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drop errors.php and simplify error handling

This commit is contained in:
Andrew Dolgov 2021-02-23 22:26:07 +03:00
parent 37d46411c7
commit 8d2e3c2528
19 changed files with 94 additions and 200 deletions
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8
api/index.php
View File

@ -34,9 +34,11 @@
if (!\Sessions\validate_session()) {
header("Content-Type: text/json");
print json_encode(array("seq" => -1,
"status" => 1,
"content" => array("error" => "NOT_LOGGED_IN")));
print json_encode([
"seq" => -1,
"status" => API::STATUS_ERR,
"content" => [ "error" => API::E_NOT_LOGGED_IN ]
]);
return;
}

12
backend.php
View File

@ -45,7 +45,7 @@
if (!empty($_SESSION["uid"])) {
if (!\Sessions\validate_session()) {
header("Content-Type: text/json");
print error_json(6);
print Errors::to_json(Errors::E_UNAUTHORIZED);
return;
}
UserHelper::load_user_plugins($_SESSION["uid"]);
@ -106,7 +106,7 @@
if (strpos($method, "_") === 0) {
user_error("Refusing to invoke method $method of handler $op which starts with underscore.", E_USER_WARNING);
header("Content-Type: text/json");
print error_json(6);
print Errors::to_json(Errors::E_UNAUTHORIZED);
return;
}
@ -130,7 +130,7 @@
} else {
user_error("Refusing to invoke method $method of handler $op which has required parameters.", E_USER_WARNING);
header("Content-Type: text/json");
print error_json(6);
print Errors::to_json(Errors::E_UNAUTHORIZED);
}
} else {
if (method_exists($handler, "catchall")) {
@ -141,19 +141,19 @@
return;
} else {
header("Content-Type: text/json");
print error_json(6);
print Errors::to_json(Errors::E_UNAUTHORIZED);
return;
}
} else {
user_error("Refusing to invoke method $method of handler $op with invalid CSRF token.", E_USER_WARNING);
header("Content-Type: text/json");
print error_json(6);
print Errors::to_json(Errors::E_UNAUTHORIZED);
return;
}
}
}
header("Content-Type: text/json");
print error_json(13);
print Errors::to_json(Errors::E_UNKNOWN_METHOD);
?>

