ttrss/include/functions2.php

2531 lines
70 KiB
PHP

<?php
function make_init_params() {
$params = array();
foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
"ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
"CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE",
"HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
$params[strtolower($param)] = (int) get_pref($param);
}
$params["icons_url"] = ICONS_URL;
$params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
$params["default_view_mode"] = get_pref("_DEFAULT_VIEW_MODE");
$params["default_view_limit"] = (int) get_pref("_DEFAULT_VIEW_LIMIT");
$params["default_view_order_by"] = get_pref("_DEFAULT_VIEW_ORDER_BY");
$params["bw_limit"] = (int) $_SESSION["bw_limit"];
$params["label_base_index"] = (int) LABEL_BASE_INDEX;
$theme = get_pref( "USER_CSS_THEME", false, false);
$params["theme"] = theme_valid("$theme") ? $theme : "";
$params["plugins"] = implode(", ", PluginHost::getInstance()->get_plugin_names());
$params["php_platform"] = PHP_OS;
$params["php_version"] = PHP_VERSION;
$params["sanity_checksum"] = sha1(file_get_contents("include/sanity_check.php"));
$result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
$max_feed_id = db_fetch_result($result, 0, "mid");
$num_feeds = db_fetch_result($result, 0, "nf");
$params["max_feed_id"] = (int) $max_feed_id;
$params["num_feeds"] = (int) $num_feeds;
$params["hotkeys"] = get_hotkeys_map();
$params["csrf_token"] = $_SESSION["csrf_token"];
$params["widescreen"] = (int) $_COOKIE["ttrss_widescreen"];
$params['simple_update'] = defined('SIMPLE_UPDATE_MODE') && SIMPLE_UPDATE_MODE;
$params["icon_alert"] = base64_img("images/alert.png");
$params["icon_information"] = base64_img("images/information.png");
$params["icon_cross"] = base64_img("images/cross.png");
$params["icon_indicator_white"] = base64_img("images/indicator_white.gif");
return $params;
}
function get_hotkeys_info() {
$hotkeys = array(
__("Navigation") => array(
"next_feed" => __("Open next feed"),
"prev_feed" => __("Open previous feed"),
"next_article" => __("Open next article"),
"prev_article" => __("Open previous article"),
"next_article_noscroll" => __("Open next article (don't scroll long articles)"),
"prev_article_noscroll" => __("Open previous article (don't scroll long articles)"),
"next_article_noexpand" => __("Move to next article (don't expand or mark read)"),
"prev_article_noexpand" => __("Move to previous article (don't expand or mark read)"),
"search_dialog" => __("Show search dialog")),
__("Article") => array(
"toggle_mark" => __("Toggle starred"),
"toggle_publ" => __("Toggle published"),
"toggle_unread" => __("Toggle unread"),
"edit_tags" => __("Edit tags"),
"open_in_new_window" => __("Open in new window"),
"catchup_below" => __("Mark below as read"),
"catchup_above" => __("Mark above as read"),
"article_scroll_down" => __("Scroll down"),
"article_scroll_up" => __("Scroll up"),
"select_article_cursor" => __("Select article under cursor"),
"email_article" => __("Email article"),
"close_article" => __("Close/collapse article"),
"toggle_expand" => __("Toggle article expansion (combined mode)"),
"toggle_widescreen" => __("Toggle widescreen mode"),
"toggle_embed_original" => __("Toggle embed original")),
__("Article selection") => array(
"select_all" => __("Select all articles"),
"select_unread" => __("Select unread"),
"select_marked" => __("Select starred"),
"select_published" => __("Select published"),
"select_invert" => __("Invert selection"),
"select_none" => __("Deselect everything")),
__("Feed") => array(
"feed_refresh" => __("Refresh current feed"),
"feed_unhide_read" => __("Un/hide read feeds"),
"feed_subscribe" => __("Subscribe to feed"),
"feed_edit" => __("Edit feed"),
"feed_catchup" => __("Mark as read"),
"feed_reverse" => __("Reverse headlines"),
"feed_toggle_vgroup" => __("Toggle headline grouping"),
"feed_debug_update" => __("Debug feed update"),
"feed_debug_viewfeed" => __("Debug viewfeed()"),
"catchup_all" => __("Mark all feeds as read"),
"cat_toggle_collapse" => __("Un/collapse current category"),
"toggle_combined_mode" => __("Toggle combined mode"),
"toggle_cdm_expanded" => __("Toggle auto expand in combined mode")),
__("Go to") => array(
"goto_all" => __("All articles"),
"goto_fresh" => __("Fresh"),
"goto_marked" => __("Starred"),
"goto_published" => __("Published"),
"goto_tagcloud" => __("Tag cloud"),
"goto_prefs" => __("Preferences")),
__("Other") => array(
"create_label" => __("Create label"),
"create_filter" => __("Create filter"),
"collapse_sidebar" => __("Un/collapse sidebar"),
"help_dialog" => __("Show help dialog"))
);
foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_INFO) as $plugin) {
$hotkeys = $plugin->hook_hotkey_info($hotkeys);
}
return $hotkeys;
}
function get_hotkeys_map() {
$hotkeys = array(
// "navigation" => array(
"k" => "next_feed",
"j" => "prev_feed",
"n" => "next_article",
"p" => "prev_article",
"(38)|up" => "prev_article",
"(40)|down" => "next_article",
// "^(38)|Ctrl-up" => "prev_article_noscroll",
// "^(40)|Ctrl-down" => "next_article_noscroll",
"(191)|/" => "search_dialog",
// "article" => array(
"s" => "toggle_mark",
"*s" => "toggle_publ",
"u" => "toggle_unread",
"*t" => "edit_tags",
"o" => "open_in_new_window",
"c p" => "catchup_below",
"c n" => "catchup_above",
"*n" => "article_scroll_down",
"*p" => "article_scroll_up",
"*(38)|Shift+up" => "article_scroll_up",
"*(40)|Shift+down" => "article_scroll_down",
"a *w" => "toggle_widescreen",
"a e" => "toggle_embed_original",
"e" => "email_article",
"a q" => "close_article",
// "article_selection" => array(
"a a" => "select_all",
"a u" => "select_unread",
"a *u" => "select_marked",
"a p" => "select_published",
"a i" => "select_invert",
"a n" => "select_none",
// "feed" => array(
"f r" => "feed_refresh",
"f a" => "feed_unhide_read",
"f s" => "feed_subscribe",
"f e" => "feed_edit",
"f q" => "feed_catchup",
"f x" => "feed_reverse",
"f g" => "feed_toggle_vgroup",
"f *d" => "feed_debug_update",
"f *g" => "feed_debug_viewfeed",
"f *c" => "toggle_combined_mode",
"f c" => "toggle_cdm_expanded",
"*q" => "catchup_all",
"x" => "cat_toggle_collapse",
// "goto" => array(
"g a" => "goto_all",
"g f" => "goto_fresh",
"g s" => "goto_marked",
"g p" => "goto_published",
"g t" => "goto_tagcloud",
"g *p" => "goto_prefs",
// "other" => array(
"(9)|Tab" => "select_article_cursor", // tab
"c l" => "create_label",
"c f" => "create_filter",
"c s" => "collapse_sidebar",
"^(191)|Ctrl+/" => "help_dialog",
);
if (get_pref('COMBINED_DISPLAY_MODE')) {
$hotkeys["^(38)|Ctrl-up"] = "prev_article_noscroll";
$hotkeys["^(40)|Ctrl-down"] = "next_article_noscroll";
}
foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_MAP) as $plugin) {
$hotkeys = $plugin->hook_hotkey_map($hotkeys);
}
$prefixes = array();
foreach (array_keys($hotkeys) as $hotkey) {
$pair = explode(" ", $hotkey, 2);
if (count($pair) > 1 && !in_array($pair[0], $prefixes)) {
array_push($prefixes, $pair[0]);
}
}
return array($prefixes, $hotkeys);
}
function check_for_update() {
if (defined("GIT_VERSION_TIMESTAMP")) {
$content = @fetch_file_contents(array("url" => "http://tt-rss.org/version.json", "timeout" => 5));
if ($content) {
$content = json_decode($content, true);
if ($content && isset($content["changeset"])) {
if ((int)GIT_VERSION_TIMESTAMP < (int)$content["changeset"]["timestamp"] &&
GIT_VERSION_HEAD != $content["changeset"]["id"]) {
return $content["changeset"]["id"];
}
}
}
}
return "";
}
function make_runtime_info($disable_update_check = false) {
$data = array();
$result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
$max_feed_id = db_fetch_result($result, 0, "mid");
$num_feeds = db_fetch_result($result, 0, "nf");
$data["max_feed_id"] = (int) $max_feed_id;
$data["num_feeds"] = (int) $num_feeds;
$data['last_article_id'] = getLastArticleId();
$data['cdm_expanded'] = get_pref('CDM_EXPANDED');
$data['dep_ts'] = calculate_dep_timestamp();
$data['reload_on_ts_change'] = !defined('_NO_RELOAD_ON_TS_CHANGE');
if (CHECK_FOR_UPDATES && !$disable_update_check && $_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
$update_result = @check_for_update();
$data["update_result"] = $update_result;
$_SESSION["last_version_check"] = time();
}
if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
$data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
if (time() - $_SESSION["daemon_stamp_check"] > 30) {
$stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
if ($stamp) {
$stamp_delta = time() - $stamp;
if ($stamp_delta > 1800) {
$stamp_check = 0;
} else {
$stamp_check = 1;
$_SESSION["daemon_stamp_check"] = time();
}
$data['daemon_stamp_ok'] = $stamp_check;
$stamp_fmt = date("Y.m.d, G:i", $stamp);
$data['daemon_stamp'] = $stamp_fmt;
}
}
}
return $data;
}
function search_to_sql($search, $search_language) {
$keywords = str_getcsv(trim($search), " ");
$query_keywords = array();
$search_words = array();
$search_query_leftover = array();
if ($search_language)
$search_language = db_escape_string(mb_strtolower($search_language));
else
$search_language = "english";
foreach ($keywords as $k) {
if (strpos($k, "-") === 0) {
$k = substr($k, 1);
$not = "NOT";
} else {
$not = "";
}
$commandpair = explode(":", mb_strtolower($k), 2);
switch ($commandpair[0]) {
case "title":
if ($commandpair[1]) {
array_push($query_keywords, "($not (LOWER(ttrss_entries.title) LIKE '%".
