forked from friendica/friendica-addons
bug fixes and improvements
This commit is contained in:
Leberwurscht
parent
05c8b71d13
commit
af99d51a7c
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@ -10,6 +10,9 @@ address of a BOSH proxy that works with your account.
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The addon has an experimental autosubscribe and autosuggest functionality which tries
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to add your Friendica contacts to your roster automatically.
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Limitations:
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- can only handle Jabber passwords that are at most 39 characters long
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Installation
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------------
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@ -23,7 +23,8 @@ and not to the server (at least as soon as the user is logged in). It can be sto
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This encryption key could be the friendica password, but then this password would be stored in the browser in cleartext.
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It is better to use a hash of the password.
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The server should not be able to reconstruct the password, so we can't take the same hash the server stores. But we can
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use hash("some_prefix"+password). This will however not work with OpenID logins.
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use hash("some_prefix"+password). This will however not work with OpenID logins, for this type of login the password must
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be queried manually.
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Problem:
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How to discover the jabber addresses of the friendica contacts?
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@ -37,17 +38,23 @@ We do not want to make the jabber address public.
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Solution:
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When two friendica users connect using DFRN, the relation gets a DFRN ID and a keypair is generated.
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Using this keypair, we can provide the jabber address only to contacs:
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Using this keypair, we can provide the jabber address only to contacts:
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Case 1: Alice has prvkey, Bob has pubkey.
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Alice encrypts request
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Bob decrypts the request, send jabber address unencrypted
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Alice reads address
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Alice:
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signed_address = openssl_*_encrypt(alice_jabber_address)
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send signed_address to Bob, who does
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trusted_address = openssl_*_decrypt(signed_address)
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save trusted_address
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encrypted_address = openssl_*_encrypt(bob_jabber_address)
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reply with encrypted_address to Alice, who does
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decrypted_address = openssl_*_decrypt(encrypted_address)
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save decrypted_address
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Case 2: Alice has prvkey, Bob has pubkey
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Alice send request
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Bob encrypts jabber address
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Alice decrypts jabber address
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Interface for this:
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GET /jappixmini/?role=%s&signed_address=%s&dfrn_id=%s
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Response:
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json({"status":"ok", "encrypted_address":"%s"})
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*/
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@ -78,6 +85,8 @@ unregister_hook('about_hook', 'addon/jappixmini/jappixmini.php', 'jappixmini_dow
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}
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function jappixmini_plugin_admin(&$a, &$o) {
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// display instructions and warnings on addon settings page for admin
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if (!file_exists("addon/jappixmini/jappix")) {
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$o .= '<p><strong>You need to install the Jappix application, adapted for Friendica (see README).</strong></p>';
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}
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@ -91,81 +100,80 @@ function jappixmini_plugin_admin_post(&$a) {
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function jappixmini_module() {}
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function jappixmini_init(&$a) {
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// Here, other friendica sites can fetch the jabber address of local users.
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// Because we do not want to publish the addresses publicly, they are encrypted so
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// that only contacts can read it.
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$encrypt_for = $_REQUEST["encrypt_for"];
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if ($encrypt_for) {
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// module page where other Friendica sites can submit Jabber addresses to and also can query Jabber addresses
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// of local users
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$dfrn_id = $_REQUEST["dfrn_id"];
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if (!$dfrn_id) killme();
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$role = $_REQUEST["role"];
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if ($role=="pub") {
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$r = q("SELECT * FROM `contact` WHERE LENGTH(`pubkey`) AND `dfrn-id`='%s' LIMIT 1",
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dbesc($encrypt_for)
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dbesc($dfrn_id)
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);
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if (!count($r)) killme();
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// get public key to encrypt address
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$pubkey = $r[0]['pubkey'];
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$encrypt_func = openssl_public_encrypt;
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$decrypt_func = openssl_public_decrypt;
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$key = $r[0]["pubkey"];
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} else if ($role=="prv") {
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$r = q("SELECT * FROM `contact` WHERE LENGTH(`prvkey`) AND `issued-id`='%s' LIMIT 1",
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dbesc($dfrn_id)
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);
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if (!count($r)) killme();
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// get jabber address
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$uid = $r[0]['uid'];
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$username = get_pconfig($uid, 'jappixmini', 'username');
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if (!$username) killme();
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$server = get_pconfig($uid, 'jappixmini', 'server');
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if (!$server) killme();
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$address = $username."@".$server;
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// encrypt address
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$encrypted = "";
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openssl_public_encrypt($address,$encrypted,$pubkey);
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// calculate hex representation of encrypted address
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$hex = bin2hex($encrypted);
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// construct answer
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$answer = Array("status"=>"ok", "encrypted_address"=>$hex);
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// return answer as json
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echo json_encode($answer);
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$encrypt_func = openssl_private_encrypt;
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$decrypt_func = openssl_private_decrypt;
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$key = $r[0]["prvkey"];
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} else {
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killme();
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}
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// If we have only a private key, other site sends encrypted request, we answer unencrypted.
