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allow users to self delete data

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Joshua P Panter 2018-01-26 14:16:01 -05:00
parent cf94871689
commit f751f53648
1 changed files with 99 additions and 118 deletions
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217
.well-known/webfinger/index.php
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@ -1,23 +1,21 @@
<?php
/*
------------------------------------------------------------
* *
* PEWS (pew! pew!) - PHP Easy WebFinger Server 1.5.3 *
* *
* This script enables webfinger support on a server that *
* handles one or more domains. *
* *
* by Josh Panter <joshu at unfettered dot net> *
* *
------------------------------------------------------------
*------------------------------------------------------------
*
* PEWS (pew! pew!) - PHP Easy WebFinger Server 1.6.0
*
* This script enables webfinger support on a server that
* handles one or more domains.
*
* by Josh Panter <joshu at unfettered dot net>
*
*------------------------------------------------------------
*/
/*
CONFIG
*/
// Set an alternate location for the data store. note: no trailing slash
define( 'PEWS_DATA_STORE', 'store' );
// force query and server hosts to match, maybe
define( 'PEWS_DOMAIN_STRICT', false );
// allow a user to edit their own data?
define( 'PEWS_USER_SELF_EDIT', true );
// Begin PEWS server //------------------ DO NOT EDIT ANYTHING BELOW THIS LINE (Unless you REALLY mean it!) ------------------//
@ -46,24 +44,8 @@ if ($req === 'GET') {
if( isset($_GET['resource'])) {
$subject = explode(':', $_GET['resource']);
if($subject[0] === 'acct') {
if(strpos($subject[1], '@')) {
$acct = explode('@', $subject[1]);
$user = preg_replace('/^((\.*)(\/*))*/', '', $acct[0]);
$host = preg_replace('/^((\.*)(\/*))*/', '', $acct[1]);
if(PEWS_DOMAIN_STRICT && $host !== $_SERVER['HTTP_HOST']) {
http_response_code(400);
header("Content-Type: application/json");
print json_encode(array(
'statusCode' => 400,
'message' => "Query and server hosts do not match."
), JSON_UNESCAPED_SLASHES);
die();
}
} else {
$user = preg_replace('/^((\.*)(\/*))*/', '', $subject[1]);
$host = $_SERVER['HTTP_HOST'];
}
$acct_file = PEWS_DATA_STORE."/".$host."/".$user.".json";
$resource = pews_parse_account_string ( $subject[1]);
$acct_file = PEWS_DATA_STORE."/".$resource['host']."/".$resource['user'].".json";
// is there an account on file?
if (file_exists($acct_file)) {
// retrieve resource file and remove PEWS info
@ -104,12 +86,12 @@ if ($req === 'GET') {
} else {
http_response_code(404);
$return['statusCode'] = 404;
$return['message'] = 'Account ['.$subject[1].'] not found.';
$return['message'] = 'Account ' . $resource['acct'] . ' not found.';
}
} else {
http_response_code(400);
$return['statusCode'] = 400;
$return['message'] = 'Malformed query: ['.$subject[0].'] not recognized.';
$return['message'] = 'Malformed query: ['.$subject[0].'] not recognized in ' .$subject. '.';
}
} else {
http_response_code(400);
@ -119,7 +101,7 @@ if ($req === 'GET') {
header("Content-Type: application/json");
print json_encode($return, JSON_UNESCAPED_SLASHES);
die();
// Begin PEWS manager
// ----------- Begin PEWS manager -----------//
} elseif ($req === 'POST') {
// are we receiving a JSON object?