db_escape_string(mb_strtolower($commandpair[1]))."%'))");
} else {
array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
array_push($search_words, $k);
}
break;
case "author":
if ($commandpair[1]) {
array_push($query_keywords, "($not (LOWER(author) LIKE '%".
db_escape_string(mb_strtolower($commandpair[1]))."%'))");
} else {
array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
array_push($search_words, $k);
}
break;
case "note":
if ($commandpair[1]) {
if ($commandpair[1] == "true")
array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
else if ($commandpair[1] == "false")
array_push($query_keywords, "($not (note IS NULL OR note = ''))");
else
array_push($query_keywords, "($not (LOWER(note) LIKE '%".
db_escape_string(mb_strtolower($commandpair[1]))."%'))");
} else {
array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
if (!$not) array_push($search_words, $k);
}
break;
case "star":
if ($commandpair[1]) {
if ($commandpair[1] == "true")
array_push($query_keywords, "($not (marked = true))");
else
array_push($query_keywords, "($not (marked = false))");
} else {
array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
if (!$not) array_push($search_words, $k);
}
break;
case "pub":
if ($commandpair[1]) {
if ($commandpair[1] == "true")
array_push($query_keywords, "($not (published = true))");
else
array_push($query_keywords, "($not (published = false))");
} else {
array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
if (!$not) array_push($search_words, $k);
}
break;
case "unread":
if ($commandpair[1]) {
if ($commandpair[1] == "true")
array_push($query_keywords, "($not (unread = true))");
else
array_push($query_keywords, "($not (unread = false))");
} else {
array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
if (!$not) array_push($search_words, $k);
}
break;
default:
if (strpos($k, "@") === 0) {
$user_tz_string = get_pref('USER_TIMEZONE', $_SESSION['uid']);
$orig_ts = strtotime(substr($k, 1));
$k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
//$k = date("Y-m-d", strtotime(substr($k, 1)));
array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')");
} else {
if (DB_TYPE == "pgsql") {
$k = mb_strtolower($k);
array_push($search_query_leftover, $not ? "!$k" : $k);
} else {
array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
}
if (!$not) array_push($search_words, $k);
}
}
}
if (count($search_query_leftover) > 0) {
$search_query_leftover = db_escape_string(implode(" & ", $search_query_leftover));
if (DB_TYPE == "pgsql") {
array_push($query_keywords,
"(tsvector_combined @@ to_tsquery('$search_language', '$search_query_leftover'))");
}
}
$search_query_part = implode("AND", $query_keywords);
return array($search_query_part, $search_words);
}
function getParentCategories($cat, $owner_uid) {
$rv = array();
$result = db_query("SELECT parent_cat FROM ttrss_feed_categories
WHERE id = '$cat' AND parent_cat IS NOT NULL AND owner_uid = $owner_uid");
while ($line = db_fetch_assoc($result)) {
array_push($rv, $line["parent_cat"]);
$rv = array_merge($rv, getParentCategories($line["parent_cat"], $owner_uid));
}
return $rv;
}
function getChildCategories($cat, $owner_uid) {
$rv = array();
$result = db_query("SELECT id FROM ttrss_feed_categories
WHERE parent_cat = '$cat' AND owner_uid = $owner_uid");
while ($line = db_fetch_assoc($result)) {
array_push($rv, $line["id"]);
$rv = array_merge($rv, getChildCategories($line["id"], $owner_uid));
}
return $rv;
}
function queryFeedHeadlines($params) {
$feed = $params["feed"];
$limit = isset($params["limit"]) ? $params["limit"] : 30;
$view_mode = $params["view_mode"];
$cat_view = isset($params["cat_view"]) ? $params["cat_view"] : false;
$search = isset($params["search"]) ? $params["search"] : false;
$search_language = isset($params["search_language"]) ? $params["search_language"] : "";
$override_order = isset($params["override_order"]) ? $params["override_order"] : false;
$offset = isset($params["offset"]) ? $params["offset"] : 0;
$owner_uid = isset($params["owner_uid"]) ? $params["owner_uid"] : $_SESSION["uid"];
$since_id = isset($params["since_id"]) ? $params["since_id"] : 0;
$include_children = isset($params["include_children"]) ? $params["include_children"] : false;
$ignore_vfeed_group = isset($params["ignore_vfeed_group"]) ? $params["ignore_vfeed_group"] : false;
$override_strategy = isset($params["override_strategy"]) ? $params["override_strategy"] : false;
$override_vfeed = isset($params["override_vfeed"]) ? $params["override_vfeed"] : false;
$start_ts = isset($params["start_ts"]) ? $params["start_ts"] : false;
$check_first_id = isset($params["check_first_id"]) ? $params["check_first_id"] : false;
$skip_first_id_check = isset($params["skip_first_id_check"]) ? $params["skip_first_id_check"] : false;
$ext_tables_part = "";
$query_strategy_part = "";
$search_words = array();
if ($search) {
foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SEARCH) as $plugin) {
list($search_query_part, $search_words) = $plugin->hook_search($search);
break;
}
// fall back in case of no plugins
if (!$search_query_part) {
list($search_query_part, $search_words) = search_to_sql($search, $search_language);
}
$search_query_part .= " AND ";
} else {
$search_query_part = "";
}
if ($since_id) {
$since_id_part = "ttrss_entries.id > $since_id AND ";
} else {
$since_id_part = "";
}
$view_query_part = "";
if ($view_mode == "adaptive") {
if ($search) {
$view_query_part = " ";
} else if ($feed != -1) {
$unread = getFeedUnread($feed, $cat_view);
if ($cat_view && $feed > 0 && $include_children)
$unread += getCategoryChildrenUnread($feed);
if ($unread > 0) {
$view_query_part = " unread = true AND ";
}
}
}
if ($view_mode == "marked") {
$view_query_part = " marked = true AND ";
}
if ($view_mode == "has_note") {
$view_query_part = " (note IS NOT NULL AND note != '') AND ";
}
if ($view_mode == "published") {
$view_query_part = " published = true AND ";
}
if ($view_mode == "unread" && $feed != -6) {
$view_query_part = " unread = true AND ";
}
if ($limit > 0) {
$limit_query_part = "LIMIT " . $limit;
}
$allow_archived = false;
$vfeed_query_part = "";
/* tags */
if (!is_numeric($feed)) {
$query_strategy_part = "true";
$vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
id = feed_id) as feed_title,";
} else if ($feed > 0) {
if ($cat_view) {
if ($feed > 0) {
if ($include_children) {
# sub-cats
$subcats = getChildCategories($feed, $owner_uid);
array_push($subcats, $feed);
$query_strategy_part = "cat_id IN (".
