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" && $op != "isLoggedIn") {
  43                 print json_encode(array("error" => 'NOT_LOGGED_IN'));
  44                 return;
  45         }
  46
  47 /*      TODO: add pref key to disable/enable API
  48         if ($_SESSION["uid"] && !get_pref($link, 'API_ENABLED')) {
  49                 print json_encode(array("error" => 'API_DISABLED'));
  50                 return;
  51         } */
  52
  53         switch ($op) {
  54                 case "getVersion":
  55                         $rv = array("version" => VERSION);
  56                         print json_encode($rv);
  57                 break;
  58                 case "login":
  59                         $login = db_escape_string($_REQUEST["user"]);
  60                         $password = db_escape_string($_REQUEST["password"]);
  61
  62                         if (authenticate_user($link, $login, $password)) {
  63                                 print json_encode(array("uid" => $_SESSION["uid"]));
  64                         } else {
  65                                 print json_encode(array("uid" => 0));
  66                         }
  67
  68                         break;
  69                 case "logout":
  70                         logout_user();
  71                         print json_encode(array("uid" => 0));
  72                         break;
  73                 case "isLoggedIn":
  74                         print json_encode(array("status" => $_SESSION["uid"] != ''));
  75                         break;
  76                 case "getUnread":
  77                         $feed_id = db_escape_string($_REQUEST["feed_id"]);
  78                         $is_cat = db_escape_string($_REQUEST["is_cat"]);
  79
  80                         if ($feed_id) {
  81                                 print json_encode(array("unread" => getFeedUnread($link, $feed_id, $is_cat)));
  82                         } else {
  83                                 print json_encode(array("unread" => getGlobalUnread($link)));
  84                         }
  85                         break;
  86                 case "getFeeds":
  87                         $cat_id = db_escape_string($_REQUEST["cat_id"]);
  88                         $unread_only = (bool)db_escape_string($_REQUEST["unread_only"]);
  89
  90                         if (!$cat_id) {
  91                                 $result = db_query($link, "SELECT
  92                                         id, feed_url, cat_id, title, ".
  93                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
  94                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
  95                         } else {
  96                                 $result = db_query($link, "SELECT
  97                                         id, feed_url, cat_id, title, ".
  98                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
  99                                                 FROM ttrss_feeds WHERE
 100                                                         cat_id = '$cat_id' AND owner_uid = " . $_SESSION["uid"]);
 101                         }
 102
 103                         $feeds = array();
 104
 105                         while ($line = db_fetch_assoc($result)) {
 106
 107                                 $unread = getFeedUnread($link, $line["id"]);
 108
 109                                 if ($unread || !$unread_only) {
 110
 111                                         $line_struct = array(
 112                                                         "feed_url" => $line["feed_url"],
 113                                                         "title" => $line["title"],
 114                                                         "id" => (int)$line["id"],
 115                                                         "unread" => (int)$unread,
 116                                                         "cat_id" => (int)$line["cat_id"],
 117                                                         "last_updated" => strtotime($line["last_updated"])
 118                                                 );
 119
 120                                         array_push($feeds, $line_struct);
 121                                 }
 122                         }
 123
 124                         print json_encode($feeds);
 125
 126                         break;
 127                 case "getCategories":
 128                         $unread_only = (bool)db_escape_string($_REQUEST["unread_only"]);
 129
 130                         $result = db_query($link, "SELECT
 131                                         id, title FROM ttrss_feed_categories
 132                                 WHERE owner_uid = " .
 133                                 $_SESSION["uid"]);
 134
 135                         $cats = array();
 136
 137                         while ($line = db_fetch_assoc($result)) {
 138                                 $unread = getFeedUnread($link, $line["id"], true);
 139
 140                                 if ($unread || !$unread_only) {
 141                                         array_push($cats, array($line["id"] =>
 142                                                 array("title" => $line["title"], "unread" => $unread)));
 143                                 }
 144                         }
 145
 146                         print json_encode($cats);
 147                         break;
 148                 case "getHeadlines":
 149                         $feed_id = db_escape_string($_REQUEST["feed_id"]);
 150                         $limit = (int)db_escape_string($_REQUEST["limit"]);
 151                         $filter = db_escape_string($_REQUEST["filter"]);
 152                         $is_cat = (bool)db_escape_string($_REQUEST["is_cat"]);
 153                         $show_except = (bool)db_escape_string($_REQUEST["show_excerpt"]);
 154
 155                         /* do not rely on params below */
 156
 157                         $search = db_escape_string($_REQUEST["search"]);
 158                         $search_mode = db_escape_string($_REQUEST["search_mode"]);
 159                         $match_on = db_escape_string($_REQUEST["match_on"]);
 160
 161                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
 162                                 $view_mode, $is_cat, $search, $search_mode, $match_on);
 163
 164                         $result = $qfh_ret[0];
 165                         $feed_title = $qfh_ret[1];
 166
 167                         $headlines = array();
 168
 169                         while ($line = db_fetch_assoc($result)) {
 170                                 $is_updated = ($line["last_read"] == "" &&
 171                                         ($line["unread"] != "t" && $line["unread"] != "1"));
 172
 173                                 $headline_row = array(
 174                                                 "id" => (int)$line["id"],
 175                                                 "unread" => sql_bool_to_bool($line["unread"]),
 176                                                 "marked" => sql_bool_to_bool($line["marked"]),
 177                                                 "updated" => strtotime($line["updated"]),
 178                                                 "is_updated" => $is_updated,
 179                                                 "title" => $line["title"],
 180                                                 "feed_id" => $line["feed_id"],
 181                                         );
 182
 183                                 if ($show_except) $headline_row["excerpt"] = $line["content_preview"];
 184
 185                                 array_push($headlines, $headline_row);
 186                         }
 187
 188                         print json_encode($headlines);
 189
 190                         break;
 191                 case "getArticle":
 192
 193                         $article_id = (int)db_escape_string($_REQUEST["article_id"]);
 194
 195                         $query = "SELECT title,link,content,feed_id,comments,int_id,
 196                                 marked,unread,
 197                                 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
 198                                 author
 199                                 FROM ttrss_entries,ttrss_user_entries
 200                                 WHERE   id = '$article_id' AND ref_id = id AND owner_uid = " .
 201                                         $_SESSION["uid"] ;
 202
 203                         $result = db_query($link, $query);
 204
 205                         $article = array();
 206
 207                         if (db_num_rows($result) != 0) {
 208                                 $line = db_fetch_assoc($result);
 209
 210                                 $article = array(
 211                                         "title" => $line["title"],
 212                                         "link" => $line["link"],
 213                                         "unread" => sql_bool_to_bool($line["unread"]),
 214                                         "marked" => sql_bool_to_bool($line["marked"]),
 215                                         "comments" => $line["comments"],
 216                                         "author" => $line["author"],
 217                                         "updated" => strtotime($line["updated"]),
 218                                         "content" => $line["content"],
 219                                         "feed_id" => $line["feed_id"],
 220                                 );
 221                         }
 222
 223                         print json_encode($article);
 224
 225                         break;
 226         }
 227
 228         db_close($link);
 229
 230 ?>