mod/poco.php

   1 <?php
   2
   3 // See here for a documentation for portable contacts:
   4 // https://web.archive.org/web/20160405005550/http://portablecontacts.net/draft-spec.html
   5
   6 use Friendica\App;
   7 use Friendica\Core\Cache;
   8 use Friendica\Core\Config;
   9 use Friendica\Core\System;
  10 use Friendica\Database\DBM;
  11 use Friendica\Protocol\PortableContact;
  12 use Friendica\Util\Temporal;
  13
  14 function poco_init(App $a) {
  15         $system_mode = false;
  16
  17         if (intval(Config::get('system', 'block_public')) || (Config::get('system', 'block_local_dir'))) {
  18                 System::httpExit(401);
  19         }
  20
  21         if ($a->argc > 1) {
  22                 $user = notags(trim($a->argv[1]));
  23         }
  24         if (! x($user)) {
  25                 $c = q("SELECT * FROM `pconfig` WHERE `cat` = 'system' AND `k` = 'suggestme' AND `v` = 1");
  26                 if (! DBM::is_result($c)) {
  27                         System::httpExit(401);
  28                 }
  29                 $system_mode = true;
  30         }
  31
  32         $format = (($_GET['format']) ? $_GET['format'] : 'json');
  33
  34         $justme = false;
  35         $global = false;
  36
  37         if ($a->argc > 1 && $a->argv[1] === '@server') {
  38                 // List of all servers that this server knows
  39                 $ret = PortableContact::serverlist();
  40                 header('Content-type: application/json');
  41                 echo json_encode($ret);
  42                 killme();
  43         }
  44         if ($a->argc > 1 && $a->argv[1] === '@global') {
  45                 // List of all profiles that this server recently had data from
  46                 $global = true;
  47                 $update_limit = date(Temporal::MYSQL, time() - 30 * 86400);
  48         }
  49         if ($a->argc > 2 && $a->argv[2] === '@me') {
  50                 $justme = true;
  51         }
  52         if ($a->argc > 3 && $a->argv[3] === '@all') {
  53                 $justme = false;
  54         }
  55         if ($a->argc > 3 && $a->argv[3] === '@self') {
  56                 $justme = true;
  57         }
  58         if ($a->argc > 4 && intval($a->argv[4]) && $justme == false) {
  59                 $cid = intval($a->argv[4]);
  60         }
  61
  62         if (! $system_mode && ! $global) {
  63                 $users = q("SELECT `user`.*,`profile`.`hide-friends` from user left join profile on `user`.`uid` = `profile`.`uid`
  64                         where `user`.`nickname` = '%s' and `profile`.`is-default` = 1 limit 1",
  65                         dbesc($user)
  66                 );
  67                 if (! DBM::is_result($users) || $users[0]['hidewall'] || $users[0]['hide-friends']) {
  68                         System::httpExit(404);
  69                 }
  70
  71                 $user = $users[0];
  72         }
  73
  74         if ($justme) {
  75                 $sql_extra = " AND `contact`.`self` = 1 ";
  76         }
  77 //      else
  78 //              $sql_extra = " AND `contact`.`self` = 0 ";
  79
  80         if ($cid) {
  81                 $sql_extra = sprintf(" AND `contact`.`id` = %d ", intval($cid));
  82         }
  83         if (x($_GET, 'updatedSince')) {
  84                 $update_limit = date(Temporal::MYSQL, strtotime($_GET['updatedSince']));
  85         }
  86         if ($global) {
  87                 $contacts = q("SELECT count(*) AS `total` FROM `gcontact` WHERE `updated` >= '%s' AND `updated` >= `last_failure` AND NOT `hide` AND `network` IN ('%s', '%s', '%s')",
  88                         dbesc($update_limit),
  89                         dbesc(NETWORK_DFRN),
  90                         dbesc(NETWORK_DIASPORA),
  91                         dbesc(NETWORK_OSTATUS)
  92                 );
  93         } elseif ($system_mode) {
  94                 $contacts = q("SELECT count(*) AS `total` FROM `contact` WHERE `self` = 1
  95                         AND `uid` IN (SELECT `uid` FROM `pconfig` WHERE `cat` = 'system' AND `k` = 'suggestme' AND `v` = 1) ");
  96         } else {
  97                 $contacts = q("SELECT count(*) AS `total` FROM `contact` WHERE `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `hidden` = 0 AND `archive` = 0
  98                         AND (`success_update` >= `failure_update` OR `last-item` >= `failure_update`)
  99                         AND `network` IN ('%s', '%s', '%s', '%s') $sql_extra",
 100                         intval($user['uid']),
 101                         dbesc(NETWORK_DFRN),
 102                         dbesc(NETWORK_DIASPORA),
 103                         dbesc(NETWORK_OSTATUS),
 104                         dbesc(NETWORK_STATUSNET)
 105                 );
 106         }
 107         if (DBM::is_result($contacts)) {
 108                 $totalResults = intval($contacts[0]['total']);
 109         } else {
 110                 $totalResults = 0;
 111         }
 112         $startIndex = intval($_GET['startIndex']);
 113         if (! $startIndex) {
 114                 $startIndex = 0;
 115         }
 116         $itemsPerPage = ((x($_GET, 'count') && intval($_GET['count'])) ? intval($_GET['count']) : $totalResults);
