YunoHost-Apps/ttrss_ynh
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ttrss_ynh/source/classes/api.php

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add 1.10 source
2013-11-24 11:03:28 +01:00
<?php
class API extends Handler {
const API_LEVEL = 7;
const STATUS_OK = 0;
const STATUS_ERR = 1;
private $seq;
function before($method) {
if (parent::before($method)) {
header("Content-Type: text/json");
if (!$_SESSION["uid"] && $method != "login" && $method != "isloggedin") {
$this->wrap(self::STATUS_ERR, array("error" => 'NOT_LOGGED_IN'));
return false;
}
if ($_SESSION["uid"] && $method != "logout" && !get_pref('ENABLE_API_ACCESS')) {
$this->wrap(self::STATUS_ERR, array("error" => 'API_DISABLED'));
return false;
}
$this->seq = (int) $_REQUEST['seq'];
return true;
}
return false;
}
function wrap($status, $reply) {
print json_encode(array("seq" => $this->seq,
"status" => $status,
"content" => $reply));
}
function getVersion() {
$rv = array("version" => VERSION);
$this->wrap(self::STATUS_OK, $rv);
}
function getApiLevel() {
$rv = array("level" => self::API_LEVEL);
$this->wrap(self::STATUS_OK, $rv);
}
function login() {
@session_destroy();
@session_start();
$login = $this->dbh->escape_string($_REQUEST["user"]);
$password = $_REQUEST["password"];
$password_base64 = base64_decode($_REQUEST["password"]);
if (SINGLE_USER_MODE) $login = "admin";
$result = $this->dbh->query("SELECT id FROM ttrss_users WHERE login = '$login'");
if ($this->dbh->num_rows($result) != 0) {
$uid = $this->dbh->fetch_result($result, 0, "id");
} else {
$uid = 0;
}
if (!$uid) {
$this->wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
return;
}
if (get_pref("ENABLE_API_ACCESS", $uid)) {
if (authenticate_user($login, $password)) { // try login with normal password
$this->wrap(self::STATUS_OK, array("session_id" => session_id(),
"api_level" => self::API_LEVEL));
} else if (authenticate_user($login, $password_base64)) { // else try with base64_decoded password
$this->wrap(self::STATUS_OK, array("session_id" => session_id(),
"api_level" => self::API_LEVEL));
} else { // else we are not logged in
$this->wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
}
} else {
$this->wrap(self::STATUS_ERR, array("error" => "API_DISABLED"));
}
}
function logout() {
logout_user();
$this->wrap(self::STATUS_OK, array("status" => "OK"));
}
function isLoggedIn() {
$this->wrap(self::STATUS_OK, array("status" => $_SESSION["uid"] != ''));
}
function getUnread() {
$feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
$is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
if ($feed_id) {
$this->wrap(self::STATUS_OK, array("unread" => getFeedUnread($feed_id, $is_cat)));
} else {
$this->wrap(self::STATUS_OK, array("unread" => getGlobalUnread()));
}
}
/* Method added for ttrss-reader for Android */
function getCounters() {
$this->wrap(self::STATUS_OK, getAllCounters());
}
function getFeeds() {
$cat_id = $this->dbh->escape_string($_REQUEST["cat_id"]);
$unread_only = sql_bool_to_bool($_REQUEST["unread_only"]);
$limit = (int) $this->dbh->escape_string($_REQUEST["limit"]);
$offset = (int) $this->dbh->escape_string($_REQUEST["offset"]);
$include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
$feeds = $this->api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested);
$this->wrap(self::STATUS_OK, $feeds);
}
function getCategories() {
$unread_only = sql_bool_to_bool($_REQUEST["unread_only"]);
$enable_nested = sql_bool_to_bool($_REQUEST["enable_nested"]);
$include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
// TODO do not return empty categories, return Uncategorized and standard virtual cats
if ($enable_nested)
$nested_qpart = "parent_cat IS NULL";
else
$nested_qpart = "true";
$result = $this->dbh->query("SELECT
id, title, order_id, (SELECT COUNT(id) FROM
ttrss_feeds WHERE
ttrss_feed_categories.id IS NOT NULL AND cat_id = ttrss_feed_categories.id) AS num_feeds,
(SELECT COUNT(id) FROM
ttrss_feed_categories AS c2 WHERE
c2.parent_cat = ttrss_feed_categories.id) AS num_cats
FROM ttrss_feed_categories
WHERE $nested_qpart AND owner_uid = " .
