548
 549                                         $tmp_content .= "<input dojoType=\"dijit.form.CheckBox\"
 550                         type=\"checkbox\" onclick=\"toggleSelectRow2(this, false, true)\"
 551                         class='rchk'>";
 552
 553                                         $tmp_content .= "$marked_pic";
 554                                         $tmp_content .= "$published_pic";
 555
 556                                         $tmp_content .= "</div>";
 557
 558                                         if ($highlight_words && count($highlight_words) > 0) {
 559                                                 foreach ($highlight_words as $word) {
 560                                                     $word = preg_quote($word, "/");
 561
 562                                                         $line["title"] = preg_replace("/($word)/i",
 563                                                                 "<span class=\"highlight\">$1</span>", $line["title"]);
 564                                                 }
 565                                         }
 566
 567                                         // data-article-id included for context menu
 568                                         $tmp_content .= "<span id=\"RTITLE-$id\"
 569                     onclick=\"return cdmClicked(event, $id);\"
 570                     data-article-id=\"$id\"
 571                     class=\"titleWrap hlMenuAttach $hlc_suffix\">
 572                     <a class=\"title $hlc_suffix\"
 573                     title=\"".htmlspecialchars($line["title"])."\"
 574                     target=\"_blank\" rel=\"noopener noreferrer\" href=\"".
 575                                                 htmlspecialchars($line["link"])."\">".
 576                                                 $line["title"] .
 577                                                 "</a> <span class=\"author\">$entry_author</span>";
 578
 579                                         $tmp_content .= $labels_str;
 580
 581                                         $tmp_content .= "<span class='collapseBtn' style='display : none'>
 582                     <img src=\"images/collapse.png\" onclick=\"cdmCollapseArticle(event, $id)\"
 583                     title=\"".__("Collapse article")."\"/></span>";
 584
 585                                         if (!$expand_cdm)
 586                                                 $content_hidden = "style=\"display : none\"";
 587                                         else
 588                                                 $excerpt_hidden = "style=\"display : none\"";
 589
 590                                         $tmp_content .= "<span $excerpt_hidden id=\"CEXC-$id\" class=\"cdmExcerpt\">" . $content_preview . "</span>";
 591
 592                                         $tmp_content .= "</span>";
 593
 594                                         if (!$vfeed_group_enabled) {
 595                                                 if (@$line["feed_title"]) {
 596                                                         $rgba = @$rgba_cache[$feed_id];
 597
 598                                                         $tmp_content .= "<div class=\"hlFeed\">
 599                             <a href=\"#\" style=\"background-color: rgba($rgba,0.3)\"
 600                             onclick=\"viewfeed({feed:$feed_id})\">".
 601                                                                 truncate_string($line["feed_title"],30)."</a>
 602                         </div>";
 603                                                 }
 604                                         }
 605
 606                                         $tmp_content .= "<span class='updated' title='$date_entered_fmt'>$updated_fmt</span>";
 607
 608                                         $tmp_content .= "<div class='scoreWrap' style=\"vertical-align : middle\">";
 609                                         $tmp_content .= "$score_pic";
 610
 611                                         if (!get_pref("VFEED_GROUP_BY_FEED") && $line["feed_title"]) {
 612                                                 $tmp_content .= "<span style=\"cursor : pointer\"
 613                         title=\"".htmlspecialchars($line["feed_title"])."\"
 614                         onclick=\"viewfeed({feed:$feed_id})\">$feed_icon_img</span>";
 615                                         }
 616                                         $tmp_content .= "</div>"; //scoreWrap
 617
 618                                         $tmp_content .= "</div>"; //cdmHeader
 619
 620                                         $tmp_content .= "<div class=\"cdmContent\" $content_hidden
 621                     onclick=\"return cdmClicked(event, $id, true);\"
 622                     id=\"CICD-$id\">";
 623
 624                                         $tmp_content .= "<div id=\"POSTNOTE-$id\">";
 625                                         if ($line['note']) {
 626                                                 $tmp_content .= Article::format_article_note($id, $line['note']);
 627                                         }
 628                                         $tmp_content .= "</div>"; //POSTNOTE
 629
 630                                         if (!$line['lang']) $line['lang'] = 'en';
 631
 632                                         $tmp_content .= "<div class=\"cdmContentInner\" lang=\"".$line['lang']."\">";
 633
 634                                         if ($line["orig_feed_id"]) {
 635
 636                                                 $ofgh = $this->pdo->prepare("SELECT * FROM ttrss_archived_feeds
 637                         WHERE id = ? AND owner_uid = ?");
 638                                                 $ofgh->execute([$line["orig_feed_id"], $_SESSION['uid']]);
 639
 640                                                 if ($tmp_line = $ofgh->fetch()) {
 641
 642                                                         $tmp_content .= "<div clear='both'>";
 643                                                         $tmp_content .= __("Originally from:");
 644
 645                                                         $tmp_content .= "&nbsp;";
 646
 647                                                         $tmp_content .= "<a target='_blank' rel='noopener noreferrer'
 648                             href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
 649                                                                 $tmp_line['title'] . "</a>";
 650
 651                                                         $tmp_content .= "&nbsp;";
 652
 653                                                         $tmp_content .= "<a target='_blank' rel='noopener noreferrer' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
 654                                                         $tmp_content .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_unset.png'></a>";
 655
 656                                                         $tmp_content .= "</div>";
 657                                                 }
 658                                         }
 659
 660                                         $tmp_content .= "<span id=\"CWRAP-$id\">";
 661                                         $tmp_content .= "<span id=\"CENCW-$id\" class=\"cencw\" style=\"display : none\">";
 662                                         $tmp_content .= htmlspecialchars($line["content"]);
 663                                         $tmp_content .= "</span>";
 664                                         $tmp_content .= "</span>";
 665
 666                                         $tmp_content .= "</div>"; //cdmContentInner
 667
 668                                         $tmp_content .= "<div class=\"cdmIntermediate\">";
 669
 670                                         $always_display_enclosures = $line["always_display_enclosures"];
 671                                         $tmp_content .= Article::format_article_enclosures($id, $always_display_enclosures,
 672                                                 $line["content"], $line["hide_images"]);
 673
 674                                         $tmp_content .= "</div>"; // cdmIntermediate
 675
 676                                         $tmp_content .= "<div class=\"cdmFooter\" onclick=\"cdmFooterClick(event)\">";
 677
 678                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_LEFT_BUTTON) as $p) {
 679                                                 $tmp_content .= $p->hook_article_left_button($line);
 680                                         }
 681
 682                                         $tags_str = Article::format_tags_string($tags, $id);
 683
 684                                         $tmp_content .= "<span class='left'>";
 685
 686                                         $tmp_content .= "<img src='images/tag.png' alt='Tags' title='Tags'>
 687                     <span id=\"ATSTR-$id\">$tags_str</span>
 688                     <a title=\"".__('Edit tags for this article')."\"
 689                     href=\"#\" onclick=\"editArticleTags($id)\">(+)</a>";
 690
 691                                         $num_comments = (int) $line["num_comments"];
 692                                         $entry_comments = "";
 693
 694                                         if ($num_comments > 0) {
 695                                                 if ($line["comments"]) {
 696                                                         $comments_url = htmlspecialchars($line["comments"]);
 697                                                 } else {
 698                                                         $comments_url = htmlspecialchars($line["link"]);
 699                                                 }
 700                                                 $entry_comments = "<a class=\"postComments\"
 701                         target='_blank' rel='noopener noreferrer' href=\"$comments_url\">$num_comments ".