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$encrypted_for = $_REQUEST["encrypted_for"];
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if (!$encrypted_for) killme();
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$uid = $r[0]["uid"];
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$encrypted_request_hex = $_REQUEST["encrypted_request"];
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if (!$encrypted_request_hex) killme();
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$encrypted_request = hex2bin($encrypted_request_hex);
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// save the Jabber address we received
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try {
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$signed_address_hex = $_REQUEST["signed_address"];
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$signed_address = hex2bin($signed_address_hex);
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$r = q("SELECT * FROM `contact` WHERE LENGTH(`prvkey`) AND `issued-id` = '%s' LIMIT 1",
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dbesc($encrypted_for)
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);
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if (!count($r)) killme();
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$trusted_address = "";
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$decrypt_func($signed_address, $trusted_address, $key);
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// decrypt request, validate it
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$prvkey = $r[0]['prvkey'];
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$decrypted_request = "";
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openssl_private_decrypt($encrypted_request, $decrypted_request, $prvkey);
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$now = intval(time());
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set_pconfig($uid, "jappixmini", "id:$dfrn_id", "$now:$trusted_address");
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} catch (Exception $e) {
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}
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if ($decrypted_request!=$encrypted_for) killme();
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// get jabber address
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$uid = $r[0]['uid'];
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// return the requested Jabber address
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try {
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$username = get_pconfig($uid, 'jappixmini', 'username');
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if (!$username) killme();
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$server = get_pconfig($uid, 'jappixmini', 'server');
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if (!$server) killme();
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$address = "$username@$server";
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$address = $username."@".$server;
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$encrypted_address = "";
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$encrypt_func($address, $encrypted_address, $key);
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// construct answer
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$answer = Array("status"=>"ok", "address"=>$address);
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$encrypted_address_hex = bin2hex($encrypted_address);
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// return answer as json
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echo json_encode($answer);
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$answer = Array(
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"status"=>"ok",
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"encrypted_address"=>$encrypted_address_hex
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);
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$answer_json = json_encode($answer);
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echo $answer_json;
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killme();
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} catch (Exception $e) {
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killme();
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}
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}
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function jappixmini_settings(&$a, &$s) {
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// addon settings for a user
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$activate = get_pconfig(local_user(),'jappixmini','activate');
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$activate = intval($activate) ? ' checked="checked"' : '';
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$username = get_pconfig(local_user(),'jappixmini','username');
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$username = htmlentities($username);
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$server = get_pconfig(local_user(),'jappixmini','server');
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@ -177,8 +185,6 @@ function jappixmini_settings(&$a, &$s) {
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$autosubscribe = intval($autosubscribe) ? ' checked="checked"' : '';