implode(",", $subcats).")";
} else {
$query_strategy_part = "cat_id = '$feed'";
}
} else {
$query_strategy_part = "cat_id IS NULL";
}
$vfeed_query_part = "ttrss_feeds.title AS feed_title,";
} else {
$query_strategy_part = "feed_id = '$feed'";
}
} else if ($feed == 0 && !$cat_view) { // archive virtual feed
$query_strategy_part = "feed_id IS NULL";
$allow_archived = true;
} else if ($feed == 0 && $cat_view) { // uncategorized
$query_strategy_part = "cat_id IS NULL AND feed_id IS NOT NULL";
$vfeed_query_part = "ttrss_feeds.title AS feed_title,";
} else if ($feed == -1) { // starred virtual feed
$query_strategy_part = "marked = true";
$vfeed_query_part = "ttrss_feeds.title AS feed_title,";
$allow_archived = true;
if (!$override_order) {
$override_order = "last_marked DESC, date_entered DESC, updated DESC";
}
} else if ($feed == -2) { // published virtual feed OR labels category
if (!$cat_view) {
$query_strategy_part = "published = true";
$vfeed_query_part = "ttrss_feeds.title AS feed_title,";
$allow_archived = true;
if (!$override_order) {
$override_order = "last_published DESC, date_entered DESC, updated DESC";
}
} else {
$vfeed_query_part = "ttrss_feeds.title AS feed_title,";
$ext_tables_part = "ttrss_labels2,ttrss_user_labels2,";
$query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
ttrss_user_labels2.article_id = ref_id";
}
} else if ($feed == -6) { // recently read
$query_strategy_part = "unread = false AND last_read IS NOT NULL";
if (DB_TYPE == "pgsql") {
$query_strategy_part .= " AND last_read > NOW() - INTERVAL '1 DAY' ";
} else {
$query_strategy_part .= " AND last_read > DATE_SUB(NOW(), INTERVAL 1 DAY) ";
}
$vfeed_query_part = "ttrss_feeds.title AS feed_title,";
$allow_archived = true;
$ignore_vfeed_group = true;
if (!$override_order) $override_order = "last_read DESC";
} else if ($feed == -3) { // fresh virtual feed
$query_strategy_part = "unread = true AND score >= 0";
$intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
if (DB_TYPE == "pgsql") {
$query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
} else {
$query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
}
$vfeed_query_part = "ttrss_feeds.title AS feed_title,";
} else if ($feed == -4) { // all articles virtual feed
$allow_archived = true;
$query_strategy_part = "true";
$vfeed_query_part = "ttrss_feeds.title AS feed_title,";
} else if ($feed <= LABEL_BASE_INDEX) { // labels
$label_id = feed_to_label_id($feed);
$query_strategy_part = "label_id = '$label_id' AND
ttrss_labels2.id = ttrss_user_labels2.label_id AND
ttrss_user_labels2.article_id = ref_id";
$vfeed_query_part = "ttrss_feeds.title AS feed_title,";
$ext_tables_part = "ttrss_labels2,ttrss_user_labels2,";
$allow_archived = true;
} else {
$query_strategy_part = "true";
}
$order_by = "score DESC, date_entered DESC, updated DESC";
if ($override_order) {
$order_by = $override_order;
}
if ($override_strategy) {
$query_strategy_part = $override_strategy;
}
if ($override_vfeed) {
$vfeed_query_part = $override_vfeed;
}
$feed_title = "";
if ($search) {
$feed_title = T_sprintf("Search results: %s", $search);
} else {
if ($cat_view) {
$feed_title = getCategoryTitle($feed);
} else {
if (is_numeric($feed) && $feed > 0) {
$result = db_query("SELECT title,site_url,last_error,last_updated
FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
$feed_title = db_fetch_result($result, 0, "title");
$feed_site_url = db_fetch_result($result, 0, "site_url");
$last_error = db_fetch_result($result, 0, "last_error");
$last_updated = db_fetch_result($result, 0, "last_updated");
} else {
$feed_title = getFeedTitle($feed);
}
}
}
$content_query_part = "content, ";
if ($limit_query_part) {
$offset_query_part = "OFFSET $offset";
} else {
$offset_query_part = "";
}
if (is_numeric($feed)) {
// proper override_order applied above
if ($vfeed_query_part && !$ignore_vfeed_group && get_pref('VFEED_GROUP_BY_FEED', $owner_uid)) {
if (!$override_order) {
$order_by = "ttrss_feeds.title, $order_by";
} else {
$order_by = "ttrss_feeds.title, $override_order";
}
}
if (!$allow_archived) {
$from_qpart = "${ext_tables_part}ttrss_entries LEFT JOIN ttrss_user_entries ON (ref_id = ttrss_entries.id),ttrss_feeds";
$feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
} else {
$from_qpart = "${ext_tables_part}ttrss_entries LEFT JOIN ttrss_user_entries ON (ref_id = ttrss_entries.id)
LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
}
if ($vfeed_query_part) $vfeed_query_part .= "favicon_avg_color,";
if ($start_ts) {
$start_ts_formatted = date("Y/m/d H:i:s", strtotime($start_ts));
$start_ts_query_part = "date_entered >= '$start_ts_formatted' AND";
} else {
$start_ts_query_part = "";
}
$first_id = 0;
$first_id_query_strategy_part = $query_strategy_part;
if ($feed == -3)
$first_id_query_strategy_part = "true";
if (DB_TYPE == "pgsql") {
$sanity_interval_qpart = "date_entered >= NOW() - INTERVAL '1 hour' AND";
} else {
$sanity_interval_qpart = "date_entered >= DATE_SUB(NOW(), INTERVAL 1 hour) AND";
}
if (!$search && !$skip_first_id_check) {
// if previous topmost article id changed that means our current pagination is no longer valid
$query = "SELECT DISTINCT
ttrss_feeds.title,
date_entered,
guid,
ttrss_entries.id,
ttrss_entries.title,
updated,
score,
marked,
published,
last_marked,
last_published,
last_read
FROM
$from_qpart
WHERE
$feed_check_qpart
ttrss_user_entries.owner_uid = '$owner_uid' AND
$search_query_part
$start_ts_query_part
$since_id_part
$sanity_interval_qpart
$first_id_query_strategy_part ORDER BY $order_by LIMIT 1";
if ($_REQUEST["debug"]) {
print $query;
}
$result = db_query($query);
if ($result && db_num_rows($result) > 0) {
$first_id = (int)db_fetch_result($result, 0, "id");
if ($offset > 0 && $first_id && $check_first_id && $first_id != $check_first_id) {
return array(-1, $feed_title, $feed_site_url, $last_error, $last_updated, $search_words, $first_id);
}
}
}
$query = "SELECT DISTINCT
date_entered,
guid,
ttrss_entries.id,ttrss_entries.title,
updated,
label_cache,
tag_cache,
always_display_enclosures,
site_url,
note,
num_comments,
comments,
int_id,
uuid,
lang,
hide_images,
unread,feed_id,marked,published,link,last_read,orig_feed_id,
last_marked, last_published,
$vfeed_query_part
$content_query_part
author,score
FROM
$from_qpart
WHERE
$feed_check_qpart
ttrss_user_entries.owner_uid = '$owner_uid' AND
$search_query_part
$start_ts_query_part
$view_query_part
$since_id_part
$query_strategy_part ORDER BY $order_by
$limit_query_part $offset_query_part";
if ($_REQUEST["debug"]) print $query;
$result = db_query($query);
} else {
// browsing by tag
$query = "SELECT DISTINCT
date_entered,
guid,
note,
ttrss_entries.id as id,
title,
updated,
unread,
feed_id,
orig_feed_id,
marked,
num_comments,
comments,
int_id,
tag_cache,
label_cache,
link,
lang,
uuid,
last_read,
(SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) AS hide_images,
last_marked, last_published,
$since_id_part
$vfeed_query_part
$content_query_part
author, score
FROM ttrss_entries, ttrss_user_entries, ttrss_tags
WHERE
ref_id = ttrss_entries.id AND
ttrss_user_entries.owner_uid = $owner_uid AND
post_int_id = int_id AND
tag_name = '$feed' AND
$view_query_part
$search_query_part
$query_strategy_part ORDER BY $order_by
$limit_query_part $offset_query_part";
if ($_REQUEST["debug"]) print $query;
$result = db_query($query);
}
return array($result, $feed_title, $feed_site_url, $last_error, $last_updated, $search_words, $first_id);
}
function iframe_whitelisted($entry) {
$whitelist = array("youtube.com", "youtu.be", "vimeo.com", "player.vimeo.com");
@$src = parse_url($entry->getAttribute("src"), PHP_URL_HOST);
if ($src) {
foreach ($whitelist as $w) {
if ($src == $w || $src == "www.$w")
return true;
}
}
return false;
}
function sanitize($str, $force_remove_images = false, $owner = false, $site_url = false, $highlight_words = false, $article_id = false) {
if (!$owner) $owner = $_SESSION["uid"];
$res = trim($str); if (!$res) return '';
$charset_hack = '<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
</head>';
$res = trim($res); if (!$res) return '';
libxml_use_internal_errors(true);
$doc = new DOMDocument();
$doc->loadHTML($charset_hack . $res);
$xpath = new DOMXPath($doc);
$ttrss_uses_https = parse_url(get_self_url_prefix(), PHP_URL_SCHEME) === 'https';
$rewrite_base_url = $site_url ? $site_url : SELF_URL_PATH;
$entries = $xpath->query('(//a[@href]|//img[@src]|//video/source[@src]|//audio/source[@src])');
foreach ($entries as $entry) {
if ($entry->hasAttribute('href')) {
$entry->setAttribute('href',
rewrite_relative_url($rewrite_base_url, $entry->getAttribute('href')));
$entry->setAttribute('rel', 'noopener noreferrer');
}
if ($entry->hasAttribute('src')) {
