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