api/index.php

   1 <?php
   2         error_reporting(E_ERROR | E_PARSE);
   3
   4         require_once "../config.php";
   5
   6         require_once "../db.php";
   7         require_once "../db-prefs.php";
   8         require_once "../functions.php";
   9
  10         $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  11
  12         $session_expire = SESSION_EXPIRE_TIME; //seconds
  13         $session_name = (!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid_api" : TTRSS_SESSION_NAME . "_api";
  14
  15         session_name($session_name);
  16
  17         if ($_REQUEST["sid"]) {
  18                 session_id($_REQUEST["sid"]);
  19         }
  20
  21         session_start();
  22
  23         if (!$link) {
  24                 if (DB_TYPE == "mysql") {
  25                         print mysql_error();
  26                 }
  27                 // PG seems to display its own errors just fine by default.
  28                 return;
  29         }
  30
  31         init_connection($link);
  32
  33         $op = db_escape_string($_REQUEST["op"]);
  34
  35 //      header("Content-Type: application/json");
  36
  37         if (!$_SESSION["uid"] && $op != "login" && $op != "isLoggedIn") {
  38                 print json_encode(array("error" => 'NOT_LOGGED_IN'));
  39                 return;
  40         }
  41
  42         if ($_SESSION["uid"] && $op != "logout" && !get_pref($link, 'ENABLE_API_ACCESS')) {
  43                 print json_encode(array("error" => 'API_DISABLED'));
  44                 return;
  45         }
  46
  47         switch ($op) {
  48                 case "getVersion":
  49                         $rv = array("version" => VERSION);
  50                         print json_encode($rv);
  51                 break;
  52                 case "login":
  53                         $login = db_escape_string($_REQUEST["user"]);
  54                         $password = db_escape_string($_REQUEST["password"]);
  55
  56                         $result = db_query($link, "SELECT id FROM ttrss_users WHERE login = '$login'");
  57
  58                         if (db_num_rows($result) != 0) {
  59                                 $uid = db_fetch_result($result, 0, "id");
  60                         } else {
  61                                 $uid = 0;
  62                         }
  63
  64                         if (get_pref($link, "ENABLE_API_ACCESS", $uid)) {
  65                                 if (authenticate_user($link, $login, $password)) {
  66                                         print json_encode(array("session_id" => session_id()));
  67                                 } else {
  68                                         print json_encode(array("error" => "LOGIN_ERROR"));
  69                                 }
  70                         } else {
  71                                 print json_encode(array("error" => "API_DISABLED"));
  72                         }
  73
  74                         break;
  75                 case "logout":
  76                         logout_user();
  77                         print json_encode(array("status" => "OK"));
  78                         break;
  79                 case "isLoggedIn":
  80                         print json_encode(array("status" => $_SESSION["uid"] != ''));
  81                         break;
  82                 case "getUnread":
  83                         $feed_id = db_escape_string($_REQUEST["feed_id"]);
  84                         $is_cat = db_escape_string($_REQUEST["is_cat"]);
  85
  86                         if ($feed_id) {
  87                                 print json_encode(array("unread" => getFeedUnread($link, $feed_id, $is_cat)));
  88                         } else {
  89                                 print json_encode(array("unread" => getGlobalUnread($link)));
  90                         }
  91                         break;
  92                 case "getCounters":
  93
  94                         /* TODO */
  95
  96                         break;
  97                 case "getFeeds":
  98                         $cat_id = db_escape_string($_REQUEST["cat_id"]);
  99                         $unread_only = (bool)db_escape_string($_REQUEST["unread_only"]);
 100                         $limit = (int) db_escape_string($_REQUEST["limit"]);
 101                         $offset = (int) db_escape_string($_REQUEST["offset"]);
 102
 103                         if ($limit) {
 104                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
 105                         } else {
 106                                 $limit_qpart = "";
 107                         }
 108
 109                         if (!$cat_id) {
 110                                 $result = db_query($link, "SELECT
 111                                         id, feed_url, cat_id, title, ".
 112                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 113                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
 114                                                 "ORDER BY cat_id, title " . $limit_qpart);
 115                         } else {
 116                                 $result = db_query($link, "SELECT
 117                                         id, feed_url, cat_id, title, ".
 118                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 119                                                 FROM ttrss_feeds WHERE
 120                                                 cat_id = '$cat_id' AND owner_uid = " . $_SESSION["uid"] .
