classes/handler/public.php

   1 <?php
   2 class Handler_Public extends Handler {
   3
   4         private function generate_syndicated_feed($owner_uid, $feed, $is_cat,
   5                 $limit, $offset, $search, $search_mode, $match_on,
   6                 $view_mode = false, $format = 'atom') {
   7
   8                 require_once "lib/MiniTemplator.class.php";
   9
  10                 $note_style =   "background-color : #fff7d5;
  11                         border-width : 1px; ".
  12                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
  13                         "margin-bottom : 1em; color : #9a8c59;";
  14
  15                 if (!$limit) $limit = 100;
  16
  17                 if (get_pref($this->link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
  18                         $date_sort_field = "updated";
  19                 } else {
  20                         $date_sort_field = "date_entered";
  21                 }
  22
  23                 if ($feed == -2)
  24                         $date_sort_field = "last_read";
  25
  26                 $qfh_ret = queryFeedHeadlines($this->link, $feed,
  27                         $limit, $view_mode, $is_cat, $search, $search_mode,
  28                         $match_on, "$date_sort_field DESC", $offset, $owner_uid,
  29                         false, 0, false, true);
  30
  31                 $result = $qfh_ret[0];
  32                 $feed_title = htmlspecialchars($qfh_ret[1]);
  33                 $feed_site_url = $qfh_ret[2];
  34                 $last_error = $qfh_ret[3];
  35
  36                 $feed_self_url = get_self_url_prefix() .
  37                         "/public.php?op=rss&id=-2&key=" .
  38                         get_feed_access_key($this->link, -2, false, $owner_uid);
  39
  40                 if (!$feed_site_url) $feed_site_url = get_self_url_prefix();
  41
  42                 if ($format == 'atom') {
  43                         $tpl = new MiniTemplator;
  44
  45                         $tpl->readTemplateFromFile("templates/generated_feed.txt");
  46
  47                         $tpl->setVariable('FEED_TITLE', $feed_title, true);
  48                         $tpl->setVariable('VERSION', VERSION, true);
  49                         $tpl->setVariable('FEED_URL', htmlspecialchars($feed_self_url), true);
  50
  51                         if (PUBSUBHUBBUB_HUB && $feed == -2) {
  52                                 $tpl->setVariable('HUB_URL', htmlspecialchars(PUBSUBHUBBUB_HUB), true);
  53                                 $tpl->addBlock('feed_hub');
  54                         }
  55
  56                         $tpl->setVariable('SELF_URL', htmlspecialchars(get_self_url_prefix()), true);
  57
  58                         while ($line = db_fetch_assoc($result)) {
  59                                 $tpl->setVariable('ARTICLE_ID', htmlspecialchars($line['link']), true);
  60                                 $tpl->setVariable('ARTICLE_LINK', htmlspecialchars($line['link']), true);
  61                                 $tpl->setVariable('ARTICLE_TITLE', htmlspecialchars($line['title']), true);
  62                                 $tpl->setVariable('ARTICLE_EXCERPT',
  63                                         truncate_string(strip_tags($line["content_preview"]), 100, '...'), true);
  64
  65                                 $content = sanitize($this->link, $line["content_preview"], false, $owner_uid);
  66
  67                                 if ($line['note']) {
  68                                         $content = "<div style=\"$note_style\">Article note: " . $line['note'] . "</div>" .
