5 function dfrn_confirm_post(&$a) {
10 if(x($_POST,'source_url')) {
12 // We are processing an external confirmation to an introduction created by our user.
14 $public_key = $_POST['public_key'];
15 $dfrn_id = $_POST['dfrn_id'];
16 $source_url = $_POST['source_url'];
17 $aes_key = $_POST['aes_key'];
19 // Find our user's account
21 $r = q("SELECT * FROM `user` WHERE `nickname` = '%s' LIMIT 1",
25 xml_status(3); // failure
28 $my_prvkey = $r[0]['prvkey'];
29 $local_uid = $r[0]['uid'];
31 $decrypted_source_url = "";
35 openssl_private_decrypt($source_url,$decrypted_source_url,$my_prvkey);
38 $ret = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `uid` = %d LIMIT 1",
39 dbesc($decrypted_source_url),
43 // this is either a bogus confirmation or we deleted the original introduction.
47 $relation = $r[0]['rel'];
49 // Decrypt all this stuff we just received
51 $foreign_pubkey = $ret[0]['site-pubkey'];
52 $dfrn_record = $ret[0]['id'];
53 $decrypted_dfrn_id = "";
54 openssl_public_decrypt($dfrn_id,$decrypted_dfrn_id,$foreign_pubkey);
56 if(strlen($aes_key)) {
57 $decrypted_aes_key = "";
58 openssl_private_decrypt($aes_key,$decrypted_aes_key,$my_prvkey);
59 $dfrn_pubkey = openssl_decrypt($public_key,'AES-256-CBC',$decrypted_aes_key);
62 $dfrn_pubkey = $public_key;
65 $r = q("SELECT * FROM `contact` WHERE `dfrn-id` = '%s' LIMIT 1",
66 dbesc($decrypted_dfrn_id),
69 xml_status(1); // Birthday paradox - duplicate dfrn-id
71 $r = q("UPDATE `contact` SET `dfrn-id` = '%s', `pubkey` = '%s' WHERE `id` = %d LIMIT 1",
72 dbesc($decrypted_dfrn_id),
74 intval($dfrn_record));
77 // We're good but now we have to scrape the profile photo and send notifications.
79 require_once("Photo.php");
81 $photo_failure = false;
83 $r = q("SELECT `photo` FROM `contact` WHERE `id` = %d LIMIT 1",
84 intval($dfrn_record));
87 $filename = basename($r[0]['photo']);
88 $img_str = fetch_url($r[0]['photo'],true);
89 $img = new Photo($img_str);
92 $img->scaleImageSquare(175);
94 $hash = hash('md5',uniqid(mt_rand(),true));
96 $r = $img->store($local_uid, $dfrn_record, $hash, $filename, t('Contact Photos') , 4);
99 $photo_failure = true;
101 $img->scaleImage(80);
102 $r = $img->store($local_uid, $dfrn_record, $hash, $filename, t('Contact Photos') , 5);
105 $photo_failure = true;
107 $photo = $a->get_baseurl() . '/photo/' . $hash . '-4.jpg';
108 $thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.jpg';
111 $photo_failure = true;
114 $photo_failure = true;
117 $photo = $a->get_baseurl() . '/images/default-profile.jpg';
118 $thumb = $a->get_baseurl() . '/images/default-profile-sm.jpg';
121 $r = q("UPDATE `contact` SET `photo` = '%s', `thumb` = '%s', `rel` = %d, `name-date` = '%s', `uri-date` = '%s', `avatar-date` = '%s', `blocked` = 0, `pending` = 0, `network` = 'dfrn' WHERE `id` = %d LIMIT 1",
124 intval(($relation == DIRECTION_IN) ? DIRECTION_BOTH: DIRECTION_OUT),
125 dbesc(datetime_convert()),
126 dbesc(datetime_convert()),
127 dbesc(datetime_convert()),
131 notice( t("Unable to set contact photo info.") . EOL);
133 // Otherwise everything seems to have worked and we are almost done. Yay!
134 // Send an email notification
136 $r = q("SELECT * FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
137 WHERE `contact`.`id` = %d LIMIT 1",
138 intval($dfrn_record));
139 if((count($r)) && ($r[0]['notify-flags'] & NOTIFY_CONFIRM)) {
141 $tpl = file_get_contents('view/intro_complete_eml.tpl');
143 $email_tpl = replace_macros($tpl, array(
144 '$sitename' => $a->config['sitename'],
145 '$siteurl' => $a->get_baseurl(),
146 '$username' => $r[0]['username'],
147 '$email' => $r[0]['email'],
148 '$fn' => $r[0]['name'],
149 '$dfrn_url' => $r[0]['url'],
153 $res = mail($r[0]['email'], t("Introduction accepted at ") . $a->config['sitename'],
154 $email_tpl,t("From: Administrator@") . $_SERVER[SERVER_NAME] );
156 notice( t("Email notification failed.") . EOL );
159 xml_status(0); // Success
161 return; // NOTREACHED
164 xml_status(2); // Hopefully temporary problem that can be retried.
