mox/webaccount/api.ts

// NOTE: GENERATED by github.com/mjl-/sherpats, DO NOT MODIFY

namespace api {

export interface Account {
	OutgoingWebhook?: OutgoingWebhook | null
	IncomingWebhook?: IncomingWebhook | null
	FromIDLoginAddresses?: string[] | null
	KeepRetiredMessagePeriod: number
	KeepRetiredWebhookPeriod: number
	Domain: string
	Description: string
	FullName: string
	Destinations?: { [key: string]: Destination }
	SubjectPass: SubjectPass
	QuotaMessageSize: number
	RejectsMailbox: string
	KeepRejects: boolean
	AutomaticJunkFlags: AutomaticJunkFlags
	JunkFilter?: JunkFilter | null  // todo: sane defaults for junkfilter
	MaxOutgoingMessagesPerDay: number
	MaxFirstTimeRecipientsPerDay: number
	NoFirstTimeSenderDelay: boolean
	Routes?: Route[] | null
	DNSDomain: Domain  // Parsed form of Domain.
	Aliases?: AddressAlias[] | null
}

export interface OutgoingWebhook {
	URL: string
	Authorization: string
	Events?: string[] | null
}

export interface IncomingWebhook {
	URL: string
	Authorization: string
}

export interface Destination {
	Mailbox: string
	Rulesets?: Ruleset[] | null
	FullName: string
}

export interface Ruleset {
	SMTPMailFromRegexp: string
	MsgFromRegexp: string
	VerifiedDomain: string
	HeadersRegexp?: { [key: string]: string }
	IsForward: boolean  // todo: once we implement ARC, we can use dkim domains that we cannot verify but that the arc-verified forwarding mail server was able to verify.
	ListAllowDomain: string
	AcceptRejectsToMailbox: string
	Mailbox: string
	Comment: string
	VerifiedDNSDomain: Domain
	ListAllowDNSDomain: Domain
}

// Domain is a domain name, with one or more labels, with at least an ASCII
// representation, and for IDNA non-ASCII domains a unicode representation.
// The ASCII string must be used for DNS lookups. The strings do not have a
// trailing dot. When using with StrictResolver, add the trailing dot.
export interface Domain {
	ASCII: string  // A non-unicode domain, e.g. with A-labels (xn--...) or NR-LDH (non-reserved letters/digits/hyphens) labels. Always in lower case. No trailing dot.
	Unicode: string  // Name as U-labels, in Unicode NFC. Empty if this is an ASCII-only domain. No trailing dot.
}

export interface SubjectPass {
	Period: number  // todo: have a reasonable default for this?
}

export interface AutomaticJunkFlags {
	Enabled: boolean
	JunkMailboxRegexp: string
	NeutralMailboxRegexp: string
	NotJunkMailboxRegexp: string
}

export interface JunkFilter {
	Threshold: number
	Onegrams: boolean
	Twograms: boolean
	Threegrams: boolean
	MaxPower: number
	TopWords: number
	IgnoreWords: number
	RareWords: number
}

export interface Route {
	FromDomain?: string[] | null
	ToDomain?: string[] | null
	MinimumAttempts: number
	Transport: string
	FromDomainASCII?: string[] | null
	ToDomainASCII?: string[] | null
}

export interface AddressAlias {
	SubscriptionAddress: string
	Alias: Alias  // Without members.
	MemberAddresses?: string[] | null  // Only if allowed to see.
}

export interface Alias {
	Addresses?: string[] | null
	PostPublic: boolean
	ListMembers: boolean
	AllowMsgFrom: boolean
	LocalpartStr: string  // In encoded form.
	Domain: Domain
	ParsedAddresses?: AliasAddress[] | null  // Matches addresses.
}

export interface AliasAddress {
	Address: Address  // Parsed address.
	AccountName: string  // Looked up.
	Destination: Destination  // Belonging to address.
}

// Address is a parsed email address.
export interface Address {
	Localpart: Localpart
	Domain: Domain  // todo: shouldn't we accept an ip address here too? and merge this type into smtp.Path.
}

// Suppression is an address to which messages will not be delivered. Attempts to
// deliver or queue will result in an immediate permanent failure to deliver.
export interface Suppression {
	ID: number
	Created: Date
	Account: string  // Suppression applies to this account only.
	BaseAddress: string  // Unicode. Address with fictional simplified localpart: lowercase, dots removed (gmail), first token before any "-" or "+" (typical catchall separator).
	OriginalAddress: string  // Unicode. Address that caused this suppression.
	Manual: boolean
	Reason: string
}

// ImportProgress is returned after uploading a file to import.
export interface ImportProgress {
	Token: string  // For fetching progress, or cancelling an import.
}

// Outgoing is the payload sent to webhook URLs for events about outgoing deliveries.
export interface Outgoing {
	Version: number  // Format of hook, currently 0.
	Event: OutgoingEvent  // Type of outgoing delivery event.
	DSN: boolean  // If this event was triggered by a delivery status notification message (DSN).
	Suppressing: boolean  // If true, this failure caused the address to be added to the suppression list.
	QueueMsgID: number  // ID of message in queue.
	FromID: string  // As used in MAIL FROM, can be empty, for incoming messages.
	MessageID: string  // From Message-Id header, as set by submitter or us, with enclosing <>.
	Subject: string  // Of original message.
	WebhookQueued: Date  // When webhook was first queued for delivery.
	SMTPCode: number  // Optional, for errors only, e.g. 451, 550. See package smtp for definitions.
	SMTPEnhancedCode: string  // Optional, for errors only, e.g. 5.1.1.
	Error: string  // Error message while delivering, or from DSN from remote, if any.
	Extra?: { [key: string]: string }  // Extra fields set for message during submit, through webapi call or through X-Mox-Extra-* headers during SMTP submission.
}