 117
 118         if ($global) {
 119                 logger("Start global query", LOGGER_DEBUG);
 120                 $contacts = q("SELECT * FROM `gcontact` WHERE `updated` > '%s' AND NOT `hide` AND `network` IN ('%s', '%s', '%s') AND `updated` > `last_failure`
 121                         ORDER BY `updated` DESC LIMIT %d, %d",
 122                         dbesc($update_limit),
 123                         dbesc(NETWORK_DFRN),
 124                         dbesc(NETWORK_DIASPORA),
 125                         dbesc(NETWORK_OSTATUS),
 126                         intval($startIndex),
 127                         intval($itemsPerPage)
 128                 );
 129         } elseif ($system_mode) {
 130                 logger("Start system mode query", LOGGER_DEBUG);
 131                 $contacts = q("SELECT `contact`.*, `profile`.`about` AS `pabout`, `profile`.`locality` AS `plocation`, `profile`.`pub_keywords`,
 132                                 `profile`.`gender` AS `pgender`, `profile`.`address` AS `paddress`, `profile`.`region` AS `pregion`,
 133                                 `profile`.`postal-code` AS `ppostalcode`, `profile`.`country-name` AS `pcountry`, `user`.`account-type`
 134                         FROM `contact` INNER JOIN `profile` ON `profile`.`uid` = `contact`.`uid`
 135                                 INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
 136                         WHERE `self` = 1 AND `profile`.`is-default`
 137                         AND `contact`.`uid` IN (SELECT `uid` FROM `pconfig` WHERE `cat` = 'system' AND `k` = 'suggestme' AND `v` = 1) LIMIT %d, %d",
 138                         intval($startIndex),
 139                         intval($itemsPerPage)
 140                 );
 141         } else {
 142                 logger("Start query for user " . $user['nickname'], LOGGER_DEBUG);
 143                 $contacts = q("SELECT * FROM `contact` WHERE `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `hidden` = 0 AND `archive` = 0
 144                         AND (`success_update` >= `failure_update` OR `last-item` >= `failure_update`)
 145                         AND `network` IN ('%s', '%s', '%s', '%s') $sql_extra LIMIT %d, %d",
 146                         intval($user['uid']),
 147                         dbesc(NETWORK_DFRN),
 148                         dbesc(NETWORK_DIASPORA),
 149                         dbesc(NETWORK_OSTATUS),
 150                         dbesc(NETWORK_STATUSNET),
 151                         intval($startIndex),
 152                         intval($itemsPerPage)
 153                 );
 154         }
 155         logger("Query done", LOGGER_DEBUG);
 156
 157         $ret = [];
 158         if (x($_GET, 'sorted')) {
 159                 $ret['sorted'] = false;
 160         }
 161         if (x($_GET, 'filtered')) {
 162                 $ret['filtered'] = false;
 163         }
 164         if (x($_GET, 'updatedSince') && ! $global) {
 165                 $ret['updatedSince'] = false;
 166         }
 167         $ret['startIndex']   = (int) $startIndex;
 168         $ret['itemsPerPage'] = (int) $itemsPerPage;
 169         $ret['totalResults'] = (int) $totalResults;
 170         $ret['entry']        = [];
 171
 172
 173         $fields_ret = [
 174                 'id' => false,
 175                 'displayName' => false,
 176                 'urls' => false,
 177                 'updated' => false,
 178                 'preferredUsername' => false,
 179                 'photos' => false,
 180                 'aboutMe' => false,
 181                 'currentLocation' => false,
 182                 'network' => false,
 183                 'gender' => false,
 184                 'tags' => false,
 185                 'address' => false,
 186                 'contactType' => false,
 187                 'generation' => false
 188         ];
 189
 190         if ((! x($_GET, 'fields')) || ($_GET['fields'] === '@all')) {
 191                 foreach ($fields_ret as $k => $v) {
 192                         $fields_ret[$k] = true;
 193                 }
 194         } else {
 195                 $fields_req = explode(',', $_GET['fields']);
 196                 foreach ($fields_req as $f) {
 197                         $fields_ret[trim($f)] = true;
 198                 }
 199         }
 200
 201         if (is_array($contacts)) {
 202                 if (DBM::is_result($contacts)) {
 203                         foreach ($contacts as $contact) {
 204                                 if (! isset($contact['generation'])) {
 205                                         if ($global) {
 206                                                 $contact['generation'] = 3;
 207                                         } elseif ($system_mode) {
 208                                                 $contact['generation'] = 1;
 209                                         } else {
 210                                                 $contact['generation'] = 2;
 211                                         }
 212                                 }
 213
 214                                 if (($contact['about'] == "") && isset($contact['pabout'])) {
 215                                         $contact['about'] = $contact['pabout'];