 121                                                 "ORDER BY cat_id, title " . $limit_qpart);
 122                         }
 123
 124                         $feeds = array();
 125
 126                         while ($line = db_fetch_assoc($result)) {
 127
 128                                 $unread = getFeedUnread($link, $line["id"]);
 129
 130                                 $icon_path = "../" . ICONS_DIR . "/" . $line["id"] . ".ico";
 131                                 $has_icon = file_exists($icon_path) && filesize($icon_path) > 0;
 132
 133                                 if ($unread || !$unread_only) {
 134
 135                                         $row = array(
 136                                                         "feed_url" => $line["feed_url"],
 137                                                         "title" => $line["title"],
 138                                                         "id" => (int)$line["id"],
 139                                                         "unread" => (int)$unread,
 140                                                         "has_icon" => $has_icon,
 141                                                         "cat_id" => (int)$line["cat_id"],
 142                                                         "last_updated" => strtotime($line["last_updated"])
 143                                                 );
 144
 145                                         array_push($feeds, $row);
 146                                 }
 147                         }
 148
 149                         /* Labels */
 150
 151                         if (!$cat_id || $cat_id == -2) {
 152                                 $counters = getLabelCounters($link, false, true);
 153
 154                                 foreach (array_keys($counters) as $id) {
 155
 156                                         $unread = $counters[$id]["counter"];
 157
 158                                         if ($unread || !$unread_only) {
 159
 160                                                 $row = array(
 161                                                                 "id" => $id,
 162                                                                 "title" => $counters[$id]["description"],
 163                                                                 "unread" => $counters[$id]["counter"],
 164                                                                 "cat_id" => -2,
 165                                                         );
 166
 167                                                 array_push($feeds, $row);
 168                                         }
 169                                 }
 170                         }
 171
 172                         /* Virtual feeds */
 173
 174                         if (!$cat_id || $cat_id == -1) {
 175                                 foreach (array(-1, -2, -3, -4, 0) as $i) {
 176                                         $unread = getFeedUnread($link, $i);
 177
 178                                         if ($unread || !$unread_only) {
 179                                                 $title = getFeedTitle($link, $i);
 180
 181                                                 $row = array(
 182                                                                 "id" => $i,
 183                                                                 "title" => $title,
 184                                                                 "unread" => $unread,
 185                                                                 "cat_id" => -1,
 186                                                         );
 187                                                 array_push($feeds, $row);
 188                                         }
 189
 190                                 }
 191                         }
 192
 193                         print json_encode($feeds);
 194
 195                         break;
 196                 case "getCategories":
 197                         $unread_only = (bool)db_escape_string($_REQUEST["unread_only"]);
 198
 199                         $result = db_query($link, "SELECT
 200                                         id, title FROM ttrss_feed_categories
 201                                 WHERE owner_uid = " .
 202                                 $_SESSION["uid"]);
 203
 204                         $cats = array();
 205
 206                         while ($line = db_fetch_assoc($result)) {
 207                                 $unread = getFeedUnread($link, $line["id"], true);
 208
 209                                 if ($unread || !$unread_only) {
 210                                         array_push($cats, array("id" => $line["id"],
 211                                                 "title" => $line["title"],
 212                                                 "unread" => $unread));
 213                                 }
 214                         }
 215
 216                         print json_encode($cats);
 217                         break;
 218                 case "getHeadlines":
 219                         $feed_id = db_escape_string($_REQUEST["feed_id"]);
 220                         $limit = (int)db_escape_string($_REQUEST["limit"]);
 221                         $offset = (int)db_escape_string($_REQUEST["skip"]);
 222                         $filter = db_escape_string($_REQUEST["filter"]);
 223                         $is_cat = (bool)db_escape_string($_REQUEST["is_cat"]);
 224                         $show_excerpt = (bool)db_escape_string($_REQUEST["show_excerpt"]);
 225                         $show_content = (bool)db_escape_string($_REQUEST["show_content"]);
 226
 227                         /* do not rely on params below */
 228
 229                         $search = db_escape_string($_REQUEST["search"]);
 230                         $search_mode = db_escape_string($_REQUEST["search_mode"]);
 231                         $match_on = db_escape_string($_REQUEST["match_on"]);
 232
 233                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
 234                                 $view_mode, $is_cat, $search, $search_mode, $match_on,
 235                                 false, $offset);
 236
 237                         $result = $qfh_ret[0];
 238                         $feed_title = $qfh_ret[1];
 239
 240                         $headlines = array();
 241
 242                         while ($line = db_fetch_assoc($result)) {
 243                                 $is_updated = ($line["last_read"] == "" &&
 244                                         ($line["unread"] != "t" && $line["unread"] != "1"));
 245
 246                                 $headline_row = array(
 247                                                 "id" => (int)$line["id"],
 248                                                 "unread" => sql_bool_to_bool($line["unread"]),
 249                                                 "marked" => sql_bool_to_bool($line["marked"]),
 250                                                 "updated" => strtotime($line["updated"]),
 251                                                 "is_updated" => $is_updated,
 252                                                 "title" => $line["title"],
 253                                                 "feed_id" => $line["feed_id"],
