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
   7 use Friendica\App;
   8 use Friendica\Content\Text\BBCode;
   9 use Friendica\Core\Cache;
  10 use Friendica\Core\Config;
  11 use Friendica\Core\System;
  12 use Friendica\Database\DBM;
  13 use Friendica\Protocol\PortableContact;
  14 use Friendica\Util\DateTimeFormat;
  15
  16 function poco_init(App $a) {
  17         $system_mode = false;
  18
  19         if (intval(Config::get('system', 'block_public')) || (Config::get('system', 'block_local_dir'))) {
  20                 System::httpExit(401);
  21         }
  22
  23         if ($a->argc > 1) {
  24                 $user = notags(trim($a->argv[1]));
  25         }
  26         if (! x($user)) {
  27                 $c = q("SELECT * FROM `pconfig` WHERE `cat` = 'system' AND `k` = 'suggestme' AND `v` = 1");
  28                 if (! DBM::is_result($c)) {
  29                         System::httpExit(401);
  30                 }
  31                 $system_mode = true;
  32         }
  33
  34         $format = (($_GET['format']) ? $_GET['format'] : 'json');
  35
  36         $justme = false;
  37         $global = false;
  38
  39         if ($a->argc > 1 && $a->argv[1] === '@server') {
  40                 // List of all servers that this server knows
  41                 $ret = PortableContact::serverlist();
  42                 header('Content-type: application/json');
  43                 echo json_encode($ret);
  44                 killme();
  45         }
  46
  47         if ($a->argc > 1 && $a->argv[1] === '@global') {
  48                 // List of all profiles that this server recently had data from
  49                 $global = true;
  50                 $update_limit = date(DateTimeFormat::MYSQL, time() - 30 * 86400);
  51         }
  52         if ($a->argc > 2 && $a->argv[2] === '@me') {
  53                 $justme = true;
  54         }
  55         if ($a->argc > 3 && $a->argv[3] === '@all') {
  56                 $justme = false;
  57         }
  58         if ($a->argc > 3 && $a->argv[3] === '@self') {
  59                 $justme = true;
  60         }
  61         if ($a->argc > 4 && intval($a->argv[4]) && $justme == false) {
  62                 $cid = intval($a->argv[4]);
  63         }
  64
  65         if (! $system_mode && ! $global) {
  66                 $users = q("SELECT `user`.*,`profile`.`hide-friends` from user left join profile on `user`.`uid` = `profile`.`uid`
  67                         where `user`.`nickname` = '%s' and `profile`.`is-default` = 1 limit 1",
  68                         dbesc($user)
  69                 );
  70                 if (! DBM::is_result($users) || $users[0]['hidewall'] || $users[0]['hide-friends']) {
  71                         System::httpExit(404);
  72                 }
  73
  74                 $user = $users[0];
  75         }
  76
  77         if ($justme) {
  78                 $sql_extra = " AND `contact`.`self` = 1 ";
  79         }
  80 //      else
  81 //              $sql_extra = " AND `contact`.`self` = 0 ";
  82
  83         if ($cid) {
  84                 $sql_extra = sprintf(" AND `contact`.`id` = %d ", intval($cid));
  85         }
  86         if (x($_GET, 'updatedSince')) {
  87                 $update_limit = date(DateTimeFormat::MYSQL, strtotime($_GET['updatedSince']));
  88         }
  89         if ($global) {
  90                 $contacts = q("SELECT count(*) AS `total` FROM `gcontact` WHERE `updated` >= '%s' AND `updated` >= `last_failure` AND NOT `hide` AND `network` IN ('%s', '%s', '%s')",
  91                         dbesc($update_limit),
  92                         dbesc(NETWORK_DFRN),
  93                         dbesc(NETWORK_DIASPORA),
  94                         dbesc(NETWORK_OSTATUS)
  95                 );
  96         } elseif ($system_mode) {
  97                 $contacts = q("SELECT count(*) AS `total` FROM `contact` WHERE `self` = 1
  98                         AND `uid` IN (SELECT `uid` FROM `pconfig` WHERE `cat` = 'system' AND `k` = 'suggestme' AND `v` = 1) ");
  99         } else {
 100                 $contacts = q("SELECT count(*) AS `total` FROM `contact` WHERE `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `hidden` = 0 AND `archive` = 0
 101                         AND (`success_update` >= `failure_update` OR `last-item` >= `failure_update`)
 102                         AND `network` IN ('%s', '%s', '%s', '%s') $sql_extra",
 103                         intval($user['uid']),
 104                         dbesc(NETWORK_DFRN),
 105                         dbesc(NETWORK_DIASPORA),
 106                         dbesc(NETWORK_OSTATUS),
 107                         dbesc(NETWORK_STATUSNET)
 108                 );
 109         }
 110         if (DBM::is_result($contacts)) {
 111                 $totalResults = intval($contacts[0]['total']);
 112         } else {
 113                 $totalResults = 0;
 114         }
 115         $startIndex = intval($_GET['startIndex']);
 116         if (! $startIndex) {
 117                 $startIndex = 0;
 118         }
 119         $itemsPerPage = ((x($_GET, 'count') && intval($_GET['count'])) ? intval($_GET['count']) : $totalResults);
 120
 121         if ($global) {
