mox/webmail/lib.ts
2023-11-20 21:36:40 +01:00

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This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

// Javascript is generated from typescript, do not modify generated javascript because changes will be overwritten.
type ElemArg = string | String | Element | Function | {_class: string[]} | {_attrs: {[k: string]: string}} | {_styles: {[k: string]: string | number}} | {_props: {[k: string]: any}} | {root: HTMLElement} | ElemArg[]
const [dom, style, attr, prop] = (function() {
// Start of unicode block (rough approximation of script), from https://www.unicode.org/Public/UNIDATA/Blocks.txt
const scriptblocks = [0x0000, 0x0080, 0x0100, 0x0180, 0x0250, 0x02B0, 0x0300, 0x0370, 0x0400, 0x0500, 0x0530, 0x0590, 0x0600, 0x0700, 0x0750, 0x0780, 0x07C0, 0x0800, 0x0840, 0x0860, 0x0870, 0x08A0, 0x0900, 0x0980, 0x0A00, 0x0A80, 0x0B00, 0x0B80, 0x0C00, 0x0C80, 0x0D00, 0x0D80, 0x0E00, 0x0E80, 0x0F00, 0x1000, 0x10A0, 0x1100, 0x1200, 0x1380, 0x13A0, 0x1400, 0x1680, 0x16A0, 0x1700, 0x1720, 0x1740, 0x1760, 0x1780, 0x1800, 0x18B0, 0x1900, 0x1950, 0x1980, 0x19E0, 0x1A00, 0x1A20, 0x1AB0, 0x1B00, 0x1B80, 0x1BC0, 0x1C00, 0x1C50, 0x1C80, 0x1C90, 0x1CC0, 0x1CD0, 0x1D00, 0x1D80, 0x1DC0, 0x1E00, 0x1F00, 0x2000, 0x2070, 0x20A0, 0x20D0, 0x2100, 0x2150, 0x2190, 0x2200, 0x2300, 0x2400, 0x2440, 0x2460, 0x2500, 0x2580, 0x25A0, 0x2600, 0x2700, 0x27C0, 0x27F0, 0x2800, 0x2900, 0x2980, 0x2A00, 0x2B00, 0x2C00, 0x2C60, 0x2C80, 0x2D00, 0x2D30, 0x2D80, 0x2DE0, 0x2E00, 0x2E80, 0x2F00, 0x2FF0, 0x3000, 0x3040, 0x30A0, 0x3100, 0x3130, 0x3190, 0x31A0, 0x31C0, 0x31F0, 0x3200, 0x3300, 0x3400, 0x4DC0, 0x4E00, 0xA000, 0xA490, 0xA4D0, 0xA500, 0xA640, 0xA6A0, 0xA700, 0xA720, 0xA800, 0xA830, 0xA840, 0xA880, 0xA8E0, 0xA900, 0xA930, 0xA960, 0xA980, 0xA9E0, 0xAA00, 0xAA60, 0xAA80, 0xAAE0, 0xAB00, 0xAB30, 0xAB70, 0xABC0, 0xAC00, 0xD7B0, 0xD800, 0xDB80, 0xDC00, 0xE000, 0xF900, 0xFB00, 0xFB50, 0xFE00, 0xFE10, 0xFE20, 0xFE30, 0xFE50, 0xFE70, 0xFF00, 0xFFF0, 0x10000, 0x10080, 0x10100, 0x10140, 0x10190, 0x101D0, 0x10280, 0x102A0, 0x102E0, 0x10300, 0x10330, 0x10350, 0x10380, 0x103A0, 0x10400, 0x10450, 0x10480, 0x104B0, 0x10500, 0x10530, 0x10570, 0x10600, 0x10780, 0x10800, 0x10840, 0x10860, 0x10880, 0x108E0, 0x10900, 0x10920, 0x10980, 0x109A0, 0x10A00, 0x10A60, 0x10A80, 0x10AC0, 0x10B00, 0x10B40, 0x10B60, 0x10B80, 0x10C00, 0x10C80, 0x10D00, 0x10E60, 0x10E80, 0x10EC0, 0x10F00, 0x10F30, 0x10F70, 0x10FB0, 0x10FE0, 0x11000, 0x11080, 0x110D0, 0x11100, 0x11150, 0x11180, 0x111E0, 0x11200, 0x11280, 0x112B0, 0x11300, 0x11400, 0x11480, 0x11580, 0x11600, 0x11660, 0x11680, 0x11700, 