 254                                         );
 255
 256                                 if ($show_excerpt) {
 257                                         $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
 258                                         $headline_row["excerpt"] = $excerpt;
 259                                 }
 260
 261                                 if ($show_content) {
 262                                         $headline_row["content"] = $line["content_preview"];
 263                                 }
 264
 265                                 array_push($headlines, $headline_row);
 266                         }
 267
 268                         print json_encode($headlines);
 269
 270                         break;
 271                 case "updateArticle":
 272                         $article_id = (int) db_escape_string($_REQUEST["article_id"]);
 273                         $mode = (int) db_escape_string($_REQUEST["mode"]);
 274                         $field_raw = (int)db_escape_string($_REQUEST["field"]);
 275
 276                         $field = "";
 277                         $set_to = "";
 278
 279                         switch ($field_raw) {
 280                                 case 0:
 281                                         $field = "marked";
 282                                         break;
 283                                 case 1:
 284                                         $field = "published";
 285                                         break;
 286                                 case 2:
 287                                         $field = "unread";
 288                                         break;
 289                         };
 290
 291                         switch ($mode) {
 292                                 case 1:
 293                                         $set_to = "true";
 294                                         break;
 295                                 case 0:
 296                                         $set_to = "false";
 297                                         break;
 298                                 case 2:
 299                                         $set_to = "NOT $field";
 300                                         break;
 301                         }
 302
 303                         if ($field && $set_to) {
 304                                 if ($field == "unread") {
 305                                         $result = db_query($link, "UPDATE ttrss_user_entries SET $field = $set_to,
 306                                                 last_read = NOW()
 307                                                 WHERE ref_id = '$article_id' AND owner_uid = " . $_SESSION["uid"]);
 308                                 } else {
 309                                         $result = db_query($link, "UPDATE ttrss_user_entries SET $field = $set_to
 310                                                 WHERE ref_id = '$article_id' AND owner_uid = " . $_SESSION["uid"]);
 311                                 }
 312                         }
 313
 314                         break;
 315
 316                 case "getArticle":
 317
 318                         $article_id = (int)db_escape_string($_REQUEST["article_id"]);
 319
 320                         $query = "SELECT title,link,content,feed_id,comments,int_id,
 321                                 marked,unread,published,
 322                                 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
 323                                 author
 324                                 FROM ttrss_entries,ttrss_user_entries
 325                                 WHERE   id = '$article_id' AND ref_id = id AND owner_uid = " .
 326                                         $_SESSION["uid"] ;
 327
 328                         $result = db_query($link, $query);
 329
 330                         $article = array();
 331
 332                         if (db_num_rows($result) != 0) {
 333                                 $line = db_fetch_assoc($result);
 334
 335                                 $article = array(
 336                                         "title" => $line["title"],
 337                                         "link" => $line["link"],
 338                                         "labels" => get_article_labels($link, $article_id),
 339                                         "unread" => sql_bool_to_bool($line["unread"]),
 340                                         "marked" => sql_bool_to_bool($line["marked"]),
 341                                         "published" => sql_bool_to_bool($line["published"]),
 342                                         "comments" => $line["comments"],
 343                                         "author" => $line["author"],
 344                                         "updated" => strtotime($line["updated"]),
 345                                         "content" => $line["content"],
 346                                         "feed_id" => $line["feed_id"],
 347                                 );
 348                         }
 349
 350                         print json_encode($article);
 351
 352                         break;
 353                 case "getConfig":
 354                         $config = array(
 355                                 "icons_dir" => ICONS_DIR,
 356                                 "icons_url" => ICONS_URL);
 357
 358                         if (ENABLE_UPDATE_DAEMON) {
 359                                 $config["daemon_is_running"] = file_is_locked("update_daemon.lock");
 360                         }
 361
 362                         $result = db_query($link, "SELECT COUNT(*) AS cf FROM
 363                                 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
 364
 365                         $num_feeds = db_fetch_result($result, 0, "cf");
 366
 367                         $config["num_feeds"] = (int)$num_feeds;
 368
 369                         print json_encode($config);
 370
 371                         break;
 372
 373                 case "updateFeed":
 374                         $feed_id = db_escape_string($_REQUEST["feed_id"]);
 375
 376                         $result = db_query($link,
 377                                 "SELECT feed_url FROM ttrss_feeds WHERE id = '$feed_id'
 378                                         AND owner_uid = " . $_SESSION["uid"]);
 379
 380                         if (db_num_rows($result) > 0) {
 381                                 $feed_url = db_fetch_result($result, 0, "feed_url");
 382                                 update_rss_feed($link, $feed_url, $feed_id);
 383                         }
 384
 385                         print json_encode(array("status" => "OK"));
 386
 387                         break;
 388
 389                 case "getPref":
 390                         $pref_name = db_escape_string($_REQUEST["pref_name"]);
 391                         print json_encode(array("value" => get_pref($link, $pref_name)));
 392                         break;
 393
 394                 default:
 395                         print json_encode(array("error" => 'UNKNOWN_METHOD'));
 396                         break;
 397
 398         }
 399
 400         db_close($link);
 401
 402 ?>