]> git.wh0rd.org Git - tt-rss.git/commitdiff
prefs: start PDO switchover
authorAndrew Dolgov <noreply@fakecake.org>
Sat, 2 Dec 2017 10:49:35 +0000 (13:49 +0300)
committerAndrew Dolgov <noreply@fakecake.org>
Sat, 2 Dec 2017 10:49:35 +0000 (13:49 +0300)
classes/pref/feeds.php

index a86a1af94b369a81b05faa9b54db8b83d18faa16..ca6fffde08cce40fc2124499aed4cf46d06150e2 100755 (executable)
@@ -17,12 +17,13 @@ class Pref_Feeds extends Handler_Protected {
        }
 
        function renamecat() {
-               $title = $this->dbh->escape_string($_REQUEST['title']);
-               $id = $this->dbh->escape_string($_REQUEST['id']);
+               $title = $_REQUEST['title'];
+               $id = $_REQUEST['id'];
 
                if ($title) {
-                       $this->dbh->query("UPDATE ttrss_feed_categories SET
-                               title = '$title' WHERE id = '$id' AND owner_uid = " . $_SESSION["uid"]);
+                       $sth = $this->pdo->prepare("UPDATE ttrss_feed_categories SET
+                               title = ? WHERE id = ? AND owner_uid = ?");
+                       $sth->execute([$title, $id, $_SESSION['uid']]);
                }
                return;
        }
@@ -34,18 +35,17 @@ class Pref_Feeds extends Handler_Protected {
                else
                        $search = "";
 
-               if ($search) $search_qpart = " AND (LOWER(title) LIKE LOWER('%$search%') OR LOWER(feed_url) LIKE LOWER('%$search%'))";
-
                // first one is set by API
                $show_empty_cats = $_REQUEST['force_show_empty'] ||
                        ($_REQUEST['mode'] != 2 && !$search);
 
                $items = array();
 
-               $result = $this->dbh->query("SELECT id, title FROM ttrss_feed_categories
-                               WHERE owner_uid = " . $_SESSION["uid"] . " AND parent_cat = '$cat_id' ORDER BY order_id, title");
+               $sth = $this->pdo->prepare("SELECT id, title FROM ttrss_feed_categories
+                               WHERE owner_uid = ? AND parent_cat = ? ORDER BY order_id, title");
+               $sth->execute([$_SESSION['uid'], $cat_id]);
 
-               while ($line = $this->dbh->fetch_assoc($result)) {
+               while ($line = $sth->fetch()) {
 
                        $cat = array();
                        $cat['id'] = 'CAT:' . $line['id'];
@@ -69,13 +69,17 @@ class Pref_Feeds extends Handler_Protected {
 
                }
 
-               $feed_result = $this->dbh->query("SELECT id, title, last_error,
+               $fsth = $this->pdo->prepare("SELECT id, title, last_error,
                        ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
                        FROM ttrss_feeds
-                       WHERE cat_id = '$cat_id' AND owner_uid = ".$_SESSION["uid"].
-                       "$search_qpart ORDER BY order_id, title");
+                       WHERE cat_id = :cat AND 
+                       owner_uid = :uid AND
+                       (:search = '' OR (LOWER(title) LIKE :search OR LOWER(feed_url) LIKE :search))
+                       ORDER BY order_id, title");
+
+               $fsth->execute([":cat" => $cat_id, ":uid" => $_SESSION['uid'], ":search" => $search ? "%$search%" : ""]);
 
-               while ($feed_line = $this->dbh->fetch_assoc($feed_result)) {
+               while ($feed_line = $fsth->fetch()) {
                        $feed = array();
                        $feed['id'] = 'FEED:' . $feed_line['id'];
                        $feed['bare_id'] = (int)$feed_line['id'];
@@ -158,10 +162,10 @@ class Pref_Feeds extends Handler_Protected {
                                $root['items'] = array_merge($root['items'], $cat['items']);
                        }
 
-                       $result = $this->dbh->query("SELECT * FROM
+                       $result = db_query("SELECT * FROM
                                ttrss_labels2 WHERE owner_uid = ".$_SESSION['uid']." ORDER by caption");
 
-                       if ($this->dbh->num_rows($result) > 0) {
+                       if (db_num_rows($result) > 0) {
 
                                if (get_pref('ENABLE_FEED_CATS')) {
                                        $cat = $this->feedlist_init_cat(-2);
@@ -169,7 +173,7 @@ class Pref_Feeds extends Handler_Protected {
                                        $cat['items'] = array();
                                }
 
-                               while ($line = $this->dbh->fetch_assoc($result)) {
+                               while ($line = db_fetch_assoc($result)) {
 
                                        $label_id = Labels::label_to_feed_id($line['id']);
 
@@ -193,10 +197,10 @@ class Pref_Feeds extends Handler_Protected {
                        $show_empty_cats = $_REQUEST['force_show_empty'] ||
                                ($_REQUEST['mode'] != 2 && !$search);
 