$_SESSION["uid"]);
$cats = array();
while ($line = $this->dbh->fetch_assoc($result)) {
if ($include_empty || $line["num_feeds"] > 0 || $line["num_cats"] > 0) {
$unread = getFeedUnread($line["id"], true);
if ($enable_nested)
$unread += getCategoryChildrenUnread($line["id"]);
if ($unread || !$unread_only) {
array_push($cats, array("id" => $line["id"],
"title" => $line["title"],
"unread" => $unread,
"order_id" => (int) $line["order_id"],
));
}
}
}
foreach (array(-2,-1,0) as $cat_id) {
if ($include_empty || !$this->isCategoryEmpty($cat_id)) {
$unread = getFeedUnread($cat_id, true);
if ($unread || !$unread_only) {
array_push($cats, array("id" => $cat_id,
"title" => getCategoryTitle($cat_id),
"unread" => $unread));
}
}
}
$this->wrap(self::STATUS_OK, $cats);
}
function getHeadlines() {
$feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
if ($feed_id != "") {
$limit = (int)$this->dbh->escape_string($_REQUEST["limit"]);
if (!$limit || $limit >= 200) $limit = 200;
$offset = (int)$this->dbh->escape_string($_REQUEST["skip"]);
$filter = $this->dbh->escape_string($_REQUEST["filter"]);
$is_cat = sql_bool_to_bool($_REQUEST["is_cat"]);
$show_excerpt = sql_bool_to_bool($_REQUEST["show_excerpt"]);
$show_content = sql_bool_to_bool($_REQUEST["show_content"]);
/* all_articles, unread, adaptive, marked, updated */
$view_mode = $this->dbh->escape_string($_REQUEST["view_mode"]);
$include_attachments = sql_bool_to_bool($_REQUEST["include_attachments"]);
$since_id = (int)$this->dbh->escape_string($_REQUEST["since_id"]);
$include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
$sanitize_content = !isset($_REQUEST["sanitize"]) ||
sql_bool_to_bool($_REQUEST["sanitize"]);
$override_order = false;
switch ($_REQUEST["order_by"]) {
case "date_reverse":
$override_order = "score DESC, date_entered, updated";
break;
case "feed_dates":
$override_order = "updated DESC";
break;
}
/* do not rely on params below */
$search = $this->dbh->escape_string($_REQUEST["search"]);
$search_mode = $this->dbh->escape_string($_REQUEST["search_mode"]);
$headlines = $this->api_get_headlines($feed_id, $limit, $offset,
$filter, $is_cat, $show_excerpt, $show_content, $view_mode, $override_order,
$include_attachments, $since_id, $search, $search_mode,
$include_nested, $sanitize_content);
$this->wrap(self::STATUS_OK, $headlines);
} else {
$this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
}
}
function updateArticle() {
$article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
$mode = (int) $this->dbh->escape_string($_REQUEST["mode"]);
$data = $this->dbh->escape_string($_REQUEST["data"]);
$field_raw = (int)$this->dbh->escape_string($_REQUEST["field"]);
$field = "";
$set_to = "";
switch ($field_raw) {
case 0:
$field = "marked";
$additional_fields = ",last_marked = NOW()";
break;
case 1:
$field = "published";
$additional_fields = ",last_published = NOW()";
break;
case 2:
$field = "unread";
$additional_fields = ",last_read = NOW()";
break;
case 3:
$field = "note";
};
switch ($mode) {
case 1:
$set_to = "true";
break;
case 0:
$set_to = "false";
break;
case 2:
$set_to = "NOT $field";
break;
}
if ($field == "note") $set_to = "'$data'";
if ($field && $set_to && count($article_ids) > 0) {
$article_ids = join(", ", $article_ids);
$result = $this->dbh->query("UPDATE ttrss_user_entries SET $field = $set_to $additional_fields WHERE ref_id IN ($article_ids) AND owner_uid = " . $_SESSION["uid"]);
$num_updated = $this->dbh->affected_rows($result);
if ($num_updated > 0 && $field == "unread") {
$result = $this->dbh->query("SELECT DISTINCT feed_id FROM ttrss_user_entries
WHERE ref_id IN ($article_ids)");
while ($line = $this->dbh->fetch_assoc($result)) {
ccache_update($line["feed_id"], $_SESSION["uid"]);
}
}
if ($num_updated > 0 && $field == "published") {
if (PUBSUBHUBBUB_HUB) {
$rss_link = get_self_url_prefix() .
