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261 lines
6.5 KiB
JavaScript
261 lines
6.5 KiB
JavaScript
'use strict';
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const React = require('react');
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const create = require('create-react-class');
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const Promise = require('bluebird');
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const urllib = require('url');
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const createApiRequester = require("../lib/api-request");
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let login = create({
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displayName: "Login",
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getInitialState: function() {
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return {
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error: null,
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formState: {
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user: "",
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pass: "",
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hs: ""
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},
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hs: {
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prompt: false,
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error: null,
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valid: false
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}
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};
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},
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login: function() {
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return Promise.try(() => {
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this.setState({error: ""});
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if (this.state.hs.valid) {
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return this.doLogin();
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}
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let parts = this.state.formState.user.split(':');
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if (parts.length != 2) {
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return this.setState({error: "Please enter a full mxid, like username:homeserver.tld"});
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}
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let hostname = urllib.parse("https://" + parts[1]);
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return Promise.try(() => {
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return getApiServer(hostname);
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}).then((homeserverUrl) => {
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console.log("Using API server", homeserverUrl);
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this.setState({
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apiUrl: homeserverUrl,
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apiRequest: createApiRequester(homeserverUrl),
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formState: Object.assign(this.state.formState, {
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user: parts[0],
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hs: homeserverUrl
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}),
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hs: Object.assign(this.state.hs, {
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valid: true
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})
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});
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return this.doLogin();
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}).catch((error) => {
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/* FIXME: Error filtering */
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console.log("ERROR fetching homeserver url", error);
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this.setState({
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hs: Object.assign(this.state.hs, {
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error: error,
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valid: false,
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prompt: true
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})
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});
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});
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});
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},
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doLogin: function() {
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return Promise.try(() => {
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console.log("Logging in");
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let user = this.state.formState.user.replace('@', '');
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let password = this.state.formState.pass;
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let homeserverUrl = this.state.apiUrl;
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return Promise.try(() => {
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return this.state.apiRequest("/_matrix/client/r0/login", {
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user: user,
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password: password,
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type: "m.login.password",
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initial_device_display_name: "Neo v4",
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});
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}).then((responseJson) => {
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console.log("got access token", responseJson);
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this.setState({ json: responseJson });
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if(responseJson.access_token != undefined) {
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this.props.callback(responseJson.user_id, responseJson.access_token, homeserverUrl);
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} else {
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this.setState({ error: responseJson.error });
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}
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}).catch((error) => {
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/* FIXME: Why are errors being swallowed here? */
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console.error(error);
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});
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});
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},
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handleUserChange: function(e) {
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let formState = this.state.formState;
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let user = e.target.value;
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formState.user = e.target.value;
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let parts = user.split(':');
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if (parts.length == 2) {
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formState.hs = parts[1];
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let hsState = Object.assign(this.state.hs, {error: null, valid: false});
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this.setState({hs: hsState});
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}
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this.setState({formState: formState});
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},
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handlePassChange: function(e) {
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let formState = this.state.formState;
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formState.pass = e.target.value;
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this.setState({formState: formState});
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},
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handleHomeserverChange: function(e) {
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let formState = this.state.formState;
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formState.hs = e.target.value;
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this.setState({formState: formState});
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this.setState({hs: {error: null, valid: false, prompt: true, changed: true}});
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},
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render: function() {
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let hsState = "inactive";
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if (this.state.hs.prompt) {
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hsState = "active";
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}
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if (this.state.hs.error != null) {
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hsState = "error";
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}
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if (this.state.hs.valid) {
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hsState = "validated";
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}
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return (
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<div className="loginwrapper">
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<img src="./neo.png"/>
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<div className="errorMessage">{this.state.error}</div>
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<div className="login">
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<label htmlFor="user">Username: </label>
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<input type="text" id="user" placeholder="@user:homeserver.tld" value={this.state.formState["user"]} onChange={this.handleUserChange}/>
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<label htmlFor="pass">Password: </label>
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<input type="password" id="pass" placeholder="password" value={this.state.formState["pass"]} onChange={this.handlePassChange}/>
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<label htmlFor="hs" className={hsState}>Homeserver: </label>
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{this.state.hs.prompt ? (
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<>
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<input type="text" id="hs" value={this.state.formState["hs"]} onChange={this.handleHomeserverChange}/>
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</>
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) : (
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<span id="hs">{this.state.formState["hs"]}</span>
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)}
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<button onClick={()=>this.login()}>Log in</button>
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</div>
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</div>
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);
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}
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});
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function getApiServer(parsedUrl) {
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return Promise.try(() => {
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console.log("Checking for api server from mxid", urllib.format(parsedUrl));
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return checkApi(parsedUrl);
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}).then(() => {
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// Hostname is a valid api server
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return buildUrl(parsedUrl, "");
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}).catch(() => {
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/* FIXME: Error filtering */
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console.log("trying .well-known");
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return Promise.try(() => {
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return tryWellKnown(parsedUrl);
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}).then((hostname) => {
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console.log("got .well-known host", hostname);
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return hostname;
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}).catch((_err) => {
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/* FIXME: Error chaining */
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throw new Error("Fatal error trying to get API host");
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});
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});
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}
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function checkApi(host) {
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return Promise.try(() => {
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let versionUrl = buildUrl(host, "/_matrix/client/versions");
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return Promise.try(() => {
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return fetch(versionUrl);
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}).then((response) => {
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if (response.status != 200) {
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console.log("Invalid homeserver url", versionUrl);
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/* FIXME: Error types */
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throw new Error("Invalid homeserver URL");
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}
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});
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});
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}
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function tryWellKnown(host) {
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let wellKnownUrl = urllib.format(Object.assign(host, {
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pathname: "/.well-known/matrix/client"
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}));
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console.log("Trying", wellKnownUrl, "for .well-known");
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return Promise.try(() => {
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return fetch(wellKnownUrl);
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}).tap((response) => {
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if (response.status != 200) {
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console.log("no well-known in use");
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/* FIXME: Error type */
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throw new Error("No homeserver found");
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}
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}).catch((_error) => {
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/* FIXME: Error chaining */
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throw new Error("can't fetch .well-known");
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}).then((response) => {
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return response.json();
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}).then((json) => {
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console.log("Parsed json", json);
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if (json['m.homeserver'] != null && json['m.homeserver'].base_url != null) {
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return json['m.homeserver'].base_url;
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} else {
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/* FIXME: Error type */
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throw new Error("No homeserver specified in .well-known");
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}
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}).catch((err) => {
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/* FIXME: Error filtering? */
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console.log("Error in json", err);
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/* FIXME: Error chaining */
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throw new Error("Error while parsing .well-known");
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});
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}
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function buildUrl(parsedUrl, path) {
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return urllib.format(Object.assign(parsedUrl, {
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pathname: path
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}));
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}
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module.exports = login;
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