-                       $result = $this->dbh->query("SELECT id, title FROM ttrss_feed_categories
+                       $result = db_query("SELECT id, title FROM ttrss_feed_categories
                                WHERE owner_uid = " . $_SESSION["uid"] . " AND parent_cat IS NULL ORDER BY order_id, title");
 
-                       while ($line = $this->dbh->fetch_assoc($result)) {
+                       while ($line = db_fetch_assoc($result)) {
                                $cat = array();
                                $cat['id'] = 'CAT:' . $line['id'];
                                $cat['bare_id'] = (int)$line['id'];
@@ -232,13 +236,13 @@ class Pref_Feeds extends Handler_Protected {
                        $cat['unread'] = 0;
                        $cat['child_unread'] = 0;
 
-                       $feed_result = $this->dbh->query("SELECT id, title,last_error,
+                       $feed_result = db_query("SELECT id, title,last_error,
                                ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
                                FROM ttrss_feeds
                                WHERE cat_id IS NULL AND owner_uid = ".$_SESSION["uid"].
                                "$search_qpart ORDER BY order_id, title");
 
-                       while ($feed_line = $this->dbh->fetch_assoc($feed_result)) {
+                       while ($feed_line = db_fetch_assoc($feed_result)) {
                                $feed = array();
                                $feed['id'] = 'FEED:' . $feed_line['id'];
                                $feed['bare_id'] = (int)$feed_line['id'];
@@ -264,13 +268,13 @@ class Pref_Feeds extends Handler_Protected {
                        $root['param'] = vsprintf(_ngettext('(%d feed)', '(%d feeds)', (int) $num_children), $num_children);
 
                } else {
-                       $feed_result = $this->dbh->query("SELECT id, title, last_error,
+                       $feed_result = db_query("SELECT id, title, last_error,
                                ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
                                FROM ttrss_feeds
                                WHERE owner_uid = ".$_SESSION["uid"].
                                "$search_qpart ORDER BY order_id, title");
 
-                       while ($feed_line = $this->dbh->fetch_assoc($feed_result)) {
+                       while ($feed_line = db_fetch_assoc($feed_result)) {
                                $feed = array();
                                $feed['id'] = 'FEED:' . $feed_line['id'];
                                $feed['bare_id'] = (int)$feed_line['id'];
@@ -304,13 +308,13 @@ class Pref_Feeds extends Handler_Protected {
        }
 
        function catsortreset() {
-               $this->dbh->query("UPDATE ttrss_feed_categories
+               db_query("UPDATE ttrss_feed_categories
                                SET order_id = 0 WHERE owner_uid = " . $_SESSION["uid"]);
                return;
        }
 
        function feedsortreset() {
-               $this->dbh->query("UPDATE ttrss_feeds
+               db_query("UPDATE ttrss_feeds
                                SET order_id = 0 WHERE owner_uid = " . $_SESSION["uid"]);
                return;
        }
@@ -324,17 +328,17 @@ class Pref_Feeds extends Handler_Protected {
 
                if ($debug) _debug("$prefix C: $item_id P: $parent_id");
 
-               $bare_item_id = $this->dbh->escape_string(substr($item_id, strpos($item_id, ':')+1));
+               $bare_item_id = substr($item_id, strpos($item_id, ':')+1);
 
                if ($item_id != 'root') {
                        if ($parent_id && $parent_id != 'root') {
                                $parent_bare_id = substr($parent_id, strpos($parent_id, ':')+1);
-                               $parent_qpart = $this->dbh->escape_string($parent_bare_id);
+                               $parent_qpart = $parent_bare_id;
                        } else {
                                $parent_qpart = 'NULL';
                        }
 
-                       $this->dbh->query("UPDATE ttrss_feed_categories
+                       db_query("UPDATE ttrss_feed_categories
                                SET parent_cat = $parent_qpart WHERE id = '$bare_item_id' AND
                                owner_uid = " . $_SESSION["uid"]);
                }
@@ -346,7 +350,7 @@ class Pref_Feeds extends Handler_Protected {
                if ($cat && is_array($cat)) {
                        foreach ($cat as $item) {
                                $id = $item['_reference'];
-                               $bare_id = $this->dbh->escape_string(substr($id, strpos($id, ':')+1));
+                               $bare_id = substr($id, strpos($id, ':')+1);
 
                                if ($debug) _debug("$prefix [$order_id] $id/$bare_id");
 
@@ -355,12 +359,12 @@ class Pref_Feeds extends Handler_Protected {
                                        if (strpos($id, "FEED") === 0) {
 
                                                $cat_id = ($item_id != "root") ?
-                                                       $this->dbh->escape_string($bare_item_id) : "NULL";
+                                                       $bare_item_id : "NULL";
 
                                                $cat_qpart = ($cat_id != 0) ? "cat_id = '$cat_id'" :
                                                        "cat_id = NULL";
 
-                                               $this->dbh->query("UPDATE ttrss_feeds
+                                               db_query("UPDATE ttrss_feeds
                                                        SET order_id = $order_id, $cat_qpart
                                                        WHERE id = '$bare_id' AND
                                                                owner_uid = " . $_SESSION["uid"]);
@@ -370,12 +374,12 @@ class Pref_Feeds extends Handler_Protected {
                                                        $nest_level+1);
 
