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148 lines
7.6 KiB
148 lines
7.6 KiB
3 years ago
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import { pctEncChar, pctDecChars, unescapeComponent } from "../uri";
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import punycode from "punycode";
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import { merge, subexp, toUpperCase, toArray } from "../util";
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const O = {};
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const isIRI = true;
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//RFC 3986
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const UNRESERVED$$ = "[A-Za-z0-9\\-\\.\\_\\~" + (isIRI ? "\\xA0-\\u200D\\u2010-\\u2029\\u202F-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF" : "") + "]";
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const HEXDIG$$ = "[0-9A-Fa-f]"; //case-insensitive
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const PCT_ENCODED$ = subexp(subexp("%[EFef]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%[89A-Fa-f]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%" + HEXDIG$$ + HEXDIG$$)); //expanded
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//RFC 5322, except these symbols as per RFC 6068: @ : / ? # [ ] & ; =
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//const ATEXT$$ = "[A-Za-z0-9\\!\\#\\$\\%\\&\\'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]";
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//const WSP$$ = "[\\x20\\x09]";
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//const OBS_QTEXT$$ = "[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x7F]"; //(%d1-8 / %d11-12 / %d14-31 / %d127)
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//const QTEXT$$ = merge("[\\x21\\x23-\\x5B\\x5D-\\x7E]", OBS_QTEXT$$); //%d33 / %d35-91 / %d93-126 / obs-qtext
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//const VCHAR$$ = "[\\x21-\\x7E]";
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//const WSP$$ = "[\\x20\\x09]";
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//const OBS_QP$ = subexp("\\\\" + merge("[\\x00\\x0D\\x0A]", OBS_QTEXT$$)); //%d0 / CR / LF / obs-qtext
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//const FWS$ = subexp(subexp(WSP$$ + "*" + "\\x0D\\x0A") + "?" + WSP$$ + "+");
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//const QUOTED_PAIR$ = subexp(subexp("\\\\" + subexp(VCHAR$$ + "|" + WSP$$)) + "|" + OBS_QP$);
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//const QUOTED_STRING$ = subexp('\\"' + subexp(FWS$ + "?" + QCONTENT$) + "*" + FWS$ + "?" + '\\"');
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const ATEXT$$ = "[A-Za-z0-9\\!\\$\\%\\'\\*\\+\\-\\^\\_\\`\\{\\|\\}\\~]";
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const QTEXT$$ = "[\\!\\$\\%\\'\\(\\)\\*\\+\\,\\-\\.0-9\\<\\>A-Z\\x5E-\\x7E]";
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const VCHAR$$ = merge(QTEXT$$, "[\\\"\\\\]");
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const DOT_ATOM_TEXT$ = subexp(ATEXT$$ + "+" + subexp("\\." + ATEXT$$ + "+") + "*");
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const QUOTED_PAIR$ = subexp("\\\\" + VCHAR$$);
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const QCONTENT$ = subexp(QTEXT$$ + "|" + QUOTED_PAIR$);
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const QUOTED_STRING$ = subexp('\\"' + QCONTENT$ + "*" + '\\"');
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//RFC 6068
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const DTEXT_NO_OBS$$ = "[\\x21-\\x5A\\x5E-\\x7E]"; //%d33-90 / %d94-126
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const SOME_DELIMS$$ = "[\\!\\$\\'\\(\\)\\*\\+\\,\\;\\:\\@]";
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const QCHAR$ = subexp(UNRESERVED$$ + "|" + PCT_ENCODED$ + "|" + SOME_DELIMS$$);
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const DOMAIN$ = subexp(DOT_ATOM_TEXT$ + "|" + "\\[" + DTEXT_NO_OBS$$ + "*" + "\\]");
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const LOCAL_PART$ = subexp(DOT_ATOM_TEXT$ + "|" + QUOTED_STRING$);
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const ADDR_SPEC$ = subexp(LOCAL_PART$ + "\\@" + DOMAIN$);
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const TO$ = subexp(ADDR_SPEC$ + subexp("\\," + ADDR_SPEC$) + "*");
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const HFNAME$ = subexp(QCHAR$ + "*");
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const HFVALUE$ = HFNAME$;
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const HFIELD$ = subexp(HFNAME$ + "\\=" + HFVALUE$);
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const HFIELDS2$ = subexp(HFIELD$ + subexp("\\&" + HFIELD$) + "*");
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const HFIELDS$ = subexp("\\?" + HFIELDS2$);
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const MAILTO_URI = new RegExp("^mailto\\:" + TO$ + "?" + HFIELDS$ + "?$");
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const UNRESERVED = new RegExp(UNRESERVED$$, "g");
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const PCT_ENCODED = new RegExp(PCT_ENCODED$, "g");
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const NOT_LOCAL_PART = new RegExp(merge("[^]", ATEXT$$, "[\\.]", '[\\"]', VCHAR$$), "g");
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const NOT_DOMAIN = new RegExp(merge("[^]", ATEXT$$, "[\\.]", "[\\[]", DTEXT_NO_OBS$$, "[\\]]"), "g");
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const NOT_HFNAME = new RegExp(merge("[^]", UNRESERVED$$, SOME_DELIMS$$), "g");
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const NOT_HFVALUE = NOT_HFNAME;
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const TO = new RegExp("^" + TO$ + "$");
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const HFIELDS = new RegExp("^" + HFIELDS2$ + "$");
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function decodeUnreserved(str) {
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const decStr = pctDecChars(str);
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return (!decStr.match(UNRESERVED) ? str : decStr);
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}
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const handler = {
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scheme: "mailto",
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parse: function (components, options) {
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const mailtoComponents = components;
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const to = mailtoComponents.to = (mailtoComponents.path ? mailtoComponents.path.split(",") : []);
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mailtoComponents.path = undefined;
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if (mailtoComponents.query) {
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let unknownHeaders = false;
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const headers = {};
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const hfields = mailtoComponents.query.split("&");