$src = rewrite_relative_url($rewrite_base_url, $entry->getAttribute('src'));
$cached_filename = CACHE_DIR . '/images/' . sha1($src);
if (file_exists($cached_filename)) {
// this is strictly cosmetic
if ($entry->tagName == 'img') {
$suffix = ".png";
} else if ($entry->parentNode && $entry->parentNode->tagName == "video") {
$suffix = ".mp4";
} else if ($entry->parentNode && $entry->parentNode->tagName == "audio") {
$suffix = ".ogg";
} else {
$suffix = "";
}
$src = get_self_url_prefix() . '/public.php?op=cached_url&hash=' . sha1($src) . $suffix;
if ($entry->hasAttribute('srcset')) {
$entry->removeAttribute('srcset');
}
if ($entry->hasAttribute('sizes')) {
$entry->removeAttribute('sizes');
}
}
$entry->setAttribute('src', $src);
}
if ($entry->nodeName == 'img') {
if ($entry->hasAttribute('src')) {
$is_https_url = parse_url($entry->getAttribute('src'), PHP_URL_SCHEME) === 'https';
if ($ttrss_uses_https && !$is_https_url) {
if ($entry->hasAttribute('srcset')) {
$entry->removeAttribute('srcset');
}
if ($entry->hasAttribute('sizes')) {
$entry->removeAttribute('sizes');
}
}
}
if (($owner && get_pref("STRIP_IMAGES", $owner)) ||
$force_remove_images || $_SESSION["bw_limit"]) {
$p = $doc->createElement('p');
$a = $doc->createElement('a');
$a->setAttribute('href', $entry->getAttribute('src'));
$a->appendChild(new DOMText($entry->getAttribute('src')));
$a->setAttribute('target', '_blank');
$a->setAttribute('rel', 'noopener noreferrer');
$p->appendChild($a);
$entry->parentNode->replaceChild($p, $entry);
}
}
if (strtolower($entry->nodeName) == "a") {
$entry->setAttribute("target", "_blank");
$entry->setAttribute("rel", "noopener noreferrer");
}
}
$entries = $xpath->query('//iframe');
foreach ($entries as $entry) {
if (!iframe_whitelisted($entry)) {
$entry->setAttribute('sandbox', 'allow-scripts');
} else {
if ($_SERVER['HTTPS'] == "on") {
$entry->setAttribute("src",
str_replace("http://", "https://",
$entry->getAttribute("src")));
}
}
}
$allowed_elements = array('a', 'address', 'acronym', 'audio', 'article', 'aside',
'b', 'bdi', 'bdo', 'big', 'blockquote', 'body', 'br',
'caption', 'cite', 'center', 'code', 'col', 'colgroup',
'data', 'dd', 'del', 'details', 'description', 'dfn', 'div', 'dl', 'font',
'dt', 'em', 'footer', 'figure', 'figcaption',
'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'html', 'i',
'img', 'ins', 'kbd', 'li', 'main', 'mark', 'nav', 'noscript',
'ol', 'p', 'pre', 'q', 'ruby', 'rp', 'rt', 's', 'samp', 'section',
'small', 'source', 'span', 'strike', 'strong', 'sub', 'summary',
'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'time',
'tr', 'track', 'tt', 'u', 'ul', 'var', 'wbr', 'video', 'xml:namespace' );
if ($_SESSION['hasSandbox']) $allowed_elements[] = 'iframe';
$disallowed_attributes = array('id', 'style', 'class');
foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SANITIZE) as $plugin) {
$retval = $plugin->hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes, $article_id);
if (is_array($retval)) {
$doc = $retval[0];
$allowed_elements = $retval[1];
$disallowed_attributes = $retval[2];
} else {
$doc = $retval;
}
}
$doc->removeChild($doc->firstChild); //remove doctype
$doc = strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes);
if ($highlight_words) {
foreach ($highlight_words as $word) {
// http://stackoverflow.com/questions/4081372/highlight-keywords-in-a-paragraph
$elements = $xpath->query("//*/text()");
foreach ($elements as $child) {
$fragment = $doc->createDocumentFragment();
$text = $child->textContent;
while (($pos = mb_stripos($text, $word)) !== false) {
$fragment->appendChild(new DomText(mb_substr($text, 0, $pos)));
$word = mb_substr($text, $pos, mb_strlen($word));
$highlight = $doc->createElement('span');
$highlight->appendChild(new DomText($word));
$highlight->setAttribute('class', 'highlight');
$fragment->appendChild($highlight);
$text = mb_substr($text, $pos + mb_strlen($word));
}
if (!empty($text)) $fragment->appendChild(new DomText($text));
$child->parentNode->replaceChild($fragment, $child);
}
}
}
$res = $doc->saveHTML();
/* strip everything outside of <body>...</body> */
$res_frag = array();
if (preg_match('/<body>(.*)<\/body>/is', $res, $res_frag)) {
return $res_frag[1];
} else {
return $res;
}
}
function strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes) {
$xpath = new DOMXPath($doc);
$entries = $xpath->query('//*');
foreach ($entries as $entry) {
if (!in_array($entry->nodeName, $allowed_elements)) {
$entry->parentNode->removeChild($entry);
}
if ($entry->hasAttributes()) {
$attrs_to_remove = array();
foreach ($entry->attributes as $attr) {
if (strpos($attr->nodeName, 'on') === 0) {
array_push($attrs_to_remove, $attr);
}
if ($attr->nodeName == 'href' && stripos($attr->value, 'javascript:') === 0) {
array_push($attrs_to_remove, $attr);
}
if (in_array($attr->nodeName, $disallowed_attributes)) {
array_push($attrs_to_remove, $attr);
}
}
foreach ($attrs_to_remove as $attr) {
$entry->removeAttributeNode($attr);
}
}
}
return $doc;
}
function catchupArticlesById($ids, $cmode, $owner_uid = false) {
if (!$owner_uid) $owner_uid = $_SESSION["uid"];
if (count($ids) == 0) return;
$tmp_ids = array();
foreach ($ids as $id) {
array_push($tmp_ids, "ref_id = '$id'");
}
$ids_qpart = join(" OR ", $tmp_ids);
if ($cmode == 0) {
db_query("UPDATE ttrss_user_entries SET
unread = false,last_read = NOW()
WHERE ($ids_qpart) AND owner_uid = $owner_uid");
} else if ($cmode == 1) {
db_query("UPDATE ttrss_user_entries SET
unread = true
WHERE ($ids_qpart) AND owner_uid = $owner_uid");
} else {
db_query("UPDATE ttrss_user_entries SET
unread = NOT unread,last_read = NOW()
WHERE ($ids_qpart) AND owner_uid = $owner_uid");
}
/* update ccache */
$result = db_query("SELECT DISTINCT feed_id FROM ttrss_user_entries
WHERE ($ids_qpart) AND owner_uid = $owner_uid");
while ($line = db_fetch_assoc($result)) {
ccache_update($line["feed_id"], $owner_uid);
}
}
function get_article_tags($id, $owner_uid = 0, $tag_cache = false) {
$a_id = db_escape_string($id);
if (!$owner_uid) $owner_uid = $_SESSION["uid"];
$query = "SELECT DISTINCT tag_name,
owner_uid as owner FROM
ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
$tags = array();
/* check cache first */
if ($tag_cache === false) {
$result = db_query("SELECT tag_cache FROM ttrss_user_entries
WHERE ref_id = '$id' AND owner_uid = $owner_uid");
if (db_num_rows($result) != 0)
$tag_cache = db_fetch_result($result, 0, "tag_cache");
}
if ($tag_cache) {
$tags = explode(",", $tag_cache);
} else {
/* do it the hard way */
$tmp_result = db_query($query);
while ($tmp_line = db_fetch_assoc($tmp_result)) {
array_push($tags, $tmp_line["tag_name"]);
}
/* update the cache */
$tags_str = db_escape_string(join(",", $tags));
db_query("UPDATE ttrss_user_entries
SET tag_cache = '$tags_str' WHERE ref_id = '$id'
AND owner_uid = $owner_uid");
}
return $tags;
}
function trim_array($array) {
$tmp = $array;
array_walk($tmp, 'trim');
return $tmp;
}
function tag_is_valid($tag) {
if ($tag == '') return false;
if (is_numeric($tag)) return false;
if (mb_strlen($tag) > 250) return false;
if (!$tag) return false;
return true;
}
function render_login_form() {
header('Cache-Control: public');
require_once "login_form.php";
exit;
}
function format_warning($msg, $id = "") {
return "<div class=\"alert\" id=\"$id\">$msg</div>";
}
function format_notice($msg, $id = "") {
return "<div class=\"alert alert-info\" id=\"$id\">$msg</div>";
}
function format_error($msg, $id = "") {
return "<div class=\"alert alert-danger\" id=\"$id\">$msg</div>";
}
function print_notice($msg) {
return print format_notice($msg);
}
function print_warning($msg) {
return print format_warning($msg);
}
function print_error($msg) {
return print format_error($msg);
}
function T_sprintf() {
$args = func_get_args();
return vsprintf(__(array_shift($args)), $args);
}
function format_inline_player($url, $ctype) {
$entry = "";
$url = htmlspecialchars($url);
if (strpos($ctype, "audio/") === 0) {
if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
$_SESSION["hasMp3"])) {
$entry .= "<audio preload=\"none\" controls>
<source type=\"$ctype\" src=\"$url\"/>
</audio>";
} else {
$entry .= "<object type=\"application/x-shockwave-flash\"
data=\"lib/button/musicplayer.swf?song_url=$url\"
width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
<param name=\"movie\"
value=\"lib/button/musicplayer.swf?song_url=$url\" />
</object>";
}
if ($entry) $entry .= "&nbsp; <a target=\"_blank\" rel=\"noopener noreferrer\"
href=\"$url\">" . basename($url) . "</a>";
return $entry;
}
return "";
/* $filename = substr($url, strrpos($url, "/")+1);
$entry .= " <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"" . htmlspecialchars($url) . "\">" .
