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frontend/src/helpers/checkAndSetApiUrl.ts

117 lines
2.8 KiB
TypeScript

import {useConfigStore} from '@/stores/config'
const API_DEFAULT_PORT = '3456'
export const ERROR_NO_API_URL = 'noApiUrlProvided'
export class NoApiUrlProvidedError extends Error {
constructor() {
super()
this.message = 'No API URL provided'
this.name = 'NoApiUrlProvidedError'
}
}
export class InvalidApiUrlProvidedError extends Error {
constructor() {
super()
this.message = 'The provided API URL is invalid.'
this.name = 'InvalidApiUrlProvidedError'
}
}
export const checkAndSetApiUrl = (url: string | undefined | null): Promise<string> => {
if (url === '' || url === null || typeof url === 'undefined') {
throw new NoApiUrlProvidedError()
}
if (url.startsWith('/')) {
url = window.location.host + url
}
// Check if the url has a http prefix
if (
!url.startsWith('http://') &&
!url.startsWith('https://')
) {
url = `${window.location.protocol}//${url}`
}
let urlToCheck: URL
try {
urlToCheck = new URL(url)
} catch (e) {
throw new InvalidApiUrlProvidedError()
}
const origUrlToCheck = urlToCheck
const oldUrl = window.API_URL
window.API_URL = urlToCheck.toString()
const configStore = useConfigStore()
const updateConfig = () => configStore.update()
// Check if the api is reachable at the provided url
return updateConfig()
.catch(e => {
// Check if it is reachable at /api/v1 and http
if (
!urlToCheck.pathname.endsWith('/api/v1') &&
!urlToCheck.pathname.endsWith('/api/v1/')
) {
urlToCheck.pathname = `${urlToCheck.pathname}api/v1`
window.API_URL = urlToCheck.toString()
return updateConfig()
}
throw e
})
.catch(e => {
// Check if it is reachable at /api/v1 and https
urlToCheck.pathname = origUrlToCheck.pathname
if (
!urlToCheck.pathname.endsWith('/api/v1') &&
!urlToCheck.pathname.endsWith('/api/v1/')
) {
urlToCheck.pathname = `${urlToCheck.pathname}api/v1`
window.API_URL = urlToCheck.toString()
return updateConfig()
}
throw e
})
.catch(e => {
// Check if it is reachable at port API_DEFAULT_PORT and https
if (urlToCheck.port !== API_DEFAULT_PORT) {
urlToCheck.port = API_DEFAULT_PORT
window.API_URL = urlToCheck.toString()
return updateConfig()
}
throw e
})
.catch(e => {
// Check if it is reachable at :API_DEFAULT_PORT and /api/v1
urlToCheck.pathname = origUrlToCheck.pathname
if (
!urlToCheck.pathname.endsWith('/api/v1') &&
!urlToCheck.pathname.endsWith('/api/v1/')
) {
urlToCheck.pathname = `${urlToCheck.pathname}api/v1`
window.API_URL = urlToCheck.toString()
return updateConfig()
}
throw e
})
.catch(e => {
window.API_URL = oldUrl
throw e
})
.then(success => {
if (success) {
localStorage.setItem('API_URL', window.API_URL)
return window.API_URL
}
throw new InvalidApiUrlProvidedError()
})
}