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