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Convert throwHumanError to custom error type

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Now with 200% more helpful stack traces.

// FREEBIE
This commit is contained in:
lilia 2015-07-10 11:28:47 -07:00
parent e86c40d3a8
commit 3711e0a6cd
6 changed files with 111 additions and 128 deletions
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108
libtextsecure/api.js
View file

@ -53,6 +53,7 @@ TextSecureServer = function () {
* jsonData: JSON data sent in the request body
*/
function ajax(url, options) {
var error = new Error(); // just in case, save stack here.
var xhr = new XMLHttpRequest();
xhr.open(options.type, url, true /*async*/);
@ -78,21 +79,27 @@ TextSecureServer = function () {
if ( 0 <= xhr.status && xhr.status < 400) {
options.success(result, xhr.status);
} else {
options.error(result, xhr.status);
options.error(HTTPError(xhr.status, result, error.stack));
}
};
xhr.onerror = function() {
options.error(null, xhr.status);
options.error(HTTPError(xhr.status, null, error.stack));
};
xhr.send( options.data || null );
}
function throwHumanError (error, type, humanError) {
var e = new Error(error);
if (type !== undefined)
e.name = type;
e.humanError = humanError;
throw e;
function HTTPError(code, response, stack) {
if (code > 999 || code < 100) {
code = -1;
}
var e = new Error(message);
e.name = 'HTTPError';
e.code = code;
e.stack = stack;
if (response) {
e.response = response;
}
return e;
}
var doAjax = function (param) {
@ -114,46 +121,41 @@ TextSecureServer = function () {
user : param.user,
password : param.password,
success : resolve,
error : function(result, code) {
error : function(e) {
var code = e.code;
if (code === 200) {
// happens sometimes when we get no response
// (TODO: Fix server to return 204? instead)
resolve(null);
return;
}
if (code > 999 || code < 100)
code = -1;
try {
switch (code) {
case -1:
throwHumanError(code, "HTTPError",
"Failed to connect to the server, please check your network connection.");
case 413:
throwHumanError(code, "HTTPError",
"Rate limit exceeded, please try again later.");
case 403:
throwHumanError(code, "HTTPError",
"Invalid code, please try again.");
case 417:
// TODO: This shouldn't be a thing?, but its in the API doc?
throwHumanError(code, "HTTPError",
"Number already registered.");
case 401:
throwHumanError(code, "HTTPError",
"Invalid authentication, most likely someone re-registered and invalidated our registration.");
case 404:
throwHumanError(code, "HTTPError",
"Number is not registered with TextSecure.");
default:
throwHumanError(code, "HTTPError",
"The server rejected our query, please file a bug report.");
}
} catch (e) {
if (result) {
e.response = result;
}
reject(e);
var message;
switch (code) {
case -1:
message = "Failed to connect to the server, please check your network connection.";
break;
case 413:
message = "Rate limit exceeded, please try again later.";
break;
case 403:
message = "Invalid code, please try again.";
break;
case 417:
// TODO: This shouldn't be a thing?, but its in the API doc?
message = "Number already registered.";
break;
case 401:
case 403:
message = "Invalid authentication, most likely someone re-registered and invalidated our registration.";
break;
case 404:
message = "Number is not registered with TextSecure.";
break;
default:
message = "The server rejected our query, please file a bug report.";
}
e.message = message
reject(e);
}
});
});
@ -299,16 +301,10 @@ TextSecureServer = function () {
contentType: "application/octet-stream",
success : resolve,
error : function(result, code) {
if (code > 999 || code < 100)
code = -1;
var e = new Error(code);
e.name = "HTTPError";
if (result)
e.response = result;
reject(e);
}
error : function(e) {
e.message = 'Failed to download attachment';
reject(e);
}
});
});
});
@ -337,14 +333,8 @@ TextSecureServer = function () {
reject(e);
}
},
error : function(result, code) {
if (code > 999 || code < 100)
code = -1;
var e = new Error(code);
e.name = "HTTPError";
if (result)
e.response = result;
error : function(e) {
e.message = 'Failed to upload attachment';
reject(e);
}
});