diff options
Diffstat (limited to 'utils')
-rw-r--r-- | utils/xml-export.php | 164 | ||||
-rw-r--r-- | utils/xml-import.php | 198 |
2 files changed, 362 insertions, 0 deletions
diff --git a/utils/xml-export.php b/utils/xml-export.php new file mode 100644 index 000000000..620331fba --- /dev/null +++ b/utils/xml-export.php @@ -0,0 +1,164 @@ +<? + session_start(); + + define('MAX_SCHEMA_VERSION', 4); + + require_once "config.php"; + require_once "functions.php"; + require_once "db.php"; + + if ($_GET["export"]) { + header("Content-Type: application/xml"); + } +?> + +<? if (!$_GET["export"]) { ?> + +<html> +<head> + <title>XML Export</title> + <link rel="stylesheet" href="opml.css" type="text/css"> +</head> +<body> +<h1><img src="images/ttrss_logo.png"></h1> + +<div class="opmlBody"> + <h2>XML Export</h2> + <form method="GET"> + Limit to: <input type="checkbox" checked name="marked"> starred, + <input type="checkbox" name="unread"> unread.<br> + <p><input type="submit" class="button" name="export" value="Export"></p> + </form> +</div> + +</body> +</html> + +<? } else { ?> + +<xmldb> + +<? + $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME); + + if (!$link) { + if (DB_TYPE == "mysql") { + print mysql_error(); + } + // PG seems to display its own errors just fine by default. + return; + } + + if (DB_TYPE == "pgsql") { + pg_query("set client_encoding = 'utf-8'"); + } + + $result = db_query($link, "SELECT schema_version FROM ttrss_version"); + + $schema_version = db_fetch_result($result, 0, "schema_version"); + +/* if ($schema_version != SCHEMA_VERSION) { + print "<error>Source database schema is invalid + (got version $schema_version; expected ".SCHEMA_VERSION.")</error>"; + print "</xmldb>"; + return; + } */ + + print "<schema_version>$schema_version</schema_version>"; + + if ($schema_version > 1) { + $owner_uid = $_SESSION["uid"]; + print "<owner_uid>$owner_uid</owner_uid>"; + } + + print "<exported>" . time() . "</exported>"; +?> + +<? + if ($_GET["marked"]) { + $marked_qpart = "AND marked = true"; + } + + if ($_GET["unread"]) { + $unread_qpart = "AND unread = true"; + } + + if ($schema_version == 1) { + + $result = db_query($link, "SELECT + ttrss_entries.title AS title, + content, + marked, + unread, + updated, + guid, + link, + SUBSTRING(date_entered,1,16) AS date_entered, + SUBSTRING(last_read,1,16) AS last_read, + comments, + ttrss_feeds.feed_url AS feed_url, + ttrss_feeds.title AS feed_title + FROM + ttrss_entries,ttrss_feeds + WHERE + feed_id = ttrss_feeds.id $marked_qpart $unread_qpart + ORDER BY ttrss_entries.id"); + + } else if ($schema_version >= 2 && $schema_version <= MAX_SCHEMA_VERSION) { + + $result = db_query($link, "SELECT + ttrss_entries.title AS title, + content, + marked, + unread, + updated, + guid, + link, + SUBSTRING(date_entered,1,16) AS date_entered, + SUBSTRING(last_read,1,16) AS last_read, + comments, + ttrss_feeds.feed_url AS feed_url, + ttrss_feeds.title AS feed_title + FROM + ttrss_entries,ttrss_feeds,ttrss_user_entries + WHERE + ttrss_user_entries.owner_uid = '$owner_uid' AND + ref_id = ttrss_entries.id AND + feed_id = ttrss_feeds.id $marked_qpart $unread_qpart + ORDER BY ttrss_entries.id"); + + } else { + + // BAD SCHEMA, NO COOKIE + + print "<error>Source database schema is invalid + (got version $schema_version)</error>"; + } + + print "<total_articles>" . db_num_rows($result) . "</total_articles>"; + +?> + +<articles> + +<? + while ($line = db_fetch_assoc($result)) { + print "<article>"; + + foreach (array_keys($line) as $key) { + $line[$key] = str_replace("<![CDATA[", "", $line[$key]); + $line[$key] = str_replace("]]>", "", $line[$key]); + + print "<$key><![CDATA[".$line[$key]."]]></$key>"; + + } + + print "</article>"; + } + +?> +</articles> + +</xmldb> + +<? } ?> diff --git a/utils/xml-import.php b/utils/xml-import.php new file mode 100644 index 000000000..6cae60e0d --- /dev/null +++ b/utils/xml-import.php @@ -0,0 +1,198 @@ +<? + session_start(); + + require_once "config.php"; + require_once "functions.php"; + require_once "db.php"; + + define('MAX_SOURCE_SCHEMA_VERSION', 4); + define('TARGET_SCHEMA_VERSION', 4); + + $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME); + + login_sequence($link); + + if (!