 702                                                         _ngettext("comment", "comments", $num_comments)."</a>";
 703
 704                                         } else {
 705                                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
 706                                                         $entry_comments = "<a class=\"postComments\" target='_blank' rel='noopener noreferrer' href=\"".htmlspecialchars($line["comments"])."\">".__("comments")."</a>";
 707                                                 }
 708                                         }
 709
 710                                         if ($entry_comments) $tmp_content .= "&nbsp;($entry_comments)";
 711
 712                                         $tmp_content .= "</span>";
 713                                         $tmp_content .= "<div>";
 714
 715                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_BUTTON) as $p) {
 716                                                 $tmp_content .= $p->hook_article_button($line);
 717                                         }
 718
 719                                         $tmp_content .= "</div>"; // buttons
 720
 721                                         $tmp_content .= "</div>"; // cdmFooter
 722                                         $tmp_content .= "</div>"; // cdmContent
 723                                         $tmp_content .= "</div>"; // RROW.cdm
 724
 725                                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_FORMAT_ARTICLE_CDM) as $p) {
 726                                                 $tmp_content = $p->hook_format_article_cdm($tmp_content, $line);
 727                                         }
 728
 729                                         $reply['content'] .= $tmp_content;
 730                                 }
 731
 732                                 ++$lnum;
 733                         }
 734         }
 735
 736         if ($_REQUEST["debug"]) $timing_info = print_checkpoint("PE", $timing_info);
 737
 738                 if (!$headlines_count) {
 739
 740                         if (!is_numeric($result)) {
 741
 742                                 switch ($view_mode) {
 743                                         case "unread":
 744                                                 $message = __("No unread articles found to display.");
 745                                                 break;
 746                                         case "updated":
 747                                                 $message = __("No updated articles found to display.");
 748                                                 break;
 749                                         case "marked":
 750                                                 $message = __("No starred articles found to display.");
 751                                                 break;
 752                                         default:
 753                                                 if ($feed < LABEL_BASE_INDEX) {
 754                                                         $message = __("No articles found to display. You can assign articles to labels manually from article header context menu (applies to all selected articles) or use a filter.");
 755                                                 } else {
 756                                                         $message = __("No articles found to display.");
 757                                                 }
 758                                 }
 759
 760                                 if (!$offset && $message) {
 761                                         $reply['content'] = "<div class='whiteBox'>$message";
 762
 763                                         $reply['content'] .= "<p><span class=\"insensitive\">";
 764
 765                                         $sth = $this->pdo->prepare("SELECT " . SUBSTRING_FOR_DATE . "(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
 766                         WHERE owner_uid = ?");
 767                                         $sth->execute([$_SESSION['uid']]);
 768                                         $row = $sth->fetch();
 769
 770                                         $last_updated = make_local_datetime($row["last_updated"], false);
 771
 772                                         $reply['content'] .= sprintf(__("Feeds last updated at %s"), $last_updated);
 773
 774                                         $sth = $this->pdo->prepare("SELECT COUNT(id) AS num_errors
 775                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ?");
 776                                         $sth->execute([$_SESSION['uid']]);
 777                                         $row = $sth->fetch();
 778
 779                                         $num_errors = $row["num_errors"];
 780
 781                                         if ($num_errors > 0) {
 782                                                 $reply['content'] .= "<br/>";
 783                                                 $reply['content'] .= "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">" .
 784                                                         __('Some feeds have update errors (click for details)') . "</a>";
 785                                         }
 786                                         $reply['content'] .= "</span></p></div>";
 787
 788                                 }
 789                         } else if (is_numeric($result) && $result == -1) {
 790                                 $reply['first_id_changed'] = true;
 791                         }
 792                 }
 793
 794                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H2", $timing_info);
 795
 796                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache,
 797                         $vgroup_last_feed, $reply);
 798         }
 799
 800         function catchupAll() {
 801                 $sth = $this->pdo->prepare("UPDATE ttrss_user_entries SET
 802                                                 last_read = NOW(), unread = false WHERE unread = true AND owner_uid = ?");
 803                 $sth->execute([$_SESSION['uid']]);
 804
 805                 CCache::zero_all($_SESSION["uid"]);
 806         }
 807
 808         function view() {
 809                 $timing_info = microtime(true);
 810
 811                 $reply = array();
 812
 813                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("0", $timing_info);
 814
 815                 $feed = $_REQUEST["feed"];
 816                 $method = $_REQUEST["m"];
 817                 $view_mode = $_REQUEST["view_mode"];
 818                 $limit = 30;
 819                 @$cat_view = $_REQUEST["cat"] == "true";
 820                 @$next_unread_feed = $_REQUEST["nuf"];
 821                 @$offset = $_REQUEST["skip"];
 822                 @$vgroup_last_feed = $_REQUEST["vgrlf"];
 823                 $order_by = $_REQUEST["order_by"];
 824                 $check_first_id = $_REQUEST["fid"];
 825
 826                 if (is_numeric($feed)) $feed = (int) $feed;
 827
 828                 /* Feed -5 is a special case: it is used to display auxiliary information
 829                  * when there's nothing to load - e.g. no stuff in fresh feed */
 830
 831                 if ($feed == -5) {
 832                         print json_encode($this->generate_dashboard_feed());
 833                         return;
 834                 }
 835
 836                 $sth = false;
 837                 if ($feed < LABEL_BASE_INDEX) {
 838
 839                         $label_feed = Labels::feed_to_label_id($feed);
 840
 841                         $sth = $this->pdo->prepare("SELECT id FROM ttrss_labels2 WHERE
 842                                                         id = ? AND owner_uid = ?");
 843                         $sth->execute([$label_feed, $_SESSION['uid']]);
 844
 845                 } else if (!$cat_view && is_numeric($feed) && $feed > 0) {
 846
 847                         $sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE
 848                                                         id = ? AND owner_uid = ?");
 849                         $sth->execute([$feed, $_SESSION['uid']]);
 850
 851                 } else if ($cat_view && is_numeric($feed) && $feed > 0) {
 852
 853                         $sth = $this->pdo->prepare("SELECT id FROM ttrss_feed_categories WHERE
 854                                                         id = ? AND owner_uid = ?");
 855
 856                         $sth->execute([$feed, $_SESSION['uid']]);
 857                 }
 858
 859                 if ($sth && !$sth->fetch()) {
 860                         print json_encode($this->generate_error_feed(__("Feed not found.")));
 861                         return;
 862                 }
 863
 864                 /* Updating a label ccache means recalculating all of the caches
 865                  * so for performance reasons we don't do that here */
 866
 867                 if ($feed >= 0) {
 868                         CCache::update($feed, $_SESSION["uid"], $cat_view);
 869                 }
 870
 871                 set_pref("_DEFAULT_VIEW_MODE", $view_mode);
 872                 set_pref("_DEFAULT_VIEW_ORDER_BY", $order_by);
 873
 874                 /* bump login timestamp if needed */
 875                 if (time() - $_SESSION["last_login_update"] > 3600) {
 876                         $sth = $this->pdo->prepare("UPDATE ttrss_users SET last_login = NOW() WHERE id = ?");
 877                         $sth->execute([$_SESSION['uid']]);
 878
 879                         $_SESSION["last_login_update"] = time();
 880                 }
 881
 882                 if (!$cat_view && is_numeric($feed) && $feed > 0) {
 883                         $sth = $this->pdo->prepare("UPDATE ttrss_feeds SET last_viewed = NOW()
 884                                                         WHERE id = ? AND owner_uid = ?");
 885                         $sth->execute([$feed, $_SESSION['uid']]);
 886                 }
 887
 888                 $reply['headlines'] = array();
 889
 890                 $override_order = false;
 891                 $skip_first_id_check = false;
 892
 893                 switch ($order_by) {
 894                 case "title":
 895                         $override_order = "ttrss_entries.title, date_entered, updated";
 896                         break;
 897                 case "date_reverse":
 898                         $override_order = "score DESC, date_entered, updated";
 899                         $skip_first_id_check = true;
 900                         break;
 901                 case "feed_dates":
 902                         $override_order = "updated DESC";
 903                         break;
 904                 }
 905
 906                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("04", $timing_info);
 907
 908                 $ret = $this->format_headlines_list($feed, $method,
 909                         $view_mode, $limit, $cat_view, $offset,
 910                         $vgroup_last_feed, $override_order, true, $check_first_id, $skip_first_id_check);
 911
 912                 //$topmost_article_ids = $ret[0];
 913                 $headlines_count = $ret[1];
 914                 /* $returned_feed = $ret[2]; */
 915                 $disable_cache = $ret[3];
 916                 $vgroup_last_feed = $ret[4];
 917
 918                 //$reply['headlines']['content'] =& $ret[5]['content'];
 919                 //$reply['headlines']['toolbar'] =& $ret[5]['toolbar'];
 920
 921                 $reply['headlines'] = $ret[5];
 922
 923                 if (!$next_unread_feed)
 924                         $reply['headlines']['id'] = $feed;
 925                 else
 926                         $reply['headlines']['id'] = $next_unread_feed;
 927
 928                 $reply['headlines']['is_cat'] = (bool) $cat_view;
 929
 930                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("05", $timing_info);
 931
 932                 $reply['headlines-info'] = array("count" => (int) $headlines_count,
 933                                                 "vgroup_last_feed" => $vgroup_last_feed,
 934                                                 "disable_cache" => (bool) $disable_cache);
 935