"/public.php?op=rss&id=-2&key=" .
get_feed_access_key(-2, false);
$p = new Publisher(PUBSUBHUBBUB_HUB);
$pubsub_result = $p->publish_update($rss_link);
}
}
$this->wrap(self::STATUS_OK, array("status" => "OK",
"updated" => $num_updated));
} else {
$this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
}
}
function getArticle() {
$article_id = join(",", array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_id"])), is_numeric));
if ($article_id) {
$query = "SELECT id,title,link,content,feed_id,comments,int_id,
marked,unread,published,score,
".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
author,(SELECT title FROM ttrss_feeds WHERE id = feed_id) AS feed_title
FROM ttrss_entries,ttrss_user_entries
WHERE id IN ($article_id) AND ref_id = id AND owner_uid = " .
$_SESSION["uid"] ;
$result = $this->dbh->query($query);
$articles = array();
if ($this->dbh->num_rows($result) != 0) {
while ($line = $this->dbh->fetch_assoc($result)) {
$attachments = get_article_enclosures($line['id']);
$article = array(
"id" => $line["id"],
"title" => $line["title"],
"link" => $line["link"],
"labels" => get_article_labels($line['id']),
"unread" => sql_bool_to_bool($line["unread"]),
"marked" => sql_bool_to_bool($line["marked"]),
"published" => sql_bool_to_bool($line["published"]),
"comments" => $line["comments"],
"author" => $line["author"],
"updated" => (int) strtotime($line["updated"]),
"content" => $line["content"],
"feed_id" => $line["feed_id"],
"attachments" => $attachments,
"score" => (int)$line["score"],
"feed_title" => $line["feed_title"]
);
foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
$article = $p->hook_render_article_api(array("article" => $article));
}
array_push($articles, $article);
}
}
$this->wrap(self::STATUS_OK, $articles);
} else {
$this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
}
}
function getConfig() {
$config = array(
"icons_dir" => ICONS_DIR,
"icons_url" => ICONS_URL);
$config["daemon_is_running"] = file_is_locked("update_daemon.lock");
$result = $this->dbh->query("SELECT COUNT(*) AS cf FROM
ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
$num_feeds = $this->dbh->fetch_result($result, 0, "cf");
$config["num_feeds"] = (int)$num_feeds;
$this->wrap(self::STATUS_OK, $config);
}
function updateFeed() {
require_once "include/rssfuncs.php";
$feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
update_rss_feed($feed_id, true);
$this->wrap(self::STATUS_OK, array("status" => "OK"));
}
function catchupFeed() {
$feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
$is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
catchup_feed($feed_id, $is_cat);
$this->wrap(self::STATUS_OK, array("status" => "OK"));
}
function getPref() {
$pref_name = $this->dbh->escape_string($_REQUEST["pref_name"]);
$this->wrap(self::STATUS_OK, array("value" => get_pref($pref_name)));
}
function getLabels() {
//$article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
$article_id = (int)$_REQUEST['article_id'];
$rv = array();
$result = $this->dbh->query("SELECT id, caption, fg_color, bg_color
FROM ttrss_labels2
WHERE owner_uid = '".$_SESSION['uid']."' ORDER BY caption");
if ($article_id)
$article_labels = get_article_labels($article_id);
else
$article_labels = array();
while ($line = $this->dbh->fetch_assoc($result)) {
$checked = false;
foreach ($article_labels as $al) {
if ($al[0] == $line['id']) {
$checked = true;
break;
}
}
array_push($rv, array(
