374 lines
No EOL
9.9 KiB
PHP
374 lines
No EOL
9.9 KiB
PHP
<?php
|
|
|
|
if(! function_exists('dfrn_request_init')) {
|
|
function dfrn_request_init(&$a) {
|
|
|
|
if($_SESSION['authenticated']) {
|
|
// choose which page to show (could be remote auth)
|
|
|
|
}
|
|
|
|
if($a->argc > 1)
|
|
$which = $a->argv[1];
|
|
|
|
require_once('mod/profile.php');
|
|
profile_init($a,$which);
|
|
|
|
return;
|
|
}}
|
|
|
|
|
|
if(! function_exists('dfrn_request_post')) {
|
|
function dfrn_request_post(&$a) {
|
|
|
|
if(($a->argc != 2) || (! count($a->profile)))
|
|
return;
|
|
|
|
|
|
if($_POST['cancel']) {
|
|
goaway($a->get_baseurl());
|
|
}
|
|
|
|
|
|
// callback to local site after remote request and local confirm
|
|
|
|
if((x($_POST,'localconfirm')) && ($_POST['localconfirm'] == 1)
|
|
&& local_user() && ($_SESSION['uid'] == $a->argv[1]) && (x($_POST,'dfrn_url'))) {
|
|
|
|
// We are the requestor, and we've been sent back to our own site
|
|
// to confirm the request. We've done so and clicked submit,
|
|
// which brings us here.
|
|
|
|
$dfrn_url = notags(trim($_POST['dfrn_url']));
|
|
$aes_allow = (((x($_POST,'aes_allow')) && ($_POST['aes_allow'] == 1)) ? 1 : 0);
|
|
$confirm_key = ((x($_POST,'confirm_key')) ? $_POST['confirm_key'] : "");
|
|
|
|
$contact_record = null;
|
|
|
|
if(x($dfrn_url)) {
|
|
|
|
$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' LIMIT 1",
|
|
intval($_SESSION['uid']),
|
|
dbesc($dfrn_url)
|
|
);
|
|
|
|
if(count($r)) {
|
|
if(strlen($r[0]['dfrn-id'])) {
|
|
notice("This introduction has already been accepted." . EOL );
|
|
return;
|
|
}
|
|
else
|
|
$contact_record = $r[0];
|
|
}
|
|
|
|
if(is_array($contact_record)) {
|
|
$r = q("UPDATE `contact` SET `ret-aes` = %d WHERE `id` = %d LIMIT 1",
|
|
intval($aes_allow),
|
|
intval($contact_record['id'])
|
|
);
|
|
}
|
|
else {
|
|
|
|
require_once('Scrape.php');
|
|
|
|
|
|
$parms = scrape_dfrn($dfrn_url);
|
|
|
|
if(! count($parms)) {
|
|
notice( 'Profile location is not valid or does not contain profile information.' . EOL );
|
|
return;
|
|
}
|
|
else {
|
|
if(! x($parms,'fn'))
|
|
notice( 'Warning: profile location has no identifiable owner name.' . EOL );
|
|
if(! x($parms,'photo'))
|
|
notice( 'Warning: profile location has no profile photo.' . EOL );
|
|
$invalid = validate_dfrn($parms);
|
|
if($invalid) {
|
|
notice( $invalid . ' required parameter'
|
|
. (($invalid == 1) ? " was " : "s were " )
|
|
. "not found at the given location." . EOL ) ;
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
$dfrn_request = $parms['dfrn-request'];
|
|
|
|
dbesc_array($parms);
|
|
|
|
|
|
$r = q("INSERT INTO `contact` ( `uid`, `created`,`url`, `name`, `photo`, `site-pubkey`,
|
|
`request`, `confirm`, `notify`, `poll`, `aes_allow`)
|
|
VALUES ( %d, '%s', '%s', '%s' , '%s', '%s', '%s', '%s', '%s', '%s', %d)",
|
|
intval($_SESSION['uid']),
|
|
datetime_convert(),
|
|
dbesc($dfrn_url),
|
|
$parms['fn'],
|
|
$parms['photo'],
|
|
$parms['key'],
|
|
$parms['dfrn-request'],
|
|
$parms['dfrn-confirm'],
|
|
$parms['dfrn-notify'],
|
|
$parms['dfrn-poll'],
|
|
intval($aes_allow)
|
|
);
|
|
}
|
|
|
|
if($r) {
|
|
notice( "Introduction complete." . EOL);
|
|
}
|
|
|
|
// Allow the blocked remote notification to complete
|
|
|
|
if(is_array($contact_record))
|
|
$dfrn_request = $contact_record['request'];
|
|
|
|
if(strlen($dfrn_request) && strlen($confirm_key))
|
|
$s = fetch_url($dfrn_request . '?confirm_key=' . $confirm_key);
|
|
// ignore reply
|
|
goaway($dfrn_url);
|
|
// NOTREACHED
|
|
|
|
}
|
|
// invalid DFRN-url
|
|
notice( "Unrecoverable protocol error." . EOL );
|
|
goaway($a->get_baseurl());
|
|
}
|
|
|
|
|
|
// we are operating as a remote site and an introduction was requested of us.