  69                                                 $content;
  70 }
  71
  72                                 $tpl->setVariable('ARTICLE_CONTENT', $content, true);
  73
  74                                 $tpl->setVariable('ARTICLE_UPDATED_ATOM',
  75                                         date('c', strtotime($line["updated"])), true);
  76                                 $tpl->setVariable('ARTICLE_UPDATED_RFC822',
  77                                         date(DATE_RFC822, strtotime($line["updated"])), true);
  78
  79                                 $tpl->setVariable('ARTICLE_AUTHOR', htmlspecialchars($line['author']), true);
  80
  81                                 $tags = get_article_tags($this->link, $line["id"], $owner_uid);
  82
  83                                 foreach ($tags as $tag) {
  84                                         $tpl->setVariable('ARTICLE_CATEGORY', htmlspecialchars($tag), true);
  85                                         $tpl->addBlock('category');
  86                                 }
  87
  88                                 $enclosures = get_article_enclosures($this->link, $line["id"]);
  89
  90                                 foreach ($enclosures as $e) {
  91                                         $type = htmlspecialchars($e['content_type']);
  92                                         $url = htmlspecialchars($e['content_url']);
  93                                         $length = $e['duration'];
  94
  95                                         $tpl->setVariable('ARTICLE_ENCLOSURE_URL', $url, true);
  96                                         $tpl->setVariable('ARTICLE_ENCLOSURE_TYPE', $type, true);
  97                                         $tpl->setVariable('ARTICLE_ENCLOSURE_LENGTH', $length, true);
  98
  99                                         $tpl->addBlock('enclosure');
 100                                 }
 101
 102                                 $tpl->addBlock('entry');
 103                         }
 104
 105                         $tmp = "";
 106
 107                         $tpl->addBlock('feed');
 108                         $tpl->generateOutputToString($tmp);
 109
 110                         if (@!$_REQUEST["noxml"]) {
 111                                 header("Content-Type: text/xml; charset=utf-8");
 112                         } else {
 113                                 header("Content-Type: text/plain; charset=utf-8");
 114                         }
 115
 116                         print $tmp;
 117                 } else if ($format == 'json') {
 118
 119                         $feed = array();
 120
 121                         $feed['title'] = $feed_title;
 122                         $feed['version'] = VERSION;
 123                         $feed['feed_url'] = $feed_self_url;
 124
 125                         if (PUBSUBHUBBUB_HUB && $feed == -2) {
 126                                 $feed['hub_url'] = PUBSUBHUBBUB_HUB;
 127                         }
 128
 129                         $feed['self_url'] = get_self_url_prefix();
 130
 131                         $feed['articles'] = array();
 132
 133                         while ($line = db_fetch_assoc($result)) {
 134                                 $article = array();
 135
 136                                 $article['id'] = $line['link'];
 137                                 $article['link']        = $line['link'];
 138                                 $article['title'] = $line['title'];
 139                                 $article['excerpt'] = truncate_string(strip_tags($line["content_preview"]), 100, '...');
 140                                 $article['content'] = sanitize($this->link, $line["content_preview"], false, $owner_uid);
 141                                 $article['updated'] = date('c', strtotime($line["updated"]));
 142
 143                                 if ($line['note']) $article['note'] = $line['note'];
 144                                 if ($article['author']) $article['author'] = $line['author'];
 145
 146                                 $tags = get_article_tags($this->link, $line["id"], $owner_uid);
 147
 148                                 if (count($tags) > 0) {
 149                                         $article['tags'] = array();
 150
 151                                         foreach ($tags as $tag) {
 152                                                 array_push($article['tags'], $tag);
 153                                         }
 154                                 }
 155
 156                                 $enclosures = get_article_enclosures($this->link, $line["id"]);
 157
 158                                 if (count($enclosures) > 0) {
 159                                         $article['enclosures'] = array();
 160
 161                                         foreach ($enclosures as $e) {
 162                                                 $type = $e['content_type'];
 163                                                 $url = $e['content_url'];
 164                                                 $length = $e['duration'];
 165