 936                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("30", $timing_info);
 937
 938                 $reply['runtime-info'] = make_runtime_info();
 939
 940                 print json_encode($reply);
 941
 942         }
 943
 944         private function generate_dashboard_feed() {
 945                 $reply = array();
 946
 947                 $reply['headlines']['id'] = -5;
 948                 $reply['headlines']['is_cat'] = false;
 949
 950                 $reply['headlines']['toolbar'] = '';
 951
 952                 $reply['headlines']['content'] = "<div class='whiteBox'>".__('No feed selected.');
 953
 954                 $reply['headlines']['content'] .= "<p><span class=\"insensitive\">";
 955
 956                 $sth = $this->pdo->prepare("SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
 957                         WHERE owner_uid = ?");
 958                 $sth->execute([$_SESSION['uid']]);
 959                 $row = $sth->fetch();
 960
 961                 $last_updated = make_local_datetime($row["last_updated"], false);
 962
 963                 $reply['headlines']['content'] .= sprintf(__("Feeds last updated at %s"), $last_updated);
 964
 965                 $sth = $this->pdo->prepare("SELECT COUNT(id) AS num_errors
 966                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ?");
 967                 $sth->execute([$_SESSION['uid']]);
 968                 $row = $sth->fetch();
 969
 970                 $num_errors = $row["num_errors"];
 971
 972                 if ($num_errors > 0) {
 973                         $reply['headlines']['content'] .= "<br/>";
 974                         $reply['headlines']['content'] .= "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
 975                                 __('Some feeds have update errors (click for details)')."</a>";
 976                 }
 977                 $reply['headlines']['content'] .= "</span></p>";
 978
 979                 $reply['headlines-info'] = array("count" => 0,
 980                         "vgroup_last_feed" => '',
 981                         "unread" => 0,
 982                         "disable_cache" => true);
 983
 984                 return $reply;
 985         }
 986
 987         private function generate_error_feed($error) {
 988                 $reply = array();
 989
 990                 $reply['headlines']['id'] = -7;
 991                 $reply['headlines']['is_cat'] = false;
 992
 993                 $reply['headlines']['toolbar'] = '';
 994                 $reply['headlines']['content'] = "<div class='whiteBox'>". $error . "</div>";
 995
 996                 $reply['headlines-info'] = array("count" => 0,
 997                         "vgroup_last_feed" => '',
 998                         "unread" => 0,
 999                         "disable_cache" => true);
1000
1001                 return $reply;
1002         }
1003
1004         function quickAddFeed() {
1005                 print "<form onsubmit='return false'>";
1006
1007                 print_hidden("op", "rpc");
1008                 print_hidden("method", "addfeed");
1009
1010                 print "<div id='fadd_error_message' style='display : none' class='alert alert-danger'></div>";
1011
1012                 print "<div id='fadd_multiple_notify' style='display : none'>";
1013                 print_notice("Provided URL is a HTML page referencing multiple feeds, please select required feed from the dropdown menu below.");
1014                 print "<p></div>";
1015
1016                 print "<div class=\"dlgSec\">".__("Feed or site URL")."</div>";
1017                 print "<div class=\"dlgSecCont\">";
1018
1019                 print "<div style='float : right'>
1020                         <img style='display : none'
1021                                 id='feed_add_spinner' src='images/indicator_white.gif'></div>";
1022
1023                 print "<input style=\"font-size : 16px; width : 20em;\"
1024                         placeHolder=\"".__("Feed or site URL")."\"
1025                         dojoType=\"dijit.form.ValidationTextBox\" required=\"1\" name=\"feed\" id=\"feedDlg_feedUrl\">";
1026
1027                 print "<hr/>";
1028
1029                 if (get_pref('ENABLE_FEED_CATS')) {
1030                         print __('Place in category:') . " ";
1031                         print_feed_cat_select("cat", false, 'dojoType="dijit.form.Select"');
1032                 }
1033
1034                 print "</div>";
1035
1036                 print '<div id="feedDlg_feedsContainer" style="display : none">
1037
1038                                 <div class="dlgSec">' . __('Available feeds') . '</div>
1039                                 <div class="dlgSecCont">'.
1040                                 '<select id="feedDlg_feedContainerSelect"
1041                                         dojoType="dijit.form.Select" size="3">
1042                                         <script type="dojo/method" event="onChange" args="value">
1043                                                 dijit.byId("feedDlg_feedUrl").attr("value", value);
1044                                         </script>
1045                                 </select>'.
1046                                 '</div></div>';
1047
1048                 print "<div id='feedDlg_loginContainer' style='display : none'>
1049
1050                                 <div class=\"dlgSec\">".__("Authentication")."</div>
1051                                 <div class=\"dlgSecCont\">".
1052
1053                                 " <input dojoType=\"dijit.form.TextBox\" name='login'\"
1054                                         placeHolder=\"".__("Login")."\"
1055                                         autocomplete=\"new-password\"
1056                                         style=\"width : 10em;\"> ".
1057                                 " <input
1058                                         placeHolder=\"".__("Password")."\"
1059                                         dojoType=\"dijit.form.TextBox\" type='password'
1060                                         autocomplete=\"new-password\"
1061                                         style=\"width : 10em;\" name='pass'\">
1062                         </div></div>";
1063
1064
1065                 print "<div style=\"clear : both\">
1066                         <input type=\"checkbox\" name=\"need_auth\" dojoType=\"dijit.form.CheckBox\" id=\"feedDlg_loginCheck\"
1067                                         onclick='checkboxToggleElement(this, \"feedDlg_loginContainer\")'>
1068                                 <label for=\"feedDlg_loginCheck\">".
1069                                 __('This feed requires authentication.')."</div>";
1070
1071                 print "<div class=\"dlgButtons\">
1072                         <button dojoType=\"dijit.form.Button\" class=\"btn-primary\" type=\"submit\" onclick=\"return dijit.byId('feedAddDlg').execute()\">".__('Subscribe')."</button>";
1073
1074                 if (!(defined('_DISABLE_FEED_BROWSER') && _DISABLE_FEED_BROWSER)) {
1075                         print "<button dojoType=\"dijit.form.Button\" onclick=\"return feedBrowser()\">".__('More feeds')."</button>";
1076                 }
1077
1078                 print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('feedAddDlg').hide()\">".__('Cancel')."</button>
1079                         </div>";
1080
1081                 print "</form>";
1082
1083                 //return;
1084         }
1085
1086         function feedBrowser() {
1087                 if (defined('_DISABLE_FEED_BROWSER') && _DISABLE_FEED_BROWSER) return;
1088
1089                 $browser_search = $_REQUEST["search"];
1090
1091                 print_hidden("op", "rpc");
1092                 print_hidden("method", "updateFeedBrowser");
1093
1094                 print "<div dojoType=\"dijit.Toolbar\">
1095                         <div style='float : right'>
1096                         <img style='display : none'
1097                                 id='feed_browser_spinner' src='images/indicator_white.gif'>
1098                         <input name=\"search\" dojoType=\"dijit.form.TextBox\" size=\"20\" type=\"search\"
1099                                 onchange=\"dijit.byId('feedBrowserDlg').update()\" value=\"$browser_search\">
1100                         <button dojoType=\"dijit.form.Button\" onclick=\"dijit.byId('feedBrowserDlg').update()\">".__('Search')."</button>
1101                 </div>";
1102
1103                 print " <select name=\"mode\" dojoType=\"dijit.form.Select\" onchange=\"dijit.byId('feedBrowserDlg').update()\">
1104                         <option value='1'>" . __('Popular feeds') . "</option>
1105                         <option value='2'>" . __('Feed archive') . "</option>
1106                         </select> ";
1107
1108                 print __("limit:");
1109
1110                 print " <select dojoType=\"dijit.form.Select\" name=\"limit\" onchange=\"dijit.byId('feedBrowserDlg').update()\">";
1111
1112                 foreach (array(25, 50, 100, 200) as $l) {
1113                         //$issel = ($l == $limit) ? "selected=\"1\"" : "";
1114                         print "<option value=\"$l\">$l</option>";
1115                 }
1116
1117                 print "</select> ";
1118
1119                 print "</div>";
1120
1121                 require_once "feedbrowser.php";
1122
1123                 print "<ul class='browseFeedList' id='browseFeedList'>";
1124                 print make_feed_browser("", 25);
1125                 print "</ul>";
1126
1127                 print "<div align='center'>
1128                         <button dojoType=\"dijit.form.Button\" onclick=\"dijit.byId('feedBrowserDlg').execute()\">".__('Subscribe')."</button>
1129                         <button dojoType=\"dijit.form.Button\" style='display : none' id='feed_archive_remove' onclick=\"dijit.byId('feedBrowserDlg').removeFromArchive()\">".__('Remove')."</button>
1130                         <button dojoType=\"dijit.form.Button\" onclick=\"dijit.byId('feedBrowserDlg').hide()\" >".__('Cancel')."</button></div>";
1131
1132         }
1133
1134         function search() {
1135                 $this->params = explode(":", $_REQUEST["param"], 2);
1136
1137                 $active_feed_id = sprintf("%d", $this->params[0]);
1138                 $is_cat = $this->params[1] != "false";
1139
1140                 print "<form onsubmit='return false;'>";
1141
1142                 print "<div class=\"dlgSec\">".__('Look for')."</div>";
1143
1144                 print "<div class=\"dlgSecCont\">";
1145
1146                 print "<input dojoType=\"dijit.form.ValidationTextBox\"
1147                         style=\"font-size : 16px; width : 20em;\"
1148                         required=\"1\" name=\"query\" type=\"search\" value=''>";
1149
1150                 print "<hr/><span style='float : right'>".T_sprintf('in %s', $this->getFeedTitle($active_feed_id, $is_cat))."</span>";
1151
1152                 if (DB_TYPE == "pgsql") {
1153                         print "<hr/>";
1154                         print_select("search_language", "", Pref_Feeds::$feed_languages,
1155                                 "dojoType='dijit.form.Select' title=\"".__('Used for word stemming')."\"");
1156                 }
1157
1158                 print "</div>";
1159
1160                 print "<div class=\"dlgButtons\">";
1161
1162                 if (count(PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SEARCH)) == 0) {
1163                         print "<div style=\"float : left\">
1164                                 <a class=\"visibleLink\" target=\"_blank\" href=\"http://tt-rss.org/wiki/SearchSyntax\">".__("Search syntax")."</a>
1165                                 </div>";
1166                 }
1167
1168                 print "<button dojoType=\"dijit.form.Button\" type=\"submit\" class=\"btn-primary\" onclick=\"dijit.byId('searchDlg').execute()\">".__('Search')."</button>
1169                 <button dojoType=\"dijit.form.Button\" onclick=\"dijit.byId('searchDlg').hide()\">".__('Cancel')."</button>
1170                 </div>";
1171
1172                 print "</form>";
1173         }
1174
1175         function update_debugger() {
1176                 header("Content-type: text/html");
1177
1178                 $feed_id = (int)$_REQUEST["feed_id"];