                                                if ($item_id != 'root') {
-                                                       $parent_qpart = $this->dbh->escape_string($bare_id);
+                                                       $parent_qpart = $bare_id;
                                                } else {
                                                        $parent_qpart = 'NULL';
                                                }
 
-                                               $this->dbh->query("UPDATE ttrss_feed_categories
+                                               db_query("UPDATE ttrss_feed_categories
                                                                SET order_id = '$order_id' WHERE id = '$bare_id' AND
                                                                owner_uid = " . $_SESSION["uid"]);
                                        }
@@ -427,7 +431,7 @@ class Pref_Feeds extends Handler_Protected {
                                ++$cat_order_id;
 
                                if ($bare_id > 0) {
-                                       $this->dbh->query("UPDATE ttrss_feed_categories
+                                       db_query("UPDATE ttrss_feed_categories
                                                SET order_id = '$cat_order_id' WHERE id = '$bare_id' AND
                                                owner_uid = " . $_SESSION["uid"]);
                                }
@@ -444,7 +448,7 @@ class Pref_Feeds extends Handler_Protected {
                                                else
                                                        $cat_query = "cat_id = NULL";
 
-                                               $this->dbh->query("UPDATE ttrss_feeds
+                                               db_query("UPDATE ttrss_feeds
                                                        SET order_id = '$feed_order_id',
                                                        $cat_query
                                                        WHERE id = '$feed_id' AND
@@ -460,15 +464,15 @@ class Pref_Feeds extends Handler_Protected {
        }
 
        function removeicon() {
-               $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
+               $feed_id = $_REQUEST["feed_id"];
 
-               $result = $this->dbh->query("SELECT id FROM ttrss_feeds
+               $result = db_query("SELECT id FROM ttrss_feeds
                        WHERE id = '$feed_id' AND owner_uid = ". $_SESSION["uid"]);
 
-               if ($this->dbh->num_rows($result) != 0) {
+               if (db_num_rows($result) != 0) {
                        @unlink(ICONS_DIR . "/$feed_id.ico");
 
-                       $this->dbh->query("UPDATE ttrss_feeds SET favicon_avg_color = NULL
+                       db_query("UPDATE ttrss_feeds SET favicon_avg_color = NULL
                                where id = '$feed_id'");
                }
 
@@ -494,18 +498,18 @@ class Pref_Feeds extends Handler_Protected {
                }
 
                $icon_file = $tmp_file;
-               $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
+               $feed_id = $_REQUEST["feed_id"];
 
                if (is_file($icon_file) && $feed_id) {
                        if (filesize($icon_file) < 65535) {
 
-                               $result = $this->dbh->query("SELECT id FROM ttrss_feeds
+                               $result = db_query("SELECT id FROM ttrss_feeds
                                        WHERE id = '$feed_id' AND owner_uid = ". $_SESSION["uid"]);
 
-                               if ($this->dbh->num_rows($result) != 0) {
+                               if (db_num_rows($result) != 0) {
                                        @unlink(ICONS_DIR . "/$feed_id.ico");
                                        if (rename($icon_file, ICONS_DIR . "/$feed_id.ico")) {
-                                               $this->dbh->query("UPDATE ttrss_feeds SET
+                                               db_query("UPDATE ttrss_feeds SET
                                                        favicon_avg_color = ''
                                                        WHERE id = '$feed_id'");
 
@@ -536,16 +540,16 @@ class Pref_Feeds extends Handler_Protected {
                print '<div dojoType="dijit.layout.TabContainer" style="height : 450px">
                        <div dojoType="dijit.layout.ContentPane" title="'.__('General').'">';
 
-               $feed_id = $this->dbh->escape_string($_REQUEST["id"]);
+               $feed_id = $_REQUEST["id"];
 
-               $result = $this->dbh->query(
+               $result = db_query(
                        "SELECT * FROM ttrss_feeds WHERE id = '$feed_id' AND
                                owner_uid = " . $_SESSION["uid"]);
 
-               $auth_pass_encrypted = sql_bool_to_bool($this->dbh->fetch_result($result, 0,
+               $auth_pass_encrypted = sql_bool_to_bool(db_fetch_result($result, 0,
                        "auth_pass_encrypted"));
 
-               $title = htmlspecialchars($this->dbh->fetch_result($result,
+               $title = htmlspecialchars(db_fetch_result($result,
                        0, "title"));
 
                print_hidden("id", "$feed_id");
@@ -563,8 +567,8 @@ class Pref_Feeds extends Handler_Protected {
 
                /* Feed URL */
 
-               $feed_url = $this->dbh->fetch_result($result, 0, "feed_url");
-               $feed_url = htmlspecialchars($this->dbh->fetch_result($result,
+               $feed_url = db_fetch_result($result, 0, "feed_url");
+               $feed_url = htmlspecialchars(db_fetch_result($result,
                        0, "feed_url"));
 
                print "<hr/>";
@@ -575,7 +579,7 @@ class Pref_Feeds extends Handler_Protected {
                        regExp='^(http|https)://.*' style=\"width : 20em\"
                        name=\"feed_url\" value=\"$feed_url\">";
 
