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Factor out common login code (#2307)

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Removes the duplication between the various points where we send off a login
request and parse the response.
This commit is contained in:
Richard van der Hoff 2018-12-05 17:39:38 +01:00 • committed by GitHub
parent a3382eb655
commit c553323d5a
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2 changed files with 42 additions and 78 deletions
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99
src/Login.js
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@ -1,6 +1,7 @@
/*
Copyright 2015, 2016 OpenMarket Ltd
Copyright 2017 Vector Creations Ltd
Copyright 2018 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@ -17,7 +18,6 @@ limitations under the License.
import Matrix from "matrix-js-sdk";
import Promise from 'bluebird';
import url from 'url';
export default class Login {
@ -141,60 +141,20 @@ export default class Login {
};
Object.assign(loginParams, legacyParams);
const client = this._createTemporaryClient();
const tryFallbackHs = (originalError) => {
const fbClient = Matrix.createClient({
baseUrl: self._fallbackHsUrl,
idBaseUrl: this._isUrl,
});
return fbClient.login('m.login.password', loginParams).then(function(data) {
return Promise.resolve({
homeserverUrl: self._fallbackHsUrl,
identityServerUrl: self._isUrl,
userId: data.user_id,
deviceId: data.device_id,
accessToken: data.access_token,
});
}).catch((fallback_error) => {
return sendLoginRequest(
self._fallbackHsUrl, this._isUrl, 'm.login.password', loginParams,
).catch((fallback_error) => {
console.log("fallback HS login failed", fallback_error);
// throw the original error
throw originalError;
});
};
const tryLowercaseUsername = (originalError) => {
const loginParamsLowercase = Object.assign({}, loginParams, {
user: username.toLowerCase(),
identifier: {
user: username.toLowerCase(),
},
});
return client.login('m.login.password', loginParamsLowercase).then(function(data) {
return Promise.resolve({
homeserverUrl: self._hsUrl,
identityServerUrl: self._isUrl,
userId: data.user_id,
deviceId: data.device_id,
accessToken: data.access_token,
});
}).catch((fallback_error) => {
console.log("Lowercase username login failed", fallback_error);
// throw the original error
throw originalError;
});
};
let originalLoginError = null;
return client.login('m.login.password', loginParams).then(function(data) {
return Promise.resolve({
homeserverUrl: self._hsUrl,
identityServerUrl: self._isUrl,
userId: data.user_id,
deviceId: data.device_id,
accessToken: data.access_token,
});
}).catch((error) => {
return sendLoginRequest(
self._hsUrl, self._isUrl, 'm.login.password', loginParams,
).catch((error) => {
originalLoginError = error;
if (error.httpStatus === 403) {
if (self._fallbackHsUrl) {
@ -202,22 +162,6 @@ export default class Login {
}
}
throw originalLoginError;
}).catch((error) => {
// We apparently squash case at login serverside these days:
// https://github.com/matrix-org/synapse/blob/1189be43a2479f5adf034613e8d10e3f4f452eb9/synapse/handlers/auth.py#L475
// so this wasn't needed after all. Keeping the code around in case the
// the situation changes...
/*
if (
error.httpStatus === 403 &&
loginParams.identifier.type === 'm.id.user' &&
username.search(/[A-Z]/) > -1
) {
return tryLowercaseUsername(originalLoginError);
}
*/
throw originalLoginError;
}).catch((error) => {
console.log("Login failed", error);
throw error;
@ -239,3 +183,32 @@ export default class Login {
return client.getSsoLoginUrl(url.format(parsedUrl), loginType);
}
}
/**
* Send a login request to the given server, and format the response
* as a MatrixClientCreds
*
* @param {string} hsUrl the base url of the Homeserver used to log in.
* @param {string} isUrl the base url of the default identity server
* @param {string} loginType the type of login to do
* @param {object} loginParams the parameters for the login
*
* @returns {MatrixClientCreds}
*/
export async function sendLoginRequest(hsUrl, isUrl, loginType, loginParams) {
const client = Matrix.createClient({
baseUrl: hsUrl,
idBaseUrl: isUrl,
});
const data = await client.login(loginType, loginParams);
return {
homeserverUrl: hsUrl,
identityServerUrl: isUrl,
userId: data.user_id,
deviceId: data.device_id,
accessToken: data.access_token,
};
}