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         define('API_LEVEL', 1);
  11
  12         define('API_STATUS_OK', 0);
  13         define('API_STATUS_ERR', 1);
  14
  15         chdir("..");
  16
  17         if (defined('ENABLE_GZIP_OUTPUT') && ENABLE_GZIP_OUTPUT) {
  18                 ob_start("ob_gzhandler");
  19         }
  20
  21         $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  22
  23         $session_expire = SESSION_EXPIRE_TIME; //seconds
  24         $session_name = (!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid_api" : TTRSS_SESSION_NAME . "_api";
  25
  26         session_name($session_name);
  27
  28         $input = file_get_contents("php://input");
  29
  30         // Override $_REQUEST with JSON-encoded data if available
  31         if ($input) {
  32                 $input = json_decode($input, true);
  33
  34                 if ($input) {
  35                         $_REQUEST = $input;
  36                 }
  37         }
  38
  39         if ($_REQUEST["sid"]) {
  40                 session_id($_REQUEST["sid"]);
  41         }
  42
  43         session_start();
  44
  45         if (!$link) {
  46                 if (DB_TYPE == "mysql") {
  47                         print mysql_error();
  48                 }
  49                 // PG seems to display its own errors just fine by default.
  50                 return;
  51         }
  52
  53         init_connection($link);
  54
  55         $op = db_escape_string($_REQUEST["op"]);
  56         $seq = (int) $_REQUEST["seq"];
  57
  58         header("Content-Type: text/plain");
  59
  60         function api_wrap_reply($status, $seq, $reply) {
  61                 print json_encode(array("seq" => $seq,
  62                         "status" => $status,
  63                         "content" => $reply));
  64         }
  65
  66         if (!$_SESSION["uid"] && $op != "login" && $op != "isLoggedIn") {
  67                 print api_wrap_reply(API_STATUS_ERR, $seq, array("error" => 'NOT_LOGGED_IN'));
  68                 return;
  69         }
  70
  71         if ($_SESSION["uid"] && $op != "logout" && !get_pref($link, 'ENABLE_API_ACCESS')) {
  72                 print api_wrap_reply(API_STATUS_ERR, $seq, array("error" => 'API_DISABLED'));
  73                 return;
  74         }
  75
  76         switch ($op) {
  77
  78                 case "getVersion":
  79                         $rv = array("version" => VERSION);
  80                         print api_wrap_reply(API_STATUS_OK, $seq, $rv);
  81                         break;
  82
  83                 case "getApiLevel":
  84                         $rv = array("level" => API_LEVEL);
  85                         print api_wrap_reply(API_STATUS_OK, $seq, $rv);
  86                         break;
  87
  88                 case "login":
  89                         $login = db_escape_string($_REQUEST["user"]);
  90                         $password = $_REQUEST["password"];
  91                         $password_base64 = base64_decode($_REQUEST["password"]);
  92
  93                         if (SINGLE_USER_MODE) $login = "admin";
  94
  95                         $result = db_query($link, "SELECT id FROM ttrss_users WHERE login = '$login'");
  96
  97                         if (db_num_rows($result) != 0) {
  98                                 $uid = db_fetch_result($result, 0, "id");
  99                         } else {
 100                                 $uid = 0;
 101                         }
 102
 103                         if (!$uid) {
 104                                 print api_wrap_reply(API_STATUS_ERR, $seq,
 105                                         array("error" => "LOGIN_ERROR"));
 106                                 return;
 107                         }
 108
 109                         if (get_pref($link, "ENABLE_API_ACCESS", $uid)) {
 110                                 if (authenticate_user($link, $login, $password)) {               // try login with normal password
 111                                         print api_wrap_reply(API_STATUS_OK, $seq,
 112                                                 array("session_id" => session_id()));
 113                                 } else if (authenticate_user($link, $login, $password_base64)) { // else try with base64_decoded password
 114                                         print api_wrap_reply(API_STATUS_OK, $seq,
 115                                                 array("session_id" => session_id()));
 116                                 } else {                                                         // else we are not logged in
 117                                         print api_wrap_reply(API_STATUS_ERR, $seq,
 118                                                 array("error" => "LOGIN_ERROR"));
 119                                 }
 120                         } else {
 121                                 print api_wrap_reply(API_STATUS_ERR, $seq,
 122                                         array("error" => "API_DISABLED"));
 123                         }
 124
 125                         break;
 126
 127                 case "logout":
 128                         logout_user();
 129                         print api_wrap_reply(API_STATUS_OK, $seq, array("status" => "OK"));
 130                         break;
 131
 132                 case "isLoggedIn":
 133                         print api_wrap_reply(API_STATUS_OK, $seq,
 134                                 array("status" => $_SESSION["uid"] != ''));
 135                         break;
 136
 137                 case "getUnread":
 138                         $feed_id = db_escape_string($_REQUEST["feed_id"]);
 139                         $is_cat = db_escape_string($_REQUEST["is_cat"]);
 140
 141                         if ($feed_id) {
 142                                 print api_wrap_reply(API_STATUS_OK, $seq,
 143                                         array("unread" => getFeedUnread($link, $feed_id, $is_cat)));
 144                         } else {
 145                                 print api_wrap_reply(API_STATUS_OK, $seq,
 146                                         array("unread" => getGlobalUnread($link)));
 147                         }
 148                         break;
 149
 150                 /* Method added for ttrss-reader for Android */
 151                 case "getCounters":