 122                 logger("Start global query", LOGGER_DEBUG);
 123                 $contacts = q("SELECT * FROM `gcontact` WHERE `updated` > '%s' AND NOT `hide` AND `network` IN ('%s', '%s', '%s') AND `updated` > `last_failure`
 124                         ORDER BY `updated` DESC LIMIT %d, %d",
 125                         dbesc($update_limit),
 126                         dbesc(NETWORK_DFRN),
 127                         dbesc(NETWORK_DIASPORA),
 128                         dbesc(NETWORK_OSTATUS),
 129                         intval($startIndex),
 130                         intval($itemsPerPage)
 131                 );
 132         } elseif ($system_mode) {
 133                 logger("Start system mode query", LOGGER_DEBUG);
 134                 $contacts = q("SELECT `contact`.*, `profile`.`about` AS `pabout`, `profile`.`locality` AS `plocation`, `profile`.`pub_keywords`,
 135                                 `profile`.`gender` AS `pgender`, `profile`.`address` AS `paddress`, `profile`.`region` AS `pregion`,
 136                                 `profile`.`postal-code` AS `ppostalcode`, `profile`.`country-name` AS `pcountry`, `user`.`account-type`
 137                         FROM `contact` INNER JOIN `profile` ON `profile`.`uid` = `contact`.`uid`
 138                                 INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
 139                         WHERE `self` = 1 AND `profile`.`is-default`
 140                         AND `contact`.`uid` IN (SELECT `uid` FROM `pconfig` WHERE `cat` = 'system' AND `k` = 'suggestme' AND `v` = 1) LIMIT %d, %d",
 141                         intval($startIndex),
 142                         intval($itemsPerPage)
 143                 );
 144         } else {
 145                 logger("Start query for user " . $user['nickname'], LOGGER_DEBUG);
 146                 $contacts = q("SELECT * FROM `contact` WHERE `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `hidden` = 0 AND `archive` = 0
 147                         AND (`success_update` >= `failure_update` OR `last-item` >= `failure_update`)
 148                         AND `network` IN ('%s', '%s', '%s', '%s') $sql_extra LIMIT %d, %d",
 149                         intval($user['uid']),
 150                         dbesc(NETWORK_DFRN),
 151                         dbesc(NETWORK_DIASPORA),
 152                         dbesc(NETWORK_OSTATUS),
 153                         dbesc(NETWORK_STATUSNET),
 154                         intval($startIndex),
 155                         intval($itemsPerPage)
 156                 );
 157         }
 158         logger("Query done", LOGGER_DEBUG);
 159
 160         $ret = [];
 161         if (x($_GET, 'sorted')) {
 162                 $ret['sorted'] = false;
 163         }
 164         if (x($_GET, 'filtered')) {
 165                 $ret['filtered'] = false;
 166         }
 167         if (x($_GET, 'updatedSince') && ! $global) {
 168                 $ret['updatedSince'] = false;
 169         }
 170         $ret['startIndex']   = (int) $startIndex;
 171         $ret['itemsPerPage'] = (int) $itemsPerPage;
 172         $ret['totalResults'] = (int) $totalResults;
 173         $ret['entry']        = [];
 174
 175
 176         $fields_ret = [
 177                 'id' => false,
 178                 'displayName' => false,
 179                 'urls' => false,
 180                 'updated' => false,
 181                 'preferredUsername' => false,
 182                 'photos' => false,
 183                 'aboutMe' => false,
 184                 'currentLocation' => false,
 185                 'network' => false,
 186                 'gender' => false,
 187                 'tags' => false,
 188                 'address' => false,
 189                 'contactType' => false,
 190                 'generation' => false
 191         ];
 192
 193         if ((! x($_GET, 'fields')) || ($_GET['fields'] === '@all')) {
 194                 foreach ($fields_ret as $k => $v) {
 195                         $fields_ret[$k] = true;
 196                 }
 197         } else {
 198                 $fields_req = explode(',', $_GET['fields']);
 199                 foreach ($fields_req as $f) {
 200                         $fields_ret[trim($f)] = true;
 201                 }
 202         }
 203
 204         if (is_array($contacts)) {
 205                 if (DBM::is_result($contacts)) {
 206                         foreach ($contacts as $contact) {
 207                                 if (! isset($contact['generation'])) {
 208                                         if ($global) {
 209                                                 $contact['generation'] = 3;
 210                                         } elseif ($system_mode) {
 211                                                 $contact['generation'] = 1;
 212                                         } else {
 213                                                 $contact['generation'] = 2;
 214                                         }
 215                                 }
 216
 217                                 if (($contact['about'] == "") && isset($contact['pabout'])) {
 218                                         $contact['about'] = $contact['pabout'];