 166                                                 array_push($article['enclosures'], array("url" => $url, "type" => $type, "length" => $length));
 167                                         }
 168                                 }
 169
 170                                 array_push($feed['articles'], $article);
 171                         }
 172
 173                         header("Content-Type: text/json; charset=utf-8");
 174                         print json_encode($feed);
 175
 176                 } else {
 177                         header("Content-Type: text/plain; charset=utf-8");
 178                         print json_encode(array("error" => array("message" => "Unknown format")));
 179                 }
 180         }
 181
 182         function getUnread() {
 183                 $login = db_escape_string($_REQUEST["login"]);
 184                 $fresh = $_REQUEST["fresh"] == "1";
 185
 186                 $result = db_query($this->link, "SELECT id FROM ttrss_users WHERE login = '$login'");
 187
 188                 if (db_num_rows($result) == 1) {
 189                         $uid = db_fetch_result($result, 0, "id");
 190
 191                         print getGlobalUnread($this->link, $uid);
 192
 193                         if ($fresh) {
 194                                 print ";";
 195                                 print getFeedArticles($this->link, -3, false, true, $uid);
 196                         }
 197
 198                 } else {
 199                         print "-1;User not found";
 200                 }
 201
 202         }
 203
 204         function getProfiles() {
 205                 $login = db_escape_string($_REQUEST["login"]);
 206
 207                 $result = db_query($this->link, "SELECT * FROM ttrss_settings_profiles,ttrss_users
 208                         WHERE ttrss_users.id = ttrss_settings_profiles.owner_uid AND login = '$login' ORDER BY title");
 209
 210                 print "<select dojoType='dijit.form.Select' style='width : 220px; margin : 0px' name='profile'>";
 211
 212                 print "<option value='0'>" . __("Default profile") . "</option>";
 213
 214                 while ($line = db_fetch_assoc($result)) {
 215                         $id = $line["id"];
 216                         $title = $line["title"];
 217
 218                         print "<option value='$id'>$title</option>";
 219                 }
 220
 221                 print "</select>";
 222         }
 223
 224         function pubsub() {
 225                 $mode = db_escape_string($_REQUEST['hub_mode']);
 226                 $feed_id = (int) db_escape_string($_REQUEST['id']);
 227                 $feed_url = db_escape_string($_REQUEST['hub_topic']);
 228
 229                 if (!PUBSUBHUBBUB_ENABLED) {
 230                         header('HTTP/1.0 404 Not Found');
 231                         echo "404 Not found";
 232                         return;
 233                 }
 234
 235                 // TODO: implement hub_verifytoken checking
 236
 237                 $result = db_query($this->link, "SELECT feed_url FROM ttrss_feeds
 238                         WHERE id = '$feed_id'");
 239
 240                 if (db_num_rows($result) != 0) {
 241
 242                         $check_feed_url = db_fetch_result($result, 0, "feed_url");
 243
 244                         if ($check_feed_url && ($check_feed_url == $feed_url || !$feed_url)) {
 245                                 if ($mode == "subscribe") {
 246
 247                                         db_query($this->link, "UPDATE ttrss_feeds SET pubsub_state = 2
 248                                                 WHERE id = '$feed_id'");
 249
 250                                         print $_REQUEST['hub_challenge'];
 251                                         return;
 252
 253                                 } else if ($mode == "unsubscribe") {
 254
 255                                         db_query($this->link, "UPDATE ttrss_feeds SET pubsub_state = 0
 256                                                 WHERE id = '$feed_id'");
 257
 258                                         print $_REQUEST['hub_challenge'];
 259                                         return;
 260
 261                                 } else if (!$mode) {
 262
 263                                         // Received update ping, schedule feed update.
 264                                         //update_rss_feed($this->link, $feed_id, true, true);
 265
 266                                         db_query($this->link, "UPDATE ttrss_feeds SET
 267                                                 last_update_started = '1970-01-01',
 268                                                 last_updated = '1970-01-01' WHERE id = '$feed_id'");
 269
 270                                 }
 271                         } else {
 272                                 header('HTTP/1.0 404 Not Found');
 273                                 echo "404 Not found";
 274                         }
 275                 } else {
 276                         header('HTTP/1.0 404 Not Found');
 277                         echo "404 Not found";
 278                 }
 279
 280         }
 281
