opml.php

   1 <?
   2         session_start();
   3
   4         require_once "sanity_check.php";
   5
   6         // FIXME there are some brackets issues here
   7
   8         $op = $_REQUEST["op"];
   9         if ($op == "Export") {
  10                 header("Content-type: application/xml");
  11                 print "<?xml version=\"1.0\"?>";
  12         }
  13
  14         require_once "config.php";
  15         require_once "db.php";
  16         require_once "db-prefs.php";
  17
  18         $owner_uid = $_SESSION["uid"];
  19
  20         $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  21
  22         if (DB_TYPE == "pgsql") {
  23                 pg_query($link, "set client_encoding = 'utf-8'");
  24         }
  25
  26         if ($op == "Export") {
  27                 print "<opml version=\"1.0\">";
  28                 print "<head><dateCreated>" . date("r", time()) . "</dateCreated></head>";
  29                 print "<body>";
  30
  31                 $cat_mode = false;
  32
  33                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
  34                         $cat_mode = true;
  35                         $result = db_query($link, "SELECT
  36                                         ttrss_feeds.feed_url AS feed_url,
  37                                         ttrss_feeds.title AS title,
  38                                         (SELECT title FROM ttrss_feed_categories WHERE id = cat_id) as cat_title
  39                                         FROM ttrss_feeds
  40                                 ORDER BY cat_title,title");
  41                 } else {
  42                         $result = db_query($link, "SELECT * FROM ttrss_feeds
  43                                 ORDER BY title");
  44                 }
  45
  46                 $old_cat_title = "";
  47
  48                 while ($line = db_fetch_assoc($result)) {
  49                         $title = htmlspecialchars($line["title"]);
  50                         $url = htmlspecialchars($line["feed_url"]);
  51
  52                         if ($cat_mode) {
  53                                 $cat_title = htmlspecialchars($line["cat_title"]);
  54
  55                                 if ($old_cat_title != $cat_title) {
  56                                         if ($old_cat_title) {
  57                                                 print "</outline>";
  58                                         }
  59
  60                                         print "<outline title=\"$cat_title\">";
  61
  62                                         $old_cat_title = $cat_title;
  63                                 }
  64                         }
  65
  66                         print "<outline text=\"$title\" xmlUrl=\"$url\"/>";
  67                 }
  68
  69                 if ($cat_mode && $old_cat_title) {
  70                         print "</outline>";
  71                 }
  72
  73                 print "</body></opml>";
  74         }
  75
  76         if ($op == "Import") {
  77
  78                 print "<html>
  79                         <head>
  80                                 <link rel=\"stylesheet\" href=\"opml.css\" type=\"text/css\">
  81                         </head>
  82                         <body><h1>Importing OPML...</h1>
  83                         <div>";
  84
  85                 if (WEB_DEMO_MODE) {
  86                         print "OPML import is disabled in demo-mode.";
  87                         print "<p><a class=\"button\" href=\"prefs.php\">
  88                         Return to preferences</a></div></body></html>";
  89
  90                         return;
  91                 }
  92
  93                 if (is_file($_FILES['opml_file']['tmp_name'])) {
  94                         $dom = domxml_open_file($_FILES['opml_file']['tmp_name']);
  95
  96                         if ($dom) {
  97                                 $root = $dom->document_element();
  98
  99                                 $body = $root->get_elements_by_tagname('body');
 100
 101                                 if ($body[0]) {
 102                                         $body = $body[0];
 103
 104                                         $outlines = $body->get_elements_by_tagname('outline');
 105
 106                                         $active_category = '';
 107
 108                                         foreach ($outlines as $outline) {
 109                                                 $feed_title = $outline->get_attribute('text');
 110                                                 $cat_title = $outline->get_attribute('title');
 111                                                 $feed_url = $outline->get_attribute('xmlUrl');
 112
 113                                                 if ($cat_title) {
 114                                                         $active_category = $cat_title;
 115
 116                                                         db_query($link, "BEGIN");
 117
 118                                                         $result = db_query($link, "SELECT id FROM
 119                                                                 ttrss_feed_categories WHERE title = '$cat_title' AND
 120                                                                 owner_uid = '$owner_uid' LIMIT 1");
 121
 122                                                         if (db_num_rows($result) == 0) {
 123
 124                                                                 print "Adding category <b>$cat_title</b>...<br>";
 125
 126                                                                 db_query($link, "INSERT INTO ttrss_feed_categories
 127                                                                         (title,owner_uid) VALUES ('$cat_title', '$owner_uid')");
 128                                                         }
 129
 130                                                         db_query($link, "COMMIT");
 131                                                 }
 132
 133 //                                              print "$active_category : $feed_title : $xmlurl<br>";
 134
 135                                                 if (!$feed_title || !$feed_url) continue;
 136
 137                                                 db_query($link, "BEGIN");
 138
 139                                                 $cat_id = null;
 140
 141                                                 if ($active_category) {
 142
 143                                                         $result = db_query($link, "SELECT id FROM
 144                                                                         ttrss_feed_categories WHERE title = '$active_category' AND
 145                                                                         owner_uid = '$owner_uid' LIMIT 1");
 146
 147                                                         if (db_num_rows($result) == 1) {
 148                                                                 $cat_id = db_fetch_result($result, 0, "id");
 149                                                         }
 150                                                 }
 151
 152                                                 $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE
 153                                                         (title = '$feed_title' OR feed_url = '$feed_url')
 154                                                         AND owner_uid = '$owner_uid'");
 155
 156                                                 print "Feed <b>$feed_title</b> ($feed_url)... ";
 157
 158                                                 if (db_num_rows($result) > 0) {
 159                                                         print " Already imported.<br>";
 160                                                 } else {
 161
 162                                                         if ($cat_id) {
 163                                                                 $add_query = "INSERT INTO ttrss_feeds
 164                                                                         (title, feed_url, owner_uid, cat_id) VALUES
 165                                                                         ('$feed_title', '$feed_url', '$owner_uid', '$cat_id')";
 166
 167                                                         } else {
 168                                                                 $add_query = "INSERT INTO ttrss_feeds
 169                                                                         (title, feed_url, owner_uid) VALUES
 170                                                                         ('$feed_title', '$feed_url', '$owner_uid')";
 171
 172                                                         }
 173
 174                                                         db_query($link, $add_query);
 175
 176                                                         print "<b>Done.</b><br>";
 177                                                 }
 178
 179                                                 db_query($link, "COMMIT");
 180                                         }
 181
 182                                 } else {
 183                                         print "Error: can't find body element.";
 184                                 }
 185                         } else {
 186                                 print "Error while parsing document.";
 187                         }
 188
 189                 } else {
 190                         print "Error: please upload OPML file.";
 191                 }
 192
 193                 print "<p><a class=\"button\" href=\"prefs.php\">
 194                         Return to preferences</a>";
 195
 196                 print "</div></body></html>";
 197
 198         }
 199
 200 //      if ($link) db_close($link);
 201
 202 ?>