$filename . " (" . $ctype . ")" . "</a>"; */
}
function format_article($id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
if (!$owner_uid) $owner_uid = $_SESSION["uid"];
$rv = array();
$rv['id'] = $id;
/* we can figure out feed_id from article id anyway, why do we
* pass feed_id here? let's ignore the argument :(*/
$result = db_query("SELECT feed_id FROM ttrss_user_entries
WHERE ref_id = '$id'");
$feed_id = (int) db_fetch_result($result, 0, "feed_id");
$rv['feed_id'] = $feed_id;
//if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
if ($mark_as_read) {
$result = db_query("UPDATE ttrss_user_entries
SET unread = false,last_read = NOW()
WHERE ref_id = '$id' AND owner_uid = $owner_uid");
ccache_update($feed_id, $owner_uid);
}
$result = db_query("SELECT id,title,link,content,feed_id,comments,int_id,lang,
".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
(SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
(SELECT title FROM ttrss_feeds WHERE id = feed_id) as feed_title,
(SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) as hide_images,
(SELECT always_display_enclosures FROM ttrss_feeds WHERE id = feed_id) as always_display_enclosures,
num_comments,
tag_cache,
author,
guid,
orig_feed_id,
note
FROM ttrss_entries,ttrss_user_entries
WHERE id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
if ($result) {
$line = db_fetch_assoc($result);
$line["tags"] = get_article_tags($id, $owner_uid, $line["tag_cache"]);
unset($line["tag_cache"]);
$line["content"] = sanitize($line["content"],
sql_bool_to_bool($line['hide_images']),
$owner_uid, $line["site_url"], false, $line["id"]);
foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE) as $p) {
$line = $p->hook_render_article($line);
}
$num_comments = (int) $line["num_comments"];
$entry_comments = "";
if ($num_comments > 0) {
if ($line["comments"]) {
$comments_url = htmlspecialchars($line["comments"]);
} else {
$comments_url = htmlspecialchars($line["link"]);
}
$entry_comments = "<a class=\"postComments\"
target='_blank' rel=\"noopener noreferrer\" href=\"$comments_url\">$num_comments ".
_ngettext("comment", "comments", $num_comments)."</a>";
} else {
if ($line["comments"] && $line["link"] != $line["comments"]) {
$entry_comments = "<a class=\"postComments\" target='_blank' rel=\"noopener noreferrer\" href=\"".htmlspecialchars($line["comments"])."\">".__("comments")."</a>";
}
}
if ($zoom_mode) {
header("Content-Type: text/html");
$rv['content'] .= "<html><head>
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
<title>Tiny Tiny RSS - ".$line["title"]."</title>".
stylesheet_tag("css/tt-rss.css").
stylesheet_tag("css/zoom.css").
stylesheet_tag("css/dijit.css")."
<link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
<link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">
</head><body id=\"ttrssZoom\">";
}
$rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
$rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-$id\">";
$entry_author = $line["author"];
if ($entry_author) {
$entry_author = __(" - ") . $entry_author;
}
$parsed_updated = make_local_datetime($line["updated"], true,
$owner_uid, true);
if (!$zoom_mode)
$rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
if ($line["link"]) {
$rv['content'] .= "<div class='postTitle'><a target='_blank' rel='noopener noreferrer'
title=\"".htmlspecialchars($line['title'])."\"
href=\"" .
htmlspecialchars($line["link"]) . "\">" .
$line["title"] . "</a>" .
"<span class='author'>$entry_author</span></div>";
} else {
$rv['content'] .= "<div class='postTitle'>" . $line["title"] . "$entry_author</div>";
}
if ($zoom_mode) {
$feed_title = htmlspecialchars($line["feed_title"]);
$rv['content'] .= "<div class=\"postFeedTitle\">$feed_title</div>";
$rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
}
$tags_str = format_tags_string($line["tags"], $id);
$tags_str_full = join(", ", $line["tags"]);
if (!$tags_str_full) $tags_str_full = __("no tags");
if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
$rv['content'] .= "<div class='postTags' style='float : right'>
<img src='images/tag.png'
class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
if (!$zoom_mode) {
$rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
<a title=\"".__('Edit tags for this article')."\"
href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
$rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
position=\"below\">$tags_str_full</div>";
foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_BUTTON) as $p) {
$rv['content'] .= $p->hook_article_button($line);
}
} else {
$tags_str = strip_tags($tags_str);
$rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
}
$rv['content'] .= "</div>";
$rv['content'] .= "<div clear='both'>";
foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_LEFT_BUTTON) as $p) {
$rv['content'] .= $p->hook_article_left_button($line);
}
$rv['content'] .= "$entry_comments</div>";
if ($line["orig_feed_id"]) {
$tmp_result = db_query("SELECT * FROM ttrss_archived_feeds
WHERE id = ".$line["orig_feed_id"] . " AND owner_uid = " . $_SESSION["uid"]);
if (db_num_rows($tmp_result) != 0) {
$rv['content'] .= "<div clear='both'>";
$rv['content'] .= __("Originally from:");
$rv['content'] .= "&nbsp;";
$tmp_line = db_fetch_assoc($tmp_result);
$rv['content'] .= "<a target='_blank' rel='noopener noreferrer'
href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
$tmp_line['title'] . "</a>";
$rv['content'] .= "&nbsp;";
$rv['content'] .= "<a target='_blank' rel='noopener noreferrer' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
$rv['content'] .= "<img title='".__('Feed URL')."' class='tinyFeedIcon' src='images/pub_set.png'></a>";
$rv['content'] .= "</div>";
}
}
$rv['content'] .= "</div>";
$rv['content'] .= "<div id=\"POSTNOTE-$id\">";
if ($line['note']) {
$rv['content'] .= format_article_note($id, $line['note'], !$zoom_mode);
}
$rv['content'] .= "</div>";
if (!$line['lang']) $line['lang'] = 'en';
$rv['content'] .= "<div class=\"postContent\" lang=\"".$line['lang']."\">";
$rv['content'] .= $line["content"];
if (!$zoom_mode) {
$rv['content'] .= format_article_enclosures($id,
sql_bool_to_bool($line["always_display_enclosures"]),
$line["content"],
sql_bool_to_bool($line["hide_images"]));
}
$rv['content'] .= "</div>";
$rv['content'] .= "</div>";
}
if ($zoom_mode) {
$rv['content'] .= "
<div class='footer'>
<button onclick=\"return window.close()\">".
