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         $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  17
  18         $session_expire = SESSION_EXPIRE_TIME; //seconds
  19         $session_name = (!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid_api" : TTRSS_SESSION_NAME . "_api";
  20
  21         session_start();
  22
  23         if (!$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("uid" => $_SESSION["uid"]));
  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("uid" => 0));
  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 "getFeeds":
  93                         $cat_id = db_escape_string($_REQUEST["cat_id"]);
  94                         $unread_only = (bool)db_escape_string($_REQUEST["unread_only"]);
  95
  96                         if (!$cat_id) {
  97                                 $result = db_query($link, "SELECT
  98                                         id, feed_url, cat_id, title, ".
  99                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
 100                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
 101                         } else {
 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
 106                                                         cat_id = '$cat_id' AND owner_uid = " . $_SESSION["uid"]);
 107                         }
 108
 109                         $feeds = array();
 110
 111                         while ($line = db_fetch_assoc($result)) {
 112
 113                                 $unread = getFeedUnread($link, $line["id"]);
 114
 115                                 if ($unread || !$unread_only) {
 116
 117                                         $row = array(
 118                                                         "feed_url" => $line["feed_url"],
 119                                                         "title" => $line["title"],
 120                                                         "id" => (int)$line["id"],
 121                                                         "unread" => (int)$unread,
 122                                                         "cat_id" => (int)$line["cat_id"],
 123                                                         "last_updated" => strtotime($line["last_updated"])
 124                                                 );
 125
 126                                         array_push($feeds, $row);
 127                                 }
 128                         }
 129
 130                         /* Labels */
 131
 132                         if (!$cat_id || $cat_id == -2) {
 133                                 $counters = getLabelCounters($link, false, true);
 134
 135                                 foreach (array_keys($counters) as $id) {
 136
 137                                         $unread = $counters[$id]["counter"];
 138
 139                                         if ($unread || !$unread_only) {
 140
 141                                                 $row = array(
 142                                                                 "id" => $id,
 143                                                                 "title" => $counters[$id]["description"],
 144                                                                 "unread" => $counters[$id]["counter"],
 145                                                                 "cat_id" => -2,
 146                                                         );
 147
 148                                                 array_push($feeds, $row);
 149                                         }
 150                                 }
 151                         }
 152
 153                         /* Virtual feeds */
 154
 155                         if (!$cat_id || $cat_id == -1) {
 156                                 foreach (array(-1, -2, -3, -4) as $i) {
 157                                         $unread = getFeedUnread($link, $i);
 158
 159                                         if ($unread || !$unread_only) {
 160                                                 $title = getFeedTitle($link, $i);
 161
 162                                                 $row = array(
 163                                                                 "id" => $i,
 164                                                                 "title" => $title,
 165                                                                 "unread" => $unread,
 166                                                                 "cat_id" => -1,
 167                                                         );
 168                                                 array_push($feeds, $row);
 169                                         }
 170
 171                                 }
 172                         }
 173
 174                         print json_encode($feeds);
 175
 176                         break;
 177                 case "getCategories":
 178                         $unread_only = (bool)db_escape_string($_REQUEST["unread_only"]);
 179
 180                         $result = db_query($link, "SELECT
 181                                         id, title FROM ttrss_feed_categories
 182                                 WHERE owner_uid = " .
 183                                 $_SESSION["uid"]);
 184
 185                         $cats = array();
 186
 187                         while ($line = db_fetch_assoc($result)) {
 188                                 $unread = getFeedUnread($link, $line["id"], true);
 189
 190                                 if ($unread || !$unread_only) {
 191                                         array_push($cats, array("id" => $line["id"],
 192                                                 "title" => $line["title"],
 193                                                 "unread" => $unread));
 194                                 }
 195                         }
 196
 197                         print json_encode($cats);
 198                         break;
 199                 case "getHeadlines":
 200                         $feed_id = db_escape_string($_REQUEST["feed_id"]);
 201                         $limit = (int)db_escape_string($_REQUEST["limit"]);
 202                         $filter = db_escape_string($_REQUEST["filter"]);
 203                         $is_cat = (bool)db_escape_string($_REQUEST["is_cat"]);
 204                         $show_except = (bool)db_escape_string($_REQUEST["show_excerpt"]);
 205
 206                         /* do not rely on params below */
 207
 208                         $search = db_escape_string($_REQUEST["search"]);
 209                         $search_mode = db_escape_string($_REQUEST["search_mode"]);
 210                         $match_on = db_escape_string($_REQUEST["match_on"]);
 211
 212                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
 213                                 $view_mode, $is_cat, $search, $search_mode, $match_on);
 214
 215                         $result = $qfh_ret[0];