$link) { + if (DB_TYPE == "mysql") { + print mysql_error(); + } + // PG seems to display its own errors just fine by default. + return; + } + + if (DB_TYPE == "pgsql") { + pg_query("set client_encoding = 'utf-8'"); + } + + $result = db_query($link, "SELECT schema_version FROM ttrss_version"); + + $schema_version = db_fetch_result($result, 0, "schema_version"); + + if ($schema_version != TARGET_SCHEMA_VERSION) { + print "Error: database schema is invalid + (got version $schema_version; expected ".TARGET_SCHEMA_VERSION.")"; + return; + } + + function import_article($link, $data) { + + print "<p>Article: <b>".$data["title"]. + "</b> (".$data["feed_title"].")<br>"; + + $owner_uid = $_SESSION["uid"]; + + db_query($link, "BEGIN"); + + $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE feed_url = '". + db_escape_string($data["feed_url"]) . "' AND owner_uid = '$owner_uid'"); + + if (db_num_rows($result) == 0) { + return false; + } + + $feed_id = db_fetch_result($result, 0, "id"); + + $result = db_query($link, "SELECT id FROM ttrss_entries WHERE + guid = '".$data["guid"]."'"); + + if (db_num_rows($result) == 0) { + + print "Adding base entry...<br>"; + + $entry_title = db_escape_string($data["title"]); + $entry_guid = db_escape_string($data["guid"]); + $entry_link = db_escape_string($data["link"]); + $updated = db_escape_string($data["updated"]); + $date_entered = db_escape_string($data["date_entered"]); + $entry_content = db_escape_string($data["content"]); + $content_hash = "SHA1:" . sha1(strip_tags($entry_content)); + $entry_comments = db_escape_string($data["comments"]); + + $result = db_query($link, + "INSERT INTO ttrss_entries + (title, + guid, + link, + updated, + content, + content_hash, + no_orig_date, + date_entered, + comments) + VALUES + ('$entry_title', + '$entry_guid', + '$entry_link', + '$updated', + '$entry_content', + '$content_hash', + false, + '$date_entered', + '$entry_comments')"); + } + + $result = db_query($link, "SELECT id FROM ttrss_entries WHERE + guid = '".$data["guid"]."'"); + + if (db_num_rows($result) == 0) { return false; } + + $entry_id = db_fetch_result($result, 0, "id"); + + print "Found base ID: $entry_id<br>"; + + $result = db_query($link, "SELECT int_id FROM ttrss_user_entries WHERE + ref_id = '$entry_id' AND owner_uid = '$owner_uid'"); + + if (db_num_rows($result) == 0) { + print "User table entry not found, creating...<br>"; + + $unread = sql_bool_to_string(db_escape_string($data["unread"])); + $marked = sql_bool_to_string(db_escape_string($data["marked"])); + $last_read = db_escape_string($data["last_read"]); + + if (!$last_read) { + $last_read_qpart = 'NULL'; + } else { + $last_read_qpart = "'$last_read'"; + } + + $result = db_query($link, + "INSERT INTO ttrss_user_entries + (ref_id, owner_uid, feed_id, unread, marked, last_read) + VALUES ('$entry_id', '$owner_uid', '$feed_id', $unread, $marked, + $last_read_qpart)"); + + } else { + print "User table entry already exists, nothing to do.<br>"; + } + + db_query($link, "COMMIT"); + + } + +?> +<html> +<head> + <title>XML Import</title> + <link rel="stylesheet" href="opml.css" type="text/css"> +</head> +<body> + + <h1><img src="images/ttrss_logo.png"></h1> + + <div class="opmlBody"> + + <? if ($_REQUEST["op"] != "Import") { ?> + + <h2>Import XMLDB</h2> + + <form enctype="multipart/form-data" method="POST" action="xml-import.php"> + File: <input name="xmldb" type="file"> + <input class="button" name="op" type="submit" value="Import"> + </form> + + <? } else { + + print "<h2>Importing data</h2>"; + + if (is_file($_FILES['xmldb']['tmp_name'])) { + $dom = domxml_open_file($_FILES['xmldb']['tmp_name']); +// $dom = domxml_open_file('xmldb.xml'); + + if ($dom) { + $root = $dom->document_element(); + + $schema_version = $root->get_elements_by_tagname('schema_version'); + $schema_version = $schema_version[0]->get_content(); + + if ($schema_version > MAX_SOURCE_SCHEMA_VERSION) { + die("Incorrect source schema version"); + } + + $articles = $root->get_elements_by_tagname("article"); + + foreach ($articles as $article) { + $child_nodes = $article->child_nodes(); + + $article_data = array(); + + foreach ($child_nodes as $child) { + $article_data[$child->tagname()] = $child->get_content(); + } + + $is_imported = import_article($link, $article_data); + } + + print "<p><a class=\"button\" href=\"prefs.php\">Return to preferences</a>"; + } else { + print "Error: could not parse document."; + } + } else { + print "<p>Error: please upload XMLDB.</p>"; + } + + } ?> +</div> +</body> +</html> + |