-               $last_error = $this->dbh->fetch_result($result, 0, "last_error");
+               $last_error = db_fetch_result($result, 0, "last_error");
 
                if ($last_error) {
                        print "&nbsp;<img src=\"images/error.png\" alt=\"(error)\"
@@ -588,7 +592,7 @@ class Pref_Feeds extends Handler_Protected {
 
                if (get_pref('ENABLE_FEED_CATS')) {
 
-                       $cat_id = $this->dbh->fetch_result($result, 0, "cat_id");
+                       $cat_id = db_fetch_result($result, 0, "cat_id");
 
                        print "<hr/>";
 
@@ -601,7 +605,7 @@ class Pref_Feeds extends Handler_Protected {
                /* FTS Stemming Language */
 
                if (DB_TYPE == "pgsql") {
-                       $feed_language = $this->dbh->fetch_result($result, 0, "feed_language");
+                       $feed_language = db_fetch_result($result, 0, "feed_language");
 
                        print "<hr/>";
 
@@ -617,14 +621,14 @@ class Pref_Feeds extends Handler_Protected {
 
                /* Update Interval */
 
-               $update_interval = $this->dbh->fetch_result($result, 0, "update_interval");
+               $update_interval = db_fetch_result($result, 0, "update_interval");
 
                print_select_hash("update_interval", $update_interval, $update_intervals,
                        'dojoType="dijit.form.Select"');
 
                /* Purge intl */
 
-               $purge_interval = $this->dbh->fetch_result($result, 0, "purge_interval");
+               $purge_interval = db_fetch_result($result, 0, "purge_interval");
 
                print "<hr/>";
                print __('Article purging:') . " ";
@@ -635,8 +639,8 @@ class Pref_Feeds extends Handler_Protected {
 
                print "</div>";
 
-               $auth_login = htmlspecialchars($this->dbh->fetch_result($result, 0, "auth_login"));
-               $auth_pass = $this->dbh->fetch_result($result, 0, "auth_pass");
+               $auth_login = htmlspecialchars(db_fetch_result($result, 0, "auth_login"));
+               $auth_pass = db_fetch_result($result, 0, "auth_pass");
 
                if ($auth_pass_encrypted && function_exists("mcrypt_decrypt")) {
                        require_once "crypt.php";
@@ -680,7 +684,7 @@ class Pref_Feeds extends Handler_Protected {
                //print "<div class=\"dlgSec\">".__("Options")."</div>";
                print "<div class=\"dlgSecSimple\">";
 
-               $private = sql_bool_to_bool($this->dbh->fetch_result($result, 0, "private"));
+               $private = sql_bool_to_bool(db_fetch_result($result, 0, "private"));
 
                if ($private) {
                        $checked = "checked=\"1\"";
@@ -691,7 +695,7 @@ class Pref_Feeds extends Handler_Protected {
                print "<input dojoType=\"dijit.form.CheckBox\" type=\"checkbox\" name=\"private\" id=\"private\"
                        $checked>&nbsp;<label for=\"private\">".__('Hide from Popular feeds')."</label>";
 
-               $include_in_digest = sql_bool_to_bool($this->dbh->fetch_result($result, 0, "include_in_digest"));
+               $include_in_digest = sql_bool_to_bool(db_fetch_result($result, 0, "include_in_digest"));
 
                if ($include_in_digest) {
                        $checked = "checked=\"1\"";
@@ -704,7 +708,7 @@ class Pref_Feeds extends Handler_Protected {
                        $checked>&nbsp;<label for=\"include_in_digest\">".__('Include in e-mail digest')."</label>";
 
 
-               $always_display_enclosures = sql_bool_to_bool($this->dbh->fetch_result($result, 0, "always_display_enclosures"));
+               $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
 
                if ($always_display_enclosures) {
                        $checked = "checked";
@@ -716,7 +720,7 @@ class Pref_Feeds extends Handler_Protected {
                        name=\"always_display_enclosures\"
                        $checked>&nbsp;<label for=\"always_display_enclosures\">".__('Always display image attachments')."</label>";
 
-               $hide_images = sql_bool_to_bool($this->dbh->fetch_result($result, 0, "hide_images"));
+               $hide_images = sql_bool_to_bool(db_fetch_result($result, 0, "hide_images"));
 
                if ($hide_images) {
                        $checked = "checked=\"1\"";
@@ -729,7 +733,7 @@ class Pref_Feeds extends Handler_Protected {
                        $checked>&nbsp;<label for=\"hide_images\">".
                __('Do not embed images')."</label>";
 
-               $cache_images = sql_bool_to_bool($this->dbh->fetch_result($result, 0, "cache_images"));
+               $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 
                if ($cache_images) {
                        $checked = "checked=\"1\"";
@@ -742,7 +746,7 @@ class Pref_Feeds extends Handler_Protected {
                        $checked>&nbsp;<label for=\"cache_images\">".
                __('Cache media')."</label>";
 
