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-rw-r--r--mod/dfrn_request.php827
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diff --git a/mod/dfrn_request.php b/mod/dfrn_request.php
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+<?php
+
+/**
+ *
+ * Module: dfrn_request
+ *
+ * Purpose: Handles communication associated with the issuance of
+ * friend requests.
+ *
+ */
+
+if(! function_exists('dfrn_request_init')) {
+function dfrn_request_init(&$a) {
+
+ if($a->argc > 1)
+ $which = $a->argv[1];
+
+ profile_load($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) {
+
+ if(($a->argc != 2) || (! count($a->profile)))
+ return;
+
+
+ if(x($_POST, 'cancel')) {
+ goaway(z_root());
+ }
+
+
+ /**
+ *
+ * Scenario 2: We've introduced ourself to another cell, then have been returned to our own cell
+ * to confirm the request, and then we've clicked submit (perhaps after logging in).
+ * That brings us here:
+ *
+ */
+
+ if((x($_POST,'localconfirm')) && ($_POST['localconfirm'] == 1)) {
+
+ /**
+ * Ensure this is a valid request
+ */
+
+ if(local_user() && ($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)) {
+
+ /**
+ * Lookup the contact based on their URL (which is the only unique thing we have at the moment)
+ */
+
+ $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND (`url` = '%s' OR `nurl` = '%s') AND `self` = 0 LIMIT 1",
+ intval(local_user()),
+ dbesc($dfrn_url),
+ dbesc(normalise_link($dfrn_url))
+ );
+
+ if(count($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;
+ }
+ 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 {
+
+ /**
+ * 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($parms)) {
+ notice( t('Profile location is not valid or does not contain profile information.') . EOL );
+ return;
+ }
+ else {
+ if(! x($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( sprintf( tt("%d required parameter was not found at the given location",
+ "%d required parameters were not found at the given location",
+ $invalid), $invalid) . EOL );
+ return;
+ }
+ }
+
+ $dfrn_request = $parms['dfrn-request'];
+
+ /********* Escape the entire array ********/
+
+ dbesc_array($parms);
+
+ /******************************************/
+
+ /**
+ * Create a contact record on our site for the other person
+ */
+
+ $r = q("INSERT INTO `contact` ( `uid`, `created`,`url`, `nurl`, `name`, `nick`, `photo`, `site-pubkey`,
+ `request`, `confirm`, `notify`, `poll`, `poco`, `network`, `aes_allow`)
+ VALUES ( %d, '%s', '%s', '%s', '%s' , '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d)",
+ intval(local_user()),
+ datetime_convert(),
+ dbesc($dfrn_url),
+ dbesc(normalise_link($dfrn_url)),
+ $parms['fn'],
+ $parms['nick'],
+ $parms['photo'],
+ $parms['key'],
+ $parms['dfrn-request'],
+ $parms['dfrn-confirm'],
+ $parms['dfrn-notify'],
+ $parms['dfrn-poll'],
+ $parms['dfrn-poco'],
+ dbesc(NETWORK_DFRN),
+ intval($aes_allow)
+ );
+ }
+
+ if($r) {
+ info( t("Introduction complete.") . EOL);
+ }
+
+ /**
+ * Allow the blocked remote notification to complete
+ */
+
+ if(is_array($contact_record))
+ $dfrn_request = $contact_record['request'];
+
+ if(strlen($dfrn_request) && strlen($confirm_key))
+ $s = fetch_url($dfrn_request . '?confirm_key=' . $confirm_key);
+
+ // (ignore reply, nothing we can do it failed)
+
+ goaway(zrl($dfrn_url));
+ return; // NOTREACHED
+
+ }
+
+ }
+
+ // invalid/bogus request
+
+ notice( t('Unrecoverable protocol error.') . EOL );
+ goaway(z_root());
+ return; // NOTREACHED
+ }
+
+ /**
+ * 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'];
+ $maxreq = intval($a->profile['maxreq']);
+ $contact_record = 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( sprintf( t('%s has received too many connection requests today.'), $a->profile['name']) . 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
