491 lines
14 KiB
PHP
491 lines
14 KiB
PHP
<?php
|
|
|
|
if(! function_exists('dfrn_request_init')) {
|
|
function dfrn_request_init(&$a) {
|
|
|
|
if($a->argc > 1)
|
|
$which = $a->argv[1];
|
|
|
|
profile_load($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());
|
|
}
|
|
|
|
|
|
// We've introduced ourself to another cell, then have been returned to our own cell
|
|
// to confirm the request, and then we've clicked submit (perhaps after logging in).
|
|
// That brings us here:
|
|
|
|
if((x($_POST,'localconfirm')) && ($_POST['localconfirm'] == 1)) {
|
|
|
|
// Ensure this is a valid request
|
|
|
|
if(local_user() && ($a->user['nickname'] == $a->argv[1]) && (x($_POST,'dfrn_url'))) {
|
|
|
|
|
|
$dfrn_url = notags(trim($_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)) {
|
|
|
|
$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `self` = 0 LIMIT 1",
|
|
intval(local_user()),
|
|
dbesc($dfrn_url)
|
|
);
|
|
|
|
if(count($r)) {
|
|
if(strlen($r[0]['dfrn-id'])) {
|
|
notice( t("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($parms)) {
|
|
notice( t('Profile location is not valid or does not contain profile information.') . EOL );
|
|
return;
|
|
}
|
|
else {
|
|
if(! x($parms,'fn'))
|
|
notice( t('Warning: profile location has no identifiable owner name.') . EOL );
|
|
if(! x($parms,'photo'))
|
|
notice( t('Warning: profile location has no profile photo.') . EOL );
|
|
$invalid = validate_dfrn($parms);
|
|
if($invalid) {
|
|
notice( $invalid . t(' required parameter')
|
|
. (($invalid == 1) ? t(" was ") : t("s were ") )
|
|
. t("not found at the given location.") . EOL ) ;
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
$dfrn_request = $parms['dfrn-request'];
|
|
|
|
dbesc_array($parms);
|
|
|
|
|
|
$r = q("INSERT INTO `contact` ( `uid`, `created`,`url`, `name`, `nick`, `photo`, `site-pubkey`,
|
|
`request`, `confirm`, `notify`, `poll`, `aes_allow`)
|
|
VALUES ( %d, '%s', '%s', '%s' , '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d)",
|
|
intval(local_user()),
|
|
datetime_convert(),
|
|
dbesc($dfrn_url),
|
|
$parms['fn'],
|
|
$parms['nick'],
|
|
$parms['photo'],
|
|
$parms['key'],
|
|
$parms['dfrn-request'],
|
|
$parms['dfrn-confirm'],
|
|
$parms['dfrn-notify'],
|
|
$parms['dfrn-poll'],
|
|
intval($aes_allow)
|
|
);
|
|
}
|
|
|
|
if($r) {
|
|
notice( t("Introduction complete.") . EOL);
|
|
}
|
|
|
|
// Allow the blocked remote notification to complete
|
|
|
|
if(is_array($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);
|
|
return; // NOTREACHED
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// invalid/bogus request
|
|
|
|
notice( t('Unrecoverable protocol error.') . EOL );
|
|
goaway($a->get_baseurl());
|
|
return; // NOTREACHED
|
|
}
|
|
|
|
// Otherwise:
|
|
|
|
// We are the requestee. A person from a remote cell has made an introduction
|
|
// on our profile web page and clicked submit. We will use their DFRN-URL to
|
|
// figure out how to contact their cell.
|
|
|
|
// 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 requestor so that their site can record the request.
|
|
// If our user (the requestee) later confirms this request, a record of it will need
|
|
// to exist on the requestor's cell in order for the confirmation process to complete..
|
|
|
|
// It's possible that neither the requestor or the requestee are logged in at the moment,
|
|
// and the requestor does not yet have any credentials to the requestee profile.
|
|
|
|
// Who is the requestee? We've already loaded their profile which means their nickname should be
|
|
// in $a->argv[1] and we should have their complete info in $a->profile.
