friendica/mod/follow.php

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<?php
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require_once('include/Scrape.php');
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require_once('include/follow.php');
function follow_content(&$a) {
if(! local_user()) {
notice( t('Permission denied.') . EOL);
goaway($_SESSION['return_url']);
// NOTREACHED
}
$uid = local_user();
$url = notags(trim($_REQUEST['url']));
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// There is a current issue. It seems as if you can't start following a Friendica that is following you
// With Diaspora this works - but Friendica is special, it seems ...
$r = q("SELECT `url` FROM `contact` WHERE `uid` = %d AND ((`rel` != %d) OR (`network` = '%s')) AND
(`nurl` = '%s' OR `alias` = '%s' OR `alias` = '%s') AND
`network` != '%s' LIMIT 1",
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intval(local_user()), dbesc(CONTACT_IS_FOLLOWER), dbesc(NETWORK_DFRN), dbesc(normalise_link($url)),
dbesc(normalise_link($url)), dbesc($url), dbesc(NETWORK_STATUSNET));
if ($r) {
notice(t('You already added this contact.').EOL);
goaway($_SESSION['return_url']);
// NOTREACHED
}
$ret = probe_url($url);
if($ret['network'] === NETWORK_DFRN) {
$request = $ret["request"];
$tpl = get_markup_template('dfrn_request.tpl');
} else {
$request = $a->get_baseurl()."/follow";
$tpl = get_markup_template('auto_request.tpl');
}
$r = q("SELECT `url` FROM `contact` WHERE `uid` = %d AND `self` LIMIT 1", intval($uid));
if (!$r) {
notice( t('Permission denied.') . EOL);
goaway($_SESSION['return_url']);
// NOTREACHED
}
$myaddr = $r[0]["url"];
// Makes the connection request for friendica contacts easier
$_SESSION["fastlane"] = $ret["url"];
$o = replace_macros($tpl,array(
'$header' => $ret["name"]." (".$ret["addr"].")",
'$photo' => $ret["photo"],
'$desc' => "",
'$pls_answer' => t('Please answer the following:'),
'$does_know_you' => array('knowyou', sprintf(t('Does %s know you?'),$ret["name"]), false, '', array(t('No'),t('Yes'))),
'$add_note' => t('Add a personal note:'),
'$page_desc' => "",
'$friendica' => "",
'$statusnet' => "",
'$diaspora' => "",
'$diasnote' => "",
'$your_address' => t('Your Identity Address:'),
'$invite_desc' => "",
'$emailnet' => "",
'$submit' => t('Submit Request'),
'$cancel' => t('Cancel'),
'$nickname' => "",
'$name' => $ret["name"],
'$url' => $ret["url"],
'$myaddr' => $myaddr,
'$request' => $request
));
return $o;
}
function follow_post(&$a) {
if(! local_user()) {
notice( t('Permission denied.') . EOL);
goaway($_SESSION['return_url']);
// NOTREACHED
}
if ($_REQUEST['cancel'])
goaway($_SESSION['return_url']);
$uid = local_user();
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$url = notags(trim($_REQUEST['url']));
$return_url = $_SESSION['return_url'];
// Makes the connection request for friendica contacts easier
// This is just a precaution if maybe this page is called somewhere directly via POST
$_SESSION["fastlane"] = $url;
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$result = new_contact($uid,$url,true);
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if($result['success'] == false) {
if($result['message'])
notice($result['message']);
goaway($return_url);
} elseif ($result['cid'])
goaway($a->get_baseurl().'/contacts/'.$result['cid']);
info( t('Contact added').EOL);
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if(strstr($return_url,'contacts'))
goaway($a->get_baseurl().'/contacts/'.$contact_id);
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goaway($return_url);
// NOTREACHED
}