0x11800, 0x118A0, 0x11900, 0x119A0, 0x11A00, 0x11A50, 0x11AB0, 0x11AC0, 0x11B00, 0x11C00, 0x11C70, 0x11D00, 0x11D60, 0x11EE0, 0x11F00, 0x11FB0, 0x11FC0, 0x12000, 0x12400, 0x12480, 0x12F90, 0x13000, 0x13430, 0x14400, 0x16800, 0x16A40, 0x16A70, 0x16AD0, 0x16B00, 0x16E40, 0x16F00, 0x16FE0, 0x17000, 0x18800, 0x18B00, 0x18D00, 0x1AFF0, 0x1B000, 0x1B100, 0x1B130, 0x1B170, 0x1BC00, 0x1BCA0, 0x1CF00, 0x1D000, 0x1D100, 0x1D200, 0x1D2C0, 0x1D2E0, 0x1D300, 0x1D360, 0x1D400, 0x1D800, 0x1DF00, 0x1E000, 0x1E030, 0x1E100, 0x1E290, 0x1E2C0, 0x1E4D0, 0x1E7E0, 0x1E800, 0x1E900, 0x1EC70, 0x1ED00, 0x1EE00, 0x1F000, 0x1F030, 0x1F0A0, 0x1F100, 0x1F200, 0x1F300, 0x1F600, 0x1F650, 0x1F680, 0x1F700, 0x1F780, 0x1F800, 0x1F900, 0x1FA00, 0x1FA70, 0x1FB00, 0x20000, 0x2A700, 0x2B740, 0x2B820, 0x2CEB0, 0x2F800, 0x30000, 0x31350, 0xE0000, 0xE0100, 0xF0000, 0x100000]
// Find block code belongs in.
const findBlock = (code: number): number => {
let s = 0
let e = scriptblocks.length
while (s < e-1) {
let i = Math.floor((s+e)/2)
if (code < scriptblocks[i]) {
e = i
} else {
s = i
}
}
return s
}
// formatText adds s to element e, in a way that makes switching unicode scripts
// clear, with alternating DOM TextNode and span elements with a "switchscript"
// class. Useful for highlighting look alikes, e.g. a (ascii 0x61) and а (cyrillic
// 0x430).
//
// This is only called one string at a time, so the UI can still display strings
// without highlighting switching scripts, by calling formatText on the parts.
const formatText = (e: HTMLElement, s: string): void => {
// Handle some common cases quickly.
if (!s) {
return
}
let ascii = true
for (const c of s) {
const cp = c.codePointAt(0) // For typescript, to check for undefined.
if (cp !== undefined && cp >= 0x0080) {
ascii = false
break
}
}
if (ascii) {
e.appendChild(document.createTextNode(s))
return
}
// todo: handle grapheme clusters? wait for Intl.Segmenter?
let n = 0 // Number of text/span parts added.
let str = '' // Collected so far.
let block = -1 // Previous block/script.
let mod = 1
const put = (nextblock: number) => {
if (n === 0 && nextblock === 0) {
// Start was non-ascii, second block is ascii, we'll start marked as switched.
mod = 0
}
if (n % 2 === mod) {
const x = document.createElement('span')
x.classList.add('scriptswitch')
x.appendChild(document.createTextNode(str))
e.appendChild(x)
} else {
e.appendChild(document.createTextNode(str))
}
n++
str = ''
}
for (const c of s) {
// Basic whitespace does not switch blocks. Will probably need to extend with more
// punctuation in the future. Possibly for digits too. But perhaps not in all
// scripts.
