link, $_REQUEST["id"]); $_SESSION["profile"] = $id; $_SESSION["prefs_cache"] = array(); } function remprofiles() { $ids = explode(",", db_escape_string($this->link, trim($_REQUEST["ids"]))); foreach ($ids as $id) { if ($_SESSION["profile"] != $id) { db_query($this->link, "DELETE FROM ttrss_settings_profiles WHERE id = '$id' AND owner_uid = " . $_SESSION["uid"]); } } } // Silent function addprofile() { $title = db_escape_string($this->link, trim($_REQUEST["title"])); if ($title) { db_query($this->link, "BEGIN"); $result = db_query($this->link, "SELECT id FROM ttrss_settings_profiles WHERE title = '$title' AND owner_uid = " . $_SESSION["uid"]); if (db_num_rows($result) == 0) { db_query($this->link, "INSERT INTO ttrss_settings_profiles (title, owner_uid) VALUES ('$title', ".$_SESSION["uid"] .")"); $result = db_query($this->link, "SELECT id FROM ttrss_settings_profiles WHERE title = '$title'"); if (db_num_rows($result) != 0) { $profile_id = db_fetch_result($result, 0, "id"); if ($profile_id) { initialize_user_prefs($this->link, $_SESSION["uid"], $profile_id); } } } db_query($this->link, "COMMIT"); } } // Silent function saveprofile() { $id = db_escape_string($this->link, $_REQUEST["id"]); $title = db_escape_string($this->link, trim($_REQUEST["value"])); if ($id == 0) { print __("Default profile"); return; } if ($title) { db_query($this->link, "BEGIN"); $result = db_query($this->link, "SELECT id FROM ttrss_settings_profiles WHERE title = '$title' AND owner_uid =" . $_SESSION["uid"]); if (db_num_rows($result) == 0) { db_query($this->link, "UPDATE ttrss_settings_profiles SET title = '$title' WHERE id = '$id' AND owner_uid = " . $_SESSION["uid"]); print $title; } else { $result = db_query($this->link, "SELECT title FROM ttrss_settings_profiles WHERE id = '$id' AND owner_uid =" . $_SESSION["uid"]); print db_fetch_result($result, 0, "title"); } db_query($this->link, "COMMIT"); } } // Silent function remarchive() { $ids = explode(",", db_escape_string($this->link, $_REQUEST["ids"])); foreach ($ids as $id) { $result = db_query($this->link, "DELETE FROM ttrss_archived_feeds WHERE (SELECT COUNT(*) FROM ttrss_user_entries WHERE orig_feed_id = '$id') = 0 AND id = '$id' AND owner_uid = ".$_SESSION["uid"]); $rc = db_affected_rows($this->link, $result); } } function addfeed() { $feed = db_escape_string($this->link, $_REQUEST['feed']); $cat = db_escape_string($this->link, $_REQUEST['cat']); $login = db_escape_string($this->link, $_REQUEST['login']); $pass = db_escape_string($this->link, $_REQUEST['pass']); $need_auth = db_escape_string($this->link, $_REQUEST['need_auth']) != ""; $rc = subscribe_to_feed($this->link, $feed, $cat, $login, $pass, $need_auth); print json_encode(array("result" => $rc)); } function togglepref() { $key = db_escape_string($this->link, $_REQUEST["key"]); set_pref($this->link, $key, !get_pref($this->link, $key)); $value = get_pref($this->link, $key); print json_encode(array("param" =>$key, "value" => $value)); } function setpref() { // set_pref escapes input, so no need to double escape it here $key = $_REQUEST['key']; $value = str_replace("\n", "