 282         function logout() {
 283                 logout_user();
 284                 header("Location: index.php");
 285         }
 286
 287         function share() {
 288                 $uuid = db_escape_string($_REQUEST["key"]);
 289
 290                 $result = db_query($this->link, "SELECT ref_id, owner_uid FROM ttrss_user_entries WHERE
 291                         uuid = '$uuid'");
 292
 293                 if (db_num_rows($result) != 0) {
 294                         header("Content-Type: text/html");
 295
 296                         $id = db_fetch_result($result, 0, "ref_id");
 297                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 298
 299                         $article = format_article($this->link, $id, false, true, $owner_uid);
 300
 301                         print_r($article['content']);
 302
 303                 } else {
 304                         print "Article not found.";
 305                 }
 306
 307         }
 308
 309         function rss() {
 310                 $feed = db_escape_string($_REQUEST["id"]);
 311                 $key = db_escape_string($_REQUEST["key"]);
 312                 $is_cat = $_REQUEST["is_cat"] != false;
 313                 $limit = (int)db_escape_string($_REQUEST["limit"]);
 314                 $offset = (int)db_escape_string($_REQUEST["offset"]);
 315
 316                 $search = db_escape_string($_REQUEST["q"]);
 317                 $match_on = db_escape_string($_REQUEST["m"]);
 318                 $search_mode = db_escape_string($_REQUEST["smode"]);
 319                 $view_mode = db_escape_string($_REQUEST["view-mode"]);
 320
 321                 $format = db_escape_string($_REQUEST['format']);
 322
 323                 if (!$format) $format = 'atom';
 324
 325                 if (SINGLE_USER_MODE) {
 326                         authenticate_user($this->link, "admin", null);
 327                 }
 328
 329                 $owner_id = false;
 330
 331                 if ($key) {
 332                         $result = db_query($this->link, "SELECT owner_uid FROM
 333                                 ttrss_access_keys WHERE access_key = '$key' AND feed_id = '$feed'");
 334
 335                         if (db_num_rows($result) == 1)
 336                                 $owner_id = db_fetch_result($result, 0, "owner_uid");
 337                 }
 338
 339                 if ($owner_id) {
 340                         $this->generate_syndicated_feed($owner_id, $feed, $is_cat, $limit,
 341                                 $offset, $search, $search_mode, $match_on, $view_mode, $format);
 342                 } else {
 343                         header('HTTP/1.1 403 Forbidden');
 344                 }
 345         }
 346
 347         function globalUpdateFeeds() {
 348                 include "rssfuncs.php";
 349                 // Update all feeds needing a update.
 350                 update_daemon_common($this->link, 0, true, false);
 351         }
 352
 353         function sharepopup() {
 354                 if (SINGLE_USER_MODE) {
 355                         login_sequence($this->link);
 356                 }
 357
 358                 header('Content-Type: text/html; charset=utf-8');
 359                 print "<html>
 360                                 <head>
 361                                         <title>Tiny Tiny RSS</title>
 362                                         <link rel=\"stylesheet\" type=\"text/css\" href=\"utility.css\">
 363                                         <script type=\"text/javascript\" src=\"lib/prototype.js\"></script>
 364                                         <script type=\"text/javascript\" src=\"lib/scriptaculous/scriptaculous.js?load=effects,dragdrop,controls\"></script>
 365                                         <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
 366                                 </head>
 367                                 <body id='sharepopup'>";
 368
 369                 $action = $_REQUEST["action"];
 370
 371                 if ($_SESSION["uid"]) {
 372
 373                         if ($action == 'share') {
 374
 375                                 $title = db_escape_string(strip_tags($_REQUEST["title"]));
 376                                 $url = db_escape_string(strip_tags($_REQUEST["url"]));
 377                                 $content = db_escape_string(strip_tags($_REQUEST["content"]));
 378                                 $labels = db_escape_string(strip_tags($_REQUEST["labels"]));
 379
 380                                 Article::create_published_article($this->link, $title, $url, $content, $labels,
 381                                         $_SESSION["uid"]);
 382
 383                                 print "<script type='text/javascript'>";
 384                                 print "window.close();";
 385                                 print "</script>";
 386
 387                         } else {
 388                                 $title = htmlspecialchars($_REQUEST["title"]);
 389                                 $url = htmlspecialchars($_REQUEST["url"]);
 390
 391                                 ?>
 392