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$autoapprove = get_pconfig(local_user(),'jappixmini','autoapprove');
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$autoapprove = intval($autoapprove) ? ' checked="checked"' : '';
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$activate = get_pconfig(local_user(),'jappixmini','activate');
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$activate = intval($activate) ? ' checked="checked"' : '';
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$s .= '<div class="settings-block">';
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$s .= '<h3>Jappix Mini addon settings</h3>';
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@ -206,7 +212,7 @@ function jappixmini_settings(&$a, &$s) {
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$s .= '<label for="jappixmini-autosubscribe">Subscribe to Friendica contacts automatically</label>';
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$s .= ' <input id="jappixmini-autosubscribe" type="checkbox" name="jappixmini-autosubscribe" value="1"'.$autosubscribe.' />';
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$s .= '<br />';
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$s .= '<label for="jappixmini-purge">Purge list of jabber addresses of contacts</label>';
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$s .= '<label for="jappixmini-purge">Purge internal list of jabber addresses of contacts</label>';
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$s .= ' <input id="jappixmini-purge" type="checkbox" name="jappixmini-purge" value="1" />';
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$s .= '<br />';
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$s .= '<input type="submit" name="jappixmini-submit" value="' . t('Submit') . '" />';
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@ -220,20 +226,32 @@ function jappixmini_settings(&$a, &$s) {
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}
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function jappixmini_settings_post(&$a,&$b) {
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// save addon settings for a user
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if(! local_user()) return;
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$uid = local_user();
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if($_POST['jappixmini-submit']) {
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set_pconfig(local_user(),'jappixmini','username',trim($b['jappixmini-username']));
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set_pconfig(local_user(),'jappixmini','server',trim($b['jappixmini-server']));
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set_pconfig(local_user(),'jappixmini','bosh',trim($b['jappixmini-bosh']));
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set_pconfig(local_user(),'jappixmini','encrypted-password',trim($b['jappixmini-encrypted-password']));
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set_pconfig(local_user(),'jappixmini','autosubscribe',intval($b['jappixmini-autosubscribe']));
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set_pconfig(local_user(),'jappixmini','autoapprove',intval($b['jappixmini-autoapprove']));
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set_pconfig(local_user(),'jappixmini','activate',intval($b['jappixmini-activate']));
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$purge = intval($b['jappixmini-purge']);
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$username = trim($b['jappixmini-username']);
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$old_username = get_pconfig($uid,'jappixmini','username');
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if ($username!=$old_username) $purge = 1;
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$server = trim($b['jappixmini-server']);
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$old_server = get_pconfig($uid,'jappixmini','server');
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if ($server!=$old_server) $purge = 1;
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set_pconfig($uid,'jappixmini','username',$username);
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set_pconfig($uid,'jappixmini','server',$server);
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set_pconfig($uid,'jappixmini','bosh',trim($b['jappixmini-bosh']));
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set_pconfig($uid,'jappixmini','encrypted-password',trim($b['jappixmini-encrypted-password']));
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set_pconfig($uid,'jappixmini','autosubscribe',intval($b['jappixmini-autosubscribe']));
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set_pconfig($uid,'jappixmini','autoapprove',intval($b['jappixmini-autoapprove']));
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set_pconfig($uid,'jappixmini','activate',intval($b['jappixmini-activate']));
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info( 'Jappix Mini settings saved.' );
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if (intval($b['jappixmini-purge'])) {
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$uid = local_user();
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if ($purge) {
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q("DELETE FROM `pconfig` WHERE `uid`=$uid AND `cat`='jappixmini' and `k` LIKE 'id%%'");
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info( 'List of addresses purged.' );
