X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=mod%2Fdfrn_request.php;h=24c466bba5655e9533073ffe5d89d383e7ffb9cb;hb=8257b1b684d2c6087a93ae690aa27c907e578aa3;hp=0fb718ab66b2c72fc7b0273abbba5c74c3c63c4c;hpb=19a28434c46864f525f106bbe1ace933584290fb;p=friendica.git diff --git a/mod/dfrn_request.php b/mod/dfrn_request.php index 0fb718ab66..24c466bba5 100644 --- a/mod/dfrn_request.php +++ b/mod/dfrn_request.php @@ -1,18 +1,41 @@ argc > 1) $which = $a->argv[1]; - require_once('mod/profile.php'); - profile_init($a,$which); - + profile_load($a,$which); return; }} +/** + * Function: dfrn_request_post + * + * Purpose: + * Handles multiple scenarios. + * + * Scenario 1: + * Clicking 'submit' on a friend request page. + * + * Scenario 2: + * Following Scenario 1, we are brought back to our home site + * in order to link our friend request with our own server cell. + * After logging in, we click 'submit' to approve the linkage. + * + */ + if(! function_exists('dfrn_request_post')) { function dfrn_request_post(&$a) { @@ -25,32 +48,47 @@ function dfrn_request_post(&$a) { } - // We've introduced ourself to another cell, then have been returned to our own cell - // to confirm the request, and then we've clicked submit (perhaps after logging in). - // That brings us here: + /** + * + * Scenario 2: We've introduced ourself to another cell, then have been returned to our own cell + * to confirm the request, and then we've clicked submit (perhaps after logging in). + * That brings us here: + * + */ if((x($_POST,'localconfirm')) && ($_POST['localconfirm'] == 1)) { - // Ensure this is a valid request - + /** + * Ensure this is a valid request + */ + if(local_user() && ($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); + $dfrn_url = notags(trim($_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)) { + + /** + * Lookup the contact based on their URL (which is the only unique thing we have at the moment) + */ - $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' LIMIT 1", - intval($_SESSION['uid']), + $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `self` = 0 LIMIT 1", + intval(local_user()), dbesc($dfrn_url) ); if(count($r)) { if(strlen($r[0]['dfrn-id'])) { + + /** + * We don't need to be here. It has already happened. + */ + notice( t("This introduction has already been accepted.") . EOL ); return; } @@ -66,9 +104,12 @@ function dfrn_request_post(&$a) { } else { + /** + * Scrape the other site's profile page to pick up the dfrn links, key, fn, and photo + */ + require_once('Scrape.php'); - $parms = scrape_dfrn($dfrn_url); if(! count($parms)) { @@ -89,20 +130,26 @@ function dfrn_request_post(&$a) { } } - - $dfrn_request = $parms['dfrn-request']; + /********* Escape the entire array ********/ + dbesc_array($parms); + /******************************************/ + + /** + * Create a contact record on our site for the other person + */ - $r = q("INSERT INTO `contact` ( `uid`, `created`,`url`, `name`, `photo`, `site-pubkey`, + $r = q("INSERT INTO `contact` ( `uid`, `created`,`url`, `name`, `nick`, `photo`, `site-pubkey`, `request`, `confirm`, `notify`, `poll`, `aes_allow`) - VALUES ( %d, '%s', '%s', '%s' , '%s', '%s', '%s', '%s', '%s', '%s', %d)", - intval($_SESSION['uid']), + 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'], $parms['dfrn-request'], @@ -117,14 +164,18 @@ function dfrn_request_post(&$a) { notice( t("Introduction complete.") . EOL); } - // Allow the blocked remote notification to complete + /** + * Allow the blocked remote notification to complete + */ if(is_array($contact_record)) $dfrn_request = $contact_record['request']; if(strlen($dfrn_request) && strlen($confirm_key)) $s = fetch_url($dfrn_request . '?confirm_key=' . $confirm_key); - // ignore reply + + // (ignore reply, nothing we can do it failed) + goaway($dfrn_url); return; // NOTREACHED @@ -134,45 +185,89 @@ function dfrn_request_post(&$a) { // invalid/bogus request - notice( t("Unrecoverable protocol error.") . EOL ); + notice( t('Unrecoverable