"id" => (int)label_to_feed_id($line['id']),
"caption" => $line['caption'],
"fg_color" => $line['fg_color'],
"bg_color" => $line['bg_color'],
"checked" => $checked));
}
$this->wrap(self::STATUS_OK, $rv);
}
function setArticleLabel() {
$article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
$label_id = (int) $this->dbh->escape_string($_REQUEST['label_id']);
$assign = (bool) $this->dbh->escape_string($_REQUEST['assign']) == "true";
$label = $this->dbh->escape_string(label_find_caption(
$label_id, $_SESSION["uid"]));
$num_updated = 0;
if ($label) {
foreach ($article_ids as $id) {
if ($assign)
label_add_article($id, $label, $_SESSION["uid"]);
else
label_remove_article($id, $label, $_SESSION["uid"]);
++$num_updated;
}
}
$this->wrap(self::STATUS_OK, array("status" => "OK",
"updated" => $num_updated));
}
function index($method) {
$plugin = PluginHost::getInstance()->get_api_method(strtolower($method));
if ($plugin && method_exists($plugin, $method)) {
$reply = $plugin->$method();
$this->wrap($reply[0], $reply[1]);
} else {
$this->wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD', "method" => $method));
}
}
function shareToPublished() {
$title = $this->dbh->escape_string(strip_tags($_REQUEST["title"]));
$url = $this->dbh->escape_string(strip_tags($_REQUEST["url"]));
$content = $this->dbh->escape_string(strip_tags($_REQUEST["content"]));
if (Article::create_published_article($title, $url, $content, "", $_SESSION["uid"])) {
$this->wrap(self::STATUS_OK, array("status" => 'OK'));
} else {
$this->wrap(self::STATUS_ERR, array("error" => 'Publishing failed'));
}
}
static function api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested = false) {
$feeds = array();
/* Labels */
if ($cat_id == -4 || $cat_id == -2) {
$counters = getLabelCounters(true);
foreach (array_values($counters) as $cv) {
$unread = $cv["counter"];
if ($unread || !$unread_only) {
$row = array(
"id" => $cv["id"],
"title" => $cv["description"],
"unread" => $cv["counter"],
"cat_id" => -2,
);
array_push($feeds, $row);
}
}
}
/* Virtual feeds */
if ($cat_id == -4 || $cat_id == -1) {
foreach (array(-1, -2, -3, -4, -6, 0) as $i) {
$unread = getFeedUnread($i);
if ($unread || !$unread_only) {
$title = getFeedTitle($i);
$row = array(
"id" => $i,
"title" => $title,
"unread" => $unread,
"cat_id" => -1,
);
array_push($feeds, $row);
}
}
}
/* Child cats */
if ($include_nested && $cat_id) {
$result = db_query("SELECT
id, title FROM ttrss_feed_categories
WHERE parent_cat = '$cat_id' AND owner_uid = " . $_SESSION["uid"] .
" ORDER BY id, title");
while ($line = db_fetch_assoc($result)) {
$unread = getFeedUnread($line["id"], true) +
getCategoryChildrenUnread($line["id"]);
if ($unread || !$unread_only) {
$row = array(
"id" => $line["id"],
"title" => $line["title"],
"unread" => $unread,
"is_cat" => true,
);
array_push($feeds, $row);
}
}
}
/* Real feeds */
if ($limit) {
$limit_qpart = "LIMIT $limit OFFSET $offset";
} else {
$limit_qpart = "";
}
if ($cat_id == -4 || $cat_id == -3) {
$result = db_query("SELECT
id, feed_url, cat_id, title, order_id, ".
SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
" ORDER BY cat_id, title " . $limit_qpart);
} else {
if ($cat_id)
$cat_qpart = "cat_id = '$cat_id'";
else
$cat_qpart = "cat_id IS NULL";
$result = db_query("SELECT
id, feed_url, cat_id, title, order_id, ".
SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
FROM ttrss_feeds WHERE
$cat_qpart AND owner_uid = " . $_SESSION["uid"] .