 393                                 <table height='100%' width='100%'><tr><td colspan='2'>
 394                                 <h1><?php echo __("Share with Tiny Tiny RSS") ?></h1>
 395                                 </td></tr>
 396
 397                                 <form id='share_form' name='share_form'>
 398
 399                                 <input type="hidden" name="op" value="sharepopup">
 400                                 <input type="hidden" name="action" value="share">
 401
 402                                 <tr><td align='right'><?php echo __("Title:") ?></td>
 403                                 <td width='80%'><input name='title' value="<?php echo $title ?>"></td></tr>
 404                                 <tr><td align='right'><?php echo __("URL:") ?></td>
 405                                 <td><input name='url' value="<?php echo $url ?>"></td></tr>
 406                                 <tr><td align='right'><?php echo __("Content:") ?></td>
 407                                 <td><input name='content' value=""></td></tr>
 408                                 <tr><td align='right'><?php echo __("Labels:") ?></td>
 409                                 <td><input name='labels' id="labels_value"
 410                                         placeholder='Alpha, Beta, Gamma' value="">
 411                                 </td></tr>
 412
 413                                 <tr><td>
 414                                         <div class="autocomplete" id="labels_choices"
 415                                                 style="display : block"></div></td></tr>
 416
 417                                 <script type='text/javascript'>document.forms[0].title.focus();</script>
 418
 419                                 <script type='text/javascript'>
 420                                         new Ajax.Autocompleter('labels_value', 'labels_choices',
 421                                    "backend.php?op=rpc&method=completeLabels",
 422                                    { tokens: ',', paramName: "search" });
 423                                 </script>
 424
 425                                 <tr><td colspan='2'>
 426                                         <div style='float : right' class='insensitive-small'>
 427                                         <?php echo __("Shared article will appear in the Published feed.") ?>
 428                                         </div>
 429                                         <button type="submit"><?php echo __('Share') ?></button>
 430                                         <button onclick="return window.close()"><?php echo __('Cancel') ?></button>
 431                                         </div>
 432
 433                                 </form>
 434                                 </td></tr></table>
 435                                 </body></html>
 436                                 <?php
 437
 438                         }
 439
 440                 } else {
 441
 442                         $return = urlencode($_SERVER["REQUEST_URI"])
 443                         ?>
 444
 445                         <form action="public.php?return=<?php echo $return ?>"
 446                                 method="POST" id="loginForm" name="loginForm">
 447
 448                         <input type="hidden" name="op" value="login">
 449
 450                         <table height='100%' width='100%'><tr><td colspan='2'>
 451                         <h1><?php echo __("Not logged in") ?></h1></td></tr>
 452
 453                         <tr><td align="right"><?php echo __("Login:") ?></td>
 454                         <td align="right"><input name="login"
 455                                 value="<?php echo $_SESSION["fake_login"] ?>"></td></tr>
 456                                 <tr><td align="right"><?php echo __("Password:") ?></td>
 457                                 <td align="right"><input type="password" name="password"
 458                                 value="<?php echo $_SESSION["fake_password"] ?>"></td></tr>
 459                         <tr><td align="right"><?php echo __("Language:") ?></td>
 460                         <td align="right">
 461                         <?php
 462                                 print_select_hash("language", $_COOKIE["ttrss_lang"], get_translations(),
 463                                         "style='width : 100%''");
 464
 465                         ?>
 466                         </td></tr>
 467                         <tr><td colspan='2'>
 468                                 <button type="submit">
 469                                         <?php echo __('Log in') ?></button>
 470
 471                                 <button onclick="return window.close()">
 472                                         <?php echo __('Cancel') ?></button>
 473                         </td></tr>
 474                         </table>
 475
 476                         </form>
 477                         <?php
 478                 }
 479         }
 480
 481         function login() {
 482
 483                 $_SESSION["prefs_cache"] = array();
 484
 485                 if (!SINGLE_USER_MODE) {
