plugins/googlereaderimport/init.php

   1 <?php
   2 class GoogleReaderImport extends Plugin {
   3         private $host;
   4
   5         function about() {
   6                 return array(1.0,
   7                         "Import starred/shared items from Google Reader takeout",
   8                         "fox",
   9                         false,
  10                         "");
  11         }
  12
  13         function init($host) {
  14                 $this->host = $host;
  15
  16                 $host->add_command("greader-import",
  17                         "import data in Google Reader JSON format",
  18                         $this, ":", "FILE");
  19
  20                 $host->add_hook($host::HOOK_PREFS_TAB, $this);
  21         }
  22
  23         function greader_import($args) {
  24                 $file = $args['greader_import'];
  25
  26                 if (!file_exists($file)) {
  27                         _debug("file not found: $file");
  28                         return;
  29                 }
  30
  31                 _debug("please enter your username:");
  32
  33                 $username = db_escape_string( trim(read_stdin()));
  34
  35                 _debug("looking up user: $username...");
  36
  37                 $result = db_query( "SELECT id FROM ttrss_users
  38                         WHERE login = '$username'");
  39
  40                 if (db_num_rows($result) == 0) {
  41                         _debug("user not found.");
  42                         return;
  43                 }
  44
  45                 $owner_uid = db_fetch_result($result, 0, "id");
  46
  47                 _debug("processing: $file (owner_uid: $owner_uid)");
  48
  49                 $this->import($file, $owner_uid);
  50         }
  51
  52         function get_prefs_js() {
  53                 return file_get_contents(dirname(__FILE__) . "/init.js");
  54         }
  55
  56         function import($file = false, $owner_uid = 0) {
  57
  58                 purge_orphans();
  59
  60                 if (!$file) {
  61                         header("Content-Type: text/html");
  62
  63                         $owner_uid = $_SESSION["uid"];
  64
  65                         if ($_FILES['starred_file']['error'] != 0) {
  66                                 print_error(T_sprintf("Upload failed with error code %d",
  67                                         $_FILES['starred_file']['error']));
  68                                 return;
  69                         }
  70
  71                         $tmp_file = false;
  72
  73                         if (is_uploaded_file($_FILES['starred_file']['tmp_name'])) {
  74                                 $tmp_file = tempnam(CACHE_DIR . '/upload', 'starred');
  75
  76                                 $result = move_uploaded_file($_FILES['starred_file']['tmp_name'],
  77                                         $tmp_file);
  78
  79                                 if (!$result) {
  80                                         print_error(__("Unable to move uploaded file."));
  81                                         return;
  82                                 }
  83                         } else {
  84                                 print_error(__('Error: please upload OPML file.'));
  85                                 return;
  86                         }
  87
  88                         if (is_file($tmp_file)) {
  89                                 $doc = json_decode(file_get_contents($tmp_file), true);
  90                                 unlink($tmp_file);
  91                         } else {
  92                                 print_error(__('No file uploaded.'));
  93                                 return;
  94                         }
  95                 } else {
  96                         $doc = json_decode(file_get_contents($file), true);
  97                 }
  98
  99                 if ($file) {
 100                         $sql_set_marked = strtolower(basename($file)) == 'starred.json' ? 'true' : 'false';
 101                         _debug("will set articles as starred: $sql_set_marked");
 102
 103                 } else {
 104                         $sql_set_marked = strtolower($_FILES['starred_file']['name']) == 'starred.json' ? 'true' : 'false';
 105                 }
 106
 107                 if ($doc) {
 108                         if (isset($doc['items'])) {
 109                                 $processed = 0;
 110
 111                                 foreach ($doc['items'] as $item) {
 112 //                                      print_r($item);
 113
 114                                         $guid = db_escape_string( mb_substr($item['id'], 0, 250));
 115                                         $title = db_escape_string( $item['title']);
 116                                         $updated = date('Y-m-d h:i:s', $item['updated']);
 117                                         $link = '';
 118                                         $content = '';
 119                                         $author = db_escape_string( $item['author']);
 120                                         $tags = array();
 121                                         $orig_feed_data = array();
 122
 123                                         if (is_array($item['alternate'])) {
 124                                                 foreach ($item['alternate'] as $alt) {
 125                                                         if (isset($alt['type']) && $alt['type'] == 'text/html') {
 126                                                                 $link = db_escape_string( $alt['href']);
 127                                                         }
 128                                                 }
 129                                         }
 130
 131                                         if (is_array($item['summary'])) {
 132                                                 $content = db_escape_string(
 133                                                         $item['summary']['content'], false);
 134                                         }