39
classes/api.php
View File

@ -6,6 +6,13 @@ class API extends Handler {
const STATUS_OK = 0;
const STATUS_ERR = 1;
const E_API_DISABLED = "API_DISABLED";
const E_NOT_LOGGED_IN = "NOT_LOGGED_IN";
const E_LOGIN_ERROR = "LOGIN_ERROR";
const E_INCORRECT_USAGE = "INCORRECT_USAGE";
const E_UNKNOWN_METHOD = "UNKNOWN_METHOD";
const E_OPERATION_FAILED = "E_OPERATION_FAILED";
private $seq;
private static function _param_to_bool($p) {
@ -13,9 +20,11 @@ class API extends Handler {
}
private function _wrap($status, $reply) {
print json_encode(array("seq" => $this->seq,
"status" => $status,
"content" => $reply));
print json_encode([
"seq" => $this->seq,
"status" => $status,
"content" => $reply
]);
}
function before($method) {
@ -23,12 +32,12 @@ class API extends Handler {
header("Content-Type: text/json");
if (empty($_SESSION["uid"]) && $method != "login" && $method != "isloggedin") {
$this->_wrap(self::STATUS_ERR, array("error" => 'NOT_LOGGED_IN'));
$this->_wrap(self::STATUS_ERR, array("error" => self::E_NOT_LOGGED_IN));
return false;
}
if (!empty($_SESSION["uid"]) && $method != "logout" && !get_pref('ENABLE_API_ACCESS')) {
$this->_wrap(self::STATUS_ERR, array("error" => 'API_DISABLED'));
$this->_wrap(self::STATUS_ERR, array("error" => self::E_API_DISABLED));
return false;
}
@ -69,13 +78,13 @@ class API extends Handler {
"api_level" => self::API_LEVEL));
} else { // else we are not logged in
user_error("Failed login attempt for $login from " . UserHelper::get_user_ip(), E_USER_WARNING);
$this->_wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
$this->_wrap(self::STATUS_ERR, array("error" => self::E_LOGIN_ERROR));
}
} else {
$this->_wrap(self::STATUS_ERR, array("error" => "API_DISABLED"));
$this->_wrap(self::STATUS_ERR, array("error" => self::E_API_DISABLED));
}
} else {
$this->_wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
$this->_wrap(self::STATUS_ERR, array("error" => self::E_LOGIN_ERROR));
return;
}
}
@ -221,7 +230,7 @@ class API extends Handler {
$this->_wrap(self::STATUS_OK, $headlines);
}
} else {
$this->_wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
$this->_wrap(self::STATUS_ERR, array("error" => self::E_INCORRECT_USAGE));
}
}
@ -281,7 +290,7 @@ class API extends Handler {
"updated" => $num_updated));
} else {
$this->_wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
$this->_wrap(self::STATUS_ERR, array("error" => self::E_INCORRECT_USAGE));
}
}
@ -356,7 +365,7 @@ class API extends Handler {
$this->_wrap(self::STATUS_OK, $articles);
} else {
$this->_wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
$this->_wrap(self::STATUS_ERR, array("error" => self::E_INCORRECT_USAGE));
}
}
@ -481,7 +490,7 @@ class API extends Handler {
$this->_wrap($reply[0], $reply[1]);
} else {
$this->_wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD', "method" => $method));
$this->_wrap(self::STATUS_ERR, array("error" => self::E_UNKNOWN_METHOD, "method" => $method));
}
}
@ -493,7 +502,7 @@ class API extends Handler {
if (Article::_create_published_article($title, $url, $content, "", $_SESSION["uid"])) {
$this->_wrap(self::STATUS_OK, array("status" => 'OK'));
} else {
$this->_wrap(self::STATUS_ERR, array("error" => 'Publishing failed'));
$this->_wrap(self::STATUS_ERR, array("error" => self::E_OPERATION_FAILED));
}
}
@ -816,7 +825,7 @@ class API extends Handler {
Pref_Feeds::remove_feed($feed_id, $_SESSION["uid"]);
$this->_wrap(self::STATUS_OK, array("status" => "OK"));
} else {
$this->_wrap(self::STATUS_ERR, array("error" => "FEED_NOT_FOUND"));
$this->_wrap(self::STATUS_ERR, array("error" => self::E_OPERATION_FAILED));
}
}
@ -831,7 +840,7 @@ class API extends Handler {
$this->_wrap(self::STATUS_OK, array("status" => $rc));
} else {
$this->_wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
$this->_wrap(self::STATUS_ERR, array("error" => self::E_INCORRECT_USAGE));
}
}

10
classes/feeds.php
View File

@ -499,15 +499,7 @@ class Feeds extends Handler_Protected {
// this is parsed by handleRpcJson() on first viewfeed() to set cdm expanded, etc
$reply['runtime-info'] = RPC::make_runtime_info();
$reply_json = json_encode($reply);
if (!$reply_json) {
$reply_json = json_encode(["error" => ["code" => 15,
"message" => json_last_error_msg()]]);
}
print $reply_json;
print json_encode($reply);
}
private function _generate_dashboard_feed() {

