pinafore/routes/settings/instances/add.html

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<:Head>
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<title>Add an Instance</title>
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</:Head>
<Layout page='settings'>
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<SettingsLayout page='settings/instances/add' label="Add an Instance">
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<h1 id="add-an-instance-h1">Add an Instance</h1>
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<LoadingMask show="{{loading}}"/>
{{#if $isUserLoggedIn}}
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<p>Connect to an instance to log in.</p>
{{else}}
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<p>Log in to an instance to start using Pinafore.</p>
{{/if}}
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<form class="add-new-instance" on:submit='onSubmit(event)' aria-labelledby="add-an-instance-h1">
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{{#if error}}
<div class="form-error" role="alert">
Error: {{error}}
</div>
{{/if}}
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<label for="instanceInput">Instance:</label>
<input class="new-instance-input" type="text" id="instanceInput"
bind:value='$instanceNameInSearch' placeholder='' required
>
<button class="primary" type="submit" id="submitButton" disabled="{{!$instanceNameInSearch}}">Add instance</button>
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</form>
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{{#if !$isUserLoggedIn}}
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<p>Don't have an instance? <a rel="noopener" target="_blank" href="https://joinmastodon.org">Join Mastodon!</a></p>
{{/if}}
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</SettingsLayout>
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</Layout>
<style>
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.form-error {
border: 2px solid red;
border-radius: 2px;
padding: 10px;
font-size: 1.3em;
margin: 5px;
background-color: var(--main-bg);
}
input.new-instance-input {
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min-width: 50%;
max-width: 100%;
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}
form.add-new-instance {
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background: var(--form-bg);
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padding: 5px 10px 15px;
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margin: 20px auto;
border: 1px solid var(--form-border);
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border-radius: 4px;
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}
form.add-new-instance label, form.add-new-instance input, form.add-new-instance button {
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display: block;
margin: 20px 5px;
}
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@media (max-width: 767px) {
input.new-instance-input {
max-width: 80%;
}
}
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</style>
<script>
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import Layout from '../../_components/Layout.html';
import SettingsLayout from '../_components/SettingsLayout.html'
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import { registerApplication, generateAuthLink, getAccessTokenFromAuthCode } from '../../_utils/mastodon/oauth'
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import { getVerifyCredentials } from '../../_utils/mastodon/user'
import { getInstanceInfo } from '../../_utils/mastodon/instance'
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import { store } from '../../_utils/store'
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import { goto } from 'sapper/runtime.js'
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import { switchToTheme } from '../../_utils/themeEngine'
import LoadingMask from '../../_components/LoadingMask'
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import { database } from '../../_utils/database/database'
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const REDIRECT_URI = (typeof location !== 'undefined' ?
location.origin : 'https://pinafore.social') + '/settings/instances/add'
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export default {
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async oncreate () {
let params = new URLSearchParams(location.search)
if (params.has('code')) {
this.onReceivedOauthCode(params.get('code'))
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}
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this.store.observe('instanceNameInSearch', () => {
this.set({error: false})
})
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},
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components: {
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Layout,
SettingsLayout,
LoadingMask
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},
store: () => store,
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methods: {
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onSubmit: async function(event) {
event.preventDefault()
this.set({loading: true})
try {
await this.redirectToOauth()
} catch (err) {
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console.error(err)
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let error = `${err.message || err.name}. ` +
(navigator.onLine ?
`Is this a valid Mastodon instance?` :
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`Are you offline?`)
this.set({error: error})
} finally {
this.set({loading: false})
}
},
redirectToOauth: async function() {
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let instanceName = this.store.get('instanceNameInSearch')
let loggedInInstances = this.store.get('loggedInInstances')
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instanceName = instanceName.replace(/^https?:\/\//, '').replace('/$', '')
if (Object.keys(loggedInInstances).includes(instanceName)) {
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this.set({error: `You've already logged in to ${instanceName}`})
return
}
let registrationPromise = registerApplication(instanceName, REDIRECT_URI)
let instanceInfo = await getInstanceInfo(instanceName)
await database.setInstanceInfo(instanceName, instanceInfo) // cache for later
let instanceData = await registrationPromise
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this.store.set({
currentRegisteredInstanceName: instanceName,
currentRegisteredInstance: instanceData
})
this.store.save()
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let oauthUrl = generateAuthLink(
instanceName,
instanceData.client_id,
REDIRECT_URI
)
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document.location.href = oauthUrl
},
onReceivedOauthCode: async function(code) {
try {
this.set({loading: true})
await this.registerNewInstance(code)
} catch (err) {
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this.set({error: `${err.message || err.name}. Failed to connect to instance.`})
} finally {
this.set({loading: false})
}
},
registerNewInstance: async function (code) {
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let currentRegisteredInstanceName = this.store.get('currentRegisteredInstanceName')
let currentRegisteredInstance = this.store.get('currentRegisteredInstance')
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let instanceData = await getAccessTokenFromAuthCode(
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currentRegisteredInstanceName,
currentRegisteredInstance.client_id,
currentRegisteredInstance.client_secret,
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code,
REDIRECT_URI
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)
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let loggedInInstances = this.store.get('loggedInInstances')
let loggedInInstancesInOrder = this.store.get('loggedInInstancesInOrder')
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let instanceThemes = this.store.get('instanceThemes')
instanceThemes[currentRegisteredInstanceName] = 'default'
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loggedInInstances[currentRegisteredInstanceName] = instanceData
if (!loggedInInstancesInOrder.includes(currentRegisteredInstanceName)) {
loggedInInstancesInOrder.push(currentRegisteredInstanceName)
}
this.store.set({
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instanceNameInSearch: '',
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currentRegisteredInstanceName: null,
currentRegisteredInstance: null,
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loggedInInstances: loggedInInstances,
currentInstance: currentRegisteredInstanceName,
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loggedInInstancesInOrder: loggedInInstancesInOrder,
instanceThemes: instanceThemes
})
this.store.save()
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switchToTheme('default')
// fire off request for account so it's cached
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getVerifyCredentials(currentRegisteredInstanceName, instanceData.access_token).then(verifyCredentials => {
database.setInstanceVerifyCredentials(currentRegisteredInstanceName, verifyCredentials)
})
goto('/')
}
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}
}
</script>