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                         if (authenticate_user($link, $login, $password)) {
  62                                 print json_encode(array("uid" => $_SESSION["uid"]));
  63                         } else {
  64                                 print json_encode(array("error" => "LOGIN_ERROR"));
  65                         }
  66
  67                         break;
  68                 case "logout":
  69                         logout_user();
  70                         print json_encode(array("uid" => 0));
  71                         break;
  72                 case "isLoggedIn":
  73                         print json_encode(array("status" => $_SESSION["uid"] != ''));
  74                         break;
  75                 case "getUnread":
  76                         $feed_id = db_escape_string($_REQUEST["feed_id"]);
  77                         $is_cat = db_escape_string($_REQUEST["is_cat"]);
  78
  79                         if ($feed_id) {
  80                                 print json_encode(array("unread" => getFeedUnread($link, $feed_id, $is_cat)));
  81                         } else {
  82                                 print json_encode(array("unread" => getGlobalUnread($link)));
  83                         }
  84                         break;
  85                 case "getFeeds":
  86                         $cat_id = db_escape_string($_REQUEST["cat_id"]);
  87                         $unread_only = (bool)db_escape_string($_REQUEST["unread_only"]);
  88
  89                         if (!$cat_id) {
  90                                 $result = db_query($link, "SELECT
  91                                         id, feed_url, cat_id, title, ".
  92                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
  93                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
  94                         } else {
  95                                 $result = db_query($link, "SELECT
  96                                         id, feed_url, cat_id, title, ".
  97                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
  98                                                 FROM ttrss_feeds WHERE
  99                                                         cat_id = '$cat_id' AND owner_uid = " . $_SESSION["uid"]);
 100                         }
 101
 102                         $feeds = array();
 103
 104                         while ($line = db_fetch_assoc($result)) {
 105
 106                                 $unread = getFeedUnread($link, $line["id"]);
 107
 108                                 if ($unread || !$unread_only) {
 109
 110                                         $row = array(
 111                                                         "feed_url" => $line["feed_url"],
 112                                                         "title" => $line["title"],
 113                                                         "id" => (int)$line["id"],
 114                                                         "unread" => (int)$unread,
 115                                                         "cat_id" => (int)$line["cat_id"],
 116                                                         "last_updated" => strtotime($line["last_updated"])
 117                                                 );
 118
 119                                         array_push($feeds, $row);
 120                                 }
 121                         }
 122
 123                         /* Labels */
 124
 125                         if (!$cat_id || $cat_id == -2) {
 126                                 $counters = getLabelCounters($link, false, true);
 127
 128                                 foreach (array_keys($counters) as $id) {
 129
 130                                         $unread = $counters[$id]["counter"];
 131
 132                                         if ($unread || !$unread_only) {
 133
 134                                                 $row = array(
 135                                                                 "id" => $id,
 136                                                                 "title" => $counters[$id]["description"],
 137                                                                 "unread" => $counters[$id]["counter"],
 138                                                                 "cat_id" => -2,
 139                                                         );
 140
 141                                                 array_push($feeds, $row);
 142                                         }
 143                                 }
 144                         }
 145
 146                         /* Virtual feeds */
 147
 148                         if (!$cat_id || $cat_id == -1) {
 149                                 foreach (array(-1, -2, -3, -4) as $i) {
 150                                         $unread = getFeedUnread($link, $i);
 151
 152                                         if ($unread || !$unread_only) {
 153                                                 $title = getFeedTitle($link, $i);
 154
 155                                                 $row = array(
 156                                                                 "id" => $i,
 157                                                                 "title" => $title,
 158                                                                 "unread" => $unread,
 159                                                                 "cat_id" => -1,
 160                                                         );
 161                                                 array_push($feeds, $row);
 162                                         }
 163
 164                                 }
 165                         }
 166
 167                         print json_encode($feeds);
 168
 169                         break;
 170                 case "getCategories":
 171                         $unread_only = (bool)db_escape_string($_REQUEST["unread_only"]);