 152
 153                         /* flct (flc is the default) FIXME: document */
 154                         $output_mode = db_escape_string($_REQUEST["output_mode"]);
 155
 156                         print api_wrap_reply(API_STATUS_OK, $seq,
 157                                 getAllCounters($link, $output_mode));
 158                         break;
 159
 160                 case "getFeeds":
 161                         $cat_id = db_escape_string($_REQUEST["cat_id"]);
 162                         $unread_only = (bool)db_escape_string($_REQUEST["unread_only"]);
 163                         $limit = (int) db_escape_string($_REQUEST["limit"]);
 164                         $offset = (int) db_escape_string($_REQUEST["offset"]);
 165
 166                         $feeds = api_get_feeds($link, $cat_id, $unread_only, $limit, $offset);
 167
 168                         print api_wrap_reply(API_STATUS_OK, $seq, $feeds);
 169
 170                         break;
 171
 172                 case "getCategories":
 173                         $unread_only = (bool)db_escape_string($_REQUEST["unread_only"]);
 174
 175                         // TODO do not return empty categories, return Uncategorized and standard virtual cats
 176
 177                         $result = db_query($link, "SELECT
 178                                         id, title FROM ttrss_feed_categories
 179                                 WHERE owner_uid = " .
 180                                 $_SESSION["uid"]);
 181
 182                         $cats = array();
 183
 184                         while ($line = db_fetch_assoc($result)) {
 185                                 $unread = getFeedUnread($link, $line["id"], true);
 186
 187                                 if ($unread || !$unread_only) {
 188                                         array_push($cats, array("id" => $line["id"],
 189                                                 "title" => $line["title"],
 190                                                 "unread" => $unread));
 191                                 }
 192                         }
 193
 194                         foreach (array(-2,-1,0) as $cat_id) {
 195                                 $unread = getFeedUnread($link, $cat_id, true);
 196
 197                                 if ($unread || !$unread_only) {
 198                                         array_push($cats, array("id" => $cat_id,
 199                                                 "title" => getCategoryTitle($link, $cat_id),
 200                                                 "unread" => $unread));
 201                                 }
 202                         }
 203
 204                         print api_wrap_reply(API_STATUS_OK, $seq, $cats);
 205                         break;
 206
 207                 case "getHeadlines":
 208                         $feed_id = db_escape_string($_REQUEST["feed_id"]);
 209                         $limit = (int)db_escape_string($_REQUEST["limit"]);
 210                         $offset = (int)db_escape_string($_REQUEST["skip"]);
 211                         $filter = db_escape_string($_REQUEST["filter"]);
 212                         $is_cat = (bool)db_escape_string($_REQUEST["is_cat"]);
 213                         $show_excerpt = (bool)db_escape_string($_REQUEST["show_excerpt"]);
 214                         $show_content = (bool)db_escape_string($_REQUEST["show_content"]);
 215                         /* all_articles, unread, adaptive, marked, updated */
 216                         $view_mode = db_escape_string($_REQUEST["view_mode"]);
 217                         $include_attachments = (bool)db_escape_string($_REQUEST["include_attachments"]);
 218                         $since_id = (int)db_escape_string($_REQUEST["since_id"]);
 219
 220                         $headlines = api_get_headlines($link, $feed_id, $limit, $offset,
 221                                 $filter, $is_cat, $show_excerpt, $show_content, $view_mode, false,
 222                                 $include_attachments, $since_id);
 223
 224                         print api_wrap_reply(API_STATUS_OK, $seq, $headlines);
 225
 226                         break;
 227
 228                 case "updateArticle":
 229                         $article_ids = array_filter(explode(",", db_escape_string($_REQUEST["article_ids"])), is_numeric);
 230                         $mode = (int) db_escape_string($_REQUEST["mode"]);
 231                         $data = db_escape_string($_REQUEST["data"]);
 232                         $field_raw = (int)db_escape_string($_REQUEST["field"]);
 233
 234                         $field = "";
 235                         $set_to = "";
 236
 237                         switch ($field_raw) {
 238                                 case 0:
 239                                         $field = "marked";
 240                                         break;
 241                                 case 1:
 242                                         $field = "published";
 243                                         break;
 244                                 case 2:
 245                                         $field = "unread";
 246                                         break;
 247                                 case 3:
 248                                         $field = "note";
 249                         };
 250
 251                         switch ($mode) {
 252                                 case 1:
 253                                         $set_to = "true";
 254                                         break;
 255                                 case 0:
 256                                         $set_to = "false";
 257                                         break;
 258                                 case 2:
 259                                         $set_to = "NOT $field";
 260                                         break;
 261                         }
 262
 263                         if ($field == "note") $set_to = "'$data'";
 264
 265                         if ($field && $set_to && count($article_ids) > 0) {
 266
 267                                 $article_ids = join(", ", $article_ids);
 268
 269                                 if ($field == "unread") {
 270                                         $result = db_query($link, "UPDATE ttrss_user_entries SET $field = $set_to,