 486
 487                         $login = db_escape_string($_POST["login"]);
 488                         $password = $_POST["password"];
 489                         $remember_me = $_POST["remember_me"];
 490
 491                         if (authenticate_user($this->link, $login, $password)) {
 492                                 $_POST["password"] = "";
 493
 494                                 $_SESSION["language"] = $_POST["language"];
 495                                 $_SESSION["ref_schema_version"] = get_schema_version($this->link, true);
 496                                 $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
 497
 498                                 if ($_POST["profile"]) {
 499
 500                                         $profile = db_escape_string($_POST["profile"]);
 501
 502                                         $result = db_query($this->link, "SELECT id FROM ttrss_settings_profiles
 503                                                 WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
 504
 505                                         if (db_num_rows($result) != 0) {
 506                                                 $_SESSION["profile"] = $profile;
 507                                                 $_SESSION["prefs_cache"] = array();
 508                                         }
 509                                 }
 510                         } else {
 511                                 $_SESSION["login_error_msg"] = __("Incorrect username or password");
 512                         }
 513
 514                         if ($_REQUEST['return']) {
 515                                 header("Location: " . $_REQUEST['return']);
 516                         } else {
 517                                 header("Location: " . SELF_URL_PATH);
 518                         }
 519                 }
 520         }
 521
 522         function subscribe() {
 523                 if (SINGLE_USER_MODE) {
 524                         login_sequence($this->link);
 525                 }
 526
 527                 if ($_SESSION["uid"]) {
 528
 529                         $feed_url = db_escape_string(trim($_REQUEST["feed_url"]));
 530
 531                         header('Content-Type: text/html; charset=utf-8');
 532                         print "<html>
 533                                 <head>
 534                                         <title>Tiny Tiny RSS</title>
 535                                         <link rel=\"stylesheet\" type=\"text/css\" href=\"utility.css\">
 536                                         <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
 537                                 </head>
 538                                 <body>
 539                                 <img class=\"floatingLogo\" src=\"images/logo_wide.png\"
 540                                         alt=\"Tiny Tiny RSS\"/>
 541                                         <h1>".__("Subscribe to feed...")."</h1>";
 542
 543                         $rc = subscribe_to_feed($this->link, $feed_url);
 544
 545                         switch ($rc['code']) {
 546                         case 0:
 547                                 print_warning(T_sprintf("Already subscribed to <b>%s</b>.", $feed_url));
 548                                 break;
 549                         case 1:
 550                                 print_notice(T_sprintf("Subscribed to <b>%s</b>.", $feed_url));
 551                                 break;
 552                         case 2:
 553                                 print_error(T_sprintf("Could not subscribe to <b>%s</b>.", $feed_url));
 554                                 break;
 555                         case 3:
 556                                 print_error(T_sprintf("No feeds found in <b>%s</b>.", $feed_url));
 557                                 break;
 558                         case 4:
 559                                 print_notice(__("Multiple feed URLs found."));
 560                                 $feed_urls = $rc["feeds"];
 561                                 break;
 562                         case 5:
 563                                 print_error(T_sprintf("Could not subscribe to <b>%s</b>.<br>Can't download the Feed URL.", $feed_url));
 564                                 break;
 565                         }
 566
 567                         if ($feed_urls) {
 568
 569                                 print "<form action=\"public.php\">";
 570                                 print "<input type=\"hidden\" name=\"op\" value=\"subscribe\">";
 571
 572                                 print "<select name=\"feed_url\">";
 573
 574                                 foreach ($feed_urls as $url => $name) {
 575                                         $url = htmlspecialchars($url);
 576                                         $name = htmlspecialchars($name);
 577
 578                                         print "<option value=\"$url\">$name</option>";
 579                                 }
 580
 581                                 print "<input type=\"submit\" value=\"".__("Subscribe to selected feed").