" ORDER BY cat_id, title " . $limit_qpart);
}
while ($line = db_fetch_assoc($result)) {
$unread = getFeedUnread($line["id"]);
$has_icon = feed_has_icon($line['id']);
if ($unread || !$unread_only) {
$row = array(
"feed_url" => $line["feed_url"],
"title" => $line["title"],
"id" => (int)$line["id"],
"unread" => (int)$unread,
"has_icon" => $has_icon,
"cat_id" => (int)$line["cat_id"],
"last_updated" => (int) strtotime($line["last_updated"]),
"order_id" => (int) $line["order_id"],
);
array_push($feeds, $row);
}
}
return $feeds;
}
static function api_get_headlines($feed_id, $limit, $offset,
$filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
$include_attachments, $since_id,
$search = "", $search_mode = "",
$include_nested = false, $sanitize_content = true) {
$qfh_ret = queryFeedHeadlines($feed_id, $limit,
$view_mode, $is_cat, $search, $search_mode,
$order, $offset, 0, false, $since_id, $include_nested);
$result = $qfh_ret[0];
$feed_title = $qfh_ret[1];
$headlines = array();
while ($line = db_fetch_assoc($result)) {
$line["content_preview"] = truncate_string(strip_tags($line["content_preview"]), 100);
foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
$line = $p->hook_query_headlines($line, 100, true);
}
$is_updated = ($line["last_read"] == "" &&
($line["unread"] != "t" && $line["unread"] != "1"));
$tags = explode(",", $line["tag_cache"]);
$labels = json_decode($line["label_cache"], true);
//if (!$tags) $tags = get_article_tags($line["id"]);
//if (!$labels) $labels = get_article_labels($line["id"]);
$headline_row = array(
"id" => (int)$line["id"],
"unread" => sql_bool_to_bool($line["unread"]),
"marked" => sql_bool_to_bool($line["marked"]),
"published" => sql_bool_to_bool($line["published"]),
"updated" => (int) strtotime($line["updated"]),
"is_updated" => $is_updated,
"title" => $line["title"],
"link" => $line["link"],
"feed_id" => $line["feed_id"],
"tags" => $tags,
);
if ($include_attachments)
$headline_row['attachments'] = get_article_enclosures(
$line['id']);
if ($show_excerpt)
$headline_row["excerpt"] = $line["content_preview"];
if ($show_content) {
if ($sanitize_content) {
$headline_row["content"] = sanitize(
$line["content"],
sql_bool_to_bool($line['hide_images']),
false, $line["site_url"], false, $line["id"]);
} else {
$headline_row["content"] = $line["content"];
}
}
// unify label output to ease parsing
if ($labels["no-labels"] == 1) $labels = array();
$headline_row["labels"] = $labels;
$headline_row["feed_title"] = $line["feed_title"] ? $line["feed_title"] :
$feed_title;
$headline_row["comments_count"] = (int)$line["num_comments"];
$headline_row["comments_link"] = $line["comments"];
$headline_row["always_display_attachments"] = sql_bool_to_bool($line["always_display_enclosures"]);
$headline_row["author"] = $line["author"];
$headline_row["score"] = (int)$line["score"];
foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
$headline_row = $p->hook_render_article_api(array("headline" => $headline_row));
}
array_push($headlines, $headline_row);
}
return $headlines;
}
function unsubscribeFeed() {
$feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
$result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
id = '$feed_id' AND owner_uid = ".$_SESSION["uid"]);
if ($this->dbh->num_rows($result) != 0) {
Pref_Feeds::remove_feed($feed_id, $_SESSION["uid"]);
$this->wrap(self::STATUS_OK, array("status" => "OK"));
} else {
$this->wrap(self::STATUS_ERR, array("error" => "FEED_NOT_FOUND"));
}
}
function subscribeToFeed() {
$feed_url = $this->dbh->escape_string($_REQUEST["feed_url"]);
$category_id = (int) $this->dbh->escape_string($_REQUEST["category_id"]);
$login = $this->dbh->escape_string($_REQUEST["login"]);
$password = $this->dbh->escape_string($_REQUEST["password"]);
if ($feed_url) {
$rc = subscribe_to_feed($feed_url, $category_id, $login, $password);
$this->wrap(self::STATUS_OK, array("status" => $rc));
} else {
$this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
}
}
function getFeedTree() {
$include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
$pf = new Pref_Feeds($_REQUEST);
$_REQUEST['mode'] = 2;
$_REQUEST['force_show_empty'] = $include_empty;
if ($pf){
$data = $pf->makefeedtree();
$this->wrap(self::STATUS_OK, array("categories" => $data));
} else {
$this->wrap(self::STATUS_ERR, array("error" =>
'UNABLE_TO_INSTANTIATE_OBJECT'));
}
}
// only works for labels or uncategorized for the time being
private function isCategoryEmpty($id) {
if ($id == -2) {
$result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_labels2
WHERE owner_uid = " . $_SESSION["uid"]);
return $this->dbh->fetch_result($result, 0, "count") == 0;
} else if ($id == 0) {
$result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_feeds
WHERE cat_id IS NULL AND owner_uid = " . $_SESSION["uid"]);
return $this->dbh->fetch_result($result, 0, "count") == 0;
}
return false;
}
}
?>
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