plugins/googlereaderimport/init.php

   1 <?php
   2 class GoogleReaderImport extends Plugin {
   3
   4
   5         private $link;
   6         private $host;
   7
   8         function about() {
   9                 return array(1.0,
  10                         "Import starred/shared items from Google Reader takeout",
  11                         "fox",
  12                         false,
  13                         "");
  14         }
  15
  16         function init($host) {
  17                 $this->link = $host->get_link();
  18                 $this->host = $host;
  19
  20                 $host->add_command("greader-import",
  21                         "import data in Google Reader JSON format",
  22                         $this, ":", "FILE");
  23
  24                 $host->add_hook($host::HOOK_PREFS_TAB, $this);
  25         }
  26
  27         function greader_import($args) {
  28                 $file = $args['greader_import'];
  29
  30                 if (!file_exists($file)) {
  31                         _debug("file not found: $file");
  32                         return;
  33                 }
  34
  35                 _debug("please enter your username:");
  36
  37                 $username = db_escape_string($this->link, trim(read_stdin()));
  38
  39                 _debug("looking up user: $username...");
  40
  41                 $result = db_query($this->link, "SELECT id FROM ttrss_users
  42                         WHERE login = '$username'");
  43
  44                 if (db_num_rows($result) == 0) {
  45                         _debug("user not found.");
  46                         return;
  47                 }
  48
  49                 $owner_uid = db_fetch_result($result, 0, "id");
  50
  51                 _debug("processing: $file (owner_uid: $owner_uid)");
  52
  53                 $this->import($file, $owner_uid);
  54         }
  55
  56         function get_prefs_js() {
  57                 return file_get_contents(dirname(__FILE__) . "/init.js");
  58         }
  59
  60         function import($file = false, $owner_uid = 0) {
  61
  62                 purge_orphans($this->link);
  63
  64                 if (!$file) {
  65                         header("Content-Type: text/html");
  66
  67                         $owner_uid = $_SESSION["uid"];
  68
  69                         if ($_FILES['starred_file']['error'] != 0) {
  70                                 print_error(T_sprintf("Upload failed with error code %d",
  71                                         $_FILES['starred_file']['error']));
  72                                 return;
  73                         }
  74
  75                         $tmp_file = false;
  76
  77                         if (is_uploaded_file($_FILES['starred_file']['tmp_name'])) {
  78                                 $tmp_file = tempnam(CACHE_DIR . '/upload', 'starred');
  79
  80                                 $result = move_uploaded_file($_FILES['starred_file']['tmp_name'],
  81                                         $tmp_file);
  82
  83                                 if (!$result) {
  84                                         print_error(__("Unable to move uploaded file."));
  85                                         return;
  86                                 }
  87                         } else {
  88                                 print_error(__('Error: please upload OPML file.'));
  89                                 return;
  90                         }
  91
  92                         if (is_file($tmp_file)) {
  93                                 $doc = json_decode(file_get_contents($tmp_file), true);
  94                                 unlink($tmp_file);
  95                         } else {
  96                                 print_error(__('No file uploaded.'));
  97                                 return;
  98                         }
  99                 } else {
 100                         $doc = json_decode(file_get_contents($file), true);
 101                 }
 102
 103                 if ($file) {
 104                         $sql_set_marked = strtolower(basename($file)) == 'starred.json' ? 'true' : 'false';
 105                         _debug("will set articles as starred: $sql_set_marked");
 106
 107                 } else {
 108                         $sql_set_marked = strtolower($_FILES['starred_file']['name']) == 'starred.json' ? 'true' : 'false';
 109                 }
 110
 111                 if ($doc) {
 112                         if (isset($doc['items'])) {
 113                                 $processed = 0;
 114
 115                                 foreach ($doc['items'] as $item) {
 116 //                                      print_r($item);
 117
 118                                         $guid = db_escape_string($this->link, mb_substr($item['id'], 0, 250));
 119                                         $title = db_escape_string($this->link, $item['title']);
 120                                         $updated = date('Y-m-d h:i:s', $item['updated']);
 121                                         $link = '';
 122                                         $content = '';
 123                                         $author = db_escape_string($this->link, $item['author']);
 124                                         $tags = array();
 125                                         $orig_feed_data = array();
 126
 127                                         if (is_array($item['alternate'])) {
 128                                                 foreach ($item['alternate'] as $alt) {