", $_REQUEST['value']); set_pref($this->link, $key, $value, $_SESSION['uid'], $key != 'USER_STYLESHEET'); print json_encode(array("param" =>$key, "value" => $value)); } function mark() { $mark = $_REQUEST["mark"]; $id = db_escape_string($this->link, $_REQUEST["id"]); if ($mark == "1") { $mark = "true"; } else { $mark = "false"; } $result = db_query($this->link, "UPDATE ttrss_user_entries SET marked = $mark, last_marked = NOW() WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]); print json_encode(array("message" => "UPDATE_COUNTERS")); } function delete() { $ids = db_escape_string($this->link, $_REQUEST["ids"]); $result = db_query($this->link, "DELETE FROM ttrss_user_entries WHERE ref_id IN ($ids) AND owner_uid = " . $_SESSION["uid"]); print json_encode(array("message" => "UPDATE_COUNTERS")); } function unarchive() { $ids = db_escape_string($this->link, $_REQUEST["ids"]); $result = db_query($this->link, "UPDATE ttrss_user_entries SET feed_id = orig_feed_id, orig_feed_id = NULL WHERE ref_id IN ($ids) AND owner_uid = " . $_SESSION["uid"]); print json_encode(array("message" => "UPDATE_COUNTERS")); } function archive() { $ids = explode(",", db_escape_string($this->link, $_REQUEST["ids"])); foreach ($ids as $id) { $this->archive_article($this->link, $id, $_SESSION["uid"]); } print json_encode(array("message" => "UPDATE_COUNTERS")); } private function archive_article($link, $id, $owner_uid) { db_query($link, "BEGIN"); $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries WHERE ref_id = '$id' AND owner_uid = $owner_uid"); if (db_num_rows($result) != 0) { /* prepare the archived table */ $feed_id = (int) db_fetch_result($result, 0, "feed_id"); if ($feed_id) { $result = db_query($link, "SELECT id FROM ttrss_archived_feeds WHERE id = '$feed_id'"); if (db_num_rows($result) == 0) { db_query($link, "INSERT INTO ttrss_archived_feeds (id, owner_uid, title, feed_url, site_url) SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds WHERE id = '$feed_id'"); } db_query($link, "UPDATE ttrss_user_entries SET orig_feed_id = feed_id, feed_id = NULL WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]); } } db_query($link, "COMMIT"); } function publ() { $pub = $_REQUEST["pub"]; $id = db_escape_string($this->link, $_REQUEST["id"]); $note = trim(strip_tags(db_escape_string($this->link, $_REQUEST["note"]))); if ($pub == "1") { $pub = "true"; } else { $pub = "false"; } $result = db_query($this->link, "UPDATE ttrss_user_entries SET published = $pub, last_published = NOW() WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]); $pubsub_result = false; if (PUBSUBHUBBUB_HUB) { $rss_link = get_self_url_prefix() . "/public.php?op=rss&id=-2&key=" . get_feed_access_key($this->link, -2, false); $p = new Publisher(PUBSUBHUBBUB_HUB); $pubsub_result = $p->publish_update($rss_link); } print json_encode(array("message" => "UPDATE_COUNTERS", "pubsub_result" => $pubsub_result)); } function getAllCounters() { $last_article_id = (int) $_REQUEST["last_article_id"]; $reply = array(); if ($seq) $reply['seq'] = $seq; if ($last_article_id != getLastArticleId($this->link)) { $reply['counters'] = getAllCounters($this->link); } $reply['runtime-info'] = make_runtime_info($this->link); print json_encode($reply); } /* GET["cmode"] = 0 - mark as read, 1 - as unread, 2 - toggle */ function catchupSelected() { $ids = explode(",", db_escape_string($this->link, $_REQUEST["ids"])); $cmode = sprintf("%d", $_REQUEST["cmode"]); catchupArticlesById($this->link, $ids, $cmode); print json_encode(array("message" => "UPDATE_COUNTERS")); } function markSelected() { $ids = explode(",", db_escape_string($this->link, $_REQUEST["ids"])); $cmode = sprintf("%d", $_REQUEST["cmode"]); $this->markArticlesById($this->link, $ids, $cmode); print json_encode(array("message" => "UPDATE_COUNTERS")); } function publishSelected() { $ids = explode(",", db_escape_string($this->link, $_REQUEST["ids"])); $cmode = sprintf("%d", $_REQUEST["cmode"]); $this->publishArticlesById($this->link, $ids, $cmode); print