implement neutral-format personal data export

[tt-rss.git] / classes / rpc.php

diff --git a/classes/rpc.php b/classes/rpc.php
index 4cdaef93582a6467c8cf7b22cb31601242552bff..497b1a55d80fc4e627ab2d4639bf801466892e95 100644 (file)
--- a/classes/rpc.php
+++ b/classes/rpc.php
@@ -2,7 +2,7 @@
 class RPC extends Protected_Handler {
 
        function csrf_ignore($method) {
-               $csrf_ignored = array("sanitycheck", "buttonplugin");
+               $csrf_ignored = array("sanitycheck", "buttonplugin", "exportget");
 
                return array_search($method, $csrf_ignored) !== false;
        }
@@ -14,6 +14,83 @@ class RPC extends Protected_Handler {
                $_SESSION["prefs_cache"] = array();
        }
 
+       function exportget() {
+               $exportname = CACHE_DIR . "/export/" .
+                       sha1($_SESSION['uid'] . $_SESSION['login']) . ".xml";
+
+               if (file_exists($exportname)) {
+                       header("Content-type: text/xml");
+                       header("Content-Disposition: attachment; filename=TinyTinyRSS_exported.xml");
+
+                       echo file_get_contents($exportname);
+               } else {
+                       echo "File not found.";
+               }
+       }
+
+       function exportrun() {
+               $offset = (int) db_escape_string($_REQUEST['offset']);
+               $exported = 0;
+               $limit = 250;
+
+               if ($offset < 10000 && is_writable(CACHE_DIR . "/export")) {
+                       $result = db_query($this->link, "SELECT
+                                       ttrss_entries.guid,
+                                       ttrss_entries.title,
+                                       content,
+                                       marked,
+                                       published,
+                                       score,
+                                       note,
+                                       tag_cache,
+                                       label_cache,
+                                       ttrss_feeds.title AS feed_title,
+                                       ttrss_feeds.feed_url AS feed_url,
+                                       ttrss_entries.updated
+                               FROM
+                                       ttrss_user_entries LEFT JOIN ttrss_feeds ON (ttrss_feeds.id = feed_id),
+                                       ttrss_entries
+                               WHERE
+                                       (marked = true OR feed_id IS NULL) AND
+                                       ref_id = ttrss_entries.id AND
+                                       ttrss_user_entries.owner_uid = " . $_SESSION['uid'] . "
+                               ORDER BY ttrss_entries.id LIMIT $limit OFFSET $offset");
+
+                       $exportname = sha1($_SESSION['uid'] . $_SESSION['login']);
+
+                       if ($offset == 0) {
+                               $fp = fopen(CACHE_DIR . "/export/$exportname.xml", "w");
+                               fputs($fp, "<articles schema-version=\"".SCHEMA_VERSION."\">");
+                       } else {
+                               $fp = fopen(CACHE_DIR . "/export/$exportname.xml", "a");
+                       }
+
+                       if ($fp) {
+
+                               while ($line = db_fetch_assoc($result)) {
+                                       fputs($fp, "<article>");
+
+                                       foreach ($line as $k => $v) {
+                                               fputs($fp, "<$k><![CDATA[$v]]></$k>");
+                                       }
+
+                                       fputs($fp, "</article>");
+                               }
+
+                               $exported = db_num_rows($result);
+
+                               if ($exported < $limit && $exported > 0) {
+                                       fputs($fp, "</articles>");
+                               }
+
+                               fclose($fp);
+                       }
+
+               }
+
+               print json_encode(array("exported" => $exported));
+       }
+
        function remprofiles() {
                $ids = explode(",", db_escape_string(trim($_REQUEST["ids"])));