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}
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@ -241,6 +259,8 @@ function jappixmini_settings_post(&$a,&$b) {
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}
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function jappixmini_script(&$a,&$s) {
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// adds the script to the page header which starts Jappix Mini
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if(! local_user()) return;
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$activate = get_pconfig(local_user(),'jappixmini','activate');
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@ -251,6 +271,7 @@ function jappixmini_script(&$a,&$s) {
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$a->page['htmlhead'] .= '<script type="text/javascript" src="' . $a->get_baseurl() . '/addon/jappixmini/jappix/php/get.php?t=js&f=caps.js"></script>'."\r\n";
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$a->page['htmlhead'] .= '<script type="text/javascript" src="' . $a->get_baseurl() . '/addon/jappixmini/jappix/php/get.php?t=js&f=name.js"></script>'."\r\n";
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$a->page['htmlhead'] .= '<script type="text/javascript" src="' . $a->get_baseurl() . '/addon/jappixmini/jappix/php/get.php?t=js&f=roster.js"></script>'."\r\n";
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$a->page['htmlhead'] .= '<script type="text/javascript" src="' . $a->get_baseurl() . '/addon/jappixmini/lib.js"></script>'."\r\n";
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@ -271,18 +292,35 @@ function jappixmini_script(&$a,&$s) {
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// get a list of jabber accounts of the contacts
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$contacts = Array();
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$uid = local_user();
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$rows = q("SELECT `v` FROM `pconfig` WHERE `uid`=$uid AND `cat`='jappixmini' and `k` LIKE 'id%%'");
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$rows = q("SELECT * FROM `pconfig` WHERE `uid`=$uid AND `cat`='jappixmini' and `k` LIKE 'id%%'");
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foreach ($rows as $row) {
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$key = $row['k'];
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$pos = strpos($key, ":");
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$dfrn_id = substr($key, $pos+1);
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$r = q("SELECT `name` FROM `contact` WHERE `uid`=$uid AND `dfrn-id`='%s' OR `issued-id`='%s'",
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dbesc($dfrn_id),
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dbesc($dfrn_id)
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);
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$name = $r[0]["name"];
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$value = $row['v'];
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$pos = strpos($value, ":");
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$address = substr($value, $pos+1);
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$contacts[] = $address;
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if (!$address) continue;
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if (!$name) $name = $address;
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$contacts[$address] = $name;
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}
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$contacts_json = json_encode($contacts);
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// get nickname
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$r = q("SELECT `username` FROM `user` WHERE `uid`=$uid");
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$nickname = json_encode($r[0]["username"]);
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// add javascript to start Jappix Mini
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$a->page['htmlhead'] .= "<script type=\"text/javascript\">
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jQuery(document).ready(function() {
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jappixmini_addon_start('$server', '$username', '$bosh', '$encrypted_password');
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jappixmini_addon_start('$server', '$username', '$bosh', '$encrypted_password', $nickname);
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jappixmini_manage_roster($contacts_json, $autoapprove, $autosubscribe);
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});
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</script>";
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@ -291,7 +329,16 @@ function jappixmini_script(&$a,&$s) {
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}
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function jappixmini_login(&$a, &$o) {
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// save hash of password using setDB
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// for setDB, needed by jappixmini_addon_set_client_secret
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$a->page['htmlhead'] .= '<script type="text/javascript" src="' . $a->get_baseurl() . '/addon/jappixmini/jappix/php/get.php?t=js&f=datastore.js"></script>'."\r\n";