+ * Do not remove email contacts as these may be awaiting email verification
+ */
+
+ $r = q("SELECT `intro`.*, `intro`.`id` AS `iid`, `contact`.`id` AS `cid`, `contact`.`rel`
+ FROM `intro` LEFT JOIN `contact` on `intro`.`contact-id` = `contact`.`id`
+ WHERE `intro`.`blocked` = 1 AND `contact`.`self` = 0
+ AND `contact`.`network` != '%s'
+ AND `intro`.`datetime` < UTC_TIMESTAMP() - INTERVAL 30 MINUTE ",
+ dbesc(NETWORK_MAIL2)
+ );
+ if(count($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'])
+ );
+ }
+ }
+
+ /**
+ *
+ * Cleanup any old email intros - which will have a greater lifetime
+ */
+
+ $r = q("SELECT `intro`.*, `intro`.`id` AS `iid`, `contact`.`id` AS `cid`, `contact`.`rel`
+ FROM `intro` LEFT JOIN `contact` on `intro`.`contact-id` = `contact`.`id`
+ WHERE `intro`.`blocked` = 1 AND `contact`.`self` = 0
+ AND `contact`.`network` = '%s'
+ AND `intro`.`datetime` < UTC_TIMESTAMP() - INTERVAL 3 DAY ",
+ dbesc(NETWORK_MAIL2)
+ );
+ if(count($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'])
+ );
+ }
+ }
+
+ $email_follow = (x($_POST,'email_follow') ? intval($_POST['email_follow']) : 0);
+ $real_name = (x($_POST,'realname') ? notags(trim($_POST['realname'])) : '');
+
+ $url = trim($_POST['dfrn_url']);
+ if(! strlen($url)) {
+ notice( t("Invalid locator") . EOL );
+ return;
+ }
+
+ $hcard = '';
+
+ if($email_follow) {
+
+ if(! validate_email($url)) {
+ notice( t('Invalid email address.') . EOL);
+ return;
+ }
+
+ $addr = $url;
+ $name = ($realname) ? $realname : $addr;
+ $nick = substr($addr,0,strpos($addr,'@'));
+ $url = 'http://' . substr($addr,strpos($addr,'@') + 1);
+ $nurl = normalise_url($host);
+ $poll = 'email ' . random_string();
+ $notify = 'smtp ' . random_string();
+ $blocked = 1;
+ $pending = 1;
+ $network = NETWORK_MAIL2;
+ $rel = CONTACT_IS_FOLLOWER;
+
+ $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
+ if(get_config('system','dfrn_only'))
+ $mail_disabled = 1;
+
+ if(! $mail_disabled) {
+ $failed = false;
+ $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
+ intval($uid)
+ );
+ if(! count($r)) {
+ notice( t('This account has not been configured for email. Request failed.') . EOL);
+ return;
+ }
+ }
+
+ $r = q("insert into contact ( uid, created, addr, name, nick, url, nurl, poll, notify, blocked, pending, network, rel )
+ values( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d ) ",
+ intval($uid),
+ dbesc(datetime_convert()),
+ dbesc($addr),
+ dbesc($name),
+ dbesc($nick),
+ dbesc($url),
+ dbesc($nurl),
+ dbesc($poll),
+ dbesc($notify),
+ intval($blocked),
+ intval($pending),
+ dbesc($network),
+ intval($rel)
+ );
+
+ $r = q("select id from contact where poll = '%s' and uid = %d limit 1",
+ dbesc($poll),
+ intval($uid)
+ );
+ if(count($r)) {
+ $contact_id = $r[0]['id'];
+
+ $photo = avatar_img($addr);
+
+ $r = q("UPDATE `contact` SET
+ `photo` = '%s',
+ `thumb` = '%s',
+ `micro` = '%s',
+ `name-date` = '%s',
+ `uri-date` = '%s',
+ `avatar-date` = '%s',
+ `hidden` = 0,
+ WHERE `id` = %d LIMIT 1
+ ",
+ dbesc($photos[0]),
+ dbesc($photos[1]),
+ dbesc($photos[2]),
+ dbesc(datetime_convert()),
+ dbesc(datetime_convert()),
+ dbesc(datetime_convert()),
+ intval($contact_id)
+ );
+ }
+
+ // contact is created. Now create an introduction
+
+ $hash = random_string();
+
+ $r = q("insert into intro ( uid, `contact-id`, knowyou, note, hash, datetime, blocked )
+ values( %d , %d, %d, '%s', '%s', '%s', %d ) ",
+ intval($uid),
+ intval($contact_id),
+ ((x($_POST,'knowyou') && ($_POST['knowyou'] == 1)) ? 1 : 0),
+ dbesc(notags(trim($_POST['dfrn-request-message']))),
+ dbesc($hash),
+ dbesc(datetime_convert()),
+ 1
+ );
+
+ // Next send an email verify form to the requestor.