166 return; // NOTREACHED
168 ////////////////////// End of this scenario ///////////////////////////////////////////////
172 // We are processing a local confirmation initiated on this system by our user to an external introduction.
174 $uid = $_SESSION['uid'];
177 notice( t("Permission denied.") . EOL );
181 $dfrn_id = ((x($_POST,'dfrn_id')) ? notags(trim($_POST['dfrn_id'])) : "");
182 $intro_id = intval($_POST['intro_id']);
184 $r = q("SELECT * FROM `contact` WHERE `issued-id` = '%s' AND `uid` = %d LIMIT 1",
189 if((! $r) || (! count($r))) {
190 notice( t('Node does not exist.') . EOL );
194 $contact_id = $r[0]['id'];
195 $relation = $r[0]['rel'];
196 $site_pubkey = $r[0]['site-pubkey'];
197 $dfrn_confirm = $r[0]['confirm'];
198 $aes_allow = $r[0]['aes_allow'];
200 $res=openssl_pkey_new(array(
201 'digest_alg' => 'whirlpool',
202 'private_key_bits' => 4096,
203 'encrypt_key' => false ));
208 openssl_pkey_export($res, $private_key);
211 $pubkey = openssl_pkey_get_details($res);
212 $public_key = $pubkey["key"];
214 $r = q("UPDATE `contact` SET `issued-pubkey` = '%s', `prvkey` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
224 $src_aes_key = random_string();
227 openssl_private_encrypt($dfrn_id,$result,$a->user['prvkey']);
229 $params['dfrn_id'] = $result;
230 $params['public_key'] = $public_key;
233 openssl_public_encrypt($_SESSION['my_url'], $params['source_url'], $site_pubkey);
235 if($aes_allow && function_exists('openssl_encrypt')) {
236 openssl_public_encrypt($src_aes_key, $params['aes_key'], $site_pubkey);
237 $params['public_key'] = openssl_encrypt($public_key,'AES-256-CBC',$src_aes_key);
240 $res = post_url($dfrn_confirm,$params);
242 // uncomment the following two lines and comment the following xml/status lines
243 // to debug the remote confirmation section (when both confirmations
244 // and responses originate on this system)
249 $xml = simplexml_load_string($res);
250 $status = (int) $xml->status;
253 notice( t("Confirmation completed successfully") . EOL);
257 // birthday paradox - generate new dfrn-id and fall through.
259 $new_dfrn_id = random_string();
260 $r = q("UPDATE contact SET `issued-id` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
267 notice( t("Temporary failure. Please wait and try again.") . EOL);
272 notice( t("Introduction failed or was revoked. Cannot complete.") . EOL);
276 if(($status == 0 || $status == 3) && ($intro_id)) {
278 //delete the notification
280 $r = q("DELETE FROM `intro` WHERE `id` = %d AND `uid` = %d LIMIT 1",
290 require_once("Photo.php");
292 $photo_failure = false;
294 $r = q("SELECT `photo` FROM `contact` WHERE `id` = %d LIMIT 1",
295 intval($contact_id));
298 $filename = basename($r[0]['photo']);
299 $img_str = fetch_url($r[0]['photo'],true);
300 $img = new Photo($img_str);
303 $img->scaleImageSquare(175);
305 $hash = hash('md5',uniqid(mt_rand(),true));
307 $r = $img->store($uid, $contact_id, $hash, $filename, t('Contact Photos'), 4 );
310 $photo_failure = true;
311 $img->scaleImage(80);
313 $r = $img->store($uid, $contact_id, $hash, $filename, t('Contact Photos'), 5 );
316 $photo_failure = true;
318 $photo = $a->get_baseurl() . '/photo/' . $hash . '-4.jpg';
319 $thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.jpg';
322 $photo_failure = true;
325 $photo_failure = true;
328 $photo = $a->get_baseurl() . '/images/default-profile.jpg';
329 $thumb = $a->get_baseurl() . '/images/default-profile-sm.jpg';
332 $r = q("UPDATE `contact` SET `photo` = '%s', `thumb` = '%s', `rel` = %d, `name-date` = '%s', `uri-date` = '%s', `avatar-date` = '%s', `blocked` = 0, `pending` = 0, `network` = 'dfrn' WHERE `id` = %d LIMIT 1",
335 intval(($relation == DIRECTION_OUT) ? DIRECTION_BOTH: DIRECTION_IN),
336 dbesc(datetime_convert()),
337 dbesc(datetime_convert()),
338 dbesc(datetime_convert()),
342 notice( t('Unable to set contact photo.') . EOL);
344 goaway($a->get_baseurl() . '/contacts/' . intval($contact_id));