 129                                                         if (isset($alt['type']) && $alt['type'] == 'text/html') {
 130                                                                 $link = db_escape_string($this->link, $alt['href']);
 131                                                         }
 132                                                 }
 133                                         }
 134
 135                                         if (is_array($item['summary'])) {
 136                                                 $content = db_escape_string($this->link,
 137                                                         $item['summary']['content'], false);
 138                                         }
 139
 140                                         if (is_array($item['content'])) {
 141                                                 $content = db_escape_string($this->link,
 142                                                         $item['content']['content'], false);
 143                                         }
 144
 145                                         if (is_array($item['categories'])) {
 146                                                 foreach ($item['categories'] as $cat) {
 147                                                         if (strstr($cat, "com.google/") === FALSE) {
 148                                                                 array_push($tags, sanitize_tag($cat));
 149                                                         }
 150                                                 }
 151                                         }
 152
 153                                         if (is_array($item['origin'])) {
 154                                                 if (strpos($item['origin']['streamId'], 'feed/') === 0) {
 155
 156                                                         $orig_feed_data['feed_url'] = db_escape_string($this->link,
 157                                                                 mb_substr(preg_replace("/^feed\//",
 158                                                                         "", $item['origin']['streamId']), 0, 200));
 159
 160                                                         $orig_feed_data['title'] = db_escape_string($this->link,
 161                                                                 mb_substr($item['origin']['title'], 0, 200));
 162
 163                                                         $orig_feed_data['site_url'] = db_escape_string($this->link,
 164                                                                 mb_substr($item['origin']['htmlUrl'], 0, 200));
 165                                                 }
 166                                         }
 167
 168                                         $processed++;
 169
 170                                         $imported += (int) $this->create_article($owner_uid, $guid, $title,
 171                                                 $updated, $link, $content, $author, $sql_set_marked, $tags,
 172                                                 $orig_feed_data);
 173
 174                                         if ($file && $processed % 25 == 0) {
 175                                                 _debug("processed $processed articles...");
 176                                         }
 177                                 }
 178
 179                                 if ($file) {
 180                                         _debug(sprintf("All done. %d of %d articles imported.", $imported, $processed));
 181                                 } else {
 182                                         print "<p style='text-align : center'>" . T_sprintf("All done. %d out of %d articles imported.", $imported, $processed) . "</p>";
 183                                 }
 184
 185                         } else {
 186                                 print_error(__('The document has incorrect format.'));
 187                         }
 188
 189                 } else {
 190                         print_error(__('Error while parsing document.'));
 191                 }
 192
 193                 if (!$file) {
 194                         print "<div align='center'>";
 195                         print "<button dojoType=\"dijit.form.Button\"
 196                                 onclick=\"dijit.byId('starredImportDlg').execute()\">".
 197                                 __('Close this window')."</button>";
 198                         print "</div>";
 199                 }
 200         }
 201
 202         // expects ESCAPED data
 203         private function create_article($owner_uid, $guid, $title, $updated, $link, $content, $author, $marked, $tags, $orig_feed_data) {
 204
 205                 if (!$guid) $guid = sha1($link);
 206
 207                 $create_archived_feeds = true;
 208
 209                 $guid = "$owner_uid,$guid";
 210
 211                 $content_hash = sha1($content);
 212
 213                 if (filter_var($link, FILTER_VALIDATE_URL) === FALSE) return false;
 214
 215                 db_query($this->link, "BEGIN");
 216
 217                 $feed_id = 'NULL';
 218
 219                 // let's check for archived feed entry
 220
 221                 $feed_inserted = false;
 222
 223                 // before dealing with archived feeds we must check ttrss_feeds to maintain id consistency
 224
 225                 if ($orig_feed_data['feed_url'] && $create_archived_feeds) {
 226                                 $result = db_query($this->link,
 227                                         "SELECT id FROM ttrss_feeds WHERE feed_url = '".$orig_feed_data['feed_url']."'