 216                                 }
 217                                 if ($contact['location'] == "") {
 218                                         if (isset($contact['plocation'])) {
 219                                                 $contact['location'] = $contact['plocation'];
 220                                         }
 221                                         if (isset($contact['pregion']) && ( $contact['pregion'] != "")) {
 222                                                 if ($contact['location'] != "") {
 223                                                         $contact['location'] .= ", ";
 224                                                 }
 225                                                 $contact['location'] .= $contact['pregion'];
 226                                         }
 227
 228                                         if (isset($contact['pcountry']) && ( $contact['pcountry'] != "")) {
 229                                                 if ($contact['location'] != "") {
 230                                                         $contact['location'] .= ", ";
 231                                                 }
 232                                                 $contact['location'] .= $contact['pcountry'];
 233                                         }
 234                                 }
 235
 236                                 if (($contact['gender'] == "") && isset($contact['pgender'])) {
 237                                         $contact['gender'] = $contact['pgender'];
 238                                 }
 239                                 if (($contact['keywords'] == "") && isset($contact['pub_keywords'])) {
 240                                         $contact['keywords'] = $contact['pub_keywords'];
 241                                 }
 242                                 if (isset($contact['account-type'])) {
 243                                         $contact['contact-type'] = $contact['account-type'];
 244                                 }
 245                                 $about = Cache::get("about:" . $contact['updated'] . ":" . $contact['nurl']);
 246                                 if (is_null($about)) {
 247                                         require_once 'include/bbcode.php';
 248                                         $about = bbcode($contact['about'], false, false);
 249                                         Cache::set("about:" . $contact['updated'] . ":" . $contact['nurl'], $about);
 250                                 }
 251
 252                                 // Non connected persons can only see the keywords of a Diaspora account
 253                                 if ($contact['network'] == NETWORK_DIASPORA) {
 254                                         $contact['location'] = "";
 255                                         $about = "";
 256                                         $contact['gender'] = "";
 257                                 }
 258
 259                                 $entry = [];
 260                                 if ($fields_ret['id']) {
 261                                         $entry['id'] = (int)$contact['id'];
 262                                 }
 263                                 if ($fields_ret['displayName']) {
 264                                         $entry['displayName'] = $contact['name'];
 265                                 }
 266                                 if ($fields_ret['aboutMe']) {
 267                                         $entry['aboutMe'] = $about;
 268                                 }
 269                                 if ($fields_ret['currentLocation']) {
 270                                         $entry['currentLocation'] = $contact['location'];
 271                                 }
 272                                 if ($fields_ret['gender']) {
 273                                         $entry['gender'] = $contact['gender'];
 274                                 }
 275                                 if ($fields_ret['generation']) {
 276                                         $entry['generation'] = (int)$contact['generation'];
 277                                 }
 278                                 if ($fields_ret['urls']) {
 279                                         $entry['urls'] = [['value' => $contact['url'], 'type' => 'profile']];
 280                                         if ($contact['addr'] && ($contact['network'] !== NETWORK_MAIL)) {
 281                                                 $entry['urls'][] = ['value' => 'acct:' . $contact['addr'], 'type' => 'webfinger'];
 282                                         }
 283                                 }
 284                                 if ($fields_ret['preferredUsername']) {
 285                                         $entry['preferredUsername'] = $contact['nick'];
 286                                 }
 287                                 if ($fields_ret['updated']) {
 288                                         if (! $global) {
 289                                                 $entry['updated'] = $contact['success_update'];
 290
 291                                                 if ($contact['name-date'] > $entry['updated']) {