+
+ }
+
+ else {
+
+ // Canonicalise email-style profile locator
+
+ $url = webfinger_dfrn($url,$hcard);
+
+ if(substr($url,0,5) === 'stat:') {
+ $network = NETWORK_OSTATUS;
+ $url = substr($url,5);
+ }
+ else {
+ $network = 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 === 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'] == CONTACT_IS_FRIEND) {
+ notice( sprintf( t('Apparently you are already friends with %s.'), $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');
+
+ $parms = scrape_dfrn(($hcard) ? $hcard : $url);
+
+ if(! count($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( sprintf( tt("%d required parameter was not found at the given location",
+ "%d required parameters were not found at the given location",
+ $invalid), $invalid) . EOL );
+
+ return;
+ }
+ }
+
+
+ $parms['url'] = $url;
+ $parms['issued-id'] = $issued_id;
+
+
+ dbesc_array($parms);
+ $r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `nurl`,`name`, `nick`, `issued-id`, `photo`, `site-pubkey`,
+ `request`, `confirm`, `notify`, `poll`, `poco`, `network` )
+ VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' )",
+ intval($uid),
+ dbesc(datetime_convert()),
+ $parms['url'],
+ dbesc(normalise_link($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'],
+ $parms['dfrn-poco'],
+ dbesc(NETWORK_DFRN)
+ );
+
+ // find the contact record we just created
+ if($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)
+ info( 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 $network === NETWORK_DFRN
+ }
+ elseif($network === NETWORK_OSTATUS) {
+
+ /**
+ *
+ * OStatus network
+ * Check contact existence
+ * Try and scrape together enough information to create a contact record,
+ * with us as CONTACT_IS_FOLLOWER
+ * 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 $network === NETWORK_OSTATUS
+ }
+
+ } return;
+}}
+
+
+
+
+if(! function_exists('dfrn_request_content')) {
+function dfrn_request_content(&$a) {
+
+ if(($a->argc != 2) || (! count($a->profile)))
+ return "";
+
+
+ // "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()) {
+ info( 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();
+ }
+
+ // 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'] : "");
+ $tpl = get_markup_template("dfrn_req_confirm.tpl");
+ $o = replace_macros($tpl,array(
+ '$dfrn_url' => $dfrn_url,
+ '$aes_allow' => (($aes_allow) ? '<input type="hidden" name="aes_allow" value="1" />' : "" ),
+ '$confirm_key' => $confirm_key,
+ '$welcome' => sprintf( t('Welcome home %s.'), $a->user['username']),
+ '$please' => sprintf( t('Please confirm your introduction/connection request to %s.'), $dfrn_url),
+ '$submit' => t('Confirm'),
+ '$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(! $auto_confirm) {
+ require_once('include/enotify.php');
+ notification(array(
+ 'type' => NOTIFY_INTRO,
+ 'notify_flags' => $r[0]['notify-flags'],
+ 'language' => $r[0]['language'],
+ 'to_name' => $r[0]['username'],
+ 'to_email' => $r[0]['email'],
+ 'uid' => $r[0]['uid'],
+ 'link' => $a->get_baseurl() . '/notifications/intros',
+ 'source_name' => ((strlen(stripslashes($r[0]['name']))) ? stripslashes($r[0]['name']) : t('[Name Withheld]')),
+ 'source_link' => $r[0]['url'],
+ 'source_photo' => $r[0]['photo'],
+ 'verb' => ACTIVITY_REQ_FRIEND,
+ 'otype' => 'intro'
+ ));
+ }
+
+ if($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),
+ 'activity' => intval(get_pconfig($r[0]['uid'],'system','post_newfriend'))
+ );
+ dfrn_confirm_post($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 {
+
+ /**
+ * Normal web request. Display our user's introduction form.