protocol error.') . EOL ); goaway($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. + /** + * Otherwise: + * + * Scenario 1: + * 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']; - + $nickname = $a->profile['nickname']; + $notify_flags = $a->profile['notify-flags']; + $uid = $a->profile['uid']; + $maxreq = intval($a->profile['maxreq']); $contact_record = null; - $failed = false; - $parms = null; + $failed = false; + $parms = null; if( x($_POST,'dfrn_url')) { + /** + * Block friend request spam + */ + + if($maxreq) { + $r = q("SELECT * FROM `intro` WHERE `datetime` > '%s' AND `uid` = %d", + dbesc(datetime_convert('UTC','UTC','now - 24 hours')), + intval($uid) + ); + if(count($r) > $maxreq) { + notice( $a->profile['name'] . t(' has received too many connection requests today.') . EOL); + notice( t('Spam protection measures have been invoked.') . EOL); + notice( t('Friends are advised to please try again in 24 hours.') . EOL); + return; + } + } + + /** + * + * Cleanup old introductions that remain blocked. + * Also remove the contact record, but only if there is no existing relationship + * + */ + + $r = q("SELECT `intro`.*, `intro`.`id` AS `iid`, `contact`.`id` AS `cid`, `contact`.`rel` + FROM `intro` LEFT JOIN `contact` on `intro`.`contact-id` = `contact`.`id` + WHERE `intro`.`blocked` = 1 AND `contact`.`self` = 0 AND `intro`.`datetime` < UTC_TIMESTAMP() - INTERVAL 30 MINUTE "); + if(count($r)) { + foreach($r as $rr) { + if(! $rr['rel']) { + q("DELETE FROM `contact` WHERE `id` = %d LIMIT 1", + intval($rr['cid']) + ); + } + q("DELETE FROM `intro` WHERE `id` = %d LIMIT 1", + intval($rr['iid']) + ); + } + } + $url = trim($_POST['dfrn_url']); if(! strlen($url)) { notice( t("Invalid locator") . EOL ); @@ -181,133 +276,184 @@ function dfrn_request_post(&$a) { // Canonicalise email-style profile locator - $url = webfinger($url); + $url = webfinger_dfrn($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; } - $ret = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' LIMIT 1", - intval($uid), - dbesc($url) - ); - if(count($ret)) { - if(strlen($ret[0]['issued-id'])) { - notice( t('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($contact_record['id']) + if($network === 'dfrn') { + $ret = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `self` = 0 LIMIT 1", + intval($uid), + dbesc($url) ); - } - else { - - require_once('Scrape.php'); - $parms = scrape_dfrn($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']); + } + } + + $issued_id = random_string(); - if(! count($parms)) { - notice( t('Profile location is not valid or does not contain profile information.') . EOL ); - killme(); + 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($contact_record['id']) + ); } else { - if(! x($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 ) ; + if(! validate_url($url)) { + notice( t('Invalid profile URL.') . EOL); + goaway($a->get_baseurl() . '/' . $a->cmd); + return; // NOTREACHED + } - return; + if(! allowed_url($url)) { + notice( t('Disallowed profile URL.') . EOL); + goaway($a->get_baseurl() . '/' . $a->cmd); + return; // NOTREACHED } - } + + require_once('Scrape.php'); - $parms['url'] = $url; - $parms['issued-id'] = $issued_id; + $parms = scrape_dfrn($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; + } + } - 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` = %d AND `url` = '%s' AND `issued-id` = '%s' LIMIT 1", + $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['issued-id'] + $parms['fn'], + $parms['nick'], + $parms['issued-id'], + $parms['photo'], + $parms['key'], + $parms['dfrn-request'], + $parms['dfrn-confirm'], + $parms['dfrn-notify'], + $parms['dfrn-poll'] ); - if(count($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') && ($_POST['knowyou'] == 1)) ? 