// Incoming is the data sent to a webhook for incoming deliveries over SMTP.
export interface Incoming {
	Version: number  // Format of hook, currently 0.
	From?: NameAddress[] | null  // Message "From" header, typically has one address.
	To?: NameAddress[] | null
	CC?: NameAddress[] | null
	BCC?: NameAddress[] | null  // Often empty, even if you were a BCC recipient.
	ReplyTo?: NameAddress[] | null  // Optional Reply-To header, typically absent or with one address.
	Subject: string
	MessageID: string  // Of Message-Id header, typically of the form "<random@hostname>", includes <>.
	InReplyTo: string  // Optional, the message-id this message is a reply to. Includes <>.
	References?: string[] | null  // Optional, zero or more message-ids this message is a reply/forward/related to. The last entry is the most recent/immediate message this is a reply to. Earlier entries are the parents in a thread. Values include <>.
	Date?: Date | null  // Time in "Date" message header, can be different from time received.
	Text: string  // Contents of text/plain and/or text/html part (if any), with "\n" line-endings, converted from "\r\n". Values are truncated to 1MB (1024*1024 bytes). Use webapi MessagePartGet to retrieve the full part data.
	HTML: string
	Structure: Structure  // Parsed form of MIME message.
	Meta: IncomingMeta  // Details about message in storage, and SMTP transaction details.
}

export interface NameAddress {
	Name: string  // Optional, human-readable "display name" of the addressee.
	Address: string  // Required, email address.
}

export interface Structure {
	ContentType: string  // Lower case, e.g. text/plain.
	ContentTypeParams?: { [key: string]: string }  // Lower case keys, original case values, e.g. {"charset": "UTF-8"}.
	ContentID: string  // Can be empty. Otherwise, should be a value wrapped in <>'s. For use in HTML, referenced as URI `cid:...`.
	DecodedSize: number  // Size of content after decoding content-transfer-encoding. For text and HTML parts, this can be larger than the data returned since this size includes \r\n line endings.
	Parts?: Structure[] | null  // Subparts of a multipart message, possibly recursive.
}

export interface IncomingMeta {
	MsgID: number  // ID of message in storage, and to use in webapi calls like MessageGet.
	MailFrom: string  // Address used during SMTP "MAIL FROM" command.
	MailFromValidated: boolean  // Whether SMTP MAIL FROM address was SPF-validated.
	MsgFromValidated: boolean  // Whether address in message "From"-header was DMARC(-like) validated.
	RcptTo: string  // SMTP RCPT TO address used in SMTP.
	DKIMVerifiedDomains?: string[] | null  // Verified domains from DKIM-signature in message. Can be different domain than used in addresses.
	RemoteIP: string  // Where the message was delivered from.
	Received: Date  // When message was received, may be different from the Date header.
	MailboxName: string  // Mailbox where message was delivered to, based on configured rules. Defaults to "Inbox".
	Automated: boolean  // Whether this message was automated and should not receive automated replies. E.g. out of office or mailing list messages.
}

// TLSPublicKey is a public key for use with TLS client authentication based on the
// public key of the certificate.
export interface TLSPublicKey {
	Fingerprint: string  // Raw-url-base64-encoded Subject Public Key Info of certificate.
	Created: Date
	Type: string  // E.g. "rsa-2048", "ecdsa-p256", "ed25519"
	Name: string  // Descriptive name to identify the key, e.g. the device where key is used.
	NoIMAPPreauth: boolean  // If set, new immediate authenticated TLS connections are not moved to "authenticated" state. For clients that don't understand it, and will try an authenticate command anyway.
	CertDER?: string | null
	Account: string  // Key authenticates this account.
	LoginAddress: string  // Must belong to account.
}

export type CSRFToken = string

// Localpart is a decoded local part of an email address, before the "@".
// For quoted strings, values do not hold the double quote or escaping backslashes.
// An empty string can be a valid localpart.
// Localparts are in Unicode NFC.
export type Localpart = string

// OutgoingEvent is an activity for an outgoing delivery. Either generated by the
// queue, or through an incoming DSN (delivery status notification) message.
export enum OutgoingEvent {
	// Message was accepted by a next-hop server. This does not necessarily mean the
	// message has been delivered in the mailbox of the user.
	EventDelivered = "delivered",
	// Outbound delivery was suppressed because the recipient address is on the
	// suppression list of the account, or a simplified/base variant of the address is.
	EventSuppressed = "suppressed",
	EventDelayed = "delayed",  // A delivery attempt failed but delivery will be retried again later.
	// Delivery of the message failed and will not be tried again. Also see the
	// "Suppressing" field of [Outgoing].
	EventFailed = "failed",
	// Message was relayed into a system that does not generate DSNs. Should only
	// happen when explicitly requested.
	EventRelayed = "relayed",
	// Message was accepted and is being delivered to multiple recipients (e.g. the
	// address was an alias/list), which may generate more DSNs.
	EventExpanded = "expanded",
	EventCanceled = "canceled",  // Message was removed from the queue, e.g. canceled by admin/user.
	// An incoming message was received that was either a DSN with an unknown event
	// type ("action"), or an incoming non-DSN-message was received for the unique
	// per-outgoing-message address used for sending.
	EventUnrecognized = "unrecognized",
}

