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Merge pull request #10193 from vector-im/travis/syntax-error

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Display a red box of anger for config syntax errors
This commit is contained in:
Travis Ralston 2019-06-27 14:09:47 -06:00 committed by GitHub
commit 975f177a23
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3 changed files with 61 additions and 20 deletions
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5
src/i18n/strings/en_EN.json
View File

@ -1,6 +1,9 @@
{
"Unexpected error preparing the app. See console for details.": "Unexpected error preparing the app. See console for details.",
"Your Riot configuration contains invalid JSON. Please correct the problem and reload the page.": "Your Riot configuration contains invalid JSON. Please correct the problem and reload the page.",
"The message from the parser is: %(message)s": "The message from the parser is: %(message)s",
"Invalid JSON": "Invalid JSON",
"Your Riot is misconfigured": "Your Riot is misconfigured",
"Unexpected error preparing the app. See console for details.": "Unexpected error preparing the app. See console for details.",
"Invalid configuration: can only specify one of default_server_config, default_server_name, or default_hs_url.": "Invalid configuration: can only specify one of default_server_config, default_server_name, or default_hs_url.",
"Invalid configuration: no default server specified.": "Invalid configuration: no default server specified.",
"Riot Desktop on %(platformName)s": "Riot Desktop on %(platformName)s",

42
src/vector/getconfig.js
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@ -39,28 +39,32 @@ function getConfig(configJsonFilename) {
request(
{ method: "GET", url: configJsonFilename },
(err, response, body) => {
if (err || response.status < 200 || response.status >= 300) {
// Lack of a config isn't an error, we should
// just use the defaults.
// Also treat a blank config as no config, assuming
// the status code is 0, because we don't get 404s
// from file: URIs so this is the only way we can
// not fail if the file doesn't exist when loading
// from a file:// URI.
if (response) {
if (response.status == 404 || (response.status == 0 && body == '')) {
resolve({});
try {
if (err || response.status < 200 || response.status >= 300) {
// Lack of a config isn't an error, we should
// just use the defaults.
// Also treat a blank config as no config, assuming
// the status code is 0, because we don't get 404s
// from file: URIs so this is the only way we can
// not fail if the file doesn't exist when loading
// from a file:// URI.
if (response) {
if (response.status == 404 || (response.status == 0 && body == '')) {
resolve({});
}
}
reject({err: err, response: response});
return;
}
reject({err: err, response: response});
return;
}
// We parse the JSON ourselves rather than use the JSON
// parameter, since this throws a parse error on empty
// which breaks if there's no config.json and we're
// loading from the filesystem (see above).
resolve(JSON.parse(body));
// We parse the JSON ourselves rather than use the JSON
// parameter, since this throws a parse error on empty
// which breaks if there's no config.json and we're
// loading from the filesystem (see above).
resolve(JSON.parse(body));
} catch (e) {
reject({err: e});
}
},
);
});

34
src/vector/index.js
View File

@ -222,10 +222,17 @@ async function loadApp() {
let configJson;
let configError;
let configSyntaxError = false;
try {
configJson = await platform.getConfig();
} catch (e) {
configError = e;
if (e && e.err && e.err instanceof SyntaxError) {
console.error("SyntaxError loading config:", e);
configSyntaxError = true;
configJson = {}; // to prevent errors between here and loading CSS for the error box
}
}
// XXX: We call this twice, once here and once in MatrixChat as a prop. We call it here to ensure
@ -295,6 +302,33 @@ async function loadApp() {
}
}
// Now that we've loaded the theme (CSS), display the config syntax error if needed.
if (configSyntaxError) {
const errorMessage = (
<div>
<p>
{_t(
"Your Riot configuration contains invalid JSON. Please correct the problem " +
"and reload the page.",
)}
</p>
<p>
{_t(
"The message from the parser is: %(message)s",
{message: configError.err.message || _t("Invalid JSON")},
)}
</p>
</div>
);
const GenericErrorPage = sdk.getComponent("structures.GenericErrorPage");
window.matrixChat = ReactDOM.render(
<GenericErrorPage message={errorMessage} title={_t("Your Riot is misconfigured")} />,
document.getElementById('matrixchat'),
);
return;
}
const validBrowser = checkBrowserFeatures([
"displaytable", "flexbox", "es5object", "es5function", "localstorage",
"objectfit", "indexeddb", "webworkers",