|
|
|
|
if(! (is_array($a->profile) && count($a->profile))) {
|
|
notice( t('Profile unavailable.') . EOL);
|
|
return;
|
|
}
|
|
|
|
$nickname = $a->profile['nickname'];
|
|
$notify_flags = $a->profile['notify-flags'];
|
|
$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( t("Invalid locator") . EOL );
|
|
return;
|
|
}
|
|
|
|
// Canonicalise email-style profile locator
|
|
|
|
$url = webfinger_dfrn($url);
|
|
|
|
if(substr($url,0,5) === 'stat:') {
|
|
$network = 'stat';
|
|
$url = substr($url,5);
|
|
}
|
|
else {
|
|
$network = 'dfrn';
|
|
}
|
|
|
|
logger('dfrn_request: url: ' . $url);
|
|
|
|
if(! strlen($url)) {
|
|
notice( t("Unable to resolve your name at the provided location.") . EOL);
|
|
return;
|
|
}
|
|
|
|
|
|
if($network === 'dfrn') {
|
|
$ret = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `self` = 0 LIMIT 1",
|
|
intval($uid),
|
|
dbesc($url)
|
|
);
|
|
|
|
if(count($ret)) {
|
|
if(strlen($ret[0]['issued-id'])) {
|
|
notice( t('You have already introduced yourself here.') . EOL );
|
|
return;
|
|
}
|
|
elseif($ret[0]['rel'] == REL_BUD) {
|
|
notice( t('Apparently you are already friends with .') . $a->profile['name'] . 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($contact_record['id'])
|
|
);
|
|
}
|
|
else {
|
|
if(! validate_url($url)) {
|
|
notice( t('Invalid profile URL.') . EOL);
|
|
goaway($a->get_baseurl() . '/' . $a->cmd);
|
|
return; // NOTREACHED
|
|
}
|
|
|
|
if(! allowed_url($url)) {
|
|
notice( t('Disallowed profile URL.') . EOL);
|
|
goaway($a->get_baseurl() . '/' . $a->cmd);
|
|
return; // NOTREACHED
|
|
}
|
|
|
|
|
|
require_once('Scrape.php');
|
|
|
|
$parms = scrape_dfrn($url);
|
|
|
|
if(! count($parms)) {
|
|
notice( t('Profile location is not valid or does not contain profile information.') . EOL );
|
|
goaway($a->get_baseurl() . '/' . $a->cmd);
|
|
}
|
|
else {
|
|
if(! x($parms,'fn'))
|
|
notice( t('Warning: profile location has no identifiable owner name.') . EOL );
|
|
if(! x($parms,'photo'))
|
|
notice( t('Warning: profile location has no profile photo.') . EOL );
|
|
$invalid = validate_dfrn($parms);
|
|
if($invalid) {
|
|
notice( $invalid . t(' required parameter')
|
|
. (($invalid == 1) ? t(" was ") : t("s were ") )
|
|
. t("not found at the given location.") . EOL ) ;
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
$parms['url'] = $url;
|
|
$parms['issued-id'] = $issued_id;
|
|
|
|
|
|
dbesc_array($parms);
|
|
$r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `name`, `nick`, `issued-id`, `photo`, `site-pubkey`,
|
|
`request`, `confirm`, `notify`, `poll` )
|
|
VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' )",
|
|
intval($uid),
|
|
datetime_convert(),
|
|
$parms['url'],
|
|
$parms['fn'],
|
|
$parms['nick'],
|
|
$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) {
|
|
$r = q("SELECT `id` FROM `contact`
|
|
WHERE `uid` = %d AND `url` = '%s' AND `issued-id` = '%s' LIMIT 1",
|
|
intval($uid),
|
|
$parms['url'],
|
|
$parms['issued-id']
|
|
);
|
|
if(count($r))
|
|
$contact_record = $r[0];
|
|
}
|
|
|
|
}
|
|
if($r === false) {
|
|
notice( t('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') && ($_POST['knowyou'] == 1)) ? 1 : 0),
|
|
dbesc(notags(trim($_POST['dfrn-request-message']))),
|
|
dbesc($hash),
|
|
dbesc(datetime_convert())
|
|
);
|
|
}
|
|
|
|
// This notice will only be seen by the requestor if the requestor and requestee are on the same server.