 582                                         "\">";
 583
 584                                 print "</form>";
 585                         }
 586
 587                         $tp_uri = get_self_url_prefix() . "/prefs.php";
 588                         $tt_uri = get_self_url_prefix();
 589
 590                         if ($rc['code'] <= 2){
 591                                 $result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE
 592                                         feed_url = '$feed_url' AND owner_uid = " . $_SESSION["uid"]);
 593
 594                                 $feed_id = db_fetch_result($result, 0, "id");
 595                         } else {
 596                                 $feed_id = 0;
 597                         }
 598                         print "<p>";
 599
 600                         if ($feed_id) {
 601                                 print "<form method=\"GET\" style='display: inline'
 602                                         action=\"$tp_uri\">
 603                                         <input type=\"hidden\" name=\"tab\" value=\"feedConfig\">
 604                                         <input type=\"hidden\" name=\"method\" value=\"editFeed\">
 605                                         <input type=\"hidden\" name=\"methodparam\" value=\"$feed_id\">
 606                                         <input type=\"submit\" value=\"".__("Edit subscription options")."\">
 607                                         </form>";
 608                         }
 609
 610                         print "<form style='display: inline' method=\"GET\" action=\"$tt_uri\">
 611                                 <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 612                                 </form></p>";
 613
 614                         print "</body></html>";
 615
 616                 } else {
 617                         render_login_form($this->link);
 618                 }
 619         }
 620
 621         function subscribe2() {
 622                 $feed_url = db_escape_string(trim($_REQUEST["feed_url"]));
 623                 $cat_id = db_escape_string($_REQUEST["cat_id"]);
 624                 $from = db_escape_string($_REQUEST["from"]);
 625
 626                 /* only read authentication information from POST */
 627
 628                 $auth_login = db_escape_string(trim($_POST["auth_login"]));
 629                 $auth_pass = db_escape_string(trim($_POST["auth_pass"]));
 630
 631                 $rc = subscribe_to_feed($this->link, $feed_url, $cat_id, $auth_login, $auth_pass);
 632
 633                 switch ($rc) {
 634                 case 1:
 635                         print_notice(T_sprintf("Subscribed to <b>%s</b>.", $feed_url));
 636                         break;
 637                 case 2:
 638                         print_error(T_sprintf("Could not subscribe to <b>%s</b>.", $feed_url));
 639                         break;
 640                 case 3:
 641                         print_error(T_sprintf("No feeds found in <b>%s</b>.", $feed_url));
 642                         break;
 643                 case 0:
 644                         print_warning(T_sprintf("Already subscribed to <b>%s</b>.", $feed_url));
 645                         break;
 646                 case 4:
 647                         print_notice(__("Multiple feed URLs found."));
 648
 649                         $feed_urls = get_feeds_from_html($feed_url);
 650                         break;
 651                 case 5:
 652                         print_error(T_sprintf("Could not subscribe to <b>%s</b>.<br>Can't download the Feed URL.", $feed_url));
 653                         break;
 654                 }
 655
 656                 if ($feed_urls) {
 657                         print "<form action=\"backend.php\">";
 658                         print "<input type=\"hidden\" name=\"op\" value=\"pref-feeds\">";
 659                         print "<input type=\"hidden\" name=\"quiet\" value=\"1\">";
 660                         print "<input type=\"hidden\" name=\"method\" value=\"add\">";
 661
 662                         print "<select name=\"feed_url\">";
 663
 664                         foreach ($feed_urls as $url => $name) {
 665                                 $url = htmlspecialchars($url);
 666                                 $name = htmlspecialchars($name);
 667                                 print "<option value=\"$url\">$name</option>";
 668                         }
 669
 670                         print "<input type=\"submit\" value=\"".__("Subscribe to selected feed")."\">";
 671                         print "</form>";
 672                 }
 673
 674                 $tp_uri = get_self_url_prefix() . "/prefs.php";
 675                 $tt_uri = get_self_url_prefix();
 676
 677                 if ($rc <= 2){
 678                         $result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE
 679                                 feed_url = '$feed_url' AND owner_uid = " . $_SESSION["uid"]);
 680
 681                         $feed_id = db_fetch_result($result, 0, "id");
 682                 } else {
 683                         $feed_id = 0;
 684                 }
 685
 686                 print "<p>";
 687
 688                 if ($feed_id) {
 689                         print "<form method=\"GET\" style='display: inline'
 690                                 action=\"$tp_uri\">
 691                                 <input type=\"hidden\" name=\"tab\" value=\"feedConfig\">
 692                                 <input type=\"hidden\" name=\"method\" value=\"editFeed\">
 693                                 <input type=\"hidden\" name=\"methodparam\" value=\"$feed_id\">
 694                                 <input type=\"submit\" value=\"".__("Edit subscription options")."\">
 695                                 </form>";
 696                 }
 697
 698                 print "<form style='display: inline' method=\"GET\" action=\"$tt_uri\">
 699                         <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
 700                         </form></p>";
 701
 702                 print "</body></html>";
 703         }
 704
 705         function index() {
 706                 header("Content-Type: text/plain");
 707                 print json_encode(array("error" => array("code" => 7)));
 708         }
 709
 710 }
 711 ?>