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// for str_sha1, needed by jappixmini_addon_set_client_secret
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$a->page['htmlhead'] .= '<script type="text/javascript" src="' . $a->get_baseurl() . '/addon/jappixmini/jappix/php/get.php?t=js&f=jsjac.js"></script>'."\r\n";
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// for jappixmini_addon_set_client_secret
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$a->page['htmlhead'] .= '<script type="text/javascript" src="' . $a->get_baseurl() . '/addon/jappixmini/lib.js"></script>'."\r\n";
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// save hash of password
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$o = str_replace("<form ", "<form onsubmit=\"jappixmini_addon_set_client_secret(this.elements['id_password'].value);return true;\" ", $o);
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}
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@ -311,10 +358,17 @@ function jappixmini_cron(&$a, $d) {
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if (!$request) continue;
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$dfrn_id = $contact_row["dfrn-id"];
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$pubkey = $contact_row["pubkey"];
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if (!$dfrn_id) {
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if ($dfrn_id) {
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$key = $contact_row["pubkey"];
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$encrypt_func = openssl_public_encrypt;
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$decrypt_func = openssl_public_decrypt;
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$role = "prv";
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} else {
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$dfrn_id = $contact_row["issued-id"];
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$prvkey = $contact_row["prvkey"];
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$key = $contact_row["prvkey"];
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$encrypt_func = openssl_private_encrypt;
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$decrypt_func = openssl_private_decrypt;
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$role = "pub";
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}
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// check if jabber address already present
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@ -334,48 +388,55 @@ function jappixmini_cron(&$a, $d) {
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$pos = strpos($request, "/dfrn_request/");
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if ($pos===false) continue;
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$base = substr($request, 0, $pos)."/jappixmini";
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$base = substr($request, 0, $pos)."/jappixmini?role=$role";
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// retrieve address
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if ($prvkey) {
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$retrieval_address = $base."?encrypt_for=".urlencode($dfrn_id);
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// construct own address
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$username = get_pconfig($uid, 'jappixmini', 'username');
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if (!$username) continue;
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$server = get_pconfig($uid, 'jappixmini', 'server');
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if (!$server) continue;
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$answer_json = fetch_url($retrieval_address);
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$address = $username."@".$server;
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// sign address
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$signed_address = "";
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$encrypt_func($address, $signed_address, $key);
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// construct request url
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$signed_address_hex = bin2hex($signed_address);
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$url = $base."&signed_address=$signed_address_hex&dfrn_id=".urlencode($dfrn_id);
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try {
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// send request
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$answer_json = fetch_url($url);
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// parse answer
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$answer = json_decode($answer_json);
|
||||
if ($answer->status != "ok") continue;
|
||||
if ($answer->status != "ok") throw new Exception();
|
||||
|
||||
$encrypted_address_hex = $answer->encrypted_address;
|
||||
if (!$encrypted_address_hex) continue;
|
||||
if (!$encrypted_address_hex) throw new Exception();
|
||||
|
||||
$encrypted_address = hex2bin($encrypted_address_hex);
|
||||
if (!$encrypted_address) throw new Exception();
|
||||
|
||||
// decrypt address
|
||||
$decrypted_address = "";
|
||||
$decrypt_func($encrypted_address, $decrypted_address, $key);
|
||||
if (!$decrypted_address) throw new Exception();
|
||||
} catch (Exception $e) {
|
||||
$decrypted_address = "";
|
||||