 219                                 }
 220                                 if ($contact['location'] == "") {
 221                                         if (isset($contact['plocation'])) {
 222                                                 $contact['location'] = $contact['plocation'];
 223                                         }
 224                                         if (isset($contact['pregion']) && ( $contact['pregion'] != "")) {
 225                                                 if ($contact['location'] != "") {
 226                                                         $contact['location'] .= ", ";
 227                                                 }
 228                                                 $contact['location'] .= $contact['pregion'];
 229                                         }
 230
 231                                         if (isset($contact['pcountry']) && ( $contact['pcountry'] != "")) {
 232                                                 if ($contact['location'] != "") {
 233                                                         $contact['location'] .= ", ";
 234                                                 }
 235                                                 $contact['location'] .= $contact['pcountry'];
 236                                         }
 237                                 }
 238
 239                                 if (($contact['gender'] == "") && isset($contact['pgender'])) {
 240                                         $contact['gender'] = $contact['pgender'];
 241                                 }
 242                                 if (($contact['keywords'] == "") && isset($contact['pub_keywords'])) {
 243                                         $contact['keywords'] = $contact['pub_keywords'];
 244                                 }
 245                                 if (isset($contact['account-type'])) {
 246                                         $contact['contact-type'] = $contact['account-type'];
 247                                 }
 248                                 $about = Cache::get("about:" . $contact['updated'] . ":" . $contact['nurl']);
 249                                 if (is_null($about)) {
 250                                         $about = BBCode::convert($contact['about'], false);
 251                                         Cache::set("about:" . $contact['updated'] . ":" . $contact['nurl'], $about);
 252                                 }
 253
 254                                 // Non connected persons can only see the keywords of a Diaspora account
 255                                 if ($contact['network'] == NETWORK_DIASPORA) {
 256                                         $contact['location'] = "";
 257                                         $about = "";
 258                                         $contact['gender'] = "";
 259                                 }
 260
 261                                 $entry = [];
 262                                 if ($fields_ret['id']) {
 263                                         $entry['id'] = (int)$contact['id'];
 264                                 }
 265                                 if ($fields_ret['displayName']) {
 266                                         $entry['displayName'] = $contact['name'];
 267                                 }
 268                                 if ($fields_ret['aboutMe']) {
 269                                         $entry['aboutMe'] = $about;
 270                                 }
 271                                 if ($fields_ret['currentLocation']) {
 272                                         $entry['currentLocation'] = $contact['location'];
 273                                 }
 274                                 if ($fields_ret['gender']) {
 275                                         $entry['gender'] = $contact['gender'];
 276                                 }
 277                                 if ($fields_ret['generation']) {
 278                                         $entry['generation'] = (int)$contact['generation'];
 279                                 }
 280                                 if ($fields_ret['urls']) {
 281                                         $entry['urls'] = [['value' => $contact['url'], 'type' => 'profile']];
 282                                         if ($contact['addr'] && ($contact['network'] !== NETWORK_MAIL)) {
 283                                                 $entry['urls'][] = ['value' => 'acct:' . $contact['addr'], 'type' => 'webfinger'];
 284                                         }
 285                                 }
 286                                 if ($fields_ret['preferredUsername']) {
 287                                         $entry['preferredUsername'] = $contact['nick'];
 288                                 }
 289                                 if ($fields_ret['updated']) {
 290                                         if (! $global) {
 291                                                 $entry['updated'] = $contact['success_update'];
 292
 293                                                 if ($contact['name-date'] > $entry['updated']) {