 292                                                         $entry['updated'] = $contact['name-date'];
 293                                                 }
 294                                                 if ($contact['uri-date'] > $entry['updated']) {
 295                                                         $entry['updated'] = $contact['uri-date'];
 296                                                 }
 297                                                 if ($contact['avatar-date'] > $entry['updated']) {
 298                                                         $entry['updated'] = $contact['avatar-date'];
 299                                                 }
 300                                         } else {
 301                                                 $entry['updated'] = $contact['updated'];
 302                                         }
 303                                         $entry['updated'] = date("c", strtotime($entry['updated']));
 304                                 }
 305                                 if ($fields_ret['photos']) {
 306                                         $entry['photos'] = [['value' => $contact['photo'], 'type' => 'profile']];
 307                                 }
 308                                 if ($fields_ret['network']) {
 309                                         $entry['network'] = $contact['network'];
 310                                         if ($entry['network'] == NETWORK_STATUSNET) {
 311                                                 $entry['network'] = NETWORK_OSTATUS;
 312                                         }
 313                                         if (($entry['network'] == "") && ($contact['self'])) {
 314                                                 $entry['network'] = NETWORK_DFRN;
 315                                         }
 316                                 }
 317                                 if ($fields_ret['tags']) {
 318                                         $tags = str_replace(",", " ", $contact['keywords']);
 319                                         $tags = explode(" ", $tags);
 320
 321                                         $cleaned = [];
 322                                         foreach ($tags as $tag) {
 323                                                 $tag = trim(strtolower($tag));
 324                                                 if ($tag != "") {
 325                                                         $cleaned[] = $tag;
 326                                                 }
 327                                         }
 328
 329                                         $entry['tags'] = [$cleaned];
 330                                 }
 331                                 if ($fields_ret['address']) {
 332                                         $entry['address'] = [];
 333
 334                                         // Deactivated. It just reveals too much data. (Although its from the default profile)
 335                                         //if (isset($rr['paddress']))
 336                                         //       $entry['address']['streetAddress'] = $rr['paddress'];
 337
 338                                         if (isset($contact['plocation'])) {
 339                                                 $entry['address']['locality'] = $contact['plocation'];
 340                                         }
 341                                         if (isset($contact['pregion'])) {
 342                                                 $entry['address']['region'] = $contact['pregion'];
 343                                         }
 344                                         // See above
 345                                         //if (isset($rr['ppostalcode']))
 346                                         //       $entry['address']['postalCode'] = $rr['ppostalcode'];
 347
 348                                         if (isset($contact['pcountry'])) {
 349                                                 $entry['address']['country'] = $contact['pcountry'];
 350                                         }
 351                                 }
 352
 353                                 if ($fields_ret['contactType']) {
 354                                         $entry['contactType'] = intval($contact['contact-type']);
 355                                 }
 356                                 $ret['entry'][] = $entry;
 357                         }
 358                 } else {
 359                         $ret['entry'][] = [];
 360                 }
 361         } else {
 362                 System::httpExit(500);
 363         }
 364         logger("End of poco", LOGGER_DEBUG);
 365
 366         if ($format === 'xml') {
 367                 header('Content-type: text/xml');
 368                 echo replace_macros(get_markup_template('poco_xml.tpl'), array_xmlify(['$response' => $ret]));
 369                 killme();
 370         }
 371         if ($format === 'json') {
 372                 header('Content-type: application/json');
 373                 echo json_encode($ret);
 374                 killme();
 375         } else {
 376                 System::httpExit(500);
 377         }
 378 }