 135
 136                                         if (is_array($item['content'])) {
 137                                                 $content = db_escape_string(
 138                                                         $item['content']['content'], false);
 139                                         }
 140
 141                                         if (is_array($item['categories'])) {
 142                                                 foreach ($item['categories'] as $cat) {
 143                                                         if (strstr($cat, "com.google/") === FALSE) {
 144                                                                 array_push($tags, sanitize_tag($cat));
 145                                                         }
 146                                                 }
 147                                         }
 148
 149                                         if (is_array($item['origin'])) {
 150                                                 if (strpos($item['origin']['streamId'], 'feed/') === 0) {
 151
 152                                                         $orig_feed_data['feed_url'] = db_escape_string(
 153                                                                 mb_substr(preg_replace("/^feed\//",
 154                                                                         "", $item['origin']['streamId']), 0, 200));
 155
 156                                                         $orig_feed_data['title'] = db_escape_string(
 157                                                                 mb_substr($item['origin']['title'], 0, 200));
 158
 159                                                         $orig_feed_data['site_url'] = db_escape_string(
 160                                                                 mb_substr($item['origin']['htmlUrl'], 0, 200));
 161                                                 }
 162                                         }
 163
 164                                         $processed++;
 165
 166                                         $imported += (int) $this->create_article($owner_uid, $guid, $title,
 167                                                 $updated,  $content, $author, $sql_set_marked, $tags,
 168                                                 $orig_feed_data);
 169
 170                                         if ($file && $processed % 25 == 0) {
 171                                                 _debug("processed $processed articles...");
 172                                         }
 173                                 }
 174
 175                                 if ($file) {
 176                                         _debug(sprintf("All done. %d of %d articles imported.", $imported, $processed));
 177                                 } else {
 178                                         print "<p style='text-align : center'>" . T_sprintf("All done. %d out of %d articles imported.", $imported, $processed) . "</p>";
 179                                 }
 180
 181                         } else {
 182                                 print_error(__('The document has incorrect format.'));
 183                         }
 184
 185                 } else {
 186                         print_error(__('Error while parsing document.'));
 187                 }
 188
 189                 if (!$file) {
 190                         print "<div align='center'>";
 191                         print "<button dojoType=\"dijit.form.Button\"
 192                                 onclick=\"dijit.byId('starredImportDlg').execute()\">".
 193                                 __('Close this window')."</button>";
 194                         print "</div>";
 195                 }
 196         }
 197
 198         // expects ESCAPED data
 199         private function create_article($owner_uid, $guid, $title, $updated,  $content, $author, $marked, $tags, $orig_feed_data) {
 200
 201                 if (!$guid) $guid = sha1($link);
 202
 203                 $create_archived_feeds = true;
 204
 205                 $guid = "$owner_uid,$guid";
 206
 207                 $content_hash = sha1($content);
 208
 209                 if (filter_var( FILTER_VALIDATE_URL) === FALSE) return false;
 210
 211                 db_query( "BEGIN");
 212
 213                 $feed_id = 'NULL';
 214
 215                 // let's check for archived feed entry
 216
 217                 $feed_inserted = false;
 218
 219                 // before dealing with archived feeds we must check ttrss_feeds to maintain id consistency
 220
 221                 if ($orig_feed_data['feed_url'] && $create_archived_feeds) {
 222                                 $result = db_query(
 223                                         "SELECT id FROM ttrss_feeds WHERE feed_url = '".$orig_feed_data['feed_url']."'
 224                                                 AND owner_uid = $owner_uid");
 225
 226                         if (db_num_rows($result) != 0) {
 227                                 $feed_id = db_fetch_result($result, 0, "id");
 228                         } else {
 229                                 // let's insert it
 230
 231                                 if (!$orig_feed_data['title']) $orig_feed_data['title'] = '[Unknown]';
 232
 233                                 $result = db_query(
 234                                         "INSERT INTO ttrss_feeds
 235                                                 (owner_uid,feed_url,site_url,title,cat_id,auth_login,auth_pass,update_method)
 236                                                 VALUES ($owner_uid,
 237                                                 '".$orig_feed_data['feed_url']."',
 238                                                 '".$orig_feed_data['site_url']."',
 239                                                 '".$orig_feed_data['title']."',
 240                                                 NULL, '', '', 0)");
 241
 242                                 $result = db_query(
 243                                         "SELECT id FROM ttrss_feeds WHERE feed_url = '".$orig_feed_data['feed_url']."'