+ */
+
+ if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
+ notice( t('Public access denied.') . EOL);
+ return;
+ }
+
+
+ /**
+ * Try to auto-fill the profile address
+ */
+
+ if(local_user()) {
+ if(strlen($a->path)) {
+ $myaddr = $a->get_baseurl() . '/profile/' . $a->user['nickname'];
+ }
+ else {
+ $myaddr = $a->user['nickname'] . '@' . substr(z_root(), strpos(z_root(),'://') + 3 );
+ }
+ }
+ elseif(x($_GET,'addr')) {
+ $myaddr = hex2bin($_GET['addr']);
+ }
+ else {
+ /* $_GET variables are already urldecoded */
+ $myaddr = ((x($_GET,'address')) ? $_GET['address'] : '');
+ }
+
+ // last, try a zrl
+ if(! strlen($myaddr))
+ $myaddr = get_my_url();
+
+
+ $target_addr = $a->profile['nickname'] . '@' . substr(z_root(), strpos(z_root(),'://') + 3 );
+
+
+ /**
+ *
+ * The auto_request form only has the profile address
+ * because nobody is going to read the comments and
+ * it doesn't matter if they know you or not.
+ *
+ */
+
+ if($a->profile['page-flags'] == PAGE_NORMAL)
+ $tpl = get_markup_template('dfrn_request.tpl');
+ else
+ $tpl = get_markup_template('auto_request.tpl');
+
+ # $page_desc = sprintf( t('Diaspora members: Please do not use this form. Instead, enter "%s" into your Diaspora search bar.'),
+ # $target_addr) . EOL . EOL;
+
+ $page_desc .= t("Please enter your 'Identity Address' from one of the following supported communications networks:");
+
+ // see if we are allowed to have NETWORK_MAIL2 contacts
+
+ $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
+ if(get_config('system','dfrn_only'))
+ $mail_disabled = 1;
+
+ if(! $mail_disabled) {
+ $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
+ intval($a->profile['uid'])
+ );
+ if(! count($r))
+ $mail_disabled = 1;
+ }
+
+ $emailnet = (($mail_disabled) ? '' : t("<strike>Connect as an email follower</strike> \x28Coming soon\x29"));
+
+ $invite_desc = t('If you are not yet a member of the free social web, <a href="http://dir.friendica.com/siteinfo">follow this link to find a public Friendica site and join us today</a>.');
+
+ $o .= replace_macros($tpl,array(
+ '$header' => t('Friend/Connection Request'),
+ '$desc' => t('Examples: jojo@demo.friendica.com, http://demo.friendica.com/profile/jojo, testuser@identi.ca'),
+ '$pls_answer' => t('Please answer the following:'),
+ '$does_know' => sprintf( t('Does %s know you?'),$a->profile['name']),
+ '$yes' => t('Yes'),
+ '$no' => t('No'),
+ '$add_note' => t('Add a personal note:'),
+ '$page_desc' => $page_desc,
+ '$friendica' => t('Friendica'),
+ '$statusnet' => t('StatusNet/Federated Social Web'),
+ '$diaspora' => t('Diaspora'),
+ '$diasnote' => sprintf (t(' - please do not use this form. Instead, enter %s into your Diaspora search bar.'),$target_addr),
+ '$your_address' => t('Your Identity Address:'),
+ '$invite_desc' => $invite_desc,
+ '$emailnet' => $emailnet,
+ '$submit' => t('Submit Request'),
+ '$cancel' => t('Cancel'),
+ '$nickname' => $a->argv[1],
+ '$name' => $a->profile['name'],
+ '$myaddr' => $myaddr
+ ));
+ return $o;
+ }
+
+ return; // Somebody is fishing.
+}}