__("Close this window")."</button></div>";
$rv['content'] .= "</body></html>";
}
return $rv;
}
function print_checkpoint($n, $s) {
$ts = microtime(true);
echo sprintf("<!-- CP[$n] %.4f seconds -->\n", $ts - $s);
return $ts;
}
function sanitize_tag($tag) {
$tag = trim($tag);
$tag = mb_strtolower($tag, 'utf-8');
$tag = preg_replace('/[,\'\"\+\>\<]/', "", $tag);
if (DB_TYPE == "mysql") {
$tag = preg_replace('/[\x{10000}-\x{10FFFF}]/u', "\xEF\xBF\xBD", $tag);
}
return $tag;
}
function get_self_url_prefix() {
if (strrpos(SELF_URL_PATH, "/") === strlen(SELF_URL_PATH)-1) {
return substr(SELF_URL_PATH, 0, strlen(SELF_URL_PATH)-1);
} else {
return SELF_URL_PATH;
}
}
/**
* Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
*
* @return string The Mozilla Firefox feed adding URL.
*/
function add_feed_url() {
//$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' : 'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
$url_path = get_self_url_prefix() .
"/public.php?op=subscribe&feed_url=%s";
return $url_path;
} // function add_feed_url
function encrypt_password($pass, $salt = '', $mode2 = false) {
if ($salt && $mode2) {
return "MODE2:" . hash('sha256', $salt . $pass);
} else if ($salt) {
return "SHA1X:" . sha1("$salt:$pass");
} else {
return "SHA1:" . sha1($pass);
}
} // function encrypt_password
function load_filters($feed_id, $owner_uid, $action_id = false) {
$filters = array();
$cat_id = (int)getFeedCategory($feed_id);
if ($cat_id == 0)
$null_cat_qpart = "cat_id IS NULL OR";
else
$null_cat_qpart = "";
$result = db_query("SELECT * FROM ttrss_filters2 WHERE
owner_uid = $owner_uid AND enabled = true ORDER BY order_id, title");
$check_cats = join(",", array_merge(
getParentCategories($cat_id, $owner_uid),
array($cat_id)));
while ($line = db_fetch_assoc($result)) {
$filter_id = $line["id"];
$result2 = db_query("SELECT
r.reg_exp, r.inverse, r.feed_id, r.cat_id, r.cat_filter, t.name AS type_name
FROM ttrss_filters2_rules AS r,
ttrss_filter_types AS t
WHERE
($null_cat_qpart (cat_id IS NULL AND cat_filter = false) OR cat_id IN ($check_cats)) AND
(feed_id IS NULL OR feed_id = '$feed_id') AND
filter_type = t.id AND filter_id = '$filter_id'");
$rules = array();
$actions = array();
while ($rule_line = db_fetch_assoc($result2)) {
# print_r($rule_line);
$rule = array();
$rule["reg_exp"] = $rule_line["reg_exp"];
$rule["type"] = $rule_line["type_name"];
$rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]);
array_push($rules, $rule);
}
$result2 = db_query("SELECT a.action_param,t.name AS type_name
FROM ttrss_filters2_actions AS a,
ttrss_filter_actions AS t
WHERE
action_id = t.id AND filter_id = '$filter_id'");
while ($action_line = db_fetch_assoc($result2)) {
# print_r($action_line);
$action = array();
$action["type"] = $action_line["type_name"];
$action["param"] = $action_line["action_param"];
array_push($actions, $action);
}
$filter = array();
$filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]);
$filter["inverse"] = sql_bool_to_bool($line["inverse"]);
$filter["rules"] = $rules;
$filter["actions"] = $actions;
if (count($rules) > 0 && count($actions) > 0) {
array_push($filters, $filter);
}
}
return $filters;
}
function get_score_pic($score) {
if ($score > 100) {
return "score_high.png";
} else if ($score > 0) {
return "score_half_high.png";
} else if ($score < -100) {
return "score_low.png";
} else if ($score < 0) {
return "score_half_low.png";
} else {
return "score_neutral.png";
}
}
function feed_has_icon($id) {
return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
}
function init_plugins() {
PluginHost::getInstance()->load(PLUGINS, PluginHost::KIND_ALL);
return true;
}
function format_tags_string($tags, $id) {
if (!is_array($tags) || count($tags) == 0) {
return __("no tags");
} else {
$maxtags = min(5, count($tags));
$tags_str = "";
for ($i = 0; $i < $maxtags; $i++) {
$tags_str .= "<a class=\"tag\" href=\"#\" onclick=\"viewfeed({feed:'".$tags[$i]."'})\">" . $tags[$i] . "</a>, ";
}
$tags_str = mb_substr($tags_str, 0, mb_strlen($tags_str)-2);
if (count($tags) > $maxtags)
$tags_str .= ", &hellip;";
return $tags_str;
}
}
function format_article_labels($labels, $id) {
if (!is_array($labels)) return '';
$labels_str = "";
foreach ($labels as $l) {
$labels_str .= sprintf("<span class='hlLabelRef'
style='color : %s; background-color : %s'>%s</span>",
$l[2], $l[3], $l[1]);
}
return $labels_str;
}
function format_article_note($id, $note, $allow_edit = true) {
$str = "<div class='articleNote' onclick=\"editArticleNote($id)\">
<div class='noteEdit' onclick=\"editArticleNote($id)\">".
($allow_edit ? __('(edit note)') : "")."</div>$note</div>";
return $str;
}
function get_feed_category($feed_cat, $parent_cat_id = false) {
if ($parent_cat_id) {
$parent_qpart = "parent_cat = '$parent_cat_id'";
$parent_insert = "'$parent_cat_id'";
} else {
$parent_qpart = "parent_cat IS NULL";
$parent_insert = "NULL";
}
$result = db_query(
"SELECT id FROM ttrss_feed_categories
WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
if (db_num_rows($result) == 0) {
return false;
} else {
return db_fetch_result($result, 0, "id");
}
}
function add_feed_category($feed_cat, $parent_cat_id = false) {
if (!$feed_cat) return false;
db_query("BEGIN");
if ($parent_cat_id) {
$parent_qpart = "parent_cat = '$parent_cat_id'";
$parent_insert = "'$parent_cat_id'";
} else {
$parent_qpart = "parent_cat IS NULL";
$parent_insert = "NULL";
}
$feed_cat = mb_substr($feed_cat, 0, 250);
$result = db_query(
"SELECT id FROM ttrss_feed_categories
WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
if (db_num_rows($result) == 0) {
$result = db_query(
"INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
VALUES ('".$_SESSION["uid"]."', '$feed_cat', $parent_insert)");
db_query("COMMIT");
return true;
}
return false;
}
function getArticleFeed($id) {
$result = db_query("SELECT feed_id FROM ttrss_user_entries
WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
if (db_num_rows($result) != 0) {
return db_fetch_result($result, 0, "feed_id");
} else {
return 0;
}
}
/**
* Fixes incomplete URLs by prepending "http://".
* Also replaces feed:// with http://, and
* prepends a trailing slash if the url is a domain name only.
*
* @param string $url Possibly incomplete URL
*
* @return string Fixed URL.
*/
function fix_url($url) {
// support schema-less urls
if (strpos($url, '//') === 0) {
$url = 'https:' . $url;
}
if (strpos($url, '://') === false) {
$url = 'http://' . $url;
} else if (substr($url, 0, 5) == 'feed:') {
$url = 'http:' . substr($url, 5);
}
//prepend slash if the URL has no slash in it
// "http://www.example" -> "http://www.example/"
if (strpos($url, '/', strpos($url, ':') + 3) === false) {
$url .= '/';
}
//convert IDNA hostname to punycode if possible
if (function_exists("idn_to_ascii")) {
$parts = parse_url($url);
if (mb_detect_encoding($parts['host']) != 'ASCII')
{
$parts['host'] = idn_to_ascii($parts['host']);
$url = build_url($parts);
}
}
if ($url != "http:///")
return $url;
else
return '';
}
function validate_feed_url($url) {
$parts = parse_url($url);
return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
}
function get_article_enclosures($id) {
$query = "SELECT * FROM ttrss_enclosures
WHERE post_id = '$id' AND content_url != ''";
$rv = array();
$result = db_query($query);
if (db_num_rows($result) > 0) {
while ($line = db_fetch_assoc($result)) {
if (file_exists(CACHE_DIR . '/images/' . sha1($line["content_url"]))) {
$line["content_url"] = get_self_url_prefix() . '/public.php?op=cached_url&hash=' . sha1($line["content_url"]);
}
array_push($rv, $line);
}
}
return $rv;
}
/* function save_email_address($email) {
// FIXME: implement persistent storage of emails
if (!$_SESSION['stored_emails'])
$_SESSION['stored_emails'] = array();
if (!in_array($email, $_SESSION['stored_emails']))
array_push($_SESSION['stored_emails'], $email);
} */
function get_feed_access_key($feed_id, $is_cat, $owner_uid = false) {
if (!$owner_uid) $owner_uid = $_SESSION["uid"];
$sql_is_cat = bool_to_sql_bool($is_cat);
$result = db_query("SELECT access_key FROM ttrss_access_keys
WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
AND owner_uid = " . $owner_uid);
if (db_num_rows($result) == 1) {
return db_fetch_result($result, 0, "access_key");
} else {
$key = db_escape_string(uniqid_short());
$result = db_query("INSERT INTO ttrss_access_keys
(access_key, feed_id, is_cat, owner_uid)
VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
return $key;
}
return false;
}
function get_feeds_from_html($url, $content)
{
$url = fix_url($url);
$baseUrl = substr($url, 0, strrpos($url, '/') + 1);
libxml_use_internal_errors(true);
$doc = new DOMDocument();
$doc->loadHTML($content);
$xpath = new DOMXPath($doc);
$entries = $xpath->query('/html/head/link[@rel="alternate" and '.