|
|
// Scrape the originating DFRN-URL for everything we need. Create a contact record
|
|
// and an introduction to show our user next time he/she logs in.
|
|
// Finally redirect back to the originator so that their site can record the request.
|
|
// If our user confirms the request, a record of it will need to exist on the
|
|
// originator's site in order for the confirmation process to complete..
|
|
|
|
|
|
$tailname = $a->profile['nickname'];
|
|
|
|
$uid = $a->profile['uid'];
|
|
|
|
$contact_record = null;
|
|
$failed = false;
|
|
$parms = null;
|
|
|
|
|
|
if( x($_POST,'dfrn_url')) {
|
|
|
|
$url = trim($_POST['dfrn_url']);
|
|
if(! strlen($url)) {
|
|
notice( "Invalid URL" . EOL );
|
|
return;
|
|
}
|
|
|
|
if(strstr($url,'@')) {
|
|
$username = substr($url,0,strpos($url,'@'));
|
|
$hostname = substr($url,strpos($url,'@') + 1);
|
|
require_once('Scrape.php');
|
|
|
|
|
|
$parms = scrape_meta('https://' . $url);
|
|
if((x($parms,'dfrn-template')) && strstr($parms['dfrn-template'],'%s')) {
|
|
$url = sprintf($parms['dfrn-template'],$username);
|
|
}
|
|
else {
|
|
$parms = scrape_meta('http://' . $url);
|
|
if((x($parms,'dfrn-template')) && strstr($parms['dfrn-template'],'%s')) {
|
|
$url = sprintf($parms['dfrn-template'],$username);
|
|
}
|
|
else {
|
|
$url = '';
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
if(! strlen($url)) {
|
|
notice("Unable to resolve your name at the provided location." . EOL);
|
|
return;
|
|
}
|
|
|
|
$ret = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' LIMIT 1",
|
|
intval($uid),
|
|
dbesc($url)
|
|
);
|
|
|
|
if(count($ret)) {
|
|
if(strlen($ret[0]['issued-id'])) {
|
|
notice( 'You have already introduced yourself here.' . EOL );
|
|
return;
|
|
}
|
|
else {
|
|
$contact_record = $ret[0];
|
|
$parms = array('dfrn-request' => $ret[0]['request']);
|
|
}
|
|
}
|
|
$issued_id = random_string();
|
|
|
|
if(is_array($contact_record)) {
|
|
// There is a contact record but no issued-id, so this
|
|
// is a reciprocal introduction from a known contact
|
|
$r = q("UPDATE `contact` SET `issued-id` = '%s' WHERE `id` = %d LIMIT 1",
|
|
dbesc($issued_id),
|
|
intval($contact_record['id'])
|
|
);
|
|
}
|
|
else {
|
|
|
|
require_once('Scrape.php');
|
|
|
|
$parms = scrape_dfrn($url);
|
|
|
|
if(! count($parms)) {
|
|
notice( 'Profile location is not valid or does not contain profile information.' . EOL );
|
|
killme();
|
|
}
|
|
else {
|
|
if(! x($parms,'fn'))
|
|
notice( 'Warning: profile location has no identifiable owner name.' . EOL );
|
|
if(! x($parms,'photo'))
|
|
notice( 'Warning: profile location has no profile photo.' . EOL );
|
|
$invalid = validate_dfrn($parms);
|
|
if($invalid) {
|
|
notice( $invalid . ' required parameter'
|
|
. (($invalid == 1) ? " was " : "s were " )
|
|
. "not found at the given location." . EOL ) ;
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
$parms['url'] = $url;
|
|
$parms['issued-id'] = $issued_id;
|
|
|
|
|
|
dbesc_array($parms);
|
|
$r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `name`, `issued-id`, `photo`, `site-pubkey`,
|
|
`request`, `confirm`, `notify`, `poll` )
|
|
VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' )",
|
|
intval($uid),
|
|
datetime_convert(),
|
|
$parms['url'],
|
|
$parms['fn'],
|
|
$parms['issued-id'],
|
|
$parms['photo'],
|
|
$parms['key'],
|
|
$parms['dfrn-request'],
|
|
$parms['dfrn-confirm'],
|
|
$parms['dfrn-notify'],
|
|
$parms['dfrn-poll']
|
|
);
|
|
|
|
