mod/follow.php

   1 <?php
   2 /**
   3  * @file mod/follow.php
   4  */
   5 use Friendica\App;
   6 use Friendica\Core\Config;
   7 use Friendica\Core\L10n;
   8 use Friendica\Core\Protocol;
   9 use Friendica\Core\Renderer;
  10 use Friendica\Core\System;
  11 use Friendica\Model\Contact;
  12 use Friendica\Model\Profile;
  13 use Friendica\Network\Probe;
  14 use Friendica\Database\DBA;
  15 use Friendica\Util\Proxy as ProxyUtils;
  16 use Friendica\Util\Strings;
  17
  18 function follow_post(App $a)
  19 {
  20         if (!local_user()) {
  21                 System::httpExit(403, ['title' => L10n::t('Access denied.')]);
  22         }
  23
  24         if (isset($_REQUEST['cancel'])) {
  25                 $a->internalRedirect('contact');
  26         }
  27
  28         $uid = local_user();
  29         $url = Strings::escapeTags(trim($_REQUEST['url']));
  30         $return_path = 'follow?url=' . urlencode($url);
  31
  32         // Makes the connection request for friendica contacts easier
  33         // This is just a precaution if maybe this page is called somewhere directly via POST
  34         $_SESSION['fastlane'] = $url;
  35
  36         $result = Contact::createFromProbe($uid, $url, true);
  37
  38         if ($result['success'] == false) {
  39                 if ($result['message']) {
  40                         notice($result['message']);
  41                 }
  42                 $a->internalRedirect($return_path);
  43         } elseif ($result['cid']) {
  44                 $a->internalRedirect('contact/' . $result['cid']);
  45         }
  46
  47         info(L10n::t('The contact could not be added.'));
  48
  49         $a->internalRedirect($return_path);
  50         // NOTREACHED
  51 }
  52
  53 function follow_content(App $a)
  54 {
  55         $return_path = 'contact';
  56
  57         if (!local_user()) {
  58                 notice(L10n::t('Permission denied.'));
  59                 $a->internalRedirect($return_path);
  60                 // NOTREACHED
  61         }
  62
  63         $uid = local_user();
  64         $url = Strings::escapeTags(trim($_REQUEST['url']));
  65
  66         $submit = L10n::t('Submit Request');
  67
  68         // Don't try to add a pending contact
  69         $r = q("SELECT `pending` FROM `contact` WHERE `uid` = %d AND ((`rel` != %d) OR (`network` = '%s')) AND
  70                 (`nurl` = '%s' OR `alias` = '%s' OR `alias` = '%s') AND
  71                 `network` != '%s' LIMIT 1",
  72                 intval(local_user()), DBA::escape(Contact::FOLLOWER), DBA::escape(Protocol::DFRN), DBA::escape(Strings::normaliseLink($url)),
  73                 DBA::escape(Strings::normaliseLink($url)), DBA::escape($url), DBA::escape(Protocol::STATUSNET));
  74
  75         if ($r) {
  76                 if ($r[0]['pending']) {
  77                         notice(L10n::t('You already added this contact.'));
  78                         $submit = '';
  79                         //$a->internalRedirect($_SESSION['return_path']);
  80                         // NOTREACHED
  81                 }
  82         }
  83
  84         $ret = Probe::uri($url);
  85
  86         if (($ret['network'] == Protocol::DIASPORA) && !Config::get('system', 'diaspora_enabled')) {
  87                 notice(L10n::t("Diaspora support isn't enabled. Contact can't be added."));
  88                 $submit = '';
  89                 //$a->internalRedirect($_SESSION['return_path']);
  90                 // NOTREACHED
  91         }
  92
  93         if (($ret['network'] == Protocol::OSTATUS) && Config::get('system', 'ostatus_disabled')) {
  94                 notice(L10n::t("OStatus support is disabled. Contact can't be added."));
  95                 $submit = '';
  96                 //$a->internalRedirect($_SESSION['return_path']);
  97                 // NOTREACHED
  98         }
  99
 100         if ($ret['network'] == Protocol::PHANTOM) {