if (c === ' ' || c === '\t' || c === '\r' || c === '\n') {
str += c
continue
}
const code: number = c.codePointAt(0) as number
if (block < 0 || !(code >= scriptblocks[block] && (code < scriptblocks[block+1] || block === scriptblocks.length-1))) {
const nextblock = code < 0x0080 ? 0 : findBlock(code)
if (block >= 0) {
put(nextblock)
}
block = nextblock
}
str += c
}
put(-1)
}
const _domKids = <T extends HTMLElement>(e: T, l: ElemArg[]): T => {
l.forEach((c) => {
const xc = c as {[k: string]: any}
if (typeof c === 'string') {
formatText(e, c)
} else if (c instanceof String) {
// String is an escape-hatch for text that should not be formatted with
// unicode-block-change-highlighting, e.g. for textarea values.
e.appendChild(document.createTextNode(''+c))
} else if (c instanceof Element) {
e.appendChild(c)
} else if (c instanceof Function) {
if (!c.name) {
throw new Error('function without name')
}
e.addEventListener(c.name as string, c as EventListener)
} else if (Array.isArray(xc)) {
_domKids(e, c as ElemArg[])
} else if (xc._class) {
for (const s of xc._class) {
e.classList.toggle(s, true)
}
} else if (xc._attrs) {
for (const k in xc._attrs) {
e.setAttribute(k, xc._attrs[k])
}
} else if (xc._styles) {
for (const k in xc._styles) {
const estyle: {[k: string]: any} = e.style
estyle[k as string] = xc._styles[k]
}
} else if (xc._props) {
for (const k in xc._props) {
const eprops: {[k: string]: any} = e
eprops[k] = xc._props[k]
}
} else if (xc.root) {
e.appendChild(xc.root)
} else {
console.log('bad kid', c)
throw new Error('bad kid')
}
})
return e
}
const dom = {
_kids: function(e: HTMLElement, ...kl: ElemArg[]) {
while(e.firstChild) {
e.removeChild(e.firstChild)
}
_domKids(e, kl)
},
_attrs: (x: {[k: string]: string}) => { return {_attrs: x}},
_class: (...x: string[]) => { return {_class: x}},
// The createElement calls are spelled out so typescript can derive function
// signatures with a specific HTML*Element return type.
div: (...l: ElemArg[]) => _domKids(document.createElement('div'), l),
span: (...l: ElemArg[]) => _domKids(document.createElement('span'), l),
a: (...l: ElemArg[]) => _domKids(document.createElement('a'), l),
input: (...l: ElemArg[]) => _domKids(document.createElement('input'), l),
textarea: (...l: ElemArg[]) => _domKids(document.createElement('textarea'), l),
select: (...l: ElemArg[]) => _domKids(document.createElement('select'), l),
option: (...l: ElemArg[]) => _domKids(document.createElement('option'), l),
clickbutton: (...l: ElemArg[]) => _domKids(document.createElement('button'), [attr.type('button'), ...l]),
submitbutton: (...l: ElemArg[]) => _domKids(document.createElement('button'), [attr.type('submit'), ...l]),
form: (...l: ElemArg[]) => _domKids(document.createElement('form'), l),
fieldset: (...l: ElemArg[]) => _domKids(document.createElement('fieldset'), l),
table: (...l: ElemArg[]) => _domKids(document.createElement('table'), l),
thead: (...l: ElemArg[]) => _domKids(document.createElement('thead'), l),
tbody: (...l: ElemArg[]) => _domKids(document.createElement('tbody'), l),
tr: (...l: ElemArg[]) => _domKids(document.createElement('tr'), l),
td: (...l: ElemArg[]) => _domKids(document.createElement('td'), l),
th: (...l: ElemArg[]) => _domKids(document.createElement('th'), l),
datalist: (...l: ElemArg[]) => _domKids(document.createElement('datalist'), l),
h1: (...l: ElemArg[]) => _domKids(document.createElement('h1'), l),
h2: (...l: ElemArg[]) => _domKids(document.createElement('h2'), l),