1179                 @$do_update = $_REQUEST["action"] == "do_update";
1180                 $csrf_token = $_REQUEST["csrf_token"];
1181
1182                 $sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE id = ? AND owner_uid = ?");
1183                 $sth->execute([$feed_id, $_SESSION['uid']]);
1184
1185                 if (!$sth->fetch()) {
1186                     print "Access denied.";
1187                     return;
1188         }
1189
1190                 $refetch_checked = isset($_REQUEST["force_refetch"]) ? "checked" : "";
1191                 $rehash_checked = isset($_REQUEST["force_rehash"]) ? "checked" : "";
1192
1193                 ?>
1194                 <html>
1195                 <head>
1196                         <?php echo stylesheet_tag("css/default.css") ?>
1197                         <title>Feed Debugger</title>
1198                 </head>
1199                 <body class="small_margins ttrss_utility claro">
1200                 <h1>Feed Debugger: <?php echo "$feed_id: " . $this->getFeedTitle($feed_id) ?></h1>
1201                 <form method="GET" action="">
1202                         <input type="hidden" name="op" value="feeds">
1203                         <input type="hidden" name="method" value="update_debugger">
1204                         <input type="hidden" name="xdebug" value="1">
1205                         <input type="hidden" name="csrf_token" value="<?php echo $csrf_token ?>">
1206                         <input type="hidden" name="action" value="do_update">
1207                         <input type="hidden" name="feed_id" value="<?php echo $feed_id ?>">
1208                         <input type="checkbox" name="force_refetch" value="1" <?php echo $refetch_checked ?>> Force refetch<br/>
1209                         <input type="checkbox" name="force_rehash" value="1" <?php echo $rehash_checked ?>> Force rehash<br/>
1210
1211                         <p/><button type="submit">Continue</button>
1212                 </form>
1213
1214                 <hr>
1215
1216                 <pre><?php
1217
1218                 if ($do_update) {
1219                         RSSUtils::update_rss_feed($feed_id, true);
1220                 }
1221
1222                 ?></pre>
1223
1224                 </body>
1225                 </html>
1226                 <?php
1227
1228         }
1229
1230         static function catchup_feed($feed, $cat_view, $owner_uid = false, $mode = 'all', $search = false) {
1231
1232                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1233
1234                 $pdo = Db::pdo();
1235
1236                 // Todo: all this interval stuff needs some generic generator function
1237
1238                 $search_qpart = is_array($search) && $search[0] ? search_to_sql($search[0], $search[1])[0] : 'true';
1239
1240                 switch ($mode) {
1241                         case "1day":
1242                                 if (DB_TYPE == "pgsql") {
1243                                         $date_qpart = "date_entered < NOW() - INTERVAL '1 day' ";
1244                                 } else {
1245                                         $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY) ";
1246                                 }
1247                                 break;
1248                         case "1week":
1249                                 if (DB_TYPE == "pgsql") {
1250                                         $date_qpart = "date_entered < NOW() - INTERVAL '1 week' ";
1251                                 } else {
1252                                         $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 WEEK) ";
1253                                 }
1254                                 break;
1255                         case "2week":
1256                                 if (DB_TYPE == "pgsql") {
1257                                         $date_qpart = "date_entered < NOW() - INTERVAL '2 week' ";
1258                                 } else {
1259                                         $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 2 WEEK) ";
1260                                 }
1261                                 break;
1262                         default:
1263                                 $date_qpart = "true";
1264                 }
1265
1266                 if (is_numeric($feed)) {
1267                         if ($cat_view) {
1268
1269                                 if ($feed >= 0) {
1270
1271                                         if ($feed > 0) {
1272                                                 $children = Feeds::getChildCategories($feed, $owner_uid);
1273                                                 array_push($children, $feed);
1274                                                 $children = array_map("intval", $children);
1275
1276                                                 $children = join(",", $children);
1277
1278                                                 $cat_qpart = "cat_id IN ($children)";
1279                                         } else {
1280                                                 $cat_qpart = "cat_id IS NULL";
1281                                         }
1282
1283                                         $sth = $pdo->prepare("UPDATE ttrss_user_entries
1284                                                 SET unread = false, last_read = NOW() WHERE ref_id IN
1285                                                         (SELECT id FROM
1286                                                                 (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1287                                                                         AND owner_uid = ? AND unread = true AND feed_id IN
1288                                                                                 (SELECT id FROM ttrss_feeds WHERE $cat_qpart) AND $date_qpart AND $search_qpart) as tmp)");
1289                                         $sth->execute([$owner_uid]);
1290
1291                                 } else if ($feed == -2) {
1292
1293                                         $sth = $pdo->prepare("UPDATE ttrss_user_entries
1294                                                 SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
1295                                                         FROM ttrss_user_labels2, ttrss_entries WHERE article_id = ref_id AND id = ref_id AND $date_qpart AND $search_qpart) > 0
1296                                                         AND unread = true AND owner_uid = ?");
1297                                         $sth->execute([$owner_uid]);
1298                                 }
1299
1300                         } else if ($feed > 0) {
1301
1302                                 $sth = $pdo->prepare("UPDATE ttrss_user_entries
1303                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1304                                                 (SELECT id FROM
1305                                                         (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1306                                                                 AND owner_uid = ? AND unread = true AND feed_id = ? AND $date_qpart AND $search_qpart) as tmp)");
1307                                 $sth->execute([$owner_uid, $feed]);
1308
1309                         } else if ($feed < 0 && $feed > LABEL_BASE_INDEX) { // special, like starred
1310
1311                                 if ($feed == -1) {
1312                                         $sth = $pdo->prepare("UPDATE ttrss_user_entries
1313                                                 SET unread = false, last_read = NOW() WHERE ref_id IN
1314                                                         (SELECT id FROM
1315                                                                 (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1316                                                                         AND owner_uid = ? AND unread = true AND marked = true AND $date_qpart AND $search_qpart) as tmp)");
1317                                         $sth->execute([$owner_uid]);
1318                                 }
1319
1320                                 if ($feed == -2) {
1321                                         $sth = $pdo->prepare("UPDATE ttrss_user_entries
1322                                                 SET unread = false, last_read = NOW() WHERE ref_id IN
1323                                                         (SELECT id FROM
1324                                                                 (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1325                                                                         AND owner_uid = ? AND unread = true AND published = true AND $date_qpart AND $search_qpart) as tmp)");
1326                                         $sth->execute([$owner_uid]);
1327                                 }
1328
1329                                 if ($feed == -3) {
1330
1331                                         $intl = (int) get_pref("FRESH_ARTICLE_MAX_AGE");
1332
1333                                         if (DB_TYPE == "pgsql") {
1334                                                 $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
1335                                         } else {
1336                                                 $match_part = "date_entered > DATE_SUB(NOW(),
1337                                                         INTERVAL $intl HOUR) ";
1338                                         }
1339
1340                                         $sth = $pdo->prepare("UPDATE ttrss_user_entries
1341                                                 SET unread = false, last_read = NOW() WHERE ref_id IN
1342                                                         (SELECT id FROM
1343                                                                 (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1344                                                                         AND owner_uid = ? AND score >= 0 AND unread = true AND $date_qpart AND $match_part AND $search_qpart) as tmp)");
1345                                         $sth->execute([$owner_uid]);
1346                                 }
1347
1348                                 if ($feed == -4) {
1349                                         $sth = $pdo->prepare("UPDATE ttrss_user_entries
1350                                                 SET unread = false, last_read = NOW() WHERE ref_id IN
1351                                                         (SELECT id FROM
1352                                                                 (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1353                                                                         AND owner_uid = ? AND unread = true AND $date_qpart AND $search_qpart) as tmp)");
1354                                         $sth->execute([$owner_uid]);
1355                                 }
1356
1357                         } else if ($feed < LABEL_BASE_INDEX) { // label
1358
1359                                 $label_id = Labels::feed_to_label_id($feed);
1360
1361                                 $sth = $pdo->prepare("UPDATE ttrss_user_entries
1362                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1363                                                 (SELECT id FROM
1364                                                         (SELECT DISTINCT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_user_labels2 WHERE ref_id = id
1365                                                                 AND label_id = ? AND ref_id = article_id
1366                                                                 AND owner_uid = ? AND unread = true AND $date_qpart AND $search_qpart) as tmp)");
1367                                 $sth->execute([$label_id, $owner_uid]);
1368
1369                         }
1370
1371                         CCache::update($feed, $owner_uid, $cat_view);
1372
1373                 } else { // tag
1374                         $sth = $pdo->prepare("UPDATE ttrss_user_entries
1375                                 SET unread = false, last_read = NOW() WHERE ref_id IN
1376                                         (SELECT id FROM
1377                                                 (SELECT DISTINCT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_tags WHERE ref_id = ttrss_entries.id