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for (let x = 0, xl = hfields.length; x < xl; ++x) {
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const hfield = hfields[x].split("=");
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switch (hfield[0]) {
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case "to":
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const toAddrs = hfield[1].split(",");
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for (let x = 0, xl = toAddrs.length; x < xl; ++x) {
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to.push(toAddrs[x]);
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}
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break;
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case "subject":
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mailtoComponents.subject = unescapeComponent(hfield[1], options);
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break;
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case "body":
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mailtoComponents.body = unescapeComponent(hfield[1], options);
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break;
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default:
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unknownHeaders = true;
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headers[unescapeComponent(hfield[0], options)] = unescapeComponent(hfield[1], options);
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break;
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}
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}
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if (unknownHeaders)
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mailtoComponents.headers = headers;
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}
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mailtoComponents.query = undefined;
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for (let x = 0, xl = to.length; x < xl; ++x) {
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const addr = to[x].split("@");
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addr[0] = unescapeComponent(addr[0]);
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if (!options.unicodeSupport) {
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//convert Unicode IDN -> ASCII IDN
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try {
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addr[1] = punycode.toASCII(unescapeComponent(addr[1], options).toLowerCase());
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}
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catch (e) {
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mailtoComponents.error = mailtoComponents.error || "Email address's domain name can not be converted to ASCII via punycode: " + e;
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}
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}
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else {
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addr[1] = unescapeComponent(addr[1], options).toLowerCase();
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}
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to[x] = addr.join("@");
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}
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return mailtoComponents;
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},
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serialize: function (mailtoComponents, options) {
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const components = mailtoComponents;
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const to = toArray(mailtoComponents.to);
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if (to) {
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for (let x = 0, xl = to.length; x < xl; ++x) {
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const toAddr = String(to[x]);
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const atIdx = toAddr.lastIndexOf("@");
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const localPart = (toAddr.slice(0, atIdx)).replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_LOCAL_PART, pctEncChar);
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let domain = toAddr.slice(atIdx + 1);
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//convert IDN via punycode
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try {
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domain = (!options.iri ? punycode.toASCII(unescapeComponent(domain, options).toLowerCase()) : punycode.toUnicode(domain));
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}
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catch (e) {
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components.error = components.error || "Email address's domain name can not be converted to " + (!options.iri ? "ASCII" : "Unicode") + " via punycode: " + e;
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}
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to[x] = localPart + "@" + domain;
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}
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components.path = to.join(",");
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}
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const headers = mailtoComponents.headers = mailtoComponents.headers || {};
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if (mailtoComponents.subject)
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headers["subject"] = mailtoComponents.subject;
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if (mailtoComponents.body)
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headers["body"] = mailtoComponents.body;
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const fields = [];
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for (const name in headers) {
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if (headers[name] !== O[name]) {
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fields.push(name.replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFNAME, pctEncChar) +
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"=" +
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headers[name].replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFVALUE, pctEncChar));
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}
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}
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if (fields.length) {
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components.query = fields.join("&");
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}
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return components;
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}
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};
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export default handler;
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//# sourceMappingURL=mailto.js.map
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