Refactor homeserver lookup code #12
1 changed files with 47 additions and 31 deletions
|
@ -77,40 +77,16 @@ class Form extends ElemJS {
|
||||||
if (!username.isValid()) return this.cancel("Username is not valid.")
|
if (!username.isValid()) return this.cancel("Username is not valid.")
|
||||||
|
|
||||||
// Resolve homeserver address
|
// Resolve homeserver address
|
||||||
let currentAddress = homeserver.value
|
let domain
|
||||||
let ok = false
|
|
||||||
while (!ok) {
|
|
||||||
if (!currentAddress.match(/^https?:\/\//)) {
|
|
||||||
console.warn(`${currentAddress} doesn't specify the protocol, assuming https`)
|
|
||||||
currentAddress = "https://" + currentAddress
|
|
||||||
}
|
|
||||||
currentAddress = currentAddress.replace(/\/*$/, "")
|
|
||||||
this.status(`Looking up homeserver... trying ${currentAddress}`)
|
|
||||||
try {
|
try {
|
||||||
// check if we found the actual matrix server
|
domain = await this.findHomeserver(homeserver.value)
|
||||||
try {
|
} catch(e) {
|
||||||
const versions = await fetch(`${currentAddress}/_matrix/client/versions`).then(res => res.json())
|
return this.cancel(e.message)
|
||||||
if (Array.isArray(versions.versions)) {
|
|
||||||
ok = true
|
|
||||||
break
|
|
||||||
}
|
|
||||||
} catch (e) {}
|
|
||||||
// find the next matrix server in the chain
|
|
||||||
const root = await fetch(`${currentAddress}/.well-known/matrix/client`).then(res => res.json())
|
|
||||||
let nextAddress = root["m.homeserver"].base_url
|
|
||||||
nextAddress = nextAddress.replace(/\/*$/, "")
|
|
||||||
if (currentAddress === nextAddress) {
|
|
||||||
ok = true
|
|
||||||
}
|
|
||||||
currentAddress = nextAddress
|
|
||||||
} catch (e) {
|
|
||||||
return this.cancel(`Failed to look up server ${currentAddress}`)
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
// Request access token
|
// Request access token
|
||||||
this.status("Logging in...")
|
this.status("Logging in...")
|
||||||
const root = await fetch(`${currentAddress}/_matrix/client/r0/login`, {
|
const root = await fetch(`${domain}/_matrix/client/r0/login`, {
|
||||||
method: "POST",
|
method: "POST",
|
||||||
body: JSON.stringify({
|
body: JSON.stringify({
|
||||||
type: "m.login.password",
|
type: "m.login.password",
|
||||||
|
@ -130,12 +106,52 @@ class Form extends ElemJS {
|
||||||
}
|
}
|
||||||
|
|
||||||
localStorage.setItem("mx_user_id", root.user_id)
|
localStorage.setItem("mx_user_id", root.user_id)
|
||||||
localStorage.setItem("domain", currentAddress)
|
localStorage.setItem("domain", domain)
|
||||||
localStorage.setItem("access_token", root.access_token)
|
localStorage.setItem("access_token", root.access_token)
|
||||||
|
|
||||||
location.assign("../")
|
location.assign("../")
|
||||||
}
|
}
|
||||||
|
|
||||||
|
async findHomeserver(address, maxDepth = 5) {
|
||||||
|
|
||||||
|
//Protects from servers sending us on a redirect loop
|
||||||
|
maxDepth--
|
||||||
|
if (maxDepth <= 0) throw new Error(`Failed to look up homeserver, maximum search depth reached`)
|
||||||
|
|
||||||
|
//Normalise the address
|
||||||
|
if (!address.match(/^https?:\/\//)) {
|
||||||
|
console.warn(`${address} doesn't specify the protocol, assuming https`)
|
||||||
|
address = "https://" + address
|
||||||
|
}
|
||||||
|
address = address.replace(/\/*$/, "")
|
||||||
|
|
||||||
|
this.status(`Looking up homeserver... trying ${address}`)
|
||||||
|
|
||||||
|
// Check if we found the actual matrix server
|
||||||
|
try {
|
||||||
|
const versionsReq = await fetch(`${address}/_matrix/client/versions`)
|
||||||
|
if (versionsReq.ok) {
|
||||||
|
const versions = await versionsReq.json()
|
||||||
|
if (Array.isArray(versions.versions)) return address
|
||||||
|
}
|
||||||
|
} catch(e) {}
|
||||||
|
|
||||||
|
// Find the next matrix server in the chain
|
||||||
|
const root = await fetch(`${address}/.well-known/matrix/client`).then(res => res.json()).catch(e => {
|
||||||
|
console.error(e)
|
||||||
|
throw new Error(`Failed to look up server ${address}`)
|
||||||
|
})
|
||||||
|
|
||||||
|
let nextAddress = root["m.homeserver"].base_url
|
||||||
|
nextAddress = nextAddress.replace(/\/*$/, "")
|
||||||
|
|
||||||
|
if (address === nextAddress) {
|
||||||
|
throw new Error(`Failed to look up server ${address}, /.well-known/matrix/client found a redirect loop`);
|
||||||
|
}
|
||||||
|
|
||||||
|
return this.findHomeserver(nextAddress, maxDepth)
|
||||||
|
}
|
||||||
|
|
||||||
status(message) {
|
status(message) {
|
||||||
feedback.setLoading(true)
|
feedback.setLoading(true)
|
||||||
feedback.message(message)
|
feedback.message(message)
|
||||||
|
|
Loading…
Reference in a new issue