 172
 173                         $result = db_query($link, "SELECT
 174                                         id, title FROM ttrss_feed_categories
 175                                 WHERE owner_uid = " .
 176                                 $_SESSION["uid"]);
 177
 178                         $cats = array();
 179
 180                         while ($line = db_fetch_assoc($result)) {
 181                                 $unread = getFeedUnread($link, $line["id"], true);
 182
 183                                 if ($unread || !$unread_only) {
 184                                         array_push($cats, array("id" => $line["id"],
 185                                                 "title" => $line["title"],
 186                                                 "unread" => $unread));
 187                                 }
 188                         }
 189
 190                         print json_encode($cats);
 191                         break;
 192                 case "getHeadlines":
 193                         $feed_id = db_escape_string($_REQUEST["feed_id"]);
 194                         $limit = (int)db_escape_string($_REQUEST["limit"]);
 195                         $filter = db_escape_string($_REQUEST["filter"]);
 196                         $is_cat = (bool)db_escape_string($_REQUEST["is_cat"]);
 197                         $show_except = (bool)db_escape_string($_REQUEST["show_excerpt"]);
 198
 199                         /* do not rely on params below */
 200
 201                         $search = db_escape_string($_REQUEST["search"]);
 202                         $search_mode = db_escape_string($_REQUEST["search_mode"]);
 203                         $match_on = db_escape_string($_REQUEST["match_on"]);
 204
 205                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
 206                                 $view_mode, $is_cat, $search, $search_mode, $match_on);
 207
 208                         $result = $qfh_ret[0];
 209                         $feed_title = $qfh_ret[1];
 210
 211                         $headlines = array();
 212
 213                         while ($line = db_fetch_assoc($result)) {
 214                                 $is_updated = ($line["last_read"] == "" &&
 215                                         ($line["unread"] != "t" && $line["unread"] != "1"));
 216
 217                                 $headline_row = array(
 218                                                 "id" => (int)$line["id"],
 219                                                 "unread" => sql_bool_to_bool($line["unread"]),
 220                                                 "marked" => sql_bool_to_bool($line["marked"]),
 221                                                 "updated" => strtotime($line["updated"]),
 222                                                 "is_updated" => $is_updated,
 223                                                 "title" => $line["title"],
 224                                                 "feed_id" => $line["feed_id"],
 225                                         );
 226
 227                                 if ($show_except) $headline_row["excerpt"] = $line["content_preview"];
 228
 229                                 array_push($headlines, $headline_row);
 230                         }
 231
 232                         print json_encode($headlines);
 233
 234                         break;
 235                 case "updateArticle":
 236                         $article_id = (int) db_escape_string($_GET["article_id"]);
 237                         $mode = (int) db_escape_string($_REQUEST["mode"]);
 238                         $field_raw = (int)db_escape_string($_REQUEST["field"]);
 239
 240                         $field = "";
 241                         $set_to = "";
 242
 243                         switch ($field_raw) {
 244                                 case 0:
 245                                         $field = "marked";
 246                                         break;
 247                                 case 1:
 248                                         $field = "published";
 249                                         break;
 250                                 case 2:
 251                                         $field = "unread";
 252                                         break;
 253                         };
 254
 255                         switch ($mode) {
 256                                 case 1:
 257                                         $set_to = "true";
 258                                         break;
 259                                 case 0:
 260                                         $set_to = "false";
 261                                         break;
 262                                 case 2:
 263                                         $set_to = "NOT $field";
 264                                         break;
 265                         }
 266
 267                         if ($field && $set_to) {
 268                                 if ($field == "unread") {
 269                                         $result = db_query($link, "UPDATE ttrss_user_entries SET $field = $set_to,
 270                                                 last_read = NOW()
 271                                                 WHERE ref_id = '$article_id' AND owner_uid = " . $_SESSION["uid"]);
 272                                 } else {
 273                                         $result = db_query($link, "UPDATE ttrss_user_entries SET $field = $set_to
 274                                                 WHERE ref_id = '$article_id' AND owner_uid = " . $_SESSION["uid"]);
 275                                 }
 276                         }
 277
 278                         break;
 279
 280                 case "getArticle":
 281
 282                         $article_id = (int)db_escape_string($_REQUEST["article_id"]);
 283
 284                         $query = "SELECT title,link,content,feed_id,comments,int_id,
 285                                 marked,unread,published,
 286                                 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
 287                                 author
 288                                 FROM ttrss_entries,ttrss_user_entries
 289                                 WHERE   id = '$article_id' AND ref_id = id AND owner_uid = " .
 290                                         $_SESSION["uid"] ;
 291
 292                         $result = db_query($link, $query);
 293
 294                         $article = array();
 295
 296                         if (db_num_rows($result) != 0) {
 297                                 $line = db_fetch_assoc($result);
 298
 299                                 $article = array(
 300                                         "title" => $line["title"],
 301                                         "link" => $line["link"],
 302                                         "labels" => get_article_labels($link, $article_id),
 303                                         "unread" => sql_bool_to_bool($line["unread"]),
 304                                         "marked" => sql_bool_to_bool($line["marked"]),
 305                                         "published" => sql_bool_to_bool($line["published"]),
 306                                         "comments" => $line["comments"],
 307                                         "author" => $line["author"],
 308                                         "updated" => strtotime($line["updated"]),
 309                                         "content" => $line["content"],
 310                                         "feed_id" => $line["feed_id"],
 311                                 );
 312                         }
 313
 314                         print json_encode($article);
 315
 316                         break;
 317         }
 318
 319         db_close($link);
 320
 321 ?>