1378                                                         AND post_int_id = int_id AND tag_name = ?
1379                                                         AND ttrss_user_entries.owner_uid = ? AND unread = true AND $date_qpart AND $search_qpart) as tmp)");
1380                         $sth->execute([$feed, $owner_uid]);
1381
1382                 }
1383         }
1384
1385         static function getFeedArticles($feed, $is_cat = false, $unread_only = false,
1386                                                          $owner_uid = false) {
1387
1388                 $n_feed = (int) $feed;
1389                 $need_entries = false;
1390
1391                 $pdo = Db::pdo();
1392
1393                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1394
1395                 if ($unread_only) {
1396                         $unread_qpart = "unread = true";
1397                 } else {
1398                         $unread_qpart = "true";
1399                 }
1400
1401                 $match_part = "";
1402
1403                 if ($is_cat) {
1404                         return Feeds::getCategoryUnread($n_feed, $owner_uid);
1405                 } else if ($n_feed == -6) {
1406                         return 0;
1407                 } else if ($feed != "0" && $n_feed == 0) {
1408
1409                         $sth = $pdo->prepare("SELECT SUM((SELECT COUNT(int_id)
1410                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1411                                         AND ref_id = id AND $unread_qpart)) AS count FROM ttrss_tags
1412                                 WHERE owner_uid = ? AND tag_name = ?");
1413
1414                         $sth->execute([$owner_uid, $feed]);
1415                         $row = $sth->fetch();
1416
1417                         return $row["count"];
1418
1419                 } else if ($n_feed == -1) {
1420                         $match_part = "marked = true";
1421                 } else if ($n_feed == -2) {
1422                         $match_part = "published = true";
1423                 } else if ($n_feed == -3) {
1424                         $match_part = "unread = true AND score >= 0";
1425
1426                         $intl = (int) get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
1427
1428                         if (DB_TYPE == "pgsql") {
1429                                 $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
1430                         } else {
1431                                 $match_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1432                         }
1433
1434                         $need_entries = true;
1435
1436                 } else if ($n_feed == -4) {
1437                         $match_part = "true";
1438                 } else if ($n_feed >= 0) {
1439
1440                         if ($n_feed != 0) {
1441                                 $match_part = "feed_id = " . (int)$n_feed;
1442                         } else {
1443                                 $match_part = "feed_id IS NULL";
1444                         }
1445
1446                 } else if ($feed < LABEL_BASE_INDEX) {
1447
1448                         $label_id = Labels::feed_to_label_id($feed);
1449
1450                         return Feeds::getLabelUnread($label_id, $owner_uid);
1451                 }
1452
1453                 if ($match_part) {
1454
1455                         if ($need_entries) {
1456                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
1457                                 $from_where = "ttrss_entries.id = ttrss_user_entries.ref_id AND";
1458                         } else {
1459                                 $from_qpart = "ttrss_user_entries";
1460                                 $from_where = "";
1461                         }
1462
1463                         $sth = $pdo->prepare("SELECT count(int_id) AS unread
1464                                 FROM $from_qpart WHERE
1465                                 $unread_qpart AND $from_where ($match_part) AND ttrss_user_entries.owner_uid = ?");
1466                         $sth->execute([$owner_uid]);
1467                         $row = $sth->fetch();
1468
1469                         return $row["unread"];
1470
1471                 } else {
1472
1473                         $sth = $pdo->prepare("SELECT COUNT(post_int_id) AS unread
1474                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1475                                 WHERE tag_name = ? AND post_int_id = int_id AND ref_id = ttrss_entries.id
1476                                 AND $unread_qpart AND ttrss_tags.owner_uid = ,");
1477
1478                         $sth->execute([$feed, $owner_uid]);
1479                         $row = $sth->fetch();
1480
1481                         return $row["unread"];
1482                 }
1483         }
1484
1485         /**
1486          * @return array (code => Status code, message => error message if available)
1487          *
1488          *                 0 - OK, Feed already exists
1489          *                 1 - OK, Feed added
1490          *                 2 - Invalid URL
1491          *                 3 - URL content is HTML, no feeds available
1492          *                 4 - URL content is HTML which contains multiple feeds.
1493          *                     Here you should call extractfeedurls in rpc-backend
1494          *                     to get all possible feeds.
1495          *                 5 - Couldn't download the URL content.
1496          *                 6 - Content is an invalid XML.
1497          */
1498         static function subscribe_to_feed($url, $cat_id = 0,
1499                                                            $auth_login = '', $auth_pass = '') {
1500
1501                 global $fetch_last_error;
1502                 global $fetch_last_error_content;
1503
1504                 $pdo = Db::pdo();
1505
1506                 $url = fix_url($url);
1507
1508                 if (!$url || !validate_feed_url($url)) return array("code" => 2);
1509
1510                 $contents = @fetch_file_contents($url, false, $auth_login, $auth_pass);
1511
1512                 if (!$contents) {
1513                         if (preg_match("/cloudflare\.com/", $fetch_last_error_content)) {
1514                                 $fetch_last_error .= " (feed behind Cloudflare)";
1515                         }
1516
1517                         return array("code" => 5, "message" => $fetch_last_error);
1518                 }
1519
1520                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SUBSCRIBE_FEED) as $plugin) {
1521                         $contents = $plugin->hook_subscribe_feed($contents, $url, $auth_login, $auth_pass);
1522                 }
1523
1524                 if (is_html($contents)) {
1525                         $feedUrls = get_feeds_from_html($url, $contents);
1526
1527                         if (count($feedUrls) == 0) {
1528                                 return array("code" => 3);
1529                         } else if (count($feedUrls) > 1) {
1530                                 return array("code" => 4, "feeds" => $feedUrls);
1531                         }
1532                         //use feed url as new URL
1533                         $url = key($feedUrls);
1534                 }
1535
1536                 if (!$cat_id) $cat_id = null;
1537
1538                 $sth = $pdo->prepare("SELECT id FROM ttrss_feeds
1539                         WHERE feed_url = ? AND owner_uid = ?");
1540                 $sth->execute([$url, $_SESSION['uid']]);
1541
1542                 if ($row = $sth->fetch()) {
1543                         return array("code" => 0, "feed_id" => (int) $row["id"]);
1544                 } else {
1545                         $sth = $pdo->prepare(
1546                                 "INSERT INTO ttrss_feeds
1547                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method,auth_pass_encrypted)
1548                                 VALUES (?, ?, ?, ?, ?, ?, 0, false)");
1549
1550                         $sth->execute([$_SESSION['uid'], $url, "[Unknown]", $cat_id, $auth_login, $auth_pass]);
1551
1552                         $sth = $pdo->prepare("SELECT id FROM ttrss_feeds WHERE feed_url = ?