 244                                                 AND owner_uid = $owner_uid");
 245
 246                                 if (db_num_rows($result) != 0) {
 247                                         $feed_id = db_fetch_result($result, 0, "id");
 248                                         $feed_inserted = true;
 249                                 }
 250                         }
 251                 }
 252
 253                 if ($feed_id && $feed_id != 'NULL') {
 254                         // locate archived entry to file entries in, we don't want to file them in actual feeds because of purging
 255                         // maybe file marked in real feeds because eh
 256
 257                         $result = db_query( "SELECT id FROM ttrss_archived_feeds WHERE
 258                                 feed_url = '".$orig_feed_data['feed_url']."' AND owner_uid = $owner_uid");
 259
 260                         if (db_num_rows($result) != 0) {
 261                                 $orig_feed_id = db_fetch_result($result, 0, "id");
 262                         } else {
 263                                 db_query( "INSERT INTO ttrss_archived_feeds
 264                                                 (id, owner_uid, title, feed_url, site_url)
 265                                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
 266                                                         WHERE id = '$feed_id'");
 267
 268                                 $result = db_query( "SELECT id FROM ttrss_archived_feeds WHERE
 269                                         feed_url = '".$orig_feed_data['feed_url']."' AND owner_uid = $owner_uid");
 270
 271                                 if (db_num_rows($result) != 0) {
 272                                         $orig_feed_id = db_fetch_result($result, 0, "id");
 273                                 }
 274                         }
 275                 }
 276
 277                 // delete temporarily inserted feed
 278                 if ($feed_id && $feed_inserted) {
 279                                 db_query( "DELETE FROM ttrss_feeds WHERE id = $feed_id");
 280                 }
 281
 282                 if (!$orig_feed_id) $orig_feed_id = 'NULL';
 283
 284                 $result = db_query( "SELECT id FROM ttrss_entries, ttrss_user_entries WHERE
 285                         guid = '$guid' AND ref_id = id AND owner_uid = '$owner_uid' LIMIT 1");
 286
 287                 if (db_num_rows($result) == 0) {
 288                         $result = db_query( "INSERT INTO ttrss_entries
 289                                 (title, guid, link, updated, content, content_hash, date_entered, date_updated, author)
 290                                 VALUES
 291                                 ('$title', '$guid', '$link', '$updated', '$content', '$content_hash', NOW(), NOW(), '$author')");
 292
 293                         $result = db_query( "SELECT id FROM ttrss_entries WHERE guid = '$guid'");
 294
 295                         if (db_num_rows($result) != 0) {
 296                                 $ref_id = db_fetch_result($result, 0, "id");
 297
 298                                 db_query( "INSERT INTO ttrss_user_entries
 299                                         (ref_id, uuid, feed_id, orig_feed_id, owner_uid, marked, tag_cache, label_cache,
 300                                                 last_read, note, unread, last_marked)
 301                                         VALUES
 302                                         ('$ref_id', '', NULL, $orig_feed_id, $owner_uid, $marked, '', '', NOW(), '', false, NOW())");
 303
 304                                 $result = db_query( "SELECT int_id FROM ttrss_user_entries, ttrss_entries
 305                                         WHERE owner_uid = $owner_uid AND ref_id = id AND ref_id = $ref_id");
 306
 307                                 if (db_num_rows($result) != 0 && is_array($tags)) {
 308
 309                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
 310                                         $tags_to_cache = array();
 311
 312                                         foreach ($tags as $tag) {
 313
 314                                                 $tag = db_escape_string( sanitize_tag($tag));
 315
 316                                                 if (!tag_is_valid($tag)) continue;
 317
 318                                                 $result = db_query( "SELECT id FROM ttrss_tags
 319                                                         WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
 320                                                         owner_uid = '$owner_uid' LIMIT 1");
 321
 322                                                         if ($result && db_num_rows($result) == 0) {
 323                                                                 db_query( "INSERT INTO ttrss_tags
 324                                                                         (owner_uid,tag_name,post_int_id)
 325                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
 326                                                         }
 327
 328                                                 array_push($tags_to_cache, $tag);
 329                                         }
 330
 331                                         /* update the cache */
 332
 333                                         $tags_to_cache = array_unique($tags_to_cache);
 334                                         $tags_str = db_escape_string( join(",", $tags_to_cache));
 335
 336                                         db_query( "UPDATE ttrss_user_entries
 337                                                 SET tag_cache = '$tags_str' WHERE ref_id = '$ref_id'
 338                                                 AND owner_uid = $owner_uid");
 339                                 }
 340
 341                                 $rc = true;
 342                         }
 343                 }
 344
 345                 db_query( "COMMIT");
 346
 347                 return $rc;
 348         }
 349
 350         function hook_prefs_tab($args) {
 351                 if ($args != "prefFeeds") return;
 352
 353                 print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__("Import starred or shared items from Google Reader")."\">";
 354
 355                 print_notice("Your imported articles will appear in Starred (in file is named starred.json) and Archived feeds.");
 356
 357                 print "<p>".__("Paste your starred.json or shared.json into the form below."). "</p>";
 358
 359                 print "<iframe id=\"starred_upload_iframe\"
 360                         name=\"starred_upload_iframe\" onload=\"starredImportComplete(this)\"
 361                         style=\"width: 400px; height: 100px; display: none;\"></iframe>";
 362
 363                 print "<form name=\"starred_form\" style='display : block' target=\"starred_upload_iframe\"
 364                         enctype=\"multipart/form-data\" method=\"POST\"
 365                         action=\"backend.php\">
 366                         <input id=\"starred_file\" name=\"starred_file\" type=\"file\">&nbsp;
 367                         <input type=\"hidden\" name=\"op\" value=\"pluginhandler\">
 368                         <input type=\"hidden\" name=\"method\" value=\"import\">
 369                         <input type=\"hidden\" name=\"plugin\" value=\"googlereaderimport\">
 370                         <button dojoType=\"dijit.form.Button\" onclick=\"return starredImport();\" type=\"submit\">" .
 371                         __('Import my Starred items') . "</button>";
 372
 373                 print "</form>";
 374
 375                 print "</div>"; #pane
 376         }
 377 }
 378 ?>