14
classes/handler/public.php
View File

@ -240,7 +240,7 @@ class Handler_Public extends Handler {
} else {
header("Content-Type: text/plain; charset=utf-8");
print json_encode(array("error" => array("message" => "Unknown format")));
print "Unknown format: $format.";
}
}
@ -290,7 +290,7 @@ class Handler_Public extends Handler {
header("Location: index.php");
} else {
header("Content-Type: text/json");
print error_json(6);
print Errors::to_json(Errors::E_UNAUTHORIZED);
}
}
@ -408,7 +408,7 @@ class Handler_Public extends Handler {
function index() {
header("Content-Type: text/plain");
print error_json(13);
print Errors::to_json(Errors::E_UNKNOWN_METHOD);
}
function forgotpass() {
@ -659,7 +659,7 @@ class Handler_Public extends Handler {
<div class="content">
<?php
@$op = clean($_REQUEST["subop"]);
@$op = clean($_REQUEST["subop"] ?? "");
$updater = new DbUpdater(Db::pdo(), Config::get(Config::DB_TYPE), SCHEMA_VERSION);
if ($op == "performupdate") {
@ -802,17 +802,17 @@ class Handler_Public extends Handler {
} else {
user_error("PluginHandler[PUBLIC]: Requested private method '$method' of plugin '$plugin_name'.", E_USER_WARNING);
header("Content-Type: text/json");
print error_json(6);
print Errors::to_json(Errors::E_UNAUTHORIZED);
}
} else {
user_error("PluginHandler[PUBLIC]: Requested unknown method '$method' of plugin '$plugin_name'.", E_USER_WARNING);
header("Content-Type: text/json");
print error_json(13);
print Errors::to_json(Errors::E_UNKNOWN_METHOD);
}
} else {
user_error("PluginHandler[PUBLIC]: Requested method '$method' of unknown plugin '$plugin_name'.", E_USER_WARNING);
header("Content-Type: text/json");
print error_json(14);
print Errors::to_json(Errors::E_UNKNOWN_PLUGIN);
}
}

6
classes/pluginhandler.php
View File

@ -15,15 +15,15 @@ class PluginHandler extends Handler_Protected {
$plugin->$method();
} else {
user_error("Rejected ${plugin_name}->${method}(): invalid CSRF token.", E_USER_WARNING);
print error_json(6);
print Errors::to_json(Errors::E_UNAUTHORIZED);
}
} else {
user_error("Rejected ${plugin_name}->${method}(): unknown method.", E_USER_WARNING);
print error_json(13);
print Errors::to_json(Errors::E_UNKNOWN_METHOD);
}
} else {
user_error("Rejected ${plugin_name}->${method}(): unknown plugin.", E_USER_WARNING);
print error_json(14);
print Errors::to_json(Errors::E_UNKNOWN_PLUGIN);
}
}
}

2
classes/pref/feeds.php
View File

@ -561,8 +561,6 @@ class Pref_Feeds extends Handler_Protected {
"all" => $this::get_ts_languages(),
]
]);
} else {
print json_encode(["error" => "FEED_NOT_FOUND"]);
}
}

2
classes/pref/labels.php
View File

@ -16,8 +16,6 @@ class Pref_Labels extends Handler_Protected {
if ($line = $sth->fetch(PDO::FETCH_ASSOC)) {
print json_encode($line);
} else {
print json_encode(["error" => "LABEL_NOT_FOUND"]);
}
}

2
classes/pref/prefs.php
View File

@ -1063,7 +1063,7 @@ class Pref_Prefs extends Handler_Protected {
}
} else {
header("Content-Type: text/json");
print error_json(6);
print Errors::to_json(Errors::E_UNAUTHORIZED);
}
}

2
classes/pref/users.php
View File

@ -19,8 +19,6 @@ class Pref_Users extends Handler_Administrative {
"user" => $row,
"access_level_names" => $access_level_names
]);
} else {
print json_encode(["error" => "USER_NOT_FOUND"]);
}
}

23
classes/rpc.php
View File

@ -118,16 +118,22 @@ class RPC extends Handler_Protected {
$_SESSION["hasSandbox"] = clean($_REQUEST["hasSandbox"]) === "true";
$_SESSION["clientTzOffset"] = clean($_REQUEST["clientTzOffset"]);
$reply = array();
$error = Errors::E_SUCCESS;
$reply['error'] = sanity_check();
if ($reply['error']['code'] == 0) {
$reply['init-params'] = $this->make_init_params();
$reply['runtime-info'] = $this->make_runtime_info();
if (get_schema_version(true) != SCHEMA_VERSION) {
$error = Errors::E_SCHEMA_MISMATCH;
}
print json_encode($reply);
if ($error == Errors::E_SUCCESS) {
$reply = [];
$reply['init-params'] = $this->make_init_params();
$reply['runtime-info'] = $this->make_runtime_info();
print json_encode($reply);
} else {
print Errors::to_json($error);
}
}
/*function completeLabels() {
@ -315,10 +321,7 @@ class RPC extends Handler_Protected {
$msg, 'client-js:' . $file, $line, $context);
echo json_encode(array("message" => "HOST_ERROR_LOGGED"));
} else {
echo json_encode(array("error" => "MESSAGE_NOT_FOUND"));
}
}
function checkforupdates() {