|
|
|
|
if(! $failed)
|
|
notice( t('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/' . $nickname);
|
|
$aes_allow = ((function_exists('openssl_encrypt')) ? 1 : 0);
|
|
|
|
goaway($parms['dfrn-request'] . "?dfrn_url=$dfrn_url"
|
|
. '&dfrn_version=' . DFRN_PROTOCOL_VERSION
|
|
. '&confirm_key=' . $hash
|
|
. (($aes_allow) ? "&aes_allow=1" : "")
|
|
);
|
|
// NOTREACHED
|
|
// END $network === 'dfrn'
|
|
}
|
|
elseif($network === 'stat') {
|
|
|
|
/**
|
|
*
|
|
* OStatus network
|
|
* Check contact existence
|
|
* Try and scrape together enough information to create a contact record, with us as REL_VIP
|
|
* Substitute our user's feed URL into $url template
|
|
* Send the subscriber home to subscribe
|
|
*
|
|
**/
|
|
|
|
$url = str_replace('{uri}', $a->get_baseurl() . '/dfrn_poll/' . $nickname, $url);
|
|
goaway($url);
|
|
// NOTREACHED
|
|
// END $network === 'stat'
|
|
}
|
|
|
|
} return;
|
|
}}
|
|
|
|
|
|
|
|
|
|
if(! function_exists('dfrn_request_content')) {
|
|
function dfrn_request_content(&$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( t("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 ($a->user['nickname'] != $a->argv[1]) {
|
|
notice( t("Incorrect identity currently logged in. Please login to <strong>this</strong> profile.") . EOL);
|
|
return login();
|
|
}
|
|
|
|
$dfrn_url = notags(trim(hex2bin($_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 .= load_view_file("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' => $_SESSION['uid'],
|
|
'$nickname' => $a->user['nickname'],
|
|
'dfrn_rawurl' => $_GET['dfrn_url']
|
|
));
|
|
return $o;
|
|
|
|
}
|
|
elseif((x($_GET,'confirm_key')) && strlen($_GET['confirm_key'])) {
|
|
|
|
// we are the requestee and it is now safe to send our user their introduction,
|
|
// We could just unblock it, but first we have to jump through a few hoops to
|
|
// send an email, or even to find out if we need to send an email.
|
|
|
|
$intro = q("SELECT * FROM `intro` WHERE `hash` = '%s' LIMIT 1",
|
|
dbesc($_GET['confirm_key'])
|
|
);
|
|
|
|
if(count($intro)) {
|
|
|
|
$r = q("SELECT `contact`.*, `user`.* FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
|
|
WHERE `contact`.`id` = %d LIMIT 1",
|
|
intval($intro[0]['contact-id'])
|
|
);
|
|
|
|
$auto_confirm = false;
|
|
|
|
if(count($r)) {
|
|
if($r[0]['page-flags'] != PAGE_NORMAL)
|
|
$auto_confirm = true;
|
|
if(($r[0]['notify-flags'] & NOTIFY_INTRO) && (! $auto_confirm)) {
|
|
$email_tpl = load_view_file('view/request_notify_eml.tpl');
|
|
$email = replace_macros($email_tpl, array(
|
|
'$requestor' => ((strlen(stripslashes($r[0]['name']))) ? stripslashes($r[0]['name']) : t('[Name Withheld]')),
|
|
'$url' => stripslashes($r[0]['url']),
|
|
'$myname' => $r[0]['username'],
|
|
'$siteurl' => $a->get_baseurl(),
|
|
'$sitename' => $a->config['sitename']
|
|
));
|
|
$res = mail($r[0]['email'],
|
|
t("Introduction received at ") . $a->config['sitename'],
|
|
$email,
|
|
'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] );
|
|
// This is a redundant notification - no point throwing errors if it fails.
|
|
}
|
|
if($auto_confirm) {
|
|
require_once('mod/dfrn_confirm.php');
|
|
$handsfree = array(
|
|
'uid' => $r[0]['uid'],
|
|
'node' => $r[0]['nickname'],
|
|
'dfrn_id' => $r[0]['issued-id'],
|
|
'intro_id' => $intro[0]['id'],
|
|
'duplex' => (($r[0]['page-flags'] == PAGE_FREELOVE) ? 1 : 0)
|
|
);
|
|
dfrn_confirm_post($a,$handsfree);
|
|
}
|
|
|
|
}
|
|
|
|
if(! $auto_confirm) {
|
|
|
|
// If we are auto_confirming, this record will have already been nuked
|
|
// in dfrn_confirm_post()
|
|
|
|
$r = q("UPDATE `intro` SET `blocked` = 0 WHERE `hash` = '%s' LIMIT 1",
|
|
dbesc($_GET['confirm_key'])
|
|
);
|
|
}
|
|
}
|
|
killme();
|
|
return; // NOTREACHED
|
|
}
|
|
else {
|
|
$myaddr = ((x($_GET,'address')) ? urldecode($_GET['address']) : '');
|
|
// Normal web request. Display our user's introduction form.
|
|
if($a->profile['page-flags'] == PAGE_NORMAL)
|
|
$tpl = load_view_file('view/dfrn_request.tpl');
|
|
else
|
|
$tpl = load_view_file('view/auto_request.tpl');
|
|
$o .= replace_macros($tpl,array(
|
|
'$nickname' => $a->argv[1],
|
|
'$name' => $a->profile['name'],
|
|
'$myaddr' => $myaddr
|
|
));
|
|
return $o;
|
|
}
|
|
|
|
return; // Somebody is fishing.
|
|
}} |