diff options
Diffstat (limited to 'mod/dfrn_request.php')
| -rw-r--r-- | mod/dfrn_request.php | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/mod/dfrn_request.php b/mod/dfrn_request.php new file mode 100644 index 000000000..ef3c7274b --- /dev/null +++ b/mod/dfrn_request.php @@ -0,0 +1,290 @@ +<?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) + && (x($_SESSION,'authenticated')) && (x($_SESSION,'uid')) + && ($_SESSION['uid'] == $a->argv[1]) && (x($_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'] : ""); + $failed = false; + + require_once('Scrape.php'); + + if(x($dfrn_url)) { + + $parms = scrape_dfrn($dfrn_url); + + if(! count($parms)) { + $_SESSION['sysmsg'] .= 'URL is not valid or does not contain profile information.' . EOL ; + $failed = true; + } + else { + if(! x($parms,'fn')) + $_SESSION['sysmsg'] .= 'Warning: DFRN profile has no identifiable owner name.' . EOL ; + if(! x($parms,'photo')) + $_SESSION['sysmsg'] .= 'Warning: DFRN profile has no profile photo.' . EOL ; + $invalid = validate_dfrn($parms); + if($invalid) { + echo $invalid . ' required DFRN parameter' + . (($invalid == 1) ? " was " : "s were " ) + . "not found at the given URL" . '<br />'; + + $failed = true; + } + } + } + if(! $failed) { + + $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 === false) + $_SESSION['sysmsg'] .= "Failed to create contact." . EOL; + else + $_SESSION['sysmsg'] .= "Introduction complete."; + + // Allow the blocked remote notification to complete + + if(strlen($dfrn_request) && strlen($confirm_key)) + $s = fetch_url($dfrn_request . '?confirm_key=' . $confirm_key); + + goaway($dfrn_url); + } + } + + + // 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.. + + if($a->profile['nickname']) + $tailname = $a->profile['nickname']; + else + $tailname = $a->profile['uid']; + + $uid = $a->profile['uid']; + + $failed = false; + + require_once('Scrape.php'); + + if( x($_POST,'dfrn_url')) { + + $url = trim($_POST['dfrn_url']); + if(x($url)) { + $parms = scrape_dfrn($url); + + if(! count($parms)) { + $_SESSION['sysmsg'] .= 'URL is not valid or does not contain profile information.' . EOL ; + $failed = true; + } + else { + if(! x($parms,'fn')) + $_SESSION['sysmsg'] .= 'Warning: DFRN profile has no identifiable owner name.' . EOL ; + if(! x($parms,'photo')) + $_SESSION['sysmsg'] .= 'Warning: DFRN profile has no profile photo.' . EOL ; + $invalid = validate_dfrn($parms); + if($invalid) { + echo $invalid . ' required DFRN parameter' + . (($invalid == 1) ? " was " : "s were " ) + . "not found at the given URL" . '<br />'; + + $failed = true; + } + } + } + + $ret = q("SELECT `url` FROM `contact` WHERE `url` = '%s'", dbesc($url)); + if($ret !== false && count($ret)) { + $_SESSION['sysmsg'] .= 'You have already introduced yourself here.' . EOL; + $failed = true; + } + + + if(! $failed) { + + $parms['url'] = $url; + $parms['issued-id'] = random_string(); + + ///////////////////////// + dbesc_array($parms); + //////////////////////// + + $ret = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `name`, `issued-id`, `photo`, `site-pubkey`, + `request`, `confirm`, `notify`, `poll`, `visible` ) + VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d )", + intval($uid), + datetime_convert(), + $parms['url'], + $parms['fn'], + $parms['issued-id'], + $parms['photo'], + $parms['key'], + $parms['dfrn-request'], + $parms['dfrn-confirm'], + $parms['dfrn-notify'], + $parms['dfrn-poll'], + ((x($_POST,'visible')) ? 1 : 0 ) + ); + + } + if($ret === false) { + $_SESSION['sysmsg'] .= 'Failed to create contact record.' . EOL; + return; + } + + $ret = q("SELECT `id` FROM `contact` + WHERE `uid` = '%s' AND `url` = '%s' AND `issued-id` = '%s' + LIMIT 1", + intval($uid), + $parms['url'], + $parms['issued-id'] + ); + + if(($ret !== NULL) && (count($ret))) + $contact_id = $ret[0]['id']; + + $hash = random_string() . (string) time(); // Generate a confirm_key + + if($contact_id) { + $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime`) + VALUES ( %d, %d, 1, %d, '%s', '%s', '%s' )", + intval($uid), + intval($contact_id), + ((x($_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) + $_SESSION['sysmsg'] .= "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" : "")); + + } + +}} + +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(! x($_SESSION,'authenticated')) { + $_SESSION['sysmsg'] .= "Please login to confirm introduction." . EOL; + return login(); + } + + // Edge case, but can easily happen in the wild. This person is authenticated, + // but not as the person who needs to deal with this request. + + if (($_SESSION['uid'] != $a->argv[1]) && ($a->user['nickname'] != $a->argv[1])) { + $_SESSION['sysmsg'] .= "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 $o; + + } + else { + // safe to send our user their introduction + if((x($_GET,'confirm_key')) && strlen($_GET['confirm_key'])) { + $r = q("UPDATE `intro` SET `blocked` = 0 WHERE `hash` = '%s' LIMIT 1", + dbesc($_GET['confirm_key']) + ); + return; + } + + + // Outside request. Display our user's introduction form. + + + $o = file_get_contents("view/dfrn_request.tpl"); + $o = replace_macros($o,array('$uid' => $a->profile['uid'])); + return $o; + } +}}
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