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-rw-r--r--mod/dfrn_request.php287
1 files changed, 174 insertions, 113 deletions
diff --git a/mod/dfrn_request.php b/mod/dfrn_request.php
index ef3c7274b..7675ee766 100644
--- a/mod/dfrn_request.php
+++ b/mod/dfrn_request.php
@@ -29,76 +29,113 @@ function dfrn_request_post(&$a) {
goaway($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'))) {
+ && local_user() && ($_SESSION['uid'] == $a->argv[1]) && (x($_POST,'dfrn_url'))) {
+
+ // We are the requestor, and we've been sent back to our own site
+ // to confirm the request. We've done so and clicked submit,
+ // which brings us here.
+
$dfrn_url = notags(trim($_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');
+ $contact_record = null;
+
if(x($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;
+ $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `dfrn-url` = '%s' LIMIT 1",
+ intval($_SESSION['uid']),
+ dbesc($dfrn_url)
+ );
+
+ if(count($r)) {
+ if(strlen($r[0]['dfrn-id'])) {
+ notice("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($contact_record['id'])
+ );
}
else {
- if(! x($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;
+ require_once('Scrape.php');
+
+
+ $parms = scrape_dfrn($dfrn_url);
+
+ if(! count($parms)) {
+ notice( 'URL is not valid or does not contain profile information.' . EOL );
+ return;
+ }
+ else {
+ if(! x($parms,'fn'))
+ notice( 'Warning: DFRN profile has no identifiable owner name.' . EOL );
+ if(! x($parms,'photo'))
+ notice( 'Warning: DFRN profile has no profile photo.' . EOL );
+ $invalid = validate_dfrn($parms);
+ if($invalid) {
+ notice( $invalid . ' required DFRN parameter'
+ . (($invalid == 1) ? " was " : "s were " )
+ . "not found at the given URL" . EOL );
+ return;
+ }
}
- }
- }
- 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.";
+
+ $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($r) {
+ notice( "Introduction complete." . EOL);
+ }
// Allow the blocked remote notification to complete
+ if(is_array($contact_record))
+ $dfrn_request = $contact_record['request'];
+
if(strlen($dfrn_request) && strlen($confirm_key))
$s = fetch_url($dfrn_request . '?confirm_key=' . $confirm_key);
-
+ // ignore reply
goaway($dfrn_url);
+ // NOTREACHED
+
}
+ // invalid DFRN-url
+ notice( "Unrecoverable protocol error." . EOL );
+ goaway($a->get_baseurl());
}
@@ -116,105 +153,128 @@ function dfrn_request_post(&$a) {
$uid = $a->profile['uid'];
+ $contact_record = null;
$failed = false;
+ $parms = null;
- require_once('Scrape.php');
if( x($_POST,'dfrn_url')) {
$url = trim($_POST['dfrn_url']);
- if(x($url)) {
+ if(! strlen($url)) {
+ notice( "Invalid URL" . 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( '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
+ $r = q("UPDATE `contact` SET `issued-id` = '%s', `ret-blocked` = 1 WHERE `id` = %d LIMIT 1",
+ dbesc($issued_id),
+ intval($contact_record['id'])
+ );
+ }
+ else {
+
+ require_once('Scrape.php');
+
$parms = scrape_dfrn($url);
if(! count($parms)) {
- $_SESSION['sysmsg'] .= 'URL is not valid or does not contain profile information.' . EOL ;
- $failed = true;
+ notice( 'URL is not valid or does not contain profile information.' . EOL );
+ killme();
}
else {
if(! x($parms,'fn'))
- $_SESSION['sysmsg'] .= 'Warning: DFRN profile has no identifiable owner name.' . EOL ;
+ notice( 'Warning: DFRN profile has no identifiable owner name.' . EOL );
if(! x($parms,'photo'))
- $_SESSION['sysmsg'] .= 'Warning: DFRN profile has no profile photo.' . EOL ;
+ notice( 'Warning: DFRN profile has no profile photo.' . EOL );
$invalid = validate_dfrn($parms);
if($invalid) {
- echo $invalid . ' required DFRN parameter'
+ notice( $invalid . ' required DFRN parameter'
. (($invalid == 1) ? " was " : "s were " )
- . "not found at the given URL" . '<br />';
+ . "not found at the given URL" . EOL) ;
- $failed = true;
+ return;
}
}
- }
-
- $ret = q("SELECT `url` FROM `contact` WHERE `url` = '%s'", dbesc($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();
+ $parms['issued-id'] = $issued_id;
- /////////////////////////
- dbesc_array($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 )
+ 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) {
+ $r = q("SELECT `id` FROM `contact`
+ WHERE `uid` = '%s' AND `url` = '%s' AND `issued-id` = '%s' LIMIT 1",
+ intval($uid),
+ $parms['url'],
+ $parms['issued-id']
+ );
+ if(count($r))
+ $contact_record = $r[0];
+ }
}
- if($ret === false) {
- $_SESSION['sysmsg'] .= 'Failed to create contact record.' . EOL;
+ if($r === false) {
+ notice( 'Failed to update 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) {
+ 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($contact_id),
- ((x($_POST,'knowyou') && ($_POST['knowyou'] == 1)) ? 1 : 0),
- dbesc(trim($_POST['dfrn-request-message'])),
- dbesc($hash),
- dbesc(datetime_convert())
+ VALUES ( %d, %d, 1, %d, '%s', '%s', '%s' )",
+ intval($uid),
+ intval($contact_record['id']),
+ ((x($_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)
- $_SESSION['sysmsg'] .= "Your introduction has been sent." . EOL;
+ notice( "Your introduction has been sent." . EOL );
// "Homecoming" - send the requestor back to their site to record the introduction.
@@ -222,9 +282,10 @@ function dfrn_request_post(&$a) {
$aes_allow = ((function_exists('openssl_encrypt')) ? 1 : 0);
goaway($parms['dfrn-request'] . "?dfrn_url=$dfrn_url" . '&confirm_key=' . $hash . (($aes_allow) ? "&aes_allow=1" : ""));
+ // NOTREACHED
}
-
+ return;
}}
if(! function_exists('dfrn_request_content')) {
@@ -242,8 +303,8 @@ function dfrn_request_content(&$a) {
if(x($_GET,'dfrn_url')) {
- if(! x($_SESSION,'authenticated')) {
- $_SESSION['sysmsg'] .= "Please login to confirm introduction." . EOL;
+ if(! local_user()) {
+ notice( "Please login to confirm introduction." . EOL );
return login();
}
@@ -251,7 +312,7 @@ function dfrn_request_content(&$a) {
// but not as the person who needs to deal with this request.
if (($_SESSION['uid'] != $a->argv[1]) && ($a->user['nickname'] != $a->argv[1])) {
- $_SESSION['sysmsg'] .= "Incorrect identity currently logged in. Please login to <strong>this</strong> profile." . EOL;
+ notice( "Incorrect identity currently logged in. Please login to <strong>this</strong> profile." . EOL);
return login();
}
@@ -271,12 +332,12 @@ function dfrn_request_content(&$a) {
}
else {
- // safe to send our user their introduction
+ // we are the requestee and it is now 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;
+ killme();
}