export const structTypes: {[typename: string]: boolean} = {"Account":true,"Address":true,"AddressAlias":true,"Alias":true,"AliasAddress":true,"AutomaticJunkFlags":true,"Destination":true,"Domain":true,"ImportProgress":true,"Incoming":true,"IncomingMeta":true,"IncomingWebhook":true,"JunkFilter":true,"NameAddress":true,"Outgoing":true,"OutgoingWebhook":true,"Route":true,"Ruleset":true,"Structure":true,"SubjectPass":true,"Suppression":true,"TLSPublicKey":true}
export const stringsTypes: {[typename: string]: boolean} = {"CSRFToken":true,"Localpart":true,"OutgoingEvent":true}
export const intsTypes: {[typename: string]: boolean} = {}
export const types: TypenameMap = {
	"Account": {"Name":"Account","Docs":"","Fields":[{"Name":"OutgoingWebhook","Docs":"","Typewords":["nullable","OutgoingWebhook"]},{"Name":"IncomingWebhook","Docs":"","Typewords":["nullable","IncomingWebhook"]},{"Name":"FromIDLoginAddresses","Docs":"","Typewords":["[]","string"]},{"Name":"KeepRetiredMessagePeriod","Docs":"","Typewords":["int64"]},{"Name":"KeepRetiredWebhookPeriod","Docs":"","Typewords":["int64"]},{"Name":"Domain","Docs":"","Typewords":["string"]},{"Name":"Description","Docs":"","Typewords":["string"]},{"Name":"FullName","Docs":"","Typewords":["string"]},{"Name":"Destinations","Docs":"","Typewords":["{}","Destination"]},{"Name":"SubjectPass","Docs":"","Typewords":["SubjectPass"]},{"Name":"QuotaMessageSize","Docs":"","Typewords":["int64"]},{"Name":"RejectsMailbox","Docs":"","Typewords":["string"]},{"Name":"KeepRejects","Docs":"","Typewords":["bool"]},{"Name":"AutomaticJunkFlags","Docs":"","Typewords":["AutomaticJunkFlags"]},{"Name":"JunkFilter","Docs":"","Typewords":["nullable","JunkFilter"]},{"Name":"MaxOutgoingMessagesPerDay","Docs":"","Typewords":["int32"]},{"Name":"MaxFirstTimeRecipientsPerDay","Docs":"","Typewords":["int32"]},{"Name":"NoFirstTimeSenderDelay","Docs":"","Typewords":["bool"]},{"Name":"Routes","Docs":"","Typewords":["[]","Route"]},{"Name":"DNSDomain","Docs":"","Typewords":["Domain"]},{"Name":"Aliases","Docs":"","Typewords":["[]","AddressAlias"]}]},
	"OutgoingWebhook": {"Name":"OutgoingWebhook","Docs":"","Fields":[{"Name":"URL","Docs":"","Typewords":["string"]},{"Name":"Authorization","Docs":"","Typewords":["string"]},{"Name":"Events","Docs":"","Typewords":["[]","string"]}]},
	"IncomingWebhook": {"Name":"IncomingWebhook","Docs":"","Fields":[{"Name":"URL","Docs":"","Typewords":["string"]},{"Name":"Authorization","Docs":"","Typewords":["string"]}]},
	"Destination": {"Name":"Destination","Docs":"","Fields":[{"Name":"Mailbox","Docs":"","Typewords":["string"]},{"Name":"Rulesets","Docs":"","Typewords":["[]","Ruleset"]},{"Name":"FullName","Docs":"","Typewords":["string"]}]},
	"Ruleset": {"Name":"Ruleset","Docs":"","Fields":[{"Name":"SMTPMailFromRegexp","Docs":"","Typewords":["string"]},{"Name":"MsgFromRegexp","Docs":"","Typewords":["string"]},{"Name":"VerifiedDomain","Docs":"","Typewords":["string"]},{"Name":"HeadersRegexp","Docs":"","Typewords":["{}","string"]},{"Name":"IsForward","Docs":"","Typewords":["bool"]},{"Name":"ListAllowDomain","Docs":"","Typewords":["string"]},{"Name":"AcceptRejectsToMailbox","Docs":"","Typewords":["string"]},{"Name":"Mailbox","Docs":"","Typewords":["string"]},{"Name":"Comment","Docs":"","Typewords":["string"]},{"Name":"VerifiedDNSDomain","Docs":"","Typewords":["Domain"]},{"Name":"ListAllowDNSDomain","Docs":"","Typewords":["Domain"]}]},
	"Domain": {"Name":"Domain","Docs":"","Fields":[{"Name":"ASCII","Docs":"","Typewords":["string"]},{"Name":"Unicode","Docs":"","Typewords":["string"]}]},
	"SubjectPass": {"Name":"SubjectPass","Docs":"","Fields":[{"Name":"Period","Docs":"","Typewords":["int64"]}]},
	"AutomaticJunkFlags": {"Name":"AutomaticJunkFlags","Docs":"","Fields":[{"Name":"Enabled","Docs":"","Typewords":["bool"]},{"Name":"JunkMailboxRegexp","Docs":"","Typewords":["string"]},{"Name":"NeutralMailboxRegexp","Docs":"","Typewords":["string"]},{"Name":"NotJunkMailboxRegexp","Docs":"","Typewords":["string"]}]},
	"JunkFilter": {"Name":"JunkFilter","Docs":"","Fields":[{"Name":"Threshold","Docs":"","Typewords":["float64"]},{"Name":"Onegrams","Docs":"","Typewords":["bool"]},{"Name":"Twograms","Docs":"","Typewords":["bool"]},{"Name":"Threegrams","Docs":"","Typewords":["bool"]},{"Name":"MaxPower","Docs":"","Typewords":["float64"]},{"Name":"TopWords","Docs":"","Typewords":["int32"]},{"Name":"IgnoreWords","Docs":"","Typewords":["float64"]},{"Name":"RareWords","Docs":"","Typewords":["int32"]}]},
	"Route": {"Name":"Route","Docs":"","Fields":[{"Name":"FromDomain","Docs":"","Typewords":["[]","string"]},{"Name":"ToDomain","Docs":"","Typewords":["[]","string"]},{"Name":"MinimumAttempts","Docs":"","Typewords":["int32"]},{"Name":"Transport","Docs":"","Typewords":["string"]},{"Name":"FromDomainASCII","Docs":"","Typewords":["[]","string"]},{"Name":"ToDomainASCII","Docs":"","Typewords":["[]","string"]}]},
	"AddressAlias": {"Name":"AddressAlias","Docs":"","Fields":[{"Name":"SubscriptionAddress","Docs":"","Typewords":["string"]},{"Name":"Alias","Docs":"","Typewords":["Alias"]},{"Name":"MemberAddresses","Docs":"","Typewords":["[]","string"]}]},
	"Alias": {"Name":"Alias","Docs":"","Fields":[{"Name":"Addresses","Docs":"","Typewords":["[]","string"]},{"Name":"PostPublic","Docs":"","Typewords":["bool"]},{"Name":"ListMembers","Docs":"","Typewords":["bool"]},{"Name":"AllowMsgFrom","Docs":"","Typewords":["bool"]},{"Name":"LocalpartStr","Docs":"","Typewords":["string"]},{"Name":"Domain","Docs":"","Typewords":["Domain"]},{"Name":"ParsedAddresses","Docs":"","Typewords":["[]","AliasAddress"]}]},
	"AliasAddress": {"Name":"AliasAddress","Docs":"","Fields":[{"Name":"Address","Docs":"","Typewords":["Address"]},{"Name":"AccountName","Docs":"","Typewords":["string"]},{"Name":"Destination","Docs":"","Typewords":["Destination"]}]},
	"Address": {"Name":"Address","Docs":"","Fields":[{"Name":"Localpart","Docs":"","Typewords":["Localpart"]},{"Name":"Domain","Docs":"","Typewords":["Domain"]}]},
	"Suppression": {"Name":"Suppression","Docs":"","Fields":[{"Name":"ID","Docs":"","Typewords":["int64"]},{"Name":"Created","Docs":"","Typewords":["timestamp"]},{"Name":"Account","Docs":"","Typewords":["string"]},{"Name":"BaseAddress","Docs":"","Typewords":["string"]},{"Name":"OriginalAddress","Docs":"","Typewords":["string"]},{"Name":"Manual","Docs":"","Typewords":["bool"]},{"Name":"Reason","Docs":"","Typewords":["string"]}]},
	"ImportProgress": {"Name":"ImportProgress","Docs":"","Fields":[{"Name":"Token","Docs":"","Typewords":["string"]}]},
	"Outgoing": {"Name":"Outgoing","Docs":"","Fields":[{"Name":"Version","Docs":"","Typewords":["int32"]},{"Name":"Event","Docs":"","Typewords":["OutgoingEvent"]},{"Name":"DSN","Docs":"","Typewords":["bool"]},{"Name":"Suppressing","Docs":"","Typewords":["bool"]},{"Name":"QueueMsgID","Docs":"","Typewords":["int64"]},{"Name":"FromID","Docs":"","Typewords":["string"]},{"Name":"MessageID","Docs":"","Typewords":["string"]},{"Name":"Subject","Docs":"","Typewords":["string"]},{"Name":"WebhookQueued","Docs":"","Typewords":["timestamp"]},{"Name":"SMTPCode","Docs":"","Typewords":["int32"]},{"Name":"SMTPEnhancedCode","Docs":"","Typewords":["string"]},{"Name":"Error","Docs":"","Typewords":["string"]},{"Name":"Extra","Docs":"","Typewords":["{}","string"]}]},
	"Incoming": {"Name":"Incoming","Docs":"","Fields":[{"Name":"Version","Docs":"","Typewords":["int32"]},{"Name":"From","Docs":"","Typewords":["[]","NameAddress"]},{"Name":"To","Docs":"","Typewords":["[]","NameAddress"]},{"Name":"CC","Docs":"","Typewords":["[]","NameAddress"]},{"Name":"BCC","Docs":"","Typewords":["[]","NameAddress"]},{"Name":"ReplyTo","Docs":"","Typewords":["[]","NameAddress"]},{"Name":"Subject","Docs":"","Typewords":["string"]},{"Name":"MessageID","Docs":"","Typewords":["string"]},{"Name":"InReplyTo","Docs":"","Typewords":["string"]},{"Name":"References","Docs":"","Typewords":["[]","string"]},{"Name":"Date","Docs":"","Typewords":["nullable","timestamp"]},{"Name":"Text","Docs":"","Typewords":["string"]},{"Name":"HTML","Docs":"","Typewords":["string"]},{"Name":"Structure","Docs":"","Typewords":["Structure"]},{"Name":"Meta","Docs":"","Typewords":["IncomingMeta"]}]},
	"NameAddress": {"Name":"NameAddress","Docs":"","Fields":[{"Name":"Name","Docs":"","Typewords":["string"]},{"Name":"Address","Docs":"","Typewords":["string"]}]},
	"Structure": {"Name":"Structure","Docs":"","Fields":[{"Name":"ContentType","Docs":"","Typewords":["string"]},{"Name":"ContentTypeParams","Docs":"","Typewords":["{}","string"]},{"Name":"ContentID","Docs":"","Typewords":["string"]},{"Name":"DecodedSize","Docs":"","Typewords":["int64"]},{"Name":"Parts","Docs":"","Typewords":["[]","Structure"]}]},
	"IncomingMeta": {"Name":"IncomingMeta","Docs":"","Fields":[{"Name":"MsgID","Docs":"","Typewords":["int64"]},{"Name":"MailFrom","Docs":"","Typewords":["string"]},{"Name":"MailFromValidated","Docs":"","Typewords":["bool"]},{"Name":"MsgFromValidated","Docs":"","Typewords":["bool"]},{"Name":"RcptTo","Docs":"","Typewords":["string"]},{"Name":"DKIMVerifiedDomains","Docs":"","Typewords":["[]","string"]},{"Name":"RemoteIP","Docs":"","Typewords":["string"]},{"Name":"Received","Docs":"","Typewords":["timestamp"]},{"Name":"MailboxName","Docs":"","Typewords":["string"]},{"Name":"Automated","Docs":"","Typewords":["bool"]}]},
	"TLSPublicKey": {"Name":"TLSPublicKey","Docs":"","Fields":[{"Name":"Fingerprint","Docs":"","Typewords":["string"]},{"Name":"Created","Docs":"","Typewords":["timestamp"]},{"Name":"Type","Docs":"","Typewords":["string"]},{"Name":"Name","Docs":"","Typewords":["string"]},{"Name":"NoIMAPPreauth","Docs":"","Typewords":["bool"]},{"Name":"CertDER","Docs":"","Typewords":["nullable","string"]},{"Name":"Account","Docs":"","Typewords":["string"]},{"Name":"LoginAddress","Docs":"","Typewords":["string"]}]},
	"CSRFToken": {"Name":"CSRFToken","Docs":"","Values":null},
	"Localpart": {"Name":"Localpart","Docs":"","Values":null},
	"OutgoingEvent": {"Name":"OutgoingEvent","Docs":"","Values":[{"Name":"EventDelivered","Value":"delivered","Docs":""},{"Name":"EventSuppressed","Value":"suppressed","Docs":""},{"Name":"EventDelayed","Value":"delayed","Docs":""},{"Name":"EventFailed","Value":"failed","Docs":""},{"Name":"EventRelayed","Value":"relayed","Docs":""},{"Name":"EventExpanded","Value":"expanded","Docs":""},{"Name":"EventCanceled","Value":"canceled","Docs":""},{"Name":"EventUnrecognized","Value":"unrecognized","Docs":""}]},
}