// find the contact record we just created
|
|
if($r) {
|
|
$r = q("SELECT `id` FROM `contact`
|
|
WHERE `uid` = '%s' AND `url` = '%s' AND `issued-id` = '%s' LIMIT 1",
|
|
intval($uid),
|
|
$parms['url'],
|
|
$parms['issued-id']
|
|
);
|
|
if(count($r))
|
|
$contact_record = $r[0];
|
|
}
|
|
|
|
}
|
|
if($r === false) {
|
|
notice( 'Failed to update contact record.' . EOL );
|
|
return;
|
|
}
|
|
|
|
$hash = random_string() . (string) time(); // Generate a confirm_key
|
|
|
|
if(is_array($contact_record)) {
|
|
$ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime`)
|
|
VALUES ( %d, %d, 1, %d, '%s', '%s', '%s' )",
|
|
intval($uid),
|
|
intval($contact_record['id']),
|
|
((x($_POST,'knowyou') && ($_POST['knowyou'] == 1)) ? 1 : 0),
|
|
dbesc(trim($_POST['dfrn-request-message'])),
|
|
dbesc($hash),
|
|
dbesc(datetime_convert())
|
|
);
|
|
}
|
|
|
|
// TODO: send an email notification if our user wants one
|
|
|
|
if(! $failed)
|
|
notice( "Your introduction has been sent." . EOL );
|
|
|
|
// "Homecoming" - send the requestor back to their site to record the introduction.
|
|
|
|
$dfrn_url = bin2hex($a->get_baseurl() . "/profile/$tailname");
|
|
$aes_allow = ((function_exists('openssl_encrypt')) ? 1 : 0);
|
|
|
|
goaway($parms['dfrn-request'] . "?dfrn_url=$dfrn_url" . '&confirm_key=' . $hash . (($aes_allow) ? "&aes_allow=1" : ""));
|
|
// NOTREACHED
|
|
|
|
}
|
|
return;
|
|
}}
|
|
|
|
if(! function_exists('dfrn_request_content')) {
|
|
function dfrn_request_content(&$a) {
|
|
|
|
|
|
|
|
if(($a->argc != 2) || (! count($a->profile)))
|
|
return "";
|
|
|
|
$a->page['template'] = 'profile';
|
|
|
|
// "Homecoming". Make sure we're logged in to this site as the correct user. Then offer a confirm button
|
|
// to send us to the post section to record the introduction.
|
|
|
|
if(x($_GET,'dfrn_url')) {
|
|
|
|
if(! local_user()) {
|
|
notice( "Please login to confirm introduction." . EOL );
|
|
return login();
|
|
}
|
|
|
|
// Edge case, but can easily happen in the wild. This person is authenticated,
|
|
// but not as the person who needs to deal with this request.
|
|
|
|
if (($_SESSION['uid'] != $a->argv[1]) && ($a->user['nickname'] != $a->argv[1])) {
|
|
notice( "Incorrect identity currently logged in. Please login to <strong>this</strong> profile." . EOL);
|
|
return login();
|
|
}
|
|
|
|
$dfrn_url = notags(trim(pack("H*" , $_GET['dfrn_url'])));
|
|
$aes_allow = (((x($_GET,'aes_allow')) && ($_GET['aes_allow'] == 1)) ? 1 : 0);
|
|
$confirm_key = (x($_GET,'confirm_key') ? $_GET['confirm_key'] : "");
|
|
$o .= file_get_contents("view/dfrn_req_confirm.tpl");
|
|
$o = replace_macros($o,array(
|
|
'$dfrn_url' => $dfrn_url,
|
|
'$aes_allow' => (($aes_allow) ? '<input type="hidden" name="aes_allow" value="1" />' : "" ),
|
|
'$confirm_key' => $confirm_key,
|
|
'$username' => $a->user['username'],
|
|
'$uid' => $_SESSION['uid'],
|
|
'dfrn_rawurl' => $_GET['dfrn_url']
|
|
));
|
|
return $o;
|
|
|
|
}
|
|
else {
|
|
// we are the requestee and it is now safe to send our user their introduction
|
|
if((x($_GET,'confirm_key')) && strlen($_GET['confirm_key'])) {
|
|
$r = q("UPDATE `intro` SET `blocked` = 0 WHERE `hash` = '%s' LIMIT 1",
|
|
dbesc($_GET['confirm_key'])
|
|
);
|
|
killme();
|
|
}
|
|
|
|
|
|
// Outside request. Display our user's introduction form.
|
|
|
|
|
|
$o = file_get_contents("view/dfrn_request.tpl");
|
|
$o = replace_macros($o,array('$uid' => $a->user['nickname']));
|
|
return $o;
|
|
}
|
|
}} |