 101                 notice(L10n::t("The network type couldn't be detected. Contact can't be added."));
 102                 $submit = '';
 103                 //$a->internalRedirect($_SESSION['return_path']);
 104                 // NOTREACHED
 105         }
 106
 107         if ($ret['network'] == Protocol::MAIL) {
 108                 $ret['url'] = $ret['addr'];
 109         }
 110
 111         if (($ret['network'] === Protocol::DFRN) && !DBA::isResult($r)) {
 112                 $request = $ret['request'];
 113                 $tpl = Renderer::getMarkupTemplate('dfrn_request.tpl');
 114         } else {
 115                 $request = System::baseUrl() . '/follow';
 116                 $tpl = Renderer::getMarkupTemplate('auto_request.tpl');
 117         }
 118
 119         $r = q("SELECT `url` FROM `contact` WHERE `uid` = %d AND `self` LIMIT 1", intval($uid));
 120
 121         if (!$r) {
 122                 notice(L10n::t('Permission denied.'));
 123                 $a->internalRedirect($return_path);
 124                 // NOTREACHED
 125         }
 126
 127         $myaddr = $r[0]['url'];
 128         $gcontact_id = 0;
 129
 130         // Makes the connection request for friendica contacts easier
 131         $_SESSION['fastlane'] = $ret['url'];
 132
 133         $r = q("SELECT `id`, `location`, `about`, `keywords` FROM `gcontact` WHERE `nurl` = '%s'",
 134                 Strings::normaliseLink($ret['url']));
 135
 136         if (!$r) {
 137                 $r = [['location' => '', 'about' => '', 'keywords' => '']];
 138         } else {
 139                 $gcontact_id = $r[0]['id'];
 140         }
 141
 142         if ($ret['network'] === Protocol::DIASPORA) {
 143                 $r[0]['location'] = '';
 144                 $r[0]['about'] = '';
 145         }
 146
 147         $o = Renderer::replaceMacros($tpl, [
 148                 '$header'        => L10n::t('Connect/Follow'),
 149                 '$desc'          => '',
 150                 '$pls_answer'    => L10n::t('Please answer the following:'),
 151                 '$does_know_you' => ['knowyou', L10n::t('Does %s know you?', $ret['name']), false, '', [L10n::t('No'), L10n::t('Yes')]],
 152                 '$add_note'      => L10n::t('Add a personal note:'),
 153                 '$page_desc'     => '',
 154                 '$friendica'     => '',
 155                 '$statusnet'     => '',
 156                 '$diaspora'      => '',
 157                 '$diasnote'      => '',
 158                 '$your_address'  => L10n::t('Your Identity Address:'),
 159                 '$invite_desc'   => '',
 160                 '$emailnet'      => '',
 161                 '$submit'        => $submit,
 162                 '$cancel'        => L10n::t('Cancel'),
 163                 '$nickname'      => '',
 164                 '$name'          => $ret['name'],
 165                 '$url'           => $ret['url'],
 166                 '$zrl'           => Profile::zrl($ret['url']),
 167                 '$url_label'     => L10n::t('Profile URL'),
 168                 '$myaddr'        => $myaddr,
 169                 '$request'       => $request,
 170                 '$keywords'      => $r[0]['keywords'],
 171                 '$keywords_label'=> L10n::t('Tags:')
 172         ]);
 173
 174         $a->page['aside'] = '';
 175
 176         $profiledata = Contact::getDetailsByURL($ret['url']);
 177         if ($profiledata) {
 178                 Profile::load($a, '', 0, $profiledata, false);
 179         }
 180
 181         if ($gcontact_id <> 0) {
 182                 $o .= Renderer::replaceMacros(Renderer::getMarkupTemplate('section_title.tpl'),
 183                         ['$title' => L10n::t('Status Messages and Posts')]
 184                 );
 185
 186                 // Show last public posts
 187                 $o .= Contact::getPostsFromUrl($ret['url']);
 188         }
 189
 190         return $o;
 191 }