br: (...l: ElemArg[]) => _domKids(document.createElement('br'), l),
hr: (...l: ElemArg[]) => _domKids(document.createElement('hr'), l),
pre: (...l: ElemArg[]) => _domKids(document.createElement('pre'), l),
label: (...l: ElemArg[]) => _domKids(document.createElement('label'), l),
ul: (...l: ElemArg[]) => _domKids(document.createElement('ul'), l),
li: (...l: ElemArg[]) => _domKids(document.createElement('li'), l),
iframe: (...l: ElemArg[]) => _domKids(document.createElement('iframe'), l),
b: (...l: ElemArg[]) => _domKids(document.createElement('b'), l),
img: (...l: ElemArg[]) => _domKids(document.createElement('img'), l),
style: (...l: ElemArg[]) => _domKids(document.createElement('style'), l),
search: (...l: ElemArg[]) => _domKids(document.createElement('search'), l),
}
const _attr = (k: string, v: string) => { const o: {[key: string]: string} = {}; o[k] = v; return {_attrs: o} }
const attr = {
title: (s: string) => _attr('title', s),
value: (s: string) => _attr('value', s),
type: (s: string) => _attr('type', s),
tabindex: (s: string) => _attr('tabindex', s),
src: (s: string) => _attr('src', s),
placeholder: (s: string) => _attr('placeholder', s),
href: (s: string) => _attr('href', s),
checked: (s: string) => _attr('checked', s),
selected: (s: string) => _attr('selected', s),
id: (s: string) => _attr('id', s),
datalist: (s: string) => _attr('datalist', s),
rows: (s: string) => _attr('rows', s),
target: (s: string) => _attr('target', s),
rel: (s: string) => _attr('rel', s),
required: (s: string) => _attr('required', s),
multiple: (s: string) => _attr('multiple', s),
download: (s: string) => _attr('download', s),
disabled: (s: string) => _attr('disabled', s),
draggable: (s: string) => _attr('draggable', s),
rowspan: (s: string) => _attr('rowspan', s),
colspan: (s: string) => _attr('colspan', s),
for: (s: string) => _attr('for', s),
role: (s: string) => _attr('role', s),
arialabel: (s: string) => _attr('aria-label', s),
arialive: (s: string) => _attr('aria-live', s),
name: (s: string) => _attr('name', s)
}
const style = (x: {[k: string]: string | number}) => { return {_styles: x}}
const prop = (x: {[k: string]: any}) => { return {_props: x}}
return [dom, style, attr, prop]
})()
// join elements in l with the results of calls to efn. efn can return
// HTMLElements, which cannot be inserted into the dom multiple times, hence the
// function.
const join = (l: any, efn: () => any): any[] => {
const r: any[] = []
const n = l.length
for (let i = 0; i < n; i++) {
r.push(l[i])
if (i < n-1) {
r.push(efn())
}
}
return r
}
// addLinks turns a line of text into alternating strings and links. Links that
// would end with interpunction followed by whitespace are returned with that
// interpunction moved to the next string instead.
const addLinks = (text: string): (HTMLAnchorElement | string)[] => {
// todo: look at ../rfc/3986 and fix up regexp. we should probably accept utf-8.
const re = RegExp('(http|https):\/\/([:%0-9a-zA-Z._~!$&\'/()*+,;=-]+@)?([\\[\\]0-9a-zA-Z.-]+)(:[0-9]+)?([:@%0-9a-zA-Z._~!$&\'/()*+,;=-]*)(\\?[:@%0-9a-zA-Z._~!$&\'/()*+,;=?-]*)?(#[:@%0-9a-zA-Z._~!$&\'/()*+,;=?-]*)?')
const r = []
while (text.length > 0) {
const l = re.exec(text)
if (!l) {
r.push(text)
break
}
let s = text.substring(0, l.index)
let url = l[0]
text = text.substring(l.index+url.length)
r.push(s)
// If URL ends with interpunction, and next character is whitespace or end, don't
// include the interpunction in the URL.