json_encode(array("message" => "UPDATE_COUNTERS")); } function sanityCheck() { $_SESSION["hasAudio"] = $_REQUEST["hasAudio"] === "true"; $_SESSION["hasSandbox"] = $_REQUEST["hasSandbox"] === "true"; $reply = array(); $reply['error'] = sanity_check($this->link); if ($reply['error']['code'] == 0) { $reply['init-params'] = make_init_params($this->link); $reply['runtime-info'] = make_runtime_info($this->link); } print json_encode($reply); } function setArticleTags() { $id = db_escape_string($this->link, $_REQUEST["id"]); $tags_str = db_escape_string($this->link, $_REQUEST["tags_str"]); $tags = array_unique(trim_array(explode(",", $tags_str))); db_query($this->link, "BEGIN"); $result = db_query($this->link, "SELECT int_id FROM ttrss_user_entries WHERE ref_id = '$id' AND owner_uid = '".$_SESSION["uid"]."' LIMIT 1"); if (db_num_rows($result) == 1) { $tags_to_cache = array(); $int_id = db_fetch_result($result, 0, "int_id"); db_query($this->link, "DELETE FROM ttrss_tags WHERE post_int_id = $int_id AND owner_uid = '".$_SESSION["uid"]."'"); foreach ($tags as $tag) { $tag = sanitize_tag($tag); if (!tag_is_valid($tag)) { continue; } if (preg_match("/^[0-9]*$/", $tag)) { continue; } // print ""; if ($tag != '') { db_query($this->link, "INSERT INTO ttrss_tags (post_int_id, owner_uid, tag_name) VALUES ('$int_id', '".$_SESSION["uid"]."', '$tag')"); } array_push($tags_to_cache, $tag); } /* update tag cache */ sort($tags_to_cache); $tags_str = join(",", $tags_to_cache); db_query($this->link, "UPDATE ttrss_user_entries SET tag_cache = '$tags_str' WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]); } db_query($this->link, "COMMIT"); $tags = get_article_tags($this->link, $id); $tags_str = format_tags_string($tags, $id); $tags_str_full = join(", ", $tags); if (!$tags_str_full) $tags_str_full = __("no tags"); print json_encode(array("tags_str" => array("id" => $id, "content" => $tags_str, "content_full" => $tags_str_full))); } function regenOPMLKey() { $this->update_feed_access_key($this->link, 'OPML:Publish', false, $_SESSION["uid"]); $new_link = Opml::opml_publish_url($this->link); print json_encode(array("link" => $new_link)); } function completeLabels() { $search = db_escape_string($this->link, $_REQUEST["search"]); $result = db_query($this->link, "SELECT DISTINCT caption FROM ttrss_labels2 WHERE owner_uid = '".$_SESSION["uid"]."' AND LOWER(caption) LIKE LOWER('$search%') ORDER BY caption LIMIT 5"); print ""; } function completeTags() { $search = db_escape_string($this->link, $_REQUEST["search"]); $result = db_query($this->link, "SELECT DISTINCT tag_name FROM ttrss_tags WHERE owner_uid = '".$_SESSION["uid"]."' AND tag_name LIKE '$search%' ORDER BY tag_name LIMIT 10"); print ""; } function purge() { $ids = explode(",", db_escape_string($this->link, $_REQUEST["ids"])); $days = sprintf("%d", $_REQUEST["days"]); foreach ($ids as $id) { $result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE id = '$id' AND owner_uid = ".