60
errors.php
View File

@ -1,60 +0,0 @@
<?php
set_include_path(__DIR__ ."/include" . PATH_SEPARATOR .
get_include_path());
require_once "functions.php";
function get_error_types() {
$ERRORS[0] = "";
$ERRORS[1] = __("This program requires XmlHttpRequest " .
"to function properly. Your browser doesn't seem to support it.");
$ERRORS[2] = __("This program requires cookies " .
"to function properly. Your browser doesn't seem to support them.");
$ERRORS[3] = __("Backend sanity check failed.");
$ERRORS[4] = __("Frontend sanity check failed.");
$ERRORS[5] = __("Incorrect database schema version. &lt;a href='db-updater.php'&gt;Please update&lt;/a&gt;.");
$ERRORS[6] = __("Request not authorized.");
$ERRORS[7] = __("No operation to perform.");
$ERRORS[8] = __("Could not display feed: query failed. Please check label match syntax or local configuration.");
$ERRORS[8] = __("Denied. Your access level is insufficient to access this page.");
$ERRORS[9] = __("Configuration check failed");
$ERRORS[10] = __("Your version of MySQL is not currently supported. Please see official site for more information.");
$ERRORS[11] = "[This error is not returned by server]";
$ERRORS[12] = __("SQL escaping test failed, check your database and PHP configuration");
$ERRORS[13] = __("Method not found");
$ERRORS[14] = __("Plugin not found");
$ERRORS[15] = __("Encoding data as JSON failed");
return $ERRORS;
}
if ($_REQUEST['mode'] ?? "" == 'js') {
header("Content-Type: text/javascript; charset=UTF-8");
print "var ERRORS = [];\n";
foreach (get_error_types() as $id => $error) {
$error = preg_replace("/\n/", "", $error);
$error = preg_replace("/\"/", "\\\"", $error);
print "ERRORS[$id] = \"$error\";\n";
}
}
?>

28
include/functions.php
View File

@ -323,20 +323,6 @@
}
}
function sanity_check() {
require_once 'errors.php';
$ERRORS = get_error_types();
$error_code = 0;
$schema_version = get_schema_version(true);
if ($schema_version != SCHEMA_VERSION) {
$error_code = 5;
}
return array("code" => $error_code, "message" => $ERRORS[$error_code]);
}
function file_is_locked($filename) {
if (file_exists(Config::get(Config::LOCK_DIRECTORY) . "/$filename")) {
if (function_exists('flock')) {
@ -533,20 +519,6 @@
return file_exists("themes/$theme") || file_exists("themes.local/$theme");
}
/**
* @SuppressWarnings(unused)
*/
function error_json($code) {
require_once "errors.php";
$ERRORS = get_error_types();
@$message = $ERRORS[$code];
return json_encode(array("error" =>
array("code" => $code, "message" => $message)));
}
function arr_qmarks($arr) {
return str_repeat('?,', count($arr) - 1) . '?';
}

5
include/login_form.php
View File

@ -6,11 +6,10 @@
<link rel="shortcut icon" type="image/png" href="images/favicon.png">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<?php
foreach (array("lib/dojo/dojo.js",
foreach (["lib/dojo/dojo.js",
"lib/dojo/tt-rss-layer.js",
"js/common.js",
"js/utility.js",
"errors.php?mode=js") as $jsfile) {
"js/utility.js"] as $jsfile) {
echo javascript_tag($jsfile);

5
index.php
View File

@ -69,11 +69,10 @@
</script>
<?php
foreach (array("lib/dojo/dojo.js",
foreach (["lib/dojo/dojo.js",
"lib/dojo/tt-rss-layer.js",
"js/tt-rss.js",
"js/common.js",
"errors.php?mode=js") as $jsfile) {
"js/common.js"] as $jsfile) {
echo javascript_tag($jsfile);