1553                                         AND owner_uid = ?");
1554                         $sth->execute([$url, $_SESSION['uid']]);
1555                         $row = $sth->fetch();
1556
1557                         $feed_id = $row["id"];
1558
1559                         if ($feed_id) {
1560                                 RSSUtils::set_basic_feed_info($feed_id);
1561                         }
1562
1563                         return array("code" => 1, "feed_id" => (int) $feed_id);
1564
1565                 }
1566         }
1567
1568         static function getIconFile($feed_id) {
1569                 return ICONS_DIR . "/$feed_id.ico";
1570         }
1571
1572         static function feedHasIcon($id) {
1573                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
1574         }
1575
1576         static function getFeedIcon($id) {
1577                 switch ($id) {
1578                         case 0:
1579                                 return "images/archive.png";
1580                                 break;
1581                         case -1:
1582                                 return "images/star.png";
1583                                 break;
1584                         case -2:
1585                                 return "images/feed.png";
1586                                 break;
1587                         case -3:
1588                                 return "images/fresh.png";
1589                                 break;
1590                         case -4:
1591                                 return "images/folder.png";
1592                                 break;
1593                         case -6:
1594                                 return "images/time.png";
1595                                 break;
1596                         default:
1597                                 if ($id < LABEL_BASE_INDEX) {
1598                                         return "images/label.png";
1599                                 } else {
1600                                         $icon = self::getIconFile($id);
1601
1602                     if ($icon && file_exists($icon)) {
1603                                                 return ICONS_URL . "/" . basename($icon) . "?" . filemtime($icon);
1604                                         }
1605                                 }
1606                                 break;
1607                 }
1608
1609                 return false;
1610         }
1611
1612         static function getFeedTitle($id, $cat = false) {
1613             $pdo = Db::pdo();
1614
1615                 if ($cat) {
1616                         return Feeds::getCategoryTitle($id);
1617                 } else if ($id == -1) {
1618                         return __("Starred articles");
1619                 } else if ($id == -2) {
1620                         return __("Published articles");
1621                 } else if ($id == -3) {
1622                         return __("Fresh articles");
1623                 } else if ($id == -4) {
1624                         return __("All articles");
1625                 } else if ($id === 0 || $id === "0") {
1626                         return __("Archived articles");
1627                 } else if ($id == -6) {
1628                         return __("Recently read");
1629                 } else if ($id < LABEL_BASE_INDEX) {
1630
1631                         $label_id = Labels::feed_to_label_id($id);
1632
1633                         $sth = $pdo->prepare("SELECT caption FROM ttrss_labels2 WHERE id = ?");
1634                         $sth->execute([$label_id]);
1635
1636                         if ($row = $sth->fetch()) {
1637                                 return $row["caption"];
1638                         } else {
1639                                 return "Unknown label ($label_id)";
1640                         }
1641
1642                 } else if (is_numeric($id) && $id > 0) {
1643
1644                     $sth = $pdo->prepare("SELECT title FROM ttrss_feeds WHERE id = ?");
1645                     $sth->execute([$id]);
1646
1647                     if ($row = $sth->fetch()) {
1648                                 return $row["title"];
1649                         } else {
1650                                 return "Unknown feed ($id)";
1651                         }
1652
1653                 } else {
1654                         return $id;
1655                 }
1656         }
1657
1658         static function getCategoryUnread($cat, $owner_uid = false) {
1659
1660                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1661
1662                 $pdo = Db::pdo();
1663
1664                 if ($cat >= 0) {
1665
1666                     if (!$cat) $cat = null;
1667
1668                         $sth = $pdo->prepare("SELECT id FROM ttrss_feeds
1669                     WHERE (cat_id = :cat OR (:cat IS NULL AND cat_id IS NULL))
1670                                         AND owner_uid = :uid");
1671
1672                         $sth->execute([":cat" => $cat, ":uid" => $owner_uid]);
1673
1674                         $cat_feeds = array();
1675                         while ($line = $sth->fetch()) {
1676                                 array_push($cat_feeds, "feed_id = " . (int)$line["id"]);
1677                         }
1678
1679                         if (count($cat_feeds) == 0) return 0;
1680
1681                         $match_part = implode(" OR ", $cat_feeds);
1682
1683                         $sth = $pdo->prepare("SELECT COUNT(int_id) AS unread
1684                                 FROM ttrss_user_entries
1685                                 WHERE   unread = true AND ($match_part)
1686                                 AND owner_uid = ?");
1687                         $sth->execute([$owner_uid]);
1688
1689                         $unread = 0;
1690
1691                         # this needs to be rewritten
1692                         while ($line = $sth->fetch()) {
1693                                 $unread += $line["unread"];
1694                         }
1695
1696                         return $unread;
1697                 } else if ($cat == -1) {
1698                         return getFeedUnread(-1) + getFeedUnread(-2) + getFeedUnread(-3) + getFeedUnread(0);
1699                 } else if ($cat == -2) {
1700
1701                         $sth = $pdo->prepare("SELECT COUNT(unread) AS unread FROM
1702                                         ttrss_user_entries, ttrss_user_labels2
1703                                 WHERE article_id = ref_id AND unread = true
1704                                         AND ttrss_user_entries.owner_uid = ?");
1705                         $sth->execute([$owner_uid]);
1706             $row = $sth->fetch();
1707
1708                         return $row["unread"];
1709                 }
1710         }
1711
1712         // only accepts real cats (>= 0)
1713         static function getCategoryChildrenUnread($cat, $owner_uid = false) {
1714                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1715
1716                 $pdo = Db::pdo();
1717
1718                 $sth = $pdo->prepare("SELECT id FROM ttrss_feed_categories WHERE parent_cat = ?
1719                                 AND owner_uid = ?");
1720                 $sth->execute([$cat, $owner_uid]);
1721
1722                 $unread = 0;
1723
1724                 while ($line = $sth->fetch()) {
1725                         $unread += Feeds::getCategoryUnread($line["id"], $owner_uid);
1726                         $unread += Feeds::getCategoryChildrenUnread($line["id"], $owner_uid);
1727                 }
1728
1729                 return $unread;
1730         }
1731
1732         static function getGlobalUnread($user_id = false) {
1733
1734                 if (!$user_id) $user_id = $_SESSION["uid"];
1735
1736                 $pdo = Db::pdo();
1737
1738                 $sth = $pdo->prepare("SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1739                         WHERE owner_uid = ? AND feed_id > 0");
1740                 $sth->execute([$user_id]);
1741                 $row = $sth->fetch();
1742
1743                 return $row["c_id"];
1744         }
1745
1746         static function getCategoryTitle($cat_id) {
1747
1748                 if ($cat_id == -1) {
1749                         return __("Special");
1750                 } else if ($cat_id == -2) {
1751                         return __("Labels");
1752                 } else {
1753
1754                     $pdo = Db::pdo();
1755
1756                         $sth = $pdo->prepare("SELECT title FROM ttrss_feed_categories WHERE
1757                                 id = ?");
1758                         $sth->execute([$cat_id]);
1759
1760                         if ($row = $sth->fetch()) {
1761                                 return $row["title"];
1762                         } else {
1763                                 return __("Uncategorized");
1764                         }
1765                 }
1766         }
1767
1768         static function getLabelUnread($label_id, $owner_uid = false) {
1769                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1770
1771                 $pdo = Db::pdo();
1772
1773                 $sth = $pdo->prepare("SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1774                         WHERE owner_uid = ? AND unread = true AND label_id = ? AND article_id = ref_id");
1775
1776                 $sth->execute([$owner_uid, $label_id]);
1777
1778                 if ($row = $sth->fetch()) {
1779                         return $row["unread"];
1780                 } else {
1781                         return 0;
1782                 }
1783         }
1784
1785         static function queryFeedHeadlines($params) {
1786
1787                 $pdo = Db::pdo();
1788
1789                 // WARNING: due to highly dynamic nature of this query its going to quote parameters
1790         // right before adding them to SQL part
1791
1792                 $feed = $params["feed"];
1793                 $limit = isset($params["limit"]) ? $params["limit"] : 30;
1794                 $view_mode = $params["view_mode"];
1795                 $cat_view = isset($params["cat_view"]) ? $params["cat_view"] : false;
1796                 $search = isset($params["search"]) ? $params["search"] : false;
1797                 $search_language = isset($params["search_language"]) ? $params["search_language"] : "";
1798                 $override_order = isset($params["override_order"]) ? $params["override_order"] : false;
1799                 $offset = isset($params["offset"]) ? $params["offset"] : 0;
1800                 $owner_uid = isset($params["owner_uid"]) ? $params["owner_uid"] : $_SESSION["uid"];
1801                 $since_id = isset($params["since_id"]) ? $params["since_id"] : 0;
1802                 $include_children = isset($params["include_children"]) ? $params["include_children"] : false;
1803                 $ignore_vfeed_group = isset($params["ignore_vfeed_group"]) ? $params["ignore_vfeed_group"] : false;
1804                 $override_strategy = isset($params["override_strategy"]) ? $params["override_strategy"] : false;
1805                 $override_vfeed = isset($params["override_vfeed"]) ? $params["override_vfeed"] : false;
1806                 $start_ts = isset($params["start_ts"]) ? $params["start_ts"] : false;
1807                 $check_first_id = isset($params["check_first_id"]) ? $params["check_first_id"] : false;
1808                 $skip_first_id_check = isset($params["skip_first_id_check"]) ? $params["skip_first_id_check"] : false;
1809
1810                 $ext_tables_part = "";
1811                 $limit_query_part = "";
