diff options
Diffstat (limited to 'mod')
-rw-r--r-- | mod/dfrn_request.php | 265 |
1 files changed, 158 insertions, 107 deletions
diff --git a/mod/dfrn_request.php b/mod/dfrn_request.php index 4b41c9c6c..35ab657e1 100644 --- a/mod/dfrn_request.php +++ b/mod/dfrn_request.php @@ -3,11 +3,6 @@ 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 = $a->argv[1]; @@ -30,127 +25,145 @@ function dfrn_request_post(&$a) { } - // callback to local site after remote request and local confirm + // 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) - && local_user() && ($a->user['nickname'] == $a->argv[1]) && (x($_POST,'dfrn_url'))) { + if((x($_POST,'localconfirm')) && ($_POST['localconfirm'] == 1)) { - // 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. + // 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)) { + $dfrn_url = notags(trim($_POST['dfrn_url'])); + $aes_allow = (((x($_POST,'aes_allow')) && ($_POST['aes_allow'] == 1)) ? 1 : 0); + $confirm_key = ((x($_POST,'confirm_key')) ? $_POST['confirm_key'] : ""); - $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' LIMIT 1", - intval($_SESSION['uid']), - dbesc($dfrn_url) - ); + $contact_record = null; - if(count($r)) { - if(strlen($r[0]['dfrn-id'])) { - notice("This introduction has already been accepted." . EOL ); - return; - } - else - $contact_record = $r[0]; - } + if(x($dfrn_url)) { - 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']) + $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' LIMIT 1", + intval($_SESSION['uid']), + dbesc($dfrn_url) ); - } - else { - - require_once('Scrape.php'); - - - $parms = scrape_dfrn($dfrn_url); - - if(! count($parms)) { - notice( 'Profile location is not valid or does not contain profile information.' . EOL ); - return; + + if(count($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($contact_record['id']) + ); } else { - if(! x($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 ) ; + + 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']; + $dfrn_request = $parms['dfrn-request']; - dbesc_array($parms); + 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) - ); - } + $r = q("INSERT INTO `contact` ( `uid`, `created`,`url`, `name`, `photo`, `site-pubkey`, + `request`, `confirm`, `notify`, `poll`, `aes_allow`) + VALUES ( %d, '%s', '%s', '%s' , '%s', '%s', '%s', '%s', '%s', '%s', %d)", + intval($_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($r) { - notice( "Introduction complete." . EOL); - } + if($r) { + notice( "Introduction complete." . EOL); + } + + // Allow the blocked remote notification to complete - // Allow the blocked remote notification to complete + if(is_array($contact_record)) + $dfrn_request = $contact_record['request']; - if(is_array($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 - 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 + + // invalid/bogus request + notice( "Unrecoverable protocol error." . EOL ); goaway($a->get_baseurl()); + return; // NOTREACHED } - // extra safety - if($_POST['localconfirm']) - return; + // 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. - // 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.. + // 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. - $tailname = $a->profile['nickname']; + // 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("Profile unavailable." . EOL); + return; + } + + $nickname = $a->profile['nickname']; + $notify_flags = $a->profile['notify-flags']; $uid = $a->profile['uid']; $contact_record = null; @@ -166,6 +179,8 @@ function dfrn_request_post(&$a) { return; } + // Is this an email-style DFRN locator? + if(strstr($url,'@')) { $username = substr($url,0,strpos($url,'@')); $hostname = substr($url,strpos($url,'@') + 1); @@ -297,23 +312,27 @@ function dfrn_request_post(&$a) { ); } - // TODO: send an email notification if our user wants one + + // This notice will only be seen by the requestor if the requestor and requestee are on the same server. 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"); + $dfrn_url = bin2hex($a->get_baseurl() . "/profile/$nickname"); $aes_allow = ((function_exists('openssl_encrypt')) ? 1 : 0); goaway($parms['dfrn-request'] . "?dfrn_url=$dfrn_url" . '&confirm_key=' . $hash . (($aes_allow) ? "&aes_allow=1" : "")); - // NOTREACHED + return; // NOTREACHED } return; }} + + + if(! function_exists('dfrn_request_content')) { function dfrn_request_content(&$a) { @@ -337,12 +356,12 @@ function dfrn_request_content(&$a) { // 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'] != $a->argv[1])) { + if ($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']))); + $dfrn_url = notags(trim(hex2bin($_GET['dfrn_url']))); $aes_allow = (((x($_GET,'aes_allow')) && ($_GET['aes_allow'] == 1)) ? 1 : 0); $confirm_key = (x($_GET,'confirm_key') ? $_GET['confirm_key'] : ""); $o .= file_get_contents("view/dfrn_req_confirm.tpl"); @@ -358,21 +377,53 @@ function dfrn_request_content(&$a) { return $o; } - else { - // we are the requestee and it is now safe to send our user their introduction - if((x($_GET,'confirm_key')) && strlen($_GET['confirm_key'])) { + elseif((x($_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']) + ); + if(count($r)) { + + if($r[0]['notify-flags'] & NOTIFY_INTRO) { + $email_tpl = file_get_contents('view/request_notify_eml.tpl'); + $email = replace_macros($email_tpl, array( + '$requestor' => ((strlen(stripslashes($r[0]['name']))) ? stripslashes($r[0]['name']) : '[Name Withheld]'), + '$url' => stripslashes($r[0]['url']), + '$myname' => $r[0]['username'], + '$siteurl' => $a->get_baseurl(), + '$sitename' => $a->config['sitename'] + )); + $res = mail($r[0]['email'],"Introduction received at {$a->config['sitename']}",$email,"From: Administrator@{$_SERVER[SERVER_NAME]}"); + // This is a redundant notification - no point throwing errors if it fails. + } + } + $r = q("UPDATE `intro` SET `blocked` = 0 WHERE `hash` = '%s' LIMIT 1", dbesc($_GET['confirm_key']) ); - killme(); - } - - // Outside request. Display our user's introduction form. + } + killme(); + return; // NOTREACHED + } + else { + // Normal web request. Display our user's introduction form. - $o = file_get_contents("view/dfrn_request.tpl"); - $o = replace_macros($o,array('$uid' => $a->argv[1])); - return $o; + $o = file_get_contents("view/dfrn_request.tpl"); + $o = replace_macros($o,array('$nickname' => $a->argv[1])); + return $o; } + return; // Somebody is fishing. }}
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