'(contains(@type,"rss") or contains(@type,"atom"))]|/html/head/link[@rel="feed"]');
$feedUrls = array();
foreach ($entries as $entry) {
if ($entry->hasAttribute('href')) {
$title = $entry->getAttribute('title');
if ($title == '') {
$title = $entry->getAttribute('type');
}
$feedUrl = rewrite_relative_url(
$baseUrl, $entry->getAttribute('href')
);
$feedUrls[$feedUrl] = $title;
}
}
return $feedUrls;
}
function is_html($content) {
return preg_match("/<html|DOCTYPE html/i", substr($content, 0, 100)) !== 0;
}
function url_is_html($url, $login = false, $pass = false) {
return is_html(fetch_file_contents($url, false, $login, $pass));
}
function print_label_select($name, $value, $attributes = "") {
$result = db_query("SELECT caption FROM ttrss_labels2
WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
"\" $attributes>";
while ($line = db_fetch_assoc($result)) {
$issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
print "<option value=\"".htmlspecialchars($line["caption"])."\"
$issel>" . htmlspecialchars($line["caption"]) . "</option>";
}
# print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
print "</select>";
}
function format_article_enclosures($id, $always_display_enclosures,
$article_content, $hide_images = false) {
$result = get_article_enclosures($id);
$rv = '';
foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_FORMAT_ENCLOSURES) as $plugin) {
$retval = $plugin->hook_format_enclosures($rv, $result, $id, $always_display_enclosures, $article_content, $hide_images);
if (is_array($retval)) {
$rv = $retval[0];
$result = $retval[1];
} else {
$rv = $retval;
}
}
unset($retval); // Unset to prevent breaking render if there are no HOOK_RENDER_ENCLOSURE hooks below.
if ($rv === '' && !empty($result)) {
$entries_html = array();
$entries = array();
$entries_inline = array();
foreach ($result as $line) {
foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ENCLOSURE_ENTRY) as $plugin) {
$line = $plugin->hook_enclosure_entry($line);
}
$url = $line["content_url"];
$ctype = $line["content_type"];
$title = $line["title"];
$width = $line["width"];
$height = $line["height"];
if (!$ctype) $ctype = __("unknown type");
//$filename = substr($url, strrpos($url, "/")+1);
$filename = basename($url);
$player = format_inline_player($url, $ctype);
if ($player) array_push($entries_inline, $player);
# $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\" rel=\"noopener noreferrer\">" .
# $filename . " (" . $ctype . ")" . "</a>";
$entry = "<div onclick=\"openUrlPopup('".htmlspecialchars($url)."')\"
dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
array_push($entries_html, $entry);
$entry = array();
$entry["type"] = $ctype;
$entry["filename"] = $filename;
$entry["url"] = $url;
$entry["title"] = $title;
$entry["width"] = $width;
$entry["height"] = $height;
array_push($entries, $entry);
}
if ($_SESSION['uid'] && !get_pref("STRIP_IMAGES") && !$_SESSION["bw_limit"]) {
if ($always_display_enclosures ||
!preg_match("/<img/i", $article_content)) {
foreach ($entries as $entry) {
foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ENCLOSURE) as $plugin)
$retval = $plugin->hook_render_enclosure($entry, $hide_images);
if ($retval) {
$rv .= $retval;
} else {
if (preg_match("/image/", $entry["type"])) {
if (!$hide_images) {
$encsize = '';
if ($entry['height'] > 0)
$encsize .= ' height="' . intval($entry['height']) . '"';
if ($entry['width'] > 0)
$encsize .= ' width="' . intval($entry['width']) . '"';
$rv .= "<p><img
alt=\"".htmlspecialchars($entry["filename"])."\"
src=\"" .htmlspecialchars($entry["url"]) . "\"
" . $encsize . " /></p>";
} else {
$rv .= "<p><a target=\"_blank\" rel=\"noopener noreferrer\"
href=\"".htmlspecialchars($entry["url"])."\"
>" .htmlspecialchars($entry["url"]) . "</a></p>";
}
if ($entry['title']) {
$rv.= "<div class=\"enclosure_title\">${entry['title']}</div>";
}
}
}
}
}
}
if (count($entries_inline) > 0) {
$rv .= "<hr clear='both'/>";
foreach ($entries_inline as $entry) { $rv .= $entry; };
$rv .= "<hr clear='both'/>";
}
$rv .= "<div class=\"attachments\" dojoType=\"dijit.form.DropDownButton\">".
"<span>" . __('Attachments')."</span>";
$rv .= "<div dojoType=\"dijit.Menu\" style=\"display: none;\">";
foreach ($entries as $entry) {
if ($entry["title"])
$title = " &mdash; " . truncate_string($entry["title"], 30);
else
$title = "";
if ($entry["filename"])
$filename = truncate_middle(htmlspecialchars($entry["filename"]), 60);
else
$filename = "";
$rv .= "<div onclick='openUrlPopup(\"".htmlspecialchars($entry["url"])."\")'
dojoType=\"dijit.MenuItem\">".$filename . $title."</div>";
};
$rv .= "</div>";
$rv .= "</div>";
}
return $rv;
}
function getLastArticleId() {
$result = db_query("SELECT ref_id AS id FROM ttrss_user_entries
WHERE owner_uid = " . $_SESSION["uid"] . " ORDER BY ref_id DESC LIMIT 1");
if (db_num_rows($result) == 1) {
return db_fetch_result($result, 0, "id");
} else {
return -1;
}
}
function build_url($parts) {
return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
}
function cleanup_url_path($path) {
$path = str_replace("/./", "/", $path);
$path = str_replace("//", "/", $path);
return $path;
}
/**
* Converts a (possibly) relative URL to a absolute one.
*
* @param string $url Base URL (i.e. from where the document is)
* @param string $rel_url Possibly relative URL in the document
*
* @return string Absolute URL
*/
function rewrite_relative_url($url, $rel_url) {
if (strpos($rel_url, "://") !== false) {
return $rel_url;
} else if (strpos($rel_url, "//") === 0) {
# protocol-relative URL (rare but they exist)
return $rel_url;
} else if (preg_match("/^[a-z]+:/i", $rel_url)) {
# magnet:, feed:, etc
return $rel_url;
} else if (strpos($rel_url, "/") === 0) {
$parts = parse_url($url);
$parts['path'] = $rel_url;
$parts['path'] = cleanup_url_path($parts['path']);
return build_url($parts);
} else {
$parts = parse_url($url);
if (!isset($parts['path'])) {
$parts['path'] = '/';
}
$dir = $parts['path'];
if (substr($dir, -1) !== '/') {
$dir = dirname($parts['path']);
$dir !== '/' && $dir .= '/';
}
$parts['path'] = $dir . $rel_url;
$parts['path'] = cleanup_url_path($parts['path']);
return build_url($parts);
}
}
function cleanup_tags($days = 14, $limit = 1000) {
if (DB_TYPE == "pgsql") {
$interval_query = "date_updated < NOW() - INTERVAL '$days days'";
} else if (DB_TYPE == "mysql") {
$interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
}
$tags_deleted = 0;
while ($limit > 0) {
$limit_part = 500;
$query = "SELECT ttrss_tags.id AS id
FROM ttrss_tags, ttrss_user_entries, ttrss_entries
WHERE post_int_id = int_id AND $interval_query AND
ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
$result = db_query($query);
$ids = array();
while ($line = db_fetch_assoc($result)) {
array_push($ids, $line['id']);
}
if (count($ids) > 0) {
$ids = join(",", $ids);
$tmp_result = db_query("DELETE FROM ttrss_tags WHERE id IN ($ids)");
$tags_deleted += db_affected_rows($tmp_result);
} else {
break;
}
$limit -= $limit_part;
}
return $tags_deleted;
}
function print_user_stylesheet() {
$value = get_pref('USER_STYLESHEET');
if ($value) {
print "<style type=\"text/css\">";
print str_replace("<br/>", "\n", $value);
print "</style>";
}
}
function filter_to_sql($filter, $owner_uid) {
$query = array();
if (DB_TYPE == "pgsql")
$reg_qpart = "~";
else
$reg_qpart = "REGEXP";
foreach ($filter["rules"] AS $rule) {
$rule['reg_exp'] = str_replace('/', '\/', $rule["reg_exp"]);
$regexp_valid = preg_match('/' . $rule['reg_exp'] . '/',
$rule['reg_exp']) !== FALSE;
if ($regexp_valid) {
$rule['reg_exp'] = db_escape_string($rule['reg_exp']);
switch ($rule["type"]) {
case "title":
$qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
$rule['reg_exp'] . "')";
break;
case "content":
$qpart = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
$rule['reg_exp'] . "')";
break;
case "both":
$qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
$rule['reg_exp'] . "') OR LOWER(" .