-               $mark_unread_on_update = sql_bool_to_bool($this->dbh->fetch_result($result, 0, "mark_unread_on_update"));
+               $mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result, 0, "mark_unread_on_update"));
 
                if ($mark_unread_on_update) {
                        $checked = "checked";
@@ -809,7 +813,7 @@ class Pref_Feeds extends Handler_Protected {
                global $purge_intervals;
                global $update_intervals;
 
-               $feed_ids = $this->dbh->escape_string($_REQUEST["ids"]);
+               $feed_ids = $_REQUEST["ids"];
 
                print_notice("Enable the options you wish to apply using checkboxes on the right:");
 
@@ -958,31 +962,31 @@ class Pref_Feeds extends Handler_Protected {
 
        function editsaveops($batch) {
 
-               $feed_title = $this->dbh->escape_string(trim($_POST["title"]));
-               $feed_link = $this->dbh->escape_string(trim($_POST["feed_url"]));
-               $upd_intl = (int) $this->dbh->escape_string($_POST["update_interval"]);
-               $purge_intl = (int) $this->dbh->escape_string($_POST["purge_interval"]);
-               $feed_id = (int) $this->dbh->escape_string($_POST["id"]); /* editSave */
-               $feed_ids = $this->dbh->escape_string($_POST["ids"]); /* batchEditSave */
-               $cat_id = (int) $this->dbh->escape_string($_POST["cat_id"]);
-               $auth_login = $this->dbh->escape_string(trim($_POST["auth_login"]));
+               $feed_title = trim($_POST["title"]);
+               $feed_link = trim($_POST["feed_url"]);
+               $upd_intl = (int) $_POST["update_interval"];
+               $purge_intl = (int) $_POST["purge_interval"];
+               $feed_id = (int) $_POST["id"]; /* editSave */
+               $feed_ids = $_POST["ids"]; /* batchEditSave */
+               $cat_id = (int) $_POST["cat_id"];
+               $auth_login = trim($_POST["auth_login"]);
                $auth_pass = trim($_POST["auth_pass"]);
-               $private = checkbox_to_sql_bool($this->dbh->escape_string($_POST["private"]));
+               $private = checkbox_to_sql_bool($_POST["private"]);
                $include_in_digest = checkbox_to_sql_bool(
-                       $this->dbh->escape_string($_POST["include_in_digest"]));
+                       $_POST["include_in_digest"]);
                $cache_images = checkbox_to_sql_bool(
-                       $this->dbh->escape_string($_POST["cache_images"]));
+                       $_POST["cache_images"]);
                $hide_images = checkbox_to_sql_bool(
-                       $this->dbh->escape_string($_POST["hide_images"]));
+                       $_POST["hide_images"]);
                $always_display_enclosures = checkbox_to_sql_bool(
-                       $this->dbh->escape_string($_POST["always_display_enclosures"]));
+                       $_POST["always_display_enclosures"]);
 
                $mark_unread_on_update = checkbox_to_sql_bool(
-                       $this->dbh->escape_string($_POST["mark_unread_on_update"]));
+                       $_POST["mark_unread_on_update"]);
 
-               $feed_language = $this->dbh->escape_string(trim($_POST["feed_language"]));
+               $feed_language = trim($_POST["feed_language"]);
 
-               $auth_pass = $this->dbh->escape_string($auth_pass);
+               $auth_pass = $auth_pass;
 
                if (get_pref('ENABLE_FEED_CATS')) {
                        if ($cat_id && $cat_id != 0) {
@@ -1008,7 +1012,7 @@ class Pref_Feeds extends Handler_Protected {
 
                        $reset_basic_info = $orig_feed_url != $feed_link;
 
-                       $this->dbh->query("UPDATE ttrss_feeds SET
+                       db_query("UPDATE ttrss_feeds SET
                                $category_qpart
                                title = '$feed_title', feed_url = '$feed_link',
                                update_interval = '$upd_intl',
@@ -1041,7 +1045,7 @@ class Pref_Feeds extends Handler_Protected {
                                }
                        }
 
-                       $this->dbh->query("BEGIN");
+                       db_query("BEGIN");
 
                        foreach (array_keys($feed_data) as $k) {
 
@@ -1107,21 +1111,21 @@ class Pref_Feeds extends Handler_Protected {
                                }
 
                                if ($qpart) {
-                                       $this->dbh->query(
+                                       db_query(
                                                "UPDATE ttrss_feeds SET $qpart WHERE id IN ($feed_ids)
                                                AND owner_uid = " . $_SESSION["uid"]);
                                        print "<br/>";
                                }
                        }
 