 294                                                         $entry['updated'] = $contact['name-date'];
 295                                                 }
 296                                                 if ($contact['uri-date'] > $entry['updated']) {
 297                                                         $entry['updated'] = $contact['uri-date'];
 298                                                 }
 299                                                 if ($contact['avatar-date'] > $entry['updated']) {
 300                                                         $entry['updated'] = $contact['avatar-date'];
 301                                                 }
 302                                         } else {
 303                                                 $entry['updated'] = $contact['updated'];
 304                                         }
 305                                         $entry['updated'] = date("c", strtotime($entry['updated']));
 306                                 }
 307                                 if ($fields_ret['photos']) {
 308                                         $entry['photos'] = [['value' => $contact['photo'], 'type' => 'profile']];
 309                                 }
 310                                 if ($fields_ret['network']) {
 311                                         $entry['network'] = $contact['network'];
 312                                         if ($entry['network'] == NETWORK_STATUSNET) {
 313                                                 $entry['network'] = NETWORK_OSTATUS;
 314                                         }
 315                                         if (($entry['network'] == "") && ($contact['self'])) {
 316                                                 $entry['network'] = NETWORK_DFRN;
 317                                         }
 318                                 }
 319                                 if ($fields_ret['tags']) {
 320                                         $tags = str_replace(",", " ", $contact['keywords']);
 321                                         $tags = explode(" ", $tags);
 322
 323                                         $cleaned = [];
 324                                         foreach ($tags as $tag) {
 325                                                 $tag = trim(strtolower($tag));
 326                                                 if ($tag != "") {
 327                                                         $cleaned[] = $tag;
 328                                                 }
 329                                         }
 330
 331                                         $entry['tags'] = [$cleaned];
 332                                 }
 333                                 if ($fields_ret['address']) {
 334                                         $entry['address'] = [];
 335
 336                                         // Deactivated. It just reveals too much data. (Although its from the default profile)
 337                                         //if (isset($rr['paddress']))
 338                                         //       $entry['address']['streetAddress'] = $rr['paddress'];
 339
 340                                         if (isset($contact['plocation'])) {
 341                                                 $entry['address']['locality'] = $contact['plocation'];
 342                                         }
 343                                         if (isset($contact['pregion'])) {
 344                                                 $entry['address']['region'] = $contact['pregion'];
 345                                         }
 346                                         // See above
 347                                         //if (isset($rr['ppostalcode']))
 348                                         //       $entry['address']['postalCode'] = $rr['ppostalcode'];
 349
 350                                         if (isset($contact['pcountry'])) {
 351                                                 $entry['address']['country'] = $contact['pcountry'];
 352                                         }
 353                                 }
 354
 355                                 if ($fields_ret['contactType']) {
 356                                         $entry['contactType'] = intval($contact['contact-type']);
 357                                 }
 358                                 $ret['entry'][] = $entry;
 359                         }
 360                 } else {
 361                         $ret['entry'][] = [];
 362                 }
 363         } else {
 364                 System::httpExit(500);
 365         }
 366         logger("End of poco", LOGGER_DEBUG);
 367
 368         if ($format === 'xml') {
 369                 header('Content-type: text/xml');
 370                 echo replace_macros(get_markup_template('poco_xml.tpl'), array_xmlify(['$response' => $ret]));
 371                 killme();
 372         }
 373         if ($format === 'json') {
 374                 header('Content-type: application/json');
 375                 echo json_encode($ret);
 376                 killme();
 377         } else {
 378                 System::httpExit(500);
 379         }
 380 }