function isValidJSON($str) {
@ -134,22 +116,24 @@ if ($req === 'GET') {
$pass = $_POST['pass'];
if (isset($_POST['auth'])) {
$user = $_POST['auth'];
$auth = pews_auth($user, $pass, true);
if(!$auth['is']) {
$auth = pews_auth($user, $pass);
$class = $auth['class'];
if(!$class) {
http_response_code(401);
$return['info'] = $auth['info'];
} else {
if($auth['class'] == 'admin') $return = pews_manager(true, null);
else $return = pews_manager(false, $pass);
}
} elseif($class == 'user') {
http_response_code(403);
$return['info'] = 'forbidden: contact admin for access';
} else $return = pews_manager($class, false);
} else $return = pews_manager(false, $pass);
} else {
http_response_code(403);
$return['info'] = 'forbidden';
$return['info'] = 'forbidden: credentials required';
}
header("Content-Type: application/json");
print json_encode($return, JSON_UNESCAPED_SLASHES);
die();
// ----------- Begin PEWS Fail -----------//
} else {
header("Content-Type: application/json");
http_response_code(405);
@ -159,41 +143,55 @@ if ($req === 'GET') {
), JSON_UNESCAPED_SLASHES);
die();
}
function pews_auth( $resource, $key, $admin ) {
// ----------- Begin PEWS functions -----------//
function pews_parse_account_string ( $acct ) {
if(strpos($acct, '@')) {
$parts = explode('@', $acct );
$user = preg_replace('/^((\.*)(\/*))*/', '', $parts[0]);
$host = preg_replace('/^((\.*)(\/*))*/', '', $parts[1]);
} else {
$user = preg_replace('/^((\.*)(\/*))*/', '', $str);
$host = $_SERVER['HTTP_HOST'];
$acct = $user . '@' . $host;
}
$return['user'] = $user;
$return['host'] = $host;
$return['acct'] = $acct;
return $return;
}
function pews_auth( $resource, $key ) {
$resource = pews_parse_account_string( $resource );
$acct_file = PEWS_DATA_STORE ."/". $resource['host'] . "/" . $resource['user'].".json";
$acct_file = PEWS_DATA_STORE ."/". $resource['host'] . "/" . $resource['user'] .".json";
// is there an account on file?
if(file_exists($acct_file)) {
$data = json_decode(file_get_contents($acct_file), true);
$userData = $data['PEWS'];
$class = $userData['class'];
$lock = $userData['pass'];
$data = json_decode(file_get_contents($acct_file), true);
$userData = $data['PEWS'];
$class = $userData['class'];
$lock = $userData['pass'];
if(strpos($lock, 'pews-hashed') === false ) {
$hashit = pews_hash_pass($acct_file);
if(!$hashit['is'] ) die($hashit['info']);
if($hashit['is'] !== true ) die($hashit['info']);
if($lock == $key ) {
$return['is'] = true;
$return['info'] = $hashit['info'];
$return['class'] = $class;
} else {
$return['is'] = false;
$return['info'] = 'bad password';
$return['class'] = false;
}
} else {
$hashLock = explode(':', $lock);
$hashLock = $hashLock[1];
if(password_verify($key, $hashLock)) {
$return['is'] = true;
$return['info'] = 'success';
$return['class'] = $class;
} else {
$return['is'] = false;
$return['info'] = 'bad password';
$return['class'] = false;
}
}
} else {
$return['is'] = false;
$return['info'] = 'bad user name';
$return['class'] = false;
}
return $return;
}
@ -234,7 +232,7 @@ function pews_hash_pass($acct_file) {
function pews_manager( $auth, $password ) {
// add a new host to the server TODO url validations, etc
if(isset($_POST['addHost'])) {
if($auth) {
if(isset($auth) && $auth == 'admin') {
$host = preg_replace('/^((\.*)(\/*))*/', '', $_POST['addHost']);
$new = PEWS_DATA_STORE . '/' . $host;
if (!file_exists($new)){
@ -258,10 +256,9 @@ function pews_manager( $auth, $password ) {
http_response_code(403);
$return['info'] = 'forbidden';
}
return $return;
// delete a host AND all resources
} elseif(isset($_POST['delHost'])) {
if($auth) {
if(isset($auth) && $auth == 'admin') {
$host = preg_replace('/^((\.*)(\/*))*/', '', $_POST['addHost']);
$old = PEWS_DATA_STORE . '/' . $host;
if (file_exists($old)) {
@ -289,10 +286,9 @@ function pews_manager( $auth, $password ) {
http_response_code(403);
$return['info'] = 'forbidden';
}
return $return;
// Add a new resource account!