-                       $this->dbh->query("COMMIT");
+                       db_query("COMMIT");
                }
                return;
        }
 
        function remove() {
 
-               $ids = explode(",", $this->dbh->escape_string($_REQUEST["ids"]));
+               $ids = explode(",", $_REQUEST["ids"]);
 
                foreach ($ids as $id) {
                        Pref_Feeds::remove_feed($id, $_SESSION["uid"]);
@@ -1131,18 +1135,18 @@ class Pref_Feeds extends Handler_Protected {
        }
 
        function clear() {
-               $id = $this->dbh->escape_string($_REQUEST["id"]);
+               $id = $_REQUEST["id"];
                $this->clear_feed_articles($id);
        }
 
        function rescore() {
-               $ids = explode(",", $this->dbh->escape_string($_REQUEST["ids"]));
+               $ids = explode(",", $_REQUEST["ids"]);
 
                foreach ($ids as $id) {
 
                        $filters = load_filters($id, $_SESSION["uid"], 6);
 
-                       $result = $this->dbh->query("SELECT
+                       $result = db_query("SELECT
                                title, content, link, ref_id, author,".
                                SUBSTRING_FOR_DATE."(updated, 1, 19) AS updated
                                FROM
@@ -1153,7 +1157,7 @@ class Pref_Feeds extends Handler_Protected {
 
                        $scores = array();
 
-                       while ($line = $this->dbh->fetch_assoc($result)) {
+                       while ($line = db_fetch_assoc($result)) {
 
                                $tags = Article::get_article_tags($line["ref_id"]);
 
@@ -1170,15 +1174,15 @@ class Pref_Feeds extends Handler_Protected {
 
                        foreach (array_keys($scores) as $s) {
                                if ($s > 1000) {
-                                       $this->dbh->query("UPDATE ttrss_user_entries SET score = '$s',
+                                       db_query("UPDATE ttrss_user_entries SET score = '$s',
                                                marked = true WHERE
                                                ref_id IN (" . join(',', $scores[$s]) . ")");
                                } else if ($s < -500) {
-                                       $this->dbh->query("UPDATE ttrss_user_entries SET score = '$s',
+                                       db_query("UPDATE ttrss_user_entries SET score = '$s',
                                                unread = false WHERE
                                                ref_id IN (" . join(',', $scores[$s]) . ")");
                                } else {
-                                       $this->dbh->query("UPDATE ttrss_user_entries SET score = '$s' WHERE
+                                       db_query("UPDATE ttrss_user_entries SET score = '$s' WHERE
                                                ref_id IN (" . join(',', $scores[$s]) . ")");
                                }
                        }
@@ -1190,16 +1194,16 @@ class Pref_Feeds extends Handler_Protected {
 
        function rescoreAll() {
 
-               $result = $this->dbh->query(
+               $result = db_query(
                        "SELECT id FROM ttrss_feeds WHERE owner_uid = " . $_SESSION['uid']);
 
-               while ($feed_line = $this->dbh->fetch_assoc($result)) {
+               while ($feed_line = db_fetch_assoc($result)) {
 
                        $id = $feed_line["id"];
 
                        $filters = load_filters($id, $_SESSION["uid"], 6);
 
-                       $tmp_result = $this->dbh->query("SELECT
+                       $tmp_result = db_query("SELECT
                                title, content, link, ref_id, author,".
                                        SUBSTRING_FOR_DATE."(updated, 1, 19) AS updated
                                        FROM
@@ -1210,7 +1214,7 @@ class Pref_Feeds extends Handler_Protected {
 
                        $scores = array();
 
-                       while ($line = $this->dbh->fetch_assoc($tmp_result)) {
+                       while ($line = db_fetch_assoc($tmp_result)) {
 
                                $tags = Article::get_article_tags($line["ref_id"]);
 
@@ -1227,11 +1231,11 @@ class Pref_Feeds extends Handler_Protected {
 
                        foreach (array_keys($scores) as $s) {
                                if ($s > 1000) {
-                                       $this->dbh->query("UPDATE ttrss_user_entries SET score = '$s',
+                                       db_query("UPDATE ttrss_user_entries SET score = '$s',
                                                marked = true WHERE
                                                ref_id IN (" . join(',', $scores[$s]) . ")");
                                } else {
-                                       $this->dbh->query("UPDATE ttrss_user_entries SET score = '$s' WHERE
+                                       db_query("UPDATE ttrss_user_entries SET score = '$s' WHERE
                                                ref_id IN (" . join(',', $scores[$s]) . ")");
                                }
                        }
@@ -1242,9 +1246,9 @@ class Pref_Feeds extends Handler_Protected {
        }
 
        function categorize() {
-               $ids = explode(",", $this->dbh->escape_string($_REQUEST["ids"]));
+               $ids = explode(",", $_REQUEST["ids"]);
 
-               $cat_id = $this->dbh->escape_string($_REQUEST["cat_id"]);
+               $cat_id = $_REQUEST["cat_id"];
 
                if ($cat_id == 0) {
                        $cat_id_qpart = 'NULL';
@@ -1252,28 +1256,28 @@ class Pref_Feeds extends Handler_Protected {
                        $cat_id_qpart = "'$cat_id'";
                }
 
-               $this->dbh->query("BEGIN");
+               db_query("BEGIN");
 
                foreach ($ids as $id) {
 
-                       $this->dbh->query("UPDATE ttrss_feeds SET cat_id = $cat_id_qpart
+                       db_query("UPDATE ttrss_feeds SET cat_id = $cat_id_qpart
                                WHERE id = '$id'
                                AND owner_uid = " . $_SESSION["uid"]);
 