$_SESSION["uid"]); if (db_num_rows($result) == 1) { purge_feed($this->link, $id, $days); } } } function getArticles() { $ids = explode(",", db_escape_string($this->link, $_REQUEST["ids"])); $articles = array(); foreach ($ids as $id) { if ($id) { array_push($articles, format_article($this->link, $id, 0, false)); } } print json_encode($articles); } function checkDate() { $date = db_escape_string($this->link, $_REQUEST["date"]); $date_parsed = strtotime($date); print json_encode(array("result" => (bool)$date_parsed, "date" => date("c", $date_parsed))); } function assigntolabel() { return $this->labelops(true); } function removefromlabel() { return $this->labelops(false); } function labelops($assign) { $reply = array(); $ids = explode(",", db_escape_string($this->link, $_REQUEST["ids"])); $label_id = db_escape_string($this->link, $_REQUEST["lid"]); $label = db_escape_string($this->link, label_find_caption($this->link, $label_id, $_SESSION["uid"])); $reply["info-for-headlines"] = array(); if ($label) { foreach ($ids as $id) { if ($assign) label_add_article($this->link, $id, $label, $_SESSION["uid"]); else label_remove_article($this->link, $id, $label, $_SESSION["uid"]); $labels = get_article_labels($this->link, $id, $_SESSION["uid"]); array_push($reply["info-for-headlines"], array("id" => $id, "labels" => format_article_labels($labels, $id))); } } $reply["message"] = "UPDATE_COUNTERS"; print json_encode($reply); } function updateFeedBrowser() { $search = db_escape_string($this->link, $_REQUEST["search"]); $limit = db_escape_string($this->link, $_REQUEST["limit"]); $mode = (int) db_escape_string($this->link, $_REQUEST["mode"]); require_once "feedbrowser.php"; print json_encode(array("content" => make_feed_browser($this->link, $search, $limit, $mode), "mode" => $mode)); } // Silent function massSubscribe() { $payload = json_decode($_REQUEST["payload"], false); $mode = $_REQUEST["mode"]; if (!$payload || !is_array($payload)) return; if ($mode == 1) { foreach ($payload as $feed) { $title = db_escape_string($this->link, $feed[0]); $feed_url = db_escape_string($this->link, $feed[1]); $result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_url' AND owner_uid = " . $_SESSION["uid"]); if (db_num_rows($result) == 0) { $result = db_query($this->link, "INSERT INTO ttrss_feeds (owner_uid,feed_url,title,cat_id,site_url) VALUES ('".$_SESSION["uid"]."', '$feed_url', '$title', NULL, '')"); } } } else if ($mode == 2) { // feed archive foreach ($payload as $id) { $result = db_query($this->link, "SELECT * FROM ttrss_archived_feeds WHERE id = '$id' AND owner_uid = " . $_SESSION["uid"]); if (db_num_rows($result) != 0) { $site_url = db_escape_string($this->link, db_fetch_result($result, 0, "site_url")); $feed_url = db_escape_string($this->link, db_fetch_result($result, 0, "feed_url")); $title = db_escape_string($this->link, db_fetch_result($result, 0, "title")); $result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_url' AND owner_uid = " . $_SESSION["uid"]); if (db_num_rows($result) == 0) { $result = db_query($this->link, "INSERT INTO ttrss_feeds (owner_uid,feed_url,title,cat_id,site_url) VALUES ('$id','".$_SESSION["uid"]."', '$feed_url', '$title', NULL, '$site_url')"); } } } } } function catchupFeed() { $feed_id = db_escape_string($this->link, $_REQUEST['feed_id']); $is_cat = db_escape_string($this->link, $_REQUEST['is_cat']) == "true"; $max_id = (int) db_escape_string($this->link, $_REQUEST['max_id']); catchup_feed($this->link, $feed_id, $is_cat, false, $max_id); print json_encode(array("message" => "UPDATE_COUNTERS")); } function quickAddCat() { $cat = db_escape_string($this->link, $_REQUEST["cat"]); add_feed_category($this->link, $cat); $result = db_query($this->link, "SELECT id FROM ttrss_feed_categories WHERE title = '$cat' AND owner_uid = " . $_SESSION["uid"]); if (db_num_rows($result) == 1) { $id = db_fetch_result($result, 0, "id"); } else { $id = 0; } print_feed_cat_select($this->link, "cat_id", $id); } function regenFeedKey() { $feed_id = db_escape_string($this->link, $_REQUEST['id']); $is_cat = db_escape_string($this->link, $_REQUEST['is_cat']) == "true"; $new_key = $this->update_feed_access_key($this->link, $feed_id, $is_cat); print json_encode(array("link" => $new_key)); } // Silent function clearKeys() { db_query($this->link, "DELETE FROM ttrss_access_keys WHERE owner_uid = " . $_SESSION["uid"]); } // Silent function clearArticleKeys() { db_query($this->link, "UPDATE ttrss_user_entries SET uuid = '' WHERE owner_uid = " . $_SESSION["uid"]); return; } function verifyRegexp() { $reg_exp = $_REQUEST["reg_exp"]; $status = @preg_match("/$reg_exp/i", "TEST") !== false; print json_encode(array("status" => $status)); } /* function buttonPlugin() { $pclass = "button_" . basename($_REQUEST['plugin']); $method = $_REQUEST['plugin_method']; if (class_exists($pclass)) { $plugin = new $pclass($this->link); if (method_exists($plugin, $method)) { return $plugin->$method(); } } } */ function genHash() { $hash = sha1(uniqid(rand(), true)); print json_encode(array("hash" => $hash)); } function batchAddFeeds() { $cat_id = db_escape_string($this->link, $_REQUEST['cat']); $feeds = explode("\n", db_escape_string($this->link, $_REQUEST['feeds'])); $login = db_escape_string($this->link, $_REQUEST['login']); $pass = db_escape_string($this->link, $_REQUEST['pass']); $need_auth = db_escape_string($this->link, $_REQUEST['need_auth']) != ""; foreach ($feeds as $feed) { $feed = trim($feed); if (validate_feed_url($feed)) { db_query($this->link, "BEGIN"); if ($cat_id == "0" || !$cat_id) { $cat_qpart = "NULL"; } else { $cat_qpart = "'$cat_id'"; } $result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed' AND owner_uid = ".$_SESSION["uid"]); if (db_num_rows($result) == 0) { $result = db_query($this->link, "INSERT INTO ttrss_feeds (owner_uid,feed_url,title,cat_id,auth_login,auth_pass,update_method) VALUES ('".$_SESSION["uid"]."', '$feed', '[Unknown]', $cat_qpart, '$login', '$pass', 0)"); } db_query($this->link, "COMMIT"); } } } function setScore() { $ids = db_escape_string($this->link, $_REQUEST['id']); $score = (int)db_escape_string($this->link, $_REQUEST['score']); db_query($this->link, "UPDATE ttrss_user_entries SET score = '$score' WHERE ref_id IN ($ids) AND owner_uid = " . $_SESSION["uid"]); print json_encode(array("id" => $id, "score_pic" => get_score_pic($score))); } function setpanelmode() { $wide = (int) $_REQUEST["wide"]; setcookie("ttrss_widescreen", $wide, time() + SESSION_COOKIE_LIFETIME); print json_encode(array("wide" => $wide)); } function updaterandomfeed() { // Test if the feed need a update (update interval exceded). if (DB_TYPE == "pgsql") { $update_limit_qpart = "AND (( ttrss_feeds.update_interval = 0 AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL) ) OR ( ttrss_feeds.update_interval > 0 AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL) ) OR ttrss_feeds.last_updated IS NULL OR last_updated = '1970-01-01 00:00:00')"; } else { $update_limit_qpart = "AND (( ttrss_feeds.update_interval = 0 AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE) ) OR ( ttrss_feeds.update_interval > 0 AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE) ) OR ttrss_feeds.last_updated IS NULL OR last_updated = '1970-01-01 00:00:00')"; } // Test if feed is currently being updated by another process. if (DB_TYPE == "pgsql") { $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '5 minutes')"; } else { $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 5 MINUTE))"; } $random_qpart = sql_random_function(); // We search for feed needing update. $result = db_query($this->link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id FROM ttrss_feeds, ttrss_users, ttrss_user_prefs WHERE ttrss_feeds.owner_uid = ttrss_users.id AND ttrss_users.id = ttrss_user_prefs.owner_uid AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL' AND ttrss_feeds.owner_uid = ".