} elseif(isset($_POST['addResource'])) {
if($auth) {
if(isset($auth) && $auth == 'admin') {
$resource = pews_parse_account_string( $_POST['addResource'] );
$newHost = PEWS_DATA_STORE . '/' . $resource['host'];
if (!file_exists($newHost)){
@ -365,41 +361,48 @@ function pews_manager( $auth, $password ) {
http_response_code(403);
$return['info'] = 'forbidden';
}
return $return;
// Remove a resource/account from the server
} elseif(isset($_POST['delResource'])) {
if($auth) {
$resource = pews_parse_account_string( $_POST['delResource'] );
$acct_file = PEWS_DATA_STORE ."/". $resource['host'] ."/". $resource['user'] .".json";
if (file_exists($acct_file)) {
$destroy = unlink($acct_file);
if(!$destroy) {
http_response_code(500);
$return['statusCode'] = 500;
$return['message'] = 'Server Error: resource not destroyed.';
} else {
http_response_code(200);
$return['statusCode'] = 200;
$return['message'] = 'Acct: '. $resource['acct'] .' successfully removed';
}
} else {
http_response_code(200);
$return['statusCode'] = 200;
$return['message'] = 'Acct already absent';
}
} else {
http_response_code(403);
$return['info'] = 'forbidden';
}
return $return;
// adding an alias to a resource
} elseif(isset($_POST['addAlias'])) {
$resource = pews_parse_account_string( $_POST['addAlias'] );
$resource = $_POST['delResource'];
switch ($auth) {
case false:
$reauth = pews_auth( $resource['acct'], $password, false );
$auth = $reauth['is'];
$reauth = pews_auth( $resource, $password );
$auth = $reauth['class'];
case true:
$resource = pews_parse_account_string( $resource );
$acct_file = PEWS_DATA_STORE ."/". $resource['host'] ."/". $resource['user'] .".json";
if (file_exists($acct_file)) {
$destroy = unlink($acct_file);
if(!$destroy) {
http_response_code(500);
$return['statusCode'] = 500;
$return['message'] = 'Server Error: resource not destroyed.';
} else {
http_response_code(200);
$return['statusCode'] = 200;
$return['message'] = 'Acct: '. $resource['acct'] .' successfully removed';
}
} else {
http_response_code(200);
$return['statusCode'] = 200;
$return['message'] = 'Acct already absent';
}
break;
default:
http_response_code(401);
$return['statusCode'] = 401;
$return['message'] = "You can delete your account if you know your credentials";
$return['info'] = $reauth['info'];
}
// adding an alias to a resource
} elseif(isset($_POST['addAlias'])) {
$resource = $_POST['addAlias'];
switch ($auth) {
case false:
$reauth = pews_auth( $resource, $password );
$auth = $reauth['class'];
case true:
$resource = pews_parse_account_string( $resource );
if(isset($_POST['newAlias'])) {
$newAlias = $_POST['newAlias'];
$acct_file = PEWS_DATA_STORE . '/' . $resource['host'] .'/'. $resource['user'] . '.json';
@ -436,12 +439,13 @@ function pews_manager( $auth, $password ) {
}
// remove an alias from a resource
} elseif(isset($_POST['delAlias'])) {
$resource = pews_parse_account_string( $_POST['delAlias'] );
$resource = $_POST['delAlias'];
switch ($auth) {
case false:
$reauth = pews_auth( $resource['acct'], $password, false );
$auth = $reauth['is'];
$reauth = pews_auth( $resource, $password );
$auth = $reauth['class'];
case true:
$resource = pews_parse_account_string( $resource );
if(isset($_POST['oldAlias'])) {
$oldAlias = $_POST['oldAlias'];
$acct_file = PEWS_DATA_STORE . '/' . $resource['host'] .'/'. $resource['user'] . '.json';
@ -501,12 +505,13 @@ function pews_manager( $auth, $password ) {
} elseif(isset($_POST['delLink'])) {
// Update a Password
} elseif(isset($_POST['updatePass'])) {
$resource = pews_parse_account_string( $_POST['updatePass'] );
$resource = $_POST['updatePass'];
switch ($auth) {
case false:
$reauth = pews_auth( $resource['acct'], $password, false );
$auth = $reauth['is'];
$reauth = pews_auth( $resource, $password );
$auth = $reauth['class'];
case true:
$resource = pews_parse_account_string( $resource );
if(isset($_POST['newPass'])) {
$newPass = $_POST['newPass'];
$acct_file = PEWS_DATA_STORE .'/'. $resource['host'] .'/'. $resource['user'] .'.json';
@ -549,28 +554,4 @@ function pews_manager( $auth, $password ) {
}
return $return;
}
function pews_parse_account_string ( $acct ) {
if(strpos($acct, '@')) {
$parts = explode('@', $acct[1]);
$user = preg_replace('/^((\.*)(\/*))*/', '', $parts[0]);
$host = preg_replace('/^((\.*)(\/*))*/', '', $parts[1]);
// if(PEWS_DOMAIN_STRICT && $host !== $_SERVER['HTTP_HOST']) {
// http_response_code(400);
// header("Content-Type: application/json");
// print json_encode(array(
// 'statusCode' => 400,
// 'message' => "Query and server hosts do not match."
// ), JSON_UNESCAPED_SLASHES);
// die();
// }
} else {
$user = preg_replace('/^((\.*)(\/*))*/', '', $str);
$host = $_SERVER['HTTP_HOST'];
$acct = $user . '@' . $host;
}
$return['user'] = $user;
$return['host'] = $host;
$return['acct'] = $acct;
return $return;
}
?>