 271                                                 last_read = NOW()
 272                                                 WHERE ref_id IN ($article_ids) AND owner_uid = " . $_SESSION["uid"]);
 273                                 } else {
 274                                         $result = db_query($link, "UPDATE ttrss_user_entries SET $field = $set_to
 275                                                 WHERE ref_id IN ($article_ids) AND owner_uid = " . $_SESSION["uid"]);
 276                                 }
 277
 278                                 $num_updated = db_affected_rows($link, $result);
 279
 280                                 if ($num_updated > 0 && $field == "unread") {
 281                                         $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
 282                                                 WHERE ref_id IN ($article_ids)");
 283
 284                                         while ($line = db_fetch_assoc($result)) {
 285                                                 ccache_update($link, $line["feed_id"], $_SESSION["uid"]);
 286                                         }
 287                                 }
 288
 289                                 print api_wrap_reply(API_STATUS_OK, $seq, array("status" => "OK",
 290                                         "updated" => $num_updated));
 291
 292                         } else {
 293                                 print api_wrap_reply(API_STATUS_ERR, $seq,
 294                                         array("error" => 'INCORRECT_USAGE'));
 295                         }
 296
 297                         break;
 298
 299                 case "getArticle":
 300
 301                         $article_id = join(",", array_filter(explode(",", db_escape_string($_REQUEST["article_id"])), is_numeric));
 302
 303                         $query = "SELECT id,title,link,content,feed_id,comments,int_id,
 304                                 marked,unread,published,
 305                                 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
 306                                 author
 307                                 FROM ttrss_entries,ttrss_user_entries
 308                                 WHERE   id IN ($article_id) AND ref_id = id AND owner_uid = " .
 309                                         $_SESSION["uid"] ;
 310
 311                         $result = db_query($link, $query);
 312
 313                         $articles = array();
 314
 315                         if (db_num_rows($result) != 0) {
 316
 317                                 while ($line = db_fetch_assoc($result)) {
 318
 319                                         $attachments = get_article_enclosures($link, $line['id']);
 320
 321                                         $article = array(
 322                                                 "id" => $line["id"],
 323                                                 "title" => $line["title"],
 324                                                 "link" => $line["link"],
 325                                                 "labels" => get_article_labels($link, $line['id']),
 326                                                 "unread" => sql_bool_to_bool($line["unread"]),
 327                                                 "marked" => sql_bool_to_bool($line["marked"]),
 328                                                 "published" => sql_bool_to_bool($line["published"]),
 329                                                 "comments" => $line["comments"],
 330                                                 "author" => $line["author"],
 331                                                 "updated" => strtotime($line["updated"]),
 332                                                 "content" => $line["content"],
 333                                                 "feed_id" => $line["feed_id"],
 334                                                 "attachments" => $attachments
 335                                         );
 336
 337                                         array_push($articles, $article);
 338
 339                                 }
 340                         }
 341
 342                         print api_wrap_reply(API_STATUS_OK, $seq, $articles);
 343
 344                         break;
 345
 346                 case "getConfig":
 347                         $config = array(
 348                                 "icons_dir" => ICONS_DIR,
 349                                 "icons_url" => ICONS_URL);
 350
 351                         $config["daemon_is_running"] = file_is_locked("update_daemon.lock");
 352
 353                         $result = db_query($link, "SELECT COUNT(*) AS cf FROM
 354                                 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
 355
 356                         $num_feeds = db_fetch_result($result, 0, "cf");
 357
 358                         $config["num_feeds"] = (int)$num_feeds;
 359
 360                         print api_wrap_reply(API_STATUS_OK, $seq, $config);
 361
 362                         break;
 363
 364                 case "updateFeed":
 365                         $feed_id = db_escape_string($_REQUEST["feed_id"]);
 366
 367                         update_rss_feed($link, $feed_id, true);
 368
 369                         print api_wrap_reply(API_STATUS_OK, $seq, array("status" => "OK"));
 370
 371                         break;
 372
 373                 case "catchupFeed":
 374                         $feed_id = db_escape_string($_REQUEST["feed_id"]);
 375                         $is_cat = db_escape_string($_REQUEST["is_cat"]);
 376
 377                         catchup_feed($link, $feed_id, $is_cat);
 378
 379                         print api_wrap_reply(API_STATUS_OK, $seq, array("status" => "OK"));
 380
 381                         break;
 382
 383                 case "getPref":
 384                         $pref_name = db_escape_string($_REQUEST["pref_name"]);
 385
 386                         print api_wrap_reply(API_STATUS_OK, $seq,
 387                                 array("value" => get_pref($link, $pref_name)));
 388                         break;
 389
 390                 default:
 391                         print api_wrap_reply(API_STATUS_ERR, $seq,
 392                                 array("error" => 'UNKNOWN_METHOD'));
 393                         break;
 394
 395         }
 396
 397         db_close($link);
 398
 399 ?>