Jon Staab
88 lines
2.1 KiB
TypeScript
88 lines
2.1 KiB
TypeScript
import {last, normalizeUrl, stripProtocol} from "@welshman/lib"
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// Constants and types
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export enum RelayMode {
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Read = "read",
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Write = "write",
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Inbox = "inbox",
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}
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export type RelayProfile = {
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url: string
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icon?: string
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banner?: string
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name?: string
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self?: string
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pubkey?: string
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contact?: string
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software?: string
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version?: string
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negentropy?: number
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description?: string
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supported_nips?: number[]
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privacy_policy?: string
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terms_of_service?: string
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limitation?: {
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min_pow_difficulty?: number
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payment_required?: boolean
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auth_required?: boolean
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}
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}
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// Utils related to bare urls
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export const isRelayUrl = (url: string) => {
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if (!url.includes("://")) {
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url = "wss://" + url
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}
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// Skip non-ws urls
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if (!url.match(/^wss?:\/\//)) return false
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// Skip urls with a slash before the dot
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if (url.match(/\\.*\./)) return false
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// Skip non-localhost urls without a dot
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if (!url.match(/\./) && !url.includes("localhost")) return false
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try {
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new URL(url)
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} catch (e) {
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return false
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}
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return true
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}
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export const isOnionUrl = (url: string) => Boolean(stripProtocol(url).match(/^[a-z2-7]{56}.onion/))
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export const isLocalUrl = (url: string) =>
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Boolean(url.match(/\.local(:[\d]+)?\/?$/) || stripProtocol(url).match(/^localhost:/))
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export const isIPAddress = (url: string) => Boolean(url.match(/\d+\.\d+\.\d+\.\d+/))
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export const isShareableRelayUrl = (url: string) => Boolean(isRelayUrl(url) && !isLocalUrl(url))
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export const normalizeRelayUrl = (url: string) => {
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const prefix = url.match(/^wss?:\/\//)?.[0] || (isOnionUrl(url) ? "ws://" : "wss://")
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// Use our library to normalize
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url = normalizeUrl(url, {stripHash: true, stripAuthentication: false})
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// Strip the protocol, lowercase
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url = stripProtocol(url).toLowerCase()
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// Urls without pathnames are supposed to have a trailing slash
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if (!url.includes("/")) {
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url += "/"
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}
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return prefix + url
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}
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export const displayRelayUrl = (url: string) => last(url.split("://")).replace(/\/$/, "")
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export const displayRelayProfile = (profile?: RelayProfile, fallback = "") =>
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profile?.name || fallback
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