api/index.php

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