1812
1813                 $search_words = array();
1814
1815                 if ($search) {
1816                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SEARCH) as $plugin) {
1817                                 list($search_query_part, $search_words) = $plugin->hook_search($search);
1818                                 break;
1819                         }
1820
1821                         // fall back in case of no plugins
1822                         if (!$search_query_part) {
1823                                 list($search_query_part, $search_words) = search_to_sql($search, $search_language);
1824                         }
1825                         $search_query_part .= " AND ";
1826                 } else {
1827                         $search_query_part = "";
1828                 }
1829
1830                 if ($since_id) {
1831                         $since_id_part = "ttrss_entries.id > ".$pdo->quote($since_id)." AND ";
1832                 } else {
1833                         $since_id_part = "";
1834                 }
1835
1836                 $view_query_part = "";
1837
1838                 if ($view_mode == "adaptive") {
1839                         if ($search) {
1840                                 $view_query_part = " ";
1841                         } else if ($feed != -1) {
1842
1843                                 $unread = getFeedUnread($feed, $cat_view);
1844
1845                                 if ($cat_view && $feed > 0 && $include_children)
1846                                         $unread += Feeds::getCategoryChildrenUnread($feed);
1847
1848                                 if ($unread > 0) {
1849                                         $view_query_part = " unread = true AND ";
1850                                 }
1851                         }
1852                 }
1853
1854                 if ($view_mode == "marked") {
1855                         $view_query_part = " marked = true AND ";
1856                 }
1857
1858                 if ($view_mode == "has_note") {
1859                         $view_query_part = " (note IS NOT NULL AND note != '') AND ";
1860                 }
1861
1862                 if ($view_mode == "published") {
1863                         $view_query_part = " published = true AND ";
1864                 }
1865
1866                 if ($view_mode == "unread" && $feed != -6) {
1867                         $view_query_part = " unread = true AND ";
1868                 }
1869
1870                 if ($limit > 0) {
1871                         $limit_query_part = "LIMIT " . (int)$limit;
1872                 }
1873
1874                 $allow_archived = false;
1875
1876                 $vfeed_query_part = "";
1877
1878                 /* tags */
1879                 if (!is_numeric($feed)) {
1880                         $query_strategy_part = "true";
1881                         $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
1882                                         id = feed_id) as feed_title,";
1883                 } else if ($feed > 0) {
1884
1885                         if ($cat_view) {
1886
1887                                 if ($feed > 0) {
1888                                         if ($include_children) {
1889                                                 # sub-cats
1890                                                 $subcats = Feeds::getChildCategories($feed, $owner_uid);
1891                                                 array_push($subcats, $feed);
1892                                                 $subcats = array_map("intval", $subcats);
1893
1894                                                 $query_strategy_part = "cat_id IN (".
1895                                                         implode(",", $subcats).")";
1896
1897                                         } else {
1898                                                 $query_strategy_part = "cat_id = " . $pdo->quote($feed);
1899                                         }
1900
1901                                 } else {
1902                                         $query_strategy_part = "cat_id IS NULL";
1903                                 }
1904
1905                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
1906
1907                         } else {
1908                                 $query_strategy_part = "feed_id = " . $pdo->quote($feed);
1909                         }
1910                 } else if ($feed == 0 && !$cat_view) { // archive virtual feed
1911                         $query_strategy_part = "feed_id IS NULL";
1912                         $allow_archived = true;
1913                 } else if ($feed == 0 && $cat_view) { // uncategorized
1914                         $query_strategy_part = "cat_id IS NULL AND feed_id IS NOT NULL";
1915                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
1916                 } else if ($feed == -1) { // starred virtual feed
1917                         $query_strategy_part = "marked = true";
1918                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
1919                         $allow_archived = true;
1920
1921                         if (!$override_order) {
1922                                 $override_order = "last_marked DESC, date_entered DESC, updated DESC";
1923                         }
1924
1925                 } else if ($feed == -2) { // published virtual feed OR labels category
1926
1927                         if (!$cat_view) {
1928                                 $query_strategy_part = "published = true";
1929                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
1930                                 $allow_archived = true;
1931
1932                                 if (!$override_order) {
1933                                         $override_order = "last_published DESC, date_entered DESC, updated DESC";
1934                                 }
1935
1936                         } else {
1937                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
1938
1939                                 $ext_tables_part = "ttrss_labels2,ttrss_user_labels2,";
1940
1941                                 $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
1942                                                 ttrss_user_labels2.article_id = ref_id";
1943
1944                         }
1945                 } else if ($feed == -6) { // recently read
1946                         $query_strategy_part = "unread = false AND last_read IS NOT NULL";
1947
1948                         if (DB_TYPE == "pgsql") {
1949                                 $query_strategy_part .= " AND last_read > NOW() - INTERVAL '1 DAY' ";
1950                         } else {
1951                                 $query_strategy_part .= " AND last_read > DATE_SUB(NOW(), INTERVAL 1 DAY) ";
1952                         }
1953
1954                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
1955                         $allow_archived = true;
1956                         $ignore_vfeed_group = true;
1957
1958                         if (!$override_order) $override_order = "last_read DESC";
1959
1960                 } else if ($feed == -3) { // fresh virtual feed
1961                         $query_strategy_part = "unread = true AND score >= 0";
1962
1963                         $intl = (int) get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
1964
1965                         if (DB_TYPE == "pgsql") {
1966                                 $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
1967                         } else {
1968                                 $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1969                         }
1970
1971                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
1972                 } else if ($feed == -4) { // all articles virtual feed
1973                         $allow_archived = true;
1974                         $query_strategy_part = "true";
1975                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
1976                 } else if ($feed <= LABEL_BASE_INDEX) { // labels
1977                         $label_id = Labels::feed_to_label_id($feed);
1978
1979                         $query_strategy_part = "label_id = ".$pdo->quote($label_id)." AND
1980                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
1981                                         ttrss_user_labels2.article_id = ref_id";
1982
1983                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
1984                         $ext_tables_part = "ttrss_labels2,ttrss_user_labels2,";
1985                         $allow_archived = true;
1986
1987                 } else {
1988                         $query_strategy_part = "true";
1989                 }
1990
1991                 $order_by = "score DESC, date_entered DESC, updated DESC";
1992
1993                 if ($override_order) {
1994                         $order_by = $override_order;
1995                 }
1996
1997                 if ($override_strategy) {
1998                         $query_strategy_part = $override_strategy;
1999                 }
2000
2001                 if ($override_vfeed) {
2002                         $vfeed_query_part = $override_vfeed;
2003                 }
2004
2005                 if ($search) {
2006                         $feed_title = T_sprintf("Search results: %s", $search);
2007                 } else {
2008                         if ($cat_view) {
2009                                 $feed_title = Feeds::getCategoryTitle($feed);
2010                         } else {
2011                                 if (is_numeric($feed) && $feed > 0) {
2012                                         $ssth = $pdo->prepare("SELECT title,site_url,last_error,last_updated
2013                                                         FROM ttrss_feeds WHERE id = ? AND owner_uid = ?");
2014                                         $ssth->execute([$feed, $owner_uid]);
2015                     $row = $ssth->fetch();
2016
2017                                         $feed_title = $row["title"];
2018                                         $feed_site_url = $row["site_url"];
2019                                         $last_error = $row["last_error"];
2020                                         $last_updated = $row["last_updated"];
2021                                 } else {
2022                                         $feed_title = Feeds::getFeedTitle($feed);
2023                                 }
2024                         }
2025                 }
2026
2027                 $content_query_part = "content, ";
2028
2029                 if ($limit_query_part) {
2030                         $offset_query_part = "OFFSET " . (int)$offset;
2031                 } else {
2032                         $offset_query_part = "";
2033                 }
2034
2035                 if (is_numeric($feed)) {
2036                         // proper override_order applied above
2037                         if ($vfeed_query_part && !$ignore_vfeed_group && get_pref('VFEED_GROUP_BY_FEED', $owner_uid)) {
2038                                 if (!$override_order) {
2039                                         $order_by = "ttrss_feeds.title, ".$order_by;
2040                                 } else {
2041                                         $order_by = "ttrss_feeds.title, ".$override_order;
2042                                 }
2043                         }
2044
2045                         if (!$allow_archived) {
2046                                 $from_qpart = "${ext_tables_part}ttrss_entries LEFT JOIN ttrss_user_entries ON (ref_id = ttrss_entries.id),ttrss_feeds";