export const parser = {
	Account: (v: any) => parse("Account", v) as Account,
	OutgoingWebhook: (v: any) => parse("OutgoingWebhook", v) as OutgoingWebhook,
	IncomingWebhook: (v: any) => parse("IncomingWebhook", v) as IncomingWebhook,
	Destination: (v: any) => parse("Destination", v) as Destination,
	Ruleset: (v: any) => parse("Ruleset", v) as Ruleset,
	Domain: (v: any) => parse("Domain", v) as Domain,
	SubjectPass: (v: any) => parse("SubjectPass", v) as SubjectPass,
	AutomaticJunkFlags: (v: any) => parse("AutomaticJunkFlags", v) as AutomaticJunkFlags,
	JunkFilter: (v: any) => parse("JunkFilter", v) as JunkFilter,
	Route: (v: any) => parse("Route", v) as Route,
	AddressAlias: (v: any) => parse("AddressAlias", v) as AddressAlias,
	Alias: (v: any) => parse("Alias", v) as Alias,
	AliasAddress: (v: any) => parse("AliasAddress", v) as AliasAddress,
	Address: (v: any) => parse("Address", v) as Address,
	Suppression: (v: any) => parse("Suppression", v) as Suppression,
	ImportProgress: (v: any) => parse("ImportProgress", v) as ImportProgress,
	Outgoing: (v: any) => parse("Outgoing", v) as Outgoing,
	Incoming: (v: any) => parse("Incoming", v) as Incoming,
	NameAddress: (v: any) => parse("NameAddress", v) as NameAddress,
	Structure: (v: any) => parse("Structure", v) as Structure,
	IncomingMeta: (v: any) => parse("IncomingMeta", v) as IncomingMeta,
	TLSPublicKey: (v: any) => parse("TLSPublicKey", v) as TLSPublicKey,
	CSRFToken: (v: any) => parse("CSRFToken", v) as CSRFToken,
	Localpart: (v: any) => parse("Localpart", v) as Localpart,
	OutgoingEvent: (v: any) => parse("OutgoingEvent", v) as OutgoingEvent,
}