60
js/App.js
View File

@ -407,23 +407,15 @@ const App = {
const counters = reply['counters'];
const runtime_info = reply['runtime-info'];
if (error) {
const code = error['code'];
if (code && code != 0) {
const msg = error['message'];
console.warn("[handleRpcJson] received fatal error ", code, msg);
/* global ERRORS */
this.Error.fatal(ERRORS[code], {info: msg, code: code});
return false;
}
if (error && error.code && error.code != App.Error.E_SUCCESS) {
console.warn("handleRpcJson: fatal error", error);
this.Error.fatal(error.code);
return false;
}
if (seq && this.get_seq() != seq) {
console.warn("[handleRpcJson] sequence mismatch: ", seq, '!=', this.get_seq());
return;
console.warn("handleRpcJson: sequence mismatch: ", seq, '!=', this.get_seq());
return false;
}
// not in preferences
@ -442,10 +434,13 @@ const App = {
if (netalert) netalert.hide();
return true;
} else {
if (netalert) netalert.show();
Notify.error("Communication problem with server.");
return false;
}
},
parseRuntimeInfo: function(data) {
@ -487,20 +482,6 @@ const App = {
PluginHost.run(PluginHost.HOOK_RUNTIME_INFO_LOADED, data);
},
backendSanityCallback: function(reply) {
if (!reply) {
this.Error.fatal(ERRORS[3]);
return;
}
if (reply['error']) {
const code = reply['error']['code'];
if (code && code != 0) {
return this.Error.fatal(ERRORS[code],
{code: code, info: reply['error']['message']});
}
}
console.log("sanity check ok");
const params = reply['init-params'];
@ -547,24 +528,25 @@ const App = {
this.initSecondStage();
},
Error: {
E_SUCCESS: "E_SUCCESS",
E_UNAUTHORIZED: "E_UNAUTHORIZED",
E_SCHEMA_MISMATCH: "E_SCHEMA_MISMATCH",
fatal: function (error, params = {}) {
if (params.code) {
if (params.code == 6) {
window.location.href = "index.php";
return;
} else if (params.code == 5) {
window.location.href = "public.php?op=dbupdate";
return;
}
}
if (error == App.Error.E_UNAUTHORIZED) {
window.location.href = "index.php";
return;
} else if (error == App.Error.E_SCHEMA_MISMATCH) {
window.location.href = "public.php?op=dbupdate";
return;
}
return this.report(error,
return this.report(__("Fatal error: %s").replace("%s", error),
{...{title: __("Fatal error")}, ...params});
},
report: function(error, params = {}) {
if (!error) return;
console.error("[Error.report]", error, params);
console.error("error.report:", error, params);
const message = params.message ? params.message : error.toString();

5
js/common.js
View File

@ -179,7 +179,10 @@ const xhr = {
console.log('xhr.json', '<<<', obj);
if (obj && typeof App != "undefined")
App.handleRpcJson(obj);
if (!App.handleRpcJson(obj)) {
reject(obj);
return;
}
if (complete != undefined) complete(obj);

5
prefs.php
View File

@ -51,11 +51,10 @@
</script>
<?php
foreach (array("lib/dojo/dojo.js",
foreach (["lib/dojo/dojo.js",
"lib/dojo/tt-rss-layer.js",
"js/common.js",
"js/prefs.js",
"errors.php?mode=js") as $jsfile) {
"js/prefs.js"] as $jsfile) {
echo javascript_tag($jsfile);

6
public.php
View File

@ -37,7 +37,7 @@
if (strpos($method, "_") === 0) {
user_error("Refusing to invoke method $method which starts with underscore.", E_USER_WARNING);
header("Content-Type: text/json");
print error_json(6);
print Errors::to_json(Errors::E_UNAUTHORIZED);
return;
}
@ -50,7 +50,7 @@
} else {
user_error("Refusing to invoke method $method which has required parameters.", E_USER_WARNING);
header("Content-Type: text/json");
print error_json(6);
print Errors::to_json(Errors::E_UNAUTHORIZED);
}
} else if (method_exists($handler, 'index')) {
$handler->index();
@ -60,5 +60,5 @@
}
header("Content-Type: text/plain");
print error_json(13);
print Errors::to_json(Errors::E_UNKNOWN_METHOD);
?>