2047                                 $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2048
2049                         } else {
2050                                 $from_qpart = "${ext_tables_part}ttrss_entries LEFT JOIN ttrss_user_entries ON (ref_id = ttrss_entries.id)
2051                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
2052                         }
2053
2054                         if ($vfeed_query_part) $vfeed_query_part .= "favicon_avg_color,";
2055
2056                         if ($start_ts) {
2057                                 $start_ts_formatted = date("Y/m/d H:i:s", strtotime($start_ts));
2058                                 $start_ts_query_part = "date_entered >= '$start_ts_formatted' AND";
2059                         } else {
2060                                 $start_ts_query_part = "";
2061                         }
2062
2063                         $first_id = 0;
2064                         $first_id_query_strategy_part = $query_strategy_part;
2065
2066                         if ($feed == -3)
2067                                 $first_id_query_strategy_part = "true";
2068
2069                         if (DB_TYPE == "pgsql") {
2070                                 $sanity_interval_qpart = "date_entered >= NOW() - INTERVAL '1 hour' AND";
2071                         } else {
2072                                 $sanity_interval_qpart = "date_entered >= DATE_SUB(NOW(), INTERVAL 1 hour) AND";
2073                         }
2074
2075                         if (!$search && !$skip_first_id_check) {
2076                                 // if previous topmost article id changed that means our current pagination is no longer valid
2077                                 $query = "SELECT DISTINCT
2078                                                         ttrss_feeds.title,
2079                                                         date_entered,
2080                                                         guid,
2081                                                         ttrss_entries.id,
2082                                                         ttrss_entries.title,
2083                                                         updated,
2084                                                         score,
2085                                                         marked,
2086                                                         published,
2087                                                         last_marked,
2088                                                         last_published,
2089                                                         last_read
2090                                                 FROM
2091                                                         $from_qpart
2092                                                 WHERE
2093                                                 $feed_check_qpart
2094                                                 ttrss_user_entries.owner_uid = ".$pdo->quote($owner_uid)." AND
2095                                                 $search_query_part
2096                                                 $start_ts_query_part
2097                                                 $since_id_part
2098                                                 $sanity_interval_qpart
2099                                                 $first_id_query_strategy_part ORDER BY $order_by LIMIT 1";
2100
2101                                 /*if ($_REQUEST["debug"]) {
2102                                         print $query;
2103                                 }*/
2104
2105                                 $res = $pdo->query($query);
2106
2107                                 if ($row = $res->fetch()) {
2108                                         $first_id = (int)$row["id"];
2109
2110                                         if ($offset > 0 && $first_id && $check_first_id && $first_id != $check_first_id) {
2111                                                 return array(-1, $feed_title, $feed_site_url, $last_error, $last_updated, $search_words, $first_id);
2112                                         }
2113                                 }
2114                         }
2115
2116                         $query = "SELECT DISTINCT
2117                                                 date_entered,
2118                                                 guid,
2119                                                 ttrss_entries.id,ttrss_entries.title,
2120                                                 updated,
2121                                                 label_cache,
2122                                                 tag_cache,
2123                                                 always_display_enclosures,
2124                                                 site_url,
2125                                                 note,
2126                                                 num_comments,
2127                                                 comments,
2128                                                 int_id,
2129                                                 uuid,
2130                                                 lang,
2131                                                 hide_images,
2132                                                 unread,feed_id,marked,published,link,last_read,orig_feed_id,
2133                                                 last_marked, last_published,
2134                                                 $vfeed_query_part
2135                                                 $content_query_part
2136                                                 author,score
2137                                         FROM
2138                                                 $from_qpart
2139                                         WHERE
2140                                         $feed_check_qpart
2141                                         ttrss_user_entries.owner_uid = ".$pdo->quote($owner_uid)." AND
2142                                         $search_query_part
2143                                         $start_ts_query_part
2144                                         $view_query_part
2145                                         $since_id_part
2146                                         $query_strategy_part ORDER BY $order_by
2147                                         $limit_query_part $offset_query_part";
2148
2149                         //if ($_REQUEST["debug"]) print $query;
2150
2151                         $res = $pdo->query($query);
2152
2153                 } else {
2154                         // browsing by tag
2155
2156                         $query = "SELECT DISTINCT
2157                                                         date_entered,
2158                                                         guid,
2159                                                         note,
2160                                                         ttrss_entries.id as id,
2161                                                         title,
2162                                                         updated,
2163                                                         unread,
2164                                                         feed_id,
2165                                                         orig_feed_id,
2166                                                         marked,
2167                                                         num_comments,
2168                                                         comments,
2169                                                         int_id,
2170                                                         tag_cache,
2171                                                         label_cache,
2172                                                         link,
2173                                                         lang,
2174                                                         uuid,
2175                                                         last_read,
2176                                                         (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) AS hide_images,
2177                                                         last_marked, last_published,
2178                                                         $since_id_part
2179                                                         $vfeed_query_part
2180                                                         $content_query_part
2181                                                         author, score
2182                                                 FROM ttrss_entries, ttrss_user_entries, ttrss_tags
2183                                                 WHERE
2184                                                         ref_id = ttrss_entries.id AND
2185                                                         ttrss_user_entries.owner_uid = ".$pdo->quote($owner_uid)." AND
2186                                                         post_int_id = int_id AND
2187                                                         tag_name = ".$pdo->quote($feed)." AND
2188                                                         $view_query_part
2189                                                         $search_query_part
2190                                                         $query_strategy_part ORDER BY $order_by
2191                                                         $limit_query_part $offset_query_part";
2192
2193                         if ($_REQUEST["debug"]) print $query;
2194
2195                         $res = $pdo->query($query);
2196                 }
2197
2198                 return array($res, $feed_title, $feed_site_url, $last_error, $last_updated, $search_words, $first_id);
2199
2200         }
2201
2202         static function getParentCategories($cat, $owner_uid) {
2203                 $rv = array();
2204
2205                 $pdo = Db::pdo();
2206
2207                 $sth = $pdo->prepare("SELECT parent_cat FROM ttrss_feed_categories
2208                         WHERE id = ? AND parent_cat IS NOT NULL AND owner_uid = ?");
2209                 $sth->execute([$cat, $owner_uid]);
2210
2211                 while ($line = $sth->fetch()) {
2212                         array_push($rv, $line["parent_cat"]);
2213                         $rv = array_merge($rv, Feeds::getParentCategories($line["parent_cat"], $owner_uid));
2214                 }
2215
2216                 return $rv;
2217         }
2218
2219         static function getChildCategories($cat, $owner_uid) {
2220                 $rv = array();
2221
2222                 $pdo = Db::pdo();
2223
2224                 $sth = $pdo->prepare("SELECT id FROM ttrss_feed_categories
2225                         WHERE parent_cat = ? AND owner_uid = ?");
2226                 $sth->execute([$cat, $owner_uid]);
2227
2228                 while ($line = $sth->fetch()) {
2229                         array_push($rv, $line["id"]);
2230                         $rv = array_merge($rv, Feeds::getChildCategories($line["id"], $owner_uid));
2231                 }
2232
2233                 return $rv;
2234         }
2235
2236         static function getFeedCategory($feed) {
2237                 $pdo = Db::pdo();
2238
2239             $sth = $pdo->prepare("SELECT cat_id FROM ttrss_feeds
2240                                 WHERE id = ?");
2241             $sth->execute([$feed]);
2242
2243                 if ($row = $sth->fetch()) {
2244                         return $row["cat_id"];
2245                 } else {
2246                         return false;
2247                 }
2248
2249         }
2250
2251
2252 }
2253