 228                                                 AND owner_uid = $owner_uid");
 229
 230                         if (db_num_rows($result) != 0) {
 231                                 $feed_id = db_fetch_result($result, 0, "id");
 232                         } else {
 233                                 // let's insert it
 234
 235                                 if (!$orig_feed_data['title']) $orig_feed_data['title'] = '[Unknown]';
 236
 237                                 $result = db_query($this->link,
 238                                         "INSERT INTO ttrss_feeds
 239                                                 (owner_uid,feed_url,site_url,title,cat_id,auth_login,auth_pass,update_method)
 240                                                 VALUES ($owner_uid,
 241                                                 '".$orig_feed_data['feed_url']."',
 242                                                 '".$orig_feed_data['site_url']."',
 243                                                 '".$orig_feed_data['title']."',
 244                                                 NULL, '', '', 0)");
 245
 246                                 $result = db_query($this->link,
 247                                         "SELECT id FROM ttrss_feeds WHERE feed_url = '".$orig_feed_data['feed_url']."'
 248                                                 AND owner_uid = $owner_uid");
 249
 250                                 if (db_num_rows($result) != 0) {
 251                                         $feed_id = db_fetch_result($result, 0, "id");
 252                                         $feed_inserted = true;
 253                                 }
 254                         }
 255                 }
 256
 257                 if ($feed_id && $feed_id != 'NULL') {
 258                         // locate archived entry to file entries in, we don't want to file them in actual feeds because of purging
 259                         // maybe file marked in real feeds because eh
 260
 261                         $result = db_query($this->link, "SELECT id FROM ttrss_archived_feeds WHERE
 262                                 feed_url = '".$orig_feed_data['feed_url']."' AND owner_uid = $owner_uid");
 263
 264                         if (db_num_rows($result) != 0) {
 265                                 $orig_feed_id = db_fetch_result($result, 0, "id");
 266                         } else {
 267                                 db_query($this->link, "INSERT INTO ttrss_archived_feeds
 268                                                 (id, owner_uid, title, feed_url, site_url)
 269                                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
 270                                                         WHERE id = '$feed_id'");
 271
 272                                 $result = db_query($this->link, "SELECT id FROM ttrss_archived_feeds WHERE
 273                                         feed_url = '".$orig_feed_data['feed_url']."' AND owner_uid = $owner_uid");
 274
 275                                 if (db_num_rows($result) != 0) {
 276                                         $orig_feed_id = db_fetch_result($result, 0, "id");
 277                                 }
 278                         }
 279                 }
 280
 281                 // delete temporarily inserted feed
 282                 if ($feed_id && $feed_inserted) {
 283                                 db_query($this->link, "DELETE FROM ttrss_feeds WHERE id = $feed_id");
 284                 }
 285
 286                 if (!$orig_feed_id) $orig_feed_id = 'NULL';
 287
 288                 $result = db_query($this->link, "SELECT id FROM ttrss_entries, ttrss_user_entries WHERE
 289                         guid = '$guid' AND ref_id = id AND owner_uid = '$owner_uid' LIMIT 1");
 290
 291                 if (db_num_rows($result) == 0) {
 292                         $result = db_query($this->link, "INSERT INTO ttrss_entries
 293                                 (title, guid, link, updated, content, content_hash, date_entered, date_updated, author)
 294                                 VALUES
 295                                 ('$title', '$guid', '$link', '$updated', '$content', '$content_hash', NOW(), NOW(), '$author')");
 296
 297                         $result = db_query($this->link, "SELECT id FROM ttrss_entries WHERE guid = '$guid'");
 298
 299                         if (db_num_rows($result) != 0) {
 300                                 $ref_id = db_fetch_result($result, 0, "id");
 301
 302                                 db_query($this->link, "INSERT INTO ttrss_user_entries
