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import { Component, Input, OnInit } from '@angular/core'
import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
import { USER_EMAIL_VALIDATOR } from '../form-validators/user-validators'
@Component({
selector: 'my-remote-subscribe',
templateUrl: './remote-subscribe.component.html',
styleUrls: ['./remote-subscribe.component.scss']
})
export class RemoteSubscribeComponent extends FormReactive implements OnInit {
@Input() uri: string
@Input() interact = false
@Input() showHelp = false
constructor (
protected formValidatorService: FormValidatorService
) {
super()
}
ngOnInit () {
this.buildForm({
text: USER_EMAIL_VALIDATOR
})
}
onValidKey () {
this.check()
if (!this.form.valid) return
this.formValidated()
}
formValidated () {
const address = this.form.value['text']
const [ username, hostname ] = address.split('@')
// Should not have CORS error because https://tools.ietf.org/html/rfc7033#section-5
fetch(`https://${hostname}/.well-known/webfinger?resource=acct:${username}@${hostname}`)
.then(response => response.json())
.then(data => new Promise((resolve, reject) => {
if (data && Array.isArray(data.links)) {
const link: { template: string } = data.links.find((link: any) => {
return link && typeof link.template === 'string' && link.rel === 'http://ostatus.org/schema/1.0/subscribe'
})
if (link && link.template.includes('{uri}')) {
resolve(link.template.replace('{uri}', encodeURIComponent(this.uri)))
}
}
reject()
}))
.then(window.open)
.catch(err => console.error(err))
}
}
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