openssl_private_decrypt($encrypted_address, $decrypted_address, $prvkey);
|
||||
if (!$decrypted_address) continue;
|
||||
|
||||
$address = $decrypted_address;
|
||||
} else if ($pubkey) {
|
||||
$encrypted_request = "";
|
||||
openssl_public_encrypt($dfrn_id, $encrypted_request, $pubkey);
|
||||
if (!$encrypted_request) continue;
|
||||
$encrypted_request_hex = bin2hex($encrypted_request);
|
||||
|
||||
$retrieval_address = $base."?encrypted_for=".urlencode($dfrn_id)."&encrypted_request=".urlencode($encrypted_request_hex);
|
||||
|
||||
$answer_json = fetch_url($retrieval_address);
|
||||
$answer = json_decode($answer_json);
|
||||
if ($answer->status != "ok") continue;
|
||||
|
||||
$address = $answer->address;
|
||||
if (!$address) continue;
|
||||
}
|
||||
|
||||
// save address
|
||||
set_pconfig($uid, "jappixmini", "id:$dfrn_id", "$now:$address");
|
||||
set_pconfig($uid, "jappixmini", "id:$dfrn_id", "$now:$decrypted_address");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function jappixmini_download_source(&$a,&$b) {
|
||||
// Jappix Mini source download link on About page
|
||||
|
||||
$b .= '<h1>Jappix Mini</h1>';
|
||||
$b .= '<p>This site uses Jappix Mini by the <a href="'.$a->get_baseurl().'/addon/jappixmini/jappix/AUTHORS">Jappix authors</a>, which is distributed under the terms of the <a href="'.$a->get_baseurl().'/addon/jappixmini/jappix/COPYING">GNU Affero General Public License</a>.</p>';
|
||||
$b .= '<p>You can download the <a href="'.$a->get_baseurl().'/addon/jappixmini/jappix.zip">source code</a>.</p>';
|
||||
|
|
|
|||
|
|
@ -15,14 +15,23 @@ function jappixmini_addon_xor(str1, str2) {
|
|||
}
|
||||
|
||||
function jappixmini_addon_set_client_secret(password) {
|
||||
client_secret = str_sha1("client_secret:"+password);
|
||||
if (!password) return;
|
||||
|
||||
salt1 = "h8doCRekWto0njyQohKpdx6BN0UTyC6N";
|
||||
salt2 = "jdX8OwFC1kWAq3s9uOyAcE8g3UNNO5t3";
|
||||
|
||||
client_secret1 = str_sha1(salt1+password);
|
||||
client_secret2 = str_sha1(salt2+password);
|
||||
client_secret = client_secret1 + client_secret2;
|
||||
|
||||
setDB('jappix-mini', 'client_secret', client_secret);
|
||||
console.log("client secret set");
|
||||
}
|
||||
|
||||
function jappixmini_addon_get_client_secret() {
|
||||
client_secret = getDB('jappix-mini', 'client_secret');
|
||||
if (client_secret===null) {
|
||||
div = $('<div style="position:fixed;padding:1em;background-color:#F00;color:#fff;top:50px;left:50px;" id="x123">Reintroduce your Friendica password for chatting:</div>');
|
||||
div = $('<div style="position:fixed;padding:1em;background-color:#F00;color:#fff;top:50px;left:50px;">Retype your Friendica password for chatting:</div>');
|
||||
div.append($("<br>"));
|
||||
input = $('<input type="password">')
|
||||
div.append(input);
|
||||
|
|
@ -43,7 +52,7 @@ function jappixmini_addon_encrypt_password(password) {
|
|||
client_secret = jappixmini_addon_get_client_secret();
|
||||
|
||||
// add \0 to password until it has the same length as secret
|
||||
if (client_secret.length<password.length) throw "password too long";
|
||||
if (password.length>client_secret.length-1) throw "password too long";
|
||||
while (password.length<client_secret.length) {
|
||||
password += "\0";
|
||||
}
|
||||
|
|
@ -60,7 +69,7 @@ function jappixmini_addon_decrypt_password(encrypted_password) {
|
|||
|
||||
client_secret = jappixmini_addon_get_client_secret();
|
||||
|
||||
// xor encrypted password with secret
|
||||
// xor password with secret
|
||||
password = jappixmini_addon_xor(client_secret, encrypted_password);
|
||||
|
||||
// remove \0
|
||||
|
|
@ -80,12 +89,12 @@ function jappixmini_manage_roster(contacts, autoapprove, autosubscribe) {
|
|||
var xid = bareXID(from);
|
||||
|
||||
approve = true;
|
||||
if ((!autoapprove) || ($.inArray(xid, contacts) == -1))
|
||||
if ((!autoapprove) || contacts[xid]===undefined)
|
||||
approve = confirm("Accept "+xid+" for chat?");
|
||||
|
||||
if (approve) {
|
||||
acceptSubscribe(xid);
|
||||
//alert("Accepted "+xid+" for chat.");
|
||||
acceptSubscribe(xid, contacts[xid]);
|
||||
console.log("Accepted "+xid+" for chat.");
|
||||
}
|
||||
});
|
||||
|
||||
|
|
@ -94,16 +103,18 @@ function jappixmini_manage_roster(contacts, autoapprove, autosubscribe) {
|
|||
for (i=0; i<contacts.length; i++) {
|
||||
xid = contacts[i];
|
||||
sendSubscribe(xid, "subscribe");
|
||||
console.log("Subscribed to "+xid);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function jappixmini_addon_start(server, username, bosh, encrypted_password) {
|
||||
function jappixmini_addon_start(server, username, bosh, encrypted_password, nickname) {
|
||||
// check if settings have changed, reinitialize jappix mini if this is the case
|
||||
settings_identifier = str_sha1(server);
|
||||
settings_identifier += str_sha1(username);
|
||||
settings_identifier += str_sha1(bosh);
|
||||
settings_identifier += str_sha1(encrypted_password);
|
||||
settings_identifier += str_sha1(nickname);
|
||||
|
||||
saved_identifier = getDB("jappix-mini", "settings_identifier");
|
||||
if (saved_identifier != settings_identifier) removeDB('jappix-mini', 'dom');
|
||||
|
|
@ -116,5 +127,6 @@ function jappixmini_addon_start(server, username, bosh, encrypted_password) {
|
|||
password = jappixmini_addon_decrypt_password(encrypted_password);
|
||||
|
||||
// start jappix mini
|
||||
MINI_NICKNAME = nickname;
|
||||
launchMini(true, false, server, username, password);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue