friendica/mod/follow.php

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<?php
/**
* @file mod/follow.php
*/
use Friendica\App;
use Friendica\Core\Config;
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use Friendica\Core\L10n;
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use Friendica\Core\System;
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use Friendica\Model\Contact;
use Friendica\Model\Profile;
use Friendica\Network\Probe;
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function follow_post(App $a) {
if (!local_user()) {
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notice(L10n::t('Permission denied.') . EOL);
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goaway($_SESSION['return_url']);
// NOTREACHED
}
if ($_REQUEST['cancel']) {
goaway($_SESSION['return_url']);
}
$uid = local_user();
$url = notags(trim($_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;
$result = Contact::createFromProbe($uid, $url, true);
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if ($result['success'] == false) {
if ($result['message']) {
notice($result['message']);
}
goaway($return_url);
} elseif ($result['cid']) {
goaway(System::baseUrl().'/contacts/'.$result['cid']);
}
info(L10n::t('The contact could not be added.').EOL);
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goaway($return_url);
// NOTREACHED
}
function follow_content(App $a) {
if (!local_user()) {
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notice(L10n::t('Permission denied.') . EOL);
goaway($_SESSION['return_url']);
// NOTREACHED
}
$uid = local_user();
$url = notags(trim($_REQUEST['url']));
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$submit = L10n::t('Submit Request');
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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) {
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notice(L10n::t('You already added this contact.').EOL);
$submit = "";
//goaway($_SESSION['return_url']);
// NOTREACHED
}
$ret = Probe::uri($url);
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if (($ret["network"] == NETWORK_DIASPORA) && !Config::get('system', 'diaspora_enabled')) {
notice(L10n::t("Diaspora support isn't enabled. Contact can't be added.") . EOL);
$submit = "";
//goaway($_SESSION['return_url']);
// NOTREACHED
}
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if (($ret["network"] == NETWORK_OSTATUS) && Config::get('system', 'ostatus_disabled')) {
notice(L10n::t("OStatus support is disabled. Contact can't be added.") . EOL);
$submit = "";
//goaway($_SESSION['return_url']);
// NOTREACHED
}
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if ($ret["network"] == NETWORK_PHANTOM) {
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notice(L10n::t("The network type couldn't be detected. Contact can't be added.") . EOL);
$submit = "";
//goaway($_SESSION['return_url']);
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// NOTREACHED
}
if ($ret["network"] == NETWORK_MAIL) {
$ret["url"] = $ret["addr"];
}
if ($ret['network'] === NETWORK_DFRN) {
$request = $ret["request"];
$tpl = get_markup_template('dfrn_request.tpl');
} else {
$request = System::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 (!$r) {
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notice(L10n::t('Permission denied.') . EOL);
goaway($_SESSION['return_url']);
// NOTREACHED
}
$myaddr = $r[0]["url"];
$gcontact_id = 0;
// Makes the connection request for friendica contacts easier
$_SESSION["fastlane"] = $ret["url"];
$r = q("SELECT `id`, `location`, `about`, `keywords` FROM `gcontact` WHERE `nurl` = '%s'",
normalise_link($ret["url"]));
if (!$r) {
$r = [["location" => "", "about" => "", "keywords" => ""]];
} else {
$gcontact_id = $r[0]["id"];
}
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if ($ret['network'] === NETWORK_DIASPORA) {
$r[0]["location"] = "";
$r[0]["about"] = "";
}
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$header = L10n::t("Connect/Follow");
$o = replace_macros($tpl, [
'$header' => htmlentities($header),
//'$photo' => proxy_url($ret["photo"], false, PROXY_SIZE_SMALL),
'$desc' => "",
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'$pls_answer' => L10n::t('Please answer the following:'),
'$does_know_you' => ['knowyou', L10n::t('Does %s know you?', $ret["name"]), false, '', [L10n::t('No'), L10n::t('Yes')]],
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'$add_note' => L10n::t('Add a personal note:'),
'$page_desc' => "",
'$friendica' => "",
'$statusnet' => "",
'$diaspora' => "",
'$diasnote' => "",
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'$your_address' => L10n::t('Your Identity Address:'),
'$invite_desc' => "",
'$emailnet' => "",
'$submit' => $submit,
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'$cancel' => L10n::t('Cancel'),
'$nickname' => "",
'$name' => $ret["name"],
'$url' => $ret["url"],
'$zrl' => Profile::zrl($ret["url"]),
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'$url_label' => L10n::t("Profile URL"),
'$myaddr' => $myaddr,
'$request' => $request,
/*'$location' => bbcode($r[0]["location"]),
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'$location_label' => L10n::t("Location:"),
'$about' => bbcode($r[0]["about"], false, false),
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'$about_label' => L10n::t("About:"), */
'$keywords' => $r[0]["keywords"],
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'$keywords_label' => L10n::t("Tags:")
]);
$a->page['aside'] = "";
Profile::load($a, "", 0, Contact::getDetailsByURL($ret["url"]), false);
if ($gcontact_id <> 0) {
$o .= replace_macros(get_markup_template('section_title.tpl'),
['$title' => L10n::t('Status Messages and Posts')]
);
// Show last public posts
$o .= Contact::getPostsFromUrl($ret["url"]);
}
return $o;
}