// Account exports web API functions for the account web interface. All its
// methods are exported under api/. Function calls require valid HTTP
// Authentication credentials of a user.
let defaultOptions: ClientOptions = {slicesNullable: true, mapsNullable: true, nullableOptional: true}

export class Client {
	private baseURL: string
	public authState: AuthState
	public options: ClientOptions

	constructor() {
		this.authState = {}
		this.options = {...defaultOptions}
		this.baseURL = this.options.baseURL || defaultBaseURL
	}

	withAuthToken(token: string): Client {
		const c = new Client()
		c.authState.token = token
		c.options = this.options
		return c
	}

	withOptions(options: ClientOptions): Client {
		const c = new Client()
		c.authState = this.authState
		c.options = { ...this.options, ...options }
		return c
	}

	// LoginPrep returns a login token, and also sets it as cookie. Both must be
	// present in the call to Login.
	async LoginPrep(): Promise<string> {
		const fn: string = "LoginPrep"
		const paramTypes: string[][] = []
		const returnTypes: string[][] = [["string"]]
		const params: any[] = []
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as string
	}

	// Login returns a session token for the credentials, or fails with error code
	// "user:badLogin". Call LoginPrep to get a loginToken.
	async Login(loginToken: string, username: string, password: string): Promise<CSRFToken> {
		const fn: string = "Login"
		const paramTypes: string[][] = [["string"],["string"],["string"]]
		const returnTypes: string[][] = [["CSRFToken"]]
		const params: any[] = [loginToken, username, password]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as CSRFToken
	}

	// Logout invalidates the session token.
	async Logout(): Promise<void> {
		const fn: string = "Logout"
		const paramTypes: string[][] = []
		const returnTypes: string[][] = []
		const params: any[] = []
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as void
	}

	// SetPassword saves a new password for the account, invalidating the previous password.
	// Sessions are not interrupted, and will keep working. New login attempts must use the new password.
	// Password must be at least 8 characters.
	async SetPassword(password: string): Promise<void> {
		const fn: string = "SetPassword"
		const paramTypes: string[][] = [["string"]]
		const returnTypes: string[][] = []
		const params: any[] = [password]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as void
	}

	// Account returns information about the account.
	// StorageUsed is the sum of the sizes of all messages, in bytes.
	// StorageLimit is the maximum storage that can be used, or 0 if there is no limit.
	async Account(): Promise<[Account, number, number, Suppression[] | null]> {
		const fn: string = "Account"
		const paramTypes: string[][] = []
		const returnTypes: string[][] = [["Account"],["int64"],["int64"],["[]","Suppression"]]
		const params: any[] = []
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as [Account, number, number, Suppression[] | null]
	}

	// AccountSaveFullName saves the full name (used as display name in email messages)
	// for the account.
	async AccountSaveFullName(fullName: string): Promise<void> {
		const fn: string = "AccountSaveFullName"
		const paramTypes: string[][] = [["string"]]
		const returnTypes: string[][] = []
		const params: any[] = [fullName]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as void
	}

	// DestinationSave updates a destination.
	// OldDest is compared against the current destination. If it does not match, an
	// error is returned. Otherwise newDest is saved and the configuration reloaded.
	async DestinationSave(destName: string, oldDest: Destination, newDest: Destination): Promise<void> {
		const fn: string = "DestinationSave"
		const paramTypes: string[][] = [["string"],["Destination"],["Destination"]]
		const returnTypes: string[][] = []
		const params: any[] = [destName, oldDest, newDest]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as void
	}

	// ImportAbort aborts an import that is in progress. If the import exists and isn't
	// finished, no changes will have been made by the import.
	async ImportAbort(importToken: string): Promise<void> {
		const fn: string = "ImportAbort"
		const paramTypes: string[][] = [["string"]]
		const returnTypes: string[][] = []
		const params: any[] = [importToken]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as void
	}

	// Types exposes types not used in API method signatures, such as the import form upload.
	async Types(): Promise<ImportProgress> {
		const fn: string = "Types"
		const paramTypes: string[][] = []
		const returnTypes: string[][] = [["ImportProgress"]]
		const params: any[] = []
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as ImportProgress
	}

	// SuppressionList lists the addresses on the suppression list of this account.
	async SuppressionList(): Promise<Suppression[] | null> {
		const fn: string = "SuppressionList"
		const paramTypes: string[][] = []
		const returnTypes: string[][] = [["[]","Suppression"]]
		const params: any[] = []
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as Suppression[] | null
	}

	// SuppressionAdd adds an email address to the suppression list.
	async SuppressionAdd(address: string, manual: boolean, reason: string): Promise<Suppression> {
		const fn: string = "SuppressionAdd"
		const paramTypes: string[][] = [["string"],["bool"],["string"]]
		const returnTypes: string[][] = [["Suppression"]]
		const params: any[] = [address, manual, reason]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as Suppression
	}