if (!text || /^[ \t\r\n]/.test(text)) {
if (/[)>][!,.:;?]$/.test(url)) {
text = url.substring(url.length-2)+text
url = url.substring(0, url.length-2)
} else if (/[)>!,.:;?]$/.test(url)) {
text = url.substring(url.length-1)+text
url = url.substring(0, url.length-1)
}
}
r.push(dom.a(url, attr.href(url), attr.target('_blank'), attr.rel('noopener noreferrer')))
}
return r
}
// renderText turns text into a renderable element with ">" interpreted as quoted
// text (with different levels), and URLs replaced by links.
const renderText = (text: string): HTMLElement => {
return dom.div(text.split('\n').map(line => {
let q = 0
for (const c of line) {
if (c == '>') {
q++
} else if (c !== ' ') {
break
}
}
if (q == 0) {
return [addLinks(line), '\n']
}
q = (q-1)%3 + 1
return dom.div(dom._class('quoted'+q), addLinks(line))
}))
}
const displayName = (s: string) => {
// ../rfc/5322:1216
// ../rfc/5322:1270
// todo: need support for group addresses (eg "undisclosed recipients").
// ../rfc/5322:697
const specials = /[()<>\[\]:;@\\,."]/
if (specials.test(s)) {
return '"' + s.replace('\\', '\\\\').replace('"', '\\"') + '"'
}
return s
}
// format an address with both name and email address.
const formatAddress = (a: api.MessageAddress): string => {
let s = '<' + a.User + '@' + a.Domain.ASCII + '>'
if (a.Name) {
s = displayName(a.Name) + ' ' + s
}
return s
}
// returns an address with all available details, including unicode version if
// available.
const formatAddressFull = (a: api.MessageAddress): string => {
let s = ''
if (a.Name) {
s = a.Name + ' '
}
s += '<' + a.User + '@' + a.Domain.ASCII + '>'
if (a.Domain.Unicode) {
s += ' (' + a.User + '@' + a.Domain.Unicode + ')'
}
return s
}
// format just the name if present and it doesn't look like an address, or otherwise just the email address.
const formatAddressShort = (a: api.MessageAddress): string => {
const n = a.Name
if (n && !n.includes('<') && !n.includes('@') && !n.includes('>')) {
return n
}
return '<' + a.User + '@' + a.Domain.ASCII + '>'
}
// return just the email address.
const formatEmailASCII = (a: api.MessageAddress): string => {
return a.User + '@' + a.Domain.ASCII
}
const equalAddress = (a: api.MessageAddress, b: api.MessageAddress) => {
return (!a.User || !b.User || a.User === b.User) && a.Domain.ASCII === b.Domain.ASCII
}
const addressList = (allAddrs: boolean, l: api.MessageAddress[]) => {
if (l.length <= 5 || allAddrs) {
return dom.span(join(l.map(a => formatAddressFull(a)), () => ', '))
}
let elem = dom.span(
join(
l.slice(0, 4).map(a => formatAddressFull(a)),
() => ', '
),
' ',
dom.clickbutton('More...', attr.title('More addresses:\n'+l.slice(4).map(a => formatAddressFull(a)).join(',\n')), function click() {
const nelem = dom.span(
join(l.map(a => formatAddressFull(a)), () => ', '),
' ',
dom.clickbutton('Less...', function click() {
elem.replaceWith(addressList(allAddrs, l))
}),
)
elem.replaceWith(nelem)
elem = nelem
})
)
return elem
}
// loadMsgheaderView loads the common message headers into msgheaderelem.
// if refineKeyword is set, labels are shown and a click causes a call to
// refineKeyword.