$_SESSION["uid"]." $update_limit_qpart $updstart_thresh_qpart ORDER BY $random_qpart LIMIT 30"); $feed_id = -1; require_once "rssfuncs.php"; $num_updated = 0; $tstart = time(); while ($line = db_fetch_assoc($result)) { $feed_id = $line["id"]; if (time() - $tstart < ini_get("max_execution_time") * 0.7) { update_rss_feed($this->link, $feed_id, true); ++$num_updated; } else { break; } } if ($num_updated > 0) { print json_encode(array("message" => "UPDATE_COUNTERS", "num_updated" => $num_updated)); } else { print json_encode(array("message" => "NOTHING_TO_UPDATE")); } } function update_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) { if (!$owner_uid) $owner_uid = $_SESSION["uid"]; $sql_is_cat = bool_to_sql_bool($is_cat); $result = db_query($link, "SELECT access_key FROM ttrss_access_keys WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat AND owner_uid = " . $owner_uid); if (db_num_rows($result) == 1) { $key = db_escape_string($this->link, sha1(uniqid(rand(), true))); db_query($link, "UPDATE ttrss_access_keys SET access_key = '$key' WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat AND owner_uid = " . $owner_uid); return $key; } else { return get_feed_access_key($link, $feed_id, $is_cat, $owner_uid); } } private function markArticlesById($link, $ids, $cmode) { $tmp_ids = array(); foreach ($ids as $id) { array_push($tmp_ids, "ref_id = '$id'"); } $ids_qpart = join(" OR ", $tmp_ids); if ($cmode == 0) { db_query($link, "UPDATE ttrss_user_entries SET marked = false, last_marked = NOW() WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]); } else if ($cmode == 1) { db_query($link, "UPDATE ttrss_user_entries SET marked = true, last_marked = NOW() WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]); } else { db_query($link, "UPDATE ttrss_user_entries SET marked = NOT marked,last_marked = NOW() WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]); } } private function publishArticlesById($link, $ids, $cmode) { $tmp_ids = array(); foreach ($ids as $id) { array_push($tmp_ids, "ref_id = '$id'"); } $ids_qpart = join(" OR ", $tmp_ids); if ($cmode == 0) { db_query($link, "UPDATE ttrss_user_entries SET published = false,last_published = NOW() WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]); } else if ($cmode == 1) { db_query($link, "UPDATE ttrss_user_entries SET published = true,last_published = NOW() WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]); } else { db_query($link, "UPDATE ttrss_user_entries SET published = NOT published,last_published = NOW() WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]); } if (PUBSUBHUBBUB_HUB) { $rss_link = get_self_url_prefix() . "/public.php?op=rss&id=-2&key=" . get_feed_access_key($link, -2, false); $p = new Publisher(PUBSUBHUBBUB_HUB); $pubsub_result = $p->publish_update($rss_link); } } function getlinkbyid() { $id = db_escape_string($this->link, $_REQUEST['id']); $result = db_query($this->link, "SELECT link FROM ttrss_entries, ttrss_user_entries WHERE ref_id = '$id' AND ref_id = id AND owner_uid = ". $_SESSION["uid"]); if (db_num_rows($result) != 0) { $link = db_fetch_result($result, 0, "link"); echo json_encode(array("link" => $link)); } else { echo json_encode(array("error" => "ARTICLE_NOT_FOUND")); } } } ?>