                }
 
-               $this->dbh->query("COMMIT");
+               db_query("COMMIT");
        }
 
        function removeCat() {
-               $ids = explode(",", $this->dbh->escape_string($_REQUEST["ids"]));
+               $ids = explode(",", $_REQUEST["ids"]);
                foreach ($ids as $id) {
                        $this->remove_feed_category($id, $_SESSION["uid"]);
                }
        }
 
        function addCat() {
-               $feed_cat = $this->dbh->escape_string(trim($_REQUEST["cat"]));
+               $feed_cat = trim($_REQUEST["cat"]);
 
                add_feed_category($feed_cat);
        }
@@ -1283,10 +1287,10 @@ class Pref_Feeds extends Handler_Protected {
                print "<div dojoType=\"dijit.layout.AccordionContainer\" region=\"center\">";
                print "<div id=\"pref-feeds-feeds\" dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Feeds')."\">";
 
-               $result = $this->dbh->query("SELECT COUNT(id) AS num_errors
+               $result = db_query("SELECT COUNT(id) AS num_errors
                        FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
 
-               $num_errors = $this->dbh->fetch_result($result, 0, "num_errors");
+               $num_errors = db_fetch_result($result, 0, "num_errors");
 
                if ($num_errors > 0) {
 
@@ -1301,7 +1305,7 @@ class Pref_Feeds extends Handler_Protected {
                                onclick=\"showInactiveFeeds()\">" .
                                __("Inactive feeds") . "</button>";
 
-               $feed_search = $this->dbh->escape_string($_REQUEST["search"]);
+               $feed_search = $_REQUEST["search"];
 
                if (array_key_exists("search", $_REQUEST)) {
                        $_SESSION["prefs_feed_search"] = $feed_search;
@@ -1568,7 +1572,7 @@ class Pref_Feeds extends Handler_Protected {
                        $interval_qpart = "DATE_SUB(NOW(), INTERVAL 3 MONTH)";
                }
 
-               $result = $this->dbh->query("SELECT ttrss_feeds.title, ttrss_feeds.site_url,
+               $result = db_query("SELECT ttrss_feeds.title, ttrss_feeds.site_url,
                                ttrss_feeds.feed_url, ttrss_feeds.id, MAX(updated) AS last_article
                        FROM ttrss_feeds, ttrss_entries, ttrss_user_entries WHERE
                                (SELECT MAX(updated) FROM ttrss_entries, ttrss_user_entries WHERE
@@ -1599,7 +1603,7 @@ class Pref_Feeds extends Handler_Protected {
 
                $lnum = 1;
 
-               while ($line = $this->dbh->fetch_assoc($result)) {
+               while ($line = db_fetch_assoc($result)) {
 
                        $feed_id = $line["id"];
                        $this_row_id = "id=\"FUPDD-$feed_id\"";
@@ -1643,7 +1647,7 @@ class Pref_Feeds extends Handler_Protected {
        }
 
        function feedsWithErrors() {
-               $result = $this->dbh->query("SELECT id,title,feed_url,last_error,site_url
+               $result = db_query("SELECT id,title,feed_url,last_error,site_url
                FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
 
                print "<div dojoType=\"dijit.Toolbar\">";
@@ -1663,7 +1667,7 @@ class Pref_Feeds extends Handler_Protected {
 
                $lnum = 1;
 
-               while ($line = $this->dbh->fetch_assoc($result)) {
+               while ($line = db_fetch_assoc($result)) {
 
                        $feed_id = $line["id"];
                        $this_row_id = "id=\"FERDD-$feed_id\"";
@@ -1717,14 +1721,14 @@ class Pref_Feeds extends Handler_Protected {
        private function clear_feed_articles($id) {
 
                if ($id != 0) {
-                       $result = $this->dbh->query("DELETE FROM ttrss_user_entries
+                       $result = db_query("DELETE FROM ttrss_user_entries
                        WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
                } else {
-                       $result = $this->dbh->query("DELETE FROM ttrss_user_entries
+                       $result = db_query("DELETE FROM ttrss_user_entries
                        WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
                }
 
-               $result = $this->dbh->query("DELETE FROM ttrss_entries WHERE
+               $result = db_query("DELETE FROM ttrss_entries WHERE
                        (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 
                CCache::update($id, $_SESSION['uid']);
@@ -1732,7 +1736,7 @@ class Pref_Feeds extends Handler_Protected {
 
        private function remove_feed_category($id, $owner_uid) {
 
-               $this->dbh->query("DELETE FROM ttrss_feed_categories
+               db_query("DELETE FROM ttrss_feed_categories
                        WHERE id = '$id' AND owner_uid = $owner_uid");
 
                CCache::remove($id, $owner_uid, true);
@@ -1751,7 +1755,7 @@ class Pref_Feeds extends Handler_Protected {
                        $result = db_query("SELECT feed_url FROM ttrss_feeds WHERE id = $id
                                AND owner_uid = $owner_uid");
 