1 : 0), - dbesc(notags(trim($_POST['dfrn-request-message']))), - dbesc($hash), - dbesc(datetime_convert()) - ); - } + // find the contact record we just created + if($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; + } - // This notice will only be seen by the requestor if the requestor and requestee are on the same server. + $hash = random_string() . (string) time(); // Generate a confirm_key + + if(is_array($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 ); + if(! $failed) + notice( t('Your introduction has been sent.') . EOL ); - // "Homecoming" - send the requestor back to their site to record the introduction. + // "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); + $dfrn_url = bin2hex($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" : "")); - return; // NOTREACHED + 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 $network === 'stat' + } - } - return; + } return; }} @@ -321,7 +467,6 @@ function dfrn_request_content(&$a) { if(($a->argc != 2) || (! count($a->profile))) return ""; - $a->page['template'] = 'profile'; // "Homecoming". Make sure we're logged in to this site as the correct user. Then offer a confirm button // to send us to the post section to record the introduction. @@ -330,6 +475,12 @@ function dfrn_request_content(&$a) { if(! local_user()) { notice( t("Please login to confirm introduction.") . EOL ); + + /* setup the return URL to come back to this page if they use openid */ + + $stripped = str_replace('q=','',$a->query_string); + $_SESSION['return_url'] = trim($stripped,'/'); + return login(); } @@ -344,7 +495,7 @@ function dfrn_request_content(&$a) { $dfrn_url = notags(trim(hex2bin($_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"); + $o .= load_view_file("view/dfrn_req_confirm.tpl"); $o = replace_macros($o,array( '$dfrn_url' => $dfrn_url, '$aes_allow' => (($aes_allow) ? '' : "" ), @@ -373,10 +524,14 @@ function dfrn_request_content(&$a) { 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'); + $auto_confirm = false; + + if(count($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($r[0]['url']), @@ -387,25 +542,94 @@ function dfrn_request_content(&$a) { $res = mail($r[0]['email'], t("Introduction received at ") . $a->config['sitename'], $email, - t('From: Administrator@') . $_SERVER[SERVER_NAME] ); + '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); + } + } - $r = q("UPDATE `intro` SET `blocked` = 0 WHERE `hash` = '%s' LIMIT 1", - dbesc($_GET['confirm_key']) - ); + 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 { - // Normal web request. Display our user's introduction form. + /** + * Normal web request. Display our user's introduction form. + */ + + /** + * Try to auto-fill the profile address + */ + + if(local_user()) { + if(strlen($a->path)) { + $myaddr = $a->get_baseurl() . '/profile/' . $a->user['nickname']; + } + else { + $myaddr = $a->user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3 ); + } + } + elseif(x($_GET,'addr')) { + $myaddr = hex2bin($_GET['addr']); + } + else { + /* $_GET variables are already urldecoded */ + $myaddr = ((x($_GET,'address')) ? $_GET['address'] : ''); + } - $o = file_get_contents("view/dfrn_request.tpl"); - $o = replace_macros($o,array('$nickname' => $a->argv[1])); + /** + * + * The auto_request form only has the profile address + * because nobody is going to read the comments and + * it doesn't matter if they know you or not. + * + */ + + if($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( + '$header' => t('Friend/Connection Request'), + '$pls_answer' => t('Please answer the following:'), + '$does_know' => t('Does $name know you?'), + '$yes' => t('Yes'), + '$no' => t('No'), + '$add_note' => t('Add a personal note:'), + '$page_desc' => t('Please enter your profile address from one of the following supported social networks:'), + '$friendika' => t('Friendika'), + '$statusnet' => t('StatusNet/Federated Social Web'), + '$private_net' => t("Private \x28secure\x29 network"), + '$public_net' => t("Public \x28insecure\x29 network"), + '$your_address' => t('Your profile address:'), + '$submit' => t('Submit Request'), + '$cancel' => t('Cancel'), + '$nickname' => $a->argv[1], + '$name' => $a->profile['name'], + '$myaddr' => $myaddr + )); return $o; }