"ttrss_entries.content) $reg_qpart LOWER('" . $rule['reg_exp'] . "')";
break;
case "tag":
$qpart = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
$rule['reg_exp'] . "')";
break;
case "link":
$qpart = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
$rule['reg_exp'] . "')";
break;
case "author":
$qpart = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
$rule['reg_exp'] . "')";
break;
}
if (isset($rule['inverse'])) $qpart = "NOT ($qpart)";
if (isset($rule["feed_id"]) && $rule["feed_id"] > 0) {
$qpart .= " AND feed_id = " . db_escape_string($rule["feed_id"]);
}
if (isset($rule["cat_id"])) {
if ($rule["cat_id"] > 0) {
$children = getChildCategories($rule["cat_id"], $owner_uid);
array_push($children, $rule["cat_id"]);
$children = join(",", $children);
$cat_qpart = "cat_id IN ($children)";
} else {
$cat_qpart = "cat_id IS NULL";
}
$qpart .= " AND $cat_qpart";
}
$qpart .= " AND feed_id IS NOT NULL";
array_push($query, "($qpart)");
}
}
if (count($query) > 0) {
$fullquery = "(" . join($filter["match_any_rule"] ? "OR" : "AND", $query) . ")";
} else {
$fullquery = "(false)";
}
if ($filter['inverse']) $fullquery = "(NOT $fullquery)";
return $fullquery;
}
if (!function_exists('gzdecode')) {
function gzdecode($string) { // no support for 2nd argument
return file_get_contents('compress.zlib://data:who/cares;base64,'.
base64_encode($string));
}
}
function get_random_bytes($length) {
if (function_exists('openssl_random_pseudo_bytes')) {
return openssl_random_pseudo_bytes($length);
} else {
$output = "";
for ($i = 0; $i < $length; $i++)
$output .= chr(mt_rand(0, 255));
return $output;
}
}
function read_stdin() {
$fp = fopen("php://stdin", "r");
if ($fp) {
$line = trim(fgets($fp));
fclose($fp);
return $line;
}
return null;
}
function tmpdirname($path, $prefix) {
// Use PHP's tmpfile function to create a temporary
// directory name. Delete the file and keep the name.
$tempname = tempnam($path,$prefix);
if (!$tempname)
return false;
if (!unlink($tempname))
return false;
return $tempname;
}
function getFeedCategory($feed) {
$result = db_query("SELECT cat_id FROM ttrss_feeds
WHERE id = '$feed'");
if (db_num_rows($result) > 0) {
return db_fetch_result($result, 0, "cat_id");
} else {
return false;
}
}
function implements_interface($class, $interface) {
return in_array($interface, class_implements($class));
}
function get_minified_js($files) {
require_once 'lib/jshrink/Minifier.php';
$rv = '';
foreach ($files as $js) {
if (!isset($_GET['debug'])) {
$cached_file = CACHE_DIR . "/js/".basename($js).".js";
if (file_exists($cached_file) && is_readable($cached_file) && filemtime($cached_file) >= filemtime("js/$js.js")) {
list($header, $contents) = explode("\n", file_get_contents($cached_file), 2);
if ($header && $contents) {
list($htag, $hversion) = explode(":", $header);
if ($htag == "tt-rss" && $hversion == VERSION) {
$rv .= $contents;
continue;
}
}
}
$minified = JShrink\Minifier::minify(file_get_contents("js/$js.js"));
file_put_contents($cached_file, "tt-rss:" . VERSION . "\n" . $minified);
$rv .= $minified;
} else {
$rv .= file_get_contents("js/$js.js"); // no cache in debug mode
}
}
return $rv;
}
function stylesheet_tag($filename) {
$timestamp = filemtime($filename);
return "<link rel=\"stylesheet\" type=\"text/css\" href=\"$filename?$timestamp\"/>\n";
}
function javascript_tag($filename) {
$query = "";
if (!(strpos($filename, "?") === FALSE)) {
$query = substr($filename, strpos($filename, "?")+1);
$filename = substr($filename, 0, strpos($filename, "?"));
}
$timestamp = filemtime($filename);
if ($query) $timestamp .= "&$query";
return "<script type=\"text/javascript\" charset=\"utf-8\" src=\"$filename?$timestamp\"></script>\n";
}
function calculate_dep_timestamp() {
$files = array_merge(glob("js/*.js"), glob("css/*.css"));
$max_ts = -1;
foreach ($files as $file) {
if (filemtime($file) > $max_ts) $max_ts = filemtime($file);
}
return $max_ts;
}
function T_js_decl($s1, $s2) {
if ($s1 && $s2) {
$s1 = preg_replace("/\n/", "", $s1);
$s2 = preg_replace("/\n/", "", $s2);
$s1 = preg_replace("/\"/", "\\\"", $s1);
$s2 = preg_replace("/\"/", "\\\"", $s2);
return "T_messages[\"$s1\"] = \"$s2\";\n";
}
}
function init_js_translations() {
print 'var T_messages = new Object();
function __(msg) {
if (T_messages[msg]) {
return T_messages[msg];
} else {
return msg;
}
}
function ngettext(msg1, msg2, n) {
return __((parseInt(n) > 1) ? msg2 : msg1);
}';
$l10n = _get_reader();
for ($i = 0; $i < $l10n->total; $i++) {
$orig = $l10n->get_original_string($i);
if(strpos($orig, "\000") !== FALSE) { // Plural forms
$key = explode(chr(0), $orig);
print T_js_decl($key[0], _ngettext($key[0], $key[1], 1)); // Singular
print T_js_decl($key[1], _ngettext($key[0], $key[1], 2)); // Plural
} else {
$translation = __($orig);
print T_js_decl($orig, $translation);
}
}
}
function label_to_feed_id($label) {
return LABEL_BASE_INDEX - 1 - abs($label);
}
function feed_to_label_id($feed) {
return LABEL_BASE_INDEX - 1 + abs($feed);
}
function get_theme_path($theme) {
$check = "themes/$theme";
if (file_exists($check)) return $check;
$check = "themes.local/$theme";
if (file_exists($check)) return $check;
}
function theme_valid($theme) {
$bundled_themes = [ "default.php", "night.css", "compact.css" ];
if (in_array($theme, $bundled_themes)) return true;
$file = "themes/" . basename($theme);
if (!file_exists($file)) $file = "themes.local/" . basename($theme);
if (file_exists($file) && is_readable($file)) {
$fh = fopen($file, "r");
if ($fh) {
$header = fgets($fh);
fclose($fh);
return strpos($header, "supports-version:" . VERSION_STATIC) !== FALSE;
}
}
return false;
}
function error_json($code) {
require_once "errors.php";
@$message = $ERRORS[$code];
return json_encode(array("error" =>
array("code" => $code, "message" => $message)));
}
function abs_to_rel_path($dir) {
$tmp = str_replace(dirname(__DIR__), "", $dir);
if (strlen($tmp) > 0 && substr($tmp, 0, 1) == "/") $tmp = substr($tmp, 1);
return $tmp;
}
function get_upload_error_message($code) {
$errors = array(
0 => __('There is no error, the file uploaded with success'),
1 => __('The uploaded file exceeds the upload_max_filesize directive in php.ini'),
2 => __('The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form'),
3 => __('The uploaded file was only partially uploaded'),
4 => __('No file was uploaded'),
6 => __('Missing a temporary folder'),
7 => __('Failed to write file to disk.'),
8 => __('A PHP extension stopped the file upload.'),
);
return $errors[$code];
}
function base64_img($filename) {
if (file_exists($filename)) {
$ext = pathinfo($filename, PATHINFO_EXTENSION);
return "data:image/$ext;base64," . base64_encode(file_get_contents($filename));
} else {
return "";
}
}
?>