	// SuppressionRemove removes the email address from the suppression list.
	async SuppressionRemove(address: string): Promise<void> {
		const fn: string = "SuppressionRemove"
		const paramTypes: string[][] = [["string"]]
		const returnTypes: string[][] = []
		const params: any[] = [address]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as void
	}

	// OutgoingWebhookSave saves a new webhook url for outgoing deliveries. If url
	// is empty, the webhook is disabled. If authorization is non-empty it is used for
	// the Authorization header in HTTP requests. Events specifies the outgoing events
	// to be delivered, or all if empty/nil.
	async OutgoingWebhookSave(url: string, authorization: string, events: string[] | null): Promise<void> {
		const fn: string = "OutgoingWebhookSave"
		const paramTypes: string[][] = [["string"],["string"],["[]","string"]]
		const returnTypes: string[][] = []
		const params: any[] = [url, authorization, events]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as void
	}

	// OutgoingWebhookTest makes a test webhook call to urlStr, with optional
	// authorization. If the HTTP request is made this call will succeed also for
	// non-2xx HTTP status codes.
	async OutgoingWebhookTest(urlStr: string, authorization: string, data: Outgoing): Promise<[number, string, string]> {
		const fn: string = "OutgoingWebhookTest"
		const paramTypes: string[][] = [["string"],["string"],["Outgoing"]]
		const returnTypes: string[][] = [["int32"],["string"],["string"]]
		const params: any[] = [urlStr, authorization, data]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as [number, string, string]
	}

	// IncomingWebhookSave saves a new webhook url for incoming deliveries. If url is
	// empty, the webhook is disabled. If authorization is not empty, it is used in
	// the Authorization header in requests.
	async IncomingWebhookSave(url: string, authorization: string): Promise<void> {
		const fn: string = "IncomingWebhookSave"
		const paramTypes: string[][] = [["string"],["string"]]
		const returnTypes: string[][] = []
		const params: any[] = [url, authorization]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as void
	}

	// IncomingWebhookTest makes a test webhook HTTP delivery request to urlStr,
	// with optional authorization header. If the HTTP call is made, this function
	// returns non-error regardless of HTTP status code.
	async IncomingWebhookTest(urlStr: string, authorization: string, data: Incoming): Promise<[number, string, string]> {
		const fn: string = "IncomingWebhookTest"
		const paramTypes: string[][] = [["string"],["string"],["Incoming"]]
		const returnTypes: string[][] = [["int32"],["string"],["string"]]
		const params: any[] = [urlStr, authorization, data]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as [number, string, string]
	}

	// FromIDLoginAddressesSave saves new login addresses to enable unique SMTP
	// MAIL FROM addresses ("fromid") for deliveries from the queue.
	async FromIDLoginAddressesSave(loginAddresses: string[] | null): Promise<void> {
		const fn: string = "FromIDLoginAddressesSave"
		const paramTypes: string[][] = [["[]","string"]]
		const returnTypes: string[][] = []
		const params: any[] = [loginAddresses]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as void
	}

	// KeepRetiredPeriodsSave saves periods to save retired messages and webhooks.
	async KeepRetiredPeriodsSave(keepRetiredMessagePeriod: number, keepRetiredWebhookPeriod: number): Promise<void> {
		const fn: string = "KeepRetiredPeriodsSave"
		const paramTypes: string[][] = [["int64"],["int64"]]
		const returnTypes: string[][] = []
		const params: any[] = [keepRetiredMessagePeriod, keepRetiredWebhookPeriod]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as void
	}

	// AutomaticJunkFlagsSave saves settings for automatically marking messages as
	// junk/nonjunk when moved to mailboxes matching certain regular expressions.
	async AutomaticJunkFlagsSave(enabled: boolean, junkRegexp: string, neutralRegexp: string, notJunkRegexp: string): Promise<void> {
		const fn: string = "AutomaticJunkFlagsSave"
		const paramTypes: string[][] = [["bool"],["string"],["string"],["string"]]
		const returnTypes: string[][] = []
		const params: any[] = [enabled, junkRegexp, neutralRegexp, notJunkRegexp]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as void
	}

	// JunkFilterSave saves junk filter settings. If junkFilter is nil, the junk filter
	// is disabled. Otherwise all fields except Threegrams are stored.
	async JunkFilterSave(junkFilter: JunkFilter | null): Promise<void> {
		const fn: string = "JunkFilterSave"
		const paramTypes: string[][] = [["nullable","JunkFilter"]]
		const returnTypes: string[][] = []
		const params: any[] = [junkFilter]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as void
	}

	// RejectsSave saves the RejectsMailbox and KeepRejects settings.
	async RejectsSave(mailbox: string, keep: boolean): Promise<void> {
		const fn: string = "RejectsSave"
		const paramTypes: string[][] = [["string"],["bool"]]
		const returnTypes: string[][] = []
		const params: any[] = [mailbox, keep]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as void
	}

	async TLSPublicKeys(): Promise<TLSPublicKey[] | null> {
		const fn: string = "TLSPublicKeys"
		const paramTypes: string[][] = []
		const returnTypes: string[][] = [["[]","TLSPublicKey"]]
		const params: any[] = []
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as TLSPublicKey[] | null
	}

	async TLSPublicKeyAdd(loginAddress: string, name: string, noIMAPPreauth: boolean, certPEM: string): Promise<TLSPublicKey> {
		const fn: string = "TLSPublicKeyAdd"
		const paramTypes: string[][] = [["string"],["string"],["bool"],["string"]]
		const returnTypes: string[][] = [["TLSPublicKey"]]
		const params: any[] = [loginAddress, name, noIMAPPreauth, certPEM]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as TLSPublicKey
	}

	async TLSPublicKeyRemove(fingerprint: string): Promise<void> {
		const fn: string = "TLSPublicKeyRemove"
		const paramTypes: string[][] = [["string"]]
		const returnTypes: string[][] = []
		const params: any[] = [fingerprint]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as void
	}

	async TLSPublicKeyUpdate(pubKey: TLSPublicKey): Promise<void> {
		const fn: string = "TLSPublicKeyUpdate"
		const paramTypes: string[][] = [["TLSPublicKey"]]
		const returnTypes: string[][] = []
		const params: any[] = [pubKey]
		return await _sherpaCall(this.baseURL, this.authState, { ...this.options }, paramTypes, returnTypes, fn, params) as void
	}
}

export const defaultBaseURL = (function() {
	let p = location.pathname
	if (p && p[p.length - 1] !== '/') {
		let l = location.pathname.split('/')
		l = l.slice(0, l.length - 1)
		p = '/' + l.join('/') + '/'
	}
	return location.protocol + '//' + location.host + p + 'api/'
})()