const loadMsgheaderView = (msgheaderelem: HTMLElement, mi: api.MessageItem, moreHeaders: string[], refineKeyword: null | ((kw: string) => Promise<void>), allAddrs: boolean) => {
const msgenv = mi.Envelope
const received = mi.Message.Received
const receivedlocal = new Date(received.getTime())
dom._kids(msgheaderelem,
// todo: make addresses clickable, start search (keep current mailbox if any)
dom.tr(
dom.td('From:', style({textAlign: 'right', color: '#555', whiteSpace: 'nowrap'})),
dom.td(
style({width: '100%'}),
dom.div(style({display: 'flex', justifyContent: 'space-between'}),
dom.div(join((msgenv.From || []).map(a => formatAddressFull(a)), () => ', ')),
dom.div(
attr.title('Received: ' + received.toString() + ';\nDate header in message: ' + (msgenv.Date ? msgenv.Date.toString() : '(missing/invalid)')),
receivedlocal.toDateString() + ' ' + receivedlocal.toTimeString().split(' ')[0],
),
)
),
),
(msgenv.ReplyTo || []).length === 0 ? [] : dom.tr(
dom.td('Reply-To:', style({textAlign: 'right', color: '#555', whiteSpace: 'nowrap'})),
dom.td(join((msgenv.ReplyTo || []).map(a => formatAddressFull(a)), () => ', ')),
),
dom.tr(
dom.td('To:', style({textAlign: 'right', color: '#555', whiteSpace: 'nowrap'})),
dom.td(addressList(allAddrs, msgenv.To || [])),
),
(msgenv.CC || []).length === 0 ? [] : dom.tr(
dom.td('Cc:', style({textAlign: 'right', color: '#555', whiteSpace: 'nowrap'})),
dom.td(addressList(allAddrs, msgenv.CC || [])),
),
(msgenv.BCC || []).length === 0 ? [] : dom.tr(
dom.td('Bcc:', style({textAlign: 'right', color: '#555', whiteSpace: 'nowrap'})),
dom.td(addressList(allAddrs, msgenv.BCC || [])),
),
dom.tr(
dom.td('Subject:', style({textAlign: 'right', color: '#555', whiteSpace: 'nowrap'})),
dom.td(
dom.div(style({display: 'flex', justifyContent: 'space-between'}),
dom.div(msgenv.Subject || ''),
dom.div(
mi.Message.IsForward ? dom.span(style({padding: '0px 0.15em', fontSize: '.9em'}), 'Forwarded', attr.title('Message came in from a forwarded address. Some message authentication policies, like DMARC, were not evaluated.')) : [],
mi.Message.IsMailingList ? dom.span(style({padding: '0px 0.15em', fontSize: '.9em'}), 'Mailing list', attr.title('Message was received from a mailing list. Some message authentication policies, like DMARC, were not evaluated.')) : [],
mi.Message.ReceivedTLSVersion === 1 ? dom.span(style({padding: '0px 0.15em', fontSize: '.9em', borderBottom: '1.5px solid #e15d1c'}), 'Without TLS', attr.title('Message received (last hop) without TLS.')) : [],
mi.Message.ReceivedTLSVersion > 1 && !mi.Message.ReceivedRequireTLS ? dom.span(style({padding: '0px 0.15em', fontSize: '.9em', borderBottom: '1.5px solid #50c40f'}), 'With TLS', attr.title('Message received (last hop) with TLS.')) : [],
mi.Message.ReceivedRequireTLS ? dom.span(style({padding: '.1em .3em', fontSize: '.9em', backgroundColor: '#d2f791', border: '1px solid #ccc', borderRadius: '3px'}), 'With RequireTLS', attr.title('Transported with RequireTLS, ensuring TLS along the entire delivery path from sender to recipient, with TLS certificate verification through MTA-STS and/or DANE.')) : [],
mi.IsSigned ? dom.span(style({backgroundColor: '#666', padding: '0px 0.15em', fontSize: '.9em', color: 'white', borderRadius: '.15em'}), 'Message has a signature') : [],
mi.IsEncrypted ? dom.span(style({backgroundColor: '#666', padding: '0px 0.15em', fontSize: '.9em', color: 'white', borderRadius: '.15em'}), 'Message is encrypted') : [],
refineKeyword ? (mi.Message.Keywords || []).map(kw =>
dom.clickbutton(dom._class('keyword'), kw, async function click() {
await refineKeyword(kw)
}),
) : [],
),
)
),
),
moreHeaders.map(k =>
dom.tr(
dom.td(k+':', style({textAlign: 'right', color: '#555', whiteSpace: 'nowrap'})),
dom.td(),
)
),
)
}