-                       $feed_url = db_escape_string(db_fetch_result($result, 0, "feed_url"));
+                       $feed_url = db_fetch_result($result, 0, "feed_url");
 
                        $result = db_query("SELECT id FROM ttrss_archived_feeds
                                WHERE feed_url = '$feed_url' AND owner_uid = $owner_uid");
@@ -1848,17 +1852,17 @@ class Pref_Feeds extends Handler_Protected {
        }
 
        function batchAddFeeds() {
-               $cat_id = $this->dbh->escape_string($_REQUEST['cat']);
+               $cat_id = $_REQUEST['cat'];
                $feeds = explode("\n", $_REQUEST['feeds']);
-               $login = $this->dbh->escape_string($_REQUEST['login']);
+               $login = $_REQUEST['login'];
                $pass = trim($_REQUEST['pass']);
 
                foreach ($feeds as $feed) {
-                       $feed = $this->dbh->escape_string(trim($feed));
+                       $feed = trim($feed);
 
                        if (validate_feed_url($feed)) {
 
-                               $this->dbh->query("BEGIN");
+                               db_query("BEGIN");
 
                                if ($cat_id == "0" || !$cat_id) {
                                        $cat_qpart = "NULL";
@@ -1866,21 +1870,21 @@ class Pref_Feeds extends Handler_Protected {
                                        $cat_qpart = "'$cat_id'";
                                }
 
-                               $result = $this->dbh->query(
+                               $result = db_query(
                                        "SELECT id FROM ttrss_feeds
                                        WHERE feed_url = '$feed' AND owner_uid = ".$_SESSION["uid"]);
 
-                               $pass = $this->dbh->escape_string($pass);
+                               $pass = $pass;
 
-                               if ($this->dbh->num_rows($result) == 0) {
-                                       $result = $this->dbh->query(
+                               if (db_num_rows($result) == 0) {
+                                       $result = db_query(
                                                "INSERT INTO ttrss_feeds
                                                        (owner_uid,feed_url,title,cat_id,auth_login,auth_pass,update_method,auth_pass_encrypted)
                                                VALUES ('".$_SESSION["uid"]."', '$feed',
                                                        '[Unknown]', $cat_qpart, '$login', '$pass', 0, false)");
                                }
 
-                               $this->dbh->query("COMMIT");
+                               db_query("COMMIT");
                        }
                }
        }
@@ -1895,8 +1899,8 @@ class Pref_Feeds extends Handler_Protected {
        }
 
        function regenFeedKey() {
-               $feed_id = $this->dbh->escape_string($_REQUEST['id']);
-               $is_cat = $this->dbh->escape_string($_REQUEST['is_cat']) == "true";
+               $feed_id = $_REQUEST['id'];
+               $is_cat = $_REQUEST['is_cat'] == "true";
 
                $new_key = $this->update_feed_access_key($feed_id, $is_cat);
 
@@ -1909,14 +1913,14 @@ class Pref_Feeds extends Handler_Protected {
 
                $sql_is_cat = bool_to_sql_bool($is_cat);
 
-               $result = $this->dbh->query("SELECT access_key FROM ttrss_access_keys
+               $result = db_query("SELECT access_key FROM ttrss_access_keys
                        WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
                        AND owner_uid = " . $owner_uid);
 
-               if ($this->dbh->num_rows($result) == 1) {
-                       $key = $this->dbh->escape_string(uniqid_short());
+               if (db_num_rows($result) == 1) {
+                       $key = uniqid_short();
 
-                       $this->dbh->query("UPDATE ttrss_access_keys SET access_key = '$key'
+                       db_query("UPDATE ttrss_access_keys SET access_key = '$key'
                                WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
                                AND owner_uid = " . $owner_uid);
 
@@ -1929,7 +1933,7 @@ class Pref_Feeds extends Handler_Protected {
 
        // Silent
        function clearKeys() {
-               $this->dbh->query("DELETE FROM ttrss_access_keys WHERE
+               db_query("DELETE FROM ttrss_access_keys WHERE
                        owner_uid = " . $_SESSION["uid"]);
        }
 
@@ -1954,13 +1958,13 @@ class Pref_Feeds extends Handler_Protected {
                        $interval_qpart = "DATE_SUB(NOW(), INTERVAL 3 MONTH)";
                }
 
-               $result = $this->dbh->query("SELECT COUNT(*) AS num_inactive FROM ttrss_feeds WHERE
+               $result = db_query("SELECT COUNT(*) AS num_inactive FROM ttrss_feeds WHERE
                                (SELECT MAX(updated) FROM ttrss_entries, ttrss_user_entries WHERE
                                        ttrss_entries.id = ref_id AND
                                                ttrss_user_entries.feed_id = ttrss_feeds.id) < $interval_qpart AND
                          ttrss_feeds.owner_uid = ".$_SESSION["uid"]);
 
-               print (int) $this->dbh->fetch_result($result, 0, "num_inactive");
+               print (int) db_fetch_result($result, 0, "num_inactive");
        }
 
        static function subscribe_to_feed_url() {