// NOTE: code below is shared between github.com/mjl-/sherpaweb and github.com/mjl-/sherpats.
// KEEP IN SYNC.

export const supportedSherpaVersion = 1

export interface Section {
	Name: string
	Docs: string
	Functions: Function[]
	Sections: Section[]
	Structs: Struct[]
	Ints: Ints[]
	Strings: Strings[]
	Version: string // only for top-level section
	SherpaVersion: number // only for top-level section
	SherpadocVersion: number // only for top-level section
}

export interface Function {
	Name: string
	Docs: string
	Params: Arg[]
	Returns: Arg[]
}

export interface Arg {
	Name: string
	Typewords: string[]
}

export interface Struct {
	Name: string
	Docs: string
	Fields: Field[]
}

export interface Field {
	Name: string
	Docs: string
	Typewords: string[]
}

export interface Ints {
	Name: string
	Docs: string
	Values: {
		Name: string
		Value: number
		Docs: string
	}[] | null
}

export interface Strings {
	Name: string
	Docs: string
	Values: {
		Name: string
		Value: string
		Docs: string
	}[] | null
}

export type NamedType = Struct | Strings | Ints
export type TypenameMap = { [k: string]: NamedType }

// verifyArg typechecks "v" against "typewords", returning a new (possibly modified) value for JSON-encoding.
// toJS indicate if the data is coming into JS. If so, timestamps are turned into JS Dates. Otherwise, JS Dates are turned into strings.
// allowUnknownKeys configures whether unknown keys in structs are allowed.
// types are the named types of the API.
export const verifyArg = (path: string, v: any, typewords: string[], toJS: boolean, allowUnknownKeys: boolean, types: TypenameMap, opts: ClientOptions): any => {
	return new verifier(types, toJS, allowUnknownKeys, opts).verify(path, v, typewords)
}

export const parse = (name: string, v: any): any => verifyArg(name, v, [name], true, false, types, defaultOptions)

class verifier {
	constructor(private types: TypenameMap, private toJS: boolean, private allowUnknownKeys: boolean, private opts: ClientOptions) {
	}

	verify(path: string, v: any, typewords: string[]): any {
		typewords = typewords.slice(0)
		const ww = typewords.shift()

		const error = (msg: string) => {
			if (path != '') {
				msg = path + ': ' + msg
			}
			throw new Error(msg)
		}

		if (typeof ww !== 'string') {
			error('bad typewords')
			return // should not be necessary, typescript doesn't see error always throws an exception?
		}
		const w: string = ww

		const ensure = (ok: boolean, expect: string): any => {
			if (!ok) {
				error('got ' + JSON.stringify(v) + ', expected ' + expect)
			}
			return v
		}

		switch (w) {
		case 'nullable':
			if (v === null || v === undefined && this.opts.nullableOptional) {
				return v
			}
			return this.verify(path, v, typewords)
		case '[]':
			if (v === null && this.opts.slicesNullable || v === undefined && this.opts.slicesNullable && this.opts.nullableOptional) {
				return v
			}
			ensure(Array.isArray(v), "array")
			return v.map((e: any, i: number) => this.verify(path + '[' + i + ']', e, typewords))
		case '{}':
			if (v === null && this.opts.mapsNullable || v === undefined && this.opts.mapsNullable && this.opts.nullableOptional) {
				return v
			}
			ensure(v !== null || typeof v === 'object', "object")
			const r: any = {}
			for (const k in v) {
				r[k] = this.verify(path + '.' + k, v[k], typewords)
			}
			return r
		}

		ensure(typewords.length == 0, "empty typewords")
		const t = typeof v
		switch (w) {
		case 'any':
			return v
		case 'bool':
			ensure(t === 'boolean', 'bool')
			return v
		case 'int8':
		case 'uint8':
		case 'int16':
		case 'uint16':
		case 'int32':
		case 'uint32':
		case 'int64':
		case 'uint64':
			ensure(t === 'number' && Number.isInteger(v), 'integer')
			return v
		case 'float32':
		case 'float64':
			ensure(t === 'number', 'float')
			return v
		case 'int64s':
		case 'uint64s':
			ensure(t === 'number' && Number.isInteger(v) || t === 'string', 'integer fitting in float without precision loss, or string')
			return '' + v
		case 'string':
			ensure(t === 'string', 'string')
			return v
		case 'timestamp':
			if (this.toJS) {
				ensure(t === 'string', 'string, with timestamp')
				const d = new Date(v)
				if (d instanceof Date && !isNaN(d.getTime())) {
					return d
				}
				error('invalid date ' + v)
			} else {
				ensure(t === 'object' && v !== null, 'non-null object')
				ensure(v.__proto__ === Date.prototype, 'Date')
				return v.toISOString()
			}
		}

		// We're left with named types.
		const nt = this.types[w]
		if (!nt) {
			error('unknown type ' + w)
		}
		if (v === null) {
			error('bad value ' + v + ' for named type ' + w)
		}

		if (structTypes[nt.Name]) {
			const t = nt as Struct
			if (typeof v !== 'object') {
				error('bad value ' + v + ' for struct ' + w)
			}

			const r: any = {}
			for (const f of t.Fields) {
				r[f.Name] = this.verify(path + '.' + f.Name, v[f.Name], f.Typewords)
			}
			// If going to JSON also verify no unknown fields are present.
			if (!this.allowUnknownKeys) {
				const known: { [key: string]: boolean } = {}
				for (const f of t.Fields) {
					known[f.Name] = true
				}
				Object.keys(v).forEach((k) => {
					if (!known[k]) {
						error('unknown key ' + k + ' for struct ' + w)
					}
				})
			}
			return r
		} else if (stringsTypes[nt.Name]) {
			const t = nt as Strings
			if (typeof v !== 'string') {
				error('mistyped value ' + v + ' for named strings ' + t.Name)
			}
			if (!t.Values || t.Values.length === 0) {
				return v
			}
			for (const sv of t.Values) {
				if (sv.Value === v) {
					return v
				}
			}
			error('unknown value ' + v + ' for named strings ' + t.Name)
		} else if (intsTypes[nt.Name]) {
			const t = nt as Ints
			if (typeof v !== 'number' || !Number.isInteger(v)) {
				error('mistyped value ' + v + ' for named ints ' + t.Name)
			}
			if (!t.Values || t.Values.length === 0) {
				return v
			}
			for (const sv of t.Values) {
				if (sv.Value === v) {
					return v
				}
			}
			error('unknown value ' + v + ' for named ints ' + t.Name)
		} else {
			throw new Error('unexpected named type ' + nt)
		}
	}
}