 303                                         (ref_id, uuid, feed_id, orig_feed_id, owner_uid, marked, tag_cache, label_cache,
 304                                                 last_read, note, unread, last_marked)
 305                                         VALUES
 306                                         ('$ref_id', '', NULL, $orig_feed_id, $owner_uid, $marked, '', '', NOW(), '', false, NOW())");
 307
 308                                 $result = db_query($this->link, "SELECT int_id FROM ttrss_user_entries, ttrss_entries
 309                                         WHERE owner_uid = $owner_uid AND ref_id = id AND ref_id = $ref_id");
 310
 311                                 if (db_num_rows($result) != 0 && is_array($tags)) {
 312
 313                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
 314                                         $tags_to_cache = array();
 315
 316                                         foreach ($tags as $tag) {
 317
 318                                                 $tag = db_escape_string($this->link, sanitize_tag($tag));
 319
 320                                                 if (!tag_is_valid($tag)) continue;
 321
 322                                                 $result = db_query($this->link, "SELECT id FROM ttrss_tags
 323                                                         WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
 324                                                         owner_uid = '$owner_uid' LIMIT 1");
 325
 326                                                         if ($result && db_num_rows($result) == 0) {
 327                                                                 db_query($this->link, "INSERT INTO ttrss_tags
 328                                                                         (owner_uid,tag_name,post_int_id)
 329                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
 330                                                         }
 331
 332                                                 array_push($tags_to_cache, $tag);
 333                                         }
 334
 335                                         /* update the cache */
 336
 337                                         $tags_to_cache = array_unique($tags_to_cache);
 338                                         $tags_str = db_escape_string($this->link, join(",", $tags_to_cache));
 339
 340                                         db_query($this->link, "UPDATE ttrss_user_entries
 341                                                 SET tag_cache = '$tags_str' WHERE ref_id = '$ref_id'
 342                                                 AND owner_uid = $owner_uid");
 343                                 }
 344
 345                                 $rc = true;
 346                         }
 347                 }
 348
 349                 db_query($this->link, "COMMIT");
 350
 351                 return $rc;
 352         }
 353
 354         function hook_prefs_tab($args) {
 355                 if ($args != "prefFeeds") return;
 356
 357                 print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__("Import starred or shared items from Google Reader")."\">";
 358
 359                 print_notice("Your imported articles will appear in Starred (in file is named starred.json) and Archived feeds.");
 360
 361                 print "<p>".__("Paste your starred.json or shared.json into the form below."). "</p>";
 362
 363                 print "<iframe id=\"starred_upload_iframe\"
 364                         name=\"starred_upload_iframe\" onload=\"starredImportComplete(this)\"
 365                         style=\"width: 400px; height: 100px; display: none;\"></iframe>";
 366
 367                 print "<form name=\"starred_form\" style='display : block' target=\"starred_upload_iframe\"
 368                         enctype=\"multipart/form-data\" method=\"POST\"
 369                         action=\"backend.php\">
 370                         <input id=\"starred_file\" name=\"starred_file\" type=\"file\">&nbsp;
 371                         <input type=\"hidden\" name=\"op\" value=\"pluginhandler\">
 372                         <input type=\"hidden\" name=\"method\" value=\"import\">
 373                         <input type=\"hidden\" name=\"plugin\" value=\"googlereaderimport\">
 374                         <button dojoType=\"dijit.form.Button\" onclick=\"return starredImport();\" type=\"submit\">" .
 375                         __('Import my Starred items') . "</button>";
 376
 377
 378                 print "</div>"; #pane
 379         }
 380 }
 381 ?>