 216                         $feed_title = $qfh_ret[1];
 217
 218                         $headlines = array();
 219
 220                         while ($line = db_fetch_assoc($result)) {
 221                                 $is_updated = ($line["last_read"] == "" &&
 222                                         ($line["unread"] != "t" && $line["unread"] != "1"));
 223
 224                                 $headline_row = array(
 225                                                 "id" => (int)$line["id"],
 226                                                 "unread" => sql_bool_to_bool($line["unread"]),
 227                                                 "marked" => sql_bool_to_bool($line["marked"]),
 228                                                 "updated" => strtotime($line["updated"]),
 229                                                 "is_updated" => $is_updated,
 230                                                 "title" => $line["title"],
 231                                                 "feed_id" => $line["feed_id"],
 232                                         );
 233
 234                                 if ($show_except) $headline_row["excerpt"] = $line["content_preview"];
 235
 236                                 array_push($headlines, $headline_row);
 237                         }
 238
 239                         print json_encode($headlines);
 240
 241                         break;
 242                 case "updateArticle":
 243                         $article_id = (int) db_escape_string($_GET["article_id"]);
 244                         $mode = (int) db_escape_string($_REQUEST["mode"]);
 245                         $field_raw = (int)db_escape_string($_REQUEST["field"]);
 246
 247                         $field = "";
 248                         $set_to = "";
 249
 250                         switch ($field_raw) {
 251                                 case 0:
 252                                         $field = "marked";
 253                                         break;
 254                                 case 1:
 255                                         $field = "published";
 256                                         break;
 257                                 case 2:
 258                                         $field = "unread";
 259                                         break;
 260                         };
 261
 262                         switch ($mode) {
 263                                 case 1:
 264                                         $set_to = "true";
 265                                         break;
 266                                 case 0:
 267                                         $set_to = "false";
 268                                         break;
 269                                 case 2:
 270                                         $set_to = "NOT $field";
 271                                         break;
 272                         }
 273
 274                         if ($field && $set_to) {
 275                                 if ($field == "unread") {
 276                                         $result = db_query($link, "UPDATE ttrss_user_entries SET $field = $set_to,
 277                                                 last_read = NOW()
 278                                                 WHERE ref_id = '$article_id' AND owner_uid = " . $_SESSION["uid"]);
 279                                 } else {
 280                                         $result = db_query($link, "UPDATE ttrss_user_entries SET $field = $set_to
 281                                                 WHERE ref_id = '$article_id' AND owner_uid = " . $_SESSION["uid"]);
 282                                 }
 283                         }
 284
 285                         break;
 286
 287                 case "getArticle":
 288
 289                         $article_id = (int)db_escape_string($_REQUEST["article_id"]);
 290
 291                         $query = "SELECT title,link,content,feed_id,comments,int_id,
 292                                 marked,unread,published,
 293                                 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
 294                                 author
 295                                 FROM ttrss_entries,ttrss_user_entries
 296                                 WHERE   id = '$article_id' AND ref_id = id AND owner_uid = " .
 297                                         $_SESSION["uid"] ;
 298
 299                         $result = db_query($link, $query);
 300
 301                         $article = array();
 302
 303                         if (db_num_rows($result) != 0) {
 304                                 $line = db_fetch_assoc($result);
 305
 306                                 $article = array(
 307                                         "title" => $line["title"],
 308                                         "link" => $line["link"],
 309                                         "labels" => get_article_labels($link, $article_id),
 310                                         "unread" => sql_bool_to_bool($line["unread"]),
 311                                         "marked" => sql_bool_to_bool($line["marked"]),
 312                                         "published" => sql_bool_to_bool($line["published"]),
 313                                         "comments" => $line["comments"],
 314                                         "author" => $line["author"],
 315                                         "updated" => strtotime($line["updated"]),
 316                                         "content" => $line["content"],
 317                                         "feed_id" => $line["feed_id"],
 318                                 );
 319                         }
 320
 321                         print json_encode($article);
 322
 323                         break;
 324                 case "getConfig":
 325                         $config = array(
 326                                 "icons_dir" => ICONS_DIR,
 327                                 "icons_url" => ICONS_URL);
 328
 329                         if (ENABLE_UPDATE_DAEMON) {
 330                                 $config["daemon_is_running"] = file_is_locked("update_daemon.lock");
 331                         }
 332
 333                         $result = db_query($link, "SELECT COUNT(*) AS cf FROM
 334                                 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
 335
 336                         $num_feeds = db_fetch_result($result, 0, "cf");
 337
 338                         $config["num_feeds"] = (int)$num_feeds;
 339
 340                         print json_encode($config);
 341
 342                         break;
 343
 344                 case "getPref":
 345                         $pref_name = db_escape_string($_REQUEST["pref_name"]);
 346                         print json_encode(array("value" => get_pref($link, $pref_name)));
 347                         break;
 348         }
 349
 350         db_close($link);
 351
 352 ?>