export interface ClientOptions {
	baseURL?: string
	aborter?: {abort?: () => void}
	timeoutMsec?: number
	skipParamCheck?: boolean
	skipReturnCheck?: boolean
	slicesNullable?: boolean
	mapsNullable?: boolean
	nullableOptional?: boolean
	csrfHeader?: string
	login?: (reason: string) => Promise<string>
}

export interface AuthState {
	token?: string // For csrf request header.
	loginPromise?: Promise<void> // To let multiple API calls wait for a single login attempt, not each opening a login popup.
}

const _sherpaCall = async (baseURL: string, authState: AuthState, options: ClientOptions, paramTypes: string[][], returnTypes: string[][], name: string, params: any[]): Promise<any> => {
	if (!options.skipParamCheck) {
		if (params.length !== paramTypes.length) {
			return Promise.reject({ message: 'wrong number of parameters in sherpa call, saw ' + params.length + ' != expected ' + paramTypes.length })
		}
		params = params.map((v: any, index: number) => verifyArg('params[' + index + ']', v, paramTypes[index], false, false, types, options))
	}
	const simulate = async (json: string) => {
		const config = JSON.parse(json || 'null') || {}
		const waitMinMsec = config.waitMinMsec || 0
		const waitMaxMsec = config.waitMaxMsec || 0
		const wait = Math.random() * (waitMaxMsec - waitMinMsec)
		const failRate = config.failRate || 0
		return new Promise<void>((resolve, reject) => {
			if (options.aborter) {
				options.aborter.abort = () => {
					reject({ message: 'call to ' + name + ' aborted by user', code: 'sherpa:aborted' })
					reject = resolve = () => { }
				}
			}
			setTimeout(() => {
				const r = Math.random()
				if (r < failRate) {
					reject({ message: 'injected failure on ' + name, code: 'server:injected' })
				} else {
					resolve()
				}
				reject = resolve = () => { }
			}, waitMinMsec + wait)
		})
	}
	// Only simulate when there is a debug string. Otherwise it would always interfere
	// with setting options.aborter.
	let json: string = ''
	try {
		json = window.localStorage.getItem('sherpats-debug') || ''
	} catch (err) {}
	if (json) {
		await simulate(json)
	}

	const fn = (resolve: (v: any) => void, reject: (v: any) => void) => {
		let resolve1 = (v: any) => {
			resolve(v)
			resolve1 = () => { }
			reject1 = () => { }
		}
		let reject1 = (v: { code: string, message: string }) => {
			if ((v.code === 'user:noAuth' || v.code === 'user:badAuth')  && options.login) {
				const login = options.login
				if (!authState.loginPromise) {
					authState.loginPromise = new Promise((aresolve, areject) => {
						login(v.code === 'user:badAuth' ? (v.message || '') : '')
						.then((token) => {
							authState.token = token
							authState.loginPromise = undefined
							aresolve()
						}, (err: any) => {
							authState.loginPromise = undefined
							areject(err)
						})
					})
				}
				authState.loginPromise
				.then(() => {
					fn(resolve, reject)
				}, (err: any) => {
					reject(err)
				})
				return
			}
			reject(v)
			resolve1 = () => { }
			reject1 = () => { }
		}

		const url = baseURL + name
		const req = new window.XMLHttpRequest()
		if (options.aborter) {
			options.aborter.abort = () => {
				req.abort()
				reject1({ code: 'sherpa:aborted', message: 'request aborted' })
			}
		}
		req.open('POST', url, true)
		if (options.csrfHeader && authState.token) {
			req.setRequestHeader(options.csrfHeader, authState.token)
		}
		if (options.timeoutMsec) {
			req.timeout = options.timeoutMsec
		}
		req.onload = () => {
			if (req.status !== 200) {
				if (req.status === 404) {
					reject1({ code: 'sherpa:badFunction', message: 'function does not exist' })
				} else {
					reject1({ code: 'sherpa:http', message: 'error calling function, HTTP status: ' + req.status })
				}
				return
			}

			let resp: any
			try {
				resp = JSON.parse(req.responseText)
			} catch (err) {
				reject1({ code: 'sherpa:badResponse', message: 'bad JSON from server' })
				return
			}
			if (resp && resp.error) {
				const err = resp.error
				reject1({ code: err.code, message: err.message })
				return
			} else if (!resp || !resp.hasOwnProperty('result')) {
				reject1({ code: 'sherpa:badResponse', message: "invalid sherpa response object, missing 'result'" })
				return
			}

			if (options.skipReturnCheck) {
				resolve1(resp.result)
				return
			}
			let result = resp.result
			try {
				if (returnTypes.length === 0) {
					if (result) {
						throw new Error('function ' + name + ' returned a value while prototype says it returns "void"')
					}
				} else if (returnTypes.length === 1) {
					result = verifyArg('result', result, returnTypes[0], true, true, types, options)
				} else {
					if (result.length != returnTypes.length) {
						throw new Error('wrong number of values returned by ' + name + ', saw ' + result.length + ' != expected ' + returnTypes.length)
					}
					result = result.map((v: any, index: number) => verifyArg('result[' + index + ']', v, returnTypes[index], true, true, types, options))
				}
			} catch (err) {
				let errmsg = 'bad types'
				if (err instanceof Error) {
					errmsg = err.message
				}
				reject1({ code: 'sherpa:badTypes', message: errmsg })
			}
			resolve1(result)
		}
		req.onerror = () => {
			reject1({ code: 'sherpa:connection', message: 'connection failed' })
		}
		req.ontimeout = () => {
			reject1({ code: 'sherpa:timeout', message: 'request timeout' })
		}
		req.setRequestHeader('Content-Type', 'application/json')
		try {
			req.send(JSON.stringify({ params: params }))
		} catch (err) {
			reject1({ code: 'sherpa:badData', message